Adds User Component

Core/Entities/Users/PasswordHasher.cs

@@ -1,47 +0,0 @@
-namespace PlanTempus.Core.Entities.Users
-{
-    public static class PasswordHasher
-    {
-        private const int _saltSize = 16; // 128 bit
-        private const int _keySize = 32;  // 256 bit
-        private const int _iterations = 100000;
-
-        public static string HashPassword(string password)
-        {
-            using (var algorithm = new System.Security.Cryptography.Rfc2898DeriveBytes(
-                password,
-                _saltSize,
-                _iterations,
-                System.Security.Cryptography.HashAlgorithmName.SHA256))
-            {
-                var key = Convert.ToBase64String(algorithm.GetBytes(_keySize));
-                var salt = Convert.ToBase64String(algorithm.Salt);
-
-                return $"{_iterations}.{salt}.{key}";
-            }
-        }
-
-        public static bool VerifyPassword(string hash, string password)
-        {
-            var parts = hash.Split('.', 3);
-            if (parts.Length != 3)
-            {
-                return false;
-            }
-
-            var iterations = Convert.ToInt32(parts[0]);
-            var salt = Convert.FromBase64String(parts[1]);
-            var key = Convert.FromBase64String(parts[2]);
-
-            using (var algorithm = new System.Security.Cryptography.Rfc2898DeriveBytes(
-                password,
-                salt,
-                iterations,
-                System.Security.Cryptography.HashAlgorithmName.SHA256))
-            {
-                var keyToCheck = algorithm.GetBytes(_keySize);
-                return keyToCheck.SequenceEqual(key);
-            }
-        }
-    }
-}

Core/ISecureTokenizer.cs

@@ -0,0 +1,8 @@
+namespace PlanTempus.Core
+{
+	public interface ISecureTokenizer
+	{
+		string TokenizeText(string word);
+		bool VerifyToken(string hash, string word);
+	}
+}

Core/PlanTempus.Core.csproj

@@ -10,10 +10,12 @@
 		<PackageReference Include="Akka" Version="1.5.32" />
 		<PackageReference Include="Autofac" Version="8.1.1" />
 		<PackageReference Include="Autofac.Extensions.DependencyInjection" Version="10.0.0" />
+		<PackageReference Include="FluentValidation" Version="11.11.0" />
 		<PackageReference Include="Insight.Database" Version="8.0.1" />
 		<PackageReference Include="Insight.Database.Providers.PostgreSQL" Version="8.0.1" />
 		<PackageReference Include="Microsoft.ApplicationInsights" Version="2.22.0" />
 		<PackageReference Include="Microsoft.ApplicationInsights.WindowsServer.TelemetryChannel" Version="2.22.0" />
+		<PackageReference Include="Microsoft.AspNetCore.Mvc" Version="2.3.0" />
 		<PackageReference Include="Microsoft.Extensions.Hosting.Abstractions" Version="9.0.1" />
 		<PackageReference Include="npgsql" Version="9.0.2" />
 		<PackageReference Include="Seq.Api" Version="2024.3.0" />

Core/SecureTokenizer.cs

@@ -0,0 +1,48 @@
+namespace PlanTempus.Core
+{
+
+	public class SecureTokenizer : ISecureTokenizer
+	{
+		private const int _saltSize = 16; // 128 bit
+		private const int _keySize = 32;  // 256 bit
+		private const int _iterations = 100000;
+
+		public string TokenizeText(string word)
+		{
+			using (var algorithm = new System.Security.Cryptography.Rfc2898DeriveBytes(
+				word,
+				_saltSize,
+				_iterations,
+				System.Security.Cryptography.HashAlgorithmName.SHA256))
+			{
+				var key = Convert.ToBase64String(algorithm.GetBytes(_keySize));
+				var salt = Convert.ToBase64String(algorithm.Salt);
+
+				return $"{_iterations}.{salt}.{key}";
+			}
+		}
+
+		public bool VerifyToken(string hash, string word)
+		{
+			var parts = hash.Split('.', 3);
+			if (parts.Length != 3)
+			{
+				return false;
+			}
+
+			var iterations = Convert.ToInt32(parts[0]);
+			var salt = Convert.FromBase64String(parts[1]);
+			var key = Convert.FromBase64String(parts[2]);
+
+			using (var algorithm = new System.Security.Cryptography.Rfc2898DeriveBytes(
+				word,
+				salt,
+				iterations,
+				System.Security.Cryptography.HashAlgorithmName.SHA256))
+			{
+				var keyToCheck = algorithm.GetBytes(_keySize);
+				return keyToCheck.SequenceEqual(key);
+			}
+		}
+	}
+}

Database/Core/UserService.cs

@@ -1,4 +1,5 @@
 using Insight.Database;
+using PlanTempus.Core;
 using PlanTempus.Core.Entities.Users;
 using System.Data;
 
@@ -21,7 +22,7 @@ namespace PlanTempus.Database.Core
             var user = new User
             {
                 Email = command.Email,
-                PasswordHash = PasswordHasher.HashPassword(command.Password),
+                PasswordHash = new SecureTokenizer().TokenizeText(command.Password),
                 SecurityStamp = Guid.NewGuid().ToString(),
                 EmailConfirmed = false,
                 CreatedDate = DateTime.UtcNow

PlanTempus.Components/Class1.cs

@@ -1,7 +0,0 @@
-namespace PlanTempus.Components
-{
-    public class Class1
-    {
-
-    }
-}

PlanTempus.Components/PlanTempus.Components.csproj

@@ -10,11 +10,15 @@
 	</ItemGroup>
 
 	<ItemGroup>
-	  <Folder Include="Users\Create\" />
 	  <Folder Include="Users\Delete\" />
 	  <Folder Include="Users\Update\" />
 	  <Folder Include="Organizations\Delete\" />
 	  <Folder Include="Organizations\Update\" />
 	</ItemGroup>
 
+	<ItemGroup>
+	  <PackageReference Include="FluentValidation" Version="11.11.0" />
+	  <PackageReference Include="Microsoft.AspNetCore.Mvc.Core" Version="2.3.0" />
+	</ItemGroup>
+
 </Project>

PlanTempus.Components/Users/Create/CreateUserCommand.cs

@@ -0,0 +1,9 @@
+namespace PlanTempus.Components.Users.Create
+{
+    public class CreateUserCommand
+	{
+		public string Email { get; set; }
+		public string Password { get; set; }
+		public bool IsActive { get; set; } = true;
+	}
+}

PlanTempus.Components/Users/Create/CreateUserController.cs

@@ -0,0 +1,33 @@
+using Microsoft.AspNetCore.Mvc;
+
+namespace PlanTempus.Components.Users.Create
+{
+	[ApiController]
+	[Route("api/users")]
+	public class CreateUserController(CreateUserHandler handler, CreateUserValidator validator) : ControllerBase
+	{
+		[HttpPost]
+		public async Task<ActionResult<CreateUserResponse>> Create([FromBody] CreateUserCommand command)
+		{
+			try
+			{
+				var validationResult = await validator.ValidateAsync(command);
+				if (!validationResult.IsValid)
+				{
+					return BadRequest(validationResult.Errors);
+				}
+
+				var result = await handler.Handle(command);
+				return CreatedAtAction(
+					nameof(CreateUserCommand),
+					"GetUser",
+					new { id = result.Id },
+					result);
+			}
+			catch (Exception ex)
+			{
+				return BadRequest(ex.Message);
+			}
+		}
+	}
+}

PlanTempus.Components/Users/Create/CreateUserHandler.cs

@@ -0,0 +1,64 @@
+using Insight.Database;
+using PlanTempus.Core;
+using PlanTempus.Core.Sql;
+
+namespace PlanTempus.Components.Users.Create
+{
+    public class CreateUserHandler(IDatabaseOperations databaseOperations, ISecureTokenizer secureTokenizer)
+	{
+		private readonly ISecureTokenizer _secureTokenizer;
+
+		public async Task<CreateUserResponse> Handle(CreateUserCommand command)
+		{
+			using var db = databaseOperations.CreateScope(nameof(CreateUserHandler));
+			try
+			{
+				var sql = @"
+                    INSERT INTO system.users(email, password_hash, security_stamp, email_confirmed, 
+                     access_failed_count, lockout_enabled, lockout_end, 
+                     is_active, created_at, last_login_at)
+                    VALUES(@Email, @PasswordHash, @SecurityStamp, @EmailConfirmed,
+                     @AccessFailedCount, @LockoutEnabled, @LockoutEnd,
+                     @IsActive, @CreatedAt, @LastLoginAt)
+                    RETURNING id, created_at";
+
+				var result = await db.Connection.QuerySqlAsync<UserCreationResult>(sql, new
+				{
+					Email = command.Email,
+					PasswordHash = secureTokenizer.TokenizeText(command.Password),
+					SecurityStamp = Guid.NewGuid().ToString("N"),
+					EmailConfirmed = false,
+					AccessFailedCount = 0,
+					LockoutEnabled = true,
+					LockoutEnd = (DateTime?)null,
+					IsActive = command.IsActive,
+					CreatedAt = DateTime.UtcNow,
+					LastLoginAt = (DateTime?)null
+				});
+
+				var createdUser = result.First();
+
+				db.Success();
+
+				return new CreateUserResponse
+				{
+					Id = createdUser.Id,
+					Email = command.Email,
+					IsActive = command.IsActive,
+					CreatedAt = createdUser.CreatedAt
+				};
+			}
+			catch (Exception ex)
+			{
+				db.Error(ex);
+				throw;
+			}
+		}
+
+		private class UserCreationResult
+		{
+			public long Id { get; set; }
+			public DateTime CreatedAt { get; set; }
+		}
+	}
+}

PlanTempus.Components/Users/Create/CreateUserResponse.cs

@@ -0,0 +1,11 @@
+
+namespace PlanTempus.Components.Users.Create
+{
+    public class CreateUserResponse
+	{
+		public long Id { get; set; }
+		public string Email { get; set; }
+		public bool IsActive { get; set; }
+		public DateTime CreatedAt { get; set; }
+	}
+}

PlanTempus.Components/Users/Create/CreateUserValidator.cs

@@ -0,0 +1,23 @@
+using FluentValidation;
+
+namespace PlanTempus.Components.Users.Create
+{
+    public class CreateUserValidator : AbstractValidator<CreateUserCommand>
+	{
+		public CreateUserValidator()
+		{
+			RuleFor(x => x.Email)
+				.NotEmpty().WithMessage("Email skal angives.")
+				.EmailAddress().WithMessage("Ugyldig emailadresse.")
+				.MaximumLength(256).WithMessage("Email må højst være 256 tegn.");
+
+			RuleFor(x => x.Password)
+				.NotEmpty().WithMessage("Password skal angives.")
+				.MinimumLength(8).WithMessage("Password skal være mindst 8 tegn.")
+				.Matches("[A-Z]").WithMessage("Password skal indeholde mindst ét stort bogstav.")
+				.Matches("[a-z]").WithMessage("Password skal indeholde mindst ét lille bogstav.")
+				.Matches("[0-9]").WithMessage("Password skal indeholde mindst ét tal.")
+				.Matches("[^a-zA-Z0-9]").WithMessage("Password skal indeholde mindst ét specialtegn.");
+		}
+	}
+}

PlanTempus.Components/Users/Create/UserCreationResult.cs

@@ -0,0 +1,8 @@
+namespace PlanTempus.Components.Users.Create
+{
+	public class UserCreationResult
+	{
+		public long Id { get; set; }
+		public DateTime CreatedAt { get; set; }
+	}
+}

Tests/PasswordHasherTest.cs

@@ -1,6 +1,6 @@
 using System.Diagnostics;
 using Sodium;
-using PlanTempus.Core.Entities.Users;
+using PlanTempus.Core;
 
 namespace PlanTempus.Tests
 {
@@ -35,7 +35,7 @@ namespace PlanTempus.Tests
             string password = "TestPassword123";
 
             // Act
-            string hashedPassword = PasswordHasher.HashPassword(password);
+            string hashedPassword = new SecureTokenizer().TokenizeText(password);
             string[] parts = hashedPassword.Split('.');
 
             // Assert
@@ -48,10 +48,10 @@ namespace PlanTempus.Tests
         {
             // Arrange
             string password = "TestPassword123";
-            string hashedPassword = PasswordHasher.HashPassword(password);
+            string hashedPassword = new SecureTokenizer().TokenizeText(password);
 
             // Act
-            bool result = PasswordHasher.VerifyPassword(hashedPassword, password);
+            bool result = new SecureTokenizer().VerifyToken(hashedPassword, password);
 
             // Assert
             Assert.IsTrue(result);
@@ -63,10 +63,10 @@ namespace PlanTempus.Tests
             // Arrange
             string correctPassword = "TestPassword123";
             string wrongPassword = "WrongPassword123";
-            string hashedPassword = PasswordHasher.HashPassword(correctPassword);
+            string hashedPassword = new SecureTokenizer().TokenizeText(correctPassword);
 
             // Act
-            bool result = PasswordHasher.VerifyPassword(hashedPassword, wrongPassword);
+            bool result = new SecureTokenizer().VerifyToken(hashedPassword, wrongPassword);
 
             // Assert
             Assert.IsFalse(result);
@@ -80,7 +80,7 @@ namespace PlanTempus.Tests
             string invalidHash = "InvalidHash";
 
             // Act
-            bool result = PasswordHasher.VerifyPassword(invalidHash, password);
+            bool result = new SecureTokenizer().VerifyToken(invalidHash, password);
 
             // Assert
             Assert.IsFalse(result);