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1 <?php |
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2 |
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3 if ( !class_exists('SimplePie') ) |
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4 require_once (ABSPATH . WPINC . '/class-simplepie.php'); |
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5 |
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6 class WP_Feed_Cache extends SimplePie_Cache { |
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7 /** |
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8 * Don't call the constructor. Please. |
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9 * |
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10 * @access private |
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11 */ |
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12 function WP_Feed_Cache() { |
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13 trigger_error('Please call SimplePie_Cache::create() instead of the constructor', E_USER_ERROR); |
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14 } |
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15 |
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16 /** |
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17 * Create a new SimplePie_Cache object |
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18 * |
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19 * @static |
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20 * @access public |
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21 */ |
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22 function create($location, $filename, $extension) { |
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23 return new WP_Feed_Cache_Transient($location, $filename, $extension); |
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24 } |
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25 } |
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26 |
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27 class WP_Feed_Cache_Transient { |
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28 var $name; |
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29 var $mod_name; |
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30 var $lifetime = 43200; //Default lifetime in cache of 12 hours |
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31 |
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32 function WP_Feed_Cache_Transient($location, $filename, $extension) { |
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33 $this->name = 'feed_' . $filename; |
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34 $this->mod_name = 'feed_mod_' . $filename; |
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35 $this->lifetime = apply_filters('wp_feed_cache_transient_lifetime', $this->lifetime, $filename); |
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36 } |
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37 |
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38 function save($data) { |
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39 if ( is_a($data, 'SimplePie') ) |
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40 $data = $data->data; |
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41 |
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42 set_transient($this->name, $data, $this->lifetime); |
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43 set_transient($this->mod_name, time(), $this->lifetime); |
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44 return true; |
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45 } |
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46 |
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47 function load() { |
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48 return get_transient($this->name); |
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49 } |
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50 |
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51 function mtime() { |
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52 return get_transient($this->mod_name); |
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53 } |
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54 |
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55 function touch() { |
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56 return set_transient($this->mod_name, time(), $this->lifetime); |
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57 } |
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58 |
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59 function unlink() { |
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60 delete_transient($this->name); |
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61 delete_transient($this->mod_name); |
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62 return true; |
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63 } |
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64 } |
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65 |
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66 class WP_SimplePie_File extends SimplePie_File { |
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67 |
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68 function WP_SimplePie_File($url, $timeout = 10, $redirects = 5, $headers = null, $useragent = null, $force_fsockopen = false) { |
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69 $this->url = $url; |
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70 $this->timeout = $timeout; |
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71 $this->redirects = $redirects; |
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72 $this->headers = $headers; |
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73 $this->useragent = $useragent; |
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74 |
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75 $this->method = SIMPLEPIE_FILE_SOURCE_REMOTE; |
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76 |
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77 if ( preg_match('/^http(s)?:\/\//i', $url) ) { |
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78 $args = array( 'timeout' => $this->timeout, 'redirection' => $this->redirects); |
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79 |
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80 if ( !empty($this->headers) ) |
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81 $args['headers'] = $this->headers; |
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82 |
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83 if ( SIMPLEPIE_USERAGENT != $this->useragent ) //Use default WP user agent unless custom has been specified |
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84 $args['user-agent'] = $this->useragent; |
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85 |
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86 $res = wp_remote_request($url, $args); |
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87 |
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88 if ( is_wp_error($res) ) { |
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89 $this->error = 'WP HTTP Error: ' . $res->get_error_message(); |
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90 $this->success = false; |
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91 } else { |
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92 $this->headers = $res['headers']; |
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93 $this->body = $res['body']; |
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94 $this->status_code = $res['response']['code']; |
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95 } |
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96 } else { |
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97 if ( ! $this->body = file_get_contents($url) ) { |
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98 $this->error = 'file_get_contents could not read the file'; |
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99 $this->success = false; |
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100 } |
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101 } |
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102 } |
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103 } |