/// <summary>
/// Get viewstate from html by the id of the tag.
/// </summary>
/// <param name="siteContent">html result</param>
/// <returns>HtmlClassModel</returns>
public HtmlClassModel HtmlAgility(string siteContent)
{
var htmlclass = new HtmlClassModel();
var doc = new HtmlDocument();
doc.LoadHtml(siteContent);
foreach (var item in doc.DocumentNode.SelectNodes("//input").ToList())
{
HtmlAttribute att = item.Attributes["value"];
if (att != null)
{
if (att.OwnerNode.Id == "__VIEWSTATE")
{
htmlclass.__VIEWSTATE = att.Value;
}
else if (att.OwnerNode.Id == "__VIEWSTATEGENERATOR")
{
htmlclass.__VIEWSTATEGENERATOR = att.Value;
}
else if (att.OwnerNode.Id == "__EVENTVALIDATION")
{
htmlclass.__EVENTVALIDATION = att.Value;
}
else if (att.OwnerNode.Id == "Button1")
{
htmlclass.Button1 = att.Value;
}
}
}
foreach (var imgItem in doc.DocumentNode.SelectNodes("//img").ToList())
{
HtmlAttribute att = imgItem.Attributes["src"];
if (att != null)
{
if (att.OwnerNode.Id == "Image1")
{
htmlclass.img = att.Value;
break;
}
}
}
return(htmlclass);
}
/// <summary>
/// Create request to VR.ORG, get captcha link
/// </summary>
public void ConnectToVR()
{
string siteContent = string.Empty;
IWebProxy webProxy = WebRequest.DefaultWebProxy;
webProxy.Credentials = CredentialCache.DefaultNetworkCredentials;
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(VRurl);
request.Proxy = webProxy;
if (cookieContainer == null)
{
cookieContainer = new CookieContainer();
request.CookieContainer = cookieContainer;
Session["cookie"] = cookieContainer;
}
var html = new HtmlClassModel();
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
//For cookie testing
int cookie = cookieContainer.Count;
foreach (Cookie c in cookieContainer.GetCookies(request.RequestUri))
{
var r = ("Cookie['" + c.Name + "']: " + c.Value);
}
if (response.StatusCode == HttpStatusCode.OK)
{
using (Stream responseStream = response.GetResponseStream()) // Load the response stream
using (StreamReader streamReader = new StreamReader(responseStream)) // Load the stream reader to read the response
{
siteContent = streamReader.ReadToEnd();
html = HtmlAgility(siteContent);
Session["html"] = html;
}
}
TempData[Resource_GetTruck.captchaURL] = VRCaptchaURL + html.img;
}