133 lines
5.0 KiB
Swift
133 lines
5.0 KiB
Swift
// File created from ScreenTemplate
|
|
// $ createScreen.sh DeviceVerification/Start DeviceVerificationStart
|
|
/*
|
|
Copyright 2019 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 DeviceVerificationStartViewModel: DeviceVerificationStartViewModelType {
|
|
|
|
// MARK: - Properties
|
|
|
|
// MARK: Private
|
|
|
|
private let session: MXSession
|
|
private let verificationManager: MXKeyVerificationManager
|
|
private let otherUser: MXUser
|
|
private let otherDevice: MXDeviceInfo
|
|
|
|
private var request: MXKeyVerificationRequest?
|
|
|
|
// MARK: Public
|
|
|
|
weak var viewDelegate: DeviceVerificationStartViewModelViewDelegate?
|
|
weak var coordinatorDelegate: DeviceVerificationStartViewModelCoordinatorDelegate?
|
|
|
|
// MARK: - Setup
|
|
|
|
init(session: MXSession, otherUser: MXUser, otherDevice: MXDeviceInfo) {
|
|
self.session = session
|
|
self.verificationManager = session.crypto.keyVerificationManager
|
|
self.otherUser = otherUser
|
|
self.otherDevice = otherDevice
|
|
}
|
|
|
|
// MARK: - Public
|
|
|
|
func process(viewAction: DeviceVerificationStartViewAction) {
|
|
switch viewAction {
|
|
case .beginVerifying:
|
|
self.beginVerifying()
|
|
case .verifyUsingLegacy:
|
|
self.cancelRequest()
|
|
self.update(viewState: .verifyUsingLegacy(self.session, self.otherDevice))
|
|
case .verifiedUsingLegacy:
|
|
self.coordinatorDelegate?.deviceVerificationStartViewModelDidUseLegacyVerification(self)
|
|
case .cancel:
|
|
self.cancelRequest()
|
|
self.coordinatorDelegate?.deviceVerificationStartViewModelDidCancel(self)
|
|
}
|
|
}
|
|
|
|
// MARK: - Private
|
|
|
|
private func beginVerifying() {
|
|
self.update(viewState: .loading)
|
|
|
|
self.verificationManager.requestVerificationByToDevice(withUserId: otherUser.userId, deviceIds: [otherDevice.deviceId], methods: [MXKeyVerificationMethodSAS], success: { [weak self] request in
|
|
guard let self = self else {
|
|
return
|
|
}
|
|
|
|
self.request = request
|
|
|
|
self.update(viewState: .loaded)
|
|
self.registerKeyVerificationRequestDidChangeNotification(for: request)
|
|
}, failure: {[weak self] error in
|
|
self?.update(viewState: .error(error))
|
|
})
|
|
}
|
|
|
|
private func cancelRequest() {
|
|
request?.cancel(with: MXTransactionCancelCode.user(), success: nil)
|
|
}
|
|
|
|
private func update(viewState: DeviceVerificationStartViewState) {
|
|
self.viewDelegate?.deviceVerificationStartViewModel(self, didUpdateViewState: viewState)
|
|
}
|
|
|
|
|
|
// MARK: - MXKeyVerificationRequestDidChange
|
|
|
|
private func registerKeyVerificationRequestDidChangeNotification(for request: MXKeyVerificationRequest) {
|
|
NotificationCenter.default.addObserver(self, selector: #selector(requestDidStateChange(notification:)), name: .MXKeyVerificationRequestDidChange, object: request)
|
|
}
|
|
|
|
private func unregisterKeyVerificationRequestDidChangeNotification() {
|
|
NotificationCenter.default.removeObserver(self, name: .MXKeyVerificationRequestDidChange, object: nil)
|
|
}
|
|
|
|
@objc private func requestDidStateChange(notification: Notification) {
|
|
guard let request = notification.object as? MXKeyVerificationRequest, request.requestId == self.request?.requestId else {
|
|
return
|
|
}
|
|
|
|
switch request.state {
|
|
case MXKeyVerificationRequestStateAccepted, MXKeyVerificationRequestStateReady:
|
|
self.unregisterKeyVerificationRequestDidChangeNotification()
|
|
self.coordinatorDelegate?.deviceVerificationStartViewModel(self, otherDidAcceptRequest: request)
|
|
|
|
case MXKeyVerificationRequestStateCancelled:
|
|
guard let reason = request.reasonCancelCode else {
|
|
return
|
|
}
|
|
self.unregisterKeyVerificationRequestDidChangeNotification()
|
|
self.update(viewState: .cancelled(reason))
|
|
case MXKeyVerificationRequestStateCancelledByMe:
|
|
guard let reason = request.reasonCancelCode else {
|
|
return
|
|
}
|
|
self.unregisterKeyVerificationRequestDidChangeNotification()
|
|
self.update(viewState: .cancelledByMe(reason))
|
|
case MXKeyVerificationRequestStateExpired:
|
|
self.unregisterKeyVerificationRequestDidChangeNotification()
|
|
self.update(viewState: .error(UserVerificationStartViewModelError.keyVerificationRequestExpired))
|
|
default:
|
|
break
|
|
}
|
|
}
|
|
}
|