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 * @file shibsp/SessionCache.h
20 * Caches and manages user sessions
23 #ifndef __shibsp_sessioncache_h__
24 #define __shibsp_sessioncache_h__
26 #include <shibsp/base.h>
29 # include <saml/saml1/core/Assertions.h>
30 # include <saml/saml2/metadata/Metadata.h>
32 #include <xmltooling/Lockable.h>
36 class SHIBSP_API Application;
37 class SHIBSP_API Attribute;
39 class SHIBSP_API Session : public virtual xmltooling::Lockable
41 MAKE_NONCOPYABLE(Session);
47 * Returns the session key.
49 * @return unique ID of session
51 virtual const char* getID() const=0;
54 * Returns the session's application ID.
56 * @return unique ID of application bound to session
58 virtual const char* getApplicationID() const=0;
61 * Returns the session expiration.
63 * @return the session's expiration time or 0 for none
65 virtual time_t getExpiration() const=0;
68 * Returns the last access time of the session.
70 * @return the session's last access time
72 virtual time_t getLastAccess() const=0;
75 * Returns the address of the client associated with the session.
77 * @return the client's network address
79 virtual const char* getClientAddress() const=0;
82 * Returns the entityID of the IdP that initiated the session.
84 * @return the IdP's entityID
86 virtual const char* getEntityID() const=0;
89 * Returns the protocol family used to initiate the session.
91 * @return the protocol constant that represents the general SSO protocol used
93 virtual const char* getProtocol() const=0;
96 * Returns the UTC timestamp on the authentication event at the IdP.
98 * @return the UTC authentication timestamp
100 virtual const char* getAuthnInstant() const=0;
104 * Returns the NameID associated with a session.
106 * <p>SAML 1.x identifiers will be promoted to the 2.0 type.
108 * @return a SAML 2.0 NameID associated with the session, if any
110 virtual const opensaml::saml2::NameID* getNameID() const=0;
114 * Returns the SessionIndex provided with the session.
116 * @return the SessionIndex from the original SSO assertion, if any
118 virtual const char* getSessionIndex() const=0;
121 * Returns a URI containing an AuthnContextClassRef provided with the session.
123 * <p>SAML 1.x AuthenticationMethods will be returned as class references.
125 * @return a URI identifying the authentication context class
127 virtual const char* getAuthnContextClassRef() const=0;
130 * Returns a URI containing an AuthnContextDeclRef provided with the session.
132 * @return a URI identifying the authentication context declaration
134 virtual const char* getAuthnContextDeclRef() const=0;
137 * Returns the resolved attributes associated with the session.
139 * @return an immutable array of attributes
141 virtual const std::vector<Attribute*>& getAttributes() const=0;
144 * Returns the resolved attributes associated with the session, indexed by ID
146 * @return an immutable map of attributes keyed by attribute ID
148 virtual const std::multimap<std::string,const Attribute*>& getIndexedAttributes() const=0;
151 * Returns the identifiers of the assertion(s) cached by the session.
153 * <p>The SSO assertion is guaranteed to be first in the set.
155 * @return an immutable array of AssertionID values
157 virtual const std::vector<const char*>& getAssertionIDs() const=0;
161 * Adds additional attributes to the session.
163 * @param attributes reference to an array of Attributes to cache (will be freed by cache)
165 virtual void addAttributes(const std::vector<Attribute*>& attributes)=0;
168 * Returns an assertion cached by the session.
170 * @param id identifier of the assertion to retrieve
171 * @return pointer to assertion, or NULL
173 virtual const opensaml::Assertion* getAssertion(const char* id) const=0;
176 * Stores an assertion in the session.
178 * @param assertion pointer to an assertion to cache (will be freed by cache)
180 virtual void addAssertion(opensaml::Assertion* assertion)=0;
185 * Creates and manages user sessions
187 * The cache abstracts a persistent (meaning across requests) cache of
188 * instances of the Session interface. Creation of new entries and entry
189 * lookup are confined to this interface to enable the implementation to
190 * remote and/or optimize calls by implementing custom versions of the
191 * Session interface as required.
193 class SHIBSP_API SessionCache
195 MAKE_NONCOPYABLE(SessionCache);
199 virtual ~SessionCache() {}
203 * Inserts a new session into the cache.
205 * <p>The SSO tokens and Attributes remain owned by the caller and are copied by the cache.
207 * @param expires expiration time of session
208 * @param application reference to Application that owns the Session
209 * @param client_addr network address of client
210 * @param issuer issuing metadata of assertion issuer, if known
211 * @param protocol protocol family used to initiate the session
212 * @param nameid principal identifier, normalized to SAML 2, if any
213 * @param authn_instant UTC timestamp of authentication at IdP, if known
214 * @param session_index index of session between principal and IdP, if any
215 * @param authncontext_class method/category of authentication event, if known
216 * @param authncontext_decl specifics of authentication event, if known
217 * @param tokens assertions to cache with session, if any
218 * @param attributes optional array of resolved Attributes to cache with session
219 * @return newly created session's key
221 virtual std::string insert(
223 const Application& application,
224 const char* client_addr=NULL,
225 const opensaml::saml2md::EntityDescriptor* issuer=NULL,
226 const XMLCh* protocol=NULL,
227 const opensaml::saml2::NameID* nameid=NULL,
228 const XMLCh* authn_instant=NULL,
229 const XMLCh* session_index=NULL,
230 const XMLCh* authncontext_class=NULL,
231 const XMLCh* authncontext_decl=NULL,
232 const std::vector<const opensaml::Assertion*>* tokens=NULL,
233 const std::vector<Attribute*>* attributes=NULL
237 * Returns active sessions that match particular parameters and records the logout
238 * to prevent race conditions.
240 * <p>On exit, the mapping between these sessions and the associated information MAY be
241 * removed by the cache, so subsequent calls to this method may not return anything.
243 * <p>Until logout expiration, any attempt to create a session with the same parameters
244 * will be blocked by the cache.
246 * @param issuer source of session(s)
247 * @param nameid name identifier associated with the session(s) to terminate
248 * @param indexes indexes of sessions, or NULL for all sessions associated with other parameters
249 * @param expires logout expiration
250 * @param application reference to Application that owns the session(s)
251 * @param sessions on exit, contains the IDs of the matching sessions found
253 virtual std::vector<std::string>::size_type logout(
254 const opensaml::saml2md::EntityDescriptor* issuer,
255 const opensaml::saml2::NameID& nameid,
256 const std::set<std::string>* indexes,
258 const Application& application,
259 std::vector<std::string>& sessions
263 * Determines whether a given session (based on its ID) matches a set of input
266 * @param key session key to check
267 * @param issuer required source of session(s)
268 * @param nameid required name identifier
269 * @param indexes session indexes
270 * @param application reference to Application that owns the Session
271 * @return true iff the session matches the input criteria
273 virtual bool matches(
275 const opensaml::saml2md::EntityDescriptor* issuer,
276 const opensaml::saml2::NameID& nameid,
277 const std::set<std::string>* indexes,
278 const Application& application
282 * Executes a test of the cache's general health.
284 virtual void test()=0;
288 * Locates an existing session.
290 * <p>If the client address is supplied, then a check will be performed against
291 * the address recorded in the record.
293 * @param key session key
294 * @param application reference to Application that owns the Session
295 * @param client_addr network address of client (if known)
296 * @param timeout inactivity timeout to enforce (0 for none, NULL to bypass check/update of last access)
297 * @return pointer to locked Session, or NULL
299 virtual Session* find(
300 const char* key, const Application& application, const char* client_addr=NULL, time_t* timeout=NULL
304 * Deletes an existing session.
306 * @param key session key
307 * @param application reference to Application that owns the Session
309 virtual void remove(const char* key, const Application& application)=0;
312 /** SessionCache implementation backed by a StorageService. */
313 #define STORAGESERVICE_SESSION_CACHE "StorageService"
316 * Registers SessionCache classes into the runtime.
318 void SHIBSP_API registerSessionCaches();
321 #endif /* __shibsp_sessioncache_h__ */