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      1 /*
      2  * Copyright (C) 2009 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.email.service;
     18 
     19 import com.android.email.activity.setup.AccountSetupBasics;
     20 import com.android.emailcommon.provider.EmailContent;
     21 
     22 import android.accounts.AbstractAccountAuthenticator;
     23 import android.accounts.Account;
     24 import android.accounts.AccountAuthenticatorResponse;
     25 import android.accounts.AccountManager;
     26 import android.accounts.NetworkErrorException;
     27 import android.app.Service;
     28 import android.content.ContentResolver;
     29 import android.content.Context;
     30 import android.content.Intent;
     31 import android.os.Bundle;
     32 import android.os.IBinder;
     33 import android.provider.CalendarContract;
     34 import android.provider.ContactsContract;
     35 
     36 /**
     37  * A very basic authenticator service for EAS.  At the moment, it has no UI hooks.  When called
     38  * with addAccount, it simply adds the account to AccountManager directly with a username and
     39  * password.
     40  */
     41 public class AuthenticatorService extends Service {
     42     public static final String OPTIONS_USERNAME = "username";
     43     public static final String OPTIONS_PASSWORD = "password";
     44     public static final String OPTIONS_CONTACTS_SYNC_ENABLED = "contacts";
     45     public static final String OPTIONS_CALENDAR_SYNC_ENABLED = "calendar";
     46     public static final String OPTIONS_EMAIL_SYNC_ENABLED = "email";
     47 
     48     class Authenticator extends AbstractAccountAuthenticator {
     49 
     50         public Authenticator(Context context) {
     51             super(context);
     52         }
     53 
     54         @Override
     55         public Bundle addAccount(AccountAuthenticatorResponse response, String accountType,
     56                 String authTokenType, String[] requiredFeatures, Bundle options)
     57                 throws NetworkErrorException {
     58 
     59             // There are two cases here:
     60             // 1) We are called with a username/password; this comes from the traditional email
     61             //    app UI; we simply create the account and return the proper bundle
     62             if (options != null && options.containsKey(OPTIONS_PASSWORD)
     63                     && options.containsKey(OPTIONS_USERNAME)) {
     64                 final Account account = new Account(options.getString(OPTIONS_USERNAME),
     65                         accountType);
     66                 AccountManager.get(AuthenticatorService.this).addAccountExplicitly(
     67                             account, options.getString(OPTIONS_PASSWORD), null);
     68 
     69                 // Set up contacts syncing, if appropriate
     70                 if (options.containsKey(OPTIONS_CONTACTS_SYNC_ENABLED)) {
     71                     boolean syncContacts = options.getBoolean(OPTIONS_CONTACTS_SYNC_ENABLED);
     72                     ContentResolver.setIsSyncable(account, ContactsContract.AUTHORITY, 1);
     73                     ContentResolver.setSyncAutomatically(account, ContactsContract.AUTHORITY,
     74                             syncContacts);
     75                 }
     76 
     77                 // Set up calendar syncing, if appropriate
     78                 if (options.containsKey(OPTIONS_CALENDAR_SYNC_ENABLED)) {
     79                     boolean syncCalendar = options.getBoolean(OPTIONS_CALENDAR_SYNC_ENABLED);
     80                     ContentResolver.setIsSyncable(account, CalendarContract.AUTHORITY, 1);
     81                     ContentResolver.setSyncAutomatically(account, CalendarContract.AUTHORITY,
     82                             syncCalendar);
     83                 }
     84 
     85                 // Set up email syncing (it's always syncable, but we respect the user's choice
     86                 // for whether to enable it now)
     87                 boolean syncEmail = false;
     88                 if (options.containsKey(OPTIONS_EMAIL_SYNC_ENABLED) &&
     89                         options.getBoolean(OPTIONS_EMAIL_SYNC_ENABLED)) {
     90                     syncEmail = true;
     91                 }
     92                 ContentResolver.setIsSyncable(account, EmailContent.AUTHORITY, 1);
     93                 ContentResolver.setSyncAutomatically(account, EmailContent.AUTHORITY,
     94                         syncEmail);
     95 
     96                 Bundle b = new Bundle();
     97                 b.putString(AccountManager.KEY_ACCOUNT_NAME, options.getString(OPTIONS_USERNAME));
     98                 b.putString(AccountManager.KEY_ACCOUNT_TYPE, accountType);
     99                 return b;
    100             // 2) The other case is that we're creating a new account from an Account manager
    101             //    activity.  In this case, we add an intent that will be used to gather the
    102             //    account information...
    103             } else {
    104                 Bundle b = new Bundle();
    105                 Intent intent =
    106                     AccountSetupBasics.actionGetCreateAccountIntent(AuthenticatorService.this,
    107                             accountType);
    108                 intent.putExtra(AccountManager.KEY_ACCOUNT_AUTHENTICATOR_RESPONSE, response);
    109                 b.putParcelable(AccountManager.KEY_INTENT, intent);
    110                 return b;
    111             }
    112         }
    113 
    114         @Override
    115         public Bundle confirmCredentials(AccountAuthenticatorResponse response, Account account,
    116                 Bundle options) {
    117             return null;
    118         }
    119 
    120         @Override
    121         public Bundle editProperties(AccountAuthenticatorResponse response, String accountType) {
    122             return null;
    123         }
    124 
    125         @Override
    126         public Bundle getAuthToken(AccountAuthenticatorResponse response, Account account,
    127                 String authTokenType, Bundle loginOptions) throws NetworkErrorException {
    128             return null;
    129         }
    130 
    131         @Override
    132         public String getAuthTokenLabel(String authTokenType) {
    133             // null means we don't have compartmentalized authtoken types
    134             return null;
    135         }
    136 
    137         @Override
    138         public Bundle hasFeatures(AccountAuthenticatorResponse response, Account account,
    139                 String[] features) throws NetworkErrorException {
    140             return null;
    141         }
    142 
    143         @Override
    144         public Bundle updateCredentials(AccountAuthenticatorResponse response, Account account,
    145                 String authTokenType, Bundle loginOptions) {
    146             return null;
    147         }
    148 
    149     }
    150 
    151     @Override
    152     public IBinder onBind(Intent intent) {
    153         if (AccountManager.ACTION_AUTHENTICATOR_INTENT.equals(intent.getAction())) {
    154             return new Authenticator(this).getIBinder();
    155         } else {
    156             return null;
    157         }
    158     }
    159 }
    160