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Current File : //usr/share/phpmyadmin/libraries/classes/Controllers/LintController.php

<?php
/**
 * Represents the interface between the linter and the query editor.
 */

declare(strict_types=1);

namespace PhpMyAdmin\Controllers;

use PhpMyAdmin\Core;
use PhpMyAdmin\Linter;
use function json_encode;

/**
 * Represents the interface between the linter and the query editor.
 */
class LintController extends AbstractController
{
    public function index(): void
    {
        $params = [
            'sql_query' => $_POST['sql_query'] ?? null,
            'options' => $_POST['options'] ?? null,
        ];

        /**
         * The SQL query to be analyzed.
         *
         * This does not need to be checked again XSS or MySQL injections because it is
         * never executed, just parsed.
         *
         * The client, which will receive the JSON response will decode the message and
         * and any HTML fragments that are displayed to the user will be encoded anyway.
         *
         * @var string
         */
        $sqlQuery = ! empty($params['sql_query']) ? $params['sql_query'] : '';

        $this->response->setAjax(true);

        // Disabling standard response.
        $this->response->disable();

        Core::headerJSON();

        if (! empty($params['options'])) {
            $options = $params['options'];

            if (! empty($options['routine_editor'])) {
                $sqlQuery = 'CREATE PROCEDURE `a`() ' . $sqlQuery;
            } elseif (! empty($options['trigger_editor'])) {
                $sqlQuery = 'CREATE TRIGGER `a` AFTER INSERT ON `b` FOR EACH ROW ' . $sqlQuery;
            } elseif (! empty($options['event_editor'])) {
                $sqlQuery = 'CREATE EVENT `a` ON SCHEDULE EVERY MINUTE DO ' . $sqlQuery;
            }
        }

        echo json_encode(Linter::lint($sqlQuery));
    }
}