2 * Copyright 2001-2009 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
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
18 * BlacklistMetadataFilter.cpp
20 * Removes blacklisted entities from a metadata instance
24 #include "saml2/metadata/Metadata.h"
25 #include "saml2/metadata/MetadataFilter.h"
27 #include <xmltooling/logging.h>
28 #include <xmltooling/util/NDC.h>
30 using namespace opensaml::saml2md;
31 using namespace xmltooling::logging;
32 using namespace xmltooling;
38 class SAML_DLLLOCAL BlacklistMetadataFilter : public MetadataFilter
41 BlacklistMetadataFilter(const DOMElement* e);
42 ~BlacklistMetadataFilter() {}
44 const char* getId() const { return BLACKLIST_METADATA_FILTER; }
45 void doFilter(XMLObject& xmlObject) const;
48 void doFilter(EntitiesDescriptor& entities) const;
50 bool found(const XMLCh* id) const {
53 return m_set.count(id)==1;
59 MetadataFilter* SAML_DLLLOCAL BlacklistMetadataFilterFactory(const DOMElement* const & e)
61 return new BlacklistMetadataFilter(e);
67 static const XMLCh Exclude[] = UNICODE_LITERAL_7(E,x,c,l,u,d,e);
69 BlacklistMetadataFilter::BlacklistMetadataFilter(const DOMElement* e)
71 e = XMLHelper::getFirstChildElement(e);
73 if (XMLString::equals(e->getLocalName(), Exclude) && e->hasChildNodes()) {
74 m_set.insert(e->getFirstChild()->getNodeValue());
76 e = XMLHelper::getNextSiblingElement(e);
80 void BlacklistMetadataFilter::doFilter(XMLObject& xmlObject) const
87 EntitiesDescriptor& entities = dynamic_cast<EntitiesDescriptor&>(xmlObject);
88 if (found(entities.getName()))
89 throw MetadataFilterException("BlacklistMetadataFilter instructed to filter the root/only group in the metadata.");
97 EntityDescriptor& entity = dynamic_cast<EntityDescriptor&>(xmlObject);
98 if (found(entity.getEntityID()))
99 throw MetadataFilterException("BlacklistMetadataFilter instructed to filter the root/only entity in the metadata.");
105 throw MetadataFilterException("BlacklistMetadataFilter was given an improper metadata instance to filter.");
108 void BlacklistMetadataFilter::doFilter(EntitiesDescriptor& entities) const
110 Category& log=Category::getInstance(SAML_LOGCAT".MetadataFilter.Blacklist");
112 VectorOf(EntityDescriptor) v=entities.getEntityDescriptors();
113 for (VectorOf(EntityDescriptor)::size_type i=0; i<v.size(); ) {
114 const XMLCh* id=v[i]->getEntityID();
116 auto_ptr_char id2(id);
117 log.info("filtering out blacklisted entity (%s)", id2.get());
118 v.erase(v.begin() + i);
125 VectorOf(EntitiesDescriptor) w=entities.getEntitiesDescriptors();
126 for (VectorOf(EntitiesDescriptor)::size_type j=0; j<w.size(); ) {
127 const XMLCh* name=w[j]->getName();
129 auto_ptr_char name2(name);
130 log.info("filtering out blacklisted group (%s)", name2.get());
131 w.erase(w.begin() + j);