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<?php declare(strict_types=1); namespace PhpMyAdmin; use PhpMyAdmin\Controllers\Database\SqlController; use function defined; use function strlen; final class DbTableExists { /** * Ensure the database and the table exist (else move to the "parent" script) * and display headers */ public static function check(): void { self::checkDatabase(); self::checkTable(); } private static function checkDatabase(): void { global $db, $dbi, $is_db, $message, $show_as_php, $sql_query; if (! empty($is_db)) { return; } $is_db = false; if (strlen($db) > 0) { $is_db = @$dbi->selectDb($db); } if ($is_db || defined('IS_TRANSFORMATION_WRAPPER')) { return; } $response = Response::getInstance(); if ($response->isAjax()) { $response->setRequestStatus(false); $response->addJSON( 'message', Message::error(__('No databases selected.')) ); exit; } $url_params = ['reload' => 1]; if (isset($message)) { $url_params['message'] = $message; } if (! empty($sql_query)) { $url_params['sql_query'] = $sql_query; } if (isset($show_as_php)) { $url_params['show_as_php'] = $show_as_php; } Core::sendHeaderLocation('./index.php?route=/' . Url::getCommonRaw($url_params, '&')); exit; } private static function checkTable(): void { global $containerBuilder, $db, $table, $dbi, $is_table; if (! empty($is_table) || defined('PMA_SUBMIT_MULT') || defined('TABLE_MAY_BE_ABSENT') ) { return; } $is_table = false; if (strlen($table) > 0) { $is_table = $dbi->getCache()->getCachedTableContent([$db, $table], false); if ($is_table) { return; } $_result = $dbi->tryQuery( 'SHOW TABLES LIKE \'' . $dbi->escapeString($table) . '\';', DatabaseInterface::CONNECT_USER, DatabaseInterface::QUERY_STORE ); $is_table = @$dbi->numRows($_result); $dbi->freeResult($_result); } if ($is_table) { return; } if (defined('IS_TRANSFORMATION_WRAPPER')) { exit; } if (strlen($table) > 0) { /** * SHOW TABLES doesn't show temporary tables, so try select * (as it can happen just in case temporary table, it should be fast): */ $_result = $dbi->tryQuery( 'SELECT COUNT(*) FROM ' . Util::backquote($table) . ';', DatabaseInterface::CONNECT_USER, DatabaseInterface::QUERY_STORE ); $is_table = ($_result && @$dbi->numRows($_result)); $dbi->freeResult($_result); } if ($is_table) { return; } /** @var SqlController $controller */ $controller = $containerBuilder->get(SqlController::class); $controller->index(); exit; } }