Added a way to login and register and a tools project

BrightGlimmer.Service/BrightGlimmer.Service.csproj

@@ -4,10 +4,6 @@
     <TargetFramework>netstandard2.0</TargetFramework>
   </PropertyGroup>
 
-  <ItemGroup>
-    <Folder Include="Interfaces\" />
-  </ItemGroup>
-
   <ItemGroup>
     <PackageReference Include="MediatR" Version="6.0.0" />
   </ItemGroup>

BrightGlimmer.Service/Interfaces/IUserService.cs

@@ -0,0 +1,14 @@
+using BrightGlimmer.Domain.Auth;
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BrightGlimmer.Service.Interfaces
+{
+    public interface IUserService
+    {
+        string Login(string username, string password);
+        Task<string> RegisterAsync(User user, string password);
+    }
+}

BrightGlimmer.Service/Services/UserService.cs

@@ -0,0 +1,55 @@
+using BrightGlimmer.Data;
+using BrightGlimmer.Domain.Auth;
+using BrightGlimmer.Service.Interfaces;
+using BrightGlimmer.Tools;
+using Microsoft.Extensions.Configuration;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace BrightGlimmer.Service.Services
+{
+    public class UserService : IUserService
+    {
+        private readonly IConfiguration configuration;
+        private readonly AuthContext context;
+
+        public UserService(IConfiguration configuration, AuthContext context)
+        {
+            this.configuration = configuration;
+            this.context = context;
+        }
+
+        public string Login(string username, string password)
+        {
+            var user = context.Users.SingleOrDefault(x => x.Username == username);
+            var hasher = new PasswordHasher();
+
+            if (user == null || hasher.Verify(password, user.PasswordHash))
+            {
+                return CreateAuthToken(username, user.Email);
+            }
+
+            return null;
+        }
+
+        public async Task<string> RegisterAsync(User user, string password)
+        {
+            /* TODO: Perform validation on user */
+
+            var hasher = new PasswordHasher();
+            var hash = hasher.GetHash(password);
+            user.PasswordHash = hash;
+
+            context.Users.Add(user);
+            await context.SaveChangesAsync();
+
+            return CreateAuthToken(user.Username, user.Email);
+        }
+
+        private string CreateAuthToken(string username, string email)
+        {
+            var tokenCreator = new JwtTokenCreator(configuration.GetSection("Keys")["JwtPrivateKey"]);
+            return tokenCreator.CreateToken(username, email);
+        }
+    }
+}