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.fxa.authenticator;
michael@0: 
michael@0: import org.mozilla.gecko.background.common.log.Logger;
michael@0: import org.mozilla.gecko.fxa.FxAccountConstants;
michael@0: import org.mozilla.gecko.fxa.activities.FxAccountGetStartedActivity;
michael@0: 
michael@0: import android.accounts.AbstractAccountAuthenticator;
michael@0: import android.accounts.Account;
michael@0: import android.accounts.AccountAuthenticatorResponse;
michael@0: import android.accounts.AccountManager;
michael@0: import android.accounts.NetworkErrorException;
michael@0: import android.content.Context;
michael@0: import android.content.Intent;
michael@0: import android.os.Bundle;
michael@0: 
michael@0: public class FxAccountAuthenticator extends AbstractAccountAuthenticator {
michael@0:   public static final String LOG_TAG = FxAccountAuthenticator.class.getSimpleName();
michael@0: 
michael@0:   protected final Context context;
michael@0:   protected final AccountManager accountManager;
michael@0: 
michael@0:   public FxAccountAuthenticator(Context context) {
michael@0:     super(context);
michael@0:     this.context = context;
michael@0:     this.accountManager = AccountManager.get(context);
michael@0:   }
michael@0: 
michael@0:   @Override
michael@0:   public Bundle addAccount(AccountAuthenticatorResponse response,
michael@0:       String accountType, String authTokenType, String[] requiredFeatures,
michael@0:       Bundle options)
michael@0:           throws NetworkErrorException {
michael@0:     Logger.debug(LOG_TAG, "addAccount");
michael@0: 
michael@0:     final Bundle res = new Bundle();
michael@0: 
michael@0:     if (!FxAccountConstants.ACCOUNT_TYPE.equals(accountType)) {
michael@0:       res.putInt(AccountManager.KEY_ERROR_CODE, -1);
michael@0:       res.putString(AccountManager.KEY_ERROR_MESSAGE, "Not adding unknown account type.");
michael@0:       return res;
michael@0:     }
michael@0: 
michael@0:     Intent intent = new Intent(context, FxAccountGetStartedActivity.class);
michael@0:     res.putParcelable(AccountManager.KEY_INTENT, intent);
michael@0:     return res;
michael@0:   }
michael@0: 
michael@0:   @Override
michael@0:   public Bundle confirmCredentials(AccountAuthenticatorResponse response, Account account, Bundle options)
michael@0:       throws NetworkErrorException {
michael@0:     Logger.debug(LOG_TAG, "confirmCredentials");
michael@0: 
michael@0:     return null;
michael@0:   }
michael@0: 
michael@0:   @Override
michael@0:   public Bundle editProperties(AccountAuthenticatorResponse response, String accountType) {
michael@0:     Logger.debug(LOG_TAG, "editProperties");
michael@0: 
michael@0:     return null;
michael@0:   }
michael@0: 
michael@0:   @Override
michael@0:   public Bundle getAuthToken(final AccountAuthenticatorResponse response,
michael@0:       final Account account, final String authTokenType, final Bundle options)
michael@0:           throws NetworkErrorException {
michael@0:     Logger.debug(LOG_TAG, "getAuthToken");
michael@0: 
michael@0:     Logger.warn(LOG_TAG, "Returning null bundle for getAuthToken.");
michael@0: 
michael@0:     return null;
michael@0:   }
michael@0: 
michael@0:   @Override
michael@0:   public String getAuthTokenLabel(String authTokenType) {
michael@0:     Logger.debug(LOG_TAG, "getAuthTokenLabel");
michael@0: 
michael@0:     return null;
michael@0:   }
michael@0: 
michael@0:   @Override
michael@0:   public Bundle hasFeatures(AccountAuthenticatorResponse response,
michael@0:       Account account, String[] features) throws NetworkErrorException {
michael@0:     Logger.debug(LOG_TAG, "hasFeatures");
michael@0: 
michael@0:     return null;
michael@0:   }
michael@0: 
michael@0:   @Override
michael@0:   public Bundle updateCredentials(AccountAuthenticatorResponse response,
michael@0:       Account account, String authTokenType, Bundle options)
michael@0:           throws NetworkErrorException {
michael@0:     Logger.debug(LOG_TAG, "updateCredentials");
michael@0: 
michael@0:     return null;
michael@0:   }
michael@0: 
michael@0:   /**
michael@0:    * If the account is going to be removed, broadcast an "account deleted"
michael@0:    * intent. This allows us to clean up the account.
michael@0:    * <p>
michael@0:    * It is preferable to receive Android's LOGIN_ACCOUNTS_CHANGED_ACTION broadcast
michael@0:    * than to create our own hacky broadcast here, but that doesn't include enough
michael@0:    * information about which Accounts changed to correctly identify whether a Sync
michael@0:    * account has been removed (when some Firefox channels are installed on the SD
michael@0:    * card). We can work around this by storing additional state but it's both messy
michael@0:    * and expensive because the broadcast is noisy.
michael@0:    * <p>
michael@0:    * Note that this is <b>not</b> called when an Android Account is blown away
michael@0:    * due to the SD card being unmounted.
michael@0:    */
michael@0:   @Override
michael@0:   public Bundle getAccountRemovalAllowed(final AccountAuthenticatorResponse response, Account account)
michael@0:       throws NetworkErrorException {
michael@0:     Bundle result = super.getAccountRemovalAllowed(response, account);
michael@0: 
michael@0:     if (result == null ||
michael@0:         !result.containsKey(AccountManager.KEY_BOOLEAN_RESULT) ||
michael@0:         result.containsKey(AccountManager.KEY_INTENT)) {
michael@0:       return result;
michael@0:     }
michael@0: 
michael@0:     final boolean removalAllowed = result.getBoolean(AccountManager.KEY_BOOLEAN_RESULT);
michael@0:     if (!removalAllowed) {
michael@0:       return result;
michael@0:     }
michael@0: 
michael@0:     // Broadcast a message to all Firefox channels sharing this Android
michael@0:     // Account type telling that this Firefox account has been deleted.
michael@0:     //
michael@0:     // Broadcast intents protected with permissions are secure, so it's okay
michael@0:     // to include private information such as a password.
michael@0:     final Intent intent = AndroidFxAccount.makeDeletedAccountIntent(context, account);
michael@0:     Logger.info(LOG_TAG, "Account named " + account.name + " being removed; " +
michael@0:         "broadcasting secure intent " + intent.getAction() + ".");
michael@0:     context.sendBroadcast(intent, FxAccountConstants.PER_ACCOUNT_TYPE_PERMISSION);
michael@0: 
michael@0:     return result;
michael@0:   }
michael@0: }