migrate to identity for authentication

api/Migrations/20260321203739_UseIdentityPlatform.Designer.cs

@@ -0,0 +1,84 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace agologum_api.Migrations
+{
+    [DbContext(typeof(AppDbContext))]
+    [Migration("20260321203739_UseIdentityPlatform")]
+    partial class UseIdentityPlatform
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "10.0.5")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("agologumApi.Models.User", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<int>("AccessFailedCount")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("ConcurrencyStamp")
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("Email")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("EmailConfirmed")
+                        .HasColumnType("boolean");
+
+                    b.Property<bool>("LockoutEnabled")
+                        .HasColumnType("boolean");
+
+                    b.Property<DateTimeOffset?>("LockoutEnd")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("NormalizedEmail")
+                        .HasColumnType("text");
+
+                    b.Property<string>("NormalizedUserName")
+                        .HasColumnType("text");
+
+                    b.Property<string>("PasswordHash")
+                        .HasColumnType("text");
+
+                    b.Property<string>("PhoneNumber")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("PhoneNumberConfirmed")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("SecurityStamp")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("TwoFactorEnabled")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("UserName")
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Users");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

api/Migrations/20260321203739_UseIdentityPlatform.cs

@@ -0,0 +1,221 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace agologum_api.Migrations
+{
+    /// <inheritdoc />
+    public partial class UseIdentityPlatform : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "Name",
+                table: "Users");
+
+            migrationBuilder.DropColumn(
+                name: "Role",
+                table: "Users");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "PasswordHash",
+                table: "Users",
+                type: "text",
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "text");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Email",
+                table: "Users",
+                type: "text",
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "text");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Id",
+                table: "Users",
+                type: "text",
+                nullable: false,
+                oldClrType: typeof(int),
+                oldType: "integer")
+                .OldAnnotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn);
+
+            migrationBuilder.AddColumn<int>(
+                name: "AccessFailedCount",
+                table: "Users",
+                type: "integer",
+                nullable: false,
+                defaultValue: 0);
+
+            migrationBuilder.AddColumn<string>(
+                name: "ConcurrencyStamp",
+                table: "Users",
+                type: "text",
+                nullable: true);
+
+            migrationBuilder.AddColumn<bool>(
+                name: "EmailConfirmed",
+                table: "Users",
+                type: "boolean",
+                nullable: false,
+                defaultValue: false);
+
+            migrationBuilder.AddColumn<bool>(
+                name: "LockoutEnabled",
+                table: "Users",
+                type: "boolean",
+                nullable: false,
+                defaultValue: false);
+
+            migrationBuilder.AddColumn<DateTimeOffset>(
+                name: "LockoutEnd",
+                table: "Users",
+                type: "timestamp with time zone",
+                nullable: true);
+
+            migrationBuilder.AddColumn<string>(
+                name: "NormalizedEmail",
+                table: "Users",
+                type: "text",
+                nullable: true);
+
+            migrationBuilder.AddColumn<string>(
+                name: "NormalizedUserName",
+                table: "Users",
+                type: "text",
+                nullable: true);
+
+            migrationBuilder.AddColumn<string>(
+                name: "PhoneNumber",
+                table: "Users",
+                type: "text",
+                nullable: true);
+
+            migrationBuilder.AddColumn<bool>(
+                name: "PhoneNumberConfirmed",
+                table: "Users",
+                type: "boolean",
+                nullable: false,
+                defaultValue: false);
+
+            migrationBuilder.AddColumn<string>(
+                name: "SecurityStamp",
+                table: "Users",
+                type: "text",
+                nullable: true);
+
+            migrationBuilder.AddColumn<bool>(
+                name: "TwoFactorEnabled",
+                table: "Users",
+                type: "boolean",
+                nullable: false,
+                defaultValue: false);
+
+            migrationBuilder.AddColumn<string>(
+                name: "UserName",
+                table: "Users",
+                type: "text",
+                nullable: true);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "AccessFailedCount",
+                table: "Users");
+
+            migrationBuilder.DropColumn(
+                name: "ConcurrencyStamp",
+                table: "Users");
+
+            migrationBuilder.DropColumn(
+                name: "EmailConfirmed",
+                table: "Users");
+
+            migrationBuilder.DropColumn(
+                name: "LockoutEnabled",
+                table: "Users");
+
+            migrationBuilder.DropColumn(
+                name: "LockoutEnd",
+                table: "Users");
+
+            migrationBuilder.DropColumn(
+                name: "NormalizedEmail",
+                table: "Users");
+
+            migrationBuilder.DropColumn(
+                name: "NormalizedUserName",
+                table: "Users");
+
+            migrationBuilder.DropColumn(
+                name: "PhoneNumber",
+                table: "Users");
+
+            migrationBuilder.DropColumn(
+                name: "PhoneNumberConfirmed",
+                table: "Users");
+
+            migrationBuilder.DropColumn(
+                name: "SecurityStamp",
+                table: "Users");
+
+            migrationBuilder.DropColumn(
+                name: "TwoFactorEnabled",
+                table: "Users");
+
+            migrationBuilder.DropColumn(
+                name: "UserName",
+                table: "Users");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "PasswordHash",
+                table: "Users",
+                type: "text",
+                nullable: false,
+                defaultValue: "",
+                oldClrType: typeof(string),
+                oldType: "text",
+                oldNullable: true);
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Email",
+                table: "Users",
+                type: "text",
+                nullable: false,
+                defaultValue: "",
+                oldClrType: typeof(string),
+                oldType: "text",
+                oldNullable: true);
+
+            migrationBuilder.AlterColumn<int>(
+                name: "Id",
+                table: "Users",
+                type: "integer",
+                nullable: false,
+                oldClrType: typeof(string),
+                oldType: "text")
+                .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn);
+
+            migrationBuilder.AddColumn<string>(
+                name: "Name",
+                table: "Users",
+                type: "text",
+                nullable: false,
+                defaultValue: "");
+
+            migrationBuilder.AddColumn<string>(
+                name: "Role",
+                table: "Users",
+                type: "text",
+                nullable: false,
+                defaultValue: "");
+        }
+    }
+}

api/Migrations/AppDbContextModelSnapshot.cs

@@ -23,29 +23,52 @@ namespace agologum_api.Migrations
 
             modelBuilder.Entity("agologumApi.Models.User", b =>
                 {
-                    b.Property<int>("Id")
+                    b.Property<string>("Id")
-                        .ValueGeneratedOnAdd()
+                        .HasColumnType("text");
+
+                    b.Property<int>("AccessFailedCount")
                         .HasColumnType("integer");
 
-                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+                    b.Property<string>("ConcurrencyStamp")
+                        .HasColumnType("text");
 
                     b.Property<DateTime>("CreatedAt")
                         .HasColumnType("timestamp with time zone");
 
                     b.Property<string>("Email")
-                        .IsRequired()
                         .HasColumnType("text");
 
-                    b.Property<string>("Name")
+                    b.Property<bool>("EmailConfirmed")
-                        .IsRequired()
+                        .HasColumnType("boolean");
+
+                    b.Property<bool>("LockoutEnabled")
+                        .HasColumnType("boolean");
+
+                    b.Property<DateTimeOffset?>("LockoutEnd")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("NormalizedEmail")
+                        .HasColumnType("text");
+
+                    b.Property<string>("NormalizedUserName")
                         .HasColumnType("text");
 
                     b.Property<string>("PasswordHash")
-                        .IsRequired()
                         .HasColumnType("text");
 
-                    b.Property<string>("Role")
+                    b.Property<string>("PhoneNumber")
-                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<bool>("PhoneNumberConfirmed")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("SecurityStamp")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("TwoFactorEnabled")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("UserName")
                         .HasColumnType("text");
 
                     b.HasKey("Id");

api/Program.cs

@@ -3,8 +3,11 @@ using Microsoft.AspNetCore.HttpOverrides;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.AspNetCore.Authentication.JwtBearer;
 using Microsoft.IdentityModel.Tokens;
+using Microsoft.AspNetCore.Identity;
+using Microsoft.AspNetCore.Identity.EntityFrameworkCore;
 using System.Text;
 
+using agologumApi.Models;
 using agologumApi.Services;
 
 var builder = WebApplication.CreateBuilder(args);
@@ -22,15 +25,20 @@ builder.Services.AddScoped<UserService>();
 builder.Services.AddScoped<JwtService>();
 
 // configuration for jwt authentication
+builder.Services.AddIdentity<User, IdentityRole>()
+    .AddEntityFrameworkStores<AppDbContext>()
+    .AddDefaultTokenProviders();
 builder.Services.AddAuthentication(options => {
     options.DefaultAuthenticateScheme = JwtBearerDefaults.AuthenticationScheme;
     options.DefaultChallengeScheme = JwtBearerDefaults.AuthenticationScheme;
 }).AddJwtBearer(options => {
     options.TokenValidationParameters = new TokenValidationParameters {
-        ValidateIssuer = false,
+        ValidateIssuer = true,
-        ValidateAudience = false,
+        ValidateAudience = true,
         ValidateLifetime = true,
         ValidateIssuerSigningKey = true,
+        ValidIssuer = "agologum",
+        ValidAudience = "agologum",
         IssuerSigningKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(key))
     };
 });

api/agologum-api.csproj

@@ -10,6 +10,7 @@
   <ItemGroup>
     <PackageReference Include="BCrypt.Net-Next" Version="4.1.0" />
     <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="10.0.5" />
+    <PackageReference Include="Microsoft.AspNetCore.Identity.EntityFrameworkCore" Version="10.0.5" />
     <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="10.0.3" />
     <PackageReference Include="Microsoft.EntityFrameworkCore" Version="10.0.5" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="10.0.5">

api/src/Controllers/AuthController.cs

@@ -1,6 +1,7 @@
 
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Identity;
 
 using agologumApi.Models;
 using agologumApi.Services;
@@ -9,11 +10,17 @@ using agologumApi.Services;
 [Route("api/[controller]")]
 public class AuthController : ControllerBase {
 
+    // identity things
+    private readonly UserManager<User> userManager_;
+    private readonly SignInManager<User> signInManager_;
+
     private readonly UserService users_;
     private readonly JwtService jwt_;
 
-    public AuthController(UserService users, JwtService jwt)
+    public AuthController(UserManager<User> userManager, SignInManager<User> signInManager, UserService users, JwtService jwt) {
-    {
+
+        userManager_ = userManager;
+        signInManager_ = signInManager;
         users_ = users;
         jwt_ = jwt;
     }
@@ -21,10 +28,9 @@ public class AuthController : ControllerBase {
     [HttpPost("register")]
     public async Task<ActionResult> Register(RegisterDto dto) {
         var user = new User {
-            Name = dto.Username,
+            UserName = dto.UserName,
             Email = dto.Email,
             PasswordHash = BCrypt.Net.BCrypt.HashPassword(dto.Password), // TODO: secondary hashing stage in client
-            Role = "user",
             CreatedAt = DateTime.UtcNow // yeah why not utc
         };
 
@@ -39,11 +45,13 @@ public class AuthController : ControllerBase {
     [HttpPost("login")]
     public async Task<ActionResult> Login(LoginDto dto)
     {
-        var user = await users_.Get(dto.Username);
+        var user = await users_.Get(dto.UserName);
 
-        if (user == null || !BCrypt.Net.BCrypt.Verify(dto.Password, user.PasswordHash)) {
+        if (user == null) return Unauthorized();
-            return Unauthorized();
+
-        }
+        var result = await signInManager_.CheckPasswordSignInAsync(user, dto.Password, false);
+
+        if(!result.Succeeded) return Unauthorized();
 
         var token = jwt_.GenerateJwt(user);
 

api/src/Models/Dto.cs

@@ -1,7 +1,7 @@
 
 public class RegisterDto {
 
-    public string Name { get; set; } = "";
+    public string UserName { get; set; } = "";
     public string Email { get; set; } = "";
     public string Password { get; set; } = "";
 
@@ -9,7 +9,7 @@ public class RegisterDto {
 
 public class LoginDto {
 
-    public string Name { get; set; } = "";
+    public string UserName { get; set; } = "";
     public string Password { get; set; } = "";
 
 }

api/src/Models/User.cs

@@ -1,13 +1,32 @@
 
+using Microsoft.AspNetCore.Identity;
+
 namespace agologumApi.Models;
 
-public class User {
+public class User : IdentityUser {
 
-    public int Id { get; set; }
-    public string Name { get; set; } = "";
-    public string Email { get; set; } = "";
-    public string PasswordHash { get; set; } = "";
-    public string Role { get; set; } = "";
     public DateTime CreatedAt { get; set; }
 
+    // properties inherited from IdentityUser:
+    /*
+    AccessFailedCount: Gets or sets the number of failed login attempts for the current user.
+    Claims: Navigation property for the claims this user possesses.
+    ConcurrencyStamp: A random value that must change whenever a user is persisted to the store
+    Email: Gets or sets the email address for this user.
+    EmailConfirmed: Gets or sets a flag indicating if a user has confirmed their email address.
+    Id: Gets or sets the primary key for this user.
+    LockoutEnabled: Gets or sets a flag indicating if the user could be locked out.
+    LockoutEnd: Gets or sets the date and time, in UTC, when any user lockout ends.
+    Logins: Navigation property for this users login accounts.
+    NormalizedEmail: Gets or sets the normalized email address for this user.
+    NormalizedUserName: Gets or sets the normalized user name for this user.
+    PasswordHash: Gets or sets a salted and hashed representation of the password for this user.
+    PhoneNumber: Gets or sets a telephone number for the user.
+    PhoneNumberConfirmed: Gets or sets a flag indicating if a user has confirmed their telephone address.
+    Roles: Navigation property for the roles this user belongs to.
+    SecurityStamp: A random value that must change whenever a users credentials change (password changed, login removed)
+    TwoFactorEnabled: Gets or sets a flag indicating if two factor authentication is enabled for this user.
+    UserName: Gets or sets the user name for this user.
+    https://learn.microsoft.com/en-us/dotnet/api/microsoft.aspnetcore.identity.entityframeworkcore.identityuser?view=aspnetcore-1.1
+    */
 };

api/src/Services/JwtService.cs

@@ -22,13 +22,17 @@ public class JwtService {
 
         var creds = new SigningCredentials(key, SecurityAlgorithms.HmacSha256);
 
+        if(user.UserName == null) return null;
+
         // not too sure
         var claims = new[] {
-            new Claim(ClaimTypes.Name, user.Name),
+            new Claim(ClaimTypes.Name, user.UserName),
             new Claim(ClaimTypes.NameIdentifier, user.Id.ToString())
         };
 
         var token = new JwtSecurityToken(
+            issuer: "agologum",
+            audience: "agologum",
             claims: claims,
             expires: DateTime.UtcNow.AddHours(2), // will add a refresher later
             signingCredentials: creds

api/src/Services/UserService.cs

@@ -22,7 +22,7 @@ public class UserService {
     }
 
     public async Task<User?> Get(string username) {
-        return await db_.Users.FirstOrDefaultAsync(u => u.Name == username);
+        return await db_.Users.FirstOrDefaultAsync(u => u.UserName == username);
     }
 
     public async Task<User> Create(User user) {