| /* |
| * Copyright (C) 2015 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.server.devicepolicy; |
| |
| import static org.mockito.Mockito.mock; |
| |
| import android.annotation.Nullable; |
| import android.app.AppOpsManager; |
| import android.content.BroadcastReceiver; |
| import android.content.ContentResolver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.PackageManager; |
| import android.content.res.Resources; |
| import android.os.Bundle; |
| import android.os.Handler; |
| import android.os.UserHandle; |
| import android.os.UserManagerInternal; |
| import android.test.mock.MockContext; |
| import android.util.ArrayMap; |
| import android.util.ExceptionUtils; |
| |
| import androidx.annotation.NonNull; |
| |
| import com.android.internal.util.FunctionalUtils; |
| |
| import org.junit.Assert; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Map; |
| |
| /** |
| * Context used throughout DPMS tests. |
| */ |
| public class DpmMockContext extends MockContext { |
| /** |
| * User-id of a non-system user we use throughout unit tests. |
| */ |
| public static final int CALLER_USER_HANDLE = 20; |
| |
| /** |
| * UID corresponding to {@link #CALLER_USER_HANDLE}. |
| */ |
| public static final int CALLER_UID = UserHandle.getUid(CALLER_USER_HANDLE, 20123); |
| |
| /** |
| * UID corresponding to {@link #CALLER_USER_HANDLE}. |
| */ |
| public static final int CALLER_MANAGED_PROVISIONING_UID = UserHandle.getUid(CALLER_USER_HANDLE, |
| 20125); |
| |
| /** |
| * UID used when a caller is on the system user. |
| */ |
| public static final int CALLER_SYSTEM_USER_UID = 20321; |
| |
| /** |
| * PID of the caller. |
| */ |
| public static final int CALLER_PID = 22222; |
| |
| /** |
| * UID of the system server. |
| */ |
| public static final int SYSTEM_UID = android.os.Process.SYSTEM_UID; |
| |
| /** |
| * PID of the system server. |
| */ |
| public static final int SYSTEM_PID = 11111; |
| |
| public static final String ANOTHER_PACKAGE_NAME = "com.another.package.name"; |
| public static final int ANOTHER_UID = UserHandle.getUid(UserHandle.USER_SYSTEM, 18434); |
| |
| public static final String DELEGATE_PACKAGE_NAME = "com.delegate.package.name"; |
| public static final int DELEGATE_CERT_INSTALLER_UID = UserHandle.getUid(UserHandle.USER_SYSTEM, |
| 18437); |
| |
| private final MockSystemServices mMockSystemServices; |
| |
| public static class MockBinder { |
| public int callingUid = CALLER_UID; |
| public int callingPid = CALLER_PID; |
| public final Map<Integer, List<String>> callingPermissions = new ArrayMap<>(); |
| |
| public long clearCallingIdentity() { |
| final long token = (((long) callingUid) << 32) | (callingPid); |
| callingUid = SYSTEM_UID; |
| callingPid = SYSTEM_PID; |
| return token; |
| } |
| |
| public void restoreCallingIdentity(long token) { |
| callingUid = (int) (token >> 32); |
| callingPid = (int) token; |
| } |
| |
| public void withCleanCallingIdentity(@NonNull FunctionalUtils.ThrowingRunnable action) { |
| long callingIdentity = clearCallingIdentity(); |
| Throwable throwableToPropagate = null; |
| try { |
| action.runOrThrow(); |
| } catch (Throwable throwable) { |
| throwableToPropagate = throwable; |
| } finally { |
| restoreCallingIdentity(callingIdentity); |
| if (throwableToPropagate != null) { |
| throw ExceptionUtils.propagate(throwableToPropagate); |
| } |
| } |
| } |
| |
| public int getCallingUid() { |
| return callingUid; |
| } |
| |
| public int getCallingPid() { |
| return callingPid; |
| } |
| |
| public UserHandle getCallingUserHandle() { |
| return new UserHandle(UserHandle.getUserId(getCallingUid())); |
| } |
| |
| public boolean isCallerUidMyUid() { |
| return callingUid == SYSTEM_UID; |
| } |
| } |
| |
| private final Context realTestContext; |
| |
| /** |
| * Use this instance to verify unimplemented methods such as {@link #sendBroadcast}. |
| * (Spying on {@code this} instance will confuse mockito somehow and I got weired "wrong number |
| * of arguments" exceptions.) |
| */ |
| public final Context spiedContext; |
| |
| public final MockBinder binder; |
| public final Resources resources; |
| |
| /** TODO: Migrate everything to use {@link #permissions} to avoid confusion. */ |
| @Deprecated |
| public final List<String> callerPermissions = new ArrayList<>(); |
| |
| /** Less confusing alias for {@link #callerPermissions}. */ |
| public final List<String> permissions = callerPermissions; |
| |
| public String packageName = null; |
| |
| public ApplicationInfo applicationInfo = null; |
| |
| public DpmMockContext(MockSystemServices mockSystemServices, Context context) { |
| mMockSystemServices = mockSystemServices; |
| realTestContext = context; |
| |
| binder = new MockBinder(); |
| resources = mock(Resources.class); |
| spiedContext = mock(Context.class); |
| } |
| |
| @Override |
| public Resources getResources() { |
| return resources; |
| } |
| |
| @Override |
| public Resources.Theme getTheme() { |
| return spiedContext.getTheme(); |
| } |
| |
| @Override |
| public String getPackageName() { |
| if (packageName != null) { |
| return packageName; |
| } |
| return super.getPackageName(); |
| } |
| |
| @Override |
| public ApplicationInfo getApplicationInfo() { |
| if (applicationInfo != null) { |
| return applicationInfo; |
| } |
| return super.getApplicationInfo(); |
| } |
| |
| @Override |
| public Object getSystemService(String name) { |
| switch (name) { |
| case Context.ALARM_SERVICE: |
| return mMockSystemServices.alarmManager; |
| case Context.TIME_DETECTOR_SERVICE: |
| return mMockSystemServices.timeDetector; |
| case Context.USER_SERVICE: |
| return mMockSystemServices.userManager; |
| case Context.POWER_SERVICE: |
| return mMockSystemServices.powerManager; |
| case Context.WIFI_SERVICE: |
| return mMockSystemServices.wifiManager; |
| case Context.ACCOUNT_SERVICE: |
| return mMockSystemServices.accountManager; |
| } |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public String getSystemServiceName(Class<?> serviceClass) { |
| return realTestContext.getSystemServiceName(serviceClass); |
| } |
| |
| @Override |
| public PackageManager getPackageManager() { |
| return mMockSystemServices.packageManager; |
| } |
| |
| public UserManagerInternal getUserManagerInternal() { |
| return mMockSystemServices.userManagerInternal; |
| } |
| |
| @Override |
| public void enforceCallingOrSelfPermission(String permission, String message) { |
| if (UserHandle.isSameApp(binder.getCallingUid(), SYSTEM_UID)) { |
| return; // Assume system has all permissions. |
| } |
| List<String> permissions = binder.callingPermissions.get(binder.getCallingUid()); |
| if (permissions == null) { |
| // TODO: delete the following line. to do this without breaking any tests, first it's |
| // necessary to remove all tests that set it directly. |
| permissions = callerPermissions; |
| // throw new UnsupportedOperationException( |
| // "Caller UID " + binder.getCallingUid() + " doesn't exist"); |
| } |
| if (!permissions.contains(permission)) { |
| throw new SecurityException("Caller doesn't have " + permission + " : " + message); |
| } |
| } |
| |
| @Override |
| public void sendBroadcast(Intent intent) { |
| spiedContext.sendBroadcast(intent); |
| } |
| |
| @Override |
| public void sendBroadcast(Intent intent, String receiverPermission) { |
| spiedContext.sendBroadcast(intent, receiverPermission); |
| } |
| |
| @Override |
| public void sendBroadcastMultiplePermissions(Intent intent, String[] receiverPermissions) { |
| spiedContext.sendBroadcastMultiplePermissions(intent, receiverPermissions); |
| } |
| |
| @Override |
| public void sendBroadcastAsUserMultiplePermissions(Intent intent, UserHandle user, |
| String[] receiverPermissions) { |
| spiedContext.sendBroadcastAsUserMultiplePermissions(intent, user, receiverPermissions); |
| } |
| |
| @Override |
| public void sendBroadcast(Intent intent, String receiverPermission, Bundle options) { |
| spiedContext.sendBroadcast(intent, receiverPermission, options); |
| } |
| |
| @Override |
| public void sendBroadcast(Intent intent, String receiverPermission, int appOp) { |
| spiedContext.sendBroadcast(intent, receiverPermission, appOp); |
| } |
| |
| @Override |
| public void sendOrderedBroadcast(Intent intent, String receiverPermission) { |
| spiedContext.sendOrderedBroadcast(intent, receiverPermission); |
| } |
| |
| @Override |
| public void sendOrderedBroadcast(Intent intent, String receiverPermission, |
| BroadcastReceiver resultReceiver, Handler scheduler, int initialCode, |
| String initialData, Bundle initialExtras) { |
| spiedContext.sendOrderedBroadcast(intent, receiverPermission, resultReceiver, scheduler, |
| initialCode, initialData, initialExtras); |
| } |
| |
| @Override |
| public void sendOrderedBroadcast(Intent intent, String receiverPermission, Bundle options, |
| BroadcastReceiver resultReceiver, Handler scheduler, int initialCode, |
| String initialData, Bundle initialExtras) { |
| spiedContext.sendOrderedBroadcast(intent, receiverPermission, options, resultReceiver, |
| scheduler, |
| initialCode, initialData, initialExtras); |
| } |
| |
| @Override |
| public void sendOrderedBroadcast(Intent intent, String receiverPermission, int appOp, |
| BroadcastReceiver resultReceiver, Handler scheduler, int initialCode, |
| String initialData, Bundle initialExtras) { |
| spiedContext.sendOrderedBroadcast(intent, receiverPermission, appOp, resultReceiver, |
| scheduler, |
| initialCode, initialData, initialExtras); |
| } |
| |
| @Override |
| public void sendBroadcastAsUser(Intent intent, UserHandle user) { |
| if (binder.callingPid != SYSTEM_PID) { |
| // Unless called as the system process, can only call if the target user is the |
| // calling user. |
| // (The actual check is more complex; we may need to change it later.) |
| Assert.assertEquals(UserHandle.getUserId(binder.getCallingUid()), user.getIdentifier()); |
| } |
| |
| spiedContext.sendBroadcastAsUser(intent, user); |
| } |
| |
| @Override |
| public void sendBroadcastAsUser(Intent intent, |
| UserHandle user, @Nullable String receiverPermission, @Nullable Bundle options) { |
| spiedContext.sendBroadcastAsUser(intent, user, receiverPermission, options); |
| } |
| |
| @Override |
| public void sendBroadcastAsUser(Intent intent, UserHandle user, String receiverPermission) { |
| spiedContext.sendBroadcastAsUser(intent, user, receiverPermission); |
| } |
| |
| @Override |
| public void sendBroadcastAsUser(Intent intent, UserHandle user, String receiverPermission, |
| int appOp) { |
| spiedContext.sendBroadcastAsUser(intent, user, receiverPermission, appOp); |
| } |
| |
| @Override |
| public void sendOrderedBroadcastAsUser(Intent intent, UserHandle user, |
| String receiverPermission, BroadcastReceiver resultReceiver, Handler scheduler, |
| int initialCode, String initialData, Bundle initialExtras) { |
| sendOrderedBroadcastAsUser( |
| intent, user, receiverPermission, AppOpsManager.OP_NONE, resultReceiver, |
| scheduler, initialCode, initialData, initialExtras); |
| } |
| |
| @Override |
| public void sendOrderedBroadcastAsUser(Intent intent, UserHandle user, |
| String receiverPermission, int appOp, BroadcastReceiver resultReceiver, |
| Handler scheduler, int initialCode, String initialData, Bundle initialExtras) { |
| sendOrderedBroadcastAsUser( |
| intent, user, receiverPermission, appOp, null, resultReceiver, |
| scheduler, initialCode, initialData, initialExtras); |
| } |
| |
| @Override |
| public void sendOrderedBroadcastAsUser(Intent intent, UserHandle user, |
| String receiverPermission, int appOp, Bundle options, BroadcastReceiver resultReceiver, |
| Handler scheduler, int initialCode, String initialData, Bundle initialExtras) { |
| spiedContext.sendOrderedBroadcastAsUser(intent, user, receiverPermission, appOp, options, |
| resultReceiver, scheduler, initialCode, initialData, initialExtras); |
| resultReceiver.onReceive(spiedContext, intent); |
| } |
| |
| @Override |
| public void sendStickyBroadcast(Intent intent) { |
| spiedContext.sendStickyBroadcast(intent); |
| } |
| |
| @Override |
| public void sendStickyOrderedBroadcast(Intent intent, BroadcastReceiver resultReceiver, |
| Handler scheduler, int initialCode, String initialData, Bundle initialExtras) { |
| spiedContext.sendStickyOrderedBroadcast(intent, resultReceiver, scheduler, initialCode, |
| initialData, initialExtras); |
| } |
| |
| @Override |
| public void removeStickyBroadcast(Intent intent) { |
| spiedContext.removeStickyBroadcast(intent); |
| } |
| |
| @Override |
| public void sendStickyBroadcastAsUser(Intent intent, UserHandle user) { |
| spiedContext.sendStickyBroadcastAsUser(intent, user); |
| } |
| |
| @Override |
| public void sendStickyOrderedBroadcastAsUser(Intent intent, UserHandle user, |
| BroadcastReceiver resultReceiver, Handler scheduler, int initialCode, |
| String initialData, Bundle initialExtras) { |
| spiedContext.sendStickyOrderedBroadcastAsUser(intent, user, resultReceiver, scheduler, initialCode, |
| initialData, initialExtras); |
| } |
| |
| @Override |
| public void removeStickyBroadcastAsUser(Intent intent, UserHandle user) { |
| spiedContext.removeStickyBroadcastAsUser(intent, user); |
| } |
| |
| @Override |
| public Intent registerReceiver(BroadcastReceiver receiver, IntentFilter filter) { |
| mMockSystemServices.registerReceiver(receiver, filter, null); |
| return spiedContext.registerReceiver(receiver, filter); |
| } |
| |
| @Override |
| public Intent registerReceiver(BroadcastReceiver receiver, IntentFilter filter, |
| String broadcastPermission, Handler scheduler) { |
| mMockSystemServices.registerReceiver(receiver, filter, scheduler); |
| return spiedContext.registerReceiver(receiver, filter, broadcastPermission, scheduler); |
| } |
| |
| @Override |
| public Intent registerReceiverAsUser(BroadcastReceiver receiver, UserHandle user, |
| IntentFilter filter, String broadcastPermission, Handler scheduler) { |
| mMockSystemServices.registerReceiver(receiver, filter, scheduler); |
| return spiedContext.registerReceiverAsUser(receiver, user, filter, broadcastPermission, |
| scheduler); |
| } |
| |
| @Override |
| public void unregisterReceiver(BroadcastReceiver receiver) { |
| mMockSystemServices.unregisterReceiver(receiver); |
| spiedContext.unregisterReceiver(receiver); |
| } |
| |
| @Override |
| public Context createPackageContextAsUser(String packageName, int flags, UserHandle user) |
| throws PackageManager.NameNotFoundException { |
| return mMockSystemServices.createPackageContextAsUser(packageName, flags, user); |
| } |
| |
| @Override |
| public ContentResolver getContentResolver() { |
| return mMockSystemServices.contentResolver; |
| } |
| |
| @Override |
| public int getUserId() { |
| return UserHandle.getUserId(binder.getCallingUid()); |
| } |
| |
| @Override |
| public int checkCallingPermission(String permission) { |
| return spiedContext.checkCallingPermission(permission); |
| } |
| } |