2 * Copyright 2001-2007 Internet2
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
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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.
18 * AttributeScopeMatchesShibMDScopeFunctor.cpp
20 * A match function that ensures that an attributes value's scope matches a scope given in metadata for the entity or role.
24 #include "exceptions.h"
25 #include "attribute/Attribute.h"
26 #include "attribute/filtering/FilteringContext.h"
27 #include "attribute/filtering/FilterPolicyContext.h"
28 #include "metadata/MetadataExt.h"
30 #include <xercesc/util/regx/RegularExpression.hpp>
32 using namespace opensaml::saml2md;
33 using namespace xmltooling;
38 static const XMLCh groupID[] = UNICODE_LITERAL_7(g,r,o,u,p,I,D);
41 * A match function that ensures that an attributes value's scope matches a scope given in metadata for the entity or role.
43 class SHIBSP_DLLLOCAL AttributeScopeMatchesShibMDScopeFunctor : public MatchFunctor
46 bool evaluatePolicyRequirement(const FilteringContext& filterContext) const {
47 throw AttributeFilteringException("Metadata scope matching not usable as a PolicyRequirement.");
50 bool evaluatePermitValue(const FilteringContext& filterContext, const Attribute& attribute, size_t index) const {
51 const RoleDescriptor* issuer = filterContext.getAttributeIssuerMetadata();
55 const char* scope = attribute.getScope(index);
56 if (!scope || !*scope)
60 const XMLCh* widescope=NULL;
61 const Extensions* ext = issuer->getExtensions();
63 const vector<XMLObject*>& exts = ext->getUnknownXMLObjects();
64 for (vector<XMLObject*>::const_iterator e = exts.begin(); e!=exts.end(); ++e) {
65 rule = dynamic_cast<const Scope*>(*e);
68 widescope = fromUTF8(scope);
69 if (matches(*rule, widescope)) {
77 ext = dynamic_cast<const EntityDescriptor*>(issuer->getParent())->getExtensions();
79 const vector<XMLObject*>& exts = ext->getUnknownXMLObjects();
80 for (vector<XMLObject*>::const_iterator e = exts.begin(); e!=exts.end(); ++e) {
81 rule = dynamic_cast<const Scope*>(*e);
84 widescope = fromUTF8(scope);
85 if (matches(*rule, widescope)) {
98 bool matches(const Scope& rule, const XMLCh* scope) const {
99 const XMLCh* val = rule.getValue();
102 RegularExpression re(val);
103 return re.matches(scope);
106 return XMLString::equals(val, scope);
113 MatchFunctor* SHIBSP_DLLLOCAL AttributeScopeMatchesShibMDScopeFactory(const std::pair<const FilterPolicyContext*,const DOMElement*>& p)
115 return new AttributeScopeMatchesShibMDScopeFunctor();