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yacy_search_server/htroot/Blacklist_p.java

471 lines
22 KiB

// 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.ArrayList;
import java.util.Arrays;
import java.util.Iterator;
import java.util.TreeMap;
import de.anomic.data.listManager;
import de.anomic.http.httpHeader;
import de.anomic.index.indexAbstractReferenceBlacklist;
import de.anomic.index.indexReferenceBlacklist;
import de.anomic.plasma.plasmaSwitchboard;
import de.anomic.server.serverObjects;
import de.anomic.server.serverSwitch;
import de.anomic.yacy.yacySeed;
import de.anomic.yacy.yacyURL;
public class Blacklist_p {
private final static String DISABLED = "disabled_";
private final static String BLACKLIST = "blackLists_";
private final static String BLACKLIST_SHARED = "BlackLists.Shared";
public static serverObjects respond(httpHeader header, serverObjects post, serverSwitch<?> env) {
plasmaSwitchboard sb = (plasmaSwitchboard) env;
// initialize the list manager
listManager.switchboard = (plasmaSwitchboard) env;
listManager.listsPath = new File(listManager.switchboard.getRootPath(),listManager.switchboard.getConfig("listManager.listsPath", "DATA/LISTS"));
// getting the list of supported blacklist types
String supportedBlacklistTypesStr = indexAbstractReferenceBlacklist.BLACKLIST_TYPES_STRING;
String[] supportedBlacklistTypes = supportedBlacklistTypesStr.split(",");
String blacklistToUse = null;
serverObjects prop = new serverObjects();
prop.putHTML("blacklistEngine", plasmaSwitchboard.urlBlacklist.getEngineInfo());
prop.putHTML("asd", "0");
// do all post operations
if (post != null) {
if(post.containsKey("testList")) {
prop.put("testlist", "1");
String urlstring = post.get("testurl", "");
if(!urlstring.startsWith("http://")) urlstring = "http://"+urlstring;
yacyURL testurl = null;
try {
testurl = new yacyURL(urlstring, null);
} catch (MalformedURLException e) { }
if(testurl != null) {
prop.putHTML("testlist_url",testurl.toString());
if(plasmaSwitchboard.urlBlacklist.isListed(indexReferenceBlacklist.BLACKLIST_CRAWLER, testurl))
prop.put("testlist_listedincrawler", "1");
if(plasmaSwitchboard.urlBlacklist.isListed(indexReferenceBlacklist.BLACKLIST_DHT, testurl))
prop.put("testlist_listedindht", "1");
if(plasmaSwitchboard.urlBlacklist.isListed(indexReferenceBlacklist.BLACKLIST_NEWS, testurl))
prop.put("testlist_listedinnews", "1");
if(plasmaSwitchboard.urlBlacklist.isListed(indexReferenceBlacklist.BLACKLIST_PROXY, testurl))
prop.put("testlist_listedinproxy", "1");
if(plasmaSwitchboard.urlBlacklist.isListed(indexReferenceBlacklist.BLACKLIST_SEARCH, testurl))
prop.put("testlist_listedinsearch", "1");
if(plasmaSwitchboard.urlBlacklist.isListed(indexReferenceBlacklist.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");
if (blacklistToUse.trim().length() == 0) {
prop.put("LOCATION","");
return prop;
}
if (!blacklistToUse.endsWith(".black")) blacklistToUse += ".black";
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 (int blTypes=0; blTypes < supportedBlacklistTypes.length; blTypes++) {
listManager.updateListSet(supportedBlacklistTypes[blTypes] + ".BlackLists",blacklistToUse);
}
} catch (IOException e) {/* */}
} else if (post.containsKey("deleteList")) {
/* ===========================================================
* Delete a blacklist
* =========================================================== */
blacklistToUse = post.get("selectedListName");
if (blacklistToUse == null || blacklistToUse.trim().length() == 0) {
prop.put("LOCATION","");
return prop;
}
File BlackListFile = new File(listManager.listsPath, blacklistToUse);
BlackListFile.delete();
for (int blTypes=0; blTypes < supportedBlacklistTypes.length; blTypes++) {
listManager.removeFromListSet(supportedBlacklistTypes[blTypes] + ".BlackLists",blacklistToUse);
}
// remove it from the shared list
listManager.removeFromListSet(BLACKLIST_SHARED, blacklistToUse);
blacklistToUse = null;
// reload Blacklists
listManager.reloadBlacklists();
} else if (post.containsKey("activateList")) {
/* ===========================================================
* Activate/Deactivate a blacklist
* =========================================================== */
blacklistToUse = post.get("selectedListName");
if (blacklistToUse == null || blacklistToUse.trim().length() == 0) {
prop.put("LOCATION", "");
return prop;
}
for (int blTypes=0; blTypes < supportedBlacklistTypes.length; blTypes++) {
if (post.containsKey("activateList4" + supportedBlacklistTypes[blTypes])) {
listManager.updateListSet(supportedBlacklistTypes[blTypes] + ".BlackLists",blacklistToUse);
} else {
listManager.removeFromListSet(supportedBlacklistTypes[blTypes] + ".BlackLists",blacklistToUse);
}
}
listManager.reloadBlacklists();
} else if (post.containsKey("shareList")) {
/* ===========================================================
* Share a blacklist
* =========================================================== */
blacklistToUse = post.get("selectedListName");
if (blacklistToUse == null || blacklistToUse.trim().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 (post.containsKey("deleteBlacklistEntry")) {
String temp = deleteBlacklistEntry(post.get("currentBlacklist"),
post.get("selectedEntry"), header, supportedBlacklistTypes);
if (temp != null) {
prop.put("LOCATION", temp);
return prop;
}
} else if (post.containsKey("addBlacklistEntry")) {
String temp = addBlacklistEntry(post.get("currentBlacklist"),
post.get("newEntry"), header, supportedBlacklistTypes);
if (temp != null) {
prop.put("LOCATION", temp);
return prop;
}
} else if (post.containsKey("moveBlacklistEntry")) {
/* ===========================================================
* First add entry to blacklist item moves to
* =========================================================== */
String temp = addBlacklistEntry(post.get("targetBlacklist"),
post.get("selectedEntry"), header, supportedBlacklistTypes);
if (temp != null) {
prop.put("LOCATION", temp);
return prop;
}
/* ===========================================================
* Then delete item from blacklist it is moved away from
* =========================================================== */
temp = deleteBlacklistEntry(post.get("currentBlacklist"),
post.get("selectedEntry"), header, supportedBlacklistTypes);
if (temp != null) {
prop.put("LOCATION", temp);
return prop;
}
} else if (post.containsKey("editBlacklistEntry")) {
if(post.containsKey("editedBlacklistEntry")) {
/* ===========================================================
* First delete old item from blacklist
* =========================================================== */
String temp = deleteBlacklistEntry(post.get("currentBlacklist"),
post.get("selectedBlacklistEntry"), header, supportedBlacklistTypes);
if (temp != null) {
prop.put("LOCATION", temp);
return prop;
}
/* ===========================================================
* Thent add new entry to blacklist
* =========================================================== */
temp = addBlacklistEntry(post.get("currentBlacklist"),
post.get("editedBlacklistEntry"), header, supportedBlacklistTypes);
if (temp != null) {
prop.put("LOCATION", temp);
return prop;
}
} else {
String selectedEntry = post.get("selectedEntry");
String currentBlacklist = post.get("currentBlacklist");
if (selectedEntry != null && currentBlacklist != null) {
prop.put(DISABLED + "edit_item", selectedEntry);
prop.put(DISABLED + "edit_currentBlacklist", currentBlacklist);
prop.put(DISABLED + "edit", "1");
}
}
}
}
// loading all blacklist files located in the directory
String[] dirlist = listManager.getDirListing(listManager.listsPath);
// if we have not chosen a blacklist until yet we use the first file
if (blacklistToUse == null && dirlist != null && dirlist.length > 0) {
blacklistToUse = dirlist[0];
}
// Read the blacklist items from file
if (blacklistToUse != null) {
int entryCount = 0;
final ArrayList<String> list = listManager.getListArray(new File(listManager.listsPath, blacklistToUse));
// sort them
String[] sortedlist = new String[list.size()];
Arrays.sort(list.toArray(sortedlist));
// display them
for (int j=0;j<sortedlist.length;++j){
String nextEntry = sortedlist[j];
if (nextEntry.length() == 0) continue;
if (nextEntry.startsWith("#")) continue;
prop.put(DISABLED + "Itemlist_" + entryCount + "_item", nextEntry);
entryCount++;
}
prop.put(DISABLED + "Itemlist", entryCount);
// List known hosts for BlackList retrieval
if (sb.webIndex.seedDB != null && sb.webIndex.seedDB.sizeConnected() > 0) { // no nullpointer error
int peerCount = 0;
try {
TreeMap<String, String> hostList = new TreeMap<String, String>();
final Iterator<yacySeed> e = sb.webIndex.seedDB.seedsConnected(true, false, null, (float) 0.0);
while (e.hasNext()) {
yacySeed seed = e.next();
if (seed != null) hostList.put(seed.get(yacySeed.NAME, "nameless"),seed.hash);
}
String peername;
while ((peername = hostList.firstKey()) != null) {
final String Hash = hostList.get(peername);
prop.put(DISABLED + "otherHosts_" + peerCount + "_hash", Hash);
prop.putHTML(DISABLED + "otherHosts_" + peerCount + "_name", peername, true);
hostList.remove(peername);
peerCount++;
}
} catch (Exception e) {/* */}
prop.put(DISABLED + "otherHosts", peerCount);
}
}
// List BlackLists
int blacklistCount = 0;
if (dirlist != null) {
for (int i = 0; i <= dirlist.length - 1; i++) {
prop.putHTML(DISABLED + BLACKLIST + blacklistCount + "_name", dirlist[i], true);
prop.put(DISABLED + BLACKLIST + blacklistCount + "_selected", "0");
if (dirlist[i].equals(blacklistToUse)) { //current List
prop.put(DISABLED + BLACKLIST + blacklistCount + "_selected", "1");
for (int blTypes=0; blTypes < supportedBlacklistTypes.length; blTypes++) {
prop.putHTML(DISABLED + "currentActiveFor_" + blTypes + "_blTypeName",supportedBlacklistTypes[blTypes], true);
prop.put(DISABLED + "currentActiveFor_" + blTypes + "_checked",
listManager.listSetContains(supportedBlacklistTypes[blTypes] + ".BlackLists",dirlist[i]) ? "0" : "1");
}
prop.put(DISABLED + "currentActiveFor", supportedBlacklistTypes.length);
}
if (listManager.listSetContains(BLACKLIST_SHARED, dirlist[i])) {
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",dirlist[i])) {
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.putHTML(DISABLED + "currentBlacklist", (blacklistToUse==null) ? "" : blacklistToUse, true);
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
* @return null if no error occured, else a String to put into LOCATION
*/
private static String addBlacklistEntry(String blacklistToUse, String newEntry,
httpHeader header, String[] supportedBlacklistTypes) {
if (blacklistToUse == null || blacklistToUse.trim().length() == 0) {
return "";
}
if (newEntry == null || newEntry.trim().length() == 0) {
return header.get("PATH") + "?selectList=&selectedListName=" + blacklistToUse;
}
// TODO: ignore empty entries
if (newEntry.startsWith("http://") ){
newEntry = newEntry.substring(7);
}
int pos = newEntry.indexOf("/");
if (pos < 0) {
// add default empty path pattern
pos = newEntry.length();
newEntry = newEntry + "/.*";
}
// append the line to the file
PrintWriter pw = null;
try {
pw = new PrintWriter(new FileWriter(new File(listManager.listsPath, blacklistToUse), true));
pw.println(newEntry);
pw.close();
} catch (IOException e) {
e.printStackTrace();
} finally {
if (pw != null) try { pw.close(); } catch (Exception e){ /* */}
}
// add to blacklist
for (int blTypes=0; blTypes < supportedBlacklistTypes.length; blTypes++) {
if (listManager.listSetContains(supportedBlacklistTypes[blTypes] + ".BlackLists",blacklistToUse)) {
plasmaSwitchboard.urlBlacklist.add(supportedBlacklistTypes[blTypes],newEntry.substring(0, pos), newEntry.substring(pos + 1));
}
}
return null;
}
/**
* This method deletes a blacklist entry.
* @param blacklistToUse the name of the blacklist the entry is to be deleted from
* @param oldEntry the entry that is to be deleted
* @return null if no error occured, else a String to put into LOCATION
*/
private static String deleteBlacklistEntry(String blacklistToUse, String oldEntry,
httpHeader header, String[] supportedBlacklistTypes) {
if (blacklistToUse == null || blacklistToUse.trim().length() == 0) {
return "";
}
if (oldEntry == null || oldEntry.trim().length() == 0) {
return header.get("PATH") + "?selectList=&selectedListName=" + blacklistToUse;
}
// load blacklist data from file
ArrayList<String> list = listManager.getListArray(new File(listManager.listsPath, blacklistToUse));
// delete the old entry from file
if (list != null) {
for (int i=0; i < list.size(); i++) {
if ((list.get(i)).equals(oldEntry)) {
list.remove(i);
break;
}
}
listManager.writeList(new File(listManager.listsPath, blacklistToUse), list.toArray(new String[list.size()]));
}
// remove the entry from the running blacklist engine
int pos = oldEntry.indexOf("/");
if (pos < 0) {
// add default empty path pattern
pos = oldEntry.length();
oldEntry = oldEntry + "/.*";
}
for (int blTypes=0; blTypes < supportedBlacklistTypes.length; blTypes++) {
if (listManager.listSetContains(supportedBlacklistTypes[blTypes] + ".BlackLists",blacklistToUse)) {
plasmaSwitchboard.urlBlacklist.remove(supportedBlacklistTypes[blTypes],oldEntry.substring(0, pos), oldEntry.substring(pos + 1));
}
}
return null;
}
}