Fix SIDP-72, for real this time.
[java-idp.git] / src / edu / internet2 / middleware / shibboleth / idp / profile / saml2 / SSOProfileHandler.java
1 /*
2  * Copyright [2007] [University Corporation for Advanced Internet Development, Inc.]
3  *
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
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
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.
15  */
16
17 package edu.internet2.middleware.shibboleth.idp.profile.saml2;
18
19 import java.io.IOException;
20 import java.util.ArrayList;
21
22 import javax.servlet.RequestDispatcher;
23 import javax.servlet.ServletException;
24 import javax.servlet.http.HttpServletRequest;
25 import javax.servlet.http.HttpSession;
26
27 import org.opensaml.common.SAMLObjectBuilder;
28 import org.opensaml.common.binding.decoding.SAMLMessageDecoder;
29 import org.opensaml.common.xml.SAMLConstants;
30 import org.opensaml.saml2.binding.AuthnResponseEndpointSelector;
31 import org.opensaml.saml2.core.AttributeStatement;
32 import org.opensaml.saml2.core.AuthnContext;
33 import org.opensaml.saml2.core.AuthnContextClassRef;
34 import org.opensaml.saml2.core.AuthnContextDeclRef;
35 import org.opensaml.saml2.core.AuthnRequest;
36 import org.opensaml.saml2.core.AuthnStatement;
37 import org.opensaml.saml2.core.RequestedAuthnContext;
38 import org.opensaml.saml2.core.Response;
39 import org.opensaml.saml2.core.Statement;
40 import org.opensaml.saml2.core.StatusCode;
41 import org.opensaml.saml2.core.Subject;
42 import org.opensaml.saml2.core.SubjectLocality;
43 import org.opensaml.saml2.metadata.AssertionConsumerService;
44 import org.opensaml.saml2.metadata.Endpoint;
45 import org.opensaml.saml2.metadata.EntityDescriptor;
46 import org.opensaml.saml2.metadata.IDPSSODescriptor;
47 import org.opensaml.saml2.metadata.SPSSODescriptor;
48 import org.opensaml.saml2.metadata.provider.MetadataProvider;
49 import org.opensaml.saml2.metadata.provider.MetadataProviderException;
50 import org.opensaml.ws.message.decoder.MessageDecodingException;
51 import org.opensaml.ws.transport.http.HTTPInTransport;
52 import org.opensaml.ws.transport.http.HTTPOutTransport;
53 import org.opensaml.ws.transport.http.HttpServletRequestAdapter;
54 import org.opensaml.ws.transport.http.HttpServletResponseAdapter;
55 import org.opensaml.xml.io.MarshallingException;
56 import org.opensaml.xml.io.UnmarshallingException;
57 import org.opensaml.xml.security.SecurityException;
58 import org.opensaml.xml.util.DatatypeHelper;
59 import org.slf4j.Logger;
60 import org.slf4j.LoggerFactory;
61
62 import edu.internet2.middleware.shibboleth.common.profile.ProfileException;
63 import edu.internet2.middleware.shibboleth.common.relyingparty.ProfileConfiguration;
64 import edu.internet2.middleware.shibboleth.common.relyingparty.RelyingPartyConfiguration;
65 import edu.internet2.middleware.shibboleth.common.relyingparty.provider.saml2.SSOConfiguration;
66 import edu.internet2.middleware.shibboleth.common.util.HttpHelper;
67 import edu.internet2.middleware.shibboleth.idp.authn.LoginContext;
68 import edu.internet2.middleware.shibboleth.idp.authn.Saml2LoginContext;
69
70 /** SAML 2.0 SSO request profile handler. */
71 public class SSOProfileHandler extends AbstractSAML2ProfileHandler {
72
73     /** Class logger. */
74     private final Logger log = LoggerFactory.getLogger(SSOProfileHandler.class);
75
76     /** Builder of AuthnStatement objects. */
77     private SAMLObjectBuilder<AuthnStatement> authnStatementBuilder;
78
79     /** Builder of AuthnContext objects. */
80     private SAMLObjectBuilder<AuthnContext> authnContextBuilder;
81
82     /** Builder of AuthnContextClassRef objects. */
83     private SAMLObjectBuilder<AuthnContextClassRef> authnContextClassRefBuilder;
84
85     /** Builder of AuthnContextDeclRef objects. */
86     private SAMLObjectBuilder<AuthnContextDeclRef> authnContextDeclRefBuilder;
87
88     /** Builder of SubjectLocality objects. */
89     private SAMLObjectBuilder<SubjectLocality> subjectLocalityBuilder;
90
91     /** URL of the authentication manager servlet. */
92     private String authenticationManagerPath;
93
94     /** URI of request decoder. */
95     private String decodingBinding;
96
97     /**
98      * Constructor.
99      * 
100      * @param authnManagerPath path to the authentication manager servlet
101      */
102     @SuppressWarnings("unchecked")
103     public SSOProfileHandler(String authnManagerPath) {
104         super();
105
106         authenticationManagerPath = authnManagerPath;
107
108         authnStatementBuilder = (SAMLObjectBuilder<AuthnStatement>) getBuilderFactory().getBuilder(
109                 AuthnStatement.DEFAULT_ELEMENT_NAME);
110         authnContextBuilder = (SAMLObjectBuilder<AuthnContext>) getBuilderFactory().getBuilder(
111                 AuthnContext.DEFAULT_ELEMENT_NAME);
112         authnContextClassRefBuilder = (SAMLObjectBuilder<AuthnContextClassRef>) getBuilderFactory().getBuilder(
113                 AuthnContextClassRef.DEFAULT_ELEMENT_NAME);
114         authnContextDeclRefBuilder = (SAMLObjectBuilder<AuthnContextDeclRef>) getBuilderFactory().getBuilder(
115                 AuthnContextDeclRef.DEFAULT_ELEMENT_NAME);
116         subjectLocalityBuilder = (SAMLObjectBuilder<SubjectLocality>) getBuilderFactory().getBuilder(
117                 SubjectLocality.DEFAULT_ELEMENT_NAME);
118     }
119
120     /** {@inheritDoc} */
121     public String getProfileId() {
122         return "urn:mace:shibboleth:2.0:idp:profiles:saml2:request:sso";
123     }
124
125     /** {@inheritDoc} */
126     public void processRequest(HTTPInTransport inTransport, HTTPOutTransport outTransport) throws ProfileException {
127         HttpServletRequest servletRequest = ((HttpServletRequestAdapter) inTransport).getWrappedRequest();
128         HttpSession httpSession = servletRequest.getSession(true);
129         LoginContext loginContext = (LoginContext) httpSession.getAttribute(LoginContext.LOGIN_CONTEXT_KEY);
130
131         if (loginContext == null) {
132             log.debug("User session does not contain a login context, processing as first leg of request");
133             performAuthentication(inTransport, outTransport);
134         } else if (!loginContext.isPrincipalAuthenticated()) {
135             log
136                     .debug("User session contained a login context but user was not authenticated, processing as first leg of request");
137             performAuthentication(inTransport, outTransport);
138         } else {
139             log.debug("User session contains a login context, processing as second leg of request");
140             completeAuthenticationRequest(inTransport, outTransport);
141         }
142     }
143
144     /**
145      * Creates a {@link Saml2LoginContext} an sends the request off to the AuthenticationManager to begin the process of
146      * authenticating the user.
147      * 
148      * @param inTransport inbound request transport
149      * @param outTransport outbound response transport
150      * 
151      * @throws ProfileException thrown if there is a problem creating the login context and transferring control to the
152      *             authentication manager
153      */
154     protected void performAuthentication(HTTPInTransport inTransport, HTTPOutTransport outTransport)
155             throws ProfileException {
156         HttpServletRequest servletRequest = ((HttpServletRequestAdapter) inTransport).getWrappedRequest();
157         HttpSession httpSession = servletRequest.getSession();
158
159         try {
160             SSORequestContext requestContext = decodeRequest(inTransport, outTransport);
161
162             String relyingPartyId = requestContext.getInboundMessageIssuer();
163             RelyingPartyConfiguration rpConfig = getRelyingPartyConfiguration(relyingPartyId);
164             ProfileConfiguration ssoConfig = rpConfig.getProfileConfiguration(SSOConfiguration.PROFILE_ID);
165             if (ssoConfig == null) {
166                 log.error("SAML 2 SSO profile is not configured for relying party "
167                         + requestContext.getInboundMessageIssuer());
168                 throw new ProfileException("SAML 2 SSO profile is not configured for relying party "
169                         + requestContext.getInboundMessageIssuer());
170             }
171
172             log.debug("Creating login context and transferring control to authentication engine");
173             Saml2LoginContext loginContext = new Saml2LoginContext(relyingPartyId, requestContext.getRelayState(),
174                     requestContext.getInboundSAMLMessage());
175             loginContext.setAuthenticationEngineURL(authenticationManagerPath);
176             loginContext.setProfileHandlerURL(HttpHelper.getRequestUriWithoutContext(servletRequest));
177             if (loginContext.getRequestedAuthenticationMethods().size() == 0) {
178                 loginContext.getRequestedAuthenticationMethods().add(rpConfig.getDefaultAuthenticationMethod());
179             }
180
181             httpSession.setAttribute(Saml2LoginContext.LOGIN_CONTEXT_KEY, loginContext);
182             RequestDispatcher dispatcher = servletRequest.getRequestDispatcher(authenticationManagerPath);
183             dispatcher.forward(servletRequest, ((HttpServletResponseAdapter) outTransport).getWrappedResponse());
184         } catch (MarshallingException e) {
185             httpSession.removeAttribute(LoginContext.LOGIN_CONTEXT_KEY);
186             log.error("Unable to marshall authentication request context");
187             throw new ProfileException("Unable to marshall authentication request context", e);
188         } catch (IOException ex) {
189             httpSession.removeAttribute(LoginContext.LOGIN_CONTEXT_KEY);
190             log.error("Error forwarding SAML 2 AuthnRequest to AuthenticationManager", ex);
191             throw new ProfileException("Error forwarding SAML 2 AuthnRequest to AuthenticationManager", ex);
192         } catch (ServletException ex) {
193             httpSession.removeAttribute(LoginContext.LOGIN_CONTEXT_KEY);
194             log.error("Error forwarding SAML 2 AuthnRequest to AuthenticationManager", ex);
195             throw new ProfileException("Error forwarding SAML 2 AuthnRequest to AuthenticationManager", ex);
196         }
197     }
198
199     /**
200      * Creates a response to the {@link AuthnRequest} and sends the user, with response in tow, back to the relying
201      * party after they've been authenticated.
202      * 
203      * @param inTransport inbound message transport
204      * @param outTransport outbound message transport
205      * 
206      * @throws ProfileException thrown if the response can not be created and sent back to the relying party
207      */
208     protected void completeAuthenticationRequest(HTTPInTransport inTransport, HTTPOutTransport outTransport)
209             throws ProfileException {
210         HttpServletRequest servletRequest = ((HttpServletRequestAdapter) inTransport).getWrappedRequest();
211         HttpSession httpSession = servletRequest.getSession();
212
213         Saml2LoginContext loginContext = (Saml2LoginContext) httpSession.getAttribute(LoginContext.LOGIN_CONTEXT_KEY);
214         httpSession.removeAttribute(LoginContext.LOGIN_CONTEXT_KEY);
215
216         SSORequestContext requestContext = buildRequestContext(loginContext, inTransport, outTransport);
217
218         checkSamlVersion(requestContext);
219
220         Response samlResponse;
221         try {
222             if (loginContext.getPrincipalName() == null) {
223                 log.error("User's login context did not contain a principal, user considered unauthenticiated.");
224                 requestContext
225                         .setFailureStatus(buildStatus(StatusCode.RESPONDER_URI, StatusCode.AUTHN_FAILED_URI, null));
226                 throw new ProfileException("User failed authentication");
227             }
228
229             if (requestContext.getSubjectNameIdentifier() != null) {
230                 log.debug("Authentication request contained a subject with a name identifier, resolving principal from NameID");
231                 resolvePrincipal(requestContext);
232                 String requestedPrincipalName = requestContext.getPrincipalName();
233                 if (!DatatypeHelper.safeEquals(loginContext.getPrincipalName(), requestedPrincipalName)) {
234                     log.error("Authentication request identified principal {} but authentication mechanism identified principal {}",
235                                     requestedPrincipalName, loginContext.getPrincipalName());
236                     requestContext.setFailureStatus(buildStatus(StatusCode.RESPONDER_URI, StatusCode.AUTHN_FAILED_URI,
237                             null));
238                     throw new ProfileException("User failed authentication");
239                 }
240             }
241
242             resolveAttributes(requestContext);
243
244             ArrayList<Statement> statements = new ArrayList<Statement>();
245             statements.add(buildAuthnStatement(requestContext));
246             if (requestContext.getProfileConfiguration().includeAttributeStatement()) {
247                 AttributeStatement attributeStatement = buildAttributeStatement(requestContext);
248                 if (attributeStatement != null) {
249                     requestContext.setRequestedAttributes(requestContext.getPrincipalAttributes().keySet());
250                     statements.add(attributeStatement);
251                 }
252             }
253
254             samlResponse = buildResponse(requestContext, "urn:oasis:names:tc:SAML:2.0:cm:bearer", statements);
255         } catch (ProfileException e) {
256             samlResponse = buildErrorResponse(requestContext);
257         }
258
259         requestContext.setOutboundSAMLMessage(samlResponse);
260         requestContext.setOutboundSAMLMessageId(samlResponse.getID());
261         requestContext.setOutboundSAMLMessageIssueInstant(samlResponse.getIssueInstant());
262         encodeResponse(requestContext);
263         writeAuditLogEntry(requestContext);
264     }
265
266     /**
267      * Decodes an incoming request and stores the information in a created request context.
268      * 
269      * @param inTransport inbound transport
270      * @param outTransport outbound transport
271      * 
272      * @return request context with decoded information
273      * 
274      * @throws ProfileException thrown if the incomming message failed decoding
275      */
276     protected SSORequestContext decodeRequest(HTTPInTransport inTransport, HTTPOutTransport outTransport)
277             throws ProfileException {
278         log.debug("Decoding message with decoder binding {}", decodingBinding);
279
280         SSORequestContext requestContext = new SSORequestContext();
281         requestContext.setMetadataProvider(getMetadataProvider());
282         requestContext.setSecurityPolicyResolver(getSecurityPolicyResolver());
283
284         requestContext.setCommunicationProfileId(SSOConfiguration.PROFILE_ID);
285         requestContext.setInboundMessageTransport(inTransport);
286         requestContext.setInboundSAMLProtocol(SAMLConstants.SAML20P_NS);
287         requestContext.setPeerEntityRole(SPSSODescriptor.DEFAULT_ELEMENT_NAME);
288
289         requestContext.setOutboundMessageTransport(outTransport);
290         requestContext.setOutboundSAMLProtocol(SAMLConstants.SAML20P_NS);
291
292         try {
293             SAMLMessageDecoder decoder = getMessageDecoders().get(getInboundBinding());
294             requestContext.setMessageDecoder(decoder);
295             decoder.decode(requestContext);
296             return requestContext;
297         } catch (MessageDecodingException e) {
298             log.error("Error decoding authentication request message", e);
299             throw new ProfileException("Error decoding authentication request message", e);
300         } catch (SecurityException e) {
301             log.error("Message did not meet security requirements", e);
302             throw new ProfileException("Message did not meet security requirements", e);
303         }
304     }
305
306     /**
307      * Creates an authentication request context from the current environmental information.
308      * 
309      * @param loginContext current login context
310      * @param in inbound transport
311      * @param out outbount transport
312      * 
313      * @return created authentication request context
314      * 
315      * @throws ProfileException thrown if there is a problem creating the context
316      */
317     protected SSORequestContext buildRequestContext(Saml2LoginContext loginContext, HTTPInTransport in,
318             HTTPOutTransport out) throws ProfileException {
319         SSORequestContext requestContext = new SSORequestContext();
320
321         requestContext.setMessageDecoder(getMessageDecoders().get(getInboundBinding()));
322
323         requestContext.setLoginContext(loginContext);
324         requestContext.setPrincipalName(loginContext.getPrincipalName());
325         requestContext.setPrincipalAuthenticationMethod(loginContext.getAuthenticationMethod());
326         requestContext.setUserSession(getUserSession(in));
327         requestContext.setRelayState(loginContext.getRelayState());
328
329         requestContext.setInboundMessageTransport(in);
330         requestContext.setInboundSAMLProtocol(SAMLConstants.SAML20P_NS);
331
332         try {
333             AuthnRequest authnRequest = loginContext.getAuthenticationRequest();
334             requestContext.setInboundMessage(authnRequest);
335             requestContext.setInboundSAMLMessage(loginContext.getAuthenticationRequest());
336             requestContext.setInboundSAMLMessageId(loginContext.getAuthenticationRequest().getID());
337
338             Subject authnSubject = authnRequest.getSubject();
339             if (authnSubject != null) {
340                 requestContext.setSubjectNameIdentifier(authnSubject.getNameID());
341             }
342         } catch (UnmarshallingException e) {
343             log.error("Unable to unmarshall authentication request context");
344             requestContext.setFailureStatus(buildStatus(StatusCode.RESPONDER_URI, null,
345                     "Error recovering request state"));
346             throw new ProfileException("Error recovering request state", e);
347         }
348
349         requestContext.setOutboundMessageTransport(out);
350         requestContext.setOutboundSAMLProtocol(SAMLConstants.SAML20P_NS);
351
352         MetadataProvider metadataProvider = getMetadataProvider();
353         requestContext.setMetadataProvider(metadataProvider);
354
355         String relyingPartyId = loginContext.getRelyingPartyId();
356         requestContext.setInboundMessageIssuer(relyingPartyId);
357         try {
358             EntityDescriptor relyingPartyMetadata = metadataProvider.getEntityDescriptor(relyingPartyId);
359             if (relyingPartyMetadata != null) {
360                 requestContext.setPeerEntityMetadata(relyingPartyMetadata);
361                 requestContext.setPeerEntityRole(SPSSODescriptor.DEFAULT_ELEMENT_NAME);
362                 requestContext.setPeerEntityRoleMetadata(relyingPartyMetadata
363                         .getSPSSODescriptor(SAMLConstants.SAML20P_NS));
364             }
365         } catch (MetadataProviderException e) {
366             log.error("Unable to locate metadata for relying party");
367             requestContext.setFailureStatus(buildStatus(StatusCode.RESPONDER_URI, null,
368                     "Error locating relying party metadata"));
369             throw new ProfileException("Error locating relying party metadata");
370         }
371
372         RelyingPartyConfiguration rpConfig = getRelyingPartyConfiguration(relyingPartyId);
373         if (rpConfig == null) {
374             log.error("Unable to retrieve relying party configuration data for entity with ID {}", relyingPartyId);
375             throw new ProfileException("Unable to retrieve relying party configuration data for entity with ID "
376                     + relyingPartyId);
377         }
378         requestContext.setRelyingPartyConfiguration(rpConfig);
379
380         SSOConfiguration profileConfig = (SSOConfiguration) rpConfig
381                 .getProfileConfiguration(SSOConfiguration.PROFILE_ID);
382         requestContext.setProfileConfiguration(profileConfig);
383         requestContext.setOutboundMessageArtifactType(profileConfig.getOutboundArtifactType());
384         if (profileConfig.getSigningCredential() != null) {
385             requestContext.setOutboundSAMLMessageSigningCredential(profileConfig.getSigningCredential());
386         } else if (rpConfig.getDefaultSigningCredential() != null) {
387             requestContext.setOutboundSAMLMessageSigningCredential(rpConfig.getDefaultSigningCredential());
388         }
389         requestContext.setPeerEntityEndpoint(selectEndpoint(requestContext));
390
391         String assertingPartyId = rpConfig.getProviderId();
392         requestContext.setLocalEntityId(assertingPartyId);
393
394         try {
395             EntityDescriptor localEntityDescriptor = metadataProvider.getEntityDescriptor(assertingPartyId);
396             if (localEntityDescriptor != null) {
397                 requestContext.setLocalEntityMetadata(localEntityDescriptor);
398                 requestContext.setLocalEntityRole(IDPSSODescriptor.DEFAULT_ELEMENT_NAME);
399                 requestContext.setLocalEntityRoleMetadata(localEntityDescriptor
400                         .getIDPSSODescriptor(SAMLConstants.SAML20P_NS));
401             }
402         } catch (MetadataProviderException e) {
403             log.error("Unable to locate metadata for asserting party");
404             requestContext.setFailureStatus(buildStatus(StatusCode.RESPONDER_URI, null,
405                     "Error locating asserting party metadata"));
406             throw new ProfileException("Error locating asserting party metadata");
407         }
408
409         return requestContext;
410     }
411
412     /**
413      * Creates an authentication statement for the current request.
414      * 
415      * @param requestContext current request context
416      * 
417      * @return constructed authentication statement
418      */
419     protected AuthnStatement buildAuthnStatement(SSORequestContext requestContext) {
420         Saml2LoginContext loginContext = requestContext.getLoginContext();
421
422         AuthnContext authnContext = buildAuthnContext(requestContext);
423
424         AuthnStatement statement = authnStatementBuilder.buildObject();
425         statement.setAuthnContext(authnContext);
426         statement.setAuthnInstant(loginContext.getAuthenticationInstant());
427
428         // TODO
429         statement.setSessionIndex(null);
430
431         if (loginContext.getAuthenticationDuration() > 0) {
432             statement.setSessionNotOnOrAfter(loginContext.getAuthenticationInstant().plus(
433                     loginContext.getAuthenticationDuration()));
434         }
435
436         statement.setSubjectLocality(buildSubjectLocality(requestContext));
437
438         return statement;
439     }
440
441     /**
442      * Creates an {@link AuthnContext} for a succesful authentication request.
443      * 
444      * @param requestContext current request
445      * 
446      * @return the built authn context
447      */
448     protected AuthnContext buildAuthnContext(SSORequestContext requestContext) {
449         AuthnContext authnContext = authnContextBuilder.buildObject();
450
451         Saml2LoginContext loginContext = requestContext.getLoginContext();
452         AuthnRequest authnRequest = requestContext.getInboundSAMLMessage();
453         RequestedAuthnContext requestedAuthnContext = authnRequest.getRequestedAuthnContext();
454         if (requestedAuthnContext != null) {
455             if (requestedAuthnContext.getAuthnContextClassRefs() != null) {
456                 for (AuthnContextClassRef classRef : requestedAuthnContext.getAuthnContextClassRefs()) {
457                     if (classRef.getAuthnContextClassRef().equals(loginContext.getAuthenticationMethod())) {
458                         AuthnContextClassRef ref = authnContextClassRefBuilder.buildObject();
459                         ref.setAuthnContextClassRef(loginContext.getAuthenticationMethod());
460                         authnContext.setAuthnContextClassRef(ref);
461                     }
462                 }
463             } else if (requestedAuthnContext.getAuthnContextDeclRefs() != null) {
464                 for (AuthnContextDeclRef declRef : requestedAuthnContext.getAuthnContextDeclRefs()) {
465                     if (declRef.getAuthnContextDeclRef().equals(loginContext.getAuthenticationMethod())) {
466                         AuthnContextDeclRef ref = authnContextDeclRefBuilder.buildObject();
467                         ref.setAuthnContextDeclRef(loginContext.getAuthenticationMethod());
468                         authnContext.setAuthnContextDeclRef(ref);
469                     }
470                 }
471             }
472         } else {
473             AuthnContextDeclRef ref = authnContextDeclRefBuilder.buildObject();
474             ref.setAuthnContextDeclRef(loginContext.getAuthenticationMethod());
475             authnContext.setAuthnContextDeclRef(ref);
476         }
477
478         return authnContext;
479     }
480
481     /**
482      * Constructs the subject locality for the authentication statement.
483      * 
484      * @param requestContext curent request context
485      * 
486      * @return subject locality for the authentication statement
487      */
488     protected SubjectLocality buildSubjectLocality(SSORequestContext requestContext) {
489         HTTPInTransport transport = (HTTPInTransport) requestContext.getInboundMessageTransport();
490         SubjectLocality subjectLocality = subjectLocalityBuilder.buildObject();
491         subjectLocality.setAddress(transport.getPeerAddress());
492         subjectLocality.setDNSName(transport.getPeerDomainName());
493
494         return subjectLocality;
495     }
496
497     /**
498      * Selects the appropriate endpoint for the relying party and stores it in the request context.
499      * 
500      * @param requestContext current request context
501      * 
502      * @return Endpoint selected from the information provided in the request context
503      */
504     protected Endpoint selectEndpoint(SSORequestContext requestContext) {
505         AuthnResponseEndpointSelector endpointSelector = new AuthnResponseEndpointSelector();
506         endpointSelector.setEndpointType(AssertionConsumerService.DEFAULT_ELEMENT_NAME);
507         endpointSelector.setMetadataProvider(getMetadataProvider());
508         endpointSelector.setEntityMetadata(requestContext.getPeerEntityMetadata());
509         endpointSelector.setEntityRoleMetadata(requestContext.getPeerEntityRoleMetadata());
510         endpointSelector.setSamlRequest(requestContext.getInboundSAMLMessage());
511         endpointSelector.getSupportedIssuerBindings().addAll(getSupportedOutboundBindings());
512         return endpointSelector.selectEndpoint();
513     }
514
515     /** Represents the internal state of a SAML 2.0 SSO Request while it's being processed by the IdP. */
516     protected class SSORequestContext extends BaseSAML2ProfileRequestContext<AuthnRequest, Response, SSOConfiguration> {
517
518         /** Current login context. */
519         private Saml2LoginContext loginContext;
520
521         /**
522          * Gets the current login context.
523          * 
524          * @return current login context
525          */
526         public Saml2LoginContext getLoginContext() {
527             return loginContext;
528         }
529
530         /**
531          * Sets the current login context.
532          * 
533          * @param context current login context
534          */
535         public void setLoginContext(Saml2LoginContext context) {
536             loginContext = context;
537         }
538     }
539 }