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Merge "Add DynamicAndroidInstallationService"

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TreeHugger Robot
2019-02-13 16:44:55 +00:00
committed by Android (Google) Code Review
parent 50b2e00950 64aa78297f
commit 2a10cb0c3e
11 changed files with 1145 additions and 0 deletions
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5
data/etc/privapp-permissions-platform.xml
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@@ -328,4 +328,9 @@ applications that come with the platform
<permission name="android.permission.CONTROL_VPN"/>
</privapp-permissions>
<privapp-permissions package="com.android.dynandroid">
<permission name="android.permission.REBOOT"/>
<permission name="android.permission.MANAGE_DYNAMIC_ANDROID"/>
</privapp-permissions>
</permissions>

19
packages/DynamicAndroidInstallationService/Android.mk Normal file
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@@ -0,0 +1,19 @@
LOCAL_PATH:= $(call my-dir)
include $(CLEAR_VARS)
LOCAL_MODULE_TAGS := optional
LOCAL_SRC_FILES := $(call all-java-files-under, src)
LOCAL_RESOURCE_DIR := $(addprefix $(LOCAL_PATH)/, res)
LOCAL_USE_AAPT2 := true
LOCAL_PACKAGE_NAME := DynamicAndroidInstallationService
LOCAL_CERTIFICATE := platform
LOCAL_PRIVILEGED_MODULE := true
LOCAL_PRIVATE_PLATFORM_APIS := true
LOCAL_PROGUARD_ENABLED := disabled
include $(BUILD_PACKAGE)

47
packages/DynamicAndroidInstallationService/AndroidManifest.xml Normal file
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@@ -0,0 +1,47 @@
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.android.dynandroid"
android:sharedUserId="android.uid.system">
<uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.MANAGE_DYNAMNIC_ANDROID" />
<uses-permission android:name="android.permission.REBOOT" />
<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
<application
android:allowBackup="false"
android:label="@string/app_name">
<service
android:name=".DynamicAndroidInstallationService"
android:enabled="true"
android:exported="true"
android:permission="android.permission.MANAGE_DYNAMNIC_ANDROID"
android:process=":dynandroid">
<intent-filter>
<action android:name="android.content.action.NOTIFY_IF_IN_USE" />
<category android:name="android.intent.category.DEFAULT" />
</intent-filter>
</service>
<activity android:name=".VerificationActivity"
android:exported="true"
android:permission="android.permission.MANAGE_DYNAMNIC_ANDROID"
android:theme="@android:style/Theme.Material.Light.Dialog.NoActionBar"
android:process=":dynandroid">
<intent-filter>
<action android:name="android.content.action.START_INSTALL" />
<category android:name="android.intent.category.DEFAULT" />
</intent-filter>
</activity>
<receiver
android:name=".BootCompletedReceiver"
android:enabled="true"
android:exported="false">
<intent-filter>
<action android:name="android.intent.action.BOOT_COMPLETED" />
</intent-filter>
</receiver>
</application>
</manifest>

0
packages/DynamicAndroidInstallationService/MODULE_LICENSE_APACHE2 Normal file
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190
packages/DynamicAndroidInstallationService/NOTICE Normal file
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@@ -0,0 +1,190 @@
Copyright (c) 2005-2008, The Android Open Source Project
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
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END OF TERMS AND CONDITIONS

9
packages/DynamicAndroidInstallationService/res/drawable/ic_system_update_googblue_24dp.xml Normal file
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@@ -0,0 +1,9 @@
<vector xmlns:android="http://schemas.android.com/apk/res/android"
android:width="24dp"
android:height="24dp"
android:viewportWidth="24"
android:viewportHeight="24">
<path
android:pathData="M17,1.01L7,1c-1.1,0 -2,0.9 -2,2v18c0,1.1 0.9,2 2,2h10c1.1,0 2,-0.9 2,-2L19,3c0,-1.1 -0.9,-1.99 -2,-1.99zM17,19L7,19L7,5h10v14zM16,13h-3L13,8h-2v5L8,13l4,4 4,-4z"
android:fillColor="#4285F4"/>
</vector>

33
packages/DynamicAndroidInstallationService/res/values/strings.xml Normal file
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@@ -0,0 +1,33 @@
<?xml version="1.0" encoding="utf-8"?>
<resources>
<!-- application name [CHAR LIMIT=32] -->
<string name="app_name">AndroidOnTap Installer</string>
<!-- notification channel name [CHAR LIMIT=32] -->
<string name="notification_channel_name">AndroidOnTap Installer</string>
<!-- password page title [CHAR LIMIT=32] -->
<string name="keyguard_title">AndroidOnTap Installer</string>
<!-- password page description [CHAR LIMIT=128] -->
<string name="keyguard_description">Please enter your password and continue to AndroidOnTap installation</string>
<!-- Displayed on notification: DynAndroid installation is completed [CHAR LIMIT=128] -->
<string name="notification_install_completed">Installation is completed, you can reboot into the new installed system now.</string>
<!-- Displayed on notification: DynAndroid installation is in progress [CHAR LIMIT=128] -->
<string name="notification_install_inprogress">Installation is in progress.</string>
<!-- Displayed on notification: DynAndroid installation is in progress [CHAR LIMIT=128] -->
<string name="notification_install_failed">Installation Failed.</string>
<!-- Displayed on notification: We are running in AndroidOnTap [CHAR LIMIT=128] -->
<string name="notification_dynandroid_in_use">We are running in AndroidOnTap.</string>
<!-- Action on notification: Cancel installation [CHAR LIMIT=16] -->
<string name="notification_action_cancel">Cancel</string>
<!-- Action on notification: Discard installation [CHAR LIMIT=16] -->
<string name="notification_action_discard">Discard</string>
<!-- Action on notification: Uninstall AndroidOnTap [CHAR LIMIT=16] -->
<string name="notification_action_uninstall">Uninstall</string>
<!-- Action on notification: Reboot to AndroidOnTap [CHAR LIMIT=16] -->
<string name="notification_action_reboot_to_dynandroid">Reboot</string>
</resources>

50
packages/DynamicAndroidInstallationService/src/com/android/dynandroid/BootCompletedReceiver.java Normal file
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@@ -0,0 +1,50 @@
/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.dynandroid;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.DynamicAndroidClient;
import android.content.Intent;
import android.os.UserHandle;
import android.util.Log;
/**
* A BoardcastReceiver waiting for ACTION_BOOT_COMPLETED and ask
* the service to display a notification if we are currently running
* in DynamicAndroid.
*/
public class BootCompletedReceiver extends BroadcastReceiver {
private static final String TAG = "BootCompletedReceiver";
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
Log.d(TAG, "Broadcast received: " + action);
if (Intent.ACTION_BOOT_COMPLETED.equals(action)) {
Intent startServiceIntent = new Intent(
context, DynamicAndroidInstallationService.class);
startServiceIntent.setAction(DynamicAndroidClient.ACTION_NOTIFY_IF_IN_USE);
context.startServiceAsUser(startServiceIntent, UserHandle.SYSTEM);
}
}
}

483
packages/DynamicAndroidInstallationService/src/com/android/dynandroid/DynamicAndroidInstallationService.java Normal file
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@@ -0,0 +1,483 @@
/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.dynandroid;
import static android.content.DynamicAndroidClient.ACTION_NOTIFY_IF_IN_USE;
import static android.content.DynamicAndroidClient.ACTION_START_INSTALL;
import static android.content.DynamicAndroidClient.CAUSE_ERROR_EXCEPTION;
import static android.content.DynamicAndroidClient.CAUSE_ERROR_INVALID_URL;
import static android.content.DynamicAndroidClient.CAUSE_ERROR_IO;
import static android.content.DynamicAndroidClient.CAUSE_INSTALL_CANCELLED;
import static android.content.DynamicAndroidClient.CAUSE_INSTALL_COMPLETED;
import static android.content.DynamicAndroidClient.CAUSE_NOT_SPECIFIED;
import static android.content.DynamicAndroidClient.STATUS_IN_PROGRESS;
import static android.content.DynamicAndroidClient.STATUS_IN_USE;
import static android.content.DynamicAndroidClient.STATUS_NOT_STARTED;
import static android.content.DynamicAndroidClient.STATUS_READY;
import static android.os.AsyncTask.Status.FINISHED;
import static android.os.AsyncTask.Status.PENDING;
import static android.os.AsyncTask.Status.RUNNING;
import static com.android.dynandroid.InstallationAsyncTask.RESULT_ERROR_EXCEPTION;
import static com.android.dynandroid.InstallationAsyncTask.RESULT_ERROR_INVALID_URL;
import static com.android.dynandroid.InstallationAsyncTask.RESULT_ERROR_IO;
import static com.android.dynandroid.InstallationAsyncTask.RESULT_OK;
import android.app.Notification;
import android.app.NotificationChannel;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.app.Service;
import android.content.Context;
import android.content.DynamicAndroidClient;
import android.content.Intent;
import android.os.Bundle;
import android.os.DynamicAndroidManager;
import android.os.Handler;
import android.os.IBinder;
import android.os.Message;
import android.os.Messenger;
import android.os.PowerManager;
import android.os.RemoteException;
import android.util.Log;
import java.lang.ref.WeakReference;
import java.util.ArrayList;
/**
* This class is the service in charge of DynamicAndroid installation.
* It also posts status to notification bar and wait for user's
* cancel and confirm commnands.
*/
public class DynamicAndroidInstallationService extends Service
implements InstallationAsyncTask.InstallStatusListener {
private static final String TAG = "DynAndroidInstallationService";
/*
* Intent actions
*/
private static final String ACTION_CANCEL_INSTALL =
"com.android.dynandroid.ACTION_CANCEL_INSTALL";
private static final String ACTION_REBOOT_TO_DYN_ANDROID =
"com.android.dynandroid.ACTION_REBOOT_TO_DYN_ANDROID";
private static final String ACTION_REBOOT_TO_NORMAL =
"com.android.dynandroid.ACTION_REBOOT_TO_NORMAL";
/*
* For notification
*/
private static final String NOTIFICATION_CHANNEL_ID = "com.android.dynandroid";
private static final int NOTIFICATION_ID = 1;
/*
* IPC
*/
/** Keeps track of all current registered clients. */
ArrayList<Messenger> mClients = new ArrayList<>();
/** Handler of incoming messages from clients. */
final Messenger mMessenger = new Messenger(new IncomingHandler(this));
static class IncomingHandler extends Handler {
private final WeakReference<DynamicAndroidInstallationService> mWeakService;
IncomingHandler(DynamicAndroidInstallationService service) {
mWeakService = new WeakReference<>(service);
}
@Override
public void handleMessage(Message msg) {
DynamicAndroidInstallationService service = mWeakService.get();
if (service != null) {
service.handleMessage(msg);
}
}
}
private DynamicAndroidManager mDynAndroid;
private NotificationManager mNM;
private long mSystemSize;
private long mInstalledSize;
private boolean mJustCancelledByUser;
private PendingIntent mPiCancel;
private PendingIntent mPiRebootToDynamicAndroid;
private PendingIntent mPiUninstallAndReboot;
private InstallationAsyncTask mInstallTask;
@Override
public void onCreate() {
super.onCreate();
prepareNotification();
mDynAndroid = (DynamicAndroidManager) getSystemService(Context.DYNAMIC_ANDROID_SERVICE);
}
@Override
public void onDestroy() {
// Cancel the persistent notification.
mNM.cancel(NOTIFICATION_ID);
}
@Override
public IBinder onBind(Intent intent) {
return mMessenger.getBinder();
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
String action = intent.getAction();
Log.d(TAG, "onStartCommand(): action=" + action);
if (ACTION_START_INSTALL.equals(action)) {
executeInstallCommand(intent);
} else if (ACTION_CANCEL_INSTALL.equals(action)) {
executeCancelCommand();
} else if (ACTION_REBOOT_TO_DYN_ANDROID.equals(action)) {
executeRebootToDynAndroidCommand();
} else if (ACTION_REBOOT_TO_NORMAL.equals(action)) {
executeRebootToNormalCommand();
} else if (ACTION_NOTIFY_IF_IN_USE.equals(action)) {
executeNotifyIfInUseCommand();
}
return Service.START_NOT_STICKY;
}
@Override
public void onProgressUpdate(long installedSize) {
mInstalledSize = installedSize;
postStatus(STATUS_IN_PROGRESS, CAUSE_NOT_SPECIFIED);
}
@Override
public void onResult(int result) {
if (result == RESULT_OK) {
postStatus(STATUS_READY, CAUSE_INSTALL_COMPLETED);
return;
}
// if it's not successful, reset the task and stop self.
resetTaskAndStop();
switch (result) {
case RESULT_ERROR_IO:
postStatus(STATUS_NOT_STARTED, CAUSE_ERROR_IO);
break;
case RESULT_ERROR_INVALID_URL:
postStatus(STATUS_NOT_STARTED, CAUSE_ERROR_INVALID_URL);
break;
case RESULT_ERROR_EXCEPTION:
postStatus(STATUS_NOT_STARTED, CAUSE_ERROR_EXCEPTION);
break;
}
}
@Override
public void onCancelled() {
resetTaskAndStop();
postStatus(STATUS_NOT_STARTED, CAUSE_INSTALL_CANCELLED);
}
private void executeInstallCommand(Intent intent) {
if (!verifyRequest(intent)) {
Log.e(TAG, "Verification failed. Did you use VerificationActivity?");
return;
}
if (mInstallTask != null) {
Log.e(TAG, "There is already an install task running");
return;
}
if (isInDynamicAndroid()) {
Log.e(TAG, "We are already running in DynamicAndroid");
return;
}
String url = intent.getStringExtra(DynamicAndroidClient.KEY_SYSTEM_URL);
mSystemSize = intent.getLongExtra(DynamicAndroidClient.KEY_SYSTEM_SIZE, 0);
long userdata = intent.getLongExtra(DynamicAndroidClient.KEY_USERDATA_SIZE, 0);
mInstallTask = new InstallationAsyncTask(url, mSystemSize, userdata, mDynAndroid, this);
mInstallTask.execute();
// start fore ground
startForeground(NOTIFICATION_ID,
buildNotification(STATUS_IN_PROGRESS, CAUSE_NOT_SPECIFIED));
}
private void executeCancelCommand() {
if (mInstallTask == null || mInstallTask.getStatus() == PENDING) {
Log.e(TAG, "Cancel command triggered, but there is no task running");
mNM.cancel(NOTIFICATION_ID);
return;
}
mJustCancelledByUser = true;
if (mInstallTask.cancel(false)) {
// Will cleanup and post status in onCancelled()
Log.d(TAG, "Cancel request filed successfully");
} else {
Log.d(TAG, "Requested cancel, completed task will be discarded");
resetTaskAndStop();
postStatus(STATUS_NOT_STARTED, CAUSE_INSTALL_CANCELLED);
}
}
private void executeRebootToDynAndroidCommand() {
if (mInstallTask == null || mInstallTask.getStatus() != FINISHED) {
Log.e(TAG, "Trying to reboot to DynamicAndroid, but there is no complete installation");
return;
}
if (!mInstallTask.commit()) {
// TODO: b/123673280 better UI response
Log.e(TAG, "Failed to commit installation because of native runtime error.");
mNM.cancel(NOTIFICATION_ID);
return;
}
PowerManager powerManager = (PowerManager) getSystemService(Context.POWER_SERVICE);
if (powerManager != null) {
powerManager.reboot("dynandroid");
}
}
private void executeRebootToNormalCommand() {
mDynAndroid.remove();
PowerManager powerManager = (PowerManager) getSystemService(Context.POWER_SERVICE);
if (powerManager != null) {
powerManager.reboot(null);
}
}
private void executeNotifyIfInUseCommand() {
if (isInDynamicAndroid()) {
startForeground(NOTIFICATION_ID,
buildNotification(STATUS_IN_USE, CAUSE_NOT_SPECIFIED));
}
}
private void resetTaskAndStop() {
mInstallTask = null;
stopForeground(true);
// stop self, but this service is not destroyed yet if it's still bound
stopSelf();
}
private void prepareNotification() {
NotificationChannel chan = new NotificationChannel(NOTIFICATION_CHANNEL_ID,
getString(R.string.notification_channel_name),
NotificationManager.IMPORTANCE_LOW);
mNM = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
if (mNM != null) {
mNM.createNotificationChannel(chan);
}
Intent intentCancel = new Intent(this, DynamicAndroidInstallationService.class);
intentCancel.setAction(ACTION_CANCEL_INSTALL);
mPiCancel = PendingIntent.getService(this, 0, intentCancel, 0);
Intent intentRebootToDyn = new Intent(this, DynamicAndroidInstallationService.class);
intentRebootToDyn.setAction(ACTION_REBOOT_TO_DYN_ANDROID);
mPiRebootToDynamicAndroid = PendingIntent.getService(this, 0, intentRebootToDyn, 0);
Intent intentUninstallAndReboot = new Intent(this, DynamicAndroidInstallationService.class);
intentUninstallAndReboot.setAction(ACTION_REBOOT_TO_NORMAL);
mPiUninstallAndReboot = PendingIntent.getService(this, 0, intentUninstallAndReboot, 0);
}
private Notification buildNotification(int status, int cause) {
Notification.Builder builder = new Notification.Builder(this, NOTIFICATION_CHANNEL_ID)
.setSmallIcon(R.drawable.ic_system_update_googblue_24dp)
.setProgress(0, 0, false);
switch (status) {
case STATUS_IN_PROGRESS:
builder.setContentText(getString(R.string.notification_install_inprogress));
int max = (int) Math.max(mSystemSize >> 20, 1);
int progress = (int) mInstalledSize >> 20;
builder.setProgress(max, progress, false);
builder.addAction(new Notification.Action.Builder(
null, getString(R.string.notification_action_cancel),
mPiCancel).build());
break;
case STATUS_READY:
builder.setContentText(getString(R.string.notification_install_completed));
builder.addAction(new Notification.Action.Builder(
null, getString(R.string.notification_action_reboot_to_dynandroid),
mPiRebootToDynamicAndroid).build());
builder.addAction(new Notification.Action.Builder(
null, getString(R.string.notification_action_cancel),
mPiCancel).build());
break;
case STATUS_IN_USE:
builder.setContentText(getString(R.string.notification_dynandroid_in_use));
builder.addAction(new Notification.Action.Builder(
null, getString(R.string.notification_action_uninstall),
mPiUninstallAndReboot).build());
break;
case STATUS_NOT_STARTED:
if (cause != CAUSE_NOT_SPECIFIED && cause != CAUSE_INSTALL_CANCELLED) {
builder.setContentText(getString(R.string.notification_install_failed));
} else {
// no need to notify the user if the task is not started, or cancelled.
}
break;
default:
throw new IllegalStateException("status is invalid");
}
return builder.build();
}
private boolean verifyRequest(Intent intent) {
String url = intent.getStringExtra(DynamicAndroidClient.KEY_SYSTEM_URL);
return VerificationActivity.isVerified(url);
}
private void postStatus(int status, int cause) {
Log.d(TAG, "postStatus(): statusCode=" + status + ", causeCode=" + cause);
boolean notifyOnNotificationBar = true;
if (status == STATUS_NOT_STARTED
&& cause == CAUSE_INSTALL_CANCELLED
&& mJustCancelledByUser) {
// if task is cancelled by user, do not notify them
notifyOnNotificationBar = false;
mJustCancelledByUser = false;
}
if (notifyOnNotificationBar) {
mNM.notify(NOTIFICATION_ID, buildNotification(status, cause));
}
for (int i = mClients.size() - 1; i >= 0; i--) {
try {
notifyOneClient(mClients.get(i), status, cause);
} catch (RemoteException e) {
mClients.remove(i);
}
}
}
private void notifyOneClient(Messenger client, int status, int cause) throws RemoteException {
Bundle bundle = new Bundle();
bundle.putLong(DynamicAndroidClient.KEY_INSTALLED_SIZE, mInstalledSize);
client.send(Message.obtain(null,
DynamicAndroidClient.MSG_POST_STATUS, status, cause, bundle));
}
private int getStatus() {
if (isInDynamicAndroid()) {
return STATUS_IN_USE;
} else if (mInstallTask == null) {
return STATUS_NOT_STARTED;
}
switch (mInstallTask.getStatus()) {
case PENDING:
return STATUS_NOT_STARTED;
case RUNNING:
return STATUS_IN_PROGRESS;
case FINISHED:
int result = mInstallTask.getResult();
if (result == RESULT_OK) {
return STATUS_READY;
} else {
throw new IllegalStateException("A failed InstallationTask is not reset");
}
default:
return STATUS_NOT_STARTED;
}
}
private boolean isInDynamicAndroid() {
return mDynAndroid.isInUse();
}
void handleMessage(Message msg) {
switch (msg.what) {
case DynamicAndroidClient.MSG_REGISTER_LISTENER:
try {
Messenger client = msg.replyTo;
int status = getStatus();
// tell just registered client my status, but do not specify cause
notifyOneClient(client, status, CAUSE_NOT_SPECIFIED);
mClients.add(client);
} catch (RemoteException e) {
// do nothing if we cannot send update to the client
e.printStackTrace();
}
break;
case DynamicAndroidClient.MSG_UNREGISTER_LISTENER:
mClients.remove(msg.replyTo);
break;
default:
// do nothing
}
}
}

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/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.dynandroid;
import android.os.AsyncTask;
import android.os.DynamicAndroidManager;
import android.util.Log;
import android.webkit.URLUtil;
import java.io.BufferedInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.Arrays;
import java.util.Locale;
import java.util.zip.GZIPInputStream;
class InstallationAsyncTask extends AsyncTask<String, Long, Integer> {
private static final String TAG = "InstallationAsyncTask";
private static final int READ_BUFFER_SIZE = 1 << 19;
private class InvalidImageUrlException extends RuntimeException {
private InvalidImageUrlException(String message) {
super(message);
}
}
/** Not completed, including being cancelled */
static final int NO_RESULT = 0;
static final int RESULT_OK = 1;
static final int RESULT_ERROR_IO = 2;
static final int RESULT_ERROR_INVALID_URL = 3;
static final int RESULT_ERROR_EXCEPTION = 6;
interface InstallStatusListener {
void onProgressUpdate(long installedSize);
void onResult(int resultCode);
void onCancelled();
}
private final String mUrl;
private final long mSystemSize;
private final long mUserdataSize;
private final DynamicAndroidManager mDynamicAndroid;
private final InstallStatusListener mListener;
private DynamicAndroidManager.Session mInstallationSession;
private long mInstalledSize;
private long mReportedInstalledSize;
private int mResult = NO_RESULT;
private InputStream mStream;
InstallationAsyncTask(String url, long systemSize, long userdataSize,
DynamicAndroidManager dynAndroid, InstallStatusListener listener) {
mUrl = url;
mSystemSize = systemSize;
mUserdataSize = userdataSize;
mDynamicAndroid = dynAndroid;
mListener = listener;
}
@Override
protected void onPreExecute() {
mListener.onProgressUpdate(0);
}
@Override
protected Integer doInBackground(String... voids) {
Log.d(TAG, "Start doInBackground(), URL: " + mUrl);
try {
// call start in background
mInstallationSession = mDynamicAndroid.startInstallation(mSystemSize, mUserdataSize);
if (mInstallationSession == null) {
Log.e(TAG, "Failed to start installation with requested size: "
+ (mSystemSize + mUserdataSize));
return RESULT_ERROR_IO;
}
initInputStream();
byte[] bytes = new byte[READ_BUFFER_SIZE];
int numBytesRead;
long minStepToReport = mSystemSize / 100;
Log.d(TAG, "Start installation loop");
while ((numBytesRead = mStream.read(bytes, 0, READ_BUFFER_SIZE)) != -1) {
if (isCancelled()) {
break;
}
byte[] writeBuffer = numBytesRead == READ_BUFFER_SIZE
? bytes : Arrays.copyOf(bytes, numBytesRead);
if (!mInstallationSession.write(writeBuffer)) {
throw new IOException("Failed write() to DynamicAndroid");
}
mInstalledSize += numBytesRead;
if (mInstalledSize > mReportedInstalledSize + minStepToReport) {
publishProgress(mInstalledSize);
mReportedInstalledSize = mInstalledSize;
}
}
return RESULT_OK;
} catch (IOException e) {
e.printStackTrace();
return RESULT_ERROR_IO;
} catch (InvalidImageUrlException e) {
e.printStackTrace();
return RESULT_ERROR_INVALID_URL;
} catch (Exception e) {
e.printStackTrace();
return RESULT_ERROR_EXCEPTION;
} finally {
close();
}
}
@Override
protected void onCancelled() {
Log.d(TAG, "onCancelled(), URL: " + mUrl);
close();
mListener.onCancelled();
}
@Override
protected void onPostExecute(Integer result) {
Log.d(TAG, "onPostExecute(), URL: " + mUrl + ", result: " + result);
close();
mResult = result;
mListener.onResult(mResult);
}
@Override
protected void onProgressUpdate(Long... values) {
long progress = values[0];
mListener.onProgressUpdate(progress);
}
private void initInputStream() throws IOException, InvalidImageUrlException {
if (URLUtil.isNetworkUrl(mUrl) || URLUtil.isFileUrl(mUrl)) {
mStream = new BufferedInputStream(new GZIPInputStream(new URL(mUrl).openStream()));
} else {
throw new InvalidImageUrlException(
String.format(Locale.US, "Unsupported file source: %s", mUrl));
}
}
private void close() {
try {
if (mStream != null) {
mStream.close();
mStream = null;
}
} catch (IOException e) {
// ignore
}
}
int getResult() {
return mResult;
}
boolean commit() {
if (mInstallationSession == null) {
return false;
}
return mInstallationSession.commit();
}
}

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/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.dynandroid;
import static android.content.DynamicAndroidClient.KEY_SYSTEM_SIZE;
import static android.content.DynamicAndroidClient.KEY_SYSTEM_URL;
import static android.content.DynamicAndroidClient.KEY_USERDATA_SIZE;
import android.app.Activity;
import android.app.KeyguardManager;
import android.content.Context;
import android.content.DynamicAndroidClient;
import android.content.Intent;
import android.os.Bundle;
import android.os.UserHandle;
import android.util.Log;
/**
* This Activity starts KeyguardManager and ask the user to confirm
* before any installation request. If the device is not protected by
* a password, it approves the request by default.
*/
public class VerificationActivity extends Activity {
private static final String TAG = "VerificationActivity";
private static final int REQUEST_CODE = 1;
// For install request verification
private static String sVerifiedUrl;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
KeyguardManager km = (KeyguardManager) getSystemService(Context.KEYGUARD_SERVICE);
if (km != null) {
String title = getString(R.string.keyguard_title);
String description = getString(R.string.keyguard_description);
Intent intent = km.createConfirmDeviceCredentialIntent(title, description);
if (intent == null) {
Log.d(TAG, "This device is not protected by a password/pin");
startInstallationService();
finish();
} else {
startActivityForResult(intent, REQUEST_CODE);
}
} else {
finish();
}
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if (requestCode == REQUEST_CODE && resultCode == RESULT_OK) {
startInstallationService();
}
finish();
}
private void startInstallationService() {
// retrieve data from calling intent
Intent callingIntent = getIntent();
String url = callingIntent.getStringExtra(KEY_SYSTEM_URL);
long systemSize = callingIntent.getLongExtra(KEY_SYSTEM_SIZE, 0);
long userdataSize = callingIntent.getLongExtra(KEY_USERDATA_SIZE, 0);
sVerifiedUrl = url;
// start service
Intent intent = new Intent(this, DynamicAndroidInstallationService.class);
intent.setAction(DynamicAndroidClient.ACTION_START_INSTALL);
intent.putExtra(KEY_SYSTEM_URL, url);
intent.putExtra(KEY_SYSTEM_SIZE, systemSize);
intent.putExtra(KEY_USERDATA_SIZE, userdataSize);
Log.d(TAG, "Starting Installation Service");
startServiceAsUser(intent, UserHandle.SYSTEM);
}
static boolean isVerified(String url) {
return sVerifiedUrl != null && sVerifiedUrl.equals(url);
}
}