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975 lines
47 KiB
975 lines
47 KiB
// 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.net.InetAddress;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.ConcurrentModificationException;
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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.analysis.Classification;
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import net.yacy.cora.document.analysis.Classification.ContentDomain;
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import net.yacy.cora.document.encoding.UTF8;
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import net.yacy.cora.document.feed.RSSMessage;
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import net.yacy.cora.document.id.DigestURL;
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import net.yacy.cora.document.id.MultiProtocolURL;
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import net.yacy.cora.federate.opensearch.OpenSearchConnector;
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import net.yacy.cora.federate.yacy.CacheStrategy;
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import net.yacy.cora.geo.GeoLocation;
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import net.yacy.cora.lod.vocabulary.Tagging;
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import net.yacy.cora.protocol.ClientIdentification;
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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.util.ConcurrentLog;
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import net.yacy.data.DidYouMean;
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import net.yacy.data.UserDB;
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import net.yacy.data.ymark.YMarkTables;
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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.kelondro.data.meta.URIMetadataNode;
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import net.yacy.kelondro.util.Bitfield;
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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.repository.Blacklist.BlacklistType;
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import net.yacy.search.EventTracker;
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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.query.AccessTracker;
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import net.yacy.search.query.QueryGoal;
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import net.yacy.search.query.QueryModifier;
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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.query.SearchEventType;
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import net.yacy.search.ranking.RankingProfile;
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import net.yacy.server.serverObjects;
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import net.yacy.server.serverSwitch;
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import net.yacy.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 authorized = sb.verifyAuthentication(header);
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final boolean searchAllowed = sb.getConfigBool("publicSearchpage", true) || authorized;
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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 = header.accessFromLocalhost();
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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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// in case that the crawler is running and the search user is the peer admin, we expect that the user wants to check recently crawled document
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// to ensure that recent crawl results are inside the search results, we do a soft commit here. This is also important for live demos!
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if (authenticated && sb.getThread(SwitchboardConstants.CRAWLJOB_LOCAL_CRAWL).getJobCount() > 0) {
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sb.index.fulltext().commit(true);
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}
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// get query
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final String originalquerystring = (post == null) ? "" : post.get("query", post.get("search", "")).trim();
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String querystring = originalquerystring.replace('+', ' ').trim();
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CacheStrategy snippetFetchStrategy = (post == null) ? null : CacheStrategy.parse(post.get("verify", sb.getConfig("search.verify", "")));
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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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prop.put("focus", ((post == null) ? true : post.get("focus", "1").equals("1")) ? 1 : 0);
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// produce vocabulary navigation sidebars
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Collection<Tagging> vocabularies = LibraryProvider.autotagging.getVocabularies();
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int j = 0;
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for (Tagging 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 = sb.index;
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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("promoteSearchPageGreeting.homepage", sb.getConfig(SwitchboardConstants.GREETING_HOMEPAGE, ""));
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prop.put("promoteSearchPageGreeting.smallImage", sb.getConfig(SwitchboardConstants.GREETING_SMALL_IMAGE, ""));
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// adding some additional properties needed for the rss feed
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String hostName = header.get("Host", Domains.LOCALHOST);
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if ( hostName.indexOf(':', 0) == -1 ) {
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hostName += ":" + env.getConfig("port", "8090");
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}
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prop.put("searchBaseURL", "http://" + hostName + "/yacysearch.html");
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prop.put("rssYacyImageURL", "http://" + hostName + "/env/grafics/yacy.gif");
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prop.put("thisaddress", hostName);
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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 = sb.getConfigBool(SwitchboardConstants.INDEX_RECEIVE_ALLOW_SEARCH, true) || clustersearch;
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boolean p2pmode = sb.peers != null && sb.peers.sizeConnected() > 0 && indexReceiveGranted;
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boolean global = post == null || (post.get("resource", "local").equals("global") && p2pmode);
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boolean stealthmode = p2pmode && !global;
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prop.put("topmenu_resource-select", !authorized ? 0 : stealthmode ? 2 : global ? 1 : 0);
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if ( post == null || indexSegment == null || env == null || !searchAllowed ) {
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if (indexSegment == null) ConcurrentLog.info("yacysearch", "indexSegment == null");
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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(200);
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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 itemsPerPage =
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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", post.getInt("rows", 10)))); // SRU syntax with old property as alternative
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int startRecord = post.getInt("startRecord", post.getInt("offset", post.getInt("start", 0)));
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final boolean indexof = (post != null && post.get("indexof", "").equals("on"));
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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 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.IMAGE && (itemsPerPage == 10 || itemsPerPage == 100)) {
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itemsPerPage = 64;
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} else if ( contentdom != ContentDomain.IMAGE && itemsPerPage > 50 && itemsPerPage < 100 ) {
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itemsPerPage = 10;
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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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ConcurrentLog.warn("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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ConcurrentLog.info("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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ConcurrentLog.warn("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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ConcurrentLog.warn("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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ConcurrentLog.warn("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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String tld = null;
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String inlink = 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.clearCaches();
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SearchEventCache.cleanupEvents(false);
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}
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final RankingProfile ranking = sb.getRanking();
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final QueryModifier modifier = new QueryModifier();
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querystring = modifier.parse(querystring);
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// read collection
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modifier.collection = post.get("collection", "");
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int stp = querystring.indexOf('*');
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if (stp >= 0) {
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// if the star appears as a single entry, use the catchallstring
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if (querystring.length() == 1) {
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querystring = Segment.catchallString;
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} else {
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querystring = querystring.replace('*', ' ').replaceAll(" ", " ");
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}
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}
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if ( querystring.indexOf("/near", 0) >= 0 ) {
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querystring = querystring.replace("/near", "");
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ranking.allZero(); // switch off all attributes
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ranking.coeff_worddistance = RankingProfile.COEFF_MAX;
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modifier.add("/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.allZero(); // switch off all attributes
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ranking.coeff_date = RankingProfile.COEFF_MAX;
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modifier.add("/date");
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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.add("/location");
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}
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final int inurlp = querystring.indexOf("inurl:", 0);
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if ( inurlp >= 0 ) {
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int ftb = querystring.indexOf(' ', inurlp);
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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(inurlp + 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.add("inurl:" + urlstr);
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}
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final int inlinkp = querystring.indexOf("inlink:", 0);
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if ( inlinkp >= 0 ) {
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int ftb = querystring.indexOf(' ', inlinkp);
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if ( ftb == -1 ) {
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ftb = querystring.length();
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}
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inlink = querystring.substring(inlinkp + 7, ftb);
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querystring = querystring.replace("inlink:" + inlink, "");
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modifier.add("inlink:" + inlink);
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}
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int voc = 0;
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Collection<Tagging.Metatag> metatags = new ArrayList<Tagging.Metatag>(1);
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while ((voc = querystring.indexOf("/vocabulary/", 0)) >= 0) {
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String vocabulary = "";
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int ve = querystring.indexOf(' ', voc + 12);
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if (ve < 0) {
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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.add(vocabulary);
|
|
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(k, v));
|
|
}
|
|
}
|
|
|
|
int radius = 0;
|
|
double lon = 0.0d, lat = 0.0d, rad = 0.0d;
|
|
if ((radius = querystring.indexOf("/radius/")) >= 0) {
|
|
int ve = querystring.indexOf(' ', radius + 8);
|
|
String geo = "";
|
|
if (ve < 0) {
|
|
geo = querystring.substring(radius);
|
|
querystring = querystring.substring(0, radius).trim();
|
|
} else {
|
|
geo = querystring.substring(radius, ve);
|
|
querystring = querystring.substring(0, radius) + querystring.substring(ve);
|
|
}
|
|
geo = geo.substring(8);
|
|
String[] sp = geo.split("/");
|
|
if (sp.length == 3) try {
|
|
lat = Double.parseDouble(sp[0]);
|
|
lon = Double.parseDouble(sp[1]);
|
|
rad = Double.parseDouble(sp[2]);
|
|
} catch (final NumberFormatException e) {
|
|
lon = 0.0d; lat = 0.0d; rad = 0.0d;
|
|
}
|
|
}
|
|
|
|
final int heuristicBlekko = querystring.indexOf("/heuristic/blekko", 0);
|
|
if ( heuristicBlekko >= 0 ) {
|
|
querystring = querystring.replace("/heuristic/blekko", "");
|
|
modifier.add("/heuristic/blekko");
|
|
}
|
|
|
|
final int tldp = querystring.indexOf("tld:", 0);
|
|
if (tldp >= 0) {
|
|
int ftb = querystring.indexOf(' ', tldp);
|
|
if (ftb == -1) ftb = querystring.length();
|
|
tld = querystring.substring(tldp + 4, ftb);
|
|
querystring = querystring.replace("tld:" + tld, "");
|
|
modifier.add("tld:" + tld);
|
|
while ( tld.length() > 0 && tld.charAt(0) == '.' ) {
|
|
tld = tld.substring(1);
|
|
}
|
|
if (tld.length() == 0) tld = null;
|
|
}
|
|
if (urlmask == null || urlmask.isEmpty()) urlmask = ".*"; //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
|
|
String language = (post == null) ? null : post.get("lr");
|
|
if (language != null && language.startsWith("lang_") ) {
|
|
language = language.substring(5);
|
|
if (modifier.language == null) modifier.language = language;
|
|
}
|
|
if (language == null || !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";
|
|
}
|
|
}
|
|
|
|
// the query
|
|
final QueryGoal qg = new QueryGoal(querystring.trim());
|
|
final int maxDistance = (querystring.indexOf('"', 0) >= 0) ? qg.getIncludeHashes().size() - 1 : Integer.MAX_VALUE;
|
|
|
|
// filter out stopwords
|
|
final SortedSet<String> filtered = SetTools.joinConstructiveByTest(qg.getIncludeWords(), Switchboard.stopwords); //find matching stopwords
|
|
qg.removeIncludeWords(filtered);
|
|
|
|
// if a minus-button was hit, remove a special reference first
|
|
if ( post != null && post.containsKey("deleteref") ) {
|
|
try {
|
|
if ( !sb.verifyAuthentication(header) ) {
|
|
prop.authenticationRequired();
|
|
return prop;
|
|
}
|
|
|
|
// delete the index entry locally
|
|
final String delHash = post.get("deleteref", ""); // urlhash
|
|
if (indexSegment.termIndex() != null) indexSegment.termIndex().remove(qg.getIncludeHashes(), 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 ) {
|
|
ConcurrentLog.logException(e);
|
|
}
|
|
}
|
|
|
|
// if a plus-button was hit, create new voting message
|
|
if ( post != null && post.containsKey("recommendref") ) {
|
|
if ( !sb.verifyAuthentication(header) ) {
|
|
prop.authenticationRequired();
|
|
return prop;
|
|
}
|
|
final String recommendHash = post.get("recommendref", ""); // urlhash
|
|
final URIMetadataNode urlentry = indexSegment.fulltext().getMetadata(UTF8.getBytes(recommendHash));
|
|
if ( urlentry != null ) {
|
|
Document[] documents = null;
|
|
try {
|
|
documents =
|
|
sb.loader.loadDocuments(
|
|
sb.loader.request(urlentry.url(), true, false),
|
|
CacheStrategy.IFEXIST,
|
|
Integer.MAX_VALUE, BlacklistType.SEARCH, ClientIdentification.yacyIntranetCrawlerAgent);
|
|
} 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(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.authenticationRequired();
|
|
return prop;
|
|
}
|
|
final String bookmarkHash = post.get("bookmarkref", ""); // urlhash
|
|
final DigestURL url = indexSegment.fulltext().getURL(UTF8.getBytes(bookmarkHash));
|
|
if ( url != null ) {
|
|
try {
|
|
sb.tables.bookmarks.createBookmark(
|
|
sb.loader,
|
|
url,
|
|
ClientIdentification.yacyInternetCrawlerAgent,
|
|
YMarkTables.USER_ADMIN,
|
|
true,
|
|
"searchresult",
|
|
"/search");
|
|
} catch (final Throwable e ) {
|
|
}
|
|
}
|
|
}
|
|
|
|
// check filters
|
|
try {
|
|
Pattern.compile(urlmask);
|
|
} catch (final PatternSyntaxException ex ) {
|
|
SearchEvent.log.warn("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 ) {
|
|
SearchEvent.log.warn("Illegal prefer mask, not a valid regex: " + prefermask);
|
|
prop.put("prefermaskerror", 1);
|
|
prop.putHTML("prefermaskerror_prefermask", prefermask);
|
|
prefermask = "";
|
|
}
|
|
|
|
// do the search
|
|
final QueryParams theQuery =
|
|
new QueryParams(
|
|
qg,
|
|
modifier,
|
|
maxDistance,
|
|
prefermask,
|
|
contentdom,
|
|
language,
|
|
metatags,
|
|
snippetFetchStrategy,
|
|
itemsPerPage,
|
|
startRecord,
|
|
urlmask, tld, inlink,
|
|
clustersearch && global ? QueryParams.Searchdom.CLUSTER : (global && indexReceiveGranted ? QueryParams.Searchdom.GLOBAL : QueryParams.Searchdom.LOCAL),
|
|
constraint,
|
|
true,
|
|
DigestURL.hosthashess(sb.getConfig("search.excludehosth", "")),
|
|
MultiProtocolURL.TLD_any_zone_filter,
|
|
client,
|
|
authenticated,
|
|
indexSegment,
|
|
ranking,
|
|
header.get(HeaderFramework.USER_AGENT, ""),
|
|
sb.getConfigBool(SwitchboardConstants.SEARCH_VERIFY_DELETE, false)
|
|
&& sb.getConfigBool(SwitchboardConstants.NETWORK_SEARCHVERIFY, false)
|
|
&& sb.peers.mySeed().getFlagAcceptRemoteIndex(),
|
|
false,
|
|
lat, lon, rad,
|
|
sb.getConfig("search.navigation","").split(","));
|
|
EventTracker.delete(EventTracker.EClass.SEARCH);
|
|
EventTracker.update(EventTracker.EClass.SEARCH, new ProfilingGraph.EventSearch(
|
|
theQuery.id(true),
|
|
SearchEventType.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.getQueryGoal().filterOut(Switchboard.blueList);
|
|
|
|
// log
|
|
ConcurrentLog.info(
|
|
"LOCAL_SEARCH",
|
|
"INIT WORD SEARCH: "
|
|
+ theQuery.getQueryGoal().getQueryString(false)
|
|
+ ":"
|
|
+ QueryParams.hashSet2hashString(theQuery.getQueryGoal().getIncludeHashes())
|
|
+ " - "
|
|
+ theQuery.neededResults()
|
|
+ " links to be computed, "
|
|
+ theQuery.itemsPerPage()
|
|
+ " lines to be displayed");
|
|
EventChannel.channels(EventChannel.LOCALSEARCH).addMessage(
|
|
new RSSMessage("Local Search Request", theQuery.getQueryGoal().getQueryString(false), ""));
|
|
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)));
|
|
|
|
if ( startRecord == 0 ) {
|
|
if ( modifier.sitehost != null && sb.getConfigBool(SwitchboardConstants.HEURISTIC_SITE, false) && authenticated && !stealthmode) {
|
|
sb.heuristicSite(theSearch, modifier.sitehost);
|
|
}
|
|
if ( heuristicBlekko >= 0 && authenticated && !stealthmode ) {
|
|
sb.heuristicRSS("http://blekko.com/ws/$+/rss", theSearch, "blekko");
|
|
}
|
|
if (sb.getConfigBool(SwitchboardConstants.HEURISTIC_OPENSEARCH, false) && authenticated && !stealthmode) {
|
|
OpenSearchConnector.query(sb, theSearch);
|
|
}
|
|
}
|
|
|
|
// log
|
|
ConcurrentLog.info("LOCAL_SEARCH", "EXIT WORD SEARCH: "
|
|
+ theQuery.getQueryGoal().getQueryString(false)
|
|
+ " - "
|
|
+ "local_rwi_available(" + theSearch.local_rwi_available.get() + "), "
|
|
+ "local_rwi_stored(" + theSearch.local_rwi_stored.get() + "), "
|
|
+ "remote_rwi_available(" + theSearch.remote_rwi_available.get() + "), "
|
|
+ "remote_rwi_stored(" + theSearch.remote_rwi_stored.get() + "), "
|
|
+ "remote_rwi_peerCount(" + theSearch.remote_rwi_peerCount.get() + "), "
|
|
+ "local_solr_available(" + theSearch.local_solr_available.get() + "), "
|
|
+ "local_solr_stored(" + theSearch.local_solr_stored.get() + "), "
|
|
+ "remote_solr_available(" + theSearch.remote_solr_available.get() + "), "
|
|
+ "remote_solr_stored(" + theSearch.remote_solr_stored.get() + "), "
|
|
+ "remote_solr_peerCount(" + theSearch.remote_solr_peerCount.get() + "), "
|
|
+ (System.currentTimeMillis() - timestamp)
|
|
+ " ms");
|
|
|
|
// prepare search statistics
|
|
theQuery.searchtime = System.currentTimeMillis() - timestamp;
|
|
theQuery.urlretrievaltime = theSearch.getURLRetrievalTime();
|
|
theQuery.snippetcomputationtime = theSearch.getSnippetComputationTime();
|
|
AccessTracker.add(AccessTracker.Location.local, theQuery, theSearch.getResultCount());
|
|
|
|
// check suggestions
|
|
final int meanMax = (post != null) ? post.getInt("meanCount", 0) : 0;
|
|
|
|
prop.put("meanCount", meanMax);
|
|
if ( meanMax > 0 && !json && !rss && sb.index.connectedRWI()) {
|
|
final DidYouMean didYouMean = new DidYouMean(indexSegment, new StringBuilder(querystring));
|
|
final Iterator<StringBuilder> meanIt = didYouMean.getSuggestions(100, 5).iterator();
|
|
int meanCount = 0;
|
|
String suggestion;
|
|
try {
|
|
meanCollect: while ( meanCount < meanMax && meanIt.hasNext() ) {
|
|
try {
|
|
suggestion = meanIt.next().toString();
|
|
prop.put("didYouMean_suggestions_" + meanCount + "_word", suggestion);
|
|
prop.put(
|
|
"didYouMean_suggestions_" + meanCount + "_url",
|
|
QueryParams.navurl(
|
|
"html",
|
|
0,
|
|
theQuery,
|
|
suggestion).toString());
|
|
prop.put("didYouMean_suggestions_" + meanCount + "_sep", "|");
|
|
meanCount++;
|
|
} catch (final ConcurrentModificationException e) {
|
|
ConcurrentLog.logException(e);
|
|
break meanCollect;
|
|
}
|
|
}
|
|
} catch (final ConcurrentModificationException e) {
|
|
ConcurrentLog.logException(e);
|
|
}
|
|
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<GeoLocation> coordinates = LibraryProvider.geoLoc.find(originalquerystring, false);
|
|
if ( coordinates == null || coordinates.isEmpty() || startRecord > 0 ) {
|
|
prop.put("geoinfo", "0");
|
|
} else {
|
|
int i = 0;
|
|
for ( final GeoLocation 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.starttime);
|
|
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 ) {
|
|
ConcurrentLog.logException(e);
|
|
}
|
|
|
|
prop.put("num-results_offset", startRecord);
|
|
prop.put("num-results_itemscount", Formatter.number(startRecord + theSearch.query.itemsPerPage > theSearch.getResultCount() ? startRecord + theSearch.getResultCount() % theSearch.query.itemsPerPage : startRecord + theSearch.query.itemsPerPage, true));
|
|
prop.put("num-results_itemsPerPage", Formatter.number(itemsPerPage));
|
|
prop.put("num-results_totalcount", Formatter.number(theSearch.getResultCount())); // also in yacyserchtrailer (hint: timing in p2p search )
|
|
prop.put("num-results_globalresults", global && (indexReceiveGranted || clustersearch) ? "1" : "0");
|
|
prop.put("num-results_globalresults_localResourceSize", Formatter.number(theSearch.local_rwi_stored.get() + theSearch.local_solr_stored.get(), true));
|
|
prop.put("num-results_globalresults_remoteResourceSize", Formatter.number(theSearch.remote_rwi_stored.get() + theSearch.remote_solr_stored.get(), true));
|
|
prop.put("num-results_globalresults_remoteIndexCount", Formatter.number(theSearch.remote_rwi_available.get() + theSearch.remote_solr_available.get(), true));
|
|
prop.put("num-results_globalresults_remotePeerCount", Formatter.number(theSearch.remote_rwi_peerCount.get() + theSearch.remote_solr_peerCount.get(), true));
|
|
|
|
// compose page navigation
|
|
final StringBuilder resnav = new StringBuilder(200);
|
|
final int thispage = startRecord / theQuery.itemsPerPage();
|
|
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).toString());
|
|
resnav
|
|
.append("\"><img src=\"env/grafics/navdl.gif\" alt=\"arrowleft\" width=\"16\" height=\"16\" /></a> ");
|
|
}
|
|
final int numberofpages = Math.min(10, 1 + ((theSearch.getResultCount() - 1) / theQuery.itemsPerPage()));
|
|
|
|
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).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).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", (theSearch.getResultCount() - 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.itemsPerPage(); i++ ) {
|
|
prop.put("results_" + i + "_item", startRecord + i);
|
|
prop.put("results_" + i + "_eventID", theQuery.id(false));
|
|
}
|
|
prop.put("results", theQuery.itemsPerPage());
|
|
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");
|
|
|
|
}
|
|
|
|
prop.put("searchagain", global ? "1" : "0");
|
|
prop.putHTML("former", originalquerystring);
|
|
prop.put("count", itemsPerPage);
|
|
prop.put("offset", startRecord);
|
|
prop.put("resource", global ? "global" : "local");
|
|
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 || contentdom == ContentDomain.ALL) ? "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();
|
|
|
|
// hostname and port (assume locahost if nothing helps)
|
|
final InetAddress hostIP = Domains.myPublicLocalIP();
|
|
prop.put("myhost", hostIP != null ? hostIP.getHostAddress() : Domains.LOCALHOST);
|
|
prop.put("myport", sb.getConfig("port", "8090"));
|
|
|
|
// return rewrite properties
|
|
return prop;
|
|
}
|
|
}
|