Im tratando de enviar un formulario específico de forma programática, pero siempre me devuelve la página inicial. Debo estar haciendo algo mal o me falta algo aquí. Estoy enviando la cookie de sesión y algunos datos POST como viewState (que analizo de la solicitud inicial), y SessionID (este es el valor que cambio en el formulario para obtener datos de otros años). Pero en la segunda petición que Allways recuperar los datos de sesión 899, en lugar de la i solicitud: 875.enviando formulario programáticamente
Este es el código utilizado :, cualquier ayuda es muy apreciada
retrieveEdmIndexForSession (875);
protected string retrieveEdmIndexForSession(int sessionId) {
CookieContainer cookies;
HttpWebRequest oRequest;
HttpWebResponse oResponse;
Stream sw;
StreamReader sr;
string pageData;
string PathRemote = @"http://edmi.parliament.uk/EDMi/EDMList.aspx";
/*
* download the index page so we can get Cookies and ViewState from it.
*/
oRequest = (HttpWebRequest)WebRequest.Create(PathRemote);
oRequest.Method = "GET";
oRequest.AllowAutoRedirect = true;
oRequest.CookieContainer = new CookieContainer();
oRequest.Accept = "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8";
oRequest.Referer = "http://edmi.parliament.uk/EDMi/EDMList.aspx";
oResponse =(HttpWebResponse) oRequest.GetResponse();
sr = new StreamReader(oResponse.GetResponseStream());
pageData = sr.ReadToEnd();
/*
* extract view state from pageData.
*/
string viewState = this.ExtractViewState(pageData);
/*
* lets submit the form with the parameters we want
*/
oRequest = (HttpWebRequest)WebRequest.Create(PathRemote);
oRequest.Method = "POST";
oRequest.AllowAutoRedirect = true;
oRequest.ContentType = "application/x-www-form-urlencoded";
oRequest.CookieContainer = new CookieContainer();
oRequest.CookieContainer.Add(oResponse.Cookies);
oRequest.Accept = "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8";
oRequest.Referer = "http://edmi.parliament.uk/EDMi/EDMList.aspx";
string postdata = "__EVENTTARGET=&__EVENTARGUMENT=&__VIEWSTATE=" + viewState + "&_MenuCtrl%3AddlSession=" + sessionId + "&_MenuCtrl%3A_GoTo.x=57&_MenuCtrl%3A_GoTo.y=14&ddlStatus=1&ddlSortedBy=1";
byte[] buffer = Encoding.UTF8.GetBytes(postdata);
oRequest.ContentLength = buffer.Length;
/*
* Send post data into request stream first
*/
sw = oRequest.GetRequestStream();
sw.Write(buffer, 0, buffer.Length);
sw.Flush();
sw.Close();
/*
* Connect, send and get response
*/
oResponse = (HttpWebResponse)oRequest.GetResponse();
sr = new StreamReader(oResponse.GetResponseStream());
//OnLogUpdated(1, "\r\nStatus Code: " + oResponse.StatusCode);
//OnLogUpdated(1, "\r\nServer: " + oResponse.Server);
pageData = sr.ReadToEnd();
string result = getSessionId(pageData);
//OnLogUpdated(1, "\r\nRestuls: [" + result + "]");
//OnLogUpdated(1, "\r\nPage: [" + pageData + "]");
return pageData;
}
private string ExtractViewState(string str)
{
string viewState = "";
string pattern = "(?<=__VIEWSTATE\" value=\")(?<val>.*?)(?=\")";
Match match = Regex.Match(str, pattern);
if (match.Success)
{
viewState = match.Groups["val"].Value;
viewState = HttpUtility.UrlEncodeUnicode(viewState);
}
return viewState;
}
protected string getSessionId(string str)
{
string sessionId = string.Empty;
str = str.Trim();
string pattern = @"&SESSION=([^']+)'";
Match match = Regex.Match(str, pattern, RegexOptions.IgnoreCase);
if (match.Success)
{
sessionId = match.Groups[1].ToString(); ;
}
return sessionId;
}
Esta es la solicitud RAW enviada por el script .NET.
la POST /EDMi/EDMList.aspx HTTP/1.1 Content-Type: application/x-www-form-urlencoded Accept: texto/html, application/xhtml + xml, application/xml; q = 0,9, /; q = 0,8 Referer: http://edmi.parliament.uk/EDMi/EDMList.aspx User-Agent: .NET Framework Client Host: edmi.parliament.uk Cookie: ASP.NET_SessionId = k55fqarvx2oszp2wxhtrol45 Content-Length: 2431 esperar: 100 -continúe
__EVENTTARGET = & __EVENTARGUMENT = & __VIEWSTATE = dDwxMDgyNzIxNDQ2O3Q8O2w8aTwzPjs% 2bO2w8dDw7bDxpPDE% 2bO2k8Mz47aTw1PjtpPDExPjs% 2bO2w8dDw7bDxpPDEzPjtpPDE3Pjs% 2bO2w8dDx0PHA8cDxsPERhdGFWYWx1ZUZpZWxkO0RhdGFUZXh0RmllbGQ7PjtsPFNFU1NJT05JRDtJVEVNX1ZBTFVFOz4% 2bOz47dDxpPDIwPjtAPDA4LTA5OzA3LTA4OzA2LTA3OzA1LTA2OzA0LTA1OzAzLTA0OzAyLTAzOzAxLTAyOzAwLTAxOzk5LTAwOzk4LTk5Ozk3LTk4Ozk2LTk3Ozk1LTk2Ozk0LTk1OzkzLTk0OzkyLTkzOzkxLTkyOzkwLTkxOzg5LTkwOz47QDw4OTk7ODkxOzg4NTs4NzU7ODczOzY4Mjs2ODE7NjgwOzY3OTs3MDM7NzAyOzcwMTs3MDA7Njk5OzY5ODs2OTc7Njk2OzY5NTs2OTQ7NjkzOz4% 2bOz47Oz47dDxwPGw8VGV4dDs% 2bO2w8TGlzdCBPZiBFYXJseSBEYXkgTW90aW9uczs% 2bPjs7Pjs% 2bPjt0PDtsPGk8MT47aTwzPjs% 2bO2w8dDx0PDs7bDxpPDA% 2bOz4% 2bOzs% 2bO3Q8dDw7O2w8aTwwPjs% 2bPjs7Pjs% 2bPjt0PDtsPGk8MT47aTwzPjs% 2bO2w8dDw7bDxpPDE% 2bO2k8Mz47aTw1PjtpPDc% 2bOz47bDx0PHA8cDxsPENvbW1hbmRBcmd1bWVudDtDc3NDbGFzcztFbmFibGVkO18hU0I7PjtsPDA7UGFnZUZpcnN0RGlzYWJsZWQ7b zxmPjtpPDI% 2bOz4% 2bOz47Oz47dDxwPHA8bDxDb21tYW5kQXJndW1lbnQ7Q3NzQ2xhc3M7RW5hYmxlZDtfIVNCOz47bDwtMTtQYWdlUHJldkRpc2FibGVkO288Zj47aTwyPjs% 2bPjs% 2bOzs% 2bO3Q8cDxwPGw8Q29tbWFuZEFyZ3VtZW50O0Nzc0NsYXNzO18hU0I7PjtsPDE7UGFnZU5leHRFbmFibGVkO2k8Mj47Pj47Pjs7Pjt0PHA8cDxsPENvbW1hbmRBcmd1bWVudDtDc3NDbGFzcztfIVNCOz47bDw0MjtQYWdlTGFzdEVuYWJsZWQ7aTwyPjs% 2bPjs% 2bOzs% 2bOz4% 2bO3Q8O2w8aTwxPjtpPDM% 2bO2k8NT47aTw3Pjs% 2bO2w8dDxwPHA8bDxUZXh0Oz47bDwyMTA5Oz4% 2bOz47Oz47dDxwPHA8bDxUZXh0Oz47bDxFRE1zIGFuZCBBbWVuZG1lbnRzOz4% 2bOz47Oz47dDxwPHA8bDxUZXh0Oz47bDwxOz4% 2bOz47Oz47dDxwPHA8bDxUZXh0Oz47bDw1MDs% 2bPjs% 2bOzs% 2bOz4% 2bOz4% 2bO3Q8O2w8aTwxPjtpPDM% 2bOz47bDx0PDtsPGk8MT47aTwzPjtpPDU% 2bO2k8Nz47PjtsPHQ8cDxwPGw8Q29tbWFuZEFyZ3VtZW50O0Nzc0NsYXNzO0VuYWJsZWQ7XyFTQjs% 2bO2w8MDtQYWdlRmlyc3REaXNhYmxlZDtvPGY% 2bO2k8Mj47Pj47Pjs7Pjt0PHA8cDxsPENvbW1hbmRBcmd1bWVudDtDc3NDbGFzcztFbmFibGVkO18hU0I7PjtsPC0xO1BhZ2VQcmV2RGlzYWJsZWQ7bzxmPjtpPDI% 2bOz4% 2bOz47Oz47dDxwPHA8bDxDb21tYW5kQXJndW1lbnQ7Q3NzQ2xhc3M7XyFTQjs% 2bO2w8MTtQYWdlTmV4dEVuYWJsZWQ7aTwyPjs% 2 BPJS% 2bOzs% 2bO3Q8cDxwPGw8Q29tbWFuZEFyZ3VtZW50O0Nzc0NsYXNzO18hU0I7PjtsPDQyO1BhZ2VMYXN0RW5hYmxlZDtpPDI% 2bOz4% 2bOz47Oz47Pj47dDxwPHA8bDxWaXNpYmxlOz47bDxvPGY% 2bOz4% 2bOz47bDxpPDE% 2bO2k8Mz47aTw1PjtpPDc% 2bOz47bDx0PHA8cDxsPFRleHQ7PjtsPDIxMDk7Pj47Pjs7Pjt0PHA8cDxsPFRleHQ7PjtsPEVETXMgYW5kIEFtZW5kbWVudHM7Pj47Pjs7Pjt0PHA8cDxsPFRleHQ7PjtsPDE7Pj47Pjs7Pjt0PHA8cDxsPFRleHQ7PjtsPDUwOz4% 2bOz47Oz47Pj47Pj47Pj47Pj47bDxfTWVudUN0cmw6X0dvVG87Pj5NHcFbPBNzNuwxs7sYLdUE2omkjw% 3D% 3D & _MenuCtrl% 3AddlSession = 875 & _MenuCtrl% 3A_GoTo.x = 57 & _MenuCtrl% 3A_GoTo.y = 14 & ddlStatus = 1 & ddlSortedBy = 1
Esta es la solicitud RAW enviado por IE:
la POST /EDMi/EDMList.aspx HTTP/1.1 Accept: image/gif, imagen/jpeg, imagen /pjpeg, image/pjpeg, application/x-shockwave-flash, application/xaml + xml, application/vnd.ms-XpsDocument, application/x-ms-XBAP, application/x -ms-application, application/vnd.ms-exc EL, application/vnd.ms-powerpoint, aplicación/pdf, / Referer: http://edmi.parliament.uk/EDMi/EDMList.aspx Accept-Language: en-gb User-Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30; InfoPath.1; .NET CLR 3.0.04506.648; OfficeLiveConnector.1.3; OfficeLivePatch.0.0; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729) Content-Type: application/x-www-form-urlencoded Aceptar-Codificación: gzip, deflate Host: edmi.parliament.uk Content-Length: 2431 Conexión: Keep-Alive Pragma: no-caché Cookie: WT_FPC = id = 83.217.99.254-2364242496.30021299: lv = 1249572414567: ss = 1249572414567; ASP.NET_SessionId = vwxgo4rlex1j5m55l0bivrqo
__EVENTTARGET = & __EVENTARGUMENT = & __VIEWSTATE = dDwxMDgyNzIxNDQ2O3Q8O2w8aTwzPjs% 2BO2w8dDw7bDxpPDE% 2BO2k8Mz47aTw1PjtpPDExPjs% 2BO2w8dDw7bDxpPDEzPjtpPDE3Pjs% 2BO2w8dDx0PHA8cDxsPERhdGFWYWx1ZUZpZWxkO0RhdGFUZXh0RmllbGQ7PjtsPFNFU1NJT05JRDtJVEVNX1ZBTFVFOz4% 2BOz47dDxpPDIwPjtAPDA4LTA5OzA3LTA4OzA2LTA3OzA1LTA2OzA0LTA1OzAzLTA0OzAyLTAzOzAxLTAyOzAwLTAxOzk5LTAwOzk4LTk5Ozk3LTk4Ozk2LTk3Ozk1LTk2Ozk0LTk1OzkzLTk0OzkyLTkzOzkxLTkyOzkwLTkxOzg5LTkwOz47QDw4OTk7ODkxOzg4NTs4NzU7ODczOzY4Mjs2ODE7NjgwOzY3OTs3MDM7NzAyOzcwMTs3MDA7Njk5OzY5ODs2OTc7Njk2OzY5NTs2OTQ7NjkzOz4% 2BOz47Oz47dDxwPGw8VGV4dDs% 2BO2w8TGlzdCBPZiBFYXJseSBEYXkgTW90aW9uczs% 2BPjs7Pjs% 2BPjt0PDtsPGk8MT47aTwzPjs% 2BO2w8dDx0PDs7bDxpPDA% 2BOz4% 2BOzs% 2BO3Q8dDw7O2w8aTwwPjs% 2BPjs7Pjs% 2BPjt0PDtsPGk8MT47aTwzPjs% 2BO 2w8dDw7bDxpPDE% 2BO2k8Mz47aTw1PjtpPDc% 2BOz47bDx0PHA8cDxsPENvbW1hbmRBcmd1bWVudDtDc3NDbGFzcztFbmFibGVkO18hU0I7PjtsPDA7UGFnZUZpcnN0RGlzYWJsZWQ7bzxmPjtpPDI% 2BOz4% 2BOz47Oz47dDxwPHA8bDxDb21tYW5kQXJndW1lbnQ7Q3NzQ2xhc3M7RW5hYmxlZDtfIVNCOz47bDwtMTtQYWdlUHJldkRpc2FibGVkO288Zj47aTwyPjs% 2BPjs% 2BOzs% 2BO3Q8cDxwPGw8Q29tbWFuZEFyZ3VtZW50O0Nzc0NsYXNzO18hU0I7PjtsPDE7UGFnZU5leHRFbmFibGVkO2k8Mj47Pj47Pjs7Pjt0PHA8cDxsPENvbW1hbmRBcmd1bWVudDtDc3NDbGFzcztfIVNCOz47bDw0MjtQYWdlTGFzdEVuYWJsZWQ7aTwyPjs% 2BPjs% 2BOzs% 2BOz4% 2BO3Q8O2w8aTwxPjtpPDM% 2BO2k8NT47aTw3Pjs% 2BO2w8dDxwPHA8bDxUZXh0Oz47bDwyMTA5Oz4% 2BOz47Oz47dDxwPHA8bDxUZXh0Oz47bDxFRE1zIGFuZCBBbWVuZG1lbnRzOz4% 2BOz47Oz47dDxwPHA8bDxUZXh0Oz47bDwxOz4% 2BOz47Oz47dDxwPHA8bDxUZXh0Oz47bDw1MDs% 2BPjs% 2BOzs% 2BOz4% 2BOz4% 2BO3Q8O2w8aTwxPjtpPDM% 2BOz47bDx0PDtsPGk8MT47aTwzPjtpPDU% 2BO2k8Nz47PjtsPHQ8cDxwPGw8Q29tbWFuZEFyZ3VtZW50O0Nzc0NsYXNzO0VuYWJsZWQ7XyFTQjs% 2BO2w8MDtQYWdlRmlyc3REaXNhYmxlZDtvPGY% 2BO2k8Mj47Pj47Pjs7Pjt0PHA8cDxsPENvbW1hbmRBcmd1bWVudDtDc3NDbGFzcztFbmFibGVkO18hU0I7PjtsPC0xO1B hZ2VQcmV2RGlzYWJsZWQ7bzxmPjtpPDI% 2BOz4% 2BOz47Oz47dDxwPHA8bDxDb21tYW5kQXJndW1lbnQ7Q3NzQ2xhc3M7XyFTQjs% 2BO2w8MTtQYWdlTmV4dEVuYWJsZWQ7aTwyPjs% 2BPjs% 2BOzs% 2BO3Q8cDxwPGw8Q29tbWFuZEFyZ3VtZW50O0Nzc0NsYXNzO18hU0I7PjtsPDQyO1BhZ2VMYXN0RW5hYmxlZDtpPDI% 2BOz4% 2BOz47Oz47Pj47dDxwPHA8bDxWaXNpYmxlOz47bDxvPGY% 2BOz4% 2BOz47bDxpPDE% 2BO2k8Mz47aTw1PjtpPDc% 2BOz47bDx0PHA8cDxsPFRleHQ7PjtsPDIxMDk7Pj47Pjs7Pjt0PHA8cDxsPFRleHQ7PjtsPEVETXMgYW5kIEFtZW5kbWVudHM7Pj47Pjs7Pjt0PHA8cDxsPFRleHQ7PjtsPDE7Pj47Pjs7Pjt0PHA8cDxsPFRleHQ7PjtsPDUwOz4% 2BOz47Oz47Pj47Pj47Pj47Pj47bDxfTWVudUN0cmw6X0dvVG87Pj5NHcFbPBNzNuwxs7sYLdUE2omkjw% 3D% 3D & _MenuCtrl% 3AddlSession = 885 & ddlStatus = 0 & ddlSortedBy = 1 & _MenuCtrl% 3A_GoTo.x = 37 & _MenuCtrl% 3A_GoTo.y = 12
El encabezamiento de IE parece tener una galleta extra (WT_FPC = id = 83.217.99.254-2364242496.30021299: lv = 1249572414567: ss = 1249572414567;) bruja appers para rastrear visitantes que utilizan cookies a través del complemento de cookies de WebTrends. Ambas solicitudes POST devuelven el código de estado HTTP 302 y lo redirigen a una solicitud GET que devuelve el estado 200.
¿Alguna idea?
¿Ha intentado conectar Fiddler y diferir una solicitud genuina en comparación con su programado a mano? Debe haber una diferencia en alguna parte. – Pike65
He estado tratando de descubrir esto con Fiddler. Actualizaré la publicación con los datos SIN PROCESAR de la solicitud. –