1 /*
2  * Copyright (C) 2023 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.keyguard.shared.model
18 
19 import com.android.internal.widget.LockPatternUtils
20 
21 /** Authentication flags corresponding to a user. */
22 data class AuthenticationFlags(val userId: Int, val flag: Int) {
23     val isInUserLockdown =
24         containsFlag(
25             flag,
26             LockPatternUtils.StrongAuthTracker.STRONG_AUTH_REQUIRED_AFTER_USER_LOCKDOWN
27         )
28 
29     val isPrimaryAuthRequiredAfterReboot =
30         containsFlag(flag, LockPatternUtils.StrongAuthTracker.STRONG_AUTH_REQUIRED_AFTER_BOOT)
31 
32     val isPrimaryAuthRequiredAfterTimeout =
33         containsFlag(flag, LockPatternUtils.StrongAuthTracker.STRONG_AUTH_REQUIRED_AFTER_TIMEOUT)
34 
35     val isPrimaryAuthRequiredAfterDpmLockdown =
36         containsFlag(
37             flag,
38             LockPatternUtils.StrongAuthTracker.STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW
39         )
40 
41     val someAuthRequiredAfterUserRequest =
42         containsFlag(flag, LockPatternUtils.StrongAuthTracker.SOME_AUTH_REQUIRED_AFTER_USER_REQUEST)
43 
44     val someAuthRequiredAfterTrustAgentExpired =
45         containsFlag(
46             flag,
47             LockPatternUtils.StrongAuthTracker.SOME_AUTH_REQUIRED_AFTER_TRUSTAGENT_EXPIRED
48         )
49 
50     val primaryAuthRequiredForUnattendedUpdate =
51         containsFlag(
52             flag,
53             LockPatternUtils.StrongAuthTracker.STRONG_AUTH_REQUIRED_FOR_UNATTENDED_UPDATE
54         )
55 
56     /** Either Class 3 biometrics or primary auth can be used to unlock the device. */
57     val strongerAuthRequiredAfterNonStrongBiometricsTimeout =
58         containsFlag(
59             flag,
60             LockPatternUtils.StrongAuthTracker
61                 .STRONG_AUTH_REQUIRED_AFTER_NON_STRONG_BIOMETRICS_TIMEOUT
62         )
63 }
64 
65 private fun containsFlag(haystack: Int, needle: Int): Boolean {
66     return haystack and needle != 0
67 }
68