element-ios/Riot/Modules/Secrets/Setup/RecoveryKey/SecretsSetupRecoveryKeyView...

94 lines
3.5 KiB
Swift

// File created from ScreenTemplate
// $ createScreen.sh SecretsSetupRecoveryKey SecretsSetupRecoveryKey
/*
Copyright 2020 New Vector Ltd
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
import Foundation
final class SecretsSetupRecoveryKeyViewModel: SecretsSetupRecoveryKeyViewModelType {
// MARK: - Properties
// MARK: Private
private let recoveryService: MXRecoveryService
private let passphrase: String?
private let passphraseOnly: Bool
private let allowOverwrite: Bool
private let dehydrationService: DehydrationService?
// MARK: Public
weak var viewDelegate: SecretsSetupRecoveryKeyViewModelViewDelegate?
weak var coordinatorDelegate: SecretsSetupRecoveryKeyViewModelCoordinatorDelegate?
// MARK: - Setup
init(recoveryService: MXRecoveryService, passphrase: String?, passphraseOnly: Bool, allowOverwrite: Bool = false, dehydrationService: DehydrationService?) {
self.recoveryService = recoveryService
self.passphrase = passphrase
self.passphraseOnly = passphraseOnly
self.allowOverwrite = allowOverwrite
self.dehydrationService = dehydrationService
}
// MARK: - Public
func process(viewAction: SecretsSetupRecoveryKeyViewAction) {
switch viewAction {
case .loadData:
self.update(viewState: .loaded(self.passphraseOnly))
self.createSecureKey()
case .done:
self.coordinatorDelegate?.secretsSetupRecoveryKeyViewModelDidComplete(self)
case .errorAlertOk:
self.coordinatorDelegate?.secretsSetupRecoveryKeyViewModelDidFailed(self)
case .cancel:
self.coordinatorDelegate?.secretsSetupRecoveryKeyViewModelDidCancel(self)
}
}
// MARK: - Private
private func createSecureKey() {
self.update(viewState: .loading)
if allowOverwrite && self.recoveryService.hasRecovery() {
MXLog.debug("[SecretsSetupRecoveryKeyViewModel] createSecureKey: Overwrite existing secure backup")
self.recoveryService.deleteRecovery(withDeleteServicesBackups: true) {
self.createSecureKey()
} failure: { error in
self.update(viewState: .error(error))
}
return
}
self.recoveryService.createRecovery(forSecrets: nil, withPassphrase: self.passphrase, createServicesBackups: true, success: { secretStorageKeyCreationInfo in
self.update(viewState: .recoveryCreated(secretStorageKeyCreationInfo.recoveryKey))
Task {
await self.dehydrationService?.runDeviceDehydrationFlow(privateKeyData: secretStorageKeyCreationInfo.privateKey)
}
}, failure: { error in
self.update(viewState: .error(error))
})
}
private func update(viewState: SecretsSetupRecoveryKeyViewState) {
self.viewDelegate?.secretsSetupRecoveryKeyViewModel(self, didUpdateViewState: viewState)
}
}