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