Parameterize config namespace for message plugins.

[shibboleth/cpp-opensaml.git] / saml / saml2 / binding / impl / SAML2POSTDecoder.cpp

diff --git a/saml/saml2/binding/impl/SAML2POSTDecoder.cpp b/saml/saml2/binding/impl/SAML2POSTDecoder.cpp
index 49919b3..db218a0 100644 (file)
--- a/saml/saml2/binding/impl/SAML2POSTDecoder.cpp
+++ b/saml/saml2/binding/impl/SAML2POSTDecoder.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.
@@ -22,14 +22,14 @@
 
 #include "internal.h"
 #include "exceptions.h"
-#include "binding/HTTPRequest.h"
-#include "saml2/binding/SAML2POSTDecoder.h"
+#include "binding/MessageDecoder.h"
 #include "saml2/core/Protocols.h"
 #include "saml2/metadata/Metadata.h"
 #include "saml2/metadata/MetadataProvider.h"
 
 #include <log4cpp/Category.hh>
 #include <xercesc/util/Base64.hpp>
+#include <xmltooling/io/HTTPRequest.h>
 #include <xmltooling/util/NDC.h>
 #include <xmltooling/validation/ValidatorSuite.h>
 
@@ -43,15 +43,26 @@ using namespace std;
 
 namespace opensaml {
     namespace saml2p {              
-        MessageDecoder* SAML_DLLLOCAL SAML2POSTDecoderFactory(const DOMElement* const & e)
+        class SAML_DLLLOCAL SAML2POSTDecoder : public MessageDecoder
         {
-            return new SAML2POSTDecoder(e);
+        public:
+            SAML2POSTDecoder() {}
+            virtual ~SAML2POSTDecoder() {}
+            
+            xmltooling::XMLObject* decode(
+                std::string& relayState,
+                const GenericRequest& genericRequest,
+                SecurityPolicy& policy
+                ) const;
+        };                
+
+        MessageDecoder* SAML_DLLLOCAL SAML2POSTDecoderFactory(const pair<const DOMElement*,const XMLCh*>& p)
+        {
+            return new SAML2POSTDecoder();
         }
     };
 };
 
-SAML2POSTDecoder::SAML2POSTDecoder(const DOMElement* e) {}
-
 XMLObject* SAML2POSTDecoder::decode(
     std::string& relayState,
     const GenericRequest& genericRequest,
@@ -65,17 +76,15 @@ XMLObject* SAML2POSTDecoder::decode(
 
     log.debug("validating input");
     const HTTPRequest* httpRequest=dynamic_cast<const HTTPRequest*>(&genericRequest);
-    if (!httpRequest) {
-        log.error("unable to cast request to HTTPRequest type");
-        return NULL;
-    }
+    if (!httpRequest)
+        throw BindingException("Unable to cast request object to HTTPRequest type.");
     if (strcmp(httpRequest->getMethod(),"POST"))
-        return NULL;
+        throw BindingException("Invalid HTTP method ($1).", params(1, httpRequest->getMethod()));
     const char* msg = httpRequest->getParameter("SAMLResponse");
     if (!msg)
         msg = httpRequest->getParameter("SAMLRequest");
     if (!msg)
-        return NULL;
+        throw BindingException("Request missing SAMLRequest or SAMLResponse parameter.");
     const char* state = httpRequest->getParameter("RelayState");
     if (state)
         relayState = state;
@@ -92,7 +101,7 @@ XMLObject* SAML2POSTDecoder::decode(
     XMLString::release(&decoded);
     
     // Parse and bind the document into an XMLObject.
-    DOMDocument* doc = (m_validate ? XMLToolingConfig::getConfig().getValidatingParser()
+    DOMDocument* doc = (policy.getValidating() ? XMLToolingConfig::getConfig().getValidatingParser()
         : XMLToolingConfig::getConfig().getParser()).parse(is); 
     XercesJanitor<DOMDocument> janitor(doc);
     auto_ptr<XMLObject> xmlObject(XMLObjectBuilder::buildOneFromElement(doc->getDocumentElement(), true));
@@ -111,13 +120,16 @@ XMLObject* SAML2POSTDecoder::decode(
         root = static_cast<saml2::RootObject*>(request);
     }
     
-    if (!m_validate)
+    if (!policy.getValidating())
         SchemaValidators.validate(xmlObject.get());
+
+    // Run through the policy.
+    policy.evaluate(*root, &genericRequest);
     
     // Check destination URL.
     auto_ptr_char dest(request ? request->getDestination() : response->getDestination());
     const char* dest2 = httpRequest->getRequestURL();
-    if ((root->getSignature() || httpRequest->getParameter("Signature")) && !dest.get() || !*(dest.get())) {
+    if ((root->getSignature() || httpRequest->getParameter("Signature")) && (!dest.get() || !*(dest.get()))) {
         log.error("signed SAML message missing Destination attribute");
         throw BindingException("Signed SAML message missing Destination attribute identifying intended destination.");
     }
@@ -126,7 +138,5 @@ XMLObject* SAML2POSTDecoder::decode(
         throw BindingException("SAML message delivered with POST to incorrect server URL.");
     }
     
-    // Run through the policy.
-    policy.evaluate(*root, &genericRequest);
     return xmlObject.release();
 }