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.
168 lines
8.2 KiB
168 lines
8.2 KiB
// transferURL.java
|
|
// -----------------------
|
|
// part of the AnomicHTTPD caching proxy
|
|
// (C) by Michael Peter Christen; mc@yacy.net
|
|
// first published on http://www.anomic.de
|
|
// Frankfurt, Germany, 2004, 2005
|
|
//
|
|
// $LastChangedDate$
|
|
// $LastChangedRevision$
|
|
// $LastChangedBy$
|
|
//
|
|
// 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
|
|
|
|
// You must compile this file with
|
|
// javac -classpath .:../classes transferRWI.java
|
|
|
|
import java.io.IOException;
|
|
import java.text.ParseException;
|
|
|
|
import net.yacy.kelondro.data.meta.URIMetadataRow;
|
|
import net.yacy.kelondro.util.DateFormatter;
|
|
|
|
import de.anomic.content.RSSMessage;
|
|
import de.anomic.data.Blacklist;
|
|
import de.anomic.document.parser.xml.RSSFeed;
|
|
import de.anomic.http.server.RequestHeader;
|
|
import de.anomic.search.Segments;
|
|
import de.anomic.search.Switchboard;
|
|
import de.anomic.server.serverCore;
|
|
import de.anomic.server.serverObjects;
|
|
import de.anomic.server.serverSwitch;
|
|
import de.anomic.yacy.yacyCore;
|
|
import de.anomic.yacy.yacyNetwork;
|
|
import de.anomic.yacy.yacySeed;
|
|
|
|
public final class transferURL {
|
|
|
|
public static serverObjects respond(final RequestHeader header, final serverObjects post, final serverSwitch env) throws InterruptedException {
|
|
final long start = System.currentTimeMillis();
|
|
long freshdate = 0;
|
|
try {freshdate = DateFormatter.parseShortDay("20061101").getTime();} catch (final ParseException e1) {}
|
|
|
|
// return variable that accumulates replacements
|
|
final Switchboard sb = (Switchboard) env;
|
|
final serverObjects prop = new serverObjects();
|
|
if ((post == null) || (env == null)) return prop;
|
|
if (!yacyNetwork.authentifyRequest(post, env)) return prop;
|
|
|
|
// request values
|
|
final String iam = post.get("iam", ""); // seed hash of requester
|
|
final String youare = post.get("youare", ""); // seed hash of the target peer, needed for network stability
|
|
// final String key = post.get("key", ""); // transmission key
|
|
final int urlc = post.getInt("urlc", 0); // number of transported urls
|
|
final boolean granted = sb.getConfig("allowReceiveIndex", "false").equals("true");
|
|
final boolean blockBlacklist = sb.getConfig("indexReceiveBlockBlacklist", "false").equals("true");
|
|
|
|
// response values
|
|
String result = "";
|
|
String doublevalues = "0";
|
|
|
|
final yacySeed otherPeer = sb.peers.get(iam);
|
|
final String otherPeerName = iam + ":" + ((otherPeer == null) ? "NULL" : (otherPeer.getName() + "/" + otherPeer.getVersion()));
|
|
|
|
if ((youare == null) || (!youare.equals(sb.peers.mySeed().hash))) {
|
|
yacyCore.log.logInfo("Rejecting URLs from peer " + otherPeerName + ". Wrong target. Wanted peer=" + youare + ", iam=" + sb.peers.mySeed().hash);
|
|
result = "wrong_target";
|
|
} else if ((!granted) || (sb.isRobinsonMode())) {
|
|
yacyCore.log.logInfo("Rejecting URLs from peer " + otherPeerName + ". Not granted.");
|
|
result = "error_not_granted";
|
|
} else {
|
|
int received = 0;
|
|
int blocked = 0;
|
|
final int sizeBefore = sb.indexSegments.urlMetadata(Segments.Process.DHTIN).size();
|
|
// read the urls from the other properties and store
|
|
String urls;
|
|
URIMetadataRow lEntry;
|
|
for (int i = 0; i < urlc; i++) {
|
|
serverCore.checkInterruption();
|
|
|
|
// read new lurl-entry
|
|
urls = post.get("url" + i);
|
|
if (urls == null) {
|
|
if (yacyCore.log.isFine()) yacyCore.log.logFine("transferURL: got null URL-string from peer " + otherPeerName);
|
|
blocked++;
|
|
continue;
|
|
}
|
|
|
|
// parse new lurl-entry
|
|
lEntry = URIMetadataRow.importEntry(urls);
|
|
if (lEntry == null) {
|
|
yacyCore.log.logWarning("transferURL: received invalid URL (entry null) from peer " + otherPeerName + "\n\tURL Property: " + urls);
|
|
blocked++;
|
|
continue;
|
|
}
|
|
|
|
// check if entry is well-formed
|
|
final URIMetadataRow.Components metadata = lEntry.metadata();
|
|
if (metadata.url() == null) {
|
|
yacyCore.log.logWarning("transferURL: received invalid URL from peer " + otherPeerName + "\n\tURL Property: " + urls);
|
|
blocked++;
|
|
continue;
|
|
}
|
|
|
|
// check whether entry is too old
|
|
if (lEntry.freshdate().getTime() <= freshdate) {
|
|
if (yacyCore.log.isFine()) yacyCore.log.logFine("transerURL: received too old URL from peer " + otherPeerName + ": " + lEntry.freshdate());
|
|
blocked++;
|
|
continue;
|
|
}
|
|
|
|
// check if the entry is blacklisted
|
|
if ((blockBlacklist) && (Switchboard.urlBlacklist.isListed(Blacklist.BLACKLIST_DHT, metadata.url()))) {
|
|
if (yacyCore.log.isFine()) yacyCore.log.logFine("transferURL: blocked blacklisted URL '" + metadata.url().toNormalform(false, true) + "' from peer " + otherPeerName);
|
|
lEntry = null;
|
|
blocked++;
|
|
continue;
|
|
}
|
|
|
|
// check if the entry is in our network domain
|
|
final String urlRejectReason = sb.crawlStacker.urlInAcceptedDomain(metadata.url());
|
|
if (urlRejectReason != null) {
|
|
if (yacyCore.log.isFine()) yacyCore.log.logFine("transferURL: blocked URL '" + metadata.url() + "' (" + urlRejectReason + ") from peer " + otherPeerName);
|
|
lEntry = null;
|
|
blocked++;
|
|
continue;
|
|
}
|
|
|
|
// write entry to database
|
|
yacyCore.log.logInfo("Accepting URL " + i + "/" + urlc + " from peer " + otherPeerName + ": " + lEntry.metadata().url().toNormalform(true, false));
|
|
try {
|
|
sb.indexSegments.urlMetadata(Segments.Process.DHTIN).store(lEntry);
|
|
sb.crawlResults.stack(lEntry, iam, iam, 3);
|
|
if (yacyCore.log.isFine()) yacyCore.log.logFine("transferURL: received URL '" + metadata.url().toNormalform(false, true) + "' from peer " + otherPeerName);
|
|
received++;
|
|
} catch (final IOException e) {
|
|
e.printStackTrace();
|
|
}
|
|
}
|
|
|
|
sb.peers.mySeed().incRU(received);
|
|
|
|
// return rewrite properties
|
|
final int more = sb.indexSegments.urlMetadata(Segments.Process.DHTIN).size() - sizeBefore;
|
|
doublevalues = Integer.toString(received - more);
|
|
yacyCore.log.logInfo("Received " + received + " URLs from peer " + otherPeerName + " in " + (System.currentTimeMillis() - start) + " ms, blocked " + blocked + " URLs");
|
|
RSSFeed.channels(RSSFeed.INDEXRECEIVE).addMessage(new RSSMessage("Received " + received + " URLs from peer " + otherPeerName + ", blocked " + blocked, "", ""));
|
|
if ((received - more) > 0) yacyCore.log.logSevere("Received " + doublevalues + " double URLs from peer " + otherPeerName);
|
|
result = "ok";
|
|
}
|
|
|
|
prop.put("double", doublevalues);
|
|
prop.put("result", result);
|
|
return prop;
|
|
}
|
|
}
|