/**
* Use the Date header as a backup time source
*/
public void headerReceived(String url, int attemptNum, String key, String val) {
// We do this more than once, because
// the first SSL handshake may take a while, and it may take the server
// a while to render the index page.
if (_gotDate < MAX_DATE_SETS && "date".equalsIgnoreCase(key) && _attemptStarted > 0) {
long timeRcvd = System.currentTimeMillis();
long serverTime = RFC822Date.parse822Date(val);
if (serverTime > 0) {
// add 500ms since it's 1-sec resolution, and add half the RTT
long now = serverTime + 500 + ((timeRcvd - _attemptStarted) / 2);
long offset = now - _context.clock().now();
if (_context.clock().getUpdatedSuccessfully()) {
// 2nd time better than the first
if (_gotDate > 0)
_context.clock().setNow(now, RouterClock.DEFAULT_STRATUM - 2);
else
_context.clock().setNow(now, RouterClock.DEFAULT_STRATUM - 1);
if (_log.shouldLog(Log.WARN))
_log.warn("Reseed adjusting clock by " +
DataHelper.formatDuration(Math.abs(offset)));
} else {
// No peers or NTP yet, this is probably better than the peer average will be for a while
// default stratum - 1, so the peer average is a worse stratum
_context.clock().setNow(now, RouterClock.DEFAULT_STRATUM - 1);
_log.logAlways(Log.WARN, "NTP failure, Reseed adjusting clock by " +
DataHelper.formatDuration(Math.abs(offset)));
}
_gotDate++;
}
}
}
public NewsFetcher(RouterContext ctx, ConsoleUpdateManager mgr, List<URI> uris) {
super(ctx, mgr, NEWS, uris);
_newsFile = new File(ctx.getRouterDir(), NewsHelper.NEWS_FILE);
_tempFile = new File(ctx.getTempDir(), "tmp-" + ctx.random().nextLong() + TEMP_NEWS_FILE);
long lastMod = NewsHelper.lastChecked(ctx);
if (lastMod > 0)
_lastModified = RFC822Date.to822Date(lastMod);
}
public void transferComplete(long alreadyTransferred, long bytesTransferred, long bytesRemaining, String url, String outputFile, boolean notModified) {
if (_isPartial) {
// Compare version with what we have now
String newVersion = TrustedUpdate.getVersionString(new ByteArrayInputStream(_baos.toByteArray()));
boolean newer = (new VersionComparator()).compare(newVersion, RouterVersion.VERSION) > 0;
if (!newer) {
updateStatus("<b>" + _("No new version found at {0}", linkify(url)) + "</b>");
if (_log.shouldLog(Log.WARN))
_log.warn("Found old version \"" + newVersion + "\" at " + url);
}
_isNewer = newer;
return;
}
// Process the .sud/.su2 file
updateStatus("<b>" + _("Update downloaded") + "</b>");
TrustedUpdate up = new TrustedUpdate(_context);
File f = new File(_updateFile);
File to = new File(_context.getRouterDir(), Router.UPDATE_FILE);
String err = up.migrateVerified(RouterVersion.VERSION, f, to);
f.delete();
if (err == null) {
String policy = _context.getProperty(ConfigUpdateHandler.PROP_UPDATE_POLICY);
this.done = true;
// So unsigned update handler doesn't overwrite unless newer.
String lastmod = _get.getLastModified();
long modtime = 0;
if (lastmod != null)
modtime = RFC822Date.parse822Date(lastmod);
if (modtime <= 0)
modtime = _context.clock().now();
_context.router().setConfigSetting(PROP_LAST_UPDATE_TIME, "" + modtime);
_context.router().saveConfig();
if ("install".equals(policy)) {
_log.log(Log.CRIT, "Update was VERIFIED, restarting to install it");
updateStatus("<b>" + _("Update verified") + "</b><br>" + _("Restarting"));
restart();
} else {
_log.log(Log.CRIT, "Update was VERIFIED, will be installed at next restart");
StringBuilder buf = new StringBuilder(64);
buf.append("<b>").append(_("Update downloaded")).append("<br>");
if (_context.hasWrapper())
buf.append(_("Click Restart to install"));
else
buf.append(_("Click Shutdown and restart to install"));
if (up.newVersion() != null)
buf.append(' ').append(_("Version {0}", up.newVersion()));
buf.append("</b>");
updateStatus(buf.toString());
}
} else {
_log.log(Log.CRIT, err + " from " + url);
updateStatus("<b>" + err + ' ' + _("from {0}", linkify(url)) + " </b>");
}
}
/**
* HEAD the update url, and if the last-mod time is newer than the last update we downloaded, as
* stored in the properties, then we download it using eepget.
*/
private boolean fetchUnsignedHead() {
if (_urls.isEmpty()) return false;
_currentURI = _urls.get(0);
String url = _currentURI.toString();
// assume always proxied for now
// boolean shouldProxy =
// Boolean.valueOf(_context.getProperty(ConfigUpdateHandler.PROP_SHOULD_PROXY,
// ConfigUpdateHandler.DEFAULT_SHOULD_PROXY)).booleanValue();
String proxyHost =
_context.getProperty(
ConfigUpdateHandler.PROP_PROXY_HOST, ConfigUpdateHandler.DEFAULT_PROXY_HOST);
int proxyPort =
_context.getProperty(
ConfigUpdateHandler.PROP_PROXY_PORT, ConfigUpdateHandler.DEFAULT_PROXY_PORT_INT);
try {
EepHead get = new EepHead(_context, proxyHost, proxyPort, 0, url);
if (get.fetch()) {
String lastmod = get.getLastModified();
if (lastmod != null) {
long modtime = RFC822Date.parse822Date(lastmod);
if (modtime <= 0) return false;
if (_ms <= 0) return false;
if (modtime > _ms) {
_unsignedUpdateAvailable = true;
_mgr.notifyVersionAvailable(
this, _urls.get(0), getType(), "", getMethod(), _urls, Long.toString(modtime), "");
}
}
return true;
}
} catch (Throwable t) {
_log.error("Error fetching the unsigned update", t);
}
return false;
}
