forked from I2P_Developers/i2p.i2p
zzz
667b548d3b
for Debian packages. Broken in 0.9.4. (Ticket #817) Remove unused shouldInstall() method.
308 lines
12 KiB
Java
308 lines
12 KiB
Java
package net.i2p.router.update;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.IOException;
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import java.net.URI;
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import java.net.URISyntaxException;
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import java.text.SimpleDateFormat;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Locale;
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import java.util.Map;
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import java.util.StringTokenizer;
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import net.i2p.crypto.TrustedUpdate;
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import net.i2p.data.DataHelper;
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import net.i2p.router.Router;
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import net.i2p.router.RouterContext;
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import net.i2p.router.RouterVersion;
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import net.i2p.router.util.RFC822Date;
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import net.i2p.router.web.ConfigUpdateHandler;
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import net.i2p.router.web.ConfigUpdateHelper;
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import net.i2p.router.web.NewsHelper;
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import net.i2p.update.*;
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import static net.i2p.update.UpdateType.*;
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import static net.i2p.update.UpdateMethod.*;
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import net.i2p.util.EepGet;
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import net.i2p.util.EepHead;
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import net.i2p.util.FileUtil;
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import net.i2p.util.Log;
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/**
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* Task to fetch updates to the news.xml, and to keep
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* track of whether that has an announcement for a new version.
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*
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* @since 0.9.4 moved from NewsFetcher and make an Updater
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*/
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class NewsFetcher extends UpdateRunner {
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private String _lastModified;
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private final File _newsFile;
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private final File _tempFile;
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/** is the news newer */
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private boolean _isNewer;
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private boolean _success;
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private static final String TEMP_NEWS_FILE = "news.xml.temp";
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public NewsFetcher(RouterContext ctx, ConsoleUpdateManager mgr, List<URI> uris) {
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super(ctx, mgr, uris);
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_newsFile = new File(ctx.getRouterDir(), NewsHelper.NEWS_FILE);
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_tempFile = new File(ctx.getTempDir(), "tmp-" + ctx.random().nextLong() + TEMP_NEWS_FILE);
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long lastMod = NewsHelper.lastChecked(ctx);
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if (lastMod > 0)
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_lastModified = RFC822Date.to822Date(lastMod);
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}
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@Override
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public UpdateType getType() { return NEWS; }
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private boolean dontInstall() {
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return NewsHelper.dontInstall(_context);
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}
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@Override
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public void run() {
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_isRunning = true;
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try {
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fetchNews();
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} finally {
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_mgr.notifyCheckComplete(this, _isNewer, _success);
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_isRunning = false;
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}
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}
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public void fetchNews() {
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boolean shouldProxy = Boolean.valueOf(_context.getProperty(ConfigUpdateHandler.PROP_SHOULD_PROXY, ConfigUpdateHandler.DEFAULT_SHOULD_PROXY)).booleanValue();
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String proxyHost = _context.getProperty(ConfigUpdateHandler.PROP_PROXY_HOST, ConfigUpdateHandler.DEFAULT_PROXY_HOST);
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int proxyPort = ConfigUpdateHandler.proxyPort(_context);
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for (URI uri : _urls) {
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_currentURI = uri;
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String newsURL = uri.toString();
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if (_tempFile.exists())
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_tempFile.delete();
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try {
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EepGet get;
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if (shouldProxy)
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get = new EepGet(_context, true, proxyHost, proxyPort, 0, _tempFile.getAbsolutePath(), newsURL, true, null, _lastModified);
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else
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get = new EepGet(_context, false, null, 0, 0, _tempFile.getAbsolutePath(), newsURL, true, null, _lastModified);
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get.addStatusListener(this);
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long start = _context.clock().now();
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if (get.fetch()) {
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_context.router().saveConfig(NewsHelper.PROP_LAST_CHECKED,
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Long.toString(start));
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return;
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}
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} catch (Throwable t) {
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_log.error("Error fetching the news", t);
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}
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}
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}
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// Fake XML parsing
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// Line must contain this, and full entry must be on one line
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private static final String VERSION_PREFIX = "<i2p.release ";
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// all keys mapped to lower case by parseArgs()
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private static final String VERSION_KEY = "version";
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private static final String MIN_VERSION_KEY = "minversion";
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private static final String SUD_KEY = "sudtorrent";
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private static final String SU2_KEY = "su2torrent";
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private static final String CLEARNET_SUD_KEY = "sudclearnet";
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private static final String CLEARNET_SU2_KEY = "su2clearnet";
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private static final String I2P_SUD_KEY = "sudi2p";
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private static final String I2P_SU2_KEY = "su2i2p";
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/**
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* Parse the installed (not the temp) news file for the latest version.
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* TODO: Real XML parsing
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* TODO: Check minVersion, use backup URLs specified
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*/
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void checkForUpdates() {
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// For now, don't even tell the manager about new versions if we can't install.
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// If we do want the manager to know, we must hide the buttons in
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// SummaryHelper.getUpdateStatus().
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if (dontInstall())
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return;
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FileInputStream in = null;
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try {
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in = new FileInputStream(_newsFile);
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StringBuilder buf = new StringBuilder(128);
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while (DataHelper.readLine(in, buf)) {
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int index = buf.indexOf(VERSION_PREFIX);
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if (index >= 0) {
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Map<String, String> args = parseArgs(buf.substring(index+VERSION_PREFIX.length()));
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String ver = args.get(VERSION_KEY);
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if (ver != null) {
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if (_log.shouldLog(Log.DEBUG))
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_log.debug("Found version: [" + ver + "]");
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if (TrustedUpdate.needsUpdate(RouterVersion.VERSION, ver)) {
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if (_log.shouldLog(Log.DEBUG))
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_log.debug("Our version is out of date, update!");
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// TODO if minversion > our version, continue
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// and look for a second entry with clearnet URLs
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// TODO clearnet URLs, notify with HTTP_CLEARNET and/or HTTPS_CLEARNET
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_mgr.notifyVersionAvailable(this, _currentURI,
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ROUTER_SIGNED, "", HTTP,
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_mgr.getUpdateURLs(ROUTER_SIGNED, "", HTTP),
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ver, "");
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String key = FileUtil.isPack200Supported() ? SU2_KEY : SUD_KEY;
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String murl = args.get(key);
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if (murl != null) {
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List<URI> uris = tokenize(murl);
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if (!uris.isEmpty()) {
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Collections.shuffle(uris, _context.random());
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_mgr.notifyVersionAvailable(this, _currentURI,
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ROUTER_SIGNED, "", TORRENT,
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uris, ver, "");
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}
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}
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} else {
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if (_log.shouldLog(Log.DEBUG))
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_log.debug("Our version is current");
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}
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return;
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} else {
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if (_log.shouldLog(Log.WARN))
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_log.warn("No version in " + buf.toString());
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}
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} else {
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if (_log.shouldLog(Log.DEBUG))
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_log.debug("No match in " + buf.toString());
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}
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buf.setLength(0);
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}
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} catch (IOException ioe) {
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if (_log.shouldLog(Log.WARN))
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_log.warn("Error checking the news for an update", ioe);
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return;
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} finally {
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if (in != null) try { in.close(); } catch (IOException ioe) {}
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}
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if (_log.shouldLog(Log.WARN))
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_log.warn("No version found in news.xml file");
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}
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/**
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* Modified from LoadClientAppsJob and I2PTunnelHTTPClientBase
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* All keys are mapped to lower case.
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*
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* @param args non-null
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* @since 0.9.4
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*/
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private static Map<String, String> parseArgs(String args) {
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Map<String, String> rv = new HashMap(8);
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char data[] = args.toCharArray();
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StringBuilder buf = new StringBuilder(32);
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boolean isQuoted = false;
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String key = null;
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for (int i = 0; i < data.length; i++) {
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switch (data[i]) {
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case '\'':
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case '"':
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if (isQuoted) {
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// keys never quoted
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if (key != null) {
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rv.put(key, buf.toString().trim());
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key = null;
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}
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buf.setLength(0);
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}
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isQuoted = !isQuoted;
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break;
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case ' ':
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case '\r':
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case '\n':
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case '\t':
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case ',':
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// whitespace - if we're in a quoted section, keep this as part of the quote,
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// otherwise use it as a delim
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if (isQuoted) {
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buf.append(data[i]);
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} else {
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if (key != null) {
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rv.put(key, buf.toString().trim());
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key = null;
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}
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buf.setLength(0);
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}
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break;
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case '=':
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if (isQuoted) {
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buf.append(data[i]);
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} else {
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key = buf.toString().trim().toLowerCase(Locale.US);
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buf.setLength(0);
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}
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break;
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default:
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buf.append(data[i]);
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break;
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}
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}
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if (key != null)
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rv.put(key, buf.toString().trim());
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return rv;
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}
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private static List<URI> tokenize(String URLs) {
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StringTokenizer tok = new StringTokenizer(URLs, " ,\r\n");
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List<URI> rv = new ArrayList();
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while (tok.hasMoreTokens()) {
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try {
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rv.add(new URI(tok.nextToken().trim()));
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} catch (URISyntaxException use) {}
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}
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return rv;
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}
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/** override to prevent status update */
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@Override
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public void bytesTransferred(long alreadyTransferred, int currentWrite, long bytesTransferred, long bytesRemaining, String url) {}
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/**
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* Copies the file from temp dir to the news location,
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* calls checkForUpdates()
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*/
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@Override
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public void transferComplete(long alreadyTransferred, long bytesTransferred, long bytesRemaining, String url, String outputFile, boolean notModified) {
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if (_log.shouldLog(Log.INFO))
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_log.info("News fetched from " + url + " with " + (alreadyTransferred+bytesTransferred));
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long now = _context.clock().now();
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if (_tempFile.exists()) {
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boolean copied = FileUtil.copy(_tempFile, _newsFile, true, false);
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_tempFile.delete();
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if (copied) {
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String newVer = Long.toString(now);
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_context.router().saveConfig(NewsHelper.PROP_LAST_UPDATED, newVer);
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_mgr.notifyVersionAvailable(this, _currentURI, NEWS, "", HTTP,
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null, newVer, "");
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_isNewer = true;
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checkForUpdates();
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} else {
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if (_log.shouldLog(Log.ERROR))
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_log.error("Failed to copy the news file!");
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}
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} else {
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if (_log.shouldLog(Log.WARN))
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_log.warn("Transfer complete, but no file? - probably 304 Not Modified");
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}
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_success = true;
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}
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/** override to prevent status update */
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@Override
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public void transferFailed(String url, long bytesTransferred, long bytesRemaining, int currentAttempt) {}
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}
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