https://issues.shibboleth.net/jira/browse/SSPCPP-255
[shibboleth/cpp-opensaml.git] / saml / saml2 / binding / impl / SAML2POSTEncoder.cpp
index 662d52f..0ae7408 100644 (file)
@@ -1,5 +1,5 @@
 /*
- *  Copyright 2001-2007 Internet2
+ *  Copyright 2001-2009 Internet2
  * 
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -17,7 +17,7 @@
 /**
  * SAML2POSTEncoder.cpp
  * 
- * SAML 2.0 HTTP-POST binding message encoder
+ * SAML 2.0 HTTP-POST binding message encoder.
  */
 
 #include "internal.h"
 
 #include <fstream>
 #include <sstream>
-#include <log4cpp/Category.hh>
 #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 {
@@ -89,6 +96,7 @@ SAML2POSTEncoder::SAML2POSTEncoder(const DOMElement* e, const XMLCh* ns, bool si
     }
     if (m_template.empty())
         throw XMLToolingException("SAML2POSTEncoder requires template XML attribute.");
+    XMLToolingConfig::getConfig().getPathResolver()->resolve(m_template, PathResolver::XMLTOOLING_CFG_FILE);
 }
 
 long SAML2POSTEncoder::encode(
@@ -107,8 +115,12 @@ long SAML2POSTEncoder::encode(
     xmltooling::NDC ndc("encode");
 #endif
     Category& log = Category::getInstance(SAML_LOGCAT".MessageEncoder.SAML2POST");
-
     log.debug("validating input");
+
+    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.");
     
@@ -150,15 +162,12 @@ long SAML2POSTEncoder::encode(
         rootElement = xmlObject->marshall((DOMDocument*)NULL);
     }
     
-    // Start tracking data.
-    TemplateEngine::TemplateParameters pmap;
-    if (relayState && *relayState)
-        pmap.m_map["RelayState"] = relayState;
-
     // 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");
@@ -175,29 +184,55 @@ long SAML2POSTEncoder::encode(
         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*)NULL), 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
+        }
     }
     
     // Base64 the message.
-    unsigned int len=0;
+    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
     
-    // Push message into template and send result to client.
+    // Push the rest of it into template and send result to client.
     log.debug("message encoded, sending HTML form template to client");
-    TemplateEngine* engine = XMLToolingConfig::getConfig().getTemplateEngine();
-    if (!engine)
-        throw BindingException("Encoding message using POST requires a TemplateEngine instance.");
     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.