/* * 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); } }