1 /* 2 * Copyright (C) 2017 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.car.internal; 18 19 import android.content.Context; 20 import android.content.pm.PackageManager; 21 import android.os.Binder; 22 import android.os.Process; 23 24 /** 25 * Represent an Android permission. 26 * 27 * @hide 28 */ 29 public class CarPermission { 30 private final Context mContext; 31 private final String mName; 32 33 /** @hide */ CarPermission(Context context, String name)34 public CarPermission(Context context, String name) { 35 mContext = context; 36 mName = name; 37 } 38 39 /** @hide */ checkGranted()40 public boolean checkGranted() { 41 if (mName != null) { 42 if (Binder.getCallingUid() != Process.myUid()) { 43 return PackageManager.PERMISSION_GRANTED 44 == mContext.checkCallingOrSelfPermission(mName); 45 } 46 } 47 return true; 48 } 49 50 /** @hide */ assertGranted()51 public void assertGranted() { 52 if (checkGranted()) return; 53 throw new SecurityException( 54 "client does not have permission:" 55 + mName 56 + " pid:" 57 + Binder.getCallingPid() 58 + " uid:" 59 + Binder.getCallingUid()); 60 } 61 62 /** @hide */ 63 @Override toString()64 public String toString() { 65 return mName; 66 } 67 } 68