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602 lines
26 KiB
602 lines
26 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.IOException;
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import java.util.Arrays;
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import java.util.List;
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import net.yacy.cora.document.id.Punycode.PunycodeException;
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import net.yacy.cora.protocol.HeaderFramework;
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import net.yacy.cora.protocol.RequestHeader;
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import net.yacy.cora.util.ConcurrentLog;
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import net.yacy.data.ListManager;
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import net.yacy.data.WorkTables;
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import net.yacy.kelondro.util.FileUtils;
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import net.yacy.repository.Blacklist;
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import net.yacy.repository.Blacklist.BlacklistType;
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import net.yacy.search.Switchboard;
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import net.yacy.search.query.SearchEventCache;
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import net.yacy.server.serverObjects;
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import net.yacy.server.serverSwitch;
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public class Blacklist_p {
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/** Used for logging. */
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private static final String APP_NAME = "Blacklist";
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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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public static serverObjects respond(final RequestHeader header, final serverObjects post, @SuppressWarnings("unused") final serverSwitch env) {
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// load all blacklist files located in the directory
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List<String> dirlist = FileUtils.getDirListing(ListManager.listsPath, Blacklist.BLACKLIST_FILENAME_FILTER);
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String blacklistToUse = null;
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final serverObjects prop = new serverObjects();
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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("selectList")) {
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blacklistToUse = post.get("selectedListName");
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if (blacklistToUse != null && blacklistToUse.isEmpty()) {
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blacklistToUse = null;
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}
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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", "").trim();
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if (blacklistToUse.isEmpty()) {
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prop.put(serverObjects.ACTION_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")) {
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blacklistToUse += ".black";
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}
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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 (final BlacklistType supportedBlacklistType : BlacklistType.values()) {
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ListManager.updateListSet(supportedBlacklistType + ".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 = FileUtils.getDirListing(ListManager.listsPath, Blacklist.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.isEmpty()) {
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prop.put(serverObjects.ACTION_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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ConcurrentLog.warn(APP_NAME, "file "+ blackListFile +" could not be deleted!");
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}
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for (final BlacklistType supportedBlacklistType : BlacklistType.values()) {
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ListManager.removeFromListSet(supportedBlacklistType + ".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 = FileUtils.getDirListing(ListManager.listsPath, Blacklist.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", "").trim();
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if (blacklistToUse == null || blacklistToUse.isEmpty()) {
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prop.put(serverObjects.ACTION_LOCATION, "");
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return prop;
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}
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for (final BlacklistType supportedBlacklistType : BlacklistType.values()) {
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if (post.containsKey("activateList4" + supportedBlacklistType)) {
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ListManager.updateListSet(supportedBlacklistType + ".BlackLists",blacklistToUse);
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} else {
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ListManager.removeFromListSet(supportedBlacklistType + ".BlackLists",blacklistToUse);
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}
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}
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Switchboard.urlBlacklist.clear();
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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", "").trim();
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if (blacklistToUse == null || blacklistToUse.isEmpty()) {
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prop.put(serverObjects.ACTION_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 ("deleteBlacklistEntry".equals(action)) {
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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", "").trim();
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final String[] selectedBlacklistEntries = post.getAll("selectedEntry.*");
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if (selectedBlacklistEntries.length > 0) {
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String temp = null;
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for (final String selectedBlacklistEntry : selectedBlacklistEntries) {
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if ((temp = deleteBlacklistEntry(blacklistToUse, selectedBlacklistEntry, header)) != null) {
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prop.put(serverObjects.ACTION_LOCATION, temp);
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return prop;
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}
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}
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}
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Switchboard.urlBlacklist.clear();
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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", "").trim();
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final String blentry = post.get("newEntry", "").trim();
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// store this call as api call
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ListManager.switchboard.tables.recordAPICall(post, "Blacklist_p.html", WorkTables.TABLE_API_TYPE_CONFIGURATION, "add to blacklist: " + blentry);
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final String temp = addBlacklistEntry(blacklistToUse, blentry, header);
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if (temp != null) {
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prop.put(serverObjects.ACTION_LOCATION, temp);
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return prop;
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}
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Switchboard.urlBlacklist.clear();
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ListManager.reloadBlacklists();
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} else if ("moveBlacklistEntry".equals(action)) {
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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", "").trim();
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final String targetBlacklist = post.get("targetBlacklist");
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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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String temp;
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for (final String selectedBlacklistEntry : selectedBlacklistEntries) {
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if ((temp = addBlacklistEntry(targetBlacklist, selectedBlacklistEntry, header)) != null) {
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prop.put(serverObjects.ACTION_LOCATION, temp);
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return prop;
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}
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if ((temp = deleteBlacklistEntry(blacklistToUse, selectedBlacklistEntry, header)) != null) {
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prop.put(serverObjects.ACTION_LOCATION, temp);
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return prop;
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}
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}
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}
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Switchboard.urlBlacklist.clear();
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ListManager.reloadBlacklists();
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} else if ("editBlacklistEntry".equals(action)) {
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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", "").trim();
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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(serverObjects.ACTION_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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if ((temp = deleteBlacklistEntry(blacklistToUse, selectedBlacklistEntries[i], header)) != null) {
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prop.put(serverObjects.ACTION_LOCATION, temp);
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return prop;
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}
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if ((temp = addBlacklistEntry(blacklistToUse, editedBlacklistEntries[i], header)) != null) {
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prop.put(serverObjects.ACTION_LOCATION, temp);
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return prop;
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}
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}
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}
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Switchboard.urlBlacklist.clear();
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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 ("selectRange".equals(action)) {
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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.isEmpty()) {
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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 = FileUtils.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.isEmpty()) continue;
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if (nextEntry.charAt(0) == '#') 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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int[] navbar = new int[7];
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// generate array of start index for navbar ( -1 = early endmark)
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// [0] [-2*size] [-1*size] [offset] [+1*size] [+2*size] [end]
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if (size > 0 && sortedlist.length > 0) {
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int start = offset - 3 * size; // start item (max 3 buttons to the left)
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if (start < 0) {
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start = 0;
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}
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for (entryCount = 0; entryCount < 7; entryCount++) {
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if (start > sortedlist.length) {
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navbar[entryCount] = -1; // terminate display mark
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} else {
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navbar[entryCount] = start;
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}
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start += size;
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}
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navbar[0] = 0; // first button: always go back to start
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if (navbar[6] < sortedlist.length - size) { // last button: alway eof list
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navbar[6] = (sortedlist.length / size) * size;
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}
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} else {
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navbar[0] = 0;
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navbar[1] = -1; // display terminate mark
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}
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// output the navarray values
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entryCount = 0;
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if (sortedlist.length > size && size > 0) {
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while (entryCount < 7 && navbar[entryCount] >= 0) {
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prop.put(DISABLED + EDIT + "subListOffset_" + entryCount + "_fvalue", navbar[entryCount]);
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int end = navbar[entryCount] + size - 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 (navbar[entryCount] == 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_fvalue", 1);
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prop.put(DISABLED + EDIT + "subListOffset_0_tvalue", sortedlist.length);
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prop.put(DISABLED + EDIT + "subListOffset_" + entryCount + "_selected", 1);
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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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final 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 (final 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 < BlacklistType.values().length; blTypes++) {
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prop.putXML(DISABLED + "currentActiveFor_" + blTypes + "_blTypeName",BlacklistType.values()[blTypes].toString());
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prop.put(DISABLED + "currentActiveFor_" + blTypes + "_checked",
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ListManager.listSetContains(BlacklistType.values()[blTypes] + ".BlackLists", element) ? "0" : "1");
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}
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prop.put(DISABLED + "currentActiveFor", BlacklistType.values().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");
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}
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int activeCount = 0;
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for (final BlacklistType supportedBlacklistType : BlacklistType.values()) {
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if (ListManager.listSetContains(supportedBlacklistType + ".BlackLists", element)) {
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prop.putHTML(DISABLED + BLACKLIST + blacklistCount + "_active_" + activeCount + "_blTypeName", supportedBlacklistType.toString());
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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.put(DISABLED + EDIT + "blackListsMove", blacklistMoveCount);
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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 deletes a blacklist entry.
|
|
* @param blacklistToUse the name of the blacklist the entry is to be deleted from
|
|
* @param entry the entry that is to be deleted
|
|
* @param header
|
|
* @param supportedBlacklistTypes
|
|
* @return null if no error occurred, else a String to put into LOCATION
|
|
*/
|
|
private static String deleteBlacklistEntry(
|
|
final String blacklistToUse,
|
|
final String entry,
|
|
final RequestHeader header) {
|
|
String oldEntry = entry;
|
|
|
|
if (blacklistToUse == null || blacklistToUse.isEmpty()) {
|
|
return "";
|
|
}
|
|
|
|
if (oldEntry == null || oldEntry.isEmpty()) {
|
|
return header.get(HeaderFramework.CONNECTION_PROP_PATH) + "?selectList=&selectedListName=" + blacklistToUse;
|
|
}
|
|
|
|
|
|
// remove the entry from the running blacklist engine
|
|
int pos = oldEntry.indexOf('/',0);
|
|
String host = oldEntry.substring(0, pos);
|
|
String path = "";
|
|
if (pos > 0) {
|
|
path = oldEntry.substring(pos + 1);
|
|
}
|
|
|
|
for (final BlacklistType supportedBlacklistType : BlacklistType.values()) {
|
|
if (ListManager.listSetContains(supportedBlacklistType + ".BlackLists",blacklistToUse)) {
|
|
Switchboard.urlBlacklist.remove(supportedBlacklistType, blacklistToUse, host, path);
|
|
}
|
|
}
|
|
|
|
SearchEventCache.cleanupEvents(true);
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* 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 occurred, else a String to put into LOCATION
|
|
*/
|
|
private static String addBlacklistEntry(
|
|
final String blacklistToUse,
|
|
final String entry,
|
|
final RequestHeader header) {
|
|
String newEntry = entry;
|
|
|
|
if (blacklistToUse == null || blacklistToUse.isEmpty()) {
|
|
return "";
|
|
}
|
|
|
|
if (newEntry == null || newEntry.isEmpty()) {
|
|
return header.get(HeaderFramework.CONNECTION_PROP_PATH) + "?selectList=&selectedListName=" + blacklistToUse;
|
|
}
|
|
|
|
// ignore empty entries
|
|
if(newEntry == null || newEntry.isEmpty()) {
|
|
ConcurrentLog.warn(APP_NAME, "skipped adding an empty entry");
|
|
return "";
|
|
}
|
|
|
|
if (newEntry.startsWith("http://") ){
|
|
newEntry = newEntry.substring(7);
|
|
} else if (newEntry.startsWith("https://")) {
|
|
newEntry = newEntry.substring(8);
|
|
}
|
|
|
|
if (newEntry.indexOf("*") < 0) {
|
|
// user did not use any wild cards and just submitted a word
|
|
|
|
newEntry = ".*" + newEntry + ".*/.*";
|
|
newEntry = ".*.*/.*" + newEntry + ".*";
|
|
|
|
} else {
|
|
|
|
int pos = newEntry.indexOf('/',0);
|
|
if (pos < 0) {
|
|
// add default empty path pattern
|
|
newEntry = newEntry + "/.*";
|
|
}
|
|
}
|
|
|
|
int pos = newEntry.indexOf('/',0);
|
|
String host = newEntry.substring(0, pos);
|
|
String path = newEntry.substring(pos + 1);
|
|
|
|
for (final BlacklistType supportedBlacklistType : BlacklistType.values()) {
|
|
if (ListManager.listSetContains(supportedBlacklistType + ".BlackLists",blacklistToUse)) {
|
|
try {
|
|
Switchboard.urlBlacklist.add(supportedBlacklistType, blacklistToUse, host, path);
|
|
} catch (PunycodeException e) {
|
|
ConcurrentLog.warn(APP_NAME, "Unable to add blacklist entry to blacklist " + supportedBlacklistType, e);
|
|
}
|
|
}
|
|
}
|
|
|
|
SearchEventCache.cleanupEvents(true);
|
|
return null;
|
|
}
|
|
|
|
}
|