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yacy_search_server/htroot/Blacklist_p.java
orbiter 01e0669264 re-designed some parts of DHT position calculation (effect is the same as before) 
and replaced old fist hash computation by new method that tries to find a gap in the current dht
to do this, it is necessary that the network bootstraping is done before the own hash is computed
this made further redesigns in peer initialization order necessary

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@4117 6c8d7289-2bf4-0310-a012-ef5d649a1542
2007-10-01 12:30:23 +00:00

503 lines
24 KiB
Java
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// Blacklist_p.java
// -----------------------
// part of YaCy
// (C) by Michael Peter Christen; mc@anomic.de
// 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
//
// Using this software in any meaning (reading, learning, copying, compiling,
// running) means that you agree that the Author(s) is (are) not responsible
// for cost, loss of data or any harm that may be caused directly or indirectly
// by usage of this softare or this documentation. The usage of this software
// is on your own risk. The installation and usage (starting/running) of this
// software may allow other people or application to access your computer and
// any attached devices and is highly dependent on the configuration of the
// software which must be done by the user of the software; the author(s) is
// (are) also not responsible for proper configuration and usage of the
// software, even if provoked by documentation provided together with
// the software.
//
// Any changes to this file according to the GPL as documented in the file
// gpl.txt aside this file in the shipment you received can be done to the
// lines that follows this copyright notice here, but changes must not be
// done inside the copyright notive above. A re-distribution must contain
// the intact and unchanged copyright notice.
// Contributions and changes to the program code must be marked as such.
// 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.plasma.plasmaSwitchboard;
import de.anomic.plasma.urlPattern.abstractURLPattern;
import de.anomic.plasma.urlPattern.plasmaURLPattern;
import de.anomic.server.serverObjects;
import de.anomic.server.serverSwitch;
import de.anomic.yacy.yacyCore;
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) {
// 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 = abstractURLPattern.BLACKLIST_TYPES_STRING;
String[] supportedBlacklistTypes = supportedBlacklistTypesStr.split(",");
String blacklistToUse = null;
serverObjects prop = new serverObjects();
prop.put("blacklistEngine", plasmaSwitchboard.urlBlacklist.getEngineInfo());
// 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.put("testlist_url",testurl.toString());
if(plasmaSwitchboard.urlBlacklist.isListed(plasmaURLPattern.BLACKLIST_CRAWLER, testurl))
prop.put("testlist_listedincrawler",1);
if(plasmaSwitchboard.urlBlacklist.isListed(plasmaURLPattern.BLACKLIST_DHT, testurl))
prop.put("testlist_listedindht",1);
if(plasmaSwitchboard.urlBlacklist.isListed(plasmaURLPattern.BLACKLIST_NEWS, testurl))
prop.put("testlist_listedinnews",1);
if(plasmaSwitchboard.urlBlacklist.isListed(plasmaURLPattern.BLACKLIST_PROXY, testurl))
prop.put("testlist_listedinproxy",1);
if(plasmaSwitchboard.urlBlacklist.isListed(plasmaURLPattern.BLACKLIST_SEARCH, testurl))
prop.put("testlist_listedinsearch",1);
if(plasmaSwitchboard.urlBlacklist.isListed(plasmaURLPattern.BLACKLIST_SURFTIPS, testurl))
prop.put("testlist_listedinsurftips",1);
}
else prop.put("testlist_url","not valid");
}
if (post.containsKey("selectList")) {
blacklistToUse = (String)post.get("selectedListName");
if (blacklistToUse != null && blacklistToUse.length() == 0) blacklistToUse = null;
}
if (post.containsKey("createNewList")) {
/* ===========================================================
* Creation of a new blacklist
* =========================================================== */
blacklistToUse = (String)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 = (String)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 = (String)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 = (String)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")) {
/* ===========================================================
* Delete a blacklist entry
* =========================================================== */
// get the current selected blacklist name
blacklistToUse = (String)post.get("currentBlacklist");
if (blacklistToUse == null || blacklistToUse.trim().length() == 0) {
prop.put("LOCATION","");
return prop;
}
// get the entry that should be deleted
String oldEntry = (String)post.get("selectedEntry");
if (oldEntry == null || oldEntry.trim().length() == 0) {
prop.put("LOCATION",header.get("PATH") + "?selectList=&selectedListName=" + blacklistToUse);
return prop;
}
// load blacklist data from file
ArrayList 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 (((String)list.get(i)).equals(oldEntry)) {
list.remove(i);
break;
}
}
listManager.writeList(new File(listManager.listsPath, blacklistToUse), (String[])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));
}
}
} else if (post.containsKey("addBlacklistEntry")) {
/* ===========================================================
* Add a new blacklist entry
* =========================================================== */
blacklistToUse = (String)post.get("currentBlacklist");
if (blacklistToUse == null || blacklistToUse.trim().length() == 0) {
prop.put("LOCATION","");
return prop;
}
String newEntry = (String)post.get("newEntry");
if (newEntry.trim().length() == 0) {
prop.put("LOCATION",header.get("PATH") + "?selectList=&selectedListName=" + blacklistToUse);
return prop;
}
// 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));
}
}
} else if (post.containsKey("moveBlacklistEntry")) {
/* ===========================================================
* First add entry to blacklist item moves to
* =========================================================== */
blacklistToUse = (String)post.get("targetBlacklist");
if (blacklistToUse == null || blacklistToUse.trim().length() == 0) {
prop.put("LOCATION","");
return prop;
}
String entry = (String)post.get("selectedEntry");
if (entry == null || entry.trim().length() == 0) {
prop.put("LOCATION",header.get("PATH") + "?selectList=&selectedListName=" + blacklistToUse);
return prop;
}
// TODO: ignore empty entries
if (entry.startsWith("http://") ){
entry = entry.substring(7);
}
int pos = entry.indexOf("/");
if (pos < 0) {
// add default empty path pattern
pos = entry.length();
entry = entry + "/.*";
}
// append the line to the file
PrintWriter pw = null;
try {
pw = new PrintWriter(new FileWriter(new File(listManager.listsPath, blacklistToUse), true));
pw.println(entry);
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],entry.substring(0, pos), entry.substring(pos + 1));
}
}
/* ===========================================================
* Then delete item from blacklist it is moved away from
* =========================================================== */
// get the current selected blacklist name
blacklistToUse = (String)post.get("currentBlacklist");
if (blacklistToUse == null || blacklistToUse.trim().length() == 0) {
prop.put("LOCATION","");
return prop;
}
// load blacklist data from file
ArrayList 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 (((String)list.get(i)).equals(entry)) {
list.remove(i);
break;
}
}
listManager.writeList(new File(listManager.listsPath, blacklistToUse), (String[])list.toArray(new String[list.size()]));
}
// remove the entry from the running blacklist engine
pos = entry.indexOf("/");
if (pos < 0) {
// add default empty path pattern
pos = entry.length();
entry = entry + "/.*";
}
for (int blTypes=0; blTypes < supportedBlacklistTypes.length; blTypes++) {
if (listManager.listSetContains(supportedBlacklistTypes[blTypes] + ".BlackLists",blacklistToUse)) {
plasmaSwitchboard.urlBlacklist.remove(supportedBlacklistTypes[blTypes],entry.substring(0, pos), entry.substring(pos + 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 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 (yacyCore.seedDB != null && yacyCore.seedDB.sizeConnected() > 0) { // no nullpointer error
int peerCount = 0;
try {
TreeMap hostList = new TreeMap();
final Iterator e = yacyCore.seedDB.seedsConnected(true, false, null, (float) 0.0);
while (e.hasNext()) {
yacySeed seed = (yacySeed) e.next();
if (seed != null) hostList.put(seed.get(yacySeed.NAME, "nameless"),seed.hash);
}
String peername;
while ((peername = (String) hostList.firstKey()) != null) {
final String Hash = (String) hostList.get(peername);
prop.put(DISABLED + "otherHosts_" + peerCount + "_hash", Hash);
prop.put(DISABLED + "otherHosts_" + peerCount + "_name", peername);
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.put(DISABLED + BLACKLIST + blacklistCount + "_name", dirlist[i]);
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.put(DISABLED + "currentActiveFor_" + blTypes + "_blTypeName",supportedBlacklistTypes[blTypes]);
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.put(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 + "currentBlacklist", (blacklistToUse==null)?"":blacklistToUse);
prop.put("disabled", (blacklistToUse == null) ? 1 : 0);
return prop;
}
}
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