Wordpress 3.2.1
[autoinstalls/wordpress.git] / wp-includes / class-feed.php
1 <?php
2
3 if ( !class_exists('SimplePie') )
4         require_once (ABSPATH . WPINC . '/class-simplepie.php');
5
6 class WP_Feed_Cache extends SimplePie_Cache {
7         /**
8          * Create a new SimplePie_Cache object
9          *
10          * @static
11          * @access public
12          */
13         function create($location, $filename, $extension) {
14                 return new WP_Feed_Cache_Transient($location, $filename, $extension);
15         }
16 }
17
18 class WP_Feed_Cache_Transient {
19         var $name;
20         var $mod_name;
21         var $lifetime = 43200; //Default lifetime in cache of 12 hours
22
23         function __construct($location, $filename, $extension) {
24                 $this->name = 'feed_' . $filename;
25                 $this->mod_name = 'feed_mod_' . $filename;
26                 $this->lifetime = apply_filters('wp_feed_cache_transient_lifetime', $this->lifetime, $filename);
27         }
28
29         function save($data) {
30                 if ( is_a($data, 'SimplePie') )
31                         $data = $data->data;
32
33                 set_transient($this->name, $data, $this->lifetime);
34                 set_transient($this->mod_name, time(), $this->lifetime);
35                 return true;
36         }
37
38         function load() {
39                 return get_transient($this->name);
40         }
41
42         function mtime() {
43                 return get_transient($this->mod_name);
44         }
45
46         function touch() {
47                 return set_transient($this->mod_name, time(), $this->lifetime);
48         }
49
50         function unlink() {
51                 delete_transient($this->name);
52                 delete_transient($this->mod_name);
53                 return true;
54         }
55 }
56
57 class WP_SimplePie_File extends SimplePie_File {
58
59         function __construct($url, $timeout = 10, $redirects = 5, $headers = null, $useragent = null, $force_fsockopen = false) {
60                 $this->url = $url;
61                 $this->timeout = $timeout;
62                 $this->redirects = $redirects;
63                 $this->headers = $headers;
64                 $this->useragent = $useragent;
65
66                 $this->method = SIMPLEPIE_FILE_SOURCE_REMOTE;
67
68                 if ( preg_match('/^http(s)?:\/\//i', $url) ) {
69                         $args = array( 'timeout' => $this->timeout, 'redirection' => $this->redirects);
70
71                         if ( !empty($this->headers) )
72                                 $args['headers'] = $this->headers;
73
74                         if ( SIMPLEPIE_USERAGENT != $this->useragent ) //Use default WP user agent unless custom has been specified
75                                 $args['user-agent'] = $this->useragent;
76
77                         $res = wp_remote_request($url, $args);
78
79                         if ( is_wp_error($res) ) {
80                                 $this->error = 'WP HTTP Error: ' . $res->get_error_message();
81                                 $this->success = false;
82                         } else {
83                                 $this->headers = wp_remote_retrieve_headers( $res );
84                                 $this->body = wp_remote_retrieve_body( $res );
85                                 $this->status_code = wp_remote_retrieve_response_code( $res );
86                         }
87                 } else {
88                         if ( ! $this->body = file_get_contents($url) ) {
89                                 $this->error = 'file_get_contents could not read the file';
90                                 $this->success = false;
91                         }
92                 }
93         }
94 }