38009efb65
- Uses preferential mode MySQL docs for MySQL users and MariaDB docs for MariaDB users - Unit tests now use data that only exists for tests - Added package williamdes/mariadb-mysql-kbs Signed-off-by: William Desportes <williamdes@wdes.fr>
379 lines
11 KiB
PHP
379 lines
11 KiB
PHP
<?php
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/* vim: set expandtab sw=4 ts=4 sts=4: */
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/**
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* Holds the PhpMyAdmin\Controllers\Server\ServerVariablesController
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*
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* @package PhpMyAdmin\Controllers
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*/
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declare(strict_types=1);
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namespace PhpMyAdmin\Controllers\Server;
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use PhpMyAdmin\Controllers\Controller;
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use PhpMyAdmin\Message;
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use PhpMyAdmin\Response;
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use PhpMyAdmin\Server\Common;
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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 Williamdes\MariaDBMySQLKBS\Search as KBSearch;
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use Williamdes\MariaDBMySQLKBS\KBException;
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/**
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* Handles viewing and editing server variables
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*
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* @package PhpMyAdmin\Controllers
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*/
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class ServerVariablesController extends Controller
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{
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/**
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* Constructs ServerVariablesController
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*
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* @param \PhpMyAdmin\Response $response Response object
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* @param \PhpMyAdmin\DatabaseInterface $dbi DatabaseInterface object
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*/
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public function __construct($response, $dbi)
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{
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parent::__construct($response, $dbi);
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}
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/**
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* Index action
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*
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* @return void
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*/
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public function indexAction()
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{
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$response = Response::getInstance();
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if ($response->isAjax()
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&& isset($_REQUEST['type'])
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&& $_REQUEST['type'] === 'getval'
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) {
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$this->getValueAction();
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return;
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}
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if ($response->isAjax()
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&& isset($_REQUEST['type'])
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&& $_REQUEST['type'] === 'setval'
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) {
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$this->setValueAction();
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return;
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}
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include 'libraries/server_common.inc.php';
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$header = $this->response->getHeader();
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$scripts = $header->getScripts();
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$scripts->addFile('server_variables.js');
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/**
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* Displays the sub-page heading
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*/
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$this->response->addHTML(
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$this->template->render('server/sub_page_header', [
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'type' => 'variables',
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'link' => 'server_system_variables',
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])
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);
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/**
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* Sends the queries and buffers the results
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*/
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$serverVarsResult = $this->dbi->tryQuery('SHOW SESSION VARIABLES;');
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if ($serverVarsResult !== false) {
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$serverVarsSession = [];
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while ($arr = $this->dbi->fetchRow($serverVarsResult)) {
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$serverVarsSession[$arr[0]] = $arr[1];
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}
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$this->dbi->freeResult($serverVarsResult);
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$serverVars = $this->dbi->fetchResult('SHOW GLOBAL VARIABLES;', 0, 1);
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/**
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* Link templates
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*/
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$this->response->addHtml($this->_getHtmlForLinkTemplates());
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/**
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* Displays the page
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*/
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$this->response->addHtml(
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$this->_getHtmlForServerVariables($serverVars, $serverVarsSession)
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);
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} else {
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/**
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* Display the error message
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*/
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$this->response->addHTML(
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Message::error(
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sprintf(
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__(
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'Not enough privilege to view server variables and '
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. 'settings. %s'
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),
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Util::linkToVarDocumentation(
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'show_compatibility_56',
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$this->dbi->isMariaDB()
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)
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)
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)->getDisplay()
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);
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}
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}
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/**
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* Handle the AJAX request for a single variable value
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*
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* @return void
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*/
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public function getValueAction()
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{
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// Send with correct charset
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header('Content-Type: text/html; charset=UTF-8');
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// Do not use double quotes inside the query to avoid a problem
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// when server is running in ANSI_QUOTES sql_mode
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$varValue = $this->dbi->fetchSingleRow(
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'SHOW GLOBAL VARIABLES WHERE Variable_name=\''
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. $this->dbi->escapeString($_REQUEST['varName']) . '\';',
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'NUM'
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);
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try {
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$type = KBSearch::getVariableType($_REQUEST['varName']);
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if ($type === 'byte') {
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$this->response->addJSON(
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'message',
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implode(
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' ',
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Util::formatByteDown($varValue[1], 3, 3)
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)
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);
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} else {
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throw new KBException("Not a type=byte");
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}
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} catch (KBException $e){
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$this->response->addJSON(
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'message',
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$varValue[1]
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);
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}
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}
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/**
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* Handle the AJAX request for setting value for a single variable
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*
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* @return void
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*/
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public function setValueAction()
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{
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$value = $_REQUEST['varValue'];
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$matches = [];
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try {
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$type = KBSearch::getVariableType($_REQUEST['varName']);
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if ($type === 'byte' && preg_match(
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'/^\s*(\d+(\.\d+)?)\s*(mb|kb|mib|kib|gb|gib)\s*$/i',
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$value,
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$matches
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)) {
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$exp = [
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'kb' => 1,
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'kib' => 1,
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'mb' => 2,
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'mib' => 2,
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'gb' => 3,
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'gib' => 3
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];
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$value = floatval($matches[1]) * pow(
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1024,
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$exp[mb_strtolower($matches[3])]
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);
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} else {
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throw new KBException("Not a type=byte or regex not matching");
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}
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} catch (KBException $e){
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$value = $this->dbi->escapeString($value);
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}
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if (! is_numeric($value)) {
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$value = "'" . $value . "'";
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}
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if (! preg_match("/[^a-zA-Z0-9_]+/", $_REQUEST['varName'])
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&& $this->dbi->query(
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'SET GLOBAL ' . $_REQUEST['varName'] . ' = ' . $value
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)
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) {
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// Some values are rounded down etc.
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$varValue = $this->dbi->fetchSingleRow(
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'SHOW GLOBAL VARIABLES WHERE Variable_name="'
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. $this->dbi->escapeString($_REQUEST['varName'])
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. '";',
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'NUM'
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);
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list($formattedValue, $isHtmlFormatted) = $this->_formatVariable(
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$_REQUEST['varName'],
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$varValue[1]
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);
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if ($isHtmlFormatted == false) {
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$this->response->addJSON(
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'variable',
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htmlspecialchars(
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$formattedValue
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)
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);
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} else {
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$this->response->addJSON(
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'variable',
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$formattedValue
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);
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}
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} else {
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$this->response->setRequestStatus(false);
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$this->response->addJSON(
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'error',
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__('Setting variable failed')
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);
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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 integer $value variable value
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*
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* @return array formatted string and bool if string is HTML formatted
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*/
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private function _formatVariable($name, $value)
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{
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$isHtmlFormatted = false;
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$formattedValue = $value;
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if (is_numeric($value)) {
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try {
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$type = KBSearch::getVariableType($name);
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if ($type === 'byte') {
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$isHtmlFormatted = true;
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$formattedValue = '<abbr title="'
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. htmlspecialchars(Util::formatNumber($value, 0)) . '">'
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. htmlspecialchars(
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implode(' ', Util::formatByteDown($value, 3, 3))
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)
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. '</abbr>';
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} else {
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throw new KBException("Not a type=byte or regex not matching");
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}
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} catch (KBException $e){
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$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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$isHtmlFormatted
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];
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}
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/**
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* Prints link templates
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*
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* @return string
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*/
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private function _getHtmlForLinkTemplates()
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{
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$url = 'server_variables.php' . Url::getCommon();
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return $this->template->render('server/variables/link_template', ['url' => $url]);
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}
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/**
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* Prints Html for Server Variables
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*
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* @param array $serverVars global variables
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* @param array $serverVarsSession session variables
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*
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* @return string
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*/
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private function _getHtmlForServerVariables(array $serverVars, array $serverVarsSession)
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{
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// filter
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$filterValue = ! empty($_REQUEST['filter']) ? $_REQUEST['filter'] : '';
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$output = $this->template->render('filter', ['filter_value' => $filterValue]);
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$output .= '<div class="responsivetable">';
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$output .= '<table id="serverVariables" class="width100 data filteredData noclick">';
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$output .= $this->template->render('server/variables/variable_table_head');
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$output .= '<tbody>';
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$output .= $this->_getHtmlForServerVariablesItems(
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$serverVars,
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$serverVarsSession
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);
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$output .= '</tbody>';
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$output .= '</table>';
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$output .= '</div>';
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return $output;
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}
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/**
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* Prints Html for Server Variables Items
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*
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* @param array $serverVars global variables
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* @param array $serverVarsSession session variables
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*
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* @return string
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*/
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private function _getHtmlForServerVariablesItems(
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array $serverVars,
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array $serverVarsSession
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) {
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// list of static (i.e. non-editable) system variables
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$static_variables = KBSearch::getStaticVariables();
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$output = '';
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foreach ($serverVars as $name => $value) {
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$has_session_value = isset($serverVarsSession[$name])
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&& $serverVarsSession[$name] != $value;
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$row_class = ($has_session_value ? ' diffSession' : '');
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$docLink = Util::linkToVarDocumentation(
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$name,
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$this->dbi->isMariaDB(),
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str_replace('_', ' ', $name)
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);
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list($formattedValue, $isHtmlFormatted) = $this->_formatVariable($name, $value);
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if ($has_session_value) {
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list($sessionFormattedValue, $sessionIsHtmlFormatted) = $this->_formatVariable(
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$name,
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$serverVarsSession[$name]
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);
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}
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$output .= $this->template->render('server/variables/variable_row', [
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'row_class' => $row_class,
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'editable' => ! in_array(
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strtolower($name),
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$static_variables
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),
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'doc_link' => $docLink,
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'name' => $name,
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'value' => $formattedValue,
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'is_superuser' => $this->dbi->isSuperuser(),
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'is_html_formatted' => $isHtmlFormatted,
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'has_session_value' => $has_session_value,
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'session_value' => isset($sessionFormattedValue)?$sessionFormattedValue:null,
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'session_is_html_formated' => isset($sessionIsHtmlFormatted)?$sessionIsHtmlFormatted:null
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]);
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}
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return $output;
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}
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}
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