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', $this->lifetime);
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36 | }
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37 |
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38 | function save($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 | }
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