public static MultipartParser Parse(MimeType mime)
{
return new MultipartParser(mime);
}
/// <summary>
/// Guesses MIME type from file extension
/// </summary>
/// <param name="extension">File extension. May include leading .</param>
/// <returns></returns>
public static MimeType ByExtension(string extension)
{
// Strip the leading . if it's present
if (extension.Length > 0 && extension[0] == '.')
extension = extension.Substring(1);
MimeType ret = null;
if (!TypesByExtensions.TryGetValue(extension, out ret))
ret = new MimeType("application", "octet-stream");
return ret;
}
internal MultipartParser(MimeType mime)
{
// Make sure the mimetype is valid
if (mime == null) throw new ArgumentNullException("mime");
if (!mime.Type.Equals("multipart")) throw new Exception("Can't parse multipart data because the MIME type isn't multipart");
if (!mime.Parameters.ContainsKey("boundary")) throw new Exception("Can't parse multipart data because the MIME type doesn't contain a boundary");
// Grab the boundary and strip wrapping quotes if needed
string boundary = mime.Parameters["boundary"];
if (boundary[0] == '"' && boundary[boundary.Length - 1] == '"')
boundary = boundary.Substring(1, boundary.Length - 2);
// Initialize our static state
Boundary = Encoding.ASCII.GetBytes("\r\n--" + boundary);
Bp = 0;
State = ParseState.Preamble;
}
