feat(infra): move authentication implementations and add ITokenGenerator

src/FiscalOS.Core/Identity/IPasswordHasher.cs

@@ -1,7 +0,0 @@
-namespace FiscalOS.Core.Identity;
-
-public interface IPasswordHasher
-{
-  string Hash(string password);
-  bool Verify(string providedPassword, string hashedPassword);
-}

src/FiscalOS.Infra/Authentication/JwtOptions.cs

@@ -1,8 +1,6 @@
-using Microsoft.Extensions.Options;
+namespace FiscalOS.Infra.Authentication;
 
-namespace FiscalOS.API.Login;
-
-internal sealed record JwtOptions
+public sealed record JwtOptions
 {
   public string Issuer { get; init; } = string.Empty;
   public string Audience { get; init; } = string.Empty;
@@ -10,7 +8,7 @@ internal sealed record JwtOptions
   public int ExpiryInMinutes { get; init; } = 5;
 }
 
-internal sealed record JwtOptionsSetup : IConfigureOptions<JwtOptions>
+public sealed record JwtOptionsSetup : IConfigureOptions<JwtOptions>
 {
   private const string SectionName = nameof(JwtOptions);
   private readonly IConfiguration _configuration;

src/FiscalOS.Infra/Authentication/PasswordHasher.cs

@@ -1,4 +1,4 @@
-namespace FiscalOS.Infra.Identity;
+namespace FiscalOS.Infra.Authentication;
 
 public sealed class PasswordHasher : IPasswordHasher
 {
@@ -17,6 +17,11 @@ public sealed class PasswordHasher : IPasswordHasher
     return new();
   }
 
+  public static PasswordHasher From(IServiceProvider serviceProvider)
+  {
+    return new();
+  }
+
   public string Hash(string password)
   {
     var salt = RandomNumberGenerator.GetBytes(SaltSize);

src/FiscalOS.Infra/Authentication/TokenGenerator.cs

@@ -1,30 +1,41 @@
-using System.IdentityModel.Tokens.Jwt;
-using System.Security.Claims;
-using System.Security.Cryptography;
-using System.Text;
+namespace FiscalOS.Infra.Authentication;
 
-using FiscalOS.Core.Identity;
-
-using Microsoft.Extensions.Options;
-using Microsoft.IdentityModel.Tokens;
-
-namespace FiscalOS.API.Login;
-
-internal sealed class TokenService(
-  TimeProvider timeProvider,
-  IOptions<JwtOptions> jwtOptions
-)
+public sealed class TokenGenerator : ITokenGenerator
 {
   private const int RefreshTokenExpiryInHours = 12;
-  private readonly JwtOptions _jwtOptions = jwtOptions.Value;
-  private readonly TimeProvider _timeProvider = timeProvider;
+  private readonly IOptions<JwtOptions> _jwtOptions;
+  private readonly TimeProvider _timeProvider;
+
+  private TokenGenerator(
+    TimeProvider timeProvider,
+    IOptions<JwtOptions> jwtOptions
+  )
+  {
+    _timeProvider = timeProvider;
+    _jwtOptions = jwtOptions;
+  }
+
+  public static TokenGenerator From(IServiceProvider serviceProvider)
+  {
+    var timeProvider = serviceProvider.GetRequiredService<TimeProvider>();
+    var jwtOptions = serviceProvider.GetRequiredService<IOptions<JwtOptions>>();
+    return new(timeProvider, jwtOptions);
+  }
+
+  public static TokenGenerator From(
+    TimeProvider timeProvider,
+    IOptions<JwtOptions> jwtOptions
+  )
+  {
+    return new(timeProvider, jwtOptions);
+  }
 
   public string GenerateAccessToken(User user)
   {
     var tokenHandler = new JwtSecurityTokenHandler();
-    var secretKeyBytes = Encoding.UTF8.GetBytes(_jwtOptions.Secret);
+    var secretKeyBytes = Encoding.UTF8.GetBytes(_jwtOptions.Value.Secret);
     var issuedAt = _timeProvider.GetUtcNow();
-    var expiresAt = issuedAt.AddMinutes(_jwtOptions.ExpiryInMinutes);
+    var expiresAt = issuedAt.AddMinutes(_jwtOptions.Value.ExpiryInMinutes);
     List<Claim> claims = [
       new(JwtRegisteredClaimNames.Jti, Guid.NewGuid().ToString()),
       new(JwtRegisteredClaimNames.Sub, user.Id.ToString()),
@@ -35,8 +46,8 @@ internal sealed class TokenService(
       Subject = new(claims),
       IssuedAt = issuedAt.UtcDateTime,
       Expires = expiresAt.UtcDateTime,
-      Issuer = _jwtOptions.Issuer,
-      Audience = _jwtOptions.Audience,
+      Issuer = _jwtOptions.Value.Issuer,
+      Audience = _jwtOptions.Value.Audience,
       SigningCredentials = new(
         new SymmetricSecurityKey(secretKeyBytes),
         SecurityAlgorithms.HmacSha256Signature
@@ -64,4 +75,4 @@ internal sealed class TokenService(
     var token = Convert.ToBase64String(randomBytes);
     return token;
   }
-}
+}

src/FiscalOS.Infra/FiscalOS.Infra.csproj

@@ -1,6 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <ItemGroup>
+    <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" />
     <PackageReference Include="Microsoft.Extensions.Hosting" />
   </ItemGroup>

src/FiscalOS.Infra/Usings.cs

@@ -1,8 +1,12 @@
+global using System.IdentityModel.Tokens.Jwt;
+global using System.Security.Claims;
 global using System.Security.Cryptography;
+global using System.Text;
 
+global using FiscalOS.Core.Authentication;
 global using FiscalOS.Core.Identity;
+global using FiscalOS.Infra.Authentication;
 global using FiscalOS.Infra.Data;
-global using FiscalOS.Infra.Identity;
 
 global using Microsoft.EntityFrameworkCore;
 global using Microsoft.EntityFrameworkCore.Diagnostics;
@@ -10,4 +14,5 @@ global using Microsoft.Extensions.Configuration;
 global using Microsoft.Extensions.DependencyInjection;
 global using Microsoft.Extensions.Hosting;
 global using Microsoft.Extensions.Logging;
-global using Microsoft.Extensions.Options;
+global using Microsoft.Extensions.Options;
+global using Microsoft.IdentityModel.Tokens;