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474 lines
22 KiB
474 lines
22 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.Iterator;
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import java.util.TreeMap;
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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.index.indexAbstractReferenceBlacklist;
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import de.anomic.index.indexReferenceBlacklist;
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import de.anomic.plasma.plasmaSwitchboard;
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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.server.logging.serverLog;
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import de.anomic.yacy.yacySeed;
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import de.anomic.yacy.yacyURL;
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public class Blacklist_p {
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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_SHARED = "BlackLists.Shared";
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public static serverObjects respond(final httpRequestHeader header, final serverObjects post, final serverSwitch<?> env) {
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final plasmaSwitchboard sb = (plasmaSwitchboard) 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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// getting the list of supported blacklist types
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final String supportedBlacklistTypesStr = indexAbstractReferenceBlacklist.BLACKLIST_TYPES_STRING;
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final String[] supportedBlacklistTypes = supportedBlacklistTypesStr.split(",");
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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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prop.putHTML("asd", "0");
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// do all post operations
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if (post != null) {
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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(indexReferenceBlacklist.BLACKLIST_CRAWLER, testurl))
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prop.put("testlist_listedincrawler", "1");
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if(plasmaSwitchboard.urlBlacklist.isListed(indexReferenceBlacklist.BLACKLIST_DHT, testurl))
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prop.put("testlist_listedindht", "1");
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if(plasmaSwitchboard.urlBlacklist.isListed(indexReferenceBlacklist.BLACKLIST_NEWS, testurl))
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prop.put("testlist_listedinnews", "1");
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if(plasmaSwitchboard.urlBlacklist.isListed(indexReferenceBlacklist.BLACKLIST_PROXY, testurl))
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prop.put("testlist_listedinproxy", "1");
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if(plasmaSwitchboard.urlBlacklist.isListed(indexReferenceBlacklist.BLACKLIST_SEARCH, testurl))
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prop.put("testlist_listedinsearch", "1");
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if(plasmaSwitchboard.urlBlacklist.isListed(indexReferenceBlacklist.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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if (!blacklistToUse.endsWith(".black")) blacklistToUse += ".black";
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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 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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serverLog.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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listManager.reloadBlacklists();
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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 (post.containsKey("deleteBlacklistEntry")) {
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final String temp = deleteBlacklistEntry(post.get("currentBlacklist"),
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post.get("selectedEntry"), 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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} else if (post.containsKey("addBlacklistEntry")) {
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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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} else if (post.containsKey("moveBlacklistEntry")) {
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/* ===========================================================
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* First add entry to blacklist item moves to
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* =========================================================== */
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String temp = addBlacklistEntry(post.get("targetBlacklist"),
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post.get("selectedEntry"), 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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* Then delete item from blacklist it is moved away from
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* =========================================================== */
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temp = deleteBlacklistEntry(post.get("currentBlacklist"),
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post.get("selectedEntry"), 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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} else if (post.containsKey("editBlacklistEntry")) {
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if(post.containsKey("editedBlacklistEntry")) {
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/* ===========================================================
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* First delete old item from blacklist
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* =========================================================== */
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String temp = deleteBlacklistEntry(post.get("currentBlacklist"),
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post.get("selectedBlacklistEntry"), 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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* Thent add new entry to blacklist
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* =========================================================== */
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temp = addBlacklistEntry(post.get("currentBlacklist"),
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post.get("editedBlacklistEntry"), 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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} else {
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final String selectedEntry = post.get("selectedEntry");
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final String currentBlacklist = post.get("currentBlacklist");
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if (selectedEntry != null && currentBlacklist != null) {
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prop.putHTML(DISABLED + "edit_item", selectedEntry);
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prop.putHTML(DISABLED + "edit_currentBlacklist", currentBlacklist);
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prop.put(DISABLED + "edit", "1");
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}
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}
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}
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}
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// loading all blacklist files located in the directory
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final String[] dirlist = listManager.getDirListing(listManager.listsPath);
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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.length > 0) {
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blacklistToUse = dirlist[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 ArrayList<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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for (int j=0;j<sortedlist.length;++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.putHTML(DISABLED + "Itemlist_" + entryCount + "_item", nextEntry);
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entryCount++;
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}
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prop.put(DISABLED + "Itemlist", entryCount);
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// List known hosts for BlackList retrieval
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if (sb.webIndex.seedDB != null && sb.webIndex.seedDB.sizeConnected() > 0) { // no nullpointer error
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int peerCount = 0;
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try {
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final TreeMap<String, String> hostList = new TreeMap<String, String>();
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final Iterator<yacySeed> e = sb.webIndex.seedDB.seedsConnected(true, false, null, (float) 0.0);
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while (e.hasNext()) {
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final yacySeed seed = e.next();
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if (seed != null) hostList.put(seed.get(yacySeed.NAME, "nameless"),seed.hash);
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}
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String peername;
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while ((peername = hostList.firstKey()) != null) {
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final String Hash = hostList.get(peername);
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prop.putHTML(DISABLED + "otherHosts_" + peerCount + "_hash", Hash);
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prop.putHTML(DISABLED + "otherHosts_" + peerCount + "_name", peername, true);
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hostList.remove(peername);
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peerCount++;
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}
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} catch (final Exception e) {/* */}
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prop.put(DISABLED + "otherHosts", peerCount);
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}
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}
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// List BlackLists
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int blacklistCount = 0;
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if (dirlist != null) {
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for (int i = 0; i <= dirlist.length - 1; i++) {
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prop.putHTML(DISABLED + BLACKLIST + blacklistCount + "_name", dirlist[i], true);
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prop.put(DISABLED + BLACKLIST + blacklistCount + "_selected", "0");
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if (dirlist[i].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.putHTML(DISABLED + "currentActiveFor_" + blTypes + "_blTypeName",supportedBlacklistTypes[blTypes], true);
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prop.put(DISABLED + "currentActiveFor_" + blTypes + "_checked",
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listManager.listSetContains(supportedBlacklistTypes[blTypes] + ".BlackLists",dirlist[i]) ? "0" : "1");
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}
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prop.put(DISABLED + "currentActiveFor", supportedBlacklistTypes.length);
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}
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if (listManager.listSetContains(BLACKLIST_SHARED, dirlist[i])) {
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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");
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}
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int activeCount = 0;
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for (int blTypes=0; blTypes < supportedBlacklistTypes.length; blTypes++) {
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if (listManager.listSetContains(supportedBlacklistTypes[blTypes] + ".BlackLists",dirlist[i])) {
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prop.putHTML(DISABLED + BLACKLIST + blacklistCount + "_active_" + activeCount + "_blTypeName", supportedBlacklistTypes[blTypes]);
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activeCount++;
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}
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}
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prop.put(DISABLED + BLACKLIST + blacklistCount + "_active", activeCount);
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blacklistCount++;
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}
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}
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prop.put(DISABLED + "blackLists", blacklistCount);
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prop.putHTML(DISABLED + "currentBlacklist", (blacklistToUse==null) ? "" : blacklistToUse, true);
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prop.put("disabled", (blacklistToUse == null) ? "1" : "0");
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return prop;
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}
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/**
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* This method adds a new entry to the chosen blacklist.
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* @param blacklistToUse the name of the blacklist the entry is to be added to
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* @param newEntry the entry that is to be added
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* @return null if no error occured, else a String to put into LOCATION
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*/
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private static String addBlacklistEntry(final String blacklistToUse, String newEntry,
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final httpRequestHeader header, final String[] supportedBlacklistTypes) {
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if (blacklistToUse == null || blacklistToUse.trim().length() == 0) {
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return "";
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}
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if (newEntry == null || newEntry.trim().length() == 0) {
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return header.get("PATH") + "?selectList=&selectedListName=" + blacklistToUse;
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}
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// TODO: ignore empty entries
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if (newEntry.startsWith("http://") ){
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newEntry = newEntry.substring(7);
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}
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int pos = newEntry.indexOf("/");
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if (pos < 0) {
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// add default empty path pattern
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pos = newEntry.length();
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newEntry = newEntry + "/.*";
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}
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// append the line to the file
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PrintWriter pw = null;
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try {
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pw = new PrintWriter(new FileWriter(new File(listManager.listsPath, blacklistToUse), true));
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pw.println(newEntry);
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pw.close();
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} catch (final IOException e) {
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e.printStackTrace();
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} finally {
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if (pw != null) try { pw.close(); } catch (final Exception e){ serverLog.logWarning("Blacklist", "could not close stream to "+ blacklistToUse +"! "+ e.getMessage());}
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}
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// add to blacklist
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for (int blTypes=0; blTypes < supportedBlacklistTypes.length; blTypes++) {
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if (listManager.listSetContains(supportedBlacklistTypes[blTypes] + ".BlackLists",blacklistToUse)) {
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plasmaSwitchboard.urlBlacklist.add(supportedBlacklistTypes[blTypes],newEntry.substring(0, pos), newEntry.substring(pos + 1));
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}
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}
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return null;
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}
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/**
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* This method deletes a blacklist entry.
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* @param blacklistToUse the name of the blacklist the entry is to be deleted from
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* @param oldEntry the entry that is to be deleted
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* @return null if no error occured, else a String to put into LOCATION
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*/
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private static String deleteBlacklistEntry(final String blacklistToUse, String oldEntry,
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final httpRequestHeader header, final String[] supportedBlacklistTypes) {
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if (blacklistToUse == null || blacklistToUse.trim().length() == 0) {
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return "";
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}
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if (oldEntry == null || oldEntry.trim().length() == 0) {
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return header.get("PATH") + "?selectList=&selectedListName=" + blacklistToUse;
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}
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// load blacklist data from file
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final ArrayList<String> list = listManager.getListArray(new File(listManager.listsPath, blacklistToUse));
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// delete the old entry from file
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if (list != null) {
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for (int i=0; i < list.size(); i++) {
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if ((list.get(i)).equals(oldEntry)) {
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list.remove(i);
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break;
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}
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}
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listManager.writeList(new File(listManager.listsPath, blacklistToUse), list.toArray(new String[list.size()]));
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}
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// remove the entry from the running blacklist engine
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int pos = oldEntry.indexOf("/");
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if (pos < 0) {
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// add default empty path pattern
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pos = oldEntry.length();
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oldEntry = oldEntry + "/.*";
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}
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for (int blTypes=0; blTypes < supportedBlacklistTypes.length; blTypes++) {
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if (listManager.listSetContains(supportedBlacklistTypes[blTypes] + ".BlackLists",blacklistToUse)) {
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plasmaSwitchboard.urlBlacklist.remove(supportedBlacklistTypes[blTypes],oldEntry.substring(0, pos), oldEntry.substring(pos + 1));
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}
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}
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return null;
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}
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}
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