ParseRequest(HttpRequest request, string tempLoc, Func <MultipartSection, MultipartFileInfo, Task> fileHandler = null)
{
var files = new List <LocalMultipartFileInfo>();
if (fileHandler == null)
{
fileHandler = HandleFileSection;
}
if (!MultipartRequestHelper.IsMultipartContentType(request.ContentType))
{
throw new InvalidDataException("Request is not a multipart request");
}
var formAccumulator = new KeyValueAccumulator();
var boundary = MultipartRequestHelper.GetBoundary(
MediaTypeHeaderValue.Parse(request.ContentType),
BONDARY_LENGTH_LIMIT);
var reader = new MultipartReader(boundary, request.Body);
var section = await reader.ReadNextSectionAsync();
while (section != null)
{
var hasContentDispositionHeader =
ContentDispositionHeaderValue.TryParse(
section.ContentDisposition,
out ContentDispositionHeaderValue contentDisposition);
if (hasContentDispositionHeader)
{
if (MultipartRequestHelper.HasFileContentDisposition(contentDisposition))
{
var formFile = new LocalMultipartFileInfo()
{
Name = section.AsFileSection().Name,
FileName = section.AsFileSection().FileName,
Length = section.Body.Length,
};
await fileHandler(section, formFile);
}
else if (MultipartRequestHelper.HasFormDataContentDisposition(contentDisposition))
{
formAccumulator = await AccumulateForm(formAccumulator, section, contentDisposition);
}
}
section = await reader.ReadNextSectionAsync();
}
return(formAccumulator.GetResults(), files);
async Task HandleFileSection(MultipartSection fileSection, MultipartFileInfo formFile)
{
string targetFilePath;
var guid = Guid.NewGuid();
targetFilePath = Path.Combine(tempLoc, guid.ToString());
using (var targetStream = File.Create(targetFilePath))
{
await fileSection.Body.CopyToAsync(targetStream);
}
var tFormFile = new LocalMultipartFileInfo()
{
Name = formFile.Name,
Length = formFile.Length,
FileName = formFile.FileName,
TemporaryLocation = targetFilePath,
};
files.Add(tFormFile);
}
}
