passepartout-apple/Passepartout/App/iOS/Views/EndpointAdvancedView+OpenVP...

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Swift
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2022-04-12 13:09:14 +00:00
//
// EndpointAdvancedView+OpenVPN.swift
// Passepartout
//
// Created by Davide De Rosa on 3/8/22.
// Copyright (c) 2022 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 SwiftUI
import TunnelKitOpenVPN
import PassepartoutCore
extension EndpointAdvancedView {
struct OpenVPNView: View {
@Binding var builder: OpenVPN.ConfigurationBuilder
let isReadonly: Bool
let isServerPushed: Bool
var body: some View {
List {
let cfg = builder.build()
if isServerPushed {
ipv4Section
ipv6Section
}
dnsSection(configuration: cfg)
proxySection(configuration: cfg)
if !isReadonly {
communicationEditableSection
compressionEditableSection
} else {
communicationSection(configuration: cfg)
compressionSection(configuration: cfg)
}
if !isServerPushed {
tlsSection
}
otherSection(configuration: cfg)
}
}
}
}
extension EndpointAdvancedView.OpenVPNView {
private var ipv4Section: some View {
builder.ipv4.map { cfg in
Section(
header: Text(Unlocalized.Network.ipv4)
) {
themeLongContentLinkDefault(
L10n.Global.Strings.address,
content: .constant(builder.ipv4.localizedAddress)
)
themeLongContentLinkDefault(
L10n.NetworkSettings.Gateway.title,
content: .constant(builder.ipv4.localizedDefaultGateway)
)
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ForEach(cfg.routes, id: \.self) { route in
themeLongContentLinkDefault(
L10n.Endpoint.Advanced.Openvpn.Items.Route.caption,
content: .constant(route.localizedDescription)
)
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}
}
}
}
private var ipv6Section: some View {
builder.ipv6.map { cfg in
Section(
header: Text(Unlocalized.Network.ipv6)
) {
themeLongContentLinkDefault(
L10n.Global.Strings.address,
content: .constant(builder.ipv6.localizedAddress)
)
themeLongContentLinkDefault(
L10n.NetworkSettings.Gateway.title,
content: .constant(builder.ipv6.localizedDefaultGateway)
)
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ForEach(cfg.routes, id: \.self) { route in
themeLongContentLinkDefault(
L10n.Endpoint.Advanced.Openvpn.Items.Route.caption,
content: .constant(route.localizedDescription)
)
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}
}
}
}
private func communicationSection(configuration: OpenVPN.Configuration) -> some View {
configuration.communicationSettings.map { settings in
Section(
header: Text(L10n.Endpoint.Advanced.Openvpn.Sections.Communication.header)
) {
settings.cipher.map {
Text(L10n.Endpoint.Advanced.Openvpn.Items.Cipher.caption)
.withTrailingText($0.localizedDescription)
}
settings.digest.map {
Text(L10n.Endpoint.Advanced.Openvpn.Items.Digest.caption)
.withTrailingText($0.localizedDescription)
}
settings.xor.map {
Text(Unlocalized.VPN.xor)
.withTrailingText($0.localizedDescriptionAsXOR)
}
}
}
}
private var communicationEditableSection: some View {
Section(
header: Text(L10n.Endpoint.Advanced.Openvpn.Sections.Communication.header)
) {
themeTextPicker(
L10n.Endpoint.Advanced.Openvpn.Items.Cipher.caption,
selection: $builder.cipher ?? OpenVPN.Configuration.Fallback.cipher,
values: OpenVPN.Cipher.available,
description: \.localizedDescription
)
themeTextPicker(
L10n.Endpoint.Advanced.Openvpn.Items.Digest.caption,
selection: $builder.digest ?? OpenVPN.Configuration.Fallback.digest,
values: OpenVPN.Digest.available,
description: \.localizedDescription
)
builder.xorMask.map {
Text(Unlocalized.VPN.xor)
.withTrailingText($0.localizedDescriptionAsXOR)
}
}
}
private func compressionSection(configuration: OpenVPN.Configuration) -> some View {
configuration.compressionSettings.map { settings in
Section(
header: Text(L10n.Endpoint.Advanced.Openvpn.Sections.Compression.header)
) {
settings.framing.map {
Text(L10n.Endpoint.Advanced.Openvpn.Items.CompressionFraming.caption)
.withTrailingText($0.localizedDescription)
}
settings.algorithm.map {
Text(L10n.Endpoint.Advanced.Openvpn.Items.CompressionAlgorithm.caption)
.withTrailingText($0.localizedDescription)
}
}
}
}
private var compressionEditableSection: some View {
Section(
header: Text(L10n.Endpoint.Advanced.Openvpn.Sections.Compression.header)
) {
themeTextPicker(
L10n.Endpoint.Advanced.Openvpn.Items.CompressionFraming.caption,
selection: $builder.compressionFraming ?? OpenVPN.Configuration.Fallback.compressionFraming,
values: OpenVPN.CompressionFraming.available,
description: \.localizedDescription
)
themeTextPicker(
L10n.Endpoint.Advanced.Openvpn.Items.CompressionAlgorithm.caption,
selection: $builder.compressionAlgorithm ?? OpenVPN.Configuration.Fallback.compressionAlgorithm,
values: OpenVPN.CompressionAlgorithm.available,
description: \.localizedDescription
).disabled(builder.compressionFraming == .disabled)
}
}
private func dnsSection(configuration: OpenVPN.Configuration) -> some View {
configuration.dnsSettings.map { settings in
Section(
header: Text(Unlocalized.Network.dns)
) {
ForEach(settings.servers, id: \.self) {
Text(L10n.Global.Strings.address)
.withTrailingText($0, copyOnTap: true)
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}
ForEach(settings.domains, id: \.self) {
Text(L10n.Global.Strings.domain)
.withTrailingText($0, copyOnTap: true)
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}
}
}
}
private func proxySection(configuration: OpenVPN.Configuration) -> some View {
configuration.proxySettings.map { settings in
Section(
header: Text(L10n.Global.Strings.proxy)
) {
settings.proxy.map {
Text(L10n.Global.Strings.address)
.withTrailingText($0.rawValue, copyOnTap: true)
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}
settings.pac.map {
Text(Unlocalized.Network.proxyAutoConfiguration)
.withTrailingText($0.absoluteString, copyOnTap: true)
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}
ForEach(settings.bypass, id: \.self) {
Text(L10n.NetworkSettings.Items.ProxyBypass.caption)
.withTrailingText($0, copyOnTap: true)
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}
}
}
}
private var tlsSection: some View {
Section(
header: Text(Unlocalized.Network.tls)
) {
builder.ca.map { ca in
themeLongContentLink(
Unlocalized.VPN.certificateAuthority,
content: .constant(ca.pem)
)
}
builder.clientCertificate.map { cert in
themeLongContentLink(
L10n.Endpoint.Advanced.Openvpn.Items.Client.caption,
content: .constant(cert.pem)
)
}
builder.clientKey.map { key in
themeLongContentLink(
L10n.Endpoint.Advanced.Openvpn.Items.ClientKey.caption,
content: .constant(key.pem)
)
}
builder.tlsWrap.map { wrap in
themeLongContentLink(
L10n.Endpoint.Advanced.Openvpn.Items.TlsWrapping.caption,
content: .constant(wrap.key.hexString),
withPreview: builder.tlsWrap.localizedDescription
)
}
Text(L10n.Endpoint.Advanced.Openvpn.Items.Eku.caption)
.withTrailingText(builder.checksEKU.localizedDescriptionAsEKU)
}
}
private func otherSection(configuration: OpenVPN.Configuration) -> some View {
configuration.otherSettings.map { settings in
Section(
header: Text(L10n.Endpoint.Advanced.Openvpn.Sections.Other.header)
) {
settings.keepAlive.map {
Text(L10n.Global.Strings.keepalive)
.withTrailingText($0.localizedDescriptionAsKeepAlive)
}
settings.reneg.map {
Text(L10n.Endpoint.Advanced.Openvpn.Items.RenegotiationSeconds.caption)
.withTrailingText($0.localizedDescriptionAsRenegotiatesAfter)
}
settings.randomize.map {
Text(L10n.Endpoint.Advanced.Openvpn.Items.RandomEndpoint.caption)
.withTrailingText($0.localizedDescriptionAsRandomizeEndpoint)
}
}
}
}
}
extension OpenVPN.Configuration {
var communicationSettings: (cipher: OpenVPN.Cipher?, digest: OpenVPN.Digest?, xor: UInt8?)? {
guard cipher != nil || digest != nil || xorMask != nil else {
return nil
}
return (cipher, digest, xorMask)
}
var compressionSettings: (framing: OpenVPN.CompressionFraming?, algorithm: OpenVPN.CompressionAlgorithm?)? {
guard compressionFraming != nil || compressionAlgorithm != nil else {
return nil
}
return (compressionFraming, compressionAlgorithm)
}
var dnsSettings: (servers: [String], domains: [String])? {
guard !(dnsServers?.isEmpty ?? true) || !(searchDomains?.isEmpty ?? true) else {
return nil
}
return (dnsServers ?? [], searchDomains ?? [])
}
var proxySettings: (proxy: Proxy?, pac: URL?, bypass: [String])? {
guard httpsProxy != nil || httpProxy != nil || proxyAutoConfigurationURL != nil || !(proxyBypassDomains?.isEmpty ?? true) else {
return nil
}
return (httpsProxy ?? httpProxy, proxyAutoConfigurationURL, proxyBypassDomains ?? [])
}
var otherSettings: (keepAlive: TimeInterval?, reneg: TimeInterval?, randomize: Bool?)? {
guard keepAliveInterval != nil || renegotiatesAfter != nil || randomizeEndpoint != nil else {
return nil
}
return (keepAliveInterval, renegotiatesAfter, randomizeEndpoint)
}
}