X-Git-Url: http://www.project-moonshot.org/gitweb/?a=blobdiff_plain;f=saml%2Fsaml1%2Fbinding%2Fimpl%2FSAML1POSTDecoder.cpp;h=4c59745a5c47203ef11a81129d4ed0a13deed41b;hb=9f10292e987cc822929bb83f9462e21874b9863a;hp=33ac05f7c9a4b4ff487d627ad3d5a8952ac2b6c9;hpb=1bc8e721db3a50294df852662e1eddcdbdae8f9f;p=shibboleth%2Fcpp-opensaml.git

diff --git a/saml/saml1/binding/impl/SAML1POSTDecoder.cpp b/saml/saml1/binding/impl/SAML1POSTDecoder.cpp
index 33ac05f..4c59745 100644
--- a/saml/saml1/binding/impl/SAML1POSTDecoder.cpp
+++ b/saml/saml1/binding/impl/SAML1POSTDecoder.cpp
@@ -1,5 +1,5 @@
 /*
- *  Copyright 2001-2006 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.
@@ -17,44 +17,59 @@
 /**
  * SAML1POSTDecoder.cpp
  * 
- * SAML 1.x POST binding/profile message decoder
+ * SAML 1.x POST binding/profile message decoder.
  */
 
 #include "internal.h"
 #include "exceptions.h"
-#include "binding/HTTPRequest.h"
+#include "binding/SecurityPolicy.h"
+#include "saml1/binding/SAML1MessageDecoder.h"
 #include "saml1/core/Assertions.h"
-#include "saml1/binding/SAML1POSTDecoder.h"
+#include "saml1/core/Protocols.h"
 #include "saml2/metadata/Metadata.h"
 #include "saml2/metadata/MetadataProvider.h"
 
-#include <log4cpp/Category.hh>
+#include <xercesc/framework/MemBufInputSource.hpp>
+#include <xercesc/framework/Wrapper4InputSource.hpp>
 #include <xercesc/util/Base64.hpp>
+#include <xmltooling/logging.h>
+#include <xmltooling/XMLToolingConfig.h>
+#include <xmltooling/io/HTTPRequest.h>
 #include <xmltooling/util/NDC.h>
+#include <xmltooling/util/ParserPool.h>
 #include <xmltooling/validation/ValidatorSuite.h>
 
 using namespace opensaml::saml2md;
 using namespace opensaml::saml1p;
 using namespace opensaml::saml1;
 using namespace opensaml;
+using namespace xmltooling::logging;
 using namespace xmltooling;
-using namespace log4cpp;
 using namespace std;
 
 namespace opensaml {
     namespace saml1p {              
-        MessageDecoder* SAML_DLLLOCAL SAML1POSTDecoderFactory(const DOMElement* const & e)
+        class SAML_DLLLOCAL SAML1POSTDecoder : public SAML1MessageDecoder
         {
-            return new SAML1POSTDecoder(e);
+        public:
+            SAML1POSTDecoder() {}
+            virtual ~SAML1POSTDecoder() {}
+            
+            xmltooling::XMLObject* decode(
+                std::string& relayState,
+                const GenericRequest& genericRequest,
+                SecurityPolicy& policy
+                ) const;
+        };                
+
+        MessageDecoder* SAML_DLLLOCAL SAML1POSTDecoderFactory(const pair<const DOMElement*,const XMLCh*>& p)
+        {
+            return new SAML1POSTDecoder();
         }
     };
 };
 
-SAML1POSTDecoder::SAML1POSTDecoder(const DOMElement* e) {}
-
-SAML1POSTDecoder::~SAML1POSTDecoder() {}
-
-Response* SAML1POSTDecoder::decode(
+XMLObject* SAML1POSTDecoder::decode(
     string& relayState,
     const GenericRequest& genericRequest,
     SecurityPolicy& policy
@@ -67,30 +82,28 @@ Response* SAML1POSTDecoder::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* samlResponse = httpRequest->getParameter("SAMLResponse");
     const char* TARGET = httpRequest->getParameter("TARGET");
     if (!samlResponse || !TARGET)
-        return NULL;
+        throw BindingException("Request missing SAMLResponse or TARGET form parameters.");
     relayState = TARGET;
 
-    // Decode the base64 into SAML.
-    unsigned int x;
+    // Decode the base64 into XML.
+    xsecsize_t x;
     XMLByte* decoded=Base64::decode(reinterpret_cast<const XMLByte*>(samlResponse),&x);
     if (!decoded)
         throw BindingException("Unable to decode base64 in POST profile response.");
-    log.debug("decoded SAML response:\n%s", decoded);
-    istringstream is(reinterpret_cast<char*>(decoded));
-    XMLString::release(&decoded);
-    
+    log.debugStream() << "decoded SAML response:\n" << decoded << logging::eol;
+
     // Parse and bind the document into an XMLObject.
-    DOMDocument* doc = (m_validate ? XMLToolingConfig::getConfig().getValidatingParser()
-        : XMLToolingConfig::getConfig().getParser()).parse(is); 
+    MemBufInputSource src(decoded, x, "SAMLResponse", true);
+    Wrapper4InputSource dsrc(&src, false);
+    DOMDocument* doc = (policy.getValidating() ? XMLToolingConfig::getConfig().getValidatingParser()
+        : XMLToolingConfig::getConfig().getParser()).parse(dsrc); 
     XercesJanitor<DOMDocument> janitor(doc);
     auto_ptr<XMLObject> xmlObject(XMLObjectBuilder::buildOneFromElement(doc->getDocumentElement(), true));
     janitor.release();
@@ -99,52 +112,31 @@ Response* SAML1POSTDecoder::decode(
     if (!response)
         throw BindingException("Decoded message was not a SAML 1.x Response.");
 
-    try {
-        if (!m_validate)
-            SchemaValidators.validate(xmlObject.get());
-        
-        // Check recipient URL.
-        auto_ptr_char recipient(response->getRecipient());
-        const char* recipient2 = httpRequest->getRequestURL();
-        if (!recipient.get() || !*(recipient.get())) {
-            log.error("response missing Recipient attribute");
-            throw BindingException("SAML response did not contain Recipient attribute identifying intended destination.");
-        }
-        else if (!recipient2 || !*recipient2 || strcmp(recipient.get(),recipient2)) {
-            log.error("POST targeted at (%s), but delivered to (%s)", recipient.get(), recipient2 ? recipient2 : "none");
-            throw BindingException("SAML message delivered with POST to incorrect server URL.");
-        }
-        
-        // Run through the policy.
-        policy.evaluate(genericRequest, *response);
+    SchemaValidators.validate(response);
+    
+    pair<bool,int> minor = response->getMinorVersion();
+    extractMessageDetails(
+        *response,
+        genericRequest,
+        (minor.first && minor.second==0) ? samlconstants::SAML10_PROTOCOL_ENUM : samlconstants::SAML11_PROTOCOL_ENUM,
+        policy
+        );
+
+    // Run through the policy.
+    policy.evaluate(*response,&genericRequest);
+    
+    // Check recipient URL.
+    auto_ptr_char recipient(response->getRecipient());
+    const char* recipient2 = httpRequest->getRequestURL();
+    const char* delim = strchr(recipient2, '?');
+    if (!recipient.get() || !*(recipient.get())) {
+        log.error("response missing Recipient attribute");
+        throw BindingException("SAML response did not contain Recipient attribute identifying intended destination.");
     }
-    catch (XMLToolingException& ex) {
-        // This is just to maximize the likelihood of attaching a source to the message for support purposes.
-        if (policy.getIssuerMetadata())
-            annotateException(&ex,policy.getIssuerMetadata()); // throws it
-          
-        // Check for an Issuer.
-        const EntityDescriptor* provider=NULL;
-        const vector<Assertion*>& assertions=const_cast<const Response*>(response)->getAssertions();
-        if (!assertions.empty() || !policy.getMetadataProvider() ||
-                !(provider=policy.getMetadataProvider()->getEntityDescriptor(assertions.front()->getIssuer(), false))) {
-            // Just record it.
-            auto_ptr_char iname(assertions.front()->getIssuer());
-            if (iname.get())
-                ex.addProperty("entityID", iname.get());
-            throw;
-        }
-        if (policy.getRole()) {
-            pair<bool,int> minor = response->getMinorVersion();
-            const RoleDescriptor* roledesc=provider->getRoleDescriptor(
-                *(policy.getRole()),
-                (minor.first && minor.second==0) ? samlconstants::SAML10_PROTOCOL_ENUM : samlconstants::SAML11_PROTOCOL_ENUM
-                );
-            if (roledesc) annotateException(&ex,roledesc); // throws it
-        }
-        annotateException(&ex,provider);  // throws it
+    else if ((delim && strncmp(recipient.get(), recipient2, delim - recipient2)) || (!delim && strcmp(recipient.get(),recipient2))) {
+        log.error("POST targeted at (%s), but delivered to (%s)", recipient.get(), recipient2);
+        throw BindingException("SAML message delivered with POST to incorrect server URL.");
     }
-
-    xmlObject.release();
-    return response;
+    
+    return xmlObject.release();
 }