Merge commit '2.5.0' into moonshot-packaging-fixes

[shibboleth/sp.git] / shibsp / attribute / filtering / impl / AttributeRequesterEntityMatcherFunctor.cpp

diff --git a/shibsp/attribute/filtering/impl/AttributeRequesterEntityMatcherFunctor.cpp b/shibsp/attribute/filtering/impl/AttributeRequesterEntityMatcherFunctor.cpp
new file mode 100644 (file)
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+++ b/shibsp/attribute/filtering/impl/AttributeRequesterEntityMatcherFunctor.cpp
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+/**
+ * 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.
+ */
+
+/**
+ * AttributeRequesterEntityMatcherFunctor.cpp
+ * 
+ * A match function that checks if the attribute requester matches pluggable criteria.
+ */
+
+#include "internal.h"
+#include "exceptions.h"
+#include "attribute/filtering/FilteringContext.h"
+#include "attribute/filtering/FilterPolicyContext.h"
+#include "attribute/filtering/MatchFunctor.h"
+
+#include <saml/SAMLConfig.h>
+#include <saml/saml2/metadata/EntityMatcher.h>
+#include <saml/saml2/metadata/Metadata.h>
+#include <xmltooling/util/XMLHelper.h>
+
+using namespace opensaml::saml2md;
+using opensaml::SAMLConfig;
+using xmltooling::XMLHelper;
+
+namespace shibsp {
+
+    /**
+     * A match function that checks if the attribute requester matches pluggable criteria.
+     */
+    class SHIBSP_DLLLOCAL AttributeRequesterEntityMatcherFunctor : public MatchFunctor
+    {
+        boost::scoped_ptr<EntityMatcher> m_matcher;
+    public:
+        AttributeRequesterEntityMatcherFunctor(const DOMElement* e) {
+            static const XMLCh matcher[] = UNICODE_LITERAL_7(m,a,t,c,h,e,r);
+            std::string type(XMLHelper::getAttrString(e, nullptr, matcher));
+            if (!type.empty())
+                m_matcher.reset(SAMLConfig::getConfig().EntityMatcherManager.newPlugin(type.c_str(), e));
+            else
+                throw ConfigurationException("AttributeRequesterEntityMatcher MatchFunctor requires a matcher attribute.");
+        }
+
+        bool evaluatePolicyRequirement(const FilteringContext& filterContext) const {
+            if (filterContext.getAttributeRequesterMetadata()) {
+                const EntityDescriptor* entity = dynamic_cast<EntityDescriptor*>(filterContext.getAttributeRequesterMetadata()->getParent());
+                if (entity)
+                    return m_matcher->matches(*entity);
+            }
+            return false;
+        }
+
+        bool evaluatePermitValue(const FilteringContext& filterContext, const Attribute& attribute, size_t index) const {
+            return evaluatePolicyRequirement(filterContext);
+        }
+    };
+
+    MatchFunctor* SHIBSP_DLLLOCAL AttributeRequesterEntityMatcherFactory(const std::pair<const FilterPolicyContext*,const DOMElement*>& p)
+    {
+        return new AttributeRequesterEntityMatcherFunctor(p.second);
+    }
+
+};