package net.i2p.router.update;
import java.net.URI;
import java.util.List;
import net.i2p.router.RouterContext;
import net.i2p.router.web.ConfigUpdateHandler;
import net.i2p.update.*;
import static net.i2p.update.UpdateType.*;
import static net.i2p.update.UpdateMethod.*;
/**
* <p>Handles the request to update the router by firing one or more
* {@link net.i2p.util.EepGet} calls to download the latest signed update file
* and displaying the status to anyone who asks.
* </p>
* <p>After the download completes the signed update file is verified with
* {@link net.i2p.crypto.TrustedUpdate}, and if it's authentic the payload
* of the signed update file is unpacked and the router is restarted to complete
* the update process.
* </p>
*
* This does not do any checking, that is handled by the NewsFetcher.
*/
class UpdateHandler implements Updater {
protected final RouterContext _context;
protected final ConsoleUpdateManager _mgr;
public UpdateHandler(RouterContext ctx, ConsoleUpdateManager mgr) {
_context = ctx;
_mgr = mgr;
}
/**
* Start a download and return a handle to the download task.
* Should not block.
*
* @param id plugin name or ignored
* @param maxTime how long you have
* @return active task or null if unable to download
*/
public UpdateTask update(UpdateType type, UpdateMethod method, List<URI> updateSources,
String id, String newVersion, long maxTime) {
boolean shouldProxy = _context.getProperty(ConfigUpdateHandler.PROP_SHOULD_PROXY, ConfigUpdateHandler.DEFAULT_SHOULD_PROXY);
if ((type != ROUTER_SIGNED && type != ROUTER_SIGNED_SU3) ||
(shouldProxy && method != HTTP) ||
((!shouldProxy) && method != HTTP_CLEARNET && method != HTTPS_CLEARNET) ||
updateSources.isEmpty())
return null;
UpdateRunner update = new UpdateRunner(_context, _mgr, type, method, updateSources);
// set status before thread to ensure UI feedback
_mgr.notifyProgress(update, "<b>" + _mgr._t("Updating") + "</b>");
return update;
}
}