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Bug #23321 » 0015311_v3.patch

Administrator Admin, 2010-08-03 16:14

View differences:

t3lib/class.t3lib_div.php (Arbeitskopie)
* @access public
*/
function sanitizeBackEndUrl($url = '') {
$whitelistPattern = '/^[a-zA-Z0-9_\/\.&=\?]+$/';
if (!preg_match($whitelistPattern, $url)) {
$whitelistPattern = '/^[a-z0-9_\/\.&=\?\+~-]+$/i';
$charsetConversion = t3lib_div::makeInstance('t3lib_cs');
if (!preg_match($whitelistPattern, $charsetConversion->specCharsToASCII('utf-8', $url))) {
$url = '';
}
......
$decodedUrl = rawurldecode($url);
$decodedParts = @parse_url($decodedUrl);
$whitelistPattern = '/^(\p{Nd}|\p{L}|[_\/\.&=\?\+-~])+$/u';
$whitelistPattern = '/^[a-z0-9_\/\.&=\?\+~-]+$/i';
$charsetConversion = t3lib_div::makeInstance('t3lib_cs');
// Only http and https are allowed as scheme, and at least a path must be given:
if (isset($decodedParts['scheme']) && !t3lib_div::inList('http,https', $decodedParts['scheme']) || !isset($decodedParts['path'])) {
$url = '';
// Check all URL parts for invalid characters:
} else {
foreach ($decodedParts as $part) {
if (!preg_match($whitelistPattern, $part)) {
foreach ($decodedParts as $type => $part) {
$part = $charsetConversion->specCharsToASCII('utf-8', $part);
if ($type != 'host' && !preg_match($whitelistPattern, $part)) {
$url = '';
break;
}
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