src/Server/Controllers/AuthenticationController.cs

@@ -34,19 +34,9 @@ namespace BoredCareers.Controllers {
                             test.CurrentPasswordAttempts = 0;
                             await _databaseService.SetAccount(test);
 
-                            List<Claim> claims = new List<Claim>() {
+                            string jwt = BoredCareersJWT.GenereateJWTToken(test.ID, StayLoggedIn);
-                                new Claim("ID", test.ID.ToString()),
+                            BoredCareersJWT.SignIn(Response, StayLoggedIn, jwt);
-                                new Claim(ClaimTypes.NameIdentifier, test.ID.ToString())
-                            };
 
-                            await HttpContext.SignInAsync(
-                                CookieAuthenticationDefaults.AuthenticationScheme,
-                                new ClaimsPrincipal(new ClaimsIdentity(claims, "Auth")),
-                                new AuthenticationProperties {
-                                    ExpiresUtc = DateTime.UtcNow.AddYears(30),  // Add 30 years with sliding on
-                                    IsPersistent = StayLoggedIn,                // Is set from the StayLoggedIn
-                                }
-                            );
                             return Ok(test);
                         } else {
                             test.CurrentPasswordAttempts += 1;
@@ -151,9 +141,9 @@ namespace BoredCareers.Controllers {
 
         [Route("logout")]
         [HttpPost]
-        public async Task<ActionResult> Logout() {
+        public ActionResult Logout() {
             if (isLoggedIn()) {
-                await HttpContext.SignOutAsync();
+                BoredCareersJWT.SignOut(Response);
                 return Ok();
             }
             return NotFound();

src/Server/Program.cs

@@ -5,6 +5,11 @@ using BoredCareers.Services.DatabaseService;
 using System.Threading.RateLimiting;
 using Stripe;
 using System.Security.Claims;
+using Microsoft.AspNetCore.Authentication.JwtBearer;
+using Microsoft.IdentityModel.Tokens;
+using Org.BouncyCastle.Bcpg.Sig;
+using System.Text;
+using System.IdentityModel.Tokens.Jwt;
 
 var builder = WebApplication.CreateBuilder(args);
 
@@ -81,15 +86,40 @@ if (IPayment._PaymentType == PaymentType.StripeIntent) {
 }
 
 // Authentication Service
-builder.Services.AddAuthentication( options => {
+builder.Services.AddAuthentication(options => {
-    options.DefaultScheme = CookieAuthenticationDefaults.AuthenticationScheme;
+    options.DefaultAuthenticateScheme = JwtBearerDefaults.AuthenticationScheme;
-} ).AddCookie(options => {
+    options.DefaultChallengeScheme = JwtBearerDefaults.AuthenticationScheme;
-    options.Cookie.HttpOnly = true;
+}).AddJwtBearer(options => {
-    options.Cookie.SecurePolicy = CookieSecurePolicy.Always;
+    options.TokenValidationParameters = new TokenValidationParameters {
-    options.Cookie.SameSite = SameSiteMode.Strict;
+        ValidateIssuer = true,
-    options.LoginPath = "/account/login";
+        ValidateAudience = true,
-    options.LogoutPath = "/account/logout";
+        ValidateLifetime = true,
-    options.SlidingExpiration = true;
+        ValidateIssuerSigningKey = true,
+        ValidIssuer = "your-app",
+        ValidAudience = "your-app",
+        IssuerSigningKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes("secret-key")),
+        ClockSkew = TimeSpan.FromMinutes(1)
+    };
+    options.Events = new JwtBearerEvents {
+        OnMessageReceived = context => {
+            context.Token = context.Request.Cookies["access_token"];
+            return Task.CompletedTask;
+        },
+        OnTokenValidated = context => {
+            var jwtToken = context.SecurityToken as JwtSecurityToken;
+            if (jwtToken != null) {
+                var exp = jwtToken.ValidTo;
+                var now = DateTime.UtcNow;
+                if ((exp - now) < TimeSpan.FromMinutes(5)) {
+                    int accountID = Convert.ToInt32(context.Principal?.FindFirst(ClaimTypes.NameIdentifier)?.Value);
+                    bool isPersistent = bool.Parse(context.Principal?.FindFirst(ClaimTypes.IsPersistent)?.Value);
+                    var newJWT = BoredCareersJWT.GenereateJWTToken(accountID, isPersistent);
+                    BoredCareersJWT.SignIn(context.HttpContext.Response, isPersistent, newJWT);
+                }
+            }
+            return Task.CompletedTask;
+        }
+    };
 });
 
 builder.Services.AddCors(o => o.AddDefaultPolicy(builder => {

src/Server/Server.csproj

@@ -11,6 +11,7 @@
     <PackageReference Include="BCrypt.Net-Next" Version="4.0.3" />
     <PackageReference Include="Microsoft.AspNetCore.Components.Web" Version="9.0.3" />
     <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.Server" Version="9.0.3" />
+    <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="9.0.3" />
 	  <PackageReference Include="Microsoft.AspNetCore.Mvc.WebApiCompatShim" Version="2.3.0" />
     <PackageReference Include="MySql.Data" Version="9.2.0" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />

src/Server/Services/jwt.cs

@@ -0,0 +1,54 @@
+
+
+using System.IdentityModel.Tokens.Jwt;
+using System.Security.Claims;
+using System.Text;
+using Microsoft.IdentityModel.Tokens;
+
+namespace BoredCareers.Services {
+    public class BoredCareersJWT {
+        public static string GenereateJWTToken(int accountID, bool StayLoggedIn) {
+            var tokenHandler = new JwtSecurityTokenHandler();
+            var key = Encoding.UTF8.GetBytes("your-super-secret-key");
+
+            var tokenDiscriptor = new SecurityTokenDescriptor {
+                Subject = new ClaimsIdentity(new[] {
+                    new Claim(ClaimTypes.NameIdentifier, accountID.ToString()),
+                    new Claim(ClaimTypes.IsPersistent, StayLoggedIn.ToString())
+                }),
+                Expires = DateTime.UtcNow.AddMinutes(15),
+                IssuedAt = DateTime.UtcNow,
+                SigningCredentials = new SigningCredentials(new SymmetricSecurityKey(key), SecurityAlgorithms.RsaSha512),
+                Audience = "your-app",
+                Issuer = "your-app"
+            };
+
+            var token = tokenHandler.CreateToken(tokenDiscriptor);
+            return tokenHandler.WriteToken(token);
+        }
+
+        public static void SignIn(HttpResponse Response, bool StayLoggedIn, string jwt) {
+            if (StayLoggedIn) {
+                // Stay logged in cookie
+                Response.Cookies.Append("access_token", jwt, new CookieOptions {
+                    Secure = true,
+                    HttpOnly = true,
+                    SameSite = SameSiteMode.Strict,
+                    Expires = DateTime.UtcNow.AddMinutes(15)
+                });
+            }
+            else {
+                // Session cookie
+                Response.Cookies.Append("access_token", jwt, new CookieOptions {
+                    Secure = true,
+                    HttpOnly = true,
+                    SameSite = SameSiteMode.Strict,
+                });
+            }
+        }
+
+        public static void SignOut(HttpResponse Response) {
+            Response.Cookies.Delete("access_token");
+        }
+    }
+}