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

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//
// VPNToggle.swift
// Passepartout
//
// Created by Davide De Rosa on 4/26/22.
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// Copyright (c) 2023 Davide De Rosa. All rights reserved.
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//
// 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/>.
//
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import PassepartoutLibrary
import SwiftUI
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struct VPNToggle: View {
@ObservedObject private var profileManager: ProfileManager
@ObservedObject private var vpnManager: VPNManager
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@ObservedObject private var currentVPNState: ObservableVPNState
@ObservedObject private var productManager: ProductManager
private let profile: Profile
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@Binding private var interactiveProfile: Profile?
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private let rateLimit: Int
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private var isEnabled: Binding<Bool> {
.init {
isActiveProfile && currentVPNState.isEnabled && !shouldPromptForAccount
} set: { newValue in
guard !shouldPromptForAccount else {
interactiveProfile = profile
return
}
guard newValue else {
disableVPN()
return
}
enableVPN()
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}
}
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private var isActiveProfile: Bool {
profileManager.isActiveProfile(profile.id)
}
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private var shouldPromptForAccount: Bool {
profile.account.authenticationMethod == .interactive && (currentVPNState.vpnStatus == .disconnecting || currentVPNState.vpnStatus == .disconnected)
}
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private var isEligibleForSiri: Bool {
productManager.isEligible(forFeature: .siriShortcuts)
}
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@State private var canToggle = true
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init(profile: Profile, interactiveProfile: Binding<Profile?>, rateLimit: Int) {
profileManager = .shared
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vpnManager = .shared
currentVPNState = .shared
productManager = .shared
self.profile = profile
_interactiveProfile = interactiveProfile
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self.rateLimit = rateLimit
}
var body: some View {
Toggle(L10n.Global.Strings.enabled, isOn: isEnabled)
.disabled(!canToggle)
.themeAnimation(on: currentVPNState.isEnabled)
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}
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private func enableVPN() {
Task { @MainActor in
canToggle = false
await Task.maybeWait(forMilliseconds: rateLimit)
canToggle = true
do {
let profile = try await vpnManager.connect(with: profile.id)
donateIntents(withProfile: profile)
} catch {
pp_log.warning("Unable to connect to profile \(profile.id): \(error)")
canToggle = true
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ErrorHandler.shared.handle(error, title: profile.header.name)
}
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}
}
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private func disableVPN() {
Task { @MainActor in
canToggle = false
await vpnManager.disable()
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canToggle = true
}
}
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private func donateIntents(withProfile profile: Profile) {
// eligibility: donate intents if eligible for Siri
guard isEligibleForSiri else {
return
}
pp_log.debug("Donating connection intents...")
IntentDispatcher.donateEnableVPN()
IntentDispatcher.donateDisableVPN()
IntentDispatcher.donateConnection(
with: profile,
providerManager: ProviderManager.shared
)
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}
}