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yacy_search_server/htroot/IndexControl_p.java

521 lines
24 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
//
// $LastChangedDate$
// $LastChangedRevision$
// $LastChangedBy$
//
// 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 IndexControl_p.java
// if the shell's current path is HTROOT
import java.io.IOException;
import java.net.MalformedURLException;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
import java.util.TreeMap;
import de.anomic.http.httpHeader;
import de.anomic.index.indexContainer;
import de.anomic.index.indexRWIEntry;
import de.anomic.plasma.plasmaURL;
import de.anomic.index.indexURLEntry;
import de.anomic.net.URL;
import de.anomic.plasma.plasmaCondenser;
import de.anomic.plasma.plasmaSwitchboard;
import de.anomic.plasma.urlPattern.plasmaURLPattern;
import de.anomic.server.serverCodings;
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.wordIndex.loadedURL.size()));
prop.put("otherHosts", "");
prop.put("indexDistributeChecked", (switchboard.getConfig("allowDistributeIndex", "true").equals("true")) ? 1 : 0);
prop.put("indexDistributeWhileCrawling", (switchboard.getConfig("allowDistributeIndexWhileCrawling", "true").equals("true")) ? 1 : 0);
prop.put("indexReceiveChecked", (switchboard.getConfig("allowReceiveIndex", "true").equals("true")) ? 1 : 0);
prop.put("indexReceiveBlockBlacklistChecked", (switchboard.getConfig("indexReceiveBlockBlacklist", "true").equals("true")) ? 1 : 0);
prop.put("peertags", serverCodings.set2string(yacyCore.seedDB.mySeed.getPeerTags(), ",", false));
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" : ""));
// DHT control
if (post.containsKey("setIndexTransmission")) {
if (post.get("indexDistribute", "").equals("on")) {
switchboard.setConfig("allowDistributeIndex", "true");
} else {
switchboard.setConfig("allowDistributeIndex", "false");
}
if (post.get("indexDistributeWhileCrawling","").equals("on")) {
switchboard.setConfig("allowDistributeIndexWhileCrawling", "true");
} else {
switchboard.setConfig("allowDistributeIndexWhileCrawling", "false");
}
if (post.get("indexReceive", "").equals("on")) {
switchboard.setConfig("allowReceiveIndex", "true");
yacyCore.seedDB.mySeed.setFlagAcceptRemoteIndex(true);
} else {
switchboard.setConfig("allowReceiveIndex", "false");
yacyCore.seedDB.mySeed.setFlagAcceptRemoteIndex(false);
}
if (post.get("indexReceiveBlockBlacklist", "").equals("on")) {
switchboard.setConfig("indexReceiveBlockBlacklist", "true");
} else {
switchboard.setConfig("indexReceiveBlockBlacklist", "false");
}
if (post.containsKey("peertags")) {
yacyCore.seedDB.mySeed.setPeerTags(serverCodings.string2set((String) post.get("peertags"), ","));
}
}
// delete word
if (post.containsKey("keyhashdeleteall")) {
if (delurl || delurlref) {
// generate an urlx array
indexContainer index = null;
index = switchboard.wordIndex.getContainer(keyhash, null, -1);
Iterator en = index.entries();
int i = 0;
urlx = new String[index.size()];
while (en.hasNext()) {
urlx[i++] = ((indexRWIEntry) en.next()).urlHash();
}
index = null;
}
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.wordIndex.loadedURL.remove(urlx[i]);
}
}
switchboard.wordIndex.deleteContainer(keyhash);
post.remove("keyhashdeleteall");
if (keystring.length() > 0 &&
plasmaCondenser.word2hash(keystring).equals(keyhash)) {
post.put("keystringsearch", "generated");
} else {
post.put("keyhashsearch", "generated");
}
}
// delete selected URLs
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.wordIndex.loadedURL.remove(urlx[i]);
}
}
Set urlHashes = new HashSet();
for (int i = 0; i < urlx.length; i++) urlHashes.add(urlx[i]);
switchboard.wordIndex.removeEntries(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");
if (keystring.length() > 0 && plasmaCondenser.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")) {
//try {
int i = switchboard.removeAllUrlReferences(urlhash, true);
prop.put("result", "Deleted URL and " + i + " references from " + i + " word indexes.");
//} catch (IOException e) {
// prop.put("result", "Deleted nothing because the url-hash could not be resolved");
//}
}
if (post.containsKey("urlhashdelete")) {
indexURLEntry entry = switchboard.wordIndex.loadedURL.load(urlhash, null);
if (entry == null) {
prop.put("result", "No Entry for URL hash " + urlhash + "; nothing deleted.");
} else {
urlstring = entry.comp().url().toNormalform();
prop.put("urlstring", "");
switchboard.wordIndex.loadedURL.remove(urlhash);
prop.put("result", "Removed URL " + urlstring);
}
}
if (post.containsKey("keystringsearch")) {
keyhash = plasmaCondenser.word2hash(keystring);
prop.put("keyhash", keyhash);
prop.put("urlstring", "");
prop.put("urlhash", "");
prop.putAll(genUrlList(switchboard, keyhash, keystring));
}
if (post.containsKey("keyhashsearch")) {
if (keystring.length() == 0 || !plasmaCondenser.word2hash(keystring).equals(keyhash)) {
prop.put("keystring", "<not possible to compute word from hash>");
}
prop.put("urlstring", "");
prop.put("urlhash", "");
prop.putAll(genUrlList(switchboard, keyhash, ""));
}
// transfer to other peer
if (post.containsKey("keyhashtransfer")) {
if (keystring.length() == 0 || !plasmaCondenser.word2hash(keystring).equals(keyhash)) {
prop.put("keystring", "<not possible to compute word from hash>");
}
// 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 = yacyCore.seedDB.getConnected(host);
} else {
// the host string can be a host name
seed = yacyCore.seedDB.lookupByName(host);
}
} else {
host = post.get("hostHash", ""); // if input field is empty, get from select box
seed = yacyCore.seedDB.getConnected(host);
}
// prepare index
prop.put("urlstring", "");
prop.put("urlhash", "");
indexContainer index;
String result;
long starttime = System.currentTimeMillis();
index = switchboard.wordIndex.getContainer(keyhash, null, -1);
// built urlCache
Iterator urlIter = index.entries();
HashMap knownURLs = new HashMap();
HashSet unknownURLEntries = new HashSet();
indexRWIEntry iEntry;
indexURLEntry lurl;
while (urlIter.hasNext()) {
iEntry = (indexRWIEntry) urlIter.next();
lurl = switchboard.wordIndex.loadedURL.load(iEntry.urlHash(), null);
if (lurl == null) {
unknownURLEntries.add(iEntry.urlHash());
urlIter.remove();
} else {
knownURLs.put(iEntry.urlHash(), lurl);
}
}
// transport to other peer
String gzipBody = switchboard.getConfig("indexControl.gzipBody","false");
int timeout = (int) switchboard.getConfigLong("indexControl.timeout",60000);
HashMap resultObj = yacyClient.transferIndex(
seed,
new indexContainer[]{index},
knownURLs,
"true".equalsIgnoreCase(gzipBody),
timeout);
result = (String) resultObj.get("result");
prop.put("result", (result == null) ? ("Successfully transferred " + knownURLs.size() + " words in " + ((System.currentTimeMillis() - starttime) / 1000) + " seconds, " + unknownURLEntries + " URL not found") : result);
index = null;
}
// generate list
if (post.containsKey("keyhashsimilar")) {
final Iterator containerIt = switchboard.wordIndex.indexContainerSet(keyhash, false, true, 256).iterator();
indexContainer container;
int i = 0;
int rows = 0, cols = 0;
prop.put("keyhashsimilar", 1);
while (containerIt.hasNext() && i < 256) {
container = (indexContainer) containerIt.next();
prop.put("keyhashsimilar_rows_"+rows+"_cols_"+cols+"_wordHash", container.getWordHash());
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", "");
}
if (post.containsKey("urlstringsearch")) {
try {
URL url = new URL(urlstring);
urlhash = plasmaURL.urlHash(url);
prop.put("urlhash", urlhash);
indexURLEntry entry = switchboard.wordIndex.loadedURL.load(urlhash, null);
if (entry == null) {
prop.put("urlstring", "unknown url: " + urlstring);
prop.put("urlhash", "");
} else {
prop.putAll(genUrlProfile(switchboard, entry, urlhash));
}
} catch (MalformedURLException e) {
prop.put("urlstring", "bad url: " + urlstring);
prop.put("urlhash", "");
}
}
if (post.containsKey("urlhashsearch")) {
indexURLEntry entry = switchboard.wordIndex.loadedURL.load(urlhash, null);
if (entry == null) {
prop.put("result", "No Entry for URL hash " + urlhash);
} else {
prop.put("urlstring", entry.comp().url().toNormalform());
prop.putAll(genUrlProfile(switchboard, entry, urlhash));
}
}
// generate list
if (post.containsKey("urlhashsimilar")) {
try {
final Iterator entryIt = switchboard.wordIndex.loadedURL.entries(true, true, urlhash);
StringBuffer result = new StringBuffer("Sequential List of URL-Hashes:<br>");
indexURLEntry entry;
int i = 0;
int rows = 0, cols = 0;
prop.put("urlhashsimilar", 1);
while (entryIt.hasNext() && i < 256) {
entry = (indexURLEntry) entryIt.next();
prop.put("urlhashsimilar_rows_"+rows+"_cols_"+cols+"_urlHash", entry.hash());
cols++;
if (cols==8) {
prop.put("urlhashsimilar_rows_"+rows+"_cols", cols);
cols = 0;
rows++;
}
i++;
}
prop.put("urlhashsimilar_rows", rows);
prop.put("result", result.toString());
} catch (IOException e) {
prop.put("result", "No Entries for URL hash " + urlhash);
}
}
// 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(yacySeed.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.wordIndex.loadedURL.size()));
prop.put("indexDistributeChecked", (switchboard.getConfig("allowDistributeIndex", "true").equals("true")) ? 1 : 0);
prop.put("indexDistributeWhileCrawling", (switchboard.getConfig("allowDistributeIndexWhileCrawling", "true").equals("true")) ? 1 : 0);
prop.put("indexReceiveChecked", (switchboard.getConfig("allowReceiveIndex", "true").equals("true")) ? 1 : 0);
prop.put("indexReceiveBlockBlacklistChecked", (switchboard.getConfig("indexReceiveBlockBlacklist", "true").equals("true")) ? 1 : 0);
prop.put("peertags", serverCodings.set2string(yacyCore.seedDB.mySeed.getPeerTags(), ",", false));
// return rewrite properties
return prop;
}
public static serverObjects genUrlProfile(plasmaSwitchboard switchboard, indexURLEntry entry, String urlhash) {
serverObjects prop = new serverObjects();
if (entry == null) {
prop.put("genUrlProfile", 1);
prop.put("genUrlProfile_urlhash", urlhash);
return prop;
}
indexURLEntry.Components comp = entry.comp();
String referrer = null;
indexURLEntry le = switchboard.wordIndex.loadedURL.load(entry.referrerHash(), null);
if (le == null) {
referrer = "<unknown>";
} else {
referrer = le.comp().url().toNormalform();
}
if (comp.url() == null) {
prop.put("genUrlProfile", 1);
prop.put("genUrlProfile_urlhash", urlhash);
return prop;
}
prop.put("genUrlProfile", 2);
prop.put("genUrlProfile_urlNormalform", comp.url().toNormalform());
prop.put("genUrlProfile_urlhash", urlhash);
prop.put("genUrlProfile_urlDescr", comp.descr());
prop.put("genUrlProfile_moddate", entry.moddate());
prop.put("genUrlProfile_loaddate", entry.loaddate());
prop.put("genUrlProfile_referrer", referrer);
prop.put("genUrlProfile_doctype", ""+entry.doctype());
prop.put("genUrlProfile_language", entry.language());
prop.put("genUrlProfile_size", entry.size());
prop.put("genUrlProfile_wordCount", entry.wordCount());
return prop;
}
public static serverObjects genUrlList(plasmaSwitchboard switchboard, String keyhash, String keystring) {
// search for a word hash and generate a list of url links
serverObjects prop = new serverObjects();
indexContainer index = null;
try {
index = switchboard.wordIndex.getContainer(keyhash, null, -1);
prop.put("genUrlList_keyHash", keyhash);
if ((index == null) || (index.size() == 0)) {
prop.put("genUrlList", 1);
prop.put("genUrlList_count", 0);
} else {
final Iterator en = index.entries();
prop.put("genUrlList", 2);
String us;
String uh[] = new String[2];
int i = 0;
final TreeMap tm = new TreeMap();
indexRWIEntry xi;
while (en.hasNext()) {
xi = (indexRWIEntry) en.next();
uh = new String[]{xi.urlHash(), Integer.toString(xi.posintext())};
indexURLEntry le = switchboard.wordIndex.loadedURL.load(uh[0], null);
if (le == null) {
tm.put(uh[0], uh);
} else {
us = le.comp().url().toNormalform();
tm.put(us, uh);
}
}
URL url;
final Iterator iter = tm.keySet().iterator();
while (iter.hasNext()) {
us = iter.next().toString();
uh = (String[]) tm.get(us);
if (us.equals(uh[0])) {
prop.put("genUrlList_urlList_"+i+"_urlExists", 0);
prop.put("genUrlList_urlList_"+i+"_urlExists_urlhxCount", i);
prop.put("genUrlList_urlList_"+i+"_urlExists_urlhxValue", uh[0]);
} else {
prop.put("genUrlList_urlList_"+i+"_urlExists", 1);
prop.put("genUrlList_urlList_"+i+"_urlExists_urlhxCount", i);
prop.put("genUrlList_urlList_"+i+"_urlExists_urlhxValue", uh[0]);
prop.put("genUrlList_urlList_"+i+"_urlExists_keyString", keystring);
prop.put("genUrlList_urlList_"+i+"_urlExists_keyHash", keyhash);
prop.put("genUrlList_urlList_"+i+"_urlExists_urlString", us);
prop.put("genUrlList_urlList_"+i+"_urlExists_pos", uh[1]);
url = new URL(us);
if (plasmaSwitchboard.urlBlacklist.isListed(plasmaURLPattern.BLACKLIST_DHT, url)) {
prop.put("genUrlList_urlList_"+i+"_urlExists_urlhxChecked", 1);
}
}
i++;
}
prop.put("genUrlList_urlList", i);
prop.put("genUrlList_keyString", keystring);
prop.put("genUrlList_count", i);
}
index = null;
return prop;
} catch (IOException e) {
return prop;
} finally {
if (index != null) index = null;
}
}
}