Add Feature pt1

HorseIsleServer/LibHISP/Security/Authentication.cs

@@ -0,0 +1,88 @@
+
+using System.Security.Cryptography;
+using System.Text;
+using System.Linq;
+
+using HISP.Server;
+
+namespace HISP.Security
+{
+    public class Authentication
+    {
+        public static string DecryptLogin(string encpass)
+        {
+            string decrypt = "";
+            string ROTPOOL = "bl7Jgk61IZdnY mfDN5zjM2XLqTCty4WSEoKR3BFVQsaUhHOAx0rPwp9uc8iGve";
+            string POSPOOL = "DQc3uxiGsKZatMmOS5qYveN71zoPTk8yU0H2w9VjprBXWn l4FJd6IRbhgACfEL";
+            string ROTPOOL2 = "evGi8cu9pwPr0xAOHhUasQVFB3RKoESW4ytCTqLX2Mjz5NDfm YndZI16kgJ7lb";
+
+
+            int i = 0;
+            int ii = 0;
+            while (i < encpass.Length)
+            {
+                int ROT = ROTPOOL.IndexOf(encpass[i].ToString());
+                int POS = POSPOOL.IndexOf(encpass[i + 1].ToString());
+                POS -= (ROT + ii);
+                if (POS < 0)
+                {
+                    POS = (POS / -1) - 1;
+
+                    while (POS >= ROTPOOL.Length)
+                    {
+                        POS -= ROTPOOL.Length;
+                    }
+
+                    decrypt += ROTPOOL2[POS];
+                }
+                else
+                {
+                    while (POS >= ROTPOOL.Length)
+                    {
+                        POS -= ROTPOOL.Length;
+                    }
+
+                    decrypt += ROTPOOL[POS];
+                }
+
+                i += 2;
+                ii += 1;
+            }
+            return decrypt.Replace(" ", "");
+        }
+
+
+
+        public static byte[] HashAndSalt(string plaintext, byte[] salt)
+        {
+            byte[] plaintextBytes = Encoding.UTF8.GetBytes(plaintext);
+
+            SHA512 sha512 = SHA512.Create();
+            byte[] hash = sha512.ComputeHash(plaintextBytes);
+
+            for (int i = 0; i < hash.Length; i++)
+            {
+                hash[i] ^= salt[i];
+            }
+
+            byte[] finalHash = sha512.ComputeHash(hash);
+
+            return finalHash;
+        }
+
+        public static bool CheckPassword(string username, string password)
+        {
+            if(Database.CheckUserExist(username))
+            {
+                byte[] expectedPassword = Database.GetPasswordHash(username);
+                byte[] salt = Database.GetPasswordSalt(username);
+                byte[] hashedPassword = HashAndSalt(password, salt);
+
+                if (Enumerable.SequenceEqual(expectedPassword, hashedPassword))
+                    return true;
+            }
+            return false;
+        }
+
+    }
+}

HorseIsleServer/LibHISP/Security/BBCode.cs

@@ -0,0 +1,35 @@
+using System.Collections.Generic;
+
+namespace HISP.Security
+{
+    public class BBCode
+    {
+        public BBCode(string tag, string meta)
+        {
+            this.Tag = tag;
+            this.MetaTranslation = meta;
+            bbcodeTranslations.Add(this);
+        }
+        private static List<BBCode> bbcodeTranslations = new List<BBCode>();
+        public string Tag;
+        public string MetaTranslation;
+
+        public static string EncodeMetaToBBCode(string message)
+        {
+            foreach (BBCode code in bbcodeTranslations)
+            {
+                message = message.Replace(code.MetaTranslation, code.Tag);
+            }
+            return message;
+        }
+        public static string EncodeBBCodeToMeta(string message)
+        {
+            foreach(BBCode code in bbcodeTranslations)
+            {
+                message = message.Replace(code.Tag, code.MetaTranslation);
+                message = message.Replace(code.Tag.ToUpper(), code.MetaTranslation);
+            }
+            return message;
+        }
+    }
+}

HorseIsleServer/LibHISP/Security/CrossDomainPolicy.cs

@@ -0,0 +1,28 @@
+using HISP.Properties;
+using System.IO;
+using HISP.Server;
+namespace HISP.Security
+{
+    public class CrossDomainPolicy
+    {
+        public static byte[] GetPolicy()
+        {
+            if (!File.Exists(ConfigReader.CrossDomainPolicyFile)) {
+                Logger.InfoPrint("Cross-Domain-Policy file not found, using default");
+                File.WriteAllText(ConfigReader.CrossDomainPolicyFile, Resources.DefaultCrossDomain);
+            } 
+                
+
+            MemoryStream ms = new MemoryStream();
+            byte[] policyFileBytes = File.ReadAllBytes(ConfigReader.CrossDomainPolicyFile);
+            ms.Write(policyFileBytes, 0x00, policyFileBytes.Length);
+            ms.WriteByte(0x00);
+
+            ms.Seek(0x00, SeekOrigin.Begin);
+            byte[] policyFileData = ms.ToArray();
+            ms.Close();
+
+            return policyFileData;
+        }
+    }
+}

HorseIsleServer/LibHISP/Security/RandomID.cs

@@ -0,0 +1,21 @@
+namespace HISP.Security
+{
+    public class RandomID
+    {
+        private static int prevId = 0;
+        public static int NextRandomId(int randomId=-1)
+        {
+            int rndmId = 0;
+
+            if (randomId == -1)
+                rndmId = prevId+1;
+            else
+                rndmId = randomId;
+
+            if (rndmId >= prevId)
+                prevId = rndmId;
+
+            return rndmId;
+        }
+    }
+}