213 lines
9.8 KiB
Swift
213 lines
9.8 KiB
Swift
import NVActivityIndicatorView
|
|
|
|
@objc(LKDeviceLinkingModal)
|
|
final class DeviceLinkingModal : Modal, DeviceLinkingSessionDelegate {
|
|
private let mode: Mode
|
|
private let delegate: DeviceLinkingModalDelegate?
|
|
private var deviceLink: DeviceLink?
|
|
|
|
// MARK: Types
|
|
enum Mode : String { case master, slave }
|
|
|
|
// MARK: Components
|
|
private lazy var spinner = NVActivityIndicatorView(frame: CGRect.zero, type: .circleStrokeSpin, color: Colors.text, padding: nil)
|
|
|
|
private lazy var qrCodeImageView: UIImageView = {
|
|
let result = UIImageView()
|
|
result.contentMode = .scaleAspectFit
|
|
return result
|
|
}()
|
|
|
|
private lazy var titleLabel: UILabel = {
|
|
let result = UILabel()
|
|
result.textColor = Colors.text
|
|
result.font = .boldSystemFont(ofSize: Values.mediumFontSize)
|
|
result.numberOfLines = 0
|
|
result.lineBreakMode = .byWordWrapping
|
|
result.textAlignment = .center
|
|
return result
|
|
}()
|
|
|
|
private lazy var subtitleLabel: UILabel = {
|
|
let result = UILabel()
|
|
result.textColor = Colors.text.withAlphaComponent(Values.unimportantElementOpacity)
|
|
result.font = .systemFont(ofSize: Values.smallFontSize)
|
|
result.numberOfLines = 0
|
|
result.lineBreakMode = .byWordWrapping
|
|
result.textAlignment = .center
|
|
return result
|
|
}()
|
|
|
|
private lazy var mnemonicLabel: UILabel = {
|
|
let result = UILabel()
|
|
result.textColor = Colors.text
|
|
result.font = .systemFont(ofSize: Values.smallFontSize)
|
|
result.numberOfLines = 0
|
|
result.lineBreakMode = .byWordWrapping
|
|
result.textAlignment = .center
|
|
return result
|
|
}()
|
|
|
|
private lazy var buttonStackView: UIStackView = {
|
|
let result = UIStackView(arrangedSubviews: [ cancelButton, authorizeButton ])
|
|
result.axis = .horizontal
|
|
result.spacing = Values.mediumSpacing
|
|
result.distribution = .fillEqually
|
|
return result
|
|
}()
|
|
|
|
private lazy var authorizeButton: UIButton = {
|
|
let result = UIButton()
|
|
result.set(.height, to: Values.mediumButtonHeight)
|
|
result.layer.cornerRadius = Values.modalButtonCornerRadius
|
|
result.backgroundColor = Colors.accent
|
|
result.titleLabel!.font = .systemFont(ofSize: Values.smallFontSize)
|
|
result.setTitleColor(Colors.text, for: UIControl.State.normal)
|
|
result.setTitle(NSLocalizedString("Authorize", comment: ""), for: UIControl.State.normal)
|
|
return result
|
|
}()
|
|
|
|
// MARK: Lifecycle
|
|
init(mode: Mode, delegate: DeviceLinkingModalDelegate?) {
|
|
self.mode = mode
|
|
if mode == .slave {
|
|
guard delegate != nil else { preconditionFailure("Missing delegate for device linking modal in slave mode.") }
|
|
}
|
|
self.delegate = delegate
|
|
super.init(nibName: nil, bundle: nil)
|
|
}
|
|
|
|
@objc(initWithMode:delegate:)
|
|
convenience init(modeAsString: String, delegate: DeviceLinkingModalDelegate?) {
|
|
guard let mode = Mode(rawValue: modeAsString) else { preconditionFailure("Invalid mode: \(modeAsString).") }
|
|
self.init(mode: mode, delegate: delegate)
|
|
}
|
|
|
|
required init?(coder: NSCoder) { preconditionFailure() }
|
|
override init(nibName: String?, bundle: Bundle?) { preconditionFailure() }
|
|
|
|
override func viewDidLoad() {
|
|
super.viewDidLoad()
|
|
switch mode {
|
|
case .master: let _ = DeviceLinkingSession.startListeningForLinkingRequests(with: self)
|
|
case .slave: let _ = DeviceLinkingSession.startListeningForLinkingAuthorization(with: self)
|
|
}
|
|
}
|
|
|
|
override func populateContentView() {
|
|
let stackView = UIStackView(arrangedSubviews: [ titleLabel, subtitleLabel, mnemonicLabel, buttonStackView ])
|
|
switch mode {
|
|
case .master: stackView.insertArrangedSubview(qrCodeImageView, at: 0)
|
|
case .slave: stackView.insertArrangedSubview(spinner, at: 0)
|
|
}
|
|
contentView.addSubview(stackView)
|
|
stackView.spacing = Values.largeSpacing
|
|
stackView.axis = .vertical
|
|
switch mode {
|
|
case .master:
|
|
qrCodeImageView.set(.height, to: 128)
|
|
let hexEncodedPublicKey = OWSIdentityManager.shared().identityKeyPair()!.hexEncodedPublicKey
|
|
let data = hexEncodedPublicKey.data(using: .utf8)
|
|
let filter = CIFilter(name: "CIQRCodeGenerator")!
|
|
filter.setValue(data, forKey: "inputMessage")
|
|
let qrCodeAsCIImage = filter.outputImage!
|
|
let scaledQRCodeAsCIImage = qrCodeAsCIImage.transformed(by: CGAffineTransform(scaleX: 4.8, y: 4.8))
|
|
let qrCode = UIImage(ciImage: scaledQRCodeAsCIImage)
|
|
qrCodeImageView.image = qrCode
|
|
case .slave:
|
|
spinner.set(.height, to: 64)
|
|
spinner.startAnimating()
|
|
}
|
|
titleLabel.text = {
|
|
switch mode {
|
|
case .master: return NSLocalizedString("Waiting for Device", comment: "")
|
|
case .slave: return NSLocalizedString("Waiting for Authorization", comment: "")
|
|
}
|
|
}()
|
|
subtitleLabel.text = {
|
|
switch mode {
|
|
case .master: return NSLocalizedString("Create a new account on your other device and click \"Link Device\" when you're at the \"Create Your Loki Messenger Account\" step to start the linking process", comment: "")
|
|
case .slave: return NSLocalizedString("Please check that the words below match the ones shown on your other device", comment: "")
|
|
}
|
|
}()
|
|
mnemonicLabel.isHidden = (mode == .master)
|
|
if mode == .slave {
|
|
let hexEncodedPublicKey = OWSIdentityManager.shared().identityKeyPair()!.hexEncodedPublicKey.removing05PrefixIfNeeded()
|
|
mnemonicLabel.text = Mnemonic.hash(hexEncodedString: hexEncodedPublicKey)
|
|
}
|
|
authorizeButton.addTarget(self, action: #selector(authorizeDeviceLink), for: UIControl.Event.touchUpInside)
|
|
authorizeButton.isHidden = true
|
|
stackView.pin(.leading, to: .leading, of: contentView, withInset: Values.largeSpacing)
|
|
stackView.pin(.top, to: .top, of: contentView, withInset: Values.largeSpacing)
|
|
contentView.pin(.trailing, to: .trailing, of: stackView, withInset: Values.largeSpacing)
|
|
contentView.pin(.bottom, to: .bottom, of: stackView, withInset: Values.largeSpacing)
|
|
}
|
|
|
|
// MARK: Device Linking
|
|
func requestUserAuthorization(for deviceLink: DeviceLink) {
|
|
self.deviceLink = deviceLink
|
|
qrCodeImageView.isHidden = true
|
|
titleLabel.text = NSLocalizedString("Linking Request Received", comment: "")
|
|
subtitleLabel.text = NSLocalizedString("Please check that the words below match the ones shown on your other device", comment: "")
|
|
let hexEncodedPublicKey = deviceLink.slave.hexEncodedPublicKey.removing05PrefixIfNeeded()
|
|
mnemonicLabel.text = Mnemonic.hash(hexEncodedString: hexEncodedPublicKey)
|
|
mnemonicLabel.isHidden = false
|
|
authorizeButton.isHidden = false
|
|
}
|
|
|
|
@objc private func authorizeDeviceLink() {
|
|
let deviceLink = self.deviceLink!
|
|
let linkingAuthorizationMessage = DeviceLinkingUtilities.getLinkingAuthorizationMessage(for: deviceLink)
|
|
ThreadUtil.enqueue(linkingAuthorizationMessage)
|
|
SSKEnvironment.shared.messageSender.send(linkingAuthorizationMessage, success: {
|
|
let _ = SSKEnvironment.shared.syncManager.syncAllContacts()
|
|
}) { _ in
|
|
print("[Loki] Failed to send device link authorization message.")
|
|
}
|
|
let session = DeviceLinkingSession.current!
|
|
session.stopListeningForLinkingRequests()
|
|
session.markLinkingRequestAsProcessed()
|
|
dismiss(animated: true, completion: nil)
|
|
let master = DeviceLink.Device(hexEncodedPublicKey: deviceLink.master.hexEncodedPublicKey, signature: linkingAuthorizationMessage.masterSignature)
|
|
let signedDeviceLink = DeviceLink(between: master, and: deviceLink.slave)
|
|
LokiStorageAPI.addDeviceLink(signedDeviceLink).done {
|
|
self.delegate?.handleDeviceLinkAuthorized(signedDeviceLink) // Intentionally capture self strongly
|
|
}.catch { error in
|
|
print("[Loki] Failed to add device link due to error: \(error).")
|
|
}
|
|
}
|
|
|
|
func handleDeviceLinkAuthorized(_ deviceLink: DeviceLink) {
|
|
let session = DeviceLinkingSession.current!
|
|
session.stopListeningForLinkingAuthorization()
|
|
spinner.stopAnimating()
|
|
spinner.isHidden = true
|
|
titleLabel.text = NSLocalizedString("Device Link Authorized", comment: "")
|
|
subtitleLabel.text = NSLocalizedString("Your device has been linked successfully", comment: "")
|
|
mnemonicLabel.isHidden = true
|
|
buttonStackView.isHidden = true
|
|
LokiStorageAPI.addDeviceLink(deviceLink).catch { error in
|
|
print("[Loki] Failed to add device link due to error: \(error).")
|
|
}
|
|
Timer.scheduledTimer(withTimeInterval: 2, repeats: false) { _ in
|
|
self.delegate?.handleDeviceLinkAuthorized(deviceLink)
|
|
self.dismiss(animated: true, completion: nil)
|
|
}
|
|
}
|
|
|
|
@objc override func cancel() {
|
|
guard let session = DeviceLinkingSession.current else {
|
|
return print("[Loki] Device linking session missing.") // Should never occur
|
|
}
|
|
session.stopListeningForLinkingRequests()
|
|
session.markLinkingRequestAsProcessed() // Only relevant in master mode
|
|
delegate?.handleDeviceLinkingModalDismissed() // Only relevant in slave mode
|
|
if let deviceLink = deviceLink {
|
|
OWSPrimaryStorage.shared().dbReadWriteConnection.readWrite { transaction in
|
|
OWSPrimaryStorage.shared().removePreKeyBundle(forContact: deviceLink.slave.hexEncodedPublicKey, transaction: transaction)
|
|
}
|
|
}
|
|
dismiss(animated: true, completion: nil)
|
|
}
|
|
}
|