passepartout-apple/Passepartout-iOS/Scenes/Organizer/WizardHostViewController.swift

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2018-10-11 07:13:19 +00:00
//
// WizardHostViewController.swift
// Passepartout-iOS
//
// Created by Davide De Rosa on 9/4/18.
// Copyright (c) 2018 Davide De Rosa. All rights reserved.
//
// https://github.com/keeshux
//
// 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/>.
//
import UIKit
import TunnelKit
import SwiftyBeaver
private let log = SwiftyBeaver.self
class WizardHostViewController: UITableViewController, TableModelHost {
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@IBOutlet private weak var itemNext: UIBarButtonItem!
private let existingHosts: [String] = {
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return TransientStore.shared.service.ids(forContext: .host).sortedCaseInsensitive()
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}()
var parsedFile: ParsedFile? {
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didSet {
useSuggestedTitle()
}
}
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var removesConfigurationOnCancel = false
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private var createdProfile: HostConnectionProfile?
// MARK: TableModelHost
lazy var model: TableModel<SectionType, RowType> = {
let model: TableModel<SectionType, RowType> = TableModel()
model.add(.meta)
model.setFooter(L10n.Global.Host.TitleInput.message, for: .meta)
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if !existingHosts.isEmpty {
model.add(.existing)
model.setHeader(L10n.Wizards.Host.Sections.Existing.header, for: .existing)
}
model.set([.titleInput], in: .meta)
model.set(.existingHost, count: existingHosts.count, in: .existing)
return model
}()
func reloadModel() {
}
// MARK: UIViewController
override func viewDidLoad() {
super.viewDidLoad()
title = L10n.Organizer.Sections.Hosts.header
itemNext.title = L10n.Global.next
}
override func viewWillAppear(_ animated: Bool) {
super.viewWillAppear(animated)
useSuggestedTitle()
}
override func viewDidAppear(_ animated: Bool) {
super.viewDidAppear(animated)
cellTitle?.field.becomeFirstResponder()
}
// MARK: Actions
private func useSuggestedTitle() {
cellTitle?.field.text = parsedFile?.url.normalizedFilename
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}
@IBAction private func next() {
guard let enteredTitle = cellTitle?.field.text?.trimmingCharacters(in: .whitespaces), !enteredTitle.isEmpty else {
return
}
guard let file = parsedFile else {
return
}
let profile = HostConnectionProfile(title: enteredTitle, hostname: file.hostname)
profile.parameters = file.configuration
let service = TransientStore.shared.service
guard !service.containsProfile(profile) else {
let replacedProfile = service.profile(withContext: profile.context, id: profile.id)
let alert = Macros.alert(title, L10n.Wizards.Host.Alerts.Existing.message)
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alert.addDefaultAction(L10n.Global.ok) {
self.next(withProfile: profile, replacedProfile: replacedProfile)
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}
alert.addCancelAction(L10n.Global.cancel)
present(alert, animated: true, completion: nil)
return
}
next(withProfile: profile, replacedProfile: nil)
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}
private func next(withProfile profile: HostConnectionProfile, replacedProfile: ConnectionProfile?) {
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createdProfile = profile
let accountVC = StoryboardScene.Main.accountIdentifier.instantiate()
if let replacedProfile = replacedProfile {
accountVC.currentCredentials = TransientStore.shared.service.credentials(for: replacedProfile)
}
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accountVC.delegate = self
navigationController?.pushViewController(accountVC, animated: true)
}
private func finish(withCredentials credentials: Credentials) {
guard let profile = createdProfile else {
fatalError("No profile created?")
}
let service = TransientStore.shared.service
if let url = parsedFile?.url {
do {
let savedURL = try service.save(configurationURL: url, for: profile)
log.debug("Associated .ovpn configuration file to profile '\(profile.id)': \(savedURL)")
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// can now delete imported file
try? FileManager.default.removeItem(at: url)
} catch let e {
log.error("Could not associate .ovpn configuration file to profile: \(e)")
}
}
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dismiss(animated: true) {
service.addOrReplaceProfile(profile, credentials: credentials)
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}
}
@IBAction private func close() {
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if removesConfigurationOnCancel, let url = parsedFile?.url {
try? FileManager.default.removeItem(at: url)
}
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dismiss(animated: true, completion: nil)
}
}
// MARK: -
extension WizardHostViewController {
enum SectionType: Int {
case meta
case existing
}
enum RowType: Int {
case titleInput
case existingHost
}
private var cellTitle: FieldTableViewCell? {
guard let ip = model.indexPath(row: .titleInput, section: .meta) else {
return nil
}
return tableView.cellForRow(at: ip) as? FieldTableViewCell
}
override func numberOfSections(in tableView: UITableView) -> Int {
return model.count
}
override func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
return model.header(for: section)
}
override func tableView(_ tableView: UITableView, titleForFooterInSection section: Int) -> String? {
return model.footer(for: section)
}
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override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return model.count(for: section)
}
override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
switch model.row(at: indexPath) {
case .titleInput:
let cell = Cells.field.dequeue(from: tableView, for: indexPath)
cell.caption = L10n.Wizards.Host.Cells.TitleInput.caption
cell.captionWidth = 100.0
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cell.allowedCharset = .filename
cell.field.applyProfileId(Theme.current)
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cell.delegate = self
return cell
case .existingHost:
let hostTitle = existingHosts[indexPath.row]
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let cell = Cells.setting.dequeue(from: tableView, for: indexPath)
cell.leftText = hostTitle
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cell.accessoryType = .none
cell.isTappable = true
return cell
}
}
override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
switch model.row(at: indexPath) {
case .existingHost:
guard let titleIndexPath = model.indexPath(row: .titleInput, section: .meta) else {
fatalError("Could not found title cell?")
}
let hostTitle = existingHosts[indexPath.row]
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let cellTitle = tableView.cellForRow(at: titleIndexPath) as? FieldTableViewCell
cellTitle?.field.text = hostTitle
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tableView.deselectRow(at: indexPath, animated: true)
default:
break
}
}
}
// MARK: -
extension WizardHostViewController: FieldTableViewCellDelegate {
func fieldCellDidEdit(_: FieldTableViewCell) {
}
func fieldCellDidEnter(_: FieldTableViewCell) {
next()
}
}
extension WizardHostViewController: AccountViewControllerDelegate {
func accountController(_: AccountViewController, didEnterCredentials credentials: Credentials) {
}
func accountControllerDidComplete(_ vc: AccountViewController) {
finish(withCredentials: vc.credentials)
}
}