mirror of
https://github.com/cytopia/devilbox.git
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457 lines
14 KiB
PHP
457 lines
14 KiB
PHP
<?php
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/* vim: set expandtab sw=4 ts=4 sts=4: */
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/**
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* Misc stuff and REQUIRED by ALL the scripts.
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* MUST be included by every script
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*
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* Among other things, it contains the advanced authentication work.
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*
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* Order of sections for common.inc.php:
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*
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* the authentication libraries must be before the connection to db
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*
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* ... so the required order is:
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*
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* LABEL_variables_init
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* - initialize some variables always needed
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* LABEL_parsing_config_file
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* - parsing of the configuration file
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* LABEL_loading_language_file
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* - loading language file
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* LABEL_setup_servers
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* - check and setup configured servers
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* LABEL_theme_setup
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* - setting up themes
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*
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* - load of MySQL extension (if necessary)
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* - loading of an authentication library
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* - db connection
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* - authentication work
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*
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* @package PhpMyAdmin
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*/
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use PhpMyAdmin\Config;
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use PhpMyAdmin\Core;
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use PhpMyAdmin\DatabaseInterface;
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use PhpMyAdmin\ErrorHandler;
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use PhpMyAdmin\LanguageManager;
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use PhpMyAdmin\Logging;
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use PhpMyAdmin\Message;
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use PhpMyAdmin\Plugins\AuthenticationPlugin;
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use PhpMyAdmin\Response;
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use PhpMyAdmin\Session;
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use PhpMyAdmin\ThemeManager;
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use PhpMyAdmin\Tracker;
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use PhpMyAdmin\Util;
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/**
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* block attempts to directly run this script
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*/
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if (getcwd() == dirname(__FILE__)) {
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die('Attack stopped');
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}
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/**
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* Minimum PHP version; can't call Core::fatalError() which uses a
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* PHP 5 function, so cannot easily localize this message.
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*/
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if (version_compare(PHP_VERSION, '5.5.0', 'lt')) {
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die(
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'PHP 5.5+ is required. <br /> Currently installed version is: '
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. phpversion()
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);
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}
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/**
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* for verification in all procedural scripts under libraries
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*/
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define('PHPMYADMIN', true);
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/**
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* Load vendor configuration.
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*/
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require_once './libraries/vendor_config.php';
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/**
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* Load hash polyfill.
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*/
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require_once './libraries/hash.lib.php';
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/**
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* Activate autoloader
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*/
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if (! @is_readable(AUTOLOAD_FILE)) {
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die(
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'File <tt>' . AUTOLOAD_FILE . '</tt> missing or not readable. <br />'
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. 'Most likely you did not run Composer to '
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. '<a href="https://docs.phpmyadmin.net/en/latest/setup.html#installing-from-git">install library files</a>.'
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);
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}
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require_once AUTOLOAD_FILE;
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/**
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* Load gettext functions.
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*/
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PhpMyAdmin\MoTranslator\Loader::loadFunctions();
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/**
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* initialize the error handler
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*/
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$GLOBALS['error_handler'] = new ErrorHandler();
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/**
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* Warning about missing PHP extensions.
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*/
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Core::checkExtensions();
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/**
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* Configure required PHP settings.
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*/
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Core::configure();
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/******************************************************************************/
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/* start procedural code label_start_procedural */
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Core::cleanupPathInfo();
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/******************************************************************************/
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/* parsing configuration file LABEL_parsing_config_file */
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/**
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* @global Config $GLOBALS['PMA_Config']
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* force reading of config file, because we removed sensitive values
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* in the previous iteration
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*/
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$GLOBALS['PMA_Config'] = new Config(CONFIG_FILE);
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/**
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* include session handling after the globals, to prevent overwriting
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*/
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Session::setUp($GLOBALS['PMA_Config'], $GLOBALS['error_handler']);
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/**
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* init some variables LABEL_variables_init
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*/
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/**
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* holds parameters to be passed to next page
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* @global array $GLOBALS['url_params']
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*/
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$GLOBALS['url_params'] = array();
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/**
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* holds page that should be displayed
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* @global string $GLOBALS['goto']
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*/
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$GLOBALS['goto'] = '';
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// Security fix: disallow accessing serious server files via "?goto="
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if (Core::checkPageValidity($_REQUEST['goto'])) {
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$GLOBALS['goto'] = $_REQUEST['goto'];
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$GLOBALS['url_params']['goto'] = $_REQUEST['goto'];
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} else {
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unset($_REQUEST['goto'], $_GET['goto'], $_POST['goto'], $_COOKIE['goto']);
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}
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/**
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* returning page
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* @global string $GLOBALS['back']
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*/
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if (Core::checkPageValidity($_REQUEST['back'])) {
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$GLOBALS['back'] = $_REQUEST['back'];
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} else {
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unset($_REQUEST['back'], $_GET['back'], $_POST['back'], $_COOKIE['back']);
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}
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/**
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* Check whether user supplied token is valid, if not remove any possibly
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* dangerous stuff from request.
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*
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* remember that some objects in the session with session_start and __wakeup()
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* could access this variables before we reach this point
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* f.e. PhpMyAdmin\Config: fontsize
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*
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* Check for token mismatch only if the Request method is POST
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* GET Requests would never have token and therefore checking
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* mis-match does not make sense
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*
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* @todo variables should be handled by their respective owners (objects)
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* f.e. lang, server in PhpMyAdmin\Config
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*/
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$token_mismatch = true;
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$token_provided = false;
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if ($_SERVER['REQUEST_METHOD'] == 'POST') {
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if (Core::isValid($_POST['token'])) {
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$token_provided = true;
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$token_mismatch = ! @hash_equals($_SESSION[' PMA_token '], $_POST['token']);
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}
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if ($token_mismatch) {
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/* Warn in case the mismatch is result of failed setting of session cookie */
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if (isset($_POST['set_session']) && $_POST['set_session'] != session_id()) {
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trigger_error(
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__(
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'Failed to set session cookie. Maybe you are using '
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. 'HTTP instead of HTTPS to access phpMyAdmin.'
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),
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E_USER_ERROR
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);
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}
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/**
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* We don't allow any POST operation parameters if the token is mismatched
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* or is not provided
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*/
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$whitelist = array('ajax_request');
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PhpMyAdmin\Sanitize::removeRequestVars($whitelist);
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}
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}
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/**
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* current selected database
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* @global string $GLOBALS['db']
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*/
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Core::setGlobalDbOrTable('db');
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/**
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* current selected table
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* @global string $GLOBALS['table']
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*/
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Core::setGlobalDbOrTable('table');
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/**
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* Store currently selected recent table.
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* Affect $GLOBALS['db'] and $GLOBALS['table']
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*/
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if (Core::isValid($_REQUEST['selected_recent_table'])) {
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$recent_table = json_decode($_REQUEST['selected_recent_table'], true);
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$GLOBALS['db']
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= (array_key_exists('db', $recent_table) && is_string($recent_table['db'])) ?
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$recent_table['db'] : '';
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$GLOBALS['url_params']['db'] = $GLOBALS['db'];
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$GLOBALS['table']
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= (array_key_exists('table', $recent_table) && is_string($recent_table['table'])) ?
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$recent_table['table'] : '';
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$GLOBALS['url_params']['table'] = $GLOBALS['table'];
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}
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/**
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* SQL query to be executed
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* @global string $GLOBALS['sql_query']
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*/
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$GLOBALS['sql_query'] = '';
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if (Core::isValid($_POST['sql_query'])) {
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$GLOBALS['sql_query'] = $_POST['sql_query'];
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}
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//$_REQUEST['set_theme'] // checked later in this file LABEL_theme_setup
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//$_REQUEST['server']; // checked later in this file
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//$_REQUEST['lang']; // checked by LABEL_loading_language_file
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/******************************************************************************/
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/* loading language file LABEL_loading_language_file */
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/**
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* lang detection is done here
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*/
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$language = LanguageManager::getInstance()->selectLanguage();
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$language->activate();
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/**
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* check for errors occurred while loading configuration
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* this check is done here after loading language files to present errors in locale
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*/
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$GLOBALS['PMA_Config']->checkPermissions();
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$GLOBALS['PMA_Config']->checkErrors();
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/* Check server configuration */
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Core::checkConfiguration();
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/* Check request for possible attacks */
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Core::checkRequest();
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/******************************************************************************/
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/* setup servers LABEL_setup_servers */
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$GLOBALS['PMA_Config']->checkServers();
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/**
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* current server
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* @global integer $GLOBALS['server']
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*/
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$GLOBALS['server'] = $GLOBALS['PMA_Config']->selectServer();
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$GLOBALS['url_params']['server'] = $GLOBALS['server'];
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/**
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* BC - enable backward compatibility
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* exports all configuration settings into $GLOBALS ($GLOBALS['cfg'])
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*/
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$GLOBALS['PMA_Config']->enableBc();
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/******************************************************************************/
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/* setup themes LABEL_theme_setup */
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ThemeManager::initializeTheme();
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if (! defined('PMA_MINIMUM_COMMON')) {
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/**
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* save some settings in cookies
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* @todo should be done in PhpMyAdmin\Config
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*/
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$GLOBALS['PMA_Config']->setCookie('pma_lang', $GLOBALS['lang']);
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ThemeManager::getInstance()->setThemeCookie();
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if (! empty($cfg['Server'])) {
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/**
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* Loads the proper database interface for this server
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*/
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DatabaseInterface::load();
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// get LoginCookieValidity from preferences cache
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// no generic solution for loading preferences from cache as some settings
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// need to be kept for processing in
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// PhpMyAdmin\Config::loadUserPreferences()
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$cache_key = 'server_' . $GLOBALS['server'];
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if (isset($_SESSION['cache'][$cache_key]['userprefs']['LoginCookieValidity'])
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) {
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$value
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= $_SESSION['cache'][$cache_key]['userprefs']['LoginCookieValidity'];
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$GLOBALS['PMA_Config']->set('LoginCookieValidity', $value);
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$GLOBALS['cfg']['LoginCookieValidity'] = $value;
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unset($value);
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}
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unset($cache_key);
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// Gets the authentication library that fits the $cfg['Server'] settings
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// and run authentication
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/**
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* the required auth type plugin
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*/
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$auth_class = 'PhpMyAdmin\\Plugins\\Auth\\Authentication' . ucfirst(strtolower($cfg['Server']['auth_type']));
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if (! @class_exists($auth_class)) {
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Core::fatalError(
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__('Invalid authentication method set in configuration:')
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. ' ' . $cfg['Server']['auth_type']
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);
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}
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if (isset($_REQUEST['pma_password']) && strlen($_REQUEST['pma_password']) > 256) {
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$_REQUEST['pma_password'] = substr($_REQUEST['pma_password'], 0, 256);
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}
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$auth_plugin = new $auth_class();
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$auth_plugin->authenticate();
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// Try to connect MySQL with the control user profile (will be used to
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// get the privileges list for the current user but the true user link
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// must be open after this one so it would be default one for all the
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// scripts)
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$controllink = false;
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if ($cfg['Server']['controluser'] != '') {
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$controllink = $GLOBALS['dbi']->connect(
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DatabaseInterface::CONNECT_CONTROL
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);
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}
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// Connects to the server (validates user's login)
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/** @var DatabaseInterface $userlink */
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$userlink = $GLOBALS['dbi']->connect(DatabaseInterface::CONNECT_USER);
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if ($userlink === false) {
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$auth_plugin->showFailure('mysql-denied');
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}
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if (! $controllink) {
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/*
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* Open separate connection for control queries, this is needed
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* to avoid problems with table locking used in main connection
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* and phpMyAdmin issuing queries to configuration storage, which
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* is not locked by that time.
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*/
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$controllink = $GLOBALS['dbi']->connect(
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DatabaseInterface::CONNECT_USER,
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null,
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DatabaseInterface::CONNECT_CONTROL
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);
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}
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$auth_plugin->rememberCredentials();
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$auth_plugin->checkTwoFactor();
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/* Log success */
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Logging::logUser($cfg['Server']['user']);
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if ($GLOBALS['dbi']->getVersion() < $cfg['MysqlMinVersion']['internal']) {
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Core::fatalError(
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__('You should upgrade to %s %s or later.'),
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array('MySQL', $cfg['MysqlMinVersion']['human'])
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);
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}
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// Sets the default delimiter (if specified).
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if (!empty($_REQUEST['sql_delimiter'])) {
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PhpMyAdmin\SqlParser\Lexer::$DEFAULT_DELIMITER = $_REQUEST['sql_delimiter'];
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}
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// TODO: Set SQL modes too.
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} else { // end server connecting
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$response = Response::getInstance();
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$response->getHeader()->disableMenuAndConsole();
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$response->getFooter()->setMinimal();
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}
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/**
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* check if profiling was requested and remember it
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* (note: when $cfg['ServerDefault'] = 0, constant is not defined)
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*/
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if (isset($_REQUEST['profiling'])
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&& Util::profilingSupported()
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) {
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$_SESSION['profiling'] = true;
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} elseif (isset($_REQUEST['profiling_form'])) {
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// the checkbox was unchecked
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unset($_SESSION['profiling']);
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}
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/**
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* Inclusion of profiling scripts is needed on various
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* pages like sql, tbl_sql, db_sql, tbl_select
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*/
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$response = Response::getInstance();
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if (isset($_SESSION['profiling'])) {
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$scripts = $response->getHeader()->getScripts();
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$scripts->addFile('chart.js');
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$scripts->addFile('vendor/jqplot/jquery.jqplot.js');
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$scripts->addFile('vendor/jqplot/plugins/jqplot.pieRenderer.js');
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$scripts->addFile('vendor/jqplot/plugins/jqplot.highlighter.js');
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$scripts->addFile('vendor/jquery/jquery.tablesorter.js');
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}
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/*
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* There is no point in even attempting to process
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* an ajax request if there is a token mismatch
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*/
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if ($response->isAjax() && $_SERVER['REQUEST_METHOD'] == 'POST' && $token_mismatch) {
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$response->setRequestStatus(false);
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$response->addJSON(
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'message',
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Message::error(__('Error: Token mismatch'))
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);
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exit;
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}
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}
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// load user preferences
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$GLOBALS['PMA_Config']->loadUserPreferences();
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/* Tell tracker that it can actually work */
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Tracker::enable();
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