public static string GetPageDocument(string site,
FakeUserAgent userAgent,
bool ignoreCookies = true,
bool useDefaultCookiesParser = false)
{
if (!site.Contains("http://"))
{
site = $"http://{site}";
}
return(GetPageDocument(new Uri(site), null, userAgent, ignoreCookies, useDefaultCookiesParser));
}
//System.Net.CookieException
/// <summary>
///
/// </summary>
/// <param name="site"></param>
/// <param name="webProxy"></param>
/// <param name="userAgent"></param>
/// <param name="headers"></param>
/// <returns></returns>
public static string GetPageDocument(Uri site,
IWebProxy webProxy = null,
FakeUserAgent userAgent = null,
params KeyValuePair <string, string>[] headers)
{
return(GetPageDocument(site,
webProxy,
userAgent,
true,
false,
headers));
}
public static string GetPageDocument(Uri site,
IWebProxy webProxy = null,
FakeUserAgent userAgent = null,
bool?ignoreCookies = true,
bool?useDefaultCookiesParser = false,
params KeyValuePair <string, string>[] headers)
{
var redirectedUrl = string.Empty;
return(GetPageDocument(site, ref redirectedUrl,
webProxy,
userAgent,
ignoreCookies,
useDefaultCookiesParser,
headers));
}
/// <summary>
///
/// </summary>
/// <param name="name"></param>
/// <param name="value"></param>
private UserAgents(string name, FakeUserAgent value)
{
_name = name;
_value = value;
}
/// <summary>
///
/// </summary>
/// <param name="site"></param>
/// <param name="webProxy"></param>
/// <param name="userAgent"></param>
/// <param name="ignoreCookies"></param>
/// <param name="useDefaultCookiesParser"></param>
/// <param name="redirectedUrl"></param>
/// <param name="headers"></param>
/// <returns></returns>
public static string GetPageDocument(Uri site,
ref string redirectedUrl,
IWebProxy webProxy = null,
FakeUserAgent userAgent = null,
bool?ignoreCookies = true,
bool?useDefaultCookiesParser = false,
params KeyValuePair <string, string>[] headers)
{
if (userAgent == null)
{
userAgent = UserAgents.GetFakeUserAgent(UserAgents.Mozilla22);
}
try
{
ScrapingBrowser browser = null;
if (webProxy != null)
{
browser = new ScrapingBrowser()
{
UserAgent = userAgent,
Proxy = webProxy,
};
}
else
{
Dictionary <string, string> hdrs = null;
if (headers != null && headers.Any())
{
hdrs = new Dictionary <string, string>();
headers.ToList().ForEach(h => { hdrs.Add(h.Key, h.Value); });
}
browser = new ScrapingBrowser
{
UserAgent = userAgent,
//KeepAlive = true,
};
}
browser.IgnoreCookies = ignoreCookies.GetValueOrDefault();
browser.AllowMetaRedirect = true;
browser.Timeout = new TimeSpan(0, 0, 30);
//useDefaultCookiesParser.GetValueOrDefault();
var html = browser.DownloadString(site);
redirectedUrl = browser.Referer.AbsoluteUri;
return(html);
}
catch (WebException webEx)
{
//var extraDataOnError = string.Empty;
//if (webEx.Response != null)
//{
// var stream = webEx.Response.GetResponseStream();
// if (stream != null)
// using (var sr = new StreamReader(stream))
// extraDataOnError = sr.ReadToEnd();
//}
// Now you can access webEx.Response object that contains more info on the server response
if (webEx.Status != WebExceptionStatus.ProtocolError)
{
throw;
}
var response = ((HttpWebResponse)webEx.Response);
if (response == null)
{
return(string.Empty);
}
var error = $"Error occurred: {response.StatusCode}";
if (webEx.InnerException == null)
{
error += $"; Description : {response.StatusDescription}";
}
else
{
error += $"; Description : {response.StatusDescription}; {webEx.InnerException.Message}";
}
throw new WebException(error, webEx.InnerException);
}
catch (AggregateException aEx)
{
var sErr = string.Empty;
aEx.Handle((x) =>
{
if (x is UnauthorizedAccessException) // This we know how to handle.
{
//do your code here
}
else
{
sErr += x.Message;
}
return(true); //if you do something like this all exceptions are marked as handled
});
throw new Exception(sErr);
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
}
