//Process PAC URL and extract proxies
public static List <ConfigPair> GetPAC(ConfigPair config)
{
#if DEBUG
Console.WriteLine(System.Reflection.MethodBase.GetCurrentMethod().Name);
Console.WriteLine("Processing PAC: {0}", config.URL.ToString());
#endif
List <ConfigPair> ret = new List <ConfigPair>();
try
{
string pacData = GetHTTP(config.URL, null, config.UserAgent);
if (!pacData.Contains("PROXY "))
{
return(ret);
}
System.Text.RegularExpressions.Regex
rx = new System.Text.RegularExpressions.Regex(@"PROXY (.*?):(\d+)");
System.Text.RegularExpressions.MatchCollection matches = rx.Matches(pacData);
foreach (System.Text.RegularExpressions.Match match in matches)
{
Uri srv = string.Format("{0}:{1}", match.Groups[1].Value, match.Groups[2].Value).ToUri();
if (!ret.Any(x => x.URL.Equals(srv)))
{
//if winhttp convert to IE
if (config.UserAgent.Equals(UserAgents.WHUA))
{
config.UserAgent = UserAgents.EDUA;
}
ret.Add(new ConfigPair {
URL = srv, UserAgent = config.UserAgent
});
}
}
}
catch (Exception ex)
{
#if DEBUG
Console.WriteLine("[*] An exception occured: {0}", ex.Message);
#endif
}
#if DEBUG
Console.WriteLine("\tProxies: {0}", ret.Count);
foreach (var proxy in ret)
{
Console.WriteLine("{0}", proxy);
}
#endif
return(ret);
}
//Get entries from the registry
public static ConfigPair GetRegistry(string key, string value, string UA)
{
ConfigPair ret = null;
try
{
var regkey = Registry.GetValue(key, value, null);
if (regkey != null)
{
ret = new ConfigPair {
URL = regkey.ToString().ToUri(), UserAgent = UA
};
}
}
catch (Exception ex)
{
#if DEBUG
Console.WriteLine("[*] An exception occured: {0}", ex);
#endif
}
return(ret);
}
public static bool DoHTTP(Uri url, string response, string info, ConfigPair config)
{
#if DEBUG
Console.WriteLine(System.Reflection.MethodBase.GetCurrentMethod().Name);
#endif
try
{
Uri urlrequest = new Uri(string.Format("{0}?{1}", url.ToString(), info));
var resp = GetHTTP(urlrequest, config.URL, config.UserAgent);
if (!string.IsNullOrEmpty(resp))
{
if (resp.Contains(response))
{
#if DEBUG
Console.WriteLine("\tCanTalk: true");
#endif
return(true);
}
else
{
#if DEBUG
Console.WriteLine("\tConnection success, but response not the same.");
#endif
return(false);
}
}
return(false);
}
catch (Exception ex)
{
#if DEBUG
Console.WriteLine("[*] An exception occured: {0}", ex);
#endif
return(false);
}
}
public static string GetHTTP(Uri url, ConfigPair config)
{
return(GetHTTP(url, config.URL, config.UserAgent));
}
