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