diff --git a/login.php b/login.php
index 3cc4afd4..9c4223d8 100644
--- a/login.php
+++ b/login.php
@@ -14,42 +14,8 @@
 
 includeLang('login');
 
-$sessionCookieKey = getSessionCookieKey();
-
-if($_POST)
-{
-    if ($_POST['uniSelect'] != LOGINPAGE_UNIVERSUMCODE) {
-        message($_Lang['Login_BadUniversum'], $_Lang['Err_Title']);
-    }
-
-    if (time() < SERVER_MAINOPEN_TSTAMP) {
-        $serverStartMessage = sprintf(
-            $_Lang['Login_UniversumNotStarted'],
-            prettyDate('d m Y', SERVER_MAINOPEN_TSTAMP, 1),
-            date('H:i:s', SERVER_MAINOPEN_TSTAMP)
-        );
-
-        message($serverStartMessage, $_Lang['Page_Title']);
-    }
-
-    $Username = trim($_POST['username']);
-    if (preg_match(REGEXP_USERNAME_ABSOLUTE, $Username)) {
-        $Search['mode'] = 1;
-        $Search['where'] = "`username` = '{$Username}'";
-        $Search['password'] = md5($_POST['password']);
-        $Search['IPHash'] = md5(Users\Session\getCurrentIP());
-
-        $rateLimitVerificationResult = Session\Utils\RateLimiter\verifyLoginRateLimit([
-            'ipHash' => $Search['IPHash'],
-        ]);
-
-        if ($rateLimitVerificationResult['isIpRateLimited']) {
-            $Search['error'] = 5;
-            $Search['where'] = '';
-        }
-    } else {
-        $Search['error'] = 1;
-    }
+if ($_POST) {
+    // TODO: Remove this useless block
 } else if (Session\Utils\Cookie\hasSessionCookie()) {
     $loginAttemptResult = Session\Input\CookieLogin\handleCookieLogin([]);
 
@@ -77,77 +43,63 @@
     }
 }
 
-if(!empty($Search['where']))
-{
-    $Query_User_Fields = "`id`, `username`, `password`, `isAI`";
-    $Query_User_GetData = "SELECT {$Query_User_Fields} FROM {{table}} WHERE {$Search['where']} LIMIT 1;";
-    $UserData = doquery($Query_User_GetData, 'users', true);
-    if($UserData['id'] > 0)
-    {
-        include_once($_EnginePath.'/includes/functions/IPandUA_Logger.php');
-
-        $PasswordOK = false;
-        if($Search['mode'] == 1 AND $UserData['password'] == $Search['password'])
-        {
-            $PasswordOK = true;
-        }
-        if($PasswordOK === true)
-        {
-            // User is ready to Login
-            if($Search['mode'] == 1)
-            {
-                if($_POST['rememberme'] == 'on')
-                {
-                    $Cookie_Expire = time() + TIME_YEAR;
-                    $Cookie_Remember = 1;
-                }
-                else
-                {
-                    $Cookie_Expire = 0;
-                    $Cookie_Remember = 0;
-                }
-
-                $Cookie_Set = Session\Utils\Cookie\packSessionCookie([
-                    'userId' => $UserData['id'],
-                    'username' => $UserData['username'],
-                    'obscuredPasswordHash' => Session\Utils\Cookie\createCookiePasswordHash([
-                        'passwordHash' => $UserData['password'],
-                    ]),
-                    'isRememberMeActive' => $Cookie_Remember,
-                ]);
-
-                setcookie($sessionCookieKey, $Cookie_Set, $Cookie_Expire, '/', '', false, true);
-            }
-
-            IPandUA_Logger($UserData);
-            header("Location: ./overview.php");
-            die();
-        }
-        else
-        {
-            $Search['error'] = 4;
-        }
+if ($_POST) {
+    include_once($_EnginePath . '/includes/functions/IPandUA_Logger.php');
+
+    $ipHash = md5(Users\Session\getCurrentIP());
+
+    $loginAttemptResult = Session\Input\LocalIdentityLogin\handleLocalIdentityLogin([
+        'input' => &$_POST,
+        'ipHash' => $ipHash,
+        'currentTimestamp' => time(),
+    ]);
+
+    if ($loginAttemptResult['isSuccess']) {
+        $userEntity = $loginAttemptResult['payload']['userEntity'];
+
+        IPandUA_Logger($userEntity, false);
+
+        Session\Utils\Redirects\redirectToOverview();
+
+        die();
     }
-    else
-    {
-        $Search['error'] = 3;
+
+    $Search['mode'] = 1;
+
+    Session\Utils\RateLimiter\updateLoginRateLimiterEntry([
+        'ipHash' => $ipHash,
+    ]);
+
+    if (isset($loginAttemptResult['error']['userEntity'])) {
+        $userEntity = $loginAttemptResult['error']['userEntity'];
+
+        IPandUA_Logger($userEntity, true);
+    }
+
+    switch ($loginAttemptResult['error']['code']) {
+        case 'INVALID_UNIVERSUM_CODE':
+            $Search['error'] = 6;
+            break;
+        case 'UNIVERSUM_NOT_OPEN_YET':
+            $Search['error'] = 7;
+            break;
+        case 'INVALID_USERNAME':
+            $Search['error'] = 1;
+            break;
+        case 'LOGIN_ATTEMPTS_RATE_LIMITED':
+            $Search['error'] = 5;
+            break;
+        case 'USER_NOT_FOUND':
+            $Search['error'] = 3;
+            break;
+        case 'INVALID_PASSWORD':
+            $Search['error'] = 4;
+            break;
     }
 }
+
 if(!empty($Search['error']))
 {
-    if (
-        $Search['mode'] == 1 &&
-        !empty($Search['IPHash'])
-    ) {
-        Session\Utils\RateLimiter\updateLoginRateLimiterEntry([
-            'ipHash' => $Search['IPHash'],
-        ]);
-    }
-
-    if($UserData['id'] > 0)
-    {
-        IPandUA_Logger($UserData, true);
-    }
     if($Search['error'] == 1)
     {
         message($_Lang['Login_BadSignsUser'], $_Lang['Err_Title']);
@@ -176,6 +128,19 @@
     {
         message($_Lang['Login_FailLoginProtection'], $_Lang['Err_Title']);
     }
+    elseif($Search['error'] == 6) {
+        message($_Lang['Login_BadUniversum'], $_Lang['Err_Title']);
+    }
+    elseif($Search['error'] == 7)
+    {
+        $errorMessage = $serverStartMessage = sprintf(
+            $_Lang['Login_UniversumNotStarted'],
+            prettyDate('d m Y', SERVER_MAINOPEN_TSTAMP, 1),
+            date('H:i:s', SERVER_MAINOPEN_TSTAMP)
+        );
+
+        message($errorMessage, $_Lang['Err_Title']);
+    }
     else
     {
         message($_Lang['Login_UnknownError'], $_Lang['Err_Title']);
diff --git a/modules/session/_includes.php b/modules/session/_includes.php
index 54fd5cd2..05700b9f 100644
--- a/modules/session/_includes.php
+++ b/modules/session/_includes.php
@@ -7,6 +7,7 @@
     $includePath = $_EnginePath . 'modules/session/';
 
     include($includePath . './input/cookieLogin.inputHandler.php');
+    include($includePath . './input/localIdentityLogin.inputHandler.php');
 
     include($includePath . './screens/LoginView/LoginView.component.php');
     include($includePath . './screens/LoginView/components/LoginForm/LoginForm.component.php');
diff --git a/modules/session/input/localIdentityLogin.inputHandler.php b/modules/session/input/localIdentityLogin.inputHandler.php
new file mode 100644
index 00000000..d1510de5
--- /dev/null
+++ b/modules/session/input/localIdentityLogin.inputHandler.php
@@ -0,0 +1,118 @@
+<?php
+
+namespace UniEngine\Engine\Modules\Session\Input\LocalIdentityLogin;
+
+use UniEngine\Engine\Includes\Helpers\Users;
+use UniEngine\Engine\Modules\Session;
+
+//  Arguments:
+//      - $params
+//
+function handleLocalIdentityLogin($params) {
+    $createSuccess = function ($payload) {
+        return [
+            'isSuccess' => true,
+            'payload' => $payload,
+        ];
+    };
+    $createFailure = function ($error) {
+        return [
+            'isSuccess' => false,
+            'error' => $error,
+        ];
+    };
+
+    $input = &$params['input'];
+    $ipHash = $params['ipHash'];
+    $currentTimestamp = $params['currentTimestamp'];
+
+    if ($input['uniSelect'] != LOGINPAGE_UNIVERSUMCODE) {
+        return $createFailure([
+            'code' => 'INVALID_UNIVERSUM_CODE',
+        ]);
+    }
+
+    $serverOpeningTimestamp = SERVER_MAINOPEN_TSTAMP;
+
+    if ($currentTimestamp < $serverOpeningTimestamp) {
+        return $createFailure([
+            'code' => 'UNIVERSUM_NOT_OPEN_YET',
+            'openingTimestamp' => $serverOpeningTimestamp,
+        ]);
+    }
+
+    $inputUsername = trim($input['username']);
+
+    if (!preg_match(REGEXP_USERNAME_ABSOLUTE, $inputUsername)) {
+        return $createFailure([
+            'code' => 'INVALID_USERNAME',
+        ]);
+    }
+
+    $rateLimitVerificationResult = Session\Utils\RateLimiter\verifyLoginRateLimit([
+        'ipHash' => $ipHash,
+    ]);
+
+    if ($rateLimitVerificationResult['isIpRateLimited']) {
+        return $createFailure([
+            'code' => 'LOGIN_ATTEMPTS_RATE_LIMITED',
+        ]);
+    }
+
+    $Query_User_Fields = "`id`, `username`, `password`, `isAI`";
+    $Query_User_GetData = "SELECT {$Query_User_Fields} FROM {{table}} WHERE `username` = '{$inputUsername}' LIMIT 1;";
+    $userEntity = doquery($Query_User_GetData, 'users', true);
+
+    if (
+        !$userEntity ||
+        $userEntity['id'] <= 0
+    ) {
+        return $createFailure([
+            'code' => 'USER_NOT_FOUND',
+        ]);
+    }
+
+    $inputPassword = $input['password'];
+    $inputPasswordHash = md5($inputPassword);
+    $dbPasswordHash = $userEntity['password'];
+
+    if ($inputPasswordHash !== $dbPasswordHash) {
+        return $createFailure([
+            'code' => 'INVALID_PASSWORD',
+            'userEntity' => $userEntity,
+        ]);
+    }
+
+    $isRememberMeEnabled = ($input['rememberme'] == 'on');
+
+    $sessionCookieKey = getSessionCookieKey();
+    $sessionCookieValue = Session\Utils\Cookie\packSessionCookie([
+        'userId' => $userEntity['id'],
+        'username' => $userEntity['username'],
+        'obscuredPasswordHash' => Session\Utils\Cookie\createCookiePasswordHash([
+            'passwordHash' => $dbPasswordHash,
+        ]),
+        'isRememberMeActive' => ($isRememberMeEnabled ? 1 : 0),
+    ]);
+    $sessionCookieExpirationTimestamp = (
+        $isRememberMeEnabled ?
+            ($currentTimestamp + TIME_YEAR) :
+            0
+    );
+
+    setcookie(
+        $sessionCookieKey,
+        $sessionCookieValue,
+        $sessionCookieExpirationTimestamp,
+        '/',
+        '',
+        false,
+        true
+    );
+
+    return $createSuccess([
+        'userEntity' => $userEntity,
+    ]);
+}
+
+?>