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4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
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11 * distributed under the License is distributed on an "AS IS" BASIS,
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13 * See the License for the specific language governing permissions and
14 * limitations under the License.
20 * A MatchFunctor that logical ANDs the results of contained functors.
24 #include "exceptions.h"
25 #include "attribute/filtering/FilterPolicyContext.h"
26 #include "attribute/filtering/MatchFunctor.h"
27 #include "util/SPConstants.h"
29 #include <xercesc/util/XMLUniDefs.hpp>
30 #include <xmltooling/util/XMLHelper.h>
32 using namespace shibsp;
33 using namespace xmltooling;
39 * A MatchFunctor that logical ANDs the results of contained functors.
41 class SHIBSP_DLLLOCAL AndMatchFunctor : public MatchFunctor
44 AndMatchFunctor(const pair<const FilterPolicyContext*,const DOMElement*>& p);
46 bool evaluatePolicyRequirement(const FilteringContext& filterContext) const {
47 if (m_functors.empty())
49 for (vector<const MatchFunctor*>::const_iterator mf = m_functors.begin(); mf!=m_functors.end(); ++mf)
50 if (!(*mf)->evaluatePolicyRequirement(filterContext))
55 bool evaluatePermitValue(const FilteringContext& filterContext, const Attribute& attribute, size_t index) const {
56 if (m_functors.empty())
58 for (vector<const MatchFunctor*>::const_iterator mf = m_functors.begin(); mf!=m_functors.end(); ++mf)
59 if (!(*mf)->evaluatePermitValue(filterContext, attribute, index))
65 MatchFunctor* buildFunctor(const DOMElement* e, const FilterPolicyContext* functorMap);
67 vector<const MatchFunctor*> m_functors;
70 MatchFunctor* SHIBSP_DLLLOCAL AndMatchFunctorFactory(const pair<const FilterPolicyContext*,const DOMElement*>& p)
72 return new AndMatchFunctor(p);
75 static XMLCh _id[] = UNICODE_LITERAL_2(i,d);
76 static XMLCh _ref[] = UNICODE_LITERAL_3(r,e,f);
77 static XMLCh Rule[] = UNICODE_LITERAL_4(R,u,l,e);
78 static XMLCh RuleReference[] = UNICODE_LITERAL_13(R,u,l,e,R,e,f,e,r,e,n,c,e);
81 AndMatchFunctor::AndMatchFunctor(const pair<const FilterPolicyContext*,const DOMElement*>& p)
84 const DOMElement* e = XMLHelper::getFirstChildElement(p.second);
87 if (XMLHelper::isNodeNamed(e, shibspconstants::SHIB2ATTRIBUTEFILTER_MF_BASIC_NS, Rule)) {
88 func = buildFunctor(e, p.first);
90 else if (XMLHelper::isNodeNamed(e, shibspconstants::SHIB2ATTRIBUTEFILTER_MF_BASIC_NS, RuleReference)) {
91 string ref = XMLHelper::getAttrString(e, nullptr, _ref);
93 multimap<string,MatchFunctor*>::const_iterator rule = p.first->getMatchFunctors().find(ref);
94 func = (rule!=p.first->getMatchFunctors().end()) ? rule->second : nullptr;
99 m_functors.push_back(func);
101 e = XMLHelper::getNextSiblingElement(e);
105 MatchFunctor* AndMatchFunctor::buildFunctor(const DOMElement* e, const FilterPolicyContext* functorMap)
107 // We'll track and map IDs just for consistency, but don't require them or worry about dups.
108 string id = XMLHelper::getAttrString(e, nullptr, _id);
109 if (!id.empty() && functorMap->getMatchFunctors().count(id))
112 auto_ptr<xmltooling::QName> type(XMLHelper::getXSIType(e));
114 throw ConfigurationException("Child Rule found with no xsi:type.");
116 MatchFunctor* func = SPConfig::getConfig().MatchFunctorManager.newPlugin(*type.get(), make_pair(functorMap,e));
117 functorMap->getMatchFunctors().insert(multimap<string,MatchFunctor*>::value_type(id, func));