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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
import LocalAuthentication
class AuthenticationManager {
enum AuthenticationState {
case loggedin, loggedout, canceled
}
@Published private(set) var authenticationState = AuthenticationState.loggedout
private(set) var biometricType = LABiometryType.none
private(set) var canEvaluatePolicy = false
private(set) var context = LAContext()
var userEnabledBiometrics: Bool { Settings.getToggle(SettingsToggle.biometricLogin) }
init() {
canEvaluatePolicy = context.canEvaluatePolicy(.deviceOwnerAuthentication, error: nil)
biometricType = context.biometryType
}
@MainActor
func authenticateWithBiometrics() async {
context = LAContext()
canEvaluatePolicy = context.canEvaluatePolicy(.deviceOwnerAuthentication, error: nil)
guard userEnabledBiometrics, canEvaluatePolicy else {
authenticationState = .loggedin
return
}
context.localizedReason = String(format: UIConstants.strings.authenticationReason, AppInfo.productName)
// TODO: Check what is the best name for cancellation
// context.localizedCancelTitle = UIConstants.strings.newSessionFromBiometricFailure
do {
let success = try await context.evaluatePolicy(
.deviceOwnerAuthentication,
localizedReason: context.localizedReason
)
authenticationState = success ? .loggedin : .loggedout
} catch {
authenticationState = .canceled
}
}
func logout() {
// Biometrics is not enrolled in system settings/user did not enable biometrics in app Settings, ignore user logout
guard canEvaluatePolicy, userEnabledBiometrics else { return }
authenticationState = .loggedout
}
}