public GClass123(ProxySettings[] proxySettings_1, int int_1 = 0)
{
Class13.NP5bWyNzLwONS();
base..ctor();
if (int_1 < 0 || int_1 > 65535)
{
throw new ArgumentOutOfRangeException("internalServerPort");
}
if (proxySettings_1 == null)
{
throw new ArgumentNullException("proxyList");
}
if (proxySettings_1.Length == 0)
{
throw new ArgumentException("proxyList is empty", "proxyList");
}
if (proxySettings_1.Any(new Func <ProxySettings, bool>(GClass123.< > c.< > c_0.method_0)))
{
throw new ArgumentNullException("proxyList", "Proxy in proxyList is null");
}
this.proxySettings_0 = proxySettings_1;
this.method_1(int_1);
this.socket_0 = GClass123.smethod_4();
this.socket_0.Bind(new IPEndPoint(IPAddress.Loopback, this.method_0()));
if (this.method_0() == 0)
{
this.method_1(((IPEndPoint)this.socket_0.LocalEndPoint).Port);
}
this.uri_0 = new Uri("http://127.0.0.1:" + this.method_0().ToString());
this.socket_0.Listen(8);
this.socket_0.BeginAccept(new AsyncCallback(this.method_4), null);
}
private void method_5(Socket socket_1)
{
Socket socket = null;
bool flag = true;
try
{
string string_;
int num;
string text;
bool flag2;
string string_2;
byte[] array;
if (GClass123.smethod_0(socket_1, out string_, out num, out text, out flag2, out string_2, out array))
{
try
{
socket = GClass123.smethod_4();
socket.Connect(this.proxySettings_0[0].Host, this.proxySettings_0[0].Port);
}
catch (SocketException)
{
GClass123.smethod_3(socket_1, (GClass123.GEnum7)(-2147483644), "HTTP/1.1 ");
flag = false;
}
catch (Exception)
{
GClass123.smethod_3(socket_1, (GClass123.GEnum7)(-2147483647), "HTTP/1.1 ");
flag = false;
}
if (flag)
{
int i = 0;
while (i < this.proxySettings_0.Length - 1)
{
ProxySettings proxySettings = this.proxySettings_0[i];
ProxySettings proxySettings2 = this.proxySettings_0[i + 1];
GClass123.GEnum7 genum = GClass123.Class3.smethod_0(socket, proxySettings2.Host, proxySettings2.Port, proxySettings);
if (genum == (GClass123.GEnum7) 0)
{
i++;
}
else
{
GClass123.smethod_3(socket_1, genum, text);
flag = false;
IL_CE:
if (!flag)
{
goto IL_12E;
}
ProxySettings proxySettings3 = this.proxySettings_0.Last <ProxySettings>();
genum = GClass123.Class3.smethod_0(socket, string_, num, proxySettings3);
if (genum != (GClass123.GEnum7) 0)
{
GClass123.smethod_3(socket_1, genum, text);
flag = false;
goto IL_12E;
}
if (flag2)
{
GClass123.smethod_2(socket_1, text + "200 Connection established\r\nProxy-Agent: HttpToSocksProxy\r\n\r\n");
goto IL_12E;
}
GClass123.smethod_2(socket, string_2);
if (array != null)
{
socket.Send(array, SocketFlags.None);
goto IL_12E;
}
goto IL_12E;
}
}
goto IL_CE;
}
}
else
{
flag = false;
}
IL_12E :;
}
catch
{
flag = false;
try
{
GClass123.smethod_3(socket_1, (GClass123.GEnum7)(-2147483647), "HTTP/1.1 ");
}
catch
{
}
}
finally
{
if (flag)
{
GClass123.Class2.smethod_1(socket, socket_1);
}
else
{
socket_1.smethod_3();
socket.smethod_3();
}
}
}