1 /* 2 * Copyright (C) 2015 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 package com.android.cts.deviceandprofileowner; 17 18 import static com.google.common.truth.Truth.assertWithMessage; 19 20 import android.app.admin.DevicePolicyManager; 21 import android.content.BroadcastReceiver; 22 import android.content.Context; 23 import android.content.Intent; 24 import android.content.IntentFilter; 25 import android.net.Uri; 26 import android.util.Log; 27 28 import com.android.bedstead.dpmwrapper.Utils; 29 30 import java.util.Set; 31 import java.util.concurrent.Semaphore; 32 import java.util.concurrent.TimeUnit; 33 34 /** 35 * Tests for {@link DevicePolicyManager#setApplicationHidden} and 36 * {@link DevicePolicyManager#isApplicationHidden} APIs. 37 */ 38 public class ApplicationHiddenTest extends BaseDeviceAdminTest { 39 40 private static final String PACKAGE_TO_HIDE = "com.android.cts.permissionapp"; 41 private static final String NONEXISTING_PACKAGE_NAME = "a.b.c.d"; 42 43 private static final IntentFilter PACKAGE_INTENT_FILTER; 44 static { 45 PACKAGE_INTENT_FILTER = new IntentFilter(); 46 PACKAGE_INTENT_FILTER.addAction(Intent.ACTION_PACKAGE_ADDED); 47 PACKAGE_INTENT_FILTER.addAction(Intent.ACTION_PACKAGE_REMOVED); 48 PACKAGE_INTENT_FILTER.addDataScheme("package"); 49 } 50 private final ApplicationHiddenReceiver mReceiver = new ApplicationHiddenReceiver(); 51 52 @Override setUp()53 protected void setUp() throws Exception { 54 super.setUp(); 55 56 mContext.registerReceiver(mReceiver, PACKAGE_INTENT_FILTER); 57 } 58 59 @Override tearDown()60 protected void tearDown() throws Exception { 61 mContext.unregisterReceiver(mReceiver); 62 mDevicePolicyManager.setApplicationHidden(ADMIN_RECEIVER_COMPONENT, PACKAGE_TO_HIDE, false); 63 super.tearDown(); 64 } 65 testSetApplicationHidden()66 public void testSetApplicationHidden() throws Exception { 67 assertWithMessage("setApplicationHidden(%s, %s, true)", ADMIN_RECEIVER_COMPONENT, 68 PACKAGE_TO_HIDE) 69 .that(mDevicePolicyManager.setApplicationHidden(ADMIN_RECEIVER_COMPONENT, 70 PACKAGE_TO_HIDE, true)) 71 .isTrue(); 72 assertWithMessage("isApplicationHidden(%s, %s)", ADMIN_RECEIVER_COMPONENT, PACKAGE_TO_HIDE) 73 .that(mDevicePolicyManager 74 .isApplicationHidden(ADMIN_RECEIVER_COMPONENT, PACKAGE_TO_HIDE)) 75 .isTrue(); 76 mReceiver.waitForRemovedBroadcast(); 77 assertWithMessage("setApplicationHidden(%s, %s, false)", ADMIN_RECEIVER_COMPONENT, 78 PACKAGE_TO_HIDE) 79 .that(mDevicePolicyManager.setApplicationHidden(ADMIN_RECEIVER_COMPONENT, 80 PACKAGE_TO_HIDE, false)) 81 .isTrue(); 82 assertWithMessage("isApplicationHidden(%s, %s)", ADMIN_RECEIVER_COMPONENT, PACKAGE_TO_HIDE) 83 .that(mDevicePolicyManager 84 .isApplicationHidden(ADMIN_RECEIVER_COMPONENT, PACKAGE_TO_HIDE)) 85 .isFalse(); 86 mReceiver.waitForAddedBroadcast(); 87 } 88 testCannotHideActiveAdmin()89 public void testCannotHideActiveAdmin() throws Exception { 90 assertWithMessage("setApplicationHidden(%s, %s, true)", ADMIN_RECEIVER_COMPONENT, 91 PACKAGE_NAME) 92 .that(mDevicePolicyManager.setApplicationHidden(ADMIN_RECEIVER_COMPONENT, 93 PACKAGE_NAME, true)) 94 .isFalse(); 95 } 96 testCannotHideNonExistingPackage()97 public void testCannotHideNonExistingPackage() throws Exception { 98 assertWithMessage("setApplicationHidden(%s, %s, true)", ADMIN_RECEIVER_COMPONENT, 99 NONEXISTING_PACKAGE_NAME) 100 .that(mDevicePolicyManager.setApplicationHidden(ADMIN_RECEIVER_COMPONENT, 101 NONEXISTING_PACKAGE_NAME, true)) 102 .isFalse(); 103 } 104 testCannotHidePolicyExemptApps()105 public void testCannotHidePolicyExemptApps() throws Exception { 106 Set<String> policyExemptApps = mDevicePolicyManager.getPolicyExemptApps(); 107 Log.v(mTag, "policyExemptApps: " + policyExemptApps); 108 if (policyExemptApps.isEmpty()) return; 109 110 policyExemptApps.forEach((app) -> { 111 try { 112 boolean hidden = mDevicePolicyManager.setApplicationHidden(ADMIN_RECEIVER_COMPONENT, 113 app, true); 114 115 assertWithMessage("setApplicationHidden(%s, true)", app).that(hidden).isFalse(); 116 } finally { 117 maybeUnhideApp(app); 118 } 119 }); 120 } 121 maybeUnhideApp(String app)122 private void maybeUnhideApp(String app) { 123 if (mDevicePolicyManager.isApplicationHidden(ADMIN_RECEIVER_COMPONENT, app)) { 124 mDevicePolicyManager.setApplicationHidden(ADMIN_RECEIVER_COMPONENT, app, false); 125 } 126 } 127 128 private final class ApplicationHiddenReceiver extends BroadcastReceiver { 129 private static final int TIMEOUT_SECONDS = 60; 130 private final Semaphore mAddedSemaphore = new Semaphore(0); 131 private final Semaphore mRemovedSemaphore = new Semaphore(0); 132 133 @Override onReceive(Context context, Intent intent)134 public void onReceive(Context context, Intent intent) { 135 Log.v(mTag, "Received intent on user " + context.getUserId() + ": " 136 + Utils.toString(intent)); 137 Uri uri = intent.getData(); 138 if (uri == null) { 139 return; 140 } 141 String pkgName = uri.getSchemeSpecificPart(); 142 if (!PACKAGE_TO_HIDE.equals(pkgName)) { 143 return; 144 } 145 String action = intent.getAction(); 146 switch(action) { 147 case Intent.ACTION_PACKAGE_ADDED: 148 Log.d(mTag, "Received PACKAGE_ADDED broadcast"); 149 mAddedSemaphore.release(); 150 break; 151 case Intent.ACTION_PACKAGE_REMOVED: 152 Log.d(mTag, "Received ACTION_PACKAGE_REMOVED broadcast"); 153 mRemovedSemaphore.release(); 154 break; 155 default: 156 Log.w(mTag, "received invalid intent: " + action); 157 } 158 } 159 waitForAddedBroadcast()160 public void waitForAddedBroadcast() throws Exception { 161 if (!mAddedSemaphore.tryAcquire(TIMEOUT_SECONDS, TimeUnit.SECONDS)) { 162 failBroadcastNotReceived(Intent.ACTION_PACKAGE_ADDED); 163 } 164 } 165 waitForRemovedBroadcast()166 public void waitForRemovedBroadcast() throws Exception { 167 if (!mRemovedSemaphore.tryAcquire(TIMEOUT_SECONDS, TimeUnit.SECONDS)) { 168 failBroadcastNotReceived(Intent.ACTION_PACKAGE_REMOVED); 169 } 170 } 171 failBroadcastNotReceived(String broadcast)172 private void failBroadcastNotReceived(String broadcast) { 173 fail("Did not receive " + broadcast + " broadcast on user " + mContext.getUserId() 174 + " in " + TIMEOUT_SECONDS + "s."); 175 } 176 } 177 } 178