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.service.EmailServiceUtils.EmailServiceInfo;
20 import com.android.email.setup.AuthenticatorSetupIntentHelper;
21 import com.android.emailcommon.provider.EmailContent;
22 
23 import android.accounts.AbstractAccountAuthenticator;
24 import android.accounts.Account;
25 import android.accounts.AccountAuthenticatorResponse;
26 import android.accounts.AccountManager;
27 import android.accounts.NetworkErrorException;
28 import android.app.Service;
29 import android.content.ContentResolver;
30 import android.content.Context;
31 import android.content.Intent;
32 import android.os.Bundle;
33 import android.os.IBinder;
34 import android.provider.CalendarContract;
35 import android.provider.ContactsContract;
36 
37 /**
38  * A very basic authenticator service for EAS.  At the moment, it has no UI hooks.  When called
39  * with addAccount, it simply adds the account to AccountManager directly with a username and
40  * password.
41  */
42 public class AuthenticatorService extends Service {
43     public static final String OPTIONS_USERNAME = "username";
44     public static final String OPTIONS_PASSWORD = "password";
45     public static final String OPTIONS_CONTACTS_SYNC_ENABLED = "contacts";
46     public static final String OPTIONS_CALENDAR_SYNC_ENABLED = "calendar";
47     public static final String OPTIONS_EMAIL_SYNC_ENABLED = "email";
48 
49     class Authenticator extends AbstractAccountAuthenticator {
50 
Authenticator(Context context)51         public Authenticator(Context context) {
52             super(context);
53         }
54 
55         @Override
addAccount(AccountAuthenticatorResponse response, String accountType, String authTokenType, String[] requiredFeatures, Bundle options)56         public Bundle addAccount(AccountAuthenticatorResponse response, String accountType,
57                 String authTokenType, String[] requiredFeatures, Bundle options)
58                 throws NetworkErrorException {
59 
60             final String protocol = EmailServiceUtils.getProtocolFromAccountType(
61                     AuthenticatorService.this, accountType);
62             final EmailServiceInfo info = EmailServiceUtils.getServiceInfo(
63                     AuthenticatorService.this, protocol);
64 
65                     // There are two cases here:
66             // 1) We are called with a username/password; this comes from the traditional email
67             //    app UI; we simply create the account and return the proper bundle
68             if (options != null && options.containsKey(OPTIONS_PASSWORD)
69                     && options.containsKey(OPTIONS_USERNAME)) {
70                 final Account account = new Account(options.getString(OPTIONS_USERNAME),
71                         accountType);
72                 AccountManager.get(AuthenticatorService.this).addAccountExplicitly(
73                             account, options.getString(OPTIONS_PASSWORD), null);
74 
75                 // Set up contacts syncing, if appropriate
76                 if (info != null && info.syncContacts) {
77                     boolean syncContacts = options.getBoolean(OPTIONS_CONTACTS_SYNC_ENABLED, false);
78                     ContentResolver.setIsSyncable(account, ContactsContract.AUTHORITY, 1);
79                     ContentResolver.setSyncAutomatically(account, ContactsContract.AUTHORITY,
80                             syncContacts);
81                 }
82 
83                 // Set up calendar syncing, if appropriate
84                 if (info != null && info.syncCalendar) {
85                     boolean syncCalendar = options.getBoolean(OPTIONS_CALENDAR_SYNC_ENABLED, false);
86                     ContentResolver.setIsSyncable(account, CalendarContract.AUTHORITY, 1);
87                     ContentResolver.setSyncAutomatically(account, CalendarContract.AUTHORITY,
88                             syncCalendar);
89                 }
90 
91                 // Set up email syncing (it's always syncable, but we respect the user's choice
92                 // for whether to enable it now)
93                 boolean syncEmail = false;
94                 if (options.containsKey(OPTIONS_EMAIL_SYNC_ENABLED) &&
95                         options.getBoolean(OPTIONS_EMAIL_SYNC_ENABLED)) {
96                     syncEmail = true;
97                 }
98                 ContentResolver.setIsSyncable(account, EmailContent.AUTHORITY, 1);
99                 ContentResolver.setSyncAutomatically(account, EmailContent.AUTHORITY,
100                         syncEmail);
101 
102                 Bundle b = new Bundle();
103                 b.putString(AccountManager.KEY_ACCOUNT_NAME, options.getString(OPTIONS_USERNAME));
104                 b.putString(AccountManager.KEY_ACCOUNT_TYPE, accountType);
105                 return b;
106             // 2) The other case is that we're creating a new account from an Account manager
107             //    activity.  In this case, we add an intent that will be used to gather the
108             //    account information...
109             } else {
110                 Bundle b = new Bundle();
111                 Intent intent =
112                         AuthenticatorSetupIntentHelper.actionGetCreateAccountIntent(
113                                 AuthenticatorService.this, accountType);
114                 intent.putExtra(AccountManager.KEY_ACCOUNT_AUTHENTICATOR_RESPONSE, response);
115                 b.putParcelable(AccountManager.KEY_INTENT, intent);
116                 return b;
117             }
118         }
119 
120         @Override
confirmCredentials(AccountAuthenticatorResponse response, Account account, Bundle options)121         public Bundle confirmCredentials(AccountAuthenticatorResponse response, Account account,
122                 Bundle options) {
123             return null;
124         }
125 
126         @Override
editProperties(AccountAuthenticatorResponse response, String accountType)127         public Bundle editProperties(AccountAuthenticatorResponse response, String accountType) {
128             return null;
129         }
130 
131         @Override
getAuthToken(AccountAuthenticatorResponse response, Account account, String authTokenType, Bundle loginOptions)132         public Bundle getAuthToken(AccountAuthenticatorResponse response, Account account,
133                 String authTokenType, Bundle loginOptions) throws NetworkErrorException {
134             return null;
135         }
136 
137         @Override
getAuthTokenLabel(String authTokenType)138         public String getAuthTokenLabel(String authTokenType) {
139             // null means we don't have compartmentalized authtoken types
140             return null;
141         }
142 
143         @Override
hasFeatures(AccountAuthenticatorResponse response, Account account, String[] features)144         public Bundle hasFeatures(AccountAuthenticatorResponse response, Account account,
145                 String[] features) throws NetworkErrorException {
146             return null;
147         }
148 
149         @Override
updateCredentials(AccountAuthenticatorResponse response, Account account, String authTokenType, Bundle loginOptions)150         public Bundle updateCredentials(AccountAuthenticatorResponse response, Account account,
151                 String authTokenType, Bundle loginOptions) {
152             return null;
153         }
154 
155     }
156 
157     @Override
onBind(Intent intent)158     public IBinder onBind(Intent intent) {
159         if (AccountManager.ACTION_AUTHENTICATOR_INTENT.equals(intent.getAction())) {
160             return new Authenticator(this).getIBinder();
161         } else {
162             return null;
163         }
164     }
165 }
166