Wordpress 3.1.3
[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          * Don't call the constructor. Please.
9          *
10          * @access private
11          */
12         function WP_Feed_Cache() {
13                 trigger_error('Please call SimplePie_Cache::create() instead of the constructor', E_USER_ERROR);
14         }
15
16         /**
17          * Create a new SimplePie_Cache object
18          *
19          * @static
20          * @access public
21          */
22         function create($location, $filename, $extension) {
23                 return new WP_Feed_Cache_Transient($location, $filename, $extension);
24         }
25 }
26
27 class WP_Feed_Cache_Transient {
28         var $name;
29         var $mod_name;
30         var $lifetime = 43200; //Default lifetime in cache of 12 hours
31
32         function WP_Feed_Cache_Transient($location, $filename, $extension) {
33                 $this->name = 'feed_' . $filename;
34                 $this->mod_name = 'feed_mod_' . $filename;
35                 $this->lifetime = apply_filters('wp_feed_cache_transient_lifetime', $this->lifetime, $filename);
36         }
37
38         function save($data) {
39                 if ( is_a($data, 'SimplePie') )
40                         $data = $data->data;
41
42                 set_transient($this->name, $data, $this->lifetime);
43                 set_transient($this->mod_name, time(), $this->lifetime);
44                 return true;
45         }
46
47         function load() {
48                 return get_transient($this->name);
49         }
50
51         function mtime() {
52                 return get_transient($this->mod_name);
53         }
54
55         function touch() {
56                 return set_transient($this->mod_name, time(), $this->lifetime);
57         }
58
59         function unlink() {
60                 delete_transient($this->name);
61                 delete_transient($this->mod_name);
62                 return true;
63         }
64 }
65
66 class WP_SimplePie_File extends SimplePie_File {
67
68         function WP_SimplePie_File($url, $timeout = 10, $redirects = 5, $headers = null, $useragent = null, $force_fsockopen = false) {
69                 $this->url = $url;
70                 $this->timeout = $timeout;
71                 $this->redirects = $redirects;
72                 $this->headers = $headers;
73                 $this->useragent = $useragent;
74
75                 $this->method = SIMPLEPIE_FILE_SOURCE_REMOTE;
76
77                 if ( preg_match('/^http(s)?:\/\//i', $url) ) {
78                         $args = array( 'timeout' => $this->timeout, 'redirection' => $this->redirects);
79
80                         if ( !empty($this->headers) )
81                                 $args['headers'] = $this->headers;
82
83                         if ( SIMPLEPIE_USERAGENT != $this->useragent ) //Use default WP user agent unless custom has been specified
84                                 $args['user-agent'] = $this->useragent;
85
86                         $res = wp_remote_request($url, $args);
87
88                         if ( is_wp_error($res) ) {
89                                 $this->error = 'WP HTTP Error: ' . $res->get_error_message();
90                                 $this->success = false;
91                         } else {
92                                 $this->headers = $res['headers'];
93                                 $this->body = $res['body'];
94                                 $this->status_code = $res['response']['code'];
95                         }
96                 } else {
97                         if ( ! $this->body = file_get_contents($url) ) {
98                                 $this->error = 'file_get_contents could not read the file';
99                                 $this->success = false;
100                         }
101                 }
102         }
103 }