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
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 * XMLMetadataProvider.cpp
20 * Supplies metadata from an XML file
24 #include "saml2/metadata/Metadata.h"
25 #include "saml2/metadata/MetadataFilter.h"
26 #include "saml2/metadata/AbstractMetadataProvider.h"
28 #include <xmltooling/util/NDC.h>
29 #include <xmltooling/util/ReloadableXMLFile.h>
31 using namespace opensaml::saml2md;
32 using namespace xmltooling::logging;
33 using namespace xmltooling;
36 #if defined (_MSC_VER)
37 #pragma warning( push )
38 #pragma warning( disable : 4250 )
44 static const XMLCh requireValidUntil[] = UNICODE_LITERAL_17(r,e,q,u,i,r,e,V,a,l,i,d,U,n,t,i,l);
46 class SAML_DLLLOCAL XMLMetadataProvider : public AbstractMetadataProvider, public ReloadableXMLFile
49 XMLMetadataProvider(const DOMElement* e)
50 : AbstractMetadataProvider(e), ReloadableXMLFile(e, Category::getInstance(SAML_LOGCAT".MetadataProvider.XML")),
51 m_object(NULL), m_requireValidUntil(false) {
52 const XMLCh* flag = e ? e->getAttributeNS(NULL,requireValidUntil) : NULL;
53 m_requireValidUntil = (flag && (*flag == chLatin_t || *flag == chDigit_1));
55 virtual ~XMLMetadataProvider() {
60 load(); // guarantees an exception or the metadata is loaded
63 const XMLObject* getMetadata() const {
68 pair<bool,DOMElement*> load();
71 using AbstractMetadataProvider::index;
75 bool m_requireValidUntil;
78 MetadataProvider* SAML_DLLLOCAL XMLMetadataProviderFactory(const DOMElement* const & e)
80 return new XMLMetadataProvider(e);
86 #if defined (_MSC_VER)
87 #pragma warning( pop )
90 pair<bool,DOMElement*> XMLMetadataProvider::load()
92 // Load from source using base class.
93 pair<bool,DOMElement*> raw = ReloadableXMLFile::load();
95 // If we own it, wrap it for now.
96 XercesJanitor<DOMDocument> docjanitor(raw.first ? raw.second->getOwnerDocument() : NULL);
98 // Unmarshall objects, binding the document.
99 auto_ptr<XMLObject> xmlObject(XMLObjectBuilder::buildOneFromElement(raw.second, true));
100 docjanitor.release();
102 if (!dynamic_cast<const EntitiesDescriptor*>(xmlObject.get()) && !dynamic_cast<const EntityDescriptor*>(xmlObject.get()))
103 throw MetadataException(
104 "Root of metadata instance not recognized: $1", params(1,xmlObject->getElementQName().toString().c_str())
107 if (m_requireValidUntil) {
108 const TimeBoundSAMLObject* tbo = dynamic_cast<const TimeBoundSAMLObject*>(xmlObject.get());
109 if (!tbo || tbo->getValidUntil() == NULL)
110 throw MetadataException("Root of metadata instance does not have validUntil atttribute.");
113 // Preprocess the metadata.
114 doFilters(*xmlObject.get());
115 xmlObject->releaseThisAndChildrenDOM();
116 xmlObject->setDocument(NULL);
119 bool changed = m_object!=NULL;
121 m_object = xmlObject.release();
125 return make_pair(false,(DOMElement*)NULL);
128 void XMLMetadataProvider::index()
130 clearDescriptorIndex();
131 EntitiesDescriptor* group=dynamic_cast<EntitiesDescriptor*>(m_object);
133 AbstractMetadataProvider::index(group, SAMLTIME_MAX);
136 EntityDescriptor* site=dynamic_cast<EntityDescriptor*>(m_object);
137 AbstractMetadataProvider::index(site, SAMLTIME_MAX);