// Blacklist_p.java // ----------------------- // part of YaCy // (C) by Michael Peter Christen; mc@yacy.net // first published on http://www.anomic.de // Frankfurt, Germany, 2004 // // This File is contributed by Alexander Schier // // $LastChangedDate$ // $LastChangedRevision$ // $LastChangedBy$ // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA // You must compile this file with // javac -classpath .:../classes Blacklist_p.java // if the shell's current path is HTROOT import java.io.File; import java.io.FileWriter; import java.io.IOException; import java.io.PrintWriter; import java.net.MalformedURLException; import java.util.Arrays; import java.util.List; import net.yacy.cora.protocol.HeaderFramework; import net.yacy.cora.protocol.RequestHeader; import net.yacy.kelondro.data.meta.DigestURI; import net.yacy.kelondro.logging.Log; import net.yacy.kelondro.util.FileUtils; import net.yacy.repository.Blacklist; import de.anomic.data.WorkTables; import de.anomic.data.ListManager; import de.anomic.search.SearchEventCache; import de.anomic.search.Switchboard; import de.anomic.server.serverObjects; import de.anomic.server.serverSwitch; public class Blacklist_p { private final static String EDIT = "edit_"; private final static String DISABLED = "disabled_"; private final static String BLACKLIST = "blackLists_"; private final static String BLACKLIST_MOVE = "blackListsMove_"; private final static String BLACKLIST_SHARED = "BlackLists.Shared"; public static serverObjects respond(final RequestHeader header, final serverObjects post, final serverSwitch env) { // initialize the list manager ListManager.switchboard = (Switchboard) env; ListManager.listsPath = new File(ListManager.switchboard.getDataPath(),ListManager.switchboard.getConfig("listManager.listsPath", "DATA/LISTS")); // get the list of supported blacklist types final String supportedBlacklistTypesStr = Blacklist.BLACKLIST_TYPES_STRING; final String[] supportedBlacklistTypes = supportedBlacklistTypesStr.split(","); // load all blacklist files located in the directory List dirlist = FileUtils.getDirListing(ListManager.listsPath, Blacklist.BLACKLIST_FILENAME_FILTER); String blacklistToUse = null; final serverObjects prop = new serverObjects(); prop.putHTML("blacklistEngine", Switchboard.urlBlacklist.getEngineInfo()); // do all post operations if (post != null) { final String action = post.get("action", ""); if(post.containsKey("testList")) { prop.put("testlist", "1"); String urlstring = post.get("testurl", ""); if (!urlstring.startsWith("http://") && !urlstring.startsWith("https://") && !urlstring.startsWith("ftp://") && !urlstring.startsWith("smb://") && !urlstring.startsWith("file://")) { urlstring = "http://"+urlstring; } DigestURI testurl; try { testurl = new DigestURI(urlstring); } catch (final MalformedURLException e) { testurl = null; } if(testurl != null) { prop.putHTML("testlist_url",testurl.toString()); if (Switchboard.urlBlacklist.isListed(Blacklist.BLACKLIST_CRAWLER, testurl)) { prop.put("testlist_listedincrawler", "1"); } if (Switchboard.urlBlacklist.isListed(Blacklist.BLACKLIST_DHT, testurl)) { prop.put("testlist_listedindht", "1"); } if (Switchboard.urlBlacklist.isListed(Blacklist.BLACKLIST_NEWS, testurl)) { prop.put("testlist_listedinnews", "1"); } if (Switchboard.urlBlacklist.isListed(Blacklist.BLACKLIST_PROXY, testurl)) { prop.put("testlist_listedinproxy", "1"); } if (Switchboard.urlBlacklist.isListed(Blacklist.BLACKLIST_SEARCH, testurl)) { prop.put("testlist_listedinsearch", "1"); } if (Switchboard.urlBlacklist.isListed(Blacklist.BLACKLIST_SURFTIPS, testurl)) { prop.put("testlist_listedinsurftips", "1"); } } else { prop.put("testlist_url","not valid"); } } if (post.containsKey("selectList")) { blacklistToUse = post.get("selectedListName"); if (blacklistToUse != null && blacklistToUse.length() == 0) { blacklistToUse = null; } } if (post.containsKey("createNewList")) { /* =========================================================== * Creation of a new blacklist * =========================================================== */ blacklistToUse = post.get("newListName", "").trim(); if (blacklistToUse.length() == 0) { prop.put("LOCATION",""); return prop; } // Check if blacklist name only consists of "legal" characters. // This is mainly done to prevent files from being written to other directories // than the LISTS directory. if (!blacklistToUse.matches("^[\\p{L}\\d\\+\\-_]+[\\p{L}\\d\\+\\-_.]*(\\.black){0,1}$")) { prop.put("error", 1); prop.putHTML("error_name", blacklistToUse); blacklistToUse = null; } else { if (!blacklistToUse.endsWith(".black")) { blacklistToUse += ".black"; } if (!dirlist.contains(blacklistToUse)) { try { final File newFile = new File(ListManager.listsPath, blacklistToUse); newFile.createNewFile(); // share the newly created blacklist ListManager.updateListSet(BLACKLIST_SHARED, blacklistToUse); // activate it for all known blacklist types for (final String supportedBlacklistType : supportedBlacklistTypes) { ListManager.updateListSet(supportedBlacklistType + ".BlackLists", blacklistToUse); } } catch (final IOException e) {/* */} } else { prop.put("error", 2); prop.putHTML("error_name", blacklistToUse); blacklistToUse = null; } // reload Blacklists dirlist = FileUtils.getDirListing(ListManager.listsPath, Blacklist.BLACKLIST_FILENAME_FILTER); } } else if (post.containsKey("deleteList")) { /* =========================================================== * Delete a blacklist * =========================================================== */ blacklistToUse = post.get("selectedListName"); if (blacklistToUse == null || blacklistToUse.length() == 0) { prop.put("LOCATION",""); return prop; } final File blackListFile = new File(ListManager.listsPath, blacklistToUse); if(!blackListFile.delete()) { Log.logWarning("Blacklist", "file "+ blackListFile +" could not be deleted!"); } for (final String supportedBlacklistType : supportedBlacklistTypes) { ListManager.removeFromListSet(supportedBlacklistType + ".BlackLists",blacklistToUse); } // remove it from the shared list ListManager.removeFromListSet(BLACKLIST_SHARED, blacklistToUse); blacklistToUse = null; // reload Blacklists dirlist = FileUtils.getDirListing(ListManager.listsPath, Blacklist.BLACKLIST_FILENAME_FILTER); } else if (post.containsKey("activateList")) { /* =========================================================== * Activate/Deactivate a blacklist * =========================================================== */ blacklistToUse = post.get("selectedListName", "").trim(); if (blacklistToUse == null || blacklistToUse.length() == 0) { prop.put("LOCATION", ""); return prop; } for (final String supportedBlacklistType : supportedBlacklistTypes) { if (post.containsKey("activateList4" + supportedBlacklistType)) { ListManager.updateListSet(supportedBlacklistType + ".BlackLists",blacklistToUse); } else { ListManager.removeFromListSet(supportedBlacklistType + ".BlackLists",blacklistToUse); } } ListManager.reloadBlacklists(); } else if (post.containsKey("shareList")) { /* =========================================================== * Share a blacklist * =========================================================== */ blacklistToUse = post.get("selectedListName", "").trim(); if (blacklistToUse == null || blacklistToUse.length() == 0) { prop.put("LOCATION", ""); return prop; } if (ListManager.listSetContains(BLACKLIST_SHARED, blacklistToUse)) { // Remove from shared BlackLists ListManager.removeFromListSet(BLACKLIST_SHARED, blacklistToUse); } else { // inactive list -> enable ListManager.updateListSet(BLACKLIST_SHARED, blacklistToUse); } } else if ("deleteBlacklistEntry".equals(action)) { /* =========================================================== * Delete an entry from a blacklist * =========================================================== */ blacklistToUse = post.get("currentBlacklist", "").trim(); final String[] selectedBlacklistEntries = post.getAll("selectedEntry.*"); if (selectedBlacklistEntries.length > 0) { String temp = null; for (final String selectedBlacklistEntry : selectedBlacklistEntries) { if ((temp = deleteBlacklistEntry(blacklistToUse, selectedBlacklistEntry, header, supportedBlacklistTypes)) != null) { prop.put("LOCATION", temp); return prop; } } } ListManager.reloadBlacklists(); } else if (post.containsKey("addBlacklistEntry")) { /* =========================================================== * Add new entry to blacklist * =========================================================== */ blacklistToUse = post.get("currentBlacklist", "").trim(); final String blentry = post.get("newEntry", "").trim(); // store this call as api call ListManager.switchboard.tables.recordAPICall(post, "Blacklist_p.html", WorkTables.TABLE_API_TYPE_CONFIGURATION, "add to blacklist: " + blentry); final String temp = addBlacklistEntry(blacklistToUse, blentry, header, supportedBlacklistTypes); if (temp != null) { prop.put("LOCATION", temp); return prop; } ListManager.reloadBlacklists(); } else if ("moveBlacklistEntry".equals(action)) { /* =========================================================== * Move an entry from one blacklist to another * =========================================================== */ blacklistToUse = post.get("currentBlacklist", "").trim(); final String targetBlacklist = post.get("targetBlacklist"); final String[] selectedBlacklistEntries = post.getAll("selectedEntry.*"); if (selectedBlacklistEntries != null && selectedBlacklistEntries.length > 0 && targetBlacklist != null && blacklistToUse != null && !targetBlacklist.equals(blacklistToUse)) { String temp; for (final String selectedBlacklistEntry : selectedBlacklistEntries) { if ((temp = addBlacklistEntry(targetBlacklist, selectedBlacklistEntry, header, supportedBlacklistTypes)) != null) { prop.put("LOCATION", temp); return prop; } if ((temp = deleteBlacklistEntry(blacklistToUse, selectedBlacklistEntry, header, supportedBlacklistTypes)) != null) { prop.put("LOCATION", temp); return prop; } } } ListManager.reloadBlacklists(); } else if ("editBlacklistEntry".equals(action)) { /* =========================================================== * Edit entry of a blacklist * =========================================================== */ blacklistToUse = post.get("currentBlacklist", "").trim(); final String[] editedBlacklistEntries = post.getAll("editedBlacklistEntry.*"); // if edited entry has been posted, save changes if (editedBlacklistEntries.length > 0) { final String[] selectedBlacklistEntries = post.getAll("selectedBlacklistEntry.*"); if (selectedBlacklistEntries.length != editedBlacklistEntries.length) { prop.put("LOCATION", ""); return prop; } String temp = null; for (int i = 0; i < selectedBlacklistEntries.length; i++) { if (!selectedBlacklistEntries[i].equals(editedBlacklistEntries[i])) { if ((temp = deleteBlacklistEntry(blacklistToUse, selectedBlacklistEntries[i], header, supportedBlacklistTypes)) != null) { prop.put("LOCATION", temp); return prop; } if ((temp = addBlacklistEntry(blacklistToUse, editedBlacklistEntries[i], header, supportedBlacklistTypes)) != null) { prop.put("LOCATION", temp); return prop; } } } ListManager.reloadBlacklists(); prop.putHTML(DISABLED + EDIT + "currentBlacklist", blacklistToUse); // else return entry to be edited } else { final String[] selectedEntries = post.getAll("selectedEntry.*"); if (selectedEntries != null && selectedEntries.length > 0 && blacklistToUse != null) { for (int i = 0; i < selectedEntries.length; i++) { prop.putHTML(DISABLED + EDIT + "editList_" + i + "_item", selectedEntries[i]); prop.put(DISABLED + EDIT + "editList_" + i + "_count", i); } prop.putHTML(DISABLED + EDIT + "currentBlacklist", blacklistToUse); prop.put(DISABLED + "edit", "1"); prop.put(DISABLED + EDIT + "editList", selectedEntries.length); } } } else if ("selectRange".equals(action)) { blacklistToUse = post.get("currentBlacklist"); } } // if we have not chosen a blacklist until yet we use the first file if (blacklistToUse == null && dirlist != null && !dirlist.isEmpty()) { blacklistToUse = dirlist.get(0); } // Read the blacklist items from file if (blacklistToUse != null) { int entryCount = 0; final List list = FileUtils.getListArray(new File(ListManager.listsPath, blacklistToUse)); // sort them final String[] sortedlist = new String[list.size()]; Arrays.sort(list.toArray(sortedlist)); // display them boolean dark = true; int offset = 0; int size = 50; int to = 50; if (post != null) { offset = post.getInt("offset", 0); size = post.getInt("size", 50); to = offset + size; } if (offset > sortedlist.length || offset < 0) { offset = 0; } if (to > sortedlist.length || size < 1) { to = sortedlist.length; } for (int j = offset; j < to; ++j){ final String nextEntry = sortedlist[j]; if (nextEntry.length() == 0) continue; if (nextEntry.charAt(0) == '#') continue; prop.put(DISABLED + EDIT + "Itemlist_" + entryCount + "_dark", dark ? "1" : "0"); dark = !dark; prop.putHTML(DISABLED + EDIT + "Itemlist_" + entryCount + "_item", nextEntry); prop.put(DISABLED + EDIT + "Itemlist_" + entryCount + "_count", entryCount); entryCount++; } prop.put(DISABLED + EDIT + "Itemlist", entryCount); // create selection of sublist entryCount = 0; int end = -1; int start = -1; if (sortedlist.length > 0) { while (end < sortedlist.length) { if (size > 0) { start = entryCount * size; end = (entryCount + 1) * size; } else { start = 0; end = sortedlist.length; } prop.put(DISABLED + EDIT + "subListOffset_" + entryCount + "_value", start); prop.put(DISABLED + EDIT + "subListOffset_" + entryCount + "_fvalue", start + 1); if (end > sortedlist.length) { end = sortedlist.length; } prop.put(DISABLED + EDIT + "subListOffset_" + entryCount + "_tvalue", end); if (start == offset) { prop.put(DISABLED + EDIT + "subListOffset_" + entryCount + "_selected", 1); } entryCount++; } } else { prop.put(DISABLED + EDIT + "subListOffset_0_value", 0); prop.put(DISABLED + EDIT + "subListOffset_0_fvalue", 0); prop.put(DISABLED + EDIT + "subListOffset_0_tvalue", 0); entryCount++; } prop.put(DISABLED + EDIT + "subListOffset", entryCount); // create selection of list size int[] sizes = {10,25,50,100,250,-1}; for (int i = 0; i < sizes.length; i++) { prop.put(DISABLED + EDIT + "subListSize_" + i + "_value", sizes[i]); if (sizes[i] == -1) { prop.put(DISABLED + EDIT + "subListSize_" + i + "_text", "all"); } else { prop.put(DISABLED + EDIT + "subListSize_" + i + "_text", sizes[i]); } if (sizes[i] == size) { prop.put(DISABLED + EDIT + "subListSize_" + i + "_selected", 1); } } prop.put(DISABLED + EDIT + "subListSize", sizes.length); } // List BlackLists int blacklistCount = 0; int blacklistMoveCount = 0; if (dirlist != null) { for (String element : dirlist) { prop.putXML(DISABLED + BLACKLIST + blacklistCount + "_name", element); prop.put(DISABLED + BLACKLIST + blacklistCount + "_selected", "0"); if (element.equals(blacklistToUse)) { //current List prop.put(DISABLED + BLACKLIST + blacklistCount + "_selected", "1"); for (int blTypes=0; blTypes < supportedBlacklistTypes.length; blTypes++) { prop.putXML(DISABLED + "currentActiveFor_" + blTypes + "_blTypeName",supportedBlacklistTypes[blTypes]); prop.put(DISABLED + "currentActiveFor_" + blTypes + "_checked", ListManager.listSetContains(supportedBlacklistTypes[blTypes] + ".BlackLists", element) ? "0" : "1"); } prop.put(DISABLED + "currentActiveFor", supportedBlacklistTypes.length); } else { prop.putXML(DISABLED + EDIT + BLACKLIST_MOVE + blacklistMoveCount + "_name", element); blacklistMoveCount++; } if (ListManager.listSetContains(BLACKLIST_SHARED, element)) { prop.put(DISABLED + BLACKLIST + blacklistCount + "_shared", "1"); } else { 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 RequestHeader header, final String[] supportedBlacklistTypes) { if (blacklistToUse == null || blacklistToUse.length() == 0) { return ""; } if (newEntry == null || newEntry.length() == 0) { return header.get(HeaderFramework.CONNECTION_PROP_PATH) + "?selectList=&selectedListName=" + blacklistToUse; } addBlacklistEntry(ListManager.listsPath, blacklistToUse, newEntry, supportedBlacklistTypes); SearchEventCache.cleanupEvents(true); 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 RequestHeader header, final String[] supportedBlacklistTypes) { if (blacklistToUse == null || blacklistToUse.length() == 0) { return ""; } if (oldEntry == null || oldEntry.length() == 0) { return header.get(HeaderFramework.CONNECTION_PROP_PATH) + "?selectList=&selectedListName=" + blacklistToUse; } deleteBlacklistEntry(ListManager.listsPath, blacklistToUse, oldEntry, supportedBlacklistTypes); SearchEventCache.cleanupEvents(true); 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 supportedBlacklistTypes */ private static void deleteBlacklistEntry( final File listsPath, final String blacklistToUse, String oldEntry, final String[] supportedBlacklistTypes) { // load blacklist data from file final List list = FileUtils.getListArray(new File(listsPath, blacklistToUse)); // delete the old entry from file if (list != null) { for (final String entry : list) { if (entry.equals(oldEntry)) { list.remove(entry); break; } } FileUtils.writeList(new File(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 (final String supportedBlacklistType : supportedBlacklistTypes) { if (ListManager.listSetContains(supportedBlacklistType + ".BlackLists",blacklistToUse)) { Switchboard.urlBlacklist.remove(supportedBlacklistType,oldEntry.substring(0, pos), oldEntry.substring(pos + 1)); } } } /** * 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 supportedBlacklistTypes */ private static void addBlacklistEntry( final File listsPath, final String blacklistToUse, String newEntry, final String[] supportedBlacklistTypes) { // 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 (!Blacklist.blacklistFileContains(listsPath, blacklistToUse, newEntry)) { // append the line to the file PrintWriter pw = null; try { pw = new PrintWriter(new FileWriter(new File(listsPath, blacklistToUse), true)); pw.println(newEntry); pw.close(); } catch (final IOException e) { Log.logException(e); } 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 (final String supportedBlacklistType : supportedBlacklistTypes) { if (ListManager.listSetContains(supportedBlacklistType + ".BlackLists", blacklistToUse)) { Switchboard.urlBlacklist.add(supportedBlacklistType, newEntry.substring(0, pos), newEntry.substring(pos + 1)); } } } } }