초기 커밋: 5130 레거시 시스템

- URL 하드코딩 → .env APP_URL 기반 동적 URL로 변경
- DB 연결 하드코딩 → .env 기반으로 변경
- MySQL strict mode DATE 오류 수정

DBcontrol/libraries/classes/Plugins/TwoFactor/Invalid.php

@@ -0,0 +1,62 @@
+<?php
+/**
+ * Second authentication factor handling
+ */
+
+declare(strict_types=1);
+
+namespace PhpMyAdmin\Plugins\TwoFactor;
+
+use PhpMyAdmin\Plugins\TwoFactorPlugin;
+
+/**
+ * Invalid two-factor authentication showing that configured choice is not available.
+ */
+class Invalid extends TwoFactorPlugin
+{
+    /** @var string */
+    public static $id = 'invalid';
+
+    /** @var bool */
+    public static $showSubmit = false;
+
+    /**
+     * Checks authentication, returns true on success
+     *
+     * @return bool
+     */
+    public function check()
+    {
+        return false;
+    }
+
+    /**
+     * Renders user interface to enter two-factor authentication
+     *
+     * @return string HTML code
+     */
+    public function render()
+    {
+        return $this->template->render('login/twofactor/invalid');
+    }
+
+    /**
+     * Get user visible name
+     *
+     * @return string
+     */
+    public static function getName()
+    {
+        return 'Invalid two-factor authentication';
+    }
+
+    /**
+     * Get user visible description
+     *
+     * @return string
+     */
+    public static function getDescription()
+    {
+        return 'Error fallback only!';
+    }
+}