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yacy_search_server/htroot/IndexControl_p.java

427 lines
23 KiB

// IndexControl_p.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
// last change: 02.05.2004
//
// 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 IndexControl_p.java
// if the shell's current path is HTROOT
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Enumeration;
import java.util.HashSet;
import java.util.HashMap;
import java.util.Iterator;
import de.anomic.htmlFilter.htmlFilterContentScraper;
import de.anomic.http.httpHeader;
import de.anomic.plasma.plasmaCrawlLURL;
import de.anomic.plasma.plasmaSwitchboard;
import de.anomic.plasma.plasmaURL;
import de.anomic.plasma.plasmaWordIndexEntity;
import de.anomic.plasma.plasmaWordIndexEntry;
import de.anomic.server.serverObjects;
import de.anomic.server.serverSwitch;
import de.anomic.yacy.yacyClient;
import de.anomic.yacy.yacyCore;
import de.anomic.yacy.yacySeed;
public class IndexControl_p {
public static serverObjects respond(httpHeader header, serverObjects post, serverSwitch env) {
// return variable that accumulates replacements
plasmaSwitchboard switchboard = (plasmaSwitchboard) env;
serverObjects prop = new serverObjects();
if ((post == null) || (env == null)) {
prop.put("keystring", "");
prop.put("keyhash", "");
prop.put("urlstring", "");
prop.put("urlhash", "");
prop.put("result", "");
prop.put("wcount", Integer.toString(switchboard.wordIndex.size()));
prop.put("ucount", Integer.toString(switchboard.urlPool.loadedURL.size()));
prop.put("otherHosts", "");
prop.put("indexDistributeChecked", (switchboard.getConfig("allowDistributeIndex", "true").equals("true")) ? "checked" : "");
prop.put("indexDistributeWhileCrawling", (switchboard.getConfig("allowDistributeIndexWhileCrawling", "true").equals("true")) ? "checked" : "");
prop.put("indexReceiveChecked", (switchboard.getConfig("allowReceiveIndex", "true").equals("true")) ? "checked" : "");
prop.put("indexReceiveBlockBlacklistChecked", (switchboard.getConfig("indexReceiveBlockBlacklist", "true").equals("true")) ? "checked" : "");
return prop; // be save
}
// default values
String keystring = ((String) post.get("keystring")).trim();
String keyhash = ((String) post.get("keyhash")).trim();
String urlstring = ((String) post.get("urlstring")).trim();
String urlhash = ((String) post.get("urlhash")).trim();
if ((!(urlstring.startsWith("http://"))) && (!(urlstring.startsWith("https://")))) urlstring = "http://" + urlstring;
prop.put("keystring", keystring);
prop.put("keyhash", keyhash);
prop.put("urlstring", urlstring);
prop.put("urlhash", urlhash);
prop.put("result", "");
// read values from checkboxes
String[] urlx = post.getAll("urlhx.*");
boolean delurl = post.containsKey("delurl");
boolean delurlref = post.containsKey("delurlref");
//System.out.println("DEBUG CHECK: " + ((delurl) ? "delurl" : "") + " " + ((delurlref) ? "delurlref" : ""));
if (post.containsKey("setIndexTransmission")) {
boolean allowDistributeIndex = ((String) post.get("indexDistribute", "")).equals("on");
switchboard.setConfig("allowDistributeIndex", (allowDistributeIndex) ? "true" : "false");
if (allowDistributeIndex) switchboard.indexDistribution.enable(); else switchboard.indexDistribution.disable();
boolean allowDistributeIndexWhileCrawling = post.containsKey("indexDistributeWhileCrawling");
switchboard.setConfig("allowDistributeIndexWhileCrawling", (allowDistributeIndexWhileCrawling) ? "true" : "false");
if (allowDistributeIndexWhileCrawling) switchboard.indexDistribution.enableWhileCrawling(); else switchboard.indexDistribution.disableWhileCrawling();
boolean allowReceiveIndex = ((String) post.get("indexReceive", "")).equals("on");
switchboard.setConfig("allowReceiveIndex", (allowReceiveIndex) ? "true" : "false");
yacyCore.seedDB.mySeed.setFlagAcceptRemoteIndex(allowReceiveIndex);
boolean indexReceiveBlockBlacklist = ((String) post.get("indexReceiveBlockBlacklist", "")).equals("on");
switchboard.setConfig("indexReceiveBlockBlacklist", (indexReceiveBlockBlacklist) ? "true" : "false");
}
if (post.containsKey("keyhashdeleteall")) {
if ((delurl) || (delurlref)) {
// generate an urlx array
try {
HashSet keyhashes = new HashSet();
keyhashes.add(keyhash);
plasmaWordIndexEntity index = switchboard.searchManager.searchHashes(keyhashes, 10000);
Enumeration en = index.elements(true);
int i = 0;
urlx = new String[index.size()];
while (en.hasMoreElements()) urlx[i++] = ((plasmaWordIndexEntry) en.nextElement()).getUrlHash();
index.close();
} catch (IOException e) {
urlx = new String[0];
}
}
if (delurlref) for (int i = 0; i < urlx.length; i++) switchboard.removeAllUrlReferences(urlx[i], true);
if ((delurl) || (delurlref)) for (int i = 0; i < urlx.length; i++) switchboard.urlPool.loadedURL.remove(urlx[i]);
switchboard.wordIndex.deleteIndex(keyhash);
post.remove("keyhashdeleteall");
if ((keystring.length() > 0) && (plasmaWordIndexEntry.word2hash(keystring).equals(keyhash)))
post.put("keystringsearch", "generated");
else
post.put("keyhashsearch", "generated");
}
if (post.containsKey("keyhashdelete")) {
if (delurlref) for (int i = 0; i < urlx.length; i++) switchboard.removeAllUrlReferences(urlx[i], true);
if ((delurl) || (delurlref)) for (int i = 0; i < urlx.length; i++) switchboard.urlPool.loadedURL.remove(urlx[i]);
switchboard.wordIndex.removeEntries(keyhash, urlx, true);
// 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");
if ((keystring.length() > 0) && (plasmaWordIndexEntry.word2hash(keystring).equals(keyhash)))
post.put("keystringsearch", "generated");
else
post.put("keyhashsearch", "generated");
//prop.put("result", "Delete of relation of url hashes " + result + " to key hash " + keyhash);
}
if (post.containsKey("urlhashdeleteall")) {
int i = switchboard.removeAllUrlReferences(urlhash, true);
prop.put("result", "Deleted URL and " + i + " references from " + i + " word indexes.");
}
if (post.containsKey("urlhashdelete")) {
plasmaCrawlLURL.Entry entry = switchboard.urlPool.loadedURL.getEntry(urlhash);
URL url = entry.url();
if (url == null) {
prop.put("result", "No Entry for URL hash " + urlhash + "; nothing deleted.");
} else {
urlstring = htmlFilterContentScraper.urlNormalform(url);
prop.put("urlstring", "");
switchboard.urlPool.loadedURL.remove(urlhash);
prop.put("result", "Removed URL " + urlstring);
}
}
if (post.containsKey("keystringsearch")) {
keyhash = plasmaWordIndexEntry.word2hash(keystring);
prop.put("keyhash", keyhash);
prop.put("urlstring", "");
prop.put("urlhash", "");
prop.put("result", genUrlList(switchboard, keyhash, keystring));
}
if (post.containsKey("keyhashsearch")) {
if ((keystring.length() == 0) || (!(plasmaWordIndexEntry.word2hash(keystring).equals(keyhash))))
prop.put("keystring", "<not possible to compute word from hash>");
prop.put("urlstring", "");
prop.put("urlhash", "");
prop.put("result", genUrlList(switchboard, keyhash, ""));
}
if (post.containsKey("keyhashtransfer")) {
if ((keystring.length() == 0) || (!(plasmaWordIndexEntry.word2hash(keystring).equals(keyhash))))
prop.put("keystring", "<not possible to compute word from hash>");
prop.put("urlstring", "");
prop.put("urlhash", "");
plasmaWordIndexEntity[] indexes = new plasmaWordIndexEntity[1];
String result;
long starttime = System.currentTimeMillis();
indexes[0] = switchboard.wordIndex.getEntity(keyhash, true);
// built urlCache
Enumeration urlEnum = indexes[0].elements(true);
HashMap knownURLs = new HashMap();
HashSet unknownURLEntries = new HashSet();
plasmaWordIndexEntry indexEntry;
plasmaCrawlLURL.Entry lurl;
while (urlEnum.hasMoreElements()) {
indexEntry = (plasmaWordIndexEntry) urlEnum.nextElement();
lurl = switchboard.urlPool.loadedURL.getEntry(indexEntry.getUrlHash());
if (lurl == null) {
unknownURLEntries.add(indexEntry.getUrlHash());
} else {
if (lurl.toString() == null) {
switchboard.urlPool.loadedURL.remove(indexEntry.getUrlHash());
unknownURLEntries.add(indexEntry.getUrlHash());
} else {
knownURLs.put(indexEntry.getUrlHash(), lurl);
}
}
}
// now delete all entries that have no url entry
Iterator hashIter = unknownURLEntries.iterator();
while (hashIter.hasNext()) try {
indexes[0].removeEntry((String) hashIter.next(), false);
} catch (IOException e) {}
// use whats remaining
result = yacyClient.transferIndex(yacyCore.seedDB.getConnected(post.get("hostHash", "")), indexes, knownURLs);
prop.put("result", (result == null) ? ("Successfully transferred " + indexes[0].size() + " words in " + ((System.currentTimeMillis() - starttime) / 1000) + " seconds") : result);
try {indexes[0].close();} catch (IOException e) {}
}
if (post.containsKey("keyhashsimilar")) {
Iterator hashIt = switchboard.wordIndex.wordHashes(keyhash, true, true);
String result = "Sequential List of Word-Hashes:<br>";
String hash;
int i = 0;
while ((hashIt.hasNext()) && (i < 256)) {
hash = (String) hashIt.next();
result += "<a href=\"/IndexControl_p.html?" +
"keystring=" +
"&keyhash=" + hash +
"&urlhash=" +
"&urlstring=" +
"&keyhashsearch=" +
"\" class=\"tt\">" + hash + "</a> " + (((i + 1) % 8 == 0) ? "<br>" : "");
i++;
}
prop.put("result", result);
}
if (post.containsKey("urlstringsearch")) {
try {
URL url = new URL(urlstring);
urlhash = plasmaURL.urlHash(url);
prop.put("urlhash", urlhash);
plasmaCrawlLURL.Entry entry = switchboard.urlPool.loadedURL.getEntry(urlhash);
prop.put("result", genUrlProfile(switchboard, entry, urlhash));
} catch (MalformedURLException e) {
prop.put("urlstring", "wrong url: " + urlstring);
prop.put("urlhash", "");
}
}
if (post.containsKey("urlhashsearch")) {
plasmaCrawlLURL.Entry entry = switchboard.urlPool.loadedURL.getEntry(urlhash);
URL url = entry.url();
if (url == null) {
prop.put("result", "No Entry for URL hash " + urlhash);
} else {
urlstring = url.toString();
prop.put("urlstring", urlstring);
prop.put("result", genUrlProfile(switchboard, entry, urlhash));
}
}
if (post.containsKey("urlhashsimilar")) {
try {
Iterator hashIt = switchboard.urlPool.loadedURL.urlHashes(urlhash, true);
String result = "Sequential List of URL-Hashes:<br>";
String hash;
int i = 0;
while ((hashIt.hasNext()) && (i < 256)) {
hash = (String) hashIt.next();
result += "<a href=\"/IndexControl_p.html?" +
"keystring=" +
"&keyhash=" +
"&urlhash=" + hash +
"&urlstring=" +
"&urlhashsearch=" +
"\" class=\"tt\">" + hash + "</a> " + (((i + 1) % 8 == 0) ? "<br>" : "");
i++;
}
prop.put("result", result);
} catch (IOException e) {
prop.put("result", "Error: " + e.getMessage());
}
}
//List known hosts
yacySeed seed;
int hc = 0;
if ((yacyCore.seedDB != null) && (yacyCore.seedDB.sizeConnected() > 0)) {
Enumeration e = yacyCore.dhtAgent.getAcceptRemoteIndexSeeds(keyhash);
while (e.hasMoreElements()) {
seed = (yacySeed) e.nextElement();
if (seed != null) {
prop.put("hosts_" + hc + "_hosthash", seed.hash);
prop.put("hosts_" + hc + "_hostname", /*seed.hash + " " +*/ seed.get("Name", "nameless"));
hc++;
}
}
prop.put("hosts", Integer.toString(hc));
} else {
prop.put("hosts", "0");
}
// insert constants
prop.put("wcount", Integer.toString(switchboard.wordIndex.size()));
prop.put("ucount", Integer.toString(switchboard.urlPool.loadedURL.size()));
prop.put("indexDistributeChecked", (switchboard.getConfig("allowDistributeIndex", "true").equals("true")) ? "checked" : "");
prop.put("indexDistributeWhileCrawling", (switchboard.getConfig("allowDistributeIndexWhileCrawling", "true").equals("true")) ? "checked" : "");
prop.put("indexReceiveChecked", (switchboard.getConfig("allowReceiveIndex", "true").equals("true")) ? "checked" : "");
prop.put("indexReceiveBlockBlacklistChecked", (switchboard.getConfig("indexReceiveBlockBlacklist", "true").equals("true")) ? "checked" : "");
// return rewrite properties
return prop;
}
public static String genUrlProfile(plasmaSwitchboard switchboard, plasmaCrawlLURL.Entry entry, String urlhash) {
if (entry == null) return "No entry found for URL-hash " + urlhash;
URL url = entry.url();
if (url == null) return "No entry found for URL-hash " + urlhash;
String result = "<table>" +
"<tr><td class=\"small\">URL String</td><td class=\"tt\">" + htmlFilterContentScraper.urlNormalform(url) + "</td></tr>" +
"<tr><td class=\"small\">Hash</td><td class=\"tt\">" + urlhash + "</td></tr>" +
"<tr><td class=\"small\">Description</td><td class=\"tt\">" + entry.descr() + "</td></tr>" +
"<tr><td class=\"small\">Modified-Date</td><td class=\"tt\">" + entry.moddate() + "</td></tr>" +
"<tr><td class=\"small\">Loaded-Date</td><td class=\"tt\">" + entry.loaddate() + "</td></tr>" +
"<tr><td class=\"small\">Referrer</td><td class=\"tt\">" + switchboard.urlPool.loadedURL.getEntry(entry.referrerHash()).url() + "</td></tr>" +
"<tr><td class=\"small\">Doctype</td><td class=\"tt\">" + entry.doctype() + "</td></tr>" +
"<tr><td class=\"small\">Copy-Count</td><td class=\"tt\">" + entry.copyCount() + "</td></tr>" +
"<tr><td class=\"small\">Local-Flag</td><td class=\"tt\">" + entry.local() + "</td></tr>" +
"<tr><td class=\"small\">Quality</td><td class=\"tt\">" + entry.quality() + "</td></tr>" +
"<tr><td class=\"small\">Language</td><td class=\"tt\">" + entry.language() + "</td></tr>" +
"<tr><td class=\"small\">Size</td><td class=\"tt\">" + entry.size() + "</td></tr>" +
"<tr><td class=\"small\">Words</td><td class=\"tt\">" + entry.wordCount() + "</td></tr>" +
"</table><br>";
result +=
"<form action=\"IndexControl_p.html\" method=\"post\" enctype=\"multipart/form-data\">" +
"<input type=\"hidden\" name=\"keystring\" value=\"\">" +
"<input type=\"hidden\" name=\"keyhash\" value=\"\">" +
"<input type=\"hidden\" name=\"urlstring\" value=\"\">" +
"<input type=\"hidden\" name=\"urlhash\" value=\"" + urlhash + "\">" +
"<input type=\"submit\" value=\"Delete URL\" name=\"urlhashdelete\"><br>" +
"<span class=\"small\">&nbsp;this may produce unresolved references at other word indexes but they do not harm</span><br><br>" +
"<input type=\"submit\" value=\"Delete URL and remove all references from words\" name=\"urlhashdeleteall\"><br>" +
"<span class=\"small\">&nbsp;delete the reference to this url at every other word where the reference exists (very extensive, but prevents unresolved references)</span><br>" +
"</form>";
return result;
}
public static String genUrlList(plasmaSwitchboard switchboard, String keyhash, String keystring) {
// search for a word hash and generate a list of url links
try {
HashSet keyhashes = new HashSet();
keyhashes.add(keyhash);
plasmaWordIndexEntity index = switchboard.searchManager.searchHashes(keyhashes, 10000);
String result = "";
if (index.size() == 0) {
result = "No URL entries related to this word hash <span class=\"tt\">" + keyhash + "</span>.";
} else {
Enumeration en = index.elements(true);
plasmaWordIndexEntry ie;
result = "URL entries related to this word hash <span class=\"tt\">" + keyhash + "</span>:<br>";
result += "<form action=\"IndexControl_p.html\" method=\"post\" enctype=\"multipart/form-data\">";
String us, uh;
int i = 0;
while (en.hasMoreElements()) {
ie = (plasmaWordIndexEntry) en.nextElement();
uh = ie.getUrlHash();
result +=
"<input type=\"checkbox\" name=\"urlhx" + i++ + "\" value=\"" + uh + "\" align=\"top\">";
if (switchboard.urlPool.loadedURL.exists(uh)) {
us = switchboard.urlPool.loadedURL.getEntry(uh).url().toString();
result +=
"<a href=\"/IndexControl_p.html?" + "keystring=" + keystring +
"&keyhash=" + keyhash + "&urlhash=" + uh + "&urlstringsearch=" + "&urlstring=" + us +
"\" class=\"tt\">" + uh + "</a><span class=\"tt\">&nbsp;" + us + "</span><br>";
} else {
result +=
"<span class=\"tt\">" + uh + "&nbsp;&lt;unresolved URL Hash&gt;</span><br>";
}
}
result +=
"<input type=\"hidden\" name=\"keystring\" value=\"" + keystring + "\">" +
"<input type=\"hidden\" name=\"keyhash\" value=\"" + keyhash + "\">" +
"<input type=\"hidden\" name=\"urlstring\" value=\"\">" +
"<input type=\"hidden\" name=\"urlhash\" value=\"\">" +
"<br><fieldset><legend>Reference Deletion</legend><table border=\"0\" cellspacing=\"5\" cellpadding=\"5\"><tr valign=\"top\"><td><br><br>" +
"<input type=\"submit\" value=\"Delete reference to selected URLs\" name=\"keyhashdelete\"><br><br>" +
"<input type=\"submit\" value=\"Delete reference to ALL URLs\" name=\"keyhashdeleteall\"><span class=\"small\"><br>&nbsp;&nbsp;(= delete Word)</span>" +
"</td><td width=\"150\">" +
"<center><input type=\"checkbox\" name=\"delurl\" value=\"\" align=\"top\" checked></center><br>" +
"<span class=\"small\">delete also the referenced URL itself (reasonable and recommended, may produce unresolved references at other word indexes but they do not harm)</span>" +
"</td><td width=\"150\">" +
"<center><input type=\"checkbox\" name=\"delurlref\" value=\"\" align=\"top\"></center><br>" +
"<span class=\"small\">for every resolveable and deleted URL reference, delete the same reference at every other word where the reference exists (very extensive, but prevents further unresolved references)</span>" +
"</td></tr></table></fieldset></form>";
}
index.close();
return result;
} catch (IOException e) {
return "";
}
}
}