--- /dev/null
+/*
+ * 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
+ *
+ * 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.
+ */
+
+/**
+ * ChainingAttributeResolver.cpp
+ *
+ * Chains together multiple AttributeResolver plugins.
+ */
+
+#include "internal.h"
+#include "Application.h"
+#include "ServiceProvider.h"
+#include "attribute/Attribute.h"
+#include "attribute/resolver/AttributeResolver.h"
+#include "attribute/resolver/ResolutionContext.h"
+
+#include <log4cpp/Category.hh>
+#include <xercesc/util/XMLUniDefs.hpp>
+#include <xmltooling/util/XMLHelper.h>
+
+using namespace shibsp;
+using namespace opensaml::saml2;
+using namespace opensaml::saml2md;
+using namespace xmltooling;
+using namespace log4cpp;
+using namespace std;
+
+namespace shibsp {
+
+ struct SHIBSP_DLLLOCAL ChainingContext : public ResolutionContext
+ {
+ ~ChainingContext() {
+ for_each(m_contexts.begin(), m_contexts.end(), xmltooling::cleanup<ResolutionContext>());
+ for_each(m_attributes.begin(), m_attributes.end(), cleanup_pair<string,shibsp::Attribute>());
+ for_each(m_assertions.begin(), m_assertions.end(), xmltooling::cleanup<opensaml::Assertion>());
+ }
+
+ multimap<string,shibsp::Attribute*>& getResolvedAttributes() {
+ return m_attributes;
+ }
+ vector<opensaml::Assertion*>& getResolvedAssertions() {
+ return m_assertions;
+ }
+
+ vector<ResolutionContext*> m_contexts;
+ multimap<string,shibsp::Attribute*> m_attributes;
+ vector<opensaml::Assertion*> m_assertions;
+ };
+
+ class SHIBSP_DLLLOCAL ChainingAttributeResolver : public AttributeResolver
+ {
+ public:
+ ChainingAttributeResolver(const DOMElement* e);
+ virtual ~ChainingAttributeResolver() {
+ for_each(m_resolvers.begin(), m_resolvers.end(), xmltooling::cleanup<AttributeResolver>());
+ }
+
+ Lockable* lock() {
+ for_each(m_resolvers.begin(), m_resolvers.end(), mem_fun(&AttributeResolver::lock));
+ return this;
+ }
+ void unlock() {
+ for_each(m_resolvers.begin(), m_resolvers.end(), mem_fun(&AttributeResolver::unlock));
+ }
+
+ ResolutionContext* createResolutionContext(
+ const Application& application,
+ const EntityDescriptor* issuer,
+ const NameID* nameid,
+ const vector<const opensaml::Assertion*>* tokens=NULL,
+ const multimap<string,shibsp::Attribute*>* attributes=NULL
+ ) const {
+ auto_ptr<ChainingContext> chain(new ChainingContext());
+ for (vector<AttributeResolver*>::const_iterator i=m_resolvers.begin(); i!=m_resolvers.end(); ++i)
+ chain->m_contexts.push_back((*i)->createResolutionContext(application, issuer, nameid, tokens, attributes));
+ return chain.release();
+ }
+
+ ResolutionContext* createResolutionContext(const Application& application, const Session& session) const {
+ auto_ptr<ChainingContext> chain(new ChainingContext());
+ for (vector<AttributeResolver*>::const_iterator i=m_resolvers.begin(); i!=m_resolvers.end(); ++i)
+ chain->m_contexts.push_back((*i)->createResolutionContext(application, session));
+ return chain.release();
+ }
+
+ void resolveAttributes(ResolutionContext& ctx) const;
+
+ private:
+ vector<AttributeResolver*> m_resolvers;
+ };
+
+ static const XMLCh _AttributeResolver[] = UNICODE_LITERAL_17(A,t,t,r,i,b,u,t,e,R,e,s,o,l,v,e,r);
+ static const XMLCh _type[] = UNICODE_LITERAL_4(t,y,p,e);
+
+ AttributeResolver* SHIBSP_DLLLOCAL ChainingAttributeResolverFactory(const DOMElement* & e)
+ {
+ return new ChainingAttributeResolver(e);
+ }
+};
+
+ChainingAttributeResolver::ChainingAttributeResolver(const DOMElement* e)
+{
+ SPConfig& conf = SPConfig::getConfig();
+
+ // Load up the chain of handlers.
+ e = e ? XMLHelper::getFirstChildElement(e, _AttributeResolver) : NULL;
+ while (e) {
+ auto_ptr_char type(e->getAttributeNS(NULL,_type));
+ if (type.get() && *(type.get())) {
+ try {
+ m_resolvers.push_back(conf.AttributeResolverManager.newPlugin(type.get(),e));
+ }
+ catch (exception& ex) {
+ Category::getInstance(SHIBSP_LOGCAT".AttributeResolver").error(
+ "caught exception processing embedded AttributeResolver element: %s", ex.what()
+ );
+ }
+ }
+ e = XMLHelper::getNextSiblingElement(e, _AttributeResolver);
+ }
+}
+
+void ChainingAttributeResolver::resolveAttributes(ResolutionContext& ctx) const
+{
+ ChainingContext& chain = dynamic_cast<ChainingContext&>(ctx);
+ vector<ResolutionContext*>::iterator ictx = chain.m_contexts.begin();
+ for (vector<AttributeResolver*>::const_iterator i=m_resolvers.begin(); i!=m_resolvers.end(); ++i, ++ictx) {
+ (*i)->resolveAttributes(*(*ictx));
+ chain.getResolvedAttributes().insert((*ictx)->getResolvedAttributes().begin(), (*ictx)->getResolvedAttributes().end());
+ (*ictx)->getResolvedAttributes().clear();
+ chain.getResolvedAssertions().insert(chain.getResolvedAssertions().end(), (*ictx)->getResolvedAssertions().begin(), (*ictx)->getResolvedAssertions().end());
+ (*ictx)->getResolvedAssertions().clear();
+ }
+}
projects / shibboleth / cpp-sp.git / commitdiff