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Current File : /var/www/html/antarctic-drupal-7.89/myadmin/libraries/classes/DbTableExists.php |
<?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;
}
}
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