mirror of
https://github.com/yacy/yacy_search_server.git
synced 2024-09-19 00:01:41 +02:00
1120 lines
52 KiB
Java
1120 lines
52 KiB
Java
// yacysearch.java
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// -----------------------
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// part of the AnomicHTTPD caching proxy
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// (C) by Michael Peter Christen; mc@yacy.net
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// first published on http://www.anomic.de
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// Frankfurt, Germany, 2004
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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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// 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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//
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// You must compile this file with
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// javac -classpath .:../classes yacysearch.java
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// if the shell's current path is HTROOT
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.Map;
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import java.util.SortedSet;
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import java.util.TreeSet;
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import java.util.regex.Pattern;
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import java.util.regex.PatternSyntaxException;
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import net.yacy.cora.document.ASCII;
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import net.yacy.cora.document.Classification;
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import net.yacy.cora.document.Classification.ContentDomain;
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import net.yacy.cora.document.RSSMessage;
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import net.yacy.cora.document.UTF8;
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import net.yacy.cora.protocol.Domains;
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import net.yacy.cora.protocol.HeaderFramework;
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import net.yacy.cora.protocol.RequestHeader;
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import net.yacy.cora.protocol.ResponseHeader;
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import net.yacy.cora.services.federated.yacy.CacheStrategy;
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import net.yacy.document.Autotagging.Metatag;
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import net.yacy.document.Autotagging.Vocabulary;
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import net.yacy.document.Condenser;
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import net.yacy.document.Document;
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import net.yacy.document.LibraryProvider;
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import net.yacy.document.Parser;
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import net.yacy.document.geolocalization.Location;
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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.index.HandleSet;
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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.util.EventTracker;
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import net.yacy.kelondro.util.Formatter;
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import net.yacy.kelondro.util.ISO639;
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import net.yacy.kelondro.util.MemoryControl;
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import net.yacy.kelondro.util.SetTools;
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import net.yacy.peers.EventChannel;
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import net.yacy.peers.NewsPool;
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import net.yacy.peers.graphics.ProfilingGraph;
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import net.yacy.search.Switchboard;
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import net.yacy.search.SwitchboardConstants;
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import net.yacy.search.index.Segment;
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import net.yacy.search.index.Segments;
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import net.yacy.search.query.AccessTracker;
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import net.yacy.search.query.QueryParams;
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import net.yacy.search.query.SearchEvent;
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import net.yacy.search.query.SearchEventCache;
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import net.yacy.search.ranking.RankingProfile;
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import de.anomic.data.DidYouMean;
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import de.anomic.data.UserDB;
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import de.anomic.data.ymark.YMarkTables;
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import de.anomic.server.serverCore;
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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.server.servletProperties;
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public class yacysearch {
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public static serverObjects respond(
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final RequestHeader header,
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final serverObjects post,
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final serverSwitch env) {
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final Switchboard sb = (Switchboard) env;
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sb.localSearchLastAccess = System.currentTimeMillis();
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final boolean searchAllowed =
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sb.getConfigBool("publicSearchpage", true) || sb.verifyAuthentication(header);
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boolean authenticated = sb.adminAuthenticated(header) >= 2;
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if ( !authenticated ) {
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final UserDB.Entry user = sb.userDB.getUser(header);
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authenticated = (user != null && user.hasRight(UserDB.AccessRight.EXTENDED_SEARCH_RIGHT));
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}
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final boolean localhostAccess = sb.accessFromLocalhost(header);
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final String promoteSearchPageGreeting =
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(env.getConfigBool(SwitchboardConstants.GREETING_NETWORK_NAME, false)) ? env.getConfig(
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"network.unit.description",
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"") : env.getConfig(SwitchboardConstants.GREETING, "");
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final String client = header.get(HeaderFramework.CONNECTION_PROP_CLIENTIP); // the search client who initiated the search
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// get query
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final String originalquerystring =
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(post == null) ? "" : post.get("query", post.get("search", "")).trim();
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String querystring = originalquerystring.replace('+', ' ').replace('*', ' ').trim();
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CacheStrategy snippetFetchStrategy =
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(post == null) ? null : CacheStrategy.parse(post.get("verify", "cacheonly"));
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final servletProperties prop = new servletProperties();
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prop.put("topmenu", sb.getConfigBool("publicTopmenu", true) ? 1 : 0);
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//get focus option
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final boolean focus = (post == null) ? true : post.get("focus", "1").equals("1");
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prop.put("focus", focus ? 1 : 0);
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// produce vocabulary navigation sidebars
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Collection<Vocabulary> vocabularies = LibraryProvider.autotagging.getVocabularies();
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int j = 0;
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for (Vocabulary v: vocabularies) {
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prop.put("sidebarVocabulary_" + j + "_vocabulary", v.getName());
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j++;
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}
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prop.put("sidebarVocabulary", j);
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// get segment
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Segment indexSegment = null;
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if ( post != null && post.containsKey("segment") ) {
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final String segmentName = post.get("segment");
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if ( sb.indexSegments.segmentExist(segmentName) ) {
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indexSegment = sb.indexSegments.segment(segmentName);
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}
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} else {
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// take default segment
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indexSegment = sb.indexSegments.segment(Segments.Process.PUBLIC);
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}
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final String EXT = header.get("EXT", "");
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final boolean rss = EXT.equals("rss");
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final boolean json = EXT.equals("json");
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prop.put("promoteSearchPageGreeting", promoteSearchPageGreeting);
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prop.put(
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"promoteSearchPageGreeting.homepage",
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sb.getConfig(SwitchboardConstants.GREETING_HOMEPAGE, ""));
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prop.put(
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"promoteSearchPageGreeting.smallImage",
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sb.getConfig(SwitchboardConstants.GREETING_SMALL_IMAGE, ""));
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if ( post == null || indexSegment == null || env == null || !searchAllowed ) {
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// we create empty entries for template strings
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prop.put("searchagain", "0");
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prop.put("former", "");
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prop.put("count", "10");
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prop.put("offset", "0");
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prop.put("resource", "global");
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prop.put("urlmaskfilter", (post == null) ? ".*" : post.get("urlmaskfilter", ".*"));
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prop.put("prefermaskfilter", (post == null) ? "" : post.get("prefermaskfilter", ""));
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prop.put("tenant", (post == null) ? "" : post.get("tenant", ""));
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prop.put("indexof", "off");
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prop.put("constraint", "");
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prop.put("cat", "href");
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prop.put("depth", "0");
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prop.put(
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"search.verify",
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(post == null) ? sb.getConfig("search.verify", "iffresh") : post.get("verify", "iffresh"));
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prop.put(
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"search.navigation",
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(post == null) ? sb.getConfig("search.navigation", "all") : post.get("nav", "all"));
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prop.put("contentdom", "text");
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prop.put("contentdomCheckText", "1");
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prop.put("contentdomCheckAudio", "0");
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prop.put("contentdomCheckVideo", "0");
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prop.put("contentdomCheckImage", "0");
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prop.put("contentdomCheckApp", "0");
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prop.put("excluded", "0");
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prop.put("results", "");
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prop.put("resultTable", "0");
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prop.put("num-results", searchAllowed ? "0" : "4");
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prop.put("num-results_totalcount", 0);
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prop.put("num-results_offset", 0);
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prop.put("num-results_itemsPerPage", 10);
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prop.put("geoinfo", "0");
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prop.put("rss_queryenc", "");
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prop.put("meanCount", 5);
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return prop;
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}
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// check for JSONP
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if ( post.containsKey("callback") ) {
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final String jsonp = post.get("callback") + "([";
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prop.put("jsonp-start", jsonp);
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prop.put("jsonp-end", "])");
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} else {
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prop.put("jsonp-start", "");
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prop.put("jsonp-end", "");
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}
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// Adding CORS Access header for yacysearch.rss output
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if ( rss ) {
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final ResponseHeader outgoingHeader = new ResponseHeader();
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outgoingHeader.put(HeaderFramework.CORS_ALLOW_ORIGIN, "*");
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prop.setOutgoingHeader(outgoingHeader);
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}
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// collect search attributes
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int maximumRecords =
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Math.min(
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(authenticated)
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? (snippetFetchStrategy != null && snippetFetchStrategy.isAllowedToFetchOnline()
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? 100
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: 5000) : (snippetFetchStrategy != null
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&& snippetFetchStrategy.isAllowedToFetchOnline() ? 20 : 1000),
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post.getInt("maximumRecords", post.getInt("count", 10))); // SRU syntax with old property as alternative
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int startRecord = post.getInt("startRecord", post.getInt("offset", 0));
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boolean global = post.get("resource", "local").equals("global") && sb.peers.sizeConnected() > 0;
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final boolean indexof = (post != null && post.get("indexof", "").equals("on"));
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final String originalUrlMask;
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if ( post.containsKey("urlmaskfilter") ) {
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originalUrlMask = post.get("urlmaskfilter", ".*");
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} else {
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originalUrlMask = ".*";
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}
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String prefermask = (post == null) ? "" : post.get("prefermaskfilter", "");
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if ( !prefermask.isEmpty() && prefermask.indexOf(".*", 0) < 0 ) {
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prefermask = ".*" + prefermask + ".*";
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}
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Bitfield constraint =
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(post != null && post.containsKey("constraint") && !post.get("constraint", "").isEmpty())
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? new Bitfield(4, post.get("constraint", "______"))
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: null;
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if ( indexof ) {
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constraint = new Bitfield(4);
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constraint.set(Condenser.flag_cat_indexof, true);
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}
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// SEARCH
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final boolean clustersearch = sb.isRobinsonMode() && sb.getConfig(SwitchboardConstants.CLUSTER_MODE, "").equals(SwitchboardConstants.CLUSTER_MODE_PUBLIC_CLUSTER);
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final boolean indexReceiveGranted =
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sb.getConfigBool(SwitchboardConstants.INDEX_RECEIVE_ALLOW, true)
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|| sb.getConfigBool(SwitchboardConstants.INDEX_RECEIVE_AUTODISABLED, true)
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|| clustersearch;
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global = global && indexReceiveGranted; // if the user does not want indexes from remote peers, it cannot be a global searchnn
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final boolean intranetMode = sb.isIntranetMode() || sb.isAllIPMode();
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// increase search statistic counter
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if ( !global ) {
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// we count only searches on the local peer here, because global searches
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// are counted on the target peer to preserve privacy of the searcher
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if ( authenticated ) {
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// local or authenticated search requests are counted separately
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// because they are not part of a public available peer statistic
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sb.searchQueriesRobinsonFromLocal++;
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} else {
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// robinson-searches from non-authenticated requests are public
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// and may be part of the public available statistic
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sb.searchQueriesRobinsonFromRemote++;
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}
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}
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// find search domain
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final Classification.ContentDomain contentdom =
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ContentDomain.contentdomParser(post == null ? "all" : post.get("contentdom", "all"));
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// patch until better search profiles are available
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if ( contentdom == ContentDomain.TEXT ) {
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if ( maximumRecords > 50 && maximumRecords < 100 ) {
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maximumRecords = 10;
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}
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} else {
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if ( maximumRecords <= 32 ) {
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maximumRecords = 64;
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}
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}
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// check the search tracker
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TreeSet<Long> trackerHandles = sb.localSearchTracker.get(client);
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if ( trackerHandles == null ) {
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trackerHandles = new TreeSet<Long>();
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}
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boolean block = false;
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if ( Domains.matchesList(client, sb.networkBlacklist) ) {
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global = false;
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if ( snippetFetchStrategy != null ) {
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snippetFetchStrategy = null;
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}
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block = true;
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Log.logWarning("LOCAL_SEARCH", "ACCESS CONTROL: BLACKLISTED CLIENT FROM "
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+ client
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+ " gets no permission to search");
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} else if ( Domains.matchesList(client, sb.networkWhitelist) ) {
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Log.logInfo("LOCAL_SEARCH", "ACCESS CONTROL: WHITELISTED CLIENT FROM "
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+ client
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+ " gets no search restrictions");
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} else if ( !authenticated && !localhostAccess && !intranetMode ) {
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// in case that we do a global search or we want to fetch snippets, we check for DoS cases
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synchronized ( trackerHandles ) {
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final int accInThreeSeconds =
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trackerHandles.tailSet(Long.valueOf(System.currentTimeMillis() - 3000)).size();
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final int accInOneMinute =
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trackerHandles.tailSet(Long.valueOf(System.currentTimeMillis() - 60000)).size();
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final int accInTenMinutes =
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trackerHandles.tailSet(Long.valueOf(System.currentTimeMillis() - 600000)).size();
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// protections against too strong YaCy network load, reduces remote search
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if ( global ) {
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if ( accInTenMinutes >= 60 || accInOneMinute >= 6 || accInThreeSeconds >= 1 ) {
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global = false;
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Log.logWarning("LOCAL_SEARCH", "ACCESS CONTROL: CLIENT FROM "
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+ client
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+ ": "
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+ accInThreeSeconds
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+ "/3s, "
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+ accInOneMinute
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+ "/60s, "
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+ accInTenMinutes
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+ "/600s, "
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+ " requests, disallowed global search");
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}
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}
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// protection against too many remote server snippet loads (protects traffic on server)
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if ( snippetFetchStrategy != null && snippetFetchStrategy.isAllowedToFetchOnline() ) {
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if ( accInTenMinutes >= 20 || accInOneMinute >= 4 || accInThreeSeconds >= 1 ) {
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snippetFetchStrategy = CacheStrategy.CACHEONLY;
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Log.logWarning("LOCAL_SEARCH", "ACCESS CONTROL: CLIENT FROM "
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+ client
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+ ": "
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+ accInThreeSeconds
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+ "/3s, "
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+ accInOneMinute
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+ "/60s, "
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+ accInTenMinutes
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+ "/600s, "
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+ " requests, disallowed remote snippet loading");
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}
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}
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// general load protection
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if ( accInTenMinutes >= 3000 || accInOneMinute >= 600 || accInThreeSeconds >= 60 ) {
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block = true;
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Log.logWarning("LOCAL_SEARCH", "ACCESS CONTROL: CLIENT FROM "
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+ client
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+ ": "
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+ accInThreeSeconds
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+ "/3s, "
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+ accInOneMinute
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+ "/60s, "
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+ accInTenMinutes
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+ "/600s, "
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+ " requests, disallowed search");
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}
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}
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}
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if ( !block && (post == null || post.get("cat", "href").equals("href")) ) {
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String urlmask = null;
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// check available memory and clean up if necessary
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if ( !MemoryControl.request(8000000L, false) ) {
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indexSegment.urlMetadata().clearCache();
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SearchEventCache.cleanupEvents(true);
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}
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final RankingProfile ranking = sb.getRanking();
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final StringBuilder modifier = new StringBuilder(20);
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if ( querystring.indexOf("/near", 0) >= 0 ) {
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querystring = querystring.replace("/near", "");
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ranking.coeff_worddistance = RankingProfile.COEFF_MAX;
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modifier.append("/near ");
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}
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if ( querystring.indexOf("/date", 0) >= 0 ) {
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querystring = querystring.replace("/date", "");
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ranking.coeff_date = RankingProfile.COEFF_MAX;
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modifier.append("/date ");
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}
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if ( querystring.indexOf("/http", 0) >= 0 ) {
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querystring = querystring.replace("/http", "");
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urlmask = "https?://.*";
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modifier.append("/http ");
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}
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if ( querystring.indexOf("/https", 0) >= 0 ) {
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querystring = querystring.replace("/https", "");
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urlmask = "https?://.*";
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modifier.append("/https ");
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}
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if ( querystring.indexOf("/ftp", 0) >= 0 ) {
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querystring = querystring.replace("/ftp", "");
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urlmask = "ftp://.*";
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modifier.append("/ftp ");
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}
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if ( querystring.indexOf("/smb", 0) >= 0 ) {
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querystring = querystring.replace("/smb", "");
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urlmask = "smb://.*";
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modifier.append("/smb ");
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}
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if ( querystring.indexOf("/file", 0) >= 0 ) {
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querystring = querystring.replace("/file", "");
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urlmask = "file://.*";
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modifier.append("/file ");
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}
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if ( querystring.indexOf("/location", 0) >= 0 ) {
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querystring = querystring.replace("/location", "");
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if ( constraint == null ) {
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constraint = new Bitfield(4);
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}
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constraint.set(Condenser.flag_cat_haslocation, true);
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modifier.append("/location ");
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}
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final int lrp = querystring.indexOf("/language/", 0);
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String language = "";
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if ( lrp >= 0 ) {
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if ( querystring.length() >= (lrp + 12) ) {
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language = querystring.substring(lrp + 10, lrp + 12);
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}
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querystring = querystring.replace("/language/" + language, "");
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language = language.toLowerCase();
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modifier.append("/language/").append(language).append(' ');
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}
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final int inurl = querystring.indexOf("inurl:", 0);
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if ( inurl >= 0 ) {
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int ftb = querystring.indexOf(' ', inurl);
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if ( ftb == -1 ) {
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ftb = querystring.length();
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}
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final String urlstr = querystring.substring(inurl + 6, ftb);
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querystring = querystring.replace("inurl:" + urlstr, "");
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if ( !urlstr.isEmpty() ) {
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urlmask = urlmask == null ? ".*" + urlstr + ".*" : urlmask + urlstr + ".*";
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}
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modifier.append("inurl:").append(urlstr).append(' ');
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}
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final int filetype = querystring.indexOf("filetype:", 0);
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if ( filetype >= 0 ) {
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int ftb = querystring.indexOf(' ', filetype);
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if ( ftb == -1 ) {
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ftb = querystring.length();
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}
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String ft = querystring.substring(filetype + 9, ftb);
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|
querystring = querystring.replace("filetype:" + ft, "");
|
|
while ( !ft.isEmpty() && ft.charAt(0) == '.' ) {
|
|
ft = ft.substring(1);
|
|
}
|
|
if ( !ft.isEmpty() ) {
|
|
if ( urlmask == null ) {
|
|
urlmask = ".*\\." + ft;
|
|
} else {
|
|
urlmask = urlmask + ".*\\." + ft;
|
|
}
|
|
}
|
|
modifier.append("filetype:").append(ft).append(' ');
|
|
}
|
|
|
|
int voc = 0;
|
|
Collection<Metatag> metatags = new ArrayList<Metatag>(1);
|
|
while ((voc = querystring.indexOf("/vocabulary/", 0)) >= 0) {
|
|
String vocabulary = "";
|
|
int ve = querystring.indexOf(' ', voc + 12);
|
|
if (ve < 0) {
|
|
vocabulary = querystring.substring(voc);
|
|
querystring = querystring.substring(0, voc).trim();
|
|
} else {
|
|
vocabulary = querystring.substring(voc, ve);
|
|
querystring = querystring.substring(0, voc) + querystring.substring(ve);
|
|
}
|
|
modifier.append(vocabulary).append(' ');
|
|
vocabulary = vocabulary.substring(12);
|
|
int p = vocabulary.indexOf('/');
|
|
if (p > 0) {
|
|
String k = vocabulary.substring(0, p);
|
|
String v = vocabulary.substring(p + 1);
|
|
metatags.add(LibraryProvider.autotagging.metatag(LibraryProvider.autotagging.prefixChar + k + ":" + v));
|
|
}
|
|
}
|
|
|
|
String tenant = null;
|
|
if ( post.containsKey("tenant") ) {
|
|
tenant = post.get("tenant");
|
|
if ( tenant != null && tenant.isEmpty() ) {
|
|
tenant = null;
|
|
}
|
|
if ( tenant != null ) {
|
|
if ( urlmask == null ) {
|
|
urlmask = ".*" + tenant + ".*";
|
|
} else {
|
|
urlmask = ".*" + tenant + urlmask;
|
|
}
|
|
}
|
|
}
|
|
|
|
final int site = querystring.indexOf("site:", 0);
|
|
String sitehash = null;
|
|
String sitehost = null;
|
|
if ( site >= 0 ) {
|
|
int ftb = querystring.indexOf(' ', site);
|
|
if ( ftb == -1 ) {
|
|
ftb = querystring.length();
|
|
}
|
|
sitehost = querystring.substring(site + 5, ftb);
|
|
querystring = querystring.replace("site:" + sitehost, "");
|
|
while ( sitehost.length() > 0 && sitehost.charAt(0) == '.' ) {
|
|
sitehost = sitehost.substring(1);
|
|
}
|
|
while ( sitehost.endsWith(".") ) {
|
|
sitehost = sitehost.substring(0, sitehost.length() - 1);
|
|
}
|
|
sitehash = DigestURI.hosthash(sitehost);
|
|
modifier.append("site:").append(sitehost).append(' ');
|
|
}
|
|
|
|
final int heuristicBlekko = querystring.indexOf("/heuristic/blekko", 0);
|
|
if ( heuristicBlekko >= 0 ) {
|
|
querystring = querystring.replace("/heuristic/blekko", "");
|
|
modifier.append("/heuristic/blekko ");
|
|
}
|
|
|
|
final int authori = querystring.indexOf("author:", 0);
|
|
String authorhash = null;
|
|
if ( authori >= 0 ) {
|
|
// check if the author was given with single quotes or without
|
|
final boolean quotes = (querystring.charAt(authori + 7) == '(');
|
|
String author;
|
|
if ( quotes ) {
|
|
int ftb = querystring.indexOf(')', authori + 8);
|
|
if ( ftb == -1 ) {
|
|
ftb = querystring.length() + 1;
|
|
}
|
|
author = querystring.substring(authori + 8, ftb);
|
|
querystring = querystring.replace("author:(" + author + ")", "");
|
|
modifier.append("author:(").append(author).append(") ");
|
|
} else {
|
|
int ftb = querystring.indexOf(' ', authori);
|
|
if ( ftb == -1 ) {
|
|
ftb = querystring.length();
|
|
}
|
|
author = querystring.substring(authori + 7, ftb);
|
|
querystring = querystring.replace("author:" + author, "");
|
|
modifier.append("author:").append(author).append(' ');
|
|
}
|
|
authorhash = ASCII.String(Word.word2hash(author));
|
|
}
|
|
|
|
final int tld = querystring.indexOf("tld:", 0);
|
|
if ( tld >= 0 ) {
|
|
int ftb = querystring.indexOf(' ', tld);
|
|
if ( ftb == -1 ) {
|
|
ftb = querystring.length();
|
|
}
|
|
String domain = querystring.substring(tld + 4, ftb);
|
|
querystring = querystring.replace("tld:" + domain, "");
|
|
modifier.append("tld:").append(domain).append(' ');
|
|
while ( domain.length() > 0 && domain.charAt(0) == '.' ) {
|
|
domain = domain.substring(1);
|
|
}
|
|
if ( domain.indexOf('.', 0) < 0 ) {
|
|
domain = "\\." + domain;
|
|
} // is tld
|
|
if ( domain.length() > 0 ) {
|
|
urlmask = "[a-zA-Z]*://[^/]*" + domain + "/.*" + ((urlmask != null) ? urlmask : "");
|
|
}
|
|
}
|
|
if ( urlmask == null || urlmask.isEmpty() ) {
|
|
urlmask = originalUrlMask;
|
|
} //if no urlmask was given
|
|
|
|
// read the language from the language-restrict option 'lr'
|
|
// if no one is given, use the user agent or the system language as default
|
|
language = (post == null) ? language : post.get("lr", language);
|
|
if ( language.startsWith("lang_") ) {
|
|
language = language.substring(5);
|
|
}
|
|
if ( !ISO639.exists(language) ) {
|
|
// find out language of the user by reading of the user-agent string
|
|
String agent = header.get(HeaderFramework.ACCEPT_LANGUAGE);
|
|
if ( agent == null ) {
|
|
agent = System.getProperty("user.language");
|
|
}
|
|
language = (agent == null) ? "en" : ISO639.userAgentLanguageDetection(agent);
|
|
if ( language == null ) {
|
|
language = "en";
|
|
}
|
|
}
|
|
|
|
// navigation
|
|
final String navigation =
|
|
(post == null) ? sb.getConfig("search.navigation", "all") : post.get("nav", "");
|
|
|
|
// the query
|
|
final Collection<String>[] query = QueryParams.cleanQuery(querystring.trim()); // converts also umlaute
|
|
|
|
final int maxDistance = (querystring.indexOf('"', 0) >= 0) ? query.length - 1 : Integer.MAX_VALUE;
|
|
|
|
// filter out stopwords
|
|
final SortedSet<String> filtered = SetTools.joinConstructiveByTest(query[0], Switchboard.stopwords);
|
|
if ( !filtered.isEmpty() ) {
|
|
SetTools.excludeDestructiveByTestSmallInLarge(query[0], Switchboard.stopwords);
|
|
}
|
|
|
|
// if a minus-button was hit, remove a special reference first
|
|
if ( post != null && post.containsKey("deleteref") ) {
|
|
try {
|
|
if ( !sb.verifyAuthentication(header) ) {
|
|
prop.put("AUTHENTICATE", "admin log-in"); // force log-in
|
|
return prop;
|
|
}
|
|
|
|
// delete the index entry locally
|
|
final String delHash = post.get("deleteref", ""); // urlhash
|
|
indexSegment.termIndex().remove(Word.words2hashesHandles(query[0]), delHash.getBytes());
|
|
|
|
// make new news message with negative voting
|
|
if ( !sb.isRobinsonMode() ) {
|
|
final Map<String, String> map = new HashMap<String, String>();
|
|
map.put("urlhash", delHash);
|
|
map.put("vote", "negative");
|
|
map.put("refid", "");
|
|
sb.peers.newsPool.publishMyNews(
|
|
sb.peers.mySeed(),
|
|
NewsPool.CATEGORY_SURFTIPP_VOTE_ADD,
|
|
map);
|
|
}
|
|
|
|
// delete the search history since this still shows the entry
|
|
SearchEventCache.delete(delHash);
|
|
} catch ( final IOException e ) {
|
|
Log.logException(e);
|
|
}
|
|
}
|
|
|
|
// if a plus-button was hit, create new voting message
|
|
if ( post != null && post.containsKey("recommendref") ) {
|
|
if ( !sb.verifyAuthentication(header) ) {
|
|
prop.put("AUTHENTICATE", "admin log-in"); // force log-in
|
|
return prop;
|
|
}
|
|
final String recommendHash = post.get("recommendref", ""); // urlhash
|
|
final URIMetadataRow urlentry = indexSegment.urlMetadata().load(UTF8.getBytes(recommendHash));
|
|
if ( urlentry != null ) {
|
|
Document[] documents = null;
|
|
try {
|
|
documents =
|
|
sb.loader.loadDocuments(
|
|
sb.loader.request(urlentry.url(), true, false),
|
|
CacheStrategy.IFEXIST,
|
|
5000,
|
|
Integer.MAX_VALUE);
|
|
} catch ( final IOException e ) {
|
|
} catch ( final Parser.Failure e ) {
|
|
}
|
|
if ( documents != null ) {
|
|
// create a news message
|
|
final Map<String, String> map = new HashMap<String, String>();
|
|
map.put("url", urlentry.url().toNormalform(false, true).replace(',', '|'));
|
|
map.put("title", urlentry.dc_title().replace(',', ' '));
|
|
map.put("description", documents[0].dc_title().replace(',', ' '));
|
|
map.put("author", documents[0].dc_creator());
|
|
map.put("tags", documents[0].dc_subject(' '));
|
|
sb.peers.newsPool.publishMyNews(
|
|
sb.peers.mySeed(),
|
|
NewsPool.CATEGORY_SURFTIPP_ADD,
|
|
map);
|
|
documents[0].close();
|
|
}
|
|
}
|
|
}
|
|
|
|
// if a bookmarks-button was hit, create new bookmark entry
|
|
if ( post != null && post.containsKey("bookmarkref") ) {
|
|
if ( !sb.verifyAuthentication(header) ) {
|
|
prop.put("AUTHENTICATE", "admin log-in"); // force log-in
|
|
return prop;
|
|
}
|
|
final String bookmarkHash = post.get("bookmarkref", ""); // urlhash
|
|
final URIMetadataRow urlentry = indexSegment.urlMetadata().load(UTF8.getBytes(bookmarkHash));
|
|
if ( urlentry != null ) {
|
|
try {
|
|
sb.tables.bookmarks.createBookmark(
|
|
sb.loader,
|
|
urlentry.url(),
|
|
YMarkTables.USER_ADMIN,
|
|
true,
|
|
"searchresult",
|
|
"/search");
|
|
} catch ( final Throwable e ) {
|
|
}
|
|
}
|
|
}
|
|
|
|
// do the search
|
|
final HandleSet queryHashes = Word.words2hashesHandles(query[0]);
|
|
final Pattern snippetPattern = QueryParams.stringSearchPattern(originalquerystring);
|
|
|
|
// check filters
|
|
try {
|
|
Pattern.compile(urlmask);
|
|
} catch ( final PatternSyntaxException ex ) {
|
|
Log.logWarning("SEARCH", "Illegal URL mask, not a valid regex: " + urlmask);
|
|
prop.put("urlmaskerror", 1);
|
|
prop.putHTML("urlmaskerror_urlmask", urlmask);
|
|
urlmask = ".*";
|
|
}
|
|
|
|
try {
|
|
Pattern.compile(prefermask);
|
|
} catch ( final PatternSyntaxException ex ) {
|
|
Log.logWarning("SEARCH", "Illegal prefer mask, not a valid regex: " + prefermask);
|
|
prop.put("prefermaskerror", 1);
|
|
prop.putHTML("prefermaskerror_prefermask", prefermask);
|
|
prefermask = "";
|
|
}
|
|
|
|
final QueryParams theQuery =
|
|
new QueryParams(
|
|
originalquerystring,
|
|
queryHashes,
|
|
Word.words2hashesHandles(query[1]),
|
|
Word.words2hashesHandles(query[2]),
|
|
snippetPattern,
|
|
tenant,
|
|
modifier.toString().trim(),
|
|
maxDistance,
|
|
prefermask,
|
|
contentdom,
|
|
language,
|
|
metatags,
|
|
navigation,
|
|
snippetFetchStrategy,
|
|
maximumRecords,
|
|
startRecord,
|
|
urlmask,
|
|
clustersearch && global ? QueryParams.Searchdom.CLUSTER : (global && indexReceiveGranted
|
|
? QueryParams.Searchdom.GLOBAL
|
|
: QueryParams.Searchdom.LOCAL),
|
|
20,
|
|
constraint,
|
|
true,
|
|
sitehash,
|
|
DigestURI.hosthashess(sb.getConfig("search.excludehosth", "")),
|
|
authorhash,
|
|
DigestURI.TLD_any_zone_filter,
|
|
client,
|
|
authenticated,
|
|
indexSegment,
|
|
ranking,
|
|
header.get(RequestHeader.USER_AGENT, ""),
|
|
sb.getConfigBool(SwitchboardConstants.SEARCH_VERIFY_DELETE, false)
|
|
&& sb.getConfigBool(SwitchboardConstants.NETWORK_SEARCHVERIFY, false)
|
|
&& sb.peers.mySeed().getFlagAcceptRemoteIndex());
|
|
EventTracker.delete(EventTracker.EClass.SEARCH);
|
|
EventTracker.update(EventTracker.EClass.SEARCH, new ProfilingGraph.EventSearch(
|
|
theQuery.id(true),
|
|
SearchEvent.Type.INITIALIZATION,
|
|
"",
|
|
0,
|
|
0), false);
|
|
|
|
// tell all threads to do nothing for a specific time
|
|
sb.intermissionAllThreads(3000);
|
|
|
|
// filter out words that appear in bluelist
|
|
theQuery.filterOut(Switchboard.blueList);
|
|
|
|
// log
|
|
Log.logInfo(
|
|
"LOCAL_SEARCH",
|
|
"INIT WORD SEARCH: "
|
|
+ theQuery.queryString
|
|
+ ":"
|
|
+ QueryParams.hashSet2hashString(theQuery.queryHashes)
|
|
+ " - "
|
|
+ theQuery.neededResults()
|
|
+ " links to be computed, "
|
|
+ theQuery.displayResults()
|
|
+ " lines to be displayed");
|
|
EventChannel.channels(EventChannel.LOCALSEARCH).addMessage(
|
|
new RSSMessage("Local Search Request", theQuery.queryString, ""));
|
|
final long timestamp = System.currentTimeMillis();
|
|
|
|
// create a new search event
|
|
if ( SearchEventCache.getEvent(theQuery.id(false)) == null ) {
|
|
theQuery.setOffset(0); // in case that this is a new search, always start without a offset
|
|
startRecord = 0;
|
|
}
|
|
final SearchEvent theSearch =
|
|
SearchEventCache.getEvent(
|
|
theQuery,
|
|
sb.peers,
|
|
sb.tables,
|
|
(sb.isRobinsonMode()) ? sb.clusterhashes : null,
|
|
false,
|
|
sb.loader,
|
|
(int) sb.getConfigLong(
|
|
SwitchboardConstants.REMOTESEARCH_MAXCOUNT_USER,
|
|
sb.getConfigLong(SwitchboardConstants.REMOTESEARCH_MAXCOUNT_DEFAULT, 10)),
|
|
sb.getConfigLong(
|
|
SwitchboardConstants.REMOTESEARCH_MAXTIME_USER,
|
|
sb.getConfigLong(SwitchboardConstants.REMOTESEARCH_MAXTIME_DEFAULT, 3000)),
|
|
(int) sb.getConfigLong(SwitchboardConstants.DHT_BURST_ROBINSON, 0),
|
|
(int) sb.getConfigLong(SwitchboardConstants.DHT_BURST_MULTIWORD, 0));
|
|
|
|
if ( startRecord == 0 ) {
|
|
if ( sitehost != null && sb.getConfigBool("heuristic.site", false) && authenticated ) {
|
|
sb.heuristicSite(theSearch, sitehost);
|
|
}
|
|
if ( (heuristicScroogle >= 0 || sb.getConfigBool("heuristic.scroogle", false))
|
|
&& authenticated ) {
|
|
sb.heuristicScroogle(theSearch);
|
|
}
|
|
if ( (heuristicBlekko >= 0 || sb.getConfigBool("heuristic.blekko", false)) && authenticated ) {
|
|
sb.heuristicRSS("http://blekko.com/ws/$+/rss", theSearch, "blekko");
|
|
}
|
|
}
|
|
|
|
// log
|
|
Log.logInfo("LOCAL_SEARCH", "EXIT WORD SEARCH: "
|
|
+ theQuery.queryString
|
|
+ " - "
|
|
+ "local-unfiltered("
|
|
+ theSearch.getRankingResult().getLocalIndexCount()
|
|
+ "), "
|
|
+ "local_miss("
|
|
+ theSearch.getRankingResult().getMissCount()
|
|
+ "), "
|
|
+ "local_sortout("
|
|
+ theSearch.getRankingResult().getSortOutCount()
|
|
+ "), "
|
|
+ "remote("
|
|
+ theSearch.getRankingResult().getRemoteResourceSize()
|
|
+ ") links found, "
|
|
+ (System.currentTimeMillis() - timestamp)
|
|
+ " ms");
|
|
|
|
// prepare search statistics
|
|
theQuery.resultcount =
|
|
theSearch.getRankingResult().getLocalIndexCount()
|
|
- theSearch.getRankingResult().getMissCount()
|
|
- theSearch.getRankingResult().getSortOutCount()
|
|
+ theSearch.getRankingResult().getRemoteIndexCount();
|
|
theQuery.searchtime = System.currentTimeMillis() - timestamp;
|
|
theQuery.urlretrievaltime = theSearch.result().getURLRetrievalTime();
|
|
theQuery.snippetcomputationtime = theSearch.result().getSnippetComputationTime();
|
|
AccessTracker.add(AccessTracker.Location.local, theQuery);
|
|
|
|
// check suggestions
|
|
final int meanMax = (post != null) ? post.getInt("meanCount", 0) : 0;
|
|
|
|
prop.put("meanCount", meanMax);
|
|
if ( meanMax > 0 && !json && !rss ) {
|
|
final DidYouMean didYouMean =
|
|
new DidYouMean(indexSegment.termIndex(), new StringBuilder(querystring));
|
|
final Iterator<StringBuilder> meanIt = didYouMean.getSuggestions(100, 5).iterator();
|
|
int meanCount = 0;
|
|
String suggestion;
|
|
while ( meanCount < meanMax && meanIt.hasNext() ) {
|
|
suggestion = meanIt.next().toString();
|
|
prop.put("didYouMean_suggestions_" + meanCount + "_word", suggestion);
|
|
prop.put(
|
|
"didYouMean_suggestions_" + meanCount + "_url",
|
|
QueryParams.navurl(
|
|
"html",
|
|
0,
|
|
theQuery,
|
|
suggestion,
|
|
originalUrlMask.toString(),
|
|
theQuery.navigators).toString());
|
|
prop.put("didYouMean_suggestions_" + meanCount + "_sep", "|");
|
|
meanCount++;
|
|
}
|
|
prop.put("didYouMean_suggestions_" + (meanCount - 1) + "_sep", "");
|
|
prop.put("didYouMean", meanCount > 0 ? 1 : 0);
|
|
prop.put("didYouMean_suggestions", meanCount);
|
|
} else {
|
|
prop.put("didYouMean", 0);
|
|
}
|
|
|
|
// find geographic info
|
|
final SortedSet<Location> coordinates = LibraryProvider.geoLoc.find(originalquerystring, false);
|
|
if ( coordinates == null || coordinates.isEmpty() || startRecord > 0 ) {
|
|
prop.put("geoinfo", "0");
|
|
} else {
|
|
int i = 0;
|
|
for ( final Location c : coordinates ) {
|
|
prop.put("geoinfo_loc_" + i + "_lon", Math.round(c.lon() * 10000.0f) / 10000.0f);
|
|
prop.put("geoinfo_loc_" + i + "_lat", Math.round(c.lat() * 10000.0f) / 10000.0f);
|
|
prop.put("geoinfo_loc_" + i + "_name", c.getName());
|
|
i++;
|
|
if ( i >= 10 ) {
|
|
break;
|
|
}
|
|
}
|
|
prop.put("geoinfo_loc", i);
|
|
prop.put("geoinfo", "1");
|
|
}
|
|
|
|
// update the search tracker
|
|
try {
|
|
synchronized ( trackerHandles ) {
|
|
trackerHandles.add(theQuery.time);
|
|
while ( trackerHandles.size() > 600 ) {
|
|
if ( !trackerHandles.remove(trackerHandles.first()) ) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
sb.localSearchTracker.put(client, trackerHandles);
|
|
if ( sb.localSearchTracker.size() > 100 ) {
|
|
sb.localSearchTracker.remove(sb.localSearchTracker.keys().nextElement());
|
|
}
|
|
if ( MemoryControl.shortStatus() ) {
|
|
sb.localSearchTracker.clear();
|
|
}
|
|
} catch ( final Exception e ) {
|
|
Log.logException(e);
|
|
}
|
|
|
|
final int indexcount =
|
|
theSearch.getRankingResult().getLocalIndexCount()
|
|
- theSearch.getRankingResult().getMissCount()
|
|
- theSearch.getRankingResult().getSortOutCount()
|
|
+ theSearch.getRankingResult().getRemoteIndexCount();
|
|
prop.put("num-results_offset", startRecord == 0 ? 0 : startRecord + 1);
|
|
prop.put("num-results_itemscount", Formatter.number(
|
|
startRecord + theSearch.getQuery().itemsPerPage > indexcount ? startRecord
|
|
+ indexcount
|
|
% theSearch.getQuery().itemsPerPage : startRecord + theSearch.getQuery().itemsPerPage,
|
|
true));
|
|
prop.put("num-results_itemsPerPage", maximumRecords);
|
|
prop.put("num-results_totalcount", Formatter.number(indexcount, true));
|
|
prop.put("num-results_globalresults", global && (indexReceiveGranted || clustersearch)
|
|
? "1"
|
|
: "0");
|
|
prop.put(
|
|
"num-results_globalresults_localResourceSize",
|
|
Formatter.number(theSearch.getRankingResult().getLocalIndexCount(), true));
|
|
prop.put(
|
|
"num-results_globalresults_localMissCount",
|
|
Formatter.number(theSearch.getRankingResult().getMissCount(), true));
|
|
prop.put(
|
|
"num-results_globalresults_remoteResourceSize",
|
|
Formatter.number(theSearch.getRankingResult().getRemoteResourceSize(), true));
|
|
prop.put(
|
|
"num-results_globalresults_remoteIndexCount",
|
|
Formatter.number(theSearch.getRankingResult().getRemoteIndexCount(), true));
|
|
prop.put(
|
|
"num-results_globalresults_remotePeerCount",
|
|
Formatter.number(theSearch.getRankingResult().getRemotePeerCount(), true));
|
|
|
|
// compose page navigation
|
|
final StringBuilder resnav = new StringBuilder(200);
|
|
final int thispage = startRecord / theQuery.displayResults();
|
|
if ( thispage == 0 ) {
|
|
resnav
|
|
.append("<img src=\"env/grafics/navdl.gif\" alt=\"arrowleft\" width=\"16\" height=\"16\" /> ");
|
|
} else {
|
|
resnav.append("<a id=\"prevpage\" href=\"");
|
|
resnav.append(QueryParams.navurl(
|
|
"html",
|
|
thispage - 1,
|
|
theQuery,
|
|
null,
|
|
originalUrlMask,
|
|
navigation).toString());
|
|
resnav
|
|
.append("\"><img src=\"env/grafics/navdl.gif\" alt=\"arrowleft\" width=\"16\" height=\"16\" /></a> ");
|
|
}
|
|
final int numberofpages = Math.min(10, 1 + ((indexcount - 1) / theQuery.displayResults()));
|
|
|
|
for ( int i = 0; i < numberofpages; i++ ) {
|
|
if ( i == thispage ) {
|
|
resnav.append("<img src=\"env/grafics/navs");
|
|
resnav.append(i + 1);
|
|
resnav.append(".gif\" alt=\"page");
|
|
resnav.append(i + 1);
|
|
resnav.append("\" width=\"16\" height=\"16\" /> ");
|
|
} else {
|
|
resnav.append("<a href=\"");
|
|
resnav.append(QueryParams
|
|
.navurl("html", i, theQuery, null, originalUrlMask, navigation)
|
|
.toString());
|
|
resnav.append("\"><img src=\"env/grafics/navd");
|
|
resnav.append(i + 1);
|
|
resnav.append(".gif\" alt=\"page");
|
|
resnav.append(i + 1);
|
|
resnav.append("\" width=\"16\" height=\"16\" /></a> ");
|
|
}
|
|
}
|
|
if ( thispage >= numberofpages ) {
|
|
resnav
|
|
.append("<img src=\"env/grafics/navdr.gif\" alt=\"arrowright\" width=\"16\" height=\"16\" />");
|
|
} else {
|
|
resnav.append("<a id=\"nextpage\" href=\"");
|
|
resnav.append(QueryParams.navurl(
|
|
"html",
|
|
thispage + 1,
|
|
theQuery,
|
|
null,
|
|
originalUrlMask,
|
|
navigation).toString());
|
|
resnav
|
|
.append("\"><img src=\"env/grafics/navdr.gif\" alt=\"arrowright\" width=\"16\" height=\"16\" /></a>");
|
|
}
|
|
final String resnavs = resnav.toString();
|
|
prop.put("num-results_resnav", resnavs);
|
|
prop.put("pageNavBottom", (indexcount - startRecord > 6) ? 1 : 0); // if there are more results than may fit on the page we add a navigation at the bottom
|
|
prop.put("pageNavBottom_resnav", resnavs);
|
|
|
|
// generate the search result lines; the content will be produced by another servlet
|
|
for ( int i = 0; i < theQuery.displayResults(); i++ ) {
|
|
prop.put("results_" + i + "_item", startRecord + i);
|
|
prop.put("results_" + i + "_eventID", theQuery.id(false));
|
|
}
|
|
prop.put("results", theQuery.displayResults());
|
|
prop
|
|
.put(
|
|
"resultTable",
|
|
(contentdom == ContentDomain.APP || contentdom == ContentDomain.AUDIO || contentdom == ContentDomain.VIDEO)
|
|
? 1
|
|
: 0);
|
|
prop.put("eventID", theQuery.id(false)); // for bottomline
|
|
|
|
// process result of search
|
|
if ( !filtered.isEmpty() ) {
|
|
prop.put("excluded", "1");
|
|
prop.putHTML("excluded_stopwords", filtered.toString());
|
|
} else {
|
|
prop.put("excluded", "0");
|
|
}
|
|
|
|
if ( prop == null || prop.isEmpty() ) {
|
|
if ( post.get("query", post.get("search", "")).length() < 2 ) {
|
|
prop.put("num-results", "2"); // no results - at least 2 chars
|
|
} else {
|
|
prop.put("num-results", "1"); // no results
|
|
}
|
|
} else {
|
|
prop.put("num-results", "3");
|
|
}
|
|
|
|
prop.put("cat", "href");
|
|
prop.put("depth", "0");
|
|
|
|
// adding some additional properties needed for the rss feed
|
|
String hostName = header.get("Host", "localhost");
|
|
if ( hostName.indexOf(':', 0) == -1 ) {
|
|
hostName += ":" + serverCore.getPortNr(env.getConfig("port", "8090"));
|
|
}
|
|
prop.put("searchBaseURL", "http://" + hostName + "/yacysearch.html");
|
|
prop.put("rssYacyImageURL", "http://" + hostName + "/env/grafics/yacy.gif");
|
|
}
|
|
|
|
prop.put("searchagain", global ? "1" : "0");
|
|
prop.putHTML("former", originalquerystring);
|
|
prop.put("count", maximumRecords);
|
|
prop.put("offset", startRecord);
|
|
prop.put("resource", global ? "global" : "local");
|
|
prop.putHTML("urlmaskfilter", originalUrlMask);
|
|
prop.putHTML("prefermaskfilter", prefermask);
|
|
prop.put("indexof", (indexof) ? "on" : "off");
|
|
prop.put("constraint", (constraint == null) ? "" : constraint.exportB64());
|
|
prop.put("search.verify", snippetFetchStrategy == null
|
|
? sb.getConfig("search.verify", "iffresh")
|
|
: snippetFetchStrategy.toName());
|
|
prop.put(
|
|
"search.navigation",
|
|
(post == null) ? sb.getConfig("search.navigation", "all") : post.get("nav", "all"));
|
|
prop.put("contentdom", (post == null ? "text" : post.get("contentdom", "text")));
|
|
prop.put(
|
|
"searchdomswitches",
|
|
sb.getConfigBool("search.text", true)
|
|
|| sb.getConfigBool("search.audio", true)
|
|
|| sb.getConfigBool("search.video", true)
|
|
|| sb.getConfigBool("search.image", true)
|
|
|| sb.getConfigBool("search.app", true) ? 1 : 0);
|
|
prop.put("searchdomswitches_searchtext", sb.getConfigBool("search.text", true) ? 1 : 0);
|
|
prop.put("searchdomswitches_searchaudio", sb.getConfigBool("search.audio", true) ? 1 : 0);
|
|
prop.put("searchdomswitches_searchvideo", sb.getConfigBool("search.video", true) ? 1 : 0);
|
|
prop.put("searchdomswitches_searchimage", sb.getConfigBool("search.image", true) ? 1 : 0);
|
|
prop.put("searchdomswitches_searchapp", sb.getConfigBool("search.app", true) ? 1 : 0);
|
|
prop.put("searchdomswitches_searchtext_check", (contentdom == ContentDomain.TEXT) ? "1" : "0");
|
|
prop.put("searchdomswitches_searchaudio_check", (contentdom == ContentDomain.AUDIO) ? "1" : "0");
|
|
prop.put("searchdomswitches_searchvideo_check", (contentdom == ContentDomain.VIDEO) ? "1" : "0");
|
|
prop.put("searchdomswitches_searchimage_check", (contentdom == ContentDomain.IMAGE) ? "1" : "0");
|
|
prop.put("searchdomswitches_searchapp_check", (contentdom == ContentDomain.APP) ? "1" : "0");
|
|
|
|
// copy properties for "more options" link
|
|
prop.put("searchdomswitches_count", prop.get("count"));
|
|
prop.put("searchdomswitches_urlmaskfilter", prop.get("urlmaskfilter"));
|
|
prop.put("searchdomswitches_prefermaskfilter", prop.get("prefermaskfilter"));
|
|
prop.put("searchdomswitches_cat", prop.get("cat"));
|
|
prop.put("searchdomswitches_constraint", prop.get("constraint"));
|
|
prop.put("searchdomswitches_contentdom", prop.get("contentdom"));
|
|
prop.put("searchdomswitches_former", prop.get("former"));
|
|
prop.put("searchdomswitches_meanCount", prop.get("meanCount"));
|
|
|
|
// for RSS: don't HTML encode some elements
|
|
prop.putXML("rss_query", originalquerystring);
|
|
prop.putXML("rss_queryenc", originalquerystring.replace(' ', '+'));
|
|
|
|
sb.localSearchLastAccess = System.currentTimeMillis();
|
|
|
|
// return rewrite properties
|
|
return prop;
|
|
}
|
|
}
|