| /* |
| * 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.packageinstaller.role.model; |
| |
| import android.content.Context; |
| import android.content.pm.ApplicationInfo; |
| |
| import androidx.annotation.NonNull; |
| import androidx.annotation.Nullable; |
| |
| import com.android.packageinstaller.role.utils.PackageUtils; |
| |
| import java.util.Objects; |
| |
| /** |
| * An app op to be granted or revoke by a {@link Role}. |
| */ |
| public class AppOp { |
| |
| /** |
| * The name of this app op. |
| */ |
| @NonNull |
| private final String mName; |
| |
| /** |
| * The maximum target SDK version for this app op to be granted, or {@code null} if none. |
| */ |
| @Nullable |
| private final Integer mMaxTargetSdkVersion; |
| |
| /** |
| * The mode of this app op when granted. |
| */ |
| private final int mMode; |
| |
| public AppOp(@NonNull String name, @Nullable Integer maxTargetSdkVersion, int mode) { |
| mName = name; |
| mMaxTargetSdkVersion = maxTargetSdkVersion; |
| mMode = mode; |
| } |
| |
| @NonNull |
| public String getName() { |
| return mName; |
| } |
| |
| @Nullable |
| public Integer getMaxTargetSdkVersion() { |
| return mMaxTargetSdkVersion; |
| } |
| |
| public int getMode() { |
| return mMode; |
| } |
| |
| /** |
| * Grant this app op to an application. |
| * |
| * @param packageName the package name of the application |
| * @param context the {@code Context} to retrieve system services |
| * |
| * @return whether any app mode has changed |
| */ |
| public boolean grant(@NonNull String packageName, @NonNull Context context) { |
| if (!checkTargetSdkVersion(packageName, context)) { |
| return false; |
| } |
| return Permissions.setAppOpMode(packageName, mName, mMode, context); |
| } |
| |
| /** |
| * Revoke this app op from an application. |
| * |
| * @param packageName the package name of the application |
| * @param context the {@code Context} to retrieve system services |
| * |
| * @return whether any app mode has changed |
| */ |
| public boolean revoke(@NonNull String packageName, @NonNull Context context) { |
| if (!checkTargetSdkVersion(packageName, context)) { |
| return false; |
| } |
| int defaultMode = Permissions.getDefaultAppOpMode(mName); |
| return Permissions.setAppOpMode(packageName, mName, defaultMode, context); |
| } |
| |
| private boolean checkTargetSdkVersion(@NonNull String packageName, @NonNull Context context) { |
| if (mMaxTargetSdkVersion == null) { |
| return true; |
| } |
| ApplicationInfo applicationInfo = PackageUtils.getApplicationInfo(packageName, context); |
| if (applicationInfo == null) { |
| return false; |
| } |
| return applicationInfo.targetSdkVersion <= mMaxTargetSdkVersion; |
| } |
| |
| @Override |
| public String toString() { |
| return "AppOp{" |
| + "mName='" + mName + '\'' |
| + ", mMaxTargetSdkVersion=" + mMaxTargetSdkVersion |
| + ", mMode=" + mMode |
| + '}'; |
| } |
| |
| @Override |
| public boolean equals(Object object) { |
| if (this == object) { |
| return true; |
| } |
| if (object == null || getClass() != object.getClass()) { |
| return false; |
| } |
| AppOp appOp = (AppOp) object; |
| return mMode == appOp.mMode |
| && Objects.equals(mName, appOp.mName) |
| && Objects.equals(mMaxTargetSdkVersion, appOp.mMaxTargetSdkVersion); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(mName, mMaxTargetSdkVersion, mMode); |
| } |
| } |