diff options
Diffstat (limited to 'libraries/grab_globals.lib.php')
| -rw-r--r-- | libraries/grab_globals.lib.php | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/libraries/grab_globals.lib.php b/libraries/grab_globals.lib.php deleted file mode 100644 index 2b626da78e..0000000000 --- a/libraries/grab_globals.lib.php +++ /dev/null @@ -1,124 +0,0 @@ -<?php -/* vim: set expandtab sw=4 ts=4 sts=4: */ -/** - * This library grabs the names and values of the variables sent or posted to a - * script in $_GET, $_POST and $_FILES superglobals and sets simple globals - * variables from them. It does the same work for $HTTP_ACCEPT_LANGUAGE and - * $HTTP_AUTHORIZATION. - * - * @version $Id$ - * @package phpMyAdmin - */ -if (! defined('PHPMYADMIN')) { - exit; -} - -/** - * copy values from one array to another, usually from a superglobal into $GLOBALS - * - * @uses $GLOBALS['_import_blacklist'] - * @uses preg_replace() - * @uses array_keys() - * @uses array_unique() - * @uses stripslashes() - * @param array $array values from - * @param array $target values to - * @param boolean $sanitize prevent importing key names in $_import_blacklist - */ -function PMA_recursive_extract($array, &$target, $sanitize = true) -{ - if (! is_array($array)) { - return false; - } - - if ($sanitize) { - $valid_variables = preg_replace($GLOBALS['_import_blacklist'], '', - array_keys($array)); - $valid_variables = array_unique($valid_variables); - } else { - $valid_variables = array_keys($array); - } - - foreach ($valid_variables as $key) { - - if (strlen($key) === 0) { - continue; - } - - if (is_array($array[$key])) { - // there could be a variable coming from a cookie of - // another application, with the same name as this array - unset($target[$key]); - - PMA_recursive_extract($array[$key], $target[$key], false); - } else { - $target[$key] = $array[$key]; - } - } - return true; -} - - -/** - * @var array $_import_blacklist variable names that should NEVER be imported - * from superglobals - */ -$_import_blacklist = array( - '/^cfg$/i', // PMA configuration - '/^server$/i', // selected server - '/^db$/i', // page to display - '/^table$/i', // page to display - '/^goto$/i', // page to display - '/^back$/i', // the page go back - '/^lang$/i', // selected language - '/^convcharset$/i', // PMA convert charset - '/^collation_connection$/i', // - '/^set_theme$/i', // - '/^sql_query$/i', // the query to be executed - '/^GLOBALS$/i', // the global scope - '/^str.*$/i', // PMA localized strings - '/^error_handler.*$/i', // the error handler - '/^_.*$/i', // PMA does not use variables starting with _ from extern - '/^.*\s+.*$/i', // no whitespaces anywhere - '/^[0-9]+.*$/i', // numeric variable names - //'/^PMA_.*$/i', // other PMA variables -); - -if (! empty($_GET)) { - PMA_recursive_extract($_GET, $GLOBALS); -} - -if (! empty($_POST)) { - PMA_recursive_extract($_POST, $GLOBALS); -} - -if (! empty($_FILES)) { - $_valid_variables = preg_replace($GLOBALS['_import_blacklist'], '', array_keys($_FILES)); - foreach ($_valid_variables as $name) { - if (strlen($name) != 0) { - $$name = $_FILES[$name]['tmp_name']; - ${$name . '_name'} = $_FILES[$name]['name']; - } - } - unset($name, $value); -} - -/** - * globalize some environment variables - */ -$server_vars = array('HTTP_ACCEPT_LANGUAGE', 'HTTP_AUTHORIZATION'); -foreach ($server_vars as $current) { - // it's not important HOW we detect html tags - // it's more important to prevent XSS - // so it's not important if we result in an invalid string, - // it's even better than a XSS capable string - if (PMA_getenv($current) && false === strpos(PMA_getenv($current), '<')) { - $$current = PMA_getenv($current); - // already imported by register_globals? - } elseif (! isset($$current) || false !== strpos($$current, '<')) { - $$current = ''; - } -} -unset($server_vars, $current, $_import_blacklist); - -?> |