396 lines
18 KiB
Swift
396 lines
18 KiB
Swift
// SPDX-FileCopyrightText: 2026 Kaede Akino
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// SPDX-License-Identifier: GPL-3.0-only
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import SwiftUI
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import TermindApplication
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import TermindDomain
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import TermindPresentation
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import TermindRemoteInfrastructure
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@Observable
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final class PortForwardingPageState {
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var query = ""
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var deleting: Set<UUID> = []
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var error: String?
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}
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struct PortForwardingPageView: ManagedCardPage {
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typealias SectionID = String
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typealias Item = PortForwardingRule
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@Environment(AppModel.self) private var app
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@Environment(WindowModel.self) private var window
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@Environment(VaultWorkEditingSession.self) private var editingSession
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@Bindable var state: PortForwardingPageState
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var managedSections: [ManagedCardSection<String, PortForwardingRule>] {
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[
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ManagedCardSection(
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id: "forwardings", title: String(localized: AppStrings.Navigation.portForwarding),
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items: app.forwardings.search(state.query), canAcceptDrop: false, showsWhenEmpty: false)
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]
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}
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var managedSelection: ManagedCardSelection<UUID> {
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ManagedCardSelection(
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selected: { Set(window.vaultSelection(for: .portForwarding).compactMap(\.forwardingID)) },
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update: { ids in
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window.setVaultSelection(
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app.forwardings.rules.filter { ids.contains($0.id) }.map { .forwarding($0.id) },
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for: .portForwarding)
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})
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}
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var managedCapabilities: ManagedCardCapabilities<String, UUID> {
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ManagedCardCapabilities(selection: .multiple, marqueeSelection: true)
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}
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var isManagedSourceEmpty: Bool { app.forwardings.rules.isEmpty }
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func managedHeader(for section: ManagedCardSection<String, Item>, isDropTarget: Bool) -> some View {
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CardSectionHeader(title: section.title, count: section.items.count)
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}
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func managedCard(for item: Item, context: ManagedCardItemContext<Item>) -> some View {
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card(
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item, selected: context.isSelected,
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select: { select(item, action: context.select) }, extend: context.extendSelection
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)
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.contextMenu {
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if context.actionItems.count > 1 {
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Button(AppStrings.Common.stop.swiftUIKey, systemImage: MenuSymbol.stop) {
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app.forwarding.stop(
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context.actionItems.filter { app.forwarding.state(for: $0.id).isActive }.map(\.id))
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}
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.disabled(!context.actionItems.contains { app.forwarding.state(for: $0.id).isActive })
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} else {
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if app.forwarding.state(for: item.id).isActive {
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Button(AppStrings.Common.stop.swiftUIKey, systemImage: MenuSymbol.stop) {
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app.forwarding.stop(item.id)
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}
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} else {
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Button(
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app.forwarding.state(for: item.id).isFailed
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? AppStrings.Common.retry.swiftUIKey : AppStrings.Forwarding.start.swiftUIKey,
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systemImage: MenuSymbol.start
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) { start(item) }.disabled(!canStart(item))
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}
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Menu(AppStrings.Common.copy.swiftUIKey, systemImage: MenuSymbol.copy) {
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Button(AppStrings.Forwarding.address.swiftUIKey, systemImage: MenuSymbol.copy) {
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copyToPasteboard(item.bindAddress)
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}
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Button(AppStrings.Vault.sshCommand.swiftUIKey, systemImage: MenuSymbol.ssh) {
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if let command = app.forwardings.sshCommand(for: item) {
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copyToPasteboard(command)
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}
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}
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.disabled(app.forwardings.sshCommand(for: item) == nil)
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}
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Divider()
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Button(AppStrings.Common.edit.swiftUIKey, systemImage: MenuSymbol.edit) { open(item) }
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Button(AppStrings.Common.duplicate.swiftUIKey, systemImage: MenuSymbol.duplicate) { duplicate(item) }
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}
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Divider()
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DestructiveMenuButton(AppStrings.Common.delete) {
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state.deleting = Set(context.actionItems.map(\.id))
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}
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}
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}
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func managedGhost(for item: Item) -> some View { card(item, selected: false, select: {}, extend: {}) }
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func managedBlankAreaMenu(for section: String?) -> [NativeMenuEntry] {
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window.creationMenu(for: .portForwarding, locale: .current)
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}
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func managedBlankAreaPrimaryAction() {
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guard let route = window.vaultWorkRoute, case .forwardingEditor = route else { return }
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editingSession.requestTransition(route: route, action: window.closeVaultWork)
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}
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func managedEmptyState() -> some View {
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ContentUnavailableView {
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Label(AppStrings.Forwarding.noPortForwarding.swiftUIKey, systemImage: "arrow.left.arrow.right")
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} description: {
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Text(AppStrings.Forwarding.createAForwardingRuleThenStartItManually)
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} actions: {
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Button(AppStrings.Forwarding.newForwarding.swiftUIKey) {
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window.openVaultWork(.forwardingEditor(nil), on: .portForwarding)
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}
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}
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}
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func managedNoResultsState() -> some View { ContentUnavailableView.search(text: state.query) }
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var managedPresentation: ManagedCardDeletionPresentation<UUID> {
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ManagedCardDeletionPresentation(
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deleting: $state.deleting, error: $state.error, ids: app.forwardings.rules.map(\.id),
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confirmationTitle: deletionTitle, errorTitle: AppStrings.Common.operationFailed,
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explanation: deletionExplanation,
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prune: { window.pruneVaultSelections(in: app.hostLibrary) },
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delete: {
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do { try app.forwardings.delete(state.deleting) } catch { state.error = error.localizedDescription }
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state.deleting = []
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})
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}
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private var deletionTitle: LocalizedStringResource {
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state.deleting.count == 1
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? AppStrings.Forwarding.deleteForwardingRuleConfirmation
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: AppStrings.Forwarding.deleteForwardingRulesConfirmationNamed(state.deleting.count)
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}
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private var deletionExplanation: Text {
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state.deleting.count == 1
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? Text(AppStrings.Forwarding.anyActiveForwardingSessionForThisRuleWillBeStopped)
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: Text(AppStrings.Forwarding.deleteActiveRulesWarning)
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}
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private func card(_ rule: Item, selected: Bool, select: @escaping () -> Void, extend: @escaping () -> Void)
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-> some View
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{
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let runtime = app.forwarding.state(for: rule.id)
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let activate = {
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if app.forwarding.state(for: rule.id).isActive { app.forwarding.stop(rule.id) } else { start(rule) }
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}
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return CardTile(
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selectionID: rule.id, isSelected: selected,
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select: select, extendSelection: extend, activate: activate, activatesOnReturn: true
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) {
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VStack(alignment: .leading, spacing: Metrics.Space.m) {
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HStack {
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CardIcon(symbol: rule.kind.symbol, tint: rule.colorTag.color ?? TermindColor.accent)
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VStack(alignment: .leading, spacing: 1) {
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Text(rule.displayName(hostName: app.hostLibrary.host(rule.hostID)?.name))
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.font(.headline).lineLimit(1)
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Text(rule.summary).font(.caption).foregroundStyle(.secondary)
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.lineLimit(1).truncationMode(.middle)
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}
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Spacer(minLength: 0)
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}
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HStack(spacing: Metrics.Space.xs) {
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CardChip(text: rule.kind.shortDisplayName)
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Text(
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app.hostLibrary.host(rule.hostID)?.name
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?? String(localized: AppStrings.Forwarding.hostUnavailable)
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)
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.font(.caption2).foregroundStyle(.secondary).lineLimit(1)
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Spacer(minLength: 0)
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CardChip(
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text: runtime.compactLabel, symbol: runtime.isActive ? "circle.fill" : "circle",
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tint: runtime.isActive ? .green : nil)
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}
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}
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}
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}
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private func canStart(_ rule: Item) -> Bool {
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PortForwardingEditorPolicy.canStart(
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rule.id, savedRule: rule, savedHost: app.hostLibrary.host(rule.hostID),
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isRuntimeActive: app.forwarding.state(for: rule.id).isActive)
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}
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private func select(_ rule: Item, action: @escaping () -> Void) {
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guard let route = window.vaultWorkRoute, case .forwardingEditor(let editingID) = route else {
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action()
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return
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}
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guard editingID != rule.id else {
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action()
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return
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}
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editingSession.requestTransition(route: route) {
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action()
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open(rule)
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}
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}
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private func open(_ rule: Item) { window.openVaultWork(.forwardingEditor(rule.id), on: .portForwarding) }
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private func start(_ rule: Item) {
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guard canStart(rule) else { return }
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open(rule)
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app.forwarding.start(rule.id)
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}
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private func duplicate(_ rule: Item) {
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var copy = rule
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copy.id = UUID()
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if !copy.label.isEmpty { copy.label += String(localized: AppStrings.Common.copySuffix) }
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do {
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open(try app.forwardings.save(copy))
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} catch { state.error = error.localizedDescription }
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}
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}
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struct PortForwardingDetailView: View {
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let ruleID: UUID?
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@Environment(AppModel.self) private var app
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@Environment(WindowModel.self) private var window
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@Environment(VaultWorkEditingSession.self) private var editingSession
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@Environment(\.accessibilityReduceMotion) private var reduceMotion
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@State private var draft: PortForwardingRule
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@State private var original: PortForwardingRule
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@State private var loaded = false
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@State private var error: String?
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@State private var deletionError: String?
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@State private var confirmsDeletion = false
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@State private var editingToken: UUID?
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init(ruleID: UUID?) {
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self.ruleID = ruleID
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let initial = PortForwardingRule(hostID: UUID())
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_draft = State(initialValue: initial)
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_original = State(initialValue: initial)
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}
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private var saved: PortForwardingRule? { ruleID.flatMap(app.forwardings.portForwarding) }
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private var runtime: PortForwardingRuntimeState { app.forwarding.state(for: draft.id) }
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private var normalized: PortForwardingRule? { PortForwardingEditorPolicy.normalized(draft) }
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private var canSave: Bool {
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!runtime.isActive && normalized != nil && app.hostLibrary.host(draft.hostID) != nil
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&& (ruleID == nil || saved != nil)
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}
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private var isDirty: Bool { draft != original }
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var body: some View {
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VaultDetailScaffold(
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title: ruleID == nil ? AppStrings.Forwarding.newForwarding : AppStrings.Forwarding.editForwarding,
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symbol: "arrow.left.arrow.right", close: cancelEditing, closeLabel: AppStrings.Common.cancel
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) {
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let context = app.forwarding.connection(for: draft.id)
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ZStack {
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if let context, context.journey.isPresented {
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journey(context)
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} else {
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Form {
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if ruleID != nil {
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Section {
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LabeledContent(AppStrings.Common.status.swiftUIKey, value: runtime.label)
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if runtime.isActive {
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Button(AppStrings.Common.stop.swiftUIKey) { app.forwarding.stop(draft.id) }
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} else {
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Button(
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runtime.isFailed
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? AppStrings.Common.retry.swiftUIKey
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: AppStrings.Forwarding.start.swiftUIKey
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) { app.forwarding.start(draft.id) }
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.disabled(
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saved == nil || normalized != saved || !canSave
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|| !PortForwardingEditorPolicy.canStart(
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draft.id, savedRule: saved,
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savedHost: app.hostLibrary.host(draft.hostID),
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isRuntimeActive: runtime.isActive)
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)
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}
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}
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}
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PortForwardingFields(rule: $draft, hosts: app.forwardings.hosts)
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.disabled(runtime.isActive)
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if let error { Text(error).foregroundStyle(.red) }
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if ruleID != nil && saved == nil {
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Text(AppStrings.Forwarding.theForwardingRuleIsUnavailable).foregroundStyle(.secondary)
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}
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}.formStyle(.grouped)
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.transition(.opacity)
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}
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}
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.animation(Motion.panel(reduceMotion: reduceMotion), value: context?.journey.isPresented ?? false)
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} footer: {
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HStack(spacing: Metrics.Space.m) {
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if ruleID != nil {
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Button(AppStrings.Common.delete.swiftUIKey, role: .destructive) { confirmsDeletion = true }
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}
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Spacer()
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Button(AppStrings.Common.cancel.swiftUIKey, action: cancelEditing)
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Button(AppStrings.Common.save.swiftUIKey, action: saveAndClose).buttonStyle(.borderedProminent)
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.keyboardShortcut(.defaultAction).disabled(!canSave)
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}.padding(Metrics.Space.l)
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}
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.onAppear {
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guard !loaded else { return }
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loaded = true
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if let saved {
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draft = saved
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original = saved
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}
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editingToken = editingSession.register(
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route: .forwardingEditor(ruleID), isDirty: { isDirty }
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) { commitChanges() }
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}
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.onDisappear {
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guard let editingToken else { return }
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editingSession.unregister(editingToken)
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}
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.confirmationDialog(
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AppStrings.Forwarding.deleteForwardingRuleConfirmation, isPresented: $confirmsDeletion,
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titleVisibility: .visible
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) {
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Button(AppStrings.Common.delete.swiftUIKey, role: .destructive, action: delete)
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Button(AppStrings.Common.cancel.swiftUIKey, role: .cancel) {}
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} message: {
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Text(AppStrings.Forwarding.anyActiveForwardingSessionForThisRuleWillBeStopped)
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}
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.alert(
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AppStrings.Common.operationFailed,
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isPresented: Binding(get: { deletionError != nil }, set: { if !$0 { deletionError = nil } })
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) {
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Button(AppStrings.Common.ok.swiftUIKey) { deletionError = nil }
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} message: {
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Text(deletionError ?? "")
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}
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}
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private func journey(_ context: PortForwardingConnection) -> some View {
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let promptID = context.authenticationPrompt?.id
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let hostKeyRequestID = context.hostKeyRequestID
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return ConnectionJourneyView(
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journey: context.journey, authenticationPrompt: context.authenticationPrompt,
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hostKey: context.connection.pendingHostKey,
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submitAuthentication: { identity, username, password, passphrase, key, save in
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guard let promptID else { return }
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app.forwarding.submitAuthentication(
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for: draft.id, promptID: promptID, identityID: identity,
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username: username, password: password, passphrase: passphrase, keyID: key, save: save)
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},
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continueHostKey: {
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guard let hostKeyRequestID else { return }
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app.forwarding.acceptHostKey(
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for: draft.id, requestID: hostKeyRequestID, observation: $0, remember: false)
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},
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trustHostKey: {
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guard let hostKeyRequestID else { return }
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app.forwarding.acceptHostKey(
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for: draft.id, requestID: hostKeyRequestID, observation: $0, remember: true)
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},
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denyHostKey: cancel, retry: { app.forwarding.retry(draft.id) }, cancel: cancel,
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securityKeySigning: context.connection.securityKeySigning,
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keyboardAuthentication: context.connection.keyboardAuthentication, cancelKeyboardAuthentication: cancel,
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isEmbedded: true)
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}
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private func cancel() {
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app.forwarding.stop(draft.id)
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window.closeVaultWork()
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}
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private func cancelEditing() {
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editingSession.requestCancellation(route: .forwardingEditor(ruleID), action: window.closeVaultWork)
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}
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private func commitChanges() -> Bool {
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guard isDirty else { return true }
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guard canSave, let normalized else {
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error = String(localized: AppStrings.Common.completeAllRequiredFieldsBeforeSaving)
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return false
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}
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do {
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let saved = try app.forwardings.save(normalized)
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draft = saved
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original = saved
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error = nil
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window.selectVaultItem(.forwarding(saved.id), on: .portForwarding)
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return true
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} catch {
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self.error = error.localizedDescription
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return false
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}
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}
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private func saveAndClose() {
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guard commitChanges() else { return }
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window.selectVaultItem(.forwarding(draft.id), on: .portForwarding)
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window.closeVaultWork()
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}
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private func delete() {
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guard let ruleID else { return }
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do {
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try app.forwardings.delete(ruleID)
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window.pruneVaultSelections(in: app.hostLibrary)
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window.closeVaultWork()
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} catch {
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deletionError = error.localizedDescription
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}
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}
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}
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