phpmyadmin/libraries/classes/Controllers/Database/ExportController.php

<?php
/**
 * @package PhpMyAdmin\Controllers\Database
 */
declare(strict_types=1);

namespace PhpMyAdmin\Controllers\Database;

use PhpMyAdmin\Common;
use PhpMyAdmin\Config\PageSettings;
use PhpMyAdmin\DatabaseInterface;
use PhpMyAdmin\Display\Export as DisplayExport;
use PhpMyAdmin\Export;
use PhpMyAdmin\Message;
use PhpMyAdmin\Response;
use PhpMyAdmin\Template;
use PhpMyAdmin\Url;
use PhpMyAdmin\Util;

/**
 * @package PhpMyAdmin\Controllers\Database
 */
final class ExportController extends AbstractController
{
    /** @var Export */
    private $export;

    /**
     * @param Response          $response A Response instance.
     * @param DatabaseInterface $dbi      A DatabaseInterface instance.
     * @param Template          $template A Template instance.
     * @param string            $db       Database name.
     * @param Export            $export   An Export instance.
     */
    public function __construct($response, $dbi, Template $template, $db, Export $export)
    {
        parent::__construct($response, $dbi, $template, $db);
        $this->export = $export;
    }

    /**
     * @return void
     */
    public function index(): void
    {
        global $db, $table, $url_query, $sub_part, $url_params, $sql_query;
        global $tables, $num_tables, $total_num_tables, $is_show_stats, $db_is_system_schema, $tooltip_truename;
        global $tooltip_aliasname, $pos, $export_page_title, $multi_values, $force_val, $table_select, $unlim_num_rows;

        PageSettings::showGroup('Export');

        $header = $this->response->getHeader();
        $scripts = $header->getScripts();
        $scripts->addFile('export.js');

        // $sub_part is used in Util::getDbInfo() to see if we are coming from
        // /database/export, in which case we don't obey $cfg['MaxTableList']
        $sub_part  = '_export';

        Common::database();

        $url_params['goto'] = Url::getFromRoute('/database/export');
        $url_query .= Url::getCommon($url_params, '&');

        list(
            $tables,
            $num_tables,
            $total_num_tables,
            $sub_part,
            $is_show_stats,
            $db_is_system_schema,
            $tooltip_truename,
            $tooltip_aliasname,
            $pos
        ) = Util::getDbInfo($db, $sub_part ?? '');

        /**
         * Displays the form
         */
        $export_page_title = __('View dump (schema) of database');

        // exit if no tables in db found
        if ($num_tables < 1) {
            $this->response->addHTML(
                Message::error(__('No tables found in database.'))->getDisplay()
            );
            return;
        } // end if

        $multi_values  = '<div class="export_table_list_container">';
        if (isset($_POST['structure_or_data_forced'])) {
            $force_val = htmlspecialchars($_POST['structure_or_data_forced']);
        } else {
            $force_val = 0;
        }
        $multi_values .= '<input type="hidden" name="structure_or_data_forced" value="'
            . $force_val . '">';
        $multi_values .= '<table class="export_table_select">'
            . '<thead><tr><th></th>'
            . '<th>' . __('Tables') . '</th>'
            . '<th class="export_structure">' . __('Structure') . '</th>'
            . '<th class="export_data">' . __('Data') . '</th>'
            . '</tr><tr>'
            . '<td></td>'
            . '<td class="export_table_name all">' . __('Select all') . '</td>'
            . '<td class="export_structure all">'
            . '<input type="checkbox" id="table_structure_all"></td>'
            . '<td class="export_data all"><input type="checkbox" id="table_data_all">'
            . '</td>'
            . '</tr></thead>'
            . '<tbody>';
        $multi_values .= "\n";

        // when called by libraries/mult_submits.inc.php
        if (! empty($_POST['selected_tbl']) && empty($table_select)) {
            $table_select = $_POST['selected_tbl'];
        }

        foreach ($tables as $each_table) {
            if (isset($_POST['table_select']) && is_array($_POST['table_select'])) {
                $is_checked = $this->export->getCheckedClause(
                    $each_table['Name'],
                    $_POST['table_select']
                );
            } elseif (isset($table_select)) {
                $is_checked = $this->export->getCheckedClause(
                    $each_table['Name'],
                    $table_select
                );
            } else {
                $is_checked = ' checked="checked"';
            }
            if (isset($_POST['table_structure']) && is_array($_POST['table_structure'])) {
                $structure_checked = $this->export->getCheckedClause(
                    $each_table['Name'],
                    $_POST['table_structure']
                );
            } else {
                $structure_checked = $is_checked;
            }
            if (isset($_POST['table_data']) && is_array($_POST['table_data'])) {
                $data_checked = $this->export->getCheckedClause(
                    $each_table['Name'],
                    $_POST['table_data']
                );
            } else {
                $data_checked = $is_checked;
            }
            $table_html = htmlspecialchars($each_table['Name']);
            $multi_values .= '<tr class="marked">';
            $multi_values .= '<td><input type="checkbox" name="table_select[]"'
                . ' value="' . $table_html . '"' . $is_checked . ' class="checkall"></td>';
            $multi_values .= '<td class="export_table_name">'
                . str_replace(' ', '&nbsp;', $table_html) . '</td>';
            $multi_values .= '<td class="export_structure">'
                . '<input type="checkbox" name="table_structure[]"'
                . ' value="' . $table_html . '"' . $structure_checked . '></td>';
            $multi_values .= '<td class="export_data">'
                . '<input type="checkbox" name="table_data[]"'
                . ' value="' . $table_html . '"' . $data_checked . '></td>';
            $multi_values .= '</tr>';
        } // end for

        $multi_values .= "\n";
        $multi_values .= '</tbody></table></div>';

        if (! isset($sql_query)) {
            $sql_query = '';
        }
        if (! isset($num_tables)) {
            $num_tables = 0;
        }
        if (! isset($unlim_num_rows)) {
            $unlim_num_rows = 0;
        }

        $displayExport = new DisplayExport();
        $this->response->addHTML(
            $displayExport->getDisplay(
                'database',
                $db,
                $table,
                $sql_query,
                $num_tables,
                $unlim_num_rows,
                $multi_values
            )
        );
    }
}