Jorim Jaggi | ecc798e | 2014-05-26 18:14:37 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2014 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.systemui.statusbar.phone; |
| 18 | |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame^] | 19 | import android.hardware.biometrics.BiometricSourceType; |
Jorim Jaggi | ecc798e | 2014-05-26 18:14:37 +0200 | [diff] [blame] | 20 | import android.content.Context; |
Nick Desaulniers | 1d39675 | 2016-07-25 15:05:33 -0700 | [diff] [blame] | 21 | import android.os.Trace; |
Jorim Jaggi | ecc798e | 2014-05-26 18:14:37 +0200 | [diff] [blame] | 22 | |
| 23 | import com.android.internal.widget.LockPatternUtils; |
| 24 | import com.android.keyguard.KeyguardUpdateMonitor; |
| 25 | import com.android.keyguard.KeyguardUpdateMonitorCallback; |
| 26 | |
| 27 | import java.util.ArrayList; |
| 28 | |
| 29 | /** |
| 30 | * Caches whether the current unlock method is insecure, taking trust into account. This information |
| 31 | * might be a little bit out of date and should not be used for actual security decisions; it should |
| 32 | * be only used for visual indications. |
| 33 | */ |
| 34 | public class UnlockMethodCache { |
| 35 | |
| 36 | private static UnlockMethodCache sInstance; |
| 37 | |
| 38 | private final LockPatternUtils mLockPatternUtils; |
| 39 | private final KeyguardUpdateMonitor mKeyguardUpdateMonitor; |
| 40 | private final ArrayList<OnUnlockMethodChangedListener> mListeners = new ArrayList<>(); |
Christoph Studer | 2231c6e | 2014-12-19 12:40:13 +0100 | [diff] [blame] | 41 | /** Whether the user configured a secure unlock method (PIN, password, etc.) */ |
| 42 | private boolean mSecure; |
| 43 | /** Whether the unlock method is currently insecure (insecure method or trusted environment) */ |
Selim Cinek | e8bae62 | 2015-07-15 13:24:06 -0700 | [diff] [blame] | 44 | private boolean mCanSkipBouncer; |
Adrian Roos | 7861c66 | 2014-07-25 15:37:28 +0200 | [diff] [blame] | 45 | private boolean mTrustManaged; |
Adrian Roos | 4a41017 | 2014-08-20 17:41:44 +0200 | [diff] [blame] | 46 | private boolean mFaceUnlockRunning; |
Selim Cinek | e8bae62 | 2015-07-15 13:24:06 -0700 | [diff] [blame] | 47 | private boolean mTrusted; |
Jorim Jaggi | ecc798e | 2014-05-26 18:14:37 +0200 | [diff] [blame] | 48 | |
| 49 | private UnlockMethodCache(Context ctx) { |
| 50 | mLockPatternUtils = new LockPatternUtils(ctx); |
| 51 | mKeyguardUpdateMonitor = KeyguardUpdateMonitor.getInstance(ctx); |
| 52 | KeyguardUpdateMonitor.getInstance(ctx).registerCallback(mCallback); |
Christoph Studer | 2231c6e | 2014-12-19 12:40:13 +0100 | [diff] [blame] | 53 | update(true /* updateAlways */); |
Jorim Jaggi | ecc798e | 2014-05-26 18:14:37 +0200 | [diff] [blame] | 54 | } |
| 55 | |
| 56 | public static UnlockMethodCache getInstance(Context context) { |
| 57 | if (sInstance == null) { |
| 58 | sInstance = new UnlockMethodCache(context); |
| 59 | } |
| 60 | return sInstance; |
| 61 | } |
| 62 | |
| 63 | /** |
Christoph Studer | 2231c6e | 2014-12-19 12:40:13 +0100 | [diff] [blame] | 64 | * @return whether the user configured a secure unlock method like PIN, password, etc. |
Jorim Jaggi | ecc798e | 2014-05-26 18:14:37 +0200 | [diff] [blame] | 65 | */ |
Christoph Studer | 2231c6e | 2014-12-19 12:40:13 +0100 | [diff] [blame] | 66 | public boolean isMethodSecure() { |
| 67 | return mSecure; |
| 68 | } |
| 69 | |
Selim Cinek | e8bae62 | 2015-07-15 13:24:06 -0700 | [diff] [blame] | 70 | public boolean isTrusted() { |
| 71 | return mTrusted; |
| 72 | } |
| 73 | |
Christoph Studer | 2231c6e | 2014-12-19 12:40:13 +0100 | [diff] [blame] | 74 | /** |
Selim Cinek | e8bae62 | 2015-07-15 13:24:06 -0700 | [diff] [blame] | 75 | * @return whether the lockscreen is currently insecure, and the bouncer won't be shown |
Christoph Studer | 2231c6e | 2014-12-19 12:40:13 +0100 | [diff] [blame] | 76 | */ |
Selim Cinek | e8bae62 | 2015-07-15 13:24:06 -0700 | [diff] [blame] | 77 | public boolean canSkipBouncer() { |
| 78 | return mCanSkipBouncer; |
Jorim Jaggi | ecc798e | 2014-05-26 18:14:37 +0200 | [diff] [blame] | 79 | } |
| 80 | |
| 81 | public void addListener(OnUnlockMethodChangedListener listener) { |
| 82 | mListeners.add(listener); |
| 83 | } |
| 84 | |
| 85 | public void removeListener(OnUnlockMethodChangedListener listener) { |
| 86 | mListeners.remove(listener); |
| 87 | } |
| 88 | |
Christoph Studer | 2231c6e | 2014-12-19 12:40:13 +0100 | [diff] [blame] | 89 | private void update(boolean updateAlways) { |
Nick Desaulniers | 1d39675 | 2016-07-25 15:05:33 -0700 | [diff] [blame] | 90 | Trace.beginSection("UnlockMethodCache#update"); |
Adrian Roos | d6aa6cb | 2015-04-16 19:31:29 -0700 | [diff] [blame] | 91 | int user = KeyguardUpdateMonitor.getCurrentUser(); |
Adrian Roos | 8150d2a | 2015-04-16 17:11:20 -0700 | [diff] [blame] | 92 | boolean secure = mLockPatternUtils.isSecure(user); |
Selim Cinek | e8bae62 | 2015-07-15 13:24:06 -0700 | [diff] [blame] | 93 | boolean canSkipBouncer = !secure || mKeyguardUpdateMonitor.getUserCanSkipBouncer(user); |
Adrian Roos | 7861c66 | 2014-07-25 15:37:28 +0200 | [diff] [blame] | 94 | boolean trustManaged = mKeyguardUpdateMonitor.getUserTrustIsManaged(user); |
Selim Cinek | e8bae62 | 2015-07-15 13:24:06 -0700 | [diff] [blame] | 95 | boolean trusted = mKeyguardUpdateMonitor.getUserHasTrust(user); |
Adrian Roos | 4a41017 | 2014-08-20 17:41:44 +0200 | [diff] [blame] | 96 | boolean faceUnlockRunning = mKeyguardUpdateMonitor.isFaceUnlockRunning(user) |
| 97 | && trustManaged; |
Selim Cinek | e8bae62 | 2015-07-15 13:24:06 -0700 | [diff] [blame] | 98 | boolean changed = secure != mSecure || canSkipBouncer != mCanSkipBouncer || |
Christoph Studer | 2231c6e | 2014-12-19 12:40:13 +0100 | [diff] [blame] | 99 | trustManaged != mTrustManaged || faceUnlockRunning != mFaceUnlockRunning; |
Jorim Jaggi | ecc798e | 2014-05-26 18:14:37 +0200 | [diff] [blame] | 100 | if (changed || updateAlways) { |
Christoph Studer | 2231c6e | 2014-12-19 12:40:13 +0100 | [diff] [blame] | 101 | mSecure = secure; |
Selim Cinek | e8bae62 | 2015-07-15 13:24:06 -0700 | [diff] [blame] | 102 | mCanSkipBouncer = canSkipBouncer; |
| 103 | mTrusted = trusted; |
Adrian Roos | 7861c66 | 2014-07-25 15:37:28 +0200 | [diff] [blame] | 104 | mTrustManaged = trustManaged; |
Adrian Roos | 4a41017 | 2014-08-20 17:41:44 +0200 | [diff] [blame] | 105 | mFaceUnlockRunning = faceUnlockRunning; |
Christoph Studer | 2231c6e | 2014-12-19 12:40:13 +0100 | [diff] [blame] | 106 | notifyListeners(); |
Jorim Jaggi | ecc798e | 2014-05-26 18:14:37 +0200 | [diff] [blame] | 107 | } |
Nick Desaulniers | 1d39675 | 2016-07-25 15:05:33 -0700 | [diff] [blame] | 108 | Trace.endSection(); |
Jorim Jaggi | ecc798e | 2014-05-26 18:14:37 +0200 | [diff] [blame] | 109 | } |
| 110 | |
Christoph Studer | 2231c6e | 2014-12-19 12:40:13 +0100 | [diff] [blame] | 111 | private void notifyListeners() { |
Jorim Jaggi | ecc798e | 2014-05-26 18:14:37 +0200 | [diff] [blame] | 112 | for (OnUnlockMethodChangedListener listener : mListeners) { |
Christoph Studer | 2231c6e | 2014-12-19 12:40:13 +0100 | [diff] [blame] | 113 | listener.onUnlockMethodStateChanged(); |
Jorim Jaggi | ecc798e | 2014-05-26 18:14:37 +0200 | [diff] [blame] | 114 | } |
| 115 | } |
| 116 | |
| 117 | private final KeyguardUpdateMonitorCallback mCallback = new KeyguardUpdateMonitorCallback() { |
| 118 | @Override |
| 119 | public void onUserSwitchComplete(int userId) { |
Christoph Studer | 2231c6e | 2014-12-19 12:40:13 +0100 | [diff] [blame] | 120 | update(false /* updateAlways */); |
Jorim Jaggi | ecc798e | 2014-05-26 18:14:37 +0200 | [diff] [blame] | 121 | } |
| 122 | |
| 123 | @Override |
| 124 | public void onTrustChanged(int userId) { |
Christoph Studer | 2231c6e | 2014-12-19 12:40:13 +0100 | [diff] [blame] | 125 | update(false /* updateAlways */); |
Jorim Jaggi | ecc798e | 2014-05-26 18:14:37 +0200 | [diff] [blame] | 126 | } |
| 127 | |
| 128 | @Override |
Adrian Roos | 7861c66 | 2014-07-25 15:37:28 +0200 | [diff] [blame] | 129 | public void onTrustManagedChanged(int userId) { |
Christoph Studer | 2231c6e | 2014-12-19 12:40:13 +0100 | [diff] [blame] | 130 | update(false /* updateAlways */); |
Adrian Roos | 7861c66 | 2014-07-25 15:37:28 +0200 | [diff] [blame] | 131 | } |
| 132 | |
| 133 | @Override |
Jorim Jaggi | 0d210f6 | 2015-07-10 14:24:44 -0700 | [diff] [blame] | 134 | public void onStartedWakingUp() { |
Christoph Studer | 2231c6e | 2014-12-19 12:40:13 +0100 | [diff] [blame] | 135 | update(false /* updateAlways */); |
Jorim Jaggi | ecc798e | 2014-05-26 18:14:37 +0200 | [diff] [blame] | 136 | } |
Jim Miller | f41fc96 | 2014-06-18 16:33:51 -0700 | [diff] [blame] | 137 | |
Adrian Roos | 7861c66 | 2014-07-25 15:37:28 +0200 | [diff] [blame] | 138 | @Override |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame^] | 139 | public void onBiometricAuthenticated(int userId, BiometricSourceType biometricSourceType) { |
| 140 | Trace.beginSection("KeyguardUpdateMonitorCallback#onBiometricAuthenticated"); |
| 141 | if (!mKeyguardUpdateMonitor.isUnlockingWithBiometricAllowed()) { |
Nick Desaulniers | 1d39675 | 2016-07-25 15:05:33 -0700 | [diff] [blame] | 142 | Trace.endSection(); |
Selim Cinek | 1fcafc4 | 2015-07-20 14:39:25 -0700 | [diff] [blame] | 143 | return; |
| 144 | } |
Christoph Studer | 2231c6e | 2014-12-19 12:40:13 +0100 | [diff] [blame] | 145 | update(false /* updateAlways */); |
Nick Desaulniers | 1d39675 | 2016-07-25 15:05:33 -0700 | [diff] [blame] | 146 | Trace.endSection(); |
Jim Miller | f41fc96 | 2014-06-18 16:33:51 -0700 | [diff] [blame] | 147 | } |
Adrian Roos | 4a41017 | 2014-08-20 17:41:44 +0200 | [diff] [blame] | 148 | |
| 149 | @Override |
| 150 | public void onFaceUnlockStateChanged(boolean running, int userId) { |
Christoph Studer | 2231c6e | 2014-12-19 12:40:13 +0100 | [diff] [blame] | 151 | update(false /* updateAlways */); |
Adrian Roos | 4a41017 | 2014-08-20 17:41:44 +0200 | [diff] [blame] | 152 | } |
Jorim Jaggi | 25b4d4b | 2015-08-11 15:54:06 -0700 | [diff] [blame] | 153 | |
| 154 | @Override |
Adrian Roos | 1de8bcb | 2015-08-19 16:52:52 -0700 | [diff] [blame] | 155 | public void onStrongAuthStateChanged(int userId) { |
Jorim Jaggi | 25b4d4b | 2015-08-11 15:54:06 -0700 | [diff] [blame] | 156 | update(false /* updateAlways */); |
| 157 | } |
Kevin Chyn | 08ae664 | 2017-08-30 19:02:43 -0700 | [diff] [blame] | 158 | |
| 159 | @Override |
| 160 | public void onScreenTurnedOff() { |
| 161 | update(false /* updateAlways */); |
| 162 | } |
Kevin Chyn | 94f8035 | 2017-09-08 17:39:01 -0700 | [diff] [blame] | 163 | |
| 164 | @Override |
| 165 | public void onKeyguardVisibilityChanged(boolean showing) { |
| 166 | update(false /* updateAlways */); |
| 167 | } |
Jorim Jaggi | ecc798e | 2014-05-26 18:14:37 +0200 | [diff] [blame] | 168 | }; |
| 169 | |
Adrian Roos | 7861c66 | 2014-07-25 15:37:28 +0200 | [diff] [blame] | 170 | public boolean isTrustManaged() { |
| 171 | return mTrustManaged; |
| 172 | } |
| 173 | |
Adrian Roos | 4a41017 | 2014-08-20 17:41:44 +0200 | [diff] [blame] | 174 | public boolean isFaceUnlockRunning() { |
| 175 | return mFaceUnlockRunning; |
| 176 | } |
| 177 | |
Jorim Jaggi | ecc798e | 2014-05-26 18:14:37 +0200 | [diff] [blame] | 178 | public static interface OnUnlockMethodChangedListener { |
Christoph Studer | 2231c6e | 2014-12-19 12:40:13 +0100 | [diff] [blame] | 179 | void onUnlockMethodStateChanged(); |
Jorim Jaggi | ecc798e | 2014-05-26 18:14:37 +0200 | [diff] [blame] | 180 | } |
| 181 | } |