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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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55
classes/security/htmlpurifier/library/HTMLPurifier/URIScheme/data.php
View file

@ -3,21 +3,38 @@
/**
* Implements data: URI for base64 encoded images supported by GD.
*/
class HTMLPurifier_URIScheme_data extends HTMLPurifier_URIScheme {
class HTMLPurifier_URIScheme_data extends HTMLPurifier_URIScheme
{
/**
* @type bool
*/
public $browsable = true;
/**
* @type array
*/
public $allowed_types = array(
// you better write validation code for other types if you
// decide to allow them
'image/jpeg' => true,
'image/gif' => true,
'image/png' => true,
);
);
// this is actually irrelevant since we only write out the path
// component
/**
* @type bool
*/
public $may_omit_host = true;
public function doValidate(&$uri, $config, $context) {
/**
* @param HTMLPurifier_URI $uri
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool
*/
public function doValidate(&$uri, $config, $context)
{
$result = explode(',', $uri->path, 2);
$is_base64 = false;
$charset = null;
@ -26,7 +43,7 @@ class HTMLPurifier_URIScheme_data extends HTMLPurifier_URIScheme {
list($metadata, $data) = $result;
// do some legwork on the metadata
$metas = explode(';', $metadata);
while(!empty($metas)) {
while (!empty($metas)) {
$cur = array_shift($metas);
if ($cur == 'base64') {
$is_base64 = true;
@ -35,10 +52,14 @@ class HTMLPurifier_URIScheme_data extends HTMLPurifier_URIScheme {
if (substr($cur, 0, 8) == 'charset=') {
// doesn't match if there are arbitrary spaces, but
// whatever dude
if ($charset !== null) continue; // garbage
if ($charset !== null) {
continue;
} // garbage
$charset = substr($cur, 8); // not used
} else {
if ($content_type !== null) continue; // garbage
if ($content_type !== null) {
continue;
} // garbage
$content_type = $cur;
}
}
@ -64,11 +85,15 @@ class HTMLPurifier_URIScheme_data extends HTMLPurifier_URIScheme {
file_put_contents($file, $raw_data, LOCK_EX);
if (function_exists('exif_imagetype')) {
$image_code = exif_imagetype($file);
unlink($file);
} elseif (function_exists('getimagesize')) {
set_error_handler(array($this, 'muteErrorHandler'));
$info = getimagesize($file);
restore_error_handler();
if ($info == false) return false;
unlink($file);
if ($info == false) {
return false;
}
$image_code = $info[2];
} else {
trigger_error("could not find exif_imagetype or getimagesize functions", E_USER_ERROR);
@ -77,7 +102,9 @@ class HTMLPurifier_URIScheme_data extends HTMLPurifier_URIScheme {
if ($real_content_type != $content_type) {
// we're nice guys; if the content type is something else we
// support, change it over
if (empty($this->allowed_types[$real_content_type])) return false;
if (empty($this->allowed_types[$real_content_type])) {
return false;
}
$content_type = $real_content_type;
}
// ok, it's kosher, rewrite what we need
@ -90,7 +117,11 @@ class HTMLPurifier_URIScheme_data extends HTMLPurifier_URIScheme {
return true;
}
public function muteErrorHandler($errno, $errstr) {}
/**
* @param int $errno
* @param string $errstr
*/
public function muteErrorHandler($errno, $errstr)
{
}
}