lasso/lasso/xml/lib_status_response.c

/* $Id$ 
 *
 * 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/xml/lib_status_response.h>
#include <libxml/uri.h>

/*
Schema fragment (liberty-idff-protocols-schema-v1.2.xsd):

<xs:complexType name="StatusResponseType">
  <xs:complexContent>
    <xs:extension base="samlp:ResponseAbstractType">
      <xs:sequence>
        <xs:element ref="Extension" minOccurs="0" maxOccurs="unbounded"/>
        <xs:element ref="ProviderID"/>
        <xs:element ref="samlp:Status"/>
        <xs:element ref="RelayState" minOccurs="0"/>
      </xs:sequence>
    </xs:extension>
  </xs:complexContent>
</xs:complexType>

<xs:element name="ProviderID" type="md:entityIDType"/>
<xs:element name="RelayState" type="xs:string"/>

From liberty-metadata-v1.0.xsd:
<xs:simpleType name="entityIDType">
  <xs:restriction base="xs:anyURI">
    <xs:maxLength value="1024" id="maxlengthid"/>
  </xs:restriction>
</xs:simpleType>

*/

/*****************************************************************************/
/* private methods                                                           */
/*****************************************************************************/

static LassoNodeClass *parent_class = NULL;

static xmlNode*
get_xmlNode(LassoNode *node)
{
	xmlNode *xmlnode;
	LassoLibStatusResponse *response = LASSO_LIB_STATUS_RESPONSE(node);

	xmlnode = parent_class->get_xmlNode(node);
	xmlNodeSetName(xmlnode, "StatusResponse");
	xmlSetNs(xmlnode, xmlNewNs(xmlnode, LASSO_LIB_HREF, LASSO_LIB_PREFIX));

	if (response->ProviderID)
		xmlNewTextChild(xmlnode, NULL, "ProviderID", response->ProviderID);

	if (response->Status)
		xmlAddChild(xmlnode, lasso_node_get_xmlNode(LASSO_NODE(response->Status)));

	if (response->RelayState)
		xmlNewTextChild(xmlnode, NULL, "RelayState", response->RelayState);

	return xmlnode;
}

static void
init_from_xml(LassoNode *node, xmlNode *xmlnode)
{
	LassoLibStatusResponse *response = LASSO_LIB_STATUS_RESPONSE(node);
	xmlNode *t;

	parent_class->init_from_xml(node, xmlnode);
	t = xmlnode->children;
	while (t) {
		if (t->type == XML_ELEMENT_NODE && strcmp(t->name, "ProviderID") == 0)
			response->ProviderID = xmlNodeGetContent(t);
		if (t->type == XML_ELEMENT_NODE && strcmp(t->name, "Status") == 0)
			response->Status = LASSO_SAMLP_STATUS(lasso_node_new_from_xmlNode(t));
		if (t->type == XML_ELEMENT_NODE && strcmp(t->name, "RelayState") == 0)
			response->RelayState = xmlNodeGetContent(t);
		t = t->next;
	}
}

static gchar*
build_query(LassoNode *node)
{
	char *str, *t;
	GString *s;
	LassoLibStatusResponse *response = LASSO_LIB_STATUS_RESPONSE(node);

	str = parent_class->build_query(node);
	s = g_string_new(str);
	g_free(str);

	/* XXX Extension */
	if (response->ProviderID) {
		t = xmlURIEscapeStr(response->ProviderID, NULL);
		g_string_append_printf(s, "&ProviderID=%s", t);
		xmlFree(t);
	}
	if (response->RelayState) {
		t = xmlURIEscapeStr(response->RelayState, NULL);
		g_string_append_printf(s, "&RelayState=%s", t);
		xmlFree(t);
	}
	if (response->Status) {
		t = xmlURIEscapeStr(response->Status->StatusCode->Value, NULL);
		g_string_append_printf(s, "&Value=%s", t);
		xmlFree(t);
	}

	str = s->str;
	g_string_free(s, FALSE);

	return str;
}

static void
init_from_query(LassoNode *node, char **query_fields)
{
	LassoLibStatusResponse *response = LASSO_LIB_STATUS_RESPONSE(node);
	int i;
	char *t;

	for (i=0; (t=query_fields[i]); i++) {
		if (g_str_has_prefix(t, "ProviderID=")) {
			response->ProviderID = g_strdup(t+11);
			continue;
		}
		if (g_str_has_prefix(t, "RelayState=")) {
			response->RelayState = g_strdup(t+11);
			continue;
		}
		if (g_str_has_prefix(t, "Value=")) {
			response->Status = lasso_samlp_status_new();
			response->Status->StatusCode = lasso_samlp_status_code_new();
			response->Status->StatusCode->Value = g_strdup(t+6);
			continue;
		}
	}
	parent_class->init_from_query(node, query_fields);
}



/*****************************************************************************/
/* instance and class init functions                                         */
/*****************************************************************************/

static void
instance_init(LassoLibStatusResponse *node)
{
	node->ProviderID = NULL;
	node->Status = NULL;
	node->RelayState = NULL;
}

static void
class_init(LassoLibStatusResponseClass *klass)
{
	parent_class = g_type_class_peek_parent(klass);
	LASSO_NODE_CLASS(klass)->get_xmlNode = get_xmlNode;
	LASSO_NODE_CLASS(klass)->init_from_xml = init_from_xml;
	LASSO_NODE_CLASS(klass)->build_query = build_query;
	LASSO_NODE_CLASS(klass)->init_from_query = init_from_query;
}

GType
lasso_lib_status_response_get_type()
{
	static GType status_response_type = 0;

	if (!status_response_type) {
		static const GTypeInfo status_response_info = {
			sizeof (LassoLibStatusResponseClass),
			NULL,
			NULL,
			(GClassInitFunc) class_init,
			NULL,
			NULL,
			sizeof(LassoLibStatusResponse),
			0,
			(GInstanceInitFunc) instance_init,
		};

		status_response_type = g_type_register_static(LASSO_TYPE_SAMLP_RESPONSE_ABSTRACT,
				"LassoLibStatusResponse", &status_response_info, 0);
	}
	return status_response_type;
}

LassoNode* lasso_lib_status_response_new()
{
	return LASSO_NODE(g_object_new(LASSO_TYPE_LIB_STATUS_RESPONSE, NULL));
}