Swift 3 Upload file to Amazon S3 with pre-signed link

AmazonS3Uploader.swift

func upload(data: Data, urlString: String, mimeType: String, completion: @escaping (Bool, Error?) -> Void) {
	let requestURL = URL(string: urlString)!
	let client = AFHTTPSessionManager(baseURL: requestURL)
	var request = URLRequest(url: requestURL)
	request.httpMethod = "PUT"
	request.httpBody = data
	request.setValue(mimeType, forHTTPHeaderField: "Content-Type")
	request.setValue("\(data.count)", forHTTPHeaderField: "Content-Length")
	request.setValue("public-read", forHTTPHeaderField: "x-amz-acl")
	let task = client?.dataTask(with: request, completionHandler: { (response, responseObject, error) in
		print(response ?? "response nil")
		print(error ?? "response nil")
		completion(error == nil, error)
	})
	task?.resume()
}
	
func upload(image: UIImage, urlString: String, mimeType: String, completion: @escaping (Bool, Error?) -> Void) {
	let data = UIImageJPEGRepresentation(image, 0.9)!
	upload(data: data, urlString: urlString, mimeType: mimeType, completion: completion)
}