SSPCPP-616 - clean up concatenated string literals

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

diff --git a/saml/binding/impl/XMLSigningRule.cpp b/saml/binding/impl/XMLSigningRule.cpp
index 697c49a..4597894 100644 (file)
--- a/saml/binding/impl/XMLSigningRule.cpp
+++ b/saml/binding/impl/XMLSigningRule.cpp
@@ -1,85 +1,121 @@
-/*
- *  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.
- * You may obtain a copy of the License at
+/**
+ * Licensed to the University Corporation for Advanced Internet
+ * Development, Inc. (UCAID) under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
  *
- *     http://www.apache.org/licenses/LICENSE-2.0
+ * UCAID licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the
+ * License at
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
+ * either express or implied. See the License for the specific
+ * language governing permissions and limitations under the License.
  */
 
 /**
  * XMLSigningRule.cpp
  * 
- * XML Signature checking SecurityPolicyRule
+ * XML Signature checking SecurityPolicyRule.
  */
 
 #include "internal.h"
 #include "exceptions.h"
-#include "binding/XMLSigningRule.h"
+#include "binding/SecurityPolicy.h"
+#include "binding/SecurityPolicyRule.h"
 #include "saml2/core/Assertions.h"
 #include "saml2/metadata/Metadata.h"
+#include "saml2/metadata/MetadataCredentialCriteria.h"
 #include "saml2/metadata/MetadataProvider.h"
 #include "signature/SignatureProfileValidator.h"
 
-#include <log4cpp/Category.hh>
+#include <xmltooling/logging.h>
+#include <xmltooling/security/SignatureTrustEngine.h>
+#include <xmltooling/signature/Signature.h>
 
 using namespace opensaml::saml2md;
 using namespace opensaml;
+using namespace xmltooling::logging;
 using namespace xmltooling;
-using namespace log4cpp;
 using namespace std;
 
+using xmlsignature::SignatureException;
+
 namespace opensaml {
+    class SAML_DLLLOCAL XMLSigningRule : public SecurityPolicyRule
+    {
+    public:
+        XMLSigningRule(const DOMElement* e);
+        virtual ~XMLSigningRule() {}
+        
+        const char* getType() const {
+            return XMLSIGNING_POLICY_RULE;
+        }
+        bool evaluate(const XMLObject& message, const GenericRequest* request, SecurityPolicy& policy) const;
+
+    private:
+        bool m_errorFatal;
+    };
+
     SecurityPolicyRule* SAML_DLLLOCAL XMLSigningRuleFactory(const DOMElement* const & e)
     {
         return new XMLSigningRule(e);
     }
+    
+    static const XMLCh errorFatal[] = UNICODE_LITERAL_10(e,r,r,o,r,F,a,t,a,l);
 };
 
-void XMLSigningRule::evaluate(const XMLObject& message, const GenericRequest* request, SecurityPolicy& policy) const
+XMLSigningRule::XMLSigningRule(const DOMElement* e) : m_errorFatal(XMLHelper::getAttrBool(e, false, errorFatal))
+{
+}
+
+bool XMLSigningRule::evaluate(const XMLObject& message, const GenericRequest* request, SecurityPolicy& policy) const
 {
-    Category& log=Category::getInstance(SAML_LOGCAT".SecurityPolicyRule.XMLSigning");
-    log.debug("evaluating message signing policy");
+    Category& log=Category::getInstance(SAML_LOGCAT ".SecurityPolicyRule.XMLSigning");
     
     if (!policy.getIssuerMetadata()) {
         log.debug("ignoring message, no issuer metadata supplied");
-        return;
+        return false;
     }
-    else if (!policy.getTrustEngine()) {
-        log.debug("ignoring message, no TrustEngine supplied");
-        return;
+
+    const SignatureTrustEngine* sigtrust;
+    if (!(sigtrust=dynamic_cast<const SignatureTrustEngine*>(policy.getTrustEngine()))) {
+        log.debug("ignoring message, no SignatureTrustEngine supplied");
+        return false;
     }
     
     const SignableObject* signable = dynamic_cast<const SignableObject*>(&message);
-    if (!signable || !signable->getSignature()) {
-        log.debug("ignoring unsigned or unrecognized message");
-        return;
-    }
+    if (!signable || !signable->getSignature())
+        return false;
     
     log.debug("validating signature profile");
     try {
         SignatureProfileValidator sigval;
-        sigval.validate(signable->getSignature());
+        sigval.validateSignature(*(signable->getSignature()));
     }
     catch (ValidationException& ve) {
         log.error("signature profile failed to validate: %s", ve.what());
-        return;
+        if (m_errorFatal)
+            throw;
+        return false;
     }
     
-    if (!policy.getTrustEngine()->validate(
-            *(signable->getSignature()), *(policy.getIssuerMetadata()), policy.getMetadataProvider()->getKeyResolver()
-            )) {
+    // Set up criteria object.
+    MetadataCredentialCriteria cc(*(policy.getIssuerMetadata()));
+
+    if (!sigtrust->validate(*(signable->getSignature()), *(policy.getMetadataProvider()), &cc)) {
         log.error("unable to verify message signature with supplied trust engine");
-        return;
+        if (m_errorFatal)
+            throw SecurityPolicyException("Message was signed, but signature could not be verified.");
+        return false;
     }
 
     log.debug("signature verified against message issuer");
-    policy.setSecure(true);
+    policy.setAuthenticated(true);
+    return true;
 }