passepartout-apple/Passepartout-iOS/Scenes/NetworkSettingsViewControll...

726 lines
25 KiB
Swift
Raw Normal View History

//
// NetworkSettingsViewController.swift
// Passepartout-iOS
//
// Created by Davide De Rosa on 4/29/19.
2020-12-27 16:30:25 +00:00
// 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 UIKit
import PassepartoutCore
import TunnelKit
import SwiftyBeaver
import Convenience
private let log = SwiftyBeaver.self
private enum FieldTag: Int {
case dnsAddress = 100
case dnsDomain = 200
case proxyAddress = 301
case proxyPort = 302
2019-10-23 10:31:49 +00:00
case proxyAutoConfigurationURL = 303
case proxyBypass = 400
}
private struct Offsets {
static let dnsAddress = 0
static let dnsDomain = 0
2019-11-04 10:38:53 +00:00
static let proxyBypass = 3
}
class NetworkSettingsViewController: UITableViewController {
var profile: ConnectionProfile?
2019-06-28 08:53:24 +00:00
private lazy var networkChoices = ProfileNetworkChoices.with(profile: profile)
private lazy var clientNetworkSettings = profile?.clientNetworkSettings
private let networkSettings = ProfileNetworkSettings()
// MARK: StrongTableHost
let model: StrongTableModel<SectionType, RowType> = StrongTableModel()
func reloadModel() {
model.clear()
2019-10-25 16:58:25 +00:00
// sections (candidate)
var sections: [SectionType] = []
sections.append(.choices)
if networkChoices.gateway != .server {
2019-10-25 16:58:25 +00:00
sections.append(.manualGateway)
}
if networkChoices.dns != .server {
2019-10-25 16:58:25 +00:00
sections.append(.manualDNSServers)
sections.append(.manualDNSDomains)
}
if networkChoices.proxy != .server {
2019-10-25 16:58:25 +00:00
sections.append(.manualProxy)
}
2020-12-28 20:58:06 +00:00
if networkChoices.mtu == .manual {
2020-12-28 14:04:24 +00:00
sections.append(.manualMTU)
}
// headers
model.setHeader("", forSection: .choices)
model.setHeader(L10n.Core.NetworkSettings.Gateway.title, forSection: .manualGateway)
model.setHeader(L10n.Core.NetworkSettings.Proxy.title, forSection: .manualProxy)
2020-12-28 14:04:24 +00:00
model.setHeader(L10n.Core.NetworkSettings.Mtu.title, forSection: .manualMTU)
// footers
// model.setFooter(L10n.Core.Configuration.Sections.Reset.footer, for: .reset)
// rows
2020-12-28 14:04:24 +00:00
model.set([.gateway, .dns, .proxy, .mtu], forSection: .choices)
model.set([.gatewayIPv4, .gatewayIPv6], forSection: .manualGateway)
2020-12-28 14:04:24 +00:00
model.set([.mtuBytes], forSection: .manualMTU)
2019-10-25 16:58:25 +00:00
var dnsServers: [RowType] = Array(repeating: .dnsAddress, count: networkSettings.dnsServers?.count ?? 0)
if networkChoices.dns == .manual {
2019-10-25 16:58:25 +00:00
dnsServers.append(.dnsAddAddress)
}
2019-10-25 16:58:25 +00:00
model.set(dnsServers, forSection: .manualDNSServers)
2019-10-25 16:58:25 +00:00
var dnsDomains: [RowType] = Array(repeating: .dnsDomain, count: networkSettings.dnsSearchDomains?.count ?? 0)
if networkChoices.dns == .manual {
2019-10-25 16:58:25 +00:00
dnsDomains.append(.dnsAddDomain)
}
2019-10-25 16:58:25 +00:00
model.set(dnsDomains, forSection: .manualDNSDomains)
var proxyRows: [RowType] = Array(repeating: .proxyBypass, count: networkSettings.proxyBypassDomains?.count ?? 0)
proxyRows.insert(.proxyAddress, at: 0)
proxyRows.insert(.proxyPort, at: 1)
2019-10-23 10:31:49 +00:00
proxyRows.insert(.proxyAutoConfigurationURL, at: 2)
if networkChoices.proxy == .manual {
proxyRows.append(.proxyAddBypass)
}
model.set(proxyRows, forSection: .manualProxy)
2019-10-25 16:58:25 +00:00
// refine sections before add (DNS is tricky)
if !dnsServers.isEmpty {
model.setHeader(L10n.Core.NetworkSettings.Dns.title, forSection: .manualDNSServers)
} else if !dnsDomains.isEmpty {
sections.removeAll { $0 == .manualDNSServers }
model.setHeader(L10n.Core.NetworkSettings.Dns.title, forSection: .manualDNSDomains)
} else {
sections.removeAll { $0 == .manualDNSServers }
sections.removeAll { $0 == .manualDNSDomains }
}
for s in sections {
model.add(s)
}
}
// MARK: UIViewController
override func viewDidLoad() {
super.viewDidLoad()
updateGateway(networkChoices.gateway)
updateDNS(networkChoices.dns)
updateProxy(networkChoices.proxy)
2020-12-28 14:04:24 +00:00
updateMTU(networkChoices.mtu)
}
override func viewWillAppear(_ animated: Bool) {
super.viewWillAppear(animated)
reloadModel()
tableView.reloadData()
}
override func viewDidDisappear(_ animated: Bool) {
super.viewDidDisappear(animated)
commitChanges()
}
// MARK: Actions
private func updateGateway(_ choice: NetworkChoice) {
networkChoices.gateway = choice
switch networkChoices.gateway {
case .client:
if let settings = clientNetworkSettings {
networkSettings.copyGateway(from: settings)
}
case .server:
break
case .manual:
if let settings = profile?.manualNetworkSettings {
networkSettings.copyGateway(from: settings)
}
}
}
private func updateDNS(_ choice: NetworkChoice) {
networkChoices.dns = choice
switch networkChoices.dns {
case .client:
if let settings = clientNetworkSettings {
networkSettings.copyDNS(from: settings)
}
case .server:
break
case .manual:
if let settings = profile?.manualNetworkSettings {
networkSettings.copyDNS(from: settings)
}
}
}
private func updateProxy(_ choice: NetworkChoice) {
networkChoices.proxy = choice
switch networkChoices.proxy {
case .client:
if let settings = clientNetworkSettings {
networkSettings.copyProxy(from: settings)
}
case .server:
break
case .manual:
if let settings = profile?.manualNetworkSettings {
networkSettings.copyProxy(from: settings)
}
}
}
2020-12-28 14:04:24 +00:00
private func updateMTU(_ choice: NetworkChoice) {
networkChoices.mtu = choice
switch networkChoices.mtu {
case .client:
if let settings = clientNetworkSettings {
networkSettings.copyMTU(from: settings)
}
case .server:
break
case .manual:
if let settings = profile?.manualNetworkSettings {
networkSettings.copyMTU(from: settings)
}
}
}
private func commitTextField(_ field: UITextField) {
// DNS: servers, domains
2019-10-23 10:31:49 +00:00
// Proxy: address, port, PAC, bypass domains
let text = field.text ?? ""
if field.tag >= FieldTag.dnsAddress.rawValue && field.tag < FieldTag.dnsDomain.rawValue {
let i = field.tag - FieldTag.dnsAddress.rawValue
if let _ = networkSettings.dnsServers {
networkSettings.dnsServers?[i] = text
} else {
networkSettings.dnsServers = [text]
}
} else if field.tag >= FieldTag.dnsDomain.rawValue && field.tag < FieldTag.proxyAddress.rawValue {
let i = field.tag - FieldTag.dnsDomain.rawValue
if let _ = networkSettings.dnsSearchDomains {
networkSettings.dnsSearchDomains?[i] = text
} else {
networkSettings.dnsSearchDomains = [text]
}
} else if field.tag == FieldTag.proxyAddress.rawValue {
networkSettings.proxyAddress = field.text
} else if field.tag == FieldTag.proxyPort.rawValue {
networkSettings.proxyPort = UInt16(field.text ?? "0")
2019-10-23 10:31:49 +00:00
} else if field.tag == FieldTag.proxyAutoConfigurationURL.rawValue {
if let string = field.text {
networkSettings.proxyAutoConfigurationURL = URL(string: string)
} else {
networkSettings.proxyAutoConfigurationURL = nil
}
} else if field.tag >= FieldTag.proxyBypass.rawValue {
let i = field.tag - FieldTag.proxyBypass.rawValue
if let _ = networkSettings.proxyBypassDomains {
networkSettings.proxyBypassDomains?[i] = text
} else {
networkSettings.proxyBypassDomains = [text]
}
}
log.debug("Network settings: \(networkSettings)")
}
private func commitChanges() {
2019-07-03 15:58:14 +00:00
let settings = profile?.manualNetworkSettings ?? ProfileNetworkSettings()
profile?.networkChoices = networkChoices
if networkChoices.gateway == .manual {
settings.copyGateway(from: networkSettings)
}
if networkChoices.dns == .manual {
settings.copyDNS(from: networkSettings)
}
if networkChoices.proxy == .manual {
settings.copyProxy(from: networkSettings)
}
2020-12-28 14:04:24 +00:00
if networkChoices.mtu == .manual {
settings.copyMTU(from: networkSettings)
}
2019-07-03 15:58:14 +00:00
profile?.manualNetworkSettings = settings
}
}
// MARK: -
extension NetworkSettingsViewController {
enum SectionType: Int {
case choices
case manualGateway
case manualDNSServers
case manualDNSDomains
case manualProxy
2020-12-28 14:04:24 +00:00
case manualMTU
}
enum RowType: Int {
case gateway
case dns
case proxy
2020-12-28 14:04:24 +00:00
case mtu
case gatewayIPv4
case gatewayIPv6
case dnsAddress
case dnsAddAddress
case dnsDomain
case dnsAddDomain
case proxyAddress
case proxyPort
2019-10-23 10:31:49 +00:00
case proxyAutoConfigurationURL
case proxyBypass
case proxyAddBypass
2020-12-28 14:04:24 +00:00
case mtuBytes
}
override func numberOfSections(in tableView: UITableView) -> Int {
return model.numberOfSections
}
override func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
return model.header(forSection: section)
}
override func tableView(_ tableView: UITableView, titleForFooterInSection section: Int) -> String? {
return model.footer(forSection: section)
}
override func tableView(_ tableView: UITableView, heightForHeaderInSection section: Int) -> CGFloat {
return model.headerHeight(for: section)
}
override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return model.numberOfRows(forSection: section)
}
override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let row = model.row(at: indexPath)
switch row {
case .gateway:
let cell = Cells.setting.dequeue(from: tableView, for: indexPath)
2019-10-25 16:58:25 +00:00
cell.leftText = L10n.Core.NetworkSettings.Gateway.title
cell.rightText = networkChoices.gateway.description
return cell
case .dns:
let cell = Cells.setting.dequeue(from: tableView, for: indexPath)
2019-10-25 16:58:25 +00:00
cell.leftText = L10n.Core.NetworkSettings.Dns.title
cell.rightText = networkChoices.dns.description
return cell
case .proxy:
let cell = Cells.setting.dequeue(from: tableView, for: indexPath)
2019-10-25 16:58:25 +00:00
cell.leftText = L10n.Core.NetworkSettings.Proxy.title
cell.rightText = networkChoices.proxy.description
return cell
2020-12-28 14:04:24 +00:00
case .mtu:
let cell = Cells.setting.dequeue(from: tableView, for: indexPath)
cell.leftText = L10n.Core.NetworkSettings.Mtu.title
cell.rightText = networkChoices.mtu.description
return cell
case .gatewayIPv4:
let cell = Cells.toggle.dequeue(from: tableView, for: indexPath, tag: row.rawValue, delegate: self)
cell.caption = "IPv4"
cell.toggle.isEnabled = (networkChoices.gateway == .manual)
cell.isOn = networkSettings.gatewayPolicies?.contains(.IPv4) ?? false
return cell
case .gatewayIPv6:
let cell = Cells.toggle.dequeue(from: tableView, for: indexPath, tag: row.rawValue, delegate: self)
cell.caption = "IPv6"
cell.toggle.isEnabled = (networkChoices.gateway == .manual)
cell.isOn = networkSettings.gatewayPolicies?.contains(.IPv6) ?? false
return cell
case .dnsAddress:
let i = indexPath.row - Offsets.dnsAddress
let cell = Cells.field.dequeue(from: tableView, for: indexPath)
cell.caption = L10n.Core.Global.Captions.address
cell.field.tag = FieldTag.dnsAddress.rawValue + i
cell.field.placeholder = L10n.Core.Global.Values.none
cell.field.text = networkSettings.dnsServers?[i]
cell.field.clearButtonMode = .always
cell.field.keyboardType = .numbersAndPunctuation
cell.captionWidth = 160.0
cell.delegate = self
cell.field.isEnabled = (networkChoices.dns == .manual)
return cell
case .dnsAddAddress:
let cell = Cells.setting.dequeue(from: tableView, for: indexPath)
cell.applyAction(.current)
cell.leftText = L10n.App.NetworkSettings.Cells.AddDnsServer.caption
return cell
case .dnsDomain:
let i = indexPath.row - Offsets.dnsDomain
let cell = Cells.field.dequeue(from: tableView, for: indexPath)
cell.caption = L10n.Core.NetworkSettings.Dns.Cells.Domain.caption
cell.field.tag = FieldTag.dnsDomain.rawValue + i
cell.field.placeholder = L10n.Core.Global.Values.none
cell.field.text = networkSettings.dnsSearchDomains?[i]
cell.field.clearButtonMode = .always
cell.field.keyboardType = .asciiCapable
cell.captionWidth = 160.0
cell.delegate = self
cell.field.isEnabled = (networkChoices.dns == .manual)
return cell
case .dnsAddDomain:
let cell = Cells.setting.dequeue(from: tableView, for: indexPath)
cell.applyAction(.current)
cell.leftText = L10n.App.NetworkSettings.Cells.AddDnsDomain.caption
return cell
case .proxyAddress:
let cell = Cells.field.dequeue(from: tableView, for: indexPath)
cell.caption = L10n.Core.Global.Captions.address
cell.field.tag = FieldTag.proxyAddress.rawValue
cell.field.placeholder = L10n.Core.Global.Values.none
cell.field.text = networkSettings.proxyAddress
cell.field.clearButtonMode = .always
cell.field.keyboardType = .numbersAndPunctuation
cell.captionWidth = 160.0
cell.delegate = self
cell.field.isEnabled = (networkChoices.proxy == .manual)
return cell
case .proxyPort:
let cell = Cells.field.dequeue(from: tableView, for: indexPath)
cell.caption = L10n.Core.Global.Captions.port
cell.field.tag = FieldTag.proxyPort.rawValue
cell.field.placeholder = L10n.Core.Global.Values.none
cell.field.text = networkSettings.proxyPort?.description
cell.field.clearButtonMode = .always
cell.field.keyboardType = .numberPad
cell.captionWidth = 160.0
cell.delegate = self
cell.field.isEnabled = (networkChoices.proxy == .manual)
return cell
2019-10-23 10:31:49 +00:00
case .proxyAutoConfigurationURL:
let cell = Cells.field.dequeue(from: tableView, for: indexPath)
cell.caption = "PAC"
cell.field.tag = FieldTag.proxyAutoConfigurationURL.rawValue
cell.field.placeholder = L10n.Core.Global.Values.none
cell.field.text = networkSettings.proxyAutoConfigurationURL?.absoluteString
cell.field.clearButtonMode = .always
cell.field.keyboardType = .asciiCapable
cell.captionWidth = 160.0
cell.delegate = self
cell.field.isEnabled = (networkChoices.proxy == .manual)
return cell
case .proxyBypass:
let i = indexPath.row - Offsets.proxyBypass
let cell = Cells.field.dequeue(from: tableView, for: indexPath)
cell.caption = L10n.App.NetworkSettings.Cells.ProxyBypass.caption
cell.field.tag = FieldTag.proxyBypass.rawValue + i
cell.field.placeholder = L10n.Core.Global.Values.none
cell.field.text = networkSettings.proxyBypassDomains?[i]
cell.field.clearButtonMode = .always
cell.field.keyboardType = .asciiCapable
cell.captionWidth = 160.0
cell.delegate = self
cell.field.isEnabled = (networkChoices.proxy == .manual)
return cell
case .proxyAddBypass:
let cell = Cells.setting.dequeue(from: tableView, for: indexPath)
cell.applyAction(.current)
cell.leftText = L10n.App.NetworkSettings.Cells.AddProxyBypass.caption
return cell
2020-12-28 14:04:24 +00:00
case .mtuBytes:
let cell = Cells.setting.dequeue(from: tableView, for: indexPath)
cell.leftText = L10n.Core.NetworkSettings.Mtu.Cells.Bytes.caption
cell.rightText = networkSettings.mtuBytes?.description ?? "Default"
return cell
}
}
override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
let cell = tableView.cellForRow(at: indexPath)
switch model.row(at: indexPath) {
case .gateway:
let vc = SingleOptionViewController<NetworkChoice>()
vc.applyTint(.current)
vc.title = (cell as? SettingTableViewCell)?.leftText
vc.options = NetworkChoice.choices(for: profile)
vc.descriptionBlock = { $0.description }
vc.selectedOption = networkChoices.gateway
vc.selectionBlock = { [weak self] in
self?.updateGateway($0)
self?.navigationController?.popViewController(animated: true)
}
navigationController?.pushViewController(vc, animated: true)
case .dns:
let vc = SingleOptionViewController<NetworkChoice>()
vc.applyTint(.current)
vc.title = (cell as? SettingTableViewCell)?.leftText
vc.options = NetworkChoice.choices(for: profile)
vc.descriptionBlock = { $0.description }
vc.selectedOption = networkChoices.dns
vc.selectionBlock = { [weak self] in
self?.updateDNS($0)
self?.navigationController?.popViewController(animated: true)
}
navigationController?.pushViewController(vc, animated: true)
case .proxy:
let vc = SingleOptionViewController<NetworkChoice>()
vc.applyTint(.current)
vc.title = (cell as? SettingTableViewCell)?.leftText
vc.options = NetworkChoice.choices(for: profile)
vc.descriptionBlock = { $0.description }
vc.selectedOption = networkChoices.proxy
vc.selectionBlock = { [weak self] in
self?.updateProxy($0)
self?.navigationController?.popViewController(animated: true)
}
navigationController?.pushViewController(vc, animated: true)
2020-12-28 14:04:24 +00:00
case .mtu:
let vc = SingleOptionViewController<NetworkChoice>()
vc.applyTint(.current)
vc.title = (cell as? SettingTableViewCell)?.leftText
vc.options = NetworkChoice.choices(for: profile)
vc.descriptionBlock = { $0.description }
vc.selectedOption = networkChoices.mtu
vc.selectionBlock = { [weak self] in
self?.updateMTU($0)
self?.navigationController?.popViewController(animated: true)
}
navigationController?.pushViewController(vc, animated: true)
case .dnsAddAddress:
tableView.deselectRow(at: indexPath, animated: true)
var dnsServers = networkSettings.dnsServers ?? []
dnsServers.append("")
networkSettings.dnsServers = dnsServers
reloadModel()
tableView.insertRows(at: [indexPath], with: .automatic)
case .dnsAddDomain:
tableView.deselectRow(at: indexPath, animated: true)
var dnsSearchDomains = networkSettings.dnsSearchDomains ?? []
dnsSearchDomains.append("")
networkSettings.dnsSearchDomains = dnsSearchDomains
reloadModel()
tableView.insertRows(at: [indexPath], with: .automatic)
case .proxyAddBypass:
tableView.deselectRow(at: indexPath, animated: true)
var bypassDomains = networkSettings.proxyBypassDomains ?? []
bypassDomains.append("")
networkSettings.proxyBypassDomains = bypassDomains
reloadModel()
tableView.insertRows(at: [indexPath], with: .automatic)
2020-12-28 14:04:24 +00:00
case .mtuBytes:
guard networkChoices.mtu == .manual else {
break
}
let vc = SingleOptionViewController<Int>()
vc.applyTint(.current)
vc.title = (cell as? SettingTableViewCell)?.leftText
vc.options = ProfileNetworkSettings.mtuOptions
vc.descriptionBlock = { $0.description }
vc.selectedOption = networkSettings.mtuBytes
vc.selectionBlock = { [weak self] in
self?.networkSettings.mtuBytes = $0
self?.navigationController?.popViewController(animated: true)
}
navigationController?.pushViewController(vc, animated: true)
default:
break
}
}
private func handle(row: RowType, cell: ToggleTableViewCell) {
switch row {
case .gatewayIPv4:
guard networkChoices.gateway == .manual else {
return
}
var policies = networkSettings.gatewayPolicies ?? []
if cell.toggle.isOn {
policies.append(.IPv4)
} else {
policies.removeAll { $0 == .IPv4 }
}
policies.sort { $0.rawValue < $1.rawValue }
networkSettings.gatewayPolicies = policies
case .gatewayIPv6:
guard networkChoices.gateway == .manual else {
return
}
var policies = networkSettings.gatewayPolicies ?? []
if cell.toggle.isOn {
policies.append(.IPv6)
} else {
policies.removeAll { $0 == .IPv6 }
}
policies.sort { $0.rawValue < $1.rawValue }
networkSettings.gatewayPolicies = policies
default:
break
}
}
override func tableView(_ tableView: UITableView, canEditRowAt indexPath: IndexPath) -> Bool {
switch model.row(at: indexPath) {
case .dnsAddress, .dnsDomain, .proxyBypass:
return true
default:
return false
}
}
override func tableView(_ tableView: UITableView, commit editingStyle: UITableViewCell.EditingStyle, forRowAt indexPath: IndexPath) {
switch model.row(at: indexPath) {
case .dnsAddress:
networkSettings.dnsServers?.remove(at: indexPath.row - Offsets.dnsAddress)
case .dnsDomain:
networkSettings.dnsSearchDomains?.remove(at: indexPath.row - Offsets.dnsDomain)
case .proxyBypass:
networkSettings.proxyBypassDomains?.remove(at: indexPath.row - Offsets.proxyBypass)
default:
break
}
reloadModel()
tableView.deleteRows(at: [indexPath], with: .automatic)
}
}
extension NetworkSettingsViewController: ToggleTableViewCellDelegate {
func toggleCell(_ cell: ToggleTableViewCell, didToggleToValue value: Bool) {
guard let item = RowType(rawValue: cell.tag) else {
return
}
handle(row: item, cell: cell)
}
}
extension NetworkSettingsViewController: FieldTableViewCellDelegate {
func fieldCellDidEdit(_ cell: FieldTableViewCell) {
commitTextField(cell.field)
}
func fieldCellDidEnter(_: FieldTableViewCell) {
}
}
extension NetworkChoice: CustomStringConvertible {
public var description: String {
switch self {
case .client:
return L10n.Core.NetworkChoice.client
case .server:
return L10n.Core.NetworkChoice.server
case .manual:
return L10n.Core.Global.Values.manual
}
}
}