1 /* 2 * Copyright (C) 2013 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 com.android.server.location; 18 19 import android.content.Context; 20 import android.hardware.location.IFusedLocationHardware; 21 import android.hardware.location.IFusedLocationHardwareSink; 22 import android.location.FusedBatchOptions; 23 import android.os.RemoteException; 24 25 /** 26 * FusedLocationHardware decorator that adds permission checking. 27 * @hide 28 */ 29 public class FusedLocationHardwareSecure extends IFusedLocationHardware.Stub { 30 private final IFusedLocationHardware mLocationHardware; 31 private final Context mContext; 32 private final String mPermissionId; 33 FusedLocationHardwareSecure( IFusedLocationHardware locationHardware, Context context, String permissionId)34 public FusedLocationHardwareSecure( 35 IFusedLocationHardware locationHardware, 36 Context context, 37 String permissionId) { 38 mLocationHardware = locationHardware; 39 mContext = context; 40 mPermissionId = permissionId; 41 } 42 checkPermissions()43 private void checkPermissions() { 44 mContext.enforceCallingPermission( 45 mPermissionId, 46 String.format( 47 "Permission '%s' not granted to access FusedLocationHardware", 48 mPermissionId)); 49 } 50 51 @Override registerSink(IFusedLocationHardwareSink eventSink)52 public void registerSink(IFusedLocationHardwareSink eventSink) throws RemoteException { 53 checkPermissions(); 54 mLocationHardware.registerSink(eventSink); 55 } 56 57 @Override unregisterSink(IFusedLocationHardwareSink eventSink)58 public void unregisterSink(IFusedLocationHardwareSink eventSink) throws RemoteException { 59 checkPermissions(); 60 mLocationHardware.unregisterSink(eventSink); 61 } 62 63 @Override getSupportedBatchSize()64 public int getSupportedBatchSize() throws RemoteException { 65 checkPermissions(); 66 return mLocationHardware.getSupportedBatchSize(); 67 } 68 69 @Override startBatching(int id, FusedBatchOptions batchOptions)70 public void startBatching(int id, FusedBatchOptions batchOptions) throws RemoteException { 71 checkPermissions(); 72 mLocationHardware.startBatching(id, batchOptions); 73 } 74 75 @Override stopBatching(int id)76 public void stopBatching(int id) throws RemoteException { 77 checkPermissions(); 78 mLocationHardware.stopBatching(id); 79 } 80 81 @Override updateBatchingOptions( int id, FusedBatchOptions batchoOptions )82 public void updateBatchingOptions( 83 int id, 84 FusedBatchOptions batchoOptions 85 ) throws RemoteException { 86 checkPermissions(); 87 mLocationHardware.updateBatchingOptions(id, batchoOptions); 88 } 89 90 @Override requestBatchOfLocations(int batchSizeRequested)91 public void requestBatchOfLocations(int batchSizeRequested) throws RemoteException { 92 checkPermissions(); 93 mLocationHardware.requestBatchOfLocations(batchSizeRequested); 94 } 95 96 @Override supportsDiagnosticDataInjection()97 public boolean supportsDiagnosticDataInjection() throws RemoteException { 98 checkPermissions(); 99 return mLocationHardware.supportsDiagnosticDataInjection(); 100 } 101 102 @Override injectDiagnosticData(String data)103 public void injectDiagnosticData(String data) throws RemoteException { 104 checkPermissions(); 105 mLocationHardware.injectDiagnosticData(data); 106 } 107 108 @Override supportsDeviceContextInjection()109 public boolean supportsDeviceContextInjection() throws RemoteException { 110 checkPermissions(); 111 return mLocationHardware.supportsDeviceContextInjection(); 112 } 113 114 @Override injectDeviceContext(int deviceEnabledContext)115 public void injectDeviceContext(int deviceEnabledContext) throws RemoteException { 116 checkPermissions(); 117 mLocationHardware.injectDeviceContext(deviceEnabledContext); 118 } 119 } 120