public virtual void OnPostProgress(HttpPostProgress arg, EHttpPostState end)
{
}
void parsePost()
{
string vcon = null;
if (!_req.TryGetHeader("Content-Length", out vcon)) return;
int content_len = int.Parse(vcon);
string contenttype = null;
if (_req.TryGetHeader("Content-Type", out contenttype))
{
string lou = contenttype.ToLower();
int ix = lou.IndexOf("charset=");
if (ix != -1)
{
string charset = contenttype.Remove(0, ix + 8);
ix = charset.IndexOf(';');
if (ix != -1) charset = charset.Substring(0, ix);
codec_post = Encoding.GetEncoding(charset);
}
bool file = lou.StartsWith("multipart/form-data");
uint MAX_POST = file ? _Server.MaxPostMultiPart : _Server.MaxPost;
if (MAX_POST >= 0 && content_len > MAX_POST)
throw new Exception(string.Format("POST Content-Length({0}) too big for this server", content_len));
if (file || _Server.ProgreesOnAllPost)
{
//progreso
HttpCookie ck = null;
if (httpCookie.TryGetValue(_Server.SessionCookieName, out ck)) _sessionID = ck.Value;
post_pg = new HttpPostProgress(this, _Server, _IP, _req, _sessionID, content_len, file);
_Server.OnPostProgress(post_pg, EHttpPostState.Start);
if (post_pg.Cancel) throw new Exception("Client disconnected");
}
if (file)
{
//multipart post
HttpMultiPartParser mp = new HttpMultiPartParser(codec_post, contenttype, BUF_SIZE);
mp.Process(stream, content_len, post_pg);
if (mp.Files != null) _req.SetFiles(mp.Files);
if (mp.HasError) throw (new Exception("Error in Post"));
foreach (HttpMultiPartParser.Var v1 in mp.Vars) _req.AddPost(v1.Name, v1.Value);
}
else
{
//variables post
byte[] buf = new byte[BUF_SIZE];
int to_read = content_len, numread = 0;
MemoryStream ms = new MemoryStream();
try
{
while (to_read > 0)
{
numread = stream.Read(buf, 0, Math.Min(BUF_SIZE, to_read));
if (post_pg != null) //progreso
{
post_pg.UpdateValue(numread, true);
if (post_pg.Cancel) throw new Exception("Client disconnected");
}
if (numread == 0)
{
if (to_read == 0) break;
else { throw new Exception("Client disconnected during Post"); }
}
to_read -= numread;
ms.Write(buf, 0, numread);
}
}
catch (Exception ex) { ms.Close(); ms.Dispose(); throw (ex); }
if (ms != null)
{
byte[] dv = ms.ToArray();
ms.Close(); ms.Dispose();
string name, val;
foreach (string s in codec_post.GetString(dv).Split('&'))
{
SeparaEnDos(HttpUtility.UrlDecode(s), '=', out name, out val);
_req.AddPost(name, val);
}
}
}
}
}
public void Process(Stream stream, int content_len, HttpPostProgress prog)
{
if (content_len <= 0)
{
return;
}
byte[] buf = new byte[BUF_SIZE];
int to_read = content_len, numread = 0;
try
{
bool in_file = false;
numread = stream.Read(buf, 0, BOUNDARY_LG);
to_read -= numread;
if (codec.GetString(buf, 0, BOUNDARY_LG) != BOUNDARY || to_read == 0)
{
throw (new Exception("DATA ERROR"));
}
byte[] last = new byte[] { };
int parm = 30000, part = 1500;
if (prog != null)
{
prog.UpdateValue(numread, false);
}
StringBuilder header = new StringBuilder();
int sizen = 0;
do
{
Array.Resize <byte>(ref last, sizen + BUF_SIZE);
numread = stream.Read(last, sizen, BUF_SIZE);
if (numread <= 0)
{
if (to_read == 0)
{
break;
}
else
{
throw new Exception("Client disconnected during Post");
}
}
to_read -= numread;
sizen += numread;
int ix = 0, pos = 0;
while ((ix = IndexOfLine(last, pos, sizen)) != -1)
{
//PROCESAR LINEAS
int lg = ix - pos;
if (!in_file)
{
//HEADER
if (lg == 2)
{
MakeHeader(header.ToString()); header.Clear(); in_file = true;
}
else
{
header.Append(codec.GetString(last, pos, lg));
}
}
else
{
if (lg == BOUNDARY_LG || lg == BOUNDARY_LGE)
{
string cad = codec.GetString(last, pos, lg);
//BOUNDARY ENCONTRADO
if (cad == BOUNDARY || cad == BOUNDARY_END)
{
EndMultiPart(); in_file = false;
}
}
//archivo
if (in_file)
{
PartMultipart(last, pos, lg);
}
}
pos = ix;
}
if (pos > 0)
{
//ELIMINAR LO YA PROCESADO
sizen -= pos;
if (sizen == 0)
{
last = new byte[] { }
}
;
else
{
byte[] bx = new byte[sizen];
Array.Copy(last, pos, bx, 0, sizen);
last = bx;
}
}
// CONTROL DE LINEAS GRANDES
if (in_file && sizen > parm)
{
int iput = sizen - part;
PartMultipart(last, 0, iput);
byte[] bx = new byte[part];
Array.Copy(last, iput, bx, 0, part);
last = bx;
sizen = part;
}
if (prog != null) //progreso
{
prog.UpdateValue(numread, true);
if (prog.Cancel)
{
throw new Exception("Client disconnected");
}
}
} while (to_read > 0);
}
catch { _error = true; }
finally { EndMultiPart(); }
}
