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yacy_search_server/htroot/IndexControlRWIs_p.java

506 lines
27 KiB

// IndexControlRWIs_p.java
// -----------------------
// (C) 2004-2007 by Michael Peter Christen; mc@yacy.net, Frankfurt a. M., Germany
// first published 2004 on http://yacy.net
//
// This is a part of YaCy, a peer-to-peer based web search engine
//
// $LastChangedDate: 2007-11-14 01:15:28 +0000 (Mi, 14 Nov 2007) $
// $LastChangedRevision: 4216 $
// $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.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Date;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import de.anomic.data.AbstractBlacklist;
import de.anomic.data.Blacklist;
import de.anomic.data.listManager;
import de.anomic.http.httpRequestHeader;
import de.anomic.kelondro.order.Bitfield;
import de.anomic.kelondro.text.Reference;
import de.anomic.kelondro.text.ReferenceContainer;
import de.anomic.kelondro.text.ReferenceContainerCache;
import de.anomic.kelondro.text.Segment;
import de.anomic.kelondro.text.metadataPrototype.URLMetadataRow;
import de.anomic.kelondro.text.referencePrototype.WordReference;
import de.anomic.kelondro.text.referencePrototype.WordReferenceRow;
import de.anomic.kelondro.util.DateFormatter;
import de.anomic.plasma.plasmaSearchEvent;
import de.anomic.plasma.plasmaSearchQuery;
import de.anomic.plasma.plasmaSearchRankingProcess;
import de.anomic.plasma.plasmaSwitchboard;
import de.anomic.plasma.parser.Condenser;
import de.anomic.plasma.parser.Word;
import de.anomic.server.serverObjects;
import de.anomic.server.serverSwitch;
import de.anomic.yacy.yacyClient;
import de.anomic.yacy.yacySeed;
import de.anomic.yacy.yacyURL;
import de.anomic.yacy.dht.PeerSelection;
public class IndexControlRWIs_p {
public static serverObjects respond(final httpRequestHeader header, final serverObjects post, final serverSwitch<?> env) {
// return variable that accumulates replacements
final plasmaSwitchboard sb = (plasmaSwitchboard) env;
final serverObjects prop = new serverObjects();
prop.putHTML("keystring", "");
prop.put("keyhash", "");
prop.put("result", "");
// switch off all optional forms/lists
prop.put("searchresult", 0);
prop.put("keyhashsimilar", 0);
prop.put("genUrlList", 0);
// clean up all search events
plasmaSearchEvent.cleanupEvents(true);
if (post != null) {
// default values
final String keystring = post.get("keystring", "").trim();
byte[] keyhash = post.get("keyhash", "").trim().getBytes();
prop.putHTML("keystring", keystring);
prop.putHTML("keyhash", new String(keyhash));
// read values from checkboxes
String[] urlx = post.getAll("urlhx.*");
final boolean delurl = post.containsKey("delurl");
final boolean delurlref = post.containsKey("delurlref");
if (post.containsKey("keystringsearch")) {
keyhash = Word.word2hash(keystring);
prop.put("keyhash", keyhash);
final plasmaSearchRankingProcess ranking = genSearchresult(prop, sb, keyhash, null);
if (ranking.filteredCount() == 0) {
prop.put("searchresult", 1);
prop.putHTML("searchresult_word", keystring);
}
}
if (post.containsKey("keyhashsearch")) {
if (keystring.length() == 0 || !new String(Word.word2hash(keystring)).equals(new String(keyhash))) {
prop.put("keystring", "&lt;not possible to compute word from hash&gt;");
}
final plasmaSearchRankingProcess ranking = genSearchresult(prop, sb, keyhash, null);
if (ranking.filteredCount() == 0) {
prop.put("searchresult", 2);
prop.putHTML("searchresult_wordhash", new String(keyhash));
}
}
// delete everything
if (post.containsKey("deletecomplete") && post.containsKey("confirmDelete")) {
sb.indexSegment.clear();
sb.crawlQueues.clear();
sb.crawlStacker.clear();
try {
sb.robots.clear();
} catch (final IOException e) {
e.printStackTrace();
}
post.remove("deletecomplete");
}
// delete word
if (post.containsKey("keyhashdeleteall")) try {
if (delurl || delurlref) {
// generate an urlx array
ReferenceContainer<WordReference> index = null;
index = sb.indexSegment.termIndex().get(keyhash, null);
final Iterator<WordReference> en = index.entries();
int i = 0;
urlx = new String[index.size()];
while (en.hasNext()) {
urlx[i++] = en.next().metadataHash();
}
index = null;
}
if (delurlref) {
for (int i = 0; i < urlx.length; i++) sb.removeAllUrlReferences(urlx[i], true);
}
if (delurl || delurlref) {
for (int i = 0; i < urlx.length; i++) {
sb.urlRemove(urlx[i]);
}
}
sb.indexSegment.termIndex().delete(keyhash);
post.remove("keyhashdeleteall");
post.put("urllist", "generated");
} catch (IOException e) {
e.printStackTrace();
}
// delete selected URLs
if (post.containsKey("keyhashdelete")) try {
if (delurlref) {
for (int i = 0; i < urlx.length; i++) sb.removeAllUrlReferences(urlx[i], true);
}
if (delurl || delurlref) {
for (int i = 0; i < urlx.length; i++) {
sb.urlRemove(urlx[i]);
}
}
final Set<String> urlHashes = new HashSet<String>();
for (int i = 0; i < urlx.length; i++) urlHashes.add(urlx[i]);
sb.indexSegment.termIndex().remove(keyhash, urlHashes);
// this shall lead to a presentation of the list; so handle that the remaining program
// thinks that it was called for a list presentation
post.remove("keyhashdelete");
post.put("urllist", "generated");
} catch (IOException e) {
e.printStackTrace();
}
if (post.containsKey("urllist")) {
if (keystring.length() == 0 || !new String(Word.word2hash(keystring)).equals(new String(keyhash))) {
prop.put("keystring", "&lt;not possible to compute word from hash&gt;");
}
final Bitfield flags = compileFlags(post);
final int count = (post.get("lines", "all").equals("all")) ? -1 : post.getInt("lines", -1);
final plasmaSearchRankingProcess ranking = genSearchresult(prop, sb, keyhash, flags);
genURLList(prop, keyhash, keystring, ranking, flags, count);
}
// transfer to other peer
if (post.containsKey("keyhashtransfer")) try {
if (keystring.length() == 0 || !new String(Word.word2hash(keystring)).equals(new String(keyhash))) {
prop.put("keystring", "&lt;not possible to compute word from hash&gt;");
}
// find host & peer
String host = post.get("host", ""); // get host from input field
yacySeed seed = null;
if (host.length() != 0) {
if (host.length() == 12) {
// the host string is a peer hash
seed = sb.peers.getConnected(host);
} else {
// the host string can be a host name
seed = sb.peers.lookupByName(host);
}
} else {
host = post.get("hostHash", ""); // if input field is empty, get from select box
seed = sb.peers.getConnected(host);
}
// prepare index
ReferenceContainer<WordReference> index;
final long starttime = System.currentTimeMillis();
index = sb.indexSegment.termIndex().get(keyhash, null);
// built urlCache
final Iterator<WordReference> urlIter = index.entries();
final HashMap<String, URLMetadataRow> knownURLs = new HashMap<String, URLMetadataRow>();
final HashSet<String> unknownURLEntries = new HashSet<String>();
Reference iEntry;
URLMetadataRow lurl;
while (urlIter.hasNext()) {
iEntry = urlIter.next();
lurl = sb.indexSegment.urlMetadata().load(iEntry.metadataHash(), null, 0);
if (lurl == null) {
unknownURLEntries.add(iEntry.metadataHash());
urlIter.remove();
} else {
knownURLs.put(iEntry.metadataHash(), lurl);
}
}
// make an indexContainerCache
ReferenceContainerCache<WordReference> icc = new ReferenceContainerCache<WordReference>(Segment.wordReferenceFactory, index.rowdef, Segment.wordOrder);
icc.add(index);
// transport to other peer
final String gzipBody = sb.getConfig("indexControl.gzipBody","false");
final int timeout = (int) sb.getConfigLong("indexControl.timeout",60000);
final String error = yacyClient.transferIndex(
seed,
icc,
knownURLs,
"true".equalsIgnoreCase(gzipBody),
timeout);
prop.put("result", (error == null) ? ("Successfully transferred " + knownURLs.size() + " words in " + ((System.currentTimeMillis() - starttime) / 1000) + " seconds, " + unknownURLEntries + " URL not found") : "error: " + error);
index = null;
} catch (IOException e) {
e.printStackTrace();
}
// generate list
if (post.containsKey("keyhashsimilar")) try {
final Iterator<ReferenceContainer<WordReference>> containerIt = sb.indexSegment.termIndex().references(keyhash, true, 256, false).iterator();
ReferenceContainer<WordReference> container;
int i = 0;
int rows = 0, cols = 0;
prop.put("keyhashsimilar", "1");
while (containerIt.hasNext() && i < 256) {
container = containerIt.next();
prop.put("keyhashsimilar_rows_"+rows+"_cols_"+cols+"_wordHash", container.getTermHash());
cols++;
if (cols==8) {
prop.put("keyhashsimilar_rows_"+rows+"_cols", cols);
cols = 0;
rows++;
}
i++;
}
prop.put("keyhashsimilar_rows_"+rows+"_cols", cols);
prop.put("keyhashsimilar_rows", rows + 1);
prop.put("result", "");
} catch (IOException e) {
e.printStackTrace();
}
if (post.containsKey("blacklist")) {
final String blacklist = post.get("blacklist", "");
final Set<String> urlHashes = new HashSet<String>();
if (post.containsKey("blacklisturls")) {
PrintWriter pw;
try {
final String[] supportedBlacklistTypes = env.getConfig("BlackLists.types", "").split(",");
pw = new PrintWriter(new FileWriter(new File(listManager.listsPath, blacklist), true));
yacyURL url;
for (int i=0; i<urlx.length; i++) {
urlHashes.add(urlx[i]);
final URLMetadataRow e = sb.indexSegment.urlMetadata().load(urlx[i], null, 0);
sb.indexSegment.urlMetadata().remove(urlx[i]);
if (e != null) {
url = e.metadata().url();
pw.println(url.getHost() + "/" + url.getFile());
for (int blTypes=0; blTypes < supportedBlacklistTypes.length; blTypes++) {
if (listManager.listSetContains(supportedBlacklistTypes[blTypes] + ".BlackLists", blacklist)) {
plasmaSwitchboard.urlBlacklist.add(
supportedBlacklistTypes[blTypes],
url.getHost(),
url.getFile());
}
}
}
}
pw.close();
} catch (final IOException e) {
}
}
if (post.containsKey("blacklistdomains")) {
PrintWriter pw;
try {
final String[] supportedBlacklistTypes = AbstractBlacklist.BLACKLIST_TYPES_STRING.split(",");
pw = new PrintWriter(new FileWriter(new File(listManager.listsPath, blacklist), true));
yacyURL url;
for (int i=0; i<urlx.length; i++) {
urlHashes.add(urlx[i]);
final URLMetadataRow e = sb.indexSegment.urlMetadata().load(urlx[i], null, 0);
sb.indexSegment.urlMetadata().remove(urlx[i]);
if (e != null) {
url = e.metadata().url();
pw.println(url.getHost() + "/.*");
for (int blTypes=0; blTypes < supportedBlacklistTypes.length; blTypes++) {
if (listManager.listSetContains(supportedBlacklistTypes[blTypes] + ".BlackLists", blacklist)) {
plasmaSwitchboard.urlBlacklist.add(
supportedBlacklistTypes[blTypes],
url.getHost(), ".*");
}
}
}
}
pw.close();
} catch (final IOException e) {
}
}
try {
sb.indexSegment.termIndex().remove(keyhash, urlHashes);
} catch (IOException e) {
e.printStackTrace();
}
}
if (prop.getInt("searchresult", 0) == 3) listHosts(prop, keyhash, sb);
}
// insert constants
prop.putNum("wcount", sb.indexSegment.termIndex().size());
// return rewrite properties
return prop;
}
public static void genURLList(final serverObjects prop, final byte[] keyhash, final String keystring, final plasmaSearchRankingProcess ranked, final Bitfield flags, final int maxlines) {
// search for a word hash and generate a list of url links
prop.put("genUrlList_keyHash", new String(keyhash));
if (ranked.filteredCount() == 0) {
prop.put("genUrlList", 1);
prop.put("genUrlList_count", 0);
prop.put("searchresult", 2);
} else {
prop.put("genUrlList", 2);
prop.put("searchresult", 3);
prop.put("genUrlList_flags", (flags == null) ? "" : flags.exportB64());
prop.put("genUrlList_lines", maxlines);
int i = 0;
yacyURL url;
URLMetadataRow entry;
String us;
long rn = -1;
while ((ranked.size() > 0) && ((entry = ranked.bestURL(false)) != null)) {
if ((entry == null) || (entry.metadata() == null)) continue;
url = entry.metadata().url();
if (url == null) continue;
us = url.toNormalform(false, false);
if (rn == -1) rn = entry.ranking();
prop.put("genUrlList_urlList_"+i+"_urlExists", "1");
prop.put("genUrlList_urlList_"+i+"_urlExists_urlhxCount", i);
prop.putHTML("genUrlList_urlList_"+i+"_urlExists_urlhxValue", entry.word().metadataHash());
prop.putHTML("genUrlList_urlList_"+i+"_urlExists_keyString", keystring);
prop.put("genUrlList_urlList_"+i+"_urlExists_keyHash", new String(keyhash));
prop.putHTML("genUrlList_urlList_"+i+"_urlExists_urlString", us);
prop.put("genUrlList_urlList_"+i+"_urlExists_urlStringShort", (us.length() > 40) ? (us.substring(0, 20) + "<br>" + us.substring(20, 40) + "...") : ((us.length() > 30) ? (us.substring(0, 20) + "<br>" + us.substring(20)) : us));
prop.putNum("genUrlList_urlList_"+i+"_urlExists_ranking", (entry.ranking() - rn));
prop.putNum("genUrlList_urlList_"+i+"_urlExists_domlength", yacyURL.domLengthEstimation(entry.hash()));
prop.putNum("genUrlList_urlList_"+i+"_urlExists_ybr", plasmaSearchRankingProcess.ybr(entry.hash()));
prop.putNum("genUrlList_urlList_"+i+"_urlExists_tf", 1000.0 * entry.word().termFrequency());
prop.putNum("genUrlList_urlList_"+i+"_urlExists_authority", (ranked.getOrder() == null) ? -1 : ranked.getOrder().authority(entry.hash()));
prop.put("genUrlList_urlList_"+i+"_urlExists_date", DateFormatter.formatShortDay(new Date(entry.word().lastModified())));
prop.putNum("genUrlList_urlList_"+i+"_urlExists_wordsintitle", entry.word().wordsintitle());
prop.putNum("genUrlList_urlList_"+i+"_urlExists_wordsintext", entry.word().wordsintext());
prop.putNum("genUrlList_urlList_"+i+"_urlExists_phrasesintext", entry.word().phrasesintext());
prop.putNum("genUrlList_urlList_"+i+"_urlExists_llocal", entry.word().llocal());
prop.putNum("genUrlList_urlList_"+i+"_urlExists_lother", entry.word().lother());
prop.putNum("genUrlList_urlList_"+i+"_urlExists_hitcount", entry.word().hitcount());
prop.putNum("genUrlList_urlList_"+i+"_urlExists_worddistance", 0);
prop.putNum("genUrlList_urlList_"+i+"_urlExists_pos", entry.word().minposition());
prop.putNum("genUrlList_urlList_"+i+"_urlExists_phrase", entry.word().posofphrase());
prop.putNum("genUrlList_urlList_"+i+"_urlExists_posinphrase", entry.word().posinphrase());
prop.putNum("genUrlList_urlList_"+i+"_urlExists_urlcomps", entry.word().urlcomps());
prop.putNum("genUrlList_urlList_"+i+"_urlExists_urllength", entry.word().urllength());
prop.put("genUrlList_urlList_"+i+"_urlExists_props",
((entry.word().flags().get(Condenser.flag_cat_indexof)) ? "appears on index page, " : "") +
((entry.word().flags().get(Condenser.flag_cat_hasimage)) ? "contains images, " : "") +
((entry.word().flags().get(Condenser.flag_cat_hasaudio)) ? "contains audio, " : "") +
((entry.word().flags().get(Condenser.flag_cat_hasvideo)) ? "contains video, " : "") +
((entry.word().flags().get(Condenser.flag_cat_hasapp)) ? "contains applications, " : "") +
((entry.word().flags().get(WordReferenceRow.flag_app_dc_identifier)) ? "appears in url, " : "") +
((entry.word().flags().get(WordReferenceRow.flag_app_dc_title)) ? "appears in title, " : "") +
((entry.word().flags().get(WordReferenceRow.flag_app_dc_creator)) ? "appears in author, " : "") +
((entry.word().flags().get(WordReferenceRow.flag_app_dc_subject)) ? "appears in subject, " : "") +
((entry.word().flags().get(WordReferenceRow.flag_app_dc_description)) ? "appears in description, " : "") +
((entry.word().flags().get(WordReferenceRow.flag_app_emphasized)) ? "appears emphasized, " : "") +
((yacyURL.probablyRootURL(entry.word().metadataHash())) ? "probably root url" : "")
);
if (plasmaSwitchboard.urlBlacklist.isListed(Blacklist.BLACKLIST_DHT, url)) {
prop.put("genUrlList_urlList_"+i+"_urlExists_urlhxChecked", "1");
}
i++;
if ((maxlines >= 0) && (i >= maxlines)) break;
}
final Iterator<String> iter = ranked.miss(); // iterates url hash strings
while (iter.hasNext()) {
us = iter.next();
prop.put("genUrlList_urlList_"+i+"_urlExists", "0");
prop.put("genUrlList_urlList_"+i+"_urlExists_urlhxCount", i);
prop.putHTML("genUrlList_urlList_"+i+"_urlExists_urlhxValue", us);
i++;
}
prop.put("genUrlList_urlList", i);
prop.putHTML("genUrlList_keyString", keystring);
prop.put("genUrlList_count", i);
putBlacklists(prop, listManager.getDirListing(listManager.listsPath));
}
}
public static void putBlacklists(final serverObjects prop, final List<String> lists) {
prop.put("genUrlList_blacklists", lists.size());
int i = 0;
for (String list : lists)
prop.put("genUrlList_blacklists_" + i++ + "_name", list);
}
public static Bitfield compileFlags(final serverObjects post) {
final Bitfield b = new Bitfield(4);
if (post.get("allurl", "").equals("on")) return null;
if (post.get("flags") != null) {
if (post.get("flags","").length() == 0) return null;
return new Bitfield(4, post.get("flags"));
}
if (post.get("description", "").equals("on")) b.set(WordReferenceRow.flag_app_dc_description, true);
if (post.get("title", "").equals("on")) b.set(WordReferenceRow.flag_app_dc_title, true);
if (post.get("creator", "").equals("on")) b.set(WordReferenceRow.flag_app_dc_creator, true);
if (post.get("subject", "").equals("on")) b.set(WordReferenceRow.flag_app_dc_subject, true);
if (post.get("url", "").equals("on")) b.set(WordReferenceRow.flag_app_dc_identifier, true);
if (post.get("emphasized", "").equals("on")) b.set(WordReferenceRow.flag_app_emphasized, true);
if (post.get("image", "").equals("on")) b.set(Condenser.flag_cat_hasimage, true);
if (post.get("audio", "").equals("on")) b.set(Condenser.flag_cat_hasaudio, true);
if (post.get("video", "").equals("on")) b.set(Condenser.flag_cat_hasvideo, true);
if (post.get("app", "").equals("on")) b.set(Condenser.flag_cat_hasapp, true);
if (post.get("indexof", "").equals("on")) b.set(Condenser.flag_cat_indexof, true);
return b;
}
public static void listHosts(final serverObjects prop, final byte[] startHash, final plasmaSwitchboard sb) {
// list known hosts
yacySeed seed;
int hc = 0;
prop.put("searchresult_keyhash", startHash);
final Iterator<yacySeed> e = PeerSelection.getAcceptRemoteIndexSeeds(sb.peers, startHash, sb.peers.sizeConnected(), true);
while (e.hasNext()) {
seed = e.next();
if (seed != null) {
prop.put("searchresult_hosts_" + hc + "_hosthash", seed.hash);
prop.putHTML("searchresult_hosts_" + hc + "_hostname", seed.hash + " " + seed.get(yacySeed.NAME, "nameless"));
hc++;
}
}
prop.put("searchresult_hosts", hc);
}
public static plasmaSearchRankingProcess genSearchresult(final serverObjects prop, final plasmaSwitchboard sb, final byte[] keyhash, final Bitfield filter) {
final plasmaSearchQuery query = new plasmaSearchQuery(new String(keyhash), -1, sb.getRanking(), filter);
final plasmaSearchRankingProcess ranked = new plasmaSearchRankingProcess(sb.indexSegment, query, Integer.MAX_VALUE, 1);
ranked.execQuery();
if (ranked.filteredCount() == 0) {
prop.put("searchresult", 2);
prop.put("searchresult_wordhash", keyhash);
} else {
prop.put("searchresult", 3);
prop.put("searchresult_allurl", ranked.filteredCount());
prop.put("searchresult_description", ranked.flagCount()[WordReferenceRow.flag_app_dc_description]);
prop.put("searchresult_title", ranked.flagCount()[WordReferenceRow.flag_app_dc_title]);
prop.put("searchresult_creator", ranked.flagCount()[WordReferenceRow.flag_app_dc_creator]);
prop.put("searchresult_subject", ranked.flagCount()[WordReferenceRow.flag_app_dc_subject]);
prop.put("searchresult_url", ranked.flagCount()[WordReferenceRow.flag_app_dc_identifier]);
prop.put("searchresult_emphasized", ranked.flagCount()[WordReferenceRow.flag_app_emphasized]);
prop.put("searchresult_image", ranked.flagCount()[Condenser.flag_cat_hasimage]);
prop.put("searchresult_audio", ranked.flagCount()[Condenser.flag_cat_hasaudio]);
prop.put("searchresult_video", ranked.flagCount()[Condenser.flag_cat_hasvideo]);
prop.put("searchresult_app", ranked.flagCount()[Condenser.flag_cat_hasapp]);
prop.put("searchresult_indexof", ranked.flagCount()[Condenser.flag_cat_indexof]);
}
return ranked;
}
}