1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/mobile/android/base/sync/receivers/SyncAccountDeletedService.java Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,148 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +package org.mozilla.gecko.sync.receivers;
1.9 +
1.10 +import org.mozilla.gecko.sync.ExtendedJSONObject;
1.11 +import org.mozilla.gecko.background.common.GlobalConstants;
1.12 +import org.mozilla.gecko.background.common.log.Logger;
1.13 +import org.mozilla.gecko.sync.Sync11Configuration;
1.14 +import org.mozilla.gecko.sync.SyncConstants;
1.15 +import org.mozilla.gecko.sync.SyncConfiguration;
1.16 +import org.mozilla.gecko.sync.Utils;
1.17 +import org.mozilla.gecko.sync.config.AccountPickler;
1.18 +import org.mozilla.gecko.sync.config.ClientRecordTerminator;
1.19 +import org.mozilla.gecko.sync.net.BasicAuthHeaderProvider;
1.20 +import org.mozilla.gecko.sync.setup.Constants;
1.21 +import org.mozilla.gecko.sync.setup.SyncAccounts.SyncAccountParameters;
1.22 +
1.23 +import android.accounts.AccountManager;
1.24 +import android.app.IntentService;
1.25 +import android.content.Context;
1.26 +import android.content.Intent;
1.27 +import android.content.SharedPreferences;
1.28 +
1.29 +public class SyncAccountDeletedService extends IntentService {
1.30 + public static final String LOG_TAG = "SyncAccountDeletedService";
1.31 +
1.32 + public SyncAccountDeletedService() {
1.33 + super(LOG_TAG);
1.34 + }
1.35 +
1.36 + @Override
1.37 + protected void onHandleIntent(Intent intent) {
1.38 + // Intent can, in theory, be null. Bug 1025937.
1.39 + if (intent == null) {
1.40 + Logger.debug(LOG_TAG, "Short-circuiting on null intent.");
1.41 + return;
1.42 + }
1.43 +
1.44 + final Context context = this;
1.45 +
1.46 + long intentVersion = intent.getLongExtra(Constants.JSON_KEY_VERSION, 0);
1.47 + long expectedVersion = SyncConstants.SYNC_ACCOUNT_DELETED_INTENT_VERSION;
1.48 + if (intentVersion != expectedVersion) {
1.49 + Logger.warn(LOG_TAG, "Intent malformed: version " + intentVersion + " given but version " + expectedVersion + "expected. " +
1.50 + "Not cleaning up after deleted Account.");
1.51 + return;
1.52 + }
1.53 +
1.54 + String accountName = intent.getStringExtra(Constants.JSON_KEY_ACCOUNT); // Android Account name, not Sync encoded account name.
1.55 + if (accountName == null) {
1.56 + Logger.warn(LOG_TAG, "Intent malformed: no account name given. Not cleaning up after deleted Account.");
1.57 + return;
1.58 + }
1.59 +
1.60 + // Delete the Account pickle.
1.61 + Logger.info(LOG_TAG, "Sync account named " + accountName + " being removed; " +
1.62 + "deleting saved pickle file '" + Constants.ACCOUNT_PICKLE_FILENAME + "'.");
1.63 + deletePickle(context);
1.64 +
1.65 + SyncAccountParameters params;
1.66 + try {
1.67 + String payload = intent.getStringExtra(Constants.JSON_KEY_PAYLOAD);
1.68 + if (payload == null) {
1.69 + Logger.warn(LOG_TAG, "Intent malformed: no payload given. Not deleting client record.");
1.70 + return;
1.71 + }
1.72 + ExtendedJSONObject o = ExtendedJSONObject.parseJSONObject(payload);
1.73 + params = new SyncAccountParameters(context, AccountManager.get(context), o);
1.74 + } catch (Exception e) {
1.75 + Logger.warn(LOG_TAG, "Got exception fetching account parameters from intent data; not deleting client record.");
1.76 + return;
1.77 + }
1.78 +
1.79 + // Bug 770785: delete the Account's client record.
1.80 + Logger.info(LOG_TAG, "Account named " + accountName + " being removed; " +
1.81 + "deleting client record from server.");
1.82 + deleteClientRecord(context, accountName, params.password, params.serverURL);
1.83 + }
1.84 +
1.85 + public static void deletePickle(final Context context) {
1.86 + try {
1.87 + AccountPickler.deletePickle(context, Constants.ACCOUNT_PICKLE_FILENAME);
1.88 + } catch (Exception e) {
1.89 + // This should never happen, but we really don't want to die in a background thread.
1.90 + Logger.warn(LOG_TAG, "Got exception deleting saved pickle file; ignoring.", e);
1.91 + }
1.92 + }
1.93 +
1.94 + public static void deleteClientRecord(final Context context, final String accountName,
1.95 + final String password, final String serverURL) {
1.96 + String encodedUsername;
1.97 + try {
1.98 + encodedUsername = Utils.usernameFromAccount(accountName);
1.99 + } catch (Exception e) {
1.100 + Logger.warn(LOG_TAG, "Got exception deleting client record from server; ignoring.", e);
1.101 + return;
1.102 + }
1.103 +
1.104 + if (accountName == null || encodedUsername == null || password == null || serverURL == null) {
1.105 + Logger.warn(LOG_TAG, "Account parameters were null; not deleting client record from server.");
1.106 + return;
1.107 + }
1.108 +
1.109 + // This is not exactly modular. We need to get some information about
1.110 + // the account, namely the current clusterURL and client GUID, and we
1.111 + // extract it by hand. We're not worried about the Account being
1.112 + // deleted out from under us since the prefs remain even after Account
1.113 + // deletion.
1.114 + final String product = GlobalConstants.BROWSER_INTENT_PACKAGE;
1.115 + final String profile = Constants.DEFAULT_PROFILE;
1.116 + final long version = SyncConfiguration.CURRENT_PREFS_VERSION;
1.117 +
1.118 + SharedPreferences prefs;
1.119 + try {
1.120 + prefs = Utils.getSharedPreferences(context, product, encodedUsername, serverURL, profile, version);
1.121 + } catch (Exception e) {
1.122 + Logger.warn(LOG_TAG, "Caught exception fetching preferences; not deleting client record from server.", e);
1.123 + return;
1.124 + }
1.125 +
1.126 + try {
1.127 + final String clientGUID = prefs.getString(SyncConfiguration.PREF_ACCOUNT_GUID, null);
1.128 + if (clientGUID == null) {
1.129 + Logger.warn(LOG_TAG, "Client GUID was null; not deleting client record from server.");
1.130 + return;
1.131 + }
1.132 +
1.133 + BasicAuthHeaderProvider authHeaderProvider = new BasicAuthHeaderProvider(encodedUsername, password);
1.134 + SyncConfiguration configuration = new Sync11Configuration(encodedUsername, authHeaderProvider, prefs);
1.135 + if (configuration.getClusterURL() == null) {
1.136 + Logger.warn(LOG_TAG, "Cluster URL was null; not deleting client record from server.");
1.137 + return;
1.138 + }
1.139 +
1.140 + try {
1.141 + ClientRecordTerminator.deleteClientRecord(configuration, clientGUID);
1.142 + } catch (Exception e) {
1.143 + // This should never happen, but we really don't want to die in a background thread.
1.144 + Logger.warn(LOG_TAG, "Got exception deleting client record from server; ignoring.", e);
1.145 + }
1.146 + } finally {
1.147 + // Finally, a good place to do this.
1.148 + prefs.edit().clear().commit();
1.149 + }
1.150 + }
1.151 +}
