2 * Licensed to the University Corporation for Advanced Internet
3 * Development, Inc. (UCAID) under one or more contributor license
4 * agreements. See the NOTICE file distributed with this work for
5 * additional information regarding copyright ownership.
7 * UCAID licenses this file to you under the Apache License,
8 * Version 2.0 (the "License"); you may not use this file except
9 * in compliance with the License. You may obtain a copy of the
12 * http://www.apache.org/licenses/LICENSE-2.0
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
17 * either express or implied. See the License for the specific
18 * language governing permissions and limitations under the License.
24 * A MatchFunctor that logical ANDs the results of contained functors.
28 #include "exceptions.h"
29 #include "attribute/filtering/FilterPolicyContext.h"
30 #include "attribute/filtering/MatchFunctor.h"
31 #include "util/SPConstants.h"
33 #include <boost/bind.hpp>
34 #include <xercesc/util/XMLUniDefs.hpp>
35 #include <xmltooling/util/XMLHelper.h>
37 using namespace shibsp;
38 using namespace xmltooling;
39 using namespace boost;
45 * A MatchFunctor that logical ANDs the results of contained functors.
47 class SHIBSP_DLLLOCAL AndMatchFunctor : public MatchFunctor
50 AndMatchFunctor(const pair<const FilterPolicyContext*,const DOMElement*>& p);
52 bool evaluatePolicyRequirement(const FilteringContext& filterContext) const {
53 if (m_functors.empty())
55 vector<const MatchFunctor*>::const_iterator i = find_if(
56 m_functors.begin(), m_functors.end(),
57 boost::bind(&MatchFunctor::evaluatePolicyRequirement, _1, boost::cref(filterContext)) == false
59 return (i == m_functors.end());
62 bool evaluatePermitValue(const FilteringContext& filterContext, const Attribute& attribute, size_t index) const {
63 if (m_functors.empty())
65 vector<const MatchFunctor*>::const_iterator i = find_if(
66 m_functors.begin(), m_functors.end(),
67 boost::bind(&MatchFunctor::evaluatePermitValue, _1, boost::cref(filterContext), boost::cref(attribute), index) == false
69 return (i == m_functors.end());
73 MatchFunctor* buildFunctor(const DOMElement* e, const FilterPolicyContext* functorMap);
75 vector<const MatchFunctor*> m_functors;
78 MatchFunctor* SHIBSP_DLLLOCAL AndMatchFunctorFactory(const pair<const FilterPolicyContext*,const DOMElement*>& p)
80 return new AndMatchFunctor(p);
83 static XMLCh _id[] = UNICODE_LITERAL_2(i,d);
84 static XMLCh _ref[] = UNICODE_LITERAL_3(r,e,f);
85 static XMLCh Rule[] = UNICODE_LITERAL_4(R,u,l,e);
86 static XMLCh RuleReference[] = UNICODE_LITERAL_13(R,u,l,e,R,e,f,e,r,e,n,c,e);
89 AndMatchFunctor::AndMatchFunctor(const pair<const FilterPolicyContext*,const DOMElement*>& p)
92 const DOMElement* e = XMLHelper::getFirstChildElement(p.second);
95 if (XMLHelper::isNodeNamed(e, shibspconstants::SHIB2ATTRIBUTEFILTER_MF_BASIC_NS, Rule)) {
96 func = buildFunctor(e, p.first);
98 else if (XMLHelper::isNodeNamed(e, shibspconstants::SHIB2ATTRIBUTEFILTER_MF_BASIC_NS, RuleReference)) {
99 string ref = XMLHelper::getAttrString(e, nullptr, _ref);
101 multimap<string,MatchFunctor*>::const_iterator rule = p.first->getMatchFunctors().find(ref);
102 func = (rule!=p.first->getMatchFunctors().end()) ? rule->second : nullptr;
107 m_functors.push_back(func);
109 e = XMLHelper::getNextSiblingElement(e);
113 MatchFunctor* AndMatchFunctor::buildFunctor(const DOMElement* e, const FilterPolicyContext* functorMap)
115 // We'll track and map IDs just for consistency, but don't require them or worry about dups.
116 string id = XMLHelper::getAttrString(e, nullptr, _id);
117 if (!id.empty() && functorMap->getMatchFunctors().count(id))
120 scoped_ptr<xmltooling::QName> type(XMLHelper::getXSIType(e));
122 throw ConfigurationException("Child Rule found with no xsi:type.");
124 auto_ptr<MatchFunctor> func(SPConfig::getConfig().MatchFunctorManager.newPlugin(*type, make_pair(functorMap,e)));
125 functorMap->getMatchFunctors().insert(multimap<string,MatchFunctor*>::value_type(id, func.get()));
126 return func.release();