| /* |
| * Copyright 2005-2008 Les Hazlewood |
| * |
| * Licensed 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.jsecurity.authc.pam; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.jsecurity.authc.Account; |
| import org.jsecurity.authc.AuthenticationException; |
| import org.jsecurity.authc.AuthenticationToken; |
| import org.jsecurity.authc.UnknownAccountException; |
| import org.jsecurity.authz.SimpleAuthorizingAccount; |
| import org.jsecurity.realm.Realm; |
| |
| import java.util.Collection; |
| |
| /** |
| * <tt>ModularAuthenticationStrategy</tt> implementation that requires <em>all</em> configured realms to |
| * <b>successfully</b> process the submitted <tt>AuthenticationToken</tt> during the log-in attempt. |
| * |
| * <p>If one or more realms do not support the submitted token, or one or more are unable to acquire |
| * <tt>Account</tt> for the token, this implementation will immediately fail the log-in attempt for the |
| * associated subject (user). |
| * |
| * @since 0.2 |
| * @author Les Hazlewood |
| */ |
| public class AllSuccessfulModularAuthenticationStrategy implements ModularAuthenticationStrategy { |
| |
| protected transient final Log log = LogFactory.getLog( getClass() ); |
| |
| public Account beforeAllAttempts( Collection<? extends Realm> realms, AuthenticationToken token ) throws AuthenticationException { |
| return new SimpleAuthorizingAccount(); |
| } |
| |
| public Account beforeAttempt( Realm realm, AuthenticationToken token, Account account ) throws AuthenticationException { |
| if ( !realm.supports( token ) ) { |
| String msg = "Realm [" + realm + "] of type [" + realm.getClass().getName() + "] does not support " + |
| " the submitted AuthenticationToken [" + token + "]. The [" + getClass().getName() + |
| "] implementation requires all configured realm(s) to support and be able to process the submitted " + |
| "AuthenticationToken."; |
| throw new UnsupportedTokenException( msg ); |
| } |
| |
| return account; |
| } |
| |
| public Account afterAttempt( Realm realm, AuthenticationToken token, Account account, Account aggregate, Throwable t ) |
| throws AuthenticationException { |
| if( t != null ) { |
| if ( t instanceof AuthenticationException ) { |
| //propagate: |
| throw ((AuthenticationException)t); |
| } else { |
| String msg = "Unable to acquire account data from realm [" + realm + "]. The [" + |
| getClass().getName() + " implementation requires all configured realm(s) to operate successfully " + |
| "for a successful authentication."; |
| throw new AuthenticationException( msg, t ); |
| } |
| } |
| if ( account == null ) { |
| String msg = "Realm [" + realm + "] could not find any associated account data for the submitted " + |
| "AuthenticationToken [" + token + "]. The [" + getClass().getName() + "] implementation requires " + |
| "all configured realm(s) to acquire valid account data for a submitted token during the " + |
| "log-in process."; |
| throw new UnknownAccountException( msg ); |
| } |
| |
| // If non-null account is returned, then the realm was able to authenticate the |
| // user - so merge the account with any accumulated before: |
| if (log.isDebugEnabled()) { |
| log.debug("Account successfully authenticated using realm of type [" + realm.getClass().getName() + "]"); |
| } |
| ((SimpleAuthorizingAccount)aggregate).merge(account); |
| |
| return aggregate; |
| } |
| |
| public Account afterAllAttempts( AuthenticationToken token, Account aggregate ) throws AuthenticationException { |
| //if the authentication process made it this far (because of the potential exceptions that could have been |
| //thrown from the other two methods in this class), then the authentication attempt was successful across all |
| //configured realms, so just return the aggregate argument |
| return aggregate; |
| } |
| } |