public MultipartFormField(HeaderCollection headers, Stream stream)
: base(headers)
{
var headerDict = new Dictionary <String, FormFieldHeader>();
var subFields = new List <FormField>();
var readlineBuffer = new byte[128];
var line = ReadLine(stream, readlineBuffer);
while (true)
{
if (line == null || !line.StartsWith(String.Format("--{0}", Boundary)))
{
throw new HttpException(400, GetFormatExceptionMessage(0x10));
}
if (line.EndsWith("--"))
{
break;
}
headerDict.Clear();
String headerLine;
while (!String.IsNullOrWhiteSpace(headerLine = ReadLine(stream, readlineBuffer)))
{
var keyVal = FormFieldHeader.ParseKeyValue(headerLine);
if (keyVal.Key == null || keyVal.Value == null)
{
throw new HttpException(400, GetFormatExceptionMessage(0x11));
}
headerDict.Add(keyVal.Key, keyVal.Value);
}
var start = stream.Position;
var end = stream.Position;
while ((line = ReadLine(stream, readlineBuffer)) != null)
{
if (line.StartsWith(String.Format("--{0}", Boundary)))
{
break;
}
end = stream.Position;
}
stream.Seek(start, SeekOrigin.Begin);
var field = Create(headerDict, new FrameStream(stream, start, end - start - 2));
stream.Seek(end, SeekOrigin.Begin);
ReadLine(stream, readlineBuffer);
subFields.Add(field);
}
_subFields = subFields.ToArray();
}
public static MultipartFormField ReadMultipartForm(this HttpListenerRequest request)
{
if (request.ContentType == null)
{
throw new NullReferenceException("Request content type was null.");
}
var headers = request.Headers.AllKeys.ToDictionary(
x => x, x => FormFieldHeader.Parse(request.Headers[x]));
using (var copy = new MemoryStream()) {
request.InputStream.CopyTo(copy);
copy.Seek(0, SeekOrigin.Begin);
return(new MultipartFormField(new FormField.HeaderCollection(headers), copy));
}
}
