mirror of
https://github.com/nextcloud/desktop.git
synced 2024-11-22 21:15:55 +03:00
698 lines
32 KiB
Swift
698 lines
32 KiB
Swift
/*
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* Copyright (C) 2022 by Claudio Cambra <claudio.cambra@nextcloud.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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import FileProvider
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import NCDesktopClientSocketKit
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import NextcloudKit
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import NextcloudFileProviderKit
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import OSLog
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@objc class FileProviderExtension: NSObject, NSFileProviderReplicatedExtension, NKCommonDelegate {
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let domain: NSFileProviderDomain
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let ncKit = NextcloudKit()
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let appGroupIdentifier = Bundle.main.object(forInfoDictionaryKey: "SocketApiPrefix") as? String
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var ncAccount: Account?
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lazy var ncKitBackground = NKBackground(nkCommonInstance: ncKit.nkCommonInstance)
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lazy var socketClient: LocalSocketClient? = {
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guard let containerUrl = pathForAppGroupContainer() else {
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Logger.fileProviderExtension.critical("Won't start socket client, no container url")
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return nil;
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}
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let socketPath = containerUrl.appendingPathComponent(
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".fileprovidersocket", conformingTo: .archive)
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let lineProcessor = FileProviderSocketLineProcessor(delegate: self)
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return LocalSocketClient(socketPath: socketPath.path, lineProcessor: lineProcessor)
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}()
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let urlSessionIdentifier = "com.nextcloud.session.upload.fileproviderext"
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let urlSessionMaximumConnectionsPerHost = 5
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lazy var urlSession: URLSession = {
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let configuration = URLSessionConfiguration.background(withIdentifier: urlSessionIdentifier)
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configuration.allowsCellularAccess = true
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configuration.sessionSendsLaunchEvents = true
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configuration.isDiscretionary = false
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configuration.httpMaximumConnectionsPerHost = urlSessionMaximumConnectionsPerHost
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configuration.requestCachePolicy = NSURLRequest.CachePolicy.reloadIgnoringLocalCacheData
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configuration.sharedContainerIdentifier = appGroupIdentifier
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let session = URLSession(
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configuration: configuration,
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delegate: ncKitBackground,
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delegateQueue: OperationQueue.main
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)
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return session
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}()
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// Whether or not we are going to recursively scan new folders when they are discovered.
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// Apple's recommendation is that we should always scan the file hierarchy fully.
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// This does lead to long load times when a file provider domain is initially configured.
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// We can instead do a fast enumeration where we only scan folders as the user navigates through
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// them, thereby avoiding this issue; the trade-off is that we will be unable to detect
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// materialised file moves to unexplored folders, therefore deleting the item when we could have
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// just moved it instead.
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//
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// Since it's not desirable to cancel a long recursive enumeration half-way through, we do the
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// fast enumeration by default. We prompt the user on the client side to run a proper, full
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// enumeration if they want for safety.
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lazy var config = FileProviderConfig(domainIdentifier: domain.identifier)
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required init(domain: NSFileProviderDomain) {
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// The containing application must create a domain using
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// `NSFileProviderManager.add(_:, completionHandler:)`. The system will then launch the
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// application extension process, call `FileProviderExtension.init(domain:)` to instantiate
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// the extension for that domain, and call methods on the instance.
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self.domain = domain
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super.init()
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socketClient?.start()
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}
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func invalidate() {
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// TODO: cleanup any resources
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Logger.fileProviderExtension.debug(
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"Extension for domain \(self.domain.displayName, privacy: .public) is being torn down"
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)
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}
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// MARK: - NSFileProviderReplicatedExtension protocol methods
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func item(
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for identifier: NSFileProviderItemIdentifier,
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request _: NSFileProviderRequest,
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completionHandler: @escaping (NSFileProviderItem?, Error?) -> Void
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) -> Progress {
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if let item = Item.storedItem(identifier: identifier, usingKit: ncKit) {
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completionHandler(item, nil)
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} else {
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completionHandler(nil, NSFileProviderError(.noSuchItem))
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}
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return Progress()
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}
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func fetchContents(
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for itemIdentifier: NSFileProviderItemIdentifier,
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version requestedVersion: NSFileProviderItemVersion?,
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request: NSFileProviderRequest,
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completionHandler: @escaping (URL?, NSFileProviderItem?, Error?) -> Void
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) -> Progress {
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Logger.fileProviderExtension.debug(
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"Received request to fetch contents of item with identifier: \(itemIdentifier.rawValue, privacy: .public)"
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)
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guard requestedVersion == nil else {
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// TODO: Add proper support for file versioning
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Logger.fileProviderExtension.error(
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"Can't return contents for a specific version as this is not supported."
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)
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completionHandler(
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nil,
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nil,
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NSError(domain: NSCocoaErrorDomain, code: NSFeatureUnsupportedError)
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)
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return Progress()
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}
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guard ncAccount != nil else {
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Logger.fileProviderExtension.error(
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"Not fetching contents item: \(itemIdentifier.rawValue, privacy: .public) as account not set up yet"
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)
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completionHandler(nil, nil, NSFileProviderError(.notAuthenticated))
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return Progress()
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}
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let progress = Progress()
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Task {
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let (localUrl, updatedItem, error) = Item.fetchContents(
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domain: self.domain, progress: progress
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)
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completionHandler(localUrl, updatedItem, error)
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}
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return progress
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}
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func createItem(
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basedOn itemTemplate: NSFileProviderItem, fields _: NSFileProviderItemFields,
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contents url: URL?, options: NSFileProviderCreateItemOptions = [],
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request: NSFileProviderRequest,
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completionHandler: @escaping (NSFileProviderItem?, NSFileProviderItemFields, Bool, Error?)
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->
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Void
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) -> Progress {
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// TODO: a new item was created on disk, process the item's creation
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Logger.fileProviderExtension.debug(
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"Received create item request for item with identifier: \(itemTemplate.itemIdentifier.rawValue, privacy: .public) and filename: \(itemTemplate.filename, privacy: .public)"
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)
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guard itemTemplate.contentType != .symbolicLink else {
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Logger.fileProviderExtension.error("Cannot create item, symbolic links not supported.")
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completionHandler(
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itemTemplate, NSFileProviderItemFields(), false,
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NSError(domain: NSCocoaErrorDomain, code: NSFeatureUnsupportedError, userInfo: [:]))
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return Progress()
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}
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guard let ncAccount else {
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Logger.fileProviderExtension.error(
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"Not creating item: \(itemTemplate.itemIdentifier.rawValue, privacy: .public) as account not set up yet"
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)
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completionHandler(
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itemTemplate, NSFileProviderItemFields(), false,
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NSFileProviderError(.notAuthenticated))
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return Progress()
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}
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let dbManager = FilesDatabaseManager.shared
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let parentItemIdentifier = itemTemplate.parentItemIdentifier
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let itemTemplateIsFolder =
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itemTemplate.contentType == .folder || itemTemplate.contentType == .directory
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if options.contains(.mayAlreadyExist) {
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// TODO: This needs to be properly handled with a check in the db
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Logger.fileProviderExtension.info(
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"Not creating item: \(itemTemplate.itemIdentifier.rawValue, privacy: .public) as it may already exist"
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)
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completionHandler(
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itemTemplate, NSFileProviderItemFields(), false, NSFileProviderError(.noSuchItem))
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return Progress()
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}
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var parentItemServerUrl: String
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if parentItemIdentifier == .rootContainer {
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parentItemServerUrl = ncAccount.davFilesUrl
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} else {
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guard
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let parentItemMetadata = dbManager.directoryMetadata(
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ocId: parentItemIdentifier.rawValue)
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else {
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Logger.fileProviderExtension.error(
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"Not creating item: \(itemTemplate.itemIdentifier.rawValue, privacy: .public), could not find metadata for parentItemIdentifier \(parentItemIdentifier.rawValue, privacy: .public)"
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)
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completionHandler(
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itemTemplate, NSFileProviderItemFields(), false,
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NSFileProviderError(.noSuchItem))
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return Progress()
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}
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parentItemServerUrl = parentItemMetadata.serverUrl + "/" + parentItemMetadata.fileName
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}
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let fileNameLocalPath = url?.path ?? ""
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let newServerUrlFileName = parentItemServerUrl + "/" + itemTemplate.filename
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Logger.fileProviderExtension.debug(
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"About to upload item with identifier: \(itemTemplate.itemIdentifier.rawValue, privacy: .public) of type: \(itemTemplate.contentType?.identifier ?? "UNKNOWN") (is folder: \(itemTemplateIsFolder ? "yes" : "no") and filename: \(itemTemplate.filename) to server url: \(newServerUrlFileName, privacy: .public) with contents located at: \(fileNameLocalPath, privacy: .public)"
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)
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if itemTemplateIsFolder {
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ncKit.createFolder(serverUrlFileName: newServerUrlFileName) { account, _, _, error in
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guard error == .success else {
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Logger.fileTransfer.error(
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"Could not create new folder with name: \(itemTemplate.filename, privacy: .public), received error: \(error.errorDescription, privacy: .public)"
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)
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completionHandler(itemTemplate, [], false, error.fileProviderError)
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return
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}
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// Read contents after creation
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self.ncKit.readFileOrFolder(
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serverUrlFileName: newServerUrlFileName, depth: "0", showHiddenFiles: true
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) { account, files, _, error in
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guard error == .success else {
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Logger.fileTransfer.error(
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"Could not read new folder with name: \(itemTemplate.filename, privacy: .public), received error: \(error.errorDescription, privacy: .public)"
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)
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return
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}
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DispatchQueue.global().async {
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ItemMetadata.metadatasFromDirectoryReadNKFiles(
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files, account: account
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) {
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directoryMetadata, _, _ in
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dbManager.addItemMetadata(directoryMetadata)
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let fpItem = Item(
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metadata: directoryMetadata,
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parentItemIdentifier: parentItemIdentifier,
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ncKit: self.ncKit
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)
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completionHandler(fpItem, [], true, nil)
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}
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}
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}
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}
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return Progress()
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}
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let progress = Progress()
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ncKit.upload(
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serverUrlFileName: newServerUrlFileName,
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fileNameLocalPath: fileNameLocalPath,
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requestHandler: { request in
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progress.setHandlersFromAfRequest(request)
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},
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taskHandler: { task in
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NSFileProviderManager(for: self.domain)?.register(
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task, forItemWithIdentifier: itemTemplate.itemIdentifier,
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completionHandler: { _ in })
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},
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progressHandler: { uploadProgress in
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uploadProgress.copyCurrentStateToProgress(progress)
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}
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) { account, ocId, etag, date, size, _, _, error in
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guard error == .success, let ocId else {
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Logger.fileTransfer.error(
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"Could not upload item with filename: \(itemTemplate.filename, privacy: .public), received error: \(error.errorDescription, privacy: .public)"
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)
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completionHandler(itemTemplate, [], false, error.fileProviderError)
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return
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}
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Logger.fileTransfer.info(
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"Successfully uploaded item with identifier: \(ocId, privacy: .public) and filename: \(itemTemplate.filename, privacy: .public)"
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)
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if size != itemTemplate.documentSize as? Int64 {
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Logger.fileTransfer.warning(
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"Created item upload reported as successful, but there are differences between the received file size (\(size, privacy: .public)) and the original file size (\(itemTemplate.documentSize??.int64Value ?? 0))"
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)
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}
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let newMetadata = ItemMetadata()
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newMetadata.date = (date ?? NSDate()) as Date
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newMetadata.etag = etag ?? ""
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newMetadata.account = account
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newMetadata.fileName = itemTemplate.filename
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newMetadata.fileNameView = itemTemplate.filename
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newMetadata.ocId = ocId
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newMetadata.size = size
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newMetadata.contentType = itemTemplate.contentType?.preferredMIMEType ?? ""
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newMetadata.directory = itemTemplateIsFolder
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newMetadata.serverUrl = parentItemServerUrl
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newMetadata.session = ""
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newMetadata.sessionError = ""
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newMetadata.sessionTaskIdentifier = 0
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newMetadata.status = ItemMetadata.Status.normal.rawValue
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dbManager.addLocalFileMetadataFromItemMetadata(newMetadata)
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dbManager.addItemMetadata(newMetadata)
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let fpItem = Item(
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metadata: newMetadata, parentItemIdentifier: parentItemIdentifier, ncKit: self.ncKit
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)
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completionHandler(fpItem, [], false, nil)
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}
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return progress
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}
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func modifyItem(
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_ item: NSFileProviderItem, baseVersion _: NSFileProviderItemVersion,
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changedFields: NSFileProviderItemFields, contents newContents: URL?,
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options: NSFileProviderModifyItemOptions = [], request: NSFileProviderRequest,
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completionHandler: @escaping (NSFileProviderItem?, NSFileProviderItemFields, Bool, Error?)
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->
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Void
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) -> Progress {
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// An item was modified on disk, process the item's modification
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// TODO: Handle finder things like tags, other possible item changed fields
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Logger.fileProviderExtension.debug(
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"Received modify item request for item with identifier: \(item.itemIdentifier.rawValue, privacy: .public) and filename: \(item.filename, privacy: .public)"
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)
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guard let ncAccount else {
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Logger.fileProviderExtension.error(
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"Not modifying item: \(item.itemIdentifier.rawValue, privacy: .public) as account not set up yet"
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)
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completionHandler(item, [], false, NSFileProviderError(.notAuthenticated))
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return Progress()
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}
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let dbManager = FilesDatabaseManager.shared
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let parentItemIdentifier = item.parentItemIdentifier
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let itemTemplateIsFolder = item.contentType == .folder || item.contentType == .directory
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if options.contains(.mayAlreadyExist) {
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// TODO: This needs to be properly handled with a check in the db
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Logger.fileProviderExtension.warning(
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"Modification for item: \(item.itemIdentifier.rawValue, privacy: .public) may already exist"
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)
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}
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var parentItemServerUrl: String
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if parentItemIdentifier == .rootContainer {
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parentItemServerUrl = ncAccount.davFilesUrl
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} else {
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guard
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let parentItemMetadata = dbManager.directoryMetadata(
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ocId: parentItemIdentifier.rawValue)
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else {
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Logger.fileProviderExtension.error(
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"Not modifying item: \(item.itemIdentifier.rawValue, privacy: .public), could not find metadata for parentItemIdentifier \(parentItemIdentifier.rawValue, privacy: .public)"
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)
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completionHandler(item, [], false, NSFileProviderError(.noSuchItem))
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return Progress()
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}
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parentItemServerUrl = parentItemMetadata.serverUrl + "/" + parentItemMetadata.fileName
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}
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let fileNameLocalPath = newContents?.path ?? ""
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let newServerUrlFileName = parentItemServerUrl + "/" + item.filename
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Logger.fileProviderExtension.debug(
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"About to upload modified item with identifier: \(item.itemIdentifier.rawValue, privacy: .public) of type: \(item.contentType?.identifier ?? "UNKNOWN") (is folder: \(itemTemplateIsFolder ? "yes" : "no") and filename: \(item.filename, privacy: .public) to server url: \(newServerUrlFileName, privacy: .public) with contents located at: \(fileNameLocalPath, privacy: .public)"
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)
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var modifiedItem = item
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// Create a serial dispatch queue
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// We want to wait for network operations to finish before we fire off subsequent network
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// operations, or we might cause explosions (e.g. trying to modify items that have just been
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// moved elsewhere)
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let dispatchQueue = DispatchQueue(label: "modifyItemQueue", qos: .userInitiated)
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if changedFields.contains(.filename) || changedFields.contains(.parentItemIdentifier) {
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dispatchQueue.async {
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let ocId = item.itemIdentifier.rawValue
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Logger.fileProviderExtension.debug(
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"Changed fields for item \(ocId, privacy: .public) with filename \(item.filename, privacy: .public) includes filename or parentitemidentifier..."
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)
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guard let metadata = dbManager.itemMetadataFromOcId(ocId) else {
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Logger.fileProviderExtension.error(
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"Could not acquire metadata of item with identifier: \(item.itemIdentifier.rawValue, privacy: .public)"
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)
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completionHandler(item, [], false, NSFileProviderError(.noSuchItem))
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return
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}
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var renameError: NSFileProviderError?
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let oldServerUrlFileName = metadata.serverUrl + "/" + metadata.fileName
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let moveFileOrFolderDispatchGroup = DispatchGroup() // Make this block wait until done
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moveFileOrFolderDispatchGroup.enter()
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self.ncKit.moveFileOrFolder(
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serverUrlFileNameSource: oldServerUrlFileName,
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serverUrlFileNameDestination: newServerUrlFileName,
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overwrite: false
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) { _, error in
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guard error == .success else {
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Logger.fileTransfer.error(
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"Could not move file or folder: \(oldServerUrlFileName, privacy: .public) to \(newServerUrlFileName, privacy: .public), received error: \(error.errorDescription, privacy: .public)"
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)
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renameError = error.fileProviderError
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moveFileOrFolderDispatchGroup.leave()
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return
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}
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// Remember that a folder metadata's serverUrl is its direct server URL, while for
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// an item metadata the server URL is the parent folder's URL
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if itemTemplateIsFolder {
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_ = dbManager.renameDirectoryAndPropagateToChildren(
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ocId: ocId, newServerUrl: newServerUrlFileName,
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newFileName: item.filename)
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self.signalEnumerator { error in
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if error != nil {
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Logger.fileTransfer.error(
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"Error notifying change in moved directory: \(error)")
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}
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}
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} else {
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dbManager.renameItemMetadata(
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ocId: ocId, newServerUrl: parentItemServerUrl,
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newFileName: item.filename)
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}
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guard let newMetadata = dbManager.itemMetadataFromOcId(ocId) else {
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Logger.fileTransfer.error(
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"Could not acquire metadata of item with identifier: \(ocId, privacy: .public), cannot correctly inform of modification"
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)
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renameError = NSFileProviderError(.noSuchItem)
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moveFileOrFolderDispatchGroup.leave()
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return
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}
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modifiedItem = Item(
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metadata: newMetadata,
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parentItemIdentifier: parentItemIdentifier,
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ncKit: self.ncKit
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)
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moveFileOrFolderDispatchGroup.leave()
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}
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moveFileOrFolderDispatchGroup.wait()
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guard renameError == nil else {
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Logger.fileTransfer.error(
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"Stopping rename of item with ocId \(ocId, privacy: .public) due to error: \(renameError!.localizedDescription, privacy: .public)"
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)
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completionHandler(modifiedItem, [], false, renameError)
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return
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}
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guard !itemTemplateIsFolder else {
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Logger.fileTransfer.debug(
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"Only handling renaming for folders. ocId: \(ocId, privacy: .public)")
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completionHandler(modifiedItem, [], false, nil)
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return
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}
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}
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// Return the progress if item is folder here while the async block runs
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guard !itemTemplateIsFolder else {
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return Progress()
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}
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}
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guard !itemTemplateIsFolder else {
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Logger.fileTransfer.debug(
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"System requested modification for folder with ocID \(item.itemIdentifier.rawValue, privacy: .public) (\(newServerUrlFileName, privacy: .public)) of something other than folder name."
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)
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completionHandler(modifiedItem, [], false, nil)
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return Progress()
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}
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let progress = Progress()
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if changedFields.contains(.contents) {
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dispatchQueue.async {
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Logger.fileProviderExtension.debug(
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"Item modification for \(item.itemIdentifier.rawValue, privacy: .public) \(item.filename, privacy: .public) includes contents"
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)
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|
|
guard newContents != nil else {
|
|
Logger.fileProviderExtension.warning(
|
|
"WARNING. Could not upload modified contents as was provided nil contents url. ocId: \(item.itemIdentifier.rawValue, privacy: .public)"
|
|
)
|
|
completionHandler(modifiedItem, [], false, NSFileProviderError(.noSuchItem))
|
|
return
|
|
}
|
|
|
|
let ocId = item.itemIdentifier.rawValue
|
|
guard let metadata = dbManager.itemMetadataFromOcId(ocId) else {
|
|
Logger.fileProviderExtension.error(
|
|
"Could not acquire metadata of item with identifier: \(ocId, privacy: .public)"
|
|
)
|
|
completionHandler(
|
|
item, NSFileProviderItemFields(), false, NSFileProviderError(.noSuchItem))
|
|
return
|
|
}
|
|
|
|
dbManager.setStatusForItemMetadata(
|
|
metadata, status: ItemMetadata.Status.uploading
|
|
) { updatedMetadata in
|
|
|
|
if updatedMetadata == nil {
|
|
Logger.fileProviderExtension.warning(
|
|
"Could not acquire updated metadata of item with identifier: \(ocId, privacy: .public), unable to update item status to uploading"
|
|
)
|
|
}
|
|
|
|
self.ncKit.upload(
|
|
serverUrlFileName: newServerUrlFileName,
|
|
fileNameLocalPath: fileNameLocalPath,
|
|
requestHandler: { request in
|
|
progress.setHandlersFromAfRequest(request)
|
|
},
|
|
taskHandler: { task in
|
|
NSFileProviderManager(for: self.domain)?.register(
|
|
task, forItemWithIdentifier: item.itemIdentifier,
|
|
completionHandler: { _ in })
|
|
},
|
|
progressHandler: { uploadProgress in
|
|
uploadProgress.copyCurrentStateToProgress(progress)
|
|
}
|
|
) { account, ocId, etag, date, size, _, _, error in
|
|
if error == .success, let ocId {
|
|
Logger.fileProviderExtension.info(
|
|
"Successfully uploaded item with identifier: \(ocId, privacy: .public) and filename: \(item.filename, privacy: .public)"
|
|
)
|
|
|
|
if size != item.documentSize as? Int64 {
|
|
Logger.fileTransfer.warning(
|
|
"Created item upload reported as successful, but there are differences between the received file size (\(size, privacy: .public)) and the original file size (\(item.documentSize??.int64Value ?? 0))"
|
|
)
|
|
}
|
|
|
|
let newMetadata = ItemMetadata()
|
|
newMetadata.date = (date ?? NSDate()) as Date
|
|
newMetadata.etag = etag ?? ""
|
|
newMetadata.account = account
|
|
newMetadata.fileName = item.filename
|
|
newMetadata.fileNameView = item.filename
|
|
newMetadata.ocId = ocId
|
|
newMetadata.size = size
|
|
newMetadata.contentType = item.contentType?.preferredMIMEType ?? ""
|
|
newMetadata.directory = itemTemplateIsFolder
|
|
newMetadata.serverUrl = parentItemServerUrl
|
|
newMetadata.session = ""
|
|
newMetadata.sessionError = ""
|
|
newMetadata.sessionTaskIdentifier = 0
|
|
newMetadata.status = ItemMetadata.Status.normal.rawValue
|
|
|
|
dbManager.addLocalFileMetadataFromItemMetadata(newMetadata)
|
|
dbManager.addItemMetadata(newMetadata)
|
|
|
|
modifiedItem = Item(
|
|
metadata: newMetadata,
|
|
parentItemIdentifier: parentItemIdentifier,
|
|
ncKit: self.ncKit
|
|
)
|
|
completionHandler(modifiedItem, [], false, nil)
|
|
} else {
|
|
Logger.fileTransfer.error(
|
|
"Could not upload item \(item.itemIdentifier.rawValue, privacy: .public) with filename: \(item.filename, privacy: .public), received error: \(error.errorDescription, privacy: .public)"
|
|
)
|
|
|
|
metadata.status = ItemMetadata.Status.uploadError.rawValue
|
|
metadata.sessionError = error.errorDescription
|
|
|
|
dbManager.addItemMetadata(metadata)
|
|
|
|
completionHandler(modifiedItem, [], false, error.fileProviderError)
|
|
return
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
Logger.fileProviderExtension.debug(
|
|
"Nothing more to do with \(item.itemIdentifier.rawValue, privacy: .public) \(item.filename, privacy: .public), modifications complete"
|
|
)
|
|
completionHandler(modifiedItem, [], false, nil)
|
|
}
|
|
|
|
return progress
|
|
}
|
|
|
|
func deleteItem(
|
|
identifier: NSFileProviderItemIdentifier,
|
|
baseVersion _: NSFileProviderItemVersion,
|
|
options _: NSFileProviderDeleteItemOptions = [],
|
|
request _: NSFileProviderRequest,
|
|
completionHandler: @escaping (Error?) -> Void
|
|
) -> Progress {
|
|
Logger.fileProviderExtension.debug(
|
|
"Received delete request for item: \(identifier.rawValue, privacy: .public)"
|
|
)
|
|
|
|
guard ncAccount != nil else {
|
|
Logger.fileProviderExtension.error(
|
|
"Not deleting item \(identifier.rawValue, privacy: .public), account not set up yet"
|
|
)
|
|
completionHandler(NSFileProviderError(.notAuthenticated))
|
|
return Progress()
|
|
}
|
|
|
|
|
|
guard let item = Item.storedItem(identifier: identifier, usingKit: ncKit) else {
|
|
completionHandler(NSFileProviderError(.noSuchItem))
|
|
return Progress()
|
|
}
|
|
|
|
let progress = Progress(totalUnitCount: 1)
|
|
Task {
|
|
completionHandler(await item.delete())
|
|
progress.completedUnitCount = 1
|
|
}
|
|
return progress
|
|
}
|
|
|
|
func enumerator(
|
|
for containerItemIdentifier: NSFileProviderItemIdentifier, request _: NSFileProviderRequest
|
|
) throws -> NSFileProviderEnumerator {
|
|
guard let ncAccount else {
|
|
Logger.fileProviderExtension.error(
|
|
"Not providing enumerator for container with identifier \(containerItemIdentifier.rawValue, privacy: .public) yet as account not set up"
|
|
)
|
|
throw NSFileProviderError(.notAuthenticated)
|
|
}
|
|
|
|
return Enumerator(
|
|
enumeratedItemIdentifier: containerItemIdentifier,
|
|
ncAccount: ncAccount,
|
|
ncKit: ncKit,
|
|
fastEnumeration: config.fastEnumerationEnabled
|
|
)
|
|
}
|
|
|
|
func materializedItemsDidChange(completionHandler: @escaping () -> Void) {
|
|
guard let ncAccount else {
|
|
Logger.fileProviderExtension.error(
|
|
"Not purging stale local file metadatas, account not set up")
|
|
completionHandler()
|
|
return
|
|
}
|
|
|
|
guard let fpManager = NSFileProviderManager(for: domain) else {
|
|
Logger.fileProviderExtension.error(
|
|
"Could not get file provider manager for domain: \(self.domain.displayName, privacy: .public)"
|
|
)
|
|
completionHandler()
|
|
return
|
|
}
|
|
|
|
let materialisedEnumerator = fpManager.enumeratorForMaterializedItems()
|
|
let materialisedObserver = MaterialisedEnumerationObserver(
|
|
ncKitAccount: ncAccount.ncKitAccount
|
|
) { _ in
|
|
completionHandler()
|
|
}
|
|
let startingPage = NSFileProviderPage(NSFileProviderPage.initialPageSortedByName as Data)
|
|
|
|
materialisedEnumerator.enumerateItems(for: materialisedObserver, startingAt: startingPage)
|
|
}
|
|
|
|
func signalEnumerator(completionHandler: @escaping (_ error: Error?) -> Void) {
|
|
guard let fpManager = NSFileProviderManager(for: domain) else {
|
|
Logger.fileProviderExtension.error(
|
|
"Could not get file provider manager for domain, could not signal enumerator. This might lead to future conflicts."
|
|
)
|
|
return
|
|
}
|
|
|
|
fpManager.signalEnumerator(for: .workingSet, completionHandler: completionHandler)
|
|
}
|
|
}
|