1 /* 2 * Copyright (C) 2016 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.bluetooth.pbapclient; 18 19 import android.os.Handler; 20 import android.util.Log; 21 22 import javax.obex.Authenticator; 23 import javax.obex.PasswordAuthentication; 24 25 /* ObexAuthentication is a required component for PBAP in order to support backwards compatibility 26 * with PSE devices prior to PBAP 1.2. With profiles prior to 1.2 the actual initiation of 27 * authentication is implementation defined. 28 */ 29 30 31 class BluetoothPbapObexAuthenticator implements Authenticator { 32 33 private final static String TAG = "BluetoothPbapObexAuthenticator"; 34 35 //Default session key for legacy devices is 0000 36 private String mSessionKey = "0000"; 37 38 private final Handler mCallback; 39 BluetoothPbapObexAuthenticator(Handler callback)40 public BluetoothPbapObexAuthenticator(Handler callback) { 41 mCallback = callback; 42 } 43 44 @Override onAuthenticationChallenge(String description, boolean isUserIdRequired, boolean isFullAccess)45 public PasswordAuthentication onAuthenticationChallenge(String description, 46 boolean isUserIdRequired, boolean isFullAccess) { 47 PasswordAuthentication pa = null; 48 Log.v(TAG, "onAuthenticationChallenge: starting"); 49 50 if (mSessionKey != null && mSessionKey.length() != 0) { 51 Log.v(TAG, "onAuthenticationChallenge: mSessionKey=" + mSessionKey); 52 pa = new PasswordAuthentication(null, mSessionKey.getBytes()); 53 } else { 54 Log.v(TAG, "onAuthenticationChallenge: mSessionKey is empty, timeout/cancel occured"); 55 } 56 57 return pa; 58 } 59 60 @Override onAuthenticationResponse(byte[] userName)61 public byte[] onAuthenticationResponse(byte[] userName) { 62 Log.v(TAG, "onAuthenticationResponse: " + userName); 63 /* required only in case PCE challenges PSE which we don't do now */ 64 return null; 65 } 66 67 } 68