X-Git-Url: http://www.project-moonshot.org/gitweb/?a=blobdiff_plain;f=saml%2Fsaml1%2Fbinding%2Fimpl%2FSAML1POSTEncoder.cpp;h=f7c8ecd338d91c36670673b211d8458458580b6d;hb=25e13c8d1138bb4a9509e359eee3ce1c26becc27;hp=5b0704fde7483ff10c25280eb98e43ef90d6fb87;hpb=9178cdb2f7d3c03db92eee0ee14fa32fd42e3c09;p=shibboleth%2Fopensaml2.git

diff --git a/saml/saml1/binding/impl/SAML1POSTEncoder.cpp b/saml/saml1/binding/impl/SAML1POSTEncoder.cpp
index 5b0704f..f7c8ecd 100644
--- a/saml/saml1/binding/impl/SAML1POSTEncoder.cpp
+++ b/saml/saml1/binding/impl/SAML1POSTEncoder.cpp
@@ -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.
@@ -22,49 +22,92 @@
 
 #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 <log4cpp/Category.hh>
+#include <fstream>
+#include <sstream>
 #include <xercesc/util/Base64.hpp>
+#include <xmltooling/logging.h>
 #include <xmltooling/util/NDC.h>
+#include <xmltooling/util/TemplateEngine.h>
 
 using namespace opensaml::saml1p;
+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 saml1p {              
-        MessageEncoder* SAML_DLLLOCAL SAML1POSTEncoderFactory(const DOMElement* const & e)
+        class SAML_DLLLOCAL SAML1POSTEncoder : public MessageEncoder
         {
-            return new SAML1POSTEncoder(e);
+        public:
+            SAML1POSTEncoder(const DOMElement* e, const XMLCh* ns);
+            virtual ~SAML1POSTEncoder() {}
+            
+            long encode(
+                GenericResponse& genericResponse,
+                XMLObject* xmlObject,
+                const char* destination,
+                const EntityDescriptor* recipient=NULL,
+                const char* relayState=NULL,
+                const ArtifactGenerator* artifactGenerator=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 pair<const DOMElement*,const XMLCh*>& p)
+        {
+            return new SAML1POSTEncoder(p.first, p.second);
         }
     };
 };
 
-SAML1POSTEncoder::SAML1POSTEncoder(const DOMElement* e) {}
+static const XMLCh _template[] = UNICODE_LITERAL_8(t,e,m,p,l,a,t,e);
 
-SAML1POSTEncoder::~SAML1POSTEncoder() {}
+SAML1POSTEncoder::SAML1POSTEncoder(const DOMElement* e, const XMLCh* ns)
+{
+    if (e) {
+        auto_ptr_char t(e->getAttributeNS(ns, _template));
+        if (t.get() && *t.get())
+            m_template = t.get();
+    }
+    if (m_template.empty())
+        throw XMLToolingException("SAML1POSTEncoder requires template XML attribute.");
+}
 
-void SAML1POSTEncoder::encode(
-    map<string,string>& outputFields,
+long SAML1POSTEncoder::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.SAML1POST");
-    log.debug("validating input");
+
+    TemplateEngine* engine = XMLToolingConfig::getConfig().getTemplateEngine();
+    if (!engine)
+        throw BindingException("Encoding response using POST requires a TemplateEngine instance.");
     
-    outputFields.clear();
+    log.debug("validating input");
     if (xmlObject->getParent())
         throw BindingException("Cannot encode XML content with parent.");
     Response* response = dynamic_cast<Response*>(xmlObject);
@@ -74,7 +117,7 @@ void 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");
@@ -83,21 +126,33 @@ void 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 {
         log.debug("marshalling the response");
         rootElement = response->marshall();
     }
-    
-    string xmlbuf;
+
+    // Push message into template.
+    TemplateEngine::TemplateParameters pmap;
+    string& xmlbuf = pmap.m_map["SAMLResponse"];
     XMLHelper::serialize(rootElement, xmlbuf);
+    log.debug("marshalled response:\n%s", xmlbuf.c_str());
+    
+    // Replace with base-64 encoded version.
     unsigned int len=0;
     XMLByte* out=Base64::encode(reinterpret_cast<const XMLByte*>(xmlbuf.data()),xmlbuf.size(),&len);
     if (out) {
@@ -108,13 +163,20 @@ void SAML1POSTEncoder::encode(
     else {
         throw BindingException("Base64 encoding of XML failed.");
     }
-    
-    // Pass back output fields.
-    outputFields["SAMLResponse"] = xmlbuf;
-    outputFields["TARGET"] = relayState;
+
+    // Fill in the rest of the data and send to the 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 response ($1).", params(1,m_template.c_str()));
+    pmap.m_map["action"] = destination;
+    pmap.m_map["TARGET"] = relayState;
+    stringstream s;
+    engine->run(infile, s, pmap);
+    genericResponse.setContentType("text/html");
+    long ret = genericResponse.sendResponse(s);
 
     // Cleanup by destroying XML.
     delete xmlObject;
-
-    log.debug("message encoded");
+    return ret;
 }