/* * Copyright (C) 2014 Samsung System LSI * 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.bluetooth.map; import android.app.AlarmManager; import android.app.PendingIntent; import android.bluetooth.BluetoothAdapter; import android.bluetooth.BluetoothDevice; import android.bluetooth.BluetoothMap; import android.bluetooth.BluetoothProfile; import android.bluetooth.BluetoothUuid; import android.bluetooth.IBluetoothMap; import android.bluetooth.SdpMnsRecord; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.content.IntentFilter.MalformedMimeTypeException; import android.os.Handler; import android.os.HandlerThread; import android.os.Looper; import android.os.Message; import android.os.ParcelUuid; import android.os.PowerManager; import android.os.RemoteException; import android.provider.Settings; import android.support.annotation.VisibleForTesting; import android.text.TextUtils; import android.util.Log; import android.util.SparseArray; import com.android.bluetooth.BluetoothMetricsProto; import com.android.bluetooth.R; import com.android.bluetooth.Utils; import com.android.bluetooth.btservice.MetricsLogger; import com.android.bluetooth.btservice.ProfileService; import java.io.IOException; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Set; public class BluetoothMapService extends ProfileService { private static final String TAG = "BluetoothMapService"; /** * To enable MAP DEBUG/VERBOSE logging - run below cmd in adb shell, and * restart com.android.bluetooth process. only enable DEBUG log: * "setprop log.tag.BluetoothMapService DEBUG"; enable both VERBOSE and * DEBUG log: "setprop log.tag.BluetoothMapService VERBOSE" */ public static final boolean DEBUG = true; //FIXME set to false; public static final boolean VERBOSE = false; /** * Intent indicating timeout for user confirmation, which is sent to * BluetoothMapActivity */ public static final String USER_CONFIRM_TIMEOUT_ACTION = "com.android.bluetooth.map.USER_CONFIRM_TIMEOUT"; private static final int USER_CONFIRM_TIMEOUT_VALUE = 25000; // Intent indicating that the email settings activity should be opened static final String ACTION_SHOW_MAPS_SETTINGS = "android.btmap.intent.action.SHOW_MAPS_SETTINGS"; static final int MSG_SERVERSESSION_CLOSE = 5000; static final int MSG_SESSION_ESTABLISHED = 5001; static final int MSG_SESSION_DISCONNECTED = 5002; static final int MSG_MAS_CONNECT = 5003; // Send at MAS connect, including the MAS_ID static final int MSG_MAS_CONNECT_CANCEL = 5004; // Send at auth. declined static final int MSG_ACQUIRE_WAKE_LOCK = 5005; static final int MSG_RELEASE_WAKE_LOCK = 5006; static final int MSG_MNS_SDP_SEARCH = 5007; static final int MSG_OBSERVER_REGISTRATION = 5008; private static final String BLUETOOTH_PERM = android.Manifest.permission.BLUETOOTH; private static final String BLUETOOTH_ADMIN_PERM = android.Manifest.permission.BLUETOOTH_ADMIN; private static final int START_LISTENER = 1; private static final int USER_TIMEOUT = 2; private static final int DISCONNECT_MAP = 3; private static final int SHUTDOWN = 4; private static final int UPDATE_MAS_INSTANCES = 5; private static final int RELEASE_WAKE_LOCK_DELAY = 10000; private PowerManager.WakeLock mWakeLock = null; static final int UPDATE_MAS_INSTANCES_ACCOUNT_ADDED = 0; static final int UPDATE_MAS_INSTANCES_ACCOUNT_REMOVED = 1; static final int UPDATE_MAS_INSTANCES_ACCOUNT_RENAMED = 2; static final int UPDATE_MAS_INSTANCES_ACCOUNT_DISCONNECT = 3; private static final int MAS_ID_SMS_MMS = 0; private BluetoothAdapter mAdapter; private BluetoothMnsObexClient mBluetoothMnsObexClient = null; // mMasInstances: A list of the active MasInstances using the MasId for the key private SparseArray mMasInstances = new SparseArray(1); // mMasInstanceMap: A list of the active MasInstances using the account for the key private HashMap mMasInstanceMap = new HashMap(1); // The remote connected device - protect access private static BluetoothDevice sRemoteDevice = null; private ArrayList mEnabledAccounts = null; private static String sRemoteDeviceName = null; private int mState; private BluetoothMapAppObserver mAppObserver = null; private AlarmManager mAlarmManager = null; private boolean mIsWaitingAuthorization = false; private boolean mRemoveTimeoutMsg = false; private boolean mRegisteredMapReceiver = false; private int mPermission = BluetoothDevice.ACCESS_UNKNOWN; private boolean mAccountChanged = false; private boolean mSdpSearchInitiated = false; private SdpMnsRecord mMnsRecord = null; private MapServiceMessageHandler mSessionStatusHandler; private boolean mServiceStarted = false; private static BluetoothMapService sBluetoothMapService; private boolean mSmsCapable = true; private static final ParcelUuid[] MAP_UUIDS = { BluetoothUuid.MAP, BluetoothUuid.MNS, }; public BluetoothMapService() { mState = BluetoothMap.STATE_DISCONNECTED; } private synchronized void closeService() { if (DEBUG) { Log.d(TAG, "closeService() in"); } if (mBluetoothMnsObexClient != null) { mBluetoothMnsObexClient.shutdown(); mBluetoothMnsObexClient = null; } int numMasInstances = mMasInstances.size(); for (int i = 0; i < numMasInstances; i++) { mMasInstances.valueAt(i).shutdown(); } mMasInstances.clear(); mIsWaitingAuthorization = false; mPermission = BluetoothDevice.ACCESS_UNKNOWN; setState(BluetoothMap.STATE_DISCONNECTED); if (mWakeLock != null) { mWakeLock.release(); if (VERBOSE) { Log.v(TAG, "CloseService(): Release Wake Lock"); } mWakeLock = null; } sRemoteDevice = null; if (mSessionStatusHandler == null) { return; } // Perform cleanup in Handler running on worker Thread mSessionStatusHandler.removeCallbacksAndMessages(null); Looper looper = mSessionStatusHandler.getLooper(); if (looper != null) { looper.quit(); if (VERBOSE) { Log.i(TAG, "Quit looper"); } } mSessionStatusHandler = null; if (VERBOSE) { Log.v(TAG, "MAP Service closeService out"); } } /** * Starts the Socket listener threads for each MAS */ private void startSocketListeners(int masId) { if (masId == -1) { for (int i = 0, c = mMasInstances.size(); i < c; i++) { mMasInstances.valueAt(i).startSocketListeners(); } } else { BluetoothMapMasInstance masInst = mMasInstances.get(masId); // returns null for -1 if (masInst != null) { masInst.startSocketListeners(); } else { Log.w(TAG, "startSocketListeners(): Invalid MasId: " + masId); } } } /** * Start a MAS instance for SMS/MMS and each e-mail account. */ private void startObexServerSessions() { if (DEBUG) { Log.d(TAG, "Map Service START ObexServerSessions()"); } // Acquire the wakeLock before starting Obex transaction thread if (mWakeLock == null) { PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE); mWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "StartingObexMapTransaction"); mWakeLock.setReferenceCounted(false); mWakeLock.acquire(); if (VERBOSE) { Log.v(TAG, "startObexSessions(): Acquire Wake Lock"); } } if (mBluetoothMnsObexClient == null) { mBluetoothMnsObexClient = new BluetoothMnsObexClient(sRemoteDevice, mMnsRecord, mSessionStatusHandler); } boolean connected = false; for (int i = 0, c = mMasInstances.size(); i < c; i++) { try { if (mMasInstances.valueAt(i).startObexServerSession(mBluetoothMnsObexClient)) { connected = true; } } catch (IOException e) { Log.w(TAG, "IOException occured while starting an obexServerSession restarting" + " the listener", e); mMasInstances.valueAt(i).restartObexServerSession(); } catch (RemoteException e) { Log.w(TAG, "RemoteException occured while starting an obexServerSession restarting" + " the listener", e); mMasInstances.valueAt(i).restartObexServerSession(); } } if (connected) { setState(BluetoothMap.STATE_CONNECTED); } mSessionStatusHandler.removeMessages(MSG_RELEASE_WAKE_LOCK); mSessionStatusHandler.sendMessageDelayed( mSessionStatusHandler.obtainMessage(MSG_RELEASE_WAKE_LOCK), RELEASE_WAKE_LOCK_DELAY); if (VERBOSE) { Log.v(TAG, "startObexServerSessions() success!"); } } public Handler getHandler() { return mSessionStatusHandler; } /** * Restart a MAS instances. * @param masId use -1 to stop all instances */ private void stopObexServerSessions(int masId) { if (DEBUG) { Log.d(TAG, "MAP Service STOP ObexServerSessions()"); } boolean lastMasInst = true; if (masId != -1) { for (int i = 0, c = mMasInstances.size(); i < c; i++) { BluetoothMapMasInstance masInst = mMasInstances.valueAt(i); if (masInst.getMasId() != masId && masInst.isStarted()) { lastMasInst = false; } } } // Else just close down it all // Shutdown the MNS client - this must happen before MAS close if (mBluetoothMnsObexClient != null && lastMasInst) { mBluetoothMnsObexClient.shutdown(); mBluetoothMnsObexClient = null; } BluetoothMapMasInstance masInst = mMasInstances.get(masId); // returns null for -1 if (masInst != null) { masInst.restartObexServerSession(); } else if (masId == -1) { for (int i = 0, c = mMasInstances.size(); i < c; i++) { mMasInstances.valueAt(i).restartObexServerSession(); } } if (lastMasInst) { setState(BluetoothMap.STATE_DISCONNECTED); mPermission = BluetoothDevice.ACCESS_UNKNOWN; sRemoteDevice = null; if (mAccountChanged) { updateMasInstances(UPDATE_MAS_INSTANCES_ACCOUNT_DISCONNECT); } } // Release the wake lock at disconnect if (mWakeLock != null && lastMasInst) { mSessionStatusHandler.removeMessages(MSG_ACQUIRE_WAKE_LOCK); mSessionStatusHandler.removeMessages(MSG_RELEASE_WAKE_LOCK); mWakeLock.release(); if (VERBOSE) { Log.v(TAG, "stopObexServerSessions(): Release Wake Lock"); } } } private final class MapServiceMessageHandler extends Handler { private MapServiceMessageHandler(Looper looper) { super(looper); } @Override public void handleMessage(Message msg) { if (VERBOSE) { Log.v(TAG, "Handler(): got msg=" + msg.what); } switch (msg.what) { case UPDATE_MAS_INSTANCES: updateMasInstancesHandler(); break; case START_LISTENER: if (mAdapter.isEnabled()) { startSocketListeners(msg.arg1); } break; case MSG_MAS_CONNECT: onConnectHandler(msg.arg1); break; case MSG_MAS_CONNECT_CANCEL: /* TODO: We need to handle this by accepting the connection and reject at * OBEX level, by using ObexRejectServer - add timeout to handle clients not * closing the transport channel. */ stopObexServerSessions(-1); break; case USER_TIMEOUT: if (mIsWaitingAuthorization) { Intent intent = new Intent(BluetoothDevice.ACTION_CONNECTION_ACCESS_CANCEL); intent.setPackage(getString(R.string.pairing_ui_package)); intent.putExtra(BluetoothDevice.EXTRA_DEVICE, sRemoteDevice); intent.putExtra(BluetoothDevice.EXTRA_ACCESS_REQUEST_TYPE, BluetoothDevice.REQUEST_TYPE_MESSAGE_ACCESS); sendBroadcast(intent); cancelUserTimeoutAlarm(); mIsWaitingAuthorization = false; stopObexServerSessions(-1); } break; case MSG_SERVERSESSION_CLOSE: stopObexServerSessions(msg.arg1); break; case MSG_SESSION_ESTABLISHED: break; case MSG_SESSION_DISCONNECTED: // handled elsewhere break; case DISCONNECT_MAP: disconnectMap((BluetoothDevice) msg.obj); break; case SHUTDOWN: // Call close from this handler to avoid starting because of pending messages closeService(); break; case MSG_ACQUIRE_WAKE_LOCK: if (VERBOSE) { Log.v(TAG, "Acquire Wake Lock request message"); } if (mWakeLock == null) { PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE); mWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "StartingObexMapTransaction"); mWakeLock.setReferenceCounted(false); } if (!mWakeLock.isHeld()) { mWakeLock.acquire(); if (DEBUG) { Log.d(TAG, " Acquired Wake Lock by message"); } } mSessionStatusHandler.removeMessages(MSG_RELEASE_WAKE_LOCK); mSessionStatusHandler.sendMessageDelayed( mSessionStatusHandler.obtainMessage(MSG_RELEASE_WAKE_LOCK), RELEASE_WAKE_LOCK_DELAY); break; case MSG_RELEASE_WAKE_LOCK: if (VERBOSE) { Log.v(TAG, "Release Wake Lock request message"); } if (mWakeLock != null) { mWakeLock.release(); if (DEBUG) { Log.d(TAG, " Released Wake Lock by message"); } } break; case MSG_MNS_SDP_SEARCH: if (sRemoteDevice != null) { if (DEBUG) { Log.d(TAG, "MNS SDP Initiate Search .."); } sRemoteDevice.sdpSearch(BluetoothMnsObexClient.BLUETOOTH_UUID_OBEX_MNS); } else { Log.w(TAG, "remoteDevice info not available"); } break; case MSG_OBSERVER_REGISTRATION: if (DEBUG) { Log.d(TAG, "ContentObserver Registration MASID: " + msg.arg1 + " Enable: " + msg.arg2); } BluetoothMapMasInstance masInst = mMasInstances.get(msg.arg1); if (masInst != null && masInst.mObserver != null) { try { if (msg.arg2 == BluetoothMapAppParams.NOTIFICATION_STATUS_YES) { masInst.mObserver.registerObserver(); } else { masInst.mObserver.unregisterObserver(); } } catch (RemoteException e) { Log.e(TAG, "ContentObserverRegistarion Failed: " + e); } } break; default: break; } } } private void onConnectHandler(int masId) { if (mIsWaitingAuthorization || sRemoteDevice == null || mSdpSearchInitiated) { return; } BluetoothMapMasInstance masInst = mMasInstances.get(masId); // Need to ensure we are still allowed. if (DEBUG) { Log.d(TAG, "mPermission = " + mPermission); } if (mPermission == BluetoothDevice.ACCESS_ALLOWED) { try { if (VERBOSE) { Log.v(TAG, "incoming connection accepted from: " + sRemoteDeviceName + " automatically as trusted device"); } if (mBluetoothMnsObexClient != null && masInst != null) { masInst.startObexServerSession(mBluetoothMnsObexClient); } else { startObexServerSessions(); } } catch (IOException ex) { Log.e(TAG, "catch IOException starting obex server session", ex); } catch (RemoteException ex) { Log.e(TAG, "catch RemoteException starting obex server session", ex); } } } public int getState() { return mState; } public static BluetoothDevice getRemoteDevice() { return sRemoteDevice; } private void setState(int state) { setState(state, BluetoothMap.RESULT_SUCCESS); } private synchronized void setState(int state, int result) { if (state != mState) { if (DEBUG) { Log.d(TAG, "Map state " + mState + " -> " + state + ", result = " + result); } int prevState = mState; mState = state; Intent intent = new Intent(BluetoothMap.ACTION_CONNECTION_STATE_CHANGED); intent.putExtra(BluetoothProfile.EXTRA_PREVIOUS_STATE, prevState); intent.putExtra(BluetoothProfile.EXTRA_STATE, mState); intent.putExtra(BluetoothDevice.EXTRA_DEVICE, sRemoteDevice); sendBroadcast(intent, BLUETOOTH_PERM); } } void disconnect(BluetoothDevice device) { mSessionStatusHandler.sendMessage( mSessionStatusHandler.obtainMessage(DISCONNECT_MAP, 0, 0, device)); } void disconnectMap(BluetoothDevice device) { if (DEBUG) { Log.d(TAG, "disconnectMap"); } if (getRemoteDevice() != null && getRemoteDevice().equals(device)) { switch (mState) { case BluetoothMap.STATE_CONNECTED: // Disconnect all connections and restart all MAS instances stopObexServerSessions(-1); break; default: break; } } } private List getConnectedDevices() { List devices = new ArrayList<>(); synchronized (this) { if (mState == BluetoothMap.STATE_CONNECTED && sRemoteDevice != null) { devices.add(sRemoteDevice); } } return devices; } List getDevicesMatchingConnectionStates(int[] states) { List deviceList = new ArrayList<>(); Set bondedDevices = mAdapter.getBondedDevices(); if (bondedDevices == null) { return deviceList; } synchronized (this) { for (BluetoothDevice device : bondedDevices) { ParcelUuid[] featureUuids = device.getUuids(); if (!BluetoothUuid.containsAnyUuid(featureUuids, MAP_UUIDS)) { continue; } int connectionState = getConnectionState(device); for (int state : states) { if (connectionState == state) { deviceList.add(device); } } } } return deviceList; } int getConnectionState(BluetoothDevice device) { synchronized (this) { if (getState() == BluetoothMap.STATE_CONNECTED && getRemoteDevice().equals(device)) { return BluetoothProfile.STATE_CONNECTED; } else { return BluetoothProfile.STATE_DISCONNECTED; } } } boolean setPriority(BluetoothDevice device, int priority) { if (VERBOSE) { Log.v(TAG, "Saved priority " + device + " = " + priority); } return Settings.Global.putInt(getContentResolver(), Settings.Global.getBluetoothMapPriorityKey(device.getAddress()), priority); } int getPriority(BluetoothDevice device) { return Settings.Global.getInt(getContentResolver(), Settings.Global.getBluetoothMapPriorityKey(device.getAddress()), BluetoothProfile.PRIORITY_UNDEFINED); } @Override protected IProfileServiceBinder initBinder() { return new BluetoothMapBinder(this); } @Override protected boolean start() { if (DEBUG) { Log.d(TAG, "start()"); } HandlerThread thread = new HandlerThread("BluetoothMapHandler"); thread.start(); Looper looper = thread.getLooper(); mSessionStatusHandler = new MapServiceMessageHandler(looper); IntentFilter filter = new IntentFilter(); filter.addAction(BluetoothDevice.ACTION_CONNECTION_ACCESS_REPLY); filter.addAction(BluetoothAdapter.ACTION_STATE_CHANGED); filter.addAction(BluetoothDevice.ACTION_ACL_DISCONNECTED); filter.addAction(BluetoothDevice.ACTION_SDP_RECORD); filter.addAction(ACTION_SHOW_MAPS_SETTINGS); filter.addAction(USER_CONFIRM_TIMEOUT_ACTION); // We need two filters, since Type only applies to the ACTION_MESSAGE_SENT IntentFilter filterMessageSent = new IntentFilter(); filterMessageSent.addAction(BluetoothMapContentObserver.ACTION_MESSAGE_SENT); try { filterMessageSent.addDataType("message/*"); } catch (MalformedMimeTypeException e) { Log.e(TAG, "Wrong mime type!!!", e); } if (!mRegisteredMapReceiver) { registerReceiver(mMapReceiver, filter); registerReceiver(mMapReceiver, filterMessageSent); mRegisteredMapReceiver = true; } mAdapter = BluetoothAdapter.getDefaultAdapter(); mAppObserver = new BluetoothMapAppObserver(this, this); mSmsCapable = getResources().getBoolean(com.android.internal.R.bool.config_sms_capable); mEnabledAccounts = mAppObserver.getEnabledAccountItems(); createMasInstances(); // Uses mEnabledAccounts sendStartListenerMessage(-1); setBluetoothMapService(this); mServiceStarted = true; return true; } /** * Get the current instance of {@link BluetoothMapService} * * @return current instance of {@link BluetoothMapService} */ @VisibleForTesting public static synchronized BluetoothMapService getBluetoothMapService() { if (sBluetoothMapService == null) { Log.w(TAG, "getBluetoothMapService(): service is null"); return null; } if (!sBluetoothMapService.isAvailable()) { Log.w(TAG, "getBluetoothMapService(): service is not available"); return null; } return sBluetoothMapService; } private static synchronized void setBluetoothMapService(BluetoothMapService instance) { if (DEBUG) { Log.d(TAG, "setBluetoothMapService(): set to: " + instance); } sBluetoothMapService = instance; } /** * Call this to trigger an update of the MAS instance list. * No changes will be applied unless in disconnected state */ void updateMasInstances(int action) { mSessionStatusHandler.obtainMessage(UPDATE_MAS_INSTANCES, action, 0).sendToTarget(); } /** * Update the active MAS Instances according the difference between mEnabledDevices * and the current list of accounts. * Will only make changes if state is disconnected. * * How it works: * 1) Build two lists of accounts * newAccountList - all accounts from mAppObserver * newAccounts - accounts that have been enabled since mEnabledAccounts * was last updated. * mEnabledAccounts - The accounts which are left * 2) Stop and remove all MasInstances in mEnabledAccounts * 3) Add and start MAS instances for accounts on the new list. * Called at: * - Each change in accounts * - Each disconnect - before MasInstances restart. */ private void updateMasInstancesHandler() { if (DEBUG) { Log.d(TAG, "updateMasInstancesHandler() state = " + getState()); } if (getState() != BluetoothMap.STATE_DISCONNECTED) { mAccountChanged = true; return; } ArrayList newAccountList = mAppObserver.getEnabledAccountItems(); ArrayList newAccounts = new ArrayList<>(); for (BluetoothMapAccountItem account : newAccountList) { if (!mEnabledAccounts.remove(account)) { newAccounts.add(account); } } // Remove all disabled/removed accounts if (mEnabledAccounts.size() > 0) { for (BluetoothMapAccountItem account : mEnabledAccounts) { BluetoothMapMasInstance masInst = mMasInstanceMap.remove(account); if (VERBOSE) { Log.v(TAG, " Removing account: " + account + " masInst = " + masInst); } if (masInst != null) { masInst.shutdown(); mMasInstances.remove(masInst.getMasId()); } } } // Add any newly created accounts for (BluetoothMapAccountItem account : newAccounts) { if (VERBOSE) { Log.v(TAG, " Adding account: " + account); } int masId = getNextMasId(); BluetoothMapMasInstance newInst = new BluetoothMapMasInstance(this, this, account, masId, false); mMasInstances.append(masId, newInst); mMasInstanceMap.put(account, newInst); // Start the new instance if (mAdapter.isEnabled()) { newInst.startSocketListeners(); } } mEnabledAccounts = newAccountList; if (VERBOSE) { Log.v(TAG, " Enabled accounts:"); for (BluetoothMapAccountItem account : mEnabledAccounts) { Log.v(TAG, " " + account); } Log.v(TAG, " Active MAS instances:"); for (int i = 0, c = mMasInstances.size(); i < c; i++) { BluetoothMapMasInstance masInst = mMasInstances.valueAt(i); Log.v(TAG, " " + masInst); } } mAccountChanged = false; } /** * Return a free key greater than the largest key in use. * If the key 255 is in use, the first free masId will be returned. * @return a free MasId */ private int getNextMasId() { // Find the largest masId in use int largestMasId = 0; for (int i = 0, c = mMasInstances.size(); i < c; i++) { int masId = mMasInstances.keyAt(i); if (masId > largestMasId) { largestMasId = masId; } } if (largestMasId < 0xff) { return largestMasId + 1; } // If 0xff is already in use, wrap and choose the first free MasId. for (int i = 1; i <= 0xff; i++) { if (mMasInstances.get(i) == null) { return i; } } return 0xff; // This will never happen, as we only allow 10 e-mail accounts to be enabled } private void createMasInstances() { int masId = MAS_ID_SMS_MMS; if (mSmsCapable) { // Add the SMS/MMS instance BluetoothMapMasInstance smsMmsInst = new BluetoothMapMasInstance(this, this, null, masId, true); mMasInstances.append(masId, smsMmsInst); mMasInstanceMap.put(null, smsMmsInst); masId++; } // get list of accounts already set to be visible through MAP for (BluetoothMapAccountItem account : mEnabledAccounts) { BluetoothMapMasInstance newInst = new BluetoothMapMasInstance(this, this, account, masId, false); mMasInstances.append(masId, newInst); mMasInstanceMap.put(account, newInst); masId++; } } @Override protected boolean stop() { if (DEBUG) { Log.d(TAG, "stop()"); } if (!mServiceStarted) { if (DEBUG) { Log.d(TAG, "mServiceStarted is false - Ignoring"); } return true; } setBluetoothMapService(null); mServiceStarted = false; if (mRegisteredMapReceiver) { mRegisteredMapReceiver = false; unregisterReceiver(mMapReceiver); mAppObserver.shutdown(); } sendShutdownMessage(); return true; } /** * Called from each MAS instance when a connection is received. * @param remoteDevice The device connecting * @param masInst a reference to the calling MAS instance. * @return true if the connection was accepted, false otherwise */ public boolean onConnect(BluetoothDevice remoteDevice, BluetoothMapMasInstance masInst) { boolean sendIntent = false; boolean cancelConnection = false; // As this can be called from each MasInstance, we need to lock access to member variables synchronized (this) { if (sRemoteDevice == null) { sRemoteDevice = remoteDevice; sRemoteDeviceName = sRemoteDevice.getName(); // In case getRemoteName failed and return null if (TextUtils.isEmpty(sRemoteDeviceName)) { sRemoteDeviceName = getString(R.string.defaultname); } mPermission = sRemoteDevice.getMessageAccessPermission(); if (mPermission == BluetoothDevice.ACCESS_UNKNOWN) { sendIntent = true; mIsWaitingAuthorization = true; setUserTimeoutAlarm(); } else if (mPermission == BluetoothDevice.ACCESS_REJECTED) { cancelConnection = true; } else if (mPermission == BluetoothDevice.ACCESS_ALLOWED) { sRemoteDevice.sdpSearch(BluetoothMnsObexClient.BLUETOOTH_UUID_OBEX_MNS); mSdpSearchInitiated = true; } } else if (!sRemoteDevice.equals(remoteDevice)) { Log.w(TAG, "Unexpected connection from a second Remote Device received. name: " + ( (remoteDevice == null) ? "unknown" : remoteDevice.getName())); return false; } // Else second connection to same device, just continue } if (sendIntent) { // This will trigger Settings app's dialog. Intent intent = new Intent(BluetoothDevice.ACTION_CONNECTION_ACCESS_REQUEST); intent.setPackage(getString(R.string.pairing_ui_package)); intent.putExtra(BluetoothDevice.EXTRA_ACCESS_REQUEST_TYPE, BluetoothDevice.REQUEST_TYPE_MESSAGE_ACCESS); intent.putExtra(BluetoothDevice.EXTRA_DEVICE, sRemoteDevice); sendOrderedBroadcast(intent, BLUETOOTH_ADMIN_PERM); if (VERBOSE) { Log.v(TAG, "waiting for authorization for connection from: " + sRemoteDeviceName); } //Queue USER_TIMEOUT to disconnect MAP OBEX session. If user doesn't //accept or reject authorization request } else if (cancelConnection) { sendConnectCancelMessage(); } else if (mPermission == BluetoothDevice.ACCESS_ALLOWED) { // Signal to the service that we have a incoming connection. sendConnectMessage(masInst.getMasId()); MetricsLogger.logProfileConnectionEvent(BluetoothMetricsProto.ProfileId.MAP); } return true; } private void setUserTimeoutAlarm() { if (DEBUG) { Log.d(TAG, "SetUserTimeOutAlarm()"); } if (mAlarmManager == null) { mAlarmManager = (AlarmManager) this.getSystemService(Context.ALARM_SERVICE); } mRemoveTimeoutMsg = true; Intent timeoutIntent = new Intent(USER_CONFIRM_TIMEOUT_ACTION); PendingIntent pIntent = PendingIntent.getBroadcast(this, 0, timeoutIntent, 0); mAlarmManager.set(AlarmManager.RTC_WAKEUP, System.currentTimeMillis() + USER_CONFIRM_TIMEOUT_VALUE, pIntent); } private void cancelUserTimeoutAlarm() { if (DEBUG) { Log.d(TAG, "cancelUserTimeOutAlarm()"); } Intent timeoutIntent = new Intent(USER_CONFIRM_TIMEOUT_ACTION); PendingIntent pIntent = PendingIntent.getBroadcast(this, 0, timeoutIntent, 0); pIntent.cancel(); AlarmManager alarmManager = (AlarmManager) this.getSystemService(Context.ALARM_SERVICE); alarmManager.cancel(pIntent); mRemoveTimeoutMsg = false; } /** * Start the incoming connection listeners for a MAS ID * @param masId the MasID to start. Use -1 to start all listeners. */ void sendStartListenerMessage(int masId) { if (mSessionStatusHandler != null && !mSessionStatusHandler.hasMessages(START_LISTENER)) { Message msg = mSessionStatusHandler.obtainMessage(START_LISTENER, masId, 0); /* We add a small delay here to ensure the call returns true before this message is * handled. It seems wrong to add a delay, but the alternative is to build a lock * system to handle synchronization, which isn't nice either... */ mSessionStatusHandler.sendMessageDelayed(msg, 20); } else if (mSessionStatusHandler != null) { if (DEBUG) { Log.w(TAG, "mSessionStatusHandler START_LISTENER message already in Queue"); } } } private void sendConnectMessage(int masId) { if (mSessionStatusHandler != null) { Message msg = mSessionStatusHandler.obtainMessage(MSG_MAS_CONNECT, masId, 0); /* We add a small delay here to ensure onConnect returns true before this message is * handled. It seems wrong, but the alternative is to store a reference to the * connection in this message, which isn't nice either... */ mSessionStatusHandler.sendMessageDelayed(msg, 20); } // Can only be null during shutdown } private void sendConnectTimeoutMessage() { if (DEBUG) { Log.d(TAG, "sendConnectTimeoutMessage()"); } if (mSessionStatusHandler != null) { Message msg = mSessionStatusHandler.obtainMessage(USER_TIMEOUT); msg.sendToTarget(); } // Can only be null during shutdown } private void sendConnectCancelMessage() { if (mSessionStatusHandler != null) { Message msg = mSessionStatusHandler.obtainMessage(MSG_MAS_CONNECT_CANCEL); msg.sendToTarget(); } // Can only be null during shutdown } private void sendShutdownMessage() { // Pending messages are no longer valid. To speed up things, simply delete them. if (mRemoveTimeoutMsg) { Intent timeoutIntent = new Intent(USER_CONFIRM_TIMEOUT_ACTION); sendBroadcast(timeoutIntent, BLUETOOTH_PERM); mIsWaitingAuthorization = false; cancelUserTimeoutAlarm(); } if (mSessionStatusHandler == null) { Log.w(TAG, "mSessionStatusHandler is null"); return; } if (mSessionStatusHandler.hasMessages(SHUTDOWN)) { if (DEBUG) { Log.w(TAG, "mSessionStatusHandler shutdown message already in Queue"); } return; } mSessionStatusHandler.removeCallbacksAndMessages(null); // Request release of all resources Message msg = mSessionStatusHandler.obtainMessage(SHUTDOWN); if (!mSessionStatusHandler.sendMessage(msg)) { Log.w(TAG, "mSessionStatusHandler shutdown message could not be sent"); } } private MapBroadcastReceiver mMapReceiver = new MapBroadcastReceiver(); private class MapBroadcastReceiver extends BroadcastReceiver { @Override public void onReceive(Context context, Intent intent) { if (DEBUG) { Log.d(TAG, "onReceive"); } String action = intent.getAction(); if (DEBUG) { Log.d(TAG, "onReceive: " + action); } if (action.equals(BluetoothAdapter.ACTION_STATE_CHANGED)) { int state = intent.getIntExtra(BluetoothAdapter.EXTRA_STATE, BluetoothAdapter.ERROR); if (state == BluetoothAdapter.STATE_TURNING_OFF) { if (DEBUG) { Log.d(TAG, "STATE_TURNING_OFF"); } sendShutdownMessage(); } else if (state == BluetoothAdapter.STATE_ON) { if (DEBUG) { Log.d(TAG, "STATE_ON"); } // start ServerSocket listener threads sendStartListenerMessage(-1); } } else if (action.equals(USER_CONFIRM_TIMEOUT_ACTION)) { if (DEBUG) { Log.d(TAG, "USER_CONFIRM_TIMEOUT ACTION Received."); } sendConnectTimeoutMessage(); } else if (action.equals(BluetoothDevice.ACTION_CONNECTION_ACCESS_REPLY)) { int requestType = intent.getIntExtra(BluetoothDevice.EXTRA_ACCESS_REQUEST_TYPE, BluetoothDevice.REQUEST_TYPE_PHONEBOOK_ACCESS); if (DEBUG) { Log.d(TAG, "Received ACTION_CONNECTION_ACCESS_REPLY:" + requestType + "isWaitingAuthorization:" + mIsWaitingAuthorization); } if ((!mIsWaitingAuthorization) || (requestType != BluetoothDevice.REQUEST_TYPE_MESSAGE_ACCESS)) { return; } mIsWaitingAuthorization = false; if (mRemoveTimeoutMsg) { mSessionStatusHandler.removeMessages(USER_TIMEOUT); cancelUserTimeoutAlarm(); setState(BluetoothMap.STATE_DISCONNECTED); } if (intent.getIntExtra(BluetoothDevice.EXTRA_CONNECTION_ACCESS_RESULT, BluetoothDevice.CONNECTION_ACCESS_NO) == BluetoothDevice.CONNECTION_ACCESS_YES) { // Bluetooth connection accepted by user mPermission = BluetoothDevice.ACCESS_ALLOWED; if (intent.getBooleanExtra(BluetoothDevice.EXTRA_ALWAYS_ALLOWED, false)) { boolean result = sRemoteDevice.setMessageAccessPermission( BluetoothDevice.ACCESS_ALLOWED); if (DEBUG) { Log.d(TAG, "setMessageAccessPermission(ACCESS_ALLOWED) result=" + result); } } sRemoteDevice.sdpSearch(BluetoothMnsObexClient.BLUETOOTH_UUID_OBEX_MNS); mSdpSearchInitiated = true; } else { // Auth. declined by user, serverSession should not be running, but // call stop anyway to restart listener. mPermission = BluetoothDevice.ACCESS_REJECTED; if (intent.getBooleanExtra(BluetoothDevice.EXTRA_ALWAYS_ALLOWED, false)) { boolean result = sRemoteDevice.setMessageAccessPermission( BluetoothDevice.ACCESS_REJECTED); if (DEBUG) { Log.d(TAG, "setMessageAccessPermission(ACCESS_REJECTED) result=" + result); } } sendConnectCancelMessage(); } } else if (action.equals(BluetoothDevice.ACTION_SDP_RECORD)) { if (DEBUG) { Log.d(TAG, "Received ACTION_SDP_RECORD."); } ParcelUuid uuid = intent.getParcelableExtra(BluetoothDevice.EXTRA_UUID); if (VERBOSE) { Log.v(TAG, "Received UUID: " + uuid.toString()); Log.v(TAG, "expected UUID: " + BluetoothMnsObexClient.BLUETOOTH_UUID_OBEX_MNS.toString()); } if (uuid.equals(BluetoothMnsObexClient.BLUETOOTH_UUID_OBEX_MNS)) { mMnsRecord = intent.getParcelableExtra(BluetoothDevice.EXTRA_SDP_RECORD); int status = intent.getIntExtra(BluetoothDevice.EXTRA_SDP_SEARCH_STATUS, -1); if (VERBOSE) { Log.v(TAG, " -> MNS Record:" + mMnsRecord); Log.v(TAG, " -> status: " + status); } if (mBluetoothMnsObexClient != null && !mSdpSearchInitiated) { mBluetoothMnsObexClient.setMnsRecord(mMnsRecord); } if (status != -1 && mMnsRecord != null) { for (int i = 0, c = mMasInstances.size(); i < c; i++) { mMasInstances.valueAt(i) .setRemoteFeatureMask(mMnsRecord.getSupportedFeatures()); } } if (mSdpSearchInitiated) { mSdpSearchInitiated = false; // done searching sendConnectMessage(-1); // -1 indicates all MAS instances } } } else if (action.equals(ACTION_SHOW_MAPS_SETTINGS)) { if (VERBOSE) { Log.v(TAG, "Received ACTION_SHOW_MAPS_SETTINGS."); } Intent in = new Intent(context, BluetoothMapSettings.class); in.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TOP); context.startActivity(in); } else if (action.equals(BluetoothMapContentObserver.ACTION_MESSAGE_SENT)) { int result = getResultCode(); boolean handled = false; if (mSmsCapable && mMasInstances != null) { BluetoothMapMasInstance masInst = mMasInstances.get(MAS_ID_SMS_MMS); if (masInst != null) { intent.putExtra(BluetoothMapContentObserver.EXTRA_MESSAGE_SENT_RESULT, result); handled = masInst.handleSmsSendIntent(context, intent); } } if (!handled) { // Move the SMS to the correct folder. BluetoothMapContentObserver.actionMessageSentDisconnected(context, intent, result); } } else if (action.equals(BluetoothDevice.ACTION_ACL_DISCONNECTED) && mIsWaitingAuthorization) { BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE); if (sRemoteDevice == null || device == null) { Log.e(TAG, "Unexpected error!"); return; } if (VERBOSE) { Log.v(TAG, "ACL disconnected for " + device); } if (sRemoteDevice.equals(device)) { // Send any pending timeout now, since ACL got disconnected mSessionStatusHandler.removeMessages(USER_TIMEOUT); mSessionStatusHandler.obtainMessage(USER_TIMEOUT).sendToTarget(); } } } } //Binder object: Must be static class or memory leak may occur /** * This class implements the IBluetoothMap interface - or actually it validates the * preconditions for calling the actual functionality in the MapService, and calls it. */ private static class BluetoothMapBinder extends IBluetoothMap.Stub implements IProfileServiceBinder { private BluetoothMapService mService; private BluetoothMapService getService() { if (!Utils.checkCaller()) { Log.w(TAG, "MAP call not allowed for non-active user"); return null; } if (mService != null && mService.isAvailable()) { mService.enforceCallingOrSelfPermission(BLUETOOTH_PERM, "Need BLUETOOTH permission"); return mService; } return null; } BluetoothMapBinder(BluetoothMapService service) { if (VERBOSE) { Log.v(TAG, "BluetoothMapBinder()"); } mService = service; } @Override public synchronized void cleanup() { mService = null; } @Override public int getState() { if (VERBOSE) { Log.v(TAG, "getState()"); } BluetoothMapService service = getService(); if (service == null) { return BluetoothMap.STATE_DISCONNECTED; } return getService().getState(); } @Override public BluetoothDevice getClient() { if (VERBOSE) { Log.v(TAG, "getClient()"); } BluetoothMapService service = getService(); if (service == null) { return null; } BluetoothDevice client = BluetoothMapService.getRemoteDevice(); if (VERBOSE) { Log.v(TAG, "getClient() - returning " + client); } return client; } @Override public boolean isConnected(BluetoothDevice device) { if (VERBOSE) { Log.v(TAG, "isConnected()"); } BluetoothMapService service = getService(); return service != null && service.getState() == BluetoothMap.STATE_CONNECTED && BluetoothMapService.getRemoteDevice().equals(device); } @Override public boolean connect(BluetoothDevice device) { if (VERBOSE) { Log.v(TAG, "connect()"); } BluetoothMapService service = getService(); if (service == null) { return false; } return false; } @Override public boolean disconnect(BluetoothDevice device) { if (VERBOSE) { Log.v(TAG, "disconnect()"); } BluetoothMapService service = getService(); if (service == null) { return false; } service.disconnect(device); return true; } @Override public List getConnectedDevices() { if (VERBOSE) { Log.v(TAG, "getConnectedDevices()"); } BluetoothMapService service = getService(); if (service == null) { return new ArrayList<>(0); } return service.getConnectedDevices(); } @Override public List getDevicesMatchingConnectionStates(int[] states) { if (VERBOSE) { Log.v(TAG, "getDevicesMatchingConnectionStates()"); } BluetoothMapService service = getService(); if (service == null) { return new ArrayList<>(0); } return service.getDevicesMatchingConnectionStates(states); } @Override public int getConnectionState(BluetoothDevice device) { if (VERBOSE) { Log.v(TAG, "getConnectionState()"); } BluetoothMapService service = getService(); if (service == null) { return BluetoothProfile.STATE_DISCONNECTED; } return service.getConnectionState(device); } @Override public boolean setPriority(BluetoothDevice device, int priority) { BluetoothMapService service = getService(); if (service == null) { return false; } return service.setPriority(device, priority); } @Override public int getPriority(BluetoothDevice device) { BluetoothMapService service = getService(); if (service == null) { return BluetoothProfile.PRIORITY_UNDEFINED; } return service.getPriority(device); } } @Override public void dump(StringBuilder sb) { super.dump(sb); println(sb, "mRemoteDevice: " + sRemoteDevice); println(sb, "sRemoteDeviceName: " + sRemoteDeviceName); println(sb, "mState: " + mState); println(sb, "mAppObserver: " + mAppObserver); println(sb, "mIsWaitingAuthorization: " + mIsWaitingAuthorization); println(sb, "mRemoveTimeoutMsg: " + mRemoveTimeoutMsg); println(sb, "mPermission: " + mPermission); println(sb, "mAccountChanged: " + mAccountChanged); println(sb, "mBluetoothMnsObexClient: " + mBluetoothMnsObexClient); println(sb, "mMasInstanceMap:"); for (BluetoothMapAccountItem key : mMasInstanceMap.keySet()) { println(sb, " " + key + " : " + mMasInstanceMap.get(key)); } println(sb, "mEnabledAccounts:"); for (BluetoothMapAccountItem account : mEnabledAccounts) { println(sb, " " + account); } } }