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537 lines
28 KiB
537 lines
28 KiB
// IndexControlRWIs_p.java
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// -----------------------
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// (C) 2004-2007 by Michael Peter Christen; mc@yacy.net, Frankfurt a. M., Germany
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// first published 2004 on http://yacy.net
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//
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// This is a part of YaCy, a peer-to-peer based web search engine
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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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// LICENSE
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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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import java.io.File;
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import java.io.FileWriter;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Set;
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import net.yacy.document.Condenser;
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import net.yacy.kelondro.data.meta.DigestURI;
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import net.yacy.kelondro.data.meta.URIMetadataRow;
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import net.yacy.kelondro.data.word.Word;
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import net.yacy.kelondro.data.word.WordReference;
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import net.yacy.kelondro.data.word.WordReferenceRow;
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import net.yacy.kelondro.index.RowSpaceExceededException;
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import net.yacy.kelondro.logging.Log;
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import net.yacy.kelondro.order.Bitfield;
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import net.yacy.kelondro.rwi.Reference;
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import net.yacy.kelondro.rwi.ReferenceContainer;
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import net.yacy.kelondro.rwi.ReferenceContainerCache;
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import net.yacy.kelondro.util.DateFormatter;
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import net.yacy.kelondro.util.FileUtils;
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import net.yacy.repository.Blacklist;
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import de.anomic.data.listManager;
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import de.anomic.http.server.RequestHeader;
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import de.anomic.search.QueryParams;
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import de.anomic.search.RankingProcess;
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import de.anomic.search.ReferenceOrder;
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import de.anomic.search.SearchEventCache;
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import de.anomic.search.Segment;
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import de.anomic.search.Switchboard;
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import de.anomic.search.SwitchboardConstants;
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import de.anomic.server.serverObjects;
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import de.anomic.server.serverSwitch;
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import de.anomic.yacy.yacyClient;
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import de.anomic.yacy.yacySeed;
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import de.anomic.yacy.dht.PeerSelection;
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public class IndexControlRWIs_p {
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public static serverObjects respond(final RequestHeader header, final serverObjects post, final serverSwitch env) {
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// return variable that accumulates replacements
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final Switchboard sb = (Switchboard) env;
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final serverObjects prop = new serverObjects();
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// set default values
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prop.putHTML("keystring", "");
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prop.put("keyhash", "");
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prop.put("result", "");
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String segmentName = sb.getConfig(SwitchboardConstants.SEGMENT_PUBLIC, "default");
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int i = 0;
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for (String s: sb.indexSegments.segmentNames()) {
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prop.put("segments_" + i + "_name", s);
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prop.put("segments_" + i + "_selected", (segmentName.equals(s)) ? 1 : 0);
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i++;
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}
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Segment segment = sb.indexSegments.segment(segmentName);
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prop.put("segments", i);
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// switch off all optional forms/lists
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prop.put("searchresult", 0);
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prop.put("keyhashsimilar", 0);
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prop.put("genUrlList", 0);
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// clean up all search events
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SearchEventCache.cleanupEvents(true);
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if (post != null) {
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// default values
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segmentName = post.get("segment", segmentName).trim();
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i= 0;
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for (String s: sb.indexSegments.segmentNames()) {
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prop.put("segments_" + i + "_name", s);
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prop.put("segments_" + i + "_selected", (segmentName.equals(s)) ? 1 : 0);
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i++;
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}
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prop.put("segments", i);
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segment = sb.indexSegments.segment(segmentName);
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final String keystring = post.get("keystring", "").trim();
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byte[] keyhash = post.get("keyhash", "").trim().getBytes();
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prop.putHTML("keystring", keystring);
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prop.putHTML("keyhash", new String(keyhash));
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// read values from checkboxes
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String[] urlx = post.getAll("urlhx.*");
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final boolean delurl = post.containsKey("delurl");
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final boolean delurlref = post.containsKey("delurlref");
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if (post.containsKey("keystringsearch")) {
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keyhash = Word.word2hash(keystring);
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prop.put("keyhash", keyhash);
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final RankingProcess ranking = genSearchresult(prop, sb, segment, keyhash, null);
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if (ranking.filteredCount() == 0) {
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prop.put("searchresult", 1);
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prop.putHTML("searchresult_word", keystring);
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}
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}
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if (post.containsKey("keyhashsearch")) {
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if (keystring.length() == 0 || !new String(Word.word2hash(keystring)).equals(new String(keyhash))) {
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prop.put("keystring", "<not possible to compute word from hash>");
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}
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final RankingProcess ranking = genSearchresult(prop, sb, segment, keyhash, null);
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if (ranking.filteredCount() == 0) {
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prop.put("searchresult", 2);
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prop.putHTML("searchresult_wordhash", new String(keyhash));
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}
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}
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// delete everything
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if (post.containsKey("deletecomplete") && post.containsKey("confirmDelete")) {
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segment.clear();
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sb.crawlQueues.clear();
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sb.crawlStacker.clear();
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try {
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sb.robots.clear();
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} catch (final IOException e) {
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Log.logException(e);
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}
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post.remove("deletecomplete");
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}
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// delete word
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if (post.containsKey("keyhashdeleteall")) try {
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if (delurl || delurlref) {
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// generate an urlx array
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ReferenceContainer<WordReference> index = null;
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index = segment.termIndex().get(keyhash, null);
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final Iterator<WordReference> en = index.entries();
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i = 0;
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urlx = new String[index.size()];
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while (en.hasNext()) {
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urlx[i++] = en.next().metadataHash();
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}
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index = null;
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}
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if (delurlref) {
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for (i = 0; i < urlx.length; i++) segment.removeAllUrlReferences(urlx[i], sb.loader, true);
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}
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if (delurl || delurlref) {
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for (i = 0; i < urlx.length; i++) {
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sb.urlRemove(segment, urlx[i]);
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}
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}
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segment.termIndex().delete(keyhash);
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post.remove("keyhashdeleteall");
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post.put("urllist", "generated");
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} catch (IOException e) {
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Log.logException(e);
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}
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// delete selected URLs
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if (post.containsKey("keyhashdelete")) try {
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if (delurlref) {
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for (i = 0; i < urlx.length; i++) segment.removeAllUrlReferences(urlx[i], sb.loader, true);
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}
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if (delurl || delurlref) {
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for (i = 0; i < urlx.length; i++) {
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sb.urlRemove(segment, urlx[i]);
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}
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}
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final Set<String> urlHashes = new HashSet<String>();
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for (i = 0; i < urlx.length; i++) urlHashes.add(urlx[i]);
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segment.termIndex().remove(keyhash, urlHashes);
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// this shall lead to a presentation of the list; so handle that the remaining program
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// thinks that it was called for a list presentation
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post.remove("keyhashdelete");
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post.put("urllist", "generated");
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} catch (IOException e) {
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Log.logException(e);
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}
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if (post.containsKey("urllist")) {
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if (keystring.length() == 0 || !new String(Word.word2hash(keystring)).equals(new String(keyhash))) {
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prop.put("keystring", "<not possible to compute word from hash>");
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}
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final Bitfield flags = compileFlags(post);
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final int count = (post.get("lines", "all").equals("all")) ? -1 : post.getInt("lines", -1);
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final RankingProcess ranking = genSearchresult(prop, sb, segment, keyhash, flags);
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genURLList(prop, keyhash, keystring, ranking, flags, count);
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}
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// transfer to other peer
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if (post.containsKey("keyhashtransfer")) try {
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if (keystring.length() == 0 || !new String(Word.word2hash(keystring)).equals(new String(keyhash))) {
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prop.put("keystring", "<not possible to compute word from hash>");
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}
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// find host & peer
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String host = post.get("host", ""); // get host from input field
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yacySeed seed = null;
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if (host.length() != 0) {
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if (host.length() == 12) {
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// the host string is a peer hash
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seed = sb.peers.getConnected(host);
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} else {
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// the host string can be a host name
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seed = sb.peers.lookupByName(host);
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}
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} else {
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host = post.get("hostHash", ""); // if input field is empty, get from select box
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seed = sb.peers.getConnected(host);
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}
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// prepare index
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ReferenceContainer<WordReference> index;
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final long starttime = System.currentTimeMillis();
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index = segment.termIndex().get(keyhash, null);
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// built urlCache
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final Iterator<WordReference> urlIter = index.entries();
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final HashMap<String, URIMetadataRow> knownURLs = new HashMap<String, URIMetadataRow>();
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final HashSet<String> unknownURLEntries = new HashSet<String>();
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Reference iEntry;
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URIMetadataRow lurl;
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while (urlIter.hasNext()) {
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iEntry = urlIter.next();
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lurl = segment.urlMetadata().load(iEntry.metadataHash(), null, 0);
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if (lurl == null) {
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unknownURLEntries.add(iEntry.metadataHash());
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urlIter.remove();
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} else {
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knownURLs.put(iEntry.metadataHash(), lurl);
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}
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}
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// make an indexContainerCache
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ReferenceContainerCache<WordReference> icc = new ReferenceContainerCache<WordReference>(Segment.wordReferenceFactory, index.rowdef, Segment.wordOrder);
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try {
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icc.add(index);
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} catch (RowSpaceExceededException e) {
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Log.logException(e);
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}
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// transport to other peer
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final String gzipBody = sb.getConfig("indexControl.gzipBody","false");
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final int timeout = (int) sb.getConfigLong("indexControl.timeout",60000);
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final String error = yacyClient.transferIndex(
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seed,
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icc,
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knownURLs,
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"true".equalsIgnoreCase(gzipBody),
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timeout);
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prop.put("result", (error == null) ? ("Successfully transferred " + knownURLs.size() + " words in " + ((System.currentTimeMillis() - starttime) / 1000) + " seconds, " + unknownURLEntries + " URL not found") : "error: " + error);
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index = null;
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} catch (IOException e) {
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Log.logException(e);
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}
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// generate list
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if (post.containsKey("keyhashsimilar")) try {
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final Iterator<ReferenceContainer<WordReference>> containerIt = segment.termIndex().references(keyhash, true, 256, false).iterator();
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ReferenceContainer<WordReference> container;
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i = 0;
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int rows = 0, cols = 0;
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prop.put("keyhashsimilar", "1");
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while (containerIt.hasNext() && i < 256) {
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container = containerIt.next();
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prop.put("keyhashsimilar_rows_"+rows+"_cols_"+cols+"_wordHash", container.getTermHash());
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cols++;
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if (cols==8) {
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prop.put("keyhashsimilar_rows_"+rows+"_cols", cols);
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cols = 0;
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rows++;
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}
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i++;
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}
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prop.put("keyhashsimilar_rows_"+rows+"_cols", cols);
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prop.put("keyhashsimilar_rows", rows + 1);
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prop.put("result", "");
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} catch (IOException e) {
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Log.logException(e);
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}
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if (post.containsKey("blacklist")) {
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final String blacklist = post.get("blacklist", "");
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final Set<String> urlHashes = new HashSet<String>();
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if (post.containsKey("blacklisturls")) {
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PrintWriter pw;
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try {
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final String[] supportedBlacklistTypes = env.getConfig("BlackLists.types", "").split(",");
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pw = new PrintWriter(new FileWriter(new File(listManager.listsPath, blacklist), true));
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DigestURI url;
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for (i = 0; i < urlx.length; i++) {
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urlHashes.add(urlx[i]);
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final URIMetadataRow e = segment.urlMetadata().load(urlx[i], null, 0);
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segment.urlMetadata().remove(urlx[i]);
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if (e != null) {
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url = e.metadata().url();
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pw.println(url.getHost() + "/" + url.getFile());
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for (int blTypes=0; blTypes < supportedBlacklistTypes.length; blTypes++) {
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if (listManager.listSetContains(supportedBlacklistTypes[blTypes] + ".BlackLists", blacklist)) {
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Switchboard.urlBlacklist.add(
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supportedBlacklistTypes[blTypes],
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url.getHost(),
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url.getFile());
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}
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}
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SearchEventCache.cleanupEvents(true);
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}
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}
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pw.close();
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} catch (final IOException e) {
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}
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}
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if (post.containsKey("blacklistdomains")) {
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PrintWriter pw;
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try {
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final String[] supportedBlacklistTypes = Blacklist.BLACKLIST_TYPES_STRING.split(",");
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pw = new PrintWriter(new FileWriter(new File(listManager.listsPath, blacklist), true));
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DigestURI url;
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for (i = 0; i<urlx.length; i++) {
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urlHashes.add(urlx[i]);
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final URIMetadataRow e = segment.urlMetadata().load(urlx[i], null, 0);
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segment.urlMetadata().remove(urlx[i]);
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if (e != null) {
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url = e.metadata().url();
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pw.println(url.getHost() + "/.*");
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for (int blTypes=0; blTypes < supportedBlacklistTypes.length; blTypes++) {
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if (listManager.listSetContains(supportedBlacklistTypes[blTypes] + ".BlackLists", blacklist)) {
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Switchboard.urlBlacklist.add(
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supportedBlacklistTypes[blTypes],
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url.getHost(), ".*");
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}
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}
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}
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}
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pw.close();
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} catch (final IOException e) {
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}
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}
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try {
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segment.termIndex().remove(keyhash, urlHashes);
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} catch (IOException e) {
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Log.logException(e);
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}
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}
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if (prop.getInt("searchresult", 0) == 3) listHosts(prop, keyhash, sb);
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}
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// insert constants
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prop.putNum("wcount", segment.termIndex().sizesMax());
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// return rewrite properties
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return prop;
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}
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public static void genURLList(final serverObjects prop, final byte[] keyhash, final String keystring, final RankingProcess ranked, final Bitfield flags, final int maxlines) {
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// search for a word hash and generate a list of url links
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prop.put("genUrlList_keyHash", new String(keyhash));
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if (ranked.filteredCount() == 0) {
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prop.put("genUrlList", 1);
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prop.put("genUrlList_count", 0);
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prop.put("searchresult", 2);
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} else {
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prop.put("genUrlList", 2);
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prop.put("searchresult", 3);
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prop.put("genUrlList_flags", (flags == null) ? "" : flags.exportB64());
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prop.put("genUrlList_lines", maxlines);
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int i = 0;
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DigestURI url;
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URIMetadataRow entry;
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String us;
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long rn = -1;
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while (!ranked.isEmpty() && (entry = ranked.takeURL(false, 60000)) != null) {
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if ((entry == null) || (entry.metadata() == null)) continue;
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url = entry.metadata().url();
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if (url == null) continue;
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us = url.toNormalform(false, false);
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if (rn == -1) rn = entry.ranking();
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prop.put("genUrlList_urlList_"+i+"_urlExists", "1");
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prop.put("genUrlList_urlList_"+i+"_urlExists_urlhxCount", i);
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prop.putHTML("genUrlList_urlList_"+i+"_urlExists_urlhxValue", entry.word().metadataHash());
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prop.putHTML("genUrlList_urlList_"+i+"_urlExists_keyString", keystring);
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prop.put("genUrlList_urlList_"+i+"_urlExists_keyHash", new String(keyhash));
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prop.putHTML("genUrlList_urlList_"+i+"_urlExists_urlString", us);
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prop.put("genUrlList_urlList_"+i+"_urlExists_urlStringShort", (us.length() > 40) ? (us.substring(0, 20) + "<br>" + us.substring(20, 40) + "...") : ((us.length() > 30) ? (us.substring(0, 20) + "<br>" + us.substring(20)) : us));
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prop.putNum("genUrlList_urlList_"+i+"_urlExists_ranking", (entry.ranking() - rn));
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prop.putNum("genUrlList_urlList_"+i+"_urlExists_domlength", DigestURI.domLengthEstimation(entry.hash()));
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prop.putNum("genUrlList_urlList_"+i+"_urlExists_ybr", RankingProcess.ybr(entry.hash()));
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prop.putNum("genUrlList_urlList_"+i+"_urlExists_tf", 1000.0 * entry.word().termFrequency());
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prop.putNum("genUrlList_urlList_"+i+"_urlExists_authority", (ranked.getOrder() == null) ? -1 : ranked.getOrder().authority(entry.hash()));
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prop.put("genUrlList_urlList_"+i+"_urlExists_date", DateFormatter.formatShortDay(new Date(entry.word().lastModified())));
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prop.putNum("genUrlList_urlList_"+i+"_urlExists_wordsintitle", entry.word().wordsintitle());
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prop.putNum("genUrlList_urlList_"+i+"_urlExists_wordsintext", entry.word().wordsintext());
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prop.putNum("genUrlList_urlList_"+i+"_urlExists_phrasesintext", entry.word().phrasesintext());
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prop.putNum("genUrlList_urlList_"+i+"_urlExists_llocal", entry.word().llocal());
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prop.putNum("genUrlList_urlList_"+i+"_urlExists_lother", entry.word().lother());
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prop.putNum("genUrlList_urlList_"+i+"_urlExists_hitcount", entry.word().hitcount());
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prop.putNum("genUrlList_urlList_"+i+"_urlExists_worddistance", 0);
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prop.putNum("genUrlList_urlList_"+i+"_urlExists_pos", entry.word().minposition());
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prop.putNum("genUrlList_urlList_"+i+"_urlExists_phrase", entry.word().posofphrase());
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prop.putNum("genUrlList_urlList_"+i+"_urlExists_posinphrase", entry.word().posinphrase());
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prop.putNum("genUrlList_urlList_"+i+"_urlExists_urlcomps", entry.word().urlcomps());
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prop.putNum("genUrlList_urlList_"+i+"_urlExists_urllength", entry.word().urllength());
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prop.put("genUrlList_urlList_"+i+"_urlExists_props",
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((entry.word().flags().get(Condenser.flag_cat_indexof)) ? "appears on index page, " : "") +
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((entry.word().flags().get(Condenser.flag_cat_hasimage)) ? "contains images, " : "") +
|
|
((entry.word().flags().get(Condenser.flag_cat_hasaudio)) ? "contains audio, " : "") +
|
|
((entry.word().flags().get(Condenser.flag_cat_hasvideo)) ? "contains video, " : "") +
|
|
((entry.word().flags().get(Condenser.flag_cat_hasapp)) ? "contains applications, " : "") +
|
|
((entry.word().flags().get(WordReferenceRow.flag_app_dc_identifier)) ? "appears in url, " : "") +
|
|
((entry.word().flags().get(WordReferenceRow.flag_app_dc_title)) ? "appears in title, " : "") +
|
|
((entry.word().flags().get(WordReferenceRow.flag_app_dc_creator)) ? "appears in author, " : "") +
|
|
((entry.word().flags().get(WordReferenceRow.flag_app_dc_subject)) ? "appears in subject, " : "") +
|
|
((entry.word().flags().get(WordReferenceRow.flag_app_dc_description)) ? "appears in description, " : "") +
|
|
((entry.word().flags().get(WordReferenceRow.flag_app_emphasized)) ? "appears emphasized, " : "") +
|
|
((DigestURI.probablyRootURL(entry.word().metadataHash())) ? "probably root url" : "")
|
|
);
|
|
if (Switchboard.urlBlacklist.isListed(Blacklist.BLACKLIST_DHT, url)) {
|
|
prop.put("genUrlList_urlList_"+i+"_urlExists_urlhxChecked", "1");
|
|
}
|
|
i++;
|
|
if ((maxlines >= 0) && (i >= maxlines)) break;
|
|
}
|
|
final Iterator<String> iter = ranked.miss(); // iterates url hash strings
|
|
while (iter.hasNext()) {
|
|
us = iter.next();
|
|
prop.put("genUrlList_urlList_"+i+"_urlExists", "0");
|
|
prop.put("genUrlList_urlList_"+i+"_urlExists_urlhxCount", i);
|
|
prop.putHTML("genUrlList_urlList_"+i+"_urlExists_urlhxValue", us);
|
|
i++;
|
|
}
|
|
prop.put("genUrlList_urlList", i);
|
|
prop.putHTML("genUrlList_keyString", keystring);
|
|
prop.put("genUrlList_count", i);
|
|
putBlacklists(prop, FileUtils.getDirListing(listManager.listsPath));
|
|
}
|
|
}
|
|
|
|
public static void putBlacklists(final serverObjects prop, final List<String> lists) {
|
|
prop.put("genUrlList_blacklists", lists.size());
|
|
int i = 0;
|
|
for (String list : lists)
|
|
prop.put("genUrlList_blacklists_" + i++ + "_name", list);
|
|
}
|
|
|
|
public static Bitfield compileFlags(final serverObjects post) {
|
|
final Bitfield b = new Bitfield(4);
|
|
if (post.get("allurl", "").equals("on")) return null;
|
|
if (post.get("flags") != null) {
|
|
if (post.get("flags","").length() == 0) return null;
|
|
return new Bitfield(4, post.get("flags"));
|
|
}
|
|
if (post.get("description", "").equals("on")) b.set(WordReferenceRow.flag_app_dc_description, true);
|
|
if (post.get("title", "").equals("on")) b.set(WordReferenceRow.flag_app_dc_title, true);
|
|
if (post.get("creator", "").equals("on")) b.set(WordReferenceRow.flag_app_dc_creator, true);
|
|
if (post.get("subject", "").equals("on")) b.set(WordReferenceRow.flag_app_dc_subject, true);
|
|
if (post.get("url", "").equals("on")) b.set(WordReferenceRow.flag_app_dc_identifier, true);
|
|
if (post.get("emphasized", "").equals("on")) b.set(WordReferenceRow.flag_app_emphasized, true);
|
|
if (post.get("image", "").equals("on")) b.set(Condenser.flag_cat_hasimage, true);
|
|
if (post.get("audio", "").equals("on")) b.set(Condenser.flag_cat_hasaudio, true);
|
|
if (post.get("video", "").equals("on")) b.set(Condenser.flag_cat_hasvideo, true);
|
|
if (post.get("app", "").equals("on")) b.set(Condenser.flag_cat_hasapp, true);
|
|
if (post.get("indexof", "").equals("on")) b.set(Condenser.flag_cat_indexof, true);
|
|
return b;
|
|
}
|
|
|
|
public static void listHosts(final serverObjects prop, final byte[] startHash, final Switchboard sb) {
|
|
// list known hosts
|
|
yacySeed seed;
|
|
int hc = 0;
|
|
prop.put("searchresult_keyhash", startHash);
|
|
final Iterator<yacySeed> e = PeerSelection.getAcceptRemoteIndexSeeds(sb.peers, startHash, sb.peers.sizeConnected(), true);
|
|
while (e.hasNext()) {
|
|
seed = e.next();
|
|
if (seed != null) {
|
|
prop.put("searchresult_hosts_" + hc + "_hosthash", seed.hash);
|
|
prop.putHTML("searchresult_hosts_" + hc + "_hostname", seed.hash + " " + seed.get(yacySeed.NAME, "nameless"));
|
|
hc++;
|
|
}
|
|
}
|
|
prop.put("searchresult_hosts", hc);
|
|
}
|
|
|
|
public static RankingProcess genSearchresult(final serverObjects prop, final Switchboard sb, Segment segment, final byte[] keyhash, final Bitfield filter) {
|
|
final QueryParams query = new QueryParams(new String(keyhash), -1, filter, segment, sb.getRanking());
|
|
final ReferenceOrder order = new ReferenceOrder(query.ranking, query.targetlang);
|
|
final RankingProcess ranked = new RankingProcess(query, order, Integer.MAX_VALUE, 1);
|
|
ranked.run();
|
|
|
|
if (ranked.filteredCount() == 0) {
|
|
prop.put("searchresult", 2);
|
|
prop.put("searchresult_wordhash", keyhash);
|
|
} else {
|
|
prop.put("searchresult", 3);
|
|
prop.put("searchresult_allurl", ranked.filteredCount());
|
|
prop.put("searchresult_description", ranked.flagCount()[WordReferenceRow.flag_app_dc_description]);
|
|
prop.put("searchresult_title", ranked.flagCount()[WordReferenceRow.flag_app_dc_title]);
|
|
prop.put("searchresult_creator", ranked.flagCount()[WordReferenceRow.flag_app_dc_creator]);
|
|
prop.put("searchresult_subject", ranked.flagCount()[WordReferenceRow.flag_app_dc_subject]);
|
|
prop.put("searchresult_url", ranked.flagCount()[WordReferenceRow.flag_app_dc_identifier]);
|
|
prop.put("searchresult_emphasized", ranked.flagCount()[WordReferenceRow.flag_app_emphasized]);
|
|
prop.put("searchresult_image", ranked.flagCount()[Condenser.flag_cat_hasimage]);
|
|
prop.put("searchresult_audio", ranked.flagCount()[Condenser.flag_cat_hasaudio]);
|
|
prop.put("searchresult_video", ranked.flagCount()[Condenser.flag_cat_hasvideo]);
|
|
prop.put("searchresult_app", ranked.flagCount()[Condenser.flag_cat_hasapp]);
|
|
prop.put("searchresult_indexof", ranked.flagCount()[Condenser.flag_cat_indexof]);
|
|
}
|
|
return ranked;
|
|
}
|
|
}
|