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540 lines
21 KiB
540 lines
21 KiB
//userDB.java
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//-------------------------------------
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//part of YACY
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//(C) by Michael Peter Christen; mc@anomic.de
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//first published on http://www.anomic.de
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//Frankfurt, Germany, 2004
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//
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//This file ist contributed by Martin Thelian
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//last major change: $LastChangedDate$ by $LastChangedBy$
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//Revision: $LastChangedRevision$
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//
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//This program is free software; you can redistribute it and/or modify
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//it under the terms of the GNU General Public License as published by
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//the Free Software Foundation; either version 2 of the License, or
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//(at your option) any later version.
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//
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//This program is distributed in the hope that it will be useful,
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//but WITHOUT ANY WARRANTY; without even the implied warranty of
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//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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//GNU General Public License for more details.
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//
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//You should have received a copy of the GNU General Public License
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//along with this program; if not, write to the Free Software
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//Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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//Using this software in any meaning (reading, learning, copying, compiling,
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//running) means that you agree that the Author(s) is (are) not responsible
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//for cost, loss of data or any harm that may be caused directly or indirectly
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//by usage of this softare or this documentation. The usage of this software
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//is on your own risk. The installation and usage (starting/running) of this
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//software may allow other people or application to access your computer and
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//any attached devices and is highly dependent on the configuration of the
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//software which must be done by the user of the software; the author(s) is
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//(are) also not responsible for proper configuration and usage of the
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//software, even if provoked by documentation provided together with
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//the software.
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//
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//Any changes to this file according to the GPL as documented in the file
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//gpl.txt aside this file in the shipment you received can be done to the
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//lines that follows this copyright notice here, but changes must not be
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//done inside the copyright notive above. A re-distribution must contain
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//the intact and unchanged copyright notice.
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//Contributions and changes to the program code must be marked as such.
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package de.anomic.data;
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import java.io.File;
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import java.io.IOException;
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import java.util.Calendar;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.Iterator;
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import java.util.Map;
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import de.anomic.kelondro.kelondroBase64Order;
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import de.anomic.kelondro.kelondroDyn;
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import de.anomic.kelondro.kelondroException;
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import de.anomic.kelondro.kelondroMap;
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import de.anomic.plasma.plasmaSwitchboard;
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import de.anomic.server.serverCodings;
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public final class userDB {
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public static final int USERNAME_MAX_LENGTH = 128;
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public static final int USERNAME_MIN_LENGTH = 4;
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kelondroMap userTable;
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private final File userTableFile;
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private final int bufferkb;
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private HashMap ipUsers = new HashMap();
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public userDB(File userTableFile, int bufferkb) {
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this.userTableFile = userTableFile;
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this.bufferkb = bufferkb;
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if (userTableFile.exists()) {
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try {
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this.userTable = new kelondroMap(new kelondroDyn(userTableFile, bufferkb * 1024, '_'));
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} catch (kelondroException e) {
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userTableFile.delete();
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userTableFile.getParentFile().mkdirs();
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this.userTable = new kelondroMap(new kelondroDyn(userTableFile, bufferkb * 1024, 128, 256, '_', true));
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} catch (IOException e) {
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userTableFile.delete();
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userTableFile.getParentFile().mkdirs();
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this.userTable = new kelondroMap(new kelondroDyn(userTableFile, bufferkb * 1024, 128, 256, '_', true));
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}
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} else {
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userTableFile.getParentFile().mkdirs();
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this.userTable = new kelondroMap(new kelondroDyn(userTableFile, bufferkb * 1024, 128, 256, '_', true));
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}
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}
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public int[] dbCacheNodeChunkSize() {
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return userTable.cacheNodeChunkSize();
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}
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public int[] dbCacheNodeFillStatus() {
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return userTable.cacheNodeFillStatus();
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}
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void resetDatabase() {
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// deletes the database and creates a new one
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if (userTable != null) try {
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userTable.close();
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} catch (IOException e) {}
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if (!(userTableFile.delete())) throw new RuntimeException("cannot delete user database");
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userTableFile.getParentFile().mkdirs();
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userTable = new kelondroMap(new kelondroDyn(userTableFile, this.bufferkb, 256, 512, '_', true));
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}
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public void close() {
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try {
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userTable.close();
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} catch (IOException e) {}
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}
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public int size() {
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return userTable.size();
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}
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public void removeEntry(String hostName) {
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try {
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userTable.remove(hostName.toLowerCase());
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} catch (IOException e) {}
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}
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public Entry getEntry(String userName) {
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if(userName.length()>128){
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userName=userName.substring(128);
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}
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try {
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Map record = userTable.get(userName);
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if (record == null) return null;
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return new Entry(userName, record);
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} catch (IOException e) {
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return null;
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}
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}
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public Entry createEntry(String userName, HashMap userProps) {
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Entry entry = new Entry(userName,userProps);
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return entry;
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}
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public String addEntry(Entry entry) {
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try {
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userTable.set(entry.userName,entry.mem);
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return entry.userName;
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} catch (IOException e) {
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return null;
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}
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}
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/*
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* use a ProxyAuth String to authenticate a user
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* @param auth a base64 Encoded String, which contains "username:pw".
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*/
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public Entry proxyAuth(String auth) {
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Entry entry=null;
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auth=auth.trim().substring(6);
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try{
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auth=kelondroBase64Order.standardCoder.decodeString(auth);
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}catch(RuntimeException e){} //no valid Base64
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String[] tmp=auth.split(":");
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if(tmp.length == 2){
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entry=this.passwordAuth(tmp[0], tmp[1]);
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if(entry != null){
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//return entry;
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}else{ //wrong/no auth, so auth is removed from browser
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/*FIXME: This cannot work
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try{
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entry.setProperty(Entry.LOGGED_OUT, "false");
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}catch(IOException e){}*/
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}
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return entry;
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}
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return null;
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}
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/*
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* determinate, if a user has Adminrights from a authorisation http-headerfield
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* it tests both userDB and oldstyle adminpw.
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* @param auth the http-headerline for authorisation
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*/
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public boolean hasAdminRight(String auth){
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plasmaSwitchboard sb=plasmaSwitchboard.getSwitchboard();
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String adminAccountBase64MD5 = sb.getConfig("adminAccountBase64MD5", "");
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userDB.Entry entry = sb.userDB.proxyAuth(auth);
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if (adminAccountBase64MD5.equals(serverCodings.encodeMD5Hex(auth.trim().substring(6)))) {
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return true;
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} else if(entry != null && entry.hasAdminRight()){
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return true;
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}
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return false;
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}
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/*
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* use a ProxyAuth String to authenticate a user and save the ip/username for ipAuth
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* @param auth a base64 Encoded String, which contains "username:pw".
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* @param ip an ip.
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*/
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public Entry proxyAuth(String auth, String ip){
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Entry entry=proxyAuth(auth);
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if(entry == null){
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return null;
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}
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this.ipUsers.put(ip, entry.getUserName());
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return entry;
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}
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/*
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* authenticate a user by ip, if he had used proxyAuth in the last 10 Minutes
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* @param ip the IP of the User
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*/
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public Entry ipAuth(String ip) {
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if(this.ipUsers.containsKey(ip)){
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String user=(String)this.ipUsers.get(ip);
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Entry entry=this.getEntry(user);
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Long entryTimestamp=entry.getLastAccess();
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if(entryTimestamp == null || (System.currentTimeMillis()-entryTimestamp.longValue()) > (1000*60*10) ){ //no timestamp or older than 10 Minutes
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return null;
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}
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return entry; //All OK
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}
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return null;
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}
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public Entry passwordAuth(String user, String password){
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Entry entry=this.getEntry(user);
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if( entry != null && entry.getMD5EncodedUserPwd().equals(serverCodings.encodeMD5Hex(user+":"+password)) ){
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if(entry.isLoggedOut()){
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try{
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entry.setProperty(Entry.LOGGED_OUT, "false");
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}catch(IOException e){}
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return null;
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}
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return entry;
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}
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return null;
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}
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public Entry md5Auth(String user, String md5){
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Entry entry=this.getEntry(user);
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if( entry != null && entry.getMD5EncodedUserPwd().equals(md5)){
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if(entry.isLoggedOut()){
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try{
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entry.setProperty(Entry.LOGGED_OUT, "false");
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}catch(IOException e){}
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return null;
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}
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}
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return entry;
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}
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public class Entry {
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public static final String MD5ENCODED_USERPWD_STRING = "MD5_user:pwd";
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public static final String AUTHENTICATION_METHOD = "auth_method";
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public static final String LOGGED_OUT = "loggedOut";
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public static final String USER_FIRSTNAME = "firstName";
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public static final String USER_LASTNAME = "lastName";
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public static final String USER_ADDRESS = "address";
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public static final String LAST_ACCESS = "lastAccess";
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public static final String TIME_USED = "timeUsed";
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public static final String TIME_LIMIT = "timeLimit";
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public static final String TRAFFIC_SIZE = "trafficSize";
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public static final String TRAFFIC_LIMIT = "trafficLimit";
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public static final String UPLOAD_RIGHT = "uploadRight";
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public static final String DOWNLOAD_RIGHT = "downloadRight";
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public static final String ADMIN_RIGHT = "adminRight";
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public static final String PROXY_RIGHT = "proxyRight";
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public static final String BLOG_RIGHT = "blogRight";
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public static final int PROXY_ALLOK = 0; //can Surf
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public static final int PROXY_ERROR = 1; //unknown error
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public static final int PROXY_NORIGHT = 2; //no proxy right
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public static final int PROXY_TIMELIMIT_REACHED = 3;
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// this is a simple record structure that hold all properties of a user
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private Map mem;
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private String userName;
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private Calendar oldDate, newDate;
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public Entry(String userName, Map mem) {
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if ((userName == null) || (userName.length() == 0))
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throw new IllegalArgumentException("Username needed.");
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if(userName.length()>128){
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throw new IllegalArgumentException("Username too long!");
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}
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this.userName = userName.trim();
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if (this.userName.length() < USERNAME_MIN_LENGTH)
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throw new IllegalArgumentException("Username to short. Length should be >= " + USERNAME_MIN_LENGTH);
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if (mem == null) this.mem = new HashMap();
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else this.mem = mem;
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if (!mem.containsKey(AUTHENTICATION_METHOD))this.mem.put(AUTHENTICATION_METHOD,"yacy");
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this.oldDate=Calendar.getInstance();
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this.newDate=Calendar.getInstance();
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}
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public String getUserName() {
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return this.userName;
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}
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public String getFirstName() {
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return (this.mem.containsKey(USER_FIRSTNAME)?(String)this.mem.get(USER_FIRSTNAME):null);
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}
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public String getLastName() {
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return (this.mem.containsKey(USER_LASTNAME)?(String)this.mem.get(USER_LASTNAME):null);
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}
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public String getAddress() {
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return (this.mem.containsKey(USER_ADDRESS)?(String)this.mem.get(USER_ADDRESS):null);
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}
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public long getTimeUsed() {
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if (this.mem.containsKey(TIME_USED)) {
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try{
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return Long.valueOf((String)this.mem.get(TIME_USED)).longValue();
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}catch(NumberFormatException e){
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return 0;
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}
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}
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try {
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this.setProperty(TIME_USED,"0");
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} catch (IOException e) {}
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return 0;
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}
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public long getTimeLimit() {
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if (this.mem.containsKey(TIME_LIMIT)) {
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try{
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return Long.valueOf((String)this.mem.get(TIME_LIMIT)).longValue();
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}catch(NumberFormatException e){
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return 0;
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}
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}
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try {
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this.setProperty(TIME_LIMIT,"0");
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} catch (IOException e) {}
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return 0;
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}
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public long getTrafficSize() {
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if (this.mem.containsKey(TRAFFIC_SIZE)) {
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return Long.valueOf((String)this.mem.get(TRAFFIC_SIZE)).longValue();
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}
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try {
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this.setProperty(TRAFFIC_SIZE,"0");
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} catch (IOException e) {
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e.printStackTrace();
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}
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return 0;
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}
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public Long getTrafficLimit() {
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return (this.mem.containsKey(TRAFFIC_LIMIT)?Long.valueOf((String)this.mem.get(TRAFFIC_LIMIT)):null);
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}
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public long updateTrafficSize(long responseSize) {
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if (responseSize < 0) throw new IllegalArgumentException("responseSize must be greater or equal zero.");
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long currentTrafficSize = getTrafficSize();
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long newTrafficSize = currentTrafficSize + responseSize;
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try {
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this.setProperty(TRAFFIC_SIZE,Long.toString(newTrafficSize));
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} catch (IOException e) {
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e.printStackTrace();
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}
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return newTrafficSize;
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}
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public Long getLastAccess() {
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return (this.mem.containsKey(LAST_ACCESS)?Long.valueOf((String)this.mem.get(LAST_ACCESS)):null);
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}
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public int surfRight(){
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long timeUsed=this.updateLastAccess(true);
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if(this.hasProxyRight() == false)
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return PROXY_NORIGHT;
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if(! (this.getTimeLimit() <= 0 || ( timeUsed < this.getTimeLimit())) ){ //no timelimit or timelimit not reached
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return PROXY_TIMELIMIT_REACHED;
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}
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return PROXY_ALLOK;
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}
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public boolean canSurf(){
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if(this.surfRight()==PROXY_ALLOK)
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return true;
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else
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return false;
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}
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public long updateLastAccess(boolean incrementTimeUsed) {
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return updateLastAccess(System.currentTimeMillis(), incrementTimeUsed);
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}
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public long updateLastAccess(long timeStamp, boolean incrementTimeUsed) {
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if (timeStamp < 0) throw new IllegalArgumentException();
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Long lastAccess = this.getLastAccess();
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long oldTimeUsed = getTimeUsed();
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long newTimeUsed = oldTimeUsed;
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if (incrementTimeUsed) {
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if ((lastAccess == null)||((lastAccess != null)&&(timeStamp-lastAccess.longValue()>=1000*60))) { //1 minute
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//this.mem.put(TIME_USED,Long.toString(newTimeUsed = ++oldTimeUsed));
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newTimeUsed = ++oldTimeUsed;
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if(lastAccess != null){
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this.oldDate.setTime(new Date(lastAccess.longValue()));
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this.newDate.setTime(new Date(System.currentTimeMillis()));
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if(
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this.oldDate.get(Calendar.DAY_OF_MONTH) != this.newDate.get(Calendar.DAY_OF_MONTH) ||
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this.oldDate.get(Calendar.MONTH) != this.newDate.get(Calendar.MONTH) ||
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this.oldDate.get(Calendar.YEAR) != this.newDate.get(Calendar.YEAR)
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){ //new Day, reset time
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newTimeUsed=0;
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}
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}else{ //no access so far
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newTimeUsed=0;
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}
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this.mem.put(TIME_USED,Long.toString(newTimeUsed));
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this.mem.put(LAST_ACCESS,Long.toString(timeStamp)); //update Timestamp
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}
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}else{
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this.mem.put(LAST_ACCESS,Long.toString(timeStamp)); //update Timestamp
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}
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try {
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userDB.this.userTable.set(getUserName(), this.mem);
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} catch(Exception e){
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e.printStackTrace();
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}
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return newTimeUsed;
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}
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public String getMD5EncodedUserPwd() {
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return (this.mem.containsKey(MD5ENCODED_USERPWD_STRING)?(String)this.mem.get(MD5ENCODED_USERPWD_STRING):null);
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}
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public Map getProperties() {
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return this.mem;
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}
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public void setProperty(String propName, String newValue) throws IOException {
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this.mem.put(propName, newValue);
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userDB.this.userTable.set(getUserName(), this.mem);
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}
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public String getProperty(String propName, String defaultValue) {
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return (this.mem.containsKey(propName)?(String)this.mem.get(propName):defaultValue);
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}
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public boolean hasUploadRight() {
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return (this.mem.containsKey(UPLOAD_RIGHT)?((String)this.mem.get(UPLOAD_RIGHT)).equals("true"):false);
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}
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public boolean hasDownloadRight() {
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return (this.mem.containsKey(DOWNLOAD_RIGHT)?((String)this.mem.get(DOWNLOAD_RIGHT)).equals("true"):false);
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}
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public boolean hasProxyRight() {
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return (this.mem.containsKey(PROXY_RIGHT)?((String)this.mem.get(PROXY_RIGHT)).equals("true"):false);
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}
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public boolean hasAdminRight() {
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return (this.mem.containsKey(ADMIN_RIGHT)?((String)this.mem.get(ADMIN_RIGHT)).equals("true"):false);
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}
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public boolean hasBlogRight() {
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return (this.mem.containsKey(BLOG_RIGHT)?((String)this.mem.get(BLOG_RIGHT)).equals("true"):false);
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}
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public boolean isLoggedOut(){
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return (this.mem.containsKey(LOGGED_OUT)?((String)this.mem.get(LOGGED_OUT)).equals("true"):false);
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}
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public void logout(String ip){
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try{
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setProperty(LOGGED_OUT, "true");
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if(ipUsers.containsKey(ip)){
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ipUsers.remove(ip);
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}
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}catch(IOException e){}
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}
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public void logout(){
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logout("xxxxxx");
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}
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public String toString() {
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StringBuffer str = new StringBuffer();
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str.append((this.userName==null)?"null":this.userName)
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.append(": ");
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if (this.mem != null) {
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str.append(this.mem.toString());
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}
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return str.toString();
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}
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}
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public Iterator iterator(boolean up) {
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// enumerates users
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try {
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return new userIterator(up);
|
|
} catch (IOException e) {
|
|
return new HashSet().iterator();
|
|
}
|
|
}
|
|
|
|
public class userIterator implements Iterator {
|
|
// the iterator iterates all userNames
|
|
kelondroDyn.dynKeyIterator userIter;
|
|
userDB.Entry nextEntry;
|
|
|
|
public userIterator(boolean up) throws IOException {
|
|
this.userIter = userDB.this.userTable.keys(up, false);
|
|
this.nextEntry = null;
|
|
}
|
|
public boolean hasNext() {
|
|
try {
|
|
return this.userIter.hasNext();
|
|
} catch (kelondroException e) {
|
|
resetDatabase();
|
|
return false;
|
|
}
|
|
}
|
|
public Object next() {
|
|
try {
|
|
return getEntry((String) this.userIter.next());
|
|
} catch (kelondroException e) {
|
|
resetDatabase();
|
|
return null;
|
|
}
|
|
}
|
|
public void remove() {
|
|
if (this.nextEntry != null) {
|
|
try {
|
|
Object userName = this.nextEntry.getUserName();
|
|
if (userName != null) removeEntry((String) userName);
|
|
} catch (kelondroException e) {
|
|
resetDatabase();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|