/// <summary>
/// Return proxy for requested Url
/// </summary>
/// <param name="sUrl">url</param>
/// <param name="sPacUri">Uri to PAC file</param>
/// <returns>proxy info</returns>
public static string GetProxyForUrlUsingPac(string DestinationUrl, string PacUri)
{
IntPtr WinHttpSession = Win32Api.WinHttpOpen("User", Win32Api.WINHTTP_ACCESS_TYPE_DEFAULT_PROXY, IntPtr.Zero, IntPtr.Zero, 0);
Win32Api.WINHTTP_AUTOPROXY_OPTIONS ProxyOptions = new Win32Api.WINHTTP_AUTOPROXY_OPTIONS();
Win32Api.WINHTTP_PROXY_INFO ProxyInfo = new Win32Api.WINHTTP_PROXY_INFO();
ProxyOptions.fAutoLoginIfChallenged = true;
ProxyOptions.dwFlags = Win32Api.WINHTTP_AUTOPROXY_CONFIG_URL;
ProxyOptions.dwAutoDetectFlags = (Win32Api.WINHTTP_AUTO_DETECT_TYPE_DHCP | Win32Api.WINHTTP_AUTO_DETECT_TYPE_DNS_A);
ProxyOptions.lpszAutoConfigUrl = PacUri;
// Get Proxy
bool IsSuccess = Win32Api.WinHttpGetProxyForUrl(WinHttpSession, DestinationUrl, ref ProxyOptions, ref ProxyInfo);
Win32Api.WinHttpCloseHandle(WinHttpSession);
if (IsSuccess)
{
return(ProxyInfo.lpszProxy);
}
else
{
Console.WriteLine("Error: {0}", Win32Api.GetLastError());
return(null);
}
}
/// <summary>
/// Return proxy for requested Url
/// </summary>
/// <param name="sUrl">url</param>
/// <param name="sPacUri">Uri to PAC file</param>
/// <returns>proxy info</returns>
public static string GetProxyForUrlUsingPac( string DestinationUrl, string PacUri )
{
IntPtr WinHttpSession = Win32Api.WinHttpOpen("User", Win32Api.WINHTTP_ACCESS_TYPE_DEFAULT_PROXY, IntPtr.Zero, IntPtr.Zero, 0);
Win32Api.WINHTTP_AUTOPROXY_OPTIONS ProxyOptions = new Win32Api.WINHTTP_AUTOPROXY_OPTIONS();
Win32Api.WINHTTP_PROXY_INFO ProxyInfo = new Win32Api.WINHTTP_PROXY_INFO();
ProxyOptions.fAutoLoginIfChallenged = true;
ProxyOptions.dwFlags = Win32Api.WINHTTP_AUTOPROXY_CONFIG_URL;
ProxyOptions.dwAutoDetectFlags = (Win32Api.WINHTTP_AUTO_DETECT_TYPE_DHCP | Win32Api.WINHTTP_AUTO_DETECT_TYPE_DNS_A);
ProxyOptions.lpszAutoConfigUrl = PacUri;
// Get Proxy
bool IsSuccess = Win32Api.WinHttpGetProxyForUrl( WinHttpSession, DestinationUrl, ref ProxyOptions, ref ProxyInfo );
Win32Api.WinHttpCloseHandle(WinHttpSession);
if ( IsSuccess ){
return ProxyInfo.lpszProxy;
}else {
Console.WriteLine("Error: {0}", Win32Api.GetLastError() );
return null;
}
}
