[FA-55] User Service backend initial setup

This commit is contained in:
gamer147
2025-12-29 11:20:23 -05:00
parent 1d950b7721
commit c0290cc5af
22 changed files with 843 additions and 120 deletions

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@@ -0,0 +1,21 @@
using System.Text.Json.Serialization;
namespace FictionArchive.Service.UserService.Services.AuthenticationClient.Authentik;
public class AuthentikAddUserRequest
{
[JsonPropertyName("username")]
public required string Username { get; set; }
[JsonPropertyName("name")]
public required string DisplayName { get; set; }
[JsonPropertyName("email")]
public required string Email { get; set; }
[JsonPropertyName("is_active")]
public bool IsActive { get; set; } = true;
[JsonPropertyName("type")]
public string Type { get; } = "external";
}

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@@ -0,0 +1,78 @@
using System.Net.Http.Json;
namespace FictionArchive.Service.UserService.Services.AuthenticationClient.Authentik;
public class AuthentikClient : IAuthenticationServiceClient
{
private readonly HttpClient _httpClient;
private readonly ILogger<AuthentikClient> _logger;
public AuthentikClient(HttpClient httpClient, ILogger<AuthentikClient> logger)
{
_httpClient = httpClient;
_logger = logger;
}
public async Task<AuthentikUserResponse?> CreateUserAsync(string username, string email, string displayName)
{
var request = new AuthentikAddUserRequest
{
Username = username,
Email = email,
DisplayName = displayName,
IsActive = true
};
try
{
var response = await _httpClient.PostAsJsonAsync("/api/v3/core/users/", request);
if (!response.IsSuccessStatusCode)
{
var errorContent = await response.Content.ReadAsStringAsync();
_logger.LogError(
"Failed to create user in Authentik. Status: {StatusCode}, Error: {Error}",
response.StatusCode, errorContent);
return null;
}
var userResponse = await response.Content.ReadFromJsonAsync<AuthentikUserResponse>();
_logger.LogInformation("Successfully created user {Username} in Authentik with pk {Pk}",
username, userResponse?.Pk);
return userResponse;
}
catch (Exception ex)
{
_logger.LogError(ex, "Exception while creating user {Username} in Authentik", username);
return null;
}
}
public async Task<bool> SendRecoveryEmailAsync(int authentikUserId)
{
try
{
var response = await _httpClient.PostAsync(
$"/api/v3/core/users/{authentikUserId}/recovery_email/",
null);
if (!response.IsSuccessStatusCode)
{
var errorContent = await response.Content.ReadAsStringAsync();
_logger.LogError(
"Failed to send recovery email for user {UserId}. Status: {StatusCode}, Error: {Error}",
authentikUserId, response.StatusCode, errorContent);
return false;
}
_logger.LogInformation("Successfully sent recovery email to Authentik user {UserId}", authentikUserId);
return true;
}
catch (Exception ex)
{
_logger.LogError(ex, "Exception while sending recovery email to Authentik user {UserId}", authentikUserId);
return false;
}
}
}

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namespace FictionArchive.Service.UserService.Services.AuthenticationClient.Authentik;
public class AuthentikConfiguration
{
public string BaseUrl { get; set; } = string.Empty;
public string ApiToken { get; set; } = string.Empty;
}

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@@ -0,0 +1,27 @@
using System.Text.Json.Serialization;
namespace FictionArchive.Service.UserService.Services.AuthenticationClient.Authentik;
public class AuthentikUserResponse
{
[JsonPropertyName("pk")]
public int Pk { get; set; }
[JsonPropertyName("username")]
public string Username { get; set; } = string.Empty;
[JsonPropertyName("name")]
public string Name { get; set; } = string.Empty;
[JsonPropertyName("email")]
public string Email { get; set; } = string.Empty;
[JsonPropertyName("is_active")]
public bool IsActive { get; set; }
[JsonPropertyName("is_superuser")]
public bool IsSuperuser { get; set; }
[JsonPropertyName("uid")]
public string Uid { get; set; } = string.Empty;
}

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@@ -0,0 +1,22 @@
using FictionArchive.Service.UserService.Services.AuthenticationClient.Authentik;
namespace FictionArchive.Service.UserService.Services.AuthenticationClient;
public interface IAuthenticationServiceClient
{
/// <summary>
/// Creates a new user in the authentication provider.
/// </summary>
/// <param name="username">The username for the new user</param>
/// <param name="email">The email address for the new user</param>
/// <param name="displayName">The display name for the new user</param>
/// <returns>The created user response, or null if creation failed</returns>
Task<AuthentikUserResponse?> CreateUserAsync(string username, string email, string displayName);
/// <summary>
/// Sends a password recovery email to the user.
/// </summary>
/// <param name="authentikUserId">The Authentik user ID (pk)</param>
/// <returns>True if the email was sent successfully, false otherwise</returns>
Task<bool> SendRecoveryEmailAsync(int authentikUserId);
}

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@@ -1,23 +0,0 @@
using FictionArchive.Service.Shared.Services.EventBus;
using FictionArchive.Service.UserService.Models.IntegrationEvents;
using FictionArchive.Service.UserService.Models.Database;
using Microsoft.EntityFrameworkCore; // Add this line to include the UserModel
namespace FictionArchive.Service.UserService.Services.EventHandlers;
public class AuthUserAddedEventHandler : IIntegrationEventHandler<AuthUserAddedEvent>
{
private readonly UserManagementService _userManagementService;
private readonly ILogger<AuthUserAddedEventHandler> _logger;
public AuthUserAddedEventHandler(UserServiceDbContext dbContext, ILogger<AuthUserAddedEventHandler> logger, UserManagementService userManagementService)
{
_logger = logger;
_userManagementService = userManagementService;
}
public async Task Handle(AuthUserAddedEvent @event)
{
await _userManagementService.RegisterUser(@event.EventUserUsername, @event.EventUserEmail, @event.OAuthProviderId, @event.InviterOAuthProviderId);
}
}

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@@ -1,4 +1,5 @@
using FictionArchive.Service.UserService.Models.Database;
using FictionArchive.Service.UserService.Services.AuthenticationClient;
using Microsoft.EntityFrameworkCore;
namespace FictionArchive.Service.UserService.Services;
@@ -7,37 +8,112 @@ public class UserManagementService
{
private readonly ILogger<UserManagementService> _logger;
private readonly UserServiceDbContext _dbContext;
private readonly IAuthenticationServiceClient _authClient;
public UserManagementService(UserServiceDbContext dbContext, ILogger<UserManagementService> logger)
public UserManagementService(
UserServiceDbContext dbContext,
ILogger<UserManagementService> logger,
IAuthenticationServiceClient authClient)
{
_dbContext = dbContext;
_logger = logger;
_authClient = authClient;
}
public async Task<User> RegisterUser(string username, string email, string oAuthProviderId,
string? inviterOAuthProviderId)
/// <summary>
/// Invites a new user by creating them in Authentik, saving to the database, and sending a recovery email.
/// </summary>
/// <param name="inviter">The user sending the invite</param>
/// <param name="email">Email address of the invitee</param>
/// <param name="username">Username for the invitee</param>
/// <returns>The created user, or null if the invite failed</returns>
public async Task<User?> InviteUserAsync(User inviter, string email, string username)
{
var newUser = new User();
User? inviter =
await _dbContext.Users.FirstOrDefaultAsync(user => user.OAuthProviderId == inviterOAuthProviderId);
if (inviter == null && inviterOAuthProviderId != null)
// Check if inviter has available invites
if (inviter.AvailableInvites <= 0)
{
_logger.LogCritical(
"A user with OAuthProviderId {OAuthProviderId} was marked as having inviter with OAuthProviderId {inviterOAuthProviderId}, but no user was found with that value.",
inviterOAuthProviderId, inviterOAuthProviderId);
newUser.Disabled = true;
_logger.LogWarning("User {InviterId} has no available invites", inviter.Id);
return null;
}
newUser.Username = username;
newUser.Email = email;
newUser.OAuthProviderId = oAuthProviderId;
// Check if email is already in use
var existingUser = await _dbContext.Users
.AsQueryable()
.FirstOrDefaultAsync(u => u.Email == email);
if (existingUser != null)
{
_logger.LogWarning("Email {Email} is already in use", email);
return null;
}
// Check if username is already in use
var existingUsername = await _dbContext.Users
.AsQueryable()
.FirstOrDefaultAsync(u => u.Username == username);
if (existingUsername != null)
{
_logger.LogWarning("Username {Username} is already in use", username);
return null;
}
// Create user in Authentik
var authentikUser = await _authClient.CreateUserAsync(username, email, username);
if (authentikUser == null)
{
_logger.LogError("Failed to create user {Username} in Authentik", username);
return null;
}
// Send recovery email via Authentik
var emailSent = await _authClient.SendRecoveryEmailAsync(authentikUser.Pk);
if (!emailSent)
{
_logger.LogWarning(
"User {Username} was created in Authentik but recovery email failed to send. Authentik pk: {Pk}",
username, authentikUser.Pk);
// Continue anyway - the user is created, admin can resend email manually
}
// Create user in local database
var newUser = new User
{
Username = username,
Email = email,
OAuthProviderId = authentikUser.Uid,
Disabled = false,
AvailableInvites = 0,
InviterId = inviter.Id
};
_dbContext.Users.Add(newUser);
// Decrement inviter's available invites
inviter.AvailableInvites--;
await _dbContext.SaveChangesAsync();
_logger.LogInformation(
"User {Username} was successfully invited by {InviterId}. New user id: {NewUserId}",
username, inviter.Id, newUser.Id);
_dbContext.Users.Add(newUser); // Add the new user to the DbContext
await _dbContext.SaveChangesAsync(); // Save changes to the database
return newUser;
}
/// <summary>
/// Gets a user by their OAuth provider ID (Authentik UID).
/// </summary>
public async Task<User?> GetUserByOAuthProviderIdAsync(string oAuthProviderId)
{
return await _dbContext.Users
.AsQueryable()
.FirstOrDefaultAsync(u => u.OAuthProviderId == oAuthProviderId);
}
/// <summary>
/// Gets all users as a queryable for GraphQL.
/// </summary>
public IQueryable<User> GetUsers()
{
return _dbContext.Users.AsQueryable();

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@@ -7,7 +7,7 @@ namespace FictionArchive.Service.UserService.Services;
public class UserServiceDbContext : FictionArchiveDbContext
{
public DbSet<User> Users { get; set; }
public UserServiceDbContext(DbContextOptions options, ILogger<UserServiceDbContext> logger) : base(options, logger)
{
}