mirror of
https://github.com/SideStore/SideStore.git
synced 2026-02-08 22:33:26 +01:00
[AltStore] Skip running apps when background refreshing
This commit is contained in:
Riley Testut
@@ -12,10 +12,36 @@ import UserNotifications
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import AltSign
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import Roxas
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private extension CFNotificationName
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{
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static let requestAppState = CFNotificationName("com.altstore.RequestAppState" as CFString)
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static let appIsRunning = CFNotificationName("com.altstore.AppState.Running" as CFString)
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static func requestAppState(for appID: String) -> CFNotificationName
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{
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let name = String(CFNotificationName.requestAppState.rawValue) + "." + appID
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return CFNotificationName(name as CFString)
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}
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static func appIsRunning(for appID: String) -> CFNotificationName
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{
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let name = String(CFNotificationName.appIsRunning.rawValue) + "." + appID
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return CFNotificationName(name as CFString)
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}
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}
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private let ReceivedApplicationState: @convention(c) (CFNotificationCenter?, UnsafeMutableRawPointer?, CFNotificationName?, UnsafeRawPointer?, CFDictionary?) -> Void =
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{ (center, observer, name, object, userInfo) in
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guard let appDelegate = UIApplication.shared.delegate as? AppDelegate, let name = name else { return }
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appDelegate.receivedApplicationState(notification: name)
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}
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@UIApplicationMain
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class AppDelegate: UIResponder, UIApplicationDelegate {
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var window: UIWindow?
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private var runningApplications: Set<String>?
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func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool
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{
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@@ -75,7 +101,23 @@ extension AppDelegate
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let installedApps = InstalledApp.fetchAppsForBackgroundRefresh(in: DatabaseManager.shared.viewContext)
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guard !installedApps.isEmpty else { return completionHandler(.noData) }
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print("Apps to refresh:", installedApps.map { $0.app.identifier })
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self.runningApplications = []
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let identifiers = installedApps.compactMap { $0.app?.identifier }
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print("Apps to refresh:", identifiers)
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DispatchQueue.global().async {
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let notificationCenter = CFNotificationCenterGetDarwinNotifyCenter()
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for identifier in identifiers
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{
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let appIsRunningNotification = CFNotificationName.appIsRunning(for: identifier)
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CFNotificationCenterAddObserver(notificationCenter, nil, ReceivedApplicationState, appIsRunningNotification.rawValue, nil, .deliverImmediately)
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let requestAppStateNotification = CFNotificationName.requestAppState(for: identifier)
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CFNotificationCenterPostNotification(notificationCenter, requestAppStateNotification, nil, nil, true)
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}
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}
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ServerManager.shared.startDiscovering()
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@@ -91,81 +133,78 @@ extension AppDelegate
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}
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}
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// Sleep for three seconds to:
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// a) give us time to discover AltServers
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// b) give other processes a chance to respond to requestAppState notification
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// NOTE: We need to sleep, *not* DispatchQueue.asyncAfter, or else background audio might fail to start.
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Thread.sleep(forTimeInterval: 3)
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BackgroundTaskManager.shared.performExtendedBackgroundTask { (taskResult, taskCompletionHandler) in
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func finish(_ result: Result<[String: Result<InstalledApp, Error>], Error>)
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{
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ServerManager.shared.stopDiscovering()
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let content = UNMutableNotificationContent()
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var shouldPresentAlert = true
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do
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{
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let results = try result.get()
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shouldPresentAlert = !results.isEmpty
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for (_, result) in results
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{
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guard case let .failure(error) = result else { continue }
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throw error
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}
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content.title = NSLocalizedString("Refreshed all apps!", comment: "")
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}
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catch
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{
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print("Failed to refresh apps in background.", error)
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content.title = NSLocalizedString("Failed to Refresh Apps", comment: "")
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content.body = error.localizedDescription
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shouldPresentAlert = true
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}
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if shouldPresentAlert
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{
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let trigger = UNTimeIntervalNotificationTrigger(timeInterval: 0.01, repeats: false)
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let request = UNNotificationRequest(identifier: UUID().uuidString, content: content, trigger: trigger)
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UNUserNotificationCenter.current().add(request) { (error) in
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if let error = error {
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print(error)
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}
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}
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}
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switch result
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{
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case .failure(ConnectionError.serverNotFound): completionHandler(.newData)
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case .failure: completionHandler(.failed)
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case .success: completionHandler(.newData)
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}
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taskCompletionHandler()
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}
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if let error = taskResult.error
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{
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print("Error starting extended background task. Aborting.", error)
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let content = UNMutableNotificationContent()
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content.title = NSLocalizedString("Failed to refresh apps.", comment: "")
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content.body = taskResult.error?.localizedDescription ?? ""
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let trigger = UNTimeIntervalNotificationTrigger(timeInterval: 0.01, repeats: false)
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let request = UNNotificationRequest(identifier: UUID().uuidString, content: content, trigger: trigger)
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UNUserNotificationCenter.current().add(request) { (error) in
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if let error = error {
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print(error)
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}
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}
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finish(.failure(error))
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return
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}
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// Wait a few seconds so we have a chance to discover nearby AltServers.
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DispatchQueue.main.asyncAfter(deadline: .now() + 3.0) {
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DispatchQueue.main.async {
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let filteredApps = installedApps.filter { !(self.runningApplications?.contains($0.app.identifier) ?? false) }
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print("Filtered Apps to Refresh:", filteredApps.map { $0.app.identifier })
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func finish(_ result: Result<[String: Result<InstalledApp, Error>], Error>)
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{
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ServerManager.shared.stopDiscovering()
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let content = UNMutableNotificationContent()
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var shouldPresentAlert = true
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do
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{
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let results = try result.get()
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shouldPresentAlert = !results.isEmpty
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for (_, result) in results
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{
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guard case let .failure(error) = result else { continue }
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throw error
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}
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content.title = NSLocalizedString("Refreshed all apps!", comment: "")
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}
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catch
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{
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print("Failed to refresh apps in background.", error)
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content.title = NSLocalizedString("Failed to Refresh Apps", comment: "")
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content.body = error.localizedDescription
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shouldPresentAlert = true
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}
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if shouldPresentAlert
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{
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let trigger = UNTimeIntervalNotificationTrigger(timeInterval: 0.01, repeats: false)
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let request = UNNotificationRequest(identifier: UUID().uuidString, content: content, trigger: trigger)
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UNUserNotificationCenter.current().add(request) { (error) in
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if let error = error {
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print(error)
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}
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}
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}
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switch result
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{
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case .failure(ConnectionError.serverNotFound): completionHandler(.newData)
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case .failure: completionHandler(.failed)
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case .success: completionHandler(.newData)
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}
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taskCompletionHandler()
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}
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let group = AppManager.shared.refresh(installedApps, presentingViewController: nil)
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let group = AppManager.shared.refresh(filteredApps, presentingViewController: nil)
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group.beginInstallationHandler = { (installedApp) in
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guard installedApp.app.identifier == App.altstoreAppID else { return }
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@@ -191,4 +230,12 @@ extension AppDelegate
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}
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}
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}
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func receivedApplicationState(notification: CFNotificationName)
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{
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let baseName = String(CFNotificationName.appIsRunning.rawValue)
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let appID = String(notification.rawValue).replacingOccurrences(of: baseName + ".", with: "")
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self.runningApplications?.insert(appID)
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}
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}
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