Beispiel #1
0
        public static HttpWebResponse Upload( HttpWebRequest req, UploadFile[] files, NameValueCollection form )
        {
            List<MimePart> mimeParts = new List<MimePart>();

            try {
                foreach( string key in form.AllKeys ) {
                    StringMimePart part = new StringMimePart();

                    part.Headers[ "Content-Disposition" ] = "form-data; name=\"" + key + "\"";
                    part.StringData = form[ key ];

                    mimeParts.Add( part );
                }

                int nameIndex = 0;

                foreach( UploadFile file in files ) {
                    StreamMimePart part = new StreamMimePart();

                    if( string.IsNullOrEmpty( file.FieldName ) )
                        file.FieldName = "file" + nameIndex++;

                    part.Headers[ "Content-Disposition" ] = "form-data; name=\"" + file.FieldName + "\"; filename=\"" + file.FileName + "\"";
                    part.Headers[ "Content-Type" ] = file.ContentType;

                    part.SetStream( file.Data );

                    mimeParts.Add( part );
                }

                string boundary = "----------" + DateTime.Now.Ticks.ToString( "x" );

                req.ContentType = "multipart/form-data; boundary=" + boundary;
                req.Method = "POST";

                long contentLength = 0;

                byte[] _footer = Encoding.UTF8.GetBytes( "--" + boundary + "--\r\n" );

                foreach( MimePart part in mimeParts ) {
                    contentLength += part.GenerateHeaderFooterData( boundary );
                }

                req.ContentLength = contentLength + _footer.Length;

                byte[] buffer = new byte[ 8192 ];
                byte[] afterFile = Encoding.UTF8.GetBytes( "\r\n" );

                using( Stream s = req.GetRequestStream() ) {
                    foreach( MimePart part in mimeParts ) {
                        s.Write( part.Header, 0, part.Header.Length );

                        int read;
                        while( (read = part.Data.Read( buffer, 0, buffer.Length )) > 0 )
                            s.Write( buffer, 0, read );

                        part.Data.Dispose();

                        s.Write( afterFile, 0, afterFile.Length );
                    }

                    s.Write( _footer, 0, _footer.Length );
                }

                return (HttpWebResponse)req.GetResponse();
            } catch {
                foreach( MimePart part in mimeParts )
                    if( part.Data != null )
                        part.Data.Dispose();

                throw;
            }
        }
Beispiel #2
0
        public static HttpWebResponse Upload(HttpWebRequest req, UploadFile[] files, NameValueCollection form)
        {
            List <MimePart> mimeParts = new List <MimePart>();

            try {
                foreach (string key in form.AllKeys)
                {
                    StringMimePart part = new StringMimePart();

                    part.Headers["Content-Disposition"] = "form-data; name=\"" + key + "\"";
                    part.StringData = form[key];

                    mimeParts.Add(part);
                }

                int nameIndex = 0;

                foreach (UploadFile file in files)
                {
                    StreamMimePart part = new StreamMimePart();

                    if (string.IsNullOrEmpty(file.FieldName))
                    {
                        file.FieldName = "file" + nameIndex++;
                    }

                    part.Headers["Content-Disposition"] = "form-data; name=\"" + file.FieldName + "\"; filename=\"" + file.FileName + "\"";
                    part.Headers["Content-Type"]        = file.ContentType;

                    part.SetStream(file.Data);

                    mimeParts.Add(part);
                }

                string boundary = "----------" + DateTime.Now.Ticks.ToString("x");

                req.ContentType = "multipart/form-data; boundary=" + boundary;
                req.Method      = "POST";

                long contentLength = 0;

                byte[] _footer = Encoding.UTF8.GetBytes("--" + boundary + "--\r\n");

                foreach (MimePart part in mimeParts)
                {
                    contentLength += part.GenerateHeaderFooterData(boundary);
                }

                req.ContentLength = contentLength + _footer.Length;

                byte[] buffer    = new byte[8192];
                byte[] afterFile = Encoding.UTF8.GetBytes("\r\n");

                using (Stream s = req.GetRequestStream()) {
                    foreach (MimePart part in mimeParts)
                    {
                        s.Write(part.Header, 0, part.Header.Length);

                        int read;
                        while ((read = part.Data.Read(buffer, 0, buffer.Length)) > 0)
                        {
                            s.Write(buffer, 0, read);
                        }

                        part.Data.Dispose();

                        s.Write(afterFile, 0, afterFile.Length);
                    }

                    s.Write(_footer, 0, _footer.Length);
                }

                return((HttpWebResponse)req.GetResponse());
            } catch {
                foreach (MimePart part in mimeParts)
                {
                    if (part.Data != null)
                    {
                        part.Data.Dispose();
                    }
                }

                throw;
            }
        }