passepartout-apple/Passepartout/App/Views/AddHostView.swift

190 lines
6.0 KiB
Swift

//
// AddHostView.swift
// Passepartout
//
// Created by Davide De Rosa on 3/18/22.
// 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 PassepartoutCore
import TunnelKitOpenVPN
import TunnelKitWireGuard
struct AddHostView: View {
@ObservedObject private var profileManager: ProfileManager
private let url: URL
private let deletingURLOnSuccess: Bool
private let bindings: AddProfileView.Bindings
@State private var viewModel = ViewModel()
@State private var isEnteringCredentials = false
init(
url: URL,
deletingURLOnSuccess: Bool,
bindings: AddProfileView.Bindings
) {
profileManager = .shared
self.url = url
self.deletingURLOnSuccess = deletingURLOnSuccess
self.bindings = bindings
}
var body: some View {
ZStack {
hiddenAccountLink
List {
if viewModel.processedProfile.isPlaceholder {
processingView
} else {
completeView
}
}.themeAnimation(on: viewModel)
}.toolbar {
themeCloseItem(isPresented: bindings.$isPresented)
ToolbarItem(placement: .primaryAction) {
Button(nextString) {
if !viewModel.processedProfile.isPlaceholder {
saveProfile()
} else {
processProfile(replacingExisting: false)
}
}
}
}.alert(isPresented: $viewModel.isAskingOverwrite, content: alertOverwriteExistingProfile)
.onAppear(perform: requestResourcePermissions)
.onDisappear(perform: dropResourcePermissions)
.navigationTitle(L10n.AddProfile.Shared.title)
.themeSecondaryView()
}
@ViewBuilder
private var processingView: some View {
AddProfileView.ProfileNameSection(
profileName: $viewModel.profileName,
errorMessage: viewModel.errorMessage
) {
processProfile(replacingExisting: false)
}.onAppear {
viewModel.presetName(withURL: url)
}
if viewModel.requiresPassphrase {
encryptionSection
}
let headers = profileManager.headers.sorted()
if !headers.isEmpty {
AddProfileView.ExistingProfilesSection(
headers: headers,
profileName: $viewModel.profileName
)
}
}
private var encryptionSection: some View {
Section(
header: Text(L10n.Global.Strings.encryption)
) {
SecureField(L10n.AddProfile.Host.Sections.Encryption.footer, text: $viewModel.encryptionPassphrase) {
processProfile(replacingExisting: false)
}
}
}
private var completeView: some View {
Section(
footer: themeErrorMessage(viewModel.errorMessage)
) {
Text(L10n.Global.Strings.name)
.withTrailingText(viewModel.processedProfile.header.name)
Text(Unlocalized.Network.url)
.withTrailingText(url.lastPathComponent)
viewModel.processedProfile.vpnProtocols.first.map {
Text(L10n.Global.Strings.protocol)
.withTrailingText($0.description)
}
}
}
private var hiddenAccountLink: some View {
NavigationLink("", isActive: $isEnteringCredentials) {
AddProfileView.AccountWrapperView(
profile: $viewModel.processedProfile,
bindings: bindings
)
}
}
private var nextString: String {
if !viewModel.processedProfile.isPlaceholder {
return viewModel.processedProfile.requiresCredentials ? L10n.Global.Strings.next : L10n.Global.Strings.save
} else {
return L10n.Global.Strings.next
}
}
private func requestResourcePermissions() {
_ = url.startAccessingSecurityScopedResource()
}
private func dropResourcePermissions() {
url.stopAccessingSecurityScopedResource()
}
private func alertOverwriteExistingProfile() -> Alert {
return Alert(
title: Text(L10n.AddProfile.Shared.title),
message: Text(L10n.AddProfile.Shared.Alerts.Overwrite.message),
primaryButton: .destructive(Text(L10n.Global.Strings.ok)) {
processProfile(replacingExisting: true)
},
secondaryButton: .cancel(Text(L10n.Global.Strings.cancel))
)
}
private func processProfile(replacingExisting: Bool) {
viewModel.processURL(
url,
with: profileManager,
replacingExisting: replacingExisting,
deletingURLOnSuccess: deletingURLOnSuccess
)
}
private func saveProfile() {
let result = viewModel.addProcessedProfile(to: profileManager)
guard result else {
return
}
let profile = viewModel.processedProfile
if profile.requiresCredentials {
isEnteringCredentials = true
} else {
bindings.isPresented = false
profileManager.didCreateProfile.send(profile)
}
}
}