public void SetProxy(CFProxySettings proxySettings)
{
if (proxySettings == null)
{
throw new ArgumentNullException("proxySettings");
}
SetProperty(_Proxy, proxySettings.Dictionary);
}
public WebProxy GetWebProxy()
{
CFProxySettings systemProxySettings = CFNetwork.GetSystemProxySettings();
string proxyHost = systemProxySettings.HTTPProxy;
int proxyPort = systemProxySettings.HTTPPort;
if (!string.IsNullOrWhiteSpace(proxyHost) &&
proxyPort != 0)
{
return(new WebProxy(proxyHost, proxyPort));
}
return(null);
}
public static CFProxy[] GetProxiesForUri (Uri uri, CFProxySettings proxySettings)
{
if (uri == null)
throw new ArgumentNullException ("uri");
NSUrl url = NSUrl.FromString (uri.AbsoluteUri);
if (url == null)
return null;
CFProxy[] proxies = GetProxiesForURL (url, proxySettings);
url.Dispose ();
return proxies;
}
public static CFProxy[] GetProxiesForURL (NSUrl url, CFProxySettings proxySettings)
{
if (url == null || (url.Handle == IntPtr.Zero))
throw new ArgumentNullException ("url");
if (proxySettings == null)
proxySettings = GetSystemProxySettings ();
NSArray array = CopyProxiesForURL (url, proxySettings.Dictionary);
if (array == null)
return null;
NSDictionary[] dictionaries = NSArray.ArrayFromHandle<NSDictionary> (array.Handle);
array.Dispose ();
if (dictionaries == null)
return null;
CFProxy[] proxies = new CFProxy [dictionaries.Length];
for (int i = 0; i < dictionaries.Length; i++)
proxies[i] = new CFProxy (dictionaries[i]);
return proxies;
}
public Uri GetProxy(Uri targetUri)
{
NetworkCredential credentials = null;
Uri proxy = null;
if (targetUri == null)
{
throw new ArgumentNullException("targetUri");
}
try {
CFProxySettings settings = CFNetwork.GetSystemProxySettings();
CFProxy[] proxies = CFNetwork.GetProxiesForUri(targetUri, settings);
if (proxies != null)
{
for (int i = 0; i < proxies.Length && proxy == null; i++)
{
switch (proxies[i].ProxyType)
{
case CFProxyType.AutoConfigurationJavaScript:
proxy = GetProxyUriFromScript(proxies[i].AutoConfigurationJavaScript, targetUri, out credentials);
break;
case CFProxyType.AutoConfigurationUrl:
proxy = ExecuteProxyAutoConfigurationURL(proxies[i].AutoConfigurationUrl, targetUri, out credentials);
break;
case CFProxyType.HTTPS:
case CFProxyType.HTTP:
case CFProxyType.FTP:
// create a Uri based on the hostname/port/etc info
proxy = GetProxyUri(proxies[i], out credentials);
break;
case CFProxyType.SOCKS:
// unsupported proxy type, try the next one
break;
case CFProxyType.None:
// no proxy should be used
proxy = targetUri;
break;
}
}
if (proxy == null)
{
// no supported proxies for this Uri, fall back to trying to connect to targetUri directly
proxy = targetUri;
}
}
else
{
proxy = targetUri;
}
} catch {
// ignore errors while retrieving proxy data
proxy = targetUri;
}
if (!userSpecified)
{
this.credentials = credentials;
}
return(proxy);
}
public static CFProxy[] GetProxiesForURL (CFUrl url, CFProxySettings proxySettings)
{
if (url == null || url.Handle == IntPtr.Zero)
throw new ArgumentNullException ("url");
if (proxySettings == null)
proxySettings = GetSystemProxySettings ();
CFArray array = CopyProxiesForURL (url, proxySettings.Dictionary);
if (array == null)
return null;
CFProxy[] 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 ();
return proxies;
}
public static CFProxy[] GetProxiesForUri(Uri uri, CFProxySettings proxySettings)
{
if (uri == null)
throw new ArgumentNullException ("uri");
using (NSUrl url = NSUrl.FromString (uri.AbsoluteUri))
return GetProxiesForURL (url, proxySettings);
}
