1 /*
2  * Copyright (C) 2022 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.adservices.service.common;
18 
19 import android.os.Process;
20 
21 import com.android.adservices.service.common.compat.ProcessCompatUtils;
22 
23 /**
24  * Utility class to deal with the fact that PPAPI can be called from an app or from the SDK Sandbox.
25  */
26 public class SdkRuntimeUtil {
27     /**
28      * Utility method to retrieve the UID of the application a PPAPI call has been made for. If the
29      * call has been done using the SDK Sandbox this method will return the UID of the originating
30      * app otherwise it will return {@code callerProcessUid}.
31      *
32      * @param callerProcessUid The UID of the calling process
33      * @return the UID of the Application this call has ben made for
34      */
getCallingAppUid(int callerProcessUid)35     public static int getCallingAppUid(int callerProcessUid) {
36         if (ProcessCompatUtils.isSdkSandboxUid(callerProcessUid)) {
37             return Process.getAppUidForSdkSandboxUid(callerProcessUid);
38         } else {
39             return callerProcessUid;
40         }
41     }
42 }
43