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