70 lines
2.1 KiB
Swift
70 lines
2.1 KiB
Swift
//
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// Copyright 2024 New Vector Ltd.
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// Copyright 2020 Vector Creations Ltd
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//
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// SPDX-License-Identifier: AGPL-3.0-only
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// Please see LICENSE in the repository root for full details.
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//
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import Foundation
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@objcMembers
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class LocalAuthenticationService: NSObject {
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private let pinCodePreferences: PinCodePreferences
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init(pinCodePreferences: PinCodePreferences) {
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self.pinCodePreferences = pinCodePreferences
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super.init()
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setup()
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}
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private var appLastActiveTime: TimeInterval?
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private var systemUptime: TimeInterval {
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var uptime = timespec()
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if 0 != clock_gettime(CLOCK_MONOTONIC_RAW, &uptime) {
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fatalError("Could not execute clock_gettime, errno: \(errno)")
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}
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return TimeInterval(uptime.tv_sec)
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}
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private func setup() {
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NotificationCenter.default.addObserver(self, selector: #selector(applicationWillResignActive), name: UIApplication.willResignActiveNotification, object: nil)
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}
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var shouldShowPinCode: Bool {
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if !pinCodePreferences.isPinSet && !pinCodePreferences.isBiometricsSet {
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return false
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}
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if MXKAccountManager.shared()?.activeAccounts.count == 0 {
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return false
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}
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guard let appLastActiveTime = appLastActiveTime else {
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return true
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}
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return (systemUptime - appLastActiveTime) >= pinCodePreferences.graceTimeInSeconds
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}
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var isProtectionSet: Bool {
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return pinCodePreferences.isPinSet || pinCodePreferences.isBiometricsSet
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}
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func applicationWillResignActive() {
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appLastActiveTime = systemUptime
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}
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func shouldLogOutUser() -> Bool {
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if BuildSettings.logOutUserWhenPINFailuresExceeded && pinCodePreferences.numberOfPinFailures >= pinCodePreferences.maxAllowedNumberOfPinFailures {
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return true
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}
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if BuildSettings.logOutUserWhenBiometricsFailuresExceeded && pinCodePreferences.numberOfBiometricsFailures >= pinCodePreferences.maxAllowedNumberOfBiometricsFailures {
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return true
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}
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return false
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}
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}
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