138 lines
3.6 KiB
Java
138 lines
3.6 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.catalina.startup;
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import java.io.File;
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import java.util.Enumeration;
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import java.util.Hashtable;
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/**
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* Concrete implementation of the <code>UserDatabase</code> interface
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* considers all directories in a directory whose pathname is specified
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* to our constructor to be "home" directories for those users.
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*
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* @author Craig R. McClanahan
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*/
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public final class HomesUserDatabase
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implements UserDatabase {
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// --------------------------------------------------------- Constructors
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/**
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* Initialize a new instance of this user database component.
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*/
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public HomesUserDatabase() {
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super();
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}
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// --------------------------------------------------- Instance Variables
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/**
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* The set of home directories for all defined users, keyed by username.
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*/
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private final Hashtable<String,String> homes = new Hashtable<>();
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/**
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* The UserConfig listener with which we are associated.
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*/
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private UserConfig userConfig = null;
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// ----------------------------------------------------------- Properties
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/**
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* Return the UserConfig listener with which we are associated.
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*/
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@Override
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public UserConfig getUserConfig() {
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return this.userConfig;
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}
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/**
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* Set the UserConfig listener with which we are associated.
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*
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* @param userConfig The new UserConfig listener
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*/
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@Override
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public void setUserConfig(UserConfig userConfig) {
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this.userConfig = userConfig;
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init();
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}
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// ------------------------------------------------------- Public Methods
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/**
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* Return an absolute pathname to the home directory for the specified user.
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*
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* @param user User for which a home directory should be retrieved
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*/
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@Override
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public String getHome(String user) {
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return homes.get(user);
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}
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/**
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* Return an enumeration of the usernames defined on this server.
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*/
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@Override
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public Enumeration<String> getUsers() {
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return homes.keys();
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}
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// ------------------------------------------------------ Private Methods
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/**
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* Initialize our set of users and home directories.
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*/
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private void init() {
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String homeBase = userConfig.getHomeBase();
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File homeBaseDir = new File(homeBase);
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if (!homeBaseDir.exists() || !homeBaseDir.isDirectory())
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return;
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String homeBaseFiles[] = homeBaseDir.list();
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if (homeBaseFiles == null) {
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return;
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}
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for (int i = 0; i < homeBaseFiles.length; i++) {
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File homeDir = new File(homeBaseDir, homeBaseFiles[i]);
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if (!homeDir.isDirectory() || !homeDir.canRead())
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continue;
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homes.put(homeBaseFiles[i], homeDir.toString());
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}
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}
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}
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