forked from GNUsocial/gnu-social
47 lines
1.1 KiB
PHP
47 lines
1.1 KiB
PHP
|
<?php
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Validates tel (for phone numbers).
|
||
|
|
*
|
||
|
|
* The relevant specifications for this protocol are RFC 3966 and RFC 5341,
|
||
|
|
* but this class takes a much simpler approach: we normalize phone
|
||
|
|
* numbers so that they only include (possibly) a leading plus,
|
||
|
|
* and then any number of digits and x'es.
|
||
|
|
*/
|
||
|
|
|
||
|
|
class HTMLPurifier_URIScheme_tel extends HTMLPurifier_URIScheme
|
||
|
|
{
|
||
|
|
/**
|
||
|
|
* @type bool
|
||
|
|
*/
|
||
|
|
public $browsable = false;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @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)
|
||
|
|
{
|
||
|
|
$uri->userinfo = null;
|
||
|
|
$uri->host = null;
|
||
|
|
$uri->port = null;
|
||
|
|
|
||
|
|
// Delete all non-numeric characters, non-x characters
|
||
|
|
// from phone number, EXCEPT for a leading plus sign.
|
||
|
|
$uri->path = preg_replace('/(?!^\+)[^\dx]/', '',
|
||
|
|
// Normalize e(x)tension to lower-case
|
||
|
|
str_replace('X', 'x', $uri->path));
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// vim: et sw=4 sts=4
|