Merge "Add device admin restrictions for mic/cam toggles" into sc-dev am: e25a1b3d91 am: 819e5e93f5

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14254683

Change-Id: I1c452779470fc549fcb4608a9410fe05607c38ac

core/api/current.txt

@@ -31990,6 +31990,7 @@ package android.os {
     field public static final String DISALLOW_AUTOFILL = "no_autofill";
     field public static final String DISALLOW_BLUETOOTH = "no_bluetooth";
     field public static final String DISALLOW_BLUETOOTH_SHARING = "no_bluetooth_sharing";
+    field public static final String DISALLOW_CAMERA_TOGGLE = "disallow_camera_toggle";
     field public static final String DISALLOW_CONFIG_BLUETOOTH = "no_config_bluetooth";
     field public static final String DISALLOW_CONFIG_BRIGHTNESS = "no_config_brightness";
     field public static final String DISALLOW_CONFIG_CELL_BROADCASTS = "no_config_cell_broadcasts";
@@ -32014,6 +32015,7 @@ package android.os {
     field public static final String DISALLOW_INSTALL_APPS = "no_install_apps";
     field public static final String DISALLOW_INSTALL_UNKNOWN_SOURCES = "no_install_unknown_sources";
     field public static final String DISALLOW_INSTALL_UNKNOWN_SOURCES_GLOBALLY = "no_install_unknown_sources_globally";
+    field public static final String DISALLOW_MICROPHONE_TOGGLE = "disallow_microphone_toggle";
     field public static final String DISALLOW_MODIFY_ACCOUNTS = "no_modify_accounts";
     field public static final String DISALLOW_MOUNT_PHYSICAL_MEDIA = "no_physical_media";
     field public static final String DISALLOW_NETWORK_RESET = "no_network_reset";

core/java/android/os/UserManager.java

@@ -1285,6 +1285,40 @@ public class UserManager {
     public static final String DISALLOW_CONFIG_PRIVATE_DNS =
             "disallow_config_private_dns";
 
+    /**
+     * Specifies whether the microphone toggle is available to the user. If this restriction is set,
+     * the user will not be able to block microphone access via the system toggle. If microphone
+     * access is blocked when the restriction is added, it will be automatically re-enabled.
+     *
+     * This restriction can only be set by a device owner.
+     *
+     * <p>The default value is <code>false</code>.
+     *
+     * @see android.hardware.SensorPrivacyManager
+     * @see DevicePolicyManager#addUserRestriction(ComponentName, String)
+     * @see DevicePolicyManager#clearUserRestriction(ComponentName, String)
+     * @see #getUserRestrictions()
+     */
+    public static final String DISALLOW_MICROPHONE_TOGGLE =
+            "disallow_microphone_toggle";
+
+    /**
+     * Specifies whether the camera toggle is available to the user. If this restriction is set,
+     * the user will not be able to block camera access via the system toggle. If camera
+     * access is blocked when the restriction is added, it will be automatically re-enabled.
+     *
+     * This restriction can only be set by a device owner.
+     *
+     * <p>The default value is <code>false</code>.
+     *
+     * @see android.hardware.SensorPrivacyManager
+     * @see DevicePolicyManager#addUserRestriction(ComponentName, String)
+     * @see DevicePolicyManager#clearUserRestriction(ComponentName, String)
+     * @see #getUserRestrictions()
+     */
+    public static final String DISALLOW_CAMERA_TOGGLE =
+            "disallow_camera_toggle";
+
     /**
      * Application restriction key that is used to indicate the pending arrival
      * of real restrictions for the app.
@@ -1376,6 +1410,8 @@ public class UserManager {
             DISALLOW_SHARE_INTO_MANAGED_PROFILE,
             DISALLOW_PRINTING,
             DISALLOW_CONFIG_PRIVATE_DNS,
+            DISALLOW_MICROPHONE_TOGGLE,
+            DISALLOW_CAMERA_TOGGLE,
             KEY_RESTRICTIONS_PENDING,
     })
     @Retention(RetentionPolicy.SOURCE)

services/core/java/com/android/server/SensorPrivacyService.java

@@ -61,6 +61,7 @@ import android.hardware.ISensorPrivacyManager;
 import android.hardware.SensorPrivacyManager;
 import android.hardware.SensorPrivacyManagerInternal;
 import android.os.Binder;
+import android.os.Bundle;
 import android.os.Environment;
 import android.os.Handler;
 import android.os.IBinder;
@@ -72,6 +73,7 @@ import android.os.ResultReceiver;
 import android.os.ShellCallback;
 import android.os.ShellCommand;
 import android.os.UserHandle;
+import android.os.UserManager;
 import android.provider.Settings;
 import android.service.SensorPrivacyIndividualEnabledSensorProto;
 import android.service.SensorPrivacyServiceDumpProto;
@@ -195,7 +197,7 @@ public final class SensorPrivacyService extends SystemService {
 
     class SensorPrivacyServiceImpl extends ISensorPrivacyManager.Stub implements
             AppOpsManager.OnOpNotedListener, AppOpsManager.OnOpStartedListener,
-            IBinder.DeathRecipient {
+            IBinder.DeathRecipient, UserManagerInternal.UserRestrictionsListener {
 
         private final SensorPrivacyHandler mHandler;
         private final Object mLock = new Object();
@@ -282,6 +284,21 @@ public final class SensorPrivacyService extends SystemService {
                 }
             }, new IntentFilter(ACTION_DISABLE_INDIVIDUAL_SENSOR_PRIVACY),
                     MANAGE_SENSOR_PRIVACY, null);
+            mUserManagerInternal.addUserRestrictionsListener(this);
+        }
+
+        @Override
+        public void onUserRestrictionsChanged(int userId, Bundle newRestrictions,
+                Bundle prevRestrictions) {
+            // Reset sensor privacy when restriction is added
+            if (!prevRestrictions.getBoolean(UserManager.DISALLOW_CAMERA_TOGGLE)
+                    && newRestrictions.getBoolean(UserManager.DISALLOW_CAMERA_TOGGLE)) {
+                setIndividualSensorPrivacyUnchecked(userId, CAMERA, false);
+            }
+            if (!prevRestrictions.getBoolean(UserManager.DISALLOW_MICROPHONE_TOGGLE)
+                    && newRestrictions.getBoolean(UserManager.DISALLOW_MICROPHONE_TOGGLE)) {
+                setIndividualSensorPrivacyUnchecked(userId, MICROPHONE, false);
+            }
         }
 
         @Override
@@ -619,6 +636,17 @@ public final class SensorPrivacyService extends SystemService {
                 return false;
             }
 
+            if (sensor == MICROPHONE && mUserManagerInternal.getUserRestriction(userId,
+                    UserManager.DISALLOW_MICROPHONE_TOGGLE)) {
+                Log.i(TAG, "Can't change mic toggle due to admin restriction");
+                return false;
+            }
+
+            if (sensor == CAMERA && mUserManagerInternal.getUserRestriction(userId,
+                    UserManager.DISALLOW_CAMERA_TOGGLE)) {
+                Log.i(TAG, "Can't change camera toggle due to admin restriction");
+                return false;
+            }
             return true;
         }
 

services/core/java/com/android/server/pm/UserRestrictionsUtils.java

@@ -138,7 +138,9 @@ public class UserRestrictionsUtils {
             UserManager.DISALLOW_AMBIENT_DISPLAY,
             UserManager.DISALLOW_CONFIG_SCREEN_TIMEOUT,
             UserManager.DISALLOW_PRINTING,
-            UserManager.DISALLOW_CONFIG_PRIVATE_DNS
+            UserManager.DISALLOW_CONFIG_PRIVATE_DNS,
+            UserManager.DISALLOW_MICROPHONE_TOGGLE,
+            UserManager.DISALLOW_CAMERA_TOGGLE
     });
 
     public static final Set<String> DEPRECATED_USER_RESTRICTIONS = Sets.newArraySet(
@@ -180,7 +182,9 @@ public class UserRestrictionsUtils {
      */
     private static final Set<String> DEVICE_OWNER_ONLY_RESTRICTIONS = Sets.newArraySet(
             UserManager.DISALLOW_USER_SWITCH,
-            UserManager.DISALLOW_CONFIG_PRIVATE_DNS
+            UserManager.DISALLOW_CONFIG_PRIVATE_DNS,
+            UserManager.DISALLOW_MICROPHONE_TOGGLE,
+            UserManager.DISALLOW_CAMERA_TOGGLE
     );
 
     /**