mirror of
https://github.com/mauriceboe/TREK.git
synced 2026-11-13 15:51:00 +00:00
Maurice
2f03554a60
A PDF, image or document opened in the app went straight to the share sheet. It now opens in Quick Look on iOS, to page through and zoom with its own share button, and in the app that views its type on Android. An app without the viewer (feature filePreview), or a type nothing on the device shows, gets the share sheet as before.
1015 lines
43 KiB
Swift
1015 lines
43 KiB
Swift
import AuthenticationServices
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import Capacitor
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import CoreLocation
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import CryptoKit
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import Security
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import StoreKit
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import UserNotifications
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import WidgetKit
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#if canImport(ActivityKit)
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import ActivityKit
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#endif
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import LocalAuthentication
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import PassKit
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import QuickLook
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import UIKit
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import WebKit
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/// The native half of client/src/native/trekShell.ts.
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@objc(TrekShellPlugin)
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public class TrekShellPlugin: CAPPlugin, CAPBridgedPlugin, ASWebAuthenticationPresentationContextProviding {
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public let identifier = "TrekShellPlugin"
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public let jsName = "TrekShell"
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public let pluginMethods: [CAPPluginMethod] = [
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CAPPluginMethod(name: "getServer", returnType: CAPPluginReturnPromise),
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CAPPluginMethod(name: "setServer", returnType: CAPPluginReturnPromise),
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CAPPluginMethod(name: "resetServer", returnType: CAPPluginReturnPromise),
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CAPPluginMethod(name: "reload", returnType: CAPPluginReturnPromise),
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CAPPluginMethod(name: "authenticate", returnType: CAPPluginReturnPromise),
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CAPPluginMethod(name: "refreshOfflineCopy", returnType: CAPPluginReturnPromise),
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CAPPluginMethod(name: "openOfflineCopy", returnType: CAPPluginReturnPromise),
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CAPPluginMethod(name: "getCapabilities", returnType: CAPPluginReturnPromise),
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CAPPluginMethod(name: "getTileCacheUsage", returnType: CAPPluginReturnPromise),
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CAPPluginMethod(name: "clearTileCache", returnType: CAPPluginReturnPromise),
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CAPPluginMethod(name: "biometryInfo", returnType: CAPPluginReturnPromise),
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CAPPluginMethod(name: "authenticateBiometric", returnType: CAPPluginReturnPromise),
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CAPPluginMethod(name: "setPrivacyCover", returnType: CAPPluginReturnPromise),
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CAPPluginMethod(name: "startLocation", returnType: CAPPluginReturnPromise),
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CAPPluginMethod(name: "stopLocation", returnType: CAPPluginReturnPromise),
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CAPPluginMethod(name: "takeSharedFile", returnType: CAPPluginReturnPromise),
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CAPPluginMethod(name: "registerPush", returnType: CAPPluginReturnPromise),
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CAPPluginMethod(name: "takeOpenedPush", returnType: CAPPluginReturnPromise),
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CAPPluginMethod(name: "setWidgetSnapshot", returnType: CAPPluginReturnPromise),
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CAPPluginMethod(name: "syncTripDay", returnType: CAPPluginReturnPromise),
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CAPPluginMethod(name: "endTripDay", returnType: CAPPluginReturnPromise),
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CAPPluginMethod(name: "storeProducts", returnType: CAPPluginReturnPromise),
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CAPPluginMethod(name: "storePurchase", returnType: CAPPluginReturnPromise),
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CAPPluginMethod(name: "storeFinish", returnType: CAPPluginReturnPromise),
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CAPPluginMethod(name: "storeRestore", returnType: CAPPluginReturnPromise),
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CAPPluginMethod(name: "addToWallet", returnType: CAPPluginReturnPromise),
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CAPPluginMethod(name: "setWatchSnapshot", returnType: CAPPluginReturnPromise),
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CAPPluginMethod(name: "takeWatchActions", returnType: CAPPluginReturnPromise),
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CAPPluginMethod(name: "setKeyCommands", returnType: CAPPluginReturnPromise),
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CAPPluginMethod(name: "setQuickActions", returnType: CAPPluginReturnPromise),
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CAPPluginMethod(name: "takeQuickAction", returnType: CAPPluginReturnPromise),
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CAPPluginMethod(name: "requestServer", returnType: CAPPluginReturnPromise),
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CAPPluginMethod(name: "clientCertificate", returnType: CAPPluginReturnPromise),
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CAPPluginMethod(name: "importClientCertificate", returnType: CAPPluginReturnPromise),
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CAPPluginMethod(name: "removeClientCertificate", returnType: CAPPluginReturnPromise),
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CAPPluginMethod(name: "previewFile", returnType: CAPPluginReturnPromise),
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]
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/// What this binary offers the server's UI, raised with every native feature
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/// an older binary lacks. The UI asks before it calls (native/capabilities.ts),
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/// and a server can require a minimum (minNativeShellApi in /api/health/features).
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static let shellApi = 2
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/// The native features by name, so the UI can turn each on by itself.
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/// "watch" only where WatchConnectivity is (an iPhone, not an iPad), so the UI never
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/// builds a snapshot for nothing; "wallet" only where Wallet can take a pass (an
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/// iPhone: an iPad has no Wallet app), so the UI offers no button that does nothing.
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static var features: [String] {
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var names = ["capabilities", "edgeBack", "tileCache", "biometricLock", "geolocation", "sharedFiles", "nativePush", "widgets", "liveActivity", "widgetTrips", "storeKit", "shareSheet", "keyCommands", "quickActions", "clientCertificate", "filePreview"]
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if canAddWalletPasses { names.append("wallet") }
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if TrekWatchLink.isAvailable { names.append("watch") }
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return names
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}
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/// Whether this device can add a pass to Apple Wallet (an iPhone; not an iPad).
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static var canAddWalletPasses: Bool {
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PKPassLibrary.isPassLibraryAvailable() && PKAddPassesViewController.canAddPasses()
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}
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// MARK: - Shared booking documents
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override public func load() {
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TrekSharedFiles.onReceive = { [weak self] file in
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DispatchQueue.main.async { self?.notifyListeners("sharedFile", data: file) }
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}
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TrekPush.shared.onOpen = { [weak self] url in
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DispatchQueue.main.async { self?.notifyListeners("pushOpened", data: ["url": url]) }
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}
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TrekStore.watchUpdates()
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TrekWatchLink.shared.onAction = { [weak self] in self?.notifyListeners("watchAction", data: [:]) }
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TrekKeyCommands.onPress = { [weak self] id in
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self?.notifyListeners("keyCommand", data: ["id": id])
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}
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TrekQuickActions.onOpen = { [weak self] path in
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DispatchQueue.main.async { self?.notifyListeners("quickAction", data: ["path": path]) }
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}
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}
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// MARK: - Quick actions on the app icon
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/// The app icon's quick actions, in the UI's language (TrekQuickActions).
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@objc func setQuickActions(_ call: CAPPluginCall) {
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let items = (call.getArray("items", JSObject.self) ?? []).compactMap { TrekQuickActions.Item(raw: $0) }
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DispatchQueue.main.async {
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TrekQuickActions.set(items)
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call.resolve()
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}
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}
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/// The quick action the app was launched with, before the UI was there to hear of it.
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@objc func takeQuickAction(_ call: CAPPluginCall) {
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DispatchQueue.main.async {
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if let path = TrekQuickActions.take() {
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call.resolve(["path": path])
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} else {
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call.resolve(["path": NSNull()])
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}
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}
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}
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// MARK: - Hardware keyboard
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/// The UI's keyboard shortcuts for the screen it shows (mobile/keyboard),
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/// named in its language, as key commands in the app's menu.
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@objc func setKeyCommands(_ call: CAPPluginCall) {
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let raw = call.getArray("commands", JSObject.self) ?? []
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let commands = raw.compactMap { TrekKeyCommands.Command(raw: $0) }
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DispatchQueue.main.async {
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TrekKeyCommands.set(commands)
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call.resolve()
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}
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}
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// MARK: - Widgets and the travel-day Live Activity
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/// Stores what the home-screen widget shows (native/widgets.ts builds it, texts
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/// already translated) where the widget extension reads it, and redraws it.
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/// `key` (feature widgetTrips) stores one trip's snapshot ("trip.<id>") or the
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/// list of trips a widget can be set to ("trips"); without it, the dashboard's.
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@objc func setWidgetSnapshot(_ call: CAPPluginCall) {
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guard let json = call.getString("json"), let data = json.data(using: .utf8) else {
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call.reject("json is required")
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return
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}
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let key = call.getString("key") ?? "snapshot"
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guard key == "snapshot" || key == "trips" || key.range(of: "^trip\\.[0-9]{1,12}$", options: .regularExpression) != nil else {
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call.reject("key must be snapshot, trips or trip.<id>")
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return
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}
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TrekSharedKeychain.write("widget.\(key)", data)
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WidgetCenter.shared.reloadAllTimelines()
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call.resolve()
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}
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/// Starts the travel day's Live Activity, or updates the one running.
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@objc func syncTripDay(_ call: CAPPluginCall) {
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guard let title = call.getString("tripTitle"), let path = call.getString("path"),
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let dayLabel = call.getString("dayLabel"), let nextName = call.getString("nextName") else {
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call.reject("tripTitle, path, dayLabel and nextName are required")
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return
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}
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#if canImport(ActivityKit)
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if #available(iOS 16.2, *) {
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guard ActivityAuthorizationInfo().areActivitiesEnabled else {
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call.resolve(["running": false])
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return
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}
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let state = TripDayAttributes.ContentState(
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dayLabel: dayLabel,
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nextName: nextName,
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nextTime: call.getString("nextTime"),
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done: call.getInt("done") ?? 0,
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total: call.getInt("total") ?? 0
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)
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// Stale at the end of the day, so a forgotten one fades out on its own.
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let stale = Calendar.current.startOfDay(for: Date().addingTimeInterval(86_400))
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let content = ActivityContent(state: state, staleDate: stale)
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if let running = Activity<TripDayAttributes>.activities.first(where: { $0.attributes.path == path }) {
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Task { await running.update(content) }
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} else {
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for other in Activity<TripDayAttributes>.activities {
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Task { await other.end(nil, dismissalPolicy: .immediate) }
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}
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_ = try? Activity.request(attributes: TripDayAttributes(tripTitle: title, path: path), content: content)
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}
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call.resolve(["running": true])
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return
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}
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#endif
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call.resolve(["running": false])
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}
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@objc func endTripDay(_ call: CAPPluginCall) {
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#if canImport(ActivityKit)
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if #available(iOS 16.2, *) {
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for activity in Activity<TripDayAttributes>.activities {
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Task { await activity.end(nil, dismissalPolicy: .immediate) }
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}
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}
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#endif
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call.resolve()
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}
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// MARK: - Apple Watch
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/// Passes what the watch app shows (native/watch.ts builds it) on to the watch.
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@objc func setWatchSnapshot(_ call: CAPPluginCall) {
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guard TrekWatchLink.isAvailable else {
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call.resolve()
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return
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}
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guard let json = call.getString("json"), let data = json.data(using: .utf8) else {
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call.reject("json is required")
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return
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}
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TrekWatchLink.shared.publish(data)
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call.resolve()
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}
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/// The packing items and to-dos ticked on the watch since the last call, oldest first.
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@objc func takeWatchActions(_ call: CAPPluginCall) {
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call.resolve(["actions": TrekWatchLink.shared.takeActions()])
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}
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// MARK: - Push
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/// Asks for permission, registers with APNs and answers with a Web Push
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/// subscription the server stores like a browser's (native/push.ts): the
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/// relay endpoint for this device's token, and this device's keys, which the
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/// notification extension uses to decrypt.
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@objc func registerPush(_ call: CAPPluginCall) {
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TrekPush.shared.register { result in
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switch result {
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case .success(let subscription): call.resolve(subscription)
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case .failure(let error):
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let code = (error as? TrekPush.PushError) == .denied ? "DENIED" : "FAILED"
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call.reject(error.localizedDescription, code)
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}
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}
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}
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/// The notification the app was opened from, before the UI was there to hear of it.
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@objc func takeOpenedPush(_ call: CAPPluginCall) {
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if let url = TrekPush.shared.takeOpened() {
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call.resolve(["url": url])
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} else {
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call.resolve(["url": NSNull()])
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}
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}
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/// The document shared to TREK before the UI was there to hear of it.
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@objc func takeSharedFile(_ call: CAPPluginCall) {
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if let file = TrekSharedFiles.take() {
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call.resolve(["file": file])
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} else {
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call.resolve(["file": NSNull()])
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}
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}
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// MARK: - Location
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/// One CoreLocation stream for the UI's navigator.geolocation (native/geolocation.ts).
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/// The WebView's own asks for every server origin, and again and again; this
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/// is the one system prompt the app's location string describes.
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private lazy var location = TrekLocation { [weak self] payload in
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self?.notifyListeners("location", data: payload)
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}
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@objc func startLocation(_ call: CAPPluginCall) {
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DispatchQueue.main.async {
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self.location.start(highAccuracy: call.getBool("highAccuracy") ?? false)
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call.resolve()
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}
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}
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@objc func stopLocation(_ call: CAPPluginCall) {
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DispatchQueue.main.async {
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self.location.stop()
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call.resolve()
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}
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}
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// MARK: - App lock
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/// Which biometry the device offers for the app lock, if any.
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@objc func biometryInfo(_ call: CAPPluginCall) {
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let context = LAContext()
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var error: NSError?
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let available = context.canEvaluatePolicy(.deviceOwnerAuthentication, error: &error)
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let type: String
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switch context.biometryType {
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case .faceID: type = "faceID"
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case .touchID: type = "touchID"
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default: type = "none"
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}
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call.resolve(["available": available, "type": type])
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}
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/// Face ID / Touch ID with the passcode as the way out, the way system apps
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/// lock. Rejects with CANCELLED when the user backs out.
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@objc func authenticateBiometric(_ call: CAPPluginCall) {
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let reason = call.getString("reason") ?? "Unlock TREK"
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let context = LAContext()
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context.evaluatePolicy(.deviceOwnerAuthentication, localizedReason: reason) { ok, error in
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if ok {
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call.resolve(["ok": true])
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} else if let laError = error as? LAError, [.userCancel, .appCancel, .systemCancel].contains(laError.code) {
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call.reject("Unlock cancelled", "CANCELLED")
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} else {
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call.reject(error?.localizedDescription ?? "Unlock failed", "FAILED")
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}
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}
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}
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/// While on, the app switcher shows a blurred cover instead of the screen
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/// (SceneDelegate), so a locked app does not show its content there.
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@objc func setPrivacyCover(_ call: CAPPluginCall) {
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TrekPrivacyCover.enabled = call.getBool("enabled") ?? false
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call.resolve()
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}
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// MARK: - Map tile store
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/// How much the stored map tiles take on disk, for the offline settings.
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@objc func getTileCacheUsage(_ call: CAPPluginCall) {
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TrekTileStore.shared.usage { bytes in
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call.resolve(["bytes": Int(bytes), "limit": Int(TrekTileStore.maxBytes)])
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}
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}
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@objc func clearTileCache(_ call: CAPPluginCall) {
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TrekTileStore.shared.clear { call.resolve() }
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}
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@objc func getCapabilities(_ call: CAPPluginCall) {
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let info = Bundle.main.infoDictionary
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call.resolve([
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"shellApi": TrekShellPlugin.shellApi,
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"platform": "ios",
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"appVersion": info?["CFBundleShortVersionString"] as? String ?? "",
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"build": info?["CFBundleVersion"] as? String ?? "",
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"features": TrekShellPlugin.features,
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])
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}
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private var authSession: ASWebAuthenticationSession?
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@objc func getServer(_ call: CAPPluginCall) {
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call.resolve(["url": TrekServerStore.url ?? NSNull()])
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}
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@objc func setServer(_ call: CAPPluginCall) {
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guard let raw = call.getString("url"), let url = URL(string: raw), ["https", "http"].contains(url.scheme), url.host != nil else {
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call.reject("A http(s) URL is required")
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return
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}
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TrekServerStore.url = raw
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// After the URL: setting it clears the hosts of the server before.
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let hosts = (call.getArray("signInHosts", String.self) ?? []).filter { $0.range(of: "^[A-Za-z0-9.-]+(:[0-9]+)?$", options: .regularExpression) != nil }
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TrekServerStore.signInHosts = Set(hosts.map { $0.lowercased() })
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// A TREK Cloud purchase: the code that signs the buyer in, opened once after the first page.
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let welcome = call.getString("welcome") ?? ""
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TrekServerStore.pendingWelcome = welcome.range(of: "^[A-Za-z0-9_-]{43}$", options: .regularExpression) != nil ? welcome : nil
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call.resolve()
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restartBridge()
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}
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@objc func resetServer(_ call: CAPPluginCall) {
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TrekServerStore.url = nil
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call.resolve()
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restartBridge()
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}
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@objc func reload(_ call: CAPPluginCall) {
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call.resolve()
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restartBridge()
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}
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/// A new bridge rather than a navigation: the server URL is part of the
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/// bridge's configuration and decides which origin counts as the app.
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private func restartBridge() {
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DispatchQueue.main.async { [weak self] in
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guard let window = self?.bridge?.viewController?.view.window else { return }
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window.rootViewController = TrekBridgeViewController()
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}
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}
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// MARK: - Sign-in through the system browser
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@objc func authenticate(_ call: CAPPluginCall) {
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guard let raw = call.getString("url"), let url = URL(string: raw), let scheme = call.getString("callbackScheme") else {
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call.reject("url and callbackScheme are required")
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return
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}
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DispatchQueue.main.async { [weak self] in
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guard let self else { return }
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let session = ASWebAuthenticationSession(url: url, callbackURLScheme: scheme) { [weak self] callbackURL, error in
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self?.authSession = nil
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if let callbackURL {
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call.resolve(["url": callbackURL.absoluteString])
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} else if let authError = error as? ASWebAuthenticationSessionError, authError.code == .canceledLogin {
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call.reject("Sign-in cancelled", "CANCELLED")
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} else {
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call.reject(error?.localizedDescription ?? "Sign-in failed")
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}
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}
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// Shares Safari's cookies, so a running SSO session at the identity
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// provider carries over and nobody types their password twice.
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session.prefersEphemeralWebBrowserSession = false
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session.presentationContextProvider = self
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self.authSession = session
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if !session.start() {
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self.authSession = nil
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call.reject("Could not open the browser")
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}
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}
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}
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public func presentationAnchor(for session: ASWebAuthenticationSession) -> ASPresentationAnchor {
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bridge?.viewController?.view.window ?? ASPresentationAnchor()
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}
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// MARK: - Offline start
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/// WKWebView runs no service worker for a domain that is not listed in the
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/// app at build time, and a user's own server never is. So the app keeps
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/// the server's start page itself, and the scripts it references stay in
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/// WebKit's HTTP cache (the server marks them immutable).
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@objc func refreshOfflineCopy(_ call: CAPPluginCall) {
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guard let raw = TrekServerStore.url, let url = URL(string: raw) else {
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call.resolve(["saved": false])
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return
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}
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var request = URLRequest(url: url, cachePolicy: .reloadIgnoringLocalCacheData, timeoutInterval: 15)
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request.setValue("text/html", forHTTPHeaderField: "Accept")
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// The app's session, so a server behind mutual TLS gets the client certificate.
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TrekClientCertSessionDelegate.session.dataTask(with: request) { data, response, _ in
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guard let data, let http = response as? HTTPURLResponse, http.statusCode == 200,
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http.value(forHTTPHeaderField: "Content-Type")?.hasPrefix("text/html") == true,
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TrekServerStore.url == raw else {
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call.resolve(["saved": false])
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return
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}
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do {
|
|
let target = TrekServerStore.offlineCopyURL
|
|
try FileManager.default.createDirectory(at: target.deletingLastPathComponent(), withIntermediateDirectories: true)
|
|
try data.write(to: target, options: .atomic)
|
|
call.resolve(["saved": true])
|
|
} catch {
|
|
call.resolve(["saved": false])
|
|
}
|
|
}.resume()
|
|
}
|
|
|
|
@objc func openOfflineCopy(_ call: CAPPluginCall) {
|
|
// With the trailing slash, like the bridge's serverURL: Capacitor only
|
|
// keeps a navigation in the app when it starts with that exact string,
|
|
// and hands anything else to Safari.
|
|
guard let raw = TrekServerStore.url, let url = URL(string: raw.hasSuffix("/") ? raw : raw + "/"),
|
|
let html = try? Data(contentsOf: TrekServerStore.offlineCopyURL) else {
|
|
call.resolve(["opened": false])
|
|
return
|
|
}
|
|
DispatchQueue.main.async { [weak self] in
|
|
guard let webView = self?.bridge?.webView else {
|
|
call.resolve(["opened": false])
|
|
return
|
|
}
|
|
let response = HTTPURLResponse(url: url, statusCode: 200, httpVersion: "HTTP/1.1", headerFields: ["Content-Type": "text/html; charset=utf-8"])!
|
|
call.resolve(["opened": true])
|
|
webView.loadSimulatedRequest(URLRequest(url: url), response: response, responseData: html)
|
|
}
|
|
}
|
|
}
|
|
|
|
// MARK: - Client certificates (mutual TLS)
|
|
|
|
extension TrekShellPlugin {
|
|
/// The address screen's check of a server, made natively so it notices
|
|
/// whether the server asks for a client certificate and can show the stored
|
|
/// one. A failed connection resolves with status 0 instead of rejecting.
|
|
@objc func requestServer(_ call: CAPPluginCall) {
|
|
guard let raw = call.getString("url"), let url = URL(string: raw),
|
|
["https", "http"].contains(url.scheme?.lowercased() ?? ""), url.host != nil else {
|
|
call.reject("A http(s) URL is required")
|
|
return
|
|
}
|
|
let timeout = min(max(Double(call.getInt("timeoutMs") ?? 10000), 1000), 30000) / 1000
|
|
var request = URLRequest(url: url, cachePolicy: .reloadIgnoringLocalCacheData, timeoutInterval: timeout)
|
|
request.setValue("application/json, text/html;q=0.9, */*;q=0.8", forHTTPHeaderField: "Accept")
|
|
let delegate = TrekClientCertSessionDelegate.shared
|
|
var task: URLSessionDataTask?
|
|
task = TrekClientCertSessionDelegate.session.dataTask(with: request) { data, response, error in
|
|
let asked = task.flatMap { delegate.ask(for: $0) }
|
|
var result: [String: Any] = [
|
|
"certRequested": asked != nil,
|
|
"certSent": asked == true,
|
|
"url": response?.url?.absoluteString ?? raw,
|
|
]
|
|
if asked != nil, let host = url.host?.lowercased() { result["certHost"] = "\(host):\(url.port ?? 443)" }
|
|
if let http = response as? HTTPURLResponse {
|
|
result["status"] = http.statusCode
|
|
let body = (data ?? Data()).prefix(512 * 1024)
|
|
result["data"] = String(data: body, encoding: .utf8) ?? ""
|
|
var headers: [String: String] = [:]
|
|
for (name, value) in http.allHeaderFields {
|
|
if let name = name as? String, let value = value as? String { headers[name] = value }
|
|
}
|
|
result["headers"] = headers
|
|
} else {
|
|
result["status"] = 0
|
|
result["data"] = ""
|
|
if let error { result["error"] = (error as NSError).domain + ":" + String((error as NSError).code) }
|
|
}
|
|
call.resolve(result)
|
|
}
|
|
task?.resume()
|
|
}
|
|
|
|
/// The stored client certificate's details, and the last server that asked for one.
|
|
@objc func clientCertificate(_ call: CAPPluginCall) {
|
|
var result: [String: Any] = [:]
|
|
if let info = TrekClientIdentity.info() { result["certificate"] = info } else { result["certificate"] = NSNull() }
|
|
if let asked = TrekClientIdentity.lastRequest {
|
|
result["request"] = ["host": asked.host, "port": asked.port, "served": asked.served]
|
|
}
|
|
call.resolve(result)
|
|
}
|
|
|
|
@objc func removeClientCertificate(_ call: CAPPluginCall) {
|
|
TrekClientIdentity.remove()
|
|
call.resolve()
|
|
}
|
|
|
|
/// Picks a .p12/.pfx file, asks for its password until it opens or the user
|
|
/// gives up, and keeps it for the server at host and port.
|
|
@objc func importClientCertificate(_ call: CAPPluginCall) {
|
|
guard let host = call.getString("host"), host.range(of: "^[A-Za-z0-9.-]+$", options: .regularExpression) != nil else {
|
|
call.reject("A host is required")
|
|
return
|
|
}
|
|
let port = call.getInt("port") ?? 443
|
|
let labels = (call.getObject("labels") ?? [:]).compactMapValues { $0 as? String }
|
|
DispatchQueue.main.async { [weak self] in
|
|
guard let presenter = self?.bridge?.viewController else {
|
|
call.resolve(["result": "failed", "failure": TrekClientIdentity.Failure.store.rawValue])
|
|
return
|
|
}
|
|
TrekClientCertImporter(presenter: presenter, labels: labels, host: host, port: port) { result in
|
|
call.resolve(result)
|
|
}.start()
|
|
}
|
|
}
|
|
}
|
|
|
|
/// Positions and errors for the UI, shaped like the Geolocation API's, with the
|
|
/// When-In-Use permission asked the first time.
|
|
// MARK: - Apple Wallet
|
|
|
|
extension TrekShellPlugin {
|
|
/// Feature wallet: a booking's Wallet pass, straight into Apple Wallet. A pass
|
|
/// already there opens in Wallet instead of being offered twice. Resolves with
|
|
/// `result` added, opened or cancelled; rejects INVALID for bytes that are no
|
|
/// pass and UNAVAILABLE where Wallet cannot take one.
|
|
/// Kept while Quick Look shows a file: the controller holds its data source weakly.
|
|
private var previewSource: TrekFilePreviewSource?
|
|
|
|
/// Shows a file the UI wrote to the cache in Quick Look: a PDF to page through,
|
|
/// an image, a document, with the system's own share button. "unsupported" for
|
|
/// a file Quick Look cannot show, which the UI then hands to the share sheet.
|
|
@objc func previewFile(_ call: CAPPluginCall) {
|
|
guard let path = call.getString("path"), let url = URL(string: path), url.isFileURL,
|
|
FileManager.default.fileExists(atPath: url.path) else {
|
|
call.reject("a file in the app's cache is required", "INVALID")
|
|
return
|
|
}
|
|
DispatchQueue.main.async { [weak self] in
|
|
guard let self, let presenter = self.bridge?.viewController else {
|
|
call.reject("nothing to show the preview from", "UNAVAILABLE")
|
|
return
|
|
}
|
|
guard QLPreviewController.canPreview(url as QLPreviewItem) else {
|
|
call.resolve(["result": "unsupported"])
|
|
return
|
|
}
|
|
let source = TrekFilePreviewSource(url: url, title: call.getString("title"))
|
|
self.previewSource = source
|
|
let preview = QLPreviewController()
|
|
preview.dataSource = source
|
|
presenter.present(preview, animated: true)
|
|
call.resolve(["result": "shown"])
|
|
}
|
|
}
|
|
|
|
@objc func addToWallet(_ call: CAPPluginCall) {
|
|
guard let base64 = call.getString("data"), let data = Data(base64Encoded: base64),
|
|
let pass = try? PKPass(data: data) else {
|
|
call.reject("not a Wallet pass", "INVALID")
|
|
return
|
|
}
|
|
DispatchQueue.main.async { [weak self] in
|
|
let library = PKPassLibrary()
|
|
if library.containsPass(pass), let url = pass.passURL {
|
|
UIApplication.shared.open(url)
|
|
call.resolve(["result": "opened"])
|
|
return
|
|
}
|
|
guard PKAddPassesViewController.canAddPasses(),
|
|
let sheet = PKAddPassesViewController(pass: pass),
|
|
let presenter = self?.bridge?.viewController else {
|
|
call.reject("Wallet is not available", "UNAVAILABLE")
|
|
return
|
|
}
|
|
let delegate = TrekWalletSheet { [weak sheet] in
|
|
sheet?.dismiss(animated: true)
|
|
call.resolve(["result": library.containsPass(pass) ? "added" : "cancelled"])
|
|
}
|
|
sheet.delegate = delegate
|
|
TrekWalletSheet.current = delegate
|
|
presenter.present(sheet, animated: true)
|
|
}
|
|
}
|
|
}
|
|
|
|
/// Answers the Wallet sheet closing; held while it is up, since the sheet only keeps a weak delegate.
|
|
final class TrekWalletSheet: NSObject, PKAddPassesViewControllerDelegate {
|
|
static var current: TrekWalletSheet?
|
|
private let done: () -> Void
|
|
|
|
init(done: @escaping () -> Void) {
|
|
self.done = done
|
|
}
|
|
|
|
func addPassesViewControllerDidFinish(_ controller: PKAddPassesViewController) {
|
|
done()
|
|
TrekWalletSheet.current = nil
|
|
}
|
|
}
|
|
|
|
// MARK: - In-app purchase
|
|
|
|
extension TrekShellPlugin {
|
|
/// Feature storeKit: the App Store's own price strings for the given products,
|
|
/// already in the buyer's currency and format. Products the store does not
|
|
/// know are left out, so the shell offers only what can really be bought.
|
|
@objc func storeProducts(_ call: CAPPluginCall) {
|
|
let ids = call.getArray("ids", String.self) ?? []
|
|
// TestFlight, App Review and Xcode builds buy in the sandbox; their receipt says so.
|
|
let sandbox = Bundle.main.appStoreReceiptURL?.lastPathComponent == "sandboxReceipt"
|
|
Task {
|
|
guard AppStore.canMakePayments, let products = try? await Product.products(for: ids) else {
|
|
call.resolve(["products": [], "sandbox": sandbox])
|
|
return
|
|
}
|
|
call.resolve(["products": products.map { ["id": $0.id, "displayPrice": $0.displayPrice] }, "sandbox": sandbox])
|
|
}
|
|
}
|
|
|
|
/// Feature storeKit: runs the App Store purchase sheet. Resolves with `kind`
|
|
/// bought (with the signed transaction the control plane verifies), cancelled,
|
|
/// pending (Ask to Buy, a payment the bank still has to approve) or failed.
|
|
/// The transaction stays unfinished until storeFinish, so a purchase whose
|
|
/// instance was never set up is delivered again rather than lost.
|
|
@objc func storePurchase(_ call: CAPPluginCall) {
|
|
guard let id = call.getString("productId") else {
|
|
call.reject("productId is required")
|
|
return
|
|
}
|
|
Task {
|
|
do {
|
|
guard let product = try await Product.products(for: [id]).first else {
|
|
call.resolve(["kind": "failed"])
|
|
return
|
|
}
|
|
switch try await product.purchase() {
|
|
case .success(let verification):
|
|
guard case .verified(let transaction) = verification else {
|
|
call.resolve(["kind": "failed"])
|
|
return
|
|
}
|
|
call.resolve([
|
|
"kind": "bought",
|
|
"jws": verification.jwsRepresentation,
|
|
"transactionId": String(transaction.id),
|
|
])
|
|
case .userCancelled:
|
|
call.resolve(["kind": "cancelled"])
|
|
case .pending:
|
|
call.resolve(["kind": "pending"])
|
|
@unknown default:
|
|
call.resolve(["kind": "failed"])
|
|
}
|
|
} catch {
|
|
call.resolve(["kind": "failed"])
|
|
}
|
|
}
|
|
}
|
|
|
|
/// Feature storeKit: marks a purchase as delivered, once its instance exists.
|
|
@objc func storeFinish(_ call: CAPPluginCall) {
|
|
guard let raw = call.getString("transactionId"), let id = UInt64(raw) else {
|
|
call.reject("transactionId is required")
|
|
return
|
|
}
|
|
Task {
|
|
await TrekStore.finish(id)
|
|
call.resolve()
|
|
}
|
|
}
|
|
|
|
/// Feature storeKit: the newest active subscription on this Apple ID among
|
|
/// products starting with `prefix`, after syncing with the App Store. Resolves
|
|
/// without `jws` when there is none.
|
|
@objc func storeRestore(_ call: CAPPluginCall) {
|
|
let prefix = call.getString("prefix") ?? "cloud."
|
|
Task {
|
|
// Asks for the Apple ID password when needed; a cancel still leaves the local entitlements to check.
|
|
try? await AppStore.sync()
|
|
guard let found = await TrekStore.currentEntitlement(prefix: prefix) else {
|
|
call.resolve([:])
|
|
return
|
|
}
|
|
call.resolve(["jws": found.jws, "transactionId": String(found.id)])
|
|
}
|
|
}
|
|
}
|
|
|
|
enum TrekStore {
|
|
private static var updates: Task<Void, Never>?
|
|
|
|
/// Listens for transactions that arrive outside a purchase sheet. Renewals are
|
|
/// finished at once: the control plane learns of them from Apple's server
|
|
/// notifications. A first purchase that lands here (Ask to Buy approved later,
|
|
/// a purchase interrupted by the app closing) stays unfinished for the shell
|
|
/// to redeem through a restore.
|
|
static func watchUpdates() {
|
|
guard updates == nil else { return }
|
|
updates = Task.detached {
|
|
for await result in Transaction.updates {
|
|
guard case .verified(let transaction) = result else { continue }
|
|
if transaction.originalID != transaction.id {
|
|
await transaction.finish()
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static func finish(_ id: UInt64) async {
|
|
for await result in Transaction.unfinished {
|
|
if case .verified(let transaction) = result, transaction.id == id {
|
|
await transaction.finish()
|
|
}
|
|
}
|
|
}
|
|
|
|
static func currentEntitlement(prefix: String) async -> (jws: String, id: UInt64)? {
|
|
var newest: (date: Date, jws: String, id: UInt64)?
|
|
for await result in Transaction.currentEntitlements {
|
|
guard case .verified(let transaction) = result,
|
|
transaction.productID.hasPrefix(prefix),
|
|
transaction.revocationDate == nil else { continue }
|
|
if newest == nil || transaction.purchaseDate > newest!.date {
|
|
newest = (transaction.purchaseDate, result.jwsRepresentation, transaction.id)
|
|
}
|
|
}
|
|
return newest.map { ($0.jws, $0.id) }
|
|
}
|
|
}
|
|
|
|
final class TrekLocation: NSObject, CLLocationManagerDelegate {
|
|
private let manager = CLLocationManager()
|
|
private let emit: ([String: Any]) -> Void
|
|
private var running = false
|
|
|
|
init(emit: @escaping ([String: Any]) -> Void) {
|
|
self.emit = emit
|
|
super.init()
|
|
manager.delegate = self
|
|
}
|
|
|
|
func start(highAccuracy: Bool) {
|
|
manager.desiredAccuracy = highAccuracy ? kCLLocationAccuracyBest : kCLLocationAccuracyHundredMeters
|
|
running = true
|
|
switch manager.authorizationStatus {
|
|
case .notDetermined:
|
|
manager.requestWhenInUseAuthorization()
|
|
case .denied, .restricted:
|
|
emitError(code: 1, message: "Location permission denied")
|
|
default:
|
|
manager.startUpdatingLocation()
|
|
manager.startUpdatingHeading()
|
|
}
|
|
}
|
|
|
|
func stop() {
|
|
running = false
|
|
manager.stopUpdatingLocation()
|
|
manager.stopUpdatingHeading()
|
|
}
|
|
|
|
func locationManagerDidChangeAuthorization(_ manager: CLLocationManager) {
|
|
guard running else { return }
|
|
switch manager.authorizationStatus {
|
|
case .authorizedWhenInUse, .authorizedAlways:
|
|
manager.startUpdatingLocation()
|
|
manager.startUpdatingHeading()
|
|
case .denied, .restricted:
|
|
emitError(code: 1, message: "Location permission denied")
|
|
default:
|
|
break
|
|
}
|
|
}
|
|
|
|
func locationManager(_ manager: CLLocationManager, didUpdateLocations locations: [CLLocation]) {
|
|
guard let last = locations.last else { return }
|
|
emit([
|
|
"latitude": last.coordinate.latitude,
|
|
"longitude": last.coordinate.longitude,
|
|
"accuracy": last.horizontalAccuracy,
|
|
"altitude": last.verticalAccuracy >= 0 ? last.altitude as Any : NSNull(),
|
|
"speed": last.speed >= 0 ? last.speed as Any : NSNull(),
|
|
"heading": last.course >= 0 ? last.course as Any : NSNull(),
|
|
"timestamp": last.timestamp.timeIntervalSince1970 * 1000,
|
|
])
|
|
}
|
|
|
|
func locationManager(_ manager: CLLocationManager, didFailWithError error: Error) {
|
|
let code = (error as? CLError)?.code == .denied ? 1 : 2
|
|
emitError(code: code, message: error.localizedDescription)
|
|
}
|
|
|
|
private func emitError(code: Int, message: String) {
|
|
emit(["error": ["code": code, "message": message]])
|
|
}
|
|
}
|
|
|
|
/// The app's side of TREK push: an APNs token, the device's Web Push keys in the
|
|
/// keychain group the notification extension shares, and the relay endpoint
|
|
/// that ties them together.
|
|
final class TrekPush {
|
|
static let shared = TrekPush()
|
|
static let relay = "https://push.liketrek.com/v1/apns"
|
|
/// The keychain group the notification extension reads the keys from.
|
|
static let keychainGroup = "com.liketrek.trek.shared"
|
|
|
|
enum PushError: Error, Equatable { case denied, failed }
|
|
|
|
private var pending: [(Result<[String: Any], Error>) -> Void] = []
|
|
private var openedURL: String?
|
|
var onOpen: ((String) -> Void)?
|
|
|
|
func register(_ done: @escaping (Result<[String: Any], Error>) -> Void) {
|
|
UNUserNotificationCenter.current().requestAuthorization(options: [.alert, .sound, .badge]) { granted, _ in
|
|
guard granted else {
|
|
done(.failure(PushError.denied))
|
|
return
|
|
}
|
|
DispatchQueue.main.async {
|
|
self.pending.append(done)
|
|
UIApplication.shared.registerForRemoteNotifications()
|
|
}
|
|
}
|
|
}
|
|
|
|
func didRegister(token: Data) {
|
|
let hex = token.map { String(format: "%02x", $0) }.joined()
|
|
#if DEBUG
|
|
let environment = "sandbox"
|
|
#else
|
|
let environment = "production"
|
|
#endif
|
|
let result: Result<[String: Any], Error>
|
|
if let keys = TrekPushKeys.loadOrCreate() {
|
|
result = .success([
|
|
"endpoint": "\(TrekPush.relay)/\(environment)/\(hex)",
|
|
"keys": ["p256dh": keys.publicKey, "auth": keys.auth],
|
|
])
|
|
} else {
|
|
result = .failure(PushError.failed)
|
|
}
|
|
let waiting = pending
|
|
pending.removeAll()
|
|
waiting.forEach { $0(result) }
|
|
}
|
|
|
|
func didFail(_ error: Error) {
|
|
let waiting = pending
|
|
pending.removeAll()
|
|
waiting.forEach { $0(.failure(error)) }
|
|
}
|
|
|
|
func opened(url: String) {
|
|
if let onOpen { onOpen(url) } else { openedURL = url }
|
|
}
|
|
|
|
func takeOpened() -> String? {
|
|
defer { openedURL = nil }
|
|
return openedURL
|
|
}
|
|
}
|
|
|
|
/// The device's Web Push key pair (P-256) and auth secret, kept in the shared
|
|
/// keychain group so the notification extension can decrypt what the server
|
|
/// encrypted for them (RFC 8291). Base64url without padding, as the server reads them.
|
|
enum TrekPushKeys {
|
|
private static let privateKeyAccount = "push.privateKey"
|
|
private static let authAccount = "push.auth"
|
|
|
|
static func loadOrCreate() -> (publicKey: String, auth: String)? {
|
|
if let raw = TrekSharedKeychain.read(privateKeyAccount), let auth = TrekSharedKeychain.read(authAccount),
|
|
let key = try? P256.KeyAgreement.PrivateKey(rawRepresentation: raw) {
|
|
return (base64url(key.publicKey.x963Representation), base64url(auth))
|
|
}
|
|
let key = P256.KeyAgreement.PrivateKey()
|
|
var auth = Data(count: 16)
|
|
let status = auth.withUnsafeMutableBytes { SecRandomCopyBytes(kSecRandomDefault, 16, $0.baseAddress!) }
|
|
guard status == errSecSuccess,
|
|
TrekSharedKeychain.write(privateKeyAccount, key.rawRepresentation),
|
|
TrekSharedKeychain.write(authAccount, auth) else { return nil }
|
|
return (base64url(key.publicKey.x963Representation), base64url(auth))
|
|
}
|
|
|
|
static func base64url(_ data: Data) -> String {
|
|
data.base64EncodedString().replacingOccurrences(of: "+", with: "-").replacingOccurrences(of: "/", with: "_")
|
|
.replacingOccurrences(of: "=", with: "")
|
|
}
|
|
}
|
|
|
|
/// Items the app shares with its extensions (the notification extension, the
|
|
/// widgets) through one keychain group, so no App Group is needed: the push keys
|
|
/// and the widget snapshot.
|
|
enum TrekSharedKeychain {
|
|
static let service = "com.liketrek.trek.push"
|
|
|
|
private static func query(_ account: String) -> [String: Any] {
|
|
[
|
|
kSecClass as String: kSecClassGenericPassword,
|
|
kSecAttrService as String: service,
|
|
kSecAttrAccount as String: account,
|
|
kSecAttrAccessGroup as String: accessGroup,
|
|
]
|
|
}
|
|
|
|
/// The team-prefixed shared group, read off a probe item in the default group.
|
|
static var accessGroup: String = {
|
|
let probe: [String: Any] = [
|
|
kSecClass as String: kSecClassGenericPassword,
|
|
kSecAttrAccount as String: "push.groupProbe",
|
|
kSecAttrService as String: service,
|
|
kSecReturnAttributes as String: true,
|
|
]
|
|
var result: CFTypeRef?
|
|
var status = SecItemCopyMatching(probe as CFDictionary, &result)
|
|
if status == errSecItemNotFound {
|
|
var add = probe
|
|
add.removeValue(forKey: kSecReturnAttributes as String)
|
|
add[kSecValueData as String] = Data()
|
|
SecItemAdd(add as CFDictionary, nil)
|
|
status = SecItemCopyMatching(probe as CFDictionary, &result)
|
|
}
|
|
// The default group is the first one in the entitlement: "TEAMID.com.liketrek.trek.shared".
|
|
if status == errSecSuccess, let attributes = result as? [String: Any],
|
|
let group = attributes[kSecAttrAccessGroup as String] as? String,
|
|
let prefix = group.split(separator: ".").first {
|
|
return "\(prefix).\(TrekPush.keychainGroup)"
|
|
}
|
|
return TrekPush.keychainGroup
|
|
}()
|
|
|
|
static func read(_ account: String) -> Data? {
|
|
var q = query(account)
|
|
q[kSecReturnData as String] = true
|
|
var result: CFTypeRef?
|
|
return SecItemCopyMatching(q as CFDictionary, &result) == errSecSuccess ? result as? Data : nil
|
|
}
|
|
|
|
static func delete(_ account: String) {
|
|
SecItemDelete(query(account) as CFDictionary)
|
|
}
|
|
|
|
@discardableResult
|
|
static func write(_ account: String, _ data: Data) -> Bool {
|
|
SecItemDelete(query(account) as CFDictionary)
|
|
var q = query(account)
|
|
q[kSecValueData as String] = data
|
|
q[kSecAttrAccessible as String] = kSecAttrAccessibleAfterFirstUnlock
|
|
return SecItemAdd(q as CFDictionary, nil) == errSecSuccess
|
|
}
|
|
}
|
|
|
|
/// The one file Quick Look shows, under the name the user knows it by.
|
|
final class TrekFilePreviewSource: NSObject, QLPreviewControllerDataSource {
|
|
private let item: Item
|
|
|
|
init(url: URL, title: String?) {
|
|
item = Item(url: url, title: title)
|
|
}
|
|
|
|
func numberOfPreviewItems(in controller: QLPreviewController) -> Int { 1 }
|
|
|
|
func previewController(_ controller: QLPreviewController, previewItemAt index: Int) -> QLPreviewItem { item }
|
|
|
|
final class Item: NSObject, QLPreviewItem {
|
|
let previewItemURL: URL?
|
|
let previewItemTitle: String?
|
|
|
|
init(url: URL, title: String?) {
|
|
previewItemURL = url
|
|
previewItemTitle = title
|
|
}
|
|
}
|
|
}
|