The Tor Browser: mobile/android/base/sync/receivers/SyncAccountDeletedService.java@6474c204b198 (annotated)

mobile/android/base/sync/receivers/SyncAccountDeletedService.java@6474c204b198 (annotated)

mobile/android/base/sync/receivers/SyncAccountDeletedService.java

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 package org.mozilla.gecko.sync.receivers;
 import org.mozilla.gecko.sync.ExtendedJSONObject;
 import org.mozilla.gecko.background.common.GlobalConstants;
 import org.mozilla.gecko.background.common.log.Logger;
 import org.mozilla.gecko.sync.Sync11Configuration;
 import org.mozilla.gecko.sync.SyncConstants;
 import org.mozilla.gecko.sync.SyncConfiguration;
 import org.mozilla.gecko.sync.Utils;
 import org.mozilla.gecko.sync.config.AccountPickler;
 import org.mozilla.gecko.sync.config.ClientRecordTerminator;
 import org.mozilla.gecko.sync.net.BasicAuthHeaderProvider;
 import org.mozilla.gecko.sync.setup.Constants;
 import org.mozilla.gecko.sync.setup.SyncAccounts.SyncAccountParameters;
 import android.accounts.AccountManager;
 import android.app.IntentService;
 import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
 public class SyncAccountDeletedService extends IntentService {
   public static final String LOG_TAG = "SyncAccountDeletedService";
   public SyncAccountDeletedService() {
     super(LOG_TAG);
   }
   @Override
   protected void onHandleIntent(Intent intent) {
     // Intent can, in theory, be null. Bug 1025937.
     if (intent == null) {
       Logger.debug(LOG_TAG, "Short-circuiting on null intent.");
       return;
     }
     final Context context = this;
     long intentVersion = intent.getLongExtra(Constants.JSON_KEY_VERSION, 0);
     long expectedVersion = SyncConstants.SYNC_ACCOUNT_DELETED_INTENT_VERSION;
     if (intentVersion != expectedVersion) {
       Logger.warn(LOG_TAG, "Intent malformed: version " + intentVersion + " given but version " + expectedVersion + "expected. " +
           "Not cleaning up after deleted Account.");
       return;
     }
     String accountName = intent.getStringExtra(Constants.JSON_KEY_ACCOUNT); // Android Account name, not Sync encoded account name.
     if (accountName == null) {
       Logger.warn(LOG_TAG, "Intent malformed: no account name given. Not cleaning up after deleted Account.");
       return;
     }
     // Delete the Account pickle.
     Logger.info(LOG_TAG, "Sync account named " + accountName + " being removed; " +
         "deleting saved pickle file '" + Constants.ACCOUNT_PICKLE_FILENAME + "'.");
     deletePickle(context);
     SyncAccountParameters params;
     try {
       String payload = intent.getStringExtra(Constants.JSON_KEY_PAYLOAD);
       if (payload == null) {
         Logger.warn(LOG_TAG, "Intent malformed: no payload given. Not deleting client record.");
         return;
       }
       ExtendedJSONObject o = ExtendedJSONObject.parseJSONObject(payload);
       params = new SyncAccountParameters(context, AccountManager.get(context), o);
     } catch (Exception e) {
       Logger.warn(LOG_TAG, "Got exception fetching account parameters from intent data; not deleting client record.");
       return;
     }
     // Bug 770785: delete the Account's client record.
     Logger.info(LOG_TAG, "Account named " + accountName + " being removed; " +
         "deleting client record from server.");
     deleteClientRecord(context, accountName, params.password, params.serverURL);
   }
   public static void deletePickle(final Context context) {
     try {
       AccountPickler.deletePickle(context, Constants.ACCOUNT_PICKLE_FILENAME);
     } catch (Exception e) {
       // This should never happen, but we really don't want to die in a background thread.
       Logger.warn(LOG_TAG, "Got exception deleting saved pickle file; ignoring.", e);
     }
   }
   public static void deleteClientRecord(final Context context, final String accountName,
       final String password, final String serverURL) {
     String encodedUsername;
     try {
       encodedUsername = Utils.usernameFromAccount(accountName);
     } catch (Exception e) {
       Logger.warn(LOG_TAG, "Got exception deleting client record from server; ignoring.", e);
       return;
     }
     if (accountName == null || encodedUsername == null || password == null || serverURL == null) {
       Logger.warn(LOG_TAG, "Account parameters were null; not deleting client record from server.");
       return;
     }
     // This is not exactly modular. We need to get some information about
     // the account, namely the current clusterURL and client GUID, and we
     // extract it by hand. We're not worried about the Account being
     // deleted out from under us since the prefs remain even after Account
     // deletion.
     final String product = GlobalConstants.BROWSER_INTENT_PACKAGE;
     final String profile = Constants.DEFAULT_PROFILE;
     final long version = SyncConfiguration.CURRENT_PREFS_VERSION;
     SharedPreferences prefs;
     try {
       prefs = Utils.getSharedPreferences(context, product, encodedUsername, serverURL, profile, version);
     } catch (Exception e) {
       Logger.warn(LOG_TAG, "Caught exception fetching preferences; not deleting client record from server.", e);
       return;
     }
     try {
       final String clientGUID = prefs.getString(SyncConfiguration.PREF_ACCOUNT_GUID, null);
       if (clientGUID == null) {
         Logger.warn(LOG_TAG, "Client GUID was null; not deleting client record from server.");
         return;
       }
       BasicAuthHeaderProvider authHeaderProvider = new BasicAuthHeaderProvider(encodedUsername, password);
       SyncConfiguration configuration = new Sync11Configuration(encodedUsername, authHeaderProvider, prefs);
       if (configuration.getClusterURL() == null) {
         Logger.warn(LOG_TAG, "Cluster URL was null; not deleting client record from server.");
         return;
       }
       try {
         ClientRecordTerminator.deleteClientRecord(configuration, clientGUID);
       } catch (Exception e) {
         // This should never happen, but we really don't want to die in a background thread.
         Logger.warn(LOG_TAG, "Got exception deleting client record from server; ignoring.", e);
       }
     } finally {
       // Finally, a good place to do this.
       prefs.edit().clear().commit();
     }
   }
 }

The Tor Browser / annotate

mobile/android/base/sync/receivers/SyncAccountDeletedService.java@6474c204b198 (annotated)

mobile/android/base/sync/receivers/SyncAccountDeletedService.java