91 lines
2.8 KiB
Swift
91 lines
2.8 KiB
Swift
/*
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Copyright 2019-2024 New Vector Ltd.
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SPDX-License-Identifier: AGPL-3.0-only
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Please see LICENSE in the repository root for full details.
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*/
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import Foundation
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final class KeyBackupRecoverFromPassphraseViewModel: KeyBackupRecoverFromPassphraseViewModelType {
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// MARK: - Properties
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// MARK: Private
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private let keyBackup: MXKeyBackup
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private var currentHTTPOperation: MXHTTPOperation?
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private let keyBackupVersion: MXKeyBackupVersion
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// MARK: Public
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var passphrase: String?
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var isFormValid: Bool {
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return self.passphrase?.isEmpty == false
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}
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weak var viewDelegate: KeyBackupRecoverFromPassphraseViewModelViewDelegate?
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weak var coordinatorDelegate: KeyBackupRecoverFromPassphraseViewModelCoordinatorDelegate?
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// MARK: - Setup
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init(keyBackup: MXKeyBackup, keyBackupVersion: MXKeyBackupVersion) {
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self.keyBackup = keyBackup
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self.keyBackupVersion = keyBackupVersion
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}
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deinit {
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self.currentHTTPOperation?.cancel()
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}
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// MARK: - Public
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func process(viewAction: KeyBackupRecoverFromPassphraseViewAction) {
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switch viewAction {
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case .recover:
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self.recoverWithPassphrase()
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case .cancel:
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self.coordinatorDelegate?.keyBackupRecoverFromPassphraseViewModelDidCancel(self)
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case .unknownPassphrase:
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self.coordinatorDelegate?.keyBackupRecoverFromPassphraseViewModelDoNotKnowPassphrase(self)
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}
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}
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// MARK: - Private
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private func recoverWithPassphrase() {
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guard let passphrase = self.passphrase else {
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return
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}
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self.update(viewState: .loading)
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self.currentHTTPOperation = self.keyBackup.restore(self.keyBackupVersion, withPassword: passphrase, room: nil, session: nil, success: { [weak self] (_, _) in
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guard let sself = self else {
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return
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}
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// Trust on decrypt
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sself.currentHTTPOperation = sself.keyBackup.trust(sself.keyBackupVersion, trust: true, success: { [weak sself] () in
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guard let ssself = sself else {
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return
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}
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ssself.update(viewState: .loaded)
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ssself.coordinatorDelegate?.keyBackupRecoverFromPassphraseViewModelDidRecover(ssself)
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}, failure: { [weak sself] error in
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sself?.update(viewState: .error(error))
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})
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}, failure: { [weak self] error in
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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: KeyBackupRecoverFromPassphraseViewState) {
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self.viewDelegate?.keyBackupRecoverFromPassphraseViewModel(self, didUpdateViewState: viewState)
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}
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}
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