<?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; $lifetime = $this->lifetime; /** * Filter the transient lifetime of the feed cache. * * @since 2.8.0 * * @param int $lifetime Cache duration in seconds. Default is 43200 seconds (12 hours). * @param string $filename Unique identifier for the cache object. */ $this->lifetime = apply_filters( 'wp_feed_cache_transient_lifetime', $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; $res = wp_safe_remote_request($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 { $this->error = ''; $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 ); } } }