/usr/share/php/HTMLPurifier/URIScheme/file.php is in php-htmlpurifier 4.6.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/**
* Validates file as defined by RFC 1630 and RFC 1738.
*/
class HTMLPurifier_URIScheme_file extends HTMLPurifier_URIScheme
{
/**
* Generally file:// URLs are not accessible from most
* machines, so placing them as an img src is incorrect.
* @type bool
*/
public $browsable = false;
/**
* Basically the *only* URI scheme for which this is true, since
* accessing files on the local machine is very common. In fact,
* browsers on some operating systems don't understand the
* authority, though I hear it is used on Windows to refer to
* network shares.
* @type bool
*/
public $may_omit_host = true;
/**
* @param HTMLPurifier_URI $uri
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool
*/
public function doValidate(&$uri, $config, $context)
{
// Authentication method is not supported
$uri->userinfo = null;
// file:// makes no provisions for accessing the resource
$uri->port = null;
// While it seems to work on Firefox, the querystring has
// no possible effect and is thus stripped.
$uri->query = null;
return true;
}
}
// vim: et sw=4 sts=4
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