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/**
* Licensed to the University Corporation for Advanced Internet
* Development, Inc. (UCAID) under one or more contributor license
* agreements. See the NOTICE file distributed with this work for
* additional information regarding copyright ownership.
*
* UCAID licenses this file to you under the Apache License,
* Version 2.0 (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the
* License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
* either express or implied. See the License for the specific
* language governing permissions and limitations under the License.
*/
/**
* SAML2SOAPDecoder.cpp
*
* SAML 2.0 SOAP binding message decoder.
*/
#include "internal.h"
#include "exceptions.h"
#include "binding/SecurityPolicy.h"
#include "saml2/binding/SAML2MessageDecoder.h"
#include "saml2/core/Protocols.h"
#include <xmltooling/logging.h>
#include <xmltooling/XMLToolingConfig.h>
#include <xmltooling/io/GenericRequest.h>
#include <xmltooling/soap/SOAP.h>
#include <xmltooling/util/NDC.h>
#include <xmltooling/util/ParserPool.h>
#include <xmltooling/validation/ValidatorSuite.h>
using namespace opensaml::saml2p;
using namespace opensaml;
using namespace soap11;
using namespace xmltooling::logging;
using namespace xmltooling;
using namespace std;
namespace opensaml {
namespace saml2p {
class SAML_DLLLOCAL SAML2SOAPDecoder : public SAML2MessageDecoder
{
public:
SAML2SOAPDecoder() {}
virtual ~SAML2SOAPDecoder() {}
bool isUserAgentPresent() const {
return false;
}
xmltooling::XMLObject* decode(
std::string& relayState,
const GenericRequest& genericRequest,
GenericResponse* genericResponse,
SecurityPolicy& policy
) const;
};
MessageDecoder* SAML_DLLLOCAL SAML2SOAPDecoderFactory(const DOMElement* const &, bool)
{
return new SAML2SOAPDecoder();
}
};
};
XMLObject* SAML2SOAPDecoder::decode(
string&,
const GenericRequest& genericRequest,
GenericResponse*,
SecurityPolicy& policy
) const
{
#ifdef _DEBUG
xmltooling::NDC ndc("decode");
#endif
Category& log = Category::getInstance(SAML_LOGCAT ".MessageDecoder.SAML2SOAP");
log.debug("validating input");
string s = genericRequest.getContentType();
if (s.find("text/xml") == string::npos || s.find("application/x-www-form-urlencoded") != string::npos) {
log.warn("ignoring incorrect content type (%s)", s.c_str() ? s.c_str() : "none");
throw BindingException("Invalid content type for SOAP message.");
}
const char* data = genericRequest.getRequestBody();
if (!data)
throw BindingException("SOAP message had an empty request body.");
log.debug("received message:\n%s", data);
istringstream is(data);
// Parse and bind the document into an XMLObject.
DOMDocument* doc = (policy.getValidating() ? XMLToolingConfig::getConfig().getValidatingParser()
: XMLToolingConfig::getConfig().getParser()).parse(is);
XercesJanitor<DOMDocument> janitor(doc);
auto_ptr<XMLObject> xmlObject(XMLObjectBuilder::buildOneFromElement(doc->getDocumentElement(), true));
janitor.release();
Envelope* env = dynamic_cast<Envelope*>(xmlObject.get());
if (!env)
throw BindingException("Decoded message was not a SOAP 1.1 Envelope.");
SchemaValidators.validate(env);
Body* body = env->getBody();
if (body && body->hasChildren()) {
RequestAbstractType* request = dynamic_cast<RequestAbstractType*>(body->getUnknownXMLObjects().front());
if (request) {
// Run through the policy at two layers.
extractMessageDetails(*env, genericRequest, samlconstants::SAML20P_NS, policy);
policy.evaluate(*env, &genericRequest);
policy.reset(true);
extractMessageDetails(*request, genericRequest, samlconstants::SAML20P_NS, policy);
policy.evaluate(*request, &genericRequest);
xmlObject.release();
body->detach(); // frees Envelope
request->detach(); // frees Body
return request;
}
}
throw BindingException("SOAP Envelope did not contain a SAML Request.");
}
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