65 lines
2.0 KiB
Swift
65 lines
2.0 KiB
Swift
//
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// LocalAuthenticationUtils.swift
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// SimpleX (iOS)
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//
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// Created by Efim Poberezkin on 26.05.2022.
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// Copyright © 2022 SimpleX Chat. All rights reserved.
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//
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import SwiftUI
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import LocalAuthentication
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enum LAResult {
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case success
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case failed(authError: String?)
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case unavailable(authError: String?)
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}
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func authenticate(reason: String, completed: @escaping (LAResult) -> Void) {
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let laContext = LAContext()
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var authAvailabilityError: NSError?
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if laContext.canEvaluatePolicy(.deviceOwnerAuthentication, error: &authAvailabilityError) {
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laContext.evaluatePolicy(.deviceOwnerAuthentication, localizedReason: reason) { success, authError in
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DispatchQueue.main.async {
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if success {
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completed(LAResult.success)
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} else {
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logger.error("authentication error: \(authError.debugDescription)")
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completed(LAResult.failed(authError: authError?.localizedDescription))
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}
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}
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}
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} else {
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logger.error("authentication availability error: \(authAvailabilityError.debugDescription)")
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completed(LAResult.unavailable(authError: authAvailabilityError?.localizedDescription))
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}
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}
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func laTurnedOnAlert() -> Alert {
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mkAlert(
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title: "SimpleX Lock turned on",
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message: "You will be required to authenticate when you start or resume the app after 30 seconds in background."
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)
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}
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func laFailedAlert() -> Alert {
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mkAlert(
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title: "Authentication failed",
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message: "You could not be verified; please try again."
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)
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}
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func laUnavailableInstructionAlert() -> Alert {
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mkAlert(
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title: "Authentication unavailable",
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message: "Device authentication is not enabled. You can turn on SimpleX Lock via Settings, once you enable device authentication."
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)
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}
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func laUnavailableTurningOffAlert() -> Alert {
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mkAlert(
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title: "Authentication unavailable",
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message: "Device authentication is disabled. Turning off SimpleX Lock."
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)
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}
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