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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.AccountManagerTypes;
21 import com.android.emailcommon.CalendarProviderStub;
22 import com.android.emailcommon.provider.EmailContent;
23 
24 import android.accounts.AbstractAccountAuthenticator;
25 import android.accounts.Account;
26 import android.accounts.AccountAuthenticatorResponse;
27 import android.accounts.AccountManager;
28 import android.accounts.NetworkErrorException;
29 import android.app.Service;
30 import android.content.ContentResolver;
31 import android.content.Context;
32 import android.content.Intent;
33 import android.os.Bundle;
34 import android.os.IBinder;
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 EasAuthenticatorService 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 EasAuthenticator extends AbstractAccountAuthenticator {
50         private Context mContext;
51 
EasAuthenticator(Context context)52         public EasAuthenticator(Context context) {
53             super(context);
54             mContext = context;
55         }
56 
57         @Override
addAccount(AccountAuthenticatorResponse response, String accountType, String authTokenType, String[] requiredFeatures, Bundle options)58         public Bundle addAccount(AccountAuthenticatorResponse response, String accountType,
59                 String authTokenType, String[] requiredFeatures, Bundle options)
60                 throws NetworkErrorException {
61             // There are two cases here:
62             // 1) We are called with a username/password; this comes from the traditional email
63             //    app UI; we simply create the account and return the proper bundle
64             if (options != null && options.containsKey(OPTIONS_PASSWORD)
65                     && options.containsKey(OPTIONS_USERNAME)) {
66                 final Account account = new Account(options.getString(OPTIONS_USERNAME),
67                         AccountManagerTypes.TYPE_EXCHANGE);
68                 AccountManager.get(EasAuthenticatorService.this).addAccountExplicitly(
69                             account, options.getString(OPTIONS_PASSWORD), null);
70 
71                 // Set up contacts syncing.  ExchangeService will use info from ContentResolver
72                 // to determine syncability of Contacts for Exchange
73                 boolean syncContacts = false;
74                 if (options.containsKey(OPTIONS_CONTACTS_SYNC_ENABLED) &&
75                         options.getBoolean(OPTIONS_CONTACTS_SYNC_ENABLED)) {
76                     syncContacts = true;
77                 }
78                 ContentResolver.setIsSyncable(account, ContactsContract.AUTHORITY, 1);
79                 ContentResolver.setSyncAutomatically(account, ContactsContract.AUTHORITY,
80                         syncContacts);
81 
82                 // Set up calendar syncing, as above
83                 boolean syncCalendar = false;
84                 if (options.containsKey(OPTIONS_CALENDAR_SYNC_ENABLED) &&
85                         options.getBoolean(OPTIONS_CALENDAR_SYNC_ENABLED)) {
86                     syncCalendar = true;
87                 }
88                 ContentResolver.setIsSyncable(account, CalendarProviderStub.AUTHORITY, 1);
89                 ContentResolver.setSyncAutomatically(account, CalendarProviderStub.AUTHORITY,
90                         syncCalendar);
91 
92                 // Set up email syncing, as above
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, AccountManagerTypes.TYPE_EXCHANGE);
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                     AccountSetupBasics.actionSetupExchangeIntent(EasAuthenticatorService.this);
113                 intent.putExtra(AccountManager.KEY_ACCOUNT_AUTHENTICATOR_RESPONSE, response);
114                 b.putParcelable(AccountManager.KEY_INTENT, intent);
115                 return b;
116             }
117         }
118 
119         @Override
confirmCredentials(AccountAuthenticatorResponse response, Account account, Bundle options)120         public Bundle confirmCredentials(AccountAuthenticatorResponse response, Account account,
121                 Bundle options) {
122             return null;
123         }
124 
125         @Override
editProperties(AccountAuthenticatorResponse response, String accountType)126         public Bundle editProperties(AccountAuthenticatorResponse response, String accountType) {
127             return null;
128         }
129 
130         @Override
getAuthToken(AccountAuthenticatorResponse response, Account account, String authTokenType, Bundle loginOptions)131         public Bundle getAuthToken(AccountAuthenticatorResponse response, Account account,
132                 String authTokenType, Bundle loginOptions) throws NetworkErrorException {
133             return null;
134         }
135 
136         @Override
getAuthTokenLabel(String authTokenType)137         public String getAuthTokenLabel(String authTokenType) {
138             // null means we don't have compartmentalized authtoken types
139             return null;
140         }
141 
142         @Override
hasFeatures(AccountAuthenticatorResponse response, Account account, String[] features)143         public Bundle hasFeatures(AccountAuthenticatorResponse response, Account account,
144                 String[] features) throws NetworkErrorException {
145             return null;
146         }
147 
148         @Override
updateCredentials(AccountAuthenticatorResponse response, Account account, String authTokenType, Bundle loginOptions)149         public Bundle updateCredentials(AccountAuthenticatorResponse response, Account account,
150                 String authTokenType, Bundle loginOptions) {
151             return null;
152         }
153 
154     }
155 
156     @Override
onBind(Intent intent)157     public IBinder onBind(Intent intent) {
158         if (AccountManager.ACTION_AUTHENTICATOR_INTENT.equals(intent.getAction())) {
159             return new EasAuthenticator(this).getIBinder();
160         } else {
161             return null;
162         }
163     }
164 }
165