///
/// WinInet.dll wrapper
///
internal static class CookieReader
{
///
/// Enables the retrieval of cookies that are marked as "HTTPOnly".
/// Do not use this flag if you expose a scriptable interface,
/// because this has security implications. It is imperative that
/// you use this flag only if you can guarantee that you will never
/// expose the cookie to third-party code by way of an
/// extensibility mechanism you provide.
/// Version: Requires Internet Explorer 8.0 or later.
///
private const int INTERNET_COOKIE_HTTPONLY = 0x00002000;
[DllImport("wininet.dll", SetLastError = true)]
private static extern bool InternetGetCookieEx(
string url,
string cookieName,
StringBuilder cookieData,
ref int size,
int flags,
IntPtr pReserved);
///
/// Returns cookie contents as a string
///
///
///
public static string GetCookie(string url)
{
int size = 512;
StringBuilder sb = new StringBuilder(size);
if (!InternetGetCookieEx(url, null, sb, ref size, INTERNET_COOKIE_HTTPONLY, IntPtr.Zero))
{
if (size < 0)
{
return null;
}
sb = new StringBuilder(size);
if (!InternetGetCookieEx(url, null, sb, ref size, INTERNET_COOKIE_HTTPONLY, IntPtr.Zero))
{
return null;
}
}
return sb.ToString();
}
}