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636 lines
29 KiB
636 lines
29 KiB
// Blacklist_p.java
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// -----------------------
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// part of YaCy
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// (C) by Michael Peter Christen; mc@yacy.net
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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 is contributed by Alexander Schier
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//
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// $LastChangedDate$
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// $LastChangedRevision$
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// $LastChangedBy$
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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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// You must compile this file with
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// javac -classpath .:../classes Blacklist_p.java
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// if the shell's current path is HTROOT
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import java.io.File;
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import java.io.FileWriter;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.net.MalformedURLException;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.HashSet;
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import java.util.List;
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import de.anomic.data.AbstractBlacklist;
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import de.anomic.data.Blacklist;
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import de.anomic.data.listManager;
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import de.anomic.http.httpRequestHeader;
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import de.anomic.plasma.plasmaSwitchboard;
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import de.anomic.search.QueryEvent;
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import de.anomic.server.serverObjects;
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import de.anomic.server.serverSwitch;
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import de.anomic.yacy.yacyURL;
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import de.anomic.yacy.logging.Log;
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public class Blacklist_p {
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private final static String EDIT = "edit_";
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private final static String DISABLED = "disabled_";
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private final static String BLACKLIST = "blackLists_";
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private final static String BLACKLIST_MOVE = "blackListsMove_";
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private final static String BLACKLIST_SHARED = "BlackLists.Shared";
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private final static String BLACKLIST_FILENAME_FILTER = "^.*\\.black$";
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public static serverObjects respond(final httpRequestHeader header, final serverObjects post, final serverSwitch<?> env) {
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// initialize the list manager
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listManager.switchboard = (plasmaSwitchboard) env;
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listManager.listsPath = new File(listManager.switchboard.getRootPath(),listManager.switchboard.getConfig("listManager.listsPath", "DATA/LISTS"));
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// clean up all search events in case that a (new) blacklist entry denies previously returned results
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QueryEvent.cleanupEvents(true);
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// getting the list of supported blacklist types
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final String supportedBlacklistTypesStr = AbstractBlacklist.BLACKLIST_TYPES_STRING;
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final String[] supportedBlacklistTypes = supportedBlacklistTypesStr.split(",");
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// loading all blacklist files located in the directory
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List<String> dirlist = listManager.getDirListing(listManager.listsPath, BLACKLIST_FILENAME_FILTER);
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String blacklistToUse = null;
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final serverObjects prop = new serverObjects();
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prop.putHTML("blacklistEngine", plasmaSwitchboard.urlBlacklist.getEngineInfo());
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// do all post operations
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if (post != null) {
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final String action = post.get("action", "");
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if(post.containsKey("testList")) {
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prop.put("testlist", "1");
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String urlstring = post.get("testurl", "");
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if(!urlstring.startsWith("http://")) urlstring = "http://"+urlstring;
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yacyURL testurl = null;
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try {
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testurl = new yacyURL(urlstring, null);
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} catch (final MalformedURLException e) { testurl = null; }
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if(testurl != null) {
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prop.putHTML("testlist_url",testurl.toString());
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if(plasmaSwitchboard.urlBlacklist.isListed(Blacklist.BLACKLIST_CRAWLER, testurl))
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prop.put("testlist_listedincrawler", "1");
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if(plasmaSwitchboard.urlBlacklist.isListed(Blacklist.BLACKLIST_DHT, testurl))
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prop.put("testlist_listedindht", "1");
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if(plasmaSwitchboard.urlBlacklist.isListed(Blacklist.BLACKLIST_NEWS, testurl))
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prop.put("testlist_listedinnews", "1");
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if(plasmaSwitchboard.urlBlacklist.isListed(Blacklist.BLACKLIST_PROXY, testurl))
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prop.put("testlist_listedinproxy", "1");
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if(plasmaSwitchboard.urlBlacklist.isListed(Blacklist.BLACKLIST_SEARCH, testurl))
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prop.put("testlist_listedinsearch", "1");
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if(plasmaSwitchboard.urlBlacklist.isListed(Blacklist.BLACKLIST_SURFTIPS, testurl))
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prop.put("testlist_listedinsurftips", "1");
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}
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else prop.put("testlist_url","not valid");
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}
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if (post.containsKey("selectList")) {
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blacklistToUse = post.get("selectedListName");
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if (blacklistToUse != null && blacklistToUse.length() == 0) blacklistToUse = null;
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}
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if (post.containsKey("createNewList")) {
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/* ===========================================================
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* Creation of a new blacklist
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* =========================================================== */
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blacklistToUse = post.get("newListName");
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if (blacklistToUse.trim().length() == 0) {
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prop.put("LOCATION","");
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return prop;
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}
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// Check if blacklist name only consists of "legal" characters.
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// This is mainly done to prevent files from being written to other directories
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// than the LISTS directory.
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if (!blacklistToUse.matches("^[\\p{L}\\d\\+\\-_]+[\\p{L}\\d\\+\\-_.]*(\\.black){0,1}$")) {
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prop.put("error", 1);
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prop.putHTML("error_name", blacklistToUse);
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blacklistToUse = null;
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} else {
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if (!blacklistToUse.endsWith(".black")) blacklistToUse += ".black";
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if (!dirlist.contains(blacklistToUse)) {
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try {
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final File newFile = new File(listManager.listsPath, blacklistToUse);
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newFile.createNewFile();
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// share the newly created blacklist
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listManager.updateListSet(BLACKLIST_SHARED, blacklistToUse);
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// activate it for all known blacklist types
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for (int blTypes = 0; blTypes < supportedBlacklistTypes.length; blTypes++) {
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listManager.updateListSet(supportedBlacklistTypes[blTypes] + ".BlackLists", blacklistToUse);
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}
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} catch (final IOException e) {/* */}
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} else {
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prop.put("error", 2);
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prop.putHTML("error_name", blacklistToUse);
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blacklistToUse = null;
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}
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// reload Blacklists
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dirlist = listManager.getDirListing(listManager.listsPath, BLACKLIST_FILENAME_FILTER);
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}
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} else if (post.containsKey("deleteList")) {
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/* ===========================================================
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* Delete a blacklist
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* =========================================================== */
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blacklistToUse = post.get("selectedListName");
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if (blacklistToUse == null || blacklistToUse.trim().length() == 0) {
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prop.put("LOCATION","");
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return prop;
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}
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final File BlackListFile = new File(listManager.listsPath, blacklistToUse);
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if(!BlackListFile.delete()) {
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Log.logWarning("Blacklist", "file "+ BlackListFile +" could not be deleted!");
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}
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for (int blTypes=0; blTypes < supportedBlacklistTypes.length; blTypes++) {
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listManager.removeFromListSet(supportedBlacklistTypes[blTypes] + ".BlackLists",blacklistToUse);
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}
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// remove it from the shared list
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listManager.removeFromListSet(BLACKLIST_SHARED, blacklistToUse);
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blacklistToUse = null;
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// reload Blacklists
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dirlist = listManager.getDirListing(listManager.listsPath, BLACKLIST_FILENAME_FILTER);
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} else if (post.containsKey("activateList")) {
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/* ===========================================================
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* Activate/Deactivate a blacklist
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* =========================================================== */
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blacklistToUse = post.get("selectedListName");
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if (blacklistToUse == null || blacklistToUse.trim().length() == 0) {
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prop.put("LOCATION", "");
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return prop;
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}
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for (int blTypes=0; blTypes < supportedBlacklistTypes.length; blTypes++) {
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if (post.containsKey("activateList4" + supportedBlacklistTypes[blTypes])) {
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listManager.updateListSet(supportedBlacklistTypes[blTypes] + ".BlackLists",blacklistToUse);
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} else {
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listManager.removeFromListSet(supportedBlacklistTypes[blTypes] + ".BlackLists",blacklistToUse);
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}
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}
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listManager.reloadBlacklists();
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} else if (post.containsKey("shareList")) {
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/* ===========================================================
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* Share a blacklist
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* =========================================================== */
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blacklistToUse = post.get("selectedListName");
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if (blacklistToUse == null || blacklistToUse.trim().length() == 0) {
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prop.put("LOCATION", "");
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return prop;
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}
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if (listManager.listSetContains(BLACKLIST_SHARED, blacklistToUse)) {
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// Remove from shared BlackLists
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listManager.removeFromListSet(BLACKLIST_SHARED, blacklistToUse);
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} else { // inactive list -> enable
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listManager.updateListSet(BLACKLIST_SHARED, blacklistToUse);
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}
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} else if (action.equals("deleteBlacklistEntry")) {
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/* ===========================================================
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* Delete an entry from a blacklist
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* =========================================================== */
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blacklistToUse = post.get("currentBlacklist");
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String temp = null;
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final String[] selectedBlacklistEntries = post.getAll("selectedEntry.*");
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if (selectedBlacklistEntries.length > 0) {
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for (int i = 0; i < selectedBlacklistEntries.length; i++) {
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temp = deleteBlacklistEntry(blacklistToUse,
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selectedBlacklistEntries[i], header, supportedBlacklistTypes);
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if (temp != null) {
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prop.put("LOCATION", temp);
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return prop;
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}
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}
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}
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listManager.reloadBlacklists();
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} else if (post.containsKey("addBlacklistEntry")) {
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/* ===========================================================
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* Add new entry to blacklist
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* =========================================================== */
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blacklistToUse = post.get("currentBlacklist");
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final String temp = addBlacklistEntry(post.get("currentBlacklist"),
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post.get("newEntry"), header, supportedBlacklistTypes);
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if (temp != null) {
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prop.put("LOCATION", temp);
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return prop;
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}
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listManager.reloadBlacklists();
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} else if (action.equals("moveBlacklistEntry")) {
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/* ===========================================================
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* Move an entry from one blacklist to another
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* =========================================================== */
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blacklistToUse = post.get("currentBlacklist");
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String targetBlacklist = post.get("targetBlacklist");
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String temp = null;
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final String[] selectedBlacklistEntries = post.getAll("selectedEntry.*");
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if (selectedBlacklistEntries != null &&
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selectedBlacklistEntries.length > 0 &&
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targetBlacklist != null &&
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blacklistToUse != null &&
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!targetBlacklist.equals(blacklistToUse)) {
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for (int i = 0; i < selectedBlacklistEntries.length; i++) {
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temp = addBlacklistEntry(targetBlacklist,
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selectedBlacklistEntries[i], header, supportedBlacklistTypes);
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if (temp != null) {
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prop.put("LOCATION", temp);
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return prop;
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}
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temp = deleteBlacklistEntry(blacklistToUse,
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selectedBlacklistEntries[i], header, supportedBlacklistTypes);
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if (temp != null) {
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prop.put("LOCATION", temp);
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return prop;
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}
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}
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}
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listManager.reloadBlacklists();
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} else if (action.equals("editBlacklistEntry")) {
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/* ===========================================================
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* Edit entry of a blacklist
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* =========================================================== */
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blacklistToUse = post.get("currentBlacklist");
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final String[] editedBlacklistEntries = post.getAll("editedBlacklistEntry.*");
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// if edited entry has been posted, save changes
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if (editedBlacklistEntries.length > 0) {
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final String[] selectedBlacklistEntries = post.getAll("selectedBlacklistEntry.*");
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if (selectedBlacklistEntries.length != editedBlacklistEntries.length) {
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prop.put("LOCATION", "");
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return prop;
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}
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String temp = null;
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for (int i = 0; i < selectedBlacklistEntries.length; i++) {
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if (!selectedBlacklistEntries[i].equals(editedBlacklistEntries[i])) {
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temp = deleteBlacklistEntry(blacklistToUse, selectedBlacklistEntries[i], header, supportedBlacklistTypes);
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if (temp != null) {
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prop.put("LOCATION", temp);
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return prop;
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}
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temp = addBlacklistEntry(blacklistToUse, editedBlacklistEntries[i], header, supportedBlacklistTypes);
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if (temp != null) {
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prop.put("LOCATION", temp);
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return prop;
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}
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}
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}
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listManager.reloadBlacklists();
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prop.putHTML(DISABLED + EDIT + "currentBlacklist", blacklistToUse);
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// else return entry to be edited
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} else {
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final String[] selectedEntries = post.getAll("selectedEntry.*");
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if (selectedEntries != null && selectedEntries.length > 0 && blacklistToUse != null) {
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for (int i = 0; i < selectedEntries.length; i++) {
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prop.putHTML(DISABLED + EDIT + "editList_" + i + "_item", selectedEntries[i]);
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prop.put(DISABLED + EDIT + "editList_" + i + "_count", i);
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}
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prop.putHTML(DISABLED + EDIT + "currentBlacklist", blacklistToUse);
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prop.put(DISABLED + "edit", "1");
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prop.put(DISABLED + EDIT + "editList", selectedEntries.length);
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}
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}
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} else if (action.equals("selectRange")) {
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blacklistToUse = post.get("currentBlacklist");
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}
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}
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// if we have not chosen a blacklist until yet we use the first file
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if (blacklistToUse == null && dirlist != null && dirlist.size() > 0) {
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blacklistToUse = dirlist.get(0);
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}
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// Read the blacklist items from file
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if (blacklistToUse != null) {
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int entryCount = 0;
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final List<String> list = listManager.getListArray(new File(listManager.listsPath, blacklistToUse));
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// sort them
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final String[] sortedlist = new String[list.size()];
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Arrays.sort(list.toArray(sortedlist));
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// display them
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boolean dark = true;
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int offset = 0;
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int size = 50;
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int to = 50;
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if (post != null) {
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offset = post.getInt("offset", 0);
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size = post.getInt("size", 50);
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to = offset + size;
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}
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if (offset > sortedlist.length || offset < 0) {
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offset = 0;
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}
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if (to > sortedlist.length || size < 1) {
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to = sortedlist.length;
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}
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for (int j = offset; j < to; ++j){
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final String nextEntry = sortedlist[j];
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if (nextEntry.length() == 0) continue;
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if (nextEntry.startsWith("#")) continue;
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prop.put(DISABLED + EDIT + "Itemlist_" + entryCount + "_dark", dark ? "1" : "0");
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dark = !dark;
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prop.putHTML(DISABLED + EDIT + "Itemlist_" + entryCount + "_item", nextEntry);
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prop.put(DISABLED + EDIT + "Itemlist_" + entryCount + "_count", entryCount);
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entryCount++;
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}
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prop.put(DISABLED + EDIT + "Itemlist", entryCount);
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// create selection of sublist
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entryCount = 0;
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int end = -1;
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int start = -1;
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if (sortedlist.length > 0) {
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while (end < sortedlist.length) {
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if (size > 0) {
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start = entryCount * size;
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end = (entryCount + 1) * size;
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} else {
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start = 0;
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end = sortedlist.length;
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}
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prop.put(DISABLED + EDIT + "subListOffset_" + entryCount + "_value", start);
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prop.put(DISABLED + EDIT + "subListOffset_" + entryCount + "_fvalue", start + 1);
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if (end > sortedlist.length) {
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end = sortedlist.length;
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}
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prop.put(DISABLED + EDIT + "subListOffset_" + entryCount + "_tvalue", end);
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if (start == offset) {
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prop.put(DISABLED + EDIT + "subListOffset_" + entryCount + "_selected", 1);
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}
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entryCount++;
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}
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} else {
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prop.put(DISABLED + EDIT + "subListOffset_0_value", 0);
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prop.put(DISABLED + EDIT + "subListOffset_0_fvalue", 0);
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prop.put(DISABLED + EDIT + "subListOffset_0_tvalue", 0);
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entryCount++;
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}
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prop.put(DISABLED + EDIT + "subListOffset", entryCount);
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// create selection of list size
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int[] sizes = {10,25,50,100,250,-1};
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for (int i = 0; i < sizes.length; i++) {
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prop.put(DISABLED + EDIT + "subListSize_" + i + "_value", sizes[i]);
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if (sizes[i] == -1) {
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prop.put(DISABLED + EDIT + "subListSize_" + i + "_text", "all");
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} else {
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prop.put(DISABLED + EDIT + "subListSize_" + i + "_text", sizes[i]);
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}
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if (sizes[i] == size) {
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prop.put(DISABLED + EDIT + "subListSize_" + i + "_selected", 1);
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}
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}
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prop.put(DISABLED + EDIT + "subListSize", sizes.length);
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}
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// List BlackLists
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int blacklistCount = 0;
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int blacklistMoveCount = 0;
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if (dirlist != null) {
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for (String element : dirlist) {
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prop.putXML(DISABLED + BLACKLIST + blacklistCount + "_name", element);
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prop.put(DISABLED + BLACKLIST + blacklistCount + "_selected", "0");
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if (element.equals(blacklistToUse)) { //current List
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prop.put(DISABLED + BLACKLIST + blacklistCount + "_selected", "1");
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for (int blTypes=0; blTypes < supportedBlacklistTypes.length; blTypes++) {
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prop.putXML(DISABLED + "currentActiveFor_" + blTypes + "_blTypeName",supportedBlacklistTypes[blTypes]);
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prop.put(DISABLED + "currentActiveFor_" + blTypes + "_checked",
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listManager.listSetContains(supportedBlacklistTypes[blTypes] + ".BlackLists", element) ? "0" : "1");
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}
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prop.put(DISABLED + "currentActiveFor", supportedBlacklistTypes.length);
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} else {
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prop.putXML(DISABLED + EDIT + BLACKLIST_MOVE + blacklistMoveCount + "_name", element);
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blacklistMoveCount++;
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}
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if (listManager.listSetContains(BLACKLIST_SHARED, element)) {
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prop.put(DISABLED + BLACKLIST + blacklistCount + "_shared", "1");
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} else {
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prop.put(DISABLED + BLACKLIST + blacklistCount + "_shared", "0");
|
|
}
|
|
|
|
int activeCount = 0;
|
|
for (int blTypes=0; blTypes < supportedBlacklistTypes.length; blTypes++) {
|
|
if (listManager.listSetContains(supportedBlacklistTypes[blTypes] + ".BlackLists", element)) {
|
|
prop.putHTML(DISABLED + BLACKLIST + blacklistCount + "_active_" + activeCount + "_blTypeName", supportedBlacklistTypes[blTypes]);
|
|
activeCount++;
|
|
}
|
|
}
|
|
prop.put(DISABLED + BLACKLIST + blacklistCount + "_active", activeCount);
|
|
blacklistCount++;
|
|
}
|
|
}
|
|
prop.put(DISABLED + "blackLists", blacklistCount);
|
|
prop.put(DISABLED + EDIT + "blackListsMove", blacklistMoveCount);
|
|
|
|
prop.putXML(DISABLED + "currentBlacklist", (blacklistToUse==null) ? "" : blacklistToUse);
|
|
prop.putXML(DISABLED + EDIT + "currentBlacklist", (blacklistToUse==null) ? "" : blacklistToUse);
|
|
prop.put("disabled", (blacklistToUse == null) ? "1" : "0");
|
|
return prop;
|
|
}
|
|
|
|
/**
|
|
* This method adds a new entry to the chosen blacklist.
|
|
* @param blacklistToUse the name of the blacklist the entry is to be added to
|
|
* @param newEntry the entry that is to be added
|
|
* @param header
|
|
* @param supportedBlacklistTypes
|
|
* @return null if no error occured, else a String to put into LOCATION
|
|
*/
|
|
private static String addBlacklistEntry(final String blacklistToUse, String newEntry,
|
|
final httpRequestHeader header, final String[] supportedBlacklistTypes) {
|
|
|
|
if (blacklistToUse == null || blacklistToUse.trim().length() == 0) {
|
|
return "";
|
|
}
|
|
|
|
if (newEntry == null || newEntry.trim().length() == 0) {
|
|
return header.get("PATH") + "?selectList=&selectedListName=" + blacklistToUse;
|
|
}
|
|
|
|
// TODO: ignore empty entries
|
|
|
|
if (newEntry.startsWith("http://") ){
|
|
newEntry = newEntry.substring(7);
|
|
} else if (newEntry.startsWith("https://")) {
|
|
newEntry = newEntry.substring(8);
|
|
}
|
|
|
|
int pos = newEntry.indexOf("/");
|
|
if (pos < 0) {
|
|
// add default empty path pattern
|
|
pos = newEntry.length();
|
|
newEntry = newEntry + "/.*";
|
|
}
|
|
|
|
if (!blacklistFileContains(blacklistToUse, newEntry)) {
|
|
// append the line to the file
|
|
PrintWriter pw = null;
|
|
try {
|
|
pw = new PrintWriter(new FileWriter(new File(listManager.listsPath, blacklistToUse), true));
|
|
pw.println(newEntry);
|
|
pw.close();
|
|
} catch (final IOException e) {
|
|
e.printStackTrace();
|
|
} finally {
|
|
if (pw != null) {
|
|
try {
|
|
pw.close();
|
|
} catch (final Exception e) {
|
|
Log.logWarning("Blacklist", "could not close stream to " + blacklistToUse + "! " + e.getMessage());
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
// add to blacklist
|
|
for (int blTypes = 0; blTypes < supportedBlacklistTypes.length; blTypes++) {
|
|
if (listManager.listSetContains(supportedBlacklistTypes[blTypes] + ".BlackLists", blacklistToUse)) {
|
|
plasmaSwitchboard.urlBlacklist.add(supportedBlacklistTypes[blTypes], newEntry.substring(0, pos), newEntry.substring(pos + 1));
|
|
}
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* This method deletes a blacklist entry.
|
|
* @param blacklistToUse the name of the blacklist the entry is to be deleted from
|
|
* @param oldEntry the entry that is to be deleted
|
|
* @param header
|
|
* @param supportedBlacklistTypes
|
|
* @return null if no error occured, else a String to put into LOCATION
|
|
*/
|
|
private static String deleteBlacklistEntry(final String blacklistToUse, String oldEntry,
|
|
final httpRequestHeader header, final String[] supportedBlacklistTypes) {
|
|
|
|
if (blacklistToUse == null || blacklistToUse.trim().length() == 0) {
|
|
return "";
|
|
}
|
|
|
|
if (oldEntry == null || oldEntry.trim().length() == 0) {
|
|
return header.get("PATH") + "?selectList=&selectedListName=" + blacklistToUse;
|
|
}
|
|
|
|
// load blacklist data from file
|
|
final ArrayList<String> list = listManager.getListArray(new File(listManager.listsPath, blacklistToUse));
|
|
|
|
// delete the old entry from file
|
|
if (list != null) {
|
|
for (int i=0; i < list.size(); i++) {
|
|
if ((list.get(i)).equals(oldEntry)) {
|
|
list.remove(i);
|
|
break;
|
|
}
|
|
}
|
|
listManager.writeList(new File(listManager.listsPath, blacklistToUse), list.toArray(new String[list.size()]));
|
|
}
|
|
|
|
// remove the entry from the running blacklist engine
|
|
int pos = oldEntry.indexOf("/");
|
|
if (pos < 0) {
|
|
// add default empty path pattern
|
|
pos = oldEntry.length();
|
|
oldEntry = oldEntry + "/.*";
|
|
}
|
|
for (int blTypes=0; blTypes < supportedBlacklistTypes.length; blTypes++) {
|
|
if (listManager.listSetContains(supportedBlacklistTypes[blTypes] + ".BlackLists",blacklistToUse)) {
|
|
plasmaSwitchboard.urlBlacklist.remove(supportedBlacklistTypes[blTypes],oldEntry.substring(0, pos), oldEntry.substring(pos + 1));
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Checks if a blacklist file contains a certain entry.
|
|
* @param blacklistToUse The blacklist.
|
|
* @param newEntry The Entry.
|
|
* @return True if file contains entry, else false.
|
|
*/
|
|
private static boolean blacklistFileContains(final String blacklistToUse, String newEntry) {
|
|
boolean ret = false;
|
|
final HashSet<String> Blacklist = new HashSet<String>(listManager.getListArray(new File(listManager.listsPath, blacklistToUse)));
|
|
if (Blacklist != null) {
|
|
ret = Blacklist.contains(newEntry);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
}
|