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HTMLPurifier update

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약간 커스텀 된 부분 모두 반영.
File lock 부분과 htmlspecialchars 부분.
This commit is contained in:
MinSoo Kim 2016-01-02 11:55:54 +09:00
parent ae7cbf51c0
commit 2957f8cebe
242 changed files with 11737 additions and 5915 deletions
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31
classes/security/htmlpurifier/library/HTMLPurifier/AttrDef/CSS/URI.php
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@ -12,25 +12,39 @@
class HTMLPurifier_AttrDef_CSS_URI extends HTMLPurifier_AttrDef_URI
{
public function __construct() {
public function __construct()
{
parent::__construct(true); // always embedded
}
public function validate($uri_string, $config, $context) {
/**
* @param string $uri_string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($uri_string, $config, $context)
{
// parse the URI out of the string and then pass it onto
// the parent object
$uri_string = $this->parseCDATA($uri_string);
if (strpos($uri_string, 'url(') !== 0) return false;
if (strpos($uri_string, 'url(') !== 0) {
return false;
}
$uri_string = substr($uri_string, 4);
$new_length = strlen($uri_string) - 1;
if ($uri_string[$new_length] != ')') return false;
if ($uri_string[$new_length] != ')') {
return false;
}
$uri = trim(substr($uri_string, 0, $new_length));
if (!empty($uri) && ($uri[0] == "'" || $uri[0] == '"')) {
$quote = $uri[0];
$new_length = strlen($uri) - 1;
if ($uri[$new_length] !== $quote) return false;
if ($uri[$new_length] !== $quote) {
return false;
}
$uri = substr($uri, 1, $new_length - 1);
}
@ -38,7 +52,9 @@ class HTMLPurifier_AttrDef_CSS_URI extends HTMLPurifier_AttrDef_URI
$result = parent::validate($uri, $config, $context);
if ($result === false) return false;
if ($result === false) {
return false;
}
// extra sanity check; should have been done by URI
$result = str_replace(array('"', "\\", "\n", "\x0c", "\r"), "", $result);
@ -51,11 +67,8 @@ class HTMLPurifier_AttrDef_CSS_URI extends HTMLPurifier_AttrDef_URI
// an innerHTML cycle, so a very unlucky query parameter could
// then change the meaning of the URL. Unfortunately, there's
// not much we can do about that...
return "url(\"$result\")";
}
}
// vim: et sw=4 sts=4