gl-website-deployer/admin/phpMyAdmin/libraries/classes/Controllers/Server/BinlogController.php

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2024-11-19 08:02:04 +01:00
<?php
declare(strict_types=1);
namespace PhpMyAdmin\Controllers\Server;
use PhpMyAdmin\Controllers\AbstractController;
use PhpMyAdmin\DatabaseInterface;
use PhpMyAdmin\Html\Generator;
use PhpMyAdmin\Message;
use PhpMyAdmin\ResponseRenderer;
use PhpMyAdmin\Template;
use PhpMyAdmin\Url;
use PhpMyAdmin\Util;
use function array_key_exists;
/**
* Handles viewing binary logs
*/
class BinlogController extends AbstractController
{
/**
* binary log files
*
* @var array
*/
protected $binaryLogs;
/** @var DatabaseInterface */
private $dbi;
public function __construct(ResponseRenderer $response, Template $template, DatabaseInterface $dbi)
{
parent::__construct($response, $template);
$this->dbi = $dbi;
$this->binaryLogs = $this->dbi->fetchResult(
'SHOW MASTER LOGS',
'Log_name'
);
}
public function __invoke(): void
{
global $cfg, $errorUrl;
$params = [
'log' => $_POST['log'] ?? null,
'pos' => $_POST['pos'] ?? null,
'is_full_query' => $_POST['is_full_query'] ?? null,
];
$errorUrl = Url::getFromRoute('/');
if ($this->dbi->isSuperUser()) {
$this->dbi->selectDb('mysql');
}
$position = ! empty($params['pos']) ? (int) $params['pos'] : 0;
$urlParams = [];
if (isset($params['log']) && array_key_exists($params['log'], $this->binaryLogs)) {
$urlParams['log'] = $params['log'];
}
$isFullQuery = false;
if (! empty($params['is_full_query'])) {
$isFullQuery = true;
$urlParams['is_full_query'] = 1;
}
$sqlQuery = $this->getSqlQuery($params['log'] ?? '', $position, (int) $cfg['MaxRows']);
$result = $this->dbi->query($sqlQuery);
$numRows = $result->numRows();
$previousParams = $urlParams;
$fullQueriesParams = $urlParams;
$nextParams = $urlParams;
if ($position > 0) {
$fullQueriesParams['pos'] = $position;
if ($position > $cfg['MaxRows']) {
$previousParams['pos'] = $position - $cfg['MaxRows'];
}
}
$fullQueriesParams['is_full_query'] = 1;
if ($isFullQuery) {
unset($fullQueriesParams['is_full_query']);
}
if ($numRows >= $cfg['MaxRows']) {
$nextParams['pos'] = $position + $cfg['MaxRows'];
}
$values = $result->fetchAllAssoc();
$this->render('server/binlog/index', [
'url_params' => $urlParams,
'binary_logs' => $this->binaryLogs,
'log' => $params['log'],
'sql_message' => Generator::getMessage(Message::success(), $sqlQuery),
'values' => $values,
'has_previous' => $position > 0,
'has_next' => $numRows >= $cfg['MaxRows'],
'previous_params' => $previousParams,
'full_queries_params' => $fullQueriesParams,
'next_params' => $nextParams,
'has_icons' => Util::showIcons('TableNavigationLinksMode'),
'is_full_query' => $isFullQuery,
]);
}
/**
* @param string $log Binary log file name
* @param int $position Position to display
* @param int $maxRows Maximum number of rows
*/
private function getSqlQuery(
string $log,
int $position,
int $maxRows
): string {
$sqlQuery = 'SHOW BINLOG EVENTS';
if (! empty($log)) {
$sqlQuery .= ' IN \'' . $log . '\'';
}
$sqlQuery .= ' LIMIT ' . $position . ', ' . $maxRows;
return $sqlQuery;
}
}