/**
* Parse the installed (not the temp) news file for the latest version.
* TODO: Real XML parsing
* TODO: Check minVersion, use backup URLs specified
*/
void checkForUpdates() {
FileInputStream in = null;
try {
in = new FileInputStream(_newsFile);
StringBuilder buf = new StringBuilder(128);
while (DataHelper.readLine(in, buf)) {
int index = buf.indexOf(VERSION_PREFIX);
if (index >= 0) {
Map<String, String> args = parseArgs(buf.substring(index+VERSION_PREFIX.length()));
String ver = args.get(VERSION_KEY);
if (ver != null) {
if (_log.shouldLog(Log.DEBUG))
_log.debug("Found version: [" + ver + "]");
if (TrustedUpdate.needsUpdate(RouterVersion.VERSION, ver)) {
if (NewsHelper.isUpdateDisabled(_context)) {
String msg = _mgr._("In-network updates disabled. Check package manager.");
_log.logAlways(Log.WARN, "Cannot update to version " + ver + ": " + msg);
_mgr.notifyVersionConstraint(this, _currentURI, ROUTER_SIGNED, "", ver, msg);
return;
}
if (NewsHelper.isBaseReadonly(_context)) {
String msg = _mgr._("No write permission for I2P install directory.");
_log.logAlways(Log.WARN, "Cannot update to version " + ver + ": " + msg);
_mgr.notifyVersionConstraint(this, _currentURI, ROUTER_SIGNED, "", ver, msg);
return;
}
String minRouter = args.get(MIN_VERSION_KEY);
if (minRouter != null) {
if (VersionComparator.comp(RouterVersion.VERSION, minRouter) < 0) {
String msg = _mgr._("You must first update to version {0}", minRouter);
_log.logAlways(Log.WARN, "Cannot update to version " + ver + ": " + msg);
_mgr.notifyVersionConstraint(this, _currentURI, ROUTER_SIGNED, "", ver, msg);
return;
}
}
String minJava = args.get(MIN_JAVA_VERSION_KEY);
if (minJava != null) {
String ourJava = System.getProperty("java.version");
if (VersionComparator.comp(ourJava, minJava) < 0) {
String msg = _mgr._("Requires Java version {0} but installed Java version is {1}", minJava, ourJava);
_log.logAlways(Log.WARN, "Cannot update to version " + ver + ": " + msg);
_mgr.notifyVersionConstraint(this, _currentURI, ROUTER_SIGNED, "", ver, msg);
return;
}
}
if (_log.shouldLog(Log.DEBUG))
_log.debug("Our version is out of date, update!");
// TODO if minversion > our version, continue
// and look for a second entry with clearnet URLs
// TODO clearnet URLs, notify with HTTP_CLEARNET and/or HTTPS_CLEARNET
Map<UpdateMethod, List<URI>> sourceMap = new HashMap<UpdateMethod, List<URI>>(4);
// Must do su3 first
if (ConfigUpdateHandler.USE_SU3_UPDATE) {
sourceMap.put(HTTP, _mgr.getUpdateURLs(ROUTER_SIGNED_SU3, "", HTTP));
addMethod(TORRENT, args.get(SU3_KEY), sourceMap);
addMethod(HTTP_CLEARNET, args.get(CLEARNET_HTTP_SU3_KEY), sourceMap);
addMethod(HTTPS_CLEARNET, args.get(CLEARNET_HTTPS_SU3_KEY), sourceMap);
// notify about all sources at once
_mgr.notifyVersionAvailable(this, _currentURI, ROUTER_SIGNED_SU3,
"", sourceMap, ver, "");
sourceMap.clear();
}
// now do sud/su2
sourceMap.put(HTTP, _mgr.getUpdateURLs(ROUTER_SIGNED, "", HTTP));
String key = FileUtil.isPack200Supported() ? SU2_KEY : SUD_KEY;
addMethod(TORRENT, args.get(key), sourceMap);
// notify about all sources at once
_mgr.notifyVersionAvailable(this, _currentURI, ROUTER_SIGNED,
"", sourceMap, ver, "");
} else {
if (_log.shouldLog(Log.DEBUG))
_log.debug("Our version is current");
}
return;
} else {
if (_log.shouldLog(Log.WARN))
_log.warn("No version in " + buf.toString());
}
} else {
if (_log.shouldLog(Log.DEBUG))
_log.debug("No match in " + buf.toString());
}
buf.setLength(0);
}
} catch (IOException ioe) {
if (_log.shouldLog(Log.WARN))
_log.warn("Error checking the news for an update", ioe);
return;
} finally {
if (in != null) try { in.close(); } catch (IOException ioe) {}
}
if (_log.shouldLog(Log.WARN))
_log.warn("No version found in news.xml file");
}
