passepartout-apple/Passepartout/App/macOS/Scenes/Service/Customization/DNSViewController.swift

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//
// DNSViewController.swift
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// Passepartout
//
// Created by Davide De Rosa on 6/21/19.
// Copyright (c) 2021 Davide De Rosa. All rights reserved.
//
// https://github.com/passepartoutvpn
//
// 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 Cocoa
import PassepartoutCore
import TunnelKit
class DNSViewController: NSViewController, ProfileCustomization {
@IBOutlet private weak var popupChoice: NSPopUpButton!
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@IBOutlet private weak var viewSettings: NSStackView!
@IBOutlet private weak var textDNSCustom: NSTextField!
@IBOutlet private weak var viewDNSAddresses: NSView!
@IBOutlet private weak var viewDNSDomains: NSView!
@IBOutlet private weak var labelDNSProtocol: NSTextField!
@IBOutlet private weak var popupDNSProtocol: NSPopUpButton!
@IBOutlet private var constraintChoiceBottom: NSLayoutConstraint!
@IBOutlet private var constraintSettingsTop: NSLayoutConstraint!
private lazy var tableDNSDomains: TextTableView = .get()
private lazy var tableDNSAddresses: TextTableView = .get()
private lazy var currentChoice = profile?.networkChoices?.dns ?? ProfileNetworkChoices.with(profile: profile).dns
private lazy var clientNetworkSettings = profile?.clientNetworkSettings
private let networkSettings = ProfileNetworkSettings()
// MARK: ProfileCustomization
var profile: ConnectionProfile?
weak var delegate: ProfileCustomizationDelegate?
override func viewDidLoad() {
super.viewDidLoad()
labelDNSProtocol.stringValue = L10n.Core.Global.Captions.protocol.asCaption
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tableDNSAddresses.title = L10n.Core.NetworkSettings.Dns.Cells.Addresses.title.asCaption
viewDNSAddresses.addSubview(tableDNSAddresses)
tableDNSAddresses.translatesAutoresizingMaskIntoConstraints = false
NSLayoutConstraint.activate([
tableDNSAddresses.topAnchor.constraint(equalTo: viewDNSAddresses.topAnchor),
tableDNSAddresses.bottomAnchor.constraint(equalTo: viewDNSAddresses.bottomAnchor),
tableDNSAddresses.leftAnchor.constraint(equalTo: viewDNSAddresses.leftAnchor),
tableDNSAddresses.rightAnchor.constraint(equalTo: viewDNSAddresses.rightAnchor),
])
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tableDNSDomains.title = L10n.Core.NetworkSettings.Dns.Cells.Domains.title.asCaption
viewDNSDomains.addSubview(tableDNSDomains)
tableDNSDomains.translatesAutoresizingMaskIntoConstraints = false
NSLayoutConstraint.activate([
tableDNSDomains.topAnchor.constraint(equalTo: viewDNSDomains.topAnchor),
tableDNSDomains.bottomAnchor.constraint(equalTo: viewDNSDomains.bottomAnchor),
tableDNSDomains.leftAnchor.constraint(equalTo: viewDNSDomains.leftAnchor),
tableDNSDomains.rightAnchor.constraint(equalTo: viewDNSDomains.rightAnchor),
])
loadSettings(from: currentChoice)
popupChoice.removeAllItems()
popupDNSProtocol.removeAllItems()
let menuChoice = NSMenu()
var indexOfChoice = 0
for (i, choice) in NetworkChoice.choices(for: profile).enumerated() {
let item = NSMenuItem(title: choice.description, action: nil, keyEquivalent: "")
item.representedObject = choice
menuChoice.addItem(item)
if choice == currentChoice {
indexOfChoice = i
}
}
popupChoice.menu = menuChoice
tableDNSAddresses.rowTemplate = AppConstants.Placeholders.dnsAddress
tableDNSDomains.rowTemplate = AppConstants.Placeholders.dnsDomain
let menuProtocol = NSMenu()
var availableProtocols: [DNSProtocol] = [.plain]
if #available(iOS 14, macOS 11, *) {
availableProtocols.append(.https)
availableProtocols.append(.tls)
}
var indexOfDNSProtocol = 0
for (i, proto) in availableProtocols.enumerated() {
let item = NSMenuItem(title: proto.description, action: nil, keyEquivalent: "")
item.representedObject = proto
menuProtocol.addItem(item)
if proto == networkSettings.dnsProtocol {
indexOfDNSProtocol = i
}
}
popupChoice.menu = menuChoice
popupChoice.selectItem(at: indexOfChoice)
popupDNSProtocol.menu = menuProtocol
popupDNSProtocol.selectItem(at: indexOfDNSProtocol)
}
// MARK: Actions
@IBAction private func pickChoice(_ sender: Any?) {
guard let choice = popupChoice.selectedItem?.representedObject as? NetworkChoice else {
return
}
loadSettings(from: choice)
delegate?.profileCustomization(self, didUpdateDNS: choice, withManualSettings: networkSettings)
}
@IBAction private func pickProtocol(_ sender: Any?) {
guard let choice = popupChoice.selectedItem?.representedObject as? NetworkChoice else {
return
}
guard let proto = popupDNSProtocol.selectedItem?.representedObject as? DNSProtocol else {
return
}
networkSettings.dnsProtocol = proto
updateProtocolVisibility()
delegate?.profileCustomization(self, didUpdateDNS: choice, withManualSettings: networkSettings)
}
func commitManualSettings() {
guard currentChoice == .manual else {
return
}
view.endEditing()
switch networkSettings.dnsProtocol {
case .https:
networkSettings.dnsHTTPSURL = URL(string: textDNSCustom.stringValue)
case .tls:
networkSettings.dnsTLSServerName = textDNSCustom.stringValue
default:
break
}
networkSettings.dnsServers = tableDNSAddresses.rows
networkSettings.dnsSearchDomains = tableDNSDomains.rows
delegate?.profileCustomization(self, didUpdateDNS: .manual, withManualSettings: networkSettings)
}
// MARK: Helpers
private func loadSettings(from choice: NetworkChoice) {
currentChoice = choice
switch currentChoice {
case .client:
if let settings = clientNetworkSettings {
networkSettings.copyDNS(from: settings)
}
case .server:
break
case .manual:
if let settings = profile?.manualNetworkSettings {
networkSettings.copyDNS(from: settings)
}
}
let isManual = (currentChoice == .manual)
popupDNSProtocol.isEnabled = isManual
textDNSCustom.isEnabled = isManual
tableDNSAddresses.reset(withRows: networkSettings.dnsServers ?? [], isAddEnabled: isManual)
tableDNSDomains.reset(withRows: networkSettings.dnsSearchDomains ?? [], isAddEnabled: isManual)
let isServer = (currentChoice == .server)
constraintChoiceBottom.priority = isServer ? .defaultHigh : .defaultLow
constraintSettingsTop.priority = isServer ? .defaultLow : .defaultHigh
viewSettings.isHidden = isServer
updateProtocolVisibility()
}
private func updateProtocolVisibility() {
let isManual = (currentChoice == .manual)
switch networkSettings.dnsProtocol {
case .https:
textDNSCustom.placeholderString = isManual ? AppConstants.Placeholders.dohURL : ""
textDNSCustom.stringValue = networkSettings.dnsHTTPSURL?.absoluteString ?? ""
textDNSCustom.isHidden = false
case .tls:
textDNSCustom.placeholderString = isManual ? AppConstants.Placeholders.dotServerName : ""
textDNSCustom.stringValue = networkSettings.dnsTLSServerName ?? ""
textDNSCustom.isHidden = false
default:
textDNSCustom.isHidden = true
}
}
}