2021-03-31 21:56:49 -04:00

89 lines
2.0 KiB
PHP

<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Provides download to a given field defined in parameters.
*
* @package PhpMyAdmin
*/
declare(strict_types=1);
use PhpMyAdmin\Core;
use PhpMyAdmin\DatabaseInterface;
use PhpMyAdmin\Mime;
use PhpMyAdmin\Response;
if (! defined('ROOT_PATH')) {
define('ROOT_PATH', __DIR__ . DIRECTORY_SEPARATOR);
}
require_once ROOT_PATH . 'libraries/common.inc.php';
/** @var Response $response */
$response = $containerBuilder->get(Response::class);
/** @var DatabaseInterface $dbi */
$dbi = $containerBuilder->get(DatabaseInterface::class);
/** @var string $db */
$db = $containerBuilder->getParameter('db');
/** @var string $table */
$table = $containerBuilder->getParameter('table');
$response->disable();
/* Check parameters */
PhpMyAdmin\Util::checkParameters(
[
'db',
'table',
]
);
/* Select database */
if (! $dbi->selectDb($db)) {
PhpMyAdmin\Util::mysqlDie(
sprintf(__('\'%s\' database does not exist.'), htmlspecialchars($db)),
'',
false
);
}
/* Check if table exists */
if (! $dbi->getColumns($db, $table)) {
PhpMyAdmin\Util::mysqlDie(__('Invalid table name'));
}
if (! isset($_GET['where_clause'])
|| ! isset($_GET['where_clause_sign'])
|| ! Core::checkSqlQuerySignature($_GET['where_clause'], $_GET['where_clause_sign'])
) {
/* l10n: In case a SQL query did not pass a security check */
Core::fatalError(__('There is an issue with your request.'));
exit;
}
/* Grab data */
$sql = 'SELECT ' . PhpMyAdmin\Util::backquote($_GET['transform_key'])
. ' FROM ' . PhpMyAdmin\Util::backquote($table)
. ' WHERE ' . $_GET['where_clause'] . ';';
$result = $dbi->fetchValue($sql);
/* Check return code */
if ($result === false) {
PhpMyAdmin\Util::mysqlDie(
__('MySQL returned an empty result set (i.e. zero rows).'),
$sql
);
}
/* Avoid corrupting data */
ini_set('url_rewriter.tags', '');
Core::downloadHeader(
$table . '-' . $_GET['transform_key'] . '.bin',
Mime::detect($result),
strlen($result)
);
echo $result;