From efe9ca9abb2a9e7b3e28b2d95a7e0b932085c4fd Mon Sep 17 00:00:00 2001
From: Scott Cantor <cantor.2@osu.edu>
Date: Thu, 11 Aug 2011 18:56:12 +0000
Subject: [PATCH] Add dummy credential resolver.

---
 xmltooling/Makefile.am                             |  1 +
 xmltooling/security/CredentialResolver.h           |  3 ++
 xmltooling/security/impl/CredentialResolver.cpp    |  4 +-
 .../security/impl/DummyCredentialResolver.cpp      | 63 ++++++++++++++++++++++
 xmltooling/xmltooling.vcxproj                      |  1 +
 xmltooling/xmltooling.vcxproj.filters              |  3 ++
 6 files changed, 74 insertions(+), 1 deletion(-)
 create mode 100644 xmltooling/security/impl/DummyCredentialResolver.cpp

diff --git a/xmltooling/Makefile.am b/xmltooling/Makefile.am
index 035e2af..e6e946a 100644
--- a/xmltooling/Makefile.am
+++ b/xmltooling/Makefile.am
@@ -137,6 +137,7 @@ xmlsec_sources = \
 	security/impl/ChainingTrustEngine.cpp \
 	security/impl/CredentialCriteria.cpp \
 	security/impl/CredentialResolver.cpp \
+	security/impl/DummyCredentialResolver.cpp \
 	security/impl/ExplicitKeyTrustEngine.cpp \
 	security/impl/FilesystemCredentialResolver.cpp \
 	security/impl/InlineKeyResolver.cpp \
diff --git a/xmltooling/security/CredentialResolver.h b/xmltooling/security/CredentialResolver.h
index c828487..89be8c2 100644
--- a/xmltooling/security/CredentialResolver.h
+++ b/xmltooling/security/CredentialResolver.h
@@ -74,6 +74,9 @@ namespace xmltooling {
     /** CredentialResolver based on local files with no criteria support. */
     #define FILESYSTEM_CREDENTIAL_RESOLVER  "File"
 
+    /** CredentialResolver that returns nothing, for use with some APIs. */
+    #define DUMMY_CREDENTIAL_RESOLVER  "Dummy"
+
     /** CredentialResolver based on chaining together other resolvers. */
     #define CHAINING_CREDENTIAL_RESOLVER    "Chaining"
 };
diff --git a/xmltooling/security/impl/CredentialResolver.cpp b/xmltooling/security/impl/CredentialResolver.cpp
index e77304d..e00b22c 100644
--- a/xmltooling/security/impl/CredentialResolver.cpp
+++ b/xmltooling/security/impl/CredentialResolver.cpp
@@ -30,7 +30,8 @@
 using namespace xmltooling;
 
 namespace xmltooling {
-    XMLTOOL_DLLLOCAL PluginManager<CredentialResolver,std::string,const xercesc::DOMElement*>::Factory FilesystemCredentialResolverFactory; 
+    XMLTOOL_DLLLOCAL PluginManager<CredentialResolver,std::string,const xercesc::DOMElement*>::Factory FilesystemCredentialResolverFactory;
+    XMLTOOL_DLLLOCAL PluginManager<CredentialResolver,std::string,const xercesc::DOMElement*>::Factory DummyCredentialResolverFactory;
     XMLTOOL_DLLLOCAL PluginManager<CredentialResolver,std::string,const xercesc::DOMElement*>::Factory ChainingCredentialResolverFactory; 
 };
 
@@ -38,6 +39,7 @@ void XMLTOOL_API xmltooling::registerCredentialResolvers()
 {
     XMLToolingConfig& conf=XMLToolingConfig::getConfig();
     conf.CredentialResolverManager.registerFactory(FILESYSTEM_CREDENTIAL_RESOLVER, FilesystemCredentialResolverFactory);
+    conf.CredentialResolverManager.registerFactory(DUMMY_CREDENTIAL_RESOLVER, DummyCredentialResolverFactory);
     conf.CredentialResolverManager.registerFactory(CHAINING_CREDENTIAL_RESOLVER, ChainingCredentialResolverFactory);
 }
 
diff --git a/xmltooling/security/impl/DummyCredentialResolver.cpp b/xmltooling/security/impl/DummyCredentialResolver.cpp
new file mode 100644
index 0000000..8ce16bb
--- /dev/null
+++ b/xmltooling/security/impl/DummyCredentialResolver.cpp
@@ -0,0 +1,63 @@
+/**
+ * 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.
+ *
+ * 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
+ *
+ * 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.
+ */
+
+/**
+ * DummyCredentialResolver.cpp
+ * 
+ * CredentialResolver that returns nothing.
+ */
+
+#include "internal.h"
+#include "XMLToolingConfig.h"
+#include "security/CredentialResolver.h"
+#include "util/NDC.h"
+
+using namespace xmltooling;
+using namespace std;
+
+using xercesc::DOMElement;
+
+namespace xmltooling {
+
+    class XMLTOOL_DLLLOCAL DummyCredentialResolver : public CredentialResolver
+    {
+    public:
+        DummyCredentialResolver(const DOMElement*) {}
+        virtual ~DummyCredentialResolver() {}
+
+        Lockable* lock() {return this;}
+        void unlock() {}
+
+        const Credential* resolve(const CredentialCriteria* criteria=nullptr) const {
+            return nullptr;
+        }
+        vector<const Credential*>::size_type resolve(
+            vector<const Credential*>& results, const CredentialCriteria* criteria=nullptr
+            ) const {
+            return 0;
+        }
+    };
+
+    CredentialResolver* XMLTOOL_DLLLOCAL DummyCredentialResolverFactory(const DOMElement* const & e)
+    {
+        return new DummyCredentialResolver(e);
+    }
+
+};
diff --git a/xmltooling/xmltooling.vcxproj b/xmltooling/xmltooling.vcxproj
index 9f352f9..2e204be 100644
--- a/xmltooling/xmltooling.vcxproj
+++ b/xmltooling/xmltooling.vcxproj
@@ -230,6 +230,7 @@
     <ClCompile Include="security\impl\ChainingTrustEngine.cpp" />
     <ClCompile Include="security\impl\CredentialCriteria.cpp" />
     <ClCompile Include="security\impl\CredentialResolver.cpp" />
+    <ClCompile Include="security\impl\DummyCredentialResolver.cpp" />
     <ClCompile Include="security\impl\ExplicitKeyTrustEngine.cpp" />
     <ClCompile Include="security\impl\FilesystemCredentialResolver.cpp" />
     <ClCompile Include="security\impl\InlineKeyResolver.cpp" />
diff --git a/xmltooling/xmltooling.vcxproj.filters b/xmltooling/xmltooling.vcxproj.filters
index 987c007..c8c0c38 100644
--- a/xmltooling/xmltooling.vcxproj.filters
+++ b/xmltooling/xmltooling.vcxproj.filters
@@ -219,6 +219,9 @@
     <ClCompile Include="security\impl\CredentialResolver.cpp">
       <Filter>Source Files\security\impl</Filter>
     </ClCompile>
+    <ClCompile Include="security\impl\DummyCredentialResolver.cpp">
+      <Filter>Source Files\security\impl</Filter>
+    </ClCompile>
     <ClCompile Include="security\impl\ExplicitKeyTrustEngine.cpp">
       <Filter>Source Files\security\impl</Filter>
     </ClCompile>
-- 
2.1.4