saml/binding/impl/MessageEncoder.cpp

   1 /*
   2  *  Copyright 2001-2006 Internet2
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 /**
  18  * MessageEncoder.cpp
  19  *
  20  * Interface to SAML protocol binding message encoders.
  21  */
  22
  23 #include "internal.h"
  24 #include "binding/MessageEncoder.h"
  25 #include "util/SAMLConstants.h"
  26
  27 #include <xmltooling/signature/KeyInfo.h>
  28 #include <xmltooling/signature/Signature.h>
  29
  30 using namespace opensaml;
  31 using namespace xmlsignature;
  32 using namespace xmltooling;
  33 using namespace std;
  34
  35 namespace opensaml {
  36     namespace saml1p {
  37         SAML_DLLLOCAL PluginManager<MessageEncoder,const DOMElement*>::Factory SAML1ArtifactEncoderFactory;
  38         SAML_DLLLOCAL PluginManager<MessageEncoder,const DOMElement*>::Factory SAML1POSTEncoderFactory;
  39     };
  40
  41     namespace saml2p {
  42         SAML_DLLLOCAL PluginManager<MessageEncoder,const DOMElement*>::Factory SAML2ArtifactEncoderFactory;
  43         SAML_DLLLOCAL PluginManager<MessageEncoder,const DOMElement*>::Factory SAML2POSTEncoderFactory;
  44     };
  45 };
  46
  47 void SAML_API opensaml::registerMessageEncoders()
  48 {
  49     SAMLConfig& conf=SAMLConfig::getConfig();
  50     conf.MessageEncoderManager.registerFactory(SAMLConstants::SAML1_PROFILE_BROWSER_ARTIFACT, saml1p::SAML1ArtifactEncoderFactory);
  51     conf.MessageEncoderManager.registerFactory(SAMLConstants::SAML1_PROFILE_BROWSER_POST, saml1p::SAML1POSTEncoderFactory);
  52     conf.MessageEncoderManager.registerFactory(SAMLConstants::SAML20_BINDING_HTTP_ARTIFACT, saml2p::SAML2ArtifactEncoderFactory);
  53     conf.MessageEncoderManager.registerFactory(SAMLConstants::SAML20_BINDING_HTTP_POST, saml2p::SAML2POSTEncoderFactory);
  54 }
  55
  56 namespace {
  57     class SAML_DLLLOCAL _addcert : public binary_function<X509Data*,XSECCryptoX509*,void> {
  58     public:
  59         void operator()(X509Data* bag, XSECCryptoX509* cert) const {
  60             safeBuffer& buf=cert->getDEREncodingSB();
  61             X509Certificate* x=X509CertificateBuilder::buildX509Certificate();
  62             x->setValue(buf.sbStrToXMLCh());
  63             bag->getX509Certificates().push_back(x);
  64         }
  65     };
  66 };
  67
  68 Signature* MessageEncoder::buildSignature(const CredentialResolver* credResolver, const XMLCh* sigAlgorithm) const
  69 {
  70     // Build a Signature.
  71     Signature* sig = SignatureBuilder::buildSignature();
  72     if (sigAlgorithm)
  73         sig->setSignatureAlgorithm(sigAlgorithm);
  74     sig->setSigningKey(credResolver->getKey());
  75
  76     // Build KeyInfo.
  77     const vector<XSECCryptoX509*>& certs = credResolver->getCertificates();
  78     if (!certs.empty()) {
  79         KeyInfo* keyInfo=KeyInfoBuilder::buildKeyInfo();
  80         X509Data* x509Data=X509DataBuilder::buildX509Data();
  81         keyInfo->getX509Datas().push_back(x509Data);
  82         for_each(certs.begin(),certs.end(),bind1st(_addcert(),x509Data));
  83         sig->setKeyInfo(keyInfo);
  84     }
  85
  86     return sig;
  87 }