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24 * A MatchFunctor that negates the result of a contained functor.
28 #include "exceptions.h"
29 #include "attribute/filtering/FilterPolicyContext.h"
30 #include "attribute/filtering/MatchFunctor.h"
31 #include "util/SPConstants.h"
33 #include <xercesc/util/XMLUniDefs.hpp>
34 #include <xmltooling/util/XMLHelper.h>
36 using namespace shibsp;
37 using namespace xmltooling;
43 * A MatchFunctor that negates the result of a contained functor.
45 class SHIBSP_DLLLOCAL NotMatchFunctor : public MatchFunctor
48 NotMatchFunctor(const pair<const FilterPolicyContext*,const DOMElement*>& p);
50 bool evaluatePolicyRequirement(const FilteringContext& filterContext) const {
52 return !(m_functor->evaluatePolicyRequirement(filterContext));
56 bool evaluatePermitValue(const FilteringContext& filterContext, const Attribute& attribute, size_t index) const {
58 return !(m_functor->evaluatePermitValue(filterContext, attribute, index));
63 MatchFunctor* buildFunctor(const DOMElement* e, const FilterPolicyContext* functorMap);
65 const MatchFunctor* m_functor;
68 MatchFunctor* SHIBSP_DLLLOCAL NotMatchFunctorFactory(const pair<const FilterPolicyContext*,const DOMElement*>& p)
70 return new NotMatchFunctor(p);
73 static XMLCh _id[] = UNICODE_LITERAL_2(i,d);
74 static XMLCh _ref[] = UNICODE_LITERAL_3(r,e,f);
75 static XMLCh Rule[] = UNICODE_LITERAL_4(R,u,l,e);
76 static XMLCh RuleReference[] = UNICODE_LITERAL_13(R,u,l,e,R,e,f,e,r,e,n,c,e);
79 NotMatchFunctor::NotMatchFunctor(const pair<const FilterPolicyContext*,const DOMElement*>& p) : m_functor(nullptr)
81 const DOMElement* e = XMLHelper::getFirstChildElement(p.second);
83 if (XMLHelper::isNodeNamed(e, shibspconstants::SHIB2ATTRIBUTEFILTER_MF_BASIC_NS, Rule)) {
84 m_functor = buildFunctor(e, p.first);
86 else if (XMLHelper::isNodeNamed(e, shibspconstants::SHIB2ATTRIBUTEFILTER_MF_BASIC_NS, RuleReference)) {
87 string ref = XMLHelper::getAttrString(e, nullptr, _ref);
89 multimap<string,MatchFunctor*>::const_iterator rule = p.first->getMatchFunctors().find(ref);
90 m_functor = (rule!=p.first->getMatchFunctors().end()) ? rule->second : nullptr;
96 throw ConfigurationException("No child Rule installed into NotMatchFunctor.");
99 MatchFunctor* NotMatchFunctor::buildFunctor(const DOMElement* e, const FilterPolicyContext* functorMap)
101 // We'll track and map IDs just for consistency, but don't require them or worry about dups.
102 string id = XMLHelper::getAttrString(e, nullptr, _id);
103 if (!id.empty() && functorMap->getMatchFunctors().count(id))
106 auto_ptr<xmltooling::QName> type(XMLHelper::getXSIType(e));
108 throw ConfigurationException("Child Rule found with no xsi:type.");
110 MatchFunctor* func = SPConfig::getConfig().MatchFunctorManager.newPlugin(*type.get(), make_pair(functorMap,e));
111 functorMap->getMatchFunctors().insert(multimap<string,MatchFunctor*>::value_type(id, func));