post3

using System;
using System.Collections.Generic;
using System.Text;
using System.Net;
using System.IO;
using System.Collections.Specialized;

class Post
{
    public Post()
    {

    }

    public void POST()
    {
        try
        {

            string archivo = @"C:\\Users\\Seba\\Desktop\\Subs\\Extraccion_PEQ\\Datos  30-05-2016 al 31-05-2016.xlsx"; ;
            //archivo = archivo.Replace("Base","Datos ");
            string url = "http://testing.electroquimica.cl/login";
            HttpWebRequest tokenRequest = (HttpWebRequest)WebRequest.Create(url);
            tokenRequest.CookieContainer = new CookieContainer();
            HttpWebResponse tokenResponse = (HttpWebResponse)tokenRequest.GetResponse();
            String token = tokenResponse.Cookies["csrftoken"].ToString().Split('=')[1];


            HttpWebRequest loginRequest = (HttpWebRequest)WebRequest.Create(url);
            loginRequest.Method = "post";
            loginRequest.CookieContainer = new CookieContainer();
            loginRequest.ContentType = "application/x-www-form-urlencoded";

            string tempEmail = "";
            string tempPass = "";

            loginRequest.CookieContainer.Add(new Uri("http://testing.electroquimica.cl"), tokenResponse.Cookies);

            String postData = "csrfmiddlewaretoken=" + token;
            postData += "&username=" + tempEmail;
            postData += "&password=" + tempPass;

            byte[] data = Encoding.ASCII.GetBytes(postData);
            loginRequest.ContentLength = data.Length; // +1;
            loginRequest.Timeout = 5000;


            //String encoded = System.Convert.ToBase64String(System.Text.Encoding.GetEncoding("ISO-8859-1").GetBytes(tempEmail + ":" + tempPass));
            loginRequest.Headers.Add("Origin", "http://testing.electroquimica.cl");

            loginRequest.GetRequestStream().Write(data, 0, data.Length);
            loginRequest.PreAuthenticate = true;



            HttpWebResponse response = (HttpWebResponse)loginRequest.GetResponse();

            if (response.StatusCode == HttpStatusCode.OK)
            {
                response.Close();
                //Lg_Post.LogEx("Conecta OK");
                string url1 = "http://testing.electroquimica.cl/mediciones/subir_archivo"; //mediciones/subir_archivo";
                HttpWebRequest tokenRequest1 = (HttpWebRequest)WebRequest.Create(url1);
                tokenRequest1.CookieContainer = loginRequest.CookieContainer;
                HttpWebResponse tokenResponse1 = (HttpWebResponse)tokenRequest1.GetResponse();
                String token1 = tokenResponse1.Cookies["csrftoken"].ToString().Split('=')[1];
                tokenResponse1.Close();
                //Lg_Post.LogEx(token1);
                //Lg_Post.LogEx("saca token1");

                HttpWebRequest subirrequest = (HttpWebRequest)WebRequest.Create(url1);
                subirrequest.AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate;
                subirrequest.Method = WebRequestMethods.Http.Post;
                //Lg_Post.LogEx("aplica metodo post");

                subirrequest.CookieContainer = loginRequest.CookieContainer;
                string boundaryString = "------WebKitFormBoundaryizR2U9c55ZBosjVC";
                subirrequest.ContentType = "multipart/form-data; boundary=" + boundaryString;
                subirrequest.Headers.Add("Origin", "http://testing.electroquimica.cl");
                subirrequest.KeepAlive = true; //false
                subirrequest.Credentials = System.Net.CredentialCache.DefaultCredentials;


                subirrequest.Accept = "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8";
                subirrequest.UserAgent = "Mozilla/5.0 (Windows NT 5.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/35.0.1916.114 Safari/537.36";
                subirrequest.Headers.Add("Accept-Encoding: gzip,deflate,sdch");
                subirrequest.Headers.Add("Accept-Language: es-ES,es;q=0.8");
                subirrequest.Headers.Add("Upgrade-Insecure-Requests: 1");

                subirrequest.PreAuthenticate = true;

                string fileUrl = @archivo;

                MemoryStream postDataStream = new MemoryStream();
                StreamWriter postDataWriter = new StreamWriter(postDataStream);


                // Include the file in the post data
                postDataWriter.Write("--" + boundaryString + "");
                postDataWriter.Write("\r\nContent-Disposition: form-data;"
                                       + " name=\"{0}\"\r\n\r\n{1}",
                                       "csrfmiddlewaretoken",
                                       token1);
                postDataWriter.Write("\r\n--" + boundaryString + "");
                postDataWriter.Write("\r\nContent-Disposition: form-data;"
                                       + " name=\"{0}\";"
                                        + " filename=\"{1}\""
                                        + "\r\nContent-Type: {2}\r\n\r\n",
                                        "file",
                                        Path.GetFileName(fileUrl),
                                        Path.GetExtension(fileUrl));
                postDataWriter.Flush();


                //  postDataStream.WriteTo(postDataStream);

                FileStream fileStream = new FileStream(fileUrl, FileMode.Open, FileAccess.Read);
                byte[] buffer = new byte[1024];
                int bytesRead = 0;
                while ((bytesRead = fileStream.Read(buffer, 0, buffer.Length)) != 0)
                {
                    postDataStream.Write(buffer, 0, bytesRead);
                }
                fileStream.Close();

                // string boundaryString = "----SomeRandomText";
                postDataWriter.Write("\r\n--" + boundaryString + "--\r\n");
                postDataWriter.Flush();


                // Set the http request body content length
                subirrequest.ContentLength = postDataStream.Length;
                //subirrequest.ContentLength = postDataStream.Length;

                // Dump the post data from the memory stream to the request stream
                using (Stream s = subirrequest.GetRequestStream())
                {
                    postDataStream.WriteTo(s);
                }
                string result = null;
                using (HttpWebResponse resp = subirrequest.GetResponse() as HttpWebResponse)
                {
                    StreamReader reader = new StreamReader(resp.GetResponseStream());
                    result = reader.ReadToEnd(); //si es true graba si es falso no grabo
                    bool existe = result.Contains("alert alert-danger");


                }
                postDataStream.Close();
            }
            else
            {
                string hh = "no conectar";

                //  serverMessenger.SendErrorMessage(0);
                //Debug.LogError("Cannot Find User. TryToLogin finished");
            }
        }
        catch (WebException e)
        {

            using (WebResponse response = e.Response)
            {
                HttpWebResponse httpResponse = (HttpWebResponse)response;
                if (response == null)
                {
                    // Lg_Post.LogEx(e);
                }
                else
                {
                    string error_Code = "Error code: " + httpResponse.StatusCode;
                    string error_Descripcion = "Error Descripcion: " + httpResponse.StatusDescription;
                }
            }
        }

    }

}