yacy_search_server/htroot/Surftips.java
Michael Peter Christen 6491270b3a large IPv6 redesign of peer ping methods!
removed preferred IPv4 in start options and added a new field IP6 in
peer seeds which will contain one or more IPv6 addresses. Now every peer
has one or more IP addresses assigned, even several IPv6 addresses are
possible. The peer-ping process must check all given and possible IP
addresses for a backping and return the one IP which was successful when
pinging the peer. The ping-ing peer must be able to recognize which of
the given IPs are available for outside access of the peer and store
this accordingly. If only one IPv6 address is available and no IPv4,
then the IPv6 is stored in the old IP field of the seed DNA.
Many methods in Seed.java are now marked as @deprecated because they had
been used for a single IP only. There is still a large construction site
left in YaCy now where all these deprecated methods must be replaced
with new method calls. The 'extra'-IPs, used by cluster assignment had
been removed since that can be replaced with IPv6 usage in p2p clusters.
All clusters must now use IPv6 if they want an intranet-routing.
2014-09-30 14:53:52 +02:00

340 lines
17 KiB
Java

// Surftips.java
// (C) 2006 by Michael Peter Christen; mc@yacy.net, Frankfurt a. M., Germany
// first published 2006 on http://www.anomic.de
//
// This is a part of YaCy, a peer-to-peer based web search engine
//
// $LastChangedDate$
// $LastChangedRevision$
// $LastChangedBy$
//
// 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.net.MalformedURLException;
import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;
import net.yacy.cora.date.GenericFormatter;
import net.yacy.cora.document.encoding.UTF8;
import net.yacy.cora.document.id.DigestURL;
import net.yacy.cora.order.NaturalOrder;
import net.yacy.cora.protocol.RequestHeader;
import net.yacy.cora.sorting.ConcurrentScoreMap;
import net.yacy.cora.sorting.ScoreMap;
import net.yacy.kelondro.index.Row;
import net.yacy.kelondro.index.Row.Entry;
import net.yacy.peers.NewsDB;
import net.yacy.peers.NewsPool;
import net.yacy.peers.Seed;
import net.yacy.repository.Blacklist.BlacklistType;
import net.yacy.search.Switchboard;
import net.yacy.server.serverObjects;
import net.yacy.server.serverSwitch;
import net.yacy.utils.crypt;
import net.yacy.utils.nxTools;
public class Surftips {
public static serverObjects respond(final RequestHeader header, final serverObjects post, final serverSwitch env) {
final Switchboard sb = (Switchboard) env;
final serverObjects prop = new serverObjects();
final boolean authenticated = sb.adminAuthenticated(header) >= 2;
final int display = ((post == null) || (!authenticated)) ? 0 : post.getInt("display", 0);
prop.put("display", display);
final boolean showScore = ((post != null) && (post.containsKey("score")));
// access control
boolean publicPage = sb.getConfigBool("publicSurftips", true);
final boolean authorizedAccess = sb.verifyAuthentication(header);
if ((post != null) && (post.containsKey("publicPage"))) {
if (!authorizedAccess) {
prop.authenticationRequired();
return prop;
}
publicPage = post.get("publicPage", "0").equals("1");
sb.setConfig("publicSurftips", publicPage);
}
if ((publicPage) || (authorizedAccess)) {
// read voting
String hash;
if ((post != null) && ((hash = post.get("voteNegative", null)) != null)) {
if (!sb.verifyAuthentication(header)) {
prop.authenticationRequired();
return prop;
}
// make new news message with voting
if (sb.isRobinsonMode()) {
final HashMap<String, String> map = new HashMap<String, String>();
map.put("urlhash", hash);
map.put("vote", "negative");
map.put("refid", post.get("refid", ""));
sb.peers.newsPool.publishMyNews(sb.peers.mySeed(), NewsPool.CATEGORY_SURFTIPP_VOTE_ADD, map);
}
}
if ((post != null) && ((hash = post.get("votePositive", null)) != null)) {
if (!sb.verifyAuthentication(header)) {
prop.authenticationRequired();
return prop;
}
// make new news message with voting
final HashMap<String, String> map = new HashMap<String, String>();
map.put("urlhash", hash);
map.put("url", crypt.simpleDecode(post.get("url", "")));
map.put("title", crypt.simpleDecode(post.get("title", "")));
map.put("description", crypt.simpleDecode(post.get("description", "")));
map.put("vote", "positive");
map.put("refid", post.get("refid", ""));
map.put("comment", post.get("comment", ""));
sb.peers.newsPool.publishMyNews(sb.peers.mySeed(), NewsPool.CATEGORY_SURFTIPP_VOTE_ADD, map);
}
// create surftips
final HashMap<String, Integer> negativeHashes = new HashMap<String, Integer>(); // a mapping from an url hash to Integer (count of votes)
final HashMap<String, Integer> positiveHashes = new HashMap<String, Integer>(); // a mapping from an url hash to Integer (count of votes)
accumulateVotes(sb , negativeHashes, positiveHashes, NewsPool.INCOMING_DB);
//accumulateVotes(negativeHashes, positiveHashes, yacyNewsPool.OUTGOING_DB);
//accumulateVotes(negativeHashes, positiveHashes, yacyNewsPool.PUBLISHED_DB);
final ScoreMap<String> ranking = new ConcurrentScoreMap<String>(); // score cluster for url hashes
final Row rowdef = new Row("String url-255, String title-120, String description-120, String refid-" + (GenericFormatter.PATTERN_SHORT_SECOND.length() + 12), NaturalOrder.naturalOrder);
final HashMap<String, Entry> surftips = new HashMap<String, Entry>(); // a mapping from an url hash to a kelondroRow.Entry with display properties
accumulateSurftips(sb, surftips, ranking, rowdef, negativeHashes, positiveHashes, NewsPool.INCOMING_DB);
//accumulateSurftips(surftips, ranking, rowdef, negativeHashes, positiveHashes, yacyNewsPool.OUTGOING_DB);
//accumulateSurftips(surftips, ranking, rowdef, negativeHashes, positiveHashes, yacyNewsPool.PUBLISHED_DB);
// read out surftipp array and create property entries
final Iterator<String> k = ranking.keys(false);
int i = 0;
Row.Entry row;
String url, urlhash, refid, title, description;
boolean voted;
while (k.hasNext()) {
urlhash = k.next();
if (urlhash == null) continue;
row = surftips.get(urlhash);
if (row == null) continue;
url = row.getPrimaryKeyUTF8().trim();
try{
if(Switchboard.urlBlacklist.isListed(BlacklistType.SURFTIPS ,new DigestURL(url)))
continue;
}catch(final MalformedURLException e){continue;}
title = row.getColUTF8(1);
description = row.getColUTF8(2);
if ((url == null) || (title == null) || (description == null)) continue;
refid = row.getColUTF8(3);
voted = (sb.peers.newsPool.getSpecific(NewsPool.OUTGOING_DB, NewsPool.CATEGORY_SURFTIPP_VOTE_ADD, "refid", refid) != null) ||
(sb.peers.newsPool.getSpecific(NewsPool.PUBLISHED_DB, NewsPool.CATEGORY_SURFTIPP_VOTE_ADD, "refid", refid) != null);
prop.put("surftips_results_" + i + "_authorized", (authenticated) ? "1" : "0");
prop.put("surftips_results_" + i + "_authorized_recommend", (voted) ? "0" : "1");
prop.put("surftips_results_" + i + "_authorized_recommend_urlhash", urlhash);
prop.put("surftips_results_" + i + "_authorized_recommend_refid", refid);
prop.put("surftips_results_" + i + "_authorized_recommend_url", crypt.simpleEncode(url, null, 'b'));
prop.put("surftips_results_" + i + "_authorized_recommend_title", crypt.simpleEncode(title, null, 'b'));
prop.put("surftips_results_" + i + "_authorized_recommend_description", crypt.simpleEncode(description, null, 'b'));
prop.put("surftips_results_" + i + "_authorized_recommend_display", display);
prop.put("surftips_results_" + i + "_authorized_recommend_showScore", (showScore ? "1" : "0"));
prop.putXML("surftips_results_" + i + "_authorized_urlhash", urlhash);
prop.putXML("surftips_results_" + i + "_url", url);
prop.putXML("surftips_results_" + i + "_urlname", nxTools.shortenURLString(url, 60));
prop.putXML("surftips_results_" + i + "_urlhash", urlhash);
prop.putXML("surftips_results_" + i + "_title", (showScore) ? ("(" + ranking.get(urlhash) + ") " + title) : title);
prop.putHTML("surftips_results_" + i + "_description", description);
i++;
if (i >= 50) break;
}
prop.put("surftips_results", i);
prop.put("surftips", "1");
} else {
prop.put("surftips", "0");
}
return prop;
}
private static int timeFactor(final Date created) {
return (int) Math.max(0, 10 - ((System.currentTimeMillis() - created.getTime()) / 24 / 60 / 60 / 1000));
}
private static void accumulateVotes(final Switchboard sb, final HashMap<String, Integer> negativeHashes, final HashMap<String, Integer> positiveHashes, final int dbtype) {
final int maxCount = Math.min(1000, sb.peers.newsPool.size(dbtype));
NewsDB.Record record;
final Iterator<NewsDB.Record> recordIterator = sb.peers.newsPool.recordIterator(dbtype);
int j = 0;
while ((recordIterator.hasNext()) && (j++ < maxCount)) {
record = recordIterator.next();
if (record == null) continue;
if (record.category().equals(NewsPool.CATEGORY_SURFTIPP_VOTE_ADD)) {
final String urlhash = record.attribute("urlhash", "");
final String vote = record.attribute("vote", "");
final int factor = ((dbtype == NewsPool.OUTGOING_DB) || (dbtype == NewsPool.PUBLISHED_DB)) ? 2 : 1;
if (vote.equals("negative")) {
final Integer i = negativeHashes.get(urlhash);
if (i == null) negativeHashes.put(urlhash, Integer.valueOf(factor));
else negativeHashes.put(urlhash, Integer.valueOf(i.intValue() + factor));
}
if (vote.equals("positive")) {
final Integer i = positiveHashes.get(urlhash);
if (i == null) positiveHashes.put(urlhash, Integer.valueOf(factor));
else positiveHashes.put(urlhash, Integer.valueOf(i.intValue() + factor));
}
}
}
}
private static void accumulateSurftips(
final Switchboard sb,
final HashMap<String, Entry> surftips, final ScoreMap<String> ranking, final Row rowdef,
final HashMap<String, Integer> negativeHashes, final HashMap<String, Integer> positiveHashes, final int dbtype) {
final int maxCount = Math.min(1000, sb.peers.newsPool.size(dbtype));
NewsDB.Record record;
final Iterator<NewsDB.Record> recordIterator = sb.peers.newsPool.recordIterator(dbtype);
int j = 0;
String url = "", urlhash;
Row.Entry entry;
int score = 0;
Integer vote;
while ((recordIterator.hasNext()) && (j++ < maxCount)) {
record = recordIterator.next();
if (record == null) continue;
entry = null;
if (record.category().equals(NewsPool.CATEGORY_CRAWL_START)) {
final String intention = record.attribute("intention", "");
url = record.attribute("startURL", "");
if (url.length() < 12) continue;
entry = rowdef.newEntry(new byte[][]{
url.getBytes(),
(((intention.isEmpty()) || intention.equals("simple web crawl") || intention.equals("Automatic ReCrawl!")) ? record.attribute("startURL", "") : intention).getBytes(),
intention.equals("Automatic ReCrawl!") ? UTF8.getBytes("Automatic ReCrawl") : UTF8.getBytes("Crawl Start Point"),
record.id().getBytes()
});
score = 2 + Math.min(10, intention.length() / 4) + timeFactor(record.created());
}
if (record.category().equals(NewsPool.CATEGORY_BOOKMARK_ADD)) {
url = record.attribute("url", "");
if (url.length() < 12) continue;
entry = rowdef.newEntry(new byte[][]{
url.getBytes(),
UTF8.getBytes(record.attribute("title", "")),
UTF8.getBytes("Bookmark: " + record.attribute("description", "")),
record.id().getBytes()
});
score = 8 + timeFactor(record.created());
}
if (record.category().equals(NewsPool.CATEGORY_SURFTIPP_ADD)) {
url = record.attribute("url", "");
if (url.length() < 12) continue;
entry = rowdef.newEntry(new byte[][]{
url.getBytes(),
UTF8.getBytes(record.attribute("title", "")),
UTF8.getBytes("Surf Tipp: " + record.attribute("description", "")),
record.id().getBytes()
});
score = 5 + timeFactor(record.created());
}
if (record.category().equals(NewsPool.CATEGORY_SURFTIPP_VOTE_ADD)) {
if (!(record.attribute("vote", "negative").equals("positive"))) continue;
url = record.attribute("url", "");
if (url.length() < 12) continue;
entry = rowdef.newEntry(new byte[][]{
url.getBytes(),
UTF8.getBytes(record.attribute("title", "")),
UTF8.getBytes(record.attribute("description", "")),
UTF8.getBytes(record.attribute("refid", ""))
});
score = 5 + timeFactor(record.created());
}
if (record.category().equals(NewsPool.CATEGORY_WIKI_UPDATE)) {
Seed seed = sb.peers.getConnected(record.originator());
if (seed == null) seed = sb.peers.getDisconnected(record.originator());
if (seed != null) {
url = "http://" + seed.getPublicAddress(seed.getIP()) + "/Wiki.html?page=" + record.attribute("page", "");
entry = rowdef.newEntry(new byte[][]{
UTF8.getBytes(url),
UTF8.getBytes(record.attribute("author", "Anonymous") + ": " + record.attribute("page", "")),
UTF8.getBytes("Wiki Update: " + record.attribute("description", "")),
UTF8.getBytes(record.id())
});
score = 4 + timeFactor(record.created());
}
}
if (record.category().equals(NewsPool.CATEGORY_BLOG_ADD)) {
Seed seed = sb.peers.getConnected(record.originator());
if (seed == null) seed = sb.peers.getDisconnected(record.originator());
if (seed != null) {
url = "http://" + seed.getPublicAddress(seed.getIP()) + "/Blog.html?page=" + record.attribute("page", "");
entry = rowdef.newEntry(new byte[][]{
UTF8.getBytes(url),
UTF8.getBytes(record.attribute("author", "Anonymous") + ": " + record.attribute("page", "")),
UTF8.getBytes("Blog Entry: " + record.attribute("subject", "")),
UTF8.getBytes(record.id())
});
score = 4 + timeFactor(record.created());
}
}
// add/subtract votes and write record
if (entry != null) {
try {
urlhash = UTF8.String((new DigestURL(url)).hash());
} catch (final MalformedURLException e) {
urlhash = null;
}
if (urlhash == null)
try {
urlhash = UTF8.String((new DigestURL("http://"+url)).hash());
} catch (final MalformedURLException e) {
urlhash = null;
}
if (urlhash == null) {
System.out.println("Surftips: bad url '" + url + "' from news record " + record.toString());
continue;
}
if ((vote = negativeHashes.get(urlhash)) != null) {
score = Math.max(0, score - vote.intValue()); // do not go below zero
}
if ((vote = positiveHashes.get(urlhash)) != null) {
score += 2 * vote.intValue();
}
// consider double-entries
if (surftips.containsKey(urlhash)) {
ranking.inc(urlhash, score);
} else {
ranking.set(urlhash, score);
surftips.put(urlhash, entry);
}
}
}
}
}