ApiDto/Common/CacheType.cs

@@ -0,0 +1,17 @@
+namespace Mirea.Api.Dto.Common;
+
+/// <summary>
+/// Specifies the types of caching mechanisms available.
+/// </summary>
+public enum CacheType
+{
+    /// <summary>
+    /// Memcached caching type.
+    /// </summary>
+    Memcached,
+
+    /// <summary>
+    /// Redis caching type.
+    /// </summary>
+    Redis
+}

ApiDto/Common/DatabaseType.cs

@@ -0,0 +1,22 @@
+namespace Mirea.Api.Dto.Common;
+
+/// <summary>
+/// Specifies the types of databases supported.
+/// </summary>
+public enum DatabaseType
+{
+    /// <summary>
+    /// MySQL database type.
+    /// </summary>
+    Mysql,
+
+    /// <summary>
+    /// SQLite database type.
+    /// </summary>
+    Sqlite,
+
+    /// <summary>
+    /// PostgreSQL database type.
+    /// </summary>
+    PostgresSql
+}

ApiDto/Requests/CreateUserRequest.cs

@@ -10,27 +10,18 @@ public class CreateUserRequest
     /// <summary>
     /// Gets or sets the email address of the user.
     /// </summary>
-    /// <remarks>
-    /// The email address is a required field.
-    /// </remarks>
     [Required]
     public required string Email { get; set; }
 
     /// <summary>
     /// Gets or sets the username of the user.
     /// </summary>
-    /// <remarks>
-    /// The username is a required field.
-    /// </remarks>
     [Required]
     public required string Username { get; set; }
 
     /// <summary>
     /// Gets or sets the password of the user.
     /// </summary>
-    /// <remarks>
-    /// The password is a required field.
-    /// </remarks>
     [Required]
     public required string Password { get; set; }
 }

ApiDto/Responses/AvailableOAuthProvidersResponse.cs

@@ -1,16 +1,17 @@
 using Mirea.Api.Dto.Common;
-using System;
+using System.ComponentModel.DataAnnotations;
 
 namespace Mirea.Api.Dto.Responses;
 
 /// <summary>
 /// Represents the response containing information about available OAuth providers.
 /// </summary>
-public class AvailableProvidersResponse
+public class AvailableOAuthProvidersResponse
 {
     /// <summary>
     /// Gets or sets the name of the OAuth provider.
     /// </summary>
+    [Required]
     public required string ProviderName { get; set; }
 
     /// <summary>
@@ -19,7 +20,8 @@ public class AvailableProvidersResponse
     public OAuthProvider Provider { get; set; }
 
     /// <summary>
-    /// Gets or sets the redirect URI for the OAuth provider.
+    /// Gets or sets the redirect URL for the OAuth provider's authorization process.
     /// </summary>
-    public required Uri Redirect { get; set; }
+    [Required]
+    public required string Redirect { get; set; }
 }

ApiDto/Responses/Configuration/CacheResponse.cs

@@ -0,0 +1,29 @@
+using Mirea.Api.Dto.Common;
+
+namespace Mirea.Api.Dto.Responses.Configuration;
+
+/// <summary>
+/// Represents a response containing cache configuration details.
+/// </summary>
+public class CacheResponse
+{
+    /// <summary>
+    /// Gets or sets the type of cache database.
+    /// </summary>
+    public CacheType Type { get; set; }
+
+    /// <summary>
+    /// Gets or sets the server address.
+    /// </summary>
+    public string? Server { get; set; }
+
+    /// <summary>
+    /// Gets or sets the port number.
+    /// </summary>
+    public int Port { get; set; }
+
+    /// <summary>
+    /// Gets or sets the password.
+    /// </summary>
+    public string? Password { get; set; }
+}

ApiDto/Responses/Configuration/DatabaseResponse.cs

@@ -0,0 +1,49 @@
+using Mirea.Api.Dto.Common;
+
+namespace Mirea.Api.Dto.Responses.Configuration;
+
+/// <summary>
+/// Represents a response containing database configuration details.
+/// </summary>
+public class DatabaseResponse
+{
+    /// <summary>
+    /// Gets or sets the type of database.
+    /// </summary>
+    public DatabaseType Type { get; set; }
+
+    /// <summary>
+    /// Gets or sets the server address.
+    /// </summary>
+    public string? Server { get; set; }
+
+    /// <summary>
+    /// Gets or sets the port number.
+    /// </summary>
+    public int Port { get; set; }
+
+    /// <summary>
+    /// Gets or sets the database name.
+    /// </summary>
+    public string? Database { get; set; }
+
+    /// <summary>
+    /// Gets or sets the username.
+    /// </summary>
+    public string? User { get; set; }
+
+    /// <summary>
+    /// Gets or sets a value indicating whether SSL is enabled.
+    /// </summary>
+    public bool Ssl { get; set; }
+
+    /// <summary>
+    /// Gets or sets the password.
+    /// </summary>
+    public string? Password { get; set; }
+
+    /// <summary>
+    /// Gets or sets the path to database. Only for Sqlite
+    /// </summary>
+    public string? PathToDatabase { get; set; }
+}

ApiDto/Responses/TotpKeyResponse.cs

@@ -0,0 +1,17 @@
+namespace Mirea.Api.Dto.Responses;
+
+/// <summary>
+/// Represents the response containing the TOTP (Time-Based One-Time Password) key details.
+/// </summary>
+public class TotpKeyResponse
+{
+    /// <summary>
+    /// Gets or sets the secret key used for TOTP generation.
+    /// </summary>
+    public required string Secret { get; set; }
+
+    /// <summary>
+    /// Gets or sets the image (QR code) representing the TOTP key.
+    /// </summary>
+    public required string Image { get; set; }
+}

ApiDto/Responses/UserResponse.cs

@@ -0,0 +1,35 @@
+using Mirea.Api.Dto.Common;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+
+namespace Mirea.Api.Dto.Responses;
+
+/// <summary>
+/// Represents a response containing user information.
+/// </summary>
+public class UserResponse
+{
+    /// <summary>
+    /// Gets or sets the email address of the user.
+    /// </summary>
+    [Required]
+    public required string Email { get; set; }
+
+    /// <summary>
+    /// Gets or sets the username of the user.
+    /// </summary>
+    [Required]
+    public required string Username { get; set; }
+
+    /// <summary>
+    /// Gets or sets a value indicating whether the user has two-factor authentication enabled.
+    /// </summary>
+    [Required]
+    public bool TwoFactorAuthenticatorEnabled { get; set; }
+
+    /// <summary>
+    /// Gets or sets a collection of OAuth providers used by the user.
+    /// </summary>
+    [Required]
+    public required IEnumerable<OAuthProvider> UsedOAuthProviders { get; set; }
+}

Endpoint/Configuration/Core/Startup/CacheConfiguration.cs

@@ -1,7 +1,7 @@
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
+using Mirea.Api.Dto.Common;
 using Mirea.Api.Endpoint.Configuration.Model;
-using Mirea.Api.Endpoint.Configuration.Model.GeneralSettings;
 
 namespace Mirea.Api.Endpoint.Configuration.Core.Startup;
 
@@ -10,7 +10,7 @@ public static class CacheConfiguration
     public static IServiceCollection AddCustomRedis(this IServiceCollection services, IConfiguration configuration, IHealthChecksBuilder? healthChecksBuilder = null)
     {
         var cache = configuration.Get<GeneralConfig>()?.CacheSettings;
-        if (cache?.TypeDatabase != CacheSettings.CacheEnum.Redis)
+        if (cache?.TypeDatabase != CacheType.Redis)
             return services;
 
         services.AddStackExchangeRedisCache(options =>

Endpoint/Configuration/Core/Startup/SecureConfiguration.cs

@@ -1,8 +1,8 @@
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
+using Mirea.Api.Dto.Common;
 using Mirea.Api.Endpoint.Common.Services.Security;
 using Mirea.Api.Endpoint.Configuration.Model;
-using Mirea.Api.Endpoint.Configuration.Model.GeneralSettings;
 using Mirea.Api.Security;
 using Mirea.Api.Security.Common.Interfaces;
 
@@ -16,7 +16,7 @@ public static class SecureConfiguration
 
         services.AddSingleton<IRevokedToken, MemoryRevokedTokenService>();
 
-        if (configuration.Get<GeneralConfig>()?.CacheSettings?.TypeDatabase == CacheSettings.CacheEnum.Redis)
+        if (configuration.Get<GeneralConfig>()?.CacheSettings?.TypeDatabase == CacheType.Redis)
             services.AddSingleton<ICacheService, DistributedCacheService>();
         else
             services.AddSingleton<ICacheService, MemoryCacheService>();

Endpoint/Configuration/Model/GeneralSettings/CacheSettings.cs

@@ -1,4 +1,5 @@
-using Mirea.Api.Endpoint.Configuration.Validation.Attributes;
+using Mirea.Api.Dto.Common;
+using Mirea.Api.Endpoint.Configuration.Validation.Attributes;
 using Mirea.Api.Endpoint.Configuration.Validation.Interfaces;
 
 namespace Mirea.Api.Endpoint.Configuration.Model.GeneralSettings;
@@ -6,18 +7,12 @@ namespace Mirea.Api.Endpoint.Configuration.Model.GeneralSettings;
 [RequiredSettings]
 public class CacheSettings : IIsConfigured
 {
-    public enum CacheEnum
+    public CacheType TypeDatabase { get; set; }
-    {
-        Memcached,
-        Redis
-    }
-
-    public CacheEnum TypeDatabase { get; set; }
     public string? ConnectionString { get; set; }
 
     public bool IsConfigured()
     {
-        return TypeDatabase == CacheEnum.Memcached ||
+        return TypeDatabase == CacheType.Memcached ||
                !string.IsNullOrEmpty(ConnectionString);
     }
 }

Endpoint/Configuration/Model/GeneralSettings/DbSettings.cs

@@ -1,4 +1,5 @@
 using Mirea.Api.DataAccess.Persistence.Common;
+using Mirea.Api.Dto.Common;
 using Mirea.Api.Endpoint.Configuration.Validation.Attributes;
 using Mirea.Api.Endpoint.Configuration.Validation.Interfaces;
 using System;
@@ -9,22 +10,16 @@ namespace Mirea.Api.Endpoint.Configuration.Model.GeneralSettings;
 [RequiredSettings]
 public class DbSettings : IIsConfigured
 {
-    public enum DatabaseEnum
+    public DatabaseType TypeDatabase { get; set; }
-    {
-        Mysql,
-        Sqlite,
-        PostgresSql
-    }
-    public DatabaseEnum TypeDatabase { get; set; }
     public required string ConnectionStringSql { get; set; }
 
     [JsonIgnore]
     public DatabaseProvider DatabaseProvider =>
         TypeDatabase switch
         {
-            DatabaseEnum.PostgresSql => DatabaseProvider.Postgresql,
+            DatabaseType.PostgresSql => DatabaseProvider.Postgresql,
-            DatabaseEnum.Mysql => DatabaseProvider.Mysql,
+            DatabaseType.Mysql => DatabaseProvider.Mysql,
-            DatabaseEnum.Sqlite => DatabaseProvider.Sqlite,
+            DatabaseType.Sqlite => DatabaseProvider.Sqlite,
             _ => throw new ArgumentOutOfRangeException()
         };
 

Endpoint/Controllers/Configuration/SetupController.cs

@@ -4,15 +4,21 @@ using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.Data.Sqlite;
 using Microsoft.Extensions.Caching.Memory;
+using Microsoft.Extensions.Options;
+using Mirea.Api.Dto.Common;
 using Mirea.Api.Dto.Requests;
 using Mirea.Api.Dto.Requests.Configuration;
+using Mirea.Api.Dto.Responses;
+using Mirea.Api.Dto.Responses.Configuration;
 using Mirea.Api.Endpoint.Common.Attributes;
 using Mirea.Api.Endpoint.Common.Exceptions;
 using Mirea.Api.Endpoint.Common.Interfaces;
+using Mirea.Api.Endpoint.Common.MapperDto;
 using Mirea.Api.Endpoint.Common.Services;
 using Mirea.Api.Endpoint.Configuration.Model;
 using Mirea.Api.Endpoint.Configuration.Model.GeneralSettings;
 using Mirea.Api.Endpoint.Configuration.Validation.Validators;
+using Mirea.Api.Security.Common.Domain;
 using Mirea.Api.Security.Services;
 using MySqlConnector;
 using Npgsql;
@@ -36,7 +42,8 @@ public class SetupController(
     ISetupToken setupToken,
     IMaintenanceModeNotConfigureService notConfigureService,
     IMemoryCache cache,
-    PasswordHashService passwordHashService) : BaseController
+    PasswordHashService passwordHashService,
+    IOptionsSnapshot<Admin> user) : BaseController
 {
     private const string CacheGeneralKey = "config_general";
     private const string CacheAdminKey = "config_admin";
@@ -95,7 +102,12 @@ public class SetupController(
         return Ok(true);
     }
 
-    private ActionResult<bool> SetDatabase<TConnection, TException>(string connectionString, DbSettings.DatabaseEnum databaseType)
+    [HttpGet("IsConfiguredToken")]
+    [TokenAuthentication]
+    public ActionResult<bool> IsConfiguredToken() =>
+        Ok(true);
+
+    private void SetDatabase<TConnection, TException>(string connectionString, DatabaseType databaseType)
         where TConnection : class, IDbConnection, new()
         where TException : Exception
     {
@@ -118,8 +130,6 @@ public class SetupController(
                 TypeDatabase = databaseType
             };
             GeneralConfig = general;
-
-            return Ok(true);
         }
         catch (TException ex)
         {
@@ -138,7 +148,20 @@ public class SetupController(
         if (request.Ssl)
             connectionString += ";SSL Mode=Require;";
 
-        return SetDatabase<NpgsqlConnection, NpgsqlException>(connectionString, DbSettings.DatabaseEnum.PostgresSql);
+
+        SetDatabase<NpgsqlConnection, NpgsqlException>(connectionString, DatabaseType.PostgresSql);
+        cache.Set("database", new DatabaseResponse
+        {
+            Type = DatabaseType.PostgresSql,
+            Database = request.Database,
+            Password = request.Password,
+            Ssl = request.Ssl,
+            Port = request.Port,
+            Server = request.Server,
+            User = request.User
+        });
+
+        return Ok(true);
     }
 
     [HttpPost("SetMysql")]
@@ -152,7 +175,19 @@ public class SetupController(
         if (request.Ssl)
             connectionString += "SslMode=Require;";
 
-        return SetDatabase<MySqlConnection, MySqlException>(connectionString, DbSettings.DatabaseEnum.Mysql);
+        SetDatabase<MySqlConnection, MySqlException>(connectionString, DatabaseType.Mysql);
+        cache.Set("database", new DatabaseResponse
+        {
+            Type = DatabaseType.Mysql,
+            Database = request.Database,
+            Password = request.Password,
+            Ssl = request.Ssl,
+            Port = request.Port,
+            Server = request.Server,
+            User = request.User
+        });
+
+        return Ok(true);
     }
 
     [HttpPost("SetSqlite")]
@@ -179,14 +214,26 @@ public class SetupController(
         var filePath = Path.Combine(path, "database.db3");
         var connectionString = $"Data Source={filePath}";
 
-        var result = SetDatabase<SqliteConnection, SqliteException>(connectionString, DbSettings.DatabaseEnum.Sqlite);
+        SetDatabase<SqliteConnection, SqliteException>(connectionString, DatabaseType.Sqlite);
 
         foreach (var file in Directory.GetFiles(path))
             System.IO.File.Delete(file);
 
-        return result;
+        cache.Set("database", new DatabaseResponse
+        {
+            Type = DatabaseType.Sqlite,
+            PathToDatabase = path
+        });
+
+        return Ok(true);
     }
 
+    [HttpGet("DatabaseConfiguration")]
+    [TokenAuthentication]
+    [ProducesResponseType(StatusCodes.Status204NoContent)]
+    public ActionResult<DatabaseRequest> DatabaseConfiguration() =>
+        cache.TryGetValue<DatabaseResponse>("database", out var response) ? Ok(response) : NoContent();
+
     [HttpPost("SetRedis")]
     [TokenAuthentication]
     [BadRequestResponse]
@@ -205,10 +252,17 @@ public class SetupController(
             general.CacheSettings = new CacheSettings
             {
                 ConnectionString = connectionString,
-                TypeDatabase = CacheSettings.CacheEnum.Redis
+                TypeDatabase = CacheType.Redis
             };
             GeneralConfig = general;
 
+            cache.Set("cache", new CacheResponse
+            {
+                Type = CacheType.Redis,
+                Server = request.Server,
+                Password = request.Password,
+                Port = request.Port
+            });
             return Ok(true);
         }
         catch (Exception ex)
@@ -226,20 +280,29 @@ public class SetupController(
         general.CacheSettings = new CacheSettings
         {
             ConnectionString = null,
-            TypeDatabase = CacheSettings.CacheEnum.Memcached
+            TypeDatabase = CacheType.Memcached
         };
         GeneralConfig = general;
 
+        cache.Set("cache", new CacheResponse
+        {
+            Type = CacheType.Memcached
+        });
         return Ok(true);
     }
 
+    [HttpGet("CacheConfiguration")]
+    [TokenAuthentication]
+    [ProducesResponseType(StatusCodes.Status204NoContent)]
+    public ActionResult<CacheResponse> CacheConfiguration() =>
+        cache.TryGetValue<CacheResponse>("cache", out var response) ? Ok(response) : NoContent();
+
     [HttpPost("CreateAdmin")]
     [TokenAuthentication]
     [BadRequestResponse]
     public ActionResult<string> CreateAdmin([FromBody] CreateUserRequest user)
     {
-        if (!PasswordHashService.HasPasswordInPolicySecurity(user.Password))
+        new PasswordPolicyService(GeneralConfig.PasswordPolicy).ValidatePasswordOrThrow(user.Password);
-            throw new ControllerArgumentException("The password must be at least 8 characters long and contain at least one uppercase letter and one special character.");
 
         if (!MailAddress.TryCreate(user.Email, out _))
             throw new ControllerArgumentException("The email address is incorrect.");
@@ -258,6 +321,73 @@ public class SetupController(
         return Ok(true);
     }
 
+    [HttpGet("UpdateAdminConfiguration")]
+    [TokenAuthentication]
+    public ActionResult UpdateAdminConfiguration()
+    {
+        if (string.IsNullOrEmpty(user.Value.Email))
+            return Ok();
+
+        if (!cache.TryGetValue<Admin>(CacheAdminKey, out var admin))
+        {
+            admin = user.Value;
+            cache.Set(CacheAdminKey, admin);
+            return Ok();
+        }
+
+        admin!.OAuthProviders = user.Value.OAuthProviders;
+
+        if (string.IsNullOrEmpty(admin.Email))
+            admin.Email = user.Value.Email;
+
+        if (string.IsNullOrEmpty(admin.Username))
+            admin.Username = user.Value.Username;
+
+        cache.Set(CacheAdminKey, admin);
+        return Ok();
+    }
+
+    [HttpGet("AdminConfiguration")]
+    [TokenAuthentication]
+    [ProducesResponseType(StatusCodes.Status204NoContent)]
+    public ActionResult<UserResponse> AdminConfiguration() =>
+        cache.TryGetValue<Admin>(CacheAdminKey, out var admin) ? Ok(new UserResponse()
+        {
+            Email = admin!.Email,
+            Username = admin.Username,
+            TwoFactorAuthenticatorEnabled = admin.TwoFactorAuthenticator != TwoFactorAuthenticator.None,
+            UsedOAuthProviders = admin.OAuthProviders == null ? [] : admin.OAuthProviders.Keys.Select(x => x.ConvertToDto())
+        }) : NoContent();
+
+    [HttpGet("GenerateTotpKey")]
+    [TokenAuthentication]
+    public ActionResult<string> GenerateTotpKey()
+    {
+        if (cache.TryGetValue<string>("totpSecret", out var secret))
+            return secret!;
+
+        secret = GeneratorKey.GenerateAlphaNumericBase32Compatible(16);
+        cache.Set("totpSecret", secret);
+        return secret;
+    }
+
+    [HttpGet("VerifyTotp")]
+    [TokenAuthentication]
+    public ActionResult<bool> VerifyTotp([FromQuery] string code)
+    {
+        var isCorrect = cache.TryGetValue<string>("totpSecret", out var secret) &&
+                        new TotpService(secret!).VerifyToken(code);
+
+        if (!isCorrect || !cache.TryGetValue<Admin>(CacheAdminKey, out var admin))
+            return false;
+
+        admin!.Secret = secret;
+        admin.TwoFactorAuthenticator = TwoFactorAuthenticator.Totp;
+        cache.Set(CacheAdminKey, admin);
+
+        return true;
+    }
+
     [HttpPost("SetLogging")]
     [TokenAuthentication]
     [BadRequestResponse]
@@ -292,9 +422,22 @@ public class SetupController(
         general.LogSettings = settings;
         GeneralConfig = general;
 
+        cache.Set("logging", new LoggingRequest
+        {
+            EnableLogToFile = settings.EnableLogToFile,
+            LogFileName = settings.LogFileName,
+            LogFilePath = settings.LogFilePath
+        });
+
         return true;
     }
 
+    [HttpGet("LoggingConfiguration")]
+    [TokenAuthentication]
+    [ProducesResponseType(StatusCodes.Status204NoContent)]
+    public ActionResult<LoggingRequest> LoggingConfiguration() =>
+        cache.TryGetValue<LoggingRequest>("logging", out var data) ? Ok(data) : NoContent();
+
     [HttpPost("SetEmail")]
     [TokenAuthentication]
     [BadRequestResponse]
@@ -318,9 +461,16 @@ public class SetupController(
         general.EmailSettings = settings;
         GeneralConfig = general;
 
+        cache.Set("email", settings);
         return true;
     }
 
+    [HttpGet("EmailConfiguration")]
+    [TokenAuthentication]
+    [ProducesResponseType(StatusCodes.Status204NoContent)]
+    public ActionResult<EmailRequest> EmailConfiguration() =>
+        cache.TryGetValue<EmailRequest>("email", out var data) ? Ok(data) : NoContent();
+
     [HttpPost("SetSchedule")]
     [TokenAuthentication]
     [BadRequestResponse]
@@ -349,8 +499,20 @@ public class SetupController(
 
         GeneralConfig = general;
 
+        cache.Set("schedule", new ScheduleConfigurationRequest()
+        {
+            StartTerm = general.ScheduleSettings.StartTerm,
+            CronUpdateSchedule = general.ScheduleSettings.CronUpdateSchedule
+        });
         return true;
     }
+
+    [HttpGet("ScheduleConfiguration")]
+    [TokenAuthentication]
+    [ProducesResponseType(StatusCodes.Status204NoContent)]
+    public ActionResult<ScheduleConfigurationRequest> ScheduleConfiguration() =>
+        cache.TryGetValue<ScheduleConfigurationRequest>("schedule", out var data) ? Ok(data) : NoContent();
+
     [HttpPost("SetPasswordPolicy")]
     [TokenAuthentication]
     public ActionResult<bool> SetPasswordPolicy([FromBody] PasswordPolicy? policy = null)