138 lines
4.3 KiB
PHP
138 lines
4.3 KiB
PHP
<?php
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declare(strict_types=1);
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namespace PhpMyAdmin\Controllers\Server;
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use PhpMyAdmin\Controllers\AbstractController;
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use PhpMyAdmin\DatabaseInterface;
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use PhpMyAdmin\Html\Generator;
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use PhpMyAdmin\Providers\ServerVariables\ServerVariablesProvider;
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use PhpMyAdmin\ResponseRenderer;
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use PhpMyAdmin\Template;
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use PhpMyAdmin\Url;
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use PhpMyAdmin\Util;
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use function implode;
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use function in_array;
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use function is_numeric;
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use function str_replace;
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use function strtolower;
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use function trim;
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/**
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* Handles viewing and editing server variables
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*/
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class VariablesController extends AbstractController
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{
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/** @var DatabaseInterface */
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private $dbi;
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public function __construct(ResponseRenderer $response, Template $template, DatabaseInterface $dbi)
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{
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parent::__construct($response, $template);
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$this->dbi = $dbi;
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}
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public function __invoke(): void
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{
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global $errorUrl;
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$params = ['filter' => $_GET['filter'] ?? null];
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$errorUrl = Url::getFromRoute('/');
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if ($this->dbi->isSuperUser()) {
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$this->dbi->selectDb('mysql');
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}
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$filterValue = ! empty($params['filter']) ? $params['filter'] : '';
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$this->addScriptFiles(['server/variables.js']);
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$variables = [];
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$serverVarsResult = $this->dbi->tryQuery('SHOW SESSION VARIABLES;');
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if ($serverVarsResult !== false) {
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$serverVarsSession = $serverVarsResult->fetchAllKeyPair();
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unset($serverVarsResult);
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$serverVars = $this->dbi->fetchResult('SHOW GLOBAL VARIABLES;', 0, 1);
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// list of static (i.e. non-editable) system variables
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$staticVariables = ServerVariablesProvider::getImplementation()->getStaticVariables();
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foreach ($serverVars as $name => $value) {
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$hasSessionValue = isset($serverVarsSession[$name])
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&& $serverVarsSession[$name] !== $value;
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$docLink = Generator::linkToVarDocumentation(
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$name,
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$this->dbi->isMariaDB(),
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str_replace('_', ' ', $name)
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);
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[$formattedValue, $isEscaped] = $this->formatVariable($name, $value);
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if ($hasSessionValue) {
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[$sessionFormattedValue] = $this->formatVariable($name, $serverVarsSession[$name]);
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}
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$variables[] = [
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'name' => $name,
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'is_editable' => ! in_array(strtolower($name), $staticVariables),
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'doc_link' => $docLink,
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'value' => $formattedValue,
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'is_escaped' => $isEscaped,
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'has_session_value' => $hasSessionValue,
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'session_value' => $sessionFormattedValue ?? null,
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];
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}
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}
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$this->render('server/variables/index', [
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'variables' => $variables,
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'filter_value' => $filterValue,
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'is_superuser' => $this->dbi->isSuperUser(),
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'is_mariadb' => $this->dbi->isMariaDB(),
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]);
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}
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/**
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* Format Variable
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*
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* @param string $name variable name
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* @param int|string $value variable value
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*
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* @return array formatted string and bool if string is HTML formatted
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*/
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private function formatVariable($name, $value): array
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{
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$isHtmlFormatted = false;
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$formattedValue = $value;
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if (is_numeric($value)) {
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$variableType = ServerVariablesProvider::getImplementation()->getVariableType($name);
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if ($variableType === 'byte') {
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$isHtmlFormatted = true;
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/** @var string[] $bytes */
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$bytes = Util::formatByteDown($value, 3, 3);
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$formattedValue = trim(
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$this->template->render(
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'server/variables/format_variable',
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[
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'valueTitle' => Util::formatNumber($value, 0),
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'value' => implode(' ', $bytes),
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]
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)
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);
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} else {
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$formattedValue = Util::formatNumber($value, 0);
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}
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}
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return [
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$formattedValue,
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$isHtmlFormatted,
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];
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}
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}
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