passepartout-apple/Passepartout-iOS/Scenes/Organizer/ImportedHostsViewController...

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//
// ImportedHostsViewController.swift
// Passepartout-iOS
//
// Created by Davide De Rosa on 10/27/18.
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// Copyright (c) 2019 Davide De Rosa. All rights reserved.
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//
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// https://github.com/passepartoutvpn
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//
// This file is part of Passepartout.
//
// Passepartout is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Passepartout is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Passepartout. If not, see <http://www.gnu.org/licenses/>.
//
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import UIKit
import TunnelKit
import SwiftyBeaver
import PassepartoutCore
private let log = SwiftyBeaver.self
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class ImportedHostsViewController: UITableViewController {
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private lazy var pendingConfigurationURLs = TransientStore.shared.service.pendingConfigurationURLs().sortedCaseInsensitive()
private var importer: HostImporter?
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private var parsingResult: OpenVPN.ConfigurationParser.Result?
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override func viewDidLoad() {
super.viewDidLoad()
title = L10n.App.ImportedHosts.title
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}
override func viewWillAppear(_ animated: Bool) {
super.viewWillAppear(animated)
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parsingResult = nil
}
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override func viewDidAppear(_ animated: Bool) {
super.viewDidAppear(animated)
// guard !pendingConfigurationURLs.isEmpty else {
// let alert = UIAlertController.asAlert(
// title,
// L10n.Core.Organizer.Alerts.AddHost.message
// )
// alert.addCancelAction(L10n.Core.Global.ok) {
// self.close()
// }
// present(alert, animated: true, completion: nil)
// return
// }
if let selectedIP = tableView.indexPathForSelectedRow {
tableView.deselectRow(at: selectedIP, animated: true)
}
}
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// MARK: Actions
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@IBAction private func openConfigurationFile() {
let picker = UIDocumentPickerViewController(documentTypes: ["public.content", "public.data"], in: .import)
picker.allowsMultipleSelection = false
picker.delegate = self
present(picker, animated: true, completion: nil)
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}
override func shouldPerformSegue(withIdentifier identifier: String, sender: Any?) -> Bool {
// segue parses configuration file if not yet
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if parsingResult == nil {
guard let cell = sender as? UITableViewCell, let indexPath = tableView.indexPath(for: cell) else {
return false
}
let url = pendingConfigurationURLs[indexPath.row]
return tryParseURL(url, cell: cell)
}
return true
}
private func tryParseURL(_ url: URL, cell: UITableViewCell?) -> Bool {
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deselectSelectedRow()
importer = HostImporter(withConfigurationURL: url, parentViewController: self)
importer?.importHost(withPassphrase: nil, removeOnError: false, removeOnCancel: false) {
self.parsingResult = $0
self.perform(segue: StoryboardSegue.Organizer.importHostSegueIdentifier)
}
return true
}
override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
guard let wizard = segue.destination as? WizardHostViewController else {
return
}
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wizard.parsingResult = parsingResult
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// retain back button
wizard.navigationItem.leftBarButtonItem = nil
}
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@IBAction private func close() {
dismiss(animated: true, completion: nil)
}
private func deselectSelectedRow() {
if let selectedIP = tableView.indexPathForSelectedRow {
tableView.deselectRow(at: selectedIP, animated: true)
}
}
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}
extension ImportedHostsViewController {
override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return pendingConfigurationURLs.count
}
override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let url = pendingConfigurationURLs[indexPath.row]
let cell = Cells.setting.dequeue(from: tableView, for: indexPath)
cell.leftText = url.normalizedFilename
return cell
}
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override func tableView(_ tableView: UITableView, canEditRowAt indexPath: IndexPath) -> Bool {
return true
}
override func tableView(_ tableView: UITableView, commit editingStyle: UITableViewCell.EditingStyle, forRowAt indexPath: IndexPath) {
let url = pendingConfigurationURLs[indexPath.row]
try? FileManager.default.removeItem(at: url)
pendingConfigurationURLs.remove(at: indexPath.row)
tableView.deleteRows(at: [indexPath], with: .top)
}
}
extension ImportedHostsViewController: UIDocumentPickerDelegate {
func documentPickerWasCancelled(_ controller: UIDocumentPickerViewController) {
}
func documentPicker(_ controller: UIDocumentPickerViewController, didPickDocumentsAt urls: [URL]) {
guard let url = urls.first else {
return
}
_ = tryParseURL(url, cell: nil)
}
}