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//
// NCNetworkingUploadChunk.swift
// Nextcloud
//
// Created by Marino Faggiana on 05/04/21.
// Copyright © 2021 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 NCCommunication
import Queuer
extension NCNetworking {
internal func uploadChunkedFile(metadata: tableMetadata, start: @escaping () -> Void, completion: @escaping (_ errorCode: Int, _ errorDescription: String) -> Void) {
let directoryProviderStorageOcId = CCUtility.getDirectoryProviderStorageOcId(metadata.ocId)!
let chunkFolder = NCManageDatabase.shared.getChunkFolder(account: metadata.account, ocId: metadata.ocId)
let chunkFolderPath = metadata.urlBase + "/" + NCUtilityFileSystem.shared.getWebDAV(account: metadata.account) + "/uploads/" + metadata.userId + "/" + chunkFolder
let fileNameLocalPath = CCUtility.getDirectoryProviderStorageOcId(metadata.ocId, fileNameView: metadata.fileNameView)!
let chunkSize = CCUtility.getChunkSize()
let fileSizeInGB = Double(metadata.size) / 1e9
let ocIdTemp = metadata.ocId
let selector = metadata.sessionSelector
var uploadErrorCode: Int = 0
var uploadErrorDescription: String = ""
var filesNames = NCManageDatabase.shared.getChunks(account: metadata.account, ocId: metadata.ocId)
if filesNames.count == 0 {
NCContentPresenter.shared.noteTop(text: NSLocalizedString("_upload_chunk_", comment: ""), image: nil, type: NCContentPresenter.messageType.info, delay: .infinity, priority: .max)
filesNames = NCCommunicationCommon.shared.chunkedFile(inputDirectory: directoryProviderStorageOcId, outputDirectory: directoryProviderStorageOcId, fileName: metadata.fileName, chunkSizeMB: chunkSize)
if filesNames.count > 0 {
NCManageDatabase.shared.addChunks(account: metadata.account, ocId: metadata.ocId, chunkFolder: chunkFolder, fileNames: filesNames)
} else {
NCContentPresenter.shared.dismiss()
NCContentPresenter.shared.messageNotification("_error_", description: "_err_file_not_found_", delay: NCGlobal.shared.dismissAfterSecond, type: NCContentPresenter.messageType.error, errorCode: NCGlobal.shared.errorReadFile)
NCManageDatabase.shared.deleteMetadata(predicate: NSPredicate(format: "ocId == %@", metadata.ocId))
return completion(uploadErrorCode, uploadErrorDescription)
}
} else {
NotificationCenter.default.postOnMainThread(name: NCGlobal.shared.notificationCenterReloadDataSource, userInfo: ["serverUrl": metadata.serverUrl])
}
createChunkedFolder(chunkFolderPath: chunkFolderPath, account: metadata.account) { errorCode, errorDescription in
NCContentPresenter.shared.dismiss(after: NCGlobal.shared.dismissAfterSecond)
start()
guard errorCode == 0 else {
self.uploadChunkFileError(metadata: metadata, chunkFolderPath: chunkFolderPath, directoryProviderStorageOcId: directoryProviderStorageOcId, errorCode: errorCode, errorDescription: errorDescription)
completion(errorCode, errorDescription)
return
}
NotificationCenter.default.postOnMainThread(name: NCGlobal.shared.notificationCenterUploadStartFile, userInfo: ["ocId": metadata.ocId, "serverUrl": metadata.serverUrl, "account": metadata.account, "fileName": metadata.fileName, "sessionSelector": metadata.sessionSelector])
for fileName in filesNames {
let serverUrlFileName = chunkFolderPath + "/" + fileName
let fileNameChunkLocalPath = CCUtility.getDirectoryProviderStorageOcId(metadata.ocId, fileNameView: fileName)!
var size: Int64?
if let tableChunk = NCManageDatabase.shared.getChunk(account: metadata.account, fileName: fileName) {
size = tableChunk.size - NCUtilityFileSystem.shared.getFileSize(filePath: fileNameChunkLocalPath)
}
let semaphore = Semaphore()
NCCommunication.shared.upload(serverUrlFileName: serverUrlFileName, fileNameLocalPath: fileNameChunkLocalPath, requestHandler: { request in
self.uploadRequest[fileNameLocalPath] = request
}, taskHandler: { task in
NCManageDatabase.shared.setMetadataSession(ocId: metadata.ocId, sessionError: "", sessionTaskIdentifier: task.taskIdentifier, status: NCGlobal.shared.metadataStatusUploading)
NCCommunicationCommon.shared.writeLog("Upload chunk: " + fileName)
}, progressHandler: { progress in
if let size = size {
let totalBytesExpected = metadata.size
let totalBytes = size + progress.completedUnitCount
let fractionCompleted = Float(totalBytes) / Float(totalBytesExpected)
NotificationCenter.default.postOnMainThread(
name: NCGlobal.shared.notificationCenterProgressTask,
object: nil,
userInfo: [
"account": metadata.account,
"ocId": metadata.ocId,
"fileName": metadata.fileName,
"serverUrl": metadata.serverUrl,
"status": NSNumber(value: NCGlobal.shared.metadataStatusInUpload),
"progress": NSNumber(value: fractionCompleted),
"totalBytes": NSNumber(value: totalBytes),
"totalBytesExpected": NSNumber(value: totalBytesExpected)])
}
}) { _, _, _, _, _, _, _, errorCode, errorDescription in
self.uploadRequest.removeValue(forKey: fileNameLocalPath)
uploadErrorCode = errorCode
uploadErrorDescription = errorDescription
semaphore.continue()
}
semaphore.wait()
if uploadErrorCode == 0 {
NCManageDatabase.shared.deleteChunk(account: metadata.account, ocId: metadata.ocId, fileName: fileName)
} else {
break
}
}
guard uploadErrorCode == 0 else {
self.uploadChunkFileError(metadata: metadata, chunkFolderPath: chunkFolderPath, directoryProviderStorageOcId: directoryProviderStorageOcId, errorCode: uploadErrorCode, errorDescription: uploadErrorDescription)
completion(errorCode, errorDescription)
return
}
// Assembling the chunks
let serverUrlFileNameSource = chunkFolderPath + "/.file"
let pathServerUrl = CCUtility.returnPathfromServerUrl(metadata.serverUrl, urlBase: metadata.urlBase, account: metadata.account)!
let serverUrlFileNameDestination = metadata.urlBase + "/" + NCUtilityFileSystem.shared.getWebDAV(account: metadata.account) + "/files/" + metadata.userId + pathServerUrl + "/" + metadata.fileName
var addCustomHeaders: [String: String] = [:]
let creationDate = "\(metadata.creationDate.timeIntervalSince1970)"
let modificationDate = "\(metadata.date.timeIntervalSince1970)"
addCustomHeaders["X-OC-CTime"] = creationDate
addCustomHeaders["X-OC-MTime"] = modificationDate
// Calculate Assemble Timeout
let ASSEMBLE_TIME_PER_GB: Double = 3 * 60 // 3 min
let ASSEMBLE_TIME_MIN: Double = 60 // 60 sec
let ASSEMBLE_TIME_MAX: Double = 30 * 60 // 30 min
let timeout = max(ASSEMBLE_TIME_MIN, min(ASSEMBLE_TIME_PER_GB * fileSizeInGB, ASSEMBLE_TIME_MAX))
NCCommunication.shared.moveFileOrFolder(serverUrlFileNameSource: serverUrlFileNameSource, serverUrlFileNameDestination: serverUrlFileNameDestination, overwrite: true, addCustomHeaders: addCustomHeaders, timeout: timeout, queue: DispatchQueue.global(qos: .background)) { _, errorCode, errorDescription in
NCCommunicationCommon.shared.writeLog("Assembling chunk with error code: \(errorCode)")
guard uploadErrorCode == 0 else {
self.uploadChunkFileError(metadata: metadata, chunkFolderPath: chunkFolderPath, directoryProviderStorageOcId: directoryProviderStorageOcId, errorCode: errorCode, errorDescription: errorDescription)
completion(errorCode, errorDescription)
return
}
let serverUrl = metadata.serverUrl
let assetLocalIdentifier = metadata.assetLocalIdentifier
let isLivePhoto = metadata.livePhoto
let isE2eEncrypted = metadata.e2eEncrypted
let account = metadata.account
let fileName = metadata.fileName
NCManageDatabase.shared.deleteMetadata(predicate: NSPredicate(format: "ocId == %@", ocIdTemp))
NCManageDatabase.shared.deleteChunks(account: metadata.account, ocId: ocIdTemp)
self.readFile(serverUrlFileName: serverUrlFileNameDestination) { (_, metadata, _, _) in
if errorCode == 0, let metadata = metadata {
metadata.assetLocalIdentifier = assetLocalIdentifier
metadata.e2eEncrypted = isE2eEncrypted
metadata.livePhoto = isLivePhoto
// Delete Asset on Photos album
if CCUtility.getRemovePhotoCameraRoll() && !metadata.assetLocalIdentifier.isEmpty {
metadata.deleteAssetLocalIdentifier = true
}
NCManageDatabase.shared.addMetadata(metadata)
if selector == NCGlobal.shared.selectorUploadFileNODelete {
NCUtilityFileSystem.shared.moveFile(atPath: CCUtility.getDirectoryProviderStorageOcId(ocIdTemp, fileNameView: fileName), toPath: CCUtility.getDirectoryProviderStorageOcId(metadata.ocId, fileNameView: fileName))
NCManageDatabase.shared.addLocalFile(metadata: metadata)
}
NCUtilityFileSystem.shared.deleteFile(filePath: directoryProviderStorageOcId)
NotificationCenter.default.postOnMainThread(name: NCGlobal.shared.notificationCenterReloadDataSource, userInfo: ["serverUrl": serverUrl])
NotificationCenter.default.postOnMainThread(name: NCGlobal.shared.notificationCenterUploadedFile, userInfo: ["ocId": metadata.ocId, "serverUrl": serverUrl, "account": account, "fileName": fileName, "ocIdTemp": ocIdTemp, "errorCode": errorCode, "errorDescription": ""])
} else {
NotificationCenter.default.postOnMainThread(name: NCGlobal.shared.notificationCenterReloadDataSourceNetworkForced, userInfo: ["serverUrl": serverUrl])
NotificationCenter.default.postOnMainThread(name: NCGlobal.shared.notificationCenterUploadedFile, userInfo: ["ocId": ocIdTemp, "serverUrl": serverUrl, "account": account, "fileName": fileName, "ocIdTemp": ocIdTemp, "errorCode": errorCode, "errorDescription": ""])
}
completion(errorCode, errorDescription)
}
}
}
}
private func createChunkedFolder(chunkFolderPath: String, account: String, completion: @escaping (_ errorCode: Int, _ errorDescription: String) -> Void) {
NCCommunication.shared.readFileOrFolder(serverUrlFileName: chunkFolderPath, depth: "0", showHiddenFiles: CCUtility.getShowHiddenFiles(), queue: NCCommunicationCommon.shared.backgroundQueue) { _, _, _, errorCode, errorDescription in
if errorCode == 0 {
completion(0, "")
} else if errorCode == NCGlobal.shared.errorResourceNotFound {
NCCommunication.shared.createFolder(chunkFolderPath, queue: NCCommunicationCommon.shared.backgroundQueue) { _, _, _, errorCode, errorDescription in
completion(errorCode, errorDescription)
}
} else {
completion(errorCode, errorDescription)
}
}
}
private func uploadChunkFileError(metadata: tableMetadata, chunkFolderPath: String, directoryProviderStorageOcId: String, errorCode: Int, errorDescription: String) {
var errorDescription = errorDescription
NCCommunicationCommon.shared.writeLog("Upload chunk error code: \(errorCode)")
if errorCode == NSURLErrorCancelled || errorCode == NCGlobal.shared.errorRequestExplicityCancelled {
// Delete chunk folder
NCCommunication.shared.deleteFileOrFolder(chunkFolderPath) { _, _, _ in }
NCManageDatabase.shared.deleteMetadata(predicate: NSPredicate(format: "ocId == %@", metadata.ocId))
NCManageDatabase.shared.deleteChunks(account: metadata.account, ocId: metadata.ocId)
NCUtilityFileSystem.shared.deleteFile(filePath: directoryProviderStorageOcId)
NCCommunication.shared.deleteFileOrFolder(chunkFolderPath) { _, _, _ in }
NotificationCenter.default.postOnMainThread(name: NCGlobal.shared.notificationCenterUploadCancelFile, userInfo: ["ocId": metadata.ocId, "serverUrl": metadata.serverUrl, "account": metadata.account])
} else {
// NO report for the connection lost
if errorCode == NCGlobal.shared.errorConnectionLost {
errorDescription = ""
} else {
let description = errorDescription + " code: \(errorCode)"
NCContentPresenter.shared.messageNotification("_error_", description: description, delay: NCGlobal.shared.dismissAfterSecond, type: NCContentPresenter.messageType.error, errorCode: NCGlobal.shared.errorInternalError)
}
NCManageDatabase.shared.setMetadataSession(ocId: metadata.ocId, session: nil, sessionError: errorDescription, sessionTaskIdentifier: NCGlobal.shared.metadataStatusNormal, status: NCGlobal.shared.metadataStatusUploadError)
}
NotificationCenter.default.postOnMainThread(name: NCGlobal.shared.notificationCenterUploadedFile, userInfo: ["ocId": metadata.ocId, "serverUrl": metadata.serverUrl, "account": metadata.account, "fileName": metadata.fileName, "ocIdTemp": metadata.ocId, "errorCode": errorCode, "errorDescription": ""])
}
}
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