mirror of
https://github.com/renbaoshuo/S2OJ.git
synced 2024-12-25 15:11:52 +00:00
45 lines
1.2 KiB
PHP
45 lines
1.2 KiB
PHP
|
<?php
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 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
|