317 lines
10 KiB
Swift
317 lines
10 KiB
Swift
//
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// ConfigurationViewController.swift
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// Passepartout
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//
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// Created by Davide De Rosa on 5/31/19.
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// Copyright (c) 2021 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 Cocoa
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import PassepartoutConstants
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import PassepartoutCore
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import TunnelKitOpenVPN
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class ConfigurationViewController: NSViewController, ProfileCustomization {
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private struct Columns {
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static let name = NSUserInterfaceItemIdentifier("Name")
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static let value = NSUserInterfaceItemIdentifier("Value")
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}
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@IBOutlet private weak var labelPresetCaption: NSTextField!
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@IBOutlet private weak var popupPreset: NSPopUpButton!
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@IBOutlet private weak var tableConfiguration: NSTableView!
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private lazy var allPresets: [InfrastructurePreset] = {
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guard let providerProfile = profile as? ProviderConnectionProfile else {
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return []
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}
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let infra = providerProfile.infrastructure
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return providerProfile.pool?.supportedPresetIds(in: infra).map {
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return infra.preset(for: $0)!
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} ?? []
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}()
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private var preset: InfrastructurePreset? {
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didSet {
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guard let preset = preset else {
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return
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}
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configuration = preset.configuration.sessionConfiguration.builder()
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}
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}
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private var configuration = OpenVPN.ConfigurationBuilder()
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private let rows: [RowType] = [
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.cipher,
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.digest,
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.xorMask,
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.compressionFraming,
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.compressionAlgorithm,
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.client,
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.tlsWrapping,
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.eku,
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.keepAlive,
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.renegSeconds,
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.randomEndpoint
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]
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private var rowMenus: [RowType: NSMenu] = [:]
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// MARK: ProfileCustomization
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var profile: ConnectionProfile? {
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didSet {
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if let providerProfile = profile as? ProviderConnectionProfile {
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preset = providerProfile.preset
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} else if let hostProfile = profile as? HostConnectionProfile {
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configuration = hostProfile.parameters.sessionConfiguration.builder()
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}
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}
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}
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weak var delegate: ProfileCustomizationDelegate?
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override func viewDidLoad() {
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super.viewDidLoad()
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labelPresetCaption.stringValue = L10n.Service.Cells.Provider.Preset.caption.asCaption
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popupPreset.removeAllItems()
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if !allPresets.isEmpty {
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for preset in allPresets {
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popupPreset.addItem(withTitle: preset.name)
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}
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} else {
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popupPreset.addItem(withTitle: L10n.Global.Values.default)
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popupPreset.isEnabled = false
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}
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reloadModel()
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}
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private func reloadModel() {
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if let index = allPresets.firstIndex(where: { $0.id == preset?.id }) {
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popupPreset.selectItem(at: index)
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}
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var availableCiphers: [OpenVPN.Cipher]
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let availableDigests: [OpenVPN.Digest]
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let availableCF: [OpenVPN.CompressionFraming]
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let availableCA: [OpenVPN.CompressionAlgorithm]
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if let _ = profile as? HostConnectionProfile {
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availableCiphers = configuration.dataCiphers ?? []
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if !availableCiphers.isEmpty {
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if let cipher = configuration.cipher, !availableCiphers.contains(cipher) {
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availableCiphers.append(cipher)
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}
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} else {
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availableCiphers.append(contentsOf: OpenVPN.Cipher.available)
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}
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availableDigests = OpenVPN.Digest.available
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availableCF = OpenVPN.CompressionFraming.available
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availableCA = OpenVPN.CompressionAlgorithm.available
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} else {
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availableCiphers = [configuration.fallbackCipher]
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availableDigests = [configuration.fallbackDigest]
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availableCF = [configuration.fallbackCompressionFraming]
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availableCA = [configuration.fallbackCompressionAlgorithm]
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}
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// editable
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rowMenus[.cipher] = NSMenu.withDescriptibles(availableCiphers)
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rowMenus[.digest] = NSMenu.withDescriptibles(availableDigests)
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rowMenus[.compressionFraming] = NSMenu.withDescriptibles(availableCF)
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rowMenus[.compressionAlgorithm] = NSMenu.withDescriptibles(availableCA)
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// single-option menus (unselectable)
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rowMenus[.client] = NSMenu.withString(configuration.uiDescriptionForClientCertificate)
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rowMenus[.tlsWrapping] = NSMenu.withString(configuration.uiDescriptionForTLSWrap)
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rowMenus[.eku] = NSMenu.withString(configuration.uiDescriptionForEKU)
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rowMenus[.keepAlive] = NSMenu.withString(configuration.uiDescriptionForKeepAlive)
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rowMenus[.renegSeconds] = NSMenu.withString(configuration.uiDescriptionForRenegotiatesAfter)
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rowMenus[.randomEndpoint] = NSMenu.withString(configuration.uiDescriptionForRandomizeEndpoint)
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rowMenus[.xorMask] = NSMenu.withString(configuration.uiDescriptionForXOR)
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}
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// MARK: Actions
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@IBAction private func selectPreset(_ sender: Any?) {
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let preset = allPresets[popupPreset.indexOfSelectedItem]
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self.preset = preset
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reloadModel()
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delegate?.profileCustomization(self, didUpdatePreset: preset)
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tableConfiguration.reloadData()
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}
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}
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extension ConfigurationViewController: NSTableViewDataSource, NSTableViewDelegate {
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enum RowType: Int {
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// case resetOriginal
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case cipher
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case digest
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case compressionFraming
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case compressionAlgorithm
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case client
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case tlsWrapping
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case eku
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case keepAlive
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case renegSeconds
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case randomEndpoint
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case xorMask
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}
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func numberOfRows(in tableView: NSTableView) -> Int {
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return rows.count
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}
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func tableView(_ tableView: NSTableView, objectValueFor tableColumn: NSTableColumn?, row: Int) -> Any? {
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let V = L10n.Configuration.Cells.self
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let rowObject = rows[row]
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switch tableColumn?.identifier {
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case Columns.name:
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switch rowObject {
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case .cipher:
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return V.Cipher.caption
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case .digest:
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return V.Digest.caption
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case .compressionFraming:
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return V.CompressionFraming.caption
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case .compressionAlgorithm:
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return V.CompressionAlgorithm.caption
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case .client:
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return V.Client.caption
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case .tlsWrapping:
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return V.TlsWrapping.caption
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case .eku:
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return V.Eku.caption
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case .keepAlive:
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return V.KeepAlive.caption
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case .renegSeconds:
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return V.RenegotiationSeconds.caption
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case .randomEndpoint:
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return V.RandomEndpoint.caption
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case .xorMask:
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return "XOR"
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}
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case Columns.value:
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guard let menu = rowMenus[rowObject], let cell = tableColumn?.dataCell(forRow: row) as? NSPopUpButtonCell else {
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break
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}
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cell.menu = menu
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cell.imageDimsWhenDisabled = false
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if menu.numberOfItems > 1 {
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cell.arrowPosition = .arrowAtBottom
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cell.isEnabled = true
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} else {
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cell.arrowPosition = .noArrow
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cell.isEnabled = false
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}
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switch rowObject {
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case .cipher:
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return menu.indexOfItem(withRepresentedObject: configuration.fallbackCipher)
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case .digest:
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return menu.indexOfItem(withRepresentedObject: configuration.fallbackDigest)
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case .compressionFraming:
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return menu.indexOfItem(withRepresentedObject: configuration.fallbackCompressionFraming)
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case .compressionAlgorithm:
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return menu.indexOfItem(withRepresentedObject: configuration.fallbackCompressionAlgorithm)
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default:
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return 0
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}
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default:
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break
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}
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return nil
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}
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func tableView(_ tableView: NSTableView, setObjectValue object: Any?, for tableColumn: NSTableColumn?, row: Int) {
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switch tableColumn?.identifier {
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case Columns.value:
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let rowObject = rows[row]
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guard let menu = rowMenus[rowObject], let optionIndex = object as? Int else {
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return
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}
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let optionObject = menu.item(at: optionIndex)?.representedObject
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switch rowObject {
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case .cipher:
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configuration.cipher = optionObject as? OpenVPN.Cipher
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case .digest:
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configuration.digest = optionObject as? OpenVPN.Digest
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case .compressionFraming:
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guard let option = optionObject as? OpenVPN.CompressionFraming else {
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return
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}
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configuration.compressionFraming = option
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if option == .disabled {
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configuration.compressionAlgorithm = .disabled
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}
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case .compressionAlgorithm:
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guard let option = optionObject as? OpenVPN.CompressionAlgorithm else {
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return
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}
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if configuration.compressionFraming == .disabled && option != .disabled {
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configuration.compressionFraming = .compLZO
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}
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configuration.compressionAlgorithm = option
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default:
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break
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}
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delegate?.profileCustomization(self, didUpdateConfiguration: configuration)
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default:
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break
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}
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}
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}
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