| /* |
| * Copyright (C) 2018 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.server.testing.shadows; |
| |
| import android.os.Binder; |
| import android.os.UserHandle; |
| |
| import org.robolectric.annotation.Implementation; |
| import org.robolectric.annotation.Implements; |
| import org.robolectric.annotation.Resetter; |
| |
| /** |
| * Extends {@link org.robolectric.shadows.ShadowBinder} with {@link Binder#clearCallingIdentity()} |
| * and {@link Binder#restoreCallingIdentity(long)}. Uses a hardcoded default {@link #LOCAL_UID} to |
| * mimic the local process uid. |
| */ |
| @Implements(Binder.class) |
| public class ShadowBinder extends org.robolectric.shadows.ShadowBinder { |
| public static final Integer LOCAL_UID = 1000; |
| private static Integer originalCallingUid; |
| private static UserHandle sCallingUserHandle; |
| |
| @Implementation |
| protected static long clearCallingIdentity() { |
| originalCallingUid = getCallingUid(); |
| setCallingUid(LOCAL_UID); |
| return 1L; |
| } |
| |
| @Implementation |
| protected static void restoreCallingIdentity(long token) { |
| setCallingUid(originalCallingUid); |
| } |
| |
| public static void setCallingUserHandle(UserHandle userHandle) { |
| sCallingUserHandle = userHandle; |
| } |
| |
| /** |
| * Shadows {@link Binder#getCallingUserHandle()}. If {@link ShadowBinder#sCallingUserHandle} |
| * is set, return that; otherwise mimic the default implementation. |
| */ |
| @Implementation |
| public static UserHandle getCallingUserHandle() { |
| if (sCallingUserHandle != null) { |
| return sCallingUserHandle; |
| } else { |
| return UserHandle.of(UserHandle.getUserId(getCallingUid())); |
| } |
| } |
| |
| /** |
| * Clean up and reset state that was created for testing. |
| */ |
| @Resetter |
| public static void reset() { |
| sCallingUserHandle = null; |
| org.robolectric.shadows.ShadowBinder.reset(); |
| } |
| } |