using System;
using System.IO;
using System.Management;
using System.Net;
using System.Net.Security;
using System.Security.Cryptography;
using System.Security.Cryptography.X509Certificates;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading;

namespace skAuth
{
    // Token: 0x02000041 RID: 65
    internal class Program
    {
        // Token: 0x0600058F RID: 1423
        public static string GetSRC(string uri)
        {
            ServicePointManager.Expect100Continue = true;
            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12;
            HttpWebRequest httpWebRequest = (HttpWebRequest)WebRequest.Create(uri);
            httpWebRequest.AutomaticDecompression = (DecompressionMethods.GZip | DecompressionMethods.Deflate);
            httpWebRequest.Proxy = null;
            httpWebRequest.ServerCertificateValidationCallback = (RemoteCertificateValidationCallback)Delegate.Combine(httpWebRequest.ServerCertificateValidationCallback, new RemoteCertificateValidationCallback((object obj, X509Certificate cert, X509Chain ssl, SslPolicyErrors error) => (cert as X509Certificate2).Verify()));
            string result;
            using (HttpWebResponse response = (HttpWebResponse)httpWebRequest.GetResponse())
            {
                using (Stream stream = response.GetResponseStream())
                {
                    using (StreamReader reader = new StreamReader(stream))
                    {
                        result = reader.ReadToEnd();
                    }
                }
            }
            return result;
        }

        // Token: 0x06000590 RID: 1424
        public static void login()
        {
            string b = Program.GetSRC("https://pastebin.com/raw/ZPrgeSYR");
            if (b.Contains("v1"))
            {
                Console.WriteLine("You are up to date! Enjoy the tool!");
            }
            else if (b.Contains("CRACKED"))
            {
                Console.WriteLine("Tool has been leaked/cracked. Check out the server to see what happened.");
                Thread.Sleep(500);
                Environment.Exit(1);
            }
            else
            {
                Console.WriteLine("You Are using an outdated client. Please update.");
                Thread.Sleep(500);
                Environment.Exit(1);
            }
            Console.Clear();
            if (File.Exists("license.txt"))
            {
                string input = File.ReadAllText("license.txt");
                string lic = Regex.Match(input, "LICKEY: (.*) \\| HWID: (.*)\r").Groups[1].ToString();
                string HWID = Regex.Match(input, "LICKEY: (.*) \\| HWID: (.*)\r").Groups[2].ToString();
                string wtfu = string.Concat(new string[]
                {
                    "Skiddies",
                    lic,
                    HWID,
                    DateTime.UtcNow.ToString("yyyy'-'MM'-'dd' 'HH':'mm"),
                    "Skiddies"
                });
                if (Program.GetSRC(string.Concat(new string[]
                {
                    "https://zionteam.tk/Auth/auth.php?authkey=",
                    lic,
                    "&hwid=",
                    HWID,
                    "&software_id=BHS"
                })).Contains(Program.ComputeSha256Hash(wtfu)))
                {
                    Console.WriteLine("Access Granted!", ConsoleColor.Green);
                    Console.WriteLine("PRESS ANY KEY TO CONTINUE");
                    Console.ReadLine();
                    Console.Clear();
                    return;
                }
                Console.Write("Error... Make sure your key is active and our servers are not down...\nYour HWID:" + HWID, ConsoleColor.Red);
                Console.ReadLine();
                Environment.Exit(-1);
                return;
            }
            else
            {
                Console.WriteLine("Please Input Your License");
                string AuthKey = Console.ReadLine();
                string hwid = Program.HWID();
                string wtfu2 = string.Concat(new string[]
                {
                    "Skiddies",
                    AuthKey,
                    Program.HWID(),
                    DateTime.UtcNow.ToString("yyyy'-'MM'-'dd' 'HH':'mm"),
                    "Skiddies"
                });
                string[] info = new string[]
                {
                    "LICKEY: " + AuthKey + " | HWID: " + hwid
                };
                File.Create("license.txt").Close();
                File.WriteAllLines("license.txt", info);
                if (Program.GetSRC(string.Concat(new string[]
                {
                    "https://zionteam.tk/Auth/auth.php?authkey=",
                    AuthKey,
                    "&hwid=",
                    hwid,
                    "&software_id=BHS"
                })).Contains(Program.ComputeSha256Hash(wtfu2)))
                {
                    Console.WriteLine("Access Granted!", ConsoleColor.Green);
                    Console.WriteLine("PRESS ANY KEY TO CONTINUE");
                    Console.ReadLine();
                    Console.Clear();
                    return;
                }
                Console.Write("Error... Make sure your key is active and our servers are not down...\nYour HWID:" + hwid, ConsoleColor.Red);
                Console.ReadLine();
                Environment.Exit(-1);
                return;
            }
        }

        // Token: 0x06000591 RID: 1425
        private static string ComputeSha256Hash(string rawData)
        {
            string result;
            using (SHA256 sha256Hash = SHA256.Create())
            {
                byte[] bytes = sha256Hash.ComputeHash(Encoding.UTF8.GetBytes(rawData));
                StringBuilder builder = new StringBuilder();
                for (int i = 0; i < bytes.Length; i++)
                {
                    builder.Append(bytes[i].ToString("x2"));
                }
                result = builder.ToString();
            }
            return result;
        }

        // Token: 0x06000592 RID: 1426
        private static string HWID()
        {
            string text2 = null;
            if (string.IsNullOrEmpty(text2))
            {
                foreach (DriveInfo driveInfo in DriveInfo.GetDrives())
                {
                    if (driveInfo.IsReady)
                    {
                        text2 = driveInfo.RootDirectory.ToString();
                        break;
                    }
                }
            }
            if (!string.IsNullOrEmpty(text2) && text2.EndsWith(":\\"))
            {
                text2 = text2.Substring(0, text2.Length - 2);
            }
            string str;
            using (ManagementObject managementObject = new ManagementObject("win32_logicaldisk.deviceid=\"" + text2 + ":\""))
            {
                managementObject.Get();
                str = managementObject["VolumeSerialNumber"].ToString();
            }
            return str;
        }
    }
}