-/*
- * Copyright 2001-2006 Internet2
- *
- * Licensed 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
+/**
+ * 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.
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * 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
*
- * 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.
+ * 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.
*/
/**
* SAML2POSTEncoder.cpp
*
- * SAML 2.0 HTTP-POST binding message encoder
+ * SAML 2.0 HTTP-POST binding message encoder.
*/
#include "internal.h"
#include "exceptions.h"
-#include "saml2/binding/SAML2POSTEncoder.h"
+#include "binding/MessageEncoder.h"
+#include "signature/ContentReference.h"
#include "saml2/core/Protocols.h"
-#include <log4cpp/Category.hh>
+#include <fstream>
+#include <sstream>
#include <xercesc/util/Base64.hpp>
+#include <xsec/dsig/DSIGConstants.hpp>
+#include <xmltooling/logging.h>
+#include <xmltooling/XMLToolingConfig.h>
+#include <xmltooling/io/HTTPResponse.h>
+#include <xmltooling/security/Credential.h>
+#include <xmltooling/signature/KeyInfo.h>
+#include <xmltooling/signature/Signature.h>
#include <xmltooling/util/NDC.h>
+#include <xmltooling/util/PathResolver.h>
+#include <xmltooling/util/TemplateEngine.h>
using namespace opensaml::saml2p;
+using namespace opensaml::saml2md;
using namespace opensaml;
using namespace xmlsignature;
+using namespace xmltooling::logging;
using namespace xmltooling;
-using namespace log4cpp;
using namespace std;
namespace opensaml {
namespace saml2p {
- MessageEncoder* SAML_DLLLOCAL SAML2POSTEncoderFactory(const DOMElement* const & e)
+ class SAML_DLLLOCAL SAML2POSTEncoder : public MessageEncoder
+ {
+ public:
+ SAML2POSTEncoder(const DOMElement* e, const XMLCh* ns, bool simple=false);
+ virtual ~SAML2POSTEncoder() {}
+
+ const XMLCh* getProtocolFamily() const {
+ return samlconstants::SAML20P_NS;
+ }
+
+ long encode(
+ GenericResponse& genericResponse,
+ XMLObject* xmlObject,
+ const char* destination,
+ const EntityDescriptor* recipient=nullptr,
+ const char* relayState=nullptr,
+ const ArtifactGenerator* artifactGenerator=nullptr,
+ const Credential* credential=nullptr,
+ const XMLCh* signatureAlg=nullptr,
+ const XMLCh* digestAlg=nullptr
+ ) const;
+
+ private:
+ string m_template;
+ bool m_simple;
+ };
+
+ MessageEncoder* SAML_DLLLOCAL SAML2POSTEncoderFactory(const pair<const DOMElement*,const XMLCh*>& p)
{
- return new SAML2POSTEncoder(e);
+ return new SAML2POSTEncoder(p.first, p.second, false);
+ }
+
+ MessageEncoder* SAML_DLLLOCAL SAML2POSTSimpleSignEncoderFactory(const pair<const DOMElement*,const XMLCh*>& p)
+ {
+ return new SAML2POSTEncoder(p.first, p.second, true);
}
};
};
-SAML2POSTEncoder::SAML2POSTEncoder(const DOMElement* e) {}
+static const XMLCh _template[] = UNICODE_LITERAL_8(t,e,m,p,l,a,t,e);
-SAML2POSTEncoder::~SAML2POSTEncoder() {}
+SAML2POSTEncoder::SAML2POSTEncoder(const DOMElement* e, const XMLCh* ns, bool simple)
+ : m_template(XMLHelper::getAttrString(e, "bindingTemplate.html", _template, ns)), m_simple(simple)
+{
+ if (m_template.empty())
+ throw XMLToolingException("SAML2POSTEncoder requires template XML attribute.");
+ XMLToolingConfig::getConfig().getPathResolver()->resolve(m_template, PathResolver::XMLTOOLING_CFG_FILE);
+}
-void SAML2POSTEncoder::encode(
- map<string,string>& outputFields,
+long SAML2POSTEncoder::encode(
+ GenericResponse& genericResponse,
XMLObject* xmlObject,
- const char* recipientID,
+ const char* destination,
+ const EntityDescriptor* recipient,
const char* relayState,
- const CredentialResolver* credResolver,
- const XMLCh* sigAlgorithm
+ const ArtifactGenerator* artifactGenerator,
+ const Credential* credential,
+ const XMLCh* signatureAlg,
+ const XMLCh* digestAlg
) const
{
#ifdef _DEBUG
xmltooling::NDC ndc("encode");
#endif
- Category& log = Category::getInstance(SAML_LOGCAT".MessageEncoder.SAML2POST");
+ Category& log = Category::getInstance(SAML_LOGCAT ".MessageEncoder.SAML2POST");
log.debug("validating input");
-
- outputFields.clear();
+
+ TemplateEngine* engine = XMLToolingConfig::getConfig().getTemplateEngine();
+ if (!engine || !destination)
+ throw BindingException("Encoding message using POST requires a TemplateEngine instance and a destination.");
+ HTTPResponse::sanitizeURL(destination);
if (xmlObject->getParent())
throw BindingException("Cannot encode XML content with parent.");
- StatusResponseType* response = NULL;
+ StatusResponseType* response = nullptr;
RequestAbstractType* request = dynamic_cast<RequestAbstractType*>(xmlObject);
- if (!request)
+ if (!request) {
response = dynamic_cast<StatusResponseType*>(xmlObject);
- if (!response)
- throw BindingException("XML content for SAML 2.0 HTTP-POST Encoder must be a SAML 2.0 protocol message.");
+ if (!response)
+ throw BindingException("XML content for SAML 2.0 HTTP-POST Encoder must be a SAML 2.0 protocol message.");
+ }
- DOMElement* rootElement = NULL;
- if (credResolver) {
+ DOMElement* rootElement = nullptr;
+ if (credential && !m_simple) {
// Signature based on native XML signing.
if (request ? request->getSignature() : response->getSignature()) {
log.debug("message already signed, skipping signature operation");
log.debug("signing and marshalling the message");
// Build a Signature.
- Signature* sig = buildSignature(credResolver, sigAlgorithm);
-
- // Append Signature.
+ Signature* sig = SignatureBuilder::buildSignature();
request ? request->setSignature(sig) : response->setSignature(sig);
-
+ if (signatureAlg)
+ sig->setSignatureAlgorithm(signatureAlg);
+ if (digestAlg) {
+ opensaml::ContentReference* cr = dynamic_cast<opensaml::ContentReference*>(sig->getContentReference());
+ if (cr)
+ cr->setDigestAlgorithm(digestAlg);
+ }
+
// Sign response while marshalling.
vector<Signature*> sigs(1,sig);
- rootElement = xmlObject->marshall((DOMDocument*)NULL,&sigs);
+ rootElement = xmlObject->marshall((DOMDocument*)nullptr,&sigs,credential);
}
}
else {
log.debug("marshalling the message");
- rootElement = xmlObject->marshall();
+ rootElement = xmlObject->marshall((DOMDocument*)nullptr);
}
- string xmlbuf;
- XMLHelper::serialize(rootElement, xmlbuf);
- unsigned int len=0;
- XMLByte* out=Base64::encode(reinterpret_cast<const XMLByte*>(xmlbuf.data()),xmlbuf.size(),&len);
- if (out) {
- xmlbuf.erase();
- xmlbuf.append(reinterpret_cast<char*>(out),len);
- XMLString::release(&out);
+ // Serialize the message.
+ TemplateEngine::TemplateParameters pmap;
+ string& msg = pmap.m_map[(request ? "SAMLRequest" : "SAMLResponse")];
+ XMLHelper::serialize(rootElement, msg);
+ log.debug("marshalled message:\n%s", msg.c_str());
+
+ // SimpleSign.
+ if (credential && m_simple) {
+ log.debug("applying simple signature to message data");
+ string input = (request ? "SAMLRequest=" : "SAMLResponse=") + msg;
+ if (relayState && *relayState)
+ input = input + "&RelayState=" + relayState;
+ if (!signatureAlg)
+ signatureAlg = DSIGConstants::s_unicodeStrURIRSA_SHA1;
+ auto_ptr_char alg(signatureAlg);
+ pmap.m_map["SigAlg"] = alg.get();
+ input = input + "&SigAlg=" + alg.get();
+
+ char sigbuf[1024];
+ memset(sigbuf,0,sizeof(sigbuf));
+ Signature::createRawSignature(credential->getPrivateKey(), signatureAlg, input.c_str(), input.length(), sigbuf, sizeof(sigbuf)-1);
+ pmap.m_map["Signature"] = sigbuf;
+
+ auto_ptr<KeyInfo> keyInfo(credential->getKeyInfo());
+ if (keyInfo.get()) {
+ string& kstring = pmap.m_map["KeyInfo"];
+ XMLHelper::serialize(keyInfo->marshall((DOMDocument*)nullptr), kstring);
+ xsecsize_t len=0;
+ XMLByte* out=Base64::encode(reinterpret_cast<const XMLByte*>(kstring.data()),kstring.size(),&len);
+ if (!out)
+ throw BindingException("Base64 encoding of XML failed.");
+ kstring.erase();
+ kstring.append(reinterpret_cast<char*>(out),len);
+#ifdef OPENSAML_XERCESC_HAS_XMLBYTE_RELEASE
+ XMLString::release(&out);
+#else
+ XMLString::release((char**)&out);
+#endif
+ }
}
- else {
+
+ // Base64 the message.
+ xsecsize_t len=0;
+ XMLByte* out=Base64::encode(reinterpret_cast<const XMLByte*>(msg.data()),msg.size(),&len);
+ if (!out)
throw BindingException("Base64 encoding of XML failed.");
- }
+ msg.erase();
+ msg.append(reinterpret_cast<char*>(out),len);
+#ifdef OPENSAML_XERCESC_HAS_XMLBYTE_RELEASE
+ XMLString::release(&out);
+#else
+ XMLString::release((char**)&out);
+#endif
- // Pass back output fields.
- outputFields[request ? "SAMLRequest" : "SAMLResponse"] = xmlbuf;
- if (relayState)
- outputFields["RelayState"] = relayState;
+ // Push the rest of it into template and send result to client.
+ log.debug("message encoded, sending HTML form template to client");
+ ifstream infile(m_template.c_str());
+ if (!infile)
+ throw BindingException("Failed to open HTML template for POST message ($1).", params(1,m_template.c_str()));
+ pmap.m_map["action"] = destination;
+ if (relayState && *relayState)
+ pmap.m_map["RelayState"] = relayState;
+ stringstream s;
+ engine->run(infile, s, pmap);
+ genericResponse.setContentType("text/html");
+ HTTPResponse* httpResponse = dynamic_cast<HTTPResponse*>(&genericResponse);
+ if (httpResponse) {
+ httpResponse->setResponseHeader("Expires", "01-Jan-1997 12:00:00 GMT");
+ httpResponse->setResponseHeader("Cache-Control", "no-cache, no-store, must-revalidate, private");
+ httpResponse->setResponseHeader("Pragma", "no-cache");
+ }
+ long ret = genericResponse.sendResponse(s);
// Cleanup by destroying XML.
delete xmlObject;
-
- log.debug("message encoded");
+ return ret;
}
projects / shibboleth / cpp-opensaml.git / blobdiff