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641 lines
31 KiB
641 lines
31 KiB
// yacyRelease.java
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// ----------------
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// (C) 2007 by Michael Peter Christen; mc@yacy.net, Frankfurt a. M., Germany
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// first published 27.04.2007 on http://yacy.net
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//
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// This is a part of YaCy, a peer-to-peer based web search engine
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//
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// $LastChangedDate$
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// $LastChangedRevision$
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// $LastChangedBy$
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//
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// LICENSE
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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package de.anomic.yacy;
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import java.io.BufferedOutputStream;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.security.InvalidKeyException;
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import java.security.NoSuchAlgorithmException;
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import java.security.PublicKey;
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import java.security.SignatureException;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Map;
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import java.util.SortedSet;
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import java.util.TreeSet;
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import java.util.concurrent.ConcurrentHashMap;
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import net.yacy.cora.document.MultiProtocolURI;
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import net.yacy.cora.document.UTF8;
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import net.yacy.cora.protocol.HeaderFramework;
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import net.yacy.cora.protocol.RequestHeader;
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import net.yacy.cora.protocol.ResponseHeader;
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import net.yacy.cora.protocol.http.HTTPClient;
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import net.yacy.document.parser.html.ContentScraper;
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import net.yacy.kelondro.io.CharBuffer;
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import net.yacy.kelondro.logging.Log;
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import net.yacy.kelondro.order.Base64Order;
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import net.yacy.kelondro.util.FileUtils;
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import net.yacy.kelondro.util.OS;
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import de.anomic.crawler.CrawlProfile;
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import de.anomic.search.Switchboard;
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import de.anomic.server.serverCore;
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import de.anomic.tools.CryptoLib;
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import de.anomic.tools.SignatureOutputStream;
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import de.anomic.tools.tarTools;
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public final class yacyRelease extends yacyVersion {
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// information about latest release, retrieved from download pages
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// this static information should be overwritten by network-specific locations
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// for details see defaults/yacy.network.freeworld.unit
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private static Map<yacyUpdateLocation, DevAndMainVersions> latestReleases = new ConcurrentHashMap<yacyUpdateLocation, DevAndMainVersions>();
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public final static List<yacyUpdateLocation> latestReleaseLocations = new ArrayList<yacyUpdateLocation>(); // will be initialized with value in defaults/yacy.network.freeworld.unit
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public static String startParameter = "";
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private MultiProtocolURI url;
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private File releaseFile;
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private PublicKey publicKey;
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public yacyRelease(final MultiProtocolURI url) {
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super(url.getFileName(), url.getHost());
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this.url = url;
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}
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public yacyRelease(final MultiProtocolURI url, PublicKey publicKey) {
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this(url);
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this.publicKey = publicKey;
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}
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public yacyRelease(final File releaseFile) {
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super(releaseFile.getName(), null);
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this.releaseFile = releaseFile;
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}
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public MultiProtocolURI getUrl() {
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return url;
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}
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public static final yacyRelease rulebasedUpdateInfo(final boolean manual) {
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// according to update properties, decide if we should retrieve update information
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// if true, the release that can be obtained is returned.
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// if false, null is returned
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final Switchboard sb = Switchboard.getSwitchboard();
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// check if release was installed by packagemanager
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if (yacyBuildProperties.isPkgManager()) {
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yacyCore.log.logInfo("rulebasedUpdateInfo: package manager is used for update");
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return null;
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}
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// check if update process allows update retrieve
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final String process = sb.getConfig("update.process", "manual");
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if ((!manual) && (!process.equals("auto"))) {
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yacyCore.log.logInfo("rulebasedUpdateInfo: not an automatic update selected");
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return null; // no, its a manual or guided process
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}
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// check if the last retrieve time is a minimum time ago
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final long cycle = Math.max(1, sb.getConfigLong("update.cycle", 168)) * 60 * 60 * 1000; // update.cycle is hours
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final long timeLookup = sb.getConfigLong("update.time.lookup", System.currentTimeMillis());
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if ((!manual) && (timeLookup + cycle > System.currentTimeMillis())) {
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yacyCore.log.logInfo("rulebasedUpdateInfo: too early for a lookup for a new release (timeLookup = " + timeLookup + ", cycle = " + cycle + ", now = " + System.currentTimeMillis() + ")");
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return null; // no we have recently made a lookup
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}
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// check if we know that there is a release that is more recent than that which we are using
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final DevAndMainVersions releases = yacyRelease.allReleases(true, sb.getConfig("update.onlySignedFiles", "1").equals("1"));
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final yacyRelease latestmain = (releases.main.isEmpty()) ? null : releases.main.last();
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final yacyRelease latestdev = (releases.dev.isEmpty()) ? null : releases.dev.last();
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final String concept = sb.getConfig("update.concept", "any");
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String blacklist = sb.getConfig("update.blacklist", "...[123]");
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if (blacklist.equals("....[123]")) {
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// patch the blacklist because of a release strategy change from 0.7 and up
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blacklist = "...[123]";
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sb.setConfig("update.blacklist", blacklist);
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}
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if ((manual) || (concept.equals("any"))) {
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// return a dev-release or a main-release
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if ((latestdev != null) &&
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((latestmain == null) || (latestdev.compareTo(latestmain) > 0)) &&
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(!(Float.toString(latestdev.getReleaseNr()).matches(blacklist)))) {
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// consider a dev-release
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if (latestdev.compareTo(thisVersion()) <= 0) {
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yacyCore.log.logInfo(
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"rulebasedUpdateInfo: latest dev " + latestdev.getName() +
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" is not more recent than installed release " + thisVersion().getName());
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return null;
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}
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return latestdev;
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}
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if (latestmain != null) {
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// consider a main release
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if ((Float.toString(latestmain.getReleaseNr()).matches(blacklist))) {
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yacyCore.log.logInfo(
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"rulebasedUpdateInfo: latest dev " + (latestdev == null ? "null" : latestdev.getName()) +
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" matches with blacklist '" + blacklist + "'");
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return null;
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}
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if (latestmain.compareTo(thisVersion()) <= 0) {
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yacyCore.log.logInfo(
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"rulebasedUpdateInfo: latest main " + latestmain.getName() +
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" is not more recent than installed release (1) " + thisVersion().getName());
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return null;
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}
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return latestmain;
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}
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}
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if ((concept.equals("main")) && (latestmain != null)) {
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// return a main-release
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if ((Float.toString(latestmain.getReleaseNr()).matches(blacklist))) {
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yacyCore.log.logInfo(
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"rulebasedUpdateInfo: latest main " + latestmain.getName() +
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" matches with blacklist'" + blacklist + "'");
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return null;
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}
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if (latestmain.compareTo(thisVersion()) <= 0) {
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yacyCore.log.logInfo(
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"rulebasedUpdateInfo: latest main " + latestmain.getName() +
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" is not more recent than installed release (2) " + thisVersion().getName());
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return null;
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}
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return latestmain;
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}
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yacyCore.log.logInfo("rulebasedUpdateInfo: failed to find more recent release");
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return null;
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}
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public static DevAndMainVersions allReleases(final boolean force, final boolean onlySigned) {
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// join the release infos
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final TreeSet<yacyRelease> alldev = new TreeSet<yacyRelease>();
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final TreeSet<yacyRelease> allmain = new TreeSet<yacyRelease>();
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for (yacyUpdateLocation updateLocation : latestReleaseLocations) {
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if(!onlySigned || updateLocation.getPublicKey() != null) {
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DevAndMainVersions versions = getReleases(updateLocation, force);
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if (versions != null && versions.dev != null) alldev.addAll(versions.dev);
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if (versions != null && versions.main != null) allmain.addAll(versions.main);
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}
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}
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return new DevAndMainVersions(alldev, allmain);
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}
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/**
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* get all Releases from update location using cache
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* @param location Update location
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* @param force when true, don't fetch from cache
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* @return
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*/
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private static DevAndMainVersions getReleases(final yacyUpdateLocation location, final boolean force) {
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// get release info from a Internet resource
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DevAndMainVersions locLatestRelease = latestReleases.get(location);
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if (force ||
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(locLatestRelease == null) /*||
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((latestRelease[0].isEmpty()) &&
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(latestRelease[1].isEmpty()) &&
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(latestRelease[2].isEmpty()) &&
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(latestRelease[3].isEmpty()) )*/) {
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locLatestRelease = allReleaseFrom(location);
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if (locLatestRelease != null) latestReleases.put(location, locLatestRelease);
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}
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return locLatestRelease;
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}
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/**
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* get all releases from update location
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* @param location
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* @return
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*/
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private static DevAndMainVersions allReleaseFrom(yacyUpdateLocation location) {
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// retrieves the latest info about releases
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// this is done by contacting a release location,
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// parsing the content and filtering+parsing links
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// returns the version info if successful, null otherwise
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ContentScraper scraper;
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try {
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scraper = Switchboard.getSwitchboard().loader.parseResource(location.getLocationURL(), CrawlProfile.CacheStrategy.NOCACHE);
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} catch (final IOException e) {
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return null;
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}
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// analyze links in scraper resource, and find link to latest release in it
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final Map<MultiProtocolURI, String> anchors = scraper.getAnchors(); // a url (String) / name (String) relation
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final TreeSet<yacyRelease> mainReleases = new TreeSet<yacyRelease>();
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final TreeSet<yacyRelease> devReleases = new TreeSet<yacyRelease>();
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for (MultiProtocolURI url : anchors.keySet()) {
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try {
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yacyRelease release = new yacyRelease(url, location.getPublicKey());
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//System.out.println("r " + release.toAnchor());
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if (release.isMainRelease()) {
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mainReleases.add(release);
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} else {
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devReleases.add(release);
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}
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} catch (final RuntimeException e) {
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// the release string was not well-formed.
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// that might have been another link
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// just don't care
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continue;
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}
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}
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Switchboard.getSwitchboard().setConfig("update.time.lookup", System.currentTimeMillis());
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return new DevAndMainVersions(devReleases, mainReleases);
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}
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public static final class DevAndMainVersions {
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public TreeSet<yacyRelease> dev, main;
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public DevAndMainVersions(final TreeSet<yacyRelease> dev, final TreeSet<yacyRelease> main) {
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this.dev = dev;
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this.main = main;
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}
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}
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/**
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* <p>download this release and if public key is know, download signature and check it.
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* <p>The signature is named $releaseurl.sig and contains the base64 encoded signature
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* (@see de.anomic.tools.CryptoLib)
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* @return file object of release file, null in case of failure
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*/
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public File downloadRelease() {
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final File storagePath = Switchboard.getSwitchboard().releasePath;
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File download = null;
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// setup httpClient
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final RequestHeader reqHeader = new RequestHeader();
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reqHeader.put(HeaderFramework.USER_AGENT, MultiProtocolURI.yacybotUserAgent);
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final String name = this.getUrl().getFileName();
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byte[] signatureBytes = null;
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final HTTPClient client = new HTTPClient();
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client.setTimout(6000);
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client.setHeader(reqHeader.entrySet());
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// download signature first, if public key is available
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try {
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if (this.publicKey != null) {
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final byte[] signatureData = client.GETbytes(this.getUrl().toString() + ".sig");
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if (signatureData == null) {
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Log.logWarning("yacyVersion", "download of signature " + this.getUrl().toString() + " failed. ignoring signature file.");
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}
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else signatureBytes = Base64Order.standardCoder.decode(UTF8.String(signatureData).trim());
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}
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client.setTimout(120000);
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client.GET(this.getUrl().toString());
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final ResponseHeader header = new ResponseHeader(client.getHttpResponse().getAllHeaders());
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final boolean unzipped = header.gzip() && (header.mime().toLowerCase().equals("application/x-tar")); // if true, then the httpc has unzipped the file
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if ((unzipped) && (name.endsWith(".tar.gz"))) {
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download = new File(storagePath, name.substring(0, name.length() - 3));
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} else {
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download = new File(storagePath, name);
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}
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if (this.publicKey != null && signatureBytes != null) {
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// copy to file and check signature
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SignatureOutputStream verifyOutput = null;
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try {
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verifyOutput = new SignatureOutputStream(new FileOutputStream(download), CryptoLib.signAlgorithm, publicKey);
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client.writeTo(new BufferedOutputStream(verifyOutput));
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if (!verifyOutput.verify(signatureBytes)) throw new IOException("Bad Signature!");
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} catch (NoSuchAlgorithmException e) {
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throw new IOException("No such algorithm");
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} catch (SignatureException e) {
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throw new IOException("Signature exception");
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} finally {
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if (verifyOutput != null)
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verifyOutput.close();
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}
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// Save signature
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File signatureFile = new File(download.getAbsoluteFile() + ".sig");
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FileUtils.copy(UTF8.getBytes(Base64Order.standardCoder.encode(signatureBytes)), signatureFile);
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if ((!signatureFile.exists()) || (signatureFile.length() == 0)) throw new IOException("create signature file failed");
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} else {
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// just copy into file
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client.writeTo(new BufferedOutputStream(new FileOutputStream(download)));
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}
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if ((!download.exists()) || (download.length() == 0)) throw new IOException("wget of url " + this.getUrl() + " failed");
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} catch (final IOException e) {
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// Saving file failed, abort download
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Log.logSevere("yacyVersion", "download of " + this.getName() + " failed: " + e.getMessage());
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if (download != null && download.exists()) {
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FileUtils.deletedelete(download);
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if (download.exists()) Log.logWarning("yacyVersion", "could not delete file "+ download);
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}
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download = null;
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} finally {
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try {
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client.finish();
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} catch (IOException e) {
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Log.logSevere("yacyVersion", "finish of " + this.getName() + " failed: " + e.getMessage());
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}
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}
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this.releaseFile = download;
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Switchboard.getSwitchboard().setConfig("update.time.download", System.currentTimeMillis());
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return this.releaseFile;
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}
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public boolean checkSignature() {
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if(releaseFile != null) {
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try {
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final CharBuffer signBuffer = new CharBuffer(getSignatureFile());
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final byte[] signByteBuffer = Base64Order.standardCoder.decode(signBuffer.toString().trim());
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final CryptoLib cl = new CryptoLib();
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for(final yacyUpdateLocation updateLocation : latestReleaseLocations) {
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try {
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if(cl.verifySignature(updateLocation.getPublicKey(),
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new FileInputStream(releaseFile), signByteBuffer)) {
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return true;
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}
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} catch (InvalidKeyException e) {
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} catch (SignatureException e) {
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}
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}
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} catch (IOException e1) {
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} catch (NoSuchAlgorithmException e) {
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}
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}
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return false;
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}
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/**
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* restart yacy by stopping yacy and previously running a batch
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* script, which waits until yacy is terminated and starts it again
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*/
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public static void restart() {
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final Switchboard sb = Switchboard.getSwitchboard();
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if (OS.isWindows) {
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final File startType = new File(sb.getDataPath(), "DATA/yacy.noconsole".replace("/", File.separator));
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String starterFile = "startYACY_debug.bat";
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if (startType.exists()) starterFile = "startYACY.bat"; // startType noconsole
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if (startParameter.startsWith("-gui")) starterFile += " " + startParameter;
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try{
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Log.logInfo("RESTART", "INITIATED");
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final String script =
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"@echo off" + serverCore.LF_STRING +
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"title YaCy restarter" + serverCore.LF_STRING +
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"set loading=YACY RESTARTER" + serverCore.LF_STRING +
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"echo %loading%" + serverCore.LF_STRING +
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"cd \"" + sb.getDataPath().toString() + "/DATA/RELEASE/".replace("/", File.separator) + "\"" + serverCore.LF_STRING +
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":WAIT" + serverCore.LF_STRING +
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"set loading=%loading%." + serverCore.LF_STRING +
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"cls" + serverCore.LF_STRING +
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"echo %loading%" + serverCore.LF_STRING +
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"ping -n 2 127.0.0.1 >nul" + serverCore.LF_STRING +
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"IF exist ..\\yacy.running goto WAIT" + serverCore.LF_STRING +
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"cd \"" + sb.getAppPath().toString() + "\"" + serverCore.LF_STRING +
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"start /MIN CMD /C " + starterFile + serverCore.LF_STRING;
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final File scriptFile = new File(sb.getDataPath(), "DATA/RELEASE/restart.bat".replace("/", File.separator));
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OS.deployScript(scriptFile, script);
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Log.logInfo("RESTART", "wrote restart-script to " + scriptFile.getAbsolutePath());
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OS.execAsynchronous(scriptFile);
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Log.logInfo("RESTART", "script is running");
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sb.terminate(10, "windows restart");
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} catch (final IOException e) {
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Log.logSevere("RESTART", "restart failed", e);
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}
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}
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if (yacyBuildProperties.isPkgManager()) {
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// start a re-start daemon
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try {
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Log.logInfo("RESTART", "INITIATED");
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final String script =
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"#!/bin/sh" + serverCore.LF_STRING +
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yacyBuildProperties.getRestartCmd() + " >/var/lib/yacy/RELEASE/log" + serverCore.LF_STRING;
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final File scriptFile = new File(sb.getDataPath(), "DATA/RELEASE/restart.sh");
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OS.deployScript(scriptFile, script);
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Log.logInfo("RESTART", "wrote restart-script to " + scriptFile.getAbsolutePath());
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OS.execAsynchronous(scriptFile);
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Log.logInfo("RESTART", "script is running");
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} catch (final IOException e) {
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Log.logSevere("RESTART", "restart failed", e);
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}
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} else if (OS.canExecUnix) {
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// start a re-start daemon
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try {
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Log.logInfo("RESTART", "INITIATED");
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final String script =
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"#!/bin/sh" + serverCore.LF_STRING +
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"cd " + sb.getDataPath() + "/DATA/RELEASE/" + serverCore.LF_STRING +
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"while [ -f ../yacy.running ]; do" + serverCore.LF_STRING +
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"sleep 1" + serverCore.LF_STRING +
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"done" + serverCore.LF_STRING +
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//"cd ../../" + serverCore.LF_STRING +
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"cd " + sb.getAppPath() + serverCore.LF_STRING +
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"nohup ./startYACY.sh " + (startParameter.startsWith("-gui") ? startParameter : "") + " > /dev/null" + serverCore.LF_STRING;
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final File scriptFile = new File(sb.getDataPath(), "DATA/RELEASE/restart.sh");
|
|
OS.deployScript(scriptFile, script);
|
|
Log.logInfo("RESTART", "wrote restart-script to " + scriptFile.getAbsolutePath());
|
|
OS.execAsynchronous(scriptFile);
|
|
Log.logInfo("RESTART", "script is running");
|
|
sb.terminate(10, "unix restart");
|
|
} catch (final IOException e) {
|
|
Log.logSevere("RESTART", "restart failed", e);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* stop yacy and run a batch script, applies a new release and restarts yacy
|
|
* @param releaseFile
|
|
*/
|
|
public static void deployRelease(final File releaseFile) {
|
|
if (yacyBuildProperties.isPkgManager()) {
|
|
return;
|
|
}
|
|
try {
|
|
final Switchboard sb = Switchboard.getSwitchboard();
|
|
Log.logInfo("UPDATE", "INITIATED");
|
|
try{
|
|
tarTools.unTar(tarTools.getInputStream(releaseFile), sb.getDataPath() + "/DATA/RELEASE/".replace("/", File.separator));
|
|
} catch (final Exception e){
|
|
Log.logSevere("UNTAR", "failed", e);
|
|
}
|
|
String script = null;
|
|
String scriptFileName = null;
|
|
if (OS.isMacArchitecture) {
|
|
// overwrite Info.plist for Mac Applications (this holds the class paths and can be seen as the start script)
|
|
File InfoPlistSource = new File(sb.getDataPath(), "DATA/RELEASE/yacy/addon/YaCy.app/Contents/Info.plist");
|
|
File InfoPlistDestination = new File(sb.getAppPath(), "addon/YaCy.app/Contents/Info.plist");
|
|
if (InfoPlistSource.exists() && InfoPlistDestination.exists()) {
|
|
FileUtils.copy(InfoPlistSource, InfoPlistDestination);
|
|
Log.logInfo("UPDATE", "replaced Info.plist");
|
|
}
|
|
}
|
|
if (OS.isWindows) {
|
|
final File startType = new File(sb.getDataPath(), "DATA/yacy.noconsole".replace("/", File.separator));
|
|
String starterFile = "startYACY_debug.bat";
|
|
if (startType.exists()) starterFile = "startYACY.bat"; // startType noconsole
|
|
if (startParameter.startsWith("-gui")) starterFile += " " + startParameter;
|
|
script =
|
|
"@echo off" + serverCore.LF_STRING +
|
|
"title YaCy updater" + serverCore.LF_STRING +
|
|
"set loading=YACY UPDATER" + serverCore.LF_STRING +
|
|
"echo %loading%" + serverCore.LF_STRING +
|
|
"cd \"" + sb.getDataPath().toString() + "/DATA/RELEASE/".replace("/", File.separator) + "\"" + serverCore.LF_STRING +
|
|
|
|
":WAIT" + serverCore.LF_STRING +
|
|
"set loading=%loading%." + serverCore.LF_STRING +
|
|
"cls" + serverCore.LF_STRING +
|
|
"echo %loading%" + serverCore.LF_STRING +
|
|
"ping -n 2 127.0.0.1 >nul" + serverCore.LF_STRING +
|
|
"IF exist ..\\yacy.running goto WAIT" + serverCore.LF_STRING +
|
|
"IF not exist yacy goto NODATA" + serverCore.LF_STRING +
|
|
|
|
"cd yacy" + serverCore.LF_STRING +
|
|
"del /Q \"" + sb.getAppPath().toString() + "\\lib\\*\" >nul" + serverCore.LF_STRING +
|
|
"xcopy *.* \"" + sb.getAppPath().toString() + "\" /E /Y >nul" + serverCore.LF_STRING +
|
|
// /E - all subdirectories
|
|
// /Y - don't ask
|
|
"cd .." + serverCore.LF_STRING +
|
|
"rd yacy /S /Q" + serverCore.LF_STRING +
|
|
// /S delete tree
|
|
// /Q don't ask
|
|
"goto END" + serverCore.LF_STRING +
|
|
|
|
":NODATA" + serverCore.LF_STRING +
|
|
"echo YACY UPDATER ERROR: NO UPDATE SOURCE FILES ON FILESYSTEM" + serverCore.LF_STRING +
|
|
"pause" + serverCore.LF_STRING +
|
|
|
|
":END" + serverCore.LF_STRING +
|
|
"cd \"" + sb.getAppPath().toString() + "\"" + serverCore.LF_STRING +
|
|
"start /MIN CMD /C " + starterFile + serverCore.LF_STRING;
|
|
scriptFileName = "update.bat";
|
|
} else { // unix/linux
|
|
script =
|
|
"#!/bin/sh" + serverCore.LF_STRING +
|
|
"cd " + sb.getDataPath() + "/DATA/RELEASE/" + serverCore.LF_STRING +
|
|
"while [ -f ../yacy.running ]; do" + serverCore.LF_STRING +
|
|
"sleep 1" + serverCore.LF_STRING +
|
|
"done" + serverCore.LF_STRING +
|
|
"rm " + sb.getAppPath().toString() + "/lib/*" + serverCore.LF_STRING +
|
|
"cp -Rf yacy/* " + sb.getAppPath().toString() + serverCore.LF_STRING +
|
|
"rm -Rf yacy" + serverCore.LF_STRING +
|
|
"cd " + sb.getAppPath().toString() + serverCore.LF_STRING +
|
|
"chmod 755 *.sh" + serverCore.LF_STRING + // tarTools does not keep access/execute right
|
|
"chmod 755 bin/*.sh" + serverCore.LF_STRING +
|
|
"nohup ./startYACY.sh " + (startParameter.startsWith("-gui") ? startParameter : "") + " > /dev/null" + serverCore.LF_STRING;
|
|
scriptFileName = "update.sh";
|
|
}
|
|
final File scriptFile = new File(sb.getDataPath(), "DATA/RELEASE/".replace("/", File.separator) + scriptFileName);
|
|
OS.deployScript(scriptFile, script);
|
|
Log.logInfo("UPDATE", "wrote update-script to " + scriptFile.getAbsolutePath());
|
|
OS.execAsynchronous(scriptFile);
|
|
Log.logInfo("UPDATE", "script is running");
|
|
sb.setConfig("update.time.deploy", System.currentTimeMillis());
|
|
sb.terminate(10, "auto-deploy for " + releaseFile.getName());
|
|
} catch (final IOException e) {
|
|
Log.logSevere("UPDATE", "update failed", e);
|
|
}
|
|
}
|
|
|
|
public static void main(final String[] args) {
|
|
System.out.println(thisVersion());
|
|
final float base = (float) 0.53;
|
|
final String blacklist = "....[123]";
|
|
String test;
|
|
for (int i = 0; i < 20; i++) {
|
|
test = Float.toString(base + (((float) i) / 1000));
|
|
System.out.println(test + " is " + ((test.matches(blacklist)) ? "blacklisted" : " not blacklisted"));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* keep only releases of last month (minimum latest and 1 main (maybe the same))
|
|
*
|
|
* @param filesPath where all downloaded files reside
|
|
* @param deleteAfterDays
|
|
*/
|
|
public static void deleteOldDownloads(final File filesPath, final int deleteAfterDays) {
|
|
// list downloaded releases
|
|
yacyVersion release;
|
|
final String[] downloaded = filesPath.list();
|
|
|
|
// parse all filenames and put them in a sorted set
|
|
final SortedSet<yacyVersion> downloadedreleases = new TreeSet<yacyVersion>();
|
|
for (int j = 0; j < downloaded.length; j++) {
|
|
try {
|
|
release = new yacyVersion(downloaded[j], null);
|
|
downloadedreleases.add(release);
|
|
} catch (final RuntimeException e) {
|
|
// not a valid release
|
|
}
|
|
}
|
|
|
|
// if we have some files
|
|
if (!downloadedreleases.isEmpty()) {
|
|
Log.logFine("STARTUP", "deleting downloaded releases older than "+ deleteAfterDays +" days");
|
|
|
|
// keep latest version
|
|
final yacyVersion latest = downloadedreleases.last();
|
|
downloadedreleases.remove(latest);
|
|
// if latest is a developer release, we also keep a main release
|
|
final boolean keepMain = !latest.isMainRelease();
|
|
|
|
// remove old files
|
|
final long now = System.currentTimeMillis();
|
|
final long deleteAfterMillis = deleteAfterDays * 24L * 60 * 60000;
|
|
|
|
String lastMain = null;
|
|
String filename;
|
|
for (final yacyVersion aVersion : downloadedreleases) {
|
|
filename = aVersion.getName();
|
|
if (keepMain && aVersion.isMainRelease()) {
|
|
// keep this one, delete last remembered main release file
|
|
if (lastMain != null) {
|
|
filename = lastMain;
|
|
}
|
|
lastMain = aVersion.getName();
|
|
}
|
|
|
|
// check file age
|
|
final File downloadedFile = new File(filesPath + File.separator + filename);
|
|
if (now - downloadedFile.lastModified() > deleteAfterMillis) {
|
|
// delete file
|
|
FileUtils.deletedelete(downloadedFile);
|
|
FileUtils.deletedelete(new File(downloadedFile.getAbsolutePath() + ".sig"));
|
|
if (downloadedFile.exists()) {
|
|
Log.logWarning("STARTUP", "cannot delete old release " + downloadedFile.getAbsolutePath());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
public File getReleaseFile() {
|
|
return releaseFile;
|
|
}
|
|
|
|
public File getSignatureFile() {
|
|
return new File(releaseFile.getAbsoluteFile() + ".sig");
|
|
}
|
|
|
|
public PublicKey getPublicKey() {
|
|
return publicKey;
|
|
}
|
|
|
|
}
|