1 /*
2  * Copyright (C) 2019 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.permissioncontroller.role.model;
18 
19 import android.content.Context;
20 import android.content.pm.ApplicationInfo;
21 import android.util.Log;
22 
23 import androidx.annotation.NonNull;
24 import androidx.annotation.Nullable;
25 
26 import com.android.permissioncontroller.R;
27 import com.android.permissioncontroller.role.utils.PackageUtils;
28 
29 /**
30  * Mixin for {@link RoleBehavior#getConfirmationMessage(Role, String, Context)}
31  * that returns a confirmation message when the application is not direct boot aware.
32  */
33 public class EncryptionUnawareConfirmationMixin {
34 
35     private static final String LOG_TAG = EncryptionUnawareConfirmationMixin.class.getSimpleName();
36 
37     /**
38      * @see RoleBehavior#getConfirmationMessage(Role, String, Context)
39      */
40     @Nullable
getConfirmationMessage(@onNull Role role, @NonNull String packageName, @NonNull Context context)41     public static CharSequence getConfirmationMessage(@NonNull Role role,
42             @NonNull String packageName, @NonNull Context context) {
43         ApplicationInfo applicationInfo = PackageUtils.getApplicationInfo(packageName, context);
44         if (applicationInfo == null) {
45             Log.w(LOG_TAG, "Cannot get ApplicationInfo for application, package name: "
46                     + packageName);
47             return null;
48         }
49         if (applicationInfo.isEncryptionAware()) {
50             return null;
51         }
52         return context.getString(R.string.encryption_unaware_confirmation_message);
53     }
54 }
55