You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
365 lines
18 KiB
365 lines
18 KiB
// yacysearch.java
|
|
// -----------------------
|
|
// part of the AnomicHTTPD caching proxy
|
|
// (C) by Michael Peter Christen; mc@anomic.de
|
|
// first published on http://www.anomic.de
|
|
// Frankfurt, Germany, 2004
|
|
//
|
|
// $LastChangedDate$
|
|
// $LastChangedRevision$
|
|
// $LastChangedBy$
|
|
//
|
|
// This program is free software; you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation; either version 2 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with this program; if not, write to the Free Software
|
|
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
//
|
|
// Using this software in any meaning (reading, learning, copying, compiling,
|
|
// running) means that you agree that the Author(s) is (are) not responsible
|
|
// for cost, loss of data or any harm that may be caused directly or indirectly
|
|
// by usage of this softare or this documentation. The usage of this software
|
|
// is on your own risk. The installation and usage (starting/running) of this
|
|
// software may allow other people or application to access your computer and
|
|
// any attached devices and is highly dependent on the configuration of the
|
|
// software which must be done by the user of the software; the author(s) is
|
|
// (are) also not responsible for proper configuration and usage of the
|
|
// software, even if provoked by documentation provided together with
|
|
// the software.
|
|
//
|
|
// Any changes to this file according to the GPL as documented in the file
|
|
// gpl.txt aside this file in the shipment you received can be done to the
|
|
// lines that follows this copyright notice here, but changes must not be
|
|
// done inside the copyright notive above. A re-distribution must contain
|
|
// the intact and unchanged copyright notice.
|
|
// Contributions and changes to the program code must be marked as such.
|
|
//
|
|
// You must compile this file with
|
|
// javac -classpath .:../classes yacysearch.java
|
|
// if the shell's current path is HTROOT
|
|
|
|
import java.io.IOException;
|
|
import java.net.MalformedURLException;
|
|
import java.net.URL;
|
|
import java.util.HashMap;
|
|
import java.util.Iterator;
|
|
import java.util.TreeSet;
|
|
|
|
import de.anomic.htmlFilter.htmlFilterImageEntry;
|
|
import de.anomic.http.httpHeader;
|
|
import de.anomic.kelondro.kelondroMSetTools;
|
|
import de.anomic.kelondro.kelondroNaturalOrder;
|
|
import de.anomic.plasma.plasmaSearchImages;
|
|
import de.anomic.plasma.plasmaSearchRankingProfile;
|
|
import de.anomic.plasma.plasmaSearchTimingProfile;
|
|
import de.anomic.plasma.plasmaSwitchboard;
|
|
import de.anomic.plasma.plasmaSearchQuery;
|
|
import de.anomic.plasma.plasmaSearchPreOrder;
|
|
import de.anomic.server.serverCore;
|
|
import de.anomic.server.serverDate;
|
|
import de.anomic.server.serverObjects;
|
|
import de.anomic.server.serverSwitch;
|
|
import de.anomic.yacy.yacyCore;
|
|
|
|
public class yacysearch {
|
|
|
|
public static final int MAX_TOPWORDS = 24;
|
|
|
|
public static serverObjects respond(httpHeader header, serverObjects post, serverSwitch env) {
|
|
final plasmaSwitchboard sb = (plasmaSwitchboard) env;
|
|
|
|
boolean authenticated = sb.adminAuthenticated(header) >= 2;
|
|
int display = ((post == null) || (!authenticated)) ? 0 : post.getInt("display", 0);
|
|
String promoteSearchPageGreeting = env.getConfig("promoteSearchPageGreeting", "");
|
|
if (promoteSearchPageGreeting.length() == 0) promoteSearchPageGreeting = "P2P WEB SEARCH";
|
|
|
|
// case if no values are requested
|
|
final String referer = (String) header.get("Referer");
|
|
if (post == null || env == null) {
|
|
|
|
// save referrer
|
|
// System.out.println("HEADER=" + header.toString());
|
|
if (referer != null) {
|
|
URL url;
|
|
try { url = new URL(referer); } catch (MalformedURLException e) { url = null; }
|
|
if ((url != null) && (serverCore.isNotLocal(url))) {
|
|
final HashMap referrerprop = new HashMap();
|
|
referrerprop.put("count", "1");
|
|
referrerprop.put("clientip", header.get("CLIENTIP"));
|
|
referrerprop.put("useragent", header.get("User-Agent"));
|
|
referrerprop.put("date", (new serverDate()).toShortString(false));
|
|
if (sb.facilityDB != null) try { sb.facilityDB.update("backlinks", referer, referrerprop); } catch (IOException e) {}
|
|
}
|
|
}
|
|
|
|
// we create empty entries for template strings
|
|
final serverObjects prop = new serverObjects();
|
|
prop.put("promoteSearchPageGreeting", promoteSearchPageGreeting);
|
|
prop.put("former", "");
|
|
prop.put("count", 10);
|
|
prop.put("order", plasmaSearchPreOrder.canUseYBR() ? "YBR-Date-Quality" : "Date-Quality-YBR");
|
|
prop.put("resource", "global");
|
|
prop.put("time", 6);
|
|
prop.put("urlmaskfilter", ".*");
|
|
prop.put("prefermaskfilter", "");
|
|
prop.put("cat", "href");
|
|
prop.put("depth", "0");
|
|
prop.put("type", 0);
|
|
prop.put("type_excluded", 0);
|
|
prop.put("type_num-results", 0);
|
|
prop.put("type_combine", 0);
|
|
prop.put("type_resultbottomline", 0);
|
|
prop.put("type_results", "");
|
|
prop.put("display", display);
|
|
return prop;
|
|
}
|
|
|
|
// SEARCH
|
|
// process search words
|
|
int maxDistance = Integer.MAX_VALUE;
|
|
String querystring = post.get("search", "").trim();
|
|
if ((querystring.length() > 2) && (querystring.charAt(0) == '"') && (querystring.charAt(querystring.length() - 1) == '"')) {
|
|
querystring = querystring.substring(1, querystring.length() - 1).trim();
|
|
maxDistance = 1;
|
|
}
|
|
if (sb.facilityDB != null) try { sb.facilityDB.update("zeitgeist", querystring, post); } catch (Exception e) {}
|
|
|
|
final int count = Integer.parseInt(post.get("count", "10"));
|
|
final String order = post.get("order", plasmaSearchPreOrder.canUseYBR() ? "YBR-Date-Quality" : "Date-Quality-YBR");
|
|
boolean global = (post == null) ? true : post.get("resource", "global").equals("global");
|
|
final boolean indexDistributeGranted = sb.getConfig("allowDistributeIndex", "true").equals("true");
|
|
final boolean indexReceiveGranted = sb.getConfig("allowReceiveIndex", "true").equals("true");
|
|
if (!indexDistributeGranted || !indexReceiveGranted) { global = false; }
|
|
final long searchtime = 1000 * Long.parseLong(post.get("time", "10"));
|
|
String urlmask = "";
|
|
if (post.containsKey("urlmask") && post.get("urlmask").equals("no")) {
|
|
urlmask = ".*";
|
|
} else {
|
|
urlmask = (post.containsKey("urlmaskfilter")) ? (String) post.get("urlmaskfilter") : ".*";
|
|
}
|
|
String prefermask = post.get("prefermaskfilter", "");
|
|
if ((prefermask.length() > 0) && (prefermask.indexOf(".*") < 0)) prefermask = ".*" + prefermask + ".*";
|
|
|
|
serverObjects prop = new serverObjects();
|
|
|
|
if (post.get("cat", "href").equals("href")) {
|
|
|
|
final TreeSet query = plasmaSearchQuery.cleanQuery(querystring);
|
|
// filter out stopwords
|
|
final TreeSet filtered = kelondroMSetTools.joinConstructive(query,
|
|
plasmaSwitchboard.stopwords);
|
|
if (filtered.size() > 0) {
|
|
kelondroMSetTools.excludeDestructive(query, plasmaSwitchboard.stopwords);
|
|
}
|
|
|
|
// if a minus-button was hit, remove a special reference first
|
|
if (post.containsKey("deleteref")) {
|
|
if (!sb.verifyAuthentication(header, true)) {
|
|
prop.put("AUTHENTICATE", "admin log-in"); // force log-in
|
|
return prop;
|
|
}
|
|
final String delHash = post.get("deleteref", "");
|
|
sb.removeReferences(delHash, query);
|
|
}
|
|
|
|
// prepare search order
|
|
|
|
final boolean yacyonline = ((yacyCore.seedDB != null) && (yacyCore.seedDB.mySeed != null) && (yacyCore.seedDB.mySeed.getAddress() != null));
|
|
|
|
String order1 = plasmaSearchRankingProfile.ORDER_DATE;
|
|
String order2 = plasmaSearchRankingProfile.ORDER_YBR;
|
|
String order3 = plasmaSearchRankingProfile.ORDER_QUALITY;
|
|
if (order.startsWith("YBR")) order1 = plasmaSearchRankingProfile.ORDER_YBR;
|
|
if (order.startsWith("Date")) order1 = plasmaSearchRankingProfile.ORDER_DATE;
|
|
if (order.startsWith("Quality")) order1 = plasmaSearchRankingProfile.ORDER_QUALITY;
|
|
if (order.indexOf("-YBR-") > 0) order2 = plasmaSearchRankingProfile.ORDER_YBR;
|
|
if (order.indexOf("-Date-") > 0) order2 = plasmaSearchRankingProfile.ORDER_DATE;
|
|
if (order.indexOf("-Quality-") > 0) order2 = plasmaSearchRankingProfile.ORDER_QUALITY;
|
|
if (order.endsWith("YBR")) order3 = plasmaSearchRankingProfile.ORDER_YBR;
|
|
if (order.endsWith("Date")) order3 = plasmaSearchRankingProfile.ORDER_DATE;
|
|
if (order.endsWith("Quality")) order3 = plasmaSearchRankingProfile.ORDER_QUALITY;
|
|
|
|
// do the search
|
|
plasmaSearchQuery thisSearch = new plasmaSearchQuery(
|
|
query,
|
|
maxDistance,
|
|
prefermask,
|
|
count,
|
|
searchtime,
|
|
urlmask,
|
|
((global) && (yacyonline) && (!(env.getConfig(
|
|
"last-search", "").equals(querystring)))) ? plasmaSearchQuery.SEARCHDOM_GLOBALDHT
|
|
: plasmaSearchQuery.SEARCHDOM_LOCAL, "", 20);
|
|
plasmaSearchRankingProfile ranking = new plasmaSearchRankingProfile( new String[] { order1, order2, order3 });
|
|
plasmaSearchTimingProfile localTiming = new plasmaSearchTimingProfile(4 * thisSearch.maximumTime / 10, thisSearch.wantedResults);
|
|
plasmaSearchTimingProfile remoteTiming = new plasmaSearchTimingProfile(6 * thisSearch.maximumTime / 10, thisSearch.wantedResults);
|
|
prop = sb.searchFromLocal(thisSearch, ranking, localTiming, remoteTiming);
|
|
|
|
/*
|
|
* final serverObjects prop = sb.searchFromLocal(query, order1,
|
|
* order2, count, ((global) && (yacyonline) &&
|
|
* (!(env.getConfig("last-search","").equals(querystring)))),
|
|
* searchtime, urlmask);
|
|
*/
|
|
// remember the last search expression
|
|
env.setConfig("last-search", querystring);
|
|
|
|
// process result of search
|
|
prop.put("type_resultbottomline", 0);
|
|
if (filtered.size() > 0) {
|
|
prop.put("type_excluded", 1);
|
|
prop.put("type_excluded_stopwords", filtered.toString());
|
|
} else {
|
|
prop.put("type_excluded", 0);
|
|
}
|
|
|
|
if (prop == null || prop.size() == 0) {
|
|
if (post.get("search", "").length() < 3) {
|
|
prop.put("type_num-results", 2); // no results - at least 3 chars
|
|
} else {
|
|
prop.put("type_num-results", 1); // no results
|
|
}
|
|
} else {
|
|
final int linkcount = Integer.parseInt(prop.get("type_linkcount", "0"));
|
|
final int orderedcount = Integer.parseInt(prop.get("type_orderedcount", "0"));
|
|
final int totalcount = Integer.parseInt(prop.get("type_totalcount", "0"));
|
|
if (totalcount > 10) {
|
|
final Object[] references = (Object[]) prop.get( "type_references", new String[0]);
|
|
prop.put("type_num-results", 4);
|
|
prop.put("type_num-results_linkcount", linkcount);
|
|
prop.put("type_num-results_orderedcount", orderedcount);
|
|
prop.put("type_num-results_totalcount", totalcount);
|
|
int hintcount = references.length;
|
|
if (hintcount > 0) {
|
|
|
|
prop.put("type_combine", 1);
|
|
|
|
// get the topwords
|
|
final TreeSet topwords = new TreeSet(kelondroNaturalOrder.naturalOrder);
|
|
String tmp = "";
|
|
for (int i = 0; i < hintcount; i++) {
|
|
tmp = (String) references[i];
|
|
if (!tmp.matches("[0-9]+")) {
|
|
topwords.add(tmp);
|
|
} // omit in the production ?
|
|
}
|
|
|
|
// filter out the badwords
|
|
final TreeSet filteredtopwords = kelondroMSetTools.joinConstructive(topwords, plasmaSwitchboard.badwords);
|
|
if (filteredtopwords.size() > 0) {
|
|
kelondroMSetTools.excludeDestructive(topwords, plasmaSwitchboard.badwords);
|
|
}
|
|
|
|
String word;
|
|
hintcount = 0;
|
|
final Iterator iter = topwords.iterator();
|
|
while (iter.hasNext()) {
|
|
word = (String) iter.next();
|
|
if (word != null) {
|
|
prop.put("type_combine_words_" + hintcount + "_word", word);
|
|
prop.put("type_combine_words_" + hintcount + "_newsearch", post.get("search", "").replace(' ', '+') + "+" + word);
|
|
prop.put("type_combine_words_" + hintcount + "_count", count);
|
|
prop.put("type_combine_words_" + hintcount + "_order", order);
|
|
prop.put("type_combine_words_" + hintcount + "_resource", ((global) ? "global" : "local"));
|
|
prop.put("type_combine_words_" + hintcount + "_time", (searchtime / 1000));
|
|
}
|
|
prop.put("type_combine_words", hintcount);
|
|
if (hintcount++ > MAX_TOPWORDS) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
if (totalcount == 0) {
|
|
prop.put("type_num-results", 3); // long
|
|
} else {
|
|
prop.put("type_num-results", 4);
|
|
prop.put("type_num-results_linkcount", linkcount);
|
|
prop.put("type_num-results_orderedcount", orderedcount);
|
|
prop.put("type_num-results_totalcount", totalcount);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (yacyonline) {
|
|
if (global) {
|
|
prop.put("type_resultbottomline", 1);
|
|
prop.put("type_resultbottomline_globalresults", prop.get("type_globalresults", "0"));
|
|
} else {
|
|
prop.put("type_resultbottomline", 2);
|
|
}
|
|
} else {
|
|
if (global) {
|
|
prop.put("type_resultbottomlien", 3);
|
|
} else {
|
|
prop.put("type_resultbottomline", 4);
|
|
}
|
|
}
|
|
|
|
prop.put("type", "0");
|
|
prop.put("cat", "href");
|
|
prop.put("depth", "0");
|
|
|
|
// adding some additional properties needed for the rss feed
|
|
String hostName = (String) header.get("Host", "localhost");
|
|
if (hostName.indexOf(":") == -1) hostName += ":" + serverCore.getPortNr(env.getConfig("port", "8080"));
|
|
prop.put("rssYacyImageURL", "http://" + hostName + "/env/grafics/yacy.gif");
|
|
|
|
}
|
|
|
|
if (post.get("cat", "href").equals("image")) {
|
|
|
|
int depth = post.getInt("depth", 0);
|
|
int columns = post.getInt("columns", 6);
|
|
URL url = null;
|
|
try {url = new URL(post.get("url", ""));} catch (MalformedURLException e) {}
|
|
plasmaSearchImages si = new plasmaSearchImages(sb.snippetCache, 6000, url, depth);
|
|
Iterator i = si.entries();
|
|
htmlFilterImageEntry ie;
|
|
int line = 0;
|
|
while (i.hasNext()) {
|
|
int col = 0;
|
|
for (col = 0; col < columns; col++) {
|
|
if (!i.hasNext()) break;
|
|
ie = (htmlFilterImageEntry) i.next();
|
|
String urls = ie.url().toString();
|
|
String name = "";
|
|
int p = urls.lastIndexOf('/');
|
|
if (p > 0) name = urls.substring(p + 1);
|
|
prop.put("type_results_" + line + "_line_" + col + "_url", urls);
|
|
prop.put("type_results_" + line + "_line_" + col + "_name", name);
|
|
}
|
|
prop.put("type_results_" + line + "_line", col);
|
|
line++;
|
|
}
|
|
prop.put("type_results", line);
|
|
|
|
prop.put("type", 1); // set type of result: image list
|
|
prop.put("cat", "href");
|
|
prop.put("depth", depth);
|
|
}
|
|
|
|
prop.put("promoteSearchPageGreeting", promoteSearchPageGreeting);
|
|
prop.put("former", post.get("search", ""));
|
|
prop.put("count", count);
|
|
prop.put("order", order);
|
|
prop.put("resource", (global) ? "global" : "local");
|
|
prop.put("time", searchtime / 1000);
|
|
prop.put("urlmaskfilter", urlmask);
|
|
prop.put("prefermaskfilter", prefermask);
|
|
prop.put("display", display);
|
|
|
|
// return rewrite properties
|
|
return prop;
|
|
}
|
|
|
|
}
|