Removed NioTSO client and server

- NioTSO client isn't needed because we're using RayLib
- Added FreeSO's API server to handle most backend operations

server/FSO.Server.Database/DA/EmailConfirmations/EmailConfirmation.cs

@@ -0,0 +1,32 @@
+namespace FSO.Server.Database.DA.EmailConfirmation
+{
+    /// <summary>
+    /// EmailConfirmation model
+    /// </summary>
+    public class EmailConfirmation
+    {
+        /// <summary>
+        /// Confirmation type. Can be an email confirmation or password
+        /// reset confirmation.
+        /// </summary>
+        public ConfirmationType type { get; set; }
+        /// <summary>
+        /// The user email address.
+        /// </summary>
+        public string email { get; set; }
+        /// <summary>
+        /// Randomized token.
+        /// </summary>
+        public string token { get; set; }
+        /// <summary>
+        /// Timestamp when the confirmation token will expire.
+        /// </summary>
+        public uint expires { get; set; }
+    }
+
+    public enum ConfirmationType
+    {
+        email = 1,
+        password
+    }
+}

server/FSO.Server.Database/DA/EmailConfirmations/IEmailConfirmations.cs

@@ -0,0 +1,10 @@
+namespace FSO.Server.Database.DA.EmailConfirmation
+{
+    public interface IEmailConfirmations
+    {
+        string Create(EmailConfirmation confirm);
+        EmailConfirmation GetByEmail(string email, ConfirmationType type);
+        EmailConfirmation GetByToken(string token);
+        void Remove(string token);
+    }
+}

server/FSO.Server.Database/DA/EmailConfirmations/SqlEmailConfirmations.cs

@@ -0,0 +1,57 @@
+using System;
+using System.Linq;
+using Dapper;
+using FSO.Server.Common;
+
+namespace FSO.Server.Database.DA.EmailConfirmation
+{
+    public class SqlEmailConfirmations : AbstractSqlDA, IEmailConfirmations
+    {
+        public SqlEmailConfirmations(ISqlContext context) : base(context)
+        {
+
+        }
+
+        public EmailConfirmation GetByToken(string token)
+        {
+            var confirm = Context.Connection.Query<EmailConfirmation>("SELECT * FROM fso_email_confirm WHERE token = @token", new { token = token }).FirstOrDefault();
+            
+            if(confirm==null) { return null; }
+
+            if(Epoch.Now > confirm.expires)
+            {
+                Remove(confirm.token);
+                return null;
+            }
+
+            return confirm;
+        }
+
+        public EmailConfirmation GetByEmail(string email, ConfirmationType type)
+        {
+            var confirm = Context.Connection.Query<EmailConfirmation>("SELECT * FROM fso_email_confirm WHERE email = @email AND type = @type", new { email = email, type = type }).FirstOrDefault();
+
+            if (confirm == null) { return null; }
+
+            if (Epoch.Now > confirm.expires)
+            {
+                Remove(confirm.token);
+                return null;
+            }
+
+            return confirm;
+        }
+
+        public string Create(EmailConfirmation confirm)
+        {
+            confirm.token = Guid.NewGuid().ToString().ToUpper();
+            Context.Connection.Execute("INSERT INTO fso_email_confirm (type, email, token, expires) VALUES (@type, @email, @token, @expires)", confirm);
+            return confirm.token;
+        }
+
+        public void Remove(string token)
+        {
+            Context.Connection.Execute("DELETE FROM fso_email_confirm WHERE token = @token", new { token = token });
+        }
+    }
+}