2018-10-29 12:04:02 +00:00
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// SPDX-License-Identifier: MIT
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2018-10-30 02:57:35 +00:00
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// Copyright © 2018 WireGuard LLC. All Rights Reserved.
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2018-10-29 12:04:02 +00:00
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import UIKit
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2018-10-29 17:26:25 +00:00
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import os.log
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2018-10-29 12:04:02 +00:00
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class SettingsTableViewController: UITableViewController {
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enum SettingsFields: String {
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case iosAppVersion = "WireGuard for iOS"
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case goBackendVersion = "WireGuard Go Backend"
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case exportZipArchive = "Export zip archive"
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}
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2018-11-06 17:11:54 +00:00
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let settingsFieldsBySection: [[SettingsFields]] = [
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2018-11-03 18:53:04 +00:00
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[.iosAppVersion, .goBackendVersion],
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[.exportZipArchive]
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2018-10-29 12:04:02 +00:00
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]
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2018-10-29 17:26:25 +00:00
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let tunnelsManager: TunnelsManager?
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2018-11-03 18:35:25 +00:00
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var wireguardCaptionedImage: (view: UIView, size: CGSize)?
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2018-10-29 17:26:25 +00:00
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init(tunnelsManager: TunnelsManager?) {
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self.tunnelsManager = tunnelsManager
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2018-10-29 12:04:02 +00:00
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super.init(style: .grouped)
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}
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required init?(coder aDecoder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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override func viewDidLoad() {
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super.viewDidLoad()
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self.title = "Settings"
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self.navigationItem.rightBarButtonItem = UIBarButtonItem(barButtonSystemItem: .done, target: self, action: #selector(doneTapped))
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self.tableView.rowHeight = 44
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self.tableView.allowsSelection = false
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self.tableView.register(TunnelSettingsTableViewKeyValueCell.self, forCellReuseIdentifier: TunnelSettingsTableViewKeyValueCell.id)
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self.tableView.register(TunnelSettingsTableViewButtonCell.self, forCellReuseIdentifier: TunnelSettingsTableViewButtonCell.id)
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2018-11-03 13:11:54 +00:00
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2018-11-03 18:48:10 +00:00
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let logo = UIImageView(image: UIImage(named: "wireguard.pdf", in: Bundle.main, compatibleWith: nil)!)
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logo.contentMode = .scaleAspectFit
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2018-11-04 02:37:09 +00:00
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let height = self.tableView.rowHeight * 1.5
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let width = height * logo.image!.size.width / logo.image!.size.height
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logo.frame = CGRect(x: 0, y: 0, width: width, height: height)
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logo.bounds = logo.frame.insetBy(dx: 2, dy: 2)
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2018-11-03 18:48:10 +00:00
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self.tableView.tableFooterView = logo
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2018-10-29 12:04:02 +00:00
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}
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2018-11-05 01:09:40 +00:00
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2018-11-04 02:37:09 +00:00
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override func viewDidLayoutSubviews() {
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super.viewDidLayoutSubviews()
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guard let logo = self.tableView.tableFooterView else { return }
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2018-11-05 01:09:40 +00:00
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let bottomPadding = max(self.tableView.layoutMargins.bottom, CGFloat(10))
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let fullHeight = max(self.tableView.contentSize.height, self.tableView.bounds.size.height - self.tableView.layoutMargins.top - bottomPadding)
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2018-11-04 02:37:09 +00:00
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let e = logo.frame
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2018-11-05 01:09:40 +00:00
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logo.frame = CGRect(x: e.minX, y: fullHeight - e.height, width: e.width, height: e.height)
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2018-11-04 02:37:09 +00:00
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}
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2018-10-29 12:04:02 +00:00
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@objc func doneTapped() {
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dismiss(animated: true, completion: nil)
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}
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2018-10-29 17:26:25 +00:00
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func exportConfigurationsAsZipFile(sourceView: UIView) {
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guard let tunnelsManager = tunnelsManager, tunnelsManager.numberOfTunnels() > 0 else {
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2018-11-01 17:59:58 +00:00
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showErrorAlert(title: "Nothing to export", message: "There are no tunnels to export")
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2018-10-29 17:26:25 +00:00
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return
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}
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var inputsToArchiver: [(fileName: String, contents: Data)] = []
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for i in 0 ..< tunnelsManager.numberOfTunnels() {
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guard let tunnelConfiguration = tunnelsManager.tunnel(at: i).tunnelConfiguration() else { continue }
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if let contents = WgQuickConfigFileWriter.writeConfigFile(from: tunnelConfiguration) {
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let name = tunnelConfiguration.interface.name
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2018-11-14 13:47:18 +00:00
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assert(name != tunnelsManager.tunnel(at: i - 1).name)
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inputsToArchiver.append((fileName: "\(name).conf", contents: contents))
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2018-10-29 17:26:25 +00:00
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}
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}
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guard let destinationDir = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask).first else {
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return
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}
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let destinationURL = destinationDir.appendingPathComponent("wireguard-export.zip")
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do {
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try FileManager.default.removeItem(at: destinationURL)
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} catch {
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os_log("Failed to delete file: %{public}@ : %{public}@", log: OSLog.default, type: .error, destinationURL.absoluteString, error.localizedDescription)
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}
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do {
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try ZipArchive.archive(inputs: inputsToArchiver, to: destinationURL)
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let activityVC = UIActivityViewController(activityItems: [destinationURL], applicationActivities: nil)
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// popoverPresentationController shall be non-nil on the iPad
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activityVC.popoverPresentationController?.sourceView = sourceView
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2018-11-07 14:13:36 +00:00
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activityVC.popoverPresentationController?.sourceRect = sourceView.bounds
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2018-10-29 17:26:25 +00:00
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present(activityVC, animated: true)
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2018-11-01 17:59:58 +00:00
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} catch (let error) {
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showErrorAlert(title: "Unable to export", message: "There was an error exporting the tunnel configuration archive: \(String(describing: error))")
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2018-10-29 17:26:25 +00:00
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}
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}
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func showErrorAlert(title: String, message: String) {
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2018-11-01 20:22:12 +00:00
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let okAction = UIAlertAction(title: "OK", style: .default)
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2018-10-29 17:26:25 +00:00
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let alert = UIAlertController(title: title, message: message, preferredStyle: .alert)
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alert.addAction(okAction)
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self.present(alert, animated: true, completion: nil)
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}
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2018-10-29 12:04:02 +00:00
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}
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// MARK: UITableViewDataSource
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extension SettingsTableViewController {
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override func numberOfSections(in tableView: UITableView) -> Int {
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return settingsFieldsBySection.count
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}
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override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
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return settingsFieldsBySection[section].count
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}
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override func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
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switch (section) {
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case 0:
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2018-11-03 12:23:50 +00:00
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return "About"
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2018-11-03 18:53:04 +00:00
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case 1:
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return "Export configurations"
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2018-10-29 12:04:02 +00:00
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default:
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return nil
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}
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}
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override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
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let field = settingsFieldsBySection[indexPath.section][indexPath.row]
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if (field == .iosAppVersion || field == .goBackendVersion) {
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let cell = tableView.dequeueReusableCell(withIdentifier: TunnelSettingsTableViewKeyValueCell.id, for: indexPath) as! TunnelSettingsTableViewKeyValueCell
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cell.key = field.rawValue
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if (field == .iosAppVersion) {
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2018-11-07 04:45:39 +00:00
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var appVersion = Bundle.main.infoDictionary?["CFBundleShortVersionString"] as? String ?? "Unknown version"
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if let appBuild = Bundle.main.infoDictionary?["CFBundleVersion"] as? String {
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appVersion += " (\(appBuild))"
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}
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2018-10-29 12:04:02 +00:00
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cell.value = appVersion
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} else if (field == .goBackendVersion) {
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2018-10-31 03:02:36 +00:00
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cell.value = WIREGUARD_GO_VERSION
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2018-10-29 12:04:02 +00:00
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}
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return cell
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} else {
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assert(field == .exportZipArchive)
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let cell = tableView.dequeueReusableCell(withIdentifier: TunnelSettingsTableViewButtonCell.id, for: indexPath) as! TunnelSettingsTableViewButtonCell
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cell.buttonText = field.rawValue
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2018-10-29 17:26:25 +00:00
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cell.onTapped = { [weak self] in
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self?.exportConfigurationsAsZipFile(sourceView: cell.button)
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}
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2018-10-29 12:04:02 +00:00
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return cell
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}
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}
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}
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class TunnelSettingsTableViewKeyValueCell: UITableViewCell {
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static let id: String = "TunnelSettingsTableViewKeyValueCell"
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var key: String {
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get { return textLabel?.text ?? "" }
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set(value) { textLabel?.text = value }
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}
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var value: String {
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get { return detailTextLabel?.text ?? "" }
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set(value) { detailTextLabel?.text = value }
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}
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2018-11-05 05:31:25 +00:00
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override init(style: UITableViewCell.CellStyle, reuseIdentifier: String?) {
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2018-10-29 12:04:02 +00:00
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super.init(style: .value1, reuseIdentifier: TunnelSettingsTableViewKeyValueCell.id)
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}
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required init?(coder aDecoder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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override func prepareForReuse() {
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super.prepareForReuse()
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key = ""
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value = ""
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}
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}
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class TunnelSettingsTableViewButtonCell: UITableViewCell {
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static let id: String = "TunnelSettingsTableViewButtonCell"
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var buttonText: String {
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get { return button.title(for: .normal) ?? "" }
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set(value) { button.setTitle(value, for: .normal) }
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}
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2018-11-03 18:35:25 +00:00
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var onTapped: (() -> Void)?
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2018-10-29 12:04:02 +00:00
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let button: UIButton
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2018-11-05 05:31:25 +00:00
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override init(style: UITableViewCell.CellStyle, reuseIdentifier: String?) {
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2018-10-29 12:04:02 +00:00
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button = UIButton(type: .system)
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super.init(style: style, reuseIdentifier: reuseIdentifier)
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contentView.addSubview(button)
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button.translatesAutoresizingMaskIntoConstraints = false
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NSLayoutConstraint.activate([
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button.centerYAnchor.constraint(equalTo: contentView.centerYAnchor),
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button.centerXAnchor.constraint(equalTo: contentView.centerXAnchor)
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])
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button.addTarget(self, action: #selector(buttonTapped), for: .touchUpInside)
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}
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@objc func buttonTapped() {
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onTapped?()
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}
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required init?(coder aDecoder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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override func prepareForReuse() {
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super.prepareForReuse()
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buttonText = ""
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onTapped = nil
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}
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}
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