183 lines
9.8 KiB
Swift
183 lines
9.8 KiB
Swift
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final class RegisterVC : UIViewController {
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private var seed: Data! { didSet { updateKeyPair() } }
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private var keyPair: ECKeyPair! { didSet { updatePublicKeyLabel() } }
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// MARK: Components
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private lazy var publicKeyLabel: UILabel = {
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let result = UILabel()
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result.textColor = Colors.text
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result.font = Fonts.spaceMono(ofSize: Values.largeFontSize)
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result.numberOfLines = 0
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result.textAlignment = .center
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result.lineBreakMode = .byCharWrapping
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return result
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}()
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private lazy var copyPublicKeyButton: Button = {
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let result = Button(style: .prominentOutline, size: .large)
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result.setTitle(NSLocalizedString("Copy Public Key", comment: ""), for: UIControl.State.normal)
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result.addTarget(self, action: #selector(copyPublicKey), for: UIControl.Event.touchUpInside)
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return result
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}()
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private lazy var legalLabel: UILabel = {
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let result = UILabel()
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result.textColor = Colors.text
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result.font = .systemFont(ofSize: Values.verySmallFontSize)
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let text = "By using this service, you agree to our Terms and Conditions and Privacy Statement"
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let attributedText = NSMutableAttributedString(string: text)
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attributedText.addAttribute(.font, value: UIFont.boldSystemFont(ofSize: Values.verySmallFontSize), range: (text as NSString).range(of: "Terms and Conditions"))
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attributedText.addAttribute(.font, value: UIFont.boldSystemFont(ofSize: Values.verySmallFontSize), range: (text as NSString).range(of: "Privacy Statement"))
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result.attributedText = attributedText
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result.numberOfLines = 0
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result.textAlignment = .center
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result.lineBreakMode = .byWordWrapping
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return result
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}()
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// MARK: Settings
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override var preferredStatusBarStyle: UIStatusBarStyle { return .lightContent }
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// MARK: Lifecycle
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override func viewDidLoad() {
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// Set gradient background
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view.backgroundColor = .clear
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let gradient = Gradients.defaultLokiBackground
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view.setGradient(gradient)
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// Set up navigation bar
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let navigationBar = navigationController!.navigationBar
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navigationBar.setBackgroundImage(UIImage(), for: UIBarMetrics.default)
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navigationBar.shadowImage = UIImage()
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navigationBar.isTranslucent = false
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navigationBar.barTintColor = Colors.navigationBarBackground
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// Set up logo image view
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let logoImageView = UIImageView()
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logoImageView.image = #imageLiteral(resourceName: "Loki")
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logoImageView.contentMode = .scaleAspectFit
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logoImageView.set(.width, to: 32)
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logoImageView.set(.height, to: 32)
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navigationItem.titleView = logoImageView
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// Set up title label
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let titleLabel = UILabel()
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titleLabel.textColor = Colors.text
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titleLabel.font = .boldSystemFont(ofSize: Values.veryLargeFontSize)
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titleLabel.text = NSLocalizedString("Say hello to your unique public key", comment: "")
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titleLabel.numberOfLines = 0
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titleLabel.lineBreakMode = .byWordWrapping
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// Set up explanation label
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let explanationLabel = UILabel()
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explanationLabel.textColor = Colors.text
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explanationLabel.font = .systemFont(ofSize: Values.smallFontSize)
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explanationLabel.text = "explanation explanation explanation explanation explanation explanation explanation explanation explanation explanation explanation explanation explanation explanation explanation explanation"
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explanationLabel.numberOfLines = 0
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explanationLabel.lineBreakMode = .byWordWrapping
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// Set up public key label container
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let publicKeyLabelContainer = UIView()
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publicKeyLabelContainer.addSubview(publicKeyLabel)
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publicKeyLabel.pin(to: publicKeyLabelContainer, withInset: Values.mediumSpacing)
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publicKeyLabelContainer.layer.cornerRadius = Values.textFieldCornerRadius
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publicKeyLabelContainer.layer.borderWidth = Values.borderThickness
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publicKeyLabelContainer.layer.borderColor = Colors.text.cgColor
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// Set up spacers
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let topSpacer = UIView.vStretchingSpacer()
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let bottomSpacer = UIView.vStretchingSpacer()
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// Set up register button
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let registerButton = Button(style: .prominentFilled, size: .large)
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registerButton.setTitle(NSLocalizedString("Continue", comment: ""), for: UIControl.State.normal)
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registerButton.titleLabel!.font = .boldSystemFont(ofSize: Values.mediumFontSize)
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registerButton.addTarget(self, action: #selector(register), for: UIControl.Event.touchUpInside)
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// Set up button stack view
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let buttonStackView = UIStackView(arrangedSubviews: [ registerButton, copyPublicKeyButton ])
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buttonStackView.axis = .vertical
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buttonStackView.spacing = Values.mediumSpacing
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buttonStackView.alignment = .fill
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// Set up button stack view container
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let buttonStackViewContainer = UIView()
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buttonStackViewContainer.addSubview(buttonStackView)
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buttonStackView.pin(.leading, to: .leading, of: buttonStackViewContainer, withInset: Values.massiveSpacing)
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buttonStackView.pin(.top, to: .top, of: buttonStackViewContainer)
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buttonStackViewContainer.pin(.trailing, to: .trailing, of: buttonStackView, withInset: Values.massiveSpacing)
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buttonStackViewContainer.pin(.bottom, to: .bottom, of: buttonStackView)
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// Set up legal label
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legalLabel.isUserInteractionEnabled = true
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let tapGestureRecognizer = UITapGestureRecognizer(target: self, action: #selector(handleLegalLabelTapped))
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legalLabel.addGestureRecognizer(tapGestureRecognizer)
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// Set up legal label container
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let legalLabelContainer = UIView()
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legalLabelContainer.set(.height, to: Values.onboardingButtonBottomOffset)
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legalLabelContainer.addSubview(legalLabel)
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legalLabel.pin(.leading, to: .leading, of: legalLabelContainer, withInset: Values.massiveSpacing)
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legalLabel.pin(.top, to: .top, of: legalLabelContainer)
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legalLabelContainer.pin(.trailing, to: .trailing, of: legalLabel, withInset: Values.massiveSpacing)
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legalLabelContainer.pin(.bottom, to: .bottom, of: legalLabel, withInset: 10)
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// Set up top stack view
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let topStackView = UIStackView(arrangedSubviews: [ titleLabel, explanationLabel, publicKeyLabelContainer ])
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topStackView.axis = .vertical
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topStackView.spacing = Values.veryLargeSpacing
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topStackView.alignment = .fill
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// Set up top stack view container
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let topStackViewContainer = UIView()
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topStackViewContainer.addSubview(topStackView)
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topStackView.pin(.leading, to: .leading, of: topStackViewContainer, withInset: Values.veryLargeSpacing)
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topStackView.pin(.top, to: .top, of: topStackViewContainer)
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topStackViewContainer.pin(.trailing, to: .trailing, of: topStackView, withInset: Values.veryLargeSpacing)
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topStackViewContainer.pin(.bottom, to: .bottom, of: topStackView)
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// Set up main stack view
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let mainStackView = UIStackView(arrangedSubviews: [ topSpacer, topStackViewContainer, bottomSpacer, buttonStackViewContainer, legalLabelContainer ])
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mainStackView.axis = .vertical
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mainStackView.alignment = .fill
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view.addSubview(mainStackView)
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mainStackView.pin(to: view)
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topSpacer.heightAnchor.constraint(equalTo: bottomSpacer.heightAnchor, multiplier: 1).isActive = true
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// Peform initial seed update
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updateSeed()
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}
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// MARK: General
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@objc private func enableCopyButton() {
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copyPublicKeyButton.isUserInteractionEnabled = true
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UIView.transition(with: copyPublicKeyButton, duration: 0.25, options: .transitionCrossDissolve, animations: {
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self.copyPublicKeyButton.setTitle(NSLocalizedString("Copy Public Key", comment: ""), for: UIControl.State.normal)
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}, completion: nil)
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}
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// MARK: Updating
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private func updateSeed() {
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seed = Randomness.generateRandomBytes(16)
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}
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private func updateKeyPair() {
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keyPair = Curve25519.generateKeyPair(fromSeed: seed + seed)
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}
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private func updatePublicKeyLabel() {
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publicKeyLabel.text = keyPair.hexEncodedPublicKey
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}
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// MARK: Interaction
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@objc private func register() {
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let identityManager = OWSIdentityManager.shared()
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let databaseConnection = identityManager.value(forKey: "dbConnection") as! YapDatabaseConnection
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databaseConnection.setObject(seed.toHexString(), forKey: "LKLokiSeed", inCollection: OWSPrimaryStorageIdentityKeyStoreCollection)
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databaseConnection.setObject(keyPair!, forKey: OWSPrimaryStorageIdentityKeyStoreIdentityKey, inCollection: OWSPrimaryStorageIdentityKeyStoreCollection)
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TSAccountManager.sharedInstance().phoneNumberAwaitingVerification = keyPair!.hexEncodedPublicKey
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let displayNameVC = DisplayNameVC()
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navigationController!.pushViewController(displayNameVC, animated: true)
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}
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@objc private func copyPublicKey() {
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UIPasteboard.general.string = keyPair.hexEncodedPublicKey
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copyPublicKeyButton.isUserInteractionEnabled = false
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UIView.transition(with: copyPublicKeyButton, duration: 0.25, options: .transitionCrossDissolve, animations: {
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self.copyPublicKeyButton.setTitle(NSLocalizedString("Copied", comment: ""), for: UIControl.State.normal)
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}, completion: nil)
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Timer.scheduledTimer(timeInterval: 4, target: self, selector: #selector(enableCopyButton), userInfo: nil, repeats: false)
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}
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@objc private func handleLegalLabelTapped(_ tapGestureRecognizer: UITapGestureRecognizer) {
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let url = URL(string: "https://github.com/loki-project/loki-messenger-ios/blob/master/privacy-policy.md")!
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UIApplication.shared.open(url)
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}
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}
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