mirror of
https://github.com/yacy/yacy_search_server.git
synced 2024-09-19 00:01:41 +02:00
0edec2b760
The old process used a not really efficient way to detect html encoding strings in texts. All calling methods had been adoped to call the new class in an enhanced way with less parameters. Many classes in interfaces used a XML encoding only (instead of full html conversion from unicode to html); this behavior was not changed with this commit but should be controlled again since it points out possible XSS leaks git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@5295 6c8d7289-2bf4-0310-a012-ef5d649a1542
298 lines
16 KiB
Java
298 lines
16 KiB
Java
// yacysearchitem.java
|
|
// (C) 2007 by Michael Peter Christen; mc@yacy.net, Frankfurt a. M., Germany
|
|
// first published 28.08.2007 on http://yacy.net
|
|
//
|
|
// This is a part of YaCy, a peer-to-peer based web search engine
|
|
//
|
|
// $LastChangedDate: 2006-04-02 22:40:07 +0200 (So, 02 Apr 2006) $
|
|
// $LastChangedRevision: 1986 $
|
|
// $LastChangedBy: orbiter $
|
|
//
|
|
// LICENSE
|
|
//
|
|
// 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
|
|
|
|
import java.io.UnsupportedEncodingException;
|
|
import java.net.MalformedURLException;
|
|
import java.net.URLEncoder;
|
|
import java.util.ArrayList;
|
|
import java.util.Iterator;
|
|
import java.util.Set;
|
|
import java.util.TreeSet;
|
|
|
|
import de.anomic.http.httpRequestHeader;
|
|
import de.anomic.kelondro.kelondroMSetTools;
|
|
import de.anomic.kelondro.kelondroNaturalOrder;
|
|
import de.anomic.plasma.plasmaProfiling;
|
|
import de.anomic.plasma.plasmaSearchEvent;
|
|
import de.anomic.plasma.plasmaSearchQuery;
|
|
import de.anomic.plasma.plasmaSearchRankingProcess;
|
|
import de.anomic.plasma.plasmaSnippetCache;
|
|
import de.anomic.plasma.plasmaSwitchboard;
|
|
import de.anomic.server.serverObjects;
|
|
import de.anomic.server.serverProfiling;
|
|
import de.anomic.server.serverSwitch;
|
|
import de.anomic.tools.crypt;
|
|
import de.anomic.tools.nxTools;
|
|
import de.anomic.tools.yFormatter;
|
|
import de.anomic.yacy.yacyNewsPool;
|
|
import de.anomic.yacy.yacySeed;
|
|
import de.anomic.yacy.yacyURL;
|
|
|
|
|
|
public class yacysearchitem {
|
|
|
|
private static boolean col = true;
|
|
private static final int namelength = 60;
|
|
private static final int urllength = 120;
|
|
private static final int MAX_TOPWORDS = 24;
|
|
|
|
public static serverObjects respond(final httpRequestHeader header, final serverObjects post, final serverSwitch<?> env) {
|
|
final plasmaSwitchboard sb = (plasmaSwitchboard) env;
|
|
final serverObjects prop = new serverObjects();
|
|
|
|
final String eventID = post.get("eventID", "");
|
|
final boolean bottomline = post.get("bottomline", "false").equals("true");
|
|
final boolean rss = post.get("rss", "false").equals("true");
|
|
final boolean authenticated = sb.adminAuthenticated(header) >= 2;
|
|
final int item = post.getInt("item", -1);
|
|
final boolean auth = ((String) header.get(httpRequestHeader.CONNECTION_PROP_CLIENTIP, "")).equals("localhost") || sb.verifyAuthentication(header, true);
|
|
final int display = (post == null) ? 0 : post.getInt("display", 0);
|
|
|
|
// default settings for blank item
|
|
prop.put("content", "0");
|
|
prop.put("rss", "0");
|
|
prop.put("references", "0");
|
|
prop.put("rssreferences", "0");
|
|
prop.put("dynamic", "0");
|
|
|
|
// find search event
|
|
final plasmaSearchEvent theSearch = plasmaSearchEvent.getEvent(eventID);
|
|
if (theSearch == null) {
|
|
// the event does not exist, show empty page
|
|
return prop;
|
|
}
|
|
final plasmaSearchQuery theQuery = theSearch.getQuery();
|
|
|
|
// dynamically update count values
|
|
if (!rss) {
|
|
final int offset = theQuery.neededResults() - theQuery.displayResults() + 1;
|
|
prop.put("dynamic_offset", offset);
|
|
prop.put("dynamic_itemscount", (item < 0) ? theQuery.neededResults() : item + 1);
|
|
prop.put("dynamic_totalcount", yFormatter.number(theSearch.getRankingResult().getLocalResourceSize() + theSearch.getRankingResult().getRemoteResourceSize(), !rss));
|
|
prop.put("dynamic_localResourceSize", yFormatter.number(theSearch.getRankingResult().getLocalResourceSize(), !rss));
|
|
prop.put("dynamic_remoteResourceSize", yFormatter.number(theSearch.getRankingResult().getRemoteResourceSize(), !rss));
|
|
prop.put("dynamic_remoteIndexCount", yFormatter.number(theSearch.getRankingResult().getRemoteIndexCount(), !rss));
|
|
prop.put("dynamic_remotePeerCount", yFormatter.number(theSearch.getRankingResult().getRemotePeerCount(), !rss));
|
|
prop.put("dynamic", "1");
|
|
}
|
|
|
|
if (bottomline) {
|
|
// attach the bottom line with search references (topwords)
|
|
final Set<String> references = theSearch.references(20);
|
|
if (references.size() > 0) {
|
|
// get the topwords
|
|
final TreeSet<String> topwords = new TreeSet<String>(kelondroNaturalOrder.naturalComparator);
|
|
String tmp = "";
|
|
final Iterator<String> i = references.iterator();
|
|
while (i.hasNext()) {
|
|
tmp = i.next();
|
|
if (tmp.matches("[a-z]+")) {
|
|
topwords.add(tmp);
|
|
}
|
|
}
|
|
|
|
// filter out the badwords
|
|
final TreeSet<String> filteredtopwords = kelondroMSetTools.joinConstructive(topwords, plasmaSwitchboard.badwords);
|
|
if (filteredtopwords.size() > 0) {
|
|
kelondroMSetTools.excludeDestructive(topwords, plasmaSwitchboard.badwords);
|
|
}
|
|
|
|
// avoid stopwords being topwords
|
|
if (env.getConfig("filterOutStopwordsFromTopwords", "true").equals("true")) {
|
|
if ((plasmaSwitchboard.stopwords != null) && (plasmaSwitchboard.stopwords.size() > 0)) {
|
|
kelondroMSetTools.excludeDestructive(topwords, plasmaSwitchboard.stopwords);
|
|
}
|
|
}
|
|
|
|
if (rss) {
|
|
String word;
|
|
int hintcount = 0;
|
|
final Iterator<String> iter = topwords.iterator();
|
|
while (iter.hasNext()) {
|
|
word = iter.next();
|
|
if (word != null) {
|
|
prop.putHTML("rssreferences_words_" + hintcount + "_word", word);
|
|
}
|
|
prop.put("rssreferences_words", hintcount);
|
|
if (hintcount++ > MAX_TOPWORDS) {
|
|
break;
|
|
}
|
|
}
|
|
prop.put("rssreferences", "1");
|
|
} else {
|
|
String word;
|
|
int hintcount = 0;
|
|
final Iterator<String> iter = topwords.iterator();
|
|
while (iter.hasNext()) {
|
|
word = iter.next();
|
|
if (/*(theQuery == null) ||*/ (theQuery.queryString == null)) break;
|
|
if (word != null) {
|
|
prop.putHTML("references_words_" + hintcount + "_word", word);
|
|
prop.putHTML("references_words_" + hintcount + "_newsearch", theQuery.queryString.replace(' ', '+') + "+" + word);
|
|
prop.put("references_words_" + hintcount + "_count", theQuery.displayResults());
|
|
prop.put("references_words_" + hintcount + "_offset", "0");
|
|
prop.put("references_words_" + hintcount + "_contentdom", theQuery.contentdom());
|
|
prop.put("references_words_" + hintcount + "_resource", ((theQuery.isLocal()) ? "local" : "global"));
|
|
}
|
|
prop.put("references_words", hintcount);
|
|
if (hintcount++ > MAX_TOPWORDS) {
|
|
break;
|
|
}
|
|
}
|
|
prop.put("references", "1");
|
|
}
|
|
}
|
|
serverProfiling.update("SEARCH", new plasmaProfiling.searchEvent(theQuery.id(true), plasmaSearchEvent.FINALIZATION + "-" + "bottomline", 0, 0));
|
|
|
|
return prop;
|
|
}
|
|
|
|
prop.put("rss", "0");
|
|
|
|
if (theQuery.contentdom == plasmaSearchQuery.CONTENTDOM_TEXT) {
|
|
// text search
|
|
|
|
// generate result object
|
|
final plasmaSearchEvent.ResultEntry result = theSearch.oneResult(item);
|
|
if (result == null) return prop; // no content
|
|
|
|
if (rss) {
|
|
// text search for rss output
|
|
prop.put("rss", "1"); // switch on specific content
|
|
prop.putXML("rss_title", result.title());
|
|
final plasmaSnippetCache.TextSnippet snippet = result.textSnippet();
|
|
prop.putXML("rss_description", (snippet == null) ? "" : snippet.getLineRaw());
|
|
prop.putXML("rss_link", result.urlstring());
|
|
prop.put("rss_urlhash", result.hash());
|
|
prop.put("rss_date", plasmaSwitchboard.dateString822(result.modified()));
|
|
return prop;
|
|
}
|
|
|
|
prop.put("content", theQuery.contentdom + 1); // switch on specific content
|
|
prop.put("content_authorized", authenticated ? "1" : "0");
|
|
prop.put("content_authorized_recommend", (sb.webIndex.newsPool.getSpecific(yacyNewsPool.OUTGOING_DB, yacyNewsPool.CATEGORY_SURFTIPP_ADD, "url", result.urlstring()) == null) ? "1" : "0");
|
|
prop.putHTML("content_authorized_recommend_deletelink", "/yacysearch.html?search=" + theQuery.queryString + "&Enter=Search&count=" + theQuery.displayResults() + "&offset=" + (theQuery.neededResults() - theQuery.displayResults()) + "&order=" + crypt.simpleEncode(theQuery.ranking.toExternalString()) + "&resource=local&time=3&deleteref=" + result.hash() + "&urlmaskfilter=.*");
|
|
prop.putHTML("content_authorized_recommend_recommendlink", "/yacysearch.html?search=" + theQuery.queryString + "&Enter=Search&count=" + theQuery.displayResults() + "&offset=" + (theQuery.neededResults() - theQuery.displayResults()) + "&order=" + crypt.simpleEncode(theQuery.ranking.toExternalString()) + "&resource=local&time=3&recommendref=" + result.hash() + "&urlmaskfilter=.*");
|
|
prop.put("content_authorized_urlhash", result.hash());
|
|
prop.putHTML("content_description", result.title());
|
|
prop.putHTML("content_url", result.urlstring());
|
|
prop.put("content_display", display);
|
|
|
|
final int port=result.url().getPort();
|
|
yacyURL faviconURL;
|
|
try {
|
|
faviconURL = new yacyURL(result.url().getProtocol() + "://" + result.url().getHost() + ((port != -1) ? (":" + String.valueOf(port)) : "") + "/favicon.ico", null);
|
|
} catch (final MalformedURLException e1) {
|
|
faviconURL = null;
|
|
}
|
|
|
|
prop.putHTML("content_faviconCode", sb.licensedURLs.aquireLicense(faviconURL)); // aquire license for favicon url loading
|
|
prop.put("content_urlhash", result.hash());
|
|
prop.put("content_urlhexhash", yacySeed.b64Hash2hexHash(result.hash()));
|
|
prop.putHTML("content_urlname", nxTools.shortenURLString(result.urlname(), urllength));
|
|
prop.put("content_date", plasmaSwitchboard.dateString(result.modified()));
|
|
prop.put("content_ybr", plasmaSearchRankingProcess.ybr(result.hash()));
|
|
prop.putNum("content_size", result.filesize());
|
|
|
|
final TreeSet<String>[] query = theQuery.queryWords();
|
|
yacyURL wordURL = null;
|
|
try {
|
|
prop.putHTML("content_words", URLEncoder.encode(query[0].toString(),"UTF-8"));
|
|
} catch (final UnsupportedEncodingException e) {}
|
|
prop.putHTML("content_former", theQuery.queryString);
|
|
prop.put("content_rankingprops", result.word().toPropertyForm() + ", domLengthEstimated=" + yacyURL.domLengthEstimation(result.hash()) +
|
|
((yacyURL.probablyRootURL(result.hash())) ? ", probablyRootURL" : "") +
|
|
(((wordURL = yacyURL.probablyWordURL(result.hash(), query[0])) != null) ? ", probablyWordURL=" + wordURL.toNormalform(false, true) : ""));
|
|
final plasmaSnippetCache.TextSnippet snippet = result.textSnippet();
|
|
prop.put("content_snippet", (snippet == null) ? "" : snippet.getLineMarked(theQuery.queryHashes));
|
|
serverProfiling.update("SEARCH", new plasmaProfiling.searchEvent(theQuery.id(true), plasmaSearchEvent.FINALIZATION + "-" + item, 0, 0));
|
|
|
|
return prop;
|
|
}
|
|
|
|
if (theQuery.contentdom == plasmaSearchQuery.CONTENTDOM_IMAGE) {
|
|
// image search; shows thumbnails
|
|
|
|
prop.put("content", theQuery.contentdom + 1); // switch on specific content
|
|
final plasmaSnippetCache.MediaSnippet ms = theSearch.oneImage(item);
|
|
if (ms == null) {
|
|
prop.put("content_items", "0");
|
|
} else {
|
|
prop.putHTML("content_items_0_hrefCache", (auth) ? "/ViewImage.png?url=" + ms.href.toNormalform(true, false) : ms.href.toNormalform(true, false));
|
|
prop.putHTML("content_items_0_href", ms.href.toNormalform(true, false));
|
|
prop.put("content_items_0_code", sb.licensedURLs.aquireLicense(ms.href));
|
|
prop.putHTML("content_items_0_name", shorten(ms.name, namelength));
|
|
prop.put("content_items_0_attr", (ms.attr.equals("-1 x -1")) ? "" : "(" + ms.attr + ")"); // attributes, here: original size of image
|
|
prop.put("content_items_0_source", ms.source.toNormalform(true, false));
|
|
prop.put("content_items_0_sourcedom", ms.source.getHost());
|
|
prop.put("content_items", 1);
|
|
}
|
|
return prop;
|
|
}
|
|
|
|
if ((theQuery.contentdom == plasmaSearchQuery.CONTENTDOM_AUDIO) ||
|
|
(theQuery.contentdom == plasmaSearchQuery.CONTENTDOM_VIDEO) ||
|
|
(theQuery.contentdom == plasmaSearchQuery.CONTENTDOM_APP)) {
|
|
// any other media content
|
|
|
|
// generate result object
|
|
final plasmaSearchEvent.ResultEntry result = theSearch.oneResult(item);
|
|
if (result == null) return prop; // no content
|
|
|
|
prop.put("content", theQuery.contentdom + 1); // switch on specific content
|
|
final ArrayList<plasmaSnippetCache.MediaSnippet> media = result.mediaSnippets();
|
|
if (item == 0) col = true;
|
|
if (media != null) {
|
|
plasmaSnippetCache.MediaSnippet ms;
|
|
int c = 0;
|
|
for (int i = 0; i < media.size(); i++) {
|
|
ms = media.get(i);
|
|
prop.putHTML("content_items_" + i + "_href", ms.href.toNormalform(true, false));
|
|
prop.putHTML("content_items_" + i + "_hrefshort", nxTools.shortenURLString(ms.href.toNormalform(true, false), urllength));
|
|
prop.putHTML("content_items_" + i + "_name", shorten(ms.name, namelength));
|
|
prop.put("content_items_" + i + "_col", (col) ? "0" : "1");
|
|
c++;
|
|
col = !col;
|
|
}
|
|
prop.put("content_items", c);
|
|
} else {
|
|
prop.put("content_items", "0");
|
|
}
|
|
return prop;
|
|
}
|
|
|
|
return prop;
|
|
}
|
|
|
|
private static String shorten(final String s, final int length) {
|
|
if (s.length() <= length) return s;
|
|
final int p = s.lastIndexOf('.');
|
|
if (p < 0) return s.substring(0, length - 3) + "...";
|
|
return s.substring(0, length - (s.length() - p) - 3) + "..." + s.substring(p);
|
|
}
|
|
|
|
}
|