mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-10-31 14:15:30 +00:00
584 lines
21 KiB
Java
584 lines
21 KiB
Java
/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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package org.mozilla.gecko.updater;
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import org.mozilla.gecko.R;
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import org.mozilla.gecko.GeckoApp;
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import org.mozilla.apache.commons.codec.binary.Hex;
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import org.w3c.dom.Document;
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import org.w3c.dom.Node;
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import org.w3c.dom.NodeList;
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import android.app.AlarmManager;
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import android.app.IntentService;
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import android.app.Notification;
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import android.app.NotificationManager;
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import android.app.PendingIntent;
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import android.app.Service;
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import android.content.Context;
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import android.content.Intent;
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import android.content.SharedPreferences;
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import android.net.ConnectivityManager;
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import android.net.NetworkInfo;
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import android.net.Uri;
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import android.os.Bundle;
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import android.os.Environment;
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import android.os.IBinder;
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import android.util.Log;
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import android.widget.RemoteViews;
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import java.net.URL;
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import java.net.URLConnection;
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import java.io.BufferedInputStream;
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import java.io.BufferedOutputStream;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.FileInputStream;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.security.MessageDigest;
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import java.util.Calendar;
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import java.util.Date;
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import java.util.GregorianCalendar;
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import java.util.Locale;
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import java.util.Random;
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import java.util.TimeZone;
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import javax.xml.parsers.DocumentBuilder;
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import javax.xml.parsers.DocumentBuilderFactory;
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public class UpdateService extends IntentService {
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private static final int BUFSIZE = 8192;
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private static final int NOTIFICATION_ID = 0x3e40ddbd;
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private static final String LOGTAG = "UpdateService";
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private static final int INTERVAL_LONG = 86400000; // in milliseconds
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private static final int INTERVAL_SHORT = 14400000; // again, in milliseconds
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private static final int INTERVAL_RETRY = 3600000;
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private static final String PREFS_NAME = "UpdateService";
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private static final String KEY_LAST_BUILDID = "UpdateService.lastBuildID";
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private static final String KEY_LAST_HASH_FUNCTION = "UpdateService.lastHashFunction";
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private static final String KEY_LAST_HASH_VALUE = "UpdateService.lastHashValue";
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private static final String KEY_LAST_ATTEMPT_DATE = "UpdateService.lastAttemptDate";
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private static final String KEY_AUTODOWNLOAD_POLICY = "UpdateService.autoDownloadPolicy";
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private SharedPreferences mPrefs;
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private NotificationManager mNotificationManager;
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private ConnectivityManager mConnectivityManager;
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private boolean mDownloading;
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private boolean mApplyImmediately;
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public UpdateService() {
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super("updater");
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}
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@Override
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public void onCreate () {
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super.onCreate();
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mPrefs = getSharedPreferences(PREFS_NAME, 0);
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mNotificationManager = (NotificationManager)getSystemService(Context.NOTIFICATION_SERVICE);
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mConnectivityManager = (ConnectivityManager)getSystemService(Context.CONNECTIVITY_SERVICE);
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}
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@Override
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public synchronized int onStartCommand (Intent intent, int flags, int startId) {
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// If we are busy doing a download, the new Intent here would normally be queued for
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// execution once that is done. In this case, however, we want to flip the boolean
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// while that is running, so handle that now.
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if (mDownloading && UpdateServiceHelper.ACTION_APPLY_UPDATE.equals(intent.getAction())) {
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Log.i(LOGTAG, "will apply update when download finished");
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mApplyImmediately = true;
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showDownloadNotification();
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} else {
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super.onStartCommand(intent, flags, startId);
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}
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return Service.START_REDELIVER_INTENT;
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}
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@Override
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protected void onHandleIntent (Intent intent) {
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if (UpdateServiceHelper.ACTION_REGISTER_FOR_UPDATES.equals(intent.getAction())) {
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int policy = intent.getIntExtra(UpdateServiceHelper.EXTRA_AUTODOWNLOAD_NAME, -1);
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if (policy >= 0) {
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setAutoDownloadPolicy(policy);
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}
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registerForUpdates(false);
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} else if (UpdateServiceHelper.ACTION_CHECK_FOR_UPDATE.equals(intent.getAction())) {
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startUpdate(intent.getIntExtra(UpdateServiceHelper.EXTRA_UPDATE_FLAGS_NAME, 0));
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} else if (UpdateServiceHelper.ACTION_APPLY_UPDATE.equals(intent.getAction())) {
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applyUpdate(intent.getStringExtra(UpdateServiceHelper.EXTRA_PACKAGE_PATH_NAME));
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}
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}
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private static boolean hasFlag(int flags, int flag) {
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return (flags & flag) == flag;
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}
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private void sendCheckUpdateResult(boolean result) {
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Intent resultIntent = new Intent(UpdateServiceHelper.ACTION_CHECK_UPDATE_RESULT);
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resultIntent.putExtra("result", result);
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sendBroadcast(resultIntent);
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}
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private int getUpdateInterval(boolean isRetry) {
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int interval;
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if (isRetry) {
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interval = INTERVAL_RETRY;
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} else if (UpdateServiceHelper.UPDATE_CHANNEL.equals("nightly") ||
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UpdateServiceHelper.UPDATE_CHANNEL.equals("aurora")) {
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interval = INTERVAL_SHORT;
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} else {
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interval = INTERVAL_LONG;
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}
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return interval;
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}
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private void registerForUpdates(boolean isRetry) {
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Calendar lastAttempt = getLastAttemptDate();
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Calendar now = new GregorianCalendar(TimeZone.getTimeZone("GMT"));
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int interval = getUpdateInterval(isRetry);
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if (lastAttempt == null || (now.getTimeInMillis() - lastAttempt.getTimeInMillis()) > interval) {
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// We've either never attempted an update, or we are passed the desired
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// time. Start an update now.
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Log.i(LOGTAG, "no update has ever been attempted, checking now");
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startUpdate(0);
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return;
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}
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AlarmManager manager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
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if (manager == null)
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return;
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PendingIntent pending = PendingIntent.getService(this, 0, new Intent(UpdateServiceHelper.ACTION_CHECK_FOR_UPDATE, null, this, UpdateService.class), PendingIntent.FLAG_UPDATE_CURRENT);
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manager.cancel(pending);
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lastAttempt.setTimeInMillis(lastAttempt.getTimeInMillis() + interval);
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Log.i(LOGTAG, "next update will be at: " + lastAttempt.getTime());
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manager.set(AlarmManager.RTC_WAKEUP, lastAttempt.getTimeInMillis(), pending);
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}
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private void startUpdate(int flags) {
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setLastAttemptDate();
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NetworkInfo netInfo = mConnectivityManager.getActiveNetworkInfo();
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if (netInfo == null || !netInfo.isConnected()) {
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Log.i(LOGTAG, "not connected to the network");
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registerForUpdates(true);
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sendCheckUpdateResult(false);
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return;
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}
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registerForUpdates(false);
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UpdateInfo info = findUpdate(hasFlag(flags, UpdateServiceHelper.FLAG_REINSTALL));
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boolean haveUpdate = (info != null);
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sendCheckUpdateResult(haveUpdate);
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if (!haveUpdate) {
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Log.i(LOGTAG, "no update available");
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return;
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}
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Log.i(LOGTAG, "update available, buildID = " + info.buildID);
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int connectionType = netInfo.getType();
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int autoDownloadPolicy = getAutoDownloadPolicy();
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/**
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* We only start a download automatically if one of following criteria are met:
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*
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* - We have a FORCE_DOWNLOAD flag passed in
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* - The preference is set to 'always'
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* - The preference is set to 'wifi' and we are actually using wifi (or regular ethernet)
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*/
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boolean shouldStartDownload = hasFlag(flags, UpdateServiceHelper.FLAG_FORCE_DOWNLOAD) ||
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autoDownloadPolicy == UpdateServiceHelper.AUTODOWNLOAD_ENABLED ||
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(autoDownloadPolicy == UpdateServiceHelper.AUTODOWNLOAD_WIFI &&
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(connectionType == ConnectivityManager.TYPE_WIFI || connectionType == ConnectivityManager.TYPE_ETHERNET));
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if (!shouldStartDownload) {
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Log.i(LOGTAG, "not initiating automatic update download due to policy " + autoDownloadPolicy);
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// We aren't autodownloading here, so prompt to start the update
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Notification notification = new Notification(R.drawable.ic_status_logo, null, System.currentTimeMillis());
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Intent notificationIntent = new Intent(UpdateServiceHelper.ACTION_CHECK_FOR_UPDATE);
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notificationIntent.setClass(this, UpdateService.class);
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notificationIntent.putExtra(UpdateServiceHelper.EXTRA_UPDATE_FLAGS_NAME, UpdateServiceHelper.FLAG_FORCE_DOWNLOAD);
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PendingIntent contentIntent = PendingIntent.getService(this, 0, notificationIntent, PendingIntent.FLAG_UPDATE_CURRENT);
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notification.flags = Notification.FLAG_AUTO_CANCEL;
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notification.setLatestEventInfo(this, getResources().getString(R.string.updater_start_title),
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getResources().getString(R.string.updater_start_select),
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contentIntent);
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mNotificationManager.notify(NOTIFICATION_ID, notification);
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return;
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}
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File pkg = downloadUpdatePackage(info, hasFlag(flags, UpdateServiceHelper.FLAG_OVERWRITE_EXISTING));
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if (pkg == null)
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return;
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Log.i(LOGTAG, "have update package at " + pkg);
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saveUpdateInfo(info);
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if (mApplyImmediately) {
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applyUpdate(pkg);
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} else {
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// Prompt to apply the update
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Notification notification = new Notification(R.drawable.ic_status_logo, null, System.currentTimeMillis());
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Intent notificationIntent = new Intent(UpdateServiceHelper.ACTION_APPLY_UPDATE);
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notificationIntent.setClass(this, UpdateService.class);
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notificationIntent.putExtra(UpdateServiceHelper.EXTRA_PACKAGE_PATH_NAME, pkg.getAbsolutePath());
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PendingIntent contentIntent = PendingIntent.getService(this, 0, notificationIntent, PendingIntent.FLAG_UPDATE_CURRENT);
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notification.flags = Notification.FLAG_AUTO_CANCEL;
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notification.setLatestEventInfo(this, getResources().getString(R.string.updater_apply_title),
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getResources().getString(R.string.updater_apply_select),
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contentIntent);
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mNotificationManager.notify(NOTIFICATION_ID, notification);
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}
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}
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private UpdateInfo findUpdate(boolean force) {
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try {
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URL url = UpdateServiceHelper.getUpdateUrl(this, force);
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DocumentBuilder builder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
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Document dom = builder.parse(url.openConnection().getInputStream());
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NodeList nodes = dom.getElementsByTagName("update");
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if (nodes == null || nodes.getLength() == 0)
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return null;
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Node updateNode = nodes.item(0);
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Node buildIdNode = updateNode.getAttributes().getNamedItem("buildID");
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if (buildIdNode == null)
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return null;
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nodes = dom.getElementsByTagName("patch");
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if (nodes == null || nodes.getLength() == 0)
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return null;
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Node patchNode = nodes.item(0);
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Node urlNode = patchNode.getAttributes().getNamedItem("URL");
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Node hashFunctionNode = patchNode.getAttributes().getNamedItem("hashFunction");
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Node hashValueNode = patchNode.getAttributes().getNamedItem("hashValue");
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Node sizeNode = patchNode.getAttributes().getNamedItem("size");
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if (urlNode == null || hashFunctionNode == null ||
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hashValueNode == null || sizeNode == null) {
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return null;
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}
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// Fill in UpdateInfo from the XML data
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UpdateInfo info = new UpdateInfo();
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info.url = new URL(urlNode.getTextContent());
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info.buildID = buildIdNode.getTextContent();
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info.hashFunction = hashFunctionNode.getTextContent();
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info.hashValue = hashValueNode.getTextContent();
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try {
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info.size = Integer.parseInt(sizeNode.getTextContent());
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} catch (NumberFormatException e) {
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Log.e(LOGTAG, "Failed to find APK size: ", e);
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return null;
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}
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// Make sure we have all the stuff we need to apply the update
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if (!info.isValid()) {
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Log.e(LOGTAG, "missing some required update information, have: " + info);
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return null;
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}
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return info;
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} catch (Exception e) {
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Log.e(LOGTAG, "failed to check for update: ", e);
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return null;
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}
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}
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private MessageDigest createMessageDigest(String hashFunction) {
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String javaHashFunction = null;
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if ("sha512".equals(hashFunction)) {
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javaHashFunction = "SHA-512";
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} else {
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Log.e(LOGTAG, "Unhandled hash function: " + hashFunction);
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return null;
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}
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try {
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return MessageDigest.getInstance(javaHashFunction);
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} catch (java.security.NoSuchAlgorithmException e) {
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Log.e(LOGTAG, "Couldn't find algorithm " + javaHashFunction, e);
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return null;
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}
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}
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private void showDownloadNotification() {
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showDownloadNotification(null);
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}
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private void showDownloadNotification(File downloadFile) {
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Notification notification = new Notification(android.R.drawable.stat_sys_download, null, System.currentTimeMillis());
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Intent notificationIntent = new Intent(UpdateServiceHelper.ACTION_APPLY_UPDATE);
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notificationIntent.setClass(this, UpdateService.class);
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if (downloadFile != null)
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notificationIntent.putExtra(UpdateServiceHelper.EXTRA_PACKAGE_PATH_NAME, downloadFile.getAbsolutePath());
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PendingIntent contentIntent = PendingIntent.getService(this, 0, notificationIntent, PendingIntent.FLAG_UPDATE_CURRENT);
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notification.setLatestEventInfo(this, getResources().getString(R.string.updater_downloading_title),
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mApplyImmediately ? "" : getResources().getString(R.string.updater_downloading_select),
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contentIntent);
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mNotificationManager.notify(NOTIFICATION_ID, notification);
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}
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private void showDownloadFailure() {
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Notification notification = new Notification(R.drawable.ic_status_logo, null, System.currentTimeMillis());
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Intent notificationIntent = new Intent(UpdateServiceHelper.ACTION_CHECK_FOR_UPDATE);
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notificationIntent.setClass(this, UpdateService.class);
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PendingIntent contentIntent = PendingIntent.getService(this, 0, notificationIntent, PendingIntent.FLAG_UPDATE_CURRENT);
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notification.setLatestEventInfo(this, getResources().getString(R.string.updater_downloading_title_failed),
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getResources().getString(R.string.updater_downloading_retry),
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contentIntent);
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mNotificationManager.notify(NOTIFICATION_ID, notification);
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}
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private File downloadUpdatePackage(UpdateInfo info, boolean overwriteExisting) {
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File downloadFile = new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS), new File(info.url.getFile()).getName());
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if (!overwriteExisting && info.buildID.equals(getLastBuildID()) && downloadFile.exists()) {
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// The last saved buildID is the same as the one for the current update. We also have a file
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// already downloaded, so it's probably the package we want. Verify it to be sure and just
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// return that if it matches.
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if (verifyDownloadedPackage(downloadFile)) {
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Log.i(LOGTAG, "using existing update package");
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return downloadFile;
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} else {
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// Didn't match, so we're going to download a new one.
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downloadFile.delete();
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}
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}
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Log.i(LOGTAG, "downloading update package");
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OutputStream output = null;
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InputStream input = null;
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mDownloading = true;
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showDownloadNotification(downloadFile);
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try {
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URLConnection conn = info.url.openConnection();
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int length = conn.getContentLength();
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output = new BufferedOutputStream(new FileOutputStream(downloadFile));
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input = new BufferedInputStream(conn.getInputStream());
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byte[] buf = new byte[BUFSIZE];
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int len = 0;
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int bytesRead = 0;
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float lastPercent = 0.0f;
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while ((len = input.read(buf, 0, BUFSIZE)) > 0) {
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output.write(buf, 0, len);
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bytesRead += len;
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}
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Log.i(LOGTAG, "completed update download!");
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mNotificationManager.cancel(NOTIFICATION_ID);
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return downloadFile;
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} catch (Exception e) {
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downloadFile.delete();
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showDownloadFailure();
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Log.e(LOGTAG, "failed to download update: ", e);
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return null;
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} finally {
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try {
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if (input != null)
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input.close();
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} catch (java.io.IOException e) {}
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try {
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if (output != null)
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output.close();
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} catch (java.io.IOException e) {}
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mDownloading = false;
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}
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}
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private boolean verifyDownloadedPackage(File updateFile) {
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MessageDigest digest = createMessageDigest(getLastHashFunction());
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if (digest == null)
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return false;
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InputStream input = null;
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try {
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input = new BufferedInputStream(new FileInputStream(updateFile));
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byte[] buf = new byte[BUFSIZE];
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int len;
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while ((len = input.read(buf, 0, BUFSIZE)) > 0) {
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digest.update(buf, 0, len);
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}
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} catch (java.io.IOException e) {
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Log.e(LOGTAG, "Failed to verify update package: ", e);
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return false;
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} finally {
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try {
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if (input != null)
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input.close();
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} catch(java.io.IOException e) {}
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}
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String hex = Hex.encodeHexString(digest.digest());
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if (!hex.equals(getLastHashValue())) {
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Log.e(LOGTAG, "Package hash does not match");
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return false;
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}
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return true;
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}
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private void applyUpdate(String updatePath) {
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applyUpdate(new File(updatePath));
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}
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private void applyUpdate(File updateFile) {
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mApplyImmediately = false;
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if (!updateFile.exists())
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return;
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Log.i(LOGTAG, "Verifying package: " + updateFile);
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if (!verifyDownloadedPackage(updateFile)) {
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Log.e(LOGTAG, "Not installing update, failed verification");
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return;
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}
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Intent intent = new Intent(Intent.ACTION_VIEW);
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intent.setDataAndType(Uri.fromFile(updateFile), "application/vnd.android.package-archive");
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intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
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startActivity(intent);
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}
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private String getLastBuildID() {
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return mPrefs.getString(KEY_LAST_BUILDID, null);
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}
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private String getLastHashFunction() {
|
|
return mPrefs.getString(KEY_LAST_HASH_FUNCTION, null);
|
|
}
|
|
|
|
private String getLastHashValue() {
|
|
return mPrefs.getString(KEY_LAST_HASH_VALUE, null);
|
|
}
|
|
|
|
private Calendar getLastAttemptDate() {
|
|
long lastAttempt = mPrefs.getLong(KEY_LAST_ATTEMPT_DATE, -1);
|
|
if (lastAttempt < 0)
|
|
return null;
|
|
|
|
GregorianCalendar cal = new GregorianCalendar(TimeZone.getTimeZone("GMT"));
|
|
cal.setTimeInMillis(lastAttempt);
|
|
return cal;
|
|
}
|
|
|
|
private void setLastAttemptDate() {
|
|
SharedPreferences.Editor editor = mPrefs.edit();
|
|
editor.putLong(KEY_LAST_ATTEMPT_DATE, System.currentTimeMillis());
|
|
editor.commit();
|
|
}
|
|
|
|
private int getAutoDownloadPolicy() {
|
|
return mPrefs.getInt(KEY_AUTODOWNLOAD_POLICY, UpdateServiceHelper.AUTODOWNLOAD_WIFI);
|
|
}
|
|
|
|
private void setAutoDownloadPolicy(int policy) {
|
|
SharedPreferences.Editor editor = mPrefs.edit();
|
|
editor.putInt(KEY_AUTODOWNLOAD_POLICY, policy);
|
|
editor.commit();
|
|
}
|
|
|
|
private void saveUpdateInfo(UpdateInfo info) {
|
|
SharedPreferences.Editor editor = mPrefs.edit();
|
|
editor.putString(KEY_LAST_BUILDID, info.buildID);
|
|
editor.putString(KEY_LAST_HASH_FUNCTION, info.hashFunction);
|
|
editor.putString(KEY_LAST_HASH_VALUE, info.hashValue);
|
|
editor.commit();
|
|
}
|
|
|
|
private class UpdateInfo {
|
|
public URL url;
|
|
public String buildID;
|
|
public String hashFunction;
|
|
public String hashValue;
|
|
public int size;
|
|
|
|
private boolean isNonEmpty(String s) {
|
|
return s != null && s.length() > 0;
|
|
}
|
|
|
|
public boolean isValid() {
|
|
return url != null && isNonEmpty(buildID) &&
|
|
isNonEmpty(hashFunction) && isNonEmpty(hashValue) && size > 0;
|
|
}
|
|
|
|
@Override
|
|
public String toString() {
|
|
return "url = " + url + ", buildID = " + buildID + ", hashFunction = " + hashFunction + ", hashValue = " + hashValue + ", size = " + size;
|
|
}
|
|
}
|
|
}
|