space-ios/iOSClient/AppDelegate.swift

//
//  AppDelegate.swift
//  Nextcloud
//
//  Created by Marino Faggiana on 04/09/14 (19/02/21 swift).
//  Copyright (c) 2014 Marino Faggiana. All rights reserved.
//
//  Author Marino Faggiana <marino.faggiana@nextcloud.com>
//
//  This program is free software: you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation, either version 3 of the License, or
//  (at your option) any later version.
//
//  This program is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
//

import UIKit
import BackgroundTasks
import NCCommunication
import TOPasscodeViewController
import LocalAuthentication
import Firebase
import WidgetKit

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate, UNUserNotificationCenterDelegate, TOPasscodeViewControllerDelegate, NCAccountRequestDelegate, NCViewCertificateDetailsDelegate, NCUserBaseUrl {

    var backgroundSessionCompletionHandler: (() -> Void)?
    var window: UIWindow?

    @objc var account: String = ""
    @objc var urlBase: String = ""
    @objc var user: String = ""
    @objc var userId: String = ""
    @objc var password: String = ""

    var deletePasswordSession: Bool = false
    var activeAppConfigView: NCAppConfigView?
    var activeLogin: NCLogin?
    var activeLoginWeb: NCLoginWeb?
    var activeServerUrl: String = ""
    @objc var activeViewController: UIViewController?
    var mainTabBar: NCMainTabBar?
    var activeMetadata: tableMetadata?
    var isSearchingMode: Bool = false

    let listFilesVC = ThreadSafeDictionary<String,NCFiles>()
    let listFavoriteVC = ThreadSafeDictionary<String,NCFavorite>()
    let listOfflineVC = ThreadSafeDictionary<String,NCOffline>()

    var disableSharesView: Bool = false
    var documentPickerViewController: NCDocumentPickerViewController?
    var networkingProcessUpload: NCNetworkingProcessUpload?
    var shares: [tableShare] = []
    var timerErrorNetworking: Timer?

    var errorITMS90076: Bool = false

    private var privacyProtectionWindow: UIWindow?
    
    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {

        let userAgent = CCUtility.getUserAgent() as String
        let isSimulatorOrTestFlight = NCUtility.shared.isSimulatorOrTestFlight()
        let versionNextcloudiOS = String(format: NCBrandOptions.shared.textCopyrightNextcloudiOS, NCUtility.shared.getVersionApp())

        UserDefaults.standard.register(defaults: ["UserAgent": userAgent])
        if !CCUtility.getDisableCrashservice() && !NCBrandOptions.shared.disable_crash_service {
            FirebaseApp.configure()
        }

        CCUtility.createDirectoryStandard()
        CCUtility.emptyTemporaryDirectory()

        NCCommunicationCommon.shared.setup(delegate: NCNetworking.shared)
        NCCommunicationCommon.shared.setup(userAgent: userAgent)

        startTimerErrorNetworking()

        // LOG
        var levelLog = 0
        if let pathDirectoryGroup = CCUtility.getDirectoryGroup()?.path {
            NCCommunicationCommon.shared.pathLog = pathDirectoryGroup
        }

        if NCBrandOptions.shared.disable_log {

            NCUtilityFileSystem.shared.deleteFile(filePath: NCCommunicationCommon.shared.filenamePathLog)
            NCUtilityFileSystem.shared.deleteFile(filePath: NSSearchPathForDirectoriesInDomains(.documentDirectory, .userDomainMask, true).first! + "/" + NCCommunicationCommon.shared.filenameLog)

        } else {

            levelLog = CCUtility.getLogLevel()
            NCCommunicationCommon.shared.levelLog = levelLog
            NCCommunicationCommon.shared.copyLogToDocumentDirectory = true
            if isSimulatorOrTestFlight {
                NCCommunicationCommon.shared.writeLog("Start session with level \(levelLog) " + versionNextcloudiOS + " (Simulator / TestFlight)")
            } else {
                NCCommunicationCommon.shared.writeLog("Start session with level \(levelLog) " + versionNextcloudiOS)
            }
        }

        // LOG Account
        if let account = NCManageDatabase.shared.getActiveAccount() {
            NCCommunicationCommon.shared.writeLog("Account active \(account.account)")
            if CCUtility.getPassword(account.account).isEmpty {
                NCCommunicationCommon.shared.writeLog("PASSWORD NOT FOUND for \(account.account)")
            }
        }

        // ITMS-90076: Potential Loss of Keychain Access
        if let account = NCManageDatabase.shared.getActiveAccount(), CCUtility.getPassword(account.account).isEmpty, NCUtility.shared.getVersionApp(withBuild: false).starts(with: "4.4") {
            errorITMS90076 = true
        }

        // Activate user account
        if let activeAccount = NCManageDatabase.shared.getActiveAccount() {

            // FIX 3.0.5 lost urlbase
            if activeAccount.urlBase.count == 0 {
                let user = activeAccount.user + " "
                let urlBase = activeAccount.account.replacingOccurrences(of: user, with: "")
                activeAccount.urlBase = urlBase
                NCManageDatabase.shared.updateAccount(activeAccount)
            }

            settingAccount(activeAccount.account, urlBase: activeAccount.urlBase, user: activeAccount.user, userId: activeAccount.userId, password: CCUtility.getPassword(activeAccount.account))

            NCBrandColor.shared.settingThemingColor(account: activeAccount.account)

        } else {

            CCUtility.deleteAllChainStore()
            if let bundleID = Bundle.main.bundleIdentifier {
                UserDefaults.standard.removePersistentDomain(forName: bundleID)
            }

            NCBrandColor.shared.createImagesThemingColor()
        }

        // Create user color
        NCBrandColor.shared.createUserColors()

        // initialize
        NotificationCenter.default.addObserver(self, selector: #selector(initialize), name: NSNotification.Name(rawValue: NCGlobal.shared.notificationCenterInitialize), object: nil)
        NotificationCenter.default.postOnMainThread(name: NCGlobal.shared.notificationCenterInitialize, userInfo:["atStart":1])

        // Process upload
        networkingProcessUpload = NCNetworkingProcessUpload()

        // Push Notification & display notification
        application.registerForRemoteNotifications()
        UNUserNotificationCenter.current().delegate = self
        UNUserNotificationCenter.current().requestAuthorization(options: [.alert, .badge, .sound]) { _, _ in }

        // Store review
        if !NCUtility.shared.isSimulatorOrTestFlight() {
            let review = NCStoreReview()
            review.incrementAppRuns()
            review.showStoreReview()
        }

        // Background task: register
        if #available(iOS 13.0, *) {
            BGTaskScheduler.shared.register(forTaskWithIdentifier: NCGlobal.shared.refreshTask, using: nil) { task in
                self.handleRefreshTask(task)
            }
            BGTaskScheduler.shared.register(forTaskWithIdentifier: NCGlobal.shared.processingTask, using: nil) { task in
                self.handleProcessingTask(task)
            }
        } else {
            application.setMinimumBackgroundFetchInterval(UIApplication.backgroundFetchIntervalMinimum)
        }

        // Intro
        if NCBrandOptions.shared.disable_intro {
            CCUtility.setIntro(true)
            if account == "" {
                openLogin(viewController: nil, selector: NCGlobal.shared.introLogin, openLoginWeb: false)
            }
        } else {
            if !CCUtility.getIntro() {
                if let viewController = UIStoryboard(name: "NCIntro", bundle: nil).instantiateInitialViewController() {
                    let navigationController = NCLoginNavigationController.init(rootViewController: viewController)
                    window?.rootViewController = navigationController
                    window?.makeKeyAndVisible()
                }
            }
        }

        // Passcode
        DispatchQueue.main.async {
            self.presentPasscode {
                self.enableTouchFaceID()
            }
        }

        return true
    }

    // MARK: - Life Cycle

    // L' applicazione entrerà in primo piano (attivo sempre)
    func applicationDidBecomeActive(_ application: UIApplication) {

        self.deletePasswordSession = false

        if !NCAskAuthorization.shared.isRequesting {
            // Privacy
            hidePrivacyProtectionWindow()
        }

        NCSettingsBundleHelper.setVersionAndBuildNumber()

        if account == "" { return }

        networkingProcessUpload?.verifyUploadZombie()

        NotificationCenter.default.postOnMainThread(name: NCGlobal.shared.notificationCenterApplicationDidBecomeActive)
    }

    // L' applicazione entrerà in primo piano (attivo solo dopo il background)
    func applicationWillEnterForeground(_ application: UIApplication) {

        if account == "" { return }
        guard let activeAccount = NCManageDatabase.shared.getActiveAccount() else { return }

        // Account changed ??
        if activeAccount.account != account {
            settingAccount(activeAccount.account, urlBase: activeAccount.urlBase, user: activeAccount.user, userId: activeAccount.userId, password: CCUtility.getPassword(activeAccount.account))

            NotificationCenter.default.postOnMainThread(name: NCGlobal.shared.notificationCenterInitialize)
        }

        NCCommunicationCommon.shared.writeLog("Application will enter in foreground")

        // START TIMER UPLOAD PROCESS
        if NCUtility.shared.isSimulator() {
            networkingProcessUpload?.startTimer()
        }
        
        // Initialize Auto upload
        NCAutoUpload.shared.initAutoUpload(viewController: nil) { _ in }

        // Required unsubscribing / subscribing
        NCPushNotification.shared().pushNotification()

        // Request Service Server Nextcloud
        NCService.shared.startRequestServicesServer()
        
        // Request TouchID, FaceID
        enableTouchFaceID()
        
        NotificationCenter.default.postOnMainThread(name: NCGlobal.shared.notificationCenterApplicationWillEnterForeground)
        NotificationCenter.default.postOnMainThread(name: NCGlobal.shared.notificationCenterRichdocumentGrabFocus)
        NotificationCenter.default.postOnMainThread(name: NCGlobal.shared.notificationCenterReloadDataSourceNetwork)
    }

    // L' applicazione si dimetterà dallo stato di attivo
    func applicationWillResignActive(_ application: UIApplication) {

        if account == "" { return }

        if CCUtility.getPrivacyScreenEnabled() {
            // Privacy
            showPrivacyProtectionWindow()
        }

        // Clear operation queue
        NCOperationQueue.shared.cancelAllQueue()
        // Clear download
        NCNetworking.shared.cancelAllDownloadTransfer()

        // Clear older files
        let days = CCUtility.getCleanUpDay()
        if let directory = CCUtility.getDirectoryProviderStorage() {
            NCUtilityFileSystem.shared.cleanUp(directory: directory, days: TimeInterval(days))
        }

        NotificationCenter.default.postOnMainThread(name: NCGlobal.shared.notificationCenterApplicationWillResignActive)
    }

    // L' applicazione è entrata nello sfondo
    func applicationDidEnterBackground(_ application: UIApplication) {

        if account == "" { return }

        // STOP TIMER UPLOAD PROCESS
        if NCUtility.shared.isSimulator() {
            networkingProcessUpload?.stopTimer()
        }

        if #available(iOS 13.0, *) {
            scheduleAppRefresh()
            scheduleBackgroundProcessing()
        }

        // Passcode
        presentPasscode { }

        NotificationCenter.default.postOnMainThread(name: NCGlobal.shared.notificationCenterApplicationDidEnterBackground)
    }

    // L'applicazione terminerà
    func applicationWillTerminate(_ application: UIApplication) {

        NCNetworking.shared.cancelAllDownloadTransfer()
        NCCommunicationCommon.shared.writeLog("bye bye")
    }

    // MARK: -

    @objc private func initialize() {
        guard !account.isEmpty else { return }

        NCCommunicationCommon.shared.writeLog("initialize Main")

        // Registeration push notification
        NCPushNotification.shared().pushNotification()

        // Start Auto Upload
        NCAutoUpload.shared.initAutoUpload(viewController: nil) { _ in }

        // Start services
        NCService.shared.startRequestServicesServer()

        // close detail
        NotificationCenter.default.postOnMainThread(name: NCGlobal.shared.notificationCenterMenuDetailClose)

        // Reload Widget
        if #available(iOS 14.0, *) {
            WidgetCenter.shared.reloadAllTimelines()
        }

        // Registeration domain File Provider
        // FileProviderDomain *fileProviderDomain = [FileProviderDomain new];
        // [fileProviderDomain removeAllDomains];
        // [fileProviderDomain registerDomains];
    }

    // MARK: - Background Task

    @available(iOS 13.0, *)
    func scheduleAppRefresh() {

        let request = BGAppRefreshTaskRequest(identifier: NCGlobal.shared.refreshTask)
        request.earliestBeginDate = Date(timeIntervalSinceNow: 5 * 60) // Refresh after 5 minutes.
        do {
            try BGTaskScheduler.shared.submit(request)
            NCCommunicationCommon.shared.writeLog("Refresh task success submit request \(request)")
        } catch {
            NCCommunicationCommon.shared.writeLog("Refresh task failed to submit request: \(error)")
        }
    }

    @available(iOS 13.0, *)
    func scheduleBackgroundProcessing() {

        let request = BGProcessingTaskRequest(identifier: NCGlobal.shared.processingTask)
        request.earliestBeginDate = Date(timeIntervalSinceNow: 5 * 60) // Refresh after 5 minutes.
        request.requiresNetworkConnectivity = true
        request.requiresExternalPower = false
        do {
            try BGTaskScheduler.shared.submit(request)
            NCCommunicationCommon.shared.writeLog("Background Processing task success submit request \(request)")
        } catch {
            NCCommunicationCommon.shared.writeLog("Background Processing task failed to submit request: \(error)")
        }
    }

    @available(iOS 13.0, *)
    func handleRefreshTask(_ task: BGTask) {

        if account == "" {
            task.setTaskCompleted(success: true)
            return
        }

        NCCommunicationCommon.shared.writeLog("Start handler refresh task [Auto upload]")

        NCAutoUpload.shared.initAutoUpload(viewController: nil) { _ in
            DispatchQueue.main.asyncAfter(deadline: .now() + 5) {
                NCCommunicationCommon.shared.writeLog("Completition handler refresh task with [Auto upload]")
                task.setTaskCompleted(success: true)
            }
        }
    }

    @available(iOS 13.0, *)
    func handleProcessingTask(_ task: BGTask) {

        if account == "" {
            task.setTaskCompleted(success: true)
            return
        }

        NCCommunicationCommon.shared.writeLog("Start handler processing task [Synchronize Favorite & Offline]")

        NCNetworking.shared.listingFavoritescompletion(selector: NCGlobal.shared.selectorReadFile) { _, _, errorCode, _ in
            NCCommunicationCommon.shared.writeLog("Completition listing favorite with error: \(errorCode)")
        }

        NCService.shared.synchronizeOffline(account: account)

        DispatchQueue.main.asyncAfter(deadline: .now() + 25) {
            NCCommunicationCommon.shared.writeLog("Completition handler processing task [Synchronize Favorite & Offline]")
            task.setTaskCompleted(success: true)
        }
    }

    // MARK: - Fetch

    func application(_ application: UIApplication, performFetchWithCompletionHandler completionHandler: @escaping (UIBackgroundFetchResult) -> Void) {

        if account == "" {
            completionHandler(UIBackgroundFetchResult.noData)
            return
        }

        NCCommunicationCommon.shared.writeLog("Start perform Fetch [Auto upload]")

        NCAutoUpload.shared.initAutoUpload(viewController: nil) { items in
            NCCommunicationCommon.shared.writeLog("Completition perform Fetch with \(items) uploads [Auto upload]")
            if items == 0 {
                completionHandler(UIBackgroundFetchResult.noData)
            } else {
                completionHandler(UIBackgroundFetchResult.newData)
            }
        }
    }

    // MARK: - Background Networking Session

    func application(_ application: UIApplication, handleEventsForBackgroundURLSession identifier: String, completionHandler: @escaping () -> Void) {

        NCCommunicationCommon.shared.writeLog("Start handle Events For Background URLSession: \(identifier)")
        backgroundSessionCompletionHandler = completionHandler
    }

    // MARK: - Push Notifications

    func userNotificationCenter(_ center: UNUserNotificationCenter, willPresent notification: UNNotification, withCompletionHandler completionHandler: @escaping (UNNotificationPresentationOptions) -> Void) {
        completionHandler(UNNotificationPresentationOptions.alert)
    }

    func userNotificationCenter(_ center: UNUserNotificationCenter, didReceive response: UNNotificationResponse, withCompletionHandler completionHandler: @escaping () -> Void) {
        completionHandler()
    }

    func application(_ application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data) {
        NCNetworking.shared.checkPushNotificationServerProxyCertificateUntrusted(viewController: self.window?.rootViewController) { errorCode in
            if errorCode == 0 {
                NCPushNotification.shared().registerForRemoteNotifications(withDeviceToken: deviceToken)
            }
        }
    }

    func application(_ application: UIApplication, didReceiveRemoteNotification userInfo: [AnyHashable: Any], fetchCompletionHandler completionHandler: @escaping (UIBackgroundFetchResult) -> Void) {
        NCPushNotification.shared().applicationdidReceiveRemoteNotification(userInfo) { result in
            completionHandler(result)
        }
    }

    // MARK: - Login & checkErrorNetworking

    @objc func openLogin(viewController: UIViewController?, selector: Int, openLoginWeb: Bool) {

        // use appConfig [MDM]
        if NCBrandOptions.shared.use_configuration {

            if activeAppConfigView?.view.window == nil {
                activeAppConfigView = UIStoryboard(name: "NCLogin", bundle: nil).instantiateViewController(withIdentifier: "NCAppConfigView") as? NCAppConfigView
                showLoginViewController(activeAppConfigView, contextViewController: viewController)
            }
            return
        }

        // only for personalized LoginWeb [customer]
        if NCBrandOptions.shared.use_login_web_personalized {

            if activeLoginWeb?.view.window == nil {
                activeLoginWeb = UIStoryboard(name: "NCLogin", bundle: nil).instantiateViewController(withIdentifier: "NCLoginWeb") as? NCLoginWeb
                activeLoginWeb?.urlBase = NCBrandOptions.shared.loginBaseUrl
                showLoginViewController(activeLoginWeb, contextViewController: viewController)
            }
            return
        }

        // Nextcloud standard login
        if selector == NCGlobal.shared.introSignup {

            if activeLoginWeb?.view.window == nil {
                activeLoginWeb = UIStoryboard(name: "NCLogin", bundle: nil).instantiateViewController(withIdentifier: "NCLoginWeb") as? NCLoginWeb
                if selector == NCGlobal.shared.introSignup {
                    activeLoginWeb?.urlBase = NCBrandOptions.shared.linkloginPreferredProviders
                } else {
                    activeLoginWeb?.urlBase = self.urlBase
                }
                showLoginViewController(activeLoginWeb, contextViewController: viewController)
            }

        } else if NCBrandOptions.shared.disable_intro && NCBrandOptions.shared.disable_request_login_url {

            if activeLoginWeb?.view.window == nil {
                activeLoginWeb = UIStoryboard(name: "NCLogin", bundle: nil).instantiateViewController(withIdentifier: "NCLoginWeb") as? NCLoginWeb
                activeLoginWeb?.urlBase = NCBrandOptions.shared.loginBaseUrl
                showLoginViewController(activeLoginWeb, contextViewController: viewController)
            }

        } else if openLoginWeb {

            if activeLoginWeb?.view.window == nil {
                activeLoginWeb = UIStoryboard(name: "NCLogin", bundle: nil).instantiateViewController(withIdentifier: "NCLoginWeb") as? NCLoginWeb
                activeLoginWeb?.urlBase = urlBase
                showLoginViewController(activeLoginWeb, contextViewController: viewController)
            }

        } else {

            if activeLogin?.view.window == nil {
                activeLogin = UIStoryboard(name: "NCLogin", bundle: nil).instantiateViewController(withIdentifier: "NCLogin") as? NCLogin
                showLoginViewController(activeLogin, contextViewController: viewController)
            }
        }
    }

    func showLoginViewController(_ viewController: UIViewController?, contextViewController: UIViewController?) {

        if contextViewController == nil {
            if let viewController = viewController {
                let navigationController = NCLoginNavigationController.init(rootViewController: viewController)
                navigationController.navigationBar.barStyle = .black
                navigationController.navigationBar.tintColor = NCBrandColor.shared.customerText
                navigationController.navigationBar.barTintColor = NCBrandColor.shared.customer
                navigationController.navigationBar.isTranslucent = false
                window?.rootViewController = navigationController
                window?.makeKeyAndVisible()
            }
        } else if contextViewController is UINavigationController {
            if let contextViewController = contextViewController, let viewController = viewController {
                (contextViewController as! UINavigationController).pushViewController(viewController, animated: true)
            }
        } else {
            if let viewController = viewController, let contextViewController = contextViewController {
                let navigationController = NCLoginNavigationController.init(rootViewController: viewController)
                navigationController.modalPresentationStyle = .fullScreen
                navigationController.navigationBar.barStyle = .black
                navigationController.navigationBar.tintColor = NCBrandColor.shared.customerText
                navigationController.navigationBar.barTintColor = NCBrandColor.shared.customer
                navigationController.navigationBar.isTranslucent = false
                contextViewController.present(navigationController, animated: true) { }
            }
        }
    }
    
    @objc func startTimerErrorNetworking() {
        timerErrorNetworking = Timer.scheduledTimer(timeInterval: 3, target: self, selector: #selector(checkErrorNetworking), userInfo: nil, repeats: true)
    }

    @objc private func checkErrorNetworking() {
        
        // check unauthorized server (401/403)
        if account != "" && CCUtility.getPassword(account)!.count == 0 {
            openLogin(viewController: window?.rootViewController, selector: NCGlobal.shared.introLogin, openLoginWeb: true)
        }
    }
    
    func trustCertificateError(host: String) {

        guard let currentHost = URL(string: self.urlBase)?.host,
              let pushNotificationServerProxyHost = URL(string: NCBrandOptions.shared.pushNotificationServerProxy)?.host,
              host != pushNotificationServerProxyHost,
              host == currentHost
        else { return }

        let certificateHostSavedPath = CCUtility.getDirectoryCerificates()! + "/" + host + ".der"
        var title = NSLocalizedString("_ssl_certificate_changed_", comment: "")
        
        if !FileManager.default.fileExists(atPath: certificateHostSavedPath) {
            title = NSLocalizedString("_connect_server_anyway_", comment: "")
        }
        
        let alertController = UIAlertController(title: title, message: NSLocalizedString("_server_is_trusted_", comment: ""), preferredStyle: .alert)
        
        alertController.addAction(UIAlertAction(title: NSLocalizedString("_yes_", comment: ""), style: .default, handler: { action in
            NCNetworking.shared.writeCertificate(host: host)
        }))
        
        alertController.addAction(UIAlertAction(title: NSLocalizedString("_no_", comment: ""), style: .default, handler: { action in }))
        
        alertController.addAction(UIAlertAction(title: NSLocalizedString("_certificate_details_", comment: ""), style: .default, handler: { action in
            if let navigationController = UIStoryboard(name: "NCViewCertificateDetails", bundle: nil).instantiateInitialViewController() as? UINavigationController {
                let viewController = navigationController.topViewController as! NCViewCertificateDetails
                viewController.delegate = self
                viewController.host = host
                self.window?.rootViewController?.present(navigationController, animated: true)
            }
        }))
        
        window?.rootViewController?.present(alertController, animated: true)
    }

    func viewCertificateDetailsDismiss(host: String) {
        trustCertificateError(host: host)
    }

    // MARK: - Account

    @objc func settingAccount(_ account: String, urlBase: String, user: String, userId: String, password: String) {

        self.account = account
        self.urlBase = urlBase
        self.user = user
        self.userId = userId
        self.password = password

        _ = NCFunctionCenter.shared

        NCCommunicationCommon.shared.setup(account: account, user: user, userId: userId, password: password, urlBase: urlBase)
        let serverVersionMajor = NCManageDatabase.shared.getCapabilitiesServerInt(account: account, elements: NCElementsJSON.shared.capabilitiesVersionMajor)
        if serverVersionMajor > 0 {
            NCCommunicationCommon.shared.setup(nextcloudVersion: serverVersionMajor)
        }
        NCKTVHTTPCache.shared.restartProxy(user: user, password: password)
    }

    @objc func deleteAccount(_ account: String, wipe: Bool) {

        if let account = NCManageDatabase.shared.getAccount(predicate: NSPredicate(format: "account == %@", account)) {
            NCPushNotification.shared().unsubscribingNextcloudServerPushNotification(account.account, urlBase: account.urlBase, user: account.user, withSubscribing: false)
        }
        
        let results = NCManageDatabase.shared.getTableLocalFiles(predicate: NSPredicate(format: "account == %@", account), sorted: "ocId", ascending: false)
        for result in results {
            CCUtility.removeFile(atPath: CCUtility.getDirectoryProviderStorageOcId(result.ocId))
        }
        NCManageDatabase.shared.clearDatabase(account: account, removeAccount: true)
        
        CCUtility.clearAllKeysEnd(toEnd: account)
        CCUtility.clearAllKeysPushNotification(account)
        CCUtility.setPassword(account, password: nil)

        if wipe {
            settingAccount("", urlBase: "", user: "", userId: "", password: "")
            let accounts = NCManageDatabase.shared.getAccounts()
            if accounts?.count ?? 0 > 0 {
                if let newAccount = accounts?.first {
                    self.changeAccount(newAccount)
                }
            } else {
                openLogin(viewController: window?.rootViewController, selector: NCGlobal.shared.introLogin, openLoginWeb: false)
            }
        }
    }

    @objc func changeAccount(_ account: String) {

        NCManageDatabase.shared.setAccountActive(account)
        if let tableAccount = NCManageDatabase.shared.getActiveAccount() {

            NCOperationQueue.shared.cancelAllQueue()
            NCNetworking.shared.cancelAllTask()

            settingAccount(tableAccount.account, urlBase: tableAccount.urlBase, user: tableAccount.user, userId: tableAccount.userId, password: CCUtility.getPassword(tableAccount.account))

            NotificationCenter.default.postOnMainThread(name: NCGlobal.shared.notificationCenterInitialize)
        }
    }

    // MARK: - Account Request

    func accountRequestChangeAccount(account: String) {
        changeAccount(account)
    }
    
    func requestAccount() {

        if isPasscodePresented() { return }
        if !CCUtility.getAccountRequest() { return }

        let accounts = NCManageDatabase.shared.getAllAccount()

        if accounts.count > 1 {
            
            if let vcAccountRequest = UIStoryboard(name: "NCAccountRequest", bundle: nil).instantiateInitialViewController() as? NCAccountRequest {

                vcAccountRequest.activeAccount = NCManageDatabase.shared.getActiveAccount()
                vcAccountRequest.accounts = accounts
                vcAccountRequest.enableTimerProgress = true
                vcAccountRequest.enableAddAccount = false
                vcAccountRequest.dismissDidEnterBackground = false
                vcAccountRequest.delegate = self

                let screenHeighMax = UIScreen.main.bounds.height - (UIScreen.main.bounds.height/5)
                let numberCell = accounts.count
                let height = min(CGFloat(numberCell * Int(vcAccountRequest.heightCell) + 45), screenHeighMax)

                let popup = NCPopupViewController(contentController: vcAccountRequest, popupWidth: 300, popupHeight: height+20)
                popup.backgroundAlpha = 0.8

                UIApplication.shared.keyWindow?.rootViewController?.present(popup, animated: true)
                
                vcAccountRequest.startTimer()
            }
        }
    }

    // MARK: - Passcode

    func presentPasscode(completion: @escaping () -> ()) {

        let laContext = LAContext()
        var error: NSError?

        defer { self.requestAccount() }

        let presentedViewController = window?.rootViewController?.presentedViewController
        guard !account.isEmpty, CCUtility.isPasscodeAtStartEnabled(), !(presentedViewController is NCLoginNavigationController) else { return }

        // Make sure we have a privacy window (in case it's not enabled)
        showPrivacyProtectionWindow()

        let passcodeViewController = TOPasscodeViewController(passcodeType: .sixDigits, allowCancel: false)
        passcodeViewController.delegate = self
        passcodeViewController.keypadButtonShowLettering = false
        if CCUtility.getEnableTouchFaceID() && laContext.canEvaluatePolicy(.deviceOwnerAuthenticationWithBiometrics, error: &error) {
            if error == nil {
                if laContext.biometryType == .faceID  {
                    passcodeViewController.biometryType = .faceID
                } else if laContext.biometryType == .touchID  {
                    passcodeViewController.biometryType = .touchID
                }
                passcodeViewController.allowBiometricValidation = true
                passcodeViewController.automaticallyPromptForBiometricValidation = false
            }
        }

        // show passcode on top of privacy window
        privacyProtectionWindow?.rootViewController?.present(passcodeViewController, animated: true, completion: {
            completion()
        })
    }

    func isPasscodePresented() -> Bool {
        return privacyProtectionWindow?.rootViewController?.presentedViewController is TOPasscodeViewController
    }

    func enableTouchFaceID() {
        guard !account.isEmpty,
              CCUtility.getEnableTouchFaceID(),
              CCUtility.isPasscodeAtStartEnabled(),
              let passcodeViewController = privacyProtectionWindow?.rootViewController?.presentedViewController as? TOPasscodeViewController
        else { return }

        LAContext().evaluatePolicy(.deviceOwnerAuthenticationWithBiometrics, localizedReason: NCBrandOptions.shared.brand) { (success, error) in
            if success {
                DispatchQueue.main.async {
                    passcodeViewController.dismiss(animated: true) {
                        self.hidePrivacyProtectionWindow()
                        self.requestAccount()
                    }
                }
            }
        }
    }

    func didInputCorrectPasscode(in passcodeViewController: TOPasscodeViewController) {
        DispatchQueue.main.async {
            passcodeViewController.dismiss(animated: true) {
                self.hidePrivacyProtectionWindow()
                self.requestAccount()
            }
        }
    }

    func passcodeViewController(_ passcodeViewController: TOPasscodeViewController, isCorrectCode code: String) -> Bool {
        return code == CCUtility.getPasscode()
    }

    func didPerformBiometricValidationRequest(in passcodeViewController: TOPasscodeViewController) {
        enableTouchFaceID()
    }

    // MARK: - Privacy Protection

    private func showPrivacyProtectionWindow() {
        guard privacyProtectionWindow == nil else {
            privacyProtectionWindow?.isHidden = false
            return
        }

        privacyProtectionWindow = UIWindow(frame: UIScreen.main.bounds)

        let storyboard = UIStoryboard(name: "LaunchScreen", bundle: nil)
        let initialViewController = storyboard.instantiateInitialViewController()

        self.privacyProtectionWindow?.rootViewController = initialViewController

        privacyProtectionWindow?.windowLevel = .alert + 1
        privacyProtectionWindow?.makeKeyAndVisible()
    }

    func hidePrivacyProtectionWindow() {
        guard !(privacyProtectionWindow?.rootViewController?.presentedViewController is TOPasscodeViewController) else { return }
        UIWindow.animate(withDuration: 0.25) {
            self.privacyProtectionWindow?.alpha = 0
        } completion: { _ in
            self.privacyProtectionWindow?.isHidden = true
            self.privacyProtectionWindow = nil
        }
    }
    
    // MARK: - Open URL

    func application(_ app: UIApplication, open url: URL, options: [UIApplication.OpenURLOptionsKey: Any] = [:]) -> Bool {

        if account == "" { return false }

        let scheme = url.scheme
        let action = url.host
        var fileName: String = ""
        var serverUrl: String = ""
        var matchedAccount: tableAccount?

        if scheme == "nextcloud" && action == "open-file" {

            if !isSearchingMode, let urlComponents = URLComponents(url: url, resolvingAgainstBaseURL: false) {

                let queryItems = urlComponents.queryItems
                guard let userScheme = CCUtility.value(forKey: "user", fromQueryItems: queryItems) else { return false }
                guard let pathScheme = CCUtility.value(forKey: "path", fromQueryItems: queryItems) else { return false }
                guard let linkScheme = CCUtility.value(forKey: "link", fromQueryItems: queryItems) else { return false }

                if let activeAccount = NCManageDatabase.shared.getActiveAccount() {

                    let urlBase = URL(string: activeAccount.urlBase)
                    let user = activeAccount.user
                    if linkScheme.contains(urlBase?.host ?? "") && userScheme == user {
                        matchedAccount = activeAccount
                    } else {
                        let accounts = NCManageDatabase.shared.getAllAccount()
                        for account in accounts {
                            guard let accountURL = URL(string: account.urlBase) else { return false }
                            if linkScheme.contains(accountURL.host ?? "") && userScheme == account.user {
                                changeAccount(account.account)
                                matchedAccount = account
                                break
                            }
                        }
                    }

                    if matchedAccount != nil {

                        let webDAV = NCUtilityFileSystem.shared.getWebDAV(account: self.account) + "/files/" + self.userId
                        if pathScheme.contains("/") {
                            fileName = (pathScheme as NSString).lastPathComponent
                            serverUrl = matchedAccount!.urlBase + "/" + webDAV + "/" + (pathScheme as NSString).deletingLastPathComponent
                        } else {
                            fileName = pathScheme
                            serverUrl = matchedAccount!.urlBase + "/" + webDAV
                        }

                        DispatchQueue.main.asyncAfter(deadline: .now() + 0.5) {
                            NCFunctionCenter.shared.openFileViewInFolder(serverUrl: serverUrl, fileNameBlink: fileName)
                        }

                    } else {

                        guard let domain = URL(string: linkScheme)?.host else { return true }
                        fileName = (pathScheme as NSString).lastPathComponent
                        let message = String(format: NSLocalizedString("_account_not_available_", comment: ""), userScheme, domain, fileName)

                        let alertController = UIAlertController(title: NSLocalizedString("_info_", comment: ""), message: message, preferredStyle: .alert)
                        alertController.addAction(UIAlertAction(title: NSLocalizedString("_ok_", comment: ""), style: .default, handler: { _ in }))

                        window?.rootViewController?.present(alertController, animated: true, completion: { })

                        return false
                    }
                }
            }
        }

        return true
    }
}

// MARK: - NCAudioRecorder ViewController Delegate

extension AppDelegate: NCAudioRecorderViewControllerDelegate {

    func didFinishRecording(_ viewController: NCAudioRecorderViewController, fileName: String) {

        guard
            let navigationController = UIStoryboard(name: "NCCreateFormUploadVoiceNote", bundle: nil).instantiateInitialViewController() as? UINavigationController,
                let viewController = navigationController.topViewController as? NCCreateFormUploadVoiceNote
        else { return }
        navigationController.modalPresentationStyle = .formSheet
        viewController.setup(serverUrl: activeServerUrl, fileNamePath: NSTemporaryDirectory() + fileName, fileName: fileName)
        window?.rootViewController?.present(navigationController, animated: true)
    }

    func didFinishWithoutRecording(_ viewController: NCAudioRecorderViewController, fileName: String) {
    }
}

extension AppDelegate: NCCreateFormUploadConflictDelegate {
    func dismissCreateFormUploadConflict(metadatas: [tableMetadata]?) {
        guard let metadatas = metadatas, !metadatas.isEmpty else { return }
        networkingProcessUpload?.createProcessUploads(metadatas: metadatas)
    }
}