108 lines
3.5 KiB
Swift
108 lines
3.5 KiB
Swift
/*
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Copyright 2020 New Vector Ltd
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import Foundation
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final class SecretsRecoveryWithKeyViewModel: SecretsRecoveryWithKeyViewModelType {
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// MARK: - Properties
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// MARK: Private
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private let recoveryService: MXRecoveryService
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private let dehydrationService: DehydrationService?
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// MARK: Public
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let recoveryGoal: SecretsRecoveryGoal
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var recoveryKey: String?
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var isFormValid: Bool {
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return self.recoveryKey?.isEmpty == false
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}
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weak var viewDelegate: SecretsRecoveryWithKeyViewModelViewDelegate?
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weak var coordinatorDelegate: SecretsRecoveryWithKeyViewModelCoordinatorDelegate?
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// MARK: - Setup
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init(recoveryService: MXRecoveryService, recoveryGoal: SecretsRecoveryGoal, dehydrationService: DehydrationService?) {
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self.recoveryService = recoveryService
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self.dehydrationService = dehydrationService
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self.recoveryGoal = recoveryGoal
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}
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// MARK: - Public
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func process(viewAction: SecretsRecoveryWithKeyViewAction) {
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switch viewAction {
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case .recover:
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self.recover()
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case .resetSecrets:
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self.coordinatorDelegate?.secretsRecoveryWithKeyViewModelWantsToResetSecrets(self)
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case .cancel:
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self.coordinatorDelegate?.secretsRecoveryWithKeyViewModelDidCancel(self)
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}
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}
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// MARK: - Private
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private func recover() {
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guard let recoveryKey = self.recoveryKey else {
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return
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}
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self.update(viewState: .loading)
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do {
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let secretIds: [String]?
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if case SecretsRecoveryGoal.keyBackup = self.recoveryGoal {
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secretIds = [MXSecretId.keyBackup.takeUnretainedValue() as String]
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} else {
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secretIds = nil
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}
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let privateKey = try self.recoveryService.privateKey(fromRecoveryKey: recoveryKey)
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self.recoveryService.recoverSecrets(secretIds, withPrivateKey: privateKey, recoverServices: true, success: { [weak self] _ in
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guard let self = self else {
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return
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}
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self.update(viewState: .loaded)
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self.coordinatorDelegate?.secretsRecoveryWithKeyViewModelDidRecover(self)
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Task {
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await self.dehydrationService?.runDeviceDehydrationFlow(privateKeyData: privateKey)
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}
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}, failure: { [weak self] error in
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guard let self = self else {
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return
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}
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self.update(viewState: .error(error))
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})
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} catch {
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self.update(viewState: .error(error))
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}
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}
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private func update(viewState: SecretsRecoveryWithKeyViewState) {
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self.viewDelegate?.secretsRecoveryWithKeyViewModel(self, didUpdateViewState: viewState)
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}
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}
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