650 lines
23 KiB
Swift
650 lines
23 KiB
Swift
//
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// NetworkSettingsViewController.swift
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// Passepartout-iOS
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//
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// Created by Davide De Rosa on 4/29/19.
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// Copyright (c) 2020 Davide De Rosa. All rights reserved.
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//
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// https://github.com/passepartoutvpn
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//
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// This file is part of Passepartout.
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//
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// Passepartout is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Passepartout is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Passepartout. If not, see <http://www.gnu.org/licenses/>.
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//
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import UIKit
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import PassepartoutCore
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import TunnelKit
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import SwiftyBeaver
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import Convenience
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private let log = SwiftyBeaver.self
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private enum FieldTag: Int {
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case dnsAddress = 100
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case dnsDomain = 200
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case proxyAddress = 301
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case proxyPort = 302
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case proxyAutoConfigurationURL = 303
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case proxyBypass = 400
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}
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private struct Offsets {
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static let dnsAddress = 0
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static let dnsDomain = 0
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static let proxyBypass = 3
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}
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class NetworkSettingsViewController: UITableViewController {
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var profile: ConnectionProfile?
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private lazy var networkChoices = ProfileNetworkChoices.with(profile: profile)
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private lazy var clientNetworkSettings = profile?.clientNetworkSettings
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private let networkSettings = ProfileNetworkSettings()
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// MARK: StrongTableHost
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let model: StrongTableModel<SectionType, RowType> = StrongTableModel()
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func reloadModel() {
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model.clear()
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// sections (candidate)
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var sections: [SectionType] = []
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sections.append(.choices)
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if networkChoices.gateway != .server {
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sections.append(.manualGateway)
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}
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if networkChoices.dns != .server {
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sections.append(.manualDNSServers)
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sections.append(.manualDNSDomains)
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}
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if networkChoices.proxy != .server {
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sections.append(.manualProxy)
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}
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// headers
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model.setHeader("", forSection: .choices)
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model.setHeader(L10n.Core.NetworkSettings.Gateway.title, forSection: .manualGateway)
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model.setHeader(L10n.Core.NetworkSettings.Proxy.title, forSection: .manualProxy)
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// footers
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// model.setFooter(L10n.Core.Configuration.Sections.Reset.footer, for: .reset)
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// rows
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model.set([.gateway, .dns, .proxy], forSection: .choices)
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model.set([.gatewayIPv4, .gatewayIPv6], forSection: .manualGateway)
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var dnsServers: [RowType] = Array(repeating: .dnsAddress, count: networkSettings.dnsServers?.count ?? 0)
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if networkChoices.dns == .manual {
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dnsServers.append(.dnsAddAddress)
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}
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model.set(dnsServers, forSection: .manualDNSServers)
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var dnsDomains: [RowType] = Array(repeating: .dnsDomain, count: networkSettings.dnsSearchDomains?.count ?? 0)
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if networkChoices.dns == .manual {
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dnsDomains.append(.dnsAddDomain)
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}
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model.set(dnsDomains, forSection: .manualDNSDomains)
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var proxyRows: [RowType] = Array(repeating: .proxyBypass, count: networkSettings.proxyBypassDomains?.count ?? 0)
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proxyRows.insert(.proxyAddress, at: 0)
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proxyRows.insert(.proxyPort, at: 1)
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proxyRows.insert(.proxyAutoConfigurationURL, at: 2)
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if networkChoices.proxy == .manual {
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proxyRows.append(.proxyAddBypass)
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}
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model.set(proxyRows, forSection: .manualProxy)
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// refine sections before add (DNS is tricky)
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if !dnsServers.isEmpty {
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model.setHeader(L10n.Core.NetworkSettings.Dns.title, forSection: .manualDNSServers)
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} else if !dnsDomains.isEmpty {
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sections.removeAll { $0 == .manualDNSServers }
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model.setHeader(L10n.Core.NetworkSettings.Dns.title, forSection: .manualDNSDomains)
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} else {
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sections.removeAll { $0 == .manualDNSServers }
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sections.removeAll { $0 == .manualDNSDomains }
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}
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for s in sections {
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model.add(s)
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}
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}
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// MARK: UIViewController
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override func viewDidLoad() {
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super.viewDidLoad()
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updateGateway(networkChoices.gateway)
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updateDNS(networkChoices.dns)
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updateProxy(networkChoices.proxy)
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}
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override func viewWillAppear(_ animated: Bool) {
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super.viewWillAppear(animated)
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reloadModel()
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tableView.reloadData()
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}
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override func viewDidDisappear(_ animated: Bool) {
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super.viewDidDisappear(animated)
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commitChanges()
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}
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// MARK: Actions
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private func updateGateway(_ choice: NetworkChoice) {
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networkChoices.gateway = choice
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switch networkChoices.gateway {
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case .client:
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if let settings = clientNetworkSettings {
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networkSettings.copyGateway(from: settings)
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}
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case .server:
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break
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case .manual:
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if let settings = profile?.manualNetworkSettings {
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networkSettings.copyGateway(from: settings)
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}
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}
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}
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private func updateDNS(_ choice: NetworkChoice) {
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networkChoices.dns = choice
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switch networkChoices.dns {
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case .client:
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if let settings = clientNetworkSettings {
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networkSettings.copyDNS(from: settings)
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}
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case .server:
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break
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case .manual:
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if let settings = profile?.manualNetworkSettings {
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networkSettings.copyDNS(from: settings)
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}
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}
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}
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private func updateProxy(_ choice: NetworkChoice) {
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networkChoices.proxy = choice
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switch networkChoices.proxy {
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case .client:
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if let settings = clientNetworkSettings {
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networkSettings.copyProxy(from: settings)
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}
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case .server:
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break
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case .manual:
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if let settings = profile?.manualNetworkSettings {
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networkSettings.copyProxy(from: settings)
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}
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}
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}
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private func commitTextField(_ field: UITextField) {
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// DNS: servers, domains
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// Proxy: address, port, PAC, bypass domains
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let text = field.text ?? ""
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if field.tag >= FieldTag.dnsAddress.rawValue && field.tag < FieldTag.dnsDomain.rawValue {
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let i = field.tag - FieldTag.dnsAddress.rawValue
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if let _ = networkSettings.dnsServers {
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networkSettings.dnsServers?[i] = text
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} else {
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networkSettings.dnsServers = [text]
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}
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} else if field.tag >= FieldTag.dnsDomain.rawValue && field.tag < FieldTag.proxyAddress.rawValue {
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let i = field.tag - FieldTag.dnsDomain.rawValue
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if let _ = networkSettings.dnsSearchDomains {
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networkSettings.dnsSearchDomains?[i] = text
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} else {
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networkSettings.dnsSearchDomains = [text]
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}
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} else if field.tag == FieldTag.proxyAddress.rawValue {
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networkSettings.proxyAddress = field.text
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} else if field.tag == FieldTag.proxyPort.rawValue {
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networkSettings.proxyPort = UInt16(field.text ?? "0")
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} else if field.tag == FieldTag.proxyAutoConfigurationURL.rawValue {
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if let string = field.text {
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networkSettings.proxyAutoConfigurationURL = URL(string: string)
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} else {
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networkSettings.proxyAutoConfigurationURL = nil
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}
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} else if field.tag >= FieldTag.proxyBypass.rawValue {
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let i = field.tag - FieldTag.proxyBypass.rawValue
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if let _ = networkSettings.proxyBypassDomains {
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networkSettings.proxyBypassDomains?[i] = text
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} else {
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networkSettings.proxyBypassDomains = [text]
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}
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}
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log.debug("Network settings: \(networkSettings)")
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}
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private func commitChanges() {
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let settings = profile?.manualNetworkSettings ?? ProfileNetworkSettings()
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profile?.networkChoices = networkChoices
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if networkChoices.gateway == .manual {
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settings.copyGateway(from: networkSettings)
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}
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if networkChoices.dns == .manual {
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settings.copyDNS(from: networkSettings)
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}
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if networkChoices.proxy == .manual {
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settings.copyProxy(from: networkSettings)
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}
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profile?.manualNetworkSettings = settings
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}
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}
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// MARK: -
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extension NetworkSettingsViewController {
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enum SectionType: Int {
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case choices
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case manualGateway
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case manualDNSServers
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case manualDNSDomains
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case manualProxy
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}
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enum RowType: Int {
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case gateway
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case dns
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case proxy
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case gatewayIPv4
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case gatewayIPv6
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case dnsAddress
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case dnsAddAddress
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case dnsDomain
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case dnsAddDomain
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case proxyAddress
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case proxyPort
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case proxyAutoConfigurationURL
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case proxyBypass
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case proxyAddBypass
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}
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override func numberOfSections(in tableView: UITableView) -> Int {
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return model.numberOfSections
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}
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override func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
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return model.header(forSection: section)
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}
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override func tableView(_ tableView: UITableView, titleForFooterInSection section: Int) -> String? {
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return model.footer(forSection: section)
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}
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override func tableView(_ tableView: UITableView, heightForHeaderInSection section: Int) -> CGFloat {
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return model.headerHeight(for: section)
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}
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override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
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return model.numberOfRows(forSection: section)
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}
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override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
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let row = model.row(at: indexPath)
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switch row {
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case .gateway:
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let cell = Cells.setting.dequeue(from: tableView, for: indexPath)
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cell.leftText = L10n.Core.NetworkSettings.Gateway.title
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cell.rightText = networkChoices.gateway.description
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return cell
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case .dns:
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let cell = Cells.setting.dequeue(from: tableView, for: indexPath)
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cell.leftText = L10n.Core.NetworkSettings.Dns.title
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cell.rightText = networkChoices.dns.description
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return cell
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case .proxy:
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let cell = Cells.setting.dequeue(from: tableView, for: indexPath)
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cell.leftText = L10n.Core.NetworkSettings.Proxy.title
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cell.rightText = networkChoices.proxy.description
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return cell
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case .gatewayIPv4:
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let cell = Cells.toggle.dequeue(from: tableView, for: indexPath, tag: row.rawValue, delegate: self)
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cell.caption = "IPv4"
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cell.toggle.isEnabled = (networkChoices.gateway == .manual)
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cell.isOn = networkSettings.gatewayPolicies?.contains(.IPv4) ?? false
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return cell
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case .gatewayIPv6:
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let cell = Cells.toggle.dequeue(from: tableView, for: indexPath, tag: row.rawValue, delegate: self)
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cell.caption = "IPv6"
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cell.toggle.isEnabled = (networkChoices.gateway == .manual)
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cell.isOn = networkSettings.gatewayPolicies?.contains(.IPv6) ?? false
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return cell
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case .dnsAddress:
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let i = indexPath.row - Offsets.dnsAddress
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let cell = Cells.field.dequeue(from: tableView, for: indexPath)
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cell.caption = L10n.Core.Global.Captions.address
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cell.field.tag = FieldTag.dnsAddress.rawValue + i
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cell.field.placeholder = L10n.Core.Global.Values.none
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cell.field.text = networkSettings.dnsServers?[i]
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cell.field.clearButtonMode = .always
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cell.field.keyboardType = .numbersAndPunctuation
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cell.captionWidth = 160.0
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cell.delegate = self
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cell.field.isEnabled = (networkChoices.dns == .manual)
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return cell
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case .dnsAddAddress:
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let cell = Cells.setting.dequeue(from: tableView, for: indexPath)
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cell.applyAction(.current)
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cell.leftText = L10n.App.NetworkSettings.Cells.AddDnsServer.caption
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return cell
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case .dnsDomain:
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let i = indexPath.row - Offsets.dnsDomain
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let cell = Cells.field.dequeue(from: tableView, for: indexPath)
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cell.caption = L10n.Core.NetworkSettings.Dns.Cells.Domain.caption
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cell.field.tag = FieldTag.dnsDomain.rawValue + i
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cell.field.placeholder = L10n.Core.Global.Values.none
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cell.field.text = networkSettings.dnsSearchDomains?[i]
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cell.field.clearButtonMode = .always
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cell.field.keyboardType = .asciiCapable
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cell.captionWidth = 160.0
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cell.delegate = self
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cell.field.isEnabled = (networkChoices.dns == .manual)
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return cell
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case .dnsAddDomain:
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let cell = Cells.setting.dequeue(from: tableView, for: indexPath)
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cell.applyAction(.current)
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cell.leftText = L10n.App.NetworkSettings.Cells.AddDnsDomain.caption
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return cell
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case .proxyAddress:
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let cell = Cells.field.dequeue(from: tableView, for: indexPath)
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cell.caption = L10n.Core.Global.Captions.address
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cell.field.tag = FieldTag.proxyAddress.rawValue
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cell.field.placeholder = L10n.Core.Global.Values.none
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cell.field.text = networkSettings.proxyAddress
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cell.field.clearButtonMode = .always
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cell.field.keyboardType = .numbersAndPunctuation
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cell.captionWidth = 160.0
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cell.delegate = self
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cell.field.isEnabled = (networkChoices.proxy == .manual)
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return cell
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case .proxyPort:
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let cell = Cells.field.dequeue(from: tableView, for: indexPath)
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cell.caption = L10n.Core.Global.Captions.port
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cell.field.tag = FieldTag.proxyPort.rawValue
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cell.field.placeholder = L10n.Core.Global.Values.none
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cell.field.text = networkSettings.proxyPort?.description
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cell.field.clearButtonMode = .always
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cell.field.keyboardType = .numberPad
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cell.captionWidth = 160.0
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cell.delegate = self
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cell.field.isEnabled = (networkChoices.proxy == .manual)
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return cell
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case .proxyAutoConfigurationURL:
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let cell = Cells.field.dequeue(from: tableView, for: indexPath)
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cell.caption = "PAC"
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cell.field.tag = FieldTag.proxyAutoConfigurationURL.rawValue
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cell.field.placeholder = L10n.Core.Global.Values.none
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cell.field.text = networkSettings.proxyAutoConfigurationURL?.absoluteString
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cell.field.clearButtonMode = .always
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cell.field.keyboardType = .asciiCapable
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cell.captionWidth = 160.0
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cell.delegate = self
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cell.field.isEnabled = (networkChoices.proxy == .manual)
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return cell
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case .proxyBypass:
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let i = indexPath.row - Offsets.proxyBypass
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let cell = Cells.field.dequeue(from: tableView, for: indexPath)
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cell.caption = L10n.App.NetworkSettings.Cells.ProxyBypass.caption
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cell.field.tag = FieldTag.proxyBypass.rawValue + i
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cell.field.placeholder = L10n.Core.Global.Values.none
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cell.field.text = networkSettings.proxyBypassDomains?[i]
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cell.field.clearButtonMode = .always
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cell.field.keyboardType = .asciiCapable
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cell.captionWidth = 160.0
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cell.delegate = self
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cell.field.isEnabled = (networkChoices.proxy == .manual)
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return cell
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case .proxyAddBypass:
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let cell = Cells.setting.dequeue(from: tableView, for: indexPath)
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cell.applyAction(.current)
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cell.leftText = L10n.App.NetworkSettings.Cells.AddProxyBypass.caption
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return cell
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}
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}
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override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
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let cell = tableView.cellForRow(at: indexPath)
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switch model.row(at: indexPath) {
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case .gateway:
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let vc = SingleOptionViewController<NetworkChoice>()
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vc.applyTint(.current)
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vc.title = (cell as? SettingTableViewCell)?.leftText
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vc.options = NetworkChoice.choices(for: profile)
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vc.descriptionBlock = { $0.description }
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vc.selectedOption = networkChoices.gateway
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vc.selectionBlock = { [weak self] in
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self?.updateGateway($0)
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self?.navigationController?.popViewController(animated: true)
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}
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navigationController?.pushViewController(vc, animated: true)
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case .dns:
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let vc = SingleOptionViewController<NetworkChoice>()
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vc.applyTint(.current)
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vc.title = (cell as? SettingTableViewCell)?.leftText
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vc.options = NetworkChoice.choices(for: profile)
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vc.descriptionBlock = { $0.description }
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vc.selectedOption = networkChoices.dns
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vc.selectionBlock = { [weak self] in
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self?.updateDNS($0)
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self?.navigationController?.popViewController(animated: true)
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}
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navigationController?.pushViewController(vc, animated: true)
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case .proxy:
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let vc = SingleOptionViewController<NetworkChoice>()
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vc.applyTint(.current)
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vc.title = (cell as? SettingTableViewCell)?.leftText
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vc.options = NetworkChoice.choices(for: profile)
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vc.descriptionBlock = { $0.description }
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vc.selectedOption = networkChoices.proxy
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vc.selectionBlock = { [weak self] in
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self?.updateProxy($0)
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self?.navigationController?.popViewController(animated: true)
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}
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navigationController?.pushViewController(vc, animated: true)
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case .dnsAddAddress:
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tableView.deselectRow(at: indexPath, animated: true)
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var dnsServers = networkSettings.dnsServers ?? []
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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)
|
|
|
|
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
|
|
}
|
|
}
|
|
}
|