Switch encoders to metadata-based recipient parameter.
[shibboleth/cpp-opensaml.git] / saml / saml1 / binding / impl / SAML1POSTEncoder.cpp
index e8d1836..4525a18 100644 (file)
@@ -1,5 +1,5 @@
 /*
- *  Copyright 2001-2006 Internet2
+ *  Copyright 2001-2007 Internet2
  * 
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -22,7 +22,8 @@
 
 #include "internal.h"
 #include "exceptions.h"
-#include "saml1/binding/SAML1POSTEncoder.h"
+#include "binding/MessageEncoder.h"
+#include "signature/ContentReference.h"
 #include "saml1/core/Protocols.h"
 
 #include <fstream>
@@ -33,6 +34,7 @@
 #include <xmltooling/util/TemplateEngine.h>
 
 using namespace opensaml::saml1p;
+using namespace opensaml::saml2md;
 using namespace opensaml;
 using namespace xmlsignature;
 using namespace xmltooling;
@@ -41,6 +43,28 @@ using namespace std;
 
 namespace opensaml {
     namespace saml1p {              
+        class SAML_DLLLOCAL SAML1POSTEncoder : public MessageEncoder
+        {
+        public:
+            SAML1POSTEncoder(const DOMElement* e);
+            virtual ~SAML1POSTEncoder() {}
+            
+            long encode(
+                GenericResponse& genericResponse,
+                XMLObject* xmlObject,
+                const char* destination,
+                const EntityDescriptor* recipient=NULL,
+                const char* relayState=NULL,
+                const Credential* credential=NULL,
+                const XMLCh* signatureAlg=NULL,
+                const XMLCh* digestAlg=NULL
+                ) const;
+
+        protected:
+            /** Pathname of HTML template for transmission of message via POST. */
+            string m_template;
+        };
+
         MessageEncoder* SAML_DLLLOCAL SAML1POSTEncoderFactory(const DOMElement* const & e)
         {
             return new SAML1POSTEncoder(e);
@@ -48,27 +72,28 @@ namespace opensaml {
     };
 };
 
-static const XMLCh templat[] = UNICODE_LITERAL_8(t,e,m,p,l,a,t,e);
+static const XMLCh _template[] = UNICODE_LITERAL_8(t,e,m,p,l,a,t,e);
 
 SAML1POSTEncoder::SAML1POSTEncoder(const DOMElement* e)
 {
     if (e) {
-        auto_ptr_char t(e->getAttributeNS(NULL, templat));
+        auto_ptr_char t(e->getAttributeNS(NULL, _template));
         if (t.get())
             m_template = t.get();
     }
     if (m_template.empty())
-        throw XMLToolingException("SAML1POSTEncoder requires template attribute.");
+        throw XMLToolingException("SAML1POSTEncoder requires template XML attribute.");
 }
 
 long SAML1POSTEncoder::encode(
     GenericResponse& genericResponse,
     XMLObject* xmlObject,
     const char* destination,
-    const char* recipientID,
+    const EntityDescriptor* recipient,
     const char* relayState,
-    const CredentialResolver* credResolver,
-    const XMLCh* sigAlgorithm
+    const Credential* credential,
+    const XMLCh* signatureAlg,
+    const XMLCh* digestAlg
     ) const
 {
 #ifdef _DEBUG
@@ -86,7 +111,7 @@ long SAML1POSTEncoder::encode(
         throw BindingException("SAML 1.x POST Encoder requires relay state (TARGET) value.");
     
     DOMElement* rootElement = NULL;
-    if (credResolver) {
+    if (credential) {
         // Signature based on native XML signing.
         if (response->getSignature()) {
             log.debug("response already signed, skipping signature operation");
@@ -95,12 +120,19 @@ long SAML1POSTEncoder::encode(
             log.debug("signing and marshalling the response");
 
             // Build a Signature.
-            Signature* sig = buildSignature(credResolver, sigAlgorithm);
+            Signature* sig = SignatureBuilder::buildSignature();
             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 = response->marshall((DOMDocument*)NULL,&sigs);
+            rootElement = response->marshall((DOMDocument*)NULL,&sigs,credential);
         }
     }
     else {