static WinINet()
{
try
{
initialSetting = Query();
}
catch (DllNotFoundException)
{
operational = false;
// Not on windows
logger.Info("You are not running on Windows platform, system proxy will disable");
}
catch (Win32Exception we)
{
if (we.NativeErrorCode == 12178)
{
logger.Warn("WPAD service is not running, system proxy will disable");
// WPAD not running
}
else
{
throw;
}
}
finally
{
if (initialSetting == null)
{
initialSetting = new();
}
}
}
public static void Set(WinINetSetting setting)
{
List <InternetPerConnectionOption> options = new List <InternetPerConnectionOption>
{
GetOption(InternetPerConnectionOptionEnum.Flags, setting.Flags),
GetOption(InternetPerConnectionOptionEnum.ProxyServer, setting.ProxyServer),
GetOption(InternetPerConnectionOptionEnum.ProxyBypass, setting.ProxyBypass),
GetOption(InternetPerConnectionOptionEnum.AutoConfigUrl, setting.AutoConfigUrl),
};
Exec(options);
}
public static WinINetSetting Query()
{
if (!operational)
{
return(new WinINetSetting());
}
List <InternetPerConnectionOption> options = new List <InternetPerConnectionOption>
{
new InternetPerConnectionOption {
dwOption = (int)InternetPerConnectionOptionEnum.FlagsUI
},
new InternetPerConnectionOption {
dwOption = (int)InternetPerConnectionOptionEnum.ProxyServer
},
new InternetPerConnectionOption {
dwOption = (int)InternetPerConnectionOptionEnum.ProxyBypass
},
new InternetPerConnectionOption {
dwOption = (int)InternetPerConnectionOptionEnum.AutoConfigUrl
},
};
(IntPtr unmanagedList, int listSize) = PrepareOptionList(options, null);
bool ok = InternetQueryOption(IntPtr.Zero, (int)InternetOptions.PerConnectionOption, unmanagedList, ref listSize);
if (!ok)
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
WinINetSetting proxy = new WinINetSetting();
InternetPerConnectionOptionList ret = Marshal.PtrToStructure <InternetPerConnectionOptionList>(unmanagedList);
IntPtr p = ret.pOptions;
int nOption = ret.OptionCount;
List <InternetPerConnectionOption> outOptions = new List <InternetPerConnectionOption>();
for (int i = 0; i < nOption; i++)
{
InternetPerConnectionOption o = Marshal.PtrToStructure <InternetPerConnectionOption>(p);
outOptions.Add(o);
p += Marshal.SizeOf(o);
}
foreach (InternetPerConnectionOption o in outOptions)
{
switch ((InternetPerConnectionOptionEnum)o.dwOption)
{
case InternetPerConnectionOptionEnum.FlagsUI:
case InternetPerConnectionOptionEnum.Flags:
proxy.Flags = (InternetPerConnectionFlags)o.Value.dwValue;
break;
case InternetPerConnectionOptionEnum.AutoConfigUrl:
proxy.AutoConfigUrl = Marshal.PtrToStringAuto(o.Value.pszValue);
break;
case InternetPerConnectionOptionEnum.ProxyBypass:
proxy.ProxyBypass = Marshal.PtrToStringAuto(o.Value.pszValue);
break;
case InternetPerConnectionOptionEnum.ProxyServer:
proxy.ProxyServer = Marshal.PtrToStringAuto(o.Value.pszValue);
break;
default:
break;
}
}
return(proxy);
}