// yacyRelease.java
// ----------------
// (C) 2007 by Michael Peter Christen; mc@yacy.net, Frankfurt a. M., Germany
// first published 27.04.2007 on http://yacy.net
//
// 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
package net.yacy.peers.operation;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.security.PublicKey;
import java.security.SignatureException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.SortedSet;
import java.util.TreeSet;
import java.util.concurrent.ConcurrentHashMap;
import net.yacy.cora.document.encoding.UTF8;
import net.yacy.cora.document.id.AnchorURL;
import net.yacy.cora.document.id.DigestURL;
import net.yacy.cora.document.id.MultiProtocolURL;
import net.yacy.cora.federate.yacy.CacheStrategy;
import net.yacy.cora.order.Base64Order;
import net.yacy.cora.protocol.ClientIdentification;
import net.yacy.cora.protocol.ResponseHeader;
import net.yacy.cora.storage.Files;
import net.yacy.cora.util.ConcurrentLog;
import net.yacy.crawler.retrieval.Request;
import net.yacy.crawler.retrieval.Response;
import net.yacy.document.Document;
import net.yacy.document.parser.tarParser;
import net.yacy.kelondro.io.CharBuffer;
import net.yacy.kelondro.util.FileUtils;
import net.yacy.kelondro.util.OS;
import net.yacy.peers.Network;
import net.yacy.search.Switchboard;
import net.yacy.server.serverCore;
import net.yacy.utils.CryptoLib;
import net.yacy.utils.SignatureOutputStream;
import net.yacy.utils.tarTools;
public final class yacyRelease extends yacyVersion {
// information about latest release, retrieved from download pages
// this static information should be overwritten by network-specific locations
// for details see defaults/yacy.network.freeworld.unit
private static Map<yacyUpdateLocation, DevAndMainVersions> latestReleases = new ConcurrentHashMap<yacyUpdateLocation, DevAndMainVersions>();
public final static List<yacyUpdateLocation> latestReleaseLocations = new ArrayList<yacyUpdateLocation>(); // will be initialized with value in defaults/yacy.network.freeworld.unit
public static String startParameter = "";
private MultiProtocolURL url;
private File releaseFile;
private PublicKey publicKey;
public yacyRelease(final MultiProtocolURL url) {
super(url.getFileName(), url.getHost());
this.url = url;
}
private yacyRelease(final MultiProtocolURL url, final PublicKey publicKey) {
this(url);
this.publicKey = publicKey;
}
public yacyRelease(final File releaseFile) {
super(releaseFile.getName(), null);
this.releaseFile = releaseFile;
}
public MultiProtocolURL getUrl() {
return this.url;
}
public static final yacyRelease rulebasedUpdateInfo(final boolean manual) {
// according to update properties, decide if we should retrieve update information
// if true, the release that can be obtained is returned.
// if false, null is returned
final Switchboard sb = Switchboard.getSwitchboard();
// check if release was installed by packagemanager
if (yacyBuildProperties.isPkgManager()) {
Network.log.info("rulebasedUpdateInfo: package manager is used for update");
return null;
}
// check if update process allows update retrieve
final String process = sb.getConfig("update.process", "manual");
if ((!manual) && (!process.equals("auto"))) {
Network.log.info("rulebasedUpdateInfo: not an automatic update selected");
return null; // no, its a manual or guided process
}
// check if the last retrieve time is a minimum time ago
final long cycle = Math.max(1, sb.getConfigLong("update.cycle", 168)) * 60 * 60 * 1000; // update.cycle is hours
final long timeLookup = sb.getConfigLong("update.time.lookup", System.currentTimeMillis());
if ((!manual) && (timeLookup + cycle > System.currentTimeMillis())) {
Network.log.info("rulebasedUpdateInfo: too early for a lookup for a new release (timeLookup = " + timeLookup + ", cycle = " + cycle + ", now = " + System.currentTimeMillis() + ")");
return null; // no we have recently made a lookup
}
// check if we know that there is a release that is more recent than that which we are using
final DevAndMainVersions releases = yacyRelease.allReleases(true, sb.getConfig("update.onlySignedFiles", "1").equals("1"));
final yacyRelease latestmain = (releases.main.isEmpty()) ? null : releases.main.last();
final yacyRelease latestdev = (releases.dev.isEmpty()) ? null : releases.dev.last();
final String concept = sb.getConfig("update.concept", "any");
String blacklist = sb.getConfig("update.blacklist", "");
if ((manual) || (concept.equals("any"))) {
// return a dev-release or a main-release
if ((latestdev != null) &&
((latestmain == null) || (latestdev.compareTo(latestmain) > 0)) &&
(!(Double.toString(latestdev.getReleaseNr()).matches(blacklist)))) {
// consider a dev-release
if (latestdev.compareTo(thisVersion()) <= 0) {
Network.log.info(
"rulebasedUpdateInfo: latest dev " + latestdev.getName() +
" is not more recent than installed release " + thisVersion().getName());
return null;
}
return latestdev;
}
if (latestmain != null) {
// consider a main release
if ((Double.toString(latestmain.getReleaseNr()).matches(blacklist))) {
Network.log.info(
"rulebasedUpdateInfo: latest dev " + (latestdev == null ? "null" : latestdev.getName()) +
" matches with blacklist '" + blacklist + "'");
return null;
}
if (latestmain.compareTo(thisVersion()) <= 0) {
Network.log.info(
"rulebasedUpdateInfo: latest main " + latestmain.getName() +
" is not more recent than installed release (1) " + thisVersion().getName());
return null;
}
return latestmain;
}
}
if ((concept.equals("main")) && (latestmain != null)) {
// return a main-release
if ((Double.toString(latestmain.getReleaseNr()).matches(blacklist))) {
Network.log.info(
"rulebasedUpdateInfo: latest main " + latestmain.getName() +
" matches with blacklist'" + blacklist + "'");
return null;
}
if (latestmain.compareTo(thisVersion()) <= 0) {
Network.log.info(
"rulebasedUpdateInfo: latest main " + latestmain.getName() +
" is not more recent than installed release (2) " + thisVersion().getName());
return null;
}
return latestmain;
}
Network.log.info("rulebasedUpdateInfo: failed to find more recent release");
return null;
}
public static DevAndMainVersions allReleases(final boolean force, final boolean onlySigned) {
// join the release infos
final TreeSet<yacyRelease> alldev = new TreeSet<yacyRelease>();
final TreeSet<yacyRelease> allmain = new TreeSet<yacyRelease>();
for (final yacyUpdateLocation updateLocation : latestReleaseLocations) {
if(!onlySigned || updateLocation.getPublicKey() != null) {
final DevAndMainVersions versions = getReleases(updateLocation, force);
if (versions != null && versions.dev != null) alldev.addAll(versions.dev);
if (versions != null && versions.main != null) allmain.addAll(versions.main);
}
}
return new DevAndMainVersions(alldev, allmain);
}
/**
* get all Releases from update location using cache
* @param location Update location
* @param force when true, don't fetch from cache
* @return
*/
private static DevAndMainVersions getReleases(final yacyUpdateLocation location, final boolean force) {
// get release info from a Internet resource
DevAndMainVersions locLatestRelease = latestReleases.get(location);
if (force ||
(locLatestRelease == null) /*||
((latestRelease[0].isEmpty()) &&
(latestRelease[1].isEmpty()) &&
(latestRelease[2].isEmpty()) &&
(latestRelease[3].isEmpty()) )*/) {
locLatestRelease = allReleaseFrom(location);
if (locLatestRelease != null) latestReleases.put(location, locLatestRelease);
}
return locLatestRelease;
}
/**
* get all releases from update location
* @param location
* @return
*/
private static DevAndMainVersions allReleaseFrom(final yacyUpdateLocation location) {
// retrieves the latest info about releases
// this is done by contacting a release location,
// parsing the content and filtering+parsing links
// returns the version info if successful, null otherwise
Document scraper;
final String initialThreadName = Thread.currentThread().getName();
try {
final DigestURL uri = location.getLocationURL();
Thread.currentThread().setName("allReleaseFrom - host " + uri.getHost()); // makes it more easy to see which release blocks process in thread dump
scraper = Switchboard.getSwitchboard().loader.loadDocument(uri, CacheStrategy.NOCACHE, null, ClientIdentification.yacyInternetCrawlerAgent);
} catch (final IOException e) {
/* Restore the thread initial name */
Thread.currentThread().setName(initialThreadName);
return null;
}
// analyze links in scraper resource, and find link to latest release in it
final Collection<AnchorURL> anchors = scraper.getAnchors(); // a url (String) / name (String) relation
final TreeSet<yacyRelease> mainReleases = new TreeSet<yacyRelease>();
final TreeSet<yacyRelease> devReleases = new TreeSet<yacyRelease>();
for (final DigestURL url : anchors) {
try {
final yacyRelease release = new yacyRelease(url, location.getPublicKey());
//System.out.println("r " + release.toAnchor());
if (release.isMainRelease()) {
mainReleases.add(release);
} else {
devReleases.add(release);
}
} catch (final RuntimeException e) {
// the release string was not well-formed.
// that might have been another link
// just don't care
continue;
}
}
Switchboard.getSwitchboard().setConfig("update.time.lookup", System.currentTimeMillis());
/* Restore the thread initial name */
Thread.currentThread().setName(initialThreadName);
return new DevAndMainVersions(devReleases, mainReleases);
}
public static final class DevAndMainVersions {
public TreeSet<yacyRelease> dev, main;
public DevAndMainVersions(final TreeSet<yacyRelease> dev, final TreeSet<yacyRelease> main) {
this.dev = dev;
this.main = main;
}
}
/**
* <p>download this release and if public key is know, download signature and check it.
* <p>The signature is named $releaseurl.sig and contains the base64 encoded signature
* (@see de.anomic.tools.CryptoLib)
* @return file object of release file, null in case of failure
*/
public File downloadRelease() {
final File storagePath = Switchboard.getSwitchboard().releasePath;
File download = null;
final String name = getUrl().getFileName();
byte[] signatureBytes = null;
// download signature first, if public key is available
try {
if (this.publicKey != null) {
final Request request = Switchboard.getSwitchboard().loader
.request(new DigestURL(getUrl().toString() + ".sig"), true, false);
final Response response = Switchboard.getSwitchboard().loader.load(request, CacheStrategy.NOCACHE,
Integer.MAX_VALUE, null, ClientIdentification.yacyInternetCrawlerAgent);
byte[] signatureData = null;
if(response != null && response.validResponseStatus()) {
signatureData = response.getContent();
}
if (signatureData == null) {
ConcurrentLog.warn("yacyVersion", "download of signature " + getUrl().toString() + " failed. ignoring signature file.");
}
else signatureBytes = Base64Order.standardCoder.decode(UTF8.String(signatureData).trim());
}
final Request request = Switchboard.getSwitchboard().loader.request(new DigestURL(getUrl().toString()),
true, false);
final Response response = Switchboard.getSwitchboard().loader.load(request, CacheStrategy.NOCACHE,
Integer.MAX_VALUE, null, ClientIdentification.yacyInternetCrawlerAgent);
if(response == null) {
throw new IOException("Could not get a response");
}
if(!response.validResponseStatus()) {
/* HTTP status is not OK : let's stop here to avoid creating a invalid download file*/
throw new IOException("HTTP response status code : " + response.getStatus());
}
final ResponseHeader header = response.getResponseHeader();
final boolean unzipped = header.gzip() && (header.mime().toLowerCase().equals("application/x-tar")); // if true, then the httpc has unzipped the file
if (unzipped && name.endsWith(".tar.gz")) {
download = new File(storagePath, name.substring(0, name.length() - 3));
} else {
download = new File(storagePath, name);
}
if (this.publicKey != null && signatureBytes != null) {
// copy to file and check signature
SignatureOutputStream verifyOutput = null;
try {
verifyOutput = new SignatureOutputStream(new FileOutputStream(download), CryptoLib.signAlgorithm, this.publicKey);
FileUtils.copy(response.getContent(), new BufferedOutputStream(verifyOutput));
if (!verifyOutput.verify(signatureBytes)) throw new IOException("Bad Signature!");
} catch (final NoSuchAlgorithmException e) {
throw new IOException("No such algorithm");
} catch (final SignatureException e) {
throw new IOException("Signature exception");
} finally {
if (verifyOutput != null) {
verifyOutput.close();
}
}
// Save signature
final File signatureFile = new File(download.getAbsoluteFile() + ".sig");
FileUtils.copy(UTF8.getBytes(Base64Order.standardCoder.encode(signatureBytes)), signatureFile);
if ((!signatureFile.exists()) || (signatureFile.length() == 0)) throw new IOException("create signature file failed");
} else {
// just copy into file
OutputStream downloadOutStream = null;
try {
downloadOutStream = new BufferedOutputStream(new FileOutputStream(download));
FileUtils.copy(response.getContent(), downloadOutStream);
} finally {
if(downloadOutStream != null) {
downloadOutStream.close();
}
}
}
if ((!download.exists()) || (download.length() == 0)) throw new IOException("wget of url " + getUrl() + " failed");
// check again if this is actually a tar.gz or tar file since the httpc may have decompressed it
if (download.getName().endsWith("tar.gz") && tarParser.isTar(download)) {
String ts = download.getAbsoluteFile().toString();
File tar = new File(ts.substring(0, ts.length() - 3));
download.renameTo(tar);
download = tar;
}
} catch (final IOException e) {
// Saving file failed, abort download
ConcurrentLog.severe("yacyVersion", "download of " + getName() + " failed: " + e.getMessage());
if (download != null && download.exists()) {
FileUtils.deletedelete(download);
if (download.exists()) ConcurrentLog.warn("yacyVersion", "could not delete file "+ download);
}
download = null;
}
this.releaseFile = download;
Switchboard.getSwitchboard().setConfig("update.time.download", System.currentTimeMillis());
return this.releaseFile;
}
public boolean checkSignature() {
if(this.releaseFile != null) {
try {
final CharBuffer signBuffer = new CharBuffer(getSignatureFile());
final byte[] signByteBuffer = Base64Order.standardCoder.decode(signBuffer.toString().trim());
signBuffer.close();
final CryptoLib cl = new CryptoLib();
for(final yacyUpdateLocation updateLocation : latestReleaseLocations) {
try {
if(cl.verifySignature(updateLocation.getPublicKey(),
new FileInputStream(this.releaseFile), signByteBuffer)) {
return true;
}
} catch (final InvalidKeyException e) {
} catch (final SignatureException e) {
}
}
} catch (final IOException e1) {
} catch (final NoSuchAlgorithmException e) {
}
}
return false;
}
/**
* restart yacy by stopping yacy and previously running a batch
* script, which waits until yacy is terminated and starts it again
*/
public static void restart() {
final Switchboard sb = Switchboard.getSwitchboard();
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;
try{
ConcurrentLog.info("RESTART", "INITIATED");
final String script =
"@echo off" + serverCore.CRLF_STRING +
"title YaCy restarter" + serverCore.CRLF_STRING +
"set loading=YACY RESTARTER" + serverCore.CRLF_STRING +
"echo %loading%" + serverCore.CRLF_STRING +
"cd \"" + sb.getDataPath().toString() + "/DATA/RELEASE/".replace("/", File.separator) + "\"" + serverCore.CRLF_STRING +
":WAIT" + serverCore.CRLF_STRING +
"set loading=%loading%." + serverCore.CRLF_STRING +
"cls" + serverCore.CRLF_STRING +
"echo %loading%" + serverCore.CRLF_STRING +
"ping -n 2 127.0.0.1 >nul" + serverCore.CRLF_STRING +
"IF exist ..\\yacy.running goto WAIT" + serverCore.CRLF_STRING +
"cd \"" + sb.getAppPath().toString() + "\"" + serverCore.CRLF_STRING +
"start /MIN CMD /C " + starterFile + serverCore.CRLF_STRING;
final File scriptFile = new File(sb.getDataPath(), "DATA/RELEASE/restart.bat".replace("/", File.separator));
OS.deployScript(scriptFile, script);
ConcurrentLog.info("RESTART", "wrote restart-script to " + scriptFile.getAbsolutePath());
OS.execAsynchronous(scriptFile);
ConcurrentLog.info("RESTART", "script is running");
sb.terminate(10, "windows restart");
} catch (final IOException e) {
ConcurrentLog.severe("RESTART", "restart failed", e);
}
}
if (yacyBuildProperties.isPkgManager()) {
// start a re-start daemon
try {
ConcurrentLog.info("RESTART", "INITIATED");
final String script =
"#!/bin/sh" + serverCore.LF_STRING +
yacyBuildProperties.getRestartCmd() + " >/var/lib/yacy/RELEASE/log" + serverCore.LF_STRING;
final File scriptFile = new File(sb.getDataPath(), "DATA/RELEASE/restart.sh");
OS.deployScript(scriptFile, script);
ConcurrentLog.info("RESTART", "wrote restart-script to " + scriptFile.getAbsolutePath());
OS.execAsynchronous(scriptFile);
ConcurrentLog.info("RESTART", "script is running");
} catch (final IOException e) {
ConcurrentLog.severe("RESTART", "restart failed", e);
}
} else if (OS.canExecUnix) {
// start a re-start daemon
try {
ConcurrentLog.info("RESTART", "INITIATED");
final String 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 +
//"cd ../../" + serverCore.LF_STRING +
"cd " + sb.getAppPath() + serverCore.LF_STRING +
"nohup ./startYACY.sh " + (startParameter.startsWith("-gui") ? startParameter : "") + " > /dev/null" + serverCore.LF_STRING;
final File scriptFile = new File(sb.getDataPath(), "DATA/RELEASE/restart.sh");
OS.deployScript(scriptFile, script);
ConcurrentLog.info("RESTART", "wrote restart-script to " + scriptFile.getAbsolutePath());
OS.execAsynchronous(scriptFile);
ConcurrentLog.info("RESTART", "script is running");
sb.terminate(10, "unix restart");
} catch (final IOException e) {
ConcurrentLog.severe("RESTART", "restart failed", e);
}
}
}
/**
* stop yacy and run a batch script, applies a new release and restarts yacy
* @param releaseFile release file to apply
* @return true when release file has been successfully extracted and asynchronous update has been triggered
*/
public static boolean deployRelease(final File releaseFile) {
boolean restartTriggered = false;
if (yacyBuildProperties.isPkgManager()) {
return restartTriggered;
}
try {
final Switchboard sb = Switchboard.getSwitchboard();
ConcurrentLog.info("UPDATE", "INITIATED");
try{
tarTools.unTar(tarTools.getInputStream(releaseFile), sb.getDataPath() + "/DATA/RELEASE/".replace("/", File.separator));
} catch (final Exception e){
throw new IOException("Could not untar release file", 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)
final File InfoPlistSource = new File(sb.getDataPath(), "DATA/RELEASE/yacy/addon/YaCy.app/Contents/Info.plist");
final File InfoPlistDestination = new File(sb.getAppPath(), "addon/YaCy.app/Contents/Info.plist");
if (InfoPlistSource.exists() && InfoPlistDestination.exists()) {
Files.copy(InfoPlistSource, InfoPlistDestination);
ConcurrentLog.info("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.CRLF_STRING +
"title YaCy updater" + serverCore.CRLF_STRING +
"set loading=YACY UPDATER" + serverCore.CRLF_STRING +
"echo %loading%" + serverCore.CRLF_STRING +
"cd \"" + sb.getDataPath().toString() + "/DATA/RELEASE/".replace("/", File.separator) + "\"" + serverCore.CRLF_STRING +
":WAIT" + serverCore.CRLF_STRING +
"set loading=%loading%." + serverCore.CRLF_STRING +
"cls" + serverCore.CRLF_STRING +
"echo %loading%" + serverCore.CRLF_STRING +
"ping -n 2 127.0.0.1 >nul" + serverCore.CRLF_STRING +
"IF exist ..\\yacy.running goto WAIT" + serverCore.CRLF_STRING +
"IF not exist yacy goto NODATA" + serverCore.CRLF_STRING +
"cd yacy" + serverCore.CRLF_STRING +
"del /Q \"" + sb.getAppPath().toString() + "\\lib\\*\" >nul" + serverCore.CRLF_STRING +
"xcopy *.* \"" + sb.getAppPath().toString() + "\" /E /Y >nul" + serverCore.CRLF_STRING +
// /E - all subdirectories
// /Y - don't ask
"cd .." + serverCore.CRLF_STRING +
"rd yacy /S /Q" + serverCore.CRLF_STRING +
// /S delete tree
// /Q don't ask
"goto END" + serverCore.CRLF_STRING +
":NODATA" + serverCore.CRLF_STRING +
"echo YACY UPDATER ERROR: NO UPDATE SOURCE FILES ON FILESYSTEM" + serverCore.CRLF_STRING +
"pause" + serverCore.CRLF_STRING +
":END" + serverCore.CRLF_STRING +
"cd \"" + sb.getAppPath().toString() + "\"" + serverCore.CRLF_STRING +
"start /MIN CMD /C " + starterFile + serverCore.CRLF_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);
ConcurrentLog.info("UPDATE", "wrote update-script to " + scriptFile.getAbsolutePath());
OS.execAsynchronous(scriptFile);
restartTriggered = true;
ConcurrentLog.info("UPDATE", "script is running");
sb.setConfig("update.time.deploy", System.currentTimeMillis());
sb.terminate(10, "auto-deploy for " + releaseFile.getName());
} catch (final IOException e) {
ConcurrentLog.severe("UPDATE", "update failed", e);
}
return restartTriggered;
}
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 older as deleteAfterDays (keep minimum latest and 1 main (maybe the same))
*
* @param filesPath where all downloaded files reside
* @param deleteAfterDays
* @return true = some files deleted
*/
public static boolean deleteOldDownloads(final File filesPath, final int deleteAfterDays) {
// list downloaded releases
yacyVersion release;
final String[] downloaded = filesPath.list();
boolean deletedSomeFiles = false;
// parse all filenames and put them in a sorted set
final SortedSet<yacyVersion> downloadedreleases = new TreeSet<yacyVersion>();
for (final String element : downloaded) {
try {
release = new yacyVersion(element, null);
downloadedreleases.add(release);
} catch (final RuntimeException e) {
// not a valid release
}
}
// if we have some files
if (!downloadedreleases.isEmpty()) {
ConcurrentLog.fine("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()) {
ConcurrentLog.warn("STARTUP", "cannot delete old release " + downloadedFile.getAbsolutePath());
} else {
deletedSomeFiles = true;
}
}
}
}
return deletedSomeFiles;
}
public File getReleaseFile() {
return this.releaseFile;
}
public File getSignatureFile() {
return new File(this.releaseFile.getAbsoluteFile() + ".sig");
}
public PublicKey getPublicKey() {
return this.publicKey;
}
}