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Logout automatically when pin/biometrics provided wrong too many times

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This commit is contained in:
ismailgulek
2020-09-29 16:57:46 +03:00
parent 3750afcab7
commit 10664938c8
7 changed files with 77 additions and 13 deletions
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28
Riot/Modules/SetPinCode/SetupBiometrics/SetupBiometricsViewModel.swift
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@@ -28,6 +28,7 @@ final class SetupBiometricsViewModel: SetupBiometricsViewModelType {
private let session: MXSession?
private let viewMode: SetPinCoordinatorViewMode
private let pinCodePreferences: PinCodePreferences
private let localAuthenticationService: LocalAuthenticationService
// MARK: Public
@@ -40,6 +41,7 @@ final class SetupBiometricsViewModel: SetupBiometricsViewModelType {
self.session = session
self.viewMode = viewMode
self.pinCodePreferences = pinCodePreferences
self.localAuthenticationService = LocalAuthenticationService(pinCodePreferences: pinCodePreferences)
}
deinit {
@@ -74,26 +76,47 @@ final class SetupBiometricsViewModel: SetupBiometricsViewModelType {
// MARK: - Private
private func enableDisableBiometrics() {
LocalAuthenticationService.isShowingBiometrics = true
LAContext().evaluatePolicy(.deviceOwnerAuthentication, localizedReason: VectorL10n.biometricsUsageReason) { (success, error) in
if success {
// complete after a little delay
DispatchQueue.main.asyncAfter(deadline: .now() + 0.1) {
self.pinCodePreferences.canUseBiometricsToUnlock = nil
self.pinCodePreferences.resetCounters()
self.coordinatorDelegate?.setupBiometricsViewModelDidComplete(self)
LocalAuthenticationService.isShowingBiometrics = false
}
} else {
LocalAuthenticationService.isShowingBiometrics = false
}
}
}
private func unlockWithBiometrics() {
LocalAuthenticationService.isShowingBiometrics = true
LAContext().evaluatePolicy(.deviceOwnerAuthentication, localizedReason: VectorL10n.biometricsUsageReason) { (success, error) in
if success {
// complete after a little delay
DispatchQueue.main.asyncAfter(deadline: .now() + 0.1) {
self.pinCodePreferences.canUseBiometricsToUnlock = nil
self.pinCodePreferences.resetCounters()
self.coordinatorDelegate?.setupBiometricsViewModelDidComplete(self)
LocalAuthenticationService.isShowingBiometrics = false
}
} else {
if let error = error as NSError?, error.code == LAError.Code.userCancel.rawValue || error.code == LAError.Code.userFallback.rawValue {
self.userCancelledUnlockWithBiometrics()
if let error = error as NSError? {
self.pinCodePreferences.numberOfBiometricsFailures += 1
if self.localAuthenticationService.shouldLogOutUser() {
// biometrics can't be used until further unlock with pin or a new log in
self.pinCodePreferences.canUseBiometricsToUnlock = false
DispatchQueue.main.async {
self.coordinatorDelegate?.setupBiometricsViewModelDidCompleteWithReset(self)
LocalAuthenticationService.isShowingBiometrics = false
}
} else if error.code == LAError.Code.userCancel.rawValue || error.code == LAError.Code.userFallback.rawValue {
self.userCancelledUnlockWithBiometrics()
LocalAuthenticationService.isShowingBiometrics = false
}
}
}
}
@@ -101,6 +124,7 @@ final class SetupBiometricsViewModel: SetupBiometricsViewModelType {
private func userCancelledUnlockWithBiometrics() {
if pinCodePreferences.isPinSet {
self.pinCodePreferences.canUseBiometricsToUnlock = false
// cascade this cancellation, coordinator should take care of it
DispatchQueue.main.asyncAfter(deadline: .now() + 0.1) {
self.coordinatorDelegate?.setupBiometricsViewModelDidCancel(self)