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 | |
Selim Cinek | 6f0a62a | 2019-04-09 18:40:12 -0700 | [diff] [blame] | 19 | import android.content.BroadcastReceiver; |
Jorim Jaggi | ecc798e | 2014-05-26 18:14:37 +0200 | [diff] [blame] | 20 | import android.content.Context; |
Selim Cinek | 6f0a62a | 2019-04-09 18:40:12 -0700 | [diff] [blame] | 21 | import android.content.Intent; |
| 22 | import android.content.IntentFilter; |
Gus Prevas | ab33679 | 2018-11-14 13:52:20 -0500 | [diff] [blame] | 23 | import android.hardware.biometrics.BiometricSourceType; |
Selim Cinek | 6f0a62a | 2019-04-09 18:40:12 -0700 | [diff] [blame] | 24 | import android.os.Build; |
Nick Desaulniers | 1d39675 | 2016-07-25 15:05:33 -0700 | [diff] [blame] | 25 | import android.os.Trace; |
Jorim Jaggi | ecc798e | 2014-05-26 18:14:37 +0200 | [diff] [blame] | 26 | |
| 27 | import com.android.internal.widget.LockPatternUtils; |
| 28 | import com.android.keyguard.KeyguardUpdateMonitor; |
| 29 | import com.android.keyguard.KeyguardUpdateMonitorCallback; |
| 30 | |
| 31 | import java.util.ArrayList; |
| 32 | |
| 33 | /** |
| 34 | * Caches whether the current unlock method is insecure, taking trust into account. This information |
| 35 | * might be a little bit out of date and should not be used for actual security decisions; it should |
| 36 | * be only used for visual indications. |
| 37 | */ |
| 38 | public class UnlockMethodCache { |
| 39 | |
| 40 | private static UnlockMethodCache sInstance; |
Selim Cinek | 6f0a62a | 2019-04-09 18:40:12 -0700 | [diff] [blame] | 41 | private static final boolean DEBUG_AUTH_WITH_ADB = false; |
| 42 | private static final String AUTH_BROADCAST_KEY = "debug_trigger_auth"; |
Jorim Jaggi | ecc798e | 2014-05-26 18:14:37 +0200 | [diff] [blame] | 43 | |
| 44 | private final LockPatternUtils mLockPatternUtils; |
| 45 | private final KeyguardUpdateMonitor mKeyguardUpdateMonitor; |
| 46 | private final ArrayList<OnUnlockMethodChangedListener> mListeners = new ArrayList<>(); |
Christoph Studer | 2231c6e | 2014-12-19 12:40:13 +0100 | [diff] [blame] | 47 | /** Whether the user configured a secure unlock method (PIN, password, etc.) */ |
| 48 | private boolean mSecure; |
| 49 | /** Whether the unlock method is currently insecure (insecure method or trusted environment) */ |
Selim Cinek | e8bae62 | 2015-07-15 13:24:06 -0700 | [diff] [blame] | 50 | private boolean mCanSkipBouncer; |
Adrian Roos | 7861c66 | 2014-07-25 15:37:28 +0200 | [diff] [blame] | 51 | private boolean mTrustManaged; |
Selim Cinek | e8bae62 | 2015-07-15 13:24:06 -0700 | [diff] [blame] | 52 | private boolean mTrusted; |
Selim Cinek | 6f0a62a | 2019-04-09 18:40:12 -0700 | [diff] [blame] | 53 | private boolean mDebugUnlocked = false; |
Lucas Dupin | 206fe56 | 2019-05-31 14:36:42 -0700 | [diff] [blame] | 54 | private boolean mIsUnlockingWithFacePossible; |
Jorim Jaggi | ecc798e | 2014-05-26 18:14:37 +0200 | [diff] [blame] | 55 | |
| 56 | private UnlockMethodCache(Context ctx) { |
| 57 | mLockPatternUtils = new LockPatternUtils(ctx); |
| 58 | mKeyguardUpdateMonitor = KeyguardUpdateMonitor.getInstance(ctx); |
| 59 | KeyguardUpdateMonitor.getInstance(ctx).registerCallback(mCallback); |
Christoph Studer | 2231c6e | 2014-12-19 12:40:13 +0100 | [diff] [blame] | 60 | update(true /* updateAlways */); |
Selim Cinek | 6f0a62a | 2019-04-09 18:40:12 -0700 | [diff] [blame] | 61 | if (Build.IS_DEBUGGABLE && DEBUG_AUTH_WITH_ADB) { |
| 62 | // Watch for interesting updates |
| 63 | final IntentFilter filter = new IntentFilter(); |
| 64 | filter.addAction(AUTH_BROADCAST_KEY); |
| 65 | ctx.registerReceiver(new BroadcastReceiver() { |
| 66 | @Override |
| 67 | public void onReceive(Context context, Intent intent) { |
| 68 | if (DEBUG_AUTH_WITH_ADB && AUTH_BROADCAST_KEY.equals(intent.getAction())) { |
| 69 | mDebugUnlocked = !mDebugUnlocked; |
| 70 | update(true /* updateAlways */); |
| 71 | } |
| 72 | } |
| 73 | }, filter, null, null); |
| 74 | } |
Jorim Jaggi | ecc798e | 2014-05-26 18:14:37 +0200 | [diff] [blame] | 75 | } |
| 76 | |
| 77 | public static UnlockMethodCache getInstance(Context context) { |
| 78 | if (sInstance == null) { |
| 79 | sInstance = new UnlockMethodCache(context); |
| 80 | } |
| 81 | return sInstance; |
| 82 | } |
| 83 | |
| 84 | /** |
Christoph Studer | 2231c6e | 2014-12-19 12:40:13 +0100 | [diff] [blame] | 85 | * @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] | 86 | */ |
Christoph Studer | 2231c6e | 2014-12-19 12:40:13 +0100 | [diff] [blame] | 87 | public boolean isMethodSecure() { |
| 88 | return mSecure; |
| 89 | } |
| 90 | |
Selim Cinek | e8bae62 | 2015-07-15 13:24:06 -0700 | [diff] [blame] | 91 | public boolean isTrusted() { |
| 92 | return mTrusted; |
| 93 | } |
| 94 | |
Christoph Studer | 2231c6e | 2014-12-19 12:40:13 +0100 | [diff] [blame] | 95 | /** |
Selim Cinek | e8bae62 | 2015-07-15 13:24:06 -0700 | [diff] [blame] | 96 | * @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] | 97 | */ |
Selim Cinek | e8bae62 | 2015-07-15 13:24:06 -0700 | [diff] [blame] | 98 | public boolean canSkipBouncer() { |
| 99 | return mCanSkipBouncer; |
Jorim Jaggi | ecc798e | 2014-05-26 18:14:37 +0200 | [diff] [blame] | 100 | } |
| 101 | |
| 102 | public void addListener(OnUnlockMethodChangedListener listener) { |
| 103 | mListeners.add(listener); |
| 104 | } |
| 105 | |
| 106 | public void removeListener(OnUnlockMethodChangedListener listener) { |
| 107 | mListeners.remove(listener); |
| 108 | } |
| 109 | |
Lucas Dupin | 206fe56 | 2019-05-31 14:36:42 -0700 | [diff] [blame] | 110 | public boolean isUnlockingWithFacePossible() { |
| 111 | return mIsUnlockingWithFacePossible; |
| 112 | } |
| 113 | |
Christoph Studer | 2231c6e | 2014-12-19 12:40:13 +0100 | [diff] [blame] | 114 | private void update(boolean updateAlways) { |
Nick Desaulniers | 1d39675 | 2016-07-25 15:05:33 -0700 | [diff] [blame] | 115 | Trace.beginSection("UnlockMethodCache#update"); |
Adrian Roos | d6aa6cb | 2015-04-16 19:31:29 -0700 | [diff] [blame] | 116 | int user = KeyguardUpdateMonitor.getCurrentUser(); |
Adrian Roos | 8150d2a | 2015-04-16 17:11:20 -0700 | [diff] [blame] | 117 | boolean secure = mLockPatternUtils.isSecure(user); |
Selim Cinek | 6f0a62a | 2019-04-09 18:40:12 -0700 | [diff] [blame] | 118 | boolean canSkipBouncer = !secure || mKeyguardUpdateMonitor.getUserCanSkipBouncer(user) |
| 119 | || (Build.IS_DEBUGGABLE && DEBUG_AUTH_WITH_ADB && mDebugUnlocked); |
Adrian Roos | 7861c66 | 2014-07-25 15:37:28 +0200 | [diff] [blame] | 120 | boolean trustManaged = mKeyguardUpdateMonitor.getUserTrustIsManaged(user); |
Selim Cinek | e8bae62 | 2015-07-15 13:24:06 -0700 | [diff] [blame] | 121 | boolean trusted = mKeyguardUpdateMonitor.getUserHasTrust(user); |
Lucas Dupin | 206fe56 | 2019-05-31 14:36:42 -0700 | [diff] [blame] | 122 | boolean hasEnrolledFaces = mKeyguardUpdateMonitor.isUnlockWithFacePossible(user); |
Selim Cinek | e8bae62 | 2015-07-15 13:24:06 -0700 | [diff] [blame] | 123 | boolean changed = secure != mSecure || canSkipBouncer != mCanSkipBouncer || |
Lucas Dupin | 206fe56 | 2019-05-31 14:36:42 -0700 | [diff] [blame] | 124 | trustManaged != mTrustManaged || mIsUnlockingWithFacePossible != hasEnrolledFaces; |
Jorim Jaggi | ecc798e | 2014-05-26 18:14:37 +0200 | [diff] [blame] | 125 | if (changed || updateAlways) { |
Christoph Studer | 2231c6e | 2014-12-19 12:40:13 +0100 | [diff] [blame] | 126 | mSecure = secure; |
Selim Cinek | e8bae62 | 2015-07-15 13:24:06 -0700 | [diff] [blame] | 127 | mCanSkipBouncer = canSkipBouncer; |
| 128 | mTrusted = trusted; |
Adrian Roos | 7861c66 | 2014-07-25 15:37:28 +0200 | [diff] [blame] | 129 | mTrustManaged = trustManaged; |
Lucas Dupin | 206fe56 | 2019-05-31 14:36:42 -0700 | [diff] [blame] | 130 | mIsUnlockingWithFacePossible = hasEnrolledFaces; |
Christoph Studer | 2231c6e | 2014-12-19 12:40:13 +0100 | [diff] [blame] | 131 | notifyListeners(); |
Jorim Jaggi | ecc798e | 2014-05-26 18:14:37 +0200 | [diff] [blame] | 132 | } |
Nick Desaulniers | 1d39675 | 2016-07-25 15:05:33 -0700 | [diff] [blame] | 133 | Trace.endSection(); |
Jorim Jaggi | ecc798e | 2014-05-26 18:14:37 +0200 | [diff] [blame] | 134 | } |
| 135 | |
Christoph Studer | 2231c6e | 2014-12-19 12:40:13 +0100 | [diff] [blame] | 136 | private void notifyListeners() { |
Jorim Jaggi | ecc798e | 2014-05-26 18:14:37 +0200 | [diff] [blame] | 137 | for (OnUnlockMethodChangedListener listener : mListeners) { |
Christoph Studer | 2231c6e | 2014-12-19 12:40:13 +0100 | [diff] [blame] | 138 | listener.onUnlockMethodStateChanged(); |
Jorim Jaggi | ecc798e | 2014-05-26 18:14:37 +0200 | [diff] [blame] | 139 | } |
| 140 | } |
| 141 | |
| 142 | private final KeyguardUpdateMonitorCallback mCallback = new KeyguardUpdateMonitorCallback() { |
| 143 | @Override |
| 144 | public void onUserSwitchComplete(int userId) { |
Christoph Studer | 2231c6e | 2014-12-19 12:40:13 +0100 | [diff] [blame] | 145 | update(false /* updateAlways */); |
Jorim Jaggi | ecc798e | 2014-05-26 18:14:37 +0200 | [diff] [blame] | 146 | } |
| 147 | |
| 148 | @Override |
| 149 | public void onTrustChanged(int userId) { |
Christoph Studer | 2231c6e | 2014-12-19 12:40:13 +0100 | [diff] [blame] | 150 | update(false /* updateAlways */); |
Jorim Jaggi | ecc798e | 2014-05-26 18:14:37 +0200 | [diff] [blame] | 151 | } |
| 152 | |
| 153 | @Override |
Adrian Roos | 7861c66 | 2014-07-25 15:37:28 +0200 | [diff] [blame] | 154 | public void onTrustManagedChanged(int userId) { |
Christoph Studer | 2231c6e | 2014-12-19 12:40:13 +0100 | [diff] [blame] | 155 | update(false /* updateAlways */); |
Adrian Roos | 7861c66 | 2014-07-25 15:37:28 +0200 | [diff] [blame] | 156 | } |
| 157 | |
| 158 | @Override |
Jorim Jaggi | 0d210f6 | 2015-07-10 14:24:44 -0700 | [diff] [blame] | 159 | public void onStartedWakingUp() { |
Christoph Studer | 2231c6e | 2014-12-19 12:40:13 +0100 | [diff] [blame] | 160 | update(false /* updateAlways */); |
Jorim Jaggi | ecc798e | 2014-05-26 18:14:37 +0200 | [diff] [blame] | 161 | } |
Jim Miller | f41fc96 | 2014-06-18 16:33:51 -0700 | [diff] [blame] | 162 | |
Adrian Roos | 7861c66 | 2014-07-25 15:37:28 +0200 | [diff] [blame] | 163 | @Override |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 164 | public void onBiometricAuthenticated(int userId, BiometricSourceType biometricSourceType) { |
| 165 | Trace.beginSection("KeyguardUpdateMonitorCallback#onBiometricAuthenticated"); |
| 166 | if (!mKeyguardUpdateMonitor.isUnlockingWithBiometricAllowed()) { |
Nick Desaulniers | 1d39675 | 2016-07-25 15:05:33 -0700 | [diff] [blame] | 167 | Trace.endSection(); |
Selim Cinek | 1fcafc4 | 2015-07-20 14:39:25 -0700 | [diff] [blame] | 168 | return; |
| 169 | } |
Christoph Studer | 2231c6e | 2014-12-19 12:40:13 +0100 | [diff] [blame] | 170 | update(false /* updateAlways */); |
Nick Desaulniers | 1d39675 | 2016-07-25 15:05:33 -0700 | [diff] [blame] | 171 | Trace.endSection(); |
Jim Miller | f41fc96 | 2014-06-18 16:33:51 -0700 | [diff] [blame] | 172 | } |
Adrian Roos | 4a41017 | 2014-08-20 17:41:44 +0200 | [diff] [blame] | 173 | |
| 174 | @Override |
| 175 | public void onFaceUnlockStateChanged(boolean running, int userId) { |
Christoph Studer | 2231c6e | 2014-12-19 12:40:13 +0100 | [diff] [blame] | 176 | update(false /* updateAlways */); |
Adrian Roos | 4a41017 | 2014-08-20 17:41:44 +0200 | [diff] [blame] | 177 | } |
Jorim Jaggi | 25b4d4b | 2015-08-11 15:54:06 -0700 | [diff] [blame] | 178 | |
| 179 | @Override |
Adrian Roos | 1de8bcb | 2015-08-19 16:52:52 -0700 | [diff] [blame] | 180 | public void onStrongAuthStateChanged(int userId) { |
Jorim Jaggi | 25b4d4b | 2015-08-11 15:54:06 -0700 | [diff] [blame] | 181 | update(false /* updateAlways */); |
| 182 | } |
Kevin Chyn | 08ae664 | 2017-08-30 19:02:43 -0700 | [diff] [blame] | 183 | |
| 184 | @Override |
| 185 | public void onScreenTurnedOff() { |
| 186 | update(false /* updateAlways */); |
| 187 | } |
Kevin Chyn | 94f8035 | 2017-09-08 17:39:01 -0700 | [diff] [blame] | 188 | |
| 189 | @Override |
| 190 | public void onKeyguardVisibilityChanged(boolean showing) { |
| 191 | update(false /* updateAlways */); |
| 192 | } |
Lucas Dupin | ad2577e | 2019-06-25 19:52:26 -0700 | [diff] [blame] | 193 | |
| 194 | @Override |
| 195 | public void onBiometricsCleared() { |
| 196 | update(false /* alwaysUpdate */); |
| 197 | } |
Jorim Jaggi | ecc798e | 2014-05-26 18:14:37 +0200 | [diff] [blame] | 198 | }; |
| 199 | |
Adrian Roos | 7861c66 | 2014-07-25 15:37:28 +0200 | [diff] [blame] | 200 | public boolean isTrustManaged() { |
| 201 | return mTrustManaged; |
| 202 | } |
| 203 | |
Jorim Jaggi | ecc798e | 2014-05-26 18:14:37 +0200 | [diff] [blame] | 204 | public static interface OnUnlockMethodChangedListener { |
Christoph Studer | 2231c6e | 2014-12-19 12:40:13 +0100 | [diff] [blame] | 205 | void onUnlockMethodStateChanged(); |
Jorim Jaggi | ecc798e | 2014-05-26 18:14:37 +0200 | [diff] [blame] | 206 | } |
| 207 | } |