Fix ApplicationInfo.hasGrantPermission() (7c687a41) · Commits · e / os / android_frameworks_base

packages/SettingsLib/SpaPrivileged/src/com/android/settingslib/spaprivileged/model/app/PackageManagers.kt

+45 −12

Original line number	Diff line number	Diff line
		@@ -26,43 +26,76 @@ import com.android.settingslib.spa.framework.util.asyncFilter

		private const val TAG = "PackageManagers"

		object PackageManagers {
		interface IPackageManagers {
		fun getPackageInfoAsUser(packageName: String, userId: Int): PackageInfo?
		fun getApplicationInfoAsUser(packageName: String, userId: Int): ApplicationInfo?

		/** Checks whether a package is installed for a given user. */
		fun isPackageInstalledAsUser(packageName: String, userId: Int): Boolean
		fun ApplicationInfo.hasRequestPermission(permission: String): Boolean

		/** Checks whether a permission is currently granted to the application. */
		fun ApplicationInfo.hasGrantPermission(permission: String): Boolean

		suspend fun getAppOpPermissionPackages(userId: Int, permission: String): Set<String>
		fun getPackageInfoAsUser(packageName: String, flags: Int, userId: Int): PackageInfo?
		}

		object PackageManagers : IPackageManagers by PackageManagersImpl(PackageManagerWrapperImpl)

		internal interface PackageManagerWrapper {
		fun getPackageInfoAsUserCached(
		packageName: String,
		flags: Long,
		userId: Int,
		): PackageInfo?
		}

		internal object PackageManagerWrapperImpl : PackageManagerWrapper {
		override fun getPackageInfoAsUserCached(
		packageName: String,
		flags: Long,
		userId: Int,
		): PackageInfo? = PackageManager.getPackageInfoAsUserCached(packageName, flags, userId)
		}

		internal class PackageManagersImpl(
		private val packageManagerWrapper: PackageManagerWrapper,
		) : IPackageManagers {
		private val iPackageManager by lazy { AppGlobals.getPackageManager() }

		fun getPackageInfoAsUser(packageName: String, userId: Int): PackageInfo? =
		override fun getPackageInfoAsUser(packageName: String, userId: Int): PackageInfo? =
		getPackageInfoAsUser(packageName, 0, userId)

		fun getApplicationInfoAsUser(packageName: String, userId: Int): ApplicationInfo? =
		override fun getApplicationInfoAsUser(packageName: String, userId: Int): ApplicationInfo? =
		PackageManager.getApplicationInfoAsUserCached(packageName, 0, userId)

		/** Checks whether a package is installed for a given user. */
		fun isPackageInstalledAsUser(packageName: String, userId: Int): Boolean =
		override fun isPackageInstalledAsUser(packageName: String, userId: Int): Boolean =
		getApplicationInfoAsUser(packageName, userId)?.hasFlag(ApplicationInfo.FLAG_INSTALLED)
		?: false

		fun ApplicationInfo.hasRequestPermission(permission: String): Boolean {
		override fun ApplicationInfo.hasRequestPermission(permission: String): Boolean {
		val packageInfo = getPackageInfoAsUser(packageName, PackageManager.GET_PERMISSIONS, userId)
		return packageInfo?.requestedPermissions?.let {
		permission in it
		} ?: false
		}

		fun ApplicationInfo.hasGrantPermission(permission: String): Boolean {
		override fun ApplicationInfo.hasGrantPermission(permission: String): Boolean {
		val packageInfo = getPackageInfoAsUser(packageName, PackageManager.GET_PERMISSIONS, userId)
		?: return false
		val index = packageInfo.requestedPermissions.indexOf(permission)
		val index = packageInfo?.requestedPermissions?.indexOf(permission) ?: return false
		return index >= 0 &&
		packageInfo.requestedPermissionsFlags[index].hasFlag(REQUESTED_PERMISSION_GRANTED)
		}

		suspend fun getAppOpPermissionPackages(userId: Int, permission: String): Set<String> =
		override suspend fun getAppOpPermissionPackages(userId: Int, permission: String): Set<String> =
		iPackageManager.getAppOpPermissionPackages(permission, userId).asIterable().asyncFilter {
		iPackageManager.isPackageAvailable(it, userId)
		}.toSet()

		fun getPackageInfoAsUser(packageName: String, flags: Int, userId: Int): PackageInfo? =
		override fun getPackageInfoAsUser(packageName: String, flags: Int, userId: Int): PackageInfo? =
		try {
		PackageManager.getPackageInfoAsUserCached(packageName, flags.toLong(), userId)
		packageManagerWrapper.getPackageInfoAsUserCached(packageName, flags.toLong(), userId)
		} catch (e: PackageManager.NameNotFoundException) {
		Log.w(TAG, "getPackageInfoAsUserCached() failed", e)
		null

packages/SettingsLib/SpaPrivileged/tests/src/com/android/settingslib/spaprivileged/model/app/PackageManagersTest.kt

0 → 100644

+117 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2022 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.settingslib.spaprivileged.model.app

		import android.content.pm.ApplicationInfo
		import android.content.pm.PackageInfo
		import androidx.test.ext.junit.runners.AndroidJUnit4
		import com.google.common.truth.Truth.assertThat
		import org.junit.Test
		import org.junit.runner.RunWith

		@RunWith(AndroidJUnit4::class)
		class PackageManagersTest {

		private val fakePackageManagerWrapper = FakePackageManagerWrapper()

		private val packageManagersImpl = PackageManagersImpl(fakePackageManagerWrapper)

		@Test
		fun hasGrantPermission_packageInfoIsNull_returnFalse() {
		fakePackageManagerWrapper.fakePackageInfo = null

		val hasGrantPermission = with(packageManagersImpl) {
		APP.hasGrantPermission(PERMISSION_A)
		}

		assertThat(hasGrantPermission).isFalse()
		}

		@Test
		fun hasGrantPermission_requestedPermissionsIsNull_returnFalse() {
		fakePackageManagerWrapper.fakePackageInfo = PackageInfo()

		val hasGrantPermission = with(packageManagersImpl) {
		APP.hasGrantPermission(PERMISSION_A)
		}

		assertThat(hasGrantPermission).isFalse()
		}

		@Test
		fun hasGrantPermission_notRequested_returnFalse() {
		fakePackageManagerWrapper.fakePackageInfo = PackageInfo().apply {
		requestedPermissions = arrayOf(PERMISSION_B)
		requestedPermissionsFlags = intArrayOf(PackageInfo.REQUESTED_PERMISSION_GRANTED)
		}

		val hasGrantPermission = with(packageManagersImpl) {
		APP.hasGrantPermission(PERMISSION_A)
		}

		assertThat(hasGrantPermission).isFalse()
		}

		@Test
		fun hasGrantPermission_notGranted_returnFalse() {
		fakePackageManagerWrapper.fakePackageInfo = PackageInfo().apply {
		requestedPermissions = arrayOf(PERMISSION_A, PERMISSION_B)
		requestedPermissionsFlags = intArrayOf(0, PackageInfo.REQUESTED_PERMISSION_GRANTED)
		}

		val hasGrantPermission = with(packageManagersImpl) {
		APP.hasGrantPermission(PERMISSION_A)
		}

		assertThat(hasGrantPermission).isFalse()
		}

		@Test
		fun hasGrantPermission_granted_returnTrue() {
		fakePackageManagerWrapper.fakePackageInfo = PackageInfo().apply {
		requestedPermissions = arrayOf(PERMISSION_A, PERMISSION_B)
		requestedPermissionsFlags = intArrayOf(PackageInfo.REQUESTED_PERMISSION_GRANTED, 0)
		}

		val hasGrantPermission = with(packageManagersImpl) {
		APP.hasGrantPermission(PERMISSION_A)
		}

		assertThat(hasGrantPermission).isTrue()
		}

		private inner class FakePackageManagerWrapper : PackageManagerWrapper {
		var fakePackageInfo: PackageInfo? = null

		override fun getPackageInfoAsUserCached(
		packageName: String,
		flags: Long,
		userId: Int,
		): PackageInfo? = fakePackageInfo
		}

		private companion object {
		const val PACKAGE_NAME = "packageName"
		const val PERMISSION_A = "permission.A"
		const val PERMISSION_B = "permission.B"
		const val UID = 123
		val APP = ApplicationInfo().apply {
		packageName = PACKAGE_NAME
		uid = UID
		}
		}
		}