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authorJérôme Schneider <jschneider@entrouvert.com>2015-03-27 17:15:46 (GMT)
committerJérôme Schneider <jschneider@entrouvert.com>2015-03-27 17:15:46 (GMT)
commitc47b99cede0c135ec4b190acebf6343edca1f944 (patch)
treef443556e57d020cc006689653e7a400a36374384 /inc/simplesamlphp/vendor
parent502161d955a871e812022a5a704c9d74d2434b39 (diff)
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simplesamlphp: update to 1.13.2
Diffstat (limited to 'inc/simplesamlphp/vendor')
-rw-r--r--inc/simplesamlphp/vendor/autoload.php7
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diff --git a/inc/simplesamlphp/vendor/autoload.php b/inc/simplesamlphp/vendor/autoload.php
new file mode 100644
index 0000000..548f798
--- /dev/null
+++ b/inc/simplesamlphp/vendor/autoload.php
@@ -0,0 +1,7 @@
+<?php
+
+// autoload.php @generated by Composer
+
+require_once __DIR__ . '/composer' . '/autoload_real.php';
+
+return ComposerAutoloaderInitc51d1a269dc0bf801361b22d46ca6214::getLoader();
diff --git a/inc/simplesamlphp/vendor/composer/ClassLoader.php b/inc/simplesamlphp/vendor/composer/ClassLoader.php
new file mode 100644
index 0000000..4433649
--- /dev/null
+++ b/inc/simplesamlphp/vendor/composer/ClassLoader.php
@@ -0,0 +1,383 @@
+<?php
+
+/*
+ * This file is part of Composer.
+ *
+ * (c) Nils Adermann <naderman@naderman.de>
+ * Jordi Boggiano <j.boggiano@seld.be>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Composer\Autoload;
+
+/**
+ * ClassLoader implements a PSR-0 class loader
+ *
+ * See https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-0.md
+ *
+ * $loader = new \Composer\Autoload\ClassLoader();
+ *
+ * // register classes with namespaces
+ * $loader->add('Symfony\Component', __DIR__.'/component');
+ * $loader->add('Symfony', __DIR__.'/framework');
+ *
+ * // activate the autoloader
+ * $loader->register();
+ *
+ * // to enable searching the include path (eg. for PEAR packages)
+ * $loader->setUseIncludePath(true);
+ *
+ * In this example, if you try to use a class in the Symfony\Component
+ * namespace or one of its children (Symfony\Component\Console for instance),
+ * the autoloader will first look for the class under the component/
+ * directory, and it will then fallback to the framework/ directory if not
+ * found before giving up.
+ *
+ * This class is loosely based on the Symfony UniversalClassLoader.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ * @author Jordi Boggiano <j.boggiano@seld.be>
+ */
+class ClassLoader
+{
+ // PSR-4
+ private $prefixLengthsPsr4 = array();
+ private $prefixDirsPsr4 = array();
+ private $fallbackDirsPsr4 = array();
+
+ // PSR-0
+ private $prefixesPsr0 = array();
+ private $fallbackDirsPsr0 = array();
+
+ private $useIncludePath = false;
+ private $classMap = array();
+
+ public function getPrefixes()
+ {
+ return call_user_func_array('array_merge', $this->prefixesPsr0);
+ }
+
+ public function getPrefixesPsr4()
+ {
+ return $this->prefixDirsPsr4;
+ }
+
+ public function getFallbackDirs()
+ {
+ return $this->fallbackDirsPsr0;
+ }
+
+ public function getFallbackDirsPsr4()
+ {
+ return $this->fallbackDirsPsr4;
+ }
+
+ public function getClassMap()
+ {
+ return $this->classMap;
+ }
+
+ /**
+ * @param array $classMap Class to filename map
+ */
+ public function addClassMap(array $classMap)
+ {
+ if ($this->classMap) {
+ $this->classMap = array_merge($this->classMap, $classMap);
+ } else {
+ $this->classMap = $classMap;
+ }
+ }
+
+ /**
+ * Registers a set of PSR-0 directories for a given prefix, either
+ * appending or prepending to the ones previously set for this prefix.
+ *
+ * @param string $prefix The prefix
+ * @param array|string $paths The PSR-0 root directories
+ * @param bool $prepend Whether to prepend the directories
+ */
+ public function add($prefix, $paths, $prepend = false)
+ {
+ if (!$prefix) {
+ if ($prepend) {
+ $this->fallbackDirsPsr0 = array_merge(
+ (array) $paths,
+ $this->fallbackDirsPsr0
+ );
+ } else {
+ $this->fallbackDirsPsr0 = array_merge(
+ $this->fallbackDirsPsr0,
+ (array) $paths
+ );
+ }
+
+ return;
+ }
+
+ $first = $prefix[0];
+ if (!isset($this->prefixesPsr0[$first][$prefix])) {
+ $this->prefixesPsr0[$first][$prefix] = (array) $paths;
+
+ return;
+ }
+ if ($prepend) {
+ $this->prefixesPsr0[$first][$prefix] = array_merge(
+ (array) $paths,
+ $this->prefixesPsr0[$first][$prefix]
+ );
+ } else {
+ $this->prefixesPsr0[$first][$prefix] = array_merge(
+ $this->prefixesPsr0[$first][$prefix],
+ (array) $paths
+ );
+ }
+ }
+
+ /**
+ * Registers a set of PSR-4 directories for a given namespace, either
+ * appending or prepending to the ones previously set for this namespace.
+ *
+ * @param string $prefix The prefix/namespace, with trailing '\\'
+ * @param array|string $paths The PSR-0 base directories
+ * @param bool $prepend Whether to prepend the directories
+ *
+ * @throws \InvalidArgumentException
+ */
+ public function addPsr4($prefix, $paths, $prepend = false)
+ {
+ if (!$prefix) {
+ // Register directories for the root namespace.
+ if ($prepend) {
+ $this->fallbackDirsPsr4 = array_merge(
+ (array) $paths,
+ $this->fallbackDirsPsr4
+ );
+ } else {
+ $this->fallbackDirsPsr4 = array_merge(
+ $this->fallbackDirsPsr4,
+ (array) $paths
+ );
+ }
+ } elseif (!isset($this->prefixDirsPsr4[$prefix])) {
+ // Register directories for a new namespace.
+ $length = strlen($prefix);
+ if ('\\' !== $prefix[$length - 1]) {
+ throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
+ }
+ $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
+ $this->prefixDirsPsr4[$prefix] = (array) $paths;
+ } elseif ($prepend) {
+ // Prepend directories for an already registered namespace.
+ $this->prefixDirsPsr4[$prefix] = array_merge(
+ (array) $paths,
+ $this->prefixDirsPsr4[$prefix]
+ );
+ } else {
+ // Append directories for an already registered namespace.
+ $this->prefixDirsPsr4[$prefix] = array_merge(
+ $this->prefixDirsPsr4[$prefix],
+ (array) $paths
+ );
+ }
+ }
+
+ /**
+ * Registers a set of PSR-0 directories for a given prefix,
+ * replacing any others previously set for this prefix.
+ *
+ * @param string $prefix The prefix
+ * @param array|string $paths The PSR-0 base directories
+ */
+ public function set($prefix, $paths)
+ {
+ if (!$prefix) {
+ $this->fallbackDirsPsr0 = (array) $paths;
+ } else {
+ $this->prefixesPsr0[$prefix[0]][$prefix] = (array) $paths;
+ }
+ }
+
+ /**
+ * Registers a set of PSR-4 directories for a given namespace,
+ * replacing any others previously set for this namespace.
+ *
+ * @param string $prefix The prefix/namespace, with trailing '\\'
+ * @param array|string $paths The PSR-4 base directories
+ *
+ * @throws \InvalidArgumentException
+ */
+ public function setPsr4($prefix, $paths)
+ {
+ if (!$prefix) {
+ $this->fallbackDirsPsr4 = (array) $paths;
+ } else {
+ $length = strlen($prefix);
+ if ('\\' !== $prefix[$length - 1]) {
+ throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
+ }
+ $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
+ $this->prefixDirsPsr4[$prefix] = (array) $paths;
+ }
+ }
+
+ /**
+ * Turns on searching the include path for class files.
+ *
+ * @param bool $useIncludePath
+ */
+ public function setUseIncludePath($useIncludePath)
+ {
+ $this->useIncludePath = $useIncludePath;
+ }
+
+ /**
+ * Can be used to check if the autoloader uses the include path to check
+ * for classes.
+ *
+ * @return bool
+ */
+ public function getUseIncludePath()
+ {
+ return $this->useIncludePath;
+ }
+
+ /**
+ * Registers this instance as an autoloader.
+ *
+ * @param bool $prepend Whether to prepend the autoloader or not
+ */
+ public function register($prepend = false)
+ {
+ spl_autoload_register(array($this, 'loadClass'), true, $prepend);
+ }
+
+ /**
+ * Unregisters this instance as an autoloader.
+ */
+ public function unregister()
+ {
+ spl_autoload_unregister(array($this, 'loadClass'));
+ }
+
+ /**
+ * Loads the given class or interface.
+ *
+ * @param string $class The name of the class
+ * @return bool|null True if loaded, null otherwise
+ */
+ public function loadClass($class)
+ {
+ if ($file = $this->findFile($class)) {
+ includeFile($file);
+
+ return true;
+ }
+ }
+
+ /**
+ * Finds the path to the file where the class is defined.
+ *
+ * @param string $class The name of the class
+ *
+ * @return string|false The path if found, false otherwise
+ */
+ public function findFile($class)
+ {
+ // work around for PHP 5.3.0 - 5.3.2 https://bugs.php.net/50731
+ if ('\\' == $class[0]) {
+ $class = substr($class, 1);
+ }
+
+ // class map lookup
+ if (isset($this->classMap[$class])) {
+ return $this->classMap[$class];
+ }
+
+ $file = $this->findFileWithExtension($class, '.php');
+
+ // Search for Hack files if we are running on HHVM
+ if ($file === null && defined('HHVM_VERSION')) {
+ $file = $this->findFileWithExtension($class, '.hh');
+ }
+
+ if ($file === null) {
+ // Remember that this class does not exist.
+ return $this->classMap[$class] = false;
+ }
+
+ return $file;
+ }
+
+ private function findFileWithExtension($class, $ext)
+ {
+ // PSR-4 lookup
+ $logicalPathPsr4 = strtr($class, '\\', DIRECTORY_SEPARATOR) . $ext;
+
+ $first = $class[0];
+ if (isset($this->prefixLengthsPsr4[$first])) {
+ foreach ($this->prefixLengthsPsr4[$first] as $prefix => $length) {
+ if (0 === strpos($class, $prefix)) {
+ foreach ($this->prefixDirsPsr4[$prefix] as $dir) {
+ if (file_exists($file = $dir . DIRECTORY_SEPARATOR . substr($logicalPathPsr4, $length))) {
+ return $file;
+ }
+ }
+ }
+ }
+ }
+
+ // PSR-4 fallback dirs
+ foreach ($this->fallbackDirsPsr4 as $dir) {
+ if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr4)) {
+ return $file;
+ }
+ }
+
+ // PSR-0 lookup
+ if (false !== $pos = strrpos($class, '\\')) {
+ // namespaced class name
+ $logicalPathPsr0 = substr($logicalPathPsr4, 0, $pos + 1)
+ . strtr(substr($logicalPathPsr4, $pos + 1), '_', DIRECTORY_SEPARATOR);
+ } else {
+ // PEAR-like class name
+ $logicalPathPsr0 = strtr($class, '_', DIRECTORY_SEPARATOR) . $ext;
+ }
+
+ if (isset($this->prefixesPsr0[$first])) {
+ foreach ($this->prefixesPsr0[$first] as $prefix => $dirs) {
+ if (0 === strpos($class, $prefix)) {
+ foreach ($dirs as $dir) {
+ if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr0)) {
+ return $file;
+ }
+ }
+ }
+ }
+ }
+
+ // PSR-0 fallback dirs
+ foreach ($this->fallbackDirsPsr0 as $dir) {
+ if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr0)) {
+ return $file;
+ }
+ }
+
+ // PSR-0 include paths.
+ if ($this->useIncludePath && $file = stream_resolve_include_path($logicalPathPsr0)) {
+ return $file;
+ }
+ }
+}
+
+/**
+ * Scope isolated include.
+ *
+ * Prevents access to $this/self from included files.
+ */
+function includeFile($file)
+{
+ include $file;
+}
diff --git a/inc/simplesamlphp/vendor/composer/autoload_classmap.php b/inc/simplesamlphp/vendor/composer/autoload_classmap.php
new file mode 100644
index 0000000..996149e
--- /dev/null
+++ b/inc/simplesamlphp/vendor/composer/autoload_classmap.php
@@ -0,0 +1,251 @@
+<?php
+
+// autoload_classmap.php @generated by Composer
+
+$vendorDir = dirname(dirname(__FILE__));
+$baseDir = dirname($vendorDir);
+
+return array(
+ 'Auth_OpenID' => $vendorDir . '/openid/php-openid/Auth/OpenID.php',
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+ 'Auth_OpenID_AX_AttrInfo' => $vendorDir . '/openid/php-openid/Auth/OpenID/AX.php',
+ 'Auth_OpenID_AX_Error' => $vendorDir . '/openid/php-openid/Auth/OpenID/AX.php',
+ 'Auth_OpenID_AX_FetchRequest' => $vendorDir . '/openid/php-openid/Auth/OpenID/AX.php',
+ 'Auth_OpenID_AX_FetchResponse' => $vendorDir . '/openid/php-openid/Auth/OpenID/AX.php',
+ 'Auth_OpenID_AX_KeyValueMessage' => $vendorDir . '/openid/php-openid/Auth/OpenID/AX.php',
+ 'Auth_OpenID_AX_Message' => $vendorDir . '/openid/php-openid/Auth/OpenID/AX.php',
+ 'Auth_OpenID_AX_StoreRequest' => $vendorDir . '/openid/php-openid/Auth/OpenID/AX.php',
+ 'Auth_OpenID_AX_StoreResponse' => $vendorDir . '/openid/php-openid/Auth/OpenID/AX.php',
+ 'Auth_OpenID_AlreadySigned' => $vendorDir . '/openid/php-openid/Auth/OpenID/Server.php',
+ 'Auth_OpenID_AssociateRequest' => $vendorDir . '/openid/php-openid/Auth/OpenID/Server.php',
+ 'Auth_OpenID_Association' => $vendorDir . '/openid/php-openid/Auth/OpenID/Association.php',
+ 'Auth_OpenID_AuthRequest' => $vendorDir . '/openid/php-openid/Auth/OpenID/Consumer.php',
+ 'Auth_OpenID_BcMathWrapper' => $vendorDir . '/openid/php-openid/Auth/OpenID/BigMath.php',
+ 'Auth_OpenID_CancelResponse' => $vendorDir . '/openid/php-openid/Auth/OpenID/Consumer.php',
+ 'Auth_OpenID_CheckAuthRequest' => $vendorDir . '/openid/php-openid/Auth/OpenID/Server.php',
+ 'Auth_OpenID_CheckIDRequest' => $vendorDir . '/openid/php-openid/Auth/OpenID/Server.php',
+ 'Auth_OpenID_Consumer' => $vendorDir . '/openid/php-openid/Auth/OpenID/Consumer.php',
+ 'Auth_OpenID_ConsumerResponse' => $vendorDir . '/openid/php-openid/Auth/OpenID/Consumer.php',
+ 'Auth_OpenID_CryptUtil' => $vendorDir . '/openid/php-openid/Auth/OpenID/CryptUtil.php',
+ 'Auth_OpenID_DatabaseConnection' => $vendorDir . '/openid/php-openid/Auth/OpenID/DatabaseConnection.php',
+ 'Auth_OpenID_Decoder' => $vendorDir . '/openid/php-openid/Auth/OpenID/Server.php',
+ 'Auth_OpenID_DiffieHellman' => $vendorDir . '/openid/php-openid/Auth/OpenID/DiffieHellman.php',
+ 'Auth_OpenID_DiffieHellmanSHA1ConsumerSession' => $vendorDir . '/openid/php-openid/Auth/OpenID/Consumer.php',
+ 'Auth_OpenID_DiffieHellmanSHA1ServerSession' => $vendorDir . '/openid/php-openid/Auth/OpenID/Server.php',
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+ 'Auth_OpenID_DiffieHellmanSHA256ServerSession' => $vendorDir . '/openid/php-openid/Auth/OpenID/Server.php',
+ 'Auth_OpenID_DumbStore' => $vendorDir . '/openid/php-openid/Auth/OpenID/DumbStore.php',
+ 'Auth_OpenID_Encoder' => $vendorDir . '/openid/php-openid/Auth/OpenID/Server.php',
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+ 'Auth_OpenID_Extension' => $vendorDir . '/openid/php-openid/Auth/OpenID/Extension.php',
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+ 'Auth_OpenID_FileStore' => $vendorDir . '/openid/php-openid/Auth/OpenID/FileStore.php',
+ 'Auth_OpenID_GenericConsumer' => $vendorDir . '/openid/php-openid/Auth/OpenID/Consumer.php',
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+ 'Auth_OpenID_MalformedReturnURL' => $vendorDir . '/openid/php-openid/Auth/OpenID/Server.php',
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+ 'Auth_OpenID_PredisStore' => $vendorDir . '/openid/php-openid/Auth/OpenID/PredisStore.php',
+ 'Auth_OpenID_Request' => $vendorDir . '/openid/php-openid/Auth/OpenID/Server.php',
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+ 'SAML2_XML_md_SSODescriptorType' => $vendorDir . '/simplesamlphp/saml2/src/SAML2/XML/md/SSODescriptorType.php',
+ 'SAML2_XML_md_UnknownRoleDescriptor' => $vendorDir . '/simplesamlphp/saml2/src/SAML2/XML/md/UnknownRoleDescriptor.php',
+ 'SAML2_XML_mdattr_EntityAttributes' => $vendorDir . '/simplesamlphp/saml2/src/SAML2/XML/mdattr/EntityAttributes.php',
+ 'SAML2_XML_mdrpi_Common' => $vendorDir . '/simplesamlphp/saml2/src/SAML2/XML/mdrpi/Common.php',
+ 'SAML2_XML_mdrpi_PublicationInfo' => $vendorDir . '/simplesamlphp/saml2/src/SAML2/XML/mdrpi/PublicationInfo.php',
+ 'SAML2_XML_mdrpi_RegistrationInfo' => $vendorDir . '/simplesamlphp/saml2/src/SAML2/XML/mdrpi/RegistrationInfo.php',
+ 'SAML2_XML_mdui_DiscoHints' => $vendorDir . '/simplesamlphp/saml2/src/SAML2/XML/mdui/DiscoHints.php',
+ 'SAML2_XML_mdui_Keywords' => $vendorDir . '/simplesamlphp/saml2/src/SAML2/XML/mdui/Keywords.php',
+ 'SAML2_XML_mdui_Logo' => $vendorDir . '/simplesamlphp/saml2/src/SAML2/XML/mdui/Logo.php',
+ 'SAML2_XML_mdui_UIInfo' => $vendorDir . '/simplesamlphp/saml2/src/SAML2/XML/mdui/UIInfo.php',
+ 'SAML2_XML_saml_Attribute' => $vendorDir . '/simplesamlphp/saml2/src/SAML2/XML/saml/Attribute.php',
+ 'SAML2_XML_saml_AttributeValue' => $vendorDir . '/simplesamlphp/saml2/src/SAML2/XML/saml/AttributeValue.php',
+ 'SAML2_XML_saml_NameID' => $vendorDir . '/simplesamlphp/saml2/src/SAML2/XML/saml/NameID.php',
+ 'SAML2_XML_saml_SubjectConfirmation' => $vendorDir . '/simplesamlphp/saml2/src/SAML2/XML/saml/SubjectConfirmation.php',
+ 'SAML2_XML_saml_SubjectConfirmationData' => $vendorDir . '/simplesamlphp/saml2/src/SAML2/XML/saml/SubjectConfirmationData.php',
+ 'SAML2_XML_samlp_Extensions' => $vendorDir . '/simplesamlphp/saml2/src/SAML2/XML/samlp/Extensions.php',
+ 'SAML2_XML_shibmd_Scope' => $vendorDir . '/simplesamlphp/saml2/src/SAML2/XML/shibmd/Scope.php',
+ 'SimpleSAML_AuthMemCookie' => $baseDir . '/lib/SimpleSAML/AuthMemCookie.php',
+ 'SimpleSAML_Auth_BWC' => $baseDir . '/lib/SimpleSAML/Auth/BWC.php',
+ 'SimpleSAML_Auth_Default' => $baseDir . '/lib/SimpleSAML/Auth/Default.php',
+ 'SimpleSAML_Auth_LDAP' => $baseDir . '/lib/SimpleSAML/Auth/LDAP.php',
+ 'SimpleSAML_Auth_ProcessingChain' => $baseDir . '/lib/SimpleSAML/Auth/ProcessingChain.php',
+ 'SimpleSAML_Auth_ProcessingFilter' => $baseDir . '/lib/SimpleSAML/Auth/ProcessingFilter.php',
+ 'SimpleSAML_Auth_Simple' => $baseDir . '/lib/SimpleSAML/Auth/Simple.php',
+ 'SimpleSAML_Auth_Source' => $baseDir . '/lib/SimpleSAML/Auth/Source.php',
+ 'SimpleSAML_Auth_State' => $baseDir . '/lib/SimpleSAML/Auth/State.php',
+ 'SimpleSAML_Auth_TimeLimitedToken' => $baseDir . '/lib/SimpleSAML/Auth/TimeLimitedToken.php',
+ 'SimpleSAML_Bindings_Shib13_Artifact' => $baseDir . '/lib/SimpleSAML/Bindings/Shib13/Artifact.php',
+ 'SimpleSAML_Bindings_Shib13_HTTPPost' => $baseDir . '/lib/SimpleSAML/Bindings/Shib13/HTTPPost.php',
+ 'SimpleSAML_Configuration' => $baseDir . '/lib/SimpleSAML/Configuration.php',
+ 'SimpleSAML_Error_Assertion' => $baseDir . '/lib/SimpleSAML/Error/Assertion.php',
+ 'SimpleSAML_Error_AuthSource' => $baseDir . '/lib/SimpleSAML/Error/AuthSource.php',
+ 'SimpleSAML_Error_BadRequest' => $baseDir . '/lib/SimpleSAML/Error/BadRequest.php',
+ 'SimpleSAML_Error_BadUserInnput' => $baseDir . '/lib/SimpleSAML/Error/BadUserInnput.php',
+ 'SimpleSAML_Error_Error' => $baseDir . '/lib/SimpleSAML/Error/Error.php',
+ 'SimpleSAML_Error_Exception' => $baseDir . '/lib/SimpleSAML/Error/Exception.php',
+ 'SimpleSAML_Error_InvalidCredential' => $baseDir . '/lib/SimpleSAML/Error/InvalidCredential.php',
+ 'SimpleSAML_Error_MetadataNotFound' => $baseDir . '/lib/SimpleSAML/Error/MetadataNotFound.php',
+ 'SimpleSAML_Error_NoPassive' => $baseDir . '/lib/SimpleSAML/Error/NoPassive.php',
+ 'SimpleSAML_Error_NoState' => $baseDir . '/lib/SimpleSAML/Error/NoState.php',
+ 'SimpleSAML_Error_NotFound' => $baseDir . '/lib/SimpleSAML/Error/NotFound.php',
+ 'SimpleSAML_Error_ProxyCountExceeded' => $baseDir . '/lib/SimpleSAML/Error/ProxyCountExceeded.php',
+ 'SimpleSAML_Error_UnserializableException' => $baseDir . '/lib/SimpleSAML/Error/UnserializableException.php',
+ 'SimpleSAML_Error_User' => $baseDir . '/lib/SimpleSAML/Error/User.php',
+ 'SimpleSAML_Error_UserAborted' => $baseDir . '/lib/SimpleSAML/Error/UserAborted.php',
+ 'SimpleSAML_Error_UserNotFound' => $baseDir . '/lib/SimpleSAML/Error/UserNotFound.php',
+ 'SimpleSAML_IdP' => $baseDir . '/lib/SimpleSAML/IdP.php',
+ 'SimpleSAML_IdP_LogoutHandler' => $baseDir . '/lib/SimpleSAML/IdP/LogoutHandler.php',
+ 'SimpleSAML_IdP_LogoutIFrame' => $baseDir . '/lib/SimpleSAML/IdP/LogoutIFrame.php',
+ 'SimpleSAML_IdP_LogoutTraditional' => $baseDir . '/lib/SimpleSAML/IdP/LogoutTraditional.php',
+ 'SimpleSAML_Logger' => $baseDir . '/lib/SimpleSAML/Logger.php',
+ 'SimpleSAML_Logger_LoggingHandler' => $baseDir . '/lib/SimpleSAML/Logger/LoggingHandler.php',
+ 'SimpleSAML_Logger_LoggingHandlerErrorLog' => $baseDir . '/lib/SimpleSAML/Logger/LoggingHandlerErrorLog.php',
+ 'SimpleSAML_Logger_LoggingHandlerFile' => $baseDir . '/lib/SimpleSAML/Logger/LoggingHandlerFile.php',
+ 'SimpleSAML_Logger_LoggingHandlerSyslog' => $baseDir . '/lib/SimpleSAML/Logger/LoggingHandlerSyslog.php',
+ 'SimpleSAML_Memcache' => $baseDir . '/lib/SimpleSAML/Memcache.php',
+ 'SimpleSAML_MemcacheStore' => $baseDir . '/lib/SimpleSAML/MemcacheStore.php',
+ 'SimpleSAML_Metadata_MetaDataStorageHandler' => $baseDir . '/lib/SimpleSAML/Metadata/MetaDataStorageHandler.php',
+ 'SimpleSAML_Metadata_MetaDataStorageHandlerDynamicXML' => $baseDir . '/lib/SimpleSAML/Metadata/MetaDataStorageHandlerDynamicXML.php',
+ 'SimpleSAML_Metadata_MetaDataStorageHandlerFlatFile' => $baseDir . '/lib/SimpleSAML/Metadata/MetaDataStorageHandlerFlatFile.php',
+ 'SimpleSAML_Metadata_MetaDataStorageHandlerSerialize' => $baseDir . '/lib/SimpleSAML/Metadata/MetaDataStorageHandlerSerialize.php',
+ 'SimpleSAML_Metadata_MetaDataStorageHandlerXML' => $baseDir . '/lib/SimpleSAML/Metadata/MetaDataStorageHandlerXML.php',
+ 'SimpleSAML_Metadata_MetaDataStorageSource' => $baseDir . '/lib/SimpleSAML/Metadata/MetaDataStorageSource.php',
+ 'SimpleSAML_Metadata_SAMLBuilder' => $baseDir . '/lib/SimpleSAML/Metadata/SAMLBuilder.php',
+ 'SimpleSAML_Metadata_SAMLParser' => $baseDir . '/lib/SimpleSAML/Metadata/SAMLParser.php',
+ 'SimpleSAML_Metadata_Signer' => $baseDir . '/lib/SimpleSAML/Metadata/Signer.php',
+ 'SimpleSAML_Module' => $baseDir . '/lib/SimpleSAML/Module.php',
+ 'SimpleSAML_Session' => $baseDir . '/lib/SimpleSAML/Session.php',
+ 'SimpleSAML_SessionHandler' => $baseDir . '/lib/SimpleSAML/SessionHandler.php',
+ 'SimpleSAML_SessionHandlerCookie' => $baseDir . '/lib/SimpleSAML/SessionHandlerCookie.php',
+ 'SimpleSAML_SessionHandlerPHP' => $baseDir . '/lib/SimpleSAML/SessionHandlerPHP.php',
+ 'SimpleSAML_SessionHandlerStore' => $baseDir . '/lib/SimpleSAML/SessionHandlerStore.php',
+ 'SimpleSAML_Stats' => $baseDir . '/lib/SimpleSAML/Stats.php',
+ 'SimpleSAML_Stats_Output' => $baseDir . '/lib/SimpleSAML/Stats/Output.php',
+ 'SimpleSAML_Store' => $baseDir . '/lib/SimpleSAML/Store.php',
+ 'SimpleSAML_Store_Memcache' => $baseDir . '/lib/SimpleSAML/Store/Memcache.php',
+ 'SimpleSAML_Store_SQL' => $baseDir . '/lib/SimpleSAML/Store/SQL.php',
+ 'SimpleSAML_Utilities' => $baseDir . '/lib/SimpleSAML/Utilities.php',
+ 'SimpleSAML_Utils_Crypto' => $baseDir . '/lib/SimpleSAML/Utils/Crypto.php',
+ 'SimpleSAML_XHTML_EMail' => $baseDir . '/lib/SimpleSAML/XHTML/EMail.php',
+ 'SimpleSAML_XHTML_IdPDisco' => $baseDir . '/lib/SimpleSAML/XHTML/IdPDisco.php',
+ 'SimpleSAML_XHTML_Template' => $baseDir . '/lib/SimpleSAML/XHTML/Template.php',
+ 'SimpleSAML_XML_Errors' => $baseDir . '/lib/SimpleSAML/XML/Errors.php',
+ 'SimpleSAML_XML_Parser' => $baseDir . '/lib/SimpleSAML/XML/Parser.php',
+ 'SimpleSAML_XML_Shib13_AuthnRequest' => $baseDir . '/lib/SimpleSAML/XML/Shib13/AuthnRequest.php',
+ 'SimpleSAML_XML_Shib13_AuthnResponse' => $baseDir . '/lib/SimpleSAML/XML/Shib13/AuthnResponse.php',
+ 'SimpleSAML_XML_Signer' => $baseDir . '/lib/SimpleSAML/XML/Signer.php',
+ 'SimpleSAML_XML_Validator' => $baseDir . '/lib/SimpleSAML/XML/Validator.php',
+);
diff --git a/inc/simplesamlphp/vendor/composer/autoload_files.php b/inc/simplesamlphp/vendor/composer/autoload_files.php
new file mode 100644
index 0000000..03adddf
--- /dev/null
+++ b/inc/simplesamlphp/vendor/composer/autoload_files.php
@@ -0,0 +1,11 @@
+<?php
+
+// autoload_files.php @generated by Composer
+
+$vendorDir = dirname(dirname(__FILE__));
+$baseDir = dirname($vendorDir);
+
+return array(
+ $vendorDir . '/simplesamlphp/xmlseclibs/xmlseclibs.php',
+ $baseDir . '/lib/_autoload_modules.php',
+);
diff --git a/inc/simplesamlphp/vendor/composer/autoload_namespaces.php b/inc/simplesamlphp/vendor/composer/autoload_namespaces.php
new file mode 100644
index 0000000..e68bde8
--- /dev/null
+++ b/inc/simplesamlphp/vendor/composer/autoload_namespaces.php
@@ -0,0 +1,12 @@
+<?php
+
+// autoload_namespaces.php @generated by Composer
+
+$vendorDir = dirname(dirname(__FILE__));
+$baseDir = dirname($vendorDir);
+
+return array(
+ 'SimpleSAML_' => array($baseDir . '/lib'),
+ 'SAML2_' => array($vendorDir . '/simplesamlphp/saml2/src'),
+ 'Psr\\Log\\' => array($vendorDir . '/psr/log'),
+);
diff --git a/inc/simplesamlphp/vendor/composer/autoload_psr4.php b/inc/simplesamlphp/vendor/composer/autoload_psr4.php
new file mode 100644
index 0000000..b265c64
--- /dev/null
+++ b/inc/simplesamlphp/vendor/composer/autoload_psr4.php
@@ -0,0 +1,9 @@
+<?php
+
+// autoload_psr4.php @generated by Composer
+
+$vendorDir = dirname(dirname(__FILE__));
+$baseDir = dirname($vendorDir);
+
+return array(
+);
diff --git a/inc/simplesamlphp/vendor/composer/autoload_real.php b/inc/simplesamlphp/vendor/composer/autoload_real.php
new file mode 100644
index 0000000..a2d9b2a
--- /dev/null
+++ b/inc/simplesamlphp/vendor/composer/autoload_real.php
@@ -0,0 +1,59 @@
+<?php
+
+// autoload_real.php @generated by Composer
+
+class ComposerAutoloaderInitc51d1a269dc0bf801361b22d46ca6214
+{
+ private static $loader;
+
+ public static function loadClassLoader($class)
+ {
+ if ('Composer\Autoload\ClassLoader' === $class) {
+ require __DIR__ . '/ClassLoader.php';
+ }
+ }
+
+ public static function getLoader()
+ {
+ if (null !== self::$loader) {
+ return self::$loader;
+ }
+
+ spl_autoload_register(array('ComposerAutoloaderInitc51d1a269dc0bf801361b22d46ca6214', 'loadClassLoader'), true, true);
+ self::$loader = $loader = new \Composer\Autoload\ClassLoader();
+ spl_autoload_unregister(array('ComposerAutoloaderInitc51d1a269dc0bf801361b22d46ca6214', 'loadClassLoader'));
+
+ $includePaths = require __DIR__ . '/include_paths.php';
+ array_push($includePaths, get_include_path());
+ set_include_path(join(PATH_SEPARATOR, $includePaths));
+
+ $map = require __DIR__ . '/autoload_namespaces.php';
+ foreach ($map as $namespace => $path) {
+ $loader->set($namespace, $path);
+ }
+
+ $map = require __DIR__ . '/autoload_psr4.php';
+ foreach ($map as $namespace => $path) {
+ $loader->setPsr4($namespace, $path);
+ }
+
+ $classMap = require __DIR__ . '/autoload_classmap.php';
+ if ($classMap) {
+ $loader->addClassMap($classMap);
+ }
+
+ $loader->register(true);
+
+ $includeFiles = require __DIR__ . '/autoload_files.php';
+ foreach ($includeFiles as $file) {
+ composerRequirec51d1a269dc0bf801361b22d46ca6214($file);
+ }
+
+ return $loader;
+ }
+}
+
+function composerRequirec51d1a269dc0bf801361b22d46ca6214($file)
+{
+ require $file;
+}
diff --git a/inc/simplesamlphp/vendor/composer/include_paths.php b/inc/simplesamlphp/vendor/composer/include_paths.php
new file mode 100644
index 0000000..2287c23
--- /dev/null
+++ b/inc/simplesamlphp/vendor/composer/include_paths.php
@@ -0,0 +1,10 @@
+<?php
+
+// include_paths.php @generated by Composer
+
+$vendorDir = dirname(dirname(__FILE__));
+$baseDir = dirname($vendorDir);
+
+return array(
+ $vendorDir . '/openid/php-openid',
+);
diff --git a/inc/simplesamlphp/vendor/composer/installed.json b/inc/simplesamlphp/vendor/composer/installed.json
new file mode 100644
index 0000000..b734f0e
--- /dev/null
+++ b/inc/simplesamlphp/vendor/composer/installed.json
@@ -0,0 +1,196 @@
+[
+ {
+ "name": "openid/php-openid",
+ "version": "dev-master",
+ "version_normalized": "9999999-dev",
+ "source": {
+ "type": "git",
+ "url": "https://github.com/openid/php-openid.git",
+ "reference": "ee669c6a9d4d95b58ecd9b6945627276807694fb"
+ },
+ "dist": {
+ "type": "zip",
+ "url": "https://api.github.com/repos/openid/php-openid/zipball/fff9217fb1acda132702730b66b10981ea9d4cac",
+ "reference": "ee669c6a9d4d95b58ecd9b6945627276807694fb",
+ "shasum": ""
+ },
+ "require": {
+ "ext-curl": "*",
+ "ext-dom": "*",
+ "ext-gmp": "*",
+ "php": ">=4.3"
+ },
+ "time": "2013-10-03 21:21:20",
+ "type": "library",
+ "installation-source": "dist",
+ "autoload": {
+ "classmap": [
+ "Auth"
+ ]
+ },
+ "notification-url": "https://packagist.org/downloads/",
+ "include-path": [
+ "."
+ ],
+ "license": [
+ "Apache-2.0"
+ ],
+ "authors": [
+ {
+ "name": "JanRain Inc.",
+ "homepage": "http://www.openidenabled.com"
+ }
+ ],
+ "description": "OpenID library for PHP5",
+ "homepage": "http://github.com/openid/php-openid",
+ "keywords": [
+ "Authentication",
+ "OpenId",
+ "auth",
+ "yadis"
+ ]
+ },
+ {
+ "name": "simplesamlphp/xmlseclibs",
+ "version": "v1.3.2",
+ "version_normalized": "1.3.2.0",
+ "source": {
+ "type": "git",
+ "url": "https://github.com/simplesamlphp/xmlseclibs.git",
+ "reference": "734e80899ade295b979de08553161cad63c2dd98"
+ },
+ "dist": {
+ "type": "zip",
+ "url": "https://api.github.com/repos/simplesamlphp/xmlseclibs/zipball/734e80899ade295b979de08553161cad63c2dd98",
+ "reference": "734e80899ade295b979de08553161cad63c2dd98",
+ "shasum": ""
+ },
+ "replace": {
+ "cdatazone/xmlseclibs": "self.version",
+ "fr3d/xmlseclibs": "self.version",
+ "robrichards/xmlseclibs": "self.version"
+ },
+ "suggest": {
+ "ext/mcrypt": "",
+ "ext/openssl": ""
+ },
+ "time": "2013-06-19 00:00:00",
+ "type": "library",
+ "installation-source": "dist",
+ "autoload": {
+ "files": [
+ "xmlseclibs.php"
+ ]
+ },
+ "notification-url": "https://packagist.org/downloads/",
+ "license": [
+ "BSD-3-Clause"
+ ],
+ "authors": [
+ {
+ "name": "Rob Richards"
+ }
+ ],
+ "description": "A PHP library for XML Security",
+ "homepage": "http://code.google.com/p/xmlseclibs/",
+ "keywords": [
+ "certificate",
+ "security",
+ "signature",
+ "signing",
+ "x.509",
+ "xml",
+ "xmlsec"
+ ]
+ },
+ {
+ "name": "psr/log",
+ "version": "1.0.0",
+ "version_normalized": "1.0.0.0",
+ "source": {
+ "type": "git",
+ "url": "https://github.com/php-fig/log.git",
+ "reference": "fe0936ee26643249e916849d48e3a51d5f5e278b"
+ },
+ "dist": {
+ "type": "zip",
+ "url": "https://api.github.com/repos/php-fig/log/zipball/fe0936ee26643249e916849d48e3a51d5f5e278b",
+ "reference": "fe0936ee26643249e916849d48e3a51d5f5e278b",
+ "shasum": ""
+ },
+ "time": "2012-12-21 11:40:51",
+ "type": "library",
+ "installation-source": "dist",
+ "autoload": {
+ "psr-0": {
+ "Psr\\Log\\": ""
+ }
+ },
+ "notification-url": "https://packagist.org/downloads/",
+ "license": [
+ "MIT"
+ ],
+ "authors": [
+ {
+ "name": "PHP-FIG",
+ "homepage": "http://www.php-fig.org/"
+ }
+ ],
+ "description": "Common interface for logging libraries",
+ "keywords": [
+ "log",
+ "psr",
+ "psr-3"
+ ]
+ },
+ {
+ "name": "simplesamlphp/saml2",
+ "version": "v0.5.0",
+ "version_normalized": "0.5.0.0",
+ "source": {
+ "type": "git",
+ "url": "https://github.com/simplesamlphp/saml2.git",
+ "reference": "497152245ec73c3f96c84306dcddf850017b84a8"
+ },
+ "dist": {
+ "type": "zip",
+ "url": "https://api.github.com/repos/simplesamlphp/saml2/zipball/497152245ec73c3f96c84306dcddf850017b84a8",
+ "reference": "497152245ec73c3f96c84306dcddf850017b84a8",
+ "shasum": ""
+ },
+ "require": {
+ "ext-dom": "*",
+ "ext-mcrypt": "*",
+ "ext-openssl": "*",
+ "php": ">=5.3.3",
+ "psr/log": "1.0.0",
+ "simplesamlphp/xmlseclibs": "~1.3.1"
+ },
+ "require-dev": {
+ "phpmd/phpmd": "~1.5",
+ "phpunit/phpunit": "~3.7",
+ "sebastian/phpcpd": "~1.4",
+ "sensiolabs/security-checker": "~1.1",
+ "squizlabs/php_codesniffer": "~1.4"
+ },
+ "time": "2014-10-07 13:40:34",
+ "type": "library",
+ "installation-source": "dist",
+ "autoload": {
+ "psr-0": {
+ "SAML2_": "src/"
+ }
+ },
+ "notification-url": "https://packagist.org/downloads/",
+ "license": [
+ "LGPL-2.1"
+ ],
+ "authors": [
+ {
+ "name": "Andreas Åkre Solberg",
+ "email": "andreas.solberg@uninett.no"
+ }
+ ],
+ "description": "SAML2 PHP library from SimpleSAMLphp"
+ }
+]
diff --git a/inc/simplesamlphp/vendor/openid/php-openid/.gitignore b/inc/simplesamlphp/vendor/openid/php-openid/.gitignore
new file mode 100644
index 0000000..22d0d82
--- /dev/null
+++ b/inc/simplesamlphp/vendor/openid/php-openid/.gitignore
@@ -0,0 +1 @@
+vendor
diff --git a/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID.php b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID.php
new file mode 100644
index 0000000..c9d9779
--- /dev/null
+++ b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID.php
@@ -0,0 +1,563 @@
+<?php
+
+/**
+ * This is the PHP OpenID library by JanRain, Inc.
+ *
+ * This module contains core utility functionality used by the
+ * library. See Consumer.php and Server.php for the consumer and
+ * server implementations.
+ *
+ * PHP versions 4 and 5
+ *
+ * LICENSE: See the COPYING file included in this distribution.
+ *
+ * @package OpenID
+ * @author JanRain, Inc. <openid@janrain.com>
+ * @copyright 2005-2008 Janrain, Inc.
+ * @license http://www.apache.org/licenses/LICENSE-2.0 Apache
+ */
+
+/**
+ * The library version string
+ */
+define('Auth_OpenID_VERSION', '2.2.2');
+
+/**
+ * Require the fetcher code.
+ */
+require_once "Auth/Yadis/PlainHTTPFetcher.php";
+require_once "Auth/Yadis/ParanoidHTTPFetcher.php";
+require_once "Auth/OpenID/BigMath.php";
+require_once "Auth/OpenID/URINorm.php";
+
+/**
+ * Status code returned by the server when the only option is to show
+ * an error page, since we do not have enough information to redirect
+ * back to the consumer. The associated value is an error message that
+ * should be displayed on an HTML error page.
+ *
+ * @see Auth_OpenID_Server
+ */
+define('Auth_OpenID_LOCAL_ERROR', 'local_error');
+
+/**
+ * Status code returned when there is an error to return in key-value
+ * form to the consumer. The caller should return a 400 Bad Request
+ * response with content-type text/plain and the value as the body.
+ *
+ * @see Auth_OpenID_Server
+ */
+define('Auth_OpenID_REMOTE_ERROR', 'remote_error');
+
+/**
+ * Status code returned when there is a key-value form OK response to
+ * the consumer. The value associated with this code is the
+ * response. The caller should return a 200 OK response with
+ * content-type text/plain and the value as the body.
+ *
+ * @see Auth_OpenID_Server
+ */
+define('Auth_OpenID_REMOTE_OK', 'remote_ok');
+
+/**
+ * Status code returned when there is a redirect back to the
+ * consumer. The value is the URL to redirect back to. The caller
+ * should return a 302 Found redirect with a Location: header
+ * containing the URL.
+ *
+ * @see Auth_OpenID_Server
+ */
+define('Auth_OpenID_REDIRECT', 'redirect');
+
+/**
+ * Status code returned when the caller needs to authenticate the
+ * user. The associated value is a {@link Auth_OpenID_ServerRequest}
+ * object that can be used to complete the authentication. If the user
+ * has taken some authentication action, use the retry() method of the
+ * {@link Auth_OpenID_ServerRequest} object to complete the request.
+ *
+ * @see Auth_OpenID_Server
+ */
+define('Auth_OpenID_DO_AUTH', 'do_auth');
+
+/**
+ * Status code returned when there were no OpenID arguments
+ * passed. This code indicates that the caller should return a 200 OK
+ * response and display an HTML page that says that this is an OpenID
+ * server endpoint.
+ *
+ * @see Auth_OpenID_Server
+ */
+define('Auth_OpenID_DO_ABOUT', 'do_about');
+
+/**
+ * Defines for regexes and format checking.
+ */
+define('Auth_OpenID_letters',
+ "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ");
+
+define('Auth_OpenID_digits',
+ "0123456789");
+
+define('Auth_OpenID_punct',
+ "!\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~");
+
+Auth_OpenID_include_init();
+
+/**
+ * The OpenID utility function class.
+ *
+ * @package OpenID
+ * @access private
+ */
+class Auth_OpenID {
+
+ /**
+ * Return true if $thing is an Auth_OpenID_FailureResponse object;
+ * false if not.
+ *
+ * @access private
+ */
+ static function isFailure($thing)
+ {
+ return is_a($thing, 'Auth_OpenID_FailureResponse');
+ }
+
+ /**
+ * Gets the query data from the server environment based on the
+ * request method used. If GET was used, this looks at
+ * $_SERVER['QUERY_STRING'] directly. If POST was used, this
+ * fetches data from the special php://input file stream.
+ *
+ * Returns an associative array of the query arguments.
+ *
+ * Skips invalid key/value pairs (i.e. keys with no '=value'
+ * portion).
+ *
+ * Returns an empty array if neither GET nor POST was used, or if
+ * POST was used but php://input cannot be opened.
+ *
+ * See background:
+ * http://lists.openidenabled.com/pipermail/dev/2007-March/000395.html
+ *
+ * @access private
+ */
+ static function getQuery($query_str=null)
+ {
+ $data = array();
+
+ if ($query_str !== null) {
+ $data = Auth_OpenID::params_from_string($query_str);
+ } else if (!array_key_exists('REQUEST_METHOD', $_SERVER)) {
+ // Do nothing.
+ } else {
+ // XXX HACK FIXME HORRIBLE.
+ //
+ // POSTing to a URL with query parameters is acceptable, but
+ // we don't have a clean way to distinguish those parameters
+ // when we need to do things like return_to verification
+ // which only want to look at one kind of parameter. We're
+ // going to emulate the behavior of some other environments
+ // by defaulting to GET and overwriting with POST if POST
+ // data is available.
+ $data = Auth_OpenID::params_from_string($_SERVER['QUERY_STRING']);
+
+ if ($_SERVER['REQUEST_METHOD'] == 'POST') {
+ $str = file_get_contents('php://input');
+
+ if ($str === false) {
+ $post = array();
+ } else {
+ $post = Auth_OpenID::params_from_string($str);
+ }
+
+ $data = array_merge($data, $post);
+ }
+ }
+
+ return $data;
+ }
+
+ static function params_from_string($str)
+ {
+ $chunks = explode("&", $str);
+
+ $data = array();
+ foreach ($chunks as $chunk) {
+ $parts = explode("=", $chunk, 2);
+
+ if (count($parts) != 2) {
+ continue;
+ }
+
+ list($k, $v) = $parts;
+ $data[urldecode($k)] = urldecode($v);
+ }
+
+ return $data;
+ }
+
+ /**
+ * Create dir_name as a directory if it does not exist. If it
+ * exists, make sure that it is, in fact, a directory. Returns
+ * true if the operation succeeded; false if not.
+ *
+ * @access private
+ */
+ static function ensureDir($dir_name)
+ {
+ if (is_dir($dir_name) || @mkdir($dir_name)) {
+ return true;
+ } else {
+ $parent_dir = dirname($dir_name);
+
+ // Terminal case; there is no parent directory to create.
+ if ($parent_dir == $dir_name) {
+ return true;
+ }
+
+ return (Auth_OpenID::ensureDir($parent_dir) && @mkdir($dir_name));
+ }
+ }
+
+ /**
+ * Adds a string prefix to all values of an array. Returns a new
+ * array containing the prefixed values.
+ *
+ * @access private
+ */
+ static function addPrefix($values, $prefix)
+ {
+ $new_values = array();
+ foreach ($values as $s) {
+ $new_values[] = $prefix . $s;
+ }
+ return $new_values;
+ }
+
+ /**
+ * Convenience function for getting array values. Given an array
+ * $arr and a key $key, get the corresponding value from the array
+ * or return $default if the key is absent.
+ *
+ * @access private
+ */
+ static function arrayGet($arr, $key, $fallback = null)
+ {
+ if (is_array($arr)) {
+ if (array_key_exists($key, $arr)) {
+ return $arr[$key];
+ } else {
+ return $fallback;
+ }
+ } else {
+ trigger_error("Auth_OpenID::arrayGet (key = ".$key.") expected " .
+ "array as first parameter, got " .
+ gettype($arr), E_USER_WARNING);
+
+ return false;
+ }
+ }
+
+ /**
+ * Replacement for PHP's broken parse_str.
+ */
+ static function parse_str($query)
+ {
+ if ($query === null) {
+ return null;
+ }
+
+ $parts = explode('&', $query);
+
+ $new_parts = array();
+ for ($i = 0; $i < count($parts); $i++) {
+ $pair = explode('=', $parts[$i]);
+
+ if (count($pair) != 2) {
+ continue;
+ }
+
+ list($key, $value) = $pair;
+ $new_parts[urldecode($key)] = urldecode($value);
+ }
+
+ return $new_parts;
+ }
+
+ /**
+ * Implements the PHP 5 'http_build_query' functionality.
+ *
+ * @access private
+ * @param array $data Either an array key/value pairs or an array
+ * of arrays, each of which holding two values: a key and a value,
+ * sequentially.
+ * @return string $result The result of url-encoding the key/value
+ * pairs from $data into a URL query string
+ * (e.g. "username=bob&id=56").
+ */
+ static function httpBuildQuery($data)
+ {
+ $pairs = array();
+ foreach ($data as $key => $value) {
+ if (is_array($value)) {
+ $pairs[] = urlencode($value[0])."=".urlencode($value[1]);
+ } else {
+ $pairs[] = urlencode($key)."=".urlencode($value);
+ }
+ }
+ return implode("&", $pairs);
+ }
+
+ /**
+ * "Appends" query arguments onto a URL. The URL may or may not
+ * already have arguments (following a question mark).
+ *
+ * @access private
+ * @param string $url A URL, which may or may not already have
+ * arguments.
+ * @param array $args Either an array key/value pairs or an array of
+ * arrays, each of which holding two values: a key and a value,
+ * sequentially. If $args is an ordinary key/value array, the
+ * parameters will be added to the URL in sorted alphabetical order;
+ * if $args is an array of arrays, their order will be preserved.
+ * @return string $url The original URL with the new parameters added.
+ *
+ */
+ static function appendArgs($url, $args)
+ {
+ if (count($args) == 0) {
+ return $url;
+ }
+
+ // Non-empty array; if it is an array of arrays, use
+ // multisort; otherwise use sort.
+ if (array_key_exists(0, $args) &&
+ is_array($args[0])) {
+ // Do nothing here.
+ } else {
+ $keys = array_keys($args);
+ sort($keys);
+ $new_args = array();
+ foreach ($keys as $key) {
+ $new_args[] = array($key, $args[$key]);
+ }
+ $args = $new_args;
+ }
+
+ $sep = '?';
+ if (strpos($url, '?') !== false) {
+ $sep = '&';
+ }
+
+ return $url . $sep . Auth_OpenID::httpBuildQuery($args);
+ }
+
+ /**
+ * Implements python's urlunparse, which is not available in PHP.
+ * Given the specified components of a URL, this function rebuilds
+ * and returns the URL.
+ *
+ * @access private
+ * @param string $scheme The scheme (e.g. 'http'). Defaults to 'http'.
+ * @param string $host The host. Required.
+ * @param string $port The port.
+ * @param string $path The path.
+ * @param string $query The query.
+ * @param string $fragment The fragment.
+ * @return string $url The URL resulting from assembling the
+ * specified components.
+ */
+ static function urlunparse($scheme, $host, $port = null, $path = '/',
+ $query = '', $fragment = '')
+ {
+
+ if (!$scheme) {
+ $scheme = 'http';
+ }
+
+ if (!$host) {
+ return false;
+ }
+
+ if (!$path) {
+ $path = '';
+ }
+
+ $result = $scheme . "://" . $host;
+
+ if ($port) {
+ $result .= ":" . $port;
+ }
+
+ $result .= $path;
+
+ if ($query) {
+ $result .= "?" . $query;
+ }
+
+ if ($fragment) {
+ $result .= "#" . $fragment;
+ }
+
+ return $result;
+ }
+
+ /**
+ * Given a URL, this "normalizes" it by adding a trailing slash
+ * and / or a leading http:// scheme where necessary. Returns
+ * null if the original URL is malformed and cannot be normalized.
+ *
+ * @access private
+ * @param string $url The URL to be normalized.
+ * @return mixed $new_url The URL after normalization, or null if
+ * $url was malformed.
+ */
+ static function normalizeUrl($url)
+ {
+ @$parsed = parse_url($url);
+
+ if (!$parsed) {
+ return null;
+ }
+
+ if (isset($parsed['scheme']) &&
+ isset($parsed['host'])) {
+ $scheme = strtolower($parsed['scheme']);
+ if (!in_array($scheme, array('http', 'https'))) {
+ return null;
+ }
+ } else {
+ $url = 'http://' . $url;
+ }
+
+ $normalized = Auth_OpenID_urinorm($url);
+ if ($normalized === null) {
+ return null;
+ }
+ list($defragged, $frag) = Auth_OpenID::urldefrag($normalized);
+ return $defragged;
+ }
+
+ /**
+ * Replacement (wrapper) for PHP's intval() because it's broken.
+ *
+ * @access private
+ */
+ static function intval($value)
+ {
+ $re = "/^\\d+$/";
+
+ if (!preg_match($re, $value)) {
+ return false;
+ }
+
+ return intval($value);
+ }
+
+ /**
+ * Count the number of bytes in a string independently of
+ * multibyte support conditions.
+ *
+ * @param string $str The string of bytes to count.
+ * @return int The number of bytes in $str.
+ */
+ static function bytes($str)
+ {
+ return strlen(bin2hex($str)) / 2;
+ }
+
+ /**
+ * Get the bytes in a string independently of multibyte support
+ * conditions.
+ */
+ static function toBytes($str)
+ {
+ $hex = bin2hex($str);
+
+ if (!$hex) {
+ return array();
+ }
+
+ $b = array();
+ for ($i = 0; $i < strlen($hex); $i += 2) {
+ $b[] = chr(base_convert(substr($hex, $i, 2), 16, 10));
+ }
+
+ return $b;
+ }
+
+ static function urldefrag($url)
+ {
+ $parts = explode("#", $url, 2);
+
+ if (count($parts) == 1) {
+ return array($parts[0], "");
+ } else {
+ return $parts;
+ }
+ }
+
+ static function filter($callback, &$sequence)
+ {
+ $result = array();
+
+ foreach ($sequence as $item) {
+ if (call_user_func_array($callback, array($item))) {
+ $result[] = $item;
+ }
+ }
+
+ return $result;
+ }
+
+ static function update(&$dest, &$src)
+ {
+ foreach ($src as $k => $v) {
+ $dest[$k] = $v;
+ }
+ }
+
+ /**
+ * Wrap PHP's standard error_log functionality. Use this to
+ * perform all logging. It will interpolate any additional
+ * arguments into the format string before logging.
+ *
+ * @param string $format_string The sprintf format for the message
+ */
+ static function log($format_string)
+ {
+ $args = func_get_args();
+ $message = call_user_func_array('sprintf', $args);
+ error_log($message);
+ }
+
+ static function autoSubmitHTML($form, $title="OpenId transaction in progress")
+ {
+ return("<html>".
+ "<head><title>".
+ $title .
+ "</title></head>".
+ "<body onload='document.forms[0].submit();'>".
+ $form .
+ "<script>".
+ "var elements = document.forms[0].elements;".
+ "for (var i = 0; i < elements.length; i++) {".
+ " elements[i].style.display = \"none\";".
+ "}".
+ "</script>".
+ "</body>".
+ "</html>");
+ }
+}
+
+/*
+ * Function to run when this file is included.
+ * Abstracted to a function to make life easier
+ * for some PHP optimizers.
+ */
+function Auth_OpenID_include_init() {
+ if (Auth_OpenID_getMathLib() === null) {
+ Auth_OpenID_setNoMathSupport();
+ }
+}
diff --git a/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/AX.php b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/AX.php
new file mode 100644
index 0000000..7370715
--- /dev/null
+++ b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/AX.php
@@ -0,0 +1,1022 @@
+<?php
+
+/**
+ * Implements the OpenID attribute exchange specification, version 1.0
+ * as of svn revision 370 from openid.net svn.
+ *
+ * @package OpenID
+ */
+
+/**
+ * Require utility classes and functions for the consumer.
+ */
+require_once "Auth/OpenID/Extension.php";
+require_once "Auth/OpenID/Message.php";
+require_once "Auth/OpenID/TrustRoot.php";
+
+define('Auth_OpenID_AX_NS_URI',
+ 'http://openid.net/srv/ax/1.0');
+
+// Use this as the 'count' value for an attribute in a FetchRequest to
+// ask for as many values as the OP can provide.
+define('Auth_OpenID_AX_UNLIMITED_VALUES', 'unlimited');
+
+// Minimum supported alias length in characters. Here for
+// completeness.
+define('Auth_OpenID_AX_MINIMUM_SUPPORTED_ALIAS_LENGTH', 32);
+
+/**
+ * AX utility class.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_AX {
+ /**
+ * @param mixed $thing Any object which may be an
+ * Auth_OpenID_AX_Error object.
+ *
+ * @return bool true if $thing is an Auth_OpenID_AX_Error; false
+ * if not.
+ */
+ static function isError($thing)
+ {
+ return is_a($thing, 'Auth_OpenID_AX_Error');
+ }
+}
+
+/**
+ * Check an alias for invalid characters; raise AXError if any are
+ * found. Return None if the alias is valid.
+ */
+function Auth_OpenID_AX_checkAlias($alias)
+{
+ if (strpos($alias, ',') !== false) {
+ return new Auth_OpenID_AX_Error(sprintf(
+ "Alias %s must not contain comma", $alias));
+ }
+ if (strpos($alias, '.') !== false) {
+ return new Auth_OpenID_AX_Error(sprintf(
+ "Alias %s must not contain period", $alias));
+ }
+
+ return true;
+}
+
+/**
+ * Results from data that does not meet the attribute exchange 1.0
+ * specification
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_AX_Error {
+ function Auth_OpenID_AX_Error($message=null)
+ {
+ $this->message = $message;
+ }
+}
+
+/**
+ * Abstract class containing common code for attribute exchange
+ * messages.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_AX_Message extends Auth_OpenID_Extension {
+ /**
+ * ns_alias: The preferred namespace alias for attribute exchange
+ * messages
+ */
+ var $ns_alias = 'ax';
+
+ /**
+ * mode: The type of this attribute exchange message. This must be
+ * overridden in subclasses.
+ */
+ var $mode = null;
+
+ var $ns_uri = Auth_OpenID_AX_NS_URI;
+
+ /**
+ * Return Auth_OpenID_AX_Error if the mode in the attribute
+ * exchange arguments does not match what is expected for this
+ * class; true otherwise.
+ *
+ * @access private
+ */
+ function _checkMode($ax_args)
+ {
+ $mode = Auth_OpenID::arrayGet($ax_args, 'mode');
+ if ($mode != $this->mode) {
+ return new Auth_OpenID_AX_Error(
+ sprintf(
+ "Expected mode '%s'; got '%s'",
+ $this->mode, $mode));
+ }
+
+ return true;
+ }
+
+ /**
+ * Return a set of attribute exchange arguments containing the
+ * basic information that must be in every attribute exchange
+ * message.
+ *
+ * @access private
+ */
+ function _newArgs()
+ {
+ return array('mode' => $this->mode);
+ }
+}
+
+/**
+ * Represents a single attribute in an attribute exchange
+ * request. This should be added to an AXRequest object in order to
+ * request the attribute.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_AX_AttrInfo {
+ /**
+ * Construct an attribute information object. Do not call this
+ * directly; call make(...) instead.
+ *
+ * @param string $type_uri The type URI for this attribute.
+ *
+ * @param int $count The number of values of this type to request.
+ *
+ * @param bool $required Whether the attribute will be marked as
+ * required in the request.
+ *
+ * @param string $alias The name that should be given to this
+ * attribute in the request.
+ */
+ function Auth_OpenID_AX_AttrInfo($type_uri, $count, $required,
+ $alias)
+ {
+ /**
+ * required: Whether the attribute will be marked as required
+ * when presented to the subject of the attribute exchange
+ * request.
+ */
+ $this->required = $required;
+
+ /**
+ * count: How many values of this type to request from the
+ * subject. Defaults to one.
+ */
+ $this->count = $count;
+
+ /**
+ * type_uri: The identifier that determines what the attribute
+ * represents and how it is serialized. For example, one type
+ * URI representing dates could represent a Unix timestamp in
+ * base 10 and another could represent a human-readable
+ * string.
+ */
+ $this->type_uri = $type_uri;
+
+ /**
+ * alias: The name that should be given to this attribute in
+ * the request. If it is not supplied, a generic name will be
+ * assigned. For example, if you want to call a Unix timestamp
+ * value 'tstamp', set its alias to that value. If two
+ * attributes in the same message request to use the same
+ * alias, the request will fail to be generated.
+ */
+ $this->alias = $alias;
+ }
+
+ /**
+ * Construct an attribute information object. For parameter
+ * details, see the constructor.
+ */
+ static function make($type_uri, $count=1, $required=false,
+ $alias=null)
+ {
+ if ($alias !== null) {
+ $result = Auth_OpenID_AX_checkAlias($alias);
+
+ if (Auth_OpenID_AX::isError($result)) {
+ return $result;
+ }
+ }
+
+ return new Auth_OpenID_AX_AttrInfo($type_uri, $count, $required,
+ $alias);
+ }
+
+ /**
+ * When processing a request for this attribute, the OP should
+ * call this method to determine whether all available attribute
+ * values were requested. If self.count == UNLIMITED_VALUES, this
+ * returns True. Otherwise this returns False, in which case
+ * self.count is an integer.
+ */
+ function wantsUnlimitedValues()
+ {
+ return $this->count === Auth_OpenID_AX_UNLIMITED_VALUES;
+ }
+}
+
+/**
+ * Given a namespace mapping and a string containing a comma-separated
+ * list of namespace aliases, return a list of type URIs that
+ * correspond to those aliases.
+ *
+ * @param $namespace_map The mapping from namespace URI to alias
+ * @param $alias_list_s The string containing the comma-separated
+ * list of aliases. May also be None for convenience.
+ *
+ * @return $seq The list of namespace URIs that corresponds to the
+ * supplied list of aliases. If the string was zero-length or None, an
+ * empty list will be returned.
+ *
+ * return null If an alias is present in the list of aliases but
+ * is not present in the namespace map.
+ */
+function Auth_OpenID_AX_toTypeURIs($namespace_map, $alias_list_s)
+{
+ $uris = array();
+
+ if ($alias_list_s) {
+ foreach (explode(',', $alias_list_s) as $alias) {
+ $type_uri = $namespace_map->getNamespaceURI($alias);
+ if ($type_uri === null) {
+ // raise KeyError(
+ // 'No type is defined for attribute name %r' % (alias,))
+ return new Auth_OpenID_AX_Error(
+ sprintf('No type is defined for attribute name %s',
+ $alias)
+ );
+ } else {
+ $uris[] = $type_uri;
+ }
+ }
+ }
+
+ return $uris;
+}
+
+/**
+ * An attribute exchange 'fetch_request' message. This message is sent
+ * by a relying party when it wishes to obtain attributes about the
+ * subject of an OpenID authentication request.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_AX_FetchRequest extends Auth_OpenID_AX_Message {
+
+ var $mode = 'fetch_request';
+
+ function Auth_OpenID_AX_FetchRequest($update_url=null)
+ {
+ /**
+ * requested_attributes: The attributes that have been
+ * requested thus far, indexed by the type URI.
+ */
+ $this->requested_attributes = array();
+
+ /**
+ * update_url: A URL that will accept responses for this
+ * attribute exchange request, even in the absence of the user
+ * who made this request.
+ */
+ $this->update_url = $update_url;
+ }
+
+ /**
+ * Add an attribute to this attribute exchange request.
+ *
+ * @param attribute: The attribute that is being requested
+ * @return true on success, false when the requested attribute is
+ * already present in this fetch request.
+ */
+ function add($attribute)
+ {
+ if ($this->contains($attribute->type_uri)) {
+ return new Auth_OpenID_AX_Error(
+ sprintf("The attribute %s has already been requested",
+ $attribute->type_uri));
+ }
+
+ $this->requested_attributes[$attribute->type_uri] = $attribute;
+
+ return true;
+ }
+
+ /**
+ * Get the serialized form of this attribute fetch request.
+ *
+ * @returns Auth_OpenID_AX_FetchRequest The fetch request message parameters
+ */
+ function getExtensionArgs()
+ {
+ $aliases = new Auth_OpenID_NamespaceMap();
+
+ $required = array();
+ $if_available = array();
+
+ $ax_args = $this->_newArgs();
+
+ foreach ($this->requested_attributes as $type_uri => $attribute) {
+ if ($attribute->alias === null) {
+ $alias = $aliases->add($type_uri);
+ } else {
+ $alias = $aliases->addAlias($type_uri, $attribute->alias);
+
+ if ($alias === null) {
+ return new Auth_OpenID_AX_Error(
+ sprintf("Could not add alias %s for URI %s",
+ $attribute->alias, $type_uri
+ ));
+ }
+ }
+
+ if ($attribute->required) {
+ $required[] = $alias;
+ } else {
+ $if_available[] = $alias;
+ }
+
+ if ($attribute->count != 1) {
+ $ax_args['count.' . $alias] = strval($attribute->count);
+ }
+
+ $ax_args['type.' . $alias] = $type_uri;
+ }
+
+ if ($required) {
+ $ax_args['required'] = implode(',', $required);
+ }
+
+ if ($if_available) {
+ $ax_args['if_available'] = implode(',', $if_available);
+ }
+
+ return $ax_args;
+ }
+
+ /**
+ * Get the type URIs for all attributes that have been marked as
+ * required.
+ *
+ * @return A list of the type URIs for attributes that have been
+ * marked as required.
+ */
+ function getRequiredAttrs()
+ {
+ $required = array();
+ foreach ($this->requested_attributes as $type_uri => $attribute) {
+ if ($attribute->required) {
+ $required[] = $type_uri;
+ }
+ }
+
+ return $required;
+ }
+
+ /**
+ * Extract a FetchRequest from an OpenID message
+ *
+ * @param request: The OpenID request containing the attribute
+ * fetch request
+ *
+ * @returns mixed An Auth_OpenID_AX_Error or the
+ * Auth_OpenID_AX_FetchRequest extracted from the request message if
+ * successful
+ */
+ static function fromOpenIDRequest($request)
+ {
+ $m = $request->message;
+ $obj = new Auth_OpenID_AX_FetchRequest();
+ $ax_args = $m->getArgs($obj->ns_uri);
+
+ $result = $obj->parseExtensionArgs($ax_args);
+
+ if (Auth_OpenID_AX::isError($result)) {
+ return $result;
+ }
+
+ if ($obj->update_url) {
+ // Update URL must match the openid.realm of the
+ // underlying OpenID 2 message.
+ $realm = $m->getArg(Auth_OpenID_OPENID_NS, 'realm',
+ $m->getArg(
+ Auth_OpenID_OPENID_NS,
+ 'return_to'));
+
+ if (!$realm) {
+ $obj = new Auth_OpenID_AX_Error(
+ sprintf("Cannot validate update_url %s " .
+ "against absent realm", $obj->update_url));
+ } else if (!Auth_OpenID_TrustRoot::match($realm,
+ $obj->update_url)) {
+ $obj = new Auth_OpenID_AX_Error(
+ sprintf("Update URL %s failed validation against realm %s",
+ $obj->update_url, $realm));
+ }
+ }
+
+ return $obj;
+ }
+
+ /**
+ * Given attribute exchange arguments, populate this FetchRequest.
+ *
+ * @return $result Auth_OpenID_AX_Error if the data to be parsed
+ * does not follow the attribute exchange specification. At least
+ * when 'if_available' or 'required' is not specified for a
+ * particular attribute type. Returns true otherwise.
+ */
+ function parseExtensionArgs($ax_args)
+ {
+ $result = $this->_checkMode($ax_args);
+ if (Auth_OpenID_AX::isError($result)) {
+ return $result;
+ }
+
+ $aliases = new Auth_OpenID_NamespaceMap();
+
+ foreach ($ax_args as $key => $value) {
+ if (strpos($key, 'type.') === 0) {
+ $alias = substr($key, 5);
+ $type_uri = $value;
+
+ $alias = $aliases->addAlias($type_uri, $alias);
+
+ if ($alias === null) {
+ return new Auth_OpenID_AX_Error(
+ sprintf("Could not add alias %s for URI %s",
+ $alias, $type_uri)
+ );
+ }
+
+ $count_s = Auth_OpenID::arrayGet($ax_args, 'count.' . $alias);
+ if ($count_s) {
+ $count = Auth_OpenID::intval($count_s);
+ if (($count === false) &&
+ ($count_s === Auth_OpenID_AX_UNLIMITED_VALUES)) {
+ $count = $count_s;
+ }
+ } else {
+ $count = 1;
+ }
+
+ if ($count === false) {
+ return new Auth_OpenID_AX_Error(
+ sprintf("Integer value expected for %s, got %s",
+ 'count.' . $alias, $count_s));
+ }
+
+ $attrinfo = Auth_OpenID_AX_AttrInfo::make($type_uri, $count,
+ false, $alias);
+
+ if (Auth_OpenID_AX::isError($attrinfo)) {
+ return $attrinfo;
+ }
+
+ $this->add($attrinfo);
+ }
+ }
+
+ $required = Auth_OpenID_AX_toTypeURIs($aliases,
+ Auth_OpenID::arrayGet($ax_args, 'required'));
+
+ foreach ($required as $type_uri) {
+ $attrib = $this->requested_attributes[$type_uri];
+ $attrib->required = true;
+ }
+
+ $if_available = Auth_OpenID_AX_toTypeURIs($aliases,
+ Auth_OpenID::arrayGet($ax_args, 'if_available'));
+
+ $all_type_uris = array_merge($required, $if_available);
+
+ foreach ($aliases->iterNamespaceURIs() as $type_uri) {
+ if (!in_array($type_uri, $all_type_uris)) {
+ return new Auth_OpenID_AX_Error(
+ sprintf('Type URI %s was in the request but not ' .
+ 'present in "required" or "if_available"',
+ $type_uri));
+
+ }
+ }
+
+ $this->update_url = Auth_OpenID::arrayGet($ax_args, 'update_url');
+
+ return true;
+ }
+
+ /**
+ * Iterate over the AttrInfo objects that are contained in this
+ * fetch_request.
+ */
+ function iterAttrs()
+ {
+ return array_values($this->requested_attributes);
+ }
+
+ function iterTypes()
+ {
+ return array_keys($this->requested_attributes);
+ }
+
+ /**
+ * Is the given type URI present in this fetch_request?
+ */
+ function contains($type_uri)
+ {
+ return in_array($type_uri, $this->iterTypes());
+ }
+}
+
+/**
+ * An abstract class that implements a message that has attribute keys
+ * and values. It contains the common code between fetch_response and
+ * store_request.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_AX_KeyValueMessage extends Auth_OpenID_AX_Message {
+
+ function Auth_OpenID_AX_KeyValueMessage()
+ {
+ $this->data = array();
+ }
+
+ /**
+ * Add a single value for the given attribute type to the
+ * message. If there are already values specified for this type,
+ * this value will be sent in addition to the values already
+ * specified.
+ *
+ * @param type_uri: The URI for the attribute
+ * @param value: The value to add to the response to the relying
+ * party for this attribute
+ * @return null
+ */
+ function addValue($type_uri, $value)
+ {
+ if (!array_key_exists($type_uri, $this->data)) {
+ $this->data[$type_uri] = array();
+ }
+
+ $values =& $this->data[$type_uri];
+ $values[] = $value;
+ }
+
+ /**
+ * Set the values for the given attribute type. This replaces any
+ * values that have already been set for this attribute.
+ *
+ * @param type_uri: The URI for the attribute
+ * @param values: A list of values to send for this attribute.
+ */
+ function setValues($type_uri, &$values)
+ {
+ $this->data[$type_uri] =& $values;
+ }
+
+ /**
+ * Get the extension arguments for the key/value pairs contained
+ * in this message.
+ *
+ * @param aliases: An alias mapping. Set to None if you don't care
+ * about the aliases for this request.
+ *
+ * @access private
+ */
+ function _getExtensionKVArgs($aliases)
+ {
+ if ($aliases === null) {
+ $aliases = new Auth_OpenID_NamespaceMap();
+ }
+
+ $ax_args = array();
+
+ foreach ($this->data as $type_uri => $values) {
+ $alias = $aliases->add($type_uri);
+
+ $ax_args['type.' . $alias] = $type_uri;
+ $ax_args['count.' . $alias] = strval(count($values));
+
+ foreach ($values as $i => $value) {
+ $key = sprintf('value.%s.%d', $alias, $i + 1);
+ $ax_args[$key] = $value;
+ }
+ }
+
+ return $ax_args;
+ }
+
+ /**
+ * Parse attribute exchange key/value arguments into this object.
+ *
+ * @param ax_args: The attribute exchange fetch_response
+ * arguments, with namespacing removed.
+ *
+ * @return Auth_OpenID_AX_Error or true
+ */
+ function parseExtensionArgs($ax_args)
+ {
+ $result = $this->_checkMode($ax_args);
+ if (Auth_OpenID_AX::isError($result)) {
+ return $result;
+ }
+
+ $aliases = new Auth_OpenID_NamespaceMap();
+
+ foreach ($ax_args as $key => $value) {
+ if (strpos($key, 'type.') === 0) {
+ $type_uri = $value;
+ $alias = substr($key, 5);
+
+ $result = Auth_OpenID_AX_checkAlias($alias);
+
+ if (Auth_OpenID_AX::isError($result)) {
+ return $result;
+ }
+
+ $alias = $aliases->addAlias($type_uri, $alias);
+
+ if ($alias === null) {
+ return new Auth_OpenID_AX_Error(
+ sprintf("Could not add alias %s for URI %s",
+ $alias, $type_uri)
+ );
+ }
+ }
+ }
+
+ foreach ($aliases->iteritems() as $pair) {
+ list($type_uri, $alias) = $pair;
+
+ if (array_key_exists('count.' . $alias, $ax_args) && ($ax_args['count.' . $alias] !== Auth_OpenID_AX_UNLIMITED_VALUES)) {
+
+ $count_key = 'count.' . $alias;
+ $count_s = $ax_args[$count_key];
+
+ $count = Auth_OpenID::intval($count_s);
+
+ if ($count === false) {
+ return new Auth_OpenID_AX_Error(
+ sprintf("Integer value expected for %s, got %s",
+ 'count. %s' . $alias, $count_s,
+ Auth_OpenID_AX_UNLIMITED_VALUES)
+ );
+ }
+
+ $values = array();
+ for ($i = 1; $i < $count + 1; $i++) {
+ $value_key = sprintf('value.%s.%d', $alias, $i);
+
+ if (!array_key_exists($value_key, $ax_args)) {
+ return new Auth_OpenID_AX_Error(
+ sprintf(
+ "No value found for key %s",
+ $value_key));
+ }
+
+ $value = $ax_args[$value_key];
+ $values[] = $value;
+ }
+ } else {
+ $key = 'value.' . $alias;
+
+ if (!array_key_exists($key, $ax_args)) {
+ return new Auth_OpenID_AX_Error(
+ sprintf(
+ "No value found for key %s",
+ $key));
+ }
+
+ $value = $ax_args['value.' . $alias];
+
+ if ($value == '') {
+ $values = array();
+ } else {
+ $values = array($value);
+ }
+ }
+
+ $this->data[$type_uri] = $values;
+ }
+
+ return true;
+ }
+
+ /**
+ * Get a single value for an attribute. If no value was sent for
+ * this attribute, use the supplied default. If there is more than
+ * one value for this attribute, this method will fail.
+ *
+ * @param type_uri: The URI for the attribute
+ * @param default: The value to return if the attribute was not
+ * sent in the fetch_response.
+ *
+ * @return $value Auth_OpenID_AX_Error on failure or the value of
+ * the attribute in the fetch_response message, or the default
+ * supplied
+ */
+ function getSingle($type_uri, $default=null)
+ {
+ $values = Auth_OpenID::arrayGet($this->data, $type_uri);
+ if (!$values) {
+ return $default;
+ } else if (count($values) == 1) {
+ return $values[0];
+ } else {
+ return new Auth_OpenID_AX_Error(
+ sprintf('More than one value present for %s',
+ $type_uri)
+ );
+ }
+ }
+
+ /**
+ * Get the list of values for this attribute in the
+ * fetch_response.
+ *
+ * XXX: what to do if the values are not present? default
+ * parameter? this is funny because it's always supposed to return
+ * a list, so the default may break that, though it's provided by
+ * the user's code, so it might be okay. If no default is
+ * supplied, should the return be None or []?
+ *
+ * @param type_uri: The URI of the attribute
+ *
+ * @return $values The list of values for this attribute in the
+ * response. May be an empty list. If the attribute was not sent
+ * in the response, returns Auth_OpenID_AX_Error.
+ */
+ function get($type_uri)
+ {
+ if (array_key_exists($type_uri, $this->data)) {
+ return $this->data[$type_uri];
+ } else {
+ return new Auth_OpenID_AX_Error(
+ sprintf("Type URI %s not found in response",
+ $type_uri)
+ );
+ }
+ }
+
+ /**
+ * Get the number of responses for a particular attribute in this
+ * fetch_response message.
+ *
+ * @param type_uri: The URI of the attribute
+ *
+ * @returns int The number of values sent for this attribute. If
+ * the attribute was not sent in the response, returns
+ * Auth_OpenID_AX_Error.
+ */
+ function count($type_uri)
+ {
+ if (array_key_exists($type_uri, $this->data)) {
+ return count($this->get($type_uri));
+ } else {
+ return new Auth_OpenID_AX_Error(
+ sprintf("Type URI %s not found in response",
+ $type_uri)
+ );
+ }
+ }
+}
+
+/**
+ * A fetch_response attribute exchange message.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_AX_FetchResponse extends Auth_OpenID_AX_KeyValueMessage {
+ var $mode = 'fetch_response';
+
+ function Auth_OpenID_AX_FetchResponse($update_url=null)
+ {
+ $this->Auth_OpenID_AX_KeyValueMessage();
+ $this->update_url = $update_url;
+ }
+
+ /**
+ * Serialize this object into arguments in the attribute exchange
+ * namespace
+ *
+ * @return $args The dictionary of unqualified attribute exchange
+ * arguments that represent this fetch_response, or
+ * Auth_OpenID_AX_Error on error.
+ */
+ function getExtensionArgs($request=null)
+ {
+ $aliases = new Auth_OpenID_NamespaceMap();
+
+ $zero_value_types = array();
+
+ if ($request !== null) {
+ // Validate the data in the context of the request (the
+ // same attributes should be present in each, and the
+ // counts in the response must be no more than the counts
+ // in the request)
+
+ foreach ($this->data as $type_uri => $unused) {
+ if (!$request->contains($type_uri)) {
+ return new Auth_OpenID_AX_Error(
+ sprintf("Response attribute not present in request: %s",
+ $type_uri)
+ );
+ }
+ }
+
+ foreach ($request->iterAttrs() as $attr_info) {
+ // Copy the aliases from the request so that reading
+ // the response in light of the request is easier
+ if ($attr_info->alias === null) {
+ $aliases->add($attr_info->type_uri);
+ } else {
+ $alias = $aliases->addAlias($attr_info->type_uri,
+ $attr_info->alias);
+
+ if ($alias === null) {
+ return new Auth_OpenID_AX_Error(
+ sprintf("Could not add alias %s for URI %s",
+ $attr_info->alias, $attr_info->type_uri)
+ );
+ }
+ }
+
+ if (array_key_exists($attr_info->type_uri, $this->data)) {
+ $values = $this->data[$attr_info->type_uri];
+ } else {
+ $values = array();
+ $zero_value_types[] = $attr_info;
+ }
+
+ if (($attr_info->count != Auth_OpenID_AX_UNLIMITED_VALUES) &&
+ ($attr_info->count < count($values))) {
+ return new Auth_OpenID_AX_Error(
+ sprintf("More than the number of requested values " .
+ "were specified for %s",
+ $attr_info->type_uri)
+ );
+ }
+ }
+ }
+
+ $kv_args = $this->_getExtensionKVArgs($aliases);
+
+ // Add the KV args into the response with the args that are
+ // unique to the fetch_response
+ $ax_args = $this->_newArgs();
+
+ // For each requested attribute, put its type/alias and count
+ // into the response even if no data were returned.
+ foreach ($zero_value_types as $attr_info) {
+ $alias = $aliases->getAlias($attr_info->type_uri);
+ $kv_args['type.' . $alias] = $attr_info->type_uri;
+ $kv_args['count.' . $alias] = '0';
+ }
+
+ $update_url = null;
+ if ($request) {
+ $update_url = $request->update_url;
+ } else {
+ $update_url = $this->update_url;
+ }
+
+ if ($update_url) {
+ $ax_args['update_url'] = $update_url;
+ }
+
+ Auth_OpenID::update($ax_args, $kv_args);
+
+ return $ax_args;
+ }
+
+ /**
+ * @return $result Auth_OpenID_AX_Error on failure or true on
+ * success.
+ */
+ function parseExtensionArgs($ax_args)
+ {
+ $result = parent::parseExtensionArgs($ax_args);
+
+ if (Auth_OpenID_AX::isError($result)) {
+ return $result;
+ }
+
+ $this->update_url = Auth_OpenID::arrayGet($ax_args, 'update_url');
+
+ return true;
+ }
+
+ /**
+ * Construct a FetchResponse object from an OpenID library
+ * SuccessResponse object.
+ *
+ * @param success_response: A successful id_res response object
+ *
+ * @param signed: Whether non-signed args should be processsed. If
+ * True (the default), only signed arguments will be processsed.
+ *
+ * @return $response A FetchResponse containing the data from the
+ * OpenID message
+ */
+ static function fromSuccessResponse($success_response, $signed=true)
+ {
+ $obj = new Auth_OpenID_AX_FetchResponse();
+ if ($signed) {
+ $ax_args = $success_response->getSignedNS($obj->ns_uri);
+ } else {
+ $ax_args = $success_response->message->getArgs($obj->ns_uri);
+ }
+ if ($ax_args === null || Auth_OpenID::isFailure($ax_args) ||
+ sizeof($ax_args) == 0) {
+ return null;
+ }
+
+ $result = $obj->parseExtensionArgs($ax_args);
+ if (Auth_OpenID_AX::isError($result)) {
+ #XXX log me
+ return null;
+ }
+ return $obj;
+ }
+}
+
+/**
+ * A store request attribute exchange message representation.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_AX_StoreRequest extends Auth_OpenID_AX_KeyValueMessage {
+ var $mode = 'store_request';
+
+ /**
+ * @param array $aliases The namespace aliases to use when making
+ * this store response. Leave as None to use defaults.
+ */
+ function getExtensionArgs($aliases=null)
+ {
+ $ax_args = $this->_newArgs();
+ $kv_args = $this->_getExtensionKVArgs($aliases);
+ Auth_OpenID::update($ax_args, $kv_args);
+ return $ax_args;
+ }
+}
+
+/**
+ * An indication that the store request was processed along with this
+ * OpenID transaction. Use make(), NOT the constructor, to create
+ * response objects.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_AX_StoreResponse extends Auth_OpenID_AX_Message {
+ var $SUCCESS_MODE = 'store_response_success';
+ var $FAILURE_MODE = 'store_response_failure';
+
+ /**
+ * Returns Auth_OpenID_AX_Error on error or an
+ * Auth_OpenID_AX_StoreResponse object on success.
+ */
+ function make($succeeded=true, $error_message=null)
+ {
+ if (($succeeded) && ($error_message !== null)) {
+ return new Auth_OpenID_AX_Error('An error message may only be '.
+ 'included in a failing fetch response');
+ }
+
+ return new Auth_OpenID_AX_StoreResponse($succeeded, $error_message);
+ }
+
+ function Auth_OpenID_AX_StoreResponse($succeeded=true, $error_message=null)
+ {
+ if ($succeeded) {
+ $this->mode = $this->SUCCESS_MODE;
+ } else {
+ $this->mode = $this->FAILURE_MODE;
+ }
+
+ $this->error_message = $error_message;
+ }
+
+ /**
+ * Was this response a success response?
+ */
+ function succeeded()
+ {
+ return $this->mode == $this->SUCCESS_MODE;
+ }
+
+ function getExtensionArgs()
+ {
+ $ax_args = $this->_newArgs();
+ if ((!$this->succeeded()) && $this->error_message) {
+ $ax_args['error'] = $this->error_message;
+ }
+
+ return $ax_args;
+ }
+}
+
diff --git a/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/Association.php b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/Association.php
new file mode 100644
index 0000000..2729138
--- /dev/null
+++ b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/Association.php
@@ -0,0 +1,610 @@
+<?php
+
+/**
+ * This module contains code for dealing with associations between
+ * consumers and servers.
+ *
+ * PHP versions 4 and 5
+ *
+ * LICENSE: See the COPYING file included in this distribution.
+ *
+ * @package OpenID
+ * @author JanRain, Inc. <openid@janrain.com>
+ * @copyright 2005-2008 Janrain, Inc.
+ * @license http://www.apache.org/licenses/LICENSE-2.0 Apache
+ */
+
+/**
+ * @access private
+ */
+require_once 'Auth/OpenID/CryptUtil.php';
+
+/**
+ * @access private
+ */
+require_once 'Auth/OpenID/KVForm.php';
+
+/**
+ * @access private
+ */
+require_once 'Auth/OpenID/HMAC.php';
+
+/**
+ * This class represents an association between a server and a
+ * consumer. In general, users of this library will never see
+ * instances of this object. The only exception is if you implement a
+ * custom {@link Auth_OpenID_OpenIDStore}.
+ *
+ * If you do implement such a store, it will need to store the values
+ * of the handle, secret, issued, lifetime, and assoc_type instance
+ * variables.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_Association {
+
+ /**
+ * This is a HMAC-SHA1 specific value.
+ *
+ * @access private
+ */
+ var $SIG_LENGTH = 20;
+
+ /**
+ * The ordering and name of keys as stored by serialize.
+ *
+ * @access private
+ */
+ var $assoc_keys = array(
+ 'version',
+ 'handle',
+ 'secret',
+ 'issued',
+ 'lifetime',
+ 'assoc_type'
+ );
+
+ var $_macs = array(
+ 'HMAC-SHA1' => 'Auth_OpenID_HMACSHA1',
+ 'HMAC-SHA256' => 'Auth_OpenID_HMACSHA256'
+ );
+
+ /**
+ * This is an alternate constructor (factory method) used by the
+ * OpenID consumer library to create associations. OpenID store
+ * implementations shouldn't use this constructor.
+ *
+ * @access private
+ *
+ * @param integer $expires_in This is the amount of time this
+ * association is good for, measured in seconds since the
+ * association was issued.
+ *
+ * @param string $handle This is the handle the server gave this
+ * association.
+ *
+ * @param string secret This is the shared secret the server
+ * generated for this association.
+ *
+ * @param assoc_type This is the type of association this
+ * instance represents. The only valid values of this field at
+ * this time is 'HMAC-SHA1' and 'HMAC-SHA256', but new types may
+ * be defined in the future.
+ *
+ * @return association An {@link Auth_OpenID_Association}
+ * instance.
+ */
+ static function fromExpiresIn($expires_in, $handle, $secret, $assoc_type)
+ {
+ $issued = time();
+ $lifetime = $expires_in;
+ return new Auth_OpenID_Association($handle, $secret,
+ $issued, $lifetime, $assoc_type);
+ }
+
+ /**
+ * This is the standard constructor for creating an association.
+ * The library should create all of the necessary associations, so
+ * this constructor is not part of the external API.
+ *
+ * @access private
+ *
+ * @param string $handle This is the handle the server gave this
+ * association.
+ *
+ * @param string $secret This is the shared secret the server
+ * generated for this association.
+ *
+ * @param integer $issued This is the time this association was
+ * issued, in seconds since 00:00 GMT, January 1, 1970. (ie, a
+ * unix timestamp)
+ *
+ * @param integer $lifetime This is the amount of time this
+ * association is good for, measured in seconds since the
+ * association was issued.
+ *
+ * @param string $assoc_type This is the type of association this
+ * instance represents. The only valid values of this field at
+ * this time is 'HMAC-SHA1' and 'HMAC-SHA256', but new types may
+ * be defined in the future.
+ */
+ function Auth_OpenID_Association(
+ $handle, $secret, $issued, $lifetime, $assoc_type)
+ {
+ if (!in_array($assoc_type,
+ Auth_OpenID_getSupportedAssociationTypes(), true)) {
+ $fmt = 'Unsupported association type (%s)';
+ trigger_error(sprintf($fmt, $assoc_type), E_USER_ERROR);
+ }
+
+ $this->handle = $handle;
+ $this->secret = $secret;
+ $this->issued = $issued;
+ $this->lifetime = $lifetime;
+ $this->assoc_type = $assoc_type;
+ }
+
+ /**
+ * This returns the number of seconds this association is still
+ * valid for, or 0 if the association is no longer valid.
+ *
+ * @return integer $seconds The number of seconds this association
+ * is still valid for, or 0 if the association is no longer valid.
+ */
+ function getExpiresIn($now = null)
+ {
+ if ($now == null) {
+ $now = time();
+ }
+
+ return max(0, $this->issued + $this->lifetime - $now);
+ }
+
+ /**
+ * This checks to see if two {@link Auth_OpenID_Association}
+ * instances represent the same association.
+ *
+ * @return bool $result true if the two instances represent the
+ * same association, false otherwise.
+ */
+ function equal($other)
+ {
+ return ((gettype($this) == gettype($other))
+ && ($this->handle == $other->handle)
+ && ($this->secret == $other->secret)
+ && ($this->issued == $other->issued)
+ && ($this->lifetime == $other->lifetime)
+ && ($this->assoc_type == $other->assoc_type));
+ }
+
+ /**
+ * Convert an association to KV form.
+ *
+ * @return string $result String in KV form suitable for
+ * deserialization by deserialize.
+ */
+ function serialize()
+ {
+ $data = array(
+ 'version' => '2',
+ 'handle' => $this->handle,
+ 'secret' => base64_encode($this->secret),
+ 'issued' => strval(intval($this->issued)),
+ 'lifetime' => strval(intval($this->lifetime)),
+ 'assoc_type' => $this->assoc_type
+ );
+
+ assert(array_keys($data) == $this->assoc_keys);
+
+ return Auth_OpenID_KVForm::fromArray($data, $strict = true);
+ }
+
+ /**
+ * Parse an association as stored by serialize(). This is the
+ * inverse of serialize.
+ *
+ * @param string $assoc_s Association as serialized by serialize()
+ * @return Auth_OpenID_Association $result instance of this class
+ */
+ static function deserialize($class_name, $assoc_s)
+ {
+ $pairs = Auth_OpenID_KVForm::toArray($assoc_s, $strict = true);
+ $keys = array();
+ $values = array();
+ foreach ($pairs as $key => $value) {
+ if (is_array($value)) {
+ list($key, $value) = $value;
+ }
+ $keys[] = $key;
+ $values[] = $value;
+ }
+
+ $class_vars = get_class_vars($class_name);
+ $class_assoc_keys = $class_vars['assoc_keys'];
+
+ sort($keys);
+ sort($class_assoc_keys);
+
+ if ($keys != $class_assoc_keys) {
+ trigger_error('Unexpected key values: ' . var_export($keys, true),
+ E_USER_WARNING);
+ return null;
+ }
+
+ $version = $pairs['version'];
+ $handle = $pairs['handle'];
+ $secret = $pairs['secret'];
+ $issued = $pairs['issued'];
+ $lifetime = $pairs['lifetime'];
+ $assoc_type = $pairs['assoc_type'];
+
+ if ($version != '2') {
+ trigger_error('Unknown version: ' . $version, E_USER_WARNING);
+ return null;
+ }
+
+ $issued = intval($issued);
+ $lifetime = intval($lifetime);
+ $secret = base64_decode($secret);
+
+ return new $class_name(
+ $handle, $secret, $issued, $lifetime, $assoc_type);
+ }
+
+ /**
+ * Generate a signature for a sequence of (key, value) pairs
+ *
+ * @access private
+ * @param array $pairs The pairs to sign, in order. This is an
+ * array of two-tuples.
+ * @return string $signature The binary signature of this sequence
+ * of pairs
+ */
+ function sign($pairs)
+ {
+ $kv = Auth_OpenID_KVForm::fromArray($pairs);
+
+ /* Invalid association types should be caught at constructor */
+ $callback = $this->_macs[$this->assoc_type];
+
+ return call_user_func_array($callback, array($this->secret, $kv));
+ }
+
+ /**
+ * Generate a signature for some fields in a dictionary
+ *
+ * @access private
+ * @param array $fields The fields to sign, in order; this is an
+ * array of strings.
+ * @param array $data Dictionary of values to sign (an array of
+ * string => string pairs).
+ * @return string $signature The signature, base64 encoded
+ */
+ function signMessage($message)
+ {
+ if ($message->hasKey(Auth_OpenID_OPENID_NS, 'sig') ||
+ $message->hasKey(Auth_OpenID_OPENID_NS, 'signed')) {
+ // Already has a sig
+ return null;
+ }
+
+ $extant_handle = $message->getArg(Auth_OpenID_OPENID_NS,
+ 'assoc_handle');
+
+ if ($extant_handle && ($extant_handle != $this->handle)) {
+ // raise ValueError("Message has a different association handle")
+ return null;
+ }
+
+ $signed_message = $message;
+ $signed_message->setArg(Auth_OpenID_OPENID_NS, 'assoc_handle',
+ $this->handle);
+
+ $message_keys = array_keys($signed_message->toPostArgs());
+ $signed_list = array();
+ $signed_prefix = 'openid.';
+
+ foreach ($message_keys as $k) {
+ if (strpos($k, $signed_prefix) === 0) {
+ $signed_list[] = substr($k, strlen($signed_prefix));
+ }
+ }
+
+ $signed_list[] = 'signed';
+ sort($signed_list);
+
+ $signed_message->setArg(Auth_OpenID_OPENID_NS, 'signed',
+ implode(',', $signed_list));
+ $sig = $this->getMessageSignature($signed_message);
+ $signed_message->setArg(Auth_OpenID_OPENID_NS, 'sig', $sig);
+ return $signed_message;
+ }
+
+ /**
+ * Given a {@link Auth_OpenID_Message}, return the key/value pairs
+ * to be signed according to the signed list in the message. If
+ * the message lacks a signed list, return null.
+ *
+ * @access private
+ */
+ function _makePairs($message)
+ {
+ $signed = $message->getArg(Auth_OpenID_OPENID_NS, 'signed');
+ if (!$signed || Auth_OpenID::isFailure($signed)) {
+ // raise ValueError('Message has no signed list: %s' % (message,))
+ return null;
+ }
+
+ $signed_list = explode(',', $signed);
+ $pairs = array();
+ $data = $message->toPostArgs();
+ foreach ($signed_list as $field) {
+ $pairs[] = array($field, Auth_OpenID::arrayGet($data,
+ 'openid.' .
+ $field, ''));
+ }
+ return $pairs;
+ }
+
+ /**
+ * Given an {@link Auth_OpenID_Message}, return the signature for
+ * the signed list in the message.
+ *
+ * @access private
+ */
+ function getMessageSignature($message)
+ {
+ $pairs = $this->_makePairs($message);
+ return base64_encode($this->sign($pairs));
+ }
+
+ /**
+ * Confirm that the signature of these fields matches the
+ * signature contained in the data.
+ *
+ * @access private
+ */
+ function checkMessageSignature($message)
+ {
+ $sig = $message->getArg(Auth_OpenID_OPENID_NS,
+ 'sig');
+
+ if (!$sig || Auth_OpenID::isFailure($sig)) {
+ return false;
+ }
+
+ $calculated_sig = $this->getMessageSignature($message);
+ return Auth_OpenID_CryptUtil::constEq($calculated_sig, $sig);
+ }
+}
+
+function Auth_OpenID_getSecretSize($assoc_type)
+{
+ if ($assoc_type == 'HMAC-SHA1') {
+ return 20;
+ } else if ($assoc_type == 'HMAC-SHA256') {
+ return 32;
+ } else {
+ return null;
+ }
+}
+
+function Auth_OpenID_getAllAssociationTypes()
+{
+ return array('HMAC-SHA1', 'HMAC-SHA256');
+}
+
+function Auth_OpenID_getSupportedAssociationTypes()
+{
+ $a = array('HMAC-SHA1');
+
+ if (Auth_OpenID_HMACSHA256_SUPPORTED) {
+ $a[] = 'HMAC-SHA256';
+ }
+
+ return $a;
+}
+
+function Auth_OpenID_getSessionTypes($assoc_type)
+{
+ $assoc_to_session = array(
+ 'HMAC-SHA1' => array('DH-SHA1', 'no-encryption'));
+
+ if (Auth_OpenID_HMACSHA256_SUPPORTED) {
+ $assoc_to_session['HMAC-SHA256'] =
+ array('DH-SHA256', 'no-encryption');
+ }
+
+ return Auth_OpenID::arrayGet($assoc_to_session, $assoc_type, array());
+}
+
+function Auth_OpenID_checkSessionType($assoc_type, $session_type)
+{
+ if (!in_array($session_type,
+ Auth_OpenID_getSessionTypes($assoc_type))) {
+ return false;
+ }
+
+ return true;
+}
+
+function Auth_OpenID_getDefaultAssociationOrder()
+{
+ $order = array();
+
+ if (!Auth_OpenID_noMathSupport()) {
+ $order[] = array('HMAC-SHA1', 'DH-SHA1');
+
+ if (Auth_OpenID_HMACSHA256_SUPPORTED) {
+ $order[] = array('HMAC-SHA256', 'DH-SHA256');
+ }
+ }
+
+ $order[] = array('HMAC-SHA1', 'no-encryption');
+
+ if (Auth_OpenID_HMACSHA256_SUPPORTED) {
+ $order[] = array('HMAC-SHA256', 'no-encryption');
+ }
+
+ return $order;
+}
+
+function Auth_OpenID_getOnlyEncryptedOrder()
+{
+ $result = array();
+
+ foreach (Auth_OpenID_getDefaultAssociationOrder() as $pair) {
+ list($assoc, $session) = $pair;
+
+ if ($session != 'no-encryption') {
+ if (Auth_OpenID_HMACSHA256_SUPPORTED &&
+ ($assoc == 'HMAC-SHA256')) {
+ $result[] = $pair;
+ } else if ($assoc != 'HMAC-SHA256') {
+ $result[] = $pair;
+ }
+ }
+ }
+
+ return $result;
+}
+
+function Auth_OpenID_getDefaultNegotiator()
+{
+ return new Auth_OpenID_SessionNegotiator(
+ Auth_OpenID_getDefaultAssociationOrder());
+}
+
+function Auth_OpenID_getEncryptedNegotiator()
+{
+ return new Auth_OpenID_SessionNegotiator(
+ Auth_OpenID_getOnlyEncryptedOrder());
+}
+
+/**
+ * A session negotiator controls the allowed and preferred association
+ * types and association session types. Both the {@link
+ * Auth_OpenID_Consumer} and {@link Auth_OpenID_Server} use
+ * negotiators when creating associations.
+ *
+ * You can create and use negotiators if you:
+
+ * - Do not want to do Diffie-Hellman key exchange because you use
+ * transport-layer encryption (e.g. SSL)
+ *
+ * - Want to use only SHA-256 associations
+ *
+ * - Do not want to support plain-text associations over a non-secure
+ * channel
+ *
+ * It is up to you to set a policy for what kinds of associations to
+ * accept. By default, the library will make any kind of association
+ * that is allowed in the OpenID 2.0 specification.
+ *
+ * Use of negotiators in the library
+ * =================================
+ *
+ * When a consumer makes an association request, it calls {@link
+ * getAllowedType} to get the preferred association type and
+ * association session type.
+ *
+ * The server gets a request for a particular association/session type
+ * and calls {@link isAllowed} to determine if it should create an
+ * association. If it is supported, negotiation is complete. If it is
+ * not, the server calls {@link getAllowedType} to get an allowed
+ * association type to return to the consumer.
+ *
+ * If the consumer gets an error response indicating that the
+ * requested association/session type is not supported by the server
+ * that contains an assocation/session type to try, it calls {@link
+ * isAllowed} to determine if it should try again with the given
+ * combination of association/session type.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_SessionNegotiator {
+ function Auth_OpenID_SessionNegotiator($allowed_types)
+ {
+ $this->allowed_types = array();
+ $this->setAllowedTypes($allowed_types);
+ }
+
+ /**
+ * Set the allowed association types, checking to make sure each
+ * combination is valid.
+ *
+ * @access private
+ */
+ function setAllowedTypes($allowed_types)
+ {
+ foreach ($allowed_types as $pair) {
+ list($assoc_type, $session_type) = $pair;
+ if (!Auth_OpenID_checkSessionType($assoc_type, $session_type)) {
+ return false;
+ }
+ }
+
+ $this->allowed_types = $allowed_types;
+ return true;
+ }
+
+ /**
+ * Add an association type and session type to the allowed types
+ * list. The assocation/session pairs are tried in the order that
+ * they are added.
+ *
+ * @access private
+ */
+ function addAllowedType($assoc_type, $session_type = null)
+ {
+ if ($this->allowed_types === null) {
+ $this->allowed_types = array();
+ }
+
+ if ($session_type === null) {
+ $available = Auth_OpenID_getSessionTypes($assoc_type);
+
+ if (!$available) {
+ return false;
+ }
+
+ foreach ($available as $session_type) {
+ $this->addAllowedType($assoc_type, $session_type);
+ }
+ } else {
+ if (Auth_OpenID_checkSessionType($assoc_type, $session_type)) {
+ $this->allowed_types[] = array($assoc_type, $session_type);
+ } else {
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+ // Is this combination of association type and session type allowed?
+ function isAllowed($assoc_type, $session_type)
+ {
+ $assoc_good = in_array(array($assoc_type, $session_type),
+ $this->allowed_types);
+
+ $matches = in_array($session_type,
+ Auth_OpenID_getSessionTypes($assoc_type));
+
+ return ($assoc_good && $matches);
+ }
+
+ /**
+ * Get a pair of assocation type and session type that are
+ * supported.
+ */
+ function getAllowedType()
+ {
+ if (!$this->allowed_types) {
+ return array(null, null);
+ }
+
+ return $this->allowed_types[0];
+ }
+}
+
diff --git a/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/BigMath.php b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/BigMath.php
new file mode 100644
index 0000000..58b46bf
--- /dev/null
+++ b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/BigMath.php
@@ -0,0 +1,451 @@
+<?php
+
+/**
+ * BigMath: A math library wrapper that abstracts out the underlying
+ * long integer library.
+ *
+ * PHP versions 4 and 5
+ *
+ * LICENSE: See the COPYING file included in this distribution.
+ *
+ * @access private
+ * @package OpenID
+ * @author JanRain, Inc. <openid@janrain.com>
+ * @copyright 2005-2008 Janrain, Inc.
+ * @license http://www.apache.org/licenses/LICENSE-2.0 Apache
+ */
+
+/**
+ * Needed for random number generation
+ */
+require_once 'Auth/OpenID/CryptUtil.php';
+
+/**
+ * Need Auth_OpenID::bytes().
+ */
+require_once 'Auth/OpenID.php';
+
+/**
+ * The superclass of all big-integer math implementations
+ * @access private
+ * @package OpenID
+ */
+class Auth_OpenID_MathLibrary {
+ /**
+ * Given a long integer, returns the number converted to a binary
+ * string. This function accepts long integer values of arbitrary
+ * magnitude and uses the local large-number math library when
+ * available.
+ *
+ * @param integer $long The long number (can be a normal PHP
+ * integer or a number created by one of the available long number
+ * libraries)
+ * @return string $binary The binary version of $long
+ */
+ function longToBinary($long)
+ {
+ $cmp = $this->cmp($long, 0);
+ if ($cmp < 0) {
+ $msg = __FUNCTION__ . " takes only positive integers.";
+ trigger_error($msg, E_USER_ERROR);
+ return null;
+ }
+
+ if ($cmp == 0) {
+ return "\x00";
+ }
+
+ $bytes = array();
+
+ while ($this->cmp($long, 0) > 0) {
+ array_unshift($bytes, $this->mod($long, 256));
+ $long = $this->div($long, pow(2, 8));
+ }
+
+ if ($bytes && ($bytes[0] > 127)) {
+ array_unshift($bytes, 0);
+ }
+
+ $string = '';
+ foreach ($bytes as $byte) {
+ $string .= pack('C', $byte);
+ }
+
+ return $string;
+ }
+
+ /**
+ * Given a binary string, returns the binary string converted to a
+ * long number.
+ *
+ * @param string $binary The binary version of a long number,
+ * probably as a result of calling longToBinary
+ * @return integer $long The long number equivalent of the binary
+ * string $str
+ */
+ function binaryToLong($str)
+ {
+ if ($str === null) {
+ return null;
+ }
+
+ // Use array_merge to return a zero-indexed array instead of a
+ // one-indexed array.
+ $bytes = array_merge(unpack('C*', $str));
+
+ $n = $this->init(0);
+
+ if ($bytes && ($bytes[0] > 127)) {
+ trigger_error("bytesToNum works only for positive integers.",
+ E_USER_WARNING);
+ return null;
+ }
+
+ foreach ($bytes as $byte) {
+ $n = $this->mul($n, pow(2, 8));
+ $n = $this->add($n, $byte);
+ }
+
+ return $n;
+ }
+
+ function base64ToLong($str)
+ {
+ $b64 = base64_decode($str);
+
+ if ($b64 === false) {
+ return false;
+ }
+
+ return $this->binaryToLong($b64);
+ }
+
+ function longToBase64($str)
+ {
+ return base64_encode($this->longToBinary($str));
+ }
+
+ /**
+ * Returns a random number in the specified range. This function
+ * accepts $start, $stop, and $step values of arbitrary magnitude
+ * and will utilize the local large-number math library when
+ * available.
+ *
+ * @param integer $start The start of the range, or the minimum
+ * random number to return
+ * @param integer $stop The end of the range, or the maximum
+ * random number to return
+ * @param integer $step The step size, such that $result - ($step
+ * * N) = $start for some N
+ * @return integer $result The resulting randomly-generated number
+ */
+ function rand($stop)
+ {
+ static $duplicate_cache = array();
+
+ // Used as the key for the duplicate cache
+ $rbytes = $this->longToBinary($stop);
+
+ if (array_key_exists($rbytes, $duplicate_cache)) {
+ list($duplicate, $nbytes) = $duplicate_cache[$rbytes];
+ } else {
+ if ($rbytes[0] == "\x00") {
+ $nbytes = Auth_OpenID::bytes($rbytes) - 1;
+ } else {
+ $nbytes = Auth_OpenID::bytes($rbytes);
+ }
+
+ $mxrand = $this->pow(256, $nbytes);
+
+ // If we get a number less than this, then it is in the
+ // duplicated range.
+ $duplicate = $this->mod($mxrand, $stop);
+
+ if (count($duplicate_cache) > 10) {
+ $duplicate_cache = array();
+ }
+
+ $duplicate_cache[$rbytes] = array($duplicate, $nbytes);
+ }
+
+ do {
+ $bytes = "\x00" . Auth_OpenID_CryptUtil::getBytes($nbytes);
+ $n = $this->binaryToLong($bytes);
+ // Keep looping if this value is in the low duplicated range
+ } while ($this->cmp($n, $duplicate) < 0);
+
+ return $this->mod($n, $stop);
+ }
+}
+
+/**
+ * Exposes BCmath math library functionality.
+ *
+ * {@link Auth_OpenID_BcMathWrapper} wraps the functionality provided
+ * by the BCMath extension.
+ *
+ * @access private
+ * @package OpenID
+ */
+class Auth_OpenID_BcMathWrapper extends Auth_OpenID_MathLibrary{
+ var $type = 'bcmath';
+
+ function add($x, $y)
+ {
+ return bcadd($x, $y);
+ }
+
+ function sub($x, $y)
+ {
+ return bcsub($x, $y);
+ }
+
+ function pow($base, $exponent)
+ {
+ return bcpow($base, $exponent);
+ }
+
+ function cmp($x, $y)
+ {
+ return bccomp($x, $y);
+ }
+
+ function init($number, $base = 10)
+ {
+ return $number;
+ }
+
+ function mod($base, $modulus)
+ {
+ return bcmod($base, $modulus);
+ }
+
+ function mul($x, $y)
+ {
+ return bcmul($x, $y);
+ }
+
+ function div($x, $y)
+ {
+ return bcdiv($x, $y);
+ }
+
+ /**
+ * Same as bcpowmod when bcpowmod is missing
+ *
+ * @access private
+ */
+ function _powmod($base, $exponent, $modulus)
+ {
+ $square = $this->mod($base, $modulus);
+ $result = 1;
+ while($this->cmp($exponent, 0) > 0) {
+ if ($this->mod($exponent, 2)) {
+ $result = $this->mod($this->mul($result, $square), $modulus);
+ }
+ $square = $this->mod($this->mul($square, $square), $modulus);
+ $exponent = $this->div($exponent, 2);
+ }
+ return $result;
+ }
+
+ function powmod($base, $exponent, $modulus)
+ {
+ if (function_exists('bcpowmod')) {
+ return bcpowmod($base, $exponent, $modulus);
+ } else {
+ return $this->_powmod($base, $exponent, $modulus);
+ }
+ }
+
+ function toString($num)
+ {
+ return $num;
+ }
+}
+
+/**
+ * Exposes GMP math library functionality.
+ *
+ * {@link Auth_OpenID_GmpMathWrapper} wraps the functionality provided
+ * by the GMP extension.
+ *
+ * @access private
+ * @package OpenID
+ */
+class Auth_OpenID_GmpMathWrapper extends Auth_OpenID_MathLibrary{
+ var $type = 'gmp';
+
+ function add($x, $y)
+ {
+ return gmp_add($x, $y);
+ }
+
+ function sub($x, $y)
+ {
+ return gmp_sub($x, $y);
+ }
+
+ function pow($base, $exponent)
+ {
+ return gmp_pow($base, $exponent);
+ }
+
+ function cmp($x, $y)
+ {
+ return gmp_cmp($x, $y);
+ }
+
+ function init($number, $base = 10)
+ {
+ return gmp_init($number, $base);
+ }
+
+ function mod($base, $modulus)
+ {
+ return gmp_mod($base, $modulus);
+ }
+
+ function mul($x, $y)
+ {
+ return gmp_mul($x, $y);
+ }
+
+ function div($x, $y)
+ {
+ return gmp_div_q($x, $y);
+ }
+
+ function powmod($base, $exponent, $modulus)
+ {
+ return gmp_powm($base, $exponent, $modulus);
+ }
+
+ function toString($num)
+ {
+ return gmp_strval($num);
+ }
+}
+
+/**
+ * Define the supported extensions. An extension array has keys
+ * 'modules', 'extension', and 'class'. 'modules' is an array of PHP
+ * module names which the loading code will attempt to load. These
+ * values will be suffixed with a library file extension (e.g. ".so").
+ * 'extension' is the name of a PHP extension which will be tested
+ * before 'modules' are loaded. 'class' is the string name of a
+ * {@link Auth_OpenID_MathWrapper} subclass which should be
+ * instantiated if a given extension is present.
+ *
+ * You can define new math library implementations and add them to
+ * this array.
+ */
+function Auth_OpenID_math_extensions()
+{
+ $result = array();
+
+ if (!defined('Auth_OpenID_BUGGY_GMP')) {
+ $result[] =
+ array('modules' => array('gmp', 'php_gmp'),
+ 'extension' => 'gmp',
+ 'class' => 'Auth_OpenID_GmpMathWrapper');
+ }
+
+ $result[] = array('modules' => array('bcmath', 'php_bcmath'),
+ 'extension' => 'bcmath',
+ 'class' => 'Auth_OpenID_BcMathWrapper');
+
+ return $result;
+}
+
+/**
+ * Detect which (if any) math library is available
+ */
+function Auth_OpenID_detectMathLibrary($exts)
+{
+ $loaded = false;
+
+ foreach ($exts as $extension) {
+ if (extension_loaded($extension['extension'])) {
+ return $extension;
+ }
+ }
+
+ return false;
+}
+
+/**
+ * {@link Auth_OpenID_getMathLib} checks for the presence of long
+ * number extension modules and returns an instance of
+ * {@link Auth_OpenID_MathWrapper} which exposes the module's
+ * functionality.
+ *
+ * Checks for the existence of an extension module described by the
+ * result of {@link Auth_OpenID_math_extensions()} and returns an
+ * instance of a wrapper for that extension module. If no extension
+ * module is found, an instance of {@link Auth_OpenID_MathWrapper} is
+ * returned, which wraps the native PHP integer implementation. The
+ * proper calling convention for this method is $lib =
+ * Auth_OpenID_getMathLib().
+ *
+ * This function checks for the existence of specific long number
+ * implementations in the following order: GMP followed by BCmath.
+ *
+ * @return Auth_OpenID_MathWrapper $instance An instance of
+ * {@link Auth_OpenID_MathWrapper} or one of its subclasses
+ *
+ * @package OpenID
+ */
+function Auth_OpenID_getMathLib()
+{
+ // The instance of Auth_OpenID_MathWrapper that we choose to
+ // supply will be stored here, so that subseqent calls to this
+ // method will return a reference to the same object.
+ static $lib = null;
+
+ if (isset($lib)) {
+ return $lib;
+ }
+
+ if (Auth_OpenID_noMathSupport()) {
+ $null = null;
+ return $null;
+ }
+
+ // If this method has not been called before, look at
+ // Auth_OpenID_math_extensions and try to find an extension that
+ // works.
+ $ext = Auth_OpenID_detectMathLibrary(Auth_OpenID_math_extensions());
+ if ($ext === false) {
+ $tried = array();
+ foreach (Auth_OpenID_math_extensions() as $extinfo) {
+ $tried[] = $extinfo['extension'];
+ }
+ $triedstr = implode(", ", $tried);
+
+ Auth_OpenID_setNoMathSupport();
+
+ $result = null;
+ return $result;
+ }
+
+ // Instantiate a new wrapper
+ $class = $ext['class'];
+ $lib = new $class();
+
+ return $lib;
+}
+
+function Auth_OpenID_setNoMathSupport()
+{
+ if (!defined('Auth_OpenID_NO_MATH_SUPPORT')) {
+ define('Auth_OpenID_NO_MATH_SUPPORT', true);
+ }
+}
+
+function Auth_OpenID_noMathSupport()
+{
+ return defined('Auth_OpenID_NO_MATH_SUPPORT');
+}
+
+
diff --git a/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/Consumer.php b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/Consumer.php
new file mode 100644
index 0000000..d562e33
--- /dev/null
+++ b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/Consumer.php
@@ -0,0 +1,2236 @@
+<?php
+
+/**
+ * This module documents the main interface with the OpenID consumer
+ * library. The only part of the library which has to be used and
+ * isn't documented in full here is the store required to create an
+ * Auth_OpenID_Consumer instance. More on the abstract store type and
+ * concrete implementations of it that are provided in the
+ * documentation for the Auth_OpenID_Consumer constructor.
+ *
+ * OVERVIEW
+ *
+ * The OpenID identity verification process most commonly uses the
+ * following steps, as visible to the user of this library:
+ *
+ * 1. The user enters their OpenID into a field on the consumer's
+ * site, and hits a login button.
+ * 2. The consumer site discovers the user's OpenID server using the
+ * YADIS protocol.
+ * 3. The consumer site sends the browser a redirect to the identity
+ * server. This is the authentication request as described in
+ * the OpenID specification.
+ * 4. The identity server's site sends the browser a redirect back
+ * to the consumer site. This redirect contains the server's
+ * response to the authentication request.
+ *
+ * The most important part of the flow to note is the consumer's site
+ * must handle two separate HTTP requests in order to perform the full
+ * identity check.
+ *
+ * LIBRARY DESIGN
+ *
+ * This consumer library is designed with that flow in mind. The goal
+ * is to make it as easy as possible to perform the above steps
+ * securely.
+ *
+ * At a high level, there are two important parts in the consumer
+ * library. The first important part is this module, which contains
+ * the interface to actually use this library. The second is the
+ * Auth_OpenID_Interface class, which describes the interface to use
+ * if you need to create a custom method for storing the state this
+ * library needs to maintain between requests.
+ *
+ * In general, the second part is less important for users of the
+ * library to know about, as several implementations are provided
+ * which cover a wide variety of situations in which consumers may use
+ * the library.
+ *
+ * This module contains a class, Auth_OpenID_Consumer, with methods
+ * corresponding to the actions necessary in each of steps 2, 3, and 4
+ * described in the overview. Use of this library should be as easy
+ * as creating an Auth_OpenID_Consumer instance and calling the
+ * methods appropriate for the action the site wants to take.
+ *
+ * STORES AND DUMB MODE
+ *
+ * OpenID is a protocol that works best when the consumer site is able
+ * to store some state. This is the normal mode of operation for the
+ * protocol, and is sometimes referred to as smart mode. There is
+ * also a fallback mode, known as dumb mode, which is available when
+ * the consumer site is not able to store state. This mode should be
+ * avoided when possible, as it leaves the implementation more
+ * vulnerable to replay attacks.
+ *
+ * The mode the library works in for normal operation is determined by
+ * the store that it is given. The store is an abstraction that
+ * handles the data that the consumer needs to manage between http
+ * requests in order to operate efficiently and securely.
+ *
+ * Several store implementation are provided, and the interface is
+ * fully documented so that custom stores can be used as well. See
+ * the documentation for the Auth_OpenID_Consumer class for more
+ * information on the interface for stores. The implementations that
+ * are provided allow the consumer site to store the necessary data in
+ * several different ways, including several SQL databases and normal
+ * files on disk.
+ *
+ * There is an additional concrete store provided that puts the system
+ * in dumb mode. This is not recommended, as it removes the library's
+ * ability to stop replay attacks reliably. It still uses time-based
+ * checking to make replay attacks only possible within a small
+ * window, but they remain possible within that window. This store
+ * should only be used if the consumer site has no way to retain data
+ * between requests at all.
+ *
+ * IMMEDIATE MODE
+ *
+ * In the flow described above, the user may need to confirm to the
+ * lidentity server that it's ok to authorize his or her identity.
+ * The server may draw pages asking for information from the user
+ * before it redirects the browser back to the consumer's site. This
+ * is generally transparent to the consumer site, so it is typically
+ * ignored as an implementation detail.
+ *
+ * There can be times, however, where the consumer site wants to get a
+ * response immediately. When this is the case, the consumer can put
+ * the library in immediate mode. In immediate mode, there is an
+ * extra response possible from the server, which is essentially the
+ * server reporting that it doesn't have enough information to answer
+ * the question yet.
+ *
+ * USING THIS LIBRARY
+ *
+ * Integrating this library into an application is usually a
+ * relatively straightforward process. The process should basically
+ * follow this plan:
+ *
+ * Add an OpenID login field somewhere on your site. When an OpenID
+ * is entered in that field and the form is submitted, it should make
+ * a request to the your site which includes that OpenID URL.
+ *
+ * First, the application should instantiate the Auth_OpenID_Consumer
+ * class using the store of choice (Auth_OpenID_FileStore or one of
+ * the SQL-based stores). If the application has a custom
+ * session-management implementation, an object implementing the
+ * {@link Auth_Yadis_PHPSession} interface should be passed as the
+ * second parameter. Otherwise, the default uses $_SESSION.
+ *
+ * Next, the application should call the Auth_OpenID_Consumer object's
+ * 'begin' method. This method takes the OpenID URL. The 'begin'
+ * method returns an Auth_OpenID_AuthRequest object.
+ *
+ * Next, the application should call the 'redirectURL' method of the
+ * Auth_OpenID_AuthRequest object. The 'return_to' URL parameter is
+ * the URL that the OpenID server will send the user back to after
+ * attempting to verify his or her identity. The 'trust_root' is the
+ * URL (or URL pattern) that identifies your web site to the user when
+ * he or she is authorizing it. Send a redirect to the resulting URL
+ * to the user's browser.
+ *
+ * That's the first half of the authentication process. The second
+ * half of the process is done after the user's ID server sends the
+ * user's browser a redirect back to your site to complete their
+ * login.
+ *
+ * When that happens, the user will contact your site at the URL given
+ * as the 'return_to' URL to the Auth_OpenID_AuthRequest::redirectURL
+ * call made above. The request will have several query parameters
+ * added to the URL by the identity server as the information
+ * necessary to finish the request.
+ *
+ * Lastly, instantiate an Auth_OpenID_Consumer instance as above and
+ * call its 'complete' method, passing in all the received query
+ * arguments.
+ *
+ * There are multiple possible return types possible from that
+ * method. These indicate the whether or not the login was successful,
+ * and include any additional information appropriate for their type.
+ *
+ * PHP versions 4 and 5
+ *
+ * LICENSE: See the COPYING file included in this distribution.
+ *
+ * @package OpenID
+ * @author JanRain, Inc. <openid@janrain.com>
+ * @copyright 2005-2008 Janrain, Inc.
+ * @license http://www.apache.org/licenses/LICENSE-2.0 Apache
+ */
+
+/**
+ * Require utility classes and functions for the consumer.
+ */
+require_once "Auth/OpenID.php";
+require_once "Auth/OpenID/Message.php";
+require_once "Auth/OpenID/HMAC.php";
+require_once "Auth/OpenID/Association.php";
+require_once "Auth/OpenID/CryptUtil.php";
+require_once "Auth/OpenID/DiffieHellman.php";
+require_once "Auth/OpenID/KVForm.php";
+require_once "Auth/OpenID/Nonce.php";
+require_once "Auth/OpenID/Discover.php";
+require_once "Auth/OpenID/URINorm.php";
+require_once "Auth/Yadis/Manager.php";
+require_once "Auth/Yadis/XRI.php";
+
+/**
+ * This is the status code returned when the complete method returns
+ * successfully.
+ */
+define('Auth_OpenID_SUCCESS', 'success');
+
+/**
+ * Status to indicate cancellation of OpenID authentication.
+ */
+define('Auth_OpenID_CANCEL', 'cancel');
+
+/**
+ * This is the status code completeAuth returns when the value it
+ * received indicated an invalid login.
+ */
+define('Auth_OpenID_FAILURE', 'failure');
+
+/**
+ * This is the status code completeAuth returns when the
+ * {@link Auth_OpenID_Consumer} instance is in immediate mode, and the
+ * identity server sends back a URL to send the user to to complete his
+ * or her login.
+ */
+define('Auth_OpenID_SETUP_NEEDED', 'setup needed');
+
+/**
+ * This is the status code beginAuth returns when the page fetched
+ * from the entered OpenID URL doesn't contain the necessary link tags
+ * to function as an identity page.
+ */
+define('Auth_OpenID_PARSE_ERROR', 'parse error');
+
+/**
+ * An OpenID consumer implementation that performs discovery and does
+ * session management. See the Consumer.php file documentation for
+ * more information.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_Consumer {
+
+ /**
+ * @access private
+ */
+ var $discoverMethod = 'Auth_OpenID_discover';
+
+ /**
+ * @access private
+ */
+ var $session_key_prefix = "_openid_consumer_";
+
+ /**
+ * @access private
+ */
+ var $_token_suffix = "last_token";
+
+ /**
+ * Initialize a Consumer instance.
+ *
+ * You should create a new instance of the Consumer object with
+ * every HTTP request that handles OpenID transactions.
+ *
+ * @param Auth_OpenID_OpenIDStore $store This must be an object
+ * that implements the interface in {@link
+ * Auth_OpenID_OpenIDStore}. Several concrete implementations are
+ * provided, to cover most common use cases. For stores backed by
+ * MySQL, PostgreSQL, or SQLite, see the {@link
+ * Auth_OpenID_SQLStore} class and its sublcasses. For a
+ * filesystem-backed store, see the {@link Auth_OpenID_FileStore}
+ * module. As a last resort, if it isn't possible for the server
+ * to store state at all, an instance of {@link
+ * Auth_OpenID_DumbStore} can be used.
+ *
+ * @param mixed $session An object which implements the interface
+ * of the {@link Auth_Yadis_PHPSession} class. Particularly, this
+ * object is expected to have these methods: get($key), set($key),
+ * $value), and del($key). This defaults to a session object
+ * which wraps PHP's native session machinery. You should only
+ * need to pass something here if you have your own sessioning
+ * implementation.
+ *
+ * @param str $consumer_cls The name of the class to instantiate
+ * when creating the internal consumer object. This is used for
+ * testing.
+ */
+ function Auth_OpenID_Consumer($store, $session = null,
+ $consumer_cls = null)
+ {
+ if ($session === null) {
+ $session = new Auth_Yadis_PHPSession();
+ }
+
+ $this->session = $session;
+
+ if ($consumer_cls !== null) {
+ $this->consumer = new $consumer_cls($store);
+ } else {
+ $this->consumer = new Auth_OpenID_GenericConsumer($store);
+ }
+
+ $this->_token_key = $this->session_key_prefix . $this->_token_suffix;
+ }
+
+ /**
+ * Used in testing to define the discovery mechanism.
+ *
+ * @access private
+ */
+ function getDiscoveryObject($session, $openid_url,
+ $session_key_prefix)
+ {
+ return new Auth_Yadis_Discovery($session, $openid_url,
+ $session_key_prefix);
+ }
+
+ /**
+ * Start the OpenID authentication process. See steps 1-2 in the
+ * overview at the top of this file.
+ *
+ * @param string $user_url Identity URL given by the user. This
+ * method performs a textual transformation of the URL to try and
+ * make sure it is normalized. For example, a user_url of
+ * example.com will be normalized to http://example.com/
+ * normalizing and resolving any redirects the server might issue.
+ *
+ * @param bool $anonymous True if the OpenID request is to be sent
+ * to the server without any identifier information. Use this
+ * when you want to transport data but don't want to do OpenID
+ * authentication with identifiers.
+ *
+ * @return Auth_OpenID_AuthRequest $auth_request An object
+ * containing the discovered information will be returned, with a
+ * method for building a redirect URL to the server, as described
+ * in step 3 of the overview. This object may also be used to add
+ * extension arguments to the request, using its 'addExtensionArg'
+ * method.
+ */
+ function begin($user_url, $anonymous=false)
+ {
+ $openid_url = $user_url;
+
+ $disco = $this->getDiscoveryObject($this->session,
+ $openid_url,
+ $this->session_key_prefix);
+
+ // Set the 'stale' attribute of the manager. If discovery
+ // fails in a fatal way, the stale flag will cause the manager
+ // to be cleaned up next time discovery is attempted.
+
+ $m = $disco->getManager();
+ $loader = new Auth_Yadis_ManagerLoader();
+
+ if ($m) {
+ if ($m->stale) {
+ $disco->destroyManager();
+ } else {
+ $m->stale = true;
+ $disco->session->set($disco->session_key,
+ serialize($loader->toSession($m)));
+ }
+ }
+
+ $endpoint = $disco->getNextService($this->discoverMethod,
+ $this->consumer->fetcher);
+
+ // Reset the 'stale' attribute of the manager.
+ $m = $disco->getManager();
+ if ($m) {
+ $m->stale = false;
+ $disco->session->set($disco->session_key,
+ serialize($loader->toSession($m)));
+ }
+
+ if ($endpoint === null) {
+ return null;
+ } else {
+ return $this->beginWithoutDiscovery($endpoint,
+ $anonymous);
+ }
+ }
+
+ /**
+ * Start OpenID verification without doing OpenID server
+ * discovery. This method is used internally by Consumer.begin
+ * after discovery is performed, and exists to provide an
+ * interface for library users needing to perform their own
+ * discovery.
+ *
+ * @param Auth_OpenID_ServiceEndpoint $endpoint an OpenID service
+ * endpoint descriptor.
+ *
+ * @param bool anonymous Set to true if you want to perform OpenID
+ * without identifiers.
+ *
+ * @return Auth_OpenID_AuthRequest $auth_request An OpenID
+ * authentication request object.
+ */
+ function beginWithoutDiscovery($endpoint, $anonymous=false)
+ {
+ $loader = new Auth_OpenID_ServiceEndpointLoader();
+ $auth_req = $this->consumer->begin($endpoint);
+ $this->session->set($this->_token_key,
+ $loader->toSession($auth_req->endpoint));
+ if (!$auth_req->setAnonymous($anonymous)) {
+ return new Auth_OpenID_FailureResponse(null,
+ "OpenID 1 requests MUST include the identifier " .
+ "in the request.");
+ }
+ return $auth_req;
+ }
+
+ /**
+ * Called to interpret the server's response to an OpenID
+ * request. It is called in step 4 of the flow described in the
+ * consumer overview.
+ *
+ * @param string $current_url The URL used to invoke the application.
+ * Extract the URL from your application's web
+ * request framework and specify it here to have it checked
+ * against the openid.current_url value in the response. If
+ * the current_url URL check fails, the status of the
+ * completion will be FAILURE.
+ *
+ * @param array $query An array of the query parameters (key =>
+ * value pairs) for this HTTP request. Defaults to null. If
+ * null, the GET or POST data are automatically gotten from the
+ * PHP environment. It is only useful to override $query for
+ * testing.
+ *
+ * @return Auth_OpenID_ConsumerResponse $response A instance of an
+ * Auth_OpenID_ConsumerResponse subclass. The type of response is
+ * indicated by the status attribute, which will be one of
+ * SUCCESS, CANCEL, FAILURE, or SETUP_NEEDED.
+ */
+ function complete($current_url, $query=null)
+ {
+ if ($current_url && !is_string($current_url)) {
+ // This is ugly, but we need to complain loudly when
+ // someone uses the API incorrectly.
+ trigger_error("current_url must be a string; see NEWS file " .
+ "for upgrading notes.",
+ E_USER_ERROR);
+ }
+
+ if ($query === null) {
+ $query = Auth_OpenID::getQuery();
+ }
+
+ $loader = new Auth_OpenID_ServiceEndpointLoader();
+ $endpoint_data = $this->session->get($this->_token_key);
+ $endpoint =
+ $loader->fromSession($endpoint_data);
+
+ $message = Auth_OpenID_Message::fromPostArgs($query);
+ $response = $this->consumer->complete($message, $endpoint,
+ $current_url);
+ $this->session->del($this->_token_key);
+
+ if (in_array($response->status, array(Auth_OpenID_SUCCESS,
+ Auth_OpenID_CANCEL))) {
+ if ($response->identity_url !== null) {
+ $disco = $this->getDiscoveryObject($this->session,
+ $response->identity_url,
+ $this->session_key_prefix);
+ $disco->cleanup(true);
+ }
+ }
+
+ return $response;
+ }
+}
+
+/**
+ * A class implementing HMAC/DH-SHA1 consumer sessions.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_DiffieHellmanSHA1ConsumerSession {
+ var $session_type = 'DH-SHA1';
+ var $hash_func = 'Auth_OpenID_SHA1';
+ var $secret_size = 20;
+ var $allowed_assoc_types = array('HMAC-SHA1');
+
+ function Auth_OpenID_DiffieHellmanSHA1ConsumerSession($dh = null)
+ {
+ if ($dh === null) {
+ $dh = new Auth_OpenID_DiffieHellman();
+ }
+
+ $this->dh = $dh;
+ }
+
+ function getRequest()
+ {
+ $math = Auth_OpenID_getMathLib();
+
+ $cpub = $math->longToBase64($this->dh->public);
+
+ $args = array('dh_consumer_public' => $cpub);
+
+ if (!$this->dh->usingDefaultValues()) {
+ $args = array_merge($args, array(
+ 'dh_modulus' =>
+ $math->longToBase64($this->dh->mod),
+ 'dh_gen' =>
+ $math->longToBase64($this->dh->gen)));
+ }
+
+ return $args;
+ }
+
+ function extractSecret($response)
+ {
+ if (!$response->hasKey(Auth_OpenID_OPENID_NS,
+ 'dh_server_public')) {
+ return null;
+ }
+
+ if (!$response->hasKey(Auth_OpenID_OPENID_NS,
+ 'enc_mac_key')) {
+ return null;
+ }
+
+ $math = Auth_OpenID_getMathLib();
+
+ $spub = $math->base64ToLong($response->getArg(Auth_OpenID_OPENID_NS,
+ 'dh_server_public'));
+ $enc_mac_key = base64_decode($response->getArg(Auth_OpenID_OPENID_NS,
+ 'enc_mac_key'));
+
+ return $this->dh->xorSecret($spub, $enc_mac_key, $this->hash_func);
+ }
+}
+
+/**
+ * A class implementing HMAC/DH-SHA256 consumer sessions.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_DiffieHellmanSHA256ConsumerSession extends
+ Auth_OpenID_DiffieHellmanSHA1ConsumerSession {
+ var $session_type = 'DH-SHA256';
+ var $hash_func = 'Auth_OpenID_SHA256';
+ var $secret_size = 32;
+ var $allowed_assoc_types = array('HMAC-SHA256');
+}
+
+/**
+ * A class implementing plaintext consumer sessions.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_PlainTextConsumerSession {
+ var $session_type = 'no-encryption';
+ var $allowed_assoc_types = array('HMAC-SHA1', 'HMAC-SHA256');
+
+ function getRequest()
+ {
+ return array();
+ }
+
+ function extractSecret($response)
+ {
+ if (!$response->hasKey(Auth_OpenID_OPENID_NS, 'mac_key')) {
+ return null;
+ }
+
+ return base64_decode($response->getArg(Auth_OpenID_OPENID_NS,
+ 'mac_key'));
+ }
+}
+
+/**
+ * Returns available session types.
+ */
+function Auth_OpenID_getAvailableSessionTypes()
+{
+ $types = array(
+ 'no-encryption' => 'Auth_OpenID_PlainTextConsumerSession',
+ 'DH-SHA1' => 'Auth_OpenID_DiffieHellmanSHA1ConsumerSession',
+ 'DH-SHA256' => 'Auth_OpenID_DiffieHellmanSHA256ConsumerSession');
+
+ return $types;
+}
+
+/**
+ * This class is the interface to the OpenID consumer logic.
+ * Instances of it maintain no per-request state, so they can be
+ * reused (or even used by multiple threads concurrently) as needed.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_GenericConsumer {
+ /**
+ * @access private
+ */
+ var $discoverMethod = 'Auth_OpenID_discover';
+
+ /**
+ * This consumer's store object.
+ */
+ var $store;
+
+ /**
+ * @access private
+ */
+ var $_use_assocs;
+
+ /**
+ * @access private
+ */
+ var $openid1_nonce_query_arg_name = 'janrain_nonce';
+
+ /**
+ * Another query parameter that gets added to the return_to for
+ * OpenID 1; if the user's session state is lost, use this claimed
+ * identifier to do discovery when verifying the response.
+ */
+ var $openid1_return_to_identifier_name = 'openid1_claimed_id';
+
+ /**
+ * This method initializes a new {@link Auth_OpenID_Consumer}
+ * instance to access the library.
+ *
+ * @param Auth_OpenID_OpenIDStore $store This must be an object
+ * that implements the interface in {@link Auth_OpenID_OpenIDStore}.
+ * Several concrete implementations are provided, to cover most common use
+ * cases. For stores backed by MySQL, PostgreSQL, or SQLite, see
+ * the {@link Auth_OpenID_SQLStore} class and its sublcasses. For a
+ * filesystem-backed store, see the {@link Auth_OpenID_FileStore} module.
+ * As a last resort, if it isn't possible for the server to store
+ * state at all, an instance of {@link Auth_OpenID_DumbStore} can be used.
+ *
+ * @param bool $immediate This is an optional boolean value. It
+ * controls whether the library uses immediate mode, as explained
+ * in the module description. The default value is False, which
+ * disables immediate mode.
+ */
+ function Auth_OpenID_GenericConsumer($store)
+ {
+ $this->store = $store;
+ $this->negotiator = Auth_OpenID_getDefaultNegotiator();
+ $this->_use_assocs = (is_null($this->store) ? false : true);
+
+ $this->fetcher = Auth_Yadis_Yadis::getHTTPFetcher();
+
+ $this->session_types = Auth_OpenID_getAvailableSessionTypes();
+ }
+
+ /**
+ * Called to begin OpenID authentication using the specified
+ * {@link Auth_OpenID_ServiceEndpoint}.
+ *
+ * @access private
+ */
+ function begin($service_endpoint)
+ {
+ $assoc = $this->_getAssociation($service_endpoint);
+ $r = new Auth_OpenID_AuthRequest($service_endpoint, $assoc);
+ $r->return_to_args[$this->openid1_nonce_query_arg_name] =
+ Auth_OpenID_mkNonce();
+
+ if ($r->message->isOpenID1()) {
+ $r->return_to_args[$this->openid1_return_to_identifier_name] =
+ $r->endpoint->claimed_id;
+ }
+
+ return $r;
+ }
+
+ /**
+ * Given an {@link Auth_OpenID_Message}, {@link
+ * Auth_OpenID_ServiceEndpoint} and optional return_to URL,
+ * complete OpenID authentication.
+ *
+ * @access private
+ */
+ function complete($message, $endpoint, $return_to)
+ {
+ $mode = $message->getArg(Auth_OpenID_OPENID_NS, 'mode',
+ '<no mode set>');
+
+ $mode_methods = array(
+ 'cancel' => '_complete_cancel',
+ 'error' => '_complete_error',
+ 'setup_needed' => '_complete_setup_needed',
+ 'id_res' => '_complete_id_res',
+ );
+
+ $method = Auth_OpenID::arrayGet($mode_methods, $mode,
+ '_completeInvalid');
+
+ return call_user_func_array(array($this, $method),
+ array($message, &$endpoint, $return_to));
+ }
+
+ /**
+ * @access private
+ */
+ function _completeInvalid($message, $endpoint, $unused)
+ {
+ $mode = $message->getArg(Auth_OpenID_OPENID_NS, 'mode',
+ '<No mode set>');
+
+ return new Auth_OpenID_FailureResponse($endpoint,
+ sprintf("Invalid openid.mode '%s'", $mode));
+ }
+
+ /**
+ * @access private
+ */
+ function _complete_cancel($message, $endpoint, $unused)
+ {
+ return new Auth_OpenID_CancelResponse($endpoint);
+ }
+
+ /**
+ * @access private
+ */
+ function _complete_error($message, $endpoint, $unused)
+ {
+ $error = $message->getArg(Auth_OpenID_OPENID_NS, 'error');
+ $contact = $message->getArg(Auth_OpenID_OPENID_NS, 'contact');
+ $reference = $message->getArg(Auth_OpenID_OPENID_NS, 'reference');
+
+ return new Auth_OpenID_FailureResponse($endpoint, $error,
+ $contact, $reference);
+ }
+
+ /**
+ * @access private
+ */
+ function _complete_setup_needed($message, $endpoint, $unused)
+ {
+ if (!$message->isOpenID2()) {
+ return $this->_completeInvalid($message, $endpoint);
+ }
+
+ $user_setup_url = $message->getArg(Auth_OpenID_OPENID2_NS,
+ 'user_setup_url');
+ return new Auth_OpenID_SetupNeededResponse($endpoint, $user_setup_url);
+ }
+
+ /**
+ * @access private
+ */
+ function _complete_id_res($message, $endpoint, $return_to)
+ {
+ $user_setup_url = $message->getArg(Auth_OpenID_OPENID1_NS,
+ 'user_setup_url');
+
+ if ($this->_checkSetupNeeded($message)) {
+ return new Auth_OpenID_SetupNeededResponse(
+ $endpoint, $user_setup_url);
+ } else {
+ return $this->_doIdRes($message, $endpoint, $return_to);
+ }
+ }
+
+ /**
+ * @access private
+ */
+ function _checkSetupNeeded($message)
+ {
+ // In OpenID 1, we check to see if this is a cancel from
+ // immediate mode by the presence of the user_setup_url
+ // parameter.
+ if ($message->isOpenID1()) {
+ $user_setup_url = $message->getArg(Auth_OpenID_OPENID1_NS,
+ 'user_setup_url');
+ if ($user_setup_url !== null) {
+ return true;
+ }
+ }
+
+ return false;
+ }
+
+ /**
+ * @access private
+ */
+ function _doIdRes($message, $endpoint, $return_to)
+ {
+ // Checks for presence of appropriate fields (and checks
+ // signed list fields)
+ $result = $this->_idResCheckForFields($message);
+
+ if (Auth_OpenID::isFailure($result)) {
+ return $result;
+ }
+
+ if (!$this->_checkReturnTo($message, $return_to)) {
+ return new Auth_OpenID_FailureResponse(null,
+ sprintf("return_to does not match return URL. Expected %s, got %s",
+ $return_to,
+ $message->getArg(Auth_OpenID_OPENID_NS, 'return_to')));
+ }
+
+ // Verify discovery information:
+ $result = $this->_verifyDiscoveryResults($message, $endpoint);
+
+ if (Auth_OpenID::isFailure($result)) {
+ return $result;
+ }
+
+ $endpoint = $result;
+
+ $result = $this->_idResCheckSignature($message,
+ $endpoint->server_url);
+
+ if (Auth_OpenID::isFailure($result)) {
+ return $result;
+ }
+
+ $result = $this->_idResCheckNonce($message, $endpoint);
+
+ if (Auth_OpenID::isFailure($result)) {
+ return $result;
+ }
+
+ $signed_list_str = $message->getArg(Auth_OpenID_OPENID_NS, 'signed',
+ Auth_OpenID_NO_DEFAULT);
+ if (Auth_OpenID::isFailure($signed_list_str)) {
+ return $signed_list_str;
+ }
+ $signed_list = explode(',', $signed_list_str);
+
+ $signed_fields = Auth_OpenID::addPrefix($signed_list, "openid.");
+
+ return new Auth_OpenID_SuccessResponse($endpoint, $message,
+ $signed_fields);
+
+ }
+
+ /**
+ * @access private
+ */
+ function _checkReturnTo($message, $return_to)
+ {
+ // Check an OpenID message and its openid.return_to value
+ // against a return_to URL from an application. Return True
+ // on success, False on failure.
+
+ // Check the openid.return_to args against args in the
+ // original message.
+ $result = Auth_OpenID_GenericConsumer::_verifyReturnToArgs(
+ $message->toPostArgs());
+ if (Auth_OpenID::isFailure($result)) {
+ return false;
+ }
+
+ // Check the return_to base URL against the one in the
+ // message.
+ $msg_return_to = $message->getArg(Auth_OpenID_OPENID_NS,
+ 'return_to');
+ if (Auth_OpenID::isFailure($return_to)) {
+ // XXX log me
+ return false;
+ }
+
+ $return_to_parts = parse_url(Auth_OpenID_urinorm($return_to));
+ $msg_return_to_parts = parse_url(Auth_OpenID_urinorm($msg_return_to));
+
+ // If port is absent from both, add it so it's equal in the
+ // check below.
+ if ((!array_key_exists('port', $return_to_parts)) &&
+ (!array_key_exists('port', $msg_return_to_parts))) {
+ $return_to_parts['port'] = null;
+ $msg_return_to_parts['port'] = null;
+ }
+
+ // If path is absent from both, add it so it's equal in the
+ // check below.
+ if ((!array_key_exists('path', $return_to_parts)) &&
+ (!array_key_exists('path', $msg_return_to_parts))) {
+ $return_to_parts['path'] = null;
+ $msg_return_to_parts['path'] = null;
+ }
+
+ // The URL scheme, authority, and path MUST be the same
+ // between the two URLs.
+ foreach (array('scheme', 'host', 'port', 'path') as $component) {
+ // If the url component is absent in either URL, fail.
+ // There should always be a scheme, host, port, and path.
+ if (!array_key_exists($component, $return_to_parts)) {
+ return false;
+ }
+
+ if (!array_key_exists($component, $msg_return_to_parts)) {
+ return false;
+ }
+
+ if (Auth_OpenID::arrayGet($return_to_parts, $component) !==
+ Auth_OpenID::arrayGet($msg_return_to_parts, $component)) {
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+ /**
+ * @access private
+ */
+ function _verifyReturnToArgs($query)
+ {
+ // Verify that the arguments in the return_to URL are present in this
+ // response.
+
+ $message = Auth_OpenID_Message::fromPostArgs($query);
+ $return_to = $message->getArg(Auth_OpenID_OPENID_NS, 'return_to');
+
+ if (Auth_OpenID::isFailure($return_to)) {
+ return $return_to;
+ }
+ // XXX: this should be checked by _idResCheckForFields
+ if (!$return_to) {
+ return new Auth_OpenID_FailureResponse(null,
+ "Response has no return_to");
+ }
+
+ $parsed_url = parse_url($return_to);
+
+ $q = array();
+ if (array_key_exists('query', $parsed_url)) {
+ $rt_query = $parsed_url['query'];
+ $q = Auth_OpenID::parse_str($rt_query);
+ }
+
+ foreach ($q as $rt_key => $rt_value) {
+ if (!array_key_exists($rt_key, $query)) {
+ return new Auth_OpenID_FailureResponse(null,
+ sprintf("return_to parameter %s absent from query", $rt_key));
+ } else {
+ $value = $query[$rt_key];
+ if ($rt_value != $value) {
+ return new Auth_OpenID_FailureResponse(null,
+ sprintf("parameter %s value %s does not match " .
+ "return_to value %s", $rt_key,
+ $value, $rt_value));
+ }
+ }
+ }
+
+ // Make sure all non-OpenID arguments in the response are also
+ // in the signed return_to.
+ $bare_args = $message->getArgs(Auth_OpenID_BARE_NS);
+ foreach ($bare_args as $key => $value) {
+ if (Auth_OpenID::arrayGet($q, $key) != $value) {
+ return new Auth_OpenID_FailureResponse(null,
+ sprintf("Parameter %s = %s not in return_to URL",
+ $key, $value));
+ }
+ }
+
+ return true;
+ }
+
+ /**
+ * @access private
+ */
+ function _idResCheckSignature($message, $server_url)
+ {
+ $assoc_handle = $message->getArg(Auth_OpenID_OPENID_NS,
+ 'assoc_handle');
+ if (Auth_OpenID::isFailure($assoc_handle)) {
+ return $assoc_handle;
+ }
+
+ $assoc = $this->store->getAssociation($server_url, $assoc_handle);
+
+ if ($assoc) {
+ if ($assoc->getExpiresIn() <= 0) {
+ // XXX: It might be a good idea sometimes to re-start
+ // the authentication with a new association. Doing it
+ // automatically opens the possibility for
+ // denial-of-service by a server that just returns
+ // expired associations (or really short-lived
+ // associations)
+ return new Auth_OpenID_FailureResponse(null,
+ 'Association with ' . $server_url . ' expired');
+ }
+
+ if (!$assoc->checkMessageSignature($message)) {
+ // If we get a "bad signature" here, it means that the association
+ // is unrecoverabley corrupted in some way. Any futher attempts
+ // to login with this association is likely to fail. Drop it.
+ $this->store->removeAssociation($server_url, $assoc_handle);
+ return new Auth_OpenID_FailureResponse(null,
+ "Bad signature");
+ }
+ } else {
+ // It's not an association we know about. Stateless mode
+ // is our only possible path for recovery. XXX - async
+ // framework will not want to block on this call to
+ // _checkAuth.
+ if (!$this->_checkAuth($message, $server_url)) {
+ return new Auth_OpenID_FailureResponse(null,
+ "Server denied check_authentication");
+ }
+ }
+
+ return null;
+ }
+
+ /**
+ * @access private
+ */
+ function _verifyDiscoveryResults($message, $endpoint=null)
+ {
+ if ($message->getOpenIDNamespace() == Auth_OpenID_OPENID2_NS) {
+ return $this->_verifyDiscoveryResultsOpenID2($message,
+ $endpoint);
+ } else {
+ return $this->_verifyDiscoveryResultsOpenID1($message,
+ $endpoint);
+ }
+ }
+
+ /**
+ * @access private
+ */
+ function _verifyDiscoveryResultsOpenID1($message, $endpoint)
+ {
+ $claimed_id = $message->getArg(Auth_OpenID_BARE_NS,
+ $this->openid1_return_to_identifier_name);
+
+ if (($endpoint === null) && ($claimed_id === null)) {
+ return new Auth_OpenID_FailureResponse($endpoint,
+ 'When using OpenID 1, the claimed ID must be supplied, ' .
+ 'either by passing it through as a return_to parameter ' .
+ 'or by using a session, and supplied to the GenericConsumer ' .
+ 'as the argument to complete()');
+ } else if (($endpoint !== null) && ($claimed_id === null)) {
+ $claimed_id = $endpoint->claimed_id;
+ }
+
+ $to_match = new Auth_OpenID_ServiceEndpoint();
+ $to_match->type_uris = array(Auth_OpenID_TYPE_1_1);
+ $to_match->local_id = $message->getArg(Auth_OpenID_OPENID1_NS,
+ 'identity');
+
+ // Restore delegate information from the initiation phase
+ $to_match->claimed_id = $claimed_id;
+
+ if ($to_match->local_id === null) {
+ return new Auth_OpenID_FailureResponse($endpoint,
+ "Missing required field openid.identity");
+ }
+
+ $to_match_1_0 = $to_match->copy();
+ $to_match_1_0->type_uris = array(Auth_OpenID_TYPE_1_0);
+
+ if ($endpoint !== null) {
+ $result = $this->_verifyDiscoverySingle($endpoint, $to_match);
+
+ if (is_a($result, 'Auth_OpenID_TypeURIMismatch')) {
+ $result = $this->_verifyDiscoverySingle($endpoint,
+ $to_match_1_0);
+ }
+
+ if (Auth_OpenID::isFailure($result)) {
+ // oidutil.log("Error attempting to use stored
+ // discovery information: " + str(e))
+ // oidutil.log("Attempting discovery to
+ // verify endpoint")
+ } else {
+ return $endpoint;
+ }
+ }
+
+ // Endpoint is either bad (failed verification) or None
+ return $this->_discoverAndVerify($to_match->claimed_id,
+ array($to_match, $to_match_1_0));
+ }
+
+ /**
+ * @access private
+ */
+ function _verifyDiscoverySingle($endpoint, $to_match)
+ {
+ // Every type URI that's in the to_match endpoint has to be
+ // present in the discovered endpoint.
+ foreach ($to_match->type_uris as $type_uri) {
+ if (!$endpoint->usesExtension($type_uri)) {
+ return new Auth_OpenID_TypeURIMismatch($endpoint,
+ "Required type ".$type_uri." not present");
+ }
+ }
+
+ // Fragments do not influence discovery, so we can't compare a
+ // claimed identifier with a fragment to discovered
+ // information.
+ list($defragged_claimed_id, $_) =
+ Auth_OpenID::urldefrag($to_match->claimed_id);
+
+ if ($defragged_claimed_id != $endpoint->claimed_id) {
+ return new Auth_OpenID_FailureResponse($endpoint,
+ sprintf('Claimed ID does not match (different subjects!), ' .
+ 'Expected %s, got %s', $defragged_claimed_id,
+ $endpoint->claimed_id));
+ }
+
+ if ($to_match->getLocalID() != $endpoint->getLocalID()) {
+ return new Auth_OpenID_FailureResponse($endpoint,
+ sprintf('local_id mismatch. Expected %s, got %s',
+ $to_match->getLocalID(), $endpoint->getLocalID()));
+ }
+
+ // If the server URL is None, this must be an OpenID 1
+ // response, because op_endpoint is a required parameter in
+ // OpenID 2. In that case, we don't actually care what the
+ // discovered server_url is, because signature checking or
+ // check_auth should take care of that check for us.
+ if ($to_match->server_url === null) {
+ if ($to_match->preferredNamespace() != Auth_OpenID_OPENID1_NS) {
+ return new Auth_OpenID_FailureResponse($endpoint,
+ "Preferred namespace mismatch (bug)");
+ }
+ } else if ($to_match->server_url != $endpoint->server_url) {
+ return new Auth_OpenID_FailureResponse($endpoint,
+ sprintf('OP Endpoint mismatch. Expected %s, got %s',
+ $to_match->server_url, $endpoint->server_url));
+ }
+
+ return null;
+ }
+
+ /**
+ * @access private
+ */
+ function _verifyDiscoveryResultsOpenID2($message, $endpoint)
+ {
+ $to_match = new Auth_OpenID_ServiceEndpoint();
+ $to_match->type_uris = array(Auth_OpenID_TYPE_2_0);
+ $to_match->claimed_id = $message->getArg(Auth_OpenID_OPENID2_NS,
+ 'claimed_id');
+
+ $to_match->local_id = $message->getArg(Auth_OpenID_OPENID2_NS,
+ 'identity');
+
+ $to_match->server_url = $message->getArg(Auth_OpenID_OPENID2_NS,
+ 'op_endpoint');
+
+ if ($to_match->server_url === null) {
+ return new Auth_OpenID_FailureResponse($endpoint,
+ "OP Endpoint URL missing");
+ }
+
+ // claimed_id and identifier must both be present or both be
+ // absent
+ if (($to_match->claimed_id === null) &&
+ ($to_match->local_id !== null)) {
+ return new Auth_OpenID_FailureResponse($endpoint,
+ 'openid.identity is present without openid.claimed_id');
+ }
+
+ if (($to_match->claimed_id !== null) &&
+ ($to_match->local_id === null)) {
+ return new Auth_OpenID_FailureResponse($endpoint,
+ 'openid.claimed_id is present without openid.identity');
+ }
+
+ if ($to_match->claimed_id === null) {
+ // This is a response without identifiers, so there's
+ // really no checking that we can do, so return an
+ // endpoint that's for the specified `openid.op_endpoint'
+ return Auth_OpenID_ServiceEndpoint::fromOPEndpointURL(
+ $to_match->server_url);
+ }
+
+ if (!$endpoint) {
+ // The claimed ID doesn't match, so we have to do
+ // discovery again. This covers not using sessions, OP
+ // identifier endpoints and responses that didn't match
+ // the original request.
+ // oidutil.log('No pre-discovered information supplied.')
+ return $this->_discoverAndVerify($to_match->claimed_id,
+ array($to_match));
+ } else {
+
+ // The claimed ID matches, so we use the endpoint that we
+ // discovered in initiation. This should be the most
+ // common case.
+ $result = $this->_verifyDiscoverySingle($endpoint, $to_match);
+
+ if (Auth_OpenID::isFailure($result)) {
+ $endpoint = $this->_discoverAndVerify($to_match->claimed_id,
+ array($to_match));
+ if (Auth_OpenID::isFailure($endpoint)) {
+ return $endpoint;
+ }
+ }
+ }
+
+ // The endpoint we return should have the claimed ID from the
+ // message we just verified, fragment and all.
+ if ($endpoint->claimed_id != $to_match->claimed_id) {
+ $endpoint->claimed_id = $to_match->claimed_id;
+ }
+
+ return $endpoint;
+ }
+
+ /**
+ * @access private
+ */
+ function _discoverAndVerify($claimed_id, $to_match_endpoints)
+ {
+ // oidutil.log('Performing discovery on %s' % (claimed_id,))
+ list($unused, $services) = call_user_func_array($this->discoverMethod,
+ array(
+ $claimed_id,
+ &$this->fetcher,
+ ));
+
+ if (!$services) {
+ return new Auth_OpenID_FailureResponse(null,
+ sprintf("No OpenID information found at %s",
+ $claimed_id));
+ }
+
+ return $this->_verifyDiscoveryServices($claimed_id, $services,
+ $to_match_endpoints);
+ }
+
+ /**
+ * @access private
+ */
+ function _verifyDiscoveryServices($claimed_id,
+ $services, $to_match_endpoints)
+ {
+ // Search the services resulting from discovery to find one
+ // that matches the information from the assertion
+
+ foreach ($services as $endpoint) {
+ foreach ($to_match_endpoints as $to_match_endpoint) {
+ $result = $this->_verifyDiscoverySingle($endpoint,
+ $to_match_endpoint);
+
+ if (!Auth_OpenID::isFailure($result)) {
+ // It matches, so discover verification has
+ // succeeded. Return this endpoint.
+ return $endpoint;
+ }
+ }
+ }
+
+ return new Auth_OpenID_FailureResponse(null,
+ sprintf('No matching endpoint found after discovering %s: %s',
+ $claimed_id, $result->message));
+ }
+
+ /**
+ * Extract the nonce from an OpenID 1 response. Return the nonce
+ * from the BARE_NS since we independently check the return_to
+ * arguments are the same as those in the response message.
+ *
+ * See the openid1_nonce_query_arg_name class variable
+ *
+ * @returns $nonce The nonce as a string or null
+ *
+ * @access private
+ */
+ function _idResGetNonceOpenID1($message, $endpoint)
+ {
+ return $message->getArg(Auth_OpenID_BARE_NS,
+ $this->openid1_nonce_query_arg_name);
+ }
+
+ /**
+ * @access private
+ */
+ function _idResCheckNonce($message, $endpoint)
+ {
+ if ($message->isOpenID1()) {
+ // This indicates that the nonce was generated by the consumer
+ $nonce = $this->_idResGetNonceOpenID1($message, $endpoint);
+ $server_url = '';
+ } else {
+ $nonce = $message->getArg(Auth_OpenID_OPENID2_NS,
+ 'response_nonce');
+
+ $server_url = $endpoint->server_url;
+ }
+
+ if ($nonce === null) {
+ return new Auth_OpenID_FailureResponse($endpoint,
+ "Nonce missing from response");
+ }
+
+ $parts = Auth_OpenID_splitNonce($nonce);
+
+ if ($parts === null) {
+ return new Auth_OpenID_FailureResponse($endpoint,
+ "Malformed nonce in response");
+ }
+
+ list($timestamp, $salt) = $parts;
+
+ if (!$this->store->useNonce($server_url, $timestamp, $salt)) {
+ return new Auth_OpenID_FailureResponse($endpoint,
+ "Nonce already used or out of range");
+ }
+
+ return null;
+ }
+
+ /**
+ * @access private
+ */
+ function _idResCheckForFields($message)
+ {
+ $basic_fields = array('return_to', 'assoc_handle', 'sig', 'signed');
+ $basic_sig_fields = array('return_to', 'identity');
+
+ $require_fields = array(
+ Auth_OpenID_OPENID2_NS => array_merge($basic_fields,
+ array('op_endpoint')),
+
+ Auth_OpenID_OPENID1_NS => array_merge($basic_fields,
+ array('identity'))
+ );
+
+ $require_sigs = array(
+ Auth_OpenID_OPENID2_NS => array_merge($basic_sig_fields,
+ array('response_nonce',
+ 'claimed_id',
+ 'assoc_handle',
+ 'op_endpoint')),
+ Auth_OpenID_OPENID1_NS => array_merge($basic_sig_fields,
+ array('nonce'))
+ );
+
+ foreach ($require_fields[$message->getOpenIDNamespace()] as $field) {
+ if (!$message->hasKey(Auth_OpenID_OPENID_NS, $field)) {
+ return new Auth_OpenID_FailureResponse(null,
+ "Missing required field '".$field."'");
+ }
+ }
+
+ $signed_list_str = $message->getArg(Auth_OpenID_OPENID_NS,
+ 'signed',
+ Auth_OpenID_NO_DEFAULT);
+ if (Auth_OpenID::isFailure($signed_list_str)) {
+ return $signed_list_str;
+ }
+ $signed_list = explode(',', $signed_list_str);
+
+ foreach ($require_sigs[$message->getOpenIDNamespace()] as $field) {
+ // Field is present and not in signed list
+ if ($message->hasKey(Auth_OpenID_OPENID_NS, $field) &&
+ (!in_array($field, $signed_list))) {
+ return new Auth_OpenID_FailureResponse(null,
+ "'".$field."' not signed");
+ }
+ }
+
+ return null;
+ }
+
+ /**
+ * @access private
+ */
+ function _checkAuth($message, $server_url)
+ {
+ $request = $this->_createCheckAuthRequest($message);
+ if ($request === null) {
+ return false;
+ }
+
+ $resp_message = $this->_makeKVPost($request, $server_url);
+ if (($resp_message === null) ||
+ (is_a($resp_message, 'Auth_OpenID_ServerErrorContainer'))) {
+ return false;
+ }
+
+ return $this->_processCheckAuthResponse($resp_message, $server_url);
+ }
+
+ /**
+ * @access private
+ */
+ function _createCheckAuthRequest($message)
+ {
+ $signed = $message->getArg(Auth_OpenID_OPENID_NS, 'signed');
+ if ($signed) {
+ foreach (explode(',', $signed) as $k) {
+ $value = $message->getAliasedArg($k);
+ if ($value === null) {
+ return null;
+ }
+ }
+ }
+ $ca_message = $message->copy();
+ $ca_message->setArg(Auth_OpenID_OPENID_NS, 'mode',
+ 'check_authentication');
+ return $ca_message;
+ }
+
+ /**
+ * @access private
+ */
+ function _processCheckAuthResponse($response, $server_url)
+ {
+ $is_valid = $response->getArg(Auth_OpenID_OPENID_NS, 'is_valid',
+ 'false');
+
+ $invalidate_handle = $response->getArg(Auth_OpenID_OPENID_NS,
+ 'invalidate_handle');
+
+ if ($invalidate_handle !== null) {
+ $this->store->removeAssociation($server_url,
+ $invalidate_handle);
+ }
+
+ if ($is_valid == 'true') {
+ return true;
+ }
+
+ return false;
+ }
+
+ /**
+ * Adapt a POST response to a Message.
+ *
+ * @param $response Result of a POST to an OpenID endpoint.
+ *
+ * @access private
+ */
+ static function _httpResponseToMessage($response, $server_url)
+ {
+ // Should this function be named Message.fromHTTPResponse instead?
+ $response_message = Auth_OpenID_Message::fromKVForm($response->body);
+
+ if ($response->status == 400) {
+ return Auth_OpenID_ServerErrorContainer::fromMessage(
+ $response_message);
+ } else if ($response->status != 200 and $response->status != 206) {
+ return null;
+ }
+
+ return $response_message;
+ }
+
+ /**
+ * @access private
+ */
+ function _makeKVPost($message, $server_url)
+ {
+ $body = $message->toURLEncoded();
+ $resp = $this->fetcher->post($server_url, $body);
+
+ if ($resp === null) {
+ return null;
+ }
+
+ return $this->_httpResponseToMessage($resp, $server_url);
+ }
+
+ /**
+ * @access private
+ */
+ function _getAssociation($endpoint)
+ {
+ if (!$this->_use_assocs) {
+ return null;
+ }
+
+ $assoc = $this->store->getAssociation($endpoint->server_url);
+
+ if (($assoc === null) ||
+ ($assoc->getExpiresIn() <= 0)) {
+
+ $assoc = $this->_negotiateAssociation($endpoint);
+
+ if ($assoc !== null) {
+ $this->store->storeAssociation($endpoint->server_url,
+ $assoc);
+ }
+ }
+
+ return $assoc;
+ }
+
+ /**
+ * Handle ServerErrors resulting from association requests.
+ *
+ * @return $result If server replied with an C{unsupported-type}
+ * error, return a tuple of supported C{association_type},
+ * C{session_type}. Otherwise logs the error and returns null.
+ *
+ * @access private
+ */
+ function _extractSupportedAssociationType($server_error, $endpoint,
+ $assoc_type)
+ {
+ // Any error message whose code is not 'unsupported-type'
+ // should be considered a total failure.
+ if (($server_error->error_code != 'unsupported-type') ||
+ ($server_error->message->isOpenID1())) {
+ return null;
+ }
+
+ // The server didn't like the association/session type that we
+ // sent, and it sent us back a message that might tell us how
+ // to handle it.
+
+ // Extract the session_type and assoc_type from the error
+ // message
+ $assoc_type = $server_error->message->getArg(Auth_OpenID_OPENID_NS,
+ 'assoc_type');
+
+ $session_type = $server_error->message->getArg(Auth_OpenID_OPENID_NS,
+ 'session_type');
+
+ if (($assoc_type === null) || ($session_type === null)) {
+ return null;
+ } else if (!$this->negotiator->isAllowed($assoc_type,
+ $session_type)) {
+ return null;
+ } else {
+ return array($assoc_type, $session_type);
+ }
+ }
+
+ /**
+ * @access private
+ */
+ function _negotiateAssociation($endpoint)
+ {
+ // Get our preferred session/association type from the negotiatior.
+ list($assoc_type, $session_type) = $this->negotiator->getAllowedType();
+
+ $assoc = $this->_requestAssociation(
+ $endpoint, $assoc_type, $session_type);
+
+ if (Auth_OpenID::isFailure($assoc)) {
+ return null;
+ }
+
+ if (is_a($assoc, 'Auth_OpenID_ServerErrorContainer')) {
+ $why = $assoc;
+
+ $supportedTypes = $this->_extractSupportedAssociationType(
+ $why, $endpoint, $assoc_type);
+
+ if ($supportedTypes !== null) {
+ list($assoc_type, $session_type) = $supportedTypes;
+
+ // Attempt to create an association from the assoc_type
+ // and session_type that the server told us it
+ // supported.
+ $assoc = $this->_requestAssociation(
+ $endpoint, $assoc_type, $session_type);
+
+ if (is_a($assoc, 'Auth_OpenID_ServerErrorContainer')) {
+ // Do not keep trying, since it rejected the
+ // association type that it told us to use.
+ // oidutil.log('Server %s refused its suggested association
+ // 'type: session_type=%s, assoc_type=%s'
+ // % (endpoint.server_url, session_type,
+ // assoc_type))
+ return null;
+ } else {
+ return $assoc;
+ }
+ } else {
+ return null;
+ }
+ } else {
+ return $assoc;
+ }
+ }
+
+ /**
+ * @access private
+ */
+ function _requestAssociation($endpoint, $assoc_type, $session_type)
+ {
+ list($assoc_session, $args) = $this->_createAssociateRequest(
+ $endpoint, $assoc_type, $session_type);
+
+ $response_message = $this->_makeKVPost($args, $endpoint->server_url);
+
+ if ($response_message === null) {
+ // oidutil.log('openid.associate request failed: %s' % (why[0],))
+ return null;
+ } else if (is_a($response_message,
+ 'Auth_OpenID_ServerErrorContainer')) {
+ return $response_message;
+ }
+
+ return $this->_extractAssociation($response_message, $assoc_session);
+ }
+
+ /**
+ * @access private
+ */
+ function _extractAssociation($assoc_response, $assoc_session)
+ {
+ // Extract the common fields from the response, raising an
+ // exception if they are not found
+ $assoc_type = $assoc_response->getArg(
+ Auth_OpenID_OPENID_NS, 'assoc_type',
+ Auth_OpenID_NO_DEFAULT);
+
+ if (Auth_OpenID::isFailure($assoc_type)) {
+ return $assoc_type;
+ }
+
+ $assoc_handle = $assoc_response->getArg(
+ Auth_OpenID_OPENID_NS, 'assoc_handle',
+ Auth_OpenID_NO_DEFAULT);
+
+ if (Auth_OpenID::isFailure($assoc_handle)) {
+ return $assoc_handle;
+ }
+
+ // expires_in is a base-10 string. The Python parsing will
+ // accept literals that have whitespace around them and will
+ // accept negative values. Neither of these are really in-spec,
+ // but we think it's OK to accept them.
+ $expires_in_str = $assoc_response->getArg(
+ Auth_OpenID_OPENID_NS, 'expires_in',
+ Auth_OpenID_NO_DEFAULT);
+
+ if (Auth_OpenID::isFailure($expires_in_str)) {
+ return $expires_in_str;
+ }
+
+ $expires_in = Auth_OpenID::intval($expires_in_str);
+ if ($expires_in === false) {
+
+ $err = sprintf("Could not parse expires_in from association ".
+ "response %s", print_r($assoc_response, true));
+ return new Auth_OpenID_FailureResponse(null, $err);
+ }
+
+ // OpenID 1 has funny association session behaviour.
+ if ($assoc_response->isOpenID1()) {
+ $session_type = $this->_getOpenID1SessionType($assoc_response);
+ } else {
+ $session_type = $assoc_response->getArg(
+ Auth_OpenID_OPENID2_NS, 'session_type',
+ Auth_OpenID_NO_DEFAULT);
+
+ if (Auth_OpenID::isFailure($session_type)) {
+ return $session_type;
+ }
+ }
+
+ // Session type mismatch
+ if ($assoc_session->session_type != $session_type) {
+ if ($assoc_response->isOpenID1() &&
+ ($session_type == 'no-encryption')) {
+ // In OpenID 1, any association request can result in
+ // a 'no-encryption' association response. Setting
+ // assoc_session to a new no-encryption session should
+ // make the rest of this function work properly for
+ // that case.
+ $assoc_session = new Auth_OpenID_PlainTextConsumerSession();
+ } else {
+ // Any other mismatch, regardless of protocol version
+ // results in the failure of the association session
+ // altogether.
+ return null;
+ }
+ }
+
+ // Make sure assoc_type is valid for session_type
+ if (!in_array($assoc_type, $assoc_session->allowed_assoc_types)) {
+ return null;
+ }
+
+ // Delegate to the association session to extract the secret
+ // from the response, however is appropriate for that session
+ // type.
+ $secret = $assoc_session->extractSecret($assoc_response);
+
+ if ($secret === null) {
+ return null;
+ }
+
+ return Auth_OpenID_Association::fromExpiresIn(
+ $expires_in, $assoc_handle, $secret, $assoc_type);
+ }
+
+ /**
+ * @access private
+ */
+ function _createAssociateRequest($endpoint, $assoc_type, $session_type)
+ {
+ if (array_key_exists($session_type, $this->session_types)) {
+ $session_type_class = $this->session_types[$session_type];
+
+ if (is_callable($session_type_class)) {
+ $assoc_session = $session_type_class();
+ } else {
+ $assoc_session = new $session_type_class();
+ }
+ } else {
+ return null;
+ }
+
+ $args = array(
+ 'mode' => 'associate',
+ 'assoc_type' => $assoc_type);
+
+ if (!$endpoint->compatibilityMode()) {
+ $args['ns'] = Auth_OpenID_OPENID2_NS;
+ }
+
+ // Leave out the session type if we're in compatibility mode
+ // *and* it's no-encryption.
+ if ((!$endpoint->compatibilityMode()) ||
+ ($assoc_session->session_type != 'no-encryption')) {
+ $args['session_type'] = $assoc_session->session_type;
+ }
+
+ $args = array_merge($args, $assoc_session->getRequest());
+ $message = Auth_OpenID_Message::fromOpenIDArgs($args);
+ return array($assoc_session, $message);
+ }
+
+ /**
+ * Given an association response message, extract the OpenID 1.X
+ * session type.
+ *
+ * This function mostly takes care of the 'no-encryption' default
+ * behavior in OpenID 1.
+ *
+ * If the association type is plain-text, this function will
+ * return 'no-encryption'
+ *
+ * @access private
+ * @return $typ The association type for this message
+ */
+ function _getOpenID1SessionType($assoc_response)
+ {
+ // If it's an OpenID 1 message, allow session_type to default
+ // to None (which signifies "no-encryption")
+ $session_type = $assoc_response->getArg(Auth_OpenID_OPENID1_NS,
+ 'session_type');
+
+ // Handle the differences between no-encryption association
+ // respones in OpenID 1 and 2:
+
+ // no-encryption is not really a valid session type for OpenID
+ // 1, but we'll accept it anyway, while issuing a warning.
+ if ($session_type == 'no-encryption') {
+ // oidutil.log('WARNING: OpenID server sent "no-encryption"'
+ // 'for OpenID 1.X')
+ } else if (($session_type == '') || ($session_type === null)) {
+ // Missing or empty session type is the way to flag a
+ // 'no-encryption' response. Change the session type to
+ // 'no-encryption' so that it can be handled in the same
+ // way as OpenID 2 'no-encryption' respones.
+ $session_type = 'no-encryption';
+ }
+
+ return $session_type;
+ }
+}
+
+/**
+ * This class represents an authentication request from a consumer to
+ * an OpenID server.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_AuthRequest {
+
+ /**
+ * Initialize an authentication request with the specified token,
+ * association, and endpoint.
+ *
+ * Users of this library should not create instances of this
+ * class. Instances of this class are created by the library when
+ * needed.
+ */
+ function Auth_OpenID_AuthRequest($endpoint, $assoc)
+ {
+ $this->assoc = $assoc;
+ $this->endpoint = $endpoint;
+ $this->return_to_args = array();
+ $this->message = new Auth_OpenID_Message(
+ $endpoint->preferredNamespace());
+ $this->_anonymous = false;
+ }
+
+ /**
+ * Add an extension to this checkid request.
+ *
+ * $extension_request: An object that implements the extension
+ * request interface for adding arguments to an OpenID message.
+ */
+ function addExtension($extension_request)
+ {
+ $extension_request->toMessage($this->message);
+ }
+
+ /**
+ * Add an extension argument to this OpenID authentication
+ * request.
+ *
+ * Use caution when adding arguments, because they will be
+ * URL-escaped and appended to the redirect URL, which can easily
+ * get quite long.
+ *
+ * @param string $namespace The namespace for the extension. For
+ * example, the simple registration extension uses the namespace
+ * 'sreg'.
+ *
+ * @param string $key The key within the extension namespace. For
+ * example, the nickname field in the simple registration
+ * extension's key is 'nickname'.
+ *
+ * @param string $value The value to provide to the server for
+ * this argument.
+ */
+ function addExtensionArg($namespace, $key, $value)
+ {
+ return $this->message->setArg($namespace, $key, $value);
+ }
+
+ /**
+ * Set whether this request should be made anonymously. If a
+ * request is anonymous, the identifier will not be sent in the
+ * request. This is only useful if you are making another kind of
+ * request with an extension in this request.
+ *
+ * Anonymous requests are not allowed when the request is made
+ * with OpenID 1.
+ */
+ function setAnonymous($is_anonymous)
+ {
+ if ($is_anonymous && $this->message->isOpenID1()) {
+ return false;
+ } else {
+ $this->_anonymous = $is_anonymous;
+ return true;
+ }
+ }
+
+ /**
+ * Produce a {@link Auth_OpenID_Message} representing this
+ * request.
+ *
+ * @param string $realm The URL (or URL pattern) that identifies
+ * your web site to the user when she is authorizing it.
+ *
+ * @param string $return_to The URL that the OpenID provider will
+ * send the user back to after attempting to verify her identity.
+ *
+ * Not specifying a return_to URL means that the user will not be
+ * returned to the site issuing the request upon its completion.
+ *
+ * @param bool $immediate If true, the OpenID provider is to send
+ * back a response immediately, useful for behind-the-scenes
+ * authentication attempts. Otherwise the OpenID provider may
+ * engage the user before providing a response. This is the
+ * default case, as the user may need to provide credentials or
+ * approve the request before a positive response can be sent.
+ */
+ function getMessage($realm, $return_to=null, $immediate=false)
+ {
+ if ($return_to) {
+ $return_to = Auth_OpenID::appendArgs($return_to,
+ $this->return_to_args);
+ } else if ($immediate) {
+ // raise ValueError(
+ // '"return_to" is mandatory when
+ //using "checkid_immediate"')
+ return new Auth_OpenID_FailureResponse(null,
+ "'return_to' is mandatory when using checkid_immediate");
+ } else if ($this->message->isOpenID1()) {
+ // raise ValueError('"return_to" is
+ // mandatory for OpenID 1 requests')
+ return new Auth_OpenID_FailureResponse(null,
+ "'return_to' is mandatory for OpenID 1 requests");
+ } else if ($this->return_to_args) {
+ // raise ValueError('extra "return_to" arguments
+ // were specified, but no return_to was specified')
+ return new Auth_OpenID_FailureResponse(null,
+ "extra 'return_to' arguments where specified, " .
+ "but no return_to was specified");
+ }
+
+ if ($immediate) {
+ $mode = 'checkid_immediate';
+ } else {
+ $mode = 'checkid_setup';
+ }
+
+ $message = $this->message->copy();
+ if ($message->isOpenID1()) {
+ $realm_key = 'trust_root';
+ } else {
+ $realm_key = 'realm';
+ }
+
+ $message->updateArgs(Auth_OpenID_OPENID_NS,
+ array(
+ $realm_key => $realm,
+ 'mode' => $mode,
+ 'return_to' => $return_to));
+
+ if (!$this->_anonymous) {
+ if ($this->endpoint->isOPIdentifier()) {
+ // This will never happen when we're in compatibility
+ // mode, as long as isOPIdentifier() returns False
+ // whenever preferredNamespace() returns OPENID1_NS.
+ $claimed_id = $request_identity =
+ Auth_OpenID_IDENTIFIER_SELECT;
+ } else {
+ $request_identity = $this->endpoint->getLocalID();
+ $claimed_id = $this->endpoint->claimed_id;
+ }
+
+ // This is true for both OpenID 1 and 2
+ $message->setArg(Auth_OpenID_OPENID_NS, 'identity',
+ $request_identity);
+
+ if ($message->isOpenID2()) {
+ $message->setArg(Auth_OpenID_OPENID2_NS, 'claimed_id',
+ $claimed_id);
+ }
+ }
+
+ if ($this->assoc) {
+ $message->setArg(Auth_OpenID_OPENID_NS, 'assoc_handle',
+ $this->assoc->handle);
+ }
+
+ return $message;
+ }
+
+ function redirectURL($realm, $return_to = null,
+ $immediate = false)
+ {
+ $message = $this->getMessage($realm, $return_to, $immediate);
+
+ if (Auth_OpenID::isFailure($message)) {
+ return $message;
+ }
+
+ return $message->toURL($this->endpoint->server_url);
+ }
+
+ /**
+ * Get html for a form to submit this request to the IDP.
+ *
+ * form_tag_attrs: An array of attributes to be added to the form
+ * tag. 'accept-charset' and 'enctype' have defaults that can be
+ * overridden. If a value is supplied for 'action' or 'method', it
+ * will be replaced.
+ */
+ function formMarkup($realm, $return_to=null, $immediate=false,
+ $form_tag_attrs=null)
+ {
+ $message = $this->getMessage($realm, $return_to, $immediate);
+
+ if (Auth_OpenID::isFailure($message)) {
+ return $message;
+ }
+
+ return $message->toFormMarkup($this->endpoint->server_url,
+ $form_tag_attrs);
+ }
+
+ /**
+ * Get a complete html document that will autosubmit the request
+ * to the IDP.
+ *
+ * Wraps formMarkup. See the documentation for that function.
+ */
+ function htmlMarkup($realm, $return_to=null, $immediate=false,
+ $form_tag_attrs=null)
+ {
+ $form = $this->formMarkup($realm, $return_to, $immediate,
+ $form_tag_attrs);
+
+ if (Auth_OpenID::isFailure($form)) {
+ return $form;
+ }
+ return Auth_OpenID::autoSubmitHTML($form);
+ }
+
+ function shouldSendRedirect()
+ {
+ return $this->endpoint->compatibilityMode();
+ }
+}
+
+/**
+ * The base class for responses from the Auth_OpenID_Consumer.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_ConsumerResponse {
+ var $status = null;
+
+ function setEndpoint($endpoint)
+ {
+ $this->endpoint = $endpoint;
+ if ($endpoint === null) {
+ $this->identity_url = null;
+ } else {
+ $this->identity_url = $endpoint->claimed_id;
+ }
+ }
+
+ /**
+ * Return the display identifier for this response.
+ *
+ * The display identifier is related to the Claimed Identifier, but the
+ * two are not always identical. The display identifier is something the
+ * user should recognize as what they entered, whereas the response's
+ * claimed identifier (in the identity_url attribute) may have extra
+ * information for better persistence.
+ *
+ * URLs will be stripped of their fragments for display. XRIs will
+ * display the human-readable identifier (i-name) instead of the
+ * persistent identifier (i-number).
+ *
+ * Use the display identifier in your user interface. Use
+ * identity_url for querying your database or authorization server.
+ *
+ */
+ function getDisplayIdentifier()
+ {
+ if ($this->endpoint !== null) {
+ return $this->endpoint->getDisplayIdentifier();
+ }
+ return null;
+ }
+}
+
+/**
+ * A response with a status of Auth_OpenID_SUCCESS. Indicates that
+ * this request is a successful acknowledgement from the OpenID server
+ * that the supplied URL is, indeed controlled by the requesting
+ * agent. This has three relevant attributes:
+ *
+ * claimed_id - The identity URL that has been authenticated
+ *
+ * signed_args - The arguments in the server's response that were
+ * signed and verified.
+ *
+ * status - Auth_OpenID_SUCCESS.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_SuccessResponse extends Auth_OpenID_ConsumerResponse {
+ var $status = Auth_OpenID_SUCCESS;
+
+ /**
+ * @access private
+ */
+ function Auth_OpenID_SuccessResponse($endpoint, $message, $signed_args=null)
+ {
+ $this->endpoint = $endpoint;
+ $this->identity_url = $endpoint->claimed_id;
+ $this->signed_args = $signed_args;
+ $this->message = $message;
+
+ if ($this->signed_args === null) {
+ $this->signed_args = array();
+ }
+ }
+
+ /**
+ * Extract signed extension data from the server's response.
+ *
+ * @param string $prefix The extension namespace from which to
+ * extract the extension data.
+ */
+ function extensionResponse($namespace_uri, $require_signed)
+ {
+ if ($require_signed) {
+ return $this->getSignedNS($namespace_uri);
+ } else {
+ return $this->message->getArgs($namespace_uri);
+ }
+ }
+
+ function isOpenID1()
+ {
+ return $this->message->isOpenID1();
+ }
+
+ function isSigned($ns_uri, $ns_key)
+ {
+ // Return whether a particular key is signed, regardless of
+ // its namespace alias
+ return in_array($this->message->getKey($ns_uri, $ns_key),
+ $this->signed_args);
+ }
+
+ function getSigned($ns_uri, $ns_key, $default = null)
+ {
+ // Return the specified signed field if available, otherwise
+ // return default
+ if ($this->isSigned($ns_uri, $ns_key)) {
+ return $this->message->getArg($ns_uri, $ns_key, $default);
+ } else {
+ return $default;
+ }
+ }
+
+ function getSignedNS($ns_uri)
+ {
+ $args = array();
+
+ $msg_args = $this->message->getArgs($ns_uri);
+ if (Auth_OpenID::isFailure($msg_args)) {
+ return null;
+ }
+
+ foreach ($msg_args as $key => $value) {
+ if (!$this->isSigned($ns_uri, $key)) {
+ unset($msg_args[$key]);
+ }
+ }
+
+ return $msg_args;
+ }
+
+ /**
+ * Get the openid.return_to argument from this response.
+ *
+ * This is useful for verifying that this request was initiated by
+ * this consumer.
+ *
+ * @return string $return_to The return_to URL supplied to the
+ * server on the initial request, or null if the response did not
+ * contain an 'openid.return_to' argument.
+ */
+ function getReturnTo()
+ {
+ return $this->getSigned(Auth_OpenID_OPENID_NS, 'return_to');
+ }
+}
+
+/**
+ * A response with a status of Auth_OpenID_FAILURE. Indicates that the
+ * OpenID protocol has failed. This could be locally or remotely
+ * triggered. This has three relevant attributes:
+ *
+ * claimed_id - The identity URL for which authentication was
+ * attempted, if it can be determined. Otherwise, null.
+ *
+ * message - A message indicating why the request failed, if one is
+ * supplied. Otherwise, null.
+ *
+ * status - Auth_OpenID_FAILURE.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_FailureResponse extends Auth_OpenID_ConsumerResponse {
+ var $status = Auth_OpenID_FAILURE;
+
+ function Auth_OpenID_FailureResponse($endpoint, $message = null,
+ $contact = null, $reference = null)
+ {
+ $this->setEndpoint($endpoint);
+ $this->message = $message;
+ $this->contact = $contact;
+ $this->reference = $reference;
+ }
+}
+
+/**
+ * A specific, internal failure used to detect type URI mismatch.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_TypeURIMismatch extends Auth_OpenID_FailureResponse {
+}
+
+/**
+ * Exception that is raised when the server returns a 400 response
+ * code to a direct request.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_ServerErrorContainer {
+ function Auth_OpenID_ServerErrorContainer($error_text,
+ $error_code,
+ $message)
+ {
+ $this->error_text = $error_text;
+ $this->error_code = $error_code;
+ $this->message = $message;
+ }
+
+ /**
+ * @access private
+ */
+ static function fromMessage($message)
+ {
+ $error_text = $message->getArg(
+ Auth_OpenID_OPENID_NS, 'error', '<no error message supplied>');
+ $error_code = $message->getArg(Auth_OpenID_OPENID_NS, 'error_code');
+ return new Auth_OpenID_ServerErrorContainer($error_text,
+ $error_code,
+ $message);
+ }
+}
+
+/**
+ * A response with a status of Auth_OpenID_CANCEL. Indicates that the
+ * user cancelled the OpenID authentication request. This has two
+ * relevant attributes:
+ *
+ * claimed_id - The identity URL for which authentication was
+ * attempted, if it can be determined. Otherwise, null.
+ *
+ * status - Auth_OpenID_SUCCESS.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_CancelResponse extends Auth_OpenID_ConsumerResponse {
+ var $status = Auth_OpenID_CANCEL;
+
+ function Auth_OpenID_CancelResponse($endpoint)
+ {
+ $this->setEndpoint($endpoint);
+ }
+}
+
+/**
+ * A response with a status of Auth_OpenID_SETUP_NEEDED. Indicates
+ * that the request was in immediate mode, and the server is unable to
+ * authenticate the user without further interaction.
+ *
+ * claimed_id - The identity URL for which authentication was
+ * attempted.
+ *
+ * setup_url - A URL that can be used to send the user to the server
+ * to set up for authentication. The user should be redirected in to
+ * the setup_url, either in the current window or in a new browser
+ * window. Null in OpenID 2.
+ *
+ * status - Auth_OpenID_SETUP_NEEDED.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_SetupNeededResponse extends Auth_OpenID_ConsumerResponse {
+ var $status = Auth_OpenID_SETUP_NEEDED;
+
+ function Auth_OpenID_SetupNeededResponse($endpoint,
+ $setup_url = null)
+ {
+ $this->setEndpoint($endpoint);
+ $this->setup_url = $setup_url;
+ }
+}
+
+
diff --git a/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/CryptUtil.php b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/CryptUtil.php
new file mode 100644
index 0000000..3c60cea
--- /dev/null
+++ b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/CryptUtil.php
@@ -0,0 +1,122 @@
+<?php
+
+/**
+ * CryptUtil: A suite of wrapper utility functions for the OpenID
+ * library.
+ *
+ * PHP versions 4 and 5
+ *
+ * LICENSE: See the COPYING file included in this distribution.
+ *
+ * @access private
+ * @package OpenID
+ * @author JanRain, Inc. <openid@janrain.com>
+ * @copyright 2005-2008 Janrain, Inc.
+ * @license http://www.apache.org/licenses/LICENSE-2.0 Apache
+ */
+
+if (!defined('Auth_OpenID_RAND_SOURCE')) {
+ /**
+ * The filename for a source of random bytes. Define this yourself
+ * if you have a different source of randomness.
+ */
+ define('Auth_OpenID_RAND_SOURCE', '/dev/urandom');
+}
+
+class Auth_OpenID_CryptUtil {
+ /**
+ * Get the specified number of random bytes.
+ *
+ * Attempts to use a cryptographically secure (not predictable)
+ * source of randomness if available. If there is no high-entropy
+ * randomness source available, it will fail. As a last resort,
+ * for non-critical systems, define
+ * <code>Auth_OpenID_RAND_SOURCE</code> as <code>null</code>, and
+ * the code will fall back on a pseudo-random number generator.
+ *
+ * @param int $num_bytes The length of the return value
+ * @return string $bytes random bytes
+ */
+ static function getBytes($num_bytes)
+ {
+ static $f = null;
+ $bytes = '';
+ if ($f === null) {
+ if (Auth_OpenID_RAND_SOURCE === null) {
+ $f = false;
+ } else {
+ $f = @fopen(Auth_OpenID_RAND_SOURCE, "r");
+ if ($f === false) {
+ $msg = 'Define Auth_OpenID_RAND_SOURCE as null to ' .
+ ' continue with an insecure random number generator.';
+ trigger_error($msg, E_USER_ERROR);
+ }
+ }
+ }
+ if ($f === false) {
+ // pseudorandom used
+ $bytes = '';
+ for ($i = 0; $i < $num_bytes; $i += 4) {
+ $bytes .= pack('L', mt_rand());
+ }
+ $bytes = substr($bytes, 0, $num_bytes);
+ } else {
+ $bytes = fread($f, $num_bytes);
+ }
+ return $bytes;
+ }
+
+ /**
+ * Produce a string of length random bytes, chosen from chrs. If
+ * $chrs is null, the resulting string may contain any characters.
+ *
+ * @param integer $length The length of the resulting
+ * randomly-generated string
+ * @param string $chrs A string of characters from which to choose
+ * to build the new string
+ * @return string $result A string of randomly-chosen characters
+ * from $chrs
+ */
+ static function randomString($length, $population = null)
+ {
+ if ($population === null) {
+ return Auth_OpenID_CryptUtil::getBytes($length);
+ }
+
+ $popsize = strlen($population);
+
+ if ($popsize > 256) {
+ $msg = 'More than 256 characters supplied to ' . __FUNCTION__;
+ trigger_error($msg, E_USER_ERROR);
+ }
+
+ $duplicate = 256 % $popsize;
+
+ $str = "";
+ for ($i = 0; $i < $length; $i++) {
+ do {
+ $n = ord(Auth_OpenID_CryptUtil::getBytes(1));
+ } while ($n < $duplicate);
+
+ $n %= $popsize;
+ $str .= $population[$n];
+ }
+
+ return $str;
+ }
+
+ static function constEq($s1, $s2)
+ {
+ if (strlen($s1) != strlen($s2)) {
+ return false;
+ }
+
+ $result = true;
+ $length = strlen($s1);
+ for ($i = 0; $i < $length; $i++) {
+ $result &= ($s1[$i] == $s2[$i]);
+ }
+ return $result;
+ }
+}
+
diff --git a/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/DatabaseConnection.php b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/DatabaseConnection.php
new file mode 100644
index 0000000..0c7d08f
--- /dev/null
+++ b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/DatabaseConnection.php
@@ -0,0 +1,130 @@
+<?php
+
+/**
+ * The Auth_OpenID_DatabaseConnection class, which is used to emulate
+ * a PEAR database connection.
+ *
+ * @package OpenID
+ * @author JanRain, Inc. <openid@janrain.com>
+ * @copyright 2005-2008 Janrain, Inc.
+ * @license http://www.apache.org/licenses/LICENSE-2.0 Apache
+ */
+
+/**
+ * An empty base class intended to emulate PEAR connection
+ * functionality in applications that supply their own database
+ * abstraction mechanisms. See {@link Auth_OpenID_SQLStore} for more
+ * information. You should subclass this class if you need to create
+ * an SQL store that needs to access its database using an
+ * application's database abstraction layer instead of a PEAR database
+ * connection. Any subclass of Auth_OpenID_DatabaseConnection MUST
+ * adhere to the interface specified here.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_DatabaseConnection {
+ /**
+ * Sets auto-commit mode on this database connection.
+ *
+ * @param bool $mode True if auto-commit is to be used; false if
+ * not.
+ */
+ function autoCommit($mode)
+ {
+ }
+
+ /**
+ * Run an SQL query with the specified parameters, if any.
+ *
+ * @param string $sql An SQL string with placeholders. The
+ * placeholders are assumed to be specific to the database engine
+ * for this connection.
+ *
+ * @param array $params An array of parameters to insert into the
+ * SQL string using this connection's escaping mechanism.
+ *
+ * @return mixed $result The result of calling this connection's
+ * internal query function. The type of result depends on the
+ * underlying database engine. This method is usually used when
+ * the result of a query is not important, like a DDL query.
+ */
+ function query($sql, $params = array())
+ {
+ }
+
+ /**
+ * Starts a transaction on this connection, if supported.
+ */
+ function begin()
+ {
+ }
+
+ /**
+ * Commits a transaction on this connection, if supported.
+ */
+ function commit()
+ {
+ }
+
+ /**
+ * Performs a rollback on this connection, if supported.
+ */
+ function rollback()
+ {
+ }
+
+ /**
+ * Run an SQL query and return the first column of the first row
+ * of the result set, if any.
+ *
+ * @param string $sql An SQL string with placeholders. The
+ * placeholders are assumed to be specific to the database engine
+ * for this connection.
+ *
+ * @param array $params An array of parameters to insert into the
+ * SQL string using this connection's escaping mechanism.
+ *
+ * @return mixed $result The value of the first column of the
+ * first row of the result set. False if no such result was
+ * found.
+ */
+ function getOne($sql, $params = array())
+ {
+ }
+
+ /**
+ * Run an SQL query and return the first row of the result set, if
+ * any.
+ *
+ * @param string $sql An SQL string with placeholders. The
+ * placeholders are assumed to be specific to the database engine
+ * for this connection.
+ *
+ * @param array $params An array of parameters to insert into the
+ * SQL string using this connection's escaping mechanism.
+ *
+ * @return array $result The first row of the result set, if any,
+ * keyed on column name. False if no such result was found.
+ */
+ function getRow($sql, $params = array())
+ {
+ }
+
+ /**
+ * Run an SQL query with the specified parameters, if any.
+ *
+ * @param string $sql An SQL string with placeholders. The
+ * placeholders are assumed to be specific to the database engine
+ * for this connection.
+ *
+ * @param array $params An array of parameters to insert into the
+ * SQL string using this connection's escaping mechanism.
+ *
+ * @return array $result An array of arrays representing the
+ * result of the query; each array is keyed on column name.
+ */
+ function getAll($sql, $params = array())
+ {
+ }
+}
+
diff --git a/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/DiffieHellman.php b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/DiffieHellman.php
new file mode 100644
index 0000000..3e25b7d
--- /dev/null
+++ b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/DiffieHellman.php
@@ -0,0 +1,113 @@
+<?php
+
+/**
+ * The OpenID library's Diffie-Hellman implementation.
+ *
+ * PHP versions 4 and 5
+ *
+ * LICENSE: See the COPYING file included in this distribution.
+ *
+ * @access private
+ * @package OpenID
+ * @author JanRain, Inc. <openid@janrain.com>
+ * @copyright 2005-2008 Janrain, Inc.
+ * @license http://www.apache.org/licenses/LICENSE-2.0 Apache
+ */
+
+require_once 'Auth/OpenID.php';
+require_once 'Auth/OpenID/BigMath.php';
+
+function Auth_OpenID_getDefaultMod()
+{
+ return '155172898181473697471232257763715539915724801'.
+ '966915404479707795314057629378541917580651227423'.
+ '698188993727816152646631438561595825688188889951'.
+ '272158842675419950341258706556549803580104870537'.
+ '681476726513255747040765857479291291572334510643'.
+ '245094715007229621094194349783925984760375594985'.
+ '848253359305585439638443';
+}
+
+function Auth_OpenID_getDefaultGen()
+{
+ return '2';
+}
+
+/**
+ * The Diffie-Hellman key exchange class. This class relies on
+ * {@link Auth_OpenID_MathLibrary} to perform large number operations.
+ *
+ * @access private
+ * @package OpenID
+ */
+class Auth_OpenID_DiffieHellman {
+
+ var $mod;
+ var $gen;
+ var $private;
+ var $lib = null;
+
+ function Auth_OpenID_DiffieHellman($mod = null, $gen = null,
+ $private = null, $lib = null)
+ {
+ if ($lib === null) {
+ $this->lib = Auth_OpenID_getMathLib();
+ } else {
+ $this->lib = $lib;
+ }
+
+ if ($mod === null) {
+ $this->mod = $this->lib->init(Auth_OpenID_getDefaultMod());
+ } else {
+ $this->mod = $mod;
+ }
+
+ if ($gen === null) {
+ $this->gen = $this->lib->init(Auth_OpenID_getDefaultGen());
+ } else {
+ $this->gen = $gen;
+ }
+
+ if ($private === null) {
+ $r = $this->lib->rand($this->mod);
+ $this->private = $this->lib->add($r, 1);
+ } else {
+ $this->private = $private;
+ }
+
+ $this->public = $this->lib->powmod($this->gen, $this->private,
+ $this->mod);
+ }
+
+ function getSharedSecret($composite)
+ {
+ return $this->lib->powmod($composite, $this->private, $this->mod);
+ }
+
+ function getPublicKey()
+ {
+ return $this->public;
+ }
+
+ function usingDefaultValues()
+ {
+ return ($this->mod == Auth_OpenID_getDefaultMod() &&
+ $this->gen == Auth_OpenID_getDefaultGen());
+ }
+
+ function xorSecret($composite, $secret, $hash_func)
+ {
+ $dh_shared = $this->getSharedSecret($composite);
+ $dh_shared_str = $this->lib->longToBinary($dh_shared);
+ $hash_dh_shared = $hash_func($dh_shared_str);
+
+ $xsecret = "";
+ for ($i = 0; $i < Auth_OpenID::bytes($secret); $i++) {
+ $xsecret .= chr(ord($secret[$i]) ^ ord($hash_dh_shared[$i]));
+ }
+
+ return $xsecret;
+ }
+}
+
+
diff --git a/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/Discover.php b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/Discover.php
new file mode 100644
index 0000000..7b0c640
--- /dev/null
+++ b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/Discover.php
@@ -0,0 +1,606 @@
+<?php
+
+/**
+ * The OpenID and Yadis discovery implementation for OpenID 1.2.
+ */
+
+require_once "Auth/OpenID.php";
+require_once "Auth/OpenID/Parse.php";
+require_once "Auth/OpenID/Message.php";
+require_once "Auth/Yadis/XRIRes.php";
+require_once "Auth/Yadis/Yadis.php";
+
+// XML namespace value
+define('Auth_OpenID_XMLNS_1_0', 'http://openid.net/xmlns/1.0');
+
+// Yadis service types
+define('Auth_OpenID_TYPE_1_2', 'http://openid.net/signon/1.2');
+define('Auth_OpenID_TYPE_1_1', 'http://openid.net/signon/1.1');
+define('Auth_OpenID_TYPE_1_0', 'http://openid.net/signon/1.0');
+define('Auth_OpenID_TYPE_2_0_IDP', 'http://specs.openid.net/auth/2.0/server');
+define('Auth_OpenID_TYPE_2_0', 'http://specs.openid.net/auth/2.0/signon');
+define('Auth_OpenID_RP_RETURN_TO_URL_TYPE',
+ 'http://specs.openid.net/auth/2.0/return_to');
+
+function Auth_OpenID_getOpenIDTypeURIs()
+{
+ return array(Auth_OpenID_TYPE_2_0_IDP,
+ Auth_OpenID_TYPE_2_0,
+ Auth_OpenID_TYPE_1_2,
+ Auth_OpenID_TYPE_1_1,
+ Auth_OpenID_TYPE_1_0);
+}
+
+function Auth_OpenID_getOpenIDConsumerTypeURIs()
+{
+ return array(Auth_OpenID_RP_RETURN_TO_URL_TYPE);
+}
+
+
+/*
+ * Provides a user-readable interpretation of a type uri.
+ * Useful for error messages.
+ */
+function Auth_OpenID_getOpenIDTypeName($type_uri) {
+ switch ($type_uri) {
+ case Auth_OpenID_TYPE_2_0_IDP:
+ return 'OpenID 2.0 IDP';
+ case Auth_OpenID_TYPE_2_0:
+ return 'OpenID 2.0';
+ case Auth_OpenID_TYPE_1_2:
+ return 'OpenID 1.2';
+ case Auth_OpenID_TYPE_1_1:
+ return 'OpenID 1.1';
+ case Auth_OpenID_TYPE_1_0:
+ return 'OpenID 1.0';
+ case Auth_OpenID_RP_RETURN_TO_URL_TYPE:
+ return 'OpenID relying party';
+ }
+}
+
+/**
+ * Object representing an OpenID service endpoint.
+ */
+class Auth_OpenID_ServiceEndpoint {
+ function Auth_OpenID_ServiceEndpoint()
+ {
+ $this->claimed_id = null;
+ $this->server_url = null;
+ $this->type_uris = array();
+ $this->local_id = null;
+ $this->canonicalID = null;
+ $this->used_yadis = false; // whether this came from an XRDS
+ $this->display_identifier = null;
+ }
+
+ function getDisplayIdentifier()
+ {
+ if ($this->display_identifier) {
+ return $this->display_identifier;
+ }
+ if (! $this->claimed_id) {
+ return $this->claimed_id;
+ }
+ $parsed = parse_url($this->claimed_id);
+ $scheme = $parsed['scheme'];
+ $host = $parsed['host'];
+ $path = $parsed['path'];
+ if (array_key_exists('query', $parsed)) {
+ $query = $parsed['query'];
+ $no_frag = "$scheme://$host$path?$query";
+ } else {
+ $no_frag = "$scheme://$host$path";
+ }
+ return $no_frag;
+ }
+
+ function usesExtension($extension_uri)
+ {
+ return in_array($extension_uri, $this->type_uris);
+ }
+
+ function preferredNamespace()
+ {
+ if (in_array(Auth_OpenID_TYPE_2_0_IDP, $this->type_uris) ||
+ in_array(Auth_OpenID_TYPE_2_0, $this->type_uris)) {
+ return Auth_OpenID_OPENID2_NS;
+ } else {
+ return Auth_OpenID_OPENID1_NS;
+ }
+ }
+
+ /*
+ * Query this endpoint to see if it has any of the given type
+ * URIs. This is useful for implementing other endpoint classes
+ * that e.g. need to check for the presence of multiple versions
+ * of a single protocol.
+ *
+ * @param $type_uris The URIs that you wish to check
+ *
+ * @return all types that are in both in type_uris and
+ * $this->type_uris
+ */
+ function matchTypes($type_uris)
+ {
+ $result = array();
+ foreach ($type_uris as $test_uri) {
+ if ($this->supportsType($test_uri)) {
+ $result[] = $test_uri;
+ }
+ }
+
+ return $result;
+ }
+
+ function supportsType($type_uri)
+ {
+ // Does this endpoint support this type?
+ return ((in_array($type_uri, $this->type_uris)) ||
+ (($type_uri == Auth_OpenID_TYPE_2_0) &&
+ $this->isOPIdentifier()));
+ }
+
+ function compatibilityMode()
+ {
+ return $this->preferredNamespace() != Auth_OpenID_OPENID2_NS;
+ }
+
+ function isOPIdentifier()
+ {
+ return in_array(Auth_OpenID_TYPE_2_0_IDP, $this->type_uris);
+ }
+
+ static function fromOPEndpointURL($op_endpoint_url)
+ {
+ // Construct an OP-Identifier OpenIDServiceEndpoint object for
+ // a given OP Endpoint URL
+ $obj = new Auth_OpenID_ServiceEndpoint();
+ $obj->server_url = $op_endpoint_url;
+ $obj->type_uris = array(Auth_OpenID_TYPE_2_0_IDP);
+ return $obj;
+ }
+
+ function parseService($yadis_url, $uri, $type_uris, $service_element)
+ {
+ // Set the state of this object based on the contents of the
+ // service element. Return true if successful, false if not
+ // (if findOPLocalIdentifier returns false).
+ $this->type_uris = $type_uris;
+ $this->server_url = $uri;
+ $this->used_yadis = true;
+
+ if (!$this->isOPIdentifier()) {
+ $this->claimed_id = $yadis_url;
+ $this->local_id = Auth_OpenID_findOPLocalIdentifier(
+ $service_element,
+ $this->type_uris);
+ if ($this->local_id === false) {
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+ function getLocalID()
+ {
+ // Return the identifier that should be sent as the
+ // openid.identity_url parameter to the server.
+ if ($this->local_id === null && $this->canonicalID === null) {
+ return $this->claimed_id;
+ } else {
+ if ($this->local_id) {
+ return $this->local_id;
+ } else {
+ return $this->canonicalID;
+ }
+ }
+ }
+
+ /*
+ * Parse the given document as XRDS looking for OpenID consumer services.
+ *
+ * @return array of Auth_OpenID_ServiceEndpoint or null if the
+ * document cannot be parsed.
+ */
+ function consumerFromXRDS($uri, $xrds_text)
+ {
+ $xrds =& Auth_Yadis_XRDS::parseXRDS($xrds_text);
+
+ if ($xrds) {
+ $yadis_services =
+ $xrds->services(array('filter_MatchesAnyOpenIDConsumerType'));
+ return Auth_OpenID_makeOpenIDEndpoints($uri, $yadis_services);
+ }
+
+ return null;
+ }
+
+ /*
+ * Parse the given document as XRDS looking for OpenID services.
+ *
+ * @return array of Auth_OpenID_ServiceEndpoint or null if the
+ * document cannot be parsed.
+ */
+ static function fromXRDS($uri, $xrds_text)
+ {
+ $xrds = Auth_Yadis_XRDS::parseXRDS($xrds_text);
+
+ if ($xrds) {
+ $yadis_services =
+ $xrds->services(array('filter_MatchesAnyOpenIDType'));
+ return Auth_OpenID_makeOpenIDEndpoints($uri, $yadis_services);
+ }
+
+ return null;
+ }
+
+ /*
+ * Create endpoints from a DiscoveryResult.
+ *
+ * @param discoveryResult Auth_Yadis_DiscoveryResult
+ * @return array of Auth_OpenID_ServiceEndpoint or null if
+ * endpoints cannot be created.
+ */
+ static function fromDiscoveryResult($discoveryResult)
+ {
+ if ($discoveryResult->isXRDS()) {
+ return Auth_OpenID_ServiceEndpoint::fromXRDS(
+ $discoveryResult->normalized_uri,
+ $discoveryResult->response_text);
+ } else {
+ return Auth_OpenID_ServiceEndpoint::fromHTML(
+ $discoveryResult->normalized_uri,
+ $discoveryResult->response_text);
+ }
+ }
+
+ static function fromHTML($uri, $html)
+ {
+ $discovery_types = array(
+ array(Auth_OpenID_TYPE_2_0,
+ 'openid2.provider', 'openid2.local_id'),
+ array(Auth_OpenID_TYPE_1_1,
+ 'openid.server', 'openid.delegate')
+ );
+
+ $services = array();
+
+ foreach ($discovery_types as $triple) {
+ list($type_uri, $server_rel, $delegate_rel) = $triple;
+
+ $urls = Auth_OpenID_legacy_discover($html, $server_rel,
+ $delegate_rel);
+
+ if ($urls === false) {
+ continue;
+ }
+
+ list($delegate_url, $server_url) = $urls;
+
+ $service = new Auth_OpenID_ServiceEndpoint();
+ $service->claimed_id = $uri;
+ $service->local_id = $delegate_url;
+ $service->server_url = $server_url;
+ $service->type_uris = array($type_uri);
+
+ $services[] = $service;
+ }
+
+ return $services;
+ }
+
+ function copy()
+ {
+ $x = new Auth_OpenID_ServiceEndpoint();
+
+ $x->claimed_id = $this->claimed_id;
+ $x->server_url = $this->server_url;
+ $x->type_uris = $this->type_uris;
+ $x->local_id = $this->local_id;
+ $x->canonicalID = $this->canonicalID;
+ $x->used_yadis = $this->used_yadis;
+
+ return $x;
+ }
+}
+
+function Auth_OpenID_findOPLocalIdentifier($service, $type_uris)
+{
+ // Extract a openid:Delegate value from a Yadis Service element.
+ // If no delegate is found, returns null. Returns false on
+ // discovery failure (when multiple delegate/localID tags have
+ // different values).
+
+ $service->parser->registerNamespace('openid',
+ Auth_OpenID_XMLNS_1_0);
+
+ $service->parser->registerNamespace('xrd',
+ Auth_Yadis_XMLNS_XRD_2_0);
+
+ $parser = $service->parser;
+
+ $permitted_tags = array();
+
+ if (in_array(Auth_OpenID_TYPE_1_1, $type_uris) ||
+ in_array(Auth_OpenID_TYPE_1_0, $type_uris)) {
+ $permitted_tags[] = 'openid:Delegate';
+ }
+
+ if (in_array(Auth_OpenID_TYPE_2_0, $type_uris)) {
+ $permitted_tags[] = 'xrd:LocalID';
+ }
+
+ $local_id = null;
+
+ foreach ($permitted_tags as $tag_name) {
+ $tags = $service->getElements($tag_name);
+
+ foreach ($tags as $tag) {
+ $content = $parser->content($tag);
+
+ if ($local_id === null) {
+ $local_id = $content;
+ } else if ($local_id != $content) {
+ return false;
+ }
+ }
+ }
+
+ return $local_id;
+}
+
+function filter_MatchesAnyOpenIDType($service)
+{
+ $uris = $service->getTypes();
+
+ foreach ($uris as $uri) {
+ if (in_array($uri, Auth_OpenID_getOpenIDTypeURIs())) {
+ return true;
+ }
+ }
+
+ return false;
+}
+
+function filter_MatchesAnyOpenIDConsumerType(&$service)
+{
+ $uris = $service->getTypes();
+
+ foreach ($uris as $uri) {
+ if (in_array($uri, Auth_OpenID_getOpenIDConsumerTypeURIs())) {
+ return true;
+ }
+ }
+
+ return false;
+}
+
+function Auth_OpenID_bestMatchingService($service, $preferred_types)
+{
+ // Return the index of the first matching type, or something
+ // higher if no type matches.
+ //
+ // This provides an ordering in which service elements that
+ // contain a type that comes earlier in the preferred types list
+ // come before service elements that come later. If a service
+ // element has more than one type, the most preferred one wins.
+
+ foreach ($preferred_types as $index => $typ) {
+ if (in_array($typ, $service->type_uris)) {
+ return $index;
+ }
+ }
+
+ return count($preferred_types);
+}
+
+function Auth_OpenID_arrangeByType($service_list, $preferred_types)
+{
+ // Rearrange service_list in a new list so services are ordered by
+ // types listed in preferred_types. Return the new list.
+
+ // Build a list with the service elements in tuples whose
+ // comparison will prefer the one with the best matching service
+ $prio_services = array();
+ foreach ($service_list as $index => $service) {
+ $prio_services[] = array(Auth_OpenID_bestMatchingService($service,
+ $preferred_types),
+ $index, $service);
+ }
+
+ sort($prio_services);
+
+ // Now that the services are sorted by priority, remove the sort
+ // keys from the list.
+ foreach ($prio_services as $index => $s) {
+ $prio_services[$index] = $prio_services[$index][2];
+ }
+
+ return $prio_services;
+}
+
+// Extract OP Identifier services. If none found, return the rest,
+// sorted with most preferred first according to
+// OpenIDServiceEndpoint.openid_type_uris.
+//
+// openid_services is a list of OpenIDServiceEndpoint objects.
+//
+// Returns a list of OpenIDServiceEndpoint objects."""
+function Auth_OpenID_getOPOrUserServices($openid_services)
+{
+ $op_services = Auth_OpenID_arrangeByType($openid_services,
+ array(Auth_OpenID_TYPE_2_0_IDP));
+
+ $openid_services = Auth_OpenID_arrangeByType($openid_services,
+ Auth_OpenID_getOpenIDTypeURIs());
+
+ if ($op_services) {
+ return $op_services;
+ } else {
+ return $openid_services;
+ }
+}
+
+function Auth_OpenID_makeOpenIDEndpoints($uri, $yadis_services)
+{
+ $s = array();
+
+ if (!$yadis_services) {
+ return $s;
+ }
+
+ foreach ($yadis_services as $service) {
+ $type_uris = $service->getTypes();
+ $uris = $service->getURIs();
+
+ // If any Type URIs match and there is an endpoint URI
+ // specified, then this is an OpenID endpoint
+ if ($type_uris &&
+ $uris) {
+ foreach ($uris as $service_uri) {
+ $openid_endpoint = new Auth_OpenID_ServiceEndpoint();
+ if ($openid_endpoint->parseService($uri,
+ $service_uri,
+ $type_uris,
+ $service)) {
+ $s[] = $openid_endpoint;
+ }
+ }
+ }
+ }
+
+ return $s;
+}
+
+function Auth_OpenID_discoverWithYadis($uri, $fetcher,
+ $endpoint_filter='Auth_OpenID_getOPOrUserServices',
+ $discover_function=null)
+{
+ // Discover OpenID services for a URI. Tries Yadis and falls back
+ // on old-style <link rel='...'> discovery if Yadis fails.
+
+ // Might raise a yadis.discover.DiscoveryFailure if no document
+ // came back for that URI at all. I don't think falling back to
+ // OpenID 1.0 discovery on the same URL will help, so don't bother
+ // to catch it.
+ if ($discover_function === null) {
+ $discover_function = array('Auth_Yadis_Yadis', 'discover');
+ }
+
+ $openid_services = array();
+
+ $response = call_user_func_array($discover_function,
+ array($uri, $fetcher));
+
+ $yadis_url = $response->normalized_uri;
+ $yadis_services = array();
+
+ if ($response->isFailure() && !$response->isXRDS()) {
+ return array($uri, array());
+ }
+
+ $openid_services = Auth_OpenID_ServiceEndpoint::fromXRDS(
+ $yadis_url,
+ $response->response_text);
+
+ if (!$openid_services) {
+ if ($response->isXRDS()) {
+ return Auth_OpenID_discoverWithoutYadis($uri,
+ $fetcher);
+ }
+
+ // Try to parse the response as HTML to get OpenID 1.0/1.1
+ // <link rel="...">
+ $openid_services = Auth_OpenID_ServiceEndpoint::fromHTML(
+ $yadis_url,
+ $response->response_text);
+ }
+
+ $openid_services = call_user_func_array($endpoint_filter,
+ array($openid_services));
+
+ return array($yadis_url, $openid_services);
+}
+
+function Auth_OpenID_discoverURI($uri, $fetcher)
+{
+ $uri = Auth_OpenID::normalizeUrl($uri);
+ return Auth_OpenID_discoverWithYadis($uri, $fetcher);
+}
+
+function Auth_OpenID_discoverWithoutYadis($uri, $fetcher)
+{
+ $http_resp = @$fetcher->get($uri);
+
+ if ($http_resp->status != 200 and $http_resp->status != 206) {
+ return array($uri, array());
+ }
+
+ $identity_url = $http_resp->final_url;
+
+ // Try to parse the response as HTML to get OpenID 1.0/1.1 <link
+ // rel="...">
+ $openid_services = Auth_OpenID_ServiceEndpoint::fromHTML(
+ $identity_url,
+ $http_resp->body);
+
+ return array($identity_url, $openid_services);
+}
+
+function Auth_OpenID_discoverXRI($iname, $fetcher)
+{
+ $resolver = new Auth_Yadis_ProxyResolver($fetcher);
+ list($canonicalID, $yadis_services) =
+ $resolver->query($iname,
+ Auth_OpenID_getOpenIDTypeURIs(),
+ array('filter_MatchesAnyOpenIDType'));
+
+ $openid_services = Auth_OpenID_makeOpenIDEndpoints($iname,
+ $yadis_services);
+
+ $openid_services = Auth_OpenID_getOPOrUserServices($openid_services);
+
+ for ($i = 0; $i < count($openid_services); $i++) {
+ $openid_services[$i]->canonicalID = $canonicalID;
+ $openid_services[$i]->claimed_id = $canonicalID;
+ $openid_services[$i]->display_identifier = $iname;
+ }
+
+ // FIXME: returned xri should probably be in some normal form
+ return array($iname, $openid_services);
+}
+
+function Auth_OpenID_discover($uri, $fetcher)
+{
+ // If the fetcher (i.e., PHP) doesn't support SSL, we can't do
+ // discovery on an HTTPS URL.
+ if ($fetcher->isHTTPS($uri) && !$fetcher->supportsSSL()) {
+ return array($uri, array());
+ }
+
+ if (Auth_Yadis_identifierScheme($uri) == 'XRI') {
+ $result = Auth_OpenID_discoverXRI($uri, $fetcher);
+ } else {
+ $result = Auth_OpenID_discoverURI($uri, $fetcher);
+ }
+
+ // If the fetcher doesn't support SSL, we can't interact with
+ // HTTPS server URLs; remove those endpoints from the list.
+ if (!$fetcher->supportsSSL()) {
+ $http_endpoints = array();
+ list($new_uri, $endpoints) = $result;
+
+ foreach ($endpoints as $e) {
+ if (!$fetcher->isHTTPS($e->server_url)) {
+ $http_endpoints[] = $e;
+ }
+ }
+
+ $result = array($new_uri, $http_endpoints);
+ }
+
+ return $result;
+}
+
+
diff --git a/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/DumbStore.php b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/DumbStore.php
new file mode 100644
index 0000000..e8f29ac
--- /dev/null
+++ b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/DumbStore.php
@@ -0,0 +1,99 @@
+<?php
+
+/**
+ * This file supplies a dumb store backend for OpenID servers and
+ * consumers.
+ *
+ * PHP versions 4 and 5
+ *
+ * LICENSE: See the COPYING file included in this distribution.
+ *
+ * @package OpenID
+ * @author JanRain, Inc. <openid@janrain.com>
+ * @copyright 2005-2008 Janrain, Inc.
+ * @license http://www.apache.org/licenses/LICENSE-2.0 Apache
+ */
+
+/**
+ * Import the interface for creating a new store class.
+ */
+require_once 'Auth/OpenID/Interface.php';
+require_once 'Auth/OpenID/HMAC.php';
+
+/**
+ * This is a store for use in the worst case, when you have no way of
+ * saving state on the consumer site. Using this store makes the
+ * consumer vulnerable to replay attacks, as it's unable to use
+ * nonces. Avoid using this store if it is at all possible.
+ *
+ * Most of the methods of this class are implementation details.
+ * Users of this class need to worry only about the constructor.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_DumbStore extends Auth_OpenID_OpenIDStore {
+
+ /**
+ * Creates a new {@link Auth_OpenID_DumbStore} instance. For the security
+ * of the tokens generated by the library, this class attempts to
+ * at least have a secure implementation of getAuthKey.
+ *
+ * When you create an instance of this class, pass in a secret
+ * phrase. The phrase is hashed with sha1 to make it the correct
+ * length and form for an auth key. That allows you to use a long
+ * string as the secret phrase, which means you can make it very
+ * difficult to guess.
+ *
+ * Each {@link Auth_OpenID_DumbStore} instance that is created for use by
+ * your consumer site needs to use the same $secret_phrase.
+ *
+ * @param string secret_phrase The phrase used to create the auth
+ * key returned by getAuthKey
+ */
+ function Auth_OpenID_DumbStore($secret_phrase)
+ {
+ $this->auth_key = Auth_OpenID_SHA1($secret_phrase);
+ }
+
+ /**
+ * This implementation does nothing.
+ */
+ function storeAssociation($server_url, $association)
+ {
+ }
+
+ /**
+ * This implementation always returns null.
+ */
+ function getAssociation($server_url, $handle = null)
+ {
+ return null;
+ }
+
+ /**
+ * This implementation always returns false.
+ */
+ function removeAssociation($server_url, $handle)
+ {
+ return false;
+ }
+
+ /**
+ * In a system truly limited to dumb mode, nonces must all be
+ * accepted. This therefore always returns true, which makes
+ * replay attacks feasible.
+ */
+ function useNonce($server_url, $timestamp, $salt)
+ {
+ return true;
+ }
+
+ /**
+ * This method returns the auth key generated by the constructor.
+ */
+ function getAuthKey()
+ {
+ return $this->auth_key;
+ }
+}
+
diff --git a/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/Extension.php b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/Extension.php
new file mode 100644
index 0000000..542a1da
--- /dev/null
+++ b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/Extension.php
@@ -0,0 +1,66 @@
+<?php
+
+/**
+ * An interface for OpenID extensions.
+ *
+ * @package OpenID
+ */
+
+/**
+ * Require the Message implementation.
+ */
+require_once 'Auth/OpenID/Message.php';
+
+/**
+ * A base class for accessing extension request and response data for
+ * the OpenID 2 protocol.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_Extension {
+ /**
+ * ns_uri: The namespace to which to add the arguments for this
+ * extension
+ */
+ var $ns_uri = null;
+ var $ns_alias = null;
+
+ /**
+ * Get the string arguments that should be added to an OpenID
+ * message for this extension.
+ */
+ function getExtensionArgs()
+ {
+ return null;
+ }
+
+ /**
+ * Add the arguments from this extension to the provided message.
+ *
+ * Returns the message with the extension arguments added.
+ */
+ function toMessage($message, $request = null)
+ {
+ $implicit = $message->isOpenID1();
+ $added = $message->namespaces->addAlias($this->ns_uri,
+ $this->ns_alias,
+ $implicit);
+
+ if ($added === null) {
+ if ($message->namespaces->getAlias($this->ns_uri) !=
+ $this->ns_alias) {
+ return null;
+ }
+ }
+
+ if ($request !== null) {
+ $message->updateArgs($this->ns_uri,
+ $this->getExtensionArgs($request));
+ } else {
+ $message->updateArgs($this->ns_uri,
+ $this->getExtensionArgs());
+ }
+ return $message;
+ }
+}
+
diff --git a/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/FileStore.php b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/FileStore.php
new file mode 100644
index 0000000..7eec791
--- /dev/null
+++ b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/FileStore.php
@@ -0,0 +1,627 @@
+<?php
+
+/**
+ * This file supplies a Memcached store backend for OpenID servers and
+ * consumers.
+ *
+ * PHP versions 4 and 5
+ *
+ * LICENSE: See the COPYING file included in this distribution.
+ *
+ * @package OpenID
+ * @author JanRain, Inc. <openid@janrain.com>
+ * @copyright 2005-2008 Janrain, Inc.
+ * @license http://www.apache.org/licenses/LICENSE-2.0 Apache
+ */
+
+/**
+ * Require base class for creating a new interface.
+ */
+require_once 'Auth/OpenID.php';
+require_once 'Auth/OpenID/Interface.php';
+require_once 'Auth/OpenID/HMAC.php';
+require_once 'Auth/OpenID/Nonce.php';
+
+/**
+ * This is a filesystem-based store for OpenID associations and
+ * nonces. This store should be safe for use in concurrent systems on
+ * both windows and unix (excluding NFS filesystems). There are a
+ * couple race conditions in the system, but those failure cases have
+ * been set up in such a way that the worst-case behavior is someone
+ * having to try to log in a second time.
+ *
+ * Most of the methods of this class are implementation details.
+ * People wishing to just use this store need only pay attention to
+ * the constructor.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_FileStore extends Auth_OpenID_OpenIDStore {
+
+ /**
+ * Initializes a new {@link Auth_OpenID_FileStore}. This
+ * initializes the nonce and association directories, which are
+ * subdirectories of the directory passed in.
+ *
+ * @param string $directory This is the directory to put the store
+ * directories in.
+ */
+ function Auth_OpenID_FileStore($directory)
+ {
+ if (!Auth_OpenID::ensureDir($directory)) {
+ trigger_error('Not a directory and failed to create: '
+ . $directory, E_USER_ERROR);
+ }
+ $directory = realpath($directory);
+
+ $this->directory = $directory;
+ $this->active = true;
+
+ $this->nonce_dir = $directory . DIRECTORY_SEPARATOR . 'nonces';
+
+ $this->association_dir = $directory . DIRECTORY_SEPARATOR .
+ 'associations';
+
+ // Temp dir must be on the same filesystem as the assciations
+ // $directory.
+ $this->temp_dir = $directory . DIRECTORY_SEPARATOR . 'temp';
+
+ $this->max_nonce_age = 6 * 60 * 60; // Six hours, in seconds
+
+ if (!$this->_setup()) {
+ trigger_error('Failed to initialize OpenID file store in ' .
+ $directory, E_USER_ERROR);
+ }
+ }
+
+ function destroy()
+ {
+ Auth_OpenID_FileStore::_rmtree($this->directory);
+ $this->active = false;
+ }
+
+ /**
+ * Make sure that the directories in which we store our data
+ * exist.
+ *
+ * @access private
+ */
+ function _setup()
+ {
+ return (Auth_OpenID::ensureDir($this->nonce_dir) &&
+ Auth_OpenID::ensureDir($this->association_dir) &&
+ Auth_OpenID::ensureDir($this->temp_dir));
+ }
+
+ /**
+ * Create a temporary file on the same filesystem as
+ * $this->association_dir.
+ *
+ * The temporary directory should not be cleaned if there are any
+ * processes using the store. If there is no active process using
+ * the store, it is safe to remove all of the files in the
+ * temporary directory.
+ *
+ * @return array ($fd, $filename)
+ * @access private
+ */
+ function _mktemp()
+ {
+ $name = Auth_OpenID_FileStore::_mkstemp($dir = $this->temp_dir);
+ $file_obj = @fopen($name, 'wb');
+ if ($file_obj !== false) {
+ return array($file_obj, $name);
+ } else {
+ Auth_OpenID_FileStore::_removeIfPresent($name);
+ }
+ }
+
+ function cleanupNonces()
+ {
+ global $Auth_OpenID_SKEW;
+
+ $nonces = Auth_OpenID_FileStore::_listdir($this->nonce_dir);
+ $now = time();
+
+ $removed = 0;
+ // Check all nonces for expiry
+ foreach ($nonces as $nonce_fname) {
+ $base = basename($nonce_fname);
+ $parts = explode('-', $base, 2);
+ $timestamp = $parts[0];
+ $timestamp = intval($timestamp, 16);
+ if (abs($timestamp - $now) > $Auth_OpenID_SKEW) {
+ Auth_OpenID_FileStore::_removeIfPresent($nonce_fname);
+ $removed += 1;
+ }
+ }
+ return $removed;
+ }
+
+ /**
+ * Create a unique filename for a given server url and
+ * handle. This implementation does not assume anything about the
+ * format of the handle. The filename that is returned will
+ * contain the domain name from the server URL for ease of human
+ * inspection of the data directory.
+ *
+ * @return string $filename
+ */
+ function getAssociationFilename($server_url, $handle)
+ {
+ if (!$this->active) {
+ trigger_error("FileStore no longer active", E_USER_ERROR);
+ return null;
+ }
+
+ if (strpos($server_url, '://') === false) {
+ trigger_error(sprintf("Bad server URL: %s", $server_url),
+ E_USER_WARNING);
+ return null;
+ }
+
+ list($proto, $rest) = explode('://', $server_url, 2);
+ $parts = explode('/', $rest);
+ $domain = Auth_OpenID_FileStore::_filenameEscape($parts[0]);
+ $url_hash = Auth_OpenID_FileStore::_safe64($server_url);
+ if ($handle) {
+ $handle_hash = Auth_OpenID_FileStore::_safe64($handle);
+ } else {
+ $handle_hash = '';
+ }
+
+ $filename = sprintf('%s-%s-%s-%s', $proto, $domain, $url_hash,
+ $handle_hash);
+
+ return $this->association_dir. DIRECTORY_SEPARATOR . $filename;
+ }
+
+ /**
+ * Store an association in the association directory.
+ */
+ function storeAssociation($server_url, $association)
+ {
+ if (!$this->active) {
+ trigger_error("FileStore no longer active", E_USER_ERROR);
+ return false;
+ }
+
+ $association_s = $association->serialize();
+ $filename = $this->getAssociationFilename($server_url,
+ $association->handle);
+ list($tmp_file, $tmp) = $this->_mktemp();
+
+ if (!$tmp_file) {
+ trigger_error("_mktemp didn't return a valid file descriptor",
+ E_USER_WARNING);
+ return false;
+ }
+
+ fwrite($tmp_file, $association_s);
+
+ fflush($tmp_file);
+
+ fclose($tmp_file);
+
+ if (@rename($tmp, $filename)) {
+ return true;
+ } else {
+ // In case we are running on Windows, try unlinking the
+ // file in case it exists.
+ @unlink($filename);
+
+ // Now the target should not exist. Try renaming again,
+ // giving up if it fails.
+ if (@rename($tmp, $filename)) {
+ return true;
+ }
+ }
+
+ // If there was an error, don't leave the temporary file
+ // around.
+ Auth_OpenID_FileStore::_removeIfPresent($tmp);
+ return false;
+ }
+
+ /**
+ * Retrieve an association. If no handle is specified, return the
+ * association with the most recent issue time.
+ *
+ * @return mixed $association
+ */
+ function getAssociation($server_url, $handle = null)
+ {
+ if (!$this->active) {
+ trigger_error("FileStore no longer active", E_USER_ERROR);
+ return null;
+ }
+
+ if ($handle === null) {
+ $handle = '';
+ }
+
+ // The filename with the empty handle is a prefix of all other
+ // associations for the given server URL.
+ $filename = $this->getAssociationFilename($server_url, $handle);
+
+ if ($handle) {
+ return $this->_getAssociation($filename);
+ } else {
+ $association_files =
+ Auth_OpenID_FileStore::_listdir($this->association_dir);
+ $matching_files = array();
+
+ // strip off the path to do the comparison
+ $name = basename($filename);
+ foreach ($association_files as $association_file) {
+ $base = basename($association_file);
+ if (strpos($base, $name) === 0) {
+ $matching_files[] = $association_file;
+ }
+ }
+
+ $matching_associations = array();
+ // read the matching files and sort by time issued
+ foreach ($matching_files as $full_name) {
+ $association = $this->_getAssociation($full_name);
+ if ($association !== null) {
+ $matching_associations[] = array($association->issued,
+ $association);
+ }
+ }
+
+ $issued = array();
+ $assocs = array();
+ foreach ($matching_associations as $key => $assoc) {
+ $issued[$key] = $assoc[0];
+ $assocs[$key] = $assoc[1];
+ }
+
+ array_multisort($issued, SORT_DESC, $assocs, SORT_DESC,
+ $matching_associations);
+
+ // return the most recently issued one.
+ if ($matching_associations) {
+ list($issued, $assoc) = $matching_associations[0];
+ return $assoc;
+ } else {
+ return null;
+ }
+ }
+ }
+
+ /**
+ * @access private
+ */
+ function _getAssociation($filename)
+ {
+ if (!$this->active) {
+ trigger_error("FileStore no longer active", E_USER_ERROR);
+ return null;
+ }
+
+ if (file_exists($filename) !== true) {
+ return null;
+ }
+
+ $assoc_file = @fopen($filename, 'rb');
+
+ if ($assoc_file === false) {
+ return null;
+ }
+
+ $filesize = filesize($filename);
+ if ($filesize === false || $filesize <= 0) {
+ return null;
+ }
+
+ $assoc_s = fread($assoc_file, $filesize);
+ fclose($assoc_file);
+
+ if (!$assoc_s) {
+ return null;
+ }
+
+ $association =
+ Auth_OpenID_Association::deserialize('Auth_OpenID_Association',
+ $assoc_s);
+
+ if (!$association) {
+ Auth_OpenID_FileStore::_removeIfPresent($filename);
+ return null;
+ }
+
+ if ($association->getExpiresIn() == 0) {
+ Auth_OpenID_FileStore::_removeIfPresent($filename);
+ return null;
+ } else {
+ return $association;
+ }
+ }
+
+ /**
+ * Remove an association if it exists. Do nothing if it does not.
+ *
+ * @return bool $success
+ */
+ function removeAssociation($server_url, $handle)
+ {
+ if (!$this->active) {
+ trigger_error("FileStore no longer active", E_USER_ERROR);
+ return null;
+ }
+
+ $assoc = $this->getAssociation($server_url, $handle);
+ if ($assoc === null) {
+ return false;
+ } else {
+ $filename = $this->getAssociationFilename($server_url, $handle);
+ return Auth_OpenID_FileStore::_removeIfPresent($filename);
+ }
+ }
+
+ /**
+ * Return whether this nonce is present. As a side effect, mark it
+ * as no longer present.
+ *
+ * @return bool $present
+ */
+ function useNonce($server_url, $timestamp, $salt)
+ {
+ global $Auth_OpenID_SKEW;
+
+ if (!$this->active) {
+ trigger_error("FileStore no longer active", E_USER_ERROR);
+ return null;
+ }
+
+ if ( abs($timestamp - time()) > $Auth_OpenID_SKEW ) {
+ return false;
+ }
+
+ if ($server_url) {
+ list($proto, $rest) = explode('://', $server_url, 2);
+ } else {
+ $proto = '';
+ $rest = '';
+ }
+
+ $parts = explode('/', $rest, 2);
+ $domain = $this->_filenameEscape($parts[0]);
+ $url_hash = $this->_safe64($server_url);
+ $salt_hash = $this->_safe64($salt);
+
+ $filename = sprintf('%08x-%s-%s-%s-%s', $timestamp, $proto,
+ $domain, $url_hash, $salt_hash);
+ $filename = $this->nonce_dir . DIRECTORY_SEPARATOR . $filename;
+
+ $result = @fopen($filename, 'x');
+
+ if ($result === false) {
+ return false;
+ } else {
+ fclose($result);
+ return true;
+ }
+ }
+
+ /**
+ * Remove expired entries from the database. This is potentially
+ * expensive, so only run when it is acceptable to take time.
+ *
+ * @access private
+ */
+ function _allAssocs()
+ {
+ $all_associations = array();
+
+ $association_filenames =
+ Auth_OpenID_FileStore::_listdir($this->association_dir);
+
+ foreach ($association_filenames as $association_filename) {
+ $association_file = fopen($association_filename, 'rb');
+
+ if ($association_file !== false) {
+ $assoc_s = fread($association_file,
+ filesize($association_filename));
+ fclose($association_file);
+
+ // Remove expired or corrupted associations
+ $association =
+ Auth_OpenID_Association::deserialize(
+ 'Auth_OpenID_Association', $assoc_s);
+
+ if ($association === null) {
+ Auth_OpenID_FileStore::_removeIfPresent(
+ $association_filename);
+ } else {
+ if ($association->getExpiresIn() == 0) {
+ $all_associations[] = array($association_filename,
+ $association);
+ }
+ }
+ }
+ }
+
+ return $all_associations;
+ }
+
+ function clean()
+ {
+ if (!$this->active) {
+ trigger_error("FileStore no longer active", E_USER_ERROR);
+ return null;
+ }
+
+ $nonces = Auth_OpenID_FileStore::_listdir($this->nonce_dir);
+ $now = time();
+
+ // Check all nonces for expiry
+ foreach ($nonces as $nonce) {
+ if (!Auth_OpenID_checkTimestamp($nonce, $now)) {
+ $filename = $this->nonce_dir . DIRECTORY_SEPARATOR . $nonce;
+ Auth_OpenID_FileStore::_removeIfPresent($filename);
+ }
+ }
+
+ foreach ($this->_allAssocs() as $pair) {
+ list($assoc_filename, $assoc) = $pair;
+ if ($assoc->getExpiresIn() == 0) {
+ Auth_OpenID_FileStore::_removeIfPresent($assoc_filename);
+ }
+ }
+ }
+
+ /**
+ * @access private
+ */
+ function _rmtree($dir)
+ {
+ if ($dir[strlen($dir) - 1] != DIRECTORY_SEPARATOR) {
+ $dir .= DIRECTORY_SEPARATOR;
+ }
+
+ if ($handle = opendir($dir)) {
+ while ($item = readdir($handle)) {
+ if (!in_array($item, array('.', '..'))) {
+ if (is_dir($dir . $item)) {
+
+ if (!Auth_OpenID_FileStore::_rmtree($dir . $item)) {
+ return false;
+ }
+ } else if (is_file($dir . $item)) {
+ if (!unlink($dir . $item)) {
+ return false;
+ }
+ }
+ }
+ }
+
+ closedir($handle);
+
+ if (!@rmdir($dir)) {
+ return false;
+ }
+
+ return true;
+ } else {
+ // Couldn't open directory.
+ return false;
+ }
+ }
+
+ /**
+ * @access private
+ */
+ function _mkstemp($dir)
+ {
+ foreach (range(0, 4) as $i) {
+ $name = tempnam($dir, "php_openid_filestore_");
+
+ if ($name !== false) {
+ return $name;
+ }
+ }
+ return false;
+ }
+
+ /**
+ * @access private
+ */
+ static function _mkdtemp($dir)
+ {
+ foreach (range(0, 4) as $i) {
+ $name = $dir . strval(DIRECTORY_SEPARATOR) . strval(getmypid()) .
+ "-" . strval(rand(1, time()));
+ if (!mkdir($name, 0700)) {
+ return false;
+ } else {
+ return $name;
+ }
+ }
+ return false;
+ }
+
+ /**
+ * @access private
+ */
+ function _listdir($dir)
+ {
+ $handle = opendir($dir);
+ $files = array();
+ while (false !== ($filename = readdir($handle))) {
+ if (!in_array($filename, array('.', '..'))) {
+ $files[] = $dir . DIRECTORY_SEPARATOR . $filename;
+ }
+ }
+ return $files;
+ }
+
+ /**
+ * @access private
+ */
+ function _isFilenameSafe($char)
+ {
+ $_Auth_OpenID_filename_allowed = Auth_OpenID_letters .
+ Auth_OpenID_digits . ".";
+ return (strpos($_Auth_OpenID_filename_allowed, $char) !== false);
+ }
+
+ /**
+ * @access private
+ */
+ function _safe64($str)
+ {
+ $h64 = base64_encode(Auth_OpenID_SHA1($str));
+ $h64 = str_replace('+', '_', $h64);
+ $h64 = str_replace('/', '.', $h64);
+ $h64 = str_replace('=', '', $h64);
+ return $h64;
+ }
+
+ /**
+ * @access private
+ */
+ function _filenameEscape($str)
+ {
+ $filename = "";
+ $b = Auth_OpenID::toBytes($str);
+
+ for ($i = 0; $i < count($b); $i++) {
+ $c = $b[$i];
+ if (Auth_OpenID_FileStore::_isFilenameSafe($c)) {
+ $filename .= $c;
+ } else {
+ $filename .= sprintf("_%02X", ord($c));
+ }
+ }
+ return $filename;
+ }
+
+ /**
+ * Attempt to remove a file, returning whether the file existed at
+ * the time of the call.
+ *
+ * @access private
+ * @return bool $result True if the file was present, false if not.
+ */
+ function _removeIfPresent($filename)
+ {
+ return @unlink($filename);
+ }
+
+ function cleanupAssociations()
+ {
+ $removed = 0;
+ foreach ($this->_allAssocs() as $pair) {
+ list($assoc_filename, $assoc) = $pair;
+ if ($assoc->getExpiresIn() == 0) {
+ $this->_removeIfPresent($assoc_filename);
+ $removed += 1;
+ }
+ }
+ return $removed;
+ }
+}
+
+
diff --git a/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/HMAC.php b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/HMAC.php
new file mode 100644
index 0000000..e6c4bdf
--- /dev/null
+++ b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/HMAC.php
@@ -0,0 +1,105 @@
+<?php
+
+/**
+ * This is the HMACSHA1 implementation for the OpenID library.
+ *
+ * PHP versions 4 and 5
+ *
+ * LICENSE: See the COPYING file included in this distribution.
+ *
+ * @access private
+ * @package OpenID
+ * @author JanRain, Inc. <openid@janrain.com>
+ * @copyright 2005-2008 Janrain, Inc.
+ * @license http://www.apache.org/licenses/LICENSE-2.0 Apache
+ */
+
+require_once 'Auth/OpenID.php';
+
+/**
+ * SHA1_BLOCKSIZE is this module's SHA1 blocksize used by the fallback
+ * implementation.
+ */
+define('Auth_OpenID_SHA1_BLOCKSIZE', 64);
+
+function Auth_OpenID_SHA1($text)
+{
+ if (function_exists('hash') &&
+ function_exists('hash_algos') &&
+ (in_array('sha1', hash_algos()))) {
+ // PHP 5 case (sometimes): 'hash' available and 'sha1' algo
+ // supported.
+ return hash('sha1', $text, true);
+ } else if (function_exists('sha1')) {
+ // PHP 4 case: 'sha1' available.
+ $hex = sha1($text);
+ $raw = '';
+ for ($i = 0; $i < 40; $i += 2) {
+ $hexcode = substr($hex, $i, 2);
+ $charcode = (int)base_convert($hexcode, 16, 10);
+ $raw .= chr($charcode);
+ }
+ return $raw;
+ } else {
+ // Explode.
+ trigger_error('No SHA1 function found', E_USER_ERROR);
+ }
+}
+
+/**
+ * Compute an HMAC/SHA1 hash.
+ *
+ * @access private
+ * @param string $key The HMAC key
+ * @param string $text The message text to hash
+ * @return string $mac The MAC
+ */
+function Auth_OpenID_HMACSHA1($key, $text)
+{
+ if (Auth_OpenID::bytes($key) > Auth_OpenID_SHA1_BLOCKSIZE) {
+ $key = Auth_OpenID_SHA1($key, true);
+ }
+
+ if (function_exists('hash_hmac') &&
+ function_exists('hash_algos') &&
+ (in_array('sha1', hash_algos()))) {
+ return hash_hmac('sha1', $text, $key, true);
+ }
+ // Home-made solution
+
+ $key = str_pad($key, Auth_OpenID_SHA1_BLOCKSIZE, chr(0x00));
+ $ipad = str_repeat(chr(0x36), Auth_OpenID_SHA1_BLOCKSIZE);
+ $opad = str_repeat(chr(0x5c), Auth_OpenID_SHA1_BLOCKSIZE);
+ $hash1 = Auth_OpenID_SHA1(($key ^ $ipad) . $text, true);
+ $hmac = Auth_OpenID_SHA1(($key ^ $opad) . $hash1, true);
+ return $hmac;
+}
+
+if (function_exists('hash') &&
+ function_exists('hash_algos') &&
+ (in_array('sha256', hash_algos()))) {
+ function Auth_OpenID_SHA256($text)
+ {
+ // PHP 5 case: 'hash' available and 'sha256' algo supported.
+ return hash('sha256', $text, true);
+ }
+ define('Auth_OpenID_SHA256_SUPPORTED', true);
+} else {
+ define('Auth_OpenID_SHA256_SUPPORTED', false);
+}
+
+if (function_exists('hash_hmac') &&
+ function_exists('hash_algos') &&
+ (in_array('sha256', hash_algos()))) {
+
+ function Auth_OpenID_HMACSHA256($key, $text)
+ {
+ // Return raw MAC (not hex string).
+ return hash_hmac('sha256', $text, $key, true);
+ }
+
+ define('Auth_OpenID_HMACSHA256_SUPPORTED', true);
+} else {
+ define('Auth_OpenID_HMACSHA256_SUPPORTED', false);
+}
+
diff --git a/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/Interface.php b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/Interface.php
new file mode 100644
index 0000000..eca6b9c
--- /dev/null
+++ b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/Interface.php
@@ -0,0 +1,196 @@
+<?php
+
+/**
+ * This file specifies the interface for PHP OpenID store implementations.
+ *
+ * PHP versions 4 and 5
+ *
+ * LICENSE: See the COPYING file included in this distribution.
+ *
+ * @package OpenID
+ * @author JanRain, Inc. <openid@janrain.com>
+ * @copyright 2005-2008 Janrain, Inc.
+ * @license http://www.apache.org/licenses/LICENSE-2.0 Apache
+ */
+
+/**
+ * This is the interface for the store objects the OpenID library
+ * uses. It is a single class that provides all of the persistence
+ * mechanisms that the OpenID library needs, for both servers and
+ * consumers. If you want to create an SQL-driven store, please see
+ * then {@link Auth_OpenID_SQLStore} class.
+ *
+ * Change: Version 2.0 removed the storeNonce, getAuthKey, and isDumb
+ * methods, and changed the behavior of the useNonce method to support
+ * one-way nonces.
+ *
+ * @package OpenID
+ * @author JanRain, Inc. <openid@janrain.com>
+ */
+class Auth_OpenID_OpenIDStore {
+ /**
+ * This method puts an Association object into storage,
+ * retrievable by server URL and handle.
+ *
+ * @param string $server_url The URL of the identity server that
+ * this association is with. Because of the way the server portion
+ * of the library uses this interface, don't assume there are any
+ * limitations on the character set of the input string. In
+ * particular, expect to see unescaped non-url-safe characters in
+ * the server_url field.
+ *
+ * @param Association $association The Association to store.
+ */
+ function storeAssociation($server_url, $association)
+ {
+ trigger_error("Auth_OpenID_OpenIDStore::storeAssociation ".
+ "not implemented", E_USER_ERROR);
+ }
+
+ /*
+ * Remove expired nonces from the store.
+ *
+ * Discards any nonce from storage that is old enough that its
+ * timestamp would not pass useNonce().
+ *
+ * This method is not called in the normal operation of the
+ * library. It provides a way for store admins to keep their
+ * storage from filling up with expired data.
+ *
+ * @return the number of nonces expired
+ */
+ function cleanupNonces()
+ {
+ trigger_error("Auth_OpenID_OpenIDStore::cleanupNonces ".
+ "not implemented", E_USER_ERROR);
+ }
+
+ /*
+ * Remove expired associations from the store.
+ *
+ * This method is not called in the normal operation of the
+ * library. It provides a way for store admins to keep their
+ * storage from filling up with expired data.
+ *
+ * @return the number of associations expired.
+ */
+ function cleanupAssociations()
+ {
+ trigger_error("Auth_OpenID_OpenIDStore::cleanupAssociations ".
+ "not implemented", E_USER_ERROR);
+ }
+
+ /*
+ * Shortcut for cleanupNonces(), cleanupAssociations().
+ *
+ * This method is not called in the normal operation of the
+ * library. It provides a way for store admins to keep their
+ * storage from filling up with expired data.
+ */
+ function cleanup()
+ {
+ return array($this->cleanupNonces(),
+ $this->cleanupAssociations());
+ }
+
+ /**
+ * Report whether this storage supports cleanup
+ */
+ function supportsCleanup()
+ {
+ return true;
+ }
+
+ /**
+ * This method returns an Association object from storage that
+ * matches the server URL and, if specified, handle. It returns
+ * null if no such association is found or if the matching
+ * association is expired.
+ *
+ * If no handle is specified, the store may return any association
+ * which matches the server URL. If multiple associations are
+ * valid, the recommended return value for this method is the one
+ * most recently issued.
+ *
+ * This method is allowed (and encouraged) to garbage collect
+ * expired associations when found. This method must not return
+ * expired associations.
+ *
+ * @param string $server_url The URL of the identity server to get
+ * the association for. Because of the way the server portion of
+ * the library uses this interface, don't assume there are any
+ * limitations on the character set of the input string. In
+ * particular, expect to see unescaped non-url-safe characters in
+ * the server_url field.
+ *
+ * @param mixed $handle This optional parameter is the handle of
+ * the specific association to get. If no specific handle is
+ * provided, any valid association matching the server URL is
+ * returned.
+ *
+ * @return Association The Association for the given identity
+ * server.
+ */
+ function getAssociation($server_url, $handle = null)
+ {
+ trigger_error("Auth_OpenID_OpenIDStore::getAssociation ".
+ "not implemented", E_USER_ERROR);
+ }
+
+ /**
+ * This method removes the matching association if it's found, and
+ * returns whether the association was removed or not.
+ *
+ * @param string $server_url The URL of the identity server the
+ * association to remove belongs to. Because of the way the server
+ * portion of the library uses this interface, don't assume there
+ * are any limitations on the character set of the input
+ * string. In particular, expect to see unescaped non-url-safe
+ * characters in the server_url field.
+ *
+ * @param string $handle This is the handle of the association to
+ * remove. If there isn't an association found that matches both
+ * the given URL and handle, then there was no matching handle
+ * found.
+ *
+ * @return mixed Returns whether or not the given association existed.
+ */
+ function removeAssociation($server_url, $handle)
+ {
+ trigger_error("Auth_OpenID_OpenIDStore::removeAssociation ".
+ "not implemented", E_USER_ERROR);
+ }
+
+ /**
+ * Called when using a nonce.
+ *
+ * This method should return C{True} if the nonce has not been
+ * used before, and store it for a while to make sure nobody
+ * tries to use the same value again. If the nonce has already
+ * been used, return C{False}.
+ *
+ * Change: In earlier versions, round-trip nonces were used and a
+ * nonce was only valid if it had been previously stored with
+ * storeNonce. Version 2.0 uses one-way nonces, requiring a
+ * different implementation here that does not depend on a
+ * storeNonce call. (storeNonce is no longer part of the
+ * interface.
+ *
+ * @param string $nonce The nonce to use.
+ *
+ * @return bool Whether or not the nonce was valid.
+ */
+ function useNonce($server_url, $timestamp, $salt)
+ {
+ trigger_error("Auth_OpenID_OpenIDStore::useNonce ".
+ "not implemented", E_USER_ERROR);
+ }
+
+ /**
+ * Removes all entries from the store; implementation is optional.
+ */
+ function reset()
+ {
+ }
+
+}
diff --git a/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/KVForm.php b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/KVForm.php
new file mode 100644
index 0000000..dd02661
--- /dev/null
+++ b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/KVForm.php
@@ -0,0 +1,111 @@
+<?php
+
+/**
+ * OpenID protocol key-value/comma-newline format parsing and
+ * serialization
+ *
+ * PHP versions 4 and 5
+ *
+ * LICENSE: See the COPYING file included in this distribution.
+ *
+ * @access private
+ * @package OpenID
+ * @author JanRain, Inc. <openid@janrain.com>
+ * @copyright 2005-2008 Janrain, Inc.
+ * @license http://www.apache.org/licenses/LICENSE-2.0 Apache
+ */
+
+/**
+ * Container for key-value/comma-newline OpenID format and parsing
+ */
+class Auth_OpenID_KVForm {
+ /**
+ * Convert an OpenID colon/newline separated string into an
+ * associative array
+ *
+ * @static
+ * @access private
+ */
+ static function toArray($kvs, $strict=false)
+ {
+ $lines = explode("\n", $kvs);
+
+ $last = array_pop($lines);
+ if ($last !== '') {
+ array_push($lines, $last);
+ if ($strict) {
+ return false;
+ }
+ }
+
+ $values = array();
+
+ for ($lineno = 0; $lineno < count($lines); $lineno++) {
+ $line = $lines[$lineno];
+ $kv = explode(':', $line, 2);
+ if (count($kv) != 2) {
+ if ($strict) {
+ return false;
+ }
+ continue;
+ }
+
+ $key = $kv[0];
+ $tkey = trim($key);
+ if ($tkey != $key) {
+ if ($strict) {
+ return false;
+ }
+ }
+
+ $value = $kv[1];
+ $tval = trim($value);
+ if ($tval != $value) {
+ if ($strict) {
+ return false;
+ }
+ }
+
+ $values[$tkey] = $tval;
+ }
+
+ return $values;
+ }
+
+ /**
+ * Convert an array into an OpenID colon/newline separated string
+ *
+ * @static
+ * @access private
+ */
+ static function fromArray($values)
+ {
+ if ($values === null) {
+ return null;
+ }
+
+ ksort($values);
+
+ $serialized = '';
+ foreach ($values as $key => $value) {
+ if (is_array($value)) {
+ list($key, $value) = array($value[0], $value[1]);
+ }
+
+ if (strpos($key, ':') !== false) {
+ return null;
+ }
+
+ if (strpos($key, "\n") !== false) {
+ return null;
+ }
+
+ if (strpos($value, "\n") !== false) {
+ return null;
+ }
+ $serialized .= "$key:$value\n";
+ }
+ return $serialized;
+ }
+}
+
diff --git a/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/MDB2Store.php b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/MDB2Store.php
new file mode 100644
index 0000000..fb27d5c
--- /dev/null
+++ b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/MDB2Store.php
@@ -0,0 +1,413 @@
+<?php
+
+/**
+ * SQL-backed OpenID stores for use with PEAR::MDB2.
+ *
+ * PHP versions 4 and 5
+ *
+ * LICENSE: See the COPYING file included in this distribution.
+ *
+ * @package OpenID
+ * @author JanRain, Inc. <openid@janrain.com>
+ * @copyright 2005 Janrain, Inc.
+ * @license http://www.gnu.org/copyleft/lesser.html LGPL
+ */
+
+require_once 'MDB2.php';
+
+/**
+ * @access private
+ */
+require_once 'Auth/OpenID/Interface.php';
+
+/**
+ * @access private
+ */
+require_once 'Auth/OpenID.php';
+
+/**
+ * @access private
+ */
+require_once 'Auth/OpenID/Nonce.php';
+
+/**
+ * This store uses a PEAR::MDB2 connection to store persistence
+ * information.
+ *
+ * The table names used are determined by the class variables
+ * associations_table_name and nonces_table_name. To change the name
+ * of the tables used, pass new table names into the constructor.
+ *
+ * To create the tables with the proper schema, see the createTables
+ * method.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_MDB2Store extends Auth_OpenID_OpenIDStore {
+ /**
+ * This creates a new MDB2Store instance. It requires an
+ * established database connection be given to it, and it allows
+ * overriding the default table names.
+ *
+ * @param connection $connection This must be an established
+ * connection to a database of the correct type for the SQLStore
+ * subclass you're using. This must be a PEAR::MDB2 connection
+ * handle.
+ *
+ * @param associations_table: This is an optional parameter to
+ * specify the name of the table used for storing associations.
+ * The default value is 'oid_associations'.
+ *
+ * @param nonces_table: This is an optional parameter to specify
+ * the name of the table used for storing nonces. The default
+ * value is 'oid_nonces'.
+ */
+ function Auth_OpenID_MDB2Store($connection,
+ $associations_table = null,
+ $nonces_table = null)
+ {
+ $this->associations_table_name = "oid_associations";
+ $this->nonces_table_name = "oid_nonces";
+
+ // Check the connection object type to be sure it's a PEAR
+ // database connection.
+ if (!is_object($connection) ||
+ !is_subclass_of($connection, 'mdb2_driver_common')) {
+ trigger_error("Auth_OpenID_MDB2Store expected PEAR connection " .
+ "object (got ".get_class($connection).")",
+ E_USER_ERROR);
+ return;
+ }
+
+ $this->connection = $connection;
+
+ // Be sure to set the fetch mode so the results are keyed on
+ // column name instead of column index.
+ $this->connection->setFetchMode(MDB2_FETCHMODE_ASSOC);
+
+ if (@PEAR::isError($this->connection->loadModule('Extended'))) {
+ trigger_error("Unable to load MDB2_Extended module", E_USER_ERROR);
+ return;
+ }
+
+ if ($associations_table) {
+ $this->associations_table_name = $associations_table;
+ }
+
+ if ($nonces_table) {
+ $this->nonces_table_name = $nonces_table;
+ }
+
+ $this->max_nonce_age = 6 * 60 * 60;
+ }
+
+ function tableExists($table_name)
+ {
+ return !@PEAR::isError($this->connection->query(
+ sprintf("SELECT * FROM %s LIMIT 0",
+ $table_name)));
+ }
+
+ function createTables()
+ {
+ $n = $this->create_nonce_table();
+ $a = $this->create_assoc_table();
+
+ if (!$n || !$a) {
+ return false;
+ }
+ return true;
+ }
+
+ function create_nonce_table()
+ {
+ if (!$this->tableExists($this->nonces_table_name)) {
+ switch ($this->connection->phptype) {
+ case "mysql":
+ case "mysqli":
+ // Custom SQL for MySQL to use InnoDB and variable-
+ // length keys
+ $r = $this->connection->exec(
+ sprintf("CREATE TABLE %s (\n".
+ " server_url VARCHAR(2047) NOT NULL DEFAULT '',\n".
+ " timestamp INTEGER NOT NULL,\n".
+ " salt CHAR(40) NOT NULL,\n".
+ " UNIQUE (server_url(255), timestamp, salt)\n".
+ ") TYPE=InnoDB",
+ $this->nonces_table_name));
+ if (@PEAR::isError($r)) {
+ return false;
+ }
+ break;
+ default:
+ if (@PEAR::isError(
+ $this->connection->loadModule('Manager'))) {
+ return false;
+ }
+ $fields = array(
+ "server_url" => array(
+ "type" => "text",
+ "length" => 2047,
+ "notnull" => true
+ ),
+ "timestamp" => array(
+ "type" => "integer",
+ "notnull" => true
+ ),
+ "salt" => array(
+ "type" => "text",
+ "length" => 40,
+ "fixed" => true,
+ "notnull" => true
+ )
+ );
+ $constraint = array(
+ "unique" => 1,
+ "fields" => array(
+ "server_url" => true,
+ "timestamp" => true,
+ "salt" => true
+ )
+ );
+
+ $r = $this->connection->createTable($this->nonces_table_name,
+ $fields);
+ if (@PEAR::isError($r)) {
+ return false;
+ }
+
+ $r = $this->connection->createConstraint(
+ $this->nonces_table_name,
+ $this->nonces_table_name . "_constraint",
+ $constraint);
+ if (@PEAR::isError($r)) {
+ return false;
+ }
+ break;
+ }
+ }
+ return true;
+ }
+
+ function create_assoc_table()
+ {
+ if (!$this->tableExists($this->associations_table_name)) {
+ switch ($this->connection->phptype) {
+ case "mysql":
+ case "mysqli":
+ // Custom SQL for MySQL to use InnoDB and variable-
+ // length keys
+ $r = $this->connection->exec(
+ sprintf("CREATE TABLE %s(\n".
+ " server_url VARCHAR(2047) NOT NULL DEFAULT '',\n".
+ " handle VARCHAR(255) NOT NULL,\n".
+ " secret BLOB NOT NULL,\n".
+ " issued INTEGER NOT NULL,\n".
+ " lifetime INTEGER NOT NULL,\n".
+ " assoc_type VARCHAR(64) NOT NULL,\n".
+ " PRIMARY KEY (server_url(255), handle)\n".
+ ") TYPE=InnoDB",
+ $this->associations_table_name));
+ if (@PEAR::isError($r)) {
+ return false;
+ }
+ break;
+ default:
+ if (@PEAR::isError(
+ $this->connection->loadModule('Manager'))) {
+ return false;
+ }
+ $fields = array(
+ "server_url" => array(
+ "type" => "text",
+ "length" => 2047,
+ "notnull" => true
+ ),
+ "handle" => array(
+ "type" => "text",
+ "length" => 255,
+ "notnull" => true
+ ),
+ "secret" => array(
+ "type" => "blob",
+ "length" => "255",
+ "notnull" => true
+ ),
+ "issued" => array(
+ "type" => "integer",
+ "notnull" => true
+ ),
+ "lifetime" => array(
+ "type" => "integer",
+ "notnull" => true
+ ),
+ "assoc_type" => array(
+ "type" => "text",
+ "length" => 64,
+ "notnull" => true
+ )
+ );
+ $options = array(
+ "primary" => array(
+ "server_url" => true,
+ "handle" => true
+ )
+ );
+
+ $r = $this->connection->createTable(
+ $this->associations_table_name,
+ $fields,
+ $options);
+ if (@PEAR::isError($r)) {
+ return false;
+ }
+ break;
+ }
+ }
+ return true;
+ }
+
+ function storeAssociation($server_url, $association)
+ {
+ $fields = array(
+ "server_url" => array(
+ "value" => $server_url,
+ "key" => true
+ ),
+ "handle" => array(
+ "value" => $association->handle,
+ "key" => true
+ ),
+ "secret" => array(
+ "value" => $association->secret,
+ "type" => "blob"
+ ),
+ "issued" => array(
+ "value" => $association->issued
+ ),
+ "lifetime" => array(
+ "value" => $association->lifetime
+ ),
+ "assoc_type" => array(
+ "value" => $association->assoc_type
+ )
+ );
+
+ return !@PEAR::isError($this->connection->replace(
+ $this->associations_table_name,
+ $fields));
+ }
+
+ function cleanupNonces()
+ {
+ global $Auth_OpenID_SKEW;
+ $v = time() - $Auth_OpenID_SKEW;
+
+ return $this->connection->exec(
+ sprintf("DELETE FROM %s WHERE timestamp < %d",
+ $this->nonces_table_name, $v));
+ }
+
+ function cleanupAssociations()
+ {
+ return $this->connection->exec(
+ sprintf("DELETE FROM %s WHERE issued + lifetime < %d",
+ $this->associations_table_name, time()));
+ }
+
+ function getAssociation($server_url, $handle = null)
+ {
+ $sql = "";
+ $params = null;
+ $types = array(
+ "text",
+ "blob",
+ "integer",
+ "integer",
+ "text"
+ );
+ if ($handle !== null) {
+ $sql = sprintf("SELECT handle, secret, issued, lifetime, assoc_type " .
+ "FROM %s WHERE server_url = ? AND handle = ?",
+ $this->associations_table_name);
+ $params = array($server_url, $handle);
+ } else {
+ $sql = sprintf("SELECT handle, secret, issued, lifetime, assoc_type " .
+ "FROM %s WHERE server_url = ? ORDER BY issued DESC",
+ $this->associations_table_name);
+ $params = array($server_url);
+ }
+
+ $assoc = $this->connection->getRow($sql, $types, $params);
+
+ if (!$assoc || @PEAR::isError($assoc)) {
+ return null;
+ } else {
+ $association = new Auth_OpenID_Association($assoc['handle'],
+ stream_get_contents(
+ $assoc['secret']),
+ $assoc['issued'],
+ $assoc['lifetime'],
+ $assoc['assoc_type']);
+ fclose($assoc['secret']);
+ return $association;
+ }
+ }
+
+ function removeAssociation($server_url, $handle)
+ {
+ $r = $this->connection->execParam(
+ sprintf("DELETE FROM %s WHERE server_url = ? AND handle = ?",
+ $this->associations_table_name),
+ array($server_url, $handle));
+
+ if (@PEAR::isError($r) || $r == 0) {
+ return false;
+ }
+ return true;
+ }
+
+ function useNonce($server_url, $timestamp, $salt)
+ {
+ global $Auth_OpenID_SKEW;
+
+ if (abs($timestamp - time()) > $Auth_OpenID_SKEW ) {
+ return false;
+ }
+
+ $fields = array(
+ "timestamp" => $timestamp,
+ "salt" => $salt
+ );
+
+ if (!empty($server_url)) {
+ $fields["server_url"] = $server_url;
+ }
+
+ $r = $this->connection->autoExecute(
+ $this->nonces_table_name,
+ $fields,
+ MDB2_AUTOQUERY_INSERT);
+
+ if (@PEAR::isError($r)) {
+ return false;
+ }
+ return true;
+ }
+
+ /**
+ * Resets the store by removing all records from the store's
+ * tables.
+ */
+ function reset()
+ {
+ $this->connection->query(sprintf("DELETE FROM %s",
+ $this->associations_table_name));
+
+ $this->connection->query(sprintf("DELETE FROM %s",
+ $this->nonces_table_name));
+ }
+
+}
+
+?>
diff --git a/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/MemcachedStore.php b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/MemcachedStore.php
new file mode 100644
index 0000000..fc10800
--- /dev/null
+++ b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/MemcachedStore.php
@@ -0,0 +1,207 @@
+<?php
+
+/**
+ * This file supplies a memcached store backend for OpenID servers and
+ * consumers.
+ *
+ * PHP versions 4 and 5
+ *
+ * LICENSE: See the COPYING file included in this distribution.
+ *
+ * @package OpenID
+ * @author Artemy Tregubenko <me@arty.name>
+ * @copyright 2008 JanRain, Inc.
+ * @license http://www.apache.org/licenses/LICENSE-2.0 Apache
+ * Contributed by Open Web Technologies <http://openwebtech.ru/>
+ */
+
+/**
+ * Import the interface for creating a new store class.
+ */
+require_once 'Auth/OpenID/Interface.php';
+
+/**
+ * This is a memcached-based store for OpenID associations and
+ * nonces.
+ *
+ * As memcache has limit of 250 chars for key length,
+ * server_url, handle and salt are hashed with sha1().
+ *
+ * Most of the methods of this class are implementation details.
+ * People wishing to just use this store need only pay attention to
+ * the constructor.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_MemcachedStore extends Auth_OpenID_OpenIDStore {
+
+ /**
+ * Initializes a new {@link Auth_OpenID_MemcachedStore} instance.
+ * Just saves memcached object as property.
+ *
+ * @param resource connection Memcache connection resourse
+ */
+ function Auth_OpenID_MemcachedStore($connection, $compress = false)
+ {
+ $this->connection = $connection;
+ $this->compress = $compress ? MEMCACHE_COMPRESSED : 0;
+ }
+
+ /**
+ * Store association until its expiration time in memcached.
+ * Overwrites any existing association with same server_url and
+ * handle. Handles list of associations for every server.
+ */
+ function storeAssociation($server_url, $association)
+ {
+ // create memcached keys for association itself
+ // and list of associations for this server
+ $associationKey = $this->associationKey($server_url,
+ $association->handle);
+ $serverKey = $this->associationServerKey($server_url);
+
+ // get list of associations
+ $serverAssociations = $this->connection->get($serverKey);
+
+ // if no such list, initialize it with empty array
+ if (!$serverAssociations) {
+ $serverAssociations = array();
+ }
+ // and store given association key in it
+ $serverAssociations[$association->issued] = $associationKey;
+
+ // save associations' keys list
+ $this->connection->set(
+ $serverKey,
+ $serverAssociations,
+ $this->compress
+ );
+ // save association itself
+ $this->connection->set(
+ $associationKey,
+ $association,
+ $this->compress,
+ $association->issued + $association->lifetime);
+ }
+
+ /**
+ * Read association from memcached. If no handle given
+ * and multiple associations found, returns latest issued
+ */
+ function getAssociation($server_url, $handle = null)
+ {
+ // simple case: handle given
+ if ($handle !== null) {
+ // get association, return null if failed
+ $association = $this->connection->get(
+ $this->associationKey($server_url, $handle));
+ return $association ? $association : null;
+ }
+
+ // no handle given, working with list
+ // create key for list of associations
+ $serverKey = $this->associationServerKey($server_url);
+
+ // get list of associations
+ $serverAssociations = $this->connection->get($serverKey);
+ // return null if failed or got empty list
+ if (!$serverAssociations) {
+ return null;
+ }
+
+ // get key of most recently issued association
+ $keys = array_keys($serverAssociations);
+ sort($keys);
+ $lastKey = $serverAssociations[array_pop($keys)];
+
+ // get association, return null if failed
+ $association = $this->connection->get($lastKey);
+ return $association ? $association : null;
+ }
+
+ /**
+ * Immediately delete association from memcache.
+ */
+ function removeAssociation($server_url, $handle)
+ {
+ // create memcached keys for association itself
+ // and list of associations for this server
+ $serverKey = $this->associationServerKey($server_url);
+ $associationKey = $this->associationKey($server_url,
+ $handle);
+
+ // get list of associations
+ $serverAssociations = $this->connection->get($serverKey);
+ // return null if failed or got empty list
+ if (!$serverAssociations) {
+ return false;
+ }
+
+ // ensure that given association key exists in list
+ $serverAssociations = array_flip($serverAssociations);
+ if (!array_key_exists($associationKey, $serverAssociations)) {
+ return false;
+ }
+
+ // remove given association key from list
+ unset($serverAssociations[$associationKey]);
+ $serverAssociations = array_flip($serverAssociations);
+
+ // save updated list
+ $this->connection->set(
+ $serverKey,
+ $serverAssociations,
+ $this->compress
+ );
+
+ // delete association
+ return $this->connection->delete($associationKey);
+ }
+
+ /**
+ * Create nonce for server and salt, expiring after
+ * $Auth_OpenID_SKEW seconds.
+ */
+ function useNonce($server_url, $timestamp, $salt)
+ {
+ global $Auth_OpenID_SKEW;
+
+ // save one request to memcache when nonce obviously expired
+ if (abs($timestamp - time()) > $Auth_OpenID_SKEW) {
+ return false;
+ }
+
+ // returns false when nonce already exists
+ // otherwise adds nonce
+ return $this->connection->add(
+ 'openid_nonce_' . sha1($server_url) . '_' . sha1($salt),
+ 1, // any value here
+ $this->compress,
+ $Auth_OpenID_SKEW);
+ }
+
+ /**
+ * Memcache key is prefixed with 'openid_association_' string.
+ */
+ function associationKey($server_url, $handle = null)
+ {
+ return 'openid_association_' . sha1($server_url) . '_' . sha1($handle);
+ }
+
+ /**
+ * Memcache key is prefixed with 'openid_association_' string.
+ */
+ function associationServerKey($server_url)
+ {
+ return 'openid_association_server_' . sha1($server_url);
+ }
+
+ /**
+ * Report that this storage doesn't support cleanup
+ */
+ function supportsCleanup()
+ {
+ return false;
+ }
+}
+
diff --git a/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/Message.php b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/Message.php
new file mode 100644
index 0000000..16ec1c1
--- /dev/null
+++ b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/Message.php
@@ -0,0 +1,920 @@
+<?php
+
+/**
+ * Extension argument processing code
+ *
+ * @package OpenID
+ */
+
+/**
+ * Import tools needed to deal with messages.
+ */
+require_once 'Auth/OpenID.php';
+require_once 'Auth/OpenID/KVForm.php';
+require_once 'Auth/Yadis/XML.php';
+require_once 'Auth/OpenID/Consumer.php'; // For Auth_OpenID_FailureResponse
+
+// This doesn't REALLY belong here, but where is better?
+define('Auth_OpenID_IDENTIFIER_SELECT',
+ "http://specs.openid.net/auth/2.0/identifier_select");
+
+// URI for Simple Registration extension, the only commonly deployed
+// OpenID 1.x extension, and so a special case
+define('Auth_OpenID_SREG_URI', 'http://openid.net/sreg/1.0');
+
+// The OpenID 1.X namespace URI
+define('Auth_OpenID_OPENID1_NS', 'http://openid.net/signon/1.0');
+define('Auth_OpenID_THE_OTHER_OPENID1_NS', 'http://openid.net/signon/1.1');
+
+function Auth_OpenID_isOpenID1($ns)
+{
+ return ($ns == Auth_OpenID_THE_OTHER_OPENID1_NS) ||
+ ($ns == Auth_OpenID_OPENID1_NS);
+}
+
+// The OpenID 2.0 namespace URI
+define('Auth_OpenID_OPENID2_NS', 'http://specs.openid.net/auth/2.0');
+
+// The namespace consisting of pairs with keys that are prefixed with
+// "openid." but not in another namespace.
+define('Auth_OpenID_NULL_NAMESPACE', 'Null namespace');
+
+// The null namespace, when it is an allowed OpenID namespace
+define('Auth_OpenID_OPENID_NS', 'OpenID namespace');
+
+// The top-level namespace, excluding all pairs with keys that start
+// with "openid."
+define('Auth_OpenID_BARE_NS', 'Bare namespace');
+
+// Sentinel for Message implementation to indicate that getArg should
+// return null instead of returning a default.
+define('Auth_OpenID_NO_DEFAULT', 'NO DEFAULT ALLOWED');
+
+// Limit, in bytes, of identity provider and return_to URLs, including
+// response payload. See OpenID 1.1 specification, Appendix D.
+define('Auth_OpenID_OPENID1_URL_LIMIT', 2047);
+
+// All OpenID protocol fields. Used to check namespace aliases.
+global $Auth_OpenID_OPENID_PROTOCOL_FIELDS;
+$Auth_OpenID_OPENID_PROTOCOL_FIELDS = array(
+ 'ns', 'mode', 'error', 'return_to', 'contact', 'reference',
+ 'signed', 'assoc_type', 'session_type', 'dh_modulus', 'dh_gen',
+ 'dh_consumer_public', 'claimed_id', 'identity', 'realm',
+ 'invalidate_handle', 'op_endpoint', 'response_nonce', 'sig',
+ 'assoc_handle', 'trust_root', 'openid');
+
+// Global namespace / alias registration map. See
+// Auth_OpenID_registerNamespaceAlias.
+global $Auth_OpenID_registered_aliases;
+$Auth_OpenID_registered_aliases = array();
+
+/**
+ * Registers a (namespace URI, alias) mapping in a global namespace
+ * alias map. Raises NamespaceAliasRegistrationError if either the
+ * namespace URI or alias has already been registered with a different
+ * value. This function is required if you want to use a namespace
+ * with an OpenID 1 message.
+ */
+function Auth_OpenID_registerNamespaceAlias($namespace_uri, $alias)
+{
+ global $Auth_OpenID_registered_aliases;
+
+ if (Auth_OpenID::arrayGet($Auth_OpenID_registered_aliases,
+ $alias) == $namespace_uri) {
+ return true;
+ }
+
+ if (in_array($namespace_uri,
+ array_values($Auth_OpenID_registered_aliases))) {
+ return false;
+ }
+
+ if (in_array($alias, array_keys($Auth_OpenID_registered_aliases))) {
+ return false;
+ }
+
+ $Auth_OpenID_registered_aliases[$alias] = $namespace_uri;
+ return true;
+}
+
+/**
+ * Removes a (namespace_uri, alias) registration from the global
+ * namespace alias map. Returns true if the removal succeeded; false
+ * if not (if the mapping did not exist).
+ */
+function Auth_OpenID_removeNamespaceAlias($namespace_uri, $alias)
+{
+ global $Auth_OpenID_registered_aliases;
+
+ if (Auth_OpenID::arrayGet($Auth_OpenID_registered_aliases,
+ $alias) === $namespace_uri) {
+ unset($Auth_OpenID_registered_aliases[$alias]);
+ return true;
+ }
+
+ return false;
+}
+
+/**
+ * An Auth_OpenID_Mapping maintains a mapping from arbitrary keys to
+ * arbitrary values. (This is unlike an ordinary PHP array, whose
+ * keys may be only simple scalars.)
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_Mapping {
+ /**
+ * Initialize a mapping. If $classic_array is specified, its keys
+ * and values are used to populate the mapping.
+ */
+ function Auth_OpenID_Mapping($classic_array = null)
+ {
+ $this->keys = array();
+ $this->values = array();
+
+ if (is_array($classic_array)) {
+ foreach ($classic_array as $key => $value) {
+ $this->set($key, $value);
+ }
+ }
+ }
+
+ /**
+ * Returns true if $thing is an Auth_OpenID_Mapping object; false
+ * if not.
+ */
+ static function isA($thing)
+ {
+ return (is_object($thing) &&
+ strtolower(get_class($thing)) == 'auth_openid_mapping');
+ }
+
+ /**
+ * Returns an array of the keys in the mapping.
+ */
+ function keys()
+ {
+ return $this->keys;
+ }
+
+ /**
+ * Returns an array of values in the mapping.
+ */
+ function values()
+ {
+ return $this->values;
+ }
+
+ /**
+ * Returns an array of (key, value) pairs in the mapping.
+ */
+ function items()
+ {
+ $temp = array();
+
+ for ($i = 0; $i < count($this->keys); $i++) {
+ $temp[] = array($this->keys[$i],
+ $this->values[$i]);
+ }
+ return $temp;
+ }
+
+ /**
+ * Returns the "length" of the mapping, or the number of keys.
+ */
+ function len()
+ {
+ return count($this->keys);
+ }
+
+ /**
+ * Sets a key-value pair in the mapping. If the key already
+ * exists, its value is replaced with the new value.
+ */
+ function set($key, $value)
+ {
+ $index = array_search($key, $this->keys);
+
+ if ($index !== false) {
+ $this->values[$index] = $value;
+ } else {
+ $this->keys[] = $key;
+ $this->values[] = $value;
+ }
+ }
+
+ /**
+ * Gets a specified value from the mapping, associated with the
+ * specified key. If the key does not exist in the mapping,
+ * $default is returned instead.
+ */
+ function get($key, $default = null)
+ {
+ $index = array_search($key, $this->keys);
+
+ if ($index !== false) {
+ return $this->values[$index];
+ } else {
+ return $default;
+ }
+ }
+
+ /**
+ * @access private
+ */
+ function _reflow()
+ {
+ // PHP is broken yet again. Sort the arrays to remove the
+ // hole in the numeric indexes that make up the array.
+ $old_keys = $this->keys;
+ $old_values = $this->values;
+
+ $this->keys = array();
+ $this->values = array();
+
+ foreach ($old_keys as $k) {
+ $this->keys[] = $k;
+ }
+
+ foreach ($old_values as $v) {
+ $this->values[] = $v;
+ }
+ }
+
+ /**
+ * Deletes a key-value pair from the mapping with the specified
+ * key.
+ */
+ function del($key)
+ {
+ $index = array_search($key, $this->keys);
+
+ if ($index !== false) {
+ unset($this->keys[$index]);
+ unset($this->values[$index]);
+ $this->_reflow();
+ return true;
+ }
+ return false;
+ }
+
+ /**
+ * Returns true if the specified value has a key in the mapping;
+ * false if not.
+ */
+ function contains($value)
+ {
+ return (array_search($value, $this->keys) !== false);
+ }
+}
+
+/**
+ * Maintains a bijective map between namespace uris and aliases.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_NamespaceMap {
+ function Auth_OpenID_NamespaceMap()
+ {
+ $this->alias_to_namespace = new Auth_OpenID_Mapping();
+ $this->namespace_to_alias = new Auth_OpenID_Mapping();
+ $this->implicit_namespaces = array();
+ }
+
+ function getAlias($namespace_uri)
+ {
+ return $this->namespace_to_alias->get($namespace_uri);
+ }
+
+ function getNamespaceURI($alias)
+ {
+ return $this->alias_to_namespace->get($alias);
+ }
+
+ function iterNamespaceURIs()
+ {
+ // Return an iterator over the namespace URIs
+ return $this->namespace_to_alias->keys();
+ }
+
+ function iterAliases()
+ {
+ // Return an iterator over the aliases"""
+ return $this->alias_to_namespace->keys();
+ }
+
+ function iteritems()
+ {
+ return $this->namespace_to_alias->items();
+ }
+
+ function isImplicit($namespace_uri)
+ {
+ return in_array($namespace_uri, $this->implicit_namespaces);
+ }
+
+ function addAlias($namespace_uri, $desired_alias, $implicit=false)
+ {
+ // Add an alias from this namespace URI to the desired alias
+ global $Auth_OpenID_OPENID_PROTOCOL_FIELDS;
+
+ // Check that desired_alias is not an openid protocol field as
+ // per the spec.
+ if (in_array($desired_alias, $Auth_OpenID_OPENID_PROTOCOL_FIELDS)) {
+ Auth_OpenID::log("\"%s\" is not an allowed namespace alias",
+ $desired_alias);
+ return null;
+ }
+
+ // Check that desired_alias does not contain a period as per
+ // the spec.
+ if (strpos($desired_alias, '.') !== false) {
+ Auth_OpenID::log('"%s" must not contain a dot', $desired_alias);
+ return null;
+ }
+
+ // Check that there is not a namespace already defined for the
+ // desired alias
+ $current_namespace_uri =
+ $this->alias_to_namespace->get($desired_alias);
+
+ if (($current_namespace_uri !== null) &&
+ ($current_namespace_uri != $namespace_uri)) {
+ Auth_OpenID::log('Cannot map "%s" because previous mapping exists',
+ $namespace_uri);
+ return null;
+ }
+
+ // Check that there is not already a (different) alias for
+ // this namespace URI
+ $alias = $this->namespace_to_alias->get($namespace_uri);
+
+ if (($alias !== null) && ($alias != $desired_alias)) {
+ Auth_OpenID::log('Cannot map %s to alias %s. ' .
+ 'It is already mapped to alias %s',
+ $namespace_uri, $desired_alias, $alias);
+ return null;
+ }
+
+ assert((Auth_OpenID_NULL_NAMESPACE === $desired_alias) ||
+ is_string($desired_alias));
+
+ $this->alias_to_namespace->set($desired_alias, $namespace_uri);
+ $this->namespace_to_alias->set($namespace_uri, $desired_alias);
+ if ($implicit) {
+ array_push($this->implicit_namespaces, $namespace_uri);
+ }
+
+ return $desired_alias;
+ }
+
+ function add($namespace_uri)
+ {
+ // Add this namespace URI to the mapping, without caring what
+ // alias it ends up with
+
+ // See if this namespace is already mapped to an alias
+ $alias = $this->namespace_to_alias->get($namespace_uri);
+
+ if ($alias !== null) {
+ return $alias;
+ }
+
+ // Fall back to generating a numerical alias
+ $i = 0;
+ while (1) {
+ $alias = 'ext' . strval($i);
+ if ($this->addAlias($namespace_uri, $alias) === null) {
+ $i += 1;
+ } else {
+ return $alias;
+ }
+ }
+
+ // Should NEVER be reached!
+ return null;
+ }
+
+ function contains($namespace_uri)
+ {
+ return $this->isDefined($namespace_uri);
+ }
+
+ function isDefined($namespace_uri)
+ {
+ return $this->namespace_to_alias->contains($namespace_uri);
+ }
+}
+
+/**
+ * In the implementation of this object, null represents the global
+ * namespace as well as a namespace with no key.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_Message {
+
+ function Auth_OpenID_Message($openid_namespace = null)
+ {
+ // Create an empty Message
+ $this->allowed_openid_namespaces = array(
+ Auth_OpenID_OPENID1_NS,
+ Auth_OpenID_THE_OTHER_OPENID1_NS,
+ Auth_OpenID_OPENID2_NS);
+
+ $this->args = new Auth_OpenID_Mapping();
+ $this->namespaces = new Auth_OpenID_NamespaceMap();
+ if ($openid_namespace === null) {
+ $this->_openid_ns_uri = null;
+ } else {
+ $implicit = Auth_OpenID_isOpenID1($openid_namespace);
+ $this->setOpenIDNamespace($openid_namespace, $implicit);
+ }
+ }
+
+ function isOpenID1()
+ {
+ return Auth_OpenID_isOpenID1($this->getOpenIDNamespace());
+ }
+
+ function isOpenID2()
+ {
+ return $this->getOpenIDNamespace() == Auth_OpenID_OPENID2_NS;
+ }
+
+ static function fromPostArgs($args)
+ {
+ // Construct a Message containing a set of POST arguments
+ $obj = new Auth_OpenID_Message();
+
+ // Partition into "openid." args and bare args
+ $openid_args = array();
+ foreach ($args as $key => $value) {
+
+ if (is_array($value)) {
+ return null;
+ }
+
+ $parts = explode('.', $key, 2);
+
+ if (count($parts) == 2) {
+ list($prefix, $rest) = $parts;
+ } else {
+ $prefix = null;
+ }
+
+ if ($prefix != 'openid') {
+ $obj->args->set(array(Auth_OpenID_BARE_NS, $key), $value);
+ } else {
+ $openid_args[$rest] = $value;
+ }
+ }
+
+ if ($obj->_fromOpenIDArgs($openid_args)) {
+ return $obj;
+ } else {
+ return null;
+ }
+ }
+
+ static function fromOpenIDArgs($openid_args)
+ {
+ // Takes an array.
+
+ // Construct a Message from a parsed KVForm message
+ $obj = new Auth_OpenID_Message();
+ if ($obj->_fromOpenIDArgs($openid_args)) {
+ return $obj;
+ } else {
+ return null;
+ }
+ }
+
+ /**
+ * @access private
+ */
+ function _fromOpenIDArgs($openid_args)
+ {
+ global $Auth_OpenID_registered_aliases;
+
+ // Takes an Auth_OpenID_Mapping instance OR an array.
+
+ if (!Auth_OpenID_Mapping::isA($openid_args)) {
+ $openid_args = new Auth_OpenID_Mapping($openid_args);
+ }
+
+ $ns_args = array();
+
+ // Resolve namespaces
+ foreach ($openid_args->items() as $pair) {
+ list($rest, $value) = $pair;
+
+ $parts = explode('.', $rest, 2);
+
+ if (count($parts) == 2) {
+ list($ns_alias, $ns_key) = $parts;
+ } else {
+ $ns_alias = Auth_OpenID_NULL_NAMESPACE;
+ $ns_key = $rest;
+ }
+
+ if ($ns_alias == 'ns') {
+ if ($this->namespaces->addAlias($value, $ns_key) === null) {
+ return false;
+ }
+ } else if (($ns_alias == Auth_OpenID_NULL_NAMESPACE) &&
+ ($ns_key == 'ns')) {
+ // null namespace
+ if ($this->setOpenIDNamespace($value, false) === false) {
+ return false;
+ }
+ } else {
+ $ns_args[] = array($ns_alias, $ns_key, $value);
+ }
+ }
+
+ if (!$this->getOpenIDNamespace()) {
+ if ($this->setOpenIDNamespace(Auth_OpenID_OPENID1_NS, true) ===
+ false) {
+ return false;
+ }
+ }
+
+ // Actually put the pairs into the appropriate namespaces
+ foreach ($ns_args as $triple) {
+ list($ns_alias, $ns_key, $value) = $triple;
+ $ns_uri = $this->namespaces->getNamespaceURI($ns_alias);
+ if ($ns_uri === null) {
+ $ns_uri = $this->_getDefaultNamespace($ns_alias);
+ if ($ns_uri === null) {
+
+ $ns_uri = Auth_OpenID_OPENID_NS;
+ $ns_key = sprintf('%s.%s', $ns_alias, $ns_key);
+ } else {
+ $this->namespaces->addAlias($ns_uri, $ns_alias, true);
+ }
+ }
+
+ $this->setArg($ns_uri, $ns_key, $value);
+ }
+
+ return true;
+ }
+
+ function _getDefaultNamespace($mystery_alias)
+ {
+ global $Auth_OpenID_registered_aliases;
+ if ($this->isOpenID1()) {
+ return @$Auth_OpenID_registered_aliases[$mystery_alias];
+ }
+ return null;
+ }
+
+ function setOpenIDNamespace($openid_ns_uri, $implicit)
+ {
+ if (!in_array($openid_ns_uri, $this->allowed_openid_namespaces)) {
+ Auth_OpenID::log('Invalid null namespace: "%s"', $openid_ns_uri);
+ return false;
+ }
+
+ $succeeded = $this->namespaces->addAlias($openid_ns_uri,
+ Auth_OpenID_NULL_NAMESPACE,
+ $implicit);
+ if ($succeeded === false) {
+ return false;
+ }
+
+ $this->_openid_ns_uri = $openid_ns_uri;
+
+ return true;
+ }
+
+ function getOpenIDNamespace()
+ {
+ return $this->_openid_ns_uri;
+ }
+
+ static function fromKVForm($kvform_string)
+ {
+ // Create a Message from a KVForm string
+ return Auth_OpenID_Message::fromOpenIDArgs(
+ Auth_OpenID_KVForm::toArray($kvform_string));
+ }
+
+ function copy()
+ {
+ return $this;
+ }
+
+ function toPostArgs()
+ {
+ // Return all arguments with openid. in front of namespaced
+ // arguments.
+
+ $args = array();
+
+ // Add namespace definitions to the output
+ foreach ($this->namespaces->iteritems() as $pair) {
+ list($ns_uri, $alias) = $pair;
+ if ($this->namespaces->isImplicit($ns_uri)) {
+ continue;
+ }
+ if ($alias == Auth_OpenID_NULL_NAMESPACE) {
+ $ns_key = 'openid.ns';
+ } else {
+ $ns_key = 'openid.ns.' . $alias;
+ }
+ $args[$ns_key] = $ns_uri;
+ }
+
+ foreach ($this->args->items() as $pair) {
+ list($ns_parts, $value) = $pair;
+ list($ns_uri, $ns_key) = $ns_parts;
+ $key = $this->getKey($ns_uri, $ns_key);
+ $args[$key] = $value;
+ }
+
+ return $args;
+ }
+
+ function toArgs()
+ {
+ // Return all namespaced arguments, failing if any
+ // non-namespaced arguments exist.
+ $post_args = $this->toPostArgs();
+ $kvargs = array();
+ foreach ($post_args as $k => $v) {
+ if (strpos($k, 'openid.') !== 0) {
+ // raise ValueError(
+ // 'This message can only be encoded as a POST, because it '
+ // 'contains arguments that are not prefixed with "openid."')
+ return null;
+ } else {
+ $kvargs[substr($k, 7)] = $v;
+ }
+ }
+
+ return $kvargs;
+ }
+
+ function toFormMarkup($action_url, $form_tag_attrs = null,
+ $submit_text = "Continue")
+ {
+ $form = "<form accept-charset=\"UTF-8\" ".
+ "enctype=\"application/x-www-form-urlencoded\"";
+
+ if (!$form_tag_attrs) {
+ $form_tag_attrs = array();
+ }
+
+ $form_tag_attrs['action'] = $action_url;
+ $form_tag_attrs['method'] = 'post';
+
+ unset($form_tag_attrs['enctype']);
+ unset($form_tag_attrs['accept-charset']);
+
+ if ($form_tag_attrs) {
+ foreach ($form_tag_attrs as $name => $attr) {
+ $form .= sprintf(" %s=\"%s\"", $name, htmlspecialchars($attr));
+ }
+ }
+
+ $form .= ">\n";
+
+ foreach ($this->toPostArgs() as $name => $value) {
+ $form .= sprintf(
+ "<input type=\"hidden\" name=\"%s\" value=\"%s\" />\n",
+ htmlspecialchars($name), htmlspecialchars($value));
+ }
+
+ $form .= sprintf("<input type=\"submit\" value=\"%s\" />\n",
+ htmlspecialchars($submit_text));
+
+ $form .= "</form>\n";
+
+ return $form;
+ }
+
+ function toURL($base_url)
+ {
+ // Generate a GET URL with the parameters in this message
+ // attached as query parameters.
+ return Auth_OpenID::appendArgs($base_url, $this->toPostArgs());
+ }
+
+ function toKVForm()
+ {
+ // Generate a KVForm string that contains the parameters in
+ // this message. This will fail if the message contains
+ // arguments outside of the 'openid.' prefix.
+ return Auth_OpenID_KVForm::fromArray($this->toArgs());
+ }
+
+ function toURLEncoded()
+ {
+ // Generate an x-www-urlencoded string
+ $args = array();
+
+ foreach ($this->toPostArgs() as $k => $v) {
+ $args[] = array($k, $v);
+ }
+
+ sort($args);
+ return Auth_OpenID::httpBuildQuery($args);
+ }
+
+ /**
+ * @access private
+ */
+ function _fixNS($namespace)
+ {
+ // Convert an input value into the internally used values of
+ // this object
+
+ if ($namespace == Auth_OpenID_OPENID_NS) {
+ if ($this->_openid_ns_uri === null) {
+ return new Auth_OpenID_FailureResponse(null,
+ 'OpenID namespace not set');
+ } else {
+ $namespace = $this->_openid_ns_uri;
+ }
+ }
+
+ if (($namespace != Auth_OpenID_BARE_NS) &&
+ (!is_string($namespace))) {
+ //TypeError
+ $err_msg = sprintf("Namespace must be Auth_OpenID_BARE_NS, ".
+ "Auth_OpenID_OPENID_NS or a string. got %s",
+ print_r($namespace, true));
+ return new Auth_OpenID_FailureResponse(null, $err_msg);
+ }
+
+ if (($namespace != Auth_OpenID_BARE_NS) &&
+ (strpos($namespace, ':') === false)) {
+ // fmt = 'OpenID 2.0 namespace identifiers SHOULD be URIs. Got %r'
+ // warnings.warn(fmt % (namespace,), DeprecationWarning)
+
+ if ($namespace == 'sreg') {
+ // fmt = 'Using %r instead of "sreg" as namespace'
+ // warnings.warn(fmt % (SREG_URI,), DeprecationWarning,)
+ return Auth_OpenID_SREG_URI;
+ }
+ }
+
+ return $namespace;
+ }
+
+ function hasKey($namespace, $ns_key)
+ {
+ $namespace = $this->_fixNS($namespace);
+ if (Auth_OpenID::isFailure($namespace)) {
+ // XXX log me
+ return false;
+ } else {
+ return $this->args->contains(array($namespace, $ns_key));
+ }
+ }
+
+ function getKey($namespace, $ns_key)
+ {
+ // Get the key for a particular namespaced argument
+ $namespace = $this->_fixNS($namespace);
+ if (Auth_OpenID::isFailure($namespace)) {
+ return $namespace;
+ }
+ if ($namespace == Auth_OpenID_BARE_NS) {
+ return $ns_key;
+ }
+
+ $ns_alias = $this->namespaces->getAlias($namespace);
+
+ // No alias is defined, so no key can exist
+ if ($ns_alias === null) {
+ return null;
+ }
+
+ if ($ns_alias == Auth_OpenID_NULL_NAMESPACE) {
+ $tail = $ns_key;
+ } else {
+ $tail = sprintf('%s.%s', $ns_alias, $ns_key);
+ }
+
+ return 'openid.' . $tail;
+ }
+
+ function getArg($namespace, $key, $default = null)
+ {
+ // Get a value for a namespaced key.
+ $namespace = $this->_fixNS($namespace);
+
+ if (Auth_OpenID::isFailure($namespace)) {
+ return $namespace;
+ } else {
+ if ((!$this->args->contains(array($namespace, $key))) &&
+ ($default == Auth_OpenID_NO_DEFAULT)) {
+ $err_msg = sprintf("Namespace %s missing required field %s",
+ $namespace, $key);
+ return new Auth_OpenID_FailureResponse(null, $err_msg);
+ } else {
+ return $this->args->get(array($namespace, $key), $default);
+ }
+ }
+ }
+
+ function getArgs($namespace)
+ {
+ // Get the arguments that are defined for this namespace URI
+
+ $namespace = $this->_fixNS($namespace);
+ if (Auth_OpenID::isFailure($namespace)) {
+ return $namespace;
+ } else {
+ $stuff = array();
+ foreach ($this->args->items() as $pair) {
+ list($key, $value) = $pair;
+ list($pair_ns, $ns_key) = $key;
+ if ($pair_ns == $namespace) {
+ $stuff[$ns_key] = $value;
+ }
+ }
+
+ return $stuff;
+ }
+ }
+
+ function updateArgs($namespace, $updates)
+ {
+ // Set multiple key/value pairs in one call
+
+ $namespace = $this->_fixNS($namespace);
+
+ if (Auth_OpenID::isFailure($namespace)) {
+ return $namespace;
+ } else {
+ foreach ($updates as $k => $v) {
+ $this->setArg($namespace, $k, $v);
+ }
+ return true;
+ }
+ }
+
+ function setArg($namespace, $key, $value)
+ {
+ // Set a single argument in this namespace
+ $namespace = $this->_fixNS($namespace);
+
+ if (Auth_OpenID::isFailure($namespace)) {
+ return $namespace;
+ } else {
+ $this->args->set(array($namespace, $key), $value);
+ if ($namespace !== Auth_OpenID_BARE_NS) {
+ $this->namespaces->add($namespace);
+ }
+ return true;
+ }
+ }
+
+ function delArg($namespace, $key)
+ {
+ $namespace = $this->_fixNS($namespace);
+
+ if (Auth_OpenID::isFailure($namespace)) {
+ return $namespace;
+ } else {
+ return $this->args->del(array($namespace, $key));
+ }
+ }
+
+ function getAliasedArg($aliased_key, $default = null)
+ {
+ if ($aliased_key == 'ns') {
+ // Return the namespace URI for the OpenID namespace
+ return $this->getOpenIDNamespace();
+ }
+
+ $parts = explode('.', $aliased_key, 2);
+
+ if (count($parts) != 2) {
+ $ns = null;
+ } else {
+ list($alias, $key) = $parts;
+
+ if ($alias == 'ns') {
+ // Return the namespace URI for a namespace alias
+ // parameter.
+ return $this->namespaces->getNamespaceURI($key);
+ } else {
+ $ns = $this->namespaces->getNamespaceURI($alias);
+ }
+ }
+
+ if ($ns === null) {
+ $key = $aliased_key;
+ $ns = $this->getOpenIDNamespace();
+ }
+
+ return $this->getArg($ns, $key, $default);
+ }
+}
+
+
diff --git a/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/MySQLStore.php b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/MySQLStore.php
new file mode 100644
index 0000000..a5299b3
--- /dev/null
+++ b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/MySQLStore.php
@@ -0,0 +1,77 @@
+<?php
+
+/**
+ * A MySQL store.
+ *
+ * @package OpenID
+ */
+
+/**
+ * Require the base class file.
+ */
+require_once "Auth/OpenID/SQLStore.php";
+
+/**
+ * An SQL store that uses MySQL as its backend.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_MySQLStore extends Auth_OpenID_SQLStore {
+ /**
+ * @access private
+ */
+ function setSQL()
+ {
+ $this->sql['nonce_table'] =
+ "CREATE TABLE %s (\n".
+ " server_url VARCHAR(2047) NOT NULL,\n".
+ " timestamp INTEGER NOT NULL,\n".
+ " salt CHAR(40) NOT NULL,\n".
+ " UNIQUE (server_url(255), timestamp, salt)\n".
+ ") ENGINE=InnoDB";
+
+ $this->sql['assoc_table'] =
+ "CREATE TABLE %s (\n".
+ " server_url VARCHAR(2047) NOT NULL,\n".
+ " handle VARCHAR(255) NOT NULL,\n".
+ " secret BLOB NOT NULL,\n".
+ " issued INTEGER NOT NULL,\n".
+ " lifetime INTEGER NOT NULL,\n".
+ " assoc_type VARCHAR(64) NOT NULL,\n".
+ " PRIMARY KEY (server_url(255), handle)\n".
+ ") ENGINE=InnoDB";
+
+ $this->sql['set_assoc'] =
+ "REPLACE INTO %s (server_url, handle, secret, issued,\n".
+ " lifetime, assoc_type) VALUES (?, ?, !, ?, ?, ?)";
+
+ $this->sql['get_assocs'] =
+ "SELECT handle, secret, issued, lifetime, assoc_type FROM %s ".
+ "WHERE server_url = ?";
+
+ $this->sql['get_assoc'] =
+ "SELECT handle, secret, issued, lifetime, assoc_type FROM %s ".
+ "WHERE server_url = ? AND handle = ?";
+
+ $this->sql['remove_assoc'] =
+ "DELETE FROM %s WHERE server_url = ? AND handle = ?";
+
+ $this->sql['add_nonce'] =
+ "INSERT INTO %s (server_url, timestamp, salt) VALUES (?, ?, ?)";
+
+ $this->sql['clean_nonce'] =
+ "DELETE FROM %s WHERE timestamp < ?";
+
+ $this->sql['clean_assoc'] =
+ "DELETE FROM %s WHERE issued + lifetime < ?";
+ }
+
+ /**
+ * @access private
+ */
+ function blobEncode($blob)
+ {
+ return "0x" . bin2hex($blob);
+ }
+}
+
diff --git a/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/Nonce.php b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/Nonce.php
new file mode 100644
index 0000000..b83c591
--- /dev/null
+++ b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/Nonce.php
@@ -0,0 +1,108 @@
+<?php
+
+/**
+ * Nonce-related functionality.
+ *
+ * @package OpenID
+ */
+
+/**
+ * Need CryptUtil to generate random strings.
+ */
+require_once 'Auth/OpenID/CryptUtil.php';
+
+/**
+ * This is the characters that the nonces are made from.
+ */
+define('Auth_OpenID_Nonce_CHRS',"abcdefghijklmnopqrstuvwxyz" .
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789");
+
+// Keep nonces for five hours (allow five hours for the combination of
+// request time and clock skew). This is probably way more than is
+// necessary, but there is not much overhead in storing nonces.
+global $Auth_OpenID_SKEW;
+$Auth_OpenID_SKEW = 60 * 60 * 5;
+
+define('Auth_OpenID_Nonce_REGEX',
+ '/(\d{4})-(\d\d)-(\d\d)T(\d\d):(\d\d):(\d\d)Z(.*)/');
+
+define('Auth_OpenID_Nonce_TIME_FMT',
+ '%Y-%m-%dT%H:%M:%SZ');
+
+function Auth_OpenID_splitNonce($nonce_string)
+{
+ // Extract a timestamp from the given nonce string
+ $result = preg_match(Auth_OpenID_Nonce_REGEX, $nonce_string, $matches);
+ if ($result != 1 || count($matches) != 8) {
+ return null;
+ }
+
+ list($unused,
+ $tm_year,
+ $tm_mon,
+ $tm_mday,
+ $tm_hour,
+ $tm_min,
+ $tm_sec,
+ $uniquifier) = $matches;
+
+ $timestamp =
+ @gmmktime($tm_hour, $tm_min, $tm_sec, $tm_mon, $tm_mday, $tm_year);
+
+ if ($timestamp === false || $timestamp < 0) {
+ return null;
+ }
+
+ return array($timestamp, $uniquifier);
+}
+
+function Auth_OpenID_checkTimestamp($nonce_string,
+ $allowed_skew = null,
+ $now = null)
+{
+ // Is the timestamp that is part of the specified nonce string
+ // within the allowed clock-skew of the current time?
+ global $Auth_OpenID_SKEW;
+
+ if ($allowed_skew === null) {
+ $allowed_skew = $Auth_OpenID_SKEW;
+ }
+
+ $parts = Auth_OpenID_splitNonce($nonce_string);
+ if ($parts == null) {
+ return false;
+ }
+
+ if ($now === null) {
+ $now = time();
+ }
+
+ $stamp = $parts[0];
+
+ // Time after which we should not use the nonce
+ $past = $now - $allowed_skew;
+
+ // Time that is too far in the future for us to allow
+ $future = $now + $allowed_skew;
+
+ // the stamp is not too far in the future and is not too far
+ // in the past
+ return (($past <= $stamp) && ($stamp <= $future));
+}
+
+function Auth_OpenID_mkNonce($when = null)
+{
+ // Generate a nonce with the current timestamp
+ $salt = Auth_OpenID_CryptUtil::randomString(
+ 6, Auth_OpenID_Nonce_CHRS);
+ if ($when === null) {
+ // It's safe to call time() with no arguments; it returns a
+ // GMT unix timestamp on PHP 4 and PHP 5. gmmktime() with no
+ // args returns a local unix timestamp on PHP 4, so don't use
+ // that.
+ $when = time();
+ }
+ $time_str = gmstrftime(Auth_OpenID_Nonce_TIME_FMT, $when);
+ return $time_str . $salt;
+}
+
diff --git a/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/PAPE.php b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/PAPE.php
new file mode 100644
index 0000000..f08ca8b
--- /dev/null
+++ b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/PAPE.php
@@ -0,0 +1,300 @@
+<?php
+
+/**
+ * An implementation of the OpenID Provider Authentication Policy
+ * Extension 1.0
+ *
+ * See:
+ * http://openid.net/developers/specs/
+ */
+
+require_once "Auth/OpenID/Extension.php";
+
+define('Auth_OpenID_PAPE_NS_URI',
+ "http://specs.openid.net/extensions/pape/1.0");
+
+define('PAPE_AUTH_MULTI_FACTOR_PHYSICAL',
+ 'http://schemas.openid.net/pape/policies/2007/06/multi-factor-physical');
+define('PAPE_AUTH_MULTI_FACTOR',
+ 'http://schemas.openid.net/pape/policies/2007/06/multi-factor');
+define('PAPE_AUTH_PHISHING_RESISTANT',
+ 'http://schemas.openid.net/pape/policies/2007/06/phishing-resistant');
+
+define('PAPE_TIME_VALIDATOR',
+ '/^[0-9]{4,4}-[0-9][0-9]-[0-9][0-9]T[0-9][0-9]:[0-9][0-9]:[0-9][0-9]Z$/');
+/**
+ * A Provider Authentication Policy request, sent from a relying party
+ * to a provider
+ *
+ * preferred_auth_policies: The authentication policies that
+ * the relying party prefers
+ *
+ * max_auth_age: The maximum time, in seconds, that the relying party
+ * wants to allow to have elapsed before the user must re-authenticate
+ */
+class Auth_OpenID_PAPE_Request extends Auth_OpenID_Extension {
+
+ var $ns_alias = 'pape';
+ var $ns_uri = Auth_OpenID_PAPE_NS_URI;
+
+ function Auth_OpenID_PAPE_Request($preferred_auth_policies=null,
+ $max_auth_age=null)
+ {
+ if ($preferred_auth_policies === null) {
+ $preferred_auth_policies = array();
+ }
+
+ $this->preferred_auth_policies = $preferred_auth_policies;
+ $this->max_auth_age = $max_auth_age;
+ }
+
+ /**
+ * Add an acceptable authentication policy URI to this request
+ *
+ * This method is intended to be used by the relying party to add
+ * acceptable authentication types to the request.
+ *
+ * policy_uri: The identifier for the preferred type of
+ * authentication.
+ */
+ function addPolicyURI($policy_uri)
+ {
+ if (!in_array($policy_uri, $this->preferred_auth_policies)) {
+ $this->preferred_auth_policies[] = $policy_uri;
+ }
+ }
+
+ function getExtensionArgs()
+ {
+ $ns_args = array(
+ 'preferred_auth_policies' =>
+ implode(' ', $this->preferred_auth_policies)
+ );
+
+ if ($this->max_auth_age !== null) {
+ $ns_args['max_auth_age'] = strval($this->max_auth_age);
+ }
+
+ return $ns_args;
+ }
+
+ /**
+ * Instantiate a Request object from the arguments in a checkid_*
+ * OpenID message
+ */
+ static function fromOpenIDRequest($request)
+ {
+ $obj = new Auth_OpenID_PAPE_Request();
+ $args = $request->message->getArgs(Auth_OpenID_PAPE_NS_URI);
+
+ if ($args === null || $args === array()) {
+ return null;
+ }
+
+ $obj->parseExtensionArgs($args);
+ return $obj;
+ }
+
+ /**
+ * Set the state of this request to be that expressed in these
+ * PAPE arguments
+ *
+ * @param args: The PAPE arguments without a namespace
+ */
+ function parseExtensionArgs($args)
+ {
+ // preferred_auth_policies is a space-separated list of policy
+ // URIs
+ $this->preferred_auth_policies = array();
+
+ $policies_str = Auth_OpenID::arrayGet($args, 'preferred_auth_policies');
+ if ($policies_str) {
+ foreach (explode(' ', $policies_str) as $uri) {
+ if (!in_array($uri, $this->preferred_auth_policies)) {
+ $this->preferred_auth_policies[] = $uri;
+ }
+ }
+ }
+
+ // max_auth_age is base-10 integer number of seconds
+ $max_auth_age_str = Auth_OpenID::arrayGet($args, 'max_auth_age');
+ if ($max_auth_age_str) {
+ $this->max_auth_age = Auth_OpenID::intval($max_auth_age_str);
+ } else {
+ $this->max_auth_age = null;
+ }
+ }
+
+ /**
+ * Given a list of authentication policy URIs that a provider
+ * supports, this method returns the subsequence of those types
+ * that are preferred by the relying party.
+ *
+ * @param supported_types: A sequence of authentication policy
+ * type URIs that are supported by a provider
+ *
+ * @return array The sub-sequence of the supported types that are
+ * preferred by the relying party. This list will be ordered in
+ * the order that the types appear in the supported_types
+ * sequence, and may be empty if the provider does not prefer any
+ * of the supported authentication types.
+ */
+ function preferredTypes($supported_types)
+ {
+ $result = array();
+
+ foreach ($supported_types as $st) {
+ if (in_array($st, $this->preferred_auth_policies)) {
+ $result[] = $st;
+ }
+ }
+ return $result;
+ }
+}
+
+/**
+ * A Provider Authentication Policy response, sent from a provider to
+ * a relying party
+ */
+class Auth_OpenID_PAPE_Response extends Auth_OpenID_Extension {
+
+ var $ns_alias = 'pape';
+ var $ns_uri = Auth_OpenID_PAPE_NS_URI;
+
+ function Auth_OpenID_PAPE_Response($auth_policies=null, $auth_time=null,
+ $nist_auth_level=null)
+ {
+ if ($auth_policies) {
+ $this->auth_policies = $auth_policies;
+ } else {
+ $this->auth_policies = array();
+ }
+
+ $this->auth_time = $auth_time;
+ $this->nist_auth_level = $nist_auth_level;
+ }
+
+ /**
+ * Add a authentication policy to this response
+ *
+ * This method is intended to be used by the provider to add a
+ * policy that the provider conformed to when authenticating the
+ * user.
+ *
+ * @param policy_uri: The identifier for the preferred type of
+ * authentication.
+ */
+ function addPolicyURI($policy_uri)
+ {
+ if (!in_array($policy_uri, $this->auth_policies)) {
+ $this->auth_policies[] = $policy_uri;
+ }
+ }
+
+ /**
+ * Create an Auth_OpenID_PAPE_Response object from a successful
+ * OpenID library response.
+ *
+ * @param success_response $success_response A SuccessResponse
+ * from Auth_OpenID_Consumer::complete()
+ *
+ * @returns: A provider authentication policy response from the
+ * data that was supplied with the id_res response.
+ */
+ static function fromSuccessResponse($success_response)
+ {
+ $obj = new Auth_OpenID_PAPE_Response();
+
+ // PAPE requires that the args be signed.
+ $args = $success_response->getSignedNS(Auth_OpenID_PAPE_NS_URI);
+
+ if ($args === null || $args === array()) {
+ return null;
+ }
+
+ $result = $obj->parseExtensionArgs($args);
+
+ if ($result === false) {
+ return null;
+ } else {
+ return $obj;
+ }
+ }
+
+ /**
+ * Parse the provider authentication policy arguments into the
+ * internal state of this object
+ *
+ * @param args: unqualified provider authentication policy
+ * arguments
+ *
+ * @param strict: Whether to return false when bad data is
+ * encountered
+ *
+ * @return null The data is parsed into the internal fields of
+ * this object.
+ */
+ function parseExtensionArgs($args, $strict=false)
+ {
+ $policies_str = Auth_OpenID::arrayGet($args, 'auth_policies');
+ if ($policies_str && $policies_str != "none") {
+ $this->auth_policies = explode(" ", $policies_str);
+ }
+
+ $nist_level_str = Auth_OpenID::arrayGet($args, 'nist_auth_level');
+ if ($nist_level_str !== null) {
+ $nist_level = Auth_OpenID::intval($nist_level_str);
+
+ if ($nist_level === false) {
+ if ($strict) {
+ return false;
+ } else {
+ $nist_level = null;
+ }
+ }
+
+ if (0 <= $nist_level && $nist_level < 5) {
+ $this->nist_auth_level = $nist_level;
+ } else if ($strict) {
+ return false;
+ }
+ }
+
+ $auth_time = Auth_OpenID::arrayGet($args, 'auth_time');
+ if ($auth_time !== null) {
+ if (preg_match(PAPE_TIME_VALIDATOR, $auth_time)) {
+ $this->auth_time = $auth_time;
+ } else if ($strict) {
+ return false;
+ }
+ }
+ }
+
+ function getExtensionArgs()
+ {
+ $ns_args = array();
+ if (count($this->auth_policies) > 0) {
+ $ns_args['auth_policies'] = implode(' ', $this->auth_policies);
+ } else {
+ $ns_args['auth_policies'] = 'none';
+ }
+
+ if ($this->nist_auth_level !== null) {
+ if (!in_array($this->nist_auth_level, range(0, 4), true)) {
+ return false;
+ }
+ $ns_args['nist_auth_level'] = strval($this->nist_auth_level);
+ }
+
+ if ($this->auth_time !== null) {
+ if (!preg_match(PAPE_TIME_VALIDATOR, $this->auth_time)) {
+ return false;
+ }
+
+ $ns_args['auth_time'] = $this->auth_time;
+ }
+
+ return $ns_args;
+ }
+}
+
diff --git a/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/Parse.php b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/Parse.php
new file mode 100644
index 0000000..0461bdc
--- /dev/null
+++ b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/Parse.php
@@ -0,0 +1,381 @@
+<?php
+
+/**
+ * This module implements a VERY limited parser that finds <link> tags
+ * in the head of HTML or XHTML documents and parses out their
+ * attributes according to the OpenID spec. It is a liberal parser,
+ * but it requires these things from the data in order to work:
+ *
+ * - There must be an open <html> tag
+ *
+ * - There must be an open <head> tag inside of the <html> tag
+ *
+ * - Only <link>s that are found inside of the <head> tag are parsed
+ * (this is by design)
+ *
+ * - The parser follows the OpenID specification in resolving the
+ * attributes of the link tags. This means that the attributes DO
+ * NOT get resolved as they would by an XML or HTML parser. In
+ * particular, only certain entities get replaced, and href
+ * attributes do not get resolved relative to a base URL.
+ *
+ * From http://openid.net/specs.bml:
+ *
+ * - The openid.server URL MUST be an absolute URL. OpenID consumers
+ * MUST NOT attempt to resolve relative URLs.
+ *
+ * - The openid.server URL MUST NOT include entities other than &amp;,
+ * &lt;, &gt;, and &quot;.
+ *
+ * The parser ignores SGML comments and <![CDATA[blocks]]>. Both kinds
+ * of quoting are allowed for attributes.
+ *
+ * The parser deals with invalid markup in these ways:
+ *
+ * - Tag names are not case-sensitive
+ *
+ * - The <html> tag is accepted even when it is not at the top level
+ *
+ * - The <head> tag is accepted even when it is not a direct child of
+ * the <html> tag, but a <html> tag must be an ancestor of the
+ * <head> tag
+ *
+ * - <link> tags are accepted even when they are not direct children
+ * of the <head> tag, but a <head> tag must be an ancestor of the
+ * <link> tag
+ *
+ * - If there is no closing tag for an open <html> or <head> tag, the
+ * remainder of the document is viewed as being inside of the
+ * tag. If there is no closing tag for a <link> tag, the link tag is
+ * treated as a short tag. Exceptions to this rule are that <html>
+ * closes <html> and <body> or <head> closes <head>
+ *
+ * - Attributes of the <link> tag are not required to be quoted.
+ *
+ * - In the case of duplicated attribute names, the attribute coming
+ * last in the tag will be the value returned.
+ *
+ * - Any text that does not parse as an attribute within a link tag
+ * will be ignored. (e.g. <link pumpkin rel='openid.server' /> will
+ * ignore pumpkin)
+ *
+ * - If there are more than one <html> or <head> tag, the parser only
+ * looks inside of the first one.
+ *
+ * - The contents of <script> tags are ignored entirely, except
+ * unclosed <script> tags. Unclosed <script> tags are ignored.
+ *
+ * - Any other invalid markup is ignored, including unclosed SGML
+ * comments and unclosed <![CDATA[blocks.
+ *
+ * PHP versions 4 and 5
+ *
+ * LICENSE: See the COPYING file included in this distribution.
+ *
+ * @access private
+ * @package OpenID
+ * @author JanRain, Inc. <openid@janrain.com>
+ * @copyright 2005-2008 Janrain, Inc.
+ * @license http://www.apache.org/licenses/LICENSE-2.0 Apache
+ */
+
+/**
+ * Require Auth_OpenID::arrayGet().
+ */
+require_once "Auth/OpenID.php";
+
+class Auth_OpenID_Parse {
+
+ /**
+ * Specify some flags for use with regex matching.
+ */
+ var $_re_flags = "si";
+
+ /**
+ * Stuff to remove before we start looking for tags
+ */
+ var $_removed_re =
+ "<!--.*?-->|<!\[CDATA\[.*?\]\]>|<script\b(?!:)[^>]*>.*?<\/script>";
+
+ /**
+ * Starts with the tag name at a word boundary, where the tag name
+ * is not a namespace
+ */
+ var $_tag_expr = "<%s\b(?!:)([^>]*?)(?:\/>|>(.*)(?:<\/?%s\s*>|\Z))";
+
+ var $_attr_find = '\b(\w+)=("[^"]*"|\'[^\']*\'|[^\'"\s\/<>]+)';
+
+ var $_open_tag_expr = "<%s\b";
+ var $_close_tag_expr = "<((\/%s\b)|(%s[^>\/]*\/))>";
+
+ function Auth_OpenID_Parse()
+ {
+ $this->_link_find = sprintf("/<link\b(?!:)([^>]*)(?!<)>/%s",
+ $this->_re_flags);
+
+ $this->_entity_replacements = array(
+ 'amp' => '&',
+ 'lt' => '<',
+ 'gt' => '>',
+ 'quot' => '"'
+ );
+
+ $this->_attr_find = sprintf("/%s/%s",
+ $this->_attr_find,
+ $this->_re_flags);
+
+ $this->_removed_re = sprintf("/%s/%s",
+ $this->_removed_re,
+ $this->_re_flags);
+
+ $this->_ent_replace =
+ sprintf("&(%s);", implode("|",
+ $this->_entity_replacements));
+ }
+
+ /**
+ * Returns a regular expression that will match a given tag in an
+ * SGML string.
+ */
+ function tagMatcher($tag_name, $close_tags = null)
+ {
+ $expr = $this->_tag_expr;
+
+ if ($close_tags) {
+ $options = implode("|", array_merge(array($tag_name), $close_tags));
+ $closer = sprintf("(?:%s)", $options);
+ } else {
+ $closer = $tag_name;
+ }
+
+ $expr = sprintf($expr, $tag_name, $closer);
+ return sprintf("/%s/%s", $expr, $this->_re_flags);
+ }
+
+ function openTag($tag_name)
+ {
+ $expr = sprintf($this->_open_tag_expr, $tag_name);
+ return sprintf("/%s/%s", $expr, $this->_re_flags);
+ }
+
+ function closeTag($tag_name)
+ {
+ $expr = sprintf($this->_close_tag_expr, $tag_name, $tag_name);
+ return sprintf("/%s/%s", $expr, $this->_re_flags);
+ }
+
+ function htmlBegin($s)
+ {
+ $matches = array();
+ $result = preg_match($this->openTag('html'), $s,
+ $matches, PREG_OFFSET_CAPTURE);
+ if ($result === false || !$matches) {
+ return false;
+ }
+ // Return the offset of the first match.
+ return $matches[0][1];
+ }
+
+ function htmlEnd($s)
+ {
+ $matches = array();
+ $result = preg_match($this->closeTag('html'), $s,
+ $matches, PREG_OFFSET_CAPTURE);
+ if ($result === false || !$matches) {
+ return false;
+ }
+ // Return the offset of the first match.
+ return $matches[count($matches) - 1][1];
+ }
+
+ function headFind()
+ {
+ return $this->tagMatcher('head', array('body', 'html'));
+ }
+
+ function replaceEntities($str)
+ {
+ foreach ($this->_entity_replacements as $old => $new) {
+ $str = preg_replace(sprintf("/&%s;/", $old), $new, $str);
+ }
+ return $str;
+ }
+
+ function removeQuotes($str)
+ {
+ $matches = array();
+ $double = '/^"(.*)"$/';
+ $single = "/^\'(.*)\'$/";
+
+ if (preg_match($double, $str, $matches)) {
+ return $matches[1];
+ } else if (preg_match($single, $str, $matches)) {
+ return $matches[1];
+ } else {
+ return $str;
+ }
+ }
+
+ function match($regexp, $text, &$match)
+ {
+ if (!is_callable('mb_ereg_search_init')) {
+ if (!preg_match($regexp, $text, $match)) {
+ return false;
+ }
+ $match = $match[0];
+ return true;
+ }
+
+ $regexp = substr($regexp, 1, strlen($regexp) - 2 - strlen($this->_re_flags));
+ mb_ereg_search_init($text);
+ if (!mb_ereg_search($regexp)) {
+ return false;
+ }
+ $match = mb_ereg_search_getregs();
+ return true;
+ }
+
+ /**
+ * Find all link tags in a string representing a HTML document and
+ * return a list of their attributes.
+ *
+ * @todo This is quite ineffective and may fail with the default
+ * pcre.backtrack_limit of 100000 in PHP 5.2, if $html is big.
+ * It should rather use stripos (in PHP5) or strpos()+strtoupper()
+ * in PHP4 to manage this.
+ *
+ * @param string $html The text to parse
+ * @return array $list An array of arrays of attributes, one for each
+ * link tag
+ */
+ function parseLinkAttrs($html)
+ {
+ $stripped = preg_replace($this->_removed_re,
+ "",
+ $html);
+
+ $html_begin = $this->htmlBegin($stripped);
+ $html_end = $this->htmlEnd($stripped);
+
+ if ($html_begin === false) {
+ return array();
+ }
+
+ if ($html_end === false) {
+ $html_end = strlen($stripped);
+ }
+
+ $stripped = substr($stripped, $html_begin,
+ $html_end - $html_begin);
+
+ // Workaround to prevent PREG_BACKTRACK_LIMIT_ERROR:
+ $old_btlimit = ini_set( 'pcre.backtrack_limit', -1 );
+
+ // Try to find the <HEAD> tag.
+ $head_re = $this->headFind();
+ $head_match = array();
+ if (!$this->match($head_re, $stripped, $head_match)) {
+ ini_set( 'pcre.backtrack_limit', $old_btlimit );
+ return array();
+ }
+
+ $link_data = array();
+ $link_matches = array();
+
+ if (!preg_match_all($this->_link_find, $head_match[0],
+ $link_matches)) {
+ ini_set( 'pcre.backtrack_limit', $old_btlimit );
+ return array();
+ }
+
+ foreach ($link_matches[0] as $link) {
+ $attr_matches = array();
+ preg_match_all($this->_attr_find, $link, $attr_matches);
+ $link_attrs = array();
+ foreach ($attr_matches[0] as $index => $full_match) {
+ $name = $attr_matches[1][$index];
+ $value = $this->replaceEntities(
+ $this->removeQuotes($attr_matches[2][$index]));
+
+ $link_attrs[strtolower($name)] = $value;
+ }
+ $link_data[] = $link_attrs;
+ }
+
+ ini_set( 'pcre.backtrack_limit', $old_btlimit );
+ return $link_data;
+ }
+
+ function relMatches($rel_attr, $target_rel)
+ {
+ // Does this target_rel appear in the rel_str?
+ // XXX: TESTME
+ $rels = preg_split("/\s+/", trim($rel_attr));
+ foreach ($rels as $rel) {
+ $rel = strtolower($rel);
+ if ($rel == $target_rel) {
+ return 1;
+ }
+ }
+
+ return 0;
+ }
+
+ function linkHasRel($link_attrs, $target_rel)
+ {
+ // Does this link have target_rel as a relationship?
+ // XXX: TESTME
+ $rel_attr = Auth_OpeniD::arrayGet($link_attrs, 'rel', null);
+ return ($rel_attr && $this->relMatches($rel_attr,
+ $target_rel));
+ }
+
+ function findLinksRel($link_attrs_list, $target_rel)
+ {
+ // Filter the list of link attributes on whether it has
+ // target_rel as a relationship.
+ // XXX: TESTME
+ $result = array();
+ foreach ($link_attrs_list as $attr) {
+ if ($this->linkHasRel($attr, $target_rel)) {
+ $result[] = $attr;
+ }
+ }
+
+ return $result;
+ }
+
+ function findFirstHref($link_attrs_list, $target_rel)
+ {
+ // Return the value of the href attribute for the first link
+ // tag in the list that has target_rel as a relationship.
+ // XXX: TESTME
+ $matches = $this->findLinksRel($link_attrs_list,
+ $target_rel);
+ if (!$matches) {
+ return null;
+ }
+ $first = $matches[0];
+ return Auth_OpenID::arrayGet($first, 'href', null);
+ }
+}
+
+function Auth_OpenID_legacy_discover($html_text, $server_rel,
+ $delegate_rel)
+{
+ $p = new Auth_OpenID_Parse();
+
+ $link_attrs = $p->parseLinkAttrs($html_text);
+
+ $server_url = $p->findFirstHref($link_attrs,
+ $server_rel);
+
+ if ($server_url === null) {
+ return false;
+ } else {
+ $delegate_url = $p->findFirstHref($link_attrs,
+ $delegate_rel);
+ return array($delegate_url, $server_url);
+ }
+}
+
diff --git a/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/PostgreSQLStore.php b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/PostgreSQLStore.php
new file mode 100644
index 0000000..d90e43e
--- /dev/null
+++ b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/PostgreSQLStore.php
@@ -0,0 +1,112 @@
+<?php
+
+/**
+ * A PostgreSQL store.
+ *
+ * @package OpenID
+ */
+
+/**
+ * Require the base class file.
+ */
+require_once "Auth/OpenID/SQLStore.php";
+
+/**
+ * An SQL store that uses PostgreSQL as its backend.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_PostgreSQLStore extends Auth_OpenID_SQLStore {
+ /**
+ * @access private
+ */
+ function setSQL()
+ {
+ $this->sql['nonce_table'] =
+ "CREATE TABLE %s (server_url VARCHAR(2047) NOT NULL, ".
+ "timestamp INTEGER NOT NULL, ".
+ "salt CHAR(40) NOT NULL, ".
+ "UNIQUE (server_url, timestamp, salt))";
+
+ $this->sql['assoc_table'] =
+ "CREATE TABLE %s (server_url VARCHAR(2047) NOT NULL, ".
+ "handle VARCHAR(255) NOT NULL, ".
+ "secret BYTEA NOT NULL, ".
+ "issued INTEGER NOT NULL, ".
+ "lifetime INTEGER NOT NULL, ".
+ "assoc_type VARCHAR(64) NOT NULL, ".
+ "PRIMARY KEY (server_url, handle), ".
+ "CONSTRAINT secret_length_constraint CHECK ".
+ "(LENGTH(secret) <= 128))";
+
+ $this->sql['set_assoc'] =
+ array(
+ 'insert_assoc' => "INSERT INTO %s (server_url, handle, ".
+ "secret, issued, lifetime, assoc_type) VALUES ".
+ "(?, ?, '!', ?, ?, ?)",
+ 'update_assoc' => "UPDATE %s SET secret = '!', issued = ?, ".
+ "lifetime = ?, assoc_type = ? WHERE server_url = ? AND ".
+ "handle = ?"
+ );
+
+ $this->sql['get_assocs'] =
+ "SELECT handle, secret, issued, lifetime, assoc_type FROM %s ".
+ "WHERE server_url = ?";
+
+ $this->sql['get_assoc'] =
+ "SELECT handle, secret, issued, lifetime, assoc_type FROM %s ".
+ "WHERE server_url = ? AND handle = ?";
+
+ $this->sql['remove_assoc'] =
+ "DELETE FROM %s WHERE server_url = ? AND handle = ?";
+
+ $this->sql['add_nonce'] =
+ "INSERT INTO %s (server_url, timestamp, salt) VALUES ".
+ "(?, ?, ?)"
+ ;
+
+ $this->sql['clean_nonce'] =
+ "DELETE FROM %s WHERE timestamp < ?";
+
+ $this->sql['clean_assoc'] =
+ "DELETE FROM %s WHERE issued + lifetime < ?";
+ }
+
+ /**
+ * @access private
+ */
+ function _set_assoc($server_url, $handle, $secret, $issued, $lifetime,
+ $assoc_type)
+ {
+ $result = $this->_get_assoc($server_url, $handle);
+ if ($result) {
+ // Update the table since this associations already exists.
+ $this->connection->query($this->sql['set_assoc']['update_assoc'],
+ array($secret, $issued, $lifetime,
+ $assoc_type, $server_url, $handle));
+ } else {
+ // Insert a new record because this association wasn't
+ // found.
+ $this->connection->query($this->sql['set_assoc']['insert_assoc'],
+ array($server_url, $handle, $secret,
+ $issued, $lifetime, $assoc_type));
+ }
+ }
+
+ /**
+ * @access private
+ */
+ function blobEncode($blob)
+ {
+ return $this->_octify($blob);
+ }
+
+ /**
+ * @access private
+ */
+ function blobDecode($blob)
+ {
+ return $this->_unoctify($blob);
+ }
+}
+
diff --git a/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/PredisStore.php b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/PredisStore.php
new file mode 100644
index 0000000..7108c2f
--- /dev/null
+++ b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/PredisStore.php
@@ -0,0 +1,208 @@
+<?php
+
+/**
+ * Supplies Redis server store backend for OpenID servers and consumers.
+ * Uses Predis library {@see https://github.com/nrk/predis}.
+ * Requires PHP >= 5.3.
+ *
+ * LICENSE: See the COPYING file included in this distribution.
+ *
+ * @package OpenID
+ * @author Ville Mattila <ville@eventio.fi>
+ * @copyright 2008 JanRain Inc., 2013 Eventio Oy / Ville Mattila
+ * @license http://www.apache.org/licenses/LICENSE-2.0 Apache
+ * Contributed by Eventio Oy <http://www.eventio.fi/>
+ */
+
+/**
+ * Import the interface for creating a new store class.
+ */
+require_once 'Auth/OpenID/Interface.php';
+
+/**
+ * Supplies Redis server store backend for OpenID servers and consumers.
+ * Uses Predis library {@see https://github.com/nrk/predis}.
+ * Requires PHP >= 5.3.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_PredisStore extends Auth_OpenID_OpenIDStore {
+
+ /**
+ * @var \Predis\Client
+ */
+ protected $redis;
+
+ /**
+ * Prefix for Redis keys
+ * @var string
+ */
+ protected $prefix;
+
+ /**
+ * Initializes a new {@link Auth_OpenID_PredisStore} instance.
+ *
+ * @param \Predis\Client $redis Predis client object
+ * @param string $prefix Prefix for all keys stored to the Redis
+ */
+ function Auth_OpenID_PredisStore(\Predis\Client $redis, $prefix = '')
+ {
+ $this->prefix = $prefix;
+ $this->redis = $redis;
+ }
+
+ /**
+ * Store association until its expiration time in Redis server.
+ * Overwrites any existing association with same server_url and
+ * handle. Handles list of associations for every server.
+ */
+ function storeAssociation($server_url, $association)
+ {
+ // create Redis keys for association itself
+ // and list of associations for this server
+ $associationKey = $this->associationKey($server_url,
+ $association->handle);
+ $serverKey = $this->associationServerKey($server_url);
+
+ // save association to server's associations' keys list
+ $this->redis->lpush(
+ $serverKey,
+ $associationKey
+ );
+
+ // Will touch the association list expiration, to avoid filling up
+ $newExpiration = ($association->issued + $association->lifetime);
+
+ $expirationKey = $serverKey.'_expires_at';
+ $expiration = $this->redis->get($expirationKey);
+ if (!$expiration || $newExpiration > $expiration) {
+ $this->redis->set($expirationKey, $newExpiration);
+ $this->redis->expireat($serverKey, $newExpiration);
+ $this->redis->expireat($expirationKey, $newExpiration);
+ }
+
+ // save association itself, will automatically expire
+ $this->redis->setex(
+ $associationKey,
+ $newExpiration - time(),
+ serialize($association)
+ );
+ }
+
+ /**
+ * Read association from Redis. If no handle given
+ * and multiple associations found, returns latest issued
+ */
+ function getAssociation($server_url, $handle = null)
+ {
+ // simple case: handle given
+ if ($handle !== null) {
+ return $this->getAssociationFromServer(
+ $this->associationKey($server_url, $handle)
+ );
+ }
+
+ // no handle given, receiving the latest issued
+ $serverKey = $this->associationServerKey($server_url);
+ $lastKey = $this->redis->lpop($serverKey);
+ if (!$lastKey) { return null; }
+
+ // get association, return null if failed
+ return $this->getAssociationFromServer($lastKey);
+ }
+
+ /**
+ * Function to actually receive and unserialize the association
+ * from the server.
+ */
+ private function getAssociationFromServer($associationKey)
+ {
+ $association = $this->redis->get($associationKey);
+ return $association ? unserialize($association) : null;
+ }
+
+ /**
+ * Immediately delete association from Redis.
+ */
+ function removeAssociation($server_url, $handle)
+ {
+ // create Redis keys
+ $serverKey = $this->associationServerKey($server_url);
+ $associationKey = $this->associationKey($server_url,
+ $handle);
+
+ // Removing the association from the server's association list
+ $removed = $this->redis->lrem($serverKey, 0, $associationKey);
+ if ($removed < 1) {
+ return false;
+ }
+
+ // Delete the association itself
+ return $this->redis->del($associationKey);
+ }
+
+ /**
+ * Create nonce for server and salt, expiring after
+ * $Auth_OpenID_SKEW seconds.
+ */
+ function useNonce($server_url, $timestamp, $salt)
+ {
+ global $Auth_OpenID_SKEW;
+
+ // save one request to memcache when nonce obviously expired
+ if (abs($timestamp - time()) > $Auth_OpenID_SKEW) {
+ return false;
+ }
+
+ // SETNX will set the value only of the key doesn't exist yet.
+ $nonceKey = $this->nonceKey($server_url, $salt);
+ $added = $this->predis->setnx($nonceKey);
+ if ($added) {
+ // Will set expiration
+ $this->predis->expire($nonceKey, $Auth_OpenID_SKEW);
+ return true;
+ } else {
+ return false;
+ }
+ }
+
+ /**
+ * Build up nonce key
+ */
+ private function nonceKey($server_url, $salt)
+ {
+ return $this->prefix .
+ 'openid_nonce_' .
+ sha1($server_url) . '_' . sha1($salt);
+ }
+
+ /**
+ * Key is prefixed with $prefix and 'openid_association_' string
+ */
+ function associationKey($server_url, $handle = null)
+ {
+ return $this->prefix .
+ 'openid_association_' .
+ sha1($server_url) . '_' . sha1($handle);
+ }
+
+ /**
+ * Key is prefixed with $prefix and 'openid_association_server_' string
+ */
+ function associationServerKey($server_url)
+ {
+ return $this->prefix .
+ 'openid_association_server_' .
+ sha1($server_url);
+ }
+
+ /**
+ * Report that this storage doesn't support cleanup
+ */
+ function supportsCleanup()
+ {
+ return false;
+ }
+
+}
+
diff --git a/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/SQLStore.php b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/SQLStore.php
new file mode 100644
index 0000000..2dc731a
--- /dev/null
+++ b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/SQLStore.php
@@ -0,0 +1,557 @@
+<?php
+
+/**
+ * SQL-backed OpenID stores.
+ *
+ * PHP versions 4 and 5
+ *
+ * LICENSE: See the COPYING file included in this distribution.
+ *
+ * @package OpenID
+ * @author JanRain, Inc. <openid@janrain.com>
+ * @copyright 2005-2008 Janrain, Inc.
+ * @license http://www.apache.org/licenses/LICENSE-2.0 Apache
+ */
+
+/**
+ * @access private
+ */
+require_once 'Auth/OpenID/Interface.php';
+require_once 'Auth/OpenID/Nonce.php';
+
+/**
+ * @access private
+ */
+require_once 'Auth/OpenID.php';
+
+/**
+ * @access private
+ */
+require_once 'Auth/OpenID/Nonce.php';
+
+/**
+ * This is the parent class for the SQL stores, which contains the
+ * logic common to all of the SQL stores.
+ *
+ * The table names used are determined by the class variables
+ * associations_table_name and nonces_table_name. To change the name
+ * of the tables used, pass new table names into the constructor.
+ *
+ * To create the tables with the proper schema, see the createTables
+ * method.
+ *
+ * This class shouldn't be used directly. Use one of its subclasses
+ * instead, as those contain the code necessary to use a specific
+ * database. If you're an OpenID integrator and you'd like to create
+ * an SQL-driven store that wraps an application's database
+ * abstraction, be sure to create a subclass of
+ * {@link Auth_OpenID_DatabaseConnection} that calls the application's
+ * database abstraction calls. Then, pass an instance of your new
+ * database connection class to your SQLStore subclass constructor.
+ *
+ * All methods other than the constructor and createTables should be
+ * considered implementation details.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_SQLStore extends Auth_OpenID_OpenIDStore {
+
+ /**
+ * This creates a new SQLStore instance. It requires an
+ * established database connection be given to it, and it allows
+ * overriding the default table names.
+ *
+ * @param connection $connection This must be an established
+ * connection to a database of the correct type for the SQLStore
+ * subclass you're using. This must either be an PEAR DB
+ * connection handle or an instance of a subclass of
+ * Auth_OpenID_DatabaseConnection.
+ *
+ * @param associations_table: This is an optional parameter to
+ * specify the name of the table used for storing associations.
+ * The default value is 'oid_associations'.
+ *
+ * @param nonces_table: This is an optional parameter to specify
+ * the name of the table used for storing nonces. The default
+ * value is 'oid_nonces'.
+ */
+ function Auth_OpenID_SQLStore($connection,
+ $associations_table = null,
+ $nonces_table = null)
+ {
+ $this->associations_table_name = "oid_associations";
+ $this->nonces_table_name = "oid_nonces";
+
+ // Check the connection object type to be sure it's a PEAR
+ // database connection.
+ if (!(is_object($connection) &&
+ (is_subclass_of($connection, 'db_common') ||
+ is_subclass_of($connection,
+ 'auth_openid_databaseconnection')))) {
+ trigger_error("Auth_OpenID_SQLStore expected PEAR connection " .
+ "object (got ".get_class($connection).")",
+ E_USER_ERROR);
+ return;
+ }
+
+ $this->connection = $connection;
+
+ // Be sure to set the fetch mode so the results are keyed on
+ // column name instead of column index. This is a PEAR
+ // constant, so only try to use it if PEAR is present. Note
+ // that Auth_Openid_Databaseconnection instances need not
+ // implement ::setFetchMode for this reason.
+ if (is_subclass_of($this->connection, 'db_common')) {
+ $this->connection->setFetchMode(DB_FETCHMODE_ASSOC);
+ }
+
+ if ($associations_table) {
+ $this->associations_table_name = $associations_table;
+ }
+
+ if ($nonces_table) {
+ $this->nonces_table_name = $nonces_table;
+ }
+
+ $this->max_nonce_age = 6 * 60 * 60;
+
+ // Be sure to run the database queries with auto-commit mode
+ // turned OFF, because we want every function to run in a
+ // transaction, implicitly. As a rule, methods named with a
+ // leading underscore will NOT control transaction behavior.
+ // Callers of these methods will worry about transactions.
+ $this->connection->autoCommit(false);
+
+ // Create an empty SQL strings array.
+ $this->sql = array();
+
+ // Call this method (which should be overridden by subclasses)
+ // to populate the $this->sql array with SQL strings.
+ $this->setSQL();
+
+ // Verify that all required SQL statements have been set, and
+ // raise an error if any expected SQL strings were either
+ // absent or empty.
+ list($missing, $empty) = $this->_verifySQL();
+
+ if ($missing) {
+ trigger_error("Expected keys in SQL query list: " .
+ implode(", ", $missing),
+ E_USER_ERROR);
+ return;
+ }
+
+ if ($empty) {
+ trigger_error("SQL list keys have no SQL strings: " .
+ implode(", ", $empty),
+ E_USER_ERROR);
+ return;
+ }
+
+ // Add table names to queries.
+ $this->_fixSQL();
+ }
+
+ function tableExists($table_name)
+ {
+ return !$this->isError(
+ $this->connection->query(
+ sprintf("SELECT * FROM %s LIMIT 0",
+ $table_name)));
+ }
+
+ /**
+ * Returns true if $value constitutes a database error; returns
+ * false otherwise.
+ */
+ function isError($value)
+ {
+ return @PEAR::isError($value);
+ }
+
+ /**
+ * Converts a query result to a boolean. If the result is a
+ * database error according to $this->isError(), this returns
+ * false; otherwise, this returns true.
+ */
+ function resultToBool($obj)
+ {
+ if ($this->isError($obj)) {
+ return false;
+ } else {
+ return true;
+ }
+ }
+
+ /**
+ * This method should be overridden by subclasses. This method is
+ * called by the constructor to set values in $this->sql, which is
+ * an array keyed on sql name.
+ */
+ function setSQL()
+ {
+ }
+
+ /**
+ * Resets the store by removing all records from the store's
+ * tables.
+ */
+ function reset()
+ {
+ $this->connection->query(sprintf("DELETE FROM %s",
+ $this->associations_table_name));
+
+ $this->connection->query(sprintf("DELETE FROM %s",
+ $this->nonces_table_name));
+ }
+
+ /**
+ * @access private
+ */
+ function _verifySQL()
+ {
+ $missing = array();
+ $empty = array();
+
+ $required_sql_keys = array(
+ 'nonce_table',
+ 'assoc_table',
+ 'set_assoc',
+ 'get_assoc',
+ 'get_assocs',
+ 'remove_assoc'
+ );
+
+ foreach ($required_sql_keys as $key) {
+ if (!array_key_exists($key, $this->sql)) {
+ $missing[] = $key;
+ } else if (!$this->sql[$key]) {
+ $empty[] = $key;
+ }
+ }
+
+ return array($missing, $empty);
+ }
+
+ /**
+ * @access private
+ */
+ function _fixSQL()
+ {
+ $replacements = array(
+ array(
+ 'value' => $this->nonces_table_name,
+ 'keys' => array('nonce_table',
+ 'add_nonce',
+ 'clean_nonce')
+ ),
+ array(
+ 'value' => $this->associations_table_name,
+ 'keys' => array('assoc_table',
+ 'set_assoc',
+ 'get_assoc',
+ 'get_assocs',
+ 'remove_assoc',
+ 'clean_assoc')
+ )
+ );
+
+ foreach ($replacements as $item) {
+ $value = $item['value'];
+ $keys = $item['keys'];
+
+ foreach ($keys as $k) {
+ if (is_array($this->sql[$k])) {
+ foreach ($this->sql[$k] as $part_key => $part_value) {
+ $this->sql[$k][$part_key] = sprintf($part_value,
+ $value);
+ }
+ } else {
+ $this->sql[$k] = sprintf($this->sql[$k], $value);
+ }
+ }
+ }
+ }
+
+ function blobDecode($blob)
+ {
+ return $blob;
+ }
+
+ function blobEncode($str)
+ {
+ return $str;
+ }
+
+ function createTables()
+ {
+ $this->connection->autoCommit(true);
+ $n = $this->create_nonce_table();
+ $a = $this->create_assoc_table();
+ $this->connection->autoCommit(false);
+
+ if ($n && $a) {
+ return true;
+ } else {
+ return false;
+ }
+ }
+
+ function create_nonce_table()
+ {
+ if (!$this->tableExists($this->nonces_table_name)) {
+ $r = $this->connection->query($this->sql['nonce_table']);
+ return $this->resultToBool($r);
+ }
+ return true;
+ }
+
+ function create_assoc_table()
+ {
+ if (!$this->tableExists($this->associations_table_name)) {
+ $r = $this->connection->query($this->sql['assoc_table']);
+ return $this->resultToBool($r);
+ }
+ return true;
+ }
+
+ /**
+ * @access private
+ */
+ function _set_assoc($server_url, $handle, $secret, $issued,
+ $lifetime, $assoc_type)
+ {
+ return $this->connection->query($this->sql['set_assoc'],
+ array(
+ $server_url,
+ $handle,
+ $secret,
+ $issued,
+ $lifetime,
+ $assoc_type));
+ }
+
+ function storeAssociation($server_url, $association)
+ {
+ if ($this->resultToBool($this->_set_assoc(
+ $server_url,
+ $association->handle,
+ $this->blobEncode(
+ $association->secret),
+ $association->issued,
+ $association->lifetime,
+ $association->assoc_type
+ ))) {
+ $this->connection->commit();
+ } else {
+ $this->connection->rollback();
+ }
+ }
+
+ /**
+ * @access private
+ */
+ function _get_assoc($server_url, $handle)
+ {
+ $result = $this->connection->getRow($this->sql['get_assoc'],
+ array($server_url, $handle));
+ if ($this->isError($result)) {
+ return null;
+ } else {
+ return $result;
+ }
+ }
+
+ /**
+ * @access private
+ */
+ function _get_assocs($server_url)
+ {
+ $result = $this->connection->getAll($this->sql['get_assocs'],
+ array($server_url));
+
+ if ($this->isError($result)) {
+ return array();
+ } else {
+ return $result;
+ }
+ }
+
+ function removeAssociation($server_url, $handle)
+ {
+ if ($this->_get_assoc($server_url, $handle) == null) {
+ return false;
+ }
+
+ if ($this->resultToBool($this->connection->query(
+ $this->sql['remove_assoc'],
+ array($server_url, $handle)))) {
+ $this->connection->commit();
+ } else {
+ $this->connection->rollback();
+ }
+
+ return true;
+ }
+
+ function getAssociation($server_url, $handle = null)
+ {
+ if ($handle !== null) {
+ $assoc = $this->_get_assoc($server_url, $handle);
+
+ $assocs = array();
+ if ($assoc) {
+ $assocs[] = $assoc;
+ }
+ } else {
+ $assocs = $this->_get_assocs($server_url);
+ }
+
+ if (!$assocs || (count($assocs) == 0)) {
+ return null;
+ } else {
+ $associations = array();
+
+ foreach ($assocs as $assoc_row) {
+ $assoc = new Auth_OpenID_Association($assoc_row['handle'],
+ $assoc_row['secret'],
+ $assoc_row['issued'],
+ $assoc_row['lifetime'],
+ $assoc_row['assoc_type']);
+
+ $assoc->secret = $this->blobDecode($assoc->secret);
+
+ if ($assoc->getExpiresIn() == 0) {
+ $this->removeAssociation($server_url, $assoc->handle);
+ } else {
+ $associations[] = array($assoc->issued, $assoc);
+ }
+ }
+
+ if ($associations) {
+ $issued = array();
+ $assocs = array();
+ foreach ($associations as $key => $assoc) {
+ $issued[$key] = $assoc[0];
+ $assocs[$key] = $assoc[1];
+ }
+
+ array_multisort($issued, SORT_DESC, $assocs, SORT_DESC,
+ $associations);
+
+ // return the most recently issued one.
+ list($issued, $assoc) = $associations[0];
+ return $assoc;
+ } else {
+ return null;
+ }
+ }
+ }
+
+ /**
+ * @access private
+ */
+ function _add_nonce($server_url, $timestamp, $salt)
+ {
+ $sql = $this->sql['add_nonce'];
+ $result = $this->connection->query($sql, array($server_url,
+ $timestamp,
+ $salt));
+ if ($this->isError($result)) {
+ $this->connection->rollback();
+ } else {
+ $this->connection->commit();
+ }
+ return $this->resultToBool($result);
+ }
+
+ function useNonce($server_url, $timestamp, $salt)
+ {
+ global $Auth_OpenID_SKEW;
+
+ if ( abs($timestamp - time()) > $Auth_OpenID_SKEW ) {
+ return false;
+ }
+
+ return $this->_add_nonce($server_url, $timestamp, $salt);
+ }
+
+ /**
+ * "Octifies" a binary string by returning a string with escaped
+ * octal bytes. This is used for preparing binary data for
+ * PostgreSQL BYTEA fields.
+ *
+ * @access private
+ */
+ function _octify($str)
+ {
+ $result = "";
+ for ($i = 0; $i < Auth_OpenID::bytes($str); $i++) {
+ $ch = substr($str, $i, 1);
+ if ($ch == "\\") {
+ $result .= "\\\\\\\\";
+ } else if (ord($ch) == 0) {
+ $result .= "\\\\000";
+ } else {
+ $result .= "\\" . strval(decoct(ord($ch)));
+ }
+ }
+ return $result;
+ }
+
+ /**
+ * "Unoctifies" octal-escaped data from PostgreSQL and returns the
+ * resulting ASCII (possibly binary) string.
+ *
+ * @access private
+ */
+ function _unoctify($str)
+ {
+ $result = "";
+ $i = 0;
+ while ($i < strlen($str)) {
+ $char = $str[$i];
+ if ($char == "\\") {
+ // Look to see if the next char is a backslash and
+ // append it.
+ if ($str[$i + 1] != "\\") {
+ $octal_digits = substr($str, $i + 1, 3);
+ $dec = octdec($octal_digits);
+ $char = chr($dec);
+ $i += 4;
+ } else {
+ $char = "\\";
+ $i += 2;
+ }
+ } else {
+ $i += 1;
+ }
+
+ $result .= $char;
+ }
+
+ return $result;
+ }
+
+ function cleanupNonces()
+ {
+ global $Auth_OpenID_SKEW;
+ $v = time() - $Auth_OpenID_SKEW;
+
+ $this->connection->query($this->sql['clean_nonce'], array($v));
+ $num = $this->connection->affectedRows();
+ $this->connection->commit();
+ return $num;
+ }
+
+ function cleanupAssociations()
+ {
+ $this->connection->query($this->sql['clean_assoc'],
+ array(time()));
+ $num = $this->connection->affectedRows();
+ $this->connection->commit();
+ return $num;
+ }
+}
+
+
diff --git a/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/SQLiteStore.php b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/SQLiteStore.php
new file mode 100644
index 0000000..4558fa1
--- /dev/null
+++ b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/SQLiteStore.php
@@ -0,0 +1,70 @@
+<?php
+
+/**
+ * An SQLite store.
+ *
+ * @package OpenID
+ */
+
+/**
+ * Require the base class file.
+ */
+require_once "Auth/OpenID/SQLStore.php";
+
+/**
+ * An SQL store that uses SQLite as its backend.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_SQLiteStore extends Auth_OpenID_SQLStore {
+ function setSQL()
+ {
+ $this->sql['nonce_table'] =
+ "CREATE TABLE %s (server_url VARCHAR(2047), timestamp INTEGER, ".
+ "salt CHAR(40), UNIQUE (server_url, timestamp, salt))";
+
+ $this->sql['assoc_table'] =
+ "CREATE TABLE %s (server_url VARCHAR(2047), handle VARCHAR(255), ".
+ "secret BLOB(128), issued INTEGER, lifetime INTEGER, ".
+ "assoc_type VARCHAR(64), PRIMARY KEY (server_url, handle))";
+
+ $this->sql['set_assoc'] =
+ "INSERT OR REPLACE INTO %s VALUES (?, ?, ?, ?, ?, ?)";
+
+ $this->sql['get_assocs'] =
+ "SELECT handle, secret, issued, lifetime, assoc_type FROM %s ".
+ "WHERE server_url = ?";
+
+ $this->sql['get_assoc'] =
+ "SELECT handle, secret, issued, lifetime, assoc_type FROM %s ".
+ "WHERE server_url = ? AND handle = ?";
+
+ $this->sql['remove_assoc'] =
+ "DELETE FROM %s WHERE server_url = ? AND handle = ?";
+
+ $this->sql['add_nonce'] =
+ "INSERT INTO %s (server_url, timestamp, salt) VALUES (?, ?, ?)";
+
+ $this->sql['clean_nonce'] =
+ "DELETE FROM %s WHERE timestamp < ?";
+
+ $this->sql['clean_assoc'] =
+ "DELETE FROM %s WHERE issued + lifetime < ?";
+ }
+
+ /**
+ * @access private
+ */
+ function _add_nonce($server_url, $timestamp, $salt)
+ {
+ // PECL SQLite extensions 1.0.3 and older (1.0.3 is the
+ // current release at the time of this writing) have a broken
+ // sqlite_escape_string function that breaks when passed the
+ // empty string. Prefixing all strings with one character
+ // keeps them unique and avoids this bug. The nonce table is
+ // write-only, so we don't have to worry about updating other
+ // functions with this same bad hack.
+ return parent::_add_nonce('x' . $server_url, $timestamp, $salt);
+ }
+}
+
diff --git a/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/SReg.php b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/SReg.php
new file mode 100644
index 0000000..5ece707
--- /dev/null
+++ b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/SReg.php
@@ -0,0 +1,521 @@
+<?php
+
+/**
+ * Simple registration request and response parsing and object
+ * representation.
+ *
+ * This module contains objects representing simple registration
+ * requests and responses that can be used with both OpenID relying
+ * parties and OpenID providers.
+ *
+ * 1. The relying party creates a request object and adds it to the
+ * {@link Auth_OpenID_AuthRequest} object before making the
+ * checkid request to the OpenID provider:
+ *
+ * $sreg_req = Auth_OpenID_SRegRequest::build(array('email'));
+ * $auth_request->addExtension($sreg_req);
+ *
+ * 2. The OpenID provider extracts the simple registration request
+ * from the OpenID request using {@link
+ * Auth_OpenID_SRegRequest::fromOpenIDRequest}, gets the user's
+ * approval and data, creates an {@link Auth_OpenID_SRegResponse}
+ * object and adds it to the id_res response:
+ *
+ * $sreg_req = Auth_OpenID_SRegRequest::fromOpenIDRequest(
+ * $checkid_request);
+ * // [ get the user's approval and data, informing the user that
+ * // the fields in sreg_response were requested ]
+ * $sreg_resp = Auth_OpenID_SRegResponse::extractResponse(
+ * $sreg_req, $user_data);
+ * $sreg_resp->toMessage($openid_response->fields);
+ *
+ * 3. The relying party uses {@link
+ * Auth_OpenID_SRegResponse::fromSuccessResponse} to extract the data
+ * from the OpenID response:
+ *
+ * $sreg_resp = Auth_OpenID_SRegResponse::fromSuccessResponse(
+ * $success_response);
+ *
+ * @package OpenID
+ */
+
+/**
+ * Import message and extension internals.
+ */
+require_once 'Auth/OpenID/Message.php';
+require_once 'Auth/OpenID/Extension.php';
+
+// The data fields that are listed in the sreg spec
+global $Auth_OpenID_sreg_data_fields;
+$Auth_OpenID_sreg_data_fields = array(
+ 'fullname' => 'Full Name',
+ 'nickname' => 'Nickname',
+ 'dob' => 'Date of Birth',
+ 'email' => 'E-mail Address',
+ 'gender' => 'Gender',
+ 'postcode' => 'Postal Code',
+ 'country' => 'Country',
+ 'language' => 'Language',
+ 'timezone' => 'Time Zone');
+
+/**
+ * Check to see that the given value is a valid simple registration
+ * data field name. Return true if so, false if not.
+ */
+function Auth_OpenID_checkFieldName($field_name)
+{
+ global $Auth_OpenID_sreg_data_fields;
+
+ if (!in_array($field_name, array_keys($Auth_OpenID_sreg_data_fields))) {
+ return false;
+ }
+ return true;
+}
+
+// URI used in the wild for Yadis documents advertising simple
+// registration support
+define('Auth_OpenID_SREG_NS_URI_1_0', 'http://openid.net/sreg/1.0');
+
+// URI in the draft specification for simple registration 1.1
+// <http://openid.net/specs/openid-simple-registration-extension-1_1-01.html>
+define('Auth_OpenID_SREG_NS_URI_1_1', 'http://openid.net/extensions/sreg/1.1');
+
+// This attribute will always hold the preferred URI to use when
+// adding sreg support to an XRDS file or in an OpenID namespace
+// declaration.
+define('Auth_OpenID_SREG_NS_URI', Auth_OpenID_SREG_NS_URI_1_1);
+
+Auth_OpenID_registerNamespaceAlias(Auth_OpenID_SREG_NS_URI_1_1, 'sreg');
+
+/**
+ * Does the given endpoint advertise support for simple
+ * registration?
+ *
+ * $endpoint: The endpoint object as returned by OpenID discovery.
+ * returns whether an sreg type was advertised by the endpoint
+ */
+function Auth_OpenID_supportsSReg($endpoint)
+{
+ return ($endpoint->usesExtension(Auth_OpenID_SREG_NS_URI_1_1) ||
+ $endpoint->usesExtension(Auth_OpenID_SREG_NS_URI_1_0));
+}
+
+/**
+ * A base class for classes dealing with Simple Registration protocol
+ * messages.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_SRegBase extends Auth_OpenID_Extension {
+ /**
+ * Extract the simple registration namespace URI from the given
+ * OpenID message. Handles OpenID 1 and 2, as well as both sreg
+ * namespace URIs found in the wild, as well as missing namespace
+ * definitions (for OpenID 1)
+ *
+ * $message: The OpenID message from which to parse simple
+ * registration fields. This may be a request or response message.
+ *
+ * Returns the sreg namespace URI for the supplied message. The
+ * message may be modified to define a simple registration
+ * namespace.
+ *
+ * @access private
+ */
+ static function _getSRegNS($message)
+ {
+ $alias = null;
+ $found_ns_uri = null;
+
+ // See if there exists an alias for one of the two defined
+ // simple registration types.
+ foreach (array(Auth_OpenID_SREG_NS_URI_1_1,
+ Auth_OpenID_SREG_NS_URI_1_0) as $sreg_ns_uri) {
+ $alias = $message->namespaces->getAlias($sreg_ns_uri);
+ if ($alias !== null) {
+ $found_ns_uri = $sreg_ns_uri;
+ break;
+ }
+ }
+
+ if ($alias === null) {
+ // There is no alias for either of the types, so try to
+ // add one. We default to using the modern value (1.1)
+ $found_ns_uri = Auth_OpenID_SREG_NS_URI_1_1;
+ if ($message->namespaces->addAlias(Auth_OpenID_SREG_NS_URI_1_1,
+ 'sreg') === null) {
+ // An alias for the string 'sreg' already exists, but
+ // it's defined for something other than simple
+ // registration
+ return null;
+ }
+ }
+
+ return $found_ns_uri;
+ }
+}
+
+/**
+ * An object to hold the state of a simple registration request.
+ *
+ * required: A list of the required fields in this simple registration
+ * request
+ *
+ * optional: A list of the optional fields in this simple registration
+ * request
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_SRegRequest extends Auth_OpenID_SRegBase {
+
+ var $ns_alias = 'sreg';
+
+ /**
+ * Initialize an empty simple registration request.
+ */
+ static function build($required=null, $optional=null,
+ $policy_url=null,
+ $sreg_ns_uri=Auth_OpenID_SREG_NS_URI,
+ $cls='Auth_OpenID_SRegRequest')
+ {
+ $obj = new $cls();
+
+ $obj->required = array();
+ $obj->optional = array();
+ $obj->policy_url = $policy_url;
+ $obj->ns_uri = $sreg_ns_uri;
+
+ if ($required) {
+ if (!$obj->requestFields($required, true, true)) {
+ return null;
+ }
+ }
+
+ if ($optional) {
+ if (!$obj->requestFields($optional, false, true)) {
+ return null;
+ }
+ }
+
+ return $obj;
+ }
+
+ /**
+ * Create a simple registration request that contains the fields
+ * that were requested in the OpenID request with the given
+ * arguments
+ *
+ * $request: The OpenID authentication request from which to
+ * extract an sreg request.
+ *
+ * $cls: name of class to use when creating sreg request object.
+ * Used for testing.
+ *
+ * Returns the newly created simple registration request
+ */
+ static function fromOpenIDRequest($request, $cls='Auth_OpenID_SRegRequest')
+ {
+
+ $obj = call_user_func_array(array($cls, 'build'),
+ array(null, null, null, Auth_OpenID_SREG_NS_URI, $cls));
+
+ // Since we're going to mess with namespace URI mapping, don't
+ // mutate the object that was passed in.
+ $m = $request->message;
+
+ $obj->ns_uri = $obj->_getSRegNS($m);
+ $args = $m->getArgs($obj->ns_uri);
+
+ if ($args === null || Auth_OpenID::isFailure($args)) {
+ return null;
+ }
+
+ $obj->parseExtensionArgs($args);
+
+ return $obj;
+ }
+
+ /**
+ * Parse the unqualified simple registration request parameters
+ * and add them to this object.
+ *
+ * This method is essentially the inverse of
+ * getExtensionArgs. This method restores the serialized simple
+ * registration request fields.
+ *
+ * If you are extracting arguments from a standard OpenID
+ * checkid_* request, you probably want to use fromOpenIDRequest,
+ * which will extract the sreg namespace and arguments from the
+ * OpenID request. This method is intended for cases where the
+ * OpenID server needs more control over how the arguments are
+ * parsed than that method provides.
+ *
+ * $args == $message->getArgs($ns_uri);
+ * $request->parseExtensionArgs($args);
+ *
+ * $args: The unqualified simple registration arguments
+ *
+ * strict: Whether requests with fields that are not defined in
+ * the simple registration specification should be tolerated (and
+ * ignored)
+ */
+ function parseExtensionArgs($args, $strict=false)
+ {
+ foreach (array('required', 'optional') as $list_name) {
+ $required = ($list_name == 'required');
+ $items = Auth_OpenID::arrayGet($args, $list_name);
+ if ($items) {
+ foreach (explode(',', $items) as $field_name) {
+ if (!$this->requestField($field_name, $required, $strict)) {
+ if ($strict) {
+ return false;
+ }
+ }
+ }
+ }
+ }
+
+ $this->policy_url = Auth_OpenID::arrayGet($args, 'policy_url');
+
+ return true;
+ }
+
+ /**
+ * A list of all of the simple registration fields that were
+ * requested, whether they were required or optional.
+ */
+ function allRequestedFields()
+ {
+ return array_merge($this->required, $this->optional);
+ }
+
+ /**
+ * Have any simple registration fields been requested?
+ */
+ function wereFieldsRequested()
+ {
+ return count($this->allRequestedFields());
+ }
+
+ /**
+ * Was this field in the request?
+ */
+ function contains($field_name)
+ {
+ return (in_array($field_name, $this->required) ||
+ in_array($field_name, $this->optional));
+ }
+
+ /**
+ * Request the specified field from the OpenID user
+ *
+ * $field_name: the unqualified simple registration field name
+ *
+ * required: whether the given field should be presented to the
+ * user as being a required to successfully complete the request
+ *
+ * strict: whether to raise an exception when a field is added to
+ * a request more than once
+ */
+ function requestField($field_name,
+ $required=false, $strict=false)
+ {
+ if (!Auth_OpenID_checkFieldName($field_name)) {
+ return false;
+ }
+
+ if ($strict) {
+ if ($this->contains($field_name)) {
+ return false;
+ }
+ } else {
+ if (in_array($field_name, $this->required)) {
+ return true;
+ }
+
+ if (in_array($field_name, $this->optional)) {
+ if ($required) {
+ unset($this->optional[array_search($field_name,
+ $this->optional)]);
+ } else {
+ return true;
+ }
+ }
+ }
+
+ if ($required) {
+ $this->required[] = $field_name;
+ } else {
+ $this->optional[] = $field_name;
+ }
+
+ return true;
+ }
+
+ /**
+ * Add the given list of fields to the request
+ *
+ * field_names: The simple registration data fields to request
+ *
+ * required: Whether these values should be presented to the user
+ * as required
+ *
+ * strict: whether to raise an exception when a field is added to
+ * a request more than once
+ */
+ function requestFields($field_names, $required=false, $strict=false)
+ {
+ if (!is_array($field_names)) {
+ return false;
+ }
+
+ foreach ($field_names as $field_name) {
+ if (!$this->requestField($field_name, $required, $strict=$strict)) {
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+ /**
+ * Get a dictionary of unqualified simple registration arguments
+ * representing this request.
+ *
+ * This method is essentially the inverse of
+ * C{L{parseExtensionArgs}}. This method serializes the simple
+ * registration request fields.
+ */
+ function getExtensionArgs()
+ {
+ $args = array();
+
+ if ($this->required) {
+ $args['required'] = implode(',', $this->required);
+ }
+
+ if ($this->optional) {
+ $args['optional'] = implode(',', $this->optional);
+ }
+
+ if ($this->policy_url) {
+ $args['policy_url'] = $this->policy_url;
+ }
+
+ return $args;
+ }
+}
+
+/**
+ * Represents the data returned in a simple registration response
+ * inside of an OpenID C{id_res} response. This object will be created
+ * by the OpenID server, added to the C{id_res} response object, and
+ * then extracted from the C{id_res} message by the Consumer.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_SRegResponse extends Auth_OpenID_SRegBase {
+
+ var $ns_alias = 'sreg';
+
+ function Auth_OpenID_SRegResponse($data=null,
+ $sreg_ns_uri=Auth_OpenID_SREG_NS_URI)
+ {
+ if ($data === null) {
+ $this->data = array();
+ } else {
+ $this->data = $data;
+ }
+
+ $this->ns_uri = $sreg_ns_uri;
+ }
+
+ /**
+ * Take a C{L{SRegRequest}} and a dictionary of simple
+ * registration values and create a C{L{SRegResponse}} object
+ * containing that data.
+ *
+ * request: The simple registration request object
+ *
+ * data: The simple registration data for this response, as a
+ * dictionary from unqualified simple registration field name to
+ * string (unicode) value. For instance, the nickname should be
+ * stored under the key 'nickname'.
+ */
+ static function extractResponse($request, $data)
+ {
+ $obj = new Auth_OpenID_SRegResponse();
+ $obj->ns_uri = $request->ns_uri;
+
+ foreach ($request->allRequestedFields() as $field) {
+ $value = Auth_OpenID::arrayGet($data, $field);
+ if ($value !== null) {
+ $obj->data[$field] = $value;
+ }
+ }
+
+ return $obj;
+ }
+
+ /**
+ * Create a C{L{SRegResponse}} object from a successful OpenID
+ * library response
+ * (C{L{openid.consumer.consumer.SuccessResponse}}) response
+ * message
+ *
+ * success_response: A SuccessResponse from consumer.complete()
+ *
+ * signed_only: Whether to process only data that was
+ * signed in the id_res message from the server.
+ *
+ * Returns a simple registration response containing the data that
+ * was supplied with the C{id_res} response.
+ */
+ static function fromSuccessResponse($success_response, $signed_only=true)
+ {
+ global $Auth_OpenID_sreg_data_fields;
+
+ $obj = new Auth_OpenID_SRegResponse();
+ $obj->ns_uri = $obj->_getSRegNS($success_response->message);
+
+ if ($signed_only) {
+ $args = $success_response->getSignedNS($obj->ns_uri);
+ } else {
+ $args = $success_response->message->getArgs($obj->ns_uri);
+ }
+
+ if ($args === null || Auth_OpenID::isFailure($args)) {
+ return null;
+ }
+
+ foreach ($Auth_OpenID_sreg_data_fields as $field_name => $desc) {
+ if (in_array($field_name, array_keys($args))) {
+ $obj->data[$field_name] = $args[$field_name];
+ }
+ }
+
+ return $obj;
+ }
+
+ function getExtensionArgs()
+ {
+ return $this->data;
+ }
+
+ // Read-only dictionary interface
+ function get($field_name, $default=null)
+ {
+ if (!Auth_OpenID_checkFieldName($field_name)) {
+ return null;
+ }
+
+ return Auth_OpenID::arrayGet($this->data, $field_name, $default);
+ }
+
+ function contents()
+ {
+ return $this->data;
+ }
+}
+
+
diff --git a/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/Server.php b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/Server.php
new file mode 100644
index 0000000..9887d1e
--- /dev/null
+++ b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/Server.php
@@ -0,0 +1,1765 @@
+<?php
+
+/**
+ * OpenID server protocol and logic.
+ *
+ * Overview
+ *
+ * An OpenID server must perform three tasks:
+ *
+ * 1. Examine the incoming request to determine its nature and validity.
+ * 2. Make a decision about how to respond to this request.
+ * 3. Format the response according to the protocol.
+ *
+ * The first and last of these tasks may performed by the {@link
+ * Auth_OpenID_Server::decodeRequest()} and {@link
+ * Auth_OpenID_Server::encodeResponse} methods. Who gets to do the
+ * intermediate task -- deciding how to respond to the request -- will
+ * depend on what type of request it is.
+ *
+ * If it's a request to authenticate a user (a 'checkid_setup' or
+ * 'checkid_immediate' request), you need to decide if you will assert
+ * that this user may claim the identity in question. Exactly how you
+ * do that is a matter of application policy, but it generally
+ * involves making sure the user has an account with your system and
+ * is logged in, checking to see if that identity is hers to claim,
+ * and verifying with the user that she does consent to releasing that
+ * information to the party making the request.
+ *
+ * Examine the properties of the {@link Auth_OpenID_CheckIDRequest}
+ * object, and if and when you've come to a decision, form a response
+ * by calling {@link Auth_OpenID_CheckIDRequest::answer()}.
+ *
+ * Other types of requests relate to establishing associations between
+ * client and server and verifing the authenticity of previous
+ * communications. {@link Auth_OpenID_Server} contains all the logic
+ * and data necessary to respond to such requests; just pass it to
+ * {@link Auth_OpenID_Server::handleRequest()}.
+ *
+ * OpenID Extensions
+ *
+ * Do you want to provide other information for your users in addition
+ * to authentication? Version 1.2 of the OpenID protocol allows
+ * consumers to add extensions to their requests. For example, with
+ * sites using the Simple Registration
+ * Extension
+ * (http://openid.net/specs/openid-simple-registration-extension-1_0.html),
+ * a user can agree to have their nickname and e-mail address sent to
+ * a site when they sign up.
+ *
+ * Since extensions do not change the way OpenID authentication works,
+ * code to handle extension requests may be completely separate from
+ * the {@link Auth_OpenID_Request} class here. But you'll likely want
+ * data sent back by your extension to be signed. {@link
+ * Auth_OpenID_ServerResponse} provides methods with which you can add
+ * data to it which can be signed with the other data in the OpenID
+ * signature.
+ *
+ * For example:
+ *
+ * <pre> // when request is a checkid_* request
+ * $response = $request->answer(true);
+ * // this will a signed 'openid.sreg.timezone' parameter to the response
+ * response.addField('sreg', 'timezone', 'America/Los_Angeles')</pre>
+ *
+ * Stores
+ *
+ * The OpenID server needs to maintain state between requests in order
+ * to function. Its mechanism for doing this is called a store. The
+ * store interface is defined in Interface.php. Additionally, several
+ * concrete store implementations are provided, so that most sites
+ * won't need to implement a custom store. For a store backed by flat
+ * files on disk, see {@link Auth_OpenID_FileStore}. For stores based
+ * on MySQL, SQLite, or PostgreSQL, see the {@link
+ * Auth_OpenID_SQLStore} subclasses.
+ *
+ * Upgrading
+ *
+ * The keys by which a server looks up associations in its store have
+ * changed in version 1.2 of this library. If your store has entries
+ * created from version 1.0 code, you should empty it.
+ *
+ * PHP versions 4 and 5
+ *
+ * LICENSE: See the COPYING file included in this distribution.
+ *
+ * @package OpenID
+ * @author JanRain, Inc. <openid@janrain.com>
+ * @copyright 2005-2008 Janrain, Inc.
+ * @license http://www.apache.org/licenses/LICENSE-2.0 Apache
+ */
+
+/**
+ * Required imports
+ */
+require_once "Auth/OpenID.php";
+require_once "Auth/OpenID/Association.php";
+require_once "Auth/OpenID/CryptUtil.php";
+require_once "Auth/OpenID/BigMath.php";
+require_once "Auth/OpenID/DiffieHellman.php";
+require_once "Auth/OpenID/KVForm.php";
+require_once "Auth/OpenID/TrustRoot.php";
+require_once "Auth/OpenID/ServerRequest.php";
+require_once "Auth/OpenID/Message.php";
+require_once "Auth/OpenID/Nonce.php";
+
+define('AUTH_OPENID_HTTP_OK', 200);
+define('AUTH_OPENID_HTTP_REDIRECT', 302);
+define('AUTH_OPENID_HTTP_ERROR', 400);
+
+/**
+ * @access private
+ */
+global $_Auth_OpenID_Request_Modes;
+$_Auth_OpenID_Request_Modes = array('checkid_setup',
+ 'checkid_immediate');
+
+/**
+ * @access private
+ */
+define('Auth_OpenID_ENCODE_KVFORM', 'kfvorm');
+
+/**
+ * @access private
+ */
+define('Auth_OpenID_ENCODE_URL', 'URL/redirect');
+
+/**
+ * @access private
+ */
+define('Auth_OpenID_ENCODE_HTML_FORM', 'HTML form');
+
+/**
+ * @access private
+ */
+function Auth_OpenID_isError($obj, $cls = 'Auth_OpenID_ServerError')
+{
+ return is_a($obj, $cls);
+}
+
+/**
+ * An error class which gets instantiated and returned whenever an
+ * OpenID protocol error occurs. Be prepared to use this in place of
+ * an ordinary server response.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_ServerError {
+ /**
+ * @access private
+ */
+ function Auth_OpenID_ServerError($message = null, $text = null,
+ $reference = null, $contact = null)
+ {
+ $this->message = $message;
+ $this->text = $text;
+ $this->contact = $contact;
+ $this->reference = $reference;
+ }
+
+ function getReturnTo()
+ {
+ if ($this->message &&
+ $this->message->hasKey(Auth_OpenID_OPENID_NS, 'return_to')) {
+ return $this->message->getArg(Auth_OpenID_OPENID_NS,
+ 'return_to');
+ } else {
+ return null;
+ }
+ }
+
+ /**
+ * Returns the return_to URL for the request which caused this
+ * error.
+ */
+ function hasReturnTo()
+ {
+ return $this->getReturnTo() !== null;
+ }
+
+ /**
+ * Encodes this error's response as a URL suitable for
+ * redirection. If the response has no return_to, another
+ * Auth_OpenID_ServerError is returned.
+ */
+ function encodeToURL()
+ {
+ if (!$this->message) {
+ return null;
+ }
+
+ $msg = $this->toMessage();
+ return $msg->toURL($this->getReturnTo());
+ }
+
+ /**
+ * Encodes the response to key-value form. This is a
+ * machine-readable format used to respond to messages which came
+ * directly from the consumer and not through the user-agent. See
+ * the OpenID specification.
+ */
+ function encodeToKVForm()
+ {
+ return Auth_OpenID_KVForm::fromArray(
+ array('mode' => 'error',
+ 'error' => $this->toString()));
+ }
+
+ function toFormMarkup($form_tag_attrs=null)
+ {
+ $msg = $this->toMessage();
+ return $msg->toFormMarkup($this->getReturnTo(), $form_tag_attrs);
+ }
+
+ function toHTML($form_tag_attrs=null)
+ {
+ return Auth_OpenID::autoSubmitHTML(
+ $this->toFormMarkup($form_tag_attrs));
+ }
+
+ function toMessage()
+ {
+ // Generate a Message object for sending to the relying party,
+ // after encoding.
+ $namespace = $this->message->getOpenIDNamespace();
+ $reply = new Auth_OpenID_Message($namespace);
+ $reply->setArg(Auth_OpenID_OPENID_NS, 'mode', 'error');
+ $reply->setArg(Auth_OpenID_OPENID_NS, 'error', $this->toString());
+
+ if ($this->contact !== null) {
+ $reply->setArg(Auth_OpenID_OPENID_NS, 'contact', $this->contact);
+ }
+
+ if ($this->reference !== null) {
+ $reply->setArg(Auth_OpenID_OPENID_NS, 'reference',
+ $this->reference);
+ }
+
+ return $reply;
+ }
+
+ /**
+ * Returns one of Auth_OpenID_ENCODE_URL,
+ * Auth_OpenID_ENCODE_KVFORM, or null, depending on the type of
+ * encoding expected for this error's payload.
+ */
+ function whichEncoding()
+ {
+ global $_Auth_OpenID_Request_Modes;
+
+ if ($this->hasReturnTo()) {
+ if ($this->message->isOpenID2() &&
+ (strlen($this->encodeToURL()) >
+ Auth_OpenID_OPENID1_URL_LIMIT)) {
+ return Auth_OpenID_ENCODE_HTML_FORM;
+ } else {
+ return Auth_OpenID_ENCODE_URL;
+ }
+ }
+
+ if (!$this->message) {
+ return null;
+ }
+
+ $mode = $this->message->getArg(Auth_OpenID_OPENID_NS,
+ 'mode');
+
+ if ($mode) {
+ if (!in_array($mode, $_Auth_OpenID_Request_Modes)) {
+ return Auth_OpenID_ENCODE_KVFORM;
+ }
+ }
+ return null;
+ }
+
+ /**
+ * Returns this error message.
+ */
+ function toString()
+ {
+ if ($this->text) {
+ return $this->text;
+ } else {
+ return get_class($this) . " error";
+ }
+ }
+}
+
+/**
+ * Error returned by the server code when a return_to is absent from a
+ * request.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_NoReturnToError extends Auth_OpenID_ServerError {
+ function Auth_OpenID_NoReturnToError($message = null,
+ $text = "No return_to URL available")
+ {
+ parent::Auth_OpenID_ServerError($message, $text);
+ }
+
+ function toString()
+ {
+ return "No return_to available";
+ }
+}
+
+/**
+ * An error indicating that the return_to URL is malformed.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_MalformedReturnURL extends Auth_OpenID_ServerError {
+ function Auth_OpenID_MalformedReturnURL($message, $return_to)
+ {
+ $this->return_to = $return_to;
+ parent::Auth_OpenID_ServerError($message, "malformed return_to URL");
+ }
+}
+
+/**
+ * This error is returned when the trust_root value is malformed.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_MalformedTrustRoot extends Auth_OpenID_ServerError {
+ function Auth_OpenID_MalformedTrustRoot($message = null,
+ $text = "Malformed trust root")
+ {
+ parent::Auth_OpenID_ServerError($message, $text);
+ }
+
+ function toString()
+ {
+ return "Malformed trust root";
+ }
+}
+
+/**
+ * The base class for all server request classes.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_Request {
+ var $mode = null;
+}
+
+/**
+ * A request to verify the validity of a previous response.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_CheckAuthRequest extends Auth_OpenID_Request {
+ var $mode = "check_authentication";
+ var $invalidate_handle = null;
+
+ function Auth_OpenID_CheckAuthRequest($assoc_handle, $signed,
+ $invalidate_handle = null)
+ {
+ $this->assoc_handle = $assoc_handle;
+ $this->signed = $signed;
+ if ($invalidate_handle !== null) {
+ $this->invalidate_handle = $invalidate_handle;
+ }
+ $this->namespace = Auth_OpenID_OPENID2_NS;
+ $this->message = null;
+ }
+
+ static function fromMessage($message, $server=null)
+ {
+ $required_keys = array('assoc_handle', 'sig', 'signed');
+
+ foreach ($required_keys as $k) {
+ if (!$message->getArg(Auth_OpenID_OPENID_NS, $k)) {
+ return new Auth_OpenID_ServerError($message,
+ sprintf("%s request missing required parameter %s from \
+ query", "check_authentication", $k));
+ }
+ }
+
+ $assoc_handle = $message->getArg(Auth_OpenID_OPENID_NS, 'assoc_handle');
+ $sig = $message->getArg(Auth_OpenID_OPENID_NS, 'sig');
+
+ $signed_list = $message->getArg(Auth_OpenID_OPENID_NS, 'signed');
+ $signed_list = explode(",", $signed_list);
+
+ $signed = $message;
+ if ($signed->hasKey(Auth_OpenID_OPENID_NS, 'mode')) {
+ $signed->setArg(Auth_OpenID_OPENID_NS, 'mode', 'id_res');
+ }
+
+ $result = new Auth_OpenID_CheckAuthRequest($assoc_handle, $signed);
+ $result->message = $message;
+ $result->sig = $sig;
+ $result->invalidate_handle = $message->getArg(Auth_OpenID_OPENID_NS,
+ 'invalidate_handle');
+ return $result;
+ }
+
+ function answer($signatory)
+ {
+ $is_valid = $signatory->verify($this->assoc_handle, $this->signed);
+
+ // Now invalidate that assoc_handle so it this checkAuth
+ // message cannot be replayed.
+ $signatory->invalidate($this->assoc_handle, true);
+ $response = new Auth_OpenID_ServerResponse($this);
+
+ $response->fields->setArg(Auth_OpenID_OPENID_NS,
+ 'is_valid',
+ ($is_valid ? "true" : "false"));
+
+ if ($this->invalidate_handle) {
+ $assoc = $signatory->getAssociation($this->invalidate_handle,
+ false);
+ if (!$assoc) {
+ $response->fields->setArg(Auth_OpenID_OPENID_NS,
+ 'invalidate_handle',
+ $this->invalidate_handle);
+ }
+ }
+ return $response;
+ }
+}
+
+/**
+ * A class implementing plaintext server sessions.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_PlainTextServerSession {
+ /**
+ * An object that knows how to handle association requests with no
+ * session type.
+ */
+ var $session_type = 'no-encryption';
+ var $needs_math = false;
+ var $allowed_assoc_types = array('HMAC-SHA1', 'HMAC-SHA256');
+
+ static function fromMessage($unused_request)
+ {
+ return new Auth_OpenID_PlainTextServerSession();
+ }
+
+ function answer($secret)
+ {
+ return array('mac_key' => base64_encode($secret));
+ }
+}
+
+/**
+ * A class implementing DH-SHA1 server sessions.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_DiffieHellmanSHA1ServerSession {
+ /**
+ * An object that knows how to handle association requests with
+ * the Diffie-Hellman session type.
+ */
+
+ var $session_type = 'DH-SHA1';
+ var $needs_math = true;
+ var $allowed_assoc_types = array('HMAC-SHA1');
+ var $hash_func = 'Auth_OpenID_SHA1';
+
+ function Auth_OpenID_DiffieHellmanSHA1ServerSession($dh, $consumer_pubkey)
+ {
+ $this->dh = $dh;
+ $this->consumer_pubkey = $consumer_pubkey;
+ }
+
+ static function getDH($message)
+ {
+ $dh_modulus = $message->getArg(Auth_OpenID_OPENID_NS, 'dh_modulus');
+ $dh_gen = $message->getArg(Auth_OpenID_OPENID_NS, 'dh_gen');
+
+ if ((($dh_modulus === null) && ($dh_gen !== null)) ||
+ (($dh_gen === null) && ($dh_modulus !== null))) {
+
+ if ($dh_modulus === null) {
+ $missing = 'modulus';
+ } else {
+ $missing = 'generator';
+ }
+
+ return new Auth_OpenID_ServerError($message,
+ 'If non-default modulus or generator is '.
+ 'supplied, both must be supplied. Missing '.
+ $missing);
+ }
+
+ $lib = Auth_OpenID_getMathLib();
+
+ if ($dh_modulus || $dh_gen) {
+ $dh_modulus = $lib->base64ToLong($dh_modulus);
+ $dh_gen = $lib->base64ToLong($dh_gen);
+ if ($lib->cmp($dh_modulus, 0) == 0 ||
+ $lib->cmp($dh_gen, 0) == 0) {
+ return new Auth_OpenID_ServerError(
+ $message, "Failed to parse dh_mod or dh_gen");
+ }
+ $dh = new Auth_OpenID_DiffieHellman($dh_modulus, $dh_gen);
+ } else {
+ $dh = new Auth_OpenID_DiffieHellman();
+ }
+
+ $consumer_pubkey = $message->getArg(Auth_OpenID_OPENID_NS,
+ 'dh_consumer_public');
+ if ($consumer_pubkey === null) {
+ return new Auth_OpenID_ServerError($message,
+ 'Public key for DH-SHA1 session '.
+ 'not found in query');
+ }
+
+ $consumer_pubkey =
+ $lib->base64ToLong($consumer_pubkey);
+
+ if ($consumer_pubkey === false) {
+ return new Auth_OpenID_ServerError($message,
+ "dh_consumer_public is not base64");
+ }
+
+ return array($dh, $consumer_pubkey);
+ }
+
+ static function fromMessage($message)
+ {
+ $result = Auth_OpenID_DiffieHellmanSHA1ServerSession::getDH($message);
+
+ if (is_a($result, 'Auth_OpenID_ServerError')) {
+ return $result;
+ } else {
+ list($dh, $consumer_pubkey) = $result;
+ return new Auth_OpenID_DiffieHellmanSHA1ServerSession($dh,
+ $consumer_pubkey);
+ }
+ }
+
+ function answer($secret)
+ {
+ $lib = Auth_OpenID_getMathLib();
+ $mac_key = $this->dh->xorSecret($this->consumer_pubkey, $secret,
+ $this->hash_func);
+ return array(
+ 'dh_server_public' =>
+ $lib->longToBase64($this->dh->public),
+ 'enc_mac_key' => base64_encode($mac_key));
+ }
+}
+
+/**
+ * A class implementing DH-SHA256 server sessions.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_DiffieHellmanSHA256ServerSession
+ extends Auth_OpenID_DiffieHellmanSHA1ServerSession {
+
+ var $session_type = 'DH-SHA256';
+ var $hash_func = 'Auth_OpenID_SHA256';
+ var $allowed_assoc_types = array('HMAC-SHA256');
+
+ static function fromMessage($message)
+ {
+ $result = Auth_OpenID_DiffieHellmanSHA1ServerSession::getDH($message);
+
+ if (is_a($result, 'Auth_OpenID_ServerError')) {
+ return $result;
+ } else {
+ list($dh, $consumer_pubkey) = $result;
+ return new Auth_OpenID_DiffieHellmanSHA256ServerSession($dh,
+ $consumer_pubkey);
+ }
+ }
+}
+
+/**
+ * A request to associate with the server.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_AssociateRequest extends Auth_OpenID_Request {
+ var $mode = "associate";
+
+ static function getSessionClasses()
+ {
+ return array(
+ 'no-encryption' => 'Auth_OpenID_PlainTextServerSession',
+ 'DH-SHA1' => 'Auth_OpenID_DiffieHellmanSHA1ServerSession',
+ 'DH-SHA256' => 'Auth_OpenID_DiffieHellmanSHA256ServerSession');
+ }
+
+ function Auth_OpenID_AssociateRequest($session, $assoc_type)
+ {
+ $this->session = $session;
+ $this->namespace = Auth_OpenID_OPENID2_NS;
+ $this->assoc_type = $assoc_type;
+ }
+
+ static function fromMessage($message, $server=null)
+ {
+ if ($message->isOpenID1()) {
+ $session_type = $message->getArg(Auth_OpenID_OPENID_NS,
+ 'session_type');
+
+ if ($session_type == 'no-encryption') {
+ // oidutil.log('Received OpenID 1 request with a no-encryption '
+ // 'assocaition session type. Continuing anyway.')
+ } else if (!$session_type) {
+ $session_type = 'no-encryption';
+ }
+ } else {
+ $session_type = $message->getArg(Auth_OpenID_OPENID_NS,
+ 'session_type');
+ if ($session_type === null) {
+ return new Auth_OpenID_ServerError($message,
+ "session_type missing from request");
+ }
+ }
+
+ $session_class = Auth_OpenID::arrayGet(
+ Auth_OpenID_AssociateRequest::getSessionClasses(),
+ $session_type);
+
+ if ($session_class === null) {
+ return new Auth_OpenID_ServerError($message,
+ "Unknown session type " .
+ $session_type);
+ }
+
+ $session = call_user_func(array($session_class, 'fromMessage'),
+ $message);
+ if (is_a($session, 'Auth_OpenID_ServerError')) {
+ return $session;
+ }
+
+ $assoc_type = $message->getArg(Auth_OpenID_OPENID_NS,
+ 'assoc_type', 'HMAC-SHA1');
+
+ if (!in_array($assoc_type, $session->allowed_assoc_types)) {
+ $fmt = "Session type %s does not support association type %s";
+ return new Auth_OpenID_ServerError($message,
+ sprintf($fmt, $session_type, $assoc_type));
+ }
+
+ $obj = new Auth_OpenID_AssociateRequest($session, $assoc_type);
+ $obj->message = $message;
+ $obj->namespace = $message->getOpenIDNamespace();
+ return $obj;
+ }
+
+ function answer($assoc)
+ {
+ $response = new Auth_OpenID_ServerResponse($this);
+ $response->fields->updateArgs(Auth_OpenID_OPENID_NS,
+ array(
+ 'expires_in' => sprintf('%d', $assoc->getExpiresIn()),
+ 'assoc_type' => $this->assoc_type,
+ 'assoc_handle' => $assoc->handle));
+
+ $response->fields->updateArgs(Auth_OpenID_OPENID_NS,
+ $this->session->answer($assoc->secret));
+
+ if (! ($this->session->session_type == 'no-encryption'
+ && $this->message->isOpenID1())) {
+ $response->fields->setArg(Auth_OpenID_OPENID_NS,
+ 'session_type',
+ $this->session->session_type);
+ }
+
+ return $response;
+ }
+
+ function answerUnsupported($text_message,
+ $preferred_association_type=null,
+ $preferred_session_type=null)
+ {
+ if ($this->message->isOpenID1()) {
+ return new Auth_OpenID_ServerError($this->message);
+ }
+
+ $response = new Auth_OpenID_ServerResponse($this);
+ $response->fields->setArg(Auth_OpenID_OPENID_NS,
+ 'error_code', 'unsupported-type');
+ $response->fields->setArg(Auth_OpenID_OPENID_NS,
+ 'error', $text_message);
+
+ if ($preferred_association_type) {
+ $response->fields->setArg(Auth_OpenID_OPENID_NS,
+ 'assoc_type',
+ $preferred_association_type);
+ }
+
+ if ($preferred_session_type) {
+ $response->fields->setArg(Auth_OpenID_OPENID_NS,
+ 'session_type',
+ $preferred_session_type);
+ }
+ $response->code = AUTH_OPENID_HTTP_ERROR;
+ return $response;
+ }
+}
+
+/**
+ * A request to confirm the identity of a user.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_CheckIDRequest extends Auth_OpenID_Request {
+ /**
+ * Return-to verification callback. Default is
+ * Auth_OpenID_verifyReturnTo from TrustRoot.php.
+ */
+ var $verifyReturnTo = 'Auth_OpenID_verifyReturnTo';
+
+ /**
+ * The mode of this request.
+ */
+ var $mode = "checkid_setup"; // or "checkid_immediate"
+
+ /**
+ * Whether this request is for immediate mode.
+ */
+ var $immediate = false;
+
+ /**
+ * The trust_root value for this request.
+ */
+ var $trust_root = null;
+
+ /**
+ * The OpenID namespace for this request.
+ * deprecated since version 2.0.2
+ */
+ var $namespace;
+
+ static function make($message, $identity, $return_to, $trust_root = null,
+ $immediate = false, $assoc_handle = null, $server = null)
+ {
+ if ($server === null) {
+ return new Auth_OpenID_ServerError($message,
+ "server must not be null");
+ }
+
+ if ($return_to &&
+ !Auth_OpenID_TrustRoot::_parse($return_to)) {
+ return new Auth_OpenID_MalformedReturnURL($message, $return_to);
+ }
+
+ $r = new Auth_OpenID_CheckIDRequest($identity, $return_to,
+ $trust_root, $immediate,
+ $assoc_handle, $server);
+
+ $r->namespace = $message->getOpenIDNamespace();
+ $r->message = $message;
+
+ if (!$r->trustRootValid()) {
+ return new Auth_OpenID_UntrustedReturnURL($message,
+ $return_to,
+ $trust_root);
+ } else {
+ return $r;
+ }
+ }
+
+ function Auth_OpenID_CheckIDRequest($identity, $return_to,
+ $trust_root = null, $immediate = false,
+ $assoc_handle = null, $server = null,
+ $claimed_id = null)
+ {
+ $this->namespace = Auth_OpenID_OPENID2_NS;
+ $this->assoc_handle = $assoc_handle;
+ $this->identity = $identity;
+ if ($claimed_id === null) {
+ $this->claimed_id = $identity;
+ } else {
+ $this->claimed_id = $claimed_id;
+ }
+ $this->return_to = $return_to;
+ $this->trust_root = $trust_root;
+ $this->server = $server;
+
+ if ($immediate) {
+ $this->immediate = true;
+ $this->mode = "checkid_immediate";
+ } else {
+ $this->immediate = false;
+ $this->mode = "checkid_setup";
+ }
+ }
+
+ function equals($other)
+ {
+ return (
+ (is_a($other, 'Auth_OpenID_CheckIDRequest')) &&
+ ($this->namespace == $other->namespace) &&
+ ($this->assoc_handle == $other->assoc_handle) &&
+ ($this->identity == $other->identity) &&
+ ($this->claimed_id == $other->claimed_id) &&
+ ($this->return_to == $other->return_to) &&
+ ($this->trust_root == $other->trust_root));
+ }
+
+ /*
+ * Does the relying party publish the return_to URL for this
+ * response under the realm? It is up to the provider to set a
+ * policy for what kinds of realms should be allowed. This
+ * return_to URL verification reduces vulnerability to data-theft
+ * attacks based on open proxies, corss-site-scripting, or open
+ * redirectors.
+ *
+ * This check should only be performed after making sure that the
+ * return_to URL matches the realm.
+ *
+ * @return true if the realm publishes a document with the
+ * return_to URL listed, false if not or if discovery fails
+ */
+ function returnToVerified()
+ {
+ $fetcher = Auth_Yadis_Yadis::getHTTPFetcher();
+ return call_user_func_array($this->verifyReturnTo,
+ array($this->trust_root, $this->return_to, $fetcher));
+ }
+
+ static function fromMessage($message, $server)
+ {
+ $mode = $message->getArg(Auth_OpenID_OPENID_NS, 'mode');
+ $immediate = null;
+
+ if ($mode == "checkid_immediate") {
+ $immediate = true;
+ $mode = "checkid_immediate";
+ } else {
+ $immediate = false;
+ $mode = "checkid_setup";
+ }
+
+ $return_to = $message->getArg(Auth_OpenID_OPENID_NS,
+ 'return_to');
+
+ if (($message->isOpenID1()) &&
+ (!$return_to)) {
+ $fmt = "Missing required field 'return_to' from checkid request";
+ return new Auth_OpenID_ServerError($message, $fmt);
+ }
+
+ $identity = $message->getArg(Auth_OpenID_OPENID_NS,
+ 'identity');
+ $claimed_id = $message->getArg(Auth_OpenID_OPENID_NS, 'claimed_id');
+ if ($message->isOpenID1()) {
+ if ($identity === null) {
+ $s = "OpenID 1 message did not contain openid.identity";
+ return new Auth_OpenID_ServerError($message, $s);
+ }
+ } else {
+ if ($identity && !$claimed_id) {
+ $s = "OpenID 2.0 message contained openid.identity but not " .
+ "claimed_id";
+ return new Auth_OpenID_ServerError($message, $s);
+ } else if ($claimed_id && !$identity) {
+ $s = "OpenID 2.0 message contained openid.claimed_id " .
+ "but not identity";
+ return new Auth_OpenID_ServerError($message, $s);
+ }
+ }
+
+ // There's a case for making self.trust_root be a TrustRoot
+ // here. But if TrustRoot isn't currently part of the
+ // "public" API, I'm not sure it's worth doing.
+ if ($message->isOpenID1()) {
+ $trust_root_param = 'trust_root';
+ } else {
+ $trust_root_param = 'realm';
+ }
+ $trust_root = $message->getArg(Auth_OpenID_OPENID_NS,
+ $trust_root_param);
+ if (! $trust_root) {
+ $trust_root = $return_to;
+ }
+
+ if (! $message->isOpenID1() &&
+ ($return_to === null) &&
+ ($trust_root === null)) {
+ return new Auth_OpenID_ServerError($message,
+ "openid.realm required when openid.return_to absent");
+ }
+
+ $assoc_handle = $message->getArg(Auth_OpenID_OPENID_NS,
+ 'assoc_handle');
+
+ $obj = Auth_OpenID_CheckIDRequest::make($message,
+ $identity,
+ $return_to,
+ $trust_root,
+ $immediate,
+ $assoc_handle,
+ $server);
+
+ if (is_a($obj, 'Auth_OpenID_ServerError')) {
+ return $obj;
+ }
+
+ $obj->claimed_id = $claimed_id;
+
+ return $obj;
+ }
+
+ function idSelect()
+ {
+ // Is the identifier to be selected by the IDP?
+ // So IDPs don't have to import the constant
+ return $this->identity == Auth_OpenID_IDENTIFIER_SELECT;
+ }
+
+ function trustRootValid()
+ {
+ if (!$this->trust_root) {
+ return true;
+ }
+
+ $tr = Auth_OpenID_TrustRoot::_parse($this->trust_root);
+ if ($tr === false) {
+ return new Auth_OpenID_MalformedTrustRoot($this->message,
+ $this->trust_root);
+ }
+
+ if ($this->return_to !== null) {
+ return Auth_OpenID_TrustRoot::match($this->trust_root,
+ $this->return_to);
+ } else {
+ return true;
+ }
+ }
+
+ /**
+ * Respond to this request. Return either an
+ * {@link Auth_OpenID_ServerResponse} or
+ * {@link Auth_OpenID_ServerError}.
+ *
+ * @param bool $allow Allow this user to claim this identity, and
+ * allow the consumer to have this information?
+ *
+ * @param string $server_url DEPRECATED. Passing $op_endpoint to
+ * the {@link Auth_OpenID_Server} constructor makes this optional.
+ *
+ * When an OpenID 1.x immediate mode request does not succeed, it
+ * gets back a URL where the request may be carried out in a
+ * not-so-immediate fashion. Pass my URL in here (the fully
+ * qualified address of this server's endpoint, i.e.
+ * http://example.com/server), and I will use it as a base for the
+ * URL for a new request.
+ *
+ * Optional for requests where {@link $immediate} is false or
+ * $allow is true.
+ *
+ * @param string $identity The OP-local identifier to answer with.
+ * Only for use when the relying party requested identifier
+ * selection.
+ *
+ * @param string $claimed_id The claimed identifier to answer
+ * with, for use with identifier selection in the case where the
+ * claimed identifier and the OP-local identifier differ,
+ * i.e. when the claimed_id uses delegation.
+ *
+ * If $identity is provided but this is not, $claimed_id will
+ * default to the value of $identity. When answering requests
+ * that did not ask for identifier selection, the response
+ * $claimed_id will default to that of the request.
+ *
+ * This parameter is new in OpenID 2.0.
+ *
+ * @return mixed
+ */
+ function answer($allow, $server_url = null, $identity = null,
+ $claimed_id = null)
+ {
+ if (!$this->return_to) {
+ return new Auth_OpenID_NoReturnToError();
+ }
+
+ if (!$server_url) {
+ if ((!$this->message->isOpenID1()) &&
+ (!$this->server->op_endpoint)) {
+ return new Auth_OpenID_ServerError(null,
+ "server should be constructed with op_endpoint to " .
+ "respond to OpenID 2.0 messages.");
+ }
+
+ $server_url = $this->server->op_endpoint;
+ }
+
+ if ($allow) {
+ $mode = 'id_res';
+ } else if ($this->message->isOpenID1()) {
+ if ($this->immediate) {
+ $mode = 'id_res';
+ } else {
+ $mode = 'cancel';
+ }
+ } else {
+ if ($this->immediate) {
+ $mode = 'setup_needed';
+ } else {
+ $mode = 'cancel';
+ }
+ }
+
+ if (!$this->trustRootValid()) {
+ return new Auth_OpenID_UntrustedReturnURL(null,
+ $this->return_to,
+ $this->trust_root);
+ }
+
+ $response = new Auth_OpenID_ServerResponse($this);
+
+ if ($claimed_id &&
+ ($this->message->isOpenID1())) {
+ return new Auth_OpenID_ServerError(null,
+ "claimed_id is new in OpenID 2.0 and not " .
+ "available for ".$this->namespace);
+ }
+
+ if ($identity && !$claimed_id) {
+ $claimed_id = $identity;
+ }
+
+ if ($allow) {
+
+ if ($this->identity == Auth_OpenID_IDENTIFIER_SELECT) {
+ if (!$identity) {
+ return new Auth_OpenID_ServerError(null,
+ "This request uses IdP-driven identifier selection. " .
+ "You must supply an identifier in the response.");
+ }
+
+ $response_identity = $identity;
+ $response_claimed_id = $claimed_id;
+
+ } else if ($this->identity) {
+ if ($identity &&
+ ($this->identity != $identity)) {
+ $fmt = "Request was for %s, cannot reply with identity %s";
+ return new Auth_OpenID_ServerError(null,
+ sprintf($fmt, $this->identity, $identity));
+ }
+
+ $response_identity = $this->identity;
+ $response_claimed_id = $this->claimed_id;
+ } else {
+ if ($identity) {
+ return new Auth_OpenID_ServerError(null,
+ "This request specified no identity and " .
+ "you supplied ".$identity);
+ }
+
+ $response_identity = null;
+ }
+
+ if (($this->message->isOpenID1()) &&
+ ($response_identity === null)) {
+ return new Auth_OpenID_ServerError(null,
+ "Request was an OpenID 1 request, so response must " .
+ "include an identifier.");
+ }
+
+ $response->fields->updateArgs(Auth_OpenID_OPENID_NS,
+ array('mode' => $mode,
+ 'return_to' => $this->return_to,
+ 'response_nonce' => Auth_OpenID_mkNonce()));
+
+ if (!$this->message->isOpenID1()) {
+ $response->fields->setArg(Auth_OpenID_OPENID_NS,
+ 'op_endpoint', $server_url);
+ }
+
+ if ($response_identity !== null) {
+ $response->fields->setArg(
+ Auth_OpenID_OPENID_NS,
+ 'identity',
+ $response_identity);
+ if ($this->message->isOpenID2()) {
+ $response->fields->setArg(
+ Auth_OpenID_OPENID_NS,
+ 'claimed_id',
+ $response_claimed_id);
+ }
+ }
+
+ } else {
+ $response->fields->setArg(Auth_OpenID_OPENID_NS,
+ 'mode', $mode);
+
+ if ($this->immediate) {
+ if (($this->message->isOpenID1()) &&
+ (!$server_url)) {
+ return new Auth_OpenID_ServerError(null,
+ 'setup_url is required for $allow=false \
+ in OpenID 1.x immediate mode.');
+ }
+
+ $setup_request = new Auth_OpenID_CheckIDRequest(
+ $this->identity,
+ $this->return_to,
+ $this->trust_root,
+ false,
+ $this->assoc_handle,
+ $this->server,
+ $this->claimed_id);
+ $setup_request->message = $this->message;
+
+ $setup_url = $setup_request->encodeToURL($server_url);
+
+ if ($setup_url === null) {
+ return new Auth_OpenID_NoReturnToError();
+ }
+
+ $response->fields->setArg(Auth_OpenID_OPENID_NS,
+ 'user_setup_url',
+ $setup_url);
+ }
+ }
+
+ return $response;
+ }
+
+ function encodeToURL($server_url)
+ {
+ if (!$this->return_to) {
+ return new Auth_OpenID_NoReturnToError();
+ }
+
+ // Imported from the alternate reality where these classes are
+ // used in both the client and server code, so Requests are
+ // Encodable too. That's right, code imported from alternate
+ // realities all for the love of you, id_res/user_setup_url.
+
+ $q = array('mode' => $this->mode,
+ 'identity' => $this->identity,
+ 'claimed_id' => $this->claimed_id,
+ 'return_to' => $this->return_to);
+
+ if ($this->trust_root) {
+ if ($this->message->isOpenID1()) {
+ $q['trust_root'] = $this->trust_root;
+ } else {
+ $q['realm'] = $this->trust_root;
+ }
+ }
+
+ if ($this->assoc_handle) {
+ $q['assoc_handle'] = $this->assoc_handle;
+ }
+
+ $response = new Auth_OpenID_Message(
+ $this->message->getOpenIDNamespace());
+ $response->updateArgs(Auth_OpenID_OPENID_NS, $q);
+ return $response->toURL($server_url);
+ }
+
+ function getCancelURL()
+ {
+ if (!$this->return_to) {
+ return new Auth_OpenID_NoReturnToError();
+ }
+
+ if ($this->immediate) {
+ return new Auth_OpenID_ServerError(null,
+ "Cancel is not an appropriate \
+ response to immediate mode \
+ requests.");
+ }
+
+ $response = new Auth_OpenID_Message(
+ $this->message->getOpenIDNamespace());
+ $response->setArg(Auth_OpenID_OPENID_NS, 'mode', 'cancel');
+ return $response->toURL($this->return_to);
+ }
+}
+
+/**
+ * This class encapsulates the response to an OpenID server request.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_ServerResponse {
+
+ function Auth_OpenID_ServerResponse($request)
+ {
+ $this->request = $request;
+ $this->fields = new Auth_OpenID_Message($this->request->namespace);
+ }
+
+ function whichEncoding()
+ {
+ global $_Auth_OpenID_Request_Modes;
+
+ if (in_array($this->request->mode, $_Auth_OpenID_Request_Modes)) {
+ if ($this->fields->isOpenID2() &&
+ (strlen($this->encodeToURL()) >
+ Auth_OpenID_OPENID1_URL_LIMIT)) {
+ return Auth_OpenID_ENCODE_HTML_FORM;
+ } else {
+ return Auth_OpenID_ENCODE_URL;
+ }
+ } else {
+ return Auth_OpenID_ENCODE_KVFORM;
+ }
+ }
+
+ /*
+ * Returns the form markup for this response.
+ *
+ * @return str
+ */
+ function toFormMarkup($form_tag_attrs=null)
+ {
+ return $this->fields->toFormMarkup($this->request->return_to,
+ $form_tag_attrs);
+ }
+
+ /*
+ * Returns an HTML document containing the form markup for this
+ * response that autosubmits with javascript.
+ */
+ function toHTML()
+ {
+ return Auth_OpenID::autoSubmitHTML($this->toFormMarkup());
+ }
+
+ /*
+ * Returns True if this response's encoding is ENCODE_HTML_FORM.
+ * Convenience method for server authors.
+ *
+ * @return bool
+ */
+ function renderAsForm()
+ {
+ return $this->whichEncoding() == Auth_OpenID_ENCODE_HTML_FORM;
+ }
+
+
+ function encodeToURL()
+ {
+ return $this->fields->toURL($this->request->return_to);
+ }
+
+ function addExtension($extension_response)
+ {
+ $extension_response->toMessage($this->fields);
+ }
+
+ function needsSigning()
+ {
+ return $this->fields->getArg(Auth_OpenID_OPENID_NS,
+ 'mode') == 'id_res';
+ }
+
+ function encodeToKVForm()
+ {
+ return $this->fields->toKVForm();
+ }
+}
+
+/**
+ * A web-capable response object which you can use to generate a
+ * user-agent response.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_WebResponse {
+ var $code = AUTH_OPENID_HTTP_OK;
+ var $body = "";
+
+ function Auth_OpenID_WebResponse($code = null, $headers = null,
+ $body = null)
+ {
+ if ($code) {
+ $this->code = $code;
+ }
+
+ if ($headers !== null) {
+ $this->headers = $headers;
+ } else {
+ $this->headers = array();
+ }
+
+ if ($body !== null) {
+ $this->body = $body;
+ }
+ }
+}
+
+/**
+ * Responsible for the signature of query data and the verification of
+ * OpenID signature values.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_Signatory {
+
+ // = 14 * 24 * 60 * 60; # 14 days, in seconds
+ var $SECRET_LIFETIME = 1209600;
+
+ // keys have a bogus server URL in them because the filestore
+ // really does expect that key to be a URL. This seems a little
+ // silly for the server store, since I expect there to be only one
+ // server URL.
+ var $normal_key = 'http://localhost/|normal';
+ var $dumb_key = 'http://localhost/|dumb';
+
+ /**
+ * Create a new signatory using a given store.
+ */
+ function Auth_OpenID_Signatory($store)
+ {
+ // assert store is not None
+ $this->store = $store;
+ }
+
+ /**
+ * Verify, using a given association handle, a signature with
+ * signed key-value pairs from an HTTP request.
+ */
+ function verify($assoc_handle, $message)
+ {
+ $assoc = $this->getAssociation($assoc_handle, true);
+ if (!$assoc) {
+ // oidutil.log("failed to get assoc with handle %r to verify sig %r"
+ // % (assoc_handle, sig))
+ return false;
+ }
+
+ return $assoc->checkMessageSignature($message);
+ }
+
+ /**
+ * Given a response, sign the fields in the response's 'signed'
+ * list, and insert the signature into the response.
+ */
+ function sign($response)
+ {
+ $signed_response = $response;
+ $assoc_handle = $response->request->assoc_handle;
+
+ if ($assoc_handle) {
+ // normal mode
+ $assoc = $this->getAssociation($assoc_handle, false, false);
+ if (!$assoc || ($assoc->getExpiresIn() <= 0)) {
+ // fall back to dumb mode
+ $signed_response->fields->setArg(Auth_OpenID_OPENID_NS,
+ 'invalidate_handle', $assoc_handle);
+ $assoc_type = ($assoc ? $assoc->assoc_type : 'HMAC-SHA1');
+
+ if ($assoc && ($assoc->getExpiresIn() <= 0)) {
+ $this->invalidate($assoc_handle, false);
+ }
+
+ $assoc = $this->createAssociation(true, $assoc_type);
+ }
+ } else {
+ // dumb mode.
+ $assoc = $this->createAssociation(true);
+ }
+
+ $signed_response->fields = $assoc->signMessage(
+ $signed_response->fields);
+ return $signed_response;
+ }
+
+ /**
+ * Make a new association.
+ */
+ function createAssociation($dumb = true, $assoc_type = 'HMAC-SHA1')
+ {
+ $secret = Auth_OpenID_CryptUtil::getBytes(
+ Auth_OpenID_getSecretSize($assoc_type));
+
+ $uniq = base64_encode(Auth_OpenID_CryptUtil::getBytes(4));
+ $handle = sprintf('{%s}{%x}{%s}', $assoc_type, intval(time()), $uniq);
+
+ $assoc = Auth_OpenID_Association::fromExpiresIn(
+ $this->SECRET_LIFETIME, $handle, $secret, $assoc_type);
+
+ if ($dumb) {
+ $key = $this->dumb_key;
+ } else {
+ $key = $this->normal_key;
+ }
+
+ $this->store->storeAssociation($key, $assoc);
+ return $assoc;
+ }
+
+ /**
+ * Given an association handle, get the association from the
+ * store, or return a ServerError or null if something goes wrong.
+ */
+ function getAssociation($assoc_handle, $dumb, $check_expiration=true)
+ {
+ if ($assoc_handle === null) {
+ return new Auth_OpenID_ServerError(null,
+ "assoc_handle must not be null");
+ }
+
+ if ($dumb) {
+ $key = $this->dumb_key;
+ } else {
+ $key = $this->normal_key;
+ }
+
+ $assoc = $this->store->getAssociation($key, $assoc_handle);
+
+ if (($assoc !== null) && ($assoc->getExpiresIn() <= 0)) {
+ if ($check_expiration) {
+ $this->store->removeAssociation($key, $assoc_handle);
+ $assoc = null;
+ }
+ }
+
+ return $assoc;
+ }
+
+ /**
+ * Invalidate a given association handle.
+ */
+ function invalidate($assoc_handle, $dumb)
+ {
+ if ($dumb) {
+ $key = $this->dumb_key;
+ } else {
+ $key = $this->normal_key;
+ }
+ $this->store->removeAssociation($key, $assoc_handle);
+ }
+}
+
+/**
+ * Encode an {@link Auth_OpenID_ServerResponse} to an
+ * {@link Auth_OpenID_WebResponse}.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_Encoder {
+
+ var $responseFactory = 'Auth_OpenID_WebResponse';
+
+ /**
+ * Encode an {@link Auth_OpenID_ServerResponse} and return an
+ * {@link Auth_OpenID_WebResponse}.
+ */
+ function encode($response)
+ {
+ $cls = $this->responseFactory;
+
+ $encode_as = $response->whichEncoding();
+ if ($encode_as == Auth_OpenID_ENCODE_KVFORM) {
+ $wr = new $cls(null, null, $response->encodeToKVForm());
+ if (is_a($response, 'Auth_OpenID_ServerError')) {
+ $wr->code = AUTH_OPENID_HTTP_ERROR;
+ }
+ } else if ($encode_as == Auth_OpenID_ENCODE_URL) {
+ $location = $response->encodeToURL();
+ $wr = new $cls(AUTH_OPENID_HTTP_REDIRECT,
+ array('location' => $location));
+ } else if ($encode_as == Auth_OpenID_ENCODE_HTML_FORM) {
+ $wr = new $cls(AUTH_OPENID_HTTP_OK, array(),
+ $response->toHTML());
+ } else {
+ return new Auth_OpenID_EncodingError($response);
+ }
+ /* Allow the response to carry a custom error code (ex: for Association errors) */
+ if(isset($response->code)) {
+ $wr->code = $response->code;
+ }
+ return $wr;
+ }
+}
+
+/**
+ * An encoder which also takes care of signing fields when required.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_SigningEncoder extends Auth_OpenID_Encoder {
+
+ function Auth_OpenID_SigningEncoder($signatory)
+ {
+ $this->signatory = $signatory;
+ }
+
+ /**
+ * Sign an {@link Auth_OpenID_ServerResponse} and return an
+ * {@link Auth_OpenID_WebResponse}.
+ */
+ function encode($response)
+ {
+ // the isinstance is a bit of a kludge... it means there isn't
+ // really an adapter to make the interfaces quite match.
+ if (!is_a($response, 'Auth_OpenID_ServerError') &&
+ $response->needsSigning()) {
+
+ if (!$this->signatory) {
+ return new Auth_OpenID_ServerError(null,
+ "Must have a store to sign request");
+ }
+
+ if ($response->fields->hasKey(Auth_OpenID_OPENID_NS, 'sig')) {
+ return new Auth_OpenID_AlreadySigned($response);
+ }
+ $response = $this->signatory->sign($response);
+ }
+
+ return parent::encode($response);
+ }
+}
+
+/**
+ * Decode an incoming query into an Auth_OpenID_Request.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_Decoder {
+
+ function Auth_OpenID_Decoder($server)
+ {
+ $this->server = $server;
+
+ $this->handlers = array(
+ 'checkid_setup' => 'Auth_OpenID_CheckIDRequest',
+ 'checkid_immediate' => 'Auth_OpenID_CheckIDRequest',
+ 'check_authentication' => 'Auth_OpenID_CheckAuthRequest',
+ 'associate' => 'Auth_OpenID_AssociateRequest'
+ );
+ }
+
+ /**
+ * Given an HTTP query in an array (key-value pairs), decode it
+ * into an Auth_OpenID_Request object.
+ */
+ function decode($query)
+ {
+ if (!$query) {
+ return null;
+ }
+
+ $message = Auth_OpenID_Message::fromPostArgs($query);
+
+ if ($message === null) {
+ /*
+ * It's useful to have a Message attached to a
+ * ProtocolError, so we override the bad ns value to build
+ * a Message out of it. Kinda kludgy, since it's made of
+ * lies, but the parts that aren't lies are more useful
+ * than a 'None'.
+ */
+ $old_ns = $query['openid.ns'];
+
+ $query['openid.ns'] = Auth_OpenID_OPENID2_NS;
+ $message = Auth_OpenID_Message::fromPostArgs($query);
+ return new Auth_OpenID_ServerError(
+ $message,
+ sprintf("Invalid OpenID namespace URI: %s", $old_ns));
+ }
+
+ $mode = $message->getArg(Auth_OpenID_OPENID_NS, 'mode');
+ if (!$mode) {
+ return new Auth_OpenID_ServerError($message,
+ "No mode value in message");
+ }
+
+ if (Auth_OpenID::isFailure($mode)) {
+ return new Auth_OpenID_ServerError($message,
+ $mode->message);
+ }
+
+ $handlerCls = Auth_OpenID::arrayGet($this->handlers, $mode,
+ $this->defaultDecoder($message));
+
+ if (!is_a($handlerCls, 'Auth_OpenID_ServerError')) {
+ return call_user_func_array(array($handlerCls, 'fromMessage'),
+ array($message, $this->server));
+ } else {
+ return $handlerCls;
+ }
+ }
+
+ function defaultDecoder($message)
+ {
+ $mode = $message->getArg(Auth_OpenID_OPENID_NS, 'mode');
+
+ if (Auth_OpenID::isFailure($mode)) {
+ return new Auth_OpenID_ServerError($message,
+ $mode->message);
+ }
+
+ return new Auth_OpenID_ServerError($message,
+ sprintf("Unrecognized OpenID mode %s", $mode));
+ }
+}
+
+/**
+ * An error that indicates an encoding problem occurred.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_EncodingError {
+ function Auth_OpenID_EncodingError($response)
+ {
+ $this->response = $response;
+ }
+}
+
+/**
+ * An error that indicates that a response was already signed.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_AlreadySigned extends Auth_OpenID_EncodingError {
+ // This response is already signed.
+}
+
+/**
+ * An error that indicates that the given return_to is not under the
+ * given trust_root.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_UntrustedReturnURL extends Auth_OpenID_ServerError {
+ function Auth_OpenID_UntrustedReturnURL($message, $return_to,
+ $trust_root)
+ {
+ parent::Auth_OpenID_ServerError($message, "Untrusted return_to URL");
+ $this->return_to = $return_to;
+ $this->trust_root = $trust_root;
+ }
+
+ function toString()
+ {
+ return sprintf("return_to %s not under trust_root %s",
+ $this->return_to, $this->trust_root);
+ }
+}
+
+/**
+ * I handle requests for an OpenID server.
+ *
+ * Some types of requests (those which are not checkid requests) may
+ * be handed to my {@link handleRequest} method, and I will take care
+ * of it and return a response.
+ *
+ * For your convenience, I also provide an interface to {@link
+ * Auth_OpenID_Decoder::decode()} and {@link
+ * Auth_OpenID_SigningEncoder::encode()} through my methods {@link
+ * decodeRequest} and {@link encodeResponse}.
+ *
+ * All my state is encapsulated in an {@link Auth_OpenID_OpenIDStore}.
+ *
+ * Example:
+ *
+ * <pre> $oserver = new Auth_OpenID_Server(Auth_OpenID_FileStore($data_path),
+ * "http://example.com/op");
+ * $request = $oserver->decodeRequest();
+ * if (in_array($request->mode, array('checkid_immediate',
+ * 'checkid_setup'))) {
+ * if ($app->isAuthorized($request->identity, $request->trust_root)) {
+ * $response = $request->answer(true);
+ * } else if ($request->immediate) {
+ * $response = $request->answer(false);
+ * } else {
+ * $app->showDecidePage($request);
+ * return;
+ * }
+ * } else {
+ * $response = $oserver->handleRequest($request);
+ * }
+ *
+ * $webresponse = $oserver->encode($response);</pre>
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_Server {
+ function Auth_OpenID_Server($store, $op_endpoint=null)
+ {
+ $this->store = $store;
+ $this->signatory = new Auth_OpenID_Signatory($this->store);
+ $this->encoder = new Auth_OpenID_SigningEncoder($this->signatory);
+ $this->decoder = new Auth_OpenID_Decoder($this);
+ $this->op_endpoint = $op_endpoint;
+ $this->negotiator = Auth_OpenID_getDefaultNegotiator();
+ }
+
+ /**
+ * Handle a request. Given an {@link Auth_OpenID_Request} object,
+ * call the appropriate {@link Auth_OpenID_Server} method to
+ * process the request and generate a response.
+ *
+ * @param Auth_OpenID_Request $request An {@link Auth_OpenID_Request}
+ * returned by {@link Auth_OpenID_Server::decodeRequest()}.
+ *
+ * @return Auth_OpenID_ServerResponse $response A response object
+ * capable of generating a user-agent reply.
+ */
+ function handleRequest($request)
+ {
+ if (method_exists($this, "openid_" . $request->mode)) {
+ $handler = array($this, "openid_" . $request->mode);
+ return call_user_func_array($handler, array($request));
+ }
+ return null;
+ }
+
+ /**
+ * The callback for 'check_authentication' messages.
+ */
+ function openid_check_authentication($request)
+ {
+ return $request->answer($this->signatory);
+ }
+
+ /**
+ * The callback for 'associate' messages.
+ */
+ function openid_associate($request)
+ {
+ $assoc_type = $request->assoc_type;
+ $session_type = $request->session->session_type;
+ if ($this->negotiator->isAllowed($assoc_type, $session_type)) {
+ $assoc = $this->signatory->createAssociation(false,
+ $assoc_type);
+ return $request->answer($assoc);
+ } else {
+ $message = sprintf('Association type %s is not supported with '.
+ 'session type %s', $assoc_type, $session_type);
+ list($preferred_assoc_type, $preferred_session_type) =
+ $this->negotiator->getAllowedType();
+ return $request->answerUnsupported($message,
+ $preferred_assoc_type,
+ $preferred_session_type);
+ }
+ }
+
+ /**
+ * Encodes as response in the appropriate format suitable for
+ * sending to the user agent.
+ */
+ function encodeResponse($response)
+ {
+ return $this->encoder->encode($response);
+ }
+
+ /**
+ * Decodes a query args array into the appropriate
+ * {@link Auth_OpenID_Request} object.
+ */
+ function decodeRequest($query=null)
+ {
+ if ($query === null) {
+ $query = Auth_OpenID::getQuery();
+ }
+
+ return $this->decoder->decode($query);
+ }
+}
+
+
diff --git a/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/ServerRequest.php b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/ServerRequest.php
new file mode 100644
index 0000000..69222a5
--- /dev/null
+++ b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/ServerRequest.php
@@ -0,0 +1,36 @@
+<?php
+/**
+ * OpenID Server Request
+ *
+ * @see Auth_OpenID_Server
+ *
+ * PHP versions 4 and 5
+ *
+ * LICENSE: See the COPYING file included in this distribution.
+ *
+ * @package OpenID
+ * @author JanRain, Inc. <openid@janrain.com>
+ * @copyright 2005-2008 Janrain, Inc.
+ * @license http://www.apache.org/licenses/LICENSE-2.0 Apache
+ */
+
+/**
+ * Imports
+ */
+require_once "Auth/OpenID.php";
+
+/**
+ * Object that holds the state of a request to the OpenID server
+ *
+ * With accessor functions to get at the internal request data.
+ *
+ * @see Auth_OpenID_Server
+ * @package OpenID
+ */
+class Auth_OpenID_ServerRequest {
+ function Auth_OpenID_ServerRequest()
+ {
+ $this->mode = null;
+ }
+}
+
diff --git a/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/TrustRoot.php b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/TrustRoot.php
new file mode 100644
index 0000000..000440b
--- /dev/null
+++ b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/TrustRoot.php
@@ -0,0 +1,461 @@
+<?php
+/**
+ * Functions for dealing with OpenID trust roots
+ *
+ * PHP versions 4 and 5
+ *
+ * LICENSE: See the COPYING file included in this distribution.
+ *
+ * @package OpenID
+ * @author JanRain, Inc. <openid@janrain.com>
+ * @copyright 2005-2008 Janrain, Inc.
+ * @license http://www.apache.org/licenses/LICENSE-2.0 Apache
+ */
+
+require_once 'Auth/OpenID/Discover.php';
+
+/**
+ * A regular expression that matches a domain ending in a top-level domains.
+ * Used in checking trust roots for sanity.
+ *
+ * @access private
+ */
+define('Auth_OpenID___TLDs',
+ '/\.(ac|ad|ae|aero|af|ag|ai|al|am|an|ao|aq|ar|arpa|as|asia' .
+ '|at|au|aw|ax|az|ba|bb|bd|be|bf|bg|bh|bi|biz|bj|bm|bn|bo|br' .
+ '|bs|bt|bv|bw|by|bz|ca|cat|cc|cd|cf|cg|ch|ci|ck|cl|cm|cn|co' .
+ '|com|coop|cr|cu|cv|cx|cy|cz|de|dj|dk|dm|do|dz|ec|edu|ee|eg' .
+ '|er|es|et|eu|fi|fj|fk|fm|fo|fr|ga|gb|gd|ge|gf|gg|gh|gi|gl' .
+ '|gm|gn|gov|gp|gq|gr|gs|gt|gu|gw|gy|hk|hm|hn|hr|ht|hu|id|ie' .
+ '|il|im|in|info|int|io|iq|ir|is|it|je|jm|jo|jobs|jp|ke|kg|kh' .
+ '|ki|km|kn|kp|kr|kw|ky|kz|la|lb|lc|li|lk|lr|ls|lt|lu|lv|ly' .
+ '|ma|mc|md|me|mg|mh|mil|mk|ml|mm|mn|mo|mobi|mp|mq|mr|ms|mt' .
+ '|mu|museum|mv|mw|mx|my|mz|na|name|nc|ne|net|nf|ng|ni|nl|no' .
+ '|np|nr|nu|nz|om|org|pa|pe|pf|pg|ph|pk|pl|pm|pn|pr|pro|ps|pt' .
+ '|pw|py|qa|re|ro|rs|ru|rw|sa|sb|sc|sd|se|sg|sh|si|sj|sk|sl' .
+ '|sm|sn|so|sr|st|su|sv|sy|sz|tc|td|tel|tf|tg|th|tj|tk|tl|tm' .
+ '|tn|to|tp|tr|travel|tt|tv|tw|tz|ua|ug|uk|us|uy|uz|va|vc|ve' .
+ '|vg|vi|vn|vu|wf|ws|xn--0zwm56d|xn--11b5bs3a9aj6g' .
+ '|xn--80akhbyknj4f|xn--9t4b11yi5a|xn--deba0ad|xn--g6w251d' .
+ '|xn--hgbk6aj7f53bba|xn--hlcj6aya9esc7a|xn--jxalpdlp' .
+ '|xn--kgbechtv|xn--zckzah|ye|yt|yu|za|zm|zw)\.?$/');
+
+define('Auth_OpenID___HostSegmentRe',
+ "/^(?:[-a-zA-Z0-9!$&'\\(\\)\\*+,;=._~]|%[a-zA-Z0-9]{2})*$/");
+
+/**
+ * A wrapper for trust-root related functions
+ */
+class Auth_OpenID_TrustRoot {
+ /*
+ * Return a discovery URL for this realm.
+ *
+ * Return null if the realm could not be parsed or was not valid.
+ *
+ * @param return_to The relying party return URL of the OpenID
+ * authentication request
+ *
+ * @return The URL upon which relying party discovery should be
+ * run in order to verify the return_to URL
+ */
+ static function buildDiscoveryURL($realm)
+ {
+ $parsed = Auth_OpenID_TrustRoot::_parse($realm);
+
+ if ($parsed === false) {
+ return false;
+ }
+
+ if ($parsed['wildcard']) {
+ // Use "www." in place of the star
+ if ($parsed['host'][0] != '.') {
+ return false;
+ }
+
+ $www_domain = 'www' . $parsed['host'];
+
+ return sprintf('%s://%s%s', $parsed['scheme'],
+ $www_domain, $parsed['path']);
+ } else {
+ return $parsed['unparsed'];
+ }
+ }
+
+ /**
+ * Parse a URL into its trust_root parts.
+ *
+ * @static
+ *
+ * @access private
+ *
+ * @param string $trust_root The url to parse
+ *
+ * @return mixed $parsed Either an associative array of trust root
+ * parts or false if parsing failed.
+ */
+ static function _parse($trust_root)
+ {
+ $trust_root = Auth_OpenID_urinorm($trust_root);
+ if ($trust_root === null) {
+ return false;
+ }
+
+ if (preg_match("/:\/\/[^:]+(:\d+){2,}(\/|$)/", $trust_root)) {
+ return false;
+ }
+
+ $parts = @parse_url($trust_root);
+ if ($parts === false) {
+ return false;
+ }
+
+ $required_parts = array('scheme', 'host');
+ $forbidden_parts = array('user', 'pass', 'fragment');
+ $keys = array_keys($parts);
+ if (array_intersect($keys, $required_parts) != $required_parts) {
+ return false;
+ }
+
+ if (array_intersect($keys, $forbidden_parts) != array()) {
+ return false;
+ }
+
+ if (!preg_match(Auth_OpenID___HostSegmentRe, $parts['host'])) {
+ return false;
+ }
+
+ $scheme = strtolower($parts['scheme']);
+ $allowed_schemes = array('http', 'https');
+ if (!in_array($scheme, $allowed_schemes)) {
+ return false;
+ }
+ $parts['scheme'] = $scheme;
+
+ $host = strtolower($parts['host']);
+ $hostparts = explode('*', $host);
+ switch (count($hostparts)) {
+ case 1:
+ $parts['wildcard'] = false;
+ break;
+ case 2:
+ if ($hostparts[0] ||
+ ($hostparts[1] && substr($hostparts[1], 0, 1) != '.')) {
+ return false;
+ }
+ $host = $hostparts[1];
+ $parts['wildcard'] = true;
+ break;
+ default:
+ return false;
+ }
+ if (strpos($host, ':') !== false) {
+ return false;
+ }
+
+ $parts['host'] = $host;
+
+ if (isset($parts['path'])) {
+ $path = strtolower($parts['path']);
+ if (substr($path, 0, 1) != '/') {
+ return false;
+ }
+ } else {
+ $path = '/';
+ }
+
+ $parts['path'] = $path;
+ if (!isset($parts['port'])) {
+ $parts['port'] = false;
+ }
+
+
+ $parts['unparsed'] = $trust_root;
+
+ return $parts;
+ }
+
+ /**
+ * Is this trust root sane?
+ *
+ * A trust root is sane if it is syntactically valid and it has a
+ * reasonable domain name. Specifically, the domain name must be
+ * more than one level below a standard TLD or more than two
+ * levels below a two-letter tld.
+ *
+ * For example, '*.com' is not a sane trust root, but '*.foo.com'
+ * is. '*.co.uk' is not sane, but '*.bbc.co.uk' is.
+ *
+ * This check is not always correct, but it attempts to err on the
+ * side of marking sane trust roots insane instead of marking
+ * insane trust roots sane. For example, 'kink.fm' is marked as
+ * insane even though it "should" (for some meaning of should) be
+ * marked sane.
+ *
+ * This function should be used when creating OpenID servers to
+ * alert the users of the server when a consumer attempts to get
+ * the user to accept a suspicious trust root.
+ *
+ * @static
+ * @param string $trust_root The trust root to check
+ * @return bool $sanity Whether the trust root looks OK
+ */
+ static function isSane($trust_root)
+ {
+ $parts = Auth_OpenID_TrustRoot::_parse($trust_root);
+ if ($parts === false) {
+ return false;
+ }
+
+ // Localhost is a special case
+ if ($parts['host'] == 'localhost') {
+ return true;
+ }
+
+ $host_parts = explode('.', $parts['host']);
+ if ($parts['wildcard']) {
+ // Remove the empty string from the beginning of the array
+ array_shift($host_parts);
+ }
+
+ if ($host_parts && !$host_parts[count($host_parts) - 1]) {
+ array_pop($host_parts);
+ }
+
+ if (!$host_parts) {
+ return false;
+ }
+
+ // Don't allow adjacent dots
+ if (in_array('', $host_parts, true)) {
+ return false;
+ }
+
+ // Get the top-level domain of the host. If it is not a valid TLD,
+ // it's not sane.
+ preg_match(Auth_OpenID___TLDs, $parts['host'], $matches);
+ if (!$matches) {
+ return false;
+ }
+ $tld = $matches[1];
+
+ if (count($host_parts) == 1) {
+ return false;
+ }
+
+ if ($parts['wildcard']) {
+ // It's a 2-letter tld with a short second to last segment
+ // so there needs to be more than two segments specified
+ // (e.g. *.co.uk is insane)
+ $second_level = $host_parts[count($host_parts) - 2];
+ if (strlen($tld) == 2 && strlen($second_level) <= 3) {
+ return count($host_parts) > 2;
+ }
+ }
+
+ return true;
+ }
+
+ /**
+ * Does this URL match the given trust root?
+ *
+ * Return whether the URL falls under the given trust root. This
+ * does not check whether the trust root is sane. If the URL or
+ * trust root do not parse, this function will return false.
+ *
+ * @param string $trust_root The trust root to match against
+ *
+ * @param string $url The URL to check
+ *
+ * @return bool $matches Whether the URL matches against the
+ * trust root
+ */
+ static function match($trust_root, $url)
+ {
+ $trust_root_parsed = Auth_OpenID_TrustRoot::_parse($trust_root);
+ $url_parsed = Auth_OpenID_TrustRoot::_parse($url);
+ if (!$trust_root_parsed || !$url_parsed) {
+ return false;
+ }
+
+ // Check hosts matching
+ if ($url_parsed['wildcard']) {
+ return false;
+ }
+ if ($trust_root_parsed['wildcard']) {
+ $host_tail = $trust_root_parsed['host'];
+ $host = $url_parsed['host'];
+ if ($host_tail &&
+ substr($host, -(strlen($host_tail))) != $host_tail &&
+ substr($host_tail, 1) != $host) {
+ return false;
+ }
+ } else {
+ if ($trust_root_parsed['host'] != $url_parsed['host']) {
+ return false;
+ }
+ }
+
+ // Check path and query matching
+ $base_path = $trust_root_parsed['path'];
+ $path = $url_parsed['path'];
+ if (!isset($trust_root_parsed['query'])) {
+ if ($base_path != $path) {
+ if (substr($path, 0, strlen($base_path)) != $base_path) {
+ return false;
+ }
+ if (substr($base_path, strlen($base_path) - 1, 1) != '/' &&
+ substr($path, strlen($base_path), 1) != '/') {
+ return false;
+ }
+ }
+ } else {
+ $base_query = $trust_root_parsed['query'];
+ $query = @$url_parsed['query'];
+ $qplus = substr($query, 0, strlen($base_query) + 1);
+ $bqplus = $base_query . '&';
+ if ($base_path != $path ||
+ ($base_query != $query && $qplus != $bqplus)) {
+ return false;
+ }
+ }
+
+ // The port and scheme need to match exactly
+ return ($trust_root_parsed['scheme'] == $url_parsed['scheme'] &&
+ $url_parsed['port'] === $trust_root_parsed['port']);
+ }
+}
+
+/*
+ * If the endpoint is a relying party OpenID return_to endpoint,
+ * return the endpoint URL. Otherwise, return None.
+ *
+ * This function is intended to be used as a filter for the Yadis
+ * filtering interface.
+ *
+ * @see: C{L{openid.yadis.services}}
+ * @see: C{L{openid.yadis.filters}}
+ *
+ * @param endpoint: An XRDS BasicServiceEndpoint, as returned by
+ * performing Yadis dicovery.
+ *
+ * @returns: The endpoint URL or None if the endpoint is not a
+ * relying party endpoint.
+ */
+function filter_extractReturnURL($endpoint)
+{
+ if ($endpoint->matchTypes(array(Auth_OpenID_RP_RETURN_TO_URL_TYPE))) {
+ return $endpoint;
+ } else {
+ return null;
+ }
+}
+
+function &Auth_OpenID_extractReturnURL(&$endpoint_list)
+{
+ $result = array();
+
+ foreach ($endpoint_list as $endpoint) {
+ if (filter_extractReturnURL($endpoint)) {
+ $result[] = $endpoint;
+ }
+ }
+
+ return $result;
+}
+
+/*
+ * Is the return_to URL under one of the supplied allowed return_to
+ * URLs?
+ */
+function Auth_OpenID_returnToMatches($allowed_return_to_urls, $return_to)
+{
+ foreach ($allowed_return_to_urls as $allowed_return_to) {
+ // A return_to pattern works the same as a realm, except that
+ // it's not allowed to use a wildcard. We'll model this by
+ // parsing it as a realm, and not trying to match it if it has
+ // a wildcard.
+
+ $return_realm = Auth_OpenID_TrustRoot::_parse($allowed_return_to);
+ if (// Parses as a trust root
+ ($return_realm !== false) &&
+ // Does not have a wildcard
+ (!$return_realm['wildcard']) &&
+ // Matches the return_to that we passed in with it
+ (Auth_OpenID_TrustRoot::match($allowed_return_to, $return_to))) {
+ return true;
+ }
+ }
+
+ // No URL in the list matched
+ return false;
+}
+
+/*
+ * Given a relying party discovery URL return a list of return_to
+ * URLs.
+ */
+function Auth_OpenID_getAllowedReturnURLs($relying_party_url, $fetcher,
+ $discover_function=null)
+{
+ if ($discover_function === null) {
+ $discover_function = array('Auth_Yadis_Yadis', 'discover');
+ }
+
+ $xrds_parse_cb = array('Auth_OpenID_ServiceEndpoint', 'consumerFromXRDS');
+
+ list($rp_url_after_redirects, $endpoints) =
+ Auth_Yadis_getServiceEndpoints($relying_party_url, $xrds_parse_cb,
+ $discover_function, $fetcher);
+
+ if ($rp_url_after_redirects != $relying_party_url) {
+ // Verification caused a redirect
+ return false;
+ }
+
+ call_user_func_array($discover_function,
+ array($relying_party_url, &$fetcher));
+
+ $return_to_urls = array();
+ $matching_endpoints = Auth_OpenID_extractReturnURL($endpoints);
+
+ foreach ($matching_endpoints as $e) {
+ $return_to_urls[] = $e->server_url;
+ }
+
+ return $return_to_urls;
+}
+
+/*
+ * Verify that a return_to URL is valid for the given realm.
+ *
+ * This function builds a discovery URL, performs Yadis discovery on
+ * it, makes sure that the URL does not redirect, parses out the
+ * return_to URLs, and finally checks to see if the current return_to
+ * URL matches the return_to.
+ *
+ * @return true if the return_to URL is valid for the realm
+ */
+function Auth_OpenID_verifyReturnTo($realm_str, $return_to, $fetcher,
+ $_vrfy='Auth_OpenID_getAllowedReturnURLs')
+{
+ $disco_url = Auth_OpenID_TrustRoot::buildDiscoveryURL($realm_str);
+
+ if ($disco_url === false) {
+ return false;
+ }
+
+ $allowable_urls = call_user_func_array($_vrfy,
+ array($disco_url, $fetcher));
+
+ // The realm_str could not be parsed.
+ if ($allowable_urls === false) {
+ return false;
+ }
+
+ if (Auth_OpenID_returnToMatches($allowable_urls, $return_to)) {
+ return true;
+ } else {
+ return false;
+ }
+}
+
diff --git a/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/URINorm.php b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/URINorm.php
new file mode 100644
index 0000000..c051b55
--- /dev/null
+++ b/inc/simplesamlphp/vendor/openid/php-openid/Auth/OpenID/URINorm.php
@@ -0,0 +1,249 @@
+<?php
+
+/**
+ * URI normalization routines.
+ *
+ * @package OpenID
+ * @author JanRain, Inc. <openid@janrain.com>
+ * @copyright 2005-2008 Janrain, Inc.
+ * @license http://www.apache.org/licenses/LICENSE-2.0 Apache
+ */
+
+require_once 'Auth/Yadis/Misc.php';
+
+// from appendix B of rfc 3986 (http://www.ietf.org/rfc/rfc3986.txt)
+function Auth_OpenID_getURIPattern()
+{
+ return '&^(([^:/?#]+):)?(//([^/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))?&';
+}
+
+function Auth_OpenID_getAuthorityPattern()
+{
+ return '/^([^@]*@)?([^:]*)(:.*)?/';
+}
+
+function Auth_OpenID_getEncodedPattern()
+{
+ return '/%([0-9A-Fa-f]{2})/';
+}
+
+# gen-delims = ":" / "/" / "?" / "#" / "[" / "]" / "@"
+#
+# sub-delims = "!" / "$" / "&" / "'" / "(" / ")"
+# / "*" / "+" / "," / ";" / "="
+#
+# unreserved = ALPHA / DIGIT / "-" / "." / "_" / "~"
+function Auth_OpenID_getURLIllegalCharRE()
+{
+ return "/([^-A-Za-z0-9:\/\?#\[\]@\!\$&'\(\)\*\+,;=\._~\%])/";
+}
+
+function Auth_OpenID_getUnreserved()
+{
+ $_unreserved = array();
+ for ($i = 0; $i < 256; $i++) {
+ $_unreserved[$i] = false;
+ }
+
+ for ($i = ord('A'); $i <= ord('Z'); $i++) {
+ $_unreserved[$i] = true;
+ }
+
+ for ($i = ord('0'); $i <= ord('9'); $i++) {
+ $_unreserved[$i] = true;
+ }
+
+ for ($i = ord('a'); $i <= ord('z'); $i++) {
+ $_unreserved[$i] = true;
+ }
+
+ $_unreserved[ord('-')] = true;
+ $_unreserved[ord('.')] = true;
+ $_unreserved[ord('_')] = true;
+ $_unreserved[ord('~')] = true;
+
+ return $_unreserved;
+}
+
+function Auth_OpenID_getEscapeRE()
+{
+ $parts = array();
+ foreach (array_merge(Auth_Yadis_getUCSChars(),
+ Auth_Yadis_getIPrivateChars()) as $pair) {
+ list($m, $n) = $pair;
+ $parts[] = sprintf("%s-%s", chr($m), chr($n));
+ }
+
+ return sprintf('[%s]', implode('', $parts));
+}
+
+function Auth_OpenID_pct_encoded_replace_unreserved($mo)
+{
+ $_unreserved = Auth_OpenID_getUnreserved();
+
+ $i = intval($mo[1], 16);
+ if ($_unreserved[$i]) {
+ return chr($i);
+ } else {
+ return strtoupper($mo[0]);
+ }
+
+ return $mo[0];
+}
+
+function Auth_OpenID_pct_encoded_replace($mo)
+{
+ return chr(intval($mo[1], 16));
+}
+
+function Auth_OpenID_remove_dot_segments($path)
+{
+ $result_segments = array();
+
+ while ($path) {
+ if (Auth_Yadis_startswith($path, '../')) {
+ $path = substr($path, 3);
+ } else if (Auth_Yadis_startswith($path, './')) {
+ $path = substr($path, 2);
+ } else if (Auth_Yadis_startswith($path, '/./')) {
+ $path = substr($path, 2);
+ } else if ($path == '/.') {
+ $path = '/';
+ } else if (Auth_Yadis_startswith($path, '/../')) {
+ $path = substr($path, 3);
+ if ($result_segments) {
+ array_pop($result_segments);
+ }
+ } else if ($path == '/..') {
+ $path = '/';
+ if ($result_segments) {
+ array_pop($result_segments);
+ }
+ } else if (($path == '..') ||
+ ($path == '.')) {
+ $path = '';
+ } else {
+ $i = 0;
+ if ($path[0] == '/') {
+ $i = 1;
+ }
+ $i = strpos($path, '/', $i);
+ if ($i === false) {
+ $i = strlen($path);
+ }
+ $result_segments[] = substr($path, 0, $i);
+ $path = substr($path, $i);
+ }
+ }
+
+ return implode('', $result_segments);
+}
+
+function Auth_OpenID_urinorm($uri)
+{
+ $uri_matches = array();
+ preg_match(Auth_OpenID_getURIPattern(), $uri, $uri_matches);
+
+ if (count($uri_matches) < 9) {
+ for ($i = count($uri_matches); $i <= 9; $i++) {
+ $uri_matches[] = '';
+ }
+ }
+
+ $illegal_matches = array();
+ preg_match(Auth_OpenID_getURLIllegalCharRE(),
+ $uri, $illegal_matches);
+ if ($illegal_matches) {
+ return null;
+ }
+
+ $scheme = $uri_matches[2];
+ if ($scheme) {
+ $scheme = strtolower($scheme);
+ }
+
+ $scheme = $uri_matches[2];
+ if ($scheme === '') {
+ // No scheme specified
+ return null;
+ }
+
+ $scheme = strtolower($scheme);
+ if (!in_array($scheme, array('http', 'https'))) {
+ // Not an absolute HTTP or HTTPS URI
+ return null;
+ }
+
+ $authority = $uri_matches[4];
+ if ($authority === '') {
+ // Not an absolute URI
+ return null;
+ }
+
+ $authority_matches = array();
+ preg_match(Auth_OpenID_getAuthorityPattern(),
+ $authority, $authority_matches);
+ if (count($authority_matches) === 0) {
+ // URI does not have a valid authority
+ return null;
+ }
+
+ if (count($authority_matches) < 4) {
+ for ($i = count($authority_matches); $i <= 4; $i++) {
+ $authority_matches[] = '';
+ }
+ }
+
+ list($_whole, $userinfo, $host, $port) = $authority_matches;
+
+ if ($userinfo === null) {
+ $userinfo = '';
+ }
+
+ if (strpos($host, '%') !== -1) {
+ $host = strtolower($host);
+ $host = preg_replace_callback(
+ Auth_OpenID_getEncodedPattern(),
+ 'Auth_OpenID_pct_encoded_replace', $host);
+ // NO IDNA.
+ // $host = unicode($host, 'utf-8').encode('idna');
+ } else {
+ $host = strtolower($host);
+ }
+
+ if ($port) {
+ if (($port == ':') ||
+ ($scheme == 'http' && $port == ':80') ||
+ ($scheme == 'https' && $port == ':443')) {
+ $port = '';
+ }
+ } else {
+ $port = '';
+ }
+
+ $authority = $userinfo . $host . $port;
+
+ $path = $uri_matches[5];
+ $path = preg_replace_callback(
+ Auth_OpenID_getEncodedPattern(),
+ 'Auth_OpenID_pct_encoded_replace_unreserved', $path);
+
+ $path = Auth_OpenID_remove_dot_segments($path);
+ if (!$path) {
+ $path = '/';
+ }
+
+ $query = $uri_matches[6];
+ if ($query === null) {
+ $query = '';
+ }
+
+ $fragment = $uri_matches[8];
+ if ($fragment === null) {
+ $fragment = '';
+ }
+
+ return $scheme . '://' . $authority . $path . $query . $fragment;
+}
+
+
diff --git a/inc/simplesamlphp/vendor/openid/php-openid/Auth/Yadis/HTTPFetcher.php b/inc/simplesamlphp/vendor/openid/php-openid/Auth/Yadis/HTTPFetcher.php
new file mode 100644
index 0000000..148cde1
--- /dev/null
+++ b/inc/simplesamlphp/vendor/openid/php-openid/Auth/Yadis/HTTPFetcher.php
@@ -0,0 +1,174 @@
+<?php
+
+/**
+ * This module contains the HTTP fetcher interface
+ *
+ * PHP versions 4 and 5
+ *
+ * LICENSE: See the COPYING file included in this distribution.
+ *
+ * @package OpenID
+ * @author JanRain, Inc. <openid@janrain.com>
+ * @copyright 2005-2008 Janrain, Inc.
+ * @license http://www.apache.org/licenses/LICENSE-2.0 Apache
+ */
+
+/**
+ * Require logging functionality
+ */
+require_once "Auth/OpenID.php";
+
+define('Auth_OpenID_FETCHER_MAX_RESPONSE_KB', 1024);
+define('Auth_OpenID_USER_AGENT',
+ 'php-openid/'.Auth_OpenID_VERSION.' (php/'.phpversion().')');
+
+class Auth_Yadis_HTTPResponse {
+ function Auth_Yadis_HTTPResponse($final_url = null, $status = null,
+ $headers = null, $body = null)
+ {
+ $this->final_url = $final_url;
+ $this->status = $status;
+ $this->headers = $headers;
+ $this->body = $body;
+ }
+}
+
+/**
+ * This class is the interface for HTTP fetchers the Yadis library
+ * uses. This interface is only important if you need to write a new
+ * fetcher for some reason.
+ *
+ * @access private
+ * @package OpenID
+ */
+class Auth_Yadis_HTTPFetcher {
+
+ var $timeout = 20; // timeout in seconds.
+
+ /**
+ * Return whether a URL can be fetched. Returns false if the URL
+ * scheme is not allowed or is not supported by this fetcher
+ * implementation; returns true otherwise.
+ *
+ * @return bool
+ */
+ function canFetchURL($url)
+ {
+ if ($this->isHTTPS($url) && !$this->supportsSSL()) {
+ Auth_OpenID::log("HTTPS URL unsupported fetching %s",
+ $url);
+ return false;
+ }
+
+ if (!$this->allowedURL($url)) {
+ Auth_OpenID::log("URL fetching not allowed for '%s'",
+ $url);
+ return false;
+ }
+
+ return true;
+ }
+
+ /**
+ * Return whether a URL should be allowed. Override this method to
+ * conform to your local policy.
+ *
+ * By default, will attempt to fetch any http or https URL.
+ */
+ function allowedURL($url)
+ {
+ return $this->URLHasAllowedScheme($url);
+ }
+
+ /**
+ * Does this fetcher implementation (and runtime) support fetching
+ * HTTPS URLs? May inspect the runtime environment.
+ *
+ * @return bool $support True if this fetcher supports HTTPS
+ * fetching; false if not.
+ */
+ function supportsSSL()
+ {
+ trigger_error("not implemented", E_USER_ERROR);
+ }
+
+ /**
+ * Is this an https URL?
+ *
+ * @access private
+ */
+ function isHTTPS($url)
+ {
+ return (bool)preg_match('/^https:\/\//i', $url);
+ }
+
+ /**
+ * Is this an http or https URL?
+ *
+ * @access private
+ */
+ function URLHasAllowedScheme($url)
+ {
+ return (bool)preg_match('/^https?:\/\//i', $url);
+ }
+
+ /**
+ * @access private
+ */
+ function _findRedirect($headers, $url)
+ {
+ foreach ($headers as $line) {
+ if (strpos(strtolower($line), "location: ") === 0) {
+ $parts = explode(" ", $line, 2);
+ $loc = $parts[1];
+ $ppos = strpos($loc, "://");
+ if ($ppos === false || $ppos > strpos($loc, "/")) {
+ /* no host; add it */
+ $hpos = strpos($url, "://");
+ $prt = substr($url, 0, $hpos+3);
+ $url = substr($url, $hpos+3);
+ if (substr($loc, 0, 1) == "/") {
+ /* absolute path */
+ $fspos = strpos($url, "/");
+ if ($fspos) $loc = $prt.substr($url, 0, $fspos).$loc;
+ else $loc = $prt.$url.$loc;
+ } else {
+ /* relative path */
+ $pp = $prt;
+ while (1) {
+ $xpos = strpos($url, "/");
+ if ($xpos === false) break;
+ $apos = strpos($url, "?");
+ if ($apos !== false && $apos < $xpos) break;
+ $apos = strpos($url, "&");
+ if ($apos !== false && $apos < $xpos) break;
+ $pp .= substr($url, 0, $xpos+1);
+ $url = substr($url, $xpos+1);
+ }
+ $loc = $pp.$loc;
+ }
+ }
+ return $loc;
+ }
+ }
+ return null;
+ }
+
+ /**
+ * Fetches the specified URL using optional extra headers and
+ * returns the server's response.
+ *
+ * @param string $url The URL to be fetched.
+ * @param array $extra_headers An array of header strings
+ * (e.g. "Accept: text/html").
+ * @return mixed $result An array of ($code, $url, $headers,
+ * $body) if the URL could be fetched; null if the URL does not
+ * pass the URLHasAllowedScheme check or if the server's response
+ * is malformed.
+ */
+ function get($url, $headers = null)
+ {
+ trigger_error("not implemented", E_USER_ERROR);
+ }
+}
+
diff --git a/inc/simplesamlphp/vendor/openid/php-openid/Auth/Yadis/Manager.php b/inc/simplesamlphp/vendor/openid/php-openid/Auth/Yadis/Manager.php
new file mode 100644
index 0000000..15e6907
--- /dev/null
+++ b/inc/simplesamlphp/vendor/openid/php-openid/Auth/Yadis/Manager.php
@@ -0,0 +1,523 @@
+<?php
+
+/**
+ * Yadis service manager to be used during yadis-driven authentication
+ * attempts.
+ *
+ * @package OpenID
+ */
+
+/**
+ * The base session class used by the Auth_Yadis_Manager. This
+ * class wraps the default PHP session machinery and should be
+ * subclassed if your application doesn't use PHP sessioning.
+ *
+ * @package OpenID
+ */
+class Auth_Yadis_PHPSession {
+ /**
+ * Set a session key/value pair.
+ *
+ * @param string $name The name of the session key to add.
+ * @param string $value The value to add to the session.
+ */
+ function set($name, $value)
+ {
+ $_SESSION[$name] = $value;
+ }
+
+ /**
+ * Get a key's value from the session.
+ *
+ * @param string $name The name of the key to retrieve.
+ * @param string $default The optional value to return if the key
+ * is not found in the session.
+ * @return string $result The key's value in the session or
+ * $default if it isn't found.
+ */
+ function get($name, $default=null)
+ {
+ if (isset($_SESSION) && array_key_exists($name, $_SESSION)) {
+ return $_SESSION[$name];
+ } else {
+ return $default;
+ }
+ }
+
+ /**
+ * Remove a key/value pair from the session.
+ *
+ * @param string $name The name of the key to remove.
+ */
+ function del($name)
+ {
+ unset($_SESSION[$name]);
+ }
+
+ /**
+ * Return the contents of the session in array form.
+ */
+ function contents()
+ {
+ return $_SESSION;
+ }
+}
+
+/**
+ * A session helper class designed to translate between arrays and
+ * objects. Note that the class used must have a constructor that
+ * takes no parameters. This is not a general solution, but it works
+ * for dumb objects that just need to have attributes set. The idea
+ * is that you'll subclass this and override $this->check($data) ->
+ * bool to implement your own session data validation.
+ *
+ * @package OpenID
+ */
+class Auth_Yadis_SessionLoader {
+ /**
+ * Override this.
+ *
+ * @access private
+ */
+ function check($data)
+ {
+ return true;
+ }
+
+ /**
+ * Given a session data value (an array), this creates an object
+ * (returned by $this->newObject()) whose attributes and values
+ * are those in $data. Returns null if $data lacks keys found in
+ * $this->requiredKeys(). Returns null if $this->check($data)
+ * evaluates to false. Returns null if $this->newObject()
+ * evaluates to false.
+ *
+ * @access private
+ */
+ function fromSession($data)
+ {
+ if (!$data) {
+ return null;
+ }
+
+ $required = $this->requiredKeys();
+
+ foreach ($required as $k) {
+ if (!array_key_exists($k, $data)) {
+ return null;
+ }
+ }
+
+ if (!$this->check($data)) {
+ return null;
+ }
+
+ $data = array_merge($data, $this->prepareForLoad($data));
+ $obj = $this->newObject($data);
+
+ if (!$obj) {
+ return null;
+ }
+
+ foreach ($required as $k) {
+ $obj->$k = $data[$k];
+ }
+
+ return $obj;
+ }
+
+ /**
+ * Prepares the data array by making any necessary changes.
+ * Returns an array whose keys and values will be used to update
+ * the original data array before calling $this->newObject($data).
+ *
+ * @access private
+ */
+ function prepareForLoad($data)
+ {
+ return array();
+ }
+
+ /**
+ * Returns a new instance of this loader's class, using the
+ * session data to construct it if necessary. The object need
+ * only be created; $this->fromSession() will take care of setting
+ * the object's attributes.
+ *
+ * @access private
+ */
+ function newObject($data)
+ {
+ return null;
+ }
+
+ /**
+ * Returns an array of keys and values built from the attributes
+ * of $obj. If $this->prepareForSave($obj) returns an array, its keys
+ * and values are used to update the $data array of attributes
+ * from $obj.
+ *
+ * @access private
+ */
+ function toSession($obj)
+ {
+ $data = array();
+ foreach ($obj as $k => $v) {
+ $data[$k] = $v;
+ }
+
+ $extra = $this->prepareForSave($obj);
+
+ if ($extra && is_array($extra)) {
+ foreach ($extra as $k => $v) {
+ $data[$k] = $v;
+ }
+ }
+
+ return $data;
+ }
+
+ /**
+ * Override this.
+ *
+ * @access private
+ */
+ function prepareForSave($obj)
+ {
+ return array();
+ }
+}
+
+/**
+ * A concrete loader implementation for Auth_OpenID_ServiceEndpoints.
+ *
+ * @package OpenID
+ */
+class Auth_OpenID_ServiceEndpointLoader extends Auth_Yadis_SessionLoader {
+ function newObject($data)
+ {
+ return new Auth_OpenID_ServiceEndpoint();
+ }
+
+ function requiredKeys()
+ {
+ $obj = new Auth_OpenID_ServiceEndpoint();
+ $data = array();
+ foreach ($obj as $k => $v) {
+ $data[] = $k;
+ }
+ return $data;
+ }
+
+ function check($data)
+ {
+ return is_array($data['type_uris']);
+ }
+}
+
+/**
+ * A concrete loader implementation for Auth_Yadis_Managers.
+ *
+ * @package OpenID
+ */
+class Auth_Yadis_ManagerLoader extends Auth_Yadis_SessionLoader {
+ function requiredKeys()
+ {
+ return array('starting_url',
+ 'yadis_url',
+ 'services',
+ 'session_key',
+ '_current',
+ 'stale');
+ }
+
+ function newObject($data)
+ {
+ return new Auth_Yadis_Manager($data['starting_url'],
+ $data['yadis_url'],
+ $data['services'],
+ $data['session_key']);
+ }
+
+ function check($data)
+ {
+ return is_array($data['services']);
+ }
+
+ function prepareForLoad($data)
+ {
+ $loader = new Auth_OpenID_ServiceEndpointLoader();
+ $services = array();
+ foreach ($data['services'] as $s) {
+ $services[] = $loader->fromSession($s);
+ }
+ return array('services' => $services);
+ }
+
+ function prepareForSave($obj)
+ {
+ $loader = new Auth_OpenID_ServiceEndpointLoader();
+ $services = array();
+ foreach ($obj->services as $s) {
+ $services[] = $loader->toSession($s);
+ }
+ return array('services' => $services);
+ }
+}
+
+/**
+ * The Yadis service manager which stores state in a session and
+ * iterates over <Service> elements in a Yadis XRDS document and lets
+ * a caller attempt to use each one. This is used by the Yadis
+ * library internally.
+ *
+ * @package OpenID
+ */
+class Auth_Yadis_Manager {
+
+ /**
+ * Intialize a new yadis service manager.
+ *
+ * @access private
+ */
+ function Auth_Yadis_Manager($starting_url, $yadis_url,
+ $services, $session_key)
+ {
+ // The URL that was used to initiate the Yadis protocol
+ $this->starting_url = $starting_url;
+
+ // The URL after following redirects (the identifier)
+ $this->yadis_url = $yadis_url;
+
+ // List of service elements
+ $this->services = $services;
+
+ $this->session_key = $session_key;
+
+ // Reference to the current service object
+ $this->_current = null;
+
+ // Stale flag for cleanup if PHP lib has trouble.
+ $this->stale = false;
+ }
+
+ /**
+ * @access private
+ */
+ function length()
+ {
+ // How many untried services remain?
+ return count($this->services);
+ }
+
+ /**
+ * Return the next service
+ *
+ * $this->current() will continue to return that service until the
+ * next call to this method.
+ */
+ function nextService()
+ {
+
+ if ($this->services) {
+ $this->_current = array_shift($this->services);
+ } else {
+ $this->_current = null;
+ }
+
+ return $this->_current;
+ }
+
+ /**
+ * @access private
+ */
+ function current()
+ {
+ // Return the current service.
+ // Returns None if there are no services left.
+ return $this->_current;
+ }
+
+ /**
+ * @access private
+ */
+ function forURL($url)
+ {
+ return in_array($url, array($this->starting_url, $this->yadis_url));
+ }
+
+ /**
+ * @access private
+ */
+ function started()
+ {
+ // Has the first service been returned?
+ return $this->_current !== null;
+ }
+}
+
+/**
+ * State management for discovery.
+ *
+ * High-level usage pattern is to call .getNextService(discover) in
+ * order to find the next available service for this user for this
+ * session. Once a request completes, call .cleanup() to clean up the
+ * session state.
+ *
+ * @package OpenID
+ */
+class Auth_Yadis_Discovery {
+
+ /**
+ * @access private
+ */
+ var $DEFAULT_SUFFIX = 'auth';
+
+ /**
+ * @access private
+ */
+ var $PREFIX = '_yadis_services_';
+
+ /**
+ * Initialize a discovery object.
+ *
+ * @param Auth_Yadis_PHPSession $session An object which
+ * implements the Auth_Yadis_PHPSession API.
+ * @param string $url The URL on which to attempt discovery.
+ * @param string $session_key_suffix The optional session key
+ * suffix override.
+ */
+ function Auth_Yadis_Discovery($session, $url,
+ $session_key_suffix = null)
+ {
+ /// Initialize a discovery object
+ $this->session = $session;
+ $this->url = $url;
+ if ($session_key_suffix === null) {
+ $session_key_suffix = $this->DEFAULT_SUFFIX;
+ }
+
+ $this->session_key_suffix = $session_key_suffix;
+ $this->session_key = $this->PREFIX . $this->session_key_suffix;
+ }
+
+ /**
+ * Return the next authentication service for the pair of
+ * user_input and session. This function handles fallback.
+ */
+ function getNextService($discover_cb, $fetcher)
+ {
+ $manager = $this->getManager();
+ if (!$manager || (!$manager->services)) {
+ $this->destroyManager();
+
+ list($yadis_url, $services) = call_user_func_array($discover_cb,
+ array(
+ $this->url,
+ &$fetcher,
+ ));
+
+ $manager = $this->createManager($services, $yadis_url);
+ }
+
+ if ($manager) {
+ $loader = new Auth_Yadis_ManagerLoader();
+ $service = $manager->nextService();
+ $this->session->set($this->session_key,
+ serialize($loader->toSession($manager)));
+ } else {
+ $service = null;
+ }
+
+ return $service;
+ }
+
+ /**
+ * Clean up Yadis-related services in the session and return the
+ * most-recently-attempted service from the manager, if one
+ * exists.
+ *
+ * @param $force True if the manager should be deleted regardless
+ * of whether it's a manager for $this->url.
+ */
+ function cleanup($force=false)
+ {
+ $manager = $this->getManager($force);
+ if ($manager) {
+ $service = $manager->current();
+ $this->destroyManager($force);
+ } else {
+ $service = null;
+ }
+
+ return $service;
+ }
+
+ /**
+ * @access private
+ */
+ function getSessionKey()
+ {
+ // Get the session key for this starting URL and suffix
+ return $this->PREFIX . $this->session_key_suffix;
+ }
+
+ /**
+ * @access private
+ *
+ * @param $force True if the manager should be returned regardless
+ * of whether it's a manager for $this->url.
+ */
+ function getManager($force=false)
+ {
+ // Extract the YadisServiceManager for this object's URL and
+ // suffix from the session.
+
+ $manager_str = $this->session->get($this->getSessionKey());
+ $manager = null;
+
+ if ($manager_str !== null) {
+ $loader = new Auth_Yadis_ManagerLoader();
+ $manager = $loader->fromSession(unserialize($manager_str));
+ }
+
+ if ($manager && ($manager->forURL($this->url) || $force)) {
+ return $manager;
+ }
+ }
+
+ /**
+ * @access private
+ */
+ function createManager($services, $yadis_url = null)
+ {
+ $key = $this->getSessionKey();
+ if ($this->getManager()) {
+ return $this->getManager();
+ }
+
+ if ($services) {
+ $loader = new Auth_Yadis_ManagerLoader();
+ $manager = new Auth_Yadis_Manager($this->url, $yadis_url,
+ $services, $key);
+ $this->session->set($this->session_key,
+ serialize($loader->toSession($manager)));
+ return $manager;
+ }
+ }
+
+ /**
+ * @access private
+ *
+ * @param $force True if the manager should be deleted regardless
+ * of whether it's a manager for $this->url.
+ */
+ function destroyManager($force=false)
+ {
+ if ($this->getManager($force) !== null) {
+ $key = $this->getSessionKey();
+ $this->session->del($key);
+ }
+ }
+}
+
diff --git a/inc/simplesamlphp/vendor/openid/php-openid/Auth/Yadis/Misc.php b/inc/simplesamlphp/vendor/openid/php-openid/Auth/Yadis/Misc.php
new file mode 100644
index 0000000..a5afa8e
--- /dev/null
+++ b/inc/simplesamlphp/vendor/openid/php-openid/Auth/Yadis/Misc.php
@@ -0,0 +1,58 @@
+<?php
+
+/**
+ * Miscellaneous utility values and functions for OpenID and Yadis.
+ *
+ * @package OpenID
+ * @author JanRain, Inc. <openid@janrain.com>
+ * @copyright 2005-2008 Janrain, Inc.
+ * @license http://www.apache.org/licenses/LICENSE-2.0 Apache
+ */
+
+function Auth_Yadis_getUCSChars()
+{
+ return array(
+ array(0xA0, 0xD7FF),
+ array(0xF900, 0xFDCF),
+ array(0xFDF0, 0xFFEF),
+ array(0x10000, 0x1FFFD),
+ array(0x20000, 0x2FFFD),
+ array(0x30000, 0x3FFFD),
+ array(0x40000, 0x4FFFD),
+ array(0x50000, 0x5FFFD),
+ array(0x60000, 0x6FFFD),
+ array(0x70000, 0x7FFFD),
+ array(0x80000, 0x8FFFD),
+ array(0x90000, 0x9FFFD),
+ array(0xA0000, 0xAFFFD),
+ array(0xB0000, 0xBFFFD),
+ array(0xC0000, 0xCFFFD),
+ array(0xD0000, 0xDFFFD),
+ array(0xE1000, 0xEFFFD)
+ );
+}
+
+function Auth_Yadis_getIPrivateChars()
+{
+ return array(
+ array(0xE000, 0xF8FF),
+ array(0xF0000, 0xFFFFD),
+ array(0x100000, 0x10FFFD)
+ );
+}
+
+function Auth_Yadis_pct_escape_unicode($char_match)
+{
+ $c = $char_match[0];
+ $result = "";
+ for ($i = 0; $i < strlen($c); $i++) {
+ $result .= "%".sprintf("%X", ord($c[$i]));
+ }
+ return $result;
+}
+
+function Auth_Yadis_startswith($s, $stuff)
+{
+ return strpos($s, $stuff) === 0;
+}
+
diff --git a/inc/s