test(api): update AuthController tests for encrypted login

NEW/tests/JdeScoping.Api.Tests/Controllers/AuthControllerTests.cs

@@ -1,8 +1,12 @@
+// NEW/tests/JdeScoping.Api.Tests/Controllers/AuthControllerTests.cs
 using System.Security.Claims;
+using System.Security.Cryptography;
+using System.Text;
+using System.Text.Json;
 using JdeScoping.Api.Controllers;
-using JdeScoping.Api.Models;
 using JdeScoping.Core.Interfaces;
 using JdeScoping.Core.Models;
+using JdeScoping.Core.Models.Auth;
 using Microsoft.AspNetCore.Authentication;
 using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
@@ -15,21 +19,58 @@ namespace JdeScoping.Api.Tests.Controllers;
 public class AuthControllerTests
 {
     private readonly IAuthService _authService;
+    private readonly IRsaKeyService _rsaKeyService;
     private readonly ILogger<AuthController> _logger;
     private readonly AuthController _controller;
+    private readonly RSA _testRsa;
 
     public AuthControllerTests()
     {
         _authService = Substitute.For<IAuthService>();
+        _rsaKeyService = Substitute.For<IRsaKeyService>();
         _logger = Substitute.For<ILogger<AuthController>>();
-        _controller = new AuthController(_authService, _logger);
+
+        // Setup test RSA key pair
+        _testRsa = RSA.Create(2048);
+        var publicKeyPem = _testRsa.ExportSubjectPublicKeyInfoPem();
+        _rsaKeyService.GetPublicKeyPem().Returns(publicKeyPem);
+        _rsaKeyService.Decrypt(Arg.Any<byte[]>())
+            .Returns(callInfo =>
+            {
+                var ciphertext = callInfo.Arg<byte[]>();
+                return _testRsa.Decrypt(ciphertext, RSAEncryptionPadding.OaepSHA256);
+            });
+
+        _controller = new AuthController(_authService, _rsaKeyService, _logger);
+    }
+
+    private EncryptedLoginRequest EncryptLoginModel(LoginModel model)
+    {
+        var json = JsonSerializer.Serialize(model);
+        var plaintext = Encoding.UTF8.GetBytes(json);
+        var ciphertext = _testRsa.Encrypt(plaintext, RSAEncryptionPadding.OaepSHA256);
+        return new EncryptedLoginRequest(Convert.ToBase64String(ciphertext));
     }
 
     [Fact]
-    public async Task Login_WithValidCredentials_ReturnsUserInfo()
+    public void GetPublicKey_ReturnsPublicKeyPem()
+    {
+        // Act
+        var result = _controller.GetPublicKey();
+
+        // Assert
+        result.Result.ShouldBeOfType<OkObjectResult>();
+        var okResult = (OkObjectResult)result.Result!;
+        var response = okResult.Value.ShouldBeOfType<PublicKeyResponse>();
+        response.PublicKeyPem.ShouldStartWith("-----BEGIN PUBLIC KEY-----");
+    }
+
+    [Fact]
+    public async Task Login_WithValidCredentials_ReturnsLoginResultWithUser()
     {
         // Arrange
-        var request = new LoginRequest { Username = "testuser", Password = "password123" };
+        var loginModel = new LoginModel { Username = "testuser", Password = "password123" };
+        var request = EncryptLoginModel(loginModel);
         var user = new UserInfo
         {
             Dn = "CN=testuser,DC=example,DC=com",
@@ -42,7 +83,6 @@ public class AuthControllerTests
         _authService.AuthenticateAsync("testuser", "password123", Arg.Any<CancellationToken>())
             .Returns(new AuthResult(true, user, null));
 
-        // Setup HttpContext with mock authentication
         var httpContext = CreateMockHttpContext();
         _controller.ControllerContext = new ControllerContext { HttpContext = httpContext };
 
@@ -52,20 +92,21 @@ public class AuthControllerTests
         // Assert
         result.Result.ShouldBeOfType<OkObjectResult>();
         var okResult = (OkObjectResult)result.Result!;
-        var returnedUser = okResult.Value.ShouldBeOfType<UserInfo>();
-        returnedUser.Username.ShouldBe("testuser");
-        returnedUser.FirstName.ShouldBe("Test");
+        var loginResult = okResult.Value.ShouldBeOfType<LoginResultModel>();
+        loginResult.Success.ShouldBeTrue();
+        loginResult.User.ShouldNotBeNull();
+        loginResult.User.Username.ShouldBe("testuser");
     }
 
     [Fact]
-    public async Task Login_WithInvalidCredentials_Returns401()
+    public async Task Login_WithInvalidCredentials_Returns401WithError()
     {
         // Arrange
-        var request = new LoginRequest { Username = "testuser", Password = "wrongpassword" };
+        var loginModel = new LoginModel { Username = "testuser", Password = "wrongpassword" };
+        var request = EncryptLoginModel(loginModel);
         _authService.AuthenticateAsync("testuser", "wrongpassword", Arg.Any<CancellationToken>())
             .Returns(new AuthResult(false, null, "Incorrect username or password"));
 
-        // Setup HttpContext
         var httpContext = CreateMockHttpContext();
         _controller.ControllerContext = new ControllerContext { HttpContext = httpContext };
 
@@ -74,6 +115,30 @@ public class AuthControllerTests
 
         // Assert
         result.Result.ShouldBeOfType<UnauthorizedObjectResult>();
+        var unauthorizedResult = (UnauthorizedObjectResult)result.Result!;
+        var loginResult = unauthorizedResult.Value.ShouldBeOfType<LoginResultModel>();
+        loginResult.Success.ShouldBeFalse();
+        loginResult.ErrorMessage.ShouldBe("Incorrect username or password");
+    }
+
+    [Fact]
+    public async Task Login_WithInvalidEncryptedData_ReturnsBadRequest()
+    {
+        // Arrange
+        var request = new EncryptedLoginRequest("not-valid-base64!!!");
+
+        var httpContext = CreateMockHttpContext();
+        _controller.ControllerContext = new ControllerContext { HttpContext = httpContext };
+
+        // Act
+        var result = await _controller.Login(request, CancellationToken.None);
+
+        // Assert
+        result.Result.ShouldBeOfType<BadRequestObjectResult>();
+        var badRequestResult = (BadRequestObjectResult)result.Result!;
+        var loginResult = badRequestResult.Value.ShouldBeOfType<LoginResultModel>();
+        loginResult.Success.ShouldBeFalse();
+        loginResult.ErrorMessage.ShouldBe("Invalid encrypted payload");
     }
 
     [Fact]
@@ -119,42 +184,6 @@ public class AuthControllerTests
         user.Username.ShouldBe("testuser");
     }
 
-    [Fact]
-    public void GetCurrentUser_ExtractsAllClaimsCorrectly()
-    {
-        // Arrange
-        var claims = new List<Claim>
-        {
-            new(ClaimTypes.Name, "jsmith"),
-            new(ClaimTypes.GivenName, "John"),
-            new(ClaimTypes.Surname, "Smith"),
-            new(ClaimTypes.Email, "jsmith@example.com"),
-            new("title", "Senior Engineer"),
-            new("dn", "CN=jsmith,OU=Users,DC=example,DC=com")
-        };
-        var identity = new ClaimsIdentity(claims, "Test");
-        var principal = new ClaimsPrincipal(identity);
-
-        var httpContext = new DefaultHttpContext { User = principal };
-        _controller.ControllerContext = new ControllerContext { HttpContext = httpContext };
-
-        // Act
-        var result = _controller.GetCurrentUser();
-
-        // Assert
-        result.Result.ShouldBeOfType<OkObjectResult>();
-        var okResult = (OkObjectResult)result.Result!;
-        var user = okResult.Value.ShouldBeOfType<UserInfo>();
-
-        user.Username.ShouldBe("jsmith");
-        user.FirstName.ShouldBe("John");
-        user.LastName.ShouldBe("Smith");
-        user.EmailAddress.ShouldBe("jsmith@example.com");
-        user.Title.ShouldBe("Senior Engineer");
-        user.Dn.ShouldBe("CN=jsmith,OU=Users,DC=example,DC=com");
-        user.DisplayName.ShouldBe("John Smith");
-    }
-
     private static HttpContext CreateMockHttpContext()
     {
         var authServiceMock = Substitute.For<IAuthenticationService>();