Повторное использование HttpWebRequest - C# - Ответ 6300334

        private void button3_Click(object sender, EventArgs e)
        {
            var cc = new CookieContainer();
            var s = Get("http://djangosuit.com/admin/", cc);
            s = s.Remove(0, s.IndexOf("value='", StringComparison.Ordinal) + 7);
            s = s.Substring(0, s.IndexOf("'", StringComparison.Ordinal));
            s = "csrfmiddlewaretoken=" + s + "&username=demo&demo=111111&this_is_the_login_form=1&next=%2Fadmin%2F";
            var htmlResult = Post("http://djangosuit.com/admin/", s, cc);
            MessageBox.Show(@"Done");
        }
 
        private string Post(string url, string post, CookieContainer cc =null)
        {
            var html = string.Empty;
            try
            {
                var request = (HttpWebRequest)WebRequest.Create(url);
                request.UserAgent = "Mozilla/5.0 (Windows NT 5.1) AppleWebKit/535.11 (KHTML, like Gecko) Chrome/17.0.963.56 Safari/535.11";
                request.Method = "POST";
                request.AllowAutoRedirect = true;
                request.CookieContainer = cc;
                request.ContentType = "application/x-www-form-urlencoded";
                request.Accept = "*/*";
                request.Headers.Add(HttpRequestHeader.AcceptEncoding, "gzip,deflate,sdch");
                request.Headers.Add(HttpRequestHeader.AcceptLanguage, "ru-RU,ru;q=0.8,en-US;q=0.6,en;q=0.4");
                request.Headers.Add(HttpRequestHeader.AcceptCharset, "windows-1251,utf-8;q=0.7,*;q=0.3");
                var encodedPostParams = Encoding.Default.GetBytes(post);
                request.ContentLength = encodedPostParams.Length;
                request.GetRequestStream().Write(encodedPostParams, 0, encodedPostParams.Length);
                request.GetRequestStream().Close();
                var response = (HttpWebResponse)request.GetResponse();
                var responseStream = response.GetResponseStream();
                if (response.ContentEncoding.ToLower().Contains("gzip"))
                    responseStream = new System.IO.Compression.GZipStream(responseStream, System.IO.Compression.CompressionMode.Decompress);
                else if (response.ContentEncoding.ToLower().Contains("deflate"))
                    responseStream = new System.IO.Compression.DeflateStream(responseStream, System.IO.Compression.CompressionMode.Decompress);
                var sRead = new StreamReader(responseStream, Encoding.Default);
                html = sRead.ReadToEnd();
                sRead.Close();
            }
            catch { }
            return html;
        }
 
        public static string Get(string url,CookieContainer cc=null)
        {
            var html = string.Empty;
            try
            {
                var request = (HttpWebRequest)WebRequest.Create(url);
                request.Method = "GET";
                request.Accept = "*/*";
                request.UserAgent = "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/534.16 (KHTML, like Gecko) Chrome/10.0.648.204 Safari/534.16";
                request.ServicePoint.Expect100Continue = false;
                request.Headers.Add(HttpRequestHeader.AcceptCharset, "windows-1251,utf-8;q=0.7,*;q=0.3");
                request.Headers.Add(HttpRequestHeader.AcceptEncoding, "gzip, deflate,gzip");
                request.Headers.Add(HttpRequestHeader.AcceptLanguage, "ru-RU,ru;q=0.8,en-US;q=0.6,en;q=0.4"); request.AllowAutoRedirect = true;
                request.CookieContainer = cc;
                var response = (HttpWebResponse)request.GetResponse();
                var responseStream = response.GetResponseStream();
                if (response.ContentEncoding.ToLower().Contains("gzip"))
                {
                    if (responseStream != null)
                        responseStream = new System.IO.Compression.GZipStream(responseStream, System.IO.Compression.CompressionMode.Decompress);
                }
                else if (response.ContentEncoding.ToLower().Contains("deflate"))
                    if (responseStream != null)
                        responseStream = new System.IO.Compression.DeflateStream(responseStream, System.IO.Compression.CompressionMode.Decompress);
                if (responseStream != null)
                {
                    var sRead = new StreamReader(responseStream, Encoding.UTF8);
                    html = sRead.ReadToEnd();
                    sRead.Close();
                    sRead.Dispose();
                }
            }
            catch { return string.Empty; }
            return html;
 
        }