001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one
003     * or more contributor license agreements.  See the NOTICE file
004     * distributed with this work for additional information
005     * regarding copyright ownership.  The ASF licenses this file
006     * to you under the Apache License, Version 2.0 (the
007     * "License"); you may not use this file except in compliance
008     * with the License.  You may obtain a copy of the License at
009     *
010     *     http://www.apache.org/licenses/LICENSE-2.0
011     *
012     * Unless required by applicable law or agreed to in writing,
013     * software distributed under the License is distributed on an
014     * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015     * KIND, either express or implied.  See the License for the
016     * specific language governing permissions and limitations
017     * under the License.
018     */
019    package org.tynamo.shiro.extension.realm.text;
020    
021    import org.apache.shiro.authc.*;
022    import org.apache.shiro.cache.CacheManager;
023    import org.apache.shiro.realm.text.PropertiesRealm;
024    
025    /**
026     * Fixes some bugs with {@link org.apache.shiro.realm.text.PropertiesRealm}
027     *
028     */
029    public class ExtendedPropertiesRealm extends PropertiesRealm
030    {
031    
032            boolean created;
033    
034            public ExtendedPropertiesRealm(String resourcePath)
035            {
036                    super();
037                    setResourcePath(resourcePath);
038                    onInit();
039            }
040    
041            /**
042             * Eliminates the error generating NullPointerException,
043             * when trying to register for non-existent account.
044             * <p/>
045             *
046             * @see org.apache.shiro.realm.SimpleAccountRealm#doGetAuthenticationInfo(org.apache.shiro.authc.AuthenticationToken)
047             */
048            @Override
049            protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken token) throws AuthenticationException
050            {
051    
052                    UsernamePasswordToken upToken = (UsernamePasswordToken) token;
053                    if (!accountExists(upToken.getUsername()))
054                    {
055                            throw new UnknownAccountException("Unknown account" + upToken.getUsername());
056                    }
057    
058                    return super.doGetAuthenticationInfo(token);
059            }
060    
061            @Override
062            public void setCacheManager(CacheManager authzInfoCacheManager)
063            {
064                    if (created && getCacheManager() != null)
065                    {
066                            return;
067                    }
068                    super.setCacheManager(authzInfoCacheManager);
069            }
070    
071    
072            /**
073             * Remove initialization after installing cacheManager.
074             * This created problems of premature initialization,
075             * when not specified the name of realm, respectively,
076             * are generated nekkorektnye account with the name of the default realm,
077             * which then changed to the name specified in the config.
078             * <p/>
079             * <b>RU:</b>
080             * �£�±�¸Ñ€�°�µ�¼ �¸�½�¸Ñ†�¸�°�»�¸�·�°Ñ†�¸ÑŽ �¿�¾Ñ��»�µ уÑ�Ñ‚�°�½�¾�²�º�¸ cacheManager.
081             * Ñ�Ñ‚�¾ Ñ��¾�·�´�°�²�°�»�¾ �¿Ñ€�¾�±�»�µ�¼�¼Ñƒ �¿Ñ€�µ�¶�´�µ�²Ñ€�µ�¼�µ�½�½�¾�¹ �¸�½�¸Ñ†�¸�°�»�¸�·�°Ñ†�¸�¸,
082             * �º�¾�³�´�° �µÑ‰�µ �½�µ �·�°�´�°�½�¾ �¸�¼Ñ� realm, Ñ��¾�¾Ñ‚�²�µÑ‚Ñ�Ñ‚�²�µ�½�½�¾ Ñ�Ñ‚�¾ �¿�¾Ñ€�¾�¶�´�°�»�¾
083             * �½�µ�º�º�¾Ñ€�µ�ºÑ‚�½Ñ‹�µ �°�º�º�°Ñƒ�½Ñ‚Ñ‹ Ñ� �¸�¼�µ�½�µ�¼ realm �¿�¾ у�¼�¾�»Ñ‡�°�½�¸�µ, �º�¾Ñ‚�¾Ñ€�¾�µ �¿�¾Ñ‚�¾�¼ �¼�µ�½Ñ��»�¾Ñ�ÑŒ
084             * �½�° �¸�¼Ñ� �·�°�´�°�½�½�¾�µ �² �º�¾�½Ñ„�¸�³�µ.
085             *
086             * @see org.apache.shiro.realm.AuthorizingRealm#afterCacheManagerSet()
087             */
088            @Override
089            protected void afterCacheManagerSet()
090            {
091                    if (created)
092                    {
093                            super.afterCacheManagerSet();
094                    } else
095                    {
096                            setAuthorizationCache(null);
097                    }
098            }
099    
100            private void onCreated()
101            {
102                    created = true;
103            }
104    }