You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
87 lines
3.4 KiB
87 lines
3.4 KiB
//
|
|
// MultipartUpload.swift
|
|
//
|
|
// Copyright (c) 2014-2018 Alamofire Software Foundation (http://alamofire.org/)
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
// of this software and associated documentation files (the "Software"), to deal
|
|
// in the Software without restriction, including without limitation the rights
|
|
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
// copies of the Software, and to permit persons to whom the Software is
|
|
// furnished to do so, subject to the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included in
|
|
// all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
// THE SOFTWARE.
|
|
//
|
|
|
|
import Foundation
|
|
|
|
/// Internal type which encapsulates a `MultipartFormData` upload.
|
|
final class MultipartUpload {
|
|
lazy var result = Result { try build() }
|
|
|
|
let isInBackgroundSession: Bool
|
|
let multipartFormData: MultipartFormData
|
|
let encodingMemoryThreshold: UInt64
|
|
let request: URLRequestConvertible
|
|
let fileManager: FileManager
|
|
|
|
init(isInBackgroundSession: Bool,
|
|
encodingMemoryThreshold: UInt64,
|
|
request: URLRequestConvertible,
|
|
multipartFormData: MultipartFormData) {
|
|
self.isInBackgroundSession = isInBackgroundSession
|
|
self.encodingMemoryThreshold = encodingMemoryThreshold
|
|
self.request = request
|
|
fileManager = multipartFormData.fileManager
|
|
self.multipartFormData = multipartFormData
|
|
}
|
|
|
|
func build() throws -> (request: URLRequest, uploadable: UploadRequest.Uploadable) {
|
|
var urlRequest = try request.asURLRequest()
|
|
urlRequest.setValue(multipartFormData.contentType, forHTTPHeaderField: "Content-Type")
|
|
|
|
let uploadable: UploadRequest.Uploadable
|
|
if multipartFormData.contentLength < encodingMemoryThreshold && !isInBackgroundSession {
|
|
let data = try multipartFormData.encode()
|
|
|
|
uploadable = .data(data)
|
|
} else {
|
|
let tempDirectoryURL = fileManager.temporaryDirectory
|
|
let directoryURL = tempDirectoryURL.appendingPathComponent("org.alamofire.manager/multipart.form.data")
|
|
let fileName = UUID().uuidString
|
|
let fileURL = directoryURL.appendingPathComponent(fileName)
|
|
|
|
try fileManager.createDirectory(at: directoryURL, withIntermediateDirectories: true, attributes: nil)
|
|
|
|
do {
|
|
try multipartFormData.writeEncodedData(to: fileURL)
|
|
} catch {
|
|
// Cleanup after attempted write if it fails.
|
|
try? fileManager.removeItem(at: fileURL)
|
|
}
|
|
|
|
uploadable = .file(fileURL, shouldRemove: true)
|
|
}
|
|
|
|
return (request: urlRequest, uploadable: uploadable)
|
|
}
|
|
}
|
|
|
|
extension MultipartUpload: UploadConvertible {
|
|
func asURLRequest() throws -> URLRequest {
|
|
try result.get().request
|
|
}
|
|
|
|
func createUploadable() throws -> UploadRequest.Uploadable {
|
|
try result.get().uploadable
|
|
}
|
|
}
|
|
|