| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package org.apache.guacamole.auth.cas; |
| |
| import com.google.inject.Guice; |
| import com.google.inject.Injector; |
| import org.apache.guacamole.GuacamoleException; |
| import org.apache.guacamole.auth.cas.user.CASAuthenticatedUser; |
| import org.apache.guacamole.net.auth.AbstractAuthenticationProvider; |
| import org.apache.guacamole.net.auth.AuthenticatedUser; |
| import org.apache.guacamole.net.auth.Credentials; |
| import org.apache.guacamole.net.auth.TokenInjectingUserContext; |
| import org.apache.guacamole.net.auth.UserContext; |
| |
| /** |
| * Guacamole authentication backend which authenticates users using an |
| * arbitrary external system implementing CAS. No storage for connections is |
| * provided - only authentication. Storage must be provided by some other |
| * extension. |
| */ |
| public class CASAuthenticationProvider extends AbstractAuthenticationProvider { |
| |
| /** |
| * Injector which will manage the object graph of this authentication |
| * provider. |
| */ |
| private final Injector injector; |
| |
| /** |
| * Creates a new CASAuthenticationProvider that authenticates users |
| * against an CAS service |
| * |
| * @throws GuacamoleException |
| * If a required property is missing, or an error occurs while parsing |
| * a property. |
| */ |
| public CASAuthenticationProvider() throws GuacamoleException { |
| |
| // Set up Guice injector. |
| injector = Guice.createInjector( |
| new CASAuthenticationProviderModule(this) |
| ); |
| |
| } |
| |
| @Override |
| public String getIdentifier() { |
| return "cas"; |
| } |
| |
| @Override |
| public AuthenticatedUser authenticateUser(Credentials credentials) |
| throws GuacamoleException { |
| |
| // Attempt to authenticate user with given credentials |
| AuthenticationProviderService authProviderService = injector.getInstance(AuthenticationProviderService.class); |
| return authProviderService.authenticateUser(credentials); |
| |
| } |
| |
| @Override |
| public UserContext decorate(UserContext context, |
| AuthenticatedUser authenticatedUser, Credentials credentials) |
| throws GuacamoleException { |
| |
| if (!(authenticatedUser instanceof CASAuthenticatedUser)) |
| return context; |
| |
| return new TokenInjectingUserContext(context, |
| ((CASAuthenticatedUser) authenticatedUser).getTokens()); |
| } |
| |
| } |