*
* bar
*
* @uses preg_replace()
* @uses strtr()
* @param string the message
* @param boolean whether to escape html in result
*
* @return string the sanitized message
*
* @access public
*/
function PMA_sanitize($message, $escape = false, $safe = false)
{
if (!$safe) {
$message = strtr($message, array('<' => '<', '>' => '>'));
}
$replace_pairs = array(
'[i]' => '', // deprecated by em
'[/i]' => '', // deprecated by em
'[em]' => '',
'[/em]' => '',
'[b]' => '', // deprecated by strong
'[/b]' => '', // deprecated by strong
'[strong]' => '',
'[/strong]' => '',
'[tt]' => '', // deprecated by CODE or KBD
'[/tt]' => '', // deprecated by CODE or KBD
'[code]' => '',
'[/code]' => '',
'[kbd]' => '',
'[/kbd]' => '',
'[br]' => '
',
'[/a]' => '',
'[sup]' => '',
'[/sup]' => '',
);
$message = strtr($message, $replace_pairs);
$pattern = '/\[a@([^"@]*)@([^]"]*)\]/';
if (preg_match_all($pattern, $message, $founds, PREG_SET_ORDER)) {
$valid_links = array(
'http', // default http:// links (and https://)
'./Do', // ./Documentation
'./ur', // url.php redirector
);
foreach ($founds as $found) {
// only http... and ./Do... allowed
if (! in_array(substr($found[1], 0, 4), $valid_links)) {
return $message;
}
// a-z and _ allowed in target
if (! empty($found[2]) && preg_match('/[^a-z_]+/i', $found[2])) {
return $message;
}
}
if (substr($found[1], 0, 4) == 'http') {
$message = preg_replace($pattern, '', $message);
} else {
$message = preg_replace($pattern, '', $message);
}
}
if ($escape) {
$message = htmlspecialchars($message);
}
return $message;
}
/**
* Sanitize a filename by removing anything besides A-Za-z0-9_.-
*
* Intended usecase:
* When using a filename in a Content-Disposition header the value should not contain ; or "
*
* @param string The filename
*
* @return string the sanitized filename
*
*/
function PMA_sanitize_filename($filename) {
$filename = preg_replace('/[^A-Za-z0-9_.-]/', '_', $filename);
return $filename;
}
?>