saml/binding/impl/MessageEncoder.cpp

   1 /*
   2  *  Copyright 2001-2007 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         SAML_DLLLOCAL PluginManager<MessageEncoder,const DOMElement*>::Factory SAML1SOAPEncoderFactory;
  40     };
  41
  42     namespace saml2p {
  43         SAML_DLLLOCAL PluginManager<MessageEncoder,const DOMElement*>::Factory SAML2ArtifactEncoderFactory;
  44         SAML_DLLLOCAL PluginManager<MessageEncoder,const DOMElement*>::Factory SAML2POSTEncoderFactory;
  45         SAML_DLLLOCAL PluginManager<MessageEncoder,const DOMElement*>::Factory SAML2POSTSimpleSignEncoderFactory;
  46         SAML_DLLLOCAL PluginManager<MessageEncoder,const DOMElement*>::Factory SAML2RedirectEncoderFactory;
  47         SAML_DLLLOCAL PluginManager<MessageEncoder,const DOMElement*>::Factory SAML2SOAPEncoderFactory;
  48     };
  49 };
  50
  51 void SAML_API opensaml::registerMessageEncoders()
  52 {
  53     SAMLConfig& conf=SAMLConfig::getConfig();
  54     conf.MessageEncoderManager.registerFactory(samlconstants::SAML1_PROFILE_BROWSER_ARTIFACT, saml1p::SAML1ArtifactEncoderFactory);
  55     conf.MessageEncoderManager.registerFactory(samlconstants::SAML1_PROFILE_BROWSER_POST, saml1p::SAML1POSTEncoderFactory);
  56     conf.MessageEncoderManager.registerFactory(samlconstants::SAML1_BINDING_SOAP, saml1p::SAML1SOAPEncoderFactory);
  57     conf.MessageEncoderManager.registerFactory(samlconstants::SAML20_BINDING_HTTP_ARTIFACT, saml2p::SAML2ArtifactEncoderFactory);
  58     conf.MessageEncoderManager.registerFactory(samlconstants::SAML20_BINDING_HTTP_POST, saml2p::SAML2POSTEncoderFactory);
  59     conf.MessageEncoderManager.registerFactory(samlconstants::SAML20_BINDING_HTTP_POST_SIMPLESIGN, saml2p::SAML2POSTSimpleSignEncoderFactory);
  60     conf.MessageEncoderManager.registerFactory(samlconstants::SAML20_BINDING_HTTP_REDIRECT, saml2p::SAML2RedirectEncoderFactory);
  61     conf.MessageEncoderManager.registerFactory(samlconstants::SAML20_BINDING_SOAP, saml2p::SAML2SOAPEncoderFactory);
  62 }
  63
  64 namespace {
  65     class SAML_DLLLOCAL _addcert : public binary_function<X509Data*,XSECCryptoX509*,void> {
  66     public:
  67         void operator()(X509Data* bag, XSECCryptoX509* cert) const {
  68             safeBuffer& buf=cert->getDEREncodingSB();
  69             X509Certificate* x=X509CertificateBuilder::buildX509Certificate();
  70             x->setValue(buf.sbStrToXMLCh());
  71             bag->getX509Certificates().push_back(x);
  72         }
  73     };
  74 };
  75
  76 Signature* MessageEncoder::buildSignature(const CredentialResolver* credResolver, const XMLCh* sigAlgorithm) const
  77 {
  78     // Build a Signature.
  79     Signature* sig = SignatureBuilder::buildSignature();
  80     if (sigAlgorithm)
  81         sig->setSignatureAlgorithm(sigAlgorithm);
  82     sig->setSigningKey(credResolver->getKey());
  83
  84     // Build KeyInfo.
  85     const vector<XSECCryptoX509*>& certs = credResolver->getCertificates();
  86     if (!certs.empty()) {
  87         KeyInfo* keyInfo=KeyInfoBuilder::buildKeyInfo();
  88         X509Data* x509Data=X509DataBuilder::buildX509Data();
  89         keyInfo->getX509Datas().push_back(x509Data);
  90         for_each(certs.begin(),certs.end(),bind1st(_addcert(),x509Data));
  91         sig->setKeyInfo(keyInfo);
  92     }
  93
  94     return sig;
  95 }