1 /* 2 * Copyright (C) 2024 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 17 package android.virtualdevice.cts.applaunch; 18 19 20 import static com.google.common.truth.Truth.assertThat; 21 import static com.google.common.truth.Truth.assertWithMessage; 22 23 import android.app.Activity; 24 import android.companion.virtual.VirtualDeviceManager.VirtualDevice; 25 import android.hardware.display.DisplayManager; 26 import android.hardware.display.VirtualDisplay; 27 import android.media.MediaDrm; 28 import android.media.NotProvisionedException; 29 import android.media.ResourceBusyException; 30 import android.media.UnsupportedSchemeException; 31 import android.platform.test.annotations.AppModeFull; 32 import android.util.Log; 33 import android.virtualdevice.cts.common.VirtualDeviceRule; 34 35 import androidx.test.ext.junit.runners.AndroidJUnit4; 36 37 import org.junit.Before; 38 import org.junit.Rule; 39 import org.junit.Test; 40 import org.junit.runner.RunWith; 41 42 import java.util.UUID; 43 44 /** 45 * Tests for DRM APIs called from applications running on virtual devices. 46 */ 47 @RunWith(AndroidJUnit4.class) 48 @AppModeFull(reason = "VirtualDeviceManager cannot be accessed by instant apps") 49 public class VirtualDeviceDrmTest { 50 51 private static final String TAG = "MediaDrmTest"; 52 53 @Rule 54 public VirtualDeviceRule mRule = VirtualDeviceRule.createDefault(); 55 56 private DrmActivity mDrmActivity; 57 58 @Before setUp()59 public void setUp() throws Exception { 60 VirtualDevice virtualDevice = mRule.createManagedVirtualDevice(); 61 VirtualDisplay virtualDisplay = mRule.createManagedVirtualDisplayWithFlags(virtualDevice, 62 DisplayManager.VIRTUAL_DISPLAY_FLAG_PUBLIC 63 | DisplayManager.VIRTUAL_DISPLAY_FLAG_TRUSTED 64 | DisplayManager.VIRTUAL_DISPLAY_FLAG_OWN_CONTENT_ONLY); 65 66 mDrmActivity = mRule.startActivityOnDisplaySync(virtualDisplay, DrmActivity.class); 67 } 68 69 @Test activityOnVirtualDevice_isCryptoSchemeSupported_testUnsupported()70 public void activityOnVirtualDevice_isCryptoSchemeSupported_testUnsupported() { 71 for (UUID scheme : MediaDrm.getSupportedCryptoSchemes()) { 72 int[] unsupportedLevels = { 73 MediaDrm.SECURITY_LEVEL_HW_SECURE_ALL, 74 MediaDrm.SECURITY_LEVEL_HW_SECURE_CRYPTO, 75 MediaDrm.SECURITY_LEVEL_HW_SECURE_DECODE, 76 MediaDrm.SECURITY_LEVEL_SW_SECURE_DECODE 77 }; 78 for (int level : unsupportedLevels) { 79 for (String mime : new String[]{"audio/mp4", "video/mp4"}) { 80 assertWithMessage(String.format( 81 "Should not be supported on virtual devices: Scheme: %s, Mime: %s, " 82 + "Securitylevel: %d", 83 scheme, mime, level)).that( 84 mDrmActivity.isCryptoSchemeSupported(scheme, mime, level)).isFalse(); 85 } 86 } 87 } 88 } 89 90 @Test activityOnVirtualDevice_openSession_verifyDowngradedSecurityLevel()91 public void activityOnVirtualDevice_openSession_verifyDowngradedSecurityLevel() { 92 for (UUID scheme : MediaDrm.getSupportedCryptoSchemes()) { 93 int[] securityLevels = { 94 MediaDrm.SECURITY_LEVEL_SW_SECURE_CRYPTO, 95 MediaDrm.SECURITY_LEVEL_SW_SECURE_DECODE, 96 MediaDrm.SECURITY_LEVEL_HW_SECURE_CRYPTO, 97 MediaDrm.SECURITY_LEVEL_HW_SECURE_DECODE, 98 MediaDrm.SECURITY_LEVEL_HW_SECURE_ALL, 99 MediaDrm.getMaxSecurityLevel() 100 }; 101 for (int level : securityLevels) { 102 assertThat(mDrmActivity.getSecurityLevel(scheme, level)).isAtMost( 103 MediaDrm.SECURITY_LEVEL_SW_SECURE_CRYPTO); 104 } 105 } 106 } 107 108 public static class DrmActivity extends Activity { 109 110 private static final String TAG = "DrmActivity"; 111 isCryptoSchemeSupported(UUID uuid, String mimeType, int securityLevel)112 boolean isCryptoSchemeSupported(UUID uuid, String mimeType, int securityLevel) { 113 return MediaDrm.isCryptoSchemeSupported(uuid, mimeType, securityLevel); 114 } 115 getSecurityLevel(UUID uuid, int securityLevel)116 int getSecurityLevel(UUID uuid, int securityLevel) { 117 try (MediaDrm drm = new MediaDrm(uuid)) { 118 byte[] sessionId = drm.openSession(securityLevel); 119 return drm.getSecurityLevel(sessionId); 120 } catch (UnsupportedSchemeException | NotProvisionedException 121 | ResourceBusyException | IllegalArgumentException e) { 122 Log.w(TAG, "Skipping scheme: " + uuid + " at security level: " + securityLevel); 123 } 124 return MediaDrm.SECURITY_LEVEL_UNKNOWN; 125 } 126 } 127 } 128