public IPttRequest RequestWithCaptchaValue(IPttRequest request, IPttCaptcha pttCaptcha)
{
var htmlDoc = new HtmlAgilityPack.HtmlDocument();
htmlDoc.LoadHtml(request.Response);
var challengeField = htmlDoc.DocumentNode.SelectSingleNode("//input[@id='recaptcha_challenge_field']");
if (challengeField == null)
{
return null;
}
var challengeFieldValue = challengeField.Attributes["value"].Value;
var pttRequestFactory = new PttRequestFactory(request);
var newReq = pttRequestFactory.Deserialize(string.Format("<Request><Url>{0}</Url><Method>POST</Method></Request>", request.Url));
newReq.PostValue = string.Format("recaptcha_challenge_field={0}&recaptcha_response_field={1}&submit=I%27m+a+human", challengeFieldValue, pttCaptcha.Value ?? "");
newReq.WrappedRequest.ContentType = "application/x-www-form-urlencoded";
var pttResponse = new PttResponse();
//bu gelen htmlsource dan textarea degerini oku
htmlDoc = new HtmlAgilityPack.HtmlDocument();
htmlDoc.LoadHtml(pttResponse.GetResponse(newReq));
var valueToPasteNode = htmlDoc.DocumentNode.SelectSingleNode("//textarea");
if (valueToPasteNode == null)
{
return null;
}
return null;
}
public IPttCaptcha CaptchaImage(IPttRequest request, string htmlSource)
{
var htmlDoc = new HtmlAgilityPack.HtmlDocument();
htmlDoc.LoadHtml(htmlSource);
var iframe = htmlDoc.DocumentNode.SelectSingleNode("//iframe");
if (iframe == null)
{
return null;
}
var iframeSrc = iframe.Attributes["src"].Value;
var newRequest = new PttRequest(iframeSrc) {WrappedRequest = {ContentType = "text/html", Method = "GET"}};
IPttResponse response = new PttResponse();
var captchaFormHtml = response.GetResponse(newRequest);
htmlDoc = new HtmlAgilityPack.HtmlDocument();
htmlDoc.LoadHtml(captchaFormHtml);
var captchaImg = htmlDoc.DocumentNode.SelectSingleNode("//img");
if (captchaImg == null)
{
return null;
}
var captchaSrc = string.Format("http://{0}/recaptcha/api/{1}", googleHost, captchaImg.Attributes["src"].Value);
return new PttCaptcha() { Url = captchaSrc, RequestUsed = newRequest, FormUrl = iframeSrc};
}
public IPttCaptcha CaptchaImage(IPttRequest request, string htmlSource)
{
if (_extensiveLoggingNeeded)
{
Logger.LogProcess("TezCaptcha CaptchaImage to be parsed from:" + htmlSource);
}
var jss = new JavaScriptSerializer();
var dict = jss.Deserialize<dynamic>(htmlSource);
string captchaFormHtml = "";
var captchaFormUrl = "";
if (dict.ContainsKey("message"))
{
if (dict["message"] == "captchaEnable")
{
if (_extensiveLoggingNeeded)
{
Logger.LogProcess("TezCaptcha CaptchaImage captchaEnable message came");
}
Thread.Sleep(TimeSpan.FromSeconds(3));
captchaFormUrl = HttpUtility.UrlDecode((string)dict["ref"]);
if (_extensiveLoggingNeeded)
{
Logger.LogProcess("TezCaptcha CaptchaImage captcha form url:" + captchaFormUrl);
}
var pttRequestFactory = new PttRequestFactory(request, false);
var newReq = pttRequestFactory.Deserialize(string.Format("<Request><Url>{0}</Url></Request>",captchaFormUrl));
if (_extensiveLoggingNeeded)
{
Logger.LogProcess("TezCaptcha CaptchaImage newRequest created:" + newReq);
}
try
{
IPttResponse response = new PttResponse();
captchaFormHtml = response.GetResponse(newReq);
newReq.WrappedRequest = null;
GC.Collect();
}
catch (Exception exception)
{
Logger.LogProcess("TezCaptcha CaptchaImage newrequest response error:");
Logger.LogExceptions(exception);
}
if (_extensiveLoggingNeeded)
{
Logger.LogProcess("TezCaptcha CaptchaImage captcha form html:" + captchaFormHtml);
}
}
}
var html = new HtmlDocument();
html.LoadHtml(captchaFormHtml);
var captchaValue = html.DocumentNode.SelectSingleNode("//input[@name='image']");
if (captchaValue == null)
{
if (_extensiveLoggingNeeded)
{
Logger.LogProcess("TezCaptcha CaptchaImage captcha image useing default value");
}
return new PttCaptcha() { Url = "http://www.tez-tour.com/captcha/images/19E9EE6B59814EF25AAC404E5336EA2E.png", FormUrl = captchaFormUrl };
}
if (_extensiveLoggingNeeded)
{
Logger.LogProcess("TezCaptcha CaptchaImage captcha image extracted:" + captchaValue.Attributes["value"].Value);
}
return new PttCaptcha() { Url = string.Format("http://www.tez-tour.com/captcha/images/{0}.png", captchaValue.Attributes["value"].Value), FormUrl = captchaFormUrl };
}
