diff --git a/Endpoint/Common/MapperDto/PasswordPolicyConverter.cs b/Endpoint/Common/MapperDto/PasswordPolicyConverter.cs
index 85d27d4..a016c66 100644
--- a/Endpoint/Common/MapperDto/PasswordPolicyConverter.cs
+++ b/Endpoint/Common/MapperDto/PasswordPolicyConverter.cs
@@ -1,17 +1,17 @@
-using Mirea.Api.Dto.Common;
+using PasswordPolicy = Mirea.Api.Dto.Common.PasswordPolicy;
 
 namespace Mirea.Api.Endpoint.Common.MapperDto;
 
 public static class PasswordPolicyConverter
 {
-    public static Security.Common.Domain.PasswordPolicy ConvertFromDto(this PasswordPolicy policy) =>
+    public static Security.Common.Model.PasswordPolicy ConvertFromDto(this PasswordPolicy policy) =>
         new(policy.MinimumLength,
             policy.RequireLetter,
             policy.RequireLettersDifferentCase,
             policy.RequireDigit,
             policy.RequireSpecialCharacter);
 
-    public static PasswordPolicy ConvertToDto(this Security.Common.Domain.PasswordPolicy policy) =>
+    public static PasswordPolicy ConvertToDto(this Security.Common.Model.PasswordPolicy policy) =>
         new()
         {
             MinimumLength = policy.MinimumLength,
diff --git a/Endpoint/Common/MapperDto/TwoFactorAuthenticationConverter.cs b/Endpoint/Common/MapperDto/TwoFactorAuthenticationConverter.cs
index 4086790..5239444 100644
--- a/Endpoint/Common/MapperDto/TwoFactorAuthenticationConverter.cs
+++ b/Endpoint/Common/MapperDto/TwoFactorAuthenticationConverter.cs
@@ -1,24 +1,23 @@
 using Mirea.Api.Dto.Common;
-using Mirea.Api.Security.Common.Domain;
 using System;
 
 namespace Mirea.Api.Endpoint.Common.MapperDto;
 
 public static class TwoFactorAuthenticationConverter
 {
-    public static TwoFactorAuthentication ConvertToDto(this TwoFactorAuthenticator authenticator) =>
+    public static TwoFactorAuthentication ConvertToDto(this Security.Common.Model.TwoFactorAuthenticator authenticator) =>
         authenticator switch
         {
-            TwoFactorAuthenticator.None => TwoFactorAuthentication.None,
-            TwoFactorAuthenticator.Totp => TwoFactorAuthentication.TotpRequired,
+            Security.Common.Model.TwoFactorAuthenticator.None => TwoFactorAuthentication.None,
+            Security.Common.Model.TwoFactorAuthenticator.Totp => TwoFactorAuthentication.TotpRequired,
             _ => throw new ArgumentOutOfRangeException(nameof(authenticator), authenticator, null)
         };
 
-    public static TwoFactorAuthenticator ConvertFromDto(this TwoFactorAuthentication authentication) =>
+    public static Security.Common.Model.TwoFactorAuthenticator ConvertFromDto(this TwoFactorAuthentication authentication) =>
         authentication switch
         {
-            TwoFactorAuthentication.None => TwoFactorAuthenticator.None,
-            TwoFactorAuthentication.TotpRequired => TwoFactorAuthenticator.Totp,
+            TwoFactorAuthentication.None => Security.Common.Model.TwoFactorAuthenticator.None,
+            TwoFactorAuthentication.TotpRequired => Security.Common.Model.TwoFactorAuthenticator.Totp,
             _ => throw new ArgumentOutOfRangeException(nameof(authentication), authentication, null)
         };
 }
\ No newline at end of file
diff --git a/Endpoint/Configuration/Model/Admin.cs b/Endpoint/Configuration/Model/Admin.cs
index 381981b..d9488f8 100644
--- a/Endpoint/Configuration/Model/Admin.cs
+++ b/Endpoint/Configuration/Model/Admin.cs
@@ -1,5 +1,6 @@
 using Mirea.Api.Endpoint.Common.Services;
 using Mirea.Api.Security.Common.Domain;
+using Mirea.Api.Security.Common.Model;
 using System.Collections.Generic;
 using System.IO;
 using System.Text.Json;
diff --git a/Endpoint/Configuration/Model/GeneralConfig.cs b/Endpoint/Configuration/Model/GeneralConfig.cs
index f363517..331c681 100644
--- a/Endpoint/Configuration/Model/GeneralConfig.cs
+++ b/Endpoint/Configuration/Model/GeneralConfig.cs
@@ -1,6 +1,6 @@
 using Mirea.Api.Endpoint.Common.Services;
 using Mirea.Api.Endpoint.Configuration.Model.GeneralSettings;
-using Mirea.Api.Security.Common.Domain;
+using Mirea.Api.Security.Common.Model;
 using System.IO;
 using System.Text.Json;
 using System.Text.Json.Serialization;
diff --git a/Endpoint/Controllers/Configuration/SetupController.cs b/Endpoint/Controllers/Configuration/SetupController.cs
index 2d64f7d..7c3441e 100644
--- a/Endpoint/Controllers/Configuration/SetupController.cs
+++ b/Endpoint/Controllers/Configuration/SetupController.cs
@@ -18,7 +18,7 @@ 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.Common.Model;
 using Mirea.Api.Security.Services;
 using MySqlConnector;
 using Npgsql;
@@ -32,6 +32,7 @@ using System.Linq;
 using System.Runtime.InteropServices;
 using System.Security;
 using System.Security.Cryptography;
+using CookieOptions = Microsoft.AspNetCore.Http.CookieOptions;
 using PasswordPolicy = Mirea.Api.Dto.Common.PasswordPolicy;
 
 namespace Mirea.Api.Endpoint.Controllers.Configuration;
@@ -539,7 +540,7 @@ public class SetupController(
     [TokenAuthentication]
     public ActionResult<bool> SetPasswordPolicy([FromBody] PasswordPolicy? policy = null)
     {
-        GeneralConfig.PasswordPolicy = policy?.ConvertFromDto() ?? new Security.Common.Domain.PasswordPolicy();
+        GeneralConfig.PasswordPolicy = policy?.ConvertFromDto() ?? new Security.Common.Model.PasswordPolicy();
         cache.Set("password", true);
         return true;
     }
diff --git a/Endpoint/Controllers/V1/AuthController.cs b/Endpoint/Controllers/V1/AuthController.cs
index 8c0c7e8..7bf58f9 100644
--- a/Endpoint/Controllers/V1/AuthController.cs
+++ b/Endpoint/Controllers/V1/AuthController.cs
@@ -11,13 +11,14 @@ using Mirea.Api.Endpoint.Common.Exceptions;
 using Mirea.Api.Endpoint.Common.MapperDto;
 using Mirea.Api.Endpoint.Common.Services;
 using Mirea.Api.Endpoint.Configuration.Model;
-using Mirea.Api.Security.Common.Domain;
+using Mirea.Api.Security.Common.Model;
 using Mirea.Api.Security.Services;
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.Linq;
 using System.Threading.Tasks;
+using CookieOptions = Mirea.Api.Security.Common.Model.CookieOptions;
 using OAuthProvider = Mirea.Api.Security.Common.Domain.OAuthProvider;
 
 namespace Mirea.Api.Endpoint.Controllers.V1;
@@ -26,7 +27,7 @@ namespace Mirea.Api.Endpoint.Controllers.V1;
 public class AuthController(IOptionsSnapshot<Admin> user, IOptionsSnapshot<GeneralConfig> generalConfig, AuthService auth,
     PasswordHashService passwordService, OAuthService oAuthService) : BaseController
 {
-    private CookieOptionsParameters GetCookieParams() =>
+    private CookieOptions GetCookieParams() =>
         new()
         {
             Domain = HttpContext.GetCurrentDomain(),
@@ -53,6 +54,19 @@ public class AuthController(IOptionsSnapshot<Admin> user, IOptionsSnapshot<Gener
         return $"<!DOCTYPE html><html lang=ru><head><meta charset=UTF-8><meta content=\"width=device-width,initial-scale=1\"name=viewport><link href=\"https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&display=swap\"rel=stylesheet><style>body{{background-color:#121212;color:#fff;font-family:Roboto,sans-serif;display:flex;justify-content:center;align-items:center;height:100vh;margin:0;text-align:center}}.container{{max-width:600px;padding:20px;border-radius:8px;background-color:#1e1e1e;box-shadow:0 4px 20px rgba(0,0,0,.5)}}h1{{font-size:24px;margin-bottom:20px}}</style><title>{title}</title></head><body><div class=container><h1>{title}</h1>{blockInfo}<p style=font-size:14px;color:silver;>{message}</p><code style=font-size:12px;color:gray;>TraceId={traceId}</code></div>{script}</body></html>";
     }
 
+    /// <summary>
+    /// Handles the callback from an OAuth2 provider and finalizes the authorization process.
+    /// </summary>
+    /// <remarks>
+    /// This method processes the response from an OAuth provider after the user authorizes the application. 
+    /// Upon successful authorization, it redirects the user back to the specified callback URL.
+    /// </remarks>
+    /// <param name="code">The authorization code returned by the OAuth provider.</param>
+    /// <param name="state">The state parameter to ensure the request's integrity and prevent CSRF attacks.</param>
+    /// <returns>
+    /// An HTML response indicating the success or failure of the authorization process. 
+    /// If a callback URL is provided, the user will be redirected to it.
+    /// </returns>
     [HttpGet("OAuth2")]
     [BadRequestResponse]
     [Produces("text/html")]
@@ -163,6 +177,7 @@ public class AuthController(IOptionsSnapshot<Admin> user, IOptionsSnapshot<Gener
 
         var tokenResult = await auth.LoginAsync(
             GetCookieParams(),
+            HttpContext,
             new User
             {
                 Id = 1.ToString(),
@@ -174,7 +189,7 @@ public class AuthController(IOptionsSnapshot<Admin> user, IOptionsSnapshot<Gener
                 SecondFactorToken = userEntity.Secret,
                 OAuthProviders = userEntity.OAuthProviders
             },
-            HttpContext, request.Password, request.Username);
+            request.Password, request.Username);
 
         return Ok(tokenResult.ConvertToDto());
     }
diff --git a/Security/Common/Domain/Caching/FirstAuthToken.cs b/Security/Common/Domain/Caching/FirstAuthToken.cs
index 2181ce3..4e74cf6 100644
--- a/Security/Common/Domain/Caching/FirstAuthToken.cs
+++ b/Security/Common/Domain/Caching/FirstAuthToken.cs
@@ -1,4 +1,6 @@
-namespace Mirea.Api.Security.Common.Domain.Caching;
+using Mirea.Api.Security.Common.Model;
+
+namespace Mirea.Api.Security.Common.Domain.Caching;
 
 internal class FirstAuthToken
 {
diff --git a/Security/Common/Domain/OAuth2/OAuthPayload.cs b/Security/Common/Domain/OAuthPayload.cs
similarity index 57%
rename from Security/Common/Domain/OAuth2/OAuthPayload.cs
rename to Security/Common/Domain/OAuthPayload.cs
index 87799a5..546446c 100644
--- a/Security/Common/Domain/OAuth2/OAuthPayload.cs
+++ b/Security/Common/Domain/OAuthPayload.cs
@@ -1,6 +1,6 @@
-namespace Mirea.Api.Security.Common.Domain.OAuth2;
+namespace Mirea.Api.Security.Common.Domain;
 
-public class OAuthPayload
+internal class OAuthPayload
 {
     public required OAuthProvider Provider { get; set; }
     public required string Callback { get; set; }
diff --git a/Security/Common/Domain/OAuth2/OAuthProviderUrisData.cs b/Security/Common/Domain/OAuthProviderUrisData.cs
similarity index 86%
rename from Security/Common/Domain/OAuth2/OAuthProviderUrisData.cs
rename to Security/Common/Domain/OAuthProviderUrisData.cs
index 85a8e0b..b10de13 100644
--- a/Security/Common/Domain/OAuth2/OAuthProviderUrisData.cs
+++ b/Security/Common/Domain/OAuthProviderUrisData.cs
@@ -1,6 +1,6 @@
 using System;
 
-namespace Mirea.Api.Security.Common.Domain.OAuth2;
+namespace Mirea.Api.Security.Common.Domain;
 
 internal readonly struct OAuthProviderUrisData
 {
diff --git a/Security/Common/Domain/RequestContextInfo.cs b/Security/Common/Domain/RequestContextInfo.cs
index 28b0cef..1e522a5 100644
--- a/Security/Common/Domain/RequestContextInfo.cs
+++ b/Security/Common/Domain/RequestContextInfo.cs
@@ -7,7 +7,7 @@ namespace Mirea.Api.Security.Common.Domain;
 
 internal class RequestContextInfo
 {
-    public RequestContextInfo(HttpContext context, CookieOptionsParameters cookieOptions)
+    public RequestContextInfo(HttpContext context, Model.CookieOptions cookieOptions)
     {
         var ipEntity = context.Connection.RemoteIpAddress;
 
diff --git a/Security/Common/Domain/CookieOptionsParameters.cs b/Security/Common/Model/CookieOptions.cs
similarity index 82%
rename from Security/Common/Domain/CookieOptionsParameters.cs
rename to Security/Common/Model/CookieOptions.cs
index 5845b53..3dc22f2 100644
--- a/Security/Common/Domain/CookieOptionsParameters.cs
+++ b/Security/Common/Model/CookieOptions.cs
@@ -1,16 +1,16 @@
 using Microsoft.AspNetCore.Http;
 using System;
 
-namespace Mirea.Api.Security.Common.Domain;
+namespace Mirea.Api.Security.Common.Model;
 
-public class CookieOptionsParameters
+public class CookieOptions
 {
     public required string Domain { get; set; }
     public required string Path { get; set; }
 
     internal void SetCookie(HttpContext context, string name, string value, DateTimeOffset? expires = null)
     {
-        var cookieOptions = new CookieOptions
+        var cookieOptions = new Microsoft.AspNetCore.Http.CookieOptions
         {
             Expires = expires,
             Path = Path,
diff --git a/Security/Common/Domain/PasswordPolicy.cs b/Security/Common/Model/PasswordPolicy.cs
similarity index 92%
rename from Security/Common/Domain/PasswordPolicy.cs
rename to Security/Common/Model/PasswordPolicy.cs
index fd1ee57..a004a44 100644
--- a/Security/Common/Domain/PasswordPolicy.cs
+++ b/Security/Common/Model/PasswordPolicy.cs
@@ -1,4 +1,4 @@
-namespace Mirea.Api.Security.Common.Domain;
+namespace Mirea.Api.Security.Common.Model;
 
 public class PasswordPolicy(
     int minimumLength = 8,
diff --git a/Security/Common/Domain/TwoFactorAuthenticator.cs b/Security/Common/Model/TwoFactorAuthenticator.cs
similarity index 54%
rename from Security/Common/Domain/TwoFactorAuthenticator.cs
rename to Security/Common/Model/TwoFactorAuthenticator.cs
index 1a30b28..4e09450 100644
--- a/Security/Common/Domain/TwoFactorAuthenticator.cs
+++ b/Security/Common/Model/TwoFactorAuthenticator.cs
@@ -1,4 +1,4 @@
-namespace Mirea.Api.Security.Common.Domain;
+namespace Mirea.Api.Security.Common.Model;
 
 public enum TwoFactorAuthenticator
 {
diff --git a/Security/Common/Domain/User.cs b/Security/Common/Model/User.cs
similarity index 79%
rename from Security/Common/Domain/User.cs
rename to Security/Common/Model/User.cs
index 61dad9f..d208bb3 100644
--- a/Security/Common/Domain/User.cs
+++ b/Security/Common/Model/User.cs
@@ -1,6 +1,7 @@
-using System.Collections.Generic;
+using Mirea.Api.Security.Common.Domain;
+using System.Collections.Generic;
 
-namespace Mirea.Api.Security.Common.Domain;
+namespace Mirea.Api.Security.Common.Model;
 
 public class User
 {
diff --git a/Security/Common/Domain/OAuth2/OAuthTokenResponse.cs b/Security/Common/OAuth2/OAuthTokenResponse.cs
similarity index 71%
rename from Security/Common/Domain/OAuth2/OAuthTokenResponse.cs
rename to Security/Common/OAuth2/OAuthTokenResponse.cs
index 920fa03..63c0fc6 100644
--- a/Security/Common/Domain/OAuth2/OAuthTokenResponse.cs
+++ b/Security/Common/OAuth2/OAuthTokenResponse.cs
@@ -1,8 +1,8 @@
 using System.Text.Json.Serialization;
 
-namespace Mirea.Api.Security.Common.Domain.OAuth2;
+namespace Mirea.Api.Security.Common.OAuth2;
 
-public class OAuthTokenResponse
+internal class OAuthTokenResponse
 {
     [JsonPropertyName("access_token")]
     public required string AccessToken { get; set; }
diff --git a/Security/Common/Domain/OAuth2/UserInfo/GoogleUserInfo.cs b/Security/Common/OAuth2/UserInfo/GoogleUserInfo.cs
similarity index 87%
rename from Security/Common/Domain/OAuth2/UserInfo/GoogleUserInfo.cs
rename to Security/Common/OAuth2/UserInfo/GoogleUserInfo.cs
index 1579f9c..2e21cbd 100644
--- a/Security/Common/Domain/OAuth2/UserInfo/GoogleUserInfo.cs
+++ b/Security/Common/OAuth2/UserInfo/GoogleUserInfo.cs
@@ -1,7 +1,8 @@
-using Mirea.Api.Security.Common.Interfaces;
+using Mirea.Api.Security.Common.Domain;
+using Mirea.Api.Security.Common.Interfaces;
 using System.Text.Json.Serialization;
 
-namespace Mirea.Api.Security.Common.Domain.OAuth2.UserInfo;
+namespace Mirea.Api.Security.Common.OAuth2.UserInfo;
 
 internal class GoogleUserInfo : IUserInfo
 {
diff --git a/Security/Common/Domain/OAuth2/UserInfo/MailRuUserInfo.cs b/Security/Common/OAuth2/UserInfo/MailRuUserInfo.cs
similarity index 85%
rename from Security/Common/Domain/OAuth2/UserInfo/MailRuUserInfo.cs
rename to Security/Common/OAuth2/UserInfo/MailRuUserInfo.cs
index 4920cdb..58a486f 100644
--- a/Security/Common/Domain/OAuth2/UserInfo/MailRuUserInfo.cs
+++ b/Security/Common/OAuth2/UserInfo/MailRuUserInfo.cs
@@ -1,7 +1,8 @@
-using Mirea.Api.Security.Common.Interfaces;
+using Mirea.Api.Security.Common.Domain;
+using Mirea.Api.Security.Common.Interfaces;
 using System.Text.Json.Serialization;
 
-namespace Mirea.Api.Security.Common.Domain.OAuth2.UserInfo;
+namespace Mirea.Api.Security.Common.OAuth2.UserInfo;
 
 internal class MailRuUserInfo : IUserInfo
 {
diff --git a/Security/Common/Domain/OAuth2/UserInfo/YandexUserInfo.cs b/Security/Common/OAuth2/UserInfo/YandexUserInfo.cs
similarity index 88%
rename from Security/Common/Domain/OAuth2/UserInfo/YandexUserInfo.cs
rename to Security/Common/OAuth2/UserInfo/YandexUserInfo.cs
index f1a9bab..8c05fa7 100644
--- a/Security/Common/Domain/OAuth2/UserInfo/YandexUserInfo.cs
+++ b/Security/Common/OAuth2/UserInfo/YandexUserInfo.cs
@@ -1,7 +1,8 @@
-using Mirea.Api.Security.Common.Interfaces;
+using Mirea.Api.Security.Common.Domain;
+using Mirea.Api.Security.Common.Interfaces;
 using System.Text.Json.Serialization;
 
-namespace Mirea.Api.Security.Common.Domain.OAuth2.UserInfo;
+namespace Mirea.Api.Security.Common.OAuth2.UserInfo;
 
 internal class YandexUserInfo : IUserInfo
 {
diff --git a/Security/Common/Domain/LoginOAuthResult.cs b/Security/Common/ViewModel/LoginOAuth.cs
similarity index 71%
rename from Security/Common/Domain/LoginOAuthResult.cs
rename to Security/Common/ViewModel/LoginOAuth.cs
index b3f0b1e..a720960 100644
--- a/Security/Common/Domain/LoginOAuthResult.cs
+++ b/Security/Common/ViewModel/LoginOAuth.cs
@@ -1,8 +1,8 @@
 using System;
 
-namespace Mirea.Api.Security.Common.Domain;
+namespace Mirea.Api.Security.Common.ViewModel;
 
-public class LoginOAuthResult
+public class LoginOAuth
 {
     public bool Success { get; set; }
     public required string Token { get; set; }
diff --git a/Security/Services/AuthService.cs b/Security/Services/AuthService.cs
index 645e7c3..97592b7 100644
--- a/Security/Services/AuthService.cs
+++ b/Security/Services/AuthService.cs
@@ -4,11 +4,13 @@ using Mirea.Api.Security.Common;
 using Mirea.Api.Security.Common.Domain;
 using Mirea.Api.Security.Common.Domain.Caching;
 using Mirea.Api.Security.Common.Interfaces;
+using Mirea.Api.Security.Common.Model;
 using System;
 using System.Security;
 using System.Text.Json;
 using System.Threading;
 using System.Threading.Tasks;
+using CookieOptions = Mirea.Api.Security.Common.Model.CookieOptions;
 
 namespace Mirea.Api.Security.Services;
 
@@ -94,7 +96,7 @@ public class AuthService(ICacheService cache, IAccessToken accessTokenService, I
         throw new SecurityException("Authentication failed. Please check your credentials.");
     }
 
-    private async Task GenerateAuthTokensAsync(CookieOptionsParameters cookieOptions, HttpContext context,
+    private async Task GenerateAuthTokensAsync(CookieOptions cookieOptions, HttpContext context,
         RequestContextInfo requestContext, string userId, CancellationToken cancellation = default)
     {
         var refreshToken = GenerateRefreshToken();
@@ -118,23 +120,7 @@ public class AuthService(ICacheService cache, IAccessToken accessTokenService, I
             authToken.Fingerprint);
     }
 
-    public async Task<TwoFactorAuthenticator> LoginOAuthAsync(CookieOptionsParameters cookieOptions, HttpContext context, User user,
-        CancellationToken cancellation = default)
-    {
-        var requestContext = new RequestContextInfo(context, cookieOptions);
-
-        if (user.TwoFactorAuthenticator == TwoFactorAuthenticator.None)
-        {
-            await GenerateAuthTokensAsync(cookieOptions, context, requestContext, user.Id, cancellation);
-            return TwoFactorAuthenticator.None;
-        }
-
-        await StoreFirstAuthTokenInCache(user, requestContext, cancellation);
-
-        return user.TwoFactorAuthenticator;
-    }
-
-    public async Task<bool> LoginAsync(CookieOptionsParameters cookieOptions, HttpContext context, TwoFactorAuthenticator authenticator, string code,
+    public async Task<bool> LoginAsync(CookieOptions cookieOptions, HttpContext context, TwoFactorAuthenticator authenticator, string code,
         CancellationToken cancellation = default)
     {
         var requestContext = new RequestContextInfo(context, cookieOptions);
@@ -176,12 +162,12 @@ public class AuthService(ICacheService cache, IAccessToken accessTokenService, I
         return true;
     }
 
-    public async Task<TwoFactorAuthenticator> LoginAsync(CookieOptionsParameters cookieOptions, User user, HttpContext context, string password,
-        string username, CancellationToken cancellation = default)
+    private async Task<TwoFactorAuthenticator> LoginAsync(CookieOptions cookieOptions,
+        HttpContext context,
+        User user,
+        CancellationToken cancellation = default)
     {
         var requestContext = new RequestContextInfo(context, cookieOptions);
-        username = username.Trim();
-        await VerifyUserOrThrowError(requestContext, user, password, username, cancellation);
 
         if (user.TwoFactorAuthenticator == TwoFactorAuthenticator.None)
         {
@@ -194,7 +180,27 @@ public class AuthService(ICacheService cache, IAccessToken accessTokenService, I
         return user.TwoFactorAuthenticator;
     }
 
-    public async Task RefreshTokenAsync(CookieOptionsParameters cookieOptions, HttpContext context, CancellationToken cancellation = default)
+    public Task<TwoFactorAuthenticator> LoginOAuthAsync(CookieOptions cookieOptions,
+        HttpContext context,
+        User user,
+        CancellationToken cancellation = default) =>
+            LoginAsync(cookieOptions, context, user, cancellation);
+
+    public async Task<TwoFactorAuthenticator> LoginAsync(CookieOptions cookieOptions,
+        HttpContext context,
+        User user,
+        string password,
+        string username,
+        CancellationToken cancellation = default)
+    {
+        var requestContext = new RequestContextInfo(context, cookieOptions);
+        username = username.Trim();
+        await VerifyUserOrThrowError(requestContext, user, password, username, cancellation);
+
+        return await LoginAsync(cookieOptions, context, user, cancellation);
+    }
+
+    public async Task RefreshTokenAsync(CookieOptions cookieOptions, HttpContext context, CancellationToken cancellation = default)
     {
         const string defaultMessageError = "The session time has expired";
         var requestContext = new RequestContextInfo(context, cookieOptions);
@@ -271,7 +277,7 @@ public class AuthService(ICacheService cache, IAccessToken accessTokenService, I
         cookieOptions.SetCookie(context, CookieNames.RefreshToken, authToken.RefreshToken, DateTime.UtcNow.Add(Lifetime));
     }
 
-    public async Task LogoutAsync(CookieOptionsParameters cookieOptions, HttpContext context, CancellationToken cancellation = default)
+    public async Task LogoutAsync(CookieOptions cookieOptions, HttpContext context, CancellationToken cancellation = default)
     {
         var requestContext = new RequestContextInfo(context, cookieOptions);
 
diff --git a/Security/Services/OAuthService.cs b/Security/Services/OAuthService.cs
index 8ba5018..cc0c3dc 100644
--- a/Security/Services/OAuthService.cs
+++ b/Security/Services/OAuthService.cs
@@ -1,9 +1,10 @@
 using Microsoft.AspNetCore.Http;
 using Microsoft.Extensions.Logging;
 using Mirea.Api.Security.Common.Domain;
-using Mirea.Api.Security.Common.Domain.OAuth2;
-using Mirea.Api.Security.Common.Domain.OAuth2.UserInfo;
 using Mirea.Api.Security.Common.Interfaces;
+using Mirea.Api.Security.Common.OAuth2;
+using Mirea.Api.Security.Common.OAuth2.UserInfo;
+using Mirea.Api.Security.Common.ViewModel;
 using System;
 using System.Collections.Generic;
 using System.IO;
@@ -15,6 +16,7 @@ using System.Text;
 using System.Text.Json;
 using System.Threading;
 using System.Threading.Tasks;
+using CookieOptions = Mirea.Api.Security.Common.Model.CookieOptions;
 
 namespace Mirea.Api.Security.Services;
 
@@ -165,6 +167,7 @@ public class OAuthService(ILogger<OAuthService> logger, Dictionary<OAuthProvider
     }
 
     public Uri GetProviderRedirect(HttpContext context, CookieOptionsParameters cookieOptions, string redirectUri,
+    public Uri GetProviderRedirect(HttpContext context, CookieOptions cookieOptions, string redirectUri,
         OAuthProvider provider, Uri callback)
     {
         var (clientId, _) = providers[provider];
@@ -195,10 +198,10 @@ public class OAuthService(ILogger<OAuthService> logger, Dictionary<OAuthProvider
     public (OAuthProvider Provider, Uri Redirect)[] GetAvailableProviders(string redirectUri) =>
         [.. providers.Select(x => (x.Key, new Uri(redirectUri.TrimEnd('/') + "/?provider=" + (int)x.Key)))];
 
-    public async Task<LoginOAuthResult> LoginOAuth(HttpContext context, CookieOptionsParameters cookieOptions,
+    public async Task<LoginOAuth> LoginOAuth(HttpContext context, CookieOptions cookieOptions,
         string redirectUrl, string code, string state, CancellationToken cancellation = default)
     {
-        var result = new LoginOAuthResult()
+        var result = new LoginOAuth()
         {
             Token = GeneratorKey.GenerateBase64(32)
         };
diff --git a/Security/Services/PasswordPolicyService.cs b/Security/Services/PasswordPolicyService.cs
index 63f421e..2179c9c 100644
--- a/Security/Services/PasswordPolicyService.cs
+++ b/Security/Services/PasswordPolicyService.cs
@@ -1,4 +1,4 @@
-using Mirea.Api.Security.Common.Domain;
+using Mirea.Api.Security.Common.Model;
 using System.Linq;
 using System.Security;