/// <summary>
/// Creates a new instance of the <see cref="FileMultipartSection"/> class
/// </summary>
/// <param name="section">The section from which to create the <see cref="FileMultipartSection"/></param>
/// <param name="header">An already parsed content disposition header</param>
public FileMultipartSection(MultipartSection section, ContentDispositionHeaderValue header)
{
if (!header.IsFileDisposition())
{
throw new ArgumentException($"Argument must be a file section", nameof(section));
}
Section = section;
_contentDispositionHeader = header;
Name = HeaderUtilities.RemoveQuotes(_contentDispositionHeader.Name).ToString();
FileName = HeaderUtilities.RemoveQuotes(
_contentDispositionHeader.FileNameStar.HasValue ?
_contentDispositionHeader.FileNameStar :
_contentDispositionHeader.FileName).ToString();
}
public async Task <IActionResult> Upload()
{
MediaTypeHeaderValue mediaTypeHeaderValue = MediaTypeHeaderValue.Parse(Request.ContentType);
string boundary = HeaderUtilities.RemoveQuotes(mediaTypeHeaderValue.Boundary).ToString();
MultipartReader reader = new MultipartReader(boundary, Request.Body, 64 * 1024);
MultipartSection section = await reader.ReadNextSectionAsync();
while (section != null)
{
ContentDispositionHeaderValue contentDispositionHeaderValue = section.GetContentDispositionHeader();
if (!contentDispositionHeaderValue.IsFileDisposition())
{
throw new InvalidOperationException("Only file disposition supported.");
}
FileMultipartSection fileSection = section.AsFileSection();
int bufferSize = 64 * 1024;
string fileName = Path.Combine(_targetFilePath, Path.GetFileName(fileSection.FileName));
using (FileStream targetStream = System.IO.File.Create(fileName, bufferSize)) {
await fileSection.FileStream.CopyToAsync(targetStream);
_logger.LogInformation($"File uploaded to: {fileName}");
}
section = await reader.ReadNextSectionAsync();
}
return(Ok());
}