| /* |
| * 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.Inject; |
| import com.google.inject.Provider; |
| import java.util.Arrays; |
| import java.util.Map; |
| import javax.servlet.http.HttpServletRequest; |
| import org.apache.guacamole.form.Field; |
| import org.apache.guacamole.GuacamoleException; |
| import org.apache.guacamole.net.auth.Credentials; |
| import org.apache.guacamole.net.auth.credentials.CredentialsInfo; |
| import org.apache.guacamole.net.auth.credentials.GuacamoleInvalidCredentialsException; |
| import org.apache.guacamole.auth.cas.conf.ConfigurationService; |
| import org.apache.guacamole.auth.cas.form.CASTicketField; |
| import org.apache.guacamole.auth.cas.ticket.TicketValidationService; |
| import org.apache.guacamole.auth.cas.user.CASAuthenticatedUser; |
| import org.apache.guacamole.language.TranslatableMessage; |
| |
| /** |
| * Service providing convenience functions for the CAS AuthenticationProvider |
| * implementation. |
| */ |
| public class AuthenticationProviderService { |
| |
| /** |
| * Service for retrieving CAS configuration information. |
| */ |
| @Inject |
| private ConfigurationService confService; |
| |
| /** |
| * Service for validating received ID tickets. |
| */ |
| @Inject |
| private TicketValidationService ticketService; |
| |
| /** |
| * Provider for AuthenticatedUser objects. |
| */ |
| @Inject |
| private Provider<CASAuthenticatedUser> authenticatedUserProvider; |
| |
| /** |
| * Returns an AuthenticatedUser representing the user authenticated by the |
| * given credentials. |
| * |
| * @param credentials |
| * The credentials to use for authentication. |
| * |
| * @return |
| * A CASAuthenticatedUser representing the user authenticated by the |
| * given credentials. |
| * |
| * @throws GuacamoleException |
| * If an error occurs while authenticating the user, or if access is |
| * denied. |
| */ |
| public CASAuthenticatedUser authenticateUser(Credentials credentials) |
| throws GuacamoleException { |
| |
| // Pull CAS ticket from request if present |
| HttpServletRequest request = credentials.getRequest(); |
| if (request != null) { |
| String ticket = request.getParameter(CASTicketField.PARAMETER_NAME); |
| if (ticket != null) { |
| Map<String, String> tokens = ticketService.validateTicket(ticket, credentials); |
| String username = credentials.getUsername(); |
| if (username != null) { |
| CASAuthenticatedUser authenticatedUser = authenticatedUserProvider.get(); |
| authenticatedUser.init(username, credentials, tokens); |
| return authenticatedUser; |
| } |
| } |
| } |
| |
| // Request CAS ticket |
| throw new GuacamoleInvalidCredentialsException("Invalid login.", |
| new CredentialsInfo(Arrays.asList(new Field[] { |
| |
| // CAS-specific ticket (will automatically redirect the user |
| // to the authorization page via JavaScript) |
| new CASTicketField( |
| confService.getAuthorizationEndpoint(), |
| confService.getRedirectURI(), |
| new TranslatableMessage("LOGIN.INFO_CAS_REDIRECT_PENDING") |
| ) |
| |
| })) |
| ); |
| |
| } |
| |
| } |