1 /* 2 * Copyright (C) 2017 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.locksettings; 18 19 import android.os.IProgressListener; 20 import android.os.RemoteException; 21 import android.util.ArrayMap; 22 23 24 import junit.framework.AssertionFailedError; 25 26 import java.util.ArrayList; 27 import java.util.Arrays; 28 29 public class FakeStorageManager { 30 31 private ArrayMap<Integer, ArrayList<byte[]>> mAuth = new ArrayMap<>(); 32 private boolean mIgnoreBadUnlock; 33 addUserKeyAuth(int userId, int serialNumber, byte[] secret)34 public void addUserKeyAuth(int userId, int serialNumber, byte[] secret) { 35 getUserAuth(userId).add(secret); 36 } 37 clearUserKeyAuth(int userId, int serialNumber, byte[] secret)38 public void clearUserKeyAuth(int userId, int serialNumber, byte[] secret) { 39 ArrayList<byte[]> auths = getUserAuth(userId); 40 if (secret == null) { 41 return; 42 } 43 auths.remove(secret); 44 auths.add(null); 45 } 46 fixateNewestUserKeyAuth(int userId)47 public void fixateNewestUserKeyAuth(int userId) { 48 ArrayList<byte[]> auths = mAuth.get(userId); 49 byte[] latest = auths.get(auths.size() - 1); 50 auths.clear(); 51 auths.add(latest); 52 } 53 getUserAuth(int userId)54 private ArrayList<byte[]> getUserAuth(int userId) { 55 if (!mAuth.containsKey(userId)) { 56 ArrayList<byte[]> auths = new ArrayList<>(); 57 auths.add(null); 58 mAuth.put(userId, auths); 59 } 60 return mAuth.get(userId); 61 } 62 getUserUnlockToken(int userId)63 public byte[] getUserUnlockToken(int userId) { 64 ArrayList<byte[]> auths = getUserAuth(userId); 65 if (auths.size() != 1) { 66 throw new AssertionFailedError("More than one secret exists"); 67 } 68 return auths.get(0); 69 } 70 unlockUser(int userId, byte[] secret, IProgressListener listener)71 public void unlockUser(int userId, byte[] secret, IProgressListener listener) 72 throws RemoteException { 73 listener.onStarted(userId, null); 74 listener.onFinished(userId, null); 75 ArrayList<byte[]> auths = getUserAuth(userId); 76 if (auths.size() > 1) { 77 throw new AssertionFailedError("More than one secret exists"); 78 } 79 byte[] auth = auths.get(0); 80 if (!Arrays.equals(secret, auth)) { 81 if (!mIgnoreBadUnlock) { 82 throw new AssertionFailedError("Invalid secret to unlock user " + userId); 83 } 84 } 85 } 86 setIgnoreBadUnlock(boolean ignore)87 public void setIgnoreBadUnlock(boolean ignore) { 88 mIgnoreBadUnlock = ignore; 89 } 90 } 91