DeviceOwnerProvisioningService.java revision e96a820ff1c9ba76623c1964e3bb1e9eba7dd5ee 
1/*
2 * Copyright 2014, 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
17package com.android.managedprovisioning;
18
19import static android.app.admin.DeviceAdminReceiver.ACTION_PROFILE_PROVISIONING_COMPLETE;
20
21import android.app.AlarmManager;
22import android.app.Service;
23import android.content.ComponentName;
24import android.content.Context;
25import android.content.Intent;
26import android.content.pm.PackageManager;
27import android.os.IBinder;
28import android.provider.Settings.Global;
29import android.provider.Settings.Secure;
30import android.text.TextUtils;
31
32import com.android.internal.app.LocalePicker;
33import com.android.managedprovisioning.task.AddWifiNetworkTask;
34import com.android.managedprovisioning.task.DownloadPackageTask;
35import com.android.managedprovisioning.task.InstallPackageTask;
36import com.android.managedprovisioning.task.SetDevicePolicyTask;
37
38import java.lang.Runnable;
39import java.util.Locale;
40import java.util.concurrent.atomic.AtomicBoolean;
41
42/**
43 * This service does the work for the DeviceOwnerProvisioningActivity.
44 * Feedback is sent back to the activity via intents.
45 *
46 * <p>
47 * If the corresponding activity is killed and restarted, the service is
48 * called twice. The service will not start the provisioning flow a second time, but instead
49 * send a status update to the activity.
50 * </p>
51 */
52public class DeviceOwnerProvisioningService extends Service {
53    /**
54     * Intent action to activate the CDMA phone connection by OTASP.
55     * This is not necessary for a GSM phone connection, which is activated automatically.
56     * String must agree with the constants in com.android.phone.InCallScreenShowActivation.
57     */
58    private static final String ACTION_PERFORM_CDMA_PROVISIONING =
59            "com.android.phone.PERFORM_CDMA_PROVISIONING";
60
61    // Intent actions for communication with DeviceOwnerProvisioningService.
62    public static final String ACTION_PROVISIONING_SUCCESS =
63            "com.android.managedprovisioning.provisioning_success";
64    public static final String ACTION_PROVISIONING_ERROR =
65            "com.android.managedprovisioning.error";
66    public static final String EXTRA_PROVISIONING_ERROR_ID_KEY = "ErrorMessageId";
67    public static final String ACTION_PROGRESS_UPDATE =
68            "com.android.managedprovisioning.progress_update";
69    public static final String EXTRA_PROGRESS_MESSAGE_ID_KEY = "ProgressMessageId";
70
71    private AtomicBoolean mProvisioningInFlight = new AtomicBoolean(false);
72    private int mLastProgressMessage;
73    private int mStartIdProvisioning;
74
75    @Override
76    public int onStartCommand(final Intent intent, int flags, int startId) {
77        if (mProvisioningInFlight.getAndSet(true)) {
78            ProvisionLogger.logd("Provisioning already in flight. Ignoring intent.");
79            sendProgressUpdateToActivity();
80            stopSelf(startId);
81        } else {
82            mStartIdProvisioning = startId;
83
84            // Do the work on a separate thread.
85            new Thread(new Runnable() {
86                    public void run() {
87                        // Load the ProvisioningParams (from Nfc message in Intent).
88                        progressUpdate(R.string.progress_processing_nfc);
89                        ProvisioningParams params;
90                        NfcMessageParser parser = new NfcMessageParser();
91                        try {
92                            params = parser.parseNfcIntent(intent);
93                            initializeProvisioningEnvironment(params);
94                            startDeviceOwnerProvisioning(params);
95                        } catch (NfcMessageParser.ParseException e) {
96                            ProvisionLogger.loge("Could not read Nfc data from intent", e);
97                            error(e.getErrorMessageId());
98                            return;
99                        }
100                    }
101                }).start();
102        }
103        return START_NOT_STICKY;
104    }
105
106    /**
107     * This is the core method of this class. It goes through every provisioning step.
108     */
109    private void startDeviceOwnerProvisioning(final ProvisioningParams params) {
110        ProvisionLogger.logd("Starting device owner provisioning");
111
112        // Construct Tasks. Do not start them yet.
113        final AddWifiNetworkTask addWifiNetworkTask = new AddWifiNetworkTask(this, params.mWifiSsid,
114                params.mWifiHidden, params.mWifiSecurityType, params.mWifiPassword,
115                params.mWifiProxyHost, params.mWifiProxyPort, params.mWifiProxyBypassHosts);
116        final DownloadPackageTask downloadPackageTask = new DownloadPackageTask(this,
117                params.mDownloadLocation, params.mHash);
118        final InstallPackageTask installPackageTask = new InstallPackageTask(this,
119                params.mDeviceAdminPackageName, params.mAdminReceiver);
120        final SetDevicePolicyTask setDevicePolicyTask = new SetDevicePolicyTask(this,
121                params.mDeviceAdminPackageName, params.mAdminReceiver, params.mOwner);
122
123        // Set callbacks.
124        addWifiNetworkTask.setCallback(new AddWifiNetworkTask.Callback() {
125            @Override
126            public void onSuccess() {
127                if (downloadPackageTask.downloadLocationWasProvided()) {
128                    progressUpdate(R.string.progress_download);
129                    downloadPackageTask.run();
130                } else {
131                    progressUpdate(R.string.progress_set_owner);
132                    setDevicePolicyTask.run();
133                }
134            }
135
136            @Override
137            public void onError(){
138                error(R.string.device_owner_error_wifi);
139            }
140        });
141
142        downloadPackageTask.setCallback(new DownloadPackageTask.Callback() {
143            @Override
144            public void onSuccess() {
145                String downloadLocation = downloadPackageTask.getDownloadedPackageLocation();
146                Runnable cleanupRunnable = downloadPackageTask.getCleanUpDownloadRunnable();
147                progressUpdate(R.string.progress_install);
148                installPackageTask.run(downloadLocation, cleanupRunnable);
149            }
150
151            @Override
152            public void onError(int errorCode) {
153                switch(errorCode) {
154                    case DownloadPackageTask.ERROR_HASH_MISMATCH:
155                        error(R.string.device_owner_error_hash_mismatch);
156                        break;
157                    case DownloadPackageTask.ERROR_DOWNLOAD_FAILED:
158                        error(R.string.device_owner_error_download_failed);
159                        break;
160                    default:
161                        error(R.string.device_owner_error_general);
162                        break;
163                }
164            }
165        });
166
167        installPackageTask.setCallback(new InstallPackageTask.Callback() {
168            @Override
169            public void onSuccess() {
170                progressUpdate(R.string.progress_set_owner);
171                setDevicePolicyTask.run();
172            }
173
174            @Override
175            public void onError(int errorCode) {
176                switch(errorCode) {
177                    case InstallPackageTask.ERROR_PACKAGE_INVALID:
178                        error(R.string.device_owner_error_package_invalid);
179                        break;
180                    case InstallPackageTask.ERROR_INSTALLATION_FAILED:
181                        error(R.string.device_owner_error_installation_failed);
182                        break;
183                    default:
184                        error(R.string.device_owner_error_general);
185                        break;
186                }
187            }
188        });
189
190        setDevicePolicyTask.setCallback(new SetDevicePolicyTask.Callback() {
191            public void onSuccess() {
192                // Done with provisioning. Success.
193                onProvisioningSuccess(
194                        new ComponentName(params.mDeviceAdminPackageName, params.mAdminReceiver));
195            }
196            public void onError(int errorCode) {
197                switch(errorCode) {
198                    case SetDevicePolicyTask.ERROR_PACKAGE_NOT_INSTALLED:
199                        error(R.string.device_owner_error_package_not_installed);
200                        break;
201                    default:
202                        error(R.string.device_owner_error_general);
203                        break;
204                }
205            }
206        });
207
208
209        // Start first task, which starts next task in its callback, etc.
210        if (addWifiNetworkTask.wifiCredentialsWereProvided()) {
211            progressUpdate(R.string.progress_connect_to_wifi);
212            addWifiNetworkTask.run();
213        } else {
214            progressUpdate(R.string.progress_set_owner);
215            setDevicePolicyTask.run();
216        }
217    }
218
219    private void error(int dialogMessage) {
220        ProvisionLogger.logd("Reporting Error with code " + dialogMessage);
221        Intent intent = new Intent(ACTION_PROVISIONING_ERROR);
222        intent.putExtra(EXTRA_PROVISIONING_ERROR_ID_KEY, dialogMessage);
223        sendBroadcast(intent);
224        stopSelf(mStartIdProvisioning);
225    }
226
227    private void progressUpdate(int progressMessage) {
228        ProvisionLogger.logd("Reporting progress update with code " + progressMessage);
229        mLastProgressMessage = progressMessage;
230        sendProgressUpdateToActivity();
231    }
232
233    private void sendProgressUpdateToActivity() {
234        Intent intent = new Intent(ACTION_PROGRESS_UPDATE);
235        intent.putExtra(EXTRA_PROGRESS_MESSAGE_ID_KEY, mLastProgressMessage);
236        sendBroadcast(intent);
237    }
238
239    private void onProvisioningSuccess(ComponentName deviceAdminComponent) {
240        sendBroadcast(new Intent(ACTION_PROVISIONING_SUCCESS));
241
242        // Skip the setup wizard.
243        Global.putInt(getContentResolver(), Global.DEVICE_PROVISIONED, 1);
244        Secure.putInt(getContentResolver(), Secure.USER_SETUP_COMPLETE, 1);
245
246        Intent completeIntent = new Intent(ACTION_PROFILE_PROVISIONING_COMPLETE);
247        completeIntent.setComponent(deviceAdminComponent);
248        completeIntent.addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES |
249            Intent.FLAG_RECEIVER_FOREGROUND);
250        sendBroadcast(completeIntent);
251
252        stopSelf(mStartIdProvisioning);
253    }
254
255    private void initializeProvisioningEnvironment(ProvisioningParams params) {
256        setTimeAndTimezone(params.mTimeZone, params.mLocalTime);
257        setLocale(params.mLocale);
258
259        // Start CDMA activation to enable phone calls.
260        final Intent intent = new Intent(ACTION_PERFORM_CDMA_PROVISIONING);
261        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
262        ProvisionLogger.logv("Starting cdma activation activity");
263        startActivity(intent); // Activity will be a Nop if not a CDMA device.
264    }
265
266    private void setTimeAndTimezone(String timeZone, Long localTime) {
267        try {
268            final AlarmManager am = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
269            if (timeZone != null) {
270                ProvisionLogger.logd("Setting time zone to " + timeZone);
271                am.setTimeZone(timeZone);
272            }
273            if (localTime != null) {
274                ProvisionLogger.logd("Setting time to " + localTime);
275                am.setTime(localTime);
276            }
277        } catch (Exception e) {
278            ProvisionLogger.loge("Alarm manager failed to set the system time/timezone.");
279            // Do not stop provisioning process, but ignore this error.
280        }
281    }
282
283    private void setLocale(Locale locale) {
284        if (locale == null || locale.equals(Locale.getDefault())) {
285            return;
286        }
287        try {
288            ProvisionLogger.logd("Setting locale to " + locale);
289            // If locale is different from current locale this results in a configuration change,
290            // which will trigger the restarting of the activity.
291            LocalePicker.updateLocale(locale);
292        } catch (Exception e) {
293            ProvisionLogger.loge("Failed to set the system locale.");
294            // Do not stop provisioning process, but ignore this error.
295        }
296    }
297
298    @Override
299    public IBinder onBind(Intent intent) {
300        return null;
301    }
302}
303
304