mirror of
https://github.com/WordPress/WordPress.git
synced 2024-08-18 11:42:57 +02:00
Overrides SimplePie_Sanitize with WP_SimplePie_Sanitize_KSES. props markjaquith, rmccue. see #21990. git-svn-id: http://core.svn.wordpress.org/trunk@22811 1a063a9b-81f0-0310-95a4-ce76da25c4cd
130 lines
3.6 KiB
PHP
130 lines
3.6 KiB
PHP
<?php
|
|
|
|
if ( !class_exists('SimplePie') )
|
|
require_once (ABSPATH . WPINC . '/class-simplepie.php');
|
|
|
|
class WP_Feed_Cache extends SimplePie_Cache {
|
|
/**
|
|
* Create a new SimplePie_Cache object
|
|
*
|
|
* @static
|
|
* @access public
|
|
*/
|
|
function create($location, $filename, $extension) {
|
|
return new WP_Feed_Cache_Transient($location, $filename, $extension);
|
|
}
|
|
}
|
|
|
|
class WP_Feed_Cache_Transient {
|
|
var $name;
|
|
var $mod_name;
|
|
var $lifetime = 43200; //Default lifetime in cache of 12 hours
|
|
|
|
function __construct($location, $filename, $extension) {
|
|
$this->name = 'feed_' . $filename;
|
|
$this->mod_name = 'feed_mod_' . $filename;
|
|
$this->lifetime = apply_filters('wp_feed_cache_transient_lifetime', $this->lifetime, $filename);
|
|
}
|
|
|
|
function save($data) {
|
|
if ( is_a($data, 'SimplePie') )
|
|
$data = $data->data;
|
|
|
|
set_transient($this->name, $data, $this->lifetime);
|
|
set_transient($this->mod_name, time(), $this->lifetime);
|
|
return true;
|
|
}
|
|
|
|
function load() {
|
|
return get_transient($this->name);
|
|
}
|
|
|
|
function mtime() {
|
|
return get_transient($this->mod_name);
|
|
}
|
|
|
|
function touch() {
|
|
return set_transient($this->mod_name, time(), $this->lifetime);
|
|
}
|
|
|
|
function unlink() {
|
|
delete_transient($this->name);
|
|
delete_transient($this->mod_name);
|
|
return true;
|
|
}
|
|
}
|
|
|
|
class WP_SimplePie_File extends SimplePie_File {
|
|
|
|
function __construct($url, $timeout = 10, $redirects = 5, $headers = null, $useragent = null, $force_fsockopen = false) {
|
|
$this->url = $url;
|
|
$this->timeout = $timeout;
|
|
$this->redirects = $redirects;
|
|
$this->headers = $headers;
|
|
$this->useragent = $useragent;
|
|
|
|
$this->method = SIMPLEPIE_FILE_SOURCE_REMOTE;
|
|
|
|
if ( preg_match('/^http(s)?:\/\//i', $url) ) {
|
|
$args = array( 'timeout' => $this->timeout, 'redirection' => $this->redirects);
|
|
|
|
if ( !empty($this->headers) )
|
|
$args['headers'] = $this->headers;
|
|
|
|
if ( SIMPLEPIE_USERAGENT != $this->useragent ) //Use default WP user agent unless custom has been specified
|
|
$args['user-agent'] = $this->useragent;
|
|
|
|
$res = wp_remote_request($url, $args);
|
|
|
|
if ( is_wp_error($res) ) {
|
|
$this->error = 'WP HTTP Error: ' . $res->get_error_message();
|
|
$this->success = false;
|
|
} else {
|
|
$this->headers = wp_remote_retrieve_headers( $res );
|
|
$this->body = wp_remote_retrieve_body( $res );
|
|
$this->status_code = wp_remote_retrieve_response_code( $res );
|
|
}
|
|
} else {
|
|
if ( ! file_exists($url) || ( ! $this->body = file_get_contents($url) ) ) {
|
|
$this->error = 'file_get_contents could not read the file';
|
|
$this->success = false;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* WordPress SimplePie Sanitization Class
|
|
*
|
|
* Extension of the SimplePie_Sanitize class to use KSES, because
|
|
* we cannot universally count on DOMDocument being available
|
|
*
|
|
* @package WordPress
|
|
* @since 3.5.0
|
|
*/
|
|
class WP_SimplePie_Sanitize_KSES extends SimplePie_Sanitize {
|
|
public function sanitize( $data, $type, $base = '' ) {
|
|
$data = trim( $data );
|
|
if ( $type & SIMPLEPIE_CONSTRUCT_MAYBE_HTML ) {
|
|
if (preg_match('/(&(#(x[0-9a-fA-F]+|[0-9]+)|[a-zA-Z0-9]+)|<\/[A-Za-z][^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3E]*' . SIMPLEPIE_PCRE_HTML_ATTRIBUTE . '>)/', $data)) {
|
|
$type |= SIMPLEPIE_CONSTRUCT_HTML;
|
|
}
|
|
else {
|
|
$type |= SIMPLEPIE_CONSTRUCT_TEXT;
|
|
}
|
|
}
|
|
if ( $type & SIMPLEPIE_CONSTRUCT_BASE64 ) {
|
|
$data = base64_decode( $data );
|
|
}
|
|
if ( $type & ( SIMPLEPIE_CONSTRUCT_HTML | SIMPLEPIE_CONSTRUCT_XHTML ) ) {
|
|
$data = wp_kses_post( $data );
|
|
if ( $this->output_encoding !== 'UTF-8' ) {
|
|
$data = $this->registry->call( 'Misc', 'change_encoding', array( $data, 'UTF-8', $this->output_encoding ) );
|
|
}
|
|
return $data;
|
|
} else {
|
|
return parent::sanitize( $data, $type, $base );
|
|
}
|
|
}
|
|
}
|