1 /* 2 * Copyright (c) 2008-2009, Motorola, Inc. 3 * 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * - Redistributions of source code must retain the above copyright notice, 10 * this list of conditions and the following disclaimer. 11 * 12 * - Redistributions in binary form must reproduce the above copyright notice, 13 * this list of conditions and the following disclaimer in the documentation 14 * and/or other materials provided with the distribution. 15 * 16 * - Neither the name of the Motorola, Inc. nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 package com.android.bluetooth.pbap; 34 35 import android.util.Log; 36 37 import javax.obex.Authenticator; 38 import javax.obex.PasswordAuthentication; 39 40 /** 41 * BluetoothPbapAuthenticator is a used by BluetoothObexServer for obex 42 * authentication procedure. 43 */ 44 public class BluetoothPbapAuthenticator implements Authenticator { 45 private static final String TAG = "PbapAuthenticator"; 46 47 private boolean mChallenged; 48 private boolean mAuthCancelled; 49 private String mSessionKey; 50 private PbapStateMachine mPbapStateMachine; 51 BluetoothPbapAuthenticator(final PbapStateMachine stateMachine)52 BluetoothPbapAuthenticator(final PbapStateMachine stateMachine) { 53 mPbapStateMachine = stateMachine; 54 mChallenged = false; 55 mAuthCancelled = false; 56 mSessionKey = null; 57 } 58 setChallenged(final boolean bool)59 final synchronized void setChallenged(final boolean bool) { 60 mChallenged = bool; 61 notify(); 62 } 63 setCancelled(final boolean bool)64 final synchronized void setCancelled(final boolean bool) { 65 mAuthCancelled = bool; 66 notify(); 67 } 68 setSessionKey(final String string)69 final synchronized void setSessionKey(final String string) { 70 mSessionKey = string; 71 } 72 waitUserConfirmation()73 private void waitUserConfirmation() { 74 mPbapStateMachine.sendMessage(PbapStateMachine.CREATE_NOTIFICATION); 75 mPbapStateMachine.sendMessageDelayed(PbapStateMachine.REMOVE_NOTIFICATION, 76 BluetoothPbapService.USER_CONFIRM_TIMEOUT_VALUE); 77 synchronized (this) { 78 while (!mChallenged && !mAuthCancelled) { 79 try { 80 wait(); 81 } catch (InterruptedException e) { 82 Log.e(TAG, "Interrupted while waiting on isChallenged or AuthCancelled"); 83 } 84 } 85 } 86 } 87 88 @Override onAuthenticationChallenge(final String description, final boolean isUserIdRequired, final boolean isFullAccess)89 public PasswordAuthentication onAuthenticationChallenge(final String description, 90 final boolean isUserIdRequired, final boolean isFullAccess) { 91 waitUserConfirmation(); 92 if (mSessionKey.trim().length() != 0) { 93 return new PasswordAuthentication(null, mSessionKey.getBytes()); 94 } 95 return null; 96 } 97 98 // TODO: Reserved for future use only, in case PSE challenge PCE 99 @Override onAuthenticationResponse(final byte[] userName)100 public byte[] onAuthenticationResponse(final byte[] userName) { 101 byte[] b = null; 102 return b; 103 } 104 } 105