116 lines
3.5 KiB
Swift
116 lines
3.5 KiB
Swift
//
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// AddHostViewModel.swift
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// Passepartout
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//
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// Created by Davide De Rosa on 2/14/22.
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// Copyright (c) 2023 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 Foundation
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import PassepartoutLibrary
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import TunnelKitOpenVPN
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import TunnelKitWireGuard
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extension AddHostView {
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struct ViewModel: Equatable {
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private var isNamePreset = false
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var profileName = ""
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private(set) var requiresPassphrase = false
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var encryptionPassphrase = ""
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var processedProfile: Profile = .placeholder
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private(set) var errorMessage: String?
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var isAskingOverwrite = false
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mutating func presetName(withURL url: URL) {
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guard !isNamePreset else {
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return
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}
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isNamePreset = true
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profileName = url.filename
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}
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@MainActor
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mutating func processURL(
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_ url: URL,
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with profileManager: ProfileManager,
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replacingExisting: Bool,
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deletingURLOnSuccess: Bool
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) {
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profileName = profileName.stripped
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guard !profileName.isEmpty else {
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return
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}
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if !replacingExisting {
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guard !profileManager.isExistingProfile(withName: profileName) else {
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isAskingOverwrite = true
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return
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}
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}
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errorMessage = nil
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do {
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let profile = try profileManager.profile(
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withHeader: .init(name: profileName),
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fromURL: url,
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passphrase: encryptionPassphrase
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)
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processedProfile = profile
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if deletingURLOnSuccess {
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try? FileManager.default.removeItem(at: url)
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}
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} catch {
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if case Passepartout.ProfileError.decryptionFailure = error {
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requiresPassphrase = true
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} else {
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requiresPassphrase = false
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}
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setErrorMessage(for: error)
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}
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}
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@MainActor
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mutating func addProcessedProfile(to profileManager: ProfileManager) -> Bool {
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guard !processedProfile.isPlaceholder else {
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assertionFailure("Saving profile without processing first?")
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return false
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}
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errorMessage = nil
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profileManager.saveProfile(processedProfile, isActive: nil)
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return true
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}
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private mutating func setErrorMessage(for error: Error) {
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setErrorMessage(AppError(error).localizedDescription)
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}
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private mutating func setErrorMessage(_ message: String) {
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errorMessage = message.withTrailingDot
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}
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}
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}
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