Wordpress 2.8

[autoinstalls/wordpress.git] / wp-includes / class-feed.php

diff --git a/wp-includes/class-feed.php b/wp-includes/class-feed.php
new file mode 100644 (file)
index 0000000..7012439
--- /dev/null
+++ b/wp-includes/class-feed.php
@@ -0,0 +1,103 @@
+<?php
+
+if ( !class_exists('SimplePie') )
+       require_once (ABSPATH . WPINC . '/class-simplepie.php');
+
+class WP_Feed_Cache extends SimplePie_Cache {
+       /**
+        * Don't call the constructor. Please.
+        *
+        * @access private
+        */
+       function WP_Feed_Cache() {
+               trigger_error('Please call SimplePie_Cache::create() instead of the constructor', E_USER_ERROR);
+       }
+
+       /**
+        * 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 $lifetime = 43200; //Default lifetime in cache of 12 hours
+
+       function WP_Feed_Cache_Transient($location, $filename, $extension) {
+               $this->name = 'feed_' . $filename;
+               $this->mod_name = 'feed_mod_' . $filename;
+               $this->lifetime = apply_filters('wp_feed_cache_transient_lifetime', $this->lifetime);
+       }
+
+       function save($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($this->mod_name);
+               return true;
+       }
+}
+
+class WP_SimplePie_File extends SimplePie_File {
+
+       function WP_SimplePie_File($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 = $res['headers'];
+                               $this->body = $res['body'];
+                               $this->status_code = $res['response']['code'];
+                       }
+               } else {
+                       if ( ! $this->body = file_get_contents($url) ) {
+                               $this->error = 'file_get_contents could not read the file';
+                               $this->success = false;
+                       }
+               }
+       }
+}
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