public static CFProxy[] ExecuteProxyAutoConfigurationURL(IntPtr proxyAutoConfigURL, Uri targetURL)
{
CFUrl url = CFUrl.Create(targetURL.AbsoluteUri);
if (url == null)
{
return(null);
}
CFProxy[] proxies = null;
var runLoop = CFRunLoop.CurrentRunLoop;
// Callback that will be called after executing the configuration script
CFProxyAutoConfigurationResultCallback cb = delegate(IntPtr client, IntPtr proxyList, IntPtr error) {
if (proxyList != IntPtr.Zero)
{
var array = new CFArray(proxyList, false);
proxies = new CFProxy [array.Count];
for (int i = 0; i < proxies.Length; i++)
{
CFDictionary dict = new CFDictionary(array[i], false);
proxies[i] = new CFProxy(dict);
}
array.Dispose();
}
runLoop.Stop();
};
var clientContext = new CFStreamClientContext();
var loopSource = CFNetworkExecuteProxyAutoConfigurationURL(proxyAutoConfigURL, url.Handle, cb, ref clientContext);
// Create a private mode
var mode = CFString.Create("Mono.MacProxy");
runLoop.AddSource(loopSource, mode);
runLoop.RunInMode(mode, double.MaxValue, false);
runLoop.RemoveSource(loopSource, mode);
return(proxies);
}
static Uri GetProxyUri(CFProxy proxy, out NetworkCredential credentials)
{
string protocol;
switch (proxy.ProxyType)
{
case CFProxyType.FTP:
protocol = "ftp://";
break;
case CFProxyType.HTTP:
case CFProxyType.HTTPS:
protocol = "http://";
break;
default:
credentials = null;
return(null);
}
string username = proxy.Username;
string password = proxy.Password;
string hostname = proxy.HostName;
int port = proxy.Port;
string uri;
if (username != null)
{
credentials = new NetworkCredential(username, password);
}
else
{
credentials = null;
}
uri = protocol + hostname + (port != 0 ? ':' + port.ToString() : string.Empty);
return(new Uri(uri, UriKind.Absolute));
}
