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lasso/lasso/id-ff/name_identifier_mapping.c

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/* $Id$
*
* Lasso - A free implementation of the Liberty Alliance specifications.
*
* Copyright (C) 2004 Entr'ouvert
* http://lasso.entrouvert.org
*
* Authors: Nicolas Clapies <nclapies@entrouvert.com>
* Valery Febvre <vfebvre@easter-eggs.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <lasso/environs/name_identifier_mapping.h>
/*****************************************************************************/
/* public methods */
/*****************************************************************************/
gchar *
lasso_name_identifier_mapping_dump(LassoNameIdentifierMapping *mapping)
{
gchar *dump;
g_return_val_if_fail(LASSO_IS_NAME_IDENTIFIER_MAPPING(mapping), NULL);
return(dump);
}
gint
lasso_name_identifier_mapping_build_request_msg(LassoNameIdentifierMapping *mapping)
{
LassoProfileContext *profileContext;
LassoProvider *provider;
xmlChar *protocolProfile;
GError *err = NULL;
gint ret = 0;
g_return_val_if_fail(LASSO_IS_NAME_IDENTIFIER_MAPPING(mapping), -1);
profileContext = LASSO_PROFILE_CONTEXT(mapping);
/* get the prototocol profile of the name_identifier_mapping */
provider = lasso_server_get_provider(profileContext->server, profileContext->remote_providerID);
if(provider==NULL){
message(G_LOG_LEVEL_ERROR, "Provider %s not found\n", profileContext->remote_providerID);
return(-2);
}
protocolProfile = lasso_provider_get_nameIdentifierMappingProtocolProfile(provider, &err);
if(err != NULL){
message(G_LOG_LEVEL_ERROR, err->message);
ret = err->code;
g_error_free(err);
return (ret);
}
if(xmlStrEqual(protocolProfile, lassoLibProtocolProfileSloSpSoap) || xmlStrEqual(protocolProfile, lassoLibProtocolProfileSloIdpSoap)){
debug("building a soap request message\n");
profileContext->request_type = lassoHttpMethodSoap;
profileContext->msg_url = lasso_provider_get_nameIdentifierMappingServiceURL(provider, NULL);
profileContext->msg_body = lasso_node_export_to_soap(profileContext->request);
}
else if(xmlStrEqual(protocolProfile,lassoLibProtocolProfileSloSpHttp)||xmlStrEqual(protocolProfile,lassoLibProtocolProfileSloIdpHttp)){
debug("building a http get request message\n");
profileContext->request_type = lassoHttpMethodRedirect;
profileContext->msg_url = lasso_node_export_to_query(profileContext->request,
profileContext->server->signature_method,
profileContext->server->private_key);
profileContext->msg_body = NULL;
}
return(0);
}
gint
lasso_name_identifier_mapping_build_response_msg(LassoNameIdentifierMapping *mapping)
{
LassoProfileContext *profileContext;
LassoProvider *provider;
xmlChar *protocolProfile;
GError *err = NULL;
gint ret = 0;
g_return_val_if_fail(LASSO_IS_NAME_IDENTIFIER_MAPPING(mapping), -1);
profileContext = LASSO_PROFILE_CONTEXT(mapping);
provider = lasso_server_get_provider(profileContext->server, profileContext->remote_providerID);
if(provider==NULL){
message(G_LOG_LEVEL_ERROR, "Provider %s not found\n", profileContext->remote_providerID);
return(-2);
}
protocolProfile = lasso_provider_get_nameIdentifierMappingProtocolProfile(provider, &err);
if(err != NULL){
message(G_LOG_LEVEL_ERROR, err->message);
ret = err->code;
g_error_free(err);
return(ret);
}
if(xmlStrEqual(protocolProfile, lassoLibProtocolProfileSloSpSoap) || xmlStrEqual(protocolProfile, lassoLibProtocolProfileSloIdpSoap)){
debug("building a soap response message\n");
profileContext->msg_url = lasso_provider_get_nameIdentifierMappingServiceURL(provider, NULL);
profileContext->msg_body = lasso_node_export_to_soap(profileContext->response);
}
else if(xmlStrEqual(protocolProfile,lassoLibProtocolProfileSloSpHttp)||xmlStrEqual(protocolProfile,lassoLibProtocolProfileSloIdpHttp)){
debug("building a http get response message\n");
profileContext->response_type = lassoHttpMethodRedirect;
profileContext->msg_url = lasso_node_export_to_query(profileContext->response,
profileContext->server->signature_method,
profileContext->server->private_key);
profileContext->msg_body = NULL;
}
return(0);
}
gint
lasso_name_identifier_mapping_init_request(LassoNameIdentifierMapping *mapping,
gchar *remote_providerID)
{
LassoProfileContext *profileContext;
LassoNode *nameIdentifier;
LassoIdentity *identity;
xmlChar *content, *nameQualifier, *format;
g_return_val_if_fail(LASSO_IS_NAME_IDENTIFIER_MAPPING(mapping), -1);
g_return_val_if_fail(remote_providerID!=NULL, -2);
profileContext = LASSO_PROFILE_CONTEXT(mapping);
profileContext->remote_providerID = remote_providerID;
/* get identity */
identity = lasso_user_get_identity(profileContext->user, profileContext->remote_providerID);
if(identity==NULL){
message(G_LOG_LEVEL_ERROR, "error, identity not found\n");
return(-3);
}
/* get the name identifier (!!! depend on the provider type : SP or IDP !!!)*/
switch(profileContext->provider_type){
case lassoProviderTypeSp:
printf("service provider\n");
nameIdentifier = LASSO_NODE(lasso_identity_get_local_nameIdentifier(identity));
if(!nameIdentifier)
nameIdentifier = LASSO_NODE(lasso_identity_get_remote_nameIdentifier(identity));
break;
case lassoProviderTypeIdp:
printf("identity provider\n");
/* get the next assertion ( next authenticated service provider ) */
nameIdentifier = LASSO_NODE(lasso_identity_get_remote_nameIdentifier(identity));
if(!nameIdentifier)
nameIdentifier = LASSO_NODE(lasso_identity_get_local_nameIdentifier(identity));
break;
default:
message(G_LOG_LEVEL_ERROR, "Unknown provider type\n");
return(-4);
}
if(!nameIdentifier){
message(G_LOG_LEVEL_ERROR, "Name identifier not found\n");
return(-5);
}
/* build the request */
content = lasso_node_get_content(nameIdentifier);
nameQualifier = lasso_node_get_attr_value(nameIdentifier, "NameQualifier", NULL);
format = lasso_node_get_attr_value(nameIdentifier, "Format", NULL);
profileContext->request = lasso_name_identifier_mapping_request_new(profileContext->server->providerID,
content,
nameQualifier,
format);
g_return_val_if_fail(profileContext->request!=NULL, -6);
return(0);
}
gint
lasso_name_identifier_mapping_process_request_msg(LassoNameIdentifierMapping *mapping,
gchar *request_msg,
lassoHttpMethods request_method)
{
LassoProfileContext *profileContext;
LassoIdentity *identity;
LassoNode *nameIdentifier;
LassoNode *statusCode;
LassoNodeClass *statusCode_class;
xmlChar *remote_providerID;
g_return_val_if_fail(LASSO_IS_NAME_IDENTIFIER_MAPPING(mapping), -1);
g_return_val_if_fail(request_msg!=NULL, -2);
profileContext = LASSO_PROFILE_CONTEXT(mapping);
switch(request_method){
case lassoHttpMethodSoap:
debug("build a name_identifier_mapping request from soap msg\n");
profileContext->request = lasso_name_identifier_mapping_request_new_from_soap(request_msg);
break;
case lassoHttpMethodRedirect:
debug("build a name_identifier_mapping request from query msg\n");
profileContext->request = lasso_name_identifier_mapping_request_new_from_query(request_msg);
break;
case lassoHttpMethodGet:
message(G_LOG_LEVEL_WARNING, "TODO, implement the get method\n");
break;
default:
message(G_LOG_LEVEL_ERROR, "Unknown request method\n");
return(-3);
}
/* set the remote provider id from the request */
remote_providerID = lasso_node_get_child_content(profileContext->request, "ProviderID", NULL);
profileContext->remote_providerID = remote_providerID;
/* set Name_Identifier_MappingResponse */
profileContext->response = lasso_name_identifier_mapping_response_new(profileContext->server->providerID,
lassoSamlStatusCodeSuccess,
profileContext->request);
g_return_val_if_fail(profileContext->response!=NULL, -4);
statusCode = lasso_node_get_child(profileContext->response, "StatusCode", NULL);
statusCode_class = LASSO_NODE_GET_CLASS(statusCode);
nameIdentifier = lasso_node_get_child(profileContext->request, "NameIdentifier", NULL);
if(nameIdentifier==NULL){
statusCode_class->set_prop(statusCode, "Value", lassoLibStatusCodeFederationDoesNotExist);
return(-5);
}
remote_providerID = lasso_node_get_child_content(profileContext->request, "ProviderID", NULL);
/* Verify federation */
identity = lasso_user_get_identity(profileContext->user, remote_providerID);
if(identity==NULL){
message(G_LOG_LEVEL_WARNING, "No identity for %s\n", remote_providerID);
statusCode_class->set_prop(statusCode, "Value", lassoLibStatusCodeFederationDoesNotExist);
return(-6);
}
if(lasso_identity_verify_nameIdentifier(identity, nameIdentifier)==FALSE){
message(G_LOG_LEVEL_WARNING, "No name identifier for %s\n", remote_providerID);
statusCode_class->set_prop(statusCode, "Value", lassoLibStatusCodeFederationDoesNotExist);
return(-7);
}
return(0);
}
gint
lasso_name_identifier_mapping_process_response_msg(LassoNameIdentifierMapping *mapping,
gchar *response_msg,
lassoHttpMethods response_method)
{
LassoProfileContext *profileContext;
xmlChar *statusCodeValue;
LassoNode *statusCode;
GError *err = NULL;
gint ret = 0;
g_return_val_if_fail(LASSO_IS_NAME_IDENTIFIER_MAPPING(mapping), -1);
g_return_val_if_fail(response_msg != NULL, -2);
profileContext = LASSO_PROFILE_CONTEXT(mapping);
/* parse NameIdentifierMappingResponse */
switch(response_method){
case lassoHttpMethodSoap:
profileContext->response = lasso_name_identifier_mapping_response_new_from_soap(response_msg);
default:
message(G_LOG_LEVEL_ERROR, "Unknown response method\n");
return(-3);
}
statusCode = lasso_node_get_child(profileContext->response, "StatusCode", NULL);
statusCodeValue = lasso_node_get_attr_value(statusCode, "Value", &err);
if (err == NULL) {
if(!xmlStrEqual(statusCodeValue, lassoSamlStatusCodeSuccess)) {
return(-4);
}
}
else {
message(G_LOG_LEVEL_ERROR, err->message);
ret = err->code;
g_error_free(err);
return (ret);
}
return(0);
}
/*****************************************************************************/
/* instance and class init functions */
/*****************************************************************************/
static void
lasso_name_identifier_mapping_instance_init(LassoNameIdentifierMapping *name_identifier_mapping)
{
}
static void
lasso_name_identifier_mapping_class_init(LassoNameIdentifierMappingClass *klass)
{
}
GType lasso_name_identifier_mapping_get_type() {
static GType this_type = 0;
if (!this_type) {
static const GTypeInfo this_info = {
sizeof (LassoNameIdentifierMappingClass),
NULL,
NULL,
(GClassInitFunc) lasso_name_identifier_mapping_class_init,
NULL,
NULL,
sizeof(LassoNameIdentifierMapping),
0,
(GInstanceInitFunc) lasso_name_identifier_mapping_instance_init,
};
this_type = g_type_register_static(LASSO_TYPE_PROFILE_CONTEXT,
"LassoNameIdentifierMapping",
&this_info, 0);
}
return this_type;
}
LassoNameIdentifierMapping *
lasso_name_identifier_mapping_new(LassoServer *server,
LassoUser *user,
lassoProviderTypes provider_type)
{
LassoNameIdentifierMapping *mapping;
g_return_val_if_fail(LASSO_IS_SERVER(server), NULL);
g_return_val_if_fail(LASSO_IS_USER(user), NULL);
/* set the name_identifier_mapping object */
mapping = g_object_new(LASSO_TYPE_NAME_IDENTIFIER_MAPPING,
"server", server,
"user", user,
"provider_type", provider_type,
NULL);
return(mapping);
}
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