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 * AbstractMetadataProvider.cpp
20 * Base class for caching metadata providers.
24 #include "binding/SAMLArtifact.h"
25 #include "saml2/metadata/Metadata.h"
26 #include "saml2/metadata/AbstractMetadataProvider.h"
27 #include "saml2/metadata/MetadataCredentialContext.h"
28 #include "saml2/metadata/MetadataCredentialCriteria.h"
30 #include <xercesc/util/XMLUniDefs.hpp>
31 #include <xmltooling/XMLToolingConfig.h>
32 #include <xmltooling/security/Credential.h>
33 #include <xmltooling/security/KeyInfoResolver.h>
34 #include <xmltooling/util/Threads.h>
35 #include <xmltooling/util/XMLHelper.h>
37 using namespace opensaml::saml2md;
38 using namespace xmltooling;
40 using opensaml::SAMLArtifact;
42 static const XMLCh _KeyInfoResolver[] = UNICODE_LITERAL_15(K,e,y,I,n,f,o,R,e,s,o,l,v,e,r);
43 static const XMLCh type[] = UNICODE_LITERAL_4(t,y,p,e);
45 AbstractMetadataProvider::AbstractMetadataProvider(const DOMElement* e)
46 : ObservableMetadataProvider(e), m_resolver(NULL), m_credentialLock(NULL)
48 e = e ? XMLHelper::getFirstChildElement(e, _KeyInfoResolver) : NULL;
50 auto_ptr_char t(e->getAttributeNS(NULL,type));
52 m_resolver = XMLToolingConfig::getConfig().KeyInfoResolverManager.newPlugin(t.get(),e);
54 throw UnknownExtensionException("<KeyInfoResolver> element found with no type attribute");
56 m_credentialLock = Mutex::create();
59 AbstractMetadataProvider::~AbstractMetadataProvider()
61 for (credmap_t::iterator c = m_credentialMap.begin(); c!=m_credentialMap.end(); ++c)
62 for_each(c->second.begin(), c->second.end(), xmltooling::cleanup<Credential>());
63 delete m_credentialLock;
67 void AbstractMetadataProvider::emitChangeEvent() const
69 for (credmap_t::iterator c = m_credentialMap.begin(); c!=m_credentialMap.end(); ++c)
70 for_each(c->second.begin(), c->second.end(), xmltooling::cleanup<Credential>());
71 m_credentialMap.clear();
72 ObservableMetadataProvider::emitChangeEvent();
75 void AbstractMetadataProvider::index(EntityDescriptor* site, time_t validUntil, bool replace) const
77 if (validUntil < site->getValidUntilEpoch())
78 site->setValidUntil(validUntil);
80 auto_ptr_char id(site->getEntityID());
83 m_sites.erase(id.get());
84 for (sitemap_t::iterator s = m_sources.begin(); s != m_sources.end();) {
85 if (s->second == site) {
86 sitemap_t::iterator temp = s;
88 m_sources.erase(temp);
95 m_sites.insert(sitemap_t::value_type(id.get(),site));
98 // Process each IdP role.
99 const vector<IDPSSODescriptor*>& roles=const_cast<const EntityDescriptor*>(site)->getIDPSSODescriptors();
100 for (vector<IDPSSODescriptor*>::const_iterator i=roles.begin(); i!=roles.end(); i++) {
102 if ((*i)->hasSupport(samlconstants::SAML10_PROTOCOL_ENUM) || (*i)->hasSupport(samlconstants::SAML11_PROTOCOL_ENUM)) {
103 // Check for SourceID extension element.
104 const Extensions* exts=(*i)->getExtensions();
105 if (exts && exts->hasChildren()) {
106 const vector<XMLObject*>& children=exts->getUnknownXMLObjects();
107 for (vector<XMLObject*>::const_iterator ext=children.begin(); ext!=children.end(); ++ext) {
108 SourceID* sid=dynamic_cast<SourceID*>(*ext);
110 auto_ptr_char sourceid(sid->getID());
111 if (sourceid.get()) {
112 m_sources.insert(sitemap_t::value_type(sourceid.get(),site));
120 m_sources.insert(sitemap_t::value_type(SAMLConfig::getConfig().hashSHA1(id.get(), true),site));
122 // Load endpoints for type 0x0002 artifacts.
123 const vector<ArtifactResolutionService*>& locs=const_cast<const IDPSSODescriptor*>(*i)->getArtifactResolutionServices();
124 for (vector<ArtifactResolutionService*>::const_iterator loc=locs.begin(); loc!=locs.end(); loc++) {
125 auto_ptr_char location((*loc)->getLocation());
127 m_sources.insert(sitemap_t::value_type(location.get(),site));
132 if ((*i)->hasSupport(samlconstants::SAML20P_NS)) {
134 m_sources.insert(sitemap_t::value_type(SAMLConfig::getConfig().hashSHA1(id.get(), true),site));
139 void AbstractMetadataProvider::index(EntitiesDescriptor* group, time_t validUntil) const
141 if (validUntil < group->getValidUntilEpoch())
142 group->setValidUntil(validUntil);
144 auto_ptr_char name(group->getName());
146 m_groups.insert(groupmap_t::value_type(name.get(),group));
149 const vector<EntitiesDescriptor*>& groups=const_cast<const EntitiesDescriptor*>(group)->getEntitiesDescriptors();
150 for (vector<EntitiesDescriptor*>::const_iterator i=groups.begin(); i!=groups.end(); i++)
151 index(*i,group->getValidUntilEpoch());
153 const vector<EntityDescriptor*>& sites=const_cast<const EntitiesDescriptor*>(group)->getEntityDescriptors();
154 for (vector<EntityDescriptor*>::const_iterator j=sites.begin(); j!=sites.end(); j++)
155 index(*j,group->getValidUntilEpoch());
158 void AbstractMetadataProvider::clearDescriptorIndex(bool freeSites)
161 for_each(m_sites.begin(), m_sites.end(), cleanup_const_pair<string,EntityDescriptor>());
167 const EntitiesDescriptor* AbstractMetadataProvider::getEntitiesDescriptor(const char* name, bool strict) const
169 pair<groupmap_t::const_iterator,groupmap_t::const_iterator> range=const_cast<const groupmap_t&>(m_groups).equal_range(name);
171 time_t now=time(NULL);
172 for (groupmap_t::const_iterator i=range.first; i!=range.second; i++)
173 if (now < i->second->getValidUntilEpoch())
176 if (!strict && range.first!=range.second)
177 return range.first->second;
182 pair<const EntityDescriptor*,const RoleDescriptor*> AbstractMetadataProvider::getEntityDescriptor(const Criteria& criteria) const
184 pair<sitemap_t::const_iterator,sitemap_t::const_iterator> range;
185 if (criteria.entityID_ascii)
186 range = const_cast<const sitemap_t&>(m_sites).equal_range(criteria.entityID_ascii);
187 else if (criteria.entityID_unicode) {
188 auto_ptr_char id(criteria.entityID_unicode);
189 range = const_cast<const sitemap_t&>(m_sites).equal_range(id.get());
191 else if (criteria.artifact)
192 range = const_cast<const sitemap_t&>(m_sources).equal_range(criteria.artifact->getSource());
194 return pair<const EntityDescriptor*,const RoleDescriptor*>(NULL,NULL);
196 pair<const EntityDescriptor*,const RoleDescriptor*> result;
198 result.second = NULL;
200 time_t now=time(NULL);
201 for (sitemap_t::const_iterator i=range.first; i!=range.second; i++) {
202 if (now < i->second->getValidUntilEpoch()) {
203 result.first = i->second;
208 if (!result.first && !criteria.validOnly && range.first!=range.second)
209 result.first = range.first->second;
211 if (result.first && criteria.role) {
212 result.second = result.first->getRoleDescriptor(*criteria.role, criteria.protocol);
213 if (!result.second && criteria.protocol2)
214 result.second = result.first->getRoleDescriptor(*criteria.role, criteria.protocol2);
220 const Credential* AbstractMetadataProvider::resolve(const CredentialCriteria* criteria) const
222 const MetadataCredentialCriteria* metacrit = dynamic_cast<const MetadataCredentialCriteria*>(criteria);
224 throw MetadataException("Cannot resolve credentials without a MetadataCredentialCriteria object.");
226 Lock lock(m_credentialLock);
227 const credmap_t::mapped_type& creds = resolveCredentials(metacrit->getRole());
229 for (credmap_t::mapped_type::const_iterator c = creds.begin(); c!=creds.end(); ++c)
230 if (metacrit->matches(*(*c)))
235 vector<const Credential*>::size_type AbstractMetadataProvider::resolve(
236 vector<const Credential*>& results, const CredentialCriteria* criteria
239 const MetadataCredentialCriteria* metacrit = dynamic_cast<const MetadataCredentialCriteria*>(criteria);
241 throw MetadataException("Cannot resolve credentials without a MetadataCredentialCriteria object.");
243 Lock lock(m_credentialLock);
244 const credmap_t::mapped_type& creds = resolveCredentials(metacrit->getRole());
246 for (credmap_t::mapped_type::const_iterator c = creds.begin(); c!=creds.end(); ++c)
247 if (metacrit->matches(*(*c)))
248 results.push_back(*c);
249 return results.size();
252 const AbstractMetadataProvider::credmap_t::mapped_type& AbstractMetadataProvider::resolveCredentials(const RoleDescriptor& role) const
254 credmap_t::const_iterator i = m_credentialMap.find(&role);
255 if (i!=m_credentialMap.end())
258 const KeyInfoResolver* resolver = m_resolver ? m_resolver : XMLToolingConfig::getConfig().getKeyInfoResolver();
259 const vector<KeyDescriptor*>& keys = role.getKeyDescriptors();
260 AbstractMetadataProvider::credmap_t::mapped_type& resolved = m_credentialMap[&role];
261 for (vector<KeyDescriptor*>::const_iterator k = keys.begin(); k!=keys.end(); ++k) {
262 if ((*k)->getKeyInfo()) {
263 auto_ptr<MetadataCredentialContext> mcc(new MetadataCredentialContext(*(*k)));
264 Credential* c = resolver->resolve(mcc.get());
266 resolved.push_back(c);