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332 lines
15 KiB
332 lines
15 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: 2007-11-14 01:15:28 +0000 (Mi, 14 Nov 2007) $
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// $LastChangedRevision: 4216 $
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// $LastChangedBy: orbiter $
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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.HashMap;
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import java.util.HashSet;
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import java.util.Iterator;
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import java.util.Set;
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import de.anomic.data.listManager;
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import de.anomic.http.httpRequestHeader;
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import de.anomic.kelondro.order.Bitfield;
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import de.anomic.kelondro.text.MetadataRowContainer;
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import de.anomic.kelondro.text.Reference;
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import de.anomic.kelondro.text.ReferenceContainer;
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import de.anomic.kelondro.text.ReferenceContainerCache;
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import de.anomic.kelondro.text.ReferenceRow;
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import de.anomic.kelondro.text.Word;
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import de.anomic.kelondro.text.AbstractBlacklist;
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import de.anomic.plasma.plasmaSearchAPI;
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import de.anomic.plasma.plasmaSearchEvent;
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import de.anomic.plasma.plasmaSearchRankingProcess;
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import de.anomic.plasma.plasmaSwitchboard;
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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.yacyURL;
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public class IndexControlRWIs_p {
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public static serverObjects respond(final httpRequestHeader header, final serverObjects post, final serverSwitch<?> env) {
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// return variable that accumulates replacements
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final plasmaSwitchboard sb = (plasmaSwitchboard) env;
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final serverObjects prop = new serverObjects();
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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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// 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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plasmaSearchEvent.cleanupEvents(true);
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if (post != null) {
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// default values
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final String keystring = post.get("keystring", "").trim();
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String keyhash = post.get("keyhash", "").trim();
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prop.putHTML("keystring", keystring);
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prop.putHTML("keyhash", 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 plasmaSearchRankingProcess ranking = plasmaSearchAPI.genSearchresult(prop, sb, 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 || !Word.word2hash(keystring).equals(keyhash)) {
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prop.put("keystring", "<not possible to compute word from hash>");
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}
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final plasmaSearchRankingProcess ranking = plasmaSearchAPI.genSearchresult(prop, sb, 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", 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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sb.webIndex.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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e.printStackTrace();
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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")) {
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if (delurl || delurlref) {
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// generate an urlx array
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ReferenceContainer index = null;
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index = sb.webIndex.getReferences(keyhash, null);
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final Iterator<ReferenceRow> en = index.entries();
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int 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().urlHash();
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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 (int i = 0; i < urlx.length; i++) sb.removeAllUrlReferences(urlx[i], true);
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}
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if (delurl || delurlref) {
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for (int i = 0; i < urlx.length; i++) {
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sb.urlRemove(urlx[i]);
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}
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}
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sb.webIndex.deleteAllReferences(keyhash);
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post.remove("keyhashdeleteall");
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post.put("urllist", "generated");
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}
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// delete selected URLs
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if (post.containsKey("keyhashdelete")) {
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if (delurlref) {
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for (int i = 0; i < urlx.length; i++) sb.removeAllUrlReferences(urlx[i], true);
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}
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if (delurl || delurlref) {
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for (int i = 0; i < urlx.length; i++) {
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sb.urlRemove(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 (int i = 0; i < urlx.length; i++) urlHashes.add(urlx[i]);
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sb.webIndex.removeReferences(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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}
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if (post.containsKey("urllist")) {
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if (keystring.length() == 0 || !Word.word2hash(keystring).equals(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 = plasmaSearchAPI.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 plasmaSearchRankingProcess ranking = plasmaSearchAPI.genSearchresult(prop, sb, keyhash, flags);
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plasmaSearchAPI.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")) {
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if (keystring.length() == 0 || !Word.word2hash(keystring).equals(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.webIndex.seedDB.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.webIndex.seedDB.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.webIndex.seedDB.getConnected(host);
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}
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// prepare index
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ReferenceContainer index;
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final long starttime = System.currentTimeMillis();
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index = sb.webIndex.getReferences(keyhash, null);
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// built urlCache
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final Iterator<ReferenceRow> urlIter = index.entries();
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final HashMap<String, MetadataRowContainer> knownURLs = new HashMap<String, MetadataRowContainer>();
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final HashSet<String> unknownURLEntries = new HashSet<String>();
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Reference iEntry;
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MetadataRowContainer lurl;
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while (urlIter.hasNext()) {
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iEntry = urlIter.next();
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lurl = sb.webIndex.getURL(iEntry.urlHash(), null, 0);
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if (lurl == null) {
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unknownURLEntries.add(iEntry.urlHash());
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urlIter.remove();
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} else {
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knownURLs.put(iEntry.urlHash(), lurl);
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}
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}
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// make an indexContainerCache
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ReferenceContainerCache icc = new ReferenceContainerCache(index.rowdef);
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icc.addReferences(index);
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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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}
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// generate list
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if (post.containsKey("keyhashsimilar")) {
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final Iterator<ReferenceContainer> containerIt = sb.webIndex.indexContainerSet(keyhash, false, true, 256).iterator();
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ReferenceContainer container;
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int 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.getWordHash());
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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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}
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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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yacyURL url;
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for (int i=0; i<urlx.length; i++) {
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urlHashes.add(urlx[i]);
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final MetadataRowContainer e = sb.webIndex.getURL(urlx[i], null, 0);
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sb.webIndex.removeURL(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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plasmaSwitchboard.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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}
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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 = AbstractBlacklist.BLACKLIST_TYPES_STRING.split(",");
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pw = new PrintWriter(new FileWriter(new File(listManager.listsPath, blacklist), true));
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yacyURL url;
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for (int i=0; i<urlx.length; i++) {
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urlHashes.add(urlx[i]);
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final MetadataRowContainer e = sb.webIndex.getURL(urlx[i], null, 0);
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sb.webIndex.removeURL(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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plasmaSwitchboard.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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sb.webIndex.removeReferences(keyhash, urlHashes);
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}
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if (prop.getInt("searchresult", 0) == 3) plasmaSearchAPI.listHosts(prop, keyhash, sb);
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}
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// insert constants
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prop.putNum("wcount", sb.webIndex.size());
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// return rewrite properties
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return prop;
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}
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}
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