PluginProbe
FeedWordPress / 2009.0613
FeedWordPress v2009.0613
trunk 0.8 0.9 0.91 0.95 0.96 0.97 0.98 0.981 0.99 0.991 0.992 0.993 2008.1030 2008.1101 2008.1105 2008.1214 2009.0612 2009.0613 2009.0618 2009.0707 2009.1111 2009.1112 2010.0127 2010.0528 All 65 releases
← All changes | feedwordpress.php +499 -781 2008.11052009.0613 View file →
@@ -2,13 +2,12 @@
2 2 /*
3 3 Plugin Name: FeedWordPress
4 4 Plugin URI: http://projects.radgeek.com/feedwordpress
5 5 Description: simple and flexible Atom/RSS syndication for WordPress
6 -Version: 2008.1105
6 +Version: 2009.0613
7 7 Author: Charles Johnson
8 8 Author URI: http://radgeek.com/
9 9 License: GPL
10 -Last modified: 2008-11-05 4:35pm PST
11 10 */
12 11
13 12 # This uses code derived from:
14 13 # - wp-rss-aggregate.php by Kellan Elliot-McCrea <kellan@protest.net>
@@ -15,24 +14,30 @@
15 14 # - HTTP Navigator 2 by Keyvan Minoukadeh <keyvan@k1m.com>
16 15 # - Ultra-Liberal Feed Finder by Mark Pilgrim <mark@diveintomark.org>
17 16 # according to the terms of the GNU General Public License.
18 17 #
19 -# INSTALLATION: see README.text or <http://projects.radgeek.com/install>
18 +# INSTALLATION: see readme.txt or <http://projects.radgeek.com/install>
20 19 #
21 20 # USAGE: once FeedWordPress is installed, you manage just about everything from
22 -# the WordPress Dashboard, under Options --> Syndication or Links --> Syndicated
23 -# To ensure that fresh content is added as it becomes available, get your
24 -# contributors to put your XML-RPC URI (if WordPress is installed at
21 +# the WordPress Dashboard, under the Syndication menu. To ensure that fresh
22 +# content is added as it becomes available, you can convince your contributors
23 +# to put your XML-RPC URI (if WordPress is installed at
25 24 # <http://www.zyx.com/blog>, XML-RPC requests should be sent to
26 -# <http://www.zyx.com/blog/xmlrpc.php>), or see `update-feeds.php`
25 +# <http://www.zyx.com/blog/xmlrpc.php>), or update manually under the
26 +# Syndication menu, or set up automatic updates under Syndication --> Settings,
27 +# or use a cron job.
27 28
28 29 # -- Don't change these unless you know what you're doing...
29 30
30 -define ('FEEDWORDPRESS_VERSION', '2008.1105');
31 +define ('FEEDWORDPRESS_VERSION', '2009.0612');
31 32 define ('FEEDWORDPRESS_AUTHOR_CONTACT', 'http://radgeek.com/contact');
32 33 define ('DEFAULT_SYNDICATION_CATEGORY', 'Contributors');
33 34
34 -define ('FEEDWORDPRESS_DEBUG', false);
35 +$feedwordpress_debug = get_option('feedwordpress_debug');
36 +if (is_string($feedwordpress_debug)) :
37 + $feedwordpress_debug = ($feedwordpress_debug == 'yes');
38 +endif;
39 +define ('FEEDWORDPRESS_DEBUG', $feedwordpress_debug);
35 40
36 41 define ('FEEDWORDPRESS_CAT_SEPARATOR_PATTERN', '/[:\n]/');
37 42 define ('FEEDWORDPRESS_CAT_SEPARATOR', "\n");
38 43
@@ -45,8 +50,9 @@
45 50 define ('FWP_SCHEMA_21', 4772); // Database schema # for WP 2.1
46 51 define ('FWP_SCHEMA_23', 5495); // Database schema # for WP 2.3
47 52 define ('FWP_SCHEMA_25', 7558); // Database schema # for WP 2.5
48 53 define ('FWP_SCHEMA_26', 8201); // Database schema # for WP 2.6
54 +define ('FWP_SCHEMA_27', 9872); // Database schema # for WP 2.7
49 55
50 56 if (FEEDWORDPRESS_DEBUG) :
51 57 // Help us to pick out errors, if any.
52 58 ini_set('error_reporting', E_ALL & ~E_NOTICE);
@@ -85,8 +91,9 @@
85 91 endif;
86 92 endif;
87 93
88 94 require_once(dirname(__FILE__) . '/compatability.php'); // LEGACY API: Replicate or mock up functions for legacy support purposes
95 +require_once(dirname(__FILE__) . '/feedwordpresshtml.class.php');
89 96
90 97 // Magic quotes are just about the stupidest thing ever.
91 98 if (is_array($_POST)) :
92 99 $fwp_post = stripslashes_deep($_POST);
@@ -160,9 +167,11 @@
160 167 remove_filter('pre_link_url', 'wp_filter_kses');
161 168
162 169 # Admin menu
163 170 add_action('admin_menu', 'fwp_add_pages');
164 -
171 + add_action('admin_notices', 'fwp_check_debug');
172 + add_action('admin_notices', 'fwp_check_magpie');
173 +
165 174 # Inbound XML-RPC update methods
166 175 add_filter('xmlrpc_methods', 'feedwordpress_xmlrpc_hook');
167 176
168 177 # Outbound XML-RPC ping reform
@@ -186,10 +195,12 @@
186 195 endif;
187 196
188 197 # Cron-less auto-update. Hooray!
189 198 add_action('init', 'feedwordpress_auto_update');
199 + add_action('init', 'feedwordpress_check_for_magpie_fix');
190 200
191 201 # Default sanitizers
202 + add_filter('syndicated_item_content', array('SyndicatedPost', 'resolve_relative_uris'), 0, 2);
192 203 add_filter('syndicated_item_content', array('SyndicatedPost', 'sanitize_content'), 0, 2);
193 204
194 205 else :
195 206 # Hook in the menus, which will just point to the upgrade interface
@@ -195,8 +206,33 @@
195 206 # Hook in the menus, which will just point to the upgrade interface
196 207 add_action('admin_menu', 'fwp_add_pages');
197 208 endif; // if (!FeedWordPress::needs_upgrade())
198 209
210 +function feedwordpress_check_for_magpie_fix () {
211 + if (isset($_POST['action']) and $_POST['action']=='fix_magpie_version') :
212 + FeedWordPressCompatibility::validate_http_request(/*action=*/ 'feedwordpress_fix_magpie', /*capability=*/ 'edit_files');
213 +
214 + $back_to = $_SERVER['REQUEST_URI'];
215 + if (isset($_POST['ignore'])) :
216 + // kill error message by telling it we ignored the upgrade request for this version
217 + update_option('feedwordpress_magpie_ignored_upgrade_to', EXPECTED_MAGPIE_VERSION);
218 + $ret = 'ignored';
219 + elseif (isset($_POST['upgrade'])) :
220 + $source = dirname(__FILE__)."/MagpieRSS-upgrade/rss.php";
221 + $destination = ABSPATH . WPINC . '/rss.php';
222 + $success = @copy($source, $destination);
223 + $ret = (int) $success;
224 + endif;
225 +
226 + if (strpos($back_to, '?')===false) : $sep = '?';
227 + else : $sep = '&';
228 + endif;
229 +
230 + header("Location: {$back_to}{$sep}feedwordpress_magpie_fix=".$ret);
231 + exit;
232 + endif;
233 +} /* feedwordpress_check_for_magpie_fix() */
234 +
199 235 function feedwordpress_auto_update () {
200 236 if (FeedWordPress::stale()) :
201 237 $feedwordpress =& new FeedWordPress;
202 238 $feedwordpress->update();
@@ -360,9 +396,13 @@
360 396
361 397 function feedwordpress_preserve_syndicated_content ($text) {
362 398 global $feedwordpress_the_syndicated_content;
363 399
364 - if ( is_syndicated() and get_option('feedwordpress_formatting_filters') != 'yes' ) :
400 + $globalExpose = (get_option('feedwordpress_formatting_filters') == 'yes');
401 + $localExpose = get_post_custom_values('_feedwordpress_formatting_filters');
402 + $expose = ($globalExpose or ((count($localExpose) > 0) and $localExpose[0]));
403 +
404 + if ( is_syndicated() and !$expose ) :
365 405 $feedwordpress_the_syndicated_content = $text;
366 406 else :
367 407 $feedwordpress_the_syndicated_content = NULL;
368 408 endif;
@@ -421,14 +461,142 @@
421 461 function fwp_add_pages () {
422 462 global $fwp_capability;
423 463 global $fwp_path;
424 464
425 - add_menu_page('Syndicated Sites', 'Syndication', $fwp_capability['manage_links'], $fwp_path.'/syndication.php');
426 - add_submenu_page($fwp_path.'/syndication.php', 'Syndicated Authors', 'Authors', $fwp_capability['manage_options'], $fwp_path.'/authors.php');
427 - add_submenu_page($fwp_path.'/syndication.php', 'Syndication Options', 'Options', $fwp_capability['manage_options'], $fwp_path.'/syndication-options.php');
428 - add_options_page('Syndication Options', 'Syndication', $fwp_capability['manage_options'], $fwp_path.'/syndication-options.php');
429 -} // function fwp_add_pages () */
465 + $menu = array('Syndicated Sites', 'Syndication', $fwp_capability['manage_links'], $fwp_path.'/syndication.php', NULL);
466 + if (fwp_test_wp_version(FWP_SCHEMA_27)) :
467 + // add icon parameter
468 + $menu[] = WP_PLUGIN_URL.'/'.$fwp_path.'/feedwordpress-tiny.png';
469 + endif;
430 470
471 + if (fwp_test_wp_version(FWP_SCHEMA_26)) :
472 + $options = __('Settings');
473 + $longoptions = __('Syndication Settings');
474 + else :
475 + $options = __('Options');
476 + $longoptions = __('Syndication Options');
477 + endif;
478 +
479 + call_user_func_array('add_menu_page', $menu);
480 + add_submenu_page($fwp_path.'/syndication.php', 'Syndicated Posts', 'Posts', $fwp_capability['manage_options'], $fwp_path.'/posts-page.php');
481 + add_submenu_page($fwp_path.'/syndication.php', 'Syndicated Authors', 'Authors', $fwp_capability['manage_options'], $fwp_path.'/authors-page.php');
482 + add_submenu_page($fwp_path.'/syndication.php', 'Categories & Tags', 'Categories & Tags', $fwp_capability['manage_options'], $fwp_path.'/categories-page.php');
483 + add_submenu_page($fwp_path.'/syndication.php', $longoptions, $options, $fwp_capability['manage_options'], $fwp_path.'/syndication-options.php');
484 +
485 + add_options_page($longoptions, 'Syndication', $fwp_capability['manage_options'], $fwp_path.'/syndication-options.php');
486 +} /* function fwp_add_pages () */
487 +
488 +function fwp_check_debug () {
489 + // This is a horrible fucking kludge that I have to do because the
490 + // admin notice code is triggered before the code that updates the
491 + // setting.
492 + if (isset($_POST['feedwordpress_debug'])) :
493 + $feedwordpress_debug = $_POST['feedwordpress_debug'];
494 + else :
495 + $feedwordpress_debug = get_option('feedwordpress_debug');
496 + endif;
497 + if ($feedwordpress_debug==='yes') :
498 +?>
499 + <div class="error">
500 +<p><strong>FeedWordPress warning.</strong> Debugging mode is <strong>ON</strong>.
501 +While it remains on, FeedWordPress displays many diagnostic error messages,
502 +warnings, and notices that are ordinarily suppressed, and also turns off all
503 +caching of feeds. Use with caution: this setting is absolutely inappropriate
504 +for a production server.</p>
505 + </div>
506 +<?php
507 + endif;
508 +} /* function fwp_check_debug () */
509 +
510 +define('EXPECTED_MAGPIE_VERSION', '2009.0613');
511 +function fwp_check_magpie () {
512 + if (isset($_REQUEST['feedwordpress_magpie_fix'])) :
513 + if ($_REQUEST['feedwordpress_magpie_fix']=='ignored') :
514 +?>
515 +<div class="updated fade">
516 +<p>O.K., we'll ignore the problem for now. FeedWordPress will not display any
517 +more error messages.</p>
518 +</div>
519 +<?php
520 + elseif ((bool) $_REQUEST['feedwordpress_magpie_fix']) :
521 +?>
522 +<div class="updated fade">
523 +<p>Congratulations! Your MagpieRSS has been successfully upgraded to the version
524 +shipped with FeedWordPress.</p>
525 +</div>
526 +<?php
527 + else :
528 + $source = dirname(__FILE__)."/MagpieRSS-upgrade/rss.php";
529 + $destination = ABSPATH . WPINC . '/rss.php';
530 + $cmd = "cp '".htmlspecialchars(addslashes($source))."' '".htmlspecialchars(addslashes($destination))."'";
531 + $cmd = wordwrap($cmd, /*width=*/ 75, /*break=*/ " \\\n\t");
532 +
533 +?>
534 +<div class="error">
535 +<p><strong>FeedWordPress was unable to automatically upgrade your copy of MagpieRSS.</strong></p>
536 +<p>It's likely that you need to change the file permissions on <code><?php print htmlspecialchars($source); ?></code>
537 +to allow FeedWordPress to overwrite it.</p>
538 +<p><strong>To perform the upgrade manually,</strong> you can
539 +use a SFTP or FTP client to upload a copy of <code>rss.php</code> from the
540 +<code>MagpieRSS-upgrades/</code> directory of your FeedWordPress archive so that
541 +it overwrites <code><?php print htmlspecialchars($destination); ?></code>. Or,
542 +if your web host provides shell access, you can issue the following command from
543 +a command prompt to perform the upgrade:</p>
544 +<pre>
545 +<samp>$</samp> <kbd><?php print $cmd; ?></kbd>
546 +</pre>
547 +<p><strong>If you've fixed the file permissions,</strong> you can try the
548 +automatic upgrade again.</p>
549 +
550 +<?php feedwordpress_upgrade_old_and_busted_buttons(); ?>
551 +</div>
552 +<?php
553 + endif;
554 + else :
555 + $magpie_version = FeedWordPress::magpie_version();
556 +
557 + $ignored = get_option('feedwordpress_magpie_ignored_upgrade_to');
558 + if (EXPECTED_MAGPIE_VERSION != $magpie_version and EXPECTED_MAGPIE_VERSION != $ignored) :
559 + if (current_user_can('edit_files')) :
560 + $youAre = 'you are';
561 + $itIsRecommendedThatYou = 'It is <strong>strongly recommended</strong> that you';
562 + else :
563 + $youAre = 'this site is';
564 + $itIsRecommendedThatYou = 'You may want to contact the administrator of the site; it is <strong>strongly recommended</strong> that they';
565 + endif;
566 + print '<div class="error">';
567 +?>
568 +<p style="font-style: italic"><strong>FeedWordPress has detected that <?php print $youAre; ?> currently using a version of
569 +MagpieRSS other than the upgraded version that ships with this version of FeedWordPress.</strong></p>
570 +<ul>
571 +<li><strong>Currently running:</strong> MagpieRSS <?php print $magpie_version; ?></li>
572 +<li><strong>Version included with FeedWordPress <?php print FEEDWORDPRESS_VERSION; ?>:</strong> MagpieRSS <?php print EXPECTED_MAGPIE_VERSION; ?></li>
573 +</ul>
574 +<p><?php print $itIsRecommendedThatYou; ?> install the upgraded
575 +version of MagpieRSS supplied with FeedWordPress. The version of
576 +MagpieRSS that ships with WordPress is very old and buggy, and
577 +encounters a number of errors when trying to parse modern Atom
578 +and RSS feeds.</p>
579 +<?php
580 + feedwordpress_upgrade_old_and_busted_buttons();
581 + print '</div>';
582 + endif;
583 + endif;
584 +}
585 +
586 +function feedwordpress_upgrade_old_and_busted_buttons() {
587 + if (current_user_can('edit_files')) :
588 +?>
589 +<form action="" method="post"><div>
590 +<?php FeedWordPressCompatibility::stamp_nonce('feedwordpress_fix_magpie'); ?>
591 +<input type="hidden" name="action" value="fix_magpie_version" />
592 +<input class="button-secondary" type="submit" name="ignore" value="<?php _e('Ignore this problem'); ?>" />
593 +<input class="button-primary" type="submit" name="upgrade" value="<?php _e('Upgrade'); ?>" />
594 +</div></form>
595 +<?php
596 + endif;
597 +}
598 +
431 599 ################################################################################
432 600 ## fwp_hold_pings() and fwp_release_pings(): Outbound XML-RPC ping reform ####
433 601 ## ... 'coz it's rude to send 500 pings the first time your aggregator runs ####
434 602 ################################################################################
@@ -694,9 +862,9 @@
694 862 if (function_exists('wp_insert_link')) { // WordPress 2.x
695 863 $link_id = wp_insert_link(array(
696 864 "link_name" => $name,
697 865 "link_url" => $uri,
698 - "link_category" => array($cat_id),
866 + "link_category" => (fwp_test_wp_version(0, FWP_SCHEMA_21) ? $cat_id : array($cat_id)),
699 867 "link_rss" => $rss
700 868 ));
701 869 } else { // WordPress 1.5.x
702 870 $result = $wpdb->query("
@@ -782,12 +950,12 @@
782 950 // WordPress 2.3 introduces a new taxonomy/term API
783 951 if (function_exists('is_term')) :
784 952 $cat_id = is_term($cat, 'link_category');
785 953 // WordPress 2.1 and 2.2 use a common table for both link and post categories
786 - elseif (isset($wp_db_version) and ($wp_db_version >= FWP_SCHEMA_21 and $wp_db_version < FWP_SCHEMA_23) ) :
954 + elseif (fwp_test_wp_version(FWP_SCHEMA_21, FWP_SCHEMA_23)) :
787 955 $cat_id = $wpdb->get_var("SELECT cat_id FROM {$wpdb->categories} WHERE cat_name='$cat'");
788 956 // WordPress 1.5 and 2.0.x have a separate table for link categories
789 - elseif (!isset($wp_db_version) or $wp_db_version < FWP_SCHEMA_21) :
957 + elseif (fwp_test_wp_version(0, FWP_SCHEMA_21)):
790 958 $cat_id = $wpdb->get_var("SELECT cat_id FROM {$wpdb->linkcategories} WHERE cat_name='$cat'");
791 959 // This should never happen.
792 960 else :
793 961 FeedWordPress::critical_bug('FeedWordPress::link_category_id::wp_db_version', $wp_db_version, __LINE__);
@@ -800,12 +968,12 @@
800 968 if (function_exists('wp_insert_term')) :
801 969 $term = wp_insert_term($cat, 'link_category');
802 970 $cat_id = $term['term_id'];
803 971 // WordPress 2.1, 2.2 category API. By the way, why the fuck is this API function only available in a wp-admin module?
804 - elseif (function_exists('wp_insert_category')) :
972 + elseif (function_exists('wp_insert_category') and !fwp_test_wp_version(FWP_SCHEMA_20, FWP_SCHEMA_21)) :
805 973 $cat_id = wp_insert_category(array('cat_name' => $cat));
806 974 // WordPress 1.5 and 2.0.x
807 - elseif (!isset($wp_db_version) or $wp_db_version < FWP_SCHEMA_21) :
975 + elseif (fwp_test_wp_version(0, FWP_SCHEMA_21)) :
808 976 $result = $wpdb->query("
809 977 INSERT INTO $wpdb->linkcategories
810 978 SET
811 979 cat_id = 0,
@@ -923,8 +1091,15 @@
923 1091 CREATE INDEX {$wpdb->posts}_guid_idx ON {$wpdb->posts}(guid)
924 1092 ");
925 1093 } /* FeedWordPress::create_guid_index () */
926 1094
1095 + function magpie_version () {
1096 + if (!defined('MAGPIE_VERSION')) : $magpie_version = $GLOBALS['wp_version'].'-default';
1097 + else : $magpie_version = MAGPIE_VERSION;
1098 + endif;
1099 + return $magpie_version;
1100 + }
1101 +
927 1102 # Utility functions for handling text settings
928 1103 function negative ($f, $setting) {
929 1104 $nego = array ('n', 'no', 'f', 'false');
930 1105 return (isset($f[$setting]) and in_array(strtolower($f[$setting]), $nego));
@@ -939,18 +1114,29 @@
939 1114 # Internal debugging functions
940 1115 function critical_bug ($varname, $var, $line) {
941 1116 global $wp_version;
942 1117
1118 + if (defined('MAGPIE_VERSION')) : $mv = MAGPIE_VERSION;
1119 + else : $mv = 'WordPress '.$wp_version.' default.';
1120 + endif;
1121 +
943 1122 echo '<p>There may be a bug in FeedWordPress. Please <a href="'.FEEDWORDPRESS_AUTHOR_CONTACT.'">contact the author</a> and paste the following information into your e-mail:</p>';
944 1123 echo "\n<plaintext>";
945 1124 echo "Triggered at line # ".$line."\n";
946 1125 echo "FeedWordPress version: ".FEEDWORDPRESS_VERSION."\n";
947 - echo "WordPress version: $wp_version\n";
1126 + echo "MagpieRSS version: {$mv}\n";
1127 + echo "WordPress version: {$wp_version}\n";
948 1128 echo "PHP version: ".phpversion()."\n";
949 1129 echo "\n";
950 1130 echo $varname.": "; var_dump($var); echo "\n";
951 1131 die;
952 1132 }
1133 +
1134 + function noncritical_bug ($varname, $var, $line) {
1135 + if (FEEDWORDPRESS_DEBUG) : // halt only when we are doing debugging
1136 + FeedWordPress::critical_bug($varname, $var, $line);
1137 + endif;
1138 + }
953 1139 } // class FeedWordPress
954 1140
955 1141 class SyndicatedPost {
956 1142 var $item = null;
@@ -959,9 +1145,8 @@
959 1145 var $feed = null;
960 1146 var $feedmeta = null;
961 1147
962 1148 var $post = array ();
963 - var $_base = null;
964 1149
965 1150 var $_freshness = null;
966 1151 var $_wp_id = null;
967 1152
@@ -1005,9 +1190,11 @@
1005 1190 $this->post['named']['author'] = apply_filters('syndicated_item_author', $this->author(), $this);
1006 1191
1007 1192 # Identify content and sanitize it.
1008 1193 # ---------------------------------
1009 - if (isset($this->item['xhtml']['body'])) :
1194 + if (isset($this->item['atom_content'])) :
1195 + $content = $this->item['atom_content'];
1196 + elseif (isset($this->item['xhtml']['body'])) :
1010 1197 $content = $this->item['xhtml']['body'];
1011 1198 elseif (isset($this->item['xhtml']['div'])) :
1012 1199 $content = $this->item['xhtml']['div'];
1013 1200 elseif (isset($this->item['content']['encoded']) and $this->item['content']['encoded']):
@@ -1056,8 +1243,26 @@
1056 1243
1057 1244 // Unique ID (hopefully a unique tag: URI); failing that, the permalink
1058 1245 $this->post['guid'] = apply_filters('syndicated_item_guid', $this->guid(), $this);
1059 1246
1247 + // User-supplied custom settings to apply to each post. Do first so that FWP-generated custom settings will overwrite if necessary; thus preventing any munging
1248 + $default_custom_settings = get_option('feedwordpress_custom_settings');
1249 + if ($default_custom_settings) :
1250 + $default_custom_settings = unserialize($default_custom_settings);
1251 + endif;
1252 + if (!is_array($default_custom_settings)) :
1253 + $default_custom_settings = array();
1254 + endif;
1255 +
1256 + $custom_settings = $this->link->settings['postmeta'];
1257 + if ($custom_settings) :
1258 + $custom_settings = unserialize($custom_settings);
1259 + endif;
1260 + if (!is_array($custom_settings)) :
1261 + $custom_settings = array();
1262 + endif;
1263 + $this->post['meta'] = array_merge($default_custom_settings, $custom_settings);
1264 +
1060 1265 // RSS 2.0 / Atom 1.0 enclosure support
1061 1266 if ( isset($this->item['enclosure#']) ) :
1062 1267 for ($i = 1; $i <= $this->item['enclosure#']; $i++) :
1063 1268 $eid = (($i > 1) ? "#{$id}" : "");
@@ -1147,9 +1352,9 @@
1147 1352
1148 1353 // Tags: start with default tags, if any
1149 1354 $ft = get_option("feedwordpress_syndication_tags");
1150 1355 if ($ft) :
1151 - $this->post['tags_input'] = explode('FEEDWORDPRESS_CAT_SEPARATOR', $ft);
1356 + $this->post['tags_input'] = explode(FEEDWORDPRESS_CAT_SEPARATOR, $ft);
1152 1357 else :
1153 1358 $this->post['tags_input'] = array();
1154 1359 endif;
1155 1360
@@ -1298,187 +1503,223 @@
1298 1503 } // function SyndicatedPost::store ()
1299 1504
1300 1505 function insert_new () {
1301 1506 global $wpdb, $wp_db_version;
1507 +
1508 + $dbpost = $this->normalize_post(/*new=*/ true);
1509 + if (!is_null($dbpost)) :
1510 + if ($this->use_api('wp_insert_post')) :
1511 + $dbpost['post_pingback'] = false; // Tell WP 2.1 and 2.2 not to process for pingbacks
1512 +
1513 + // This is a ridiculous fucking kludge necessitated by WordPress 2.6 munging authorship meta-data
1514 + add_action('_wp_put_post_revision', array($this, 'fix_revision_meta'));
1515 +
1516 + // Kludge to prevent kses filters from stripping the
1517 + // content of posts when updating without a logged in
1518 + // user who has `unfiltered_html` capability.
1519 + add_filter('content_save_pre', array($this, 'avoid_kses_munge'), 11);
1520 +
1521 + $this->_wp_id = wp_insert_post($dbpost);
1522 +
1523 + // Turn off ridiculous fucking kludges #1 and #2
1524 + remove_action('_wp_put_post_revision', array($this, 'fix_revision_meta'));
1525 + remove_filter('content_save_pre', array($this, 'avoid_kses_munge'), 11);
1526 +
1527 + $this->validate_post_id($dbpost, array(__CLASS__, __FUNCTION__));
1528 +
1529 + // Unfortunately, as of WordPress 2.3, wp_insert_post()
1530 + // *still* offers no way to use a guid of your choice,
1531 + // and munges your post modified timestamp, too.
1532 + $result = $wpdb->query("
1533 + UPDATE $wpdb->posts
1534 + SET
1535 + guid='{$dbpost['guid']}',
1536 + post_modified='{$dbpost['post_modified']}',
1537 + post_modified_gmt='{$dbpost['post_modified_gmt']}'
1538 + WHERE ID='{$this->_wp_id}'
1539 + ");
1540 + else :
1541 + # The right way to do this is the above. But, alas,
1542 + # in earlier versions of WordPress, wp_insert_post has
1543 + # too much behavior (mainly related to pings) that can't
1544 + # be overridden. In WordPress 1.5, it's enough of a
1545 + # resource hog to make PHP segfault after inserting
1546 + # 50-100 posts. This can get pretty annoying, especially
1547 + # if you are trying to update your feeds for the first
1548 + # time.
1549 +
1550 + $result = $wpdb->query("
1551 + INSERT INTO $wpdb->posts
1552 + SET
1553 + guid = '{$dbpost['guid']}',
1554 + post_author = '{$dbpost['post_author']}',
1555 + post_date = '{$dbpost['post_date']}',
1556 + post_date_gmt = '{$dbpost['post_date_gmt']}',
1557 + post_content = '{$dbpost['post_content']}',"
1558 + .(isset($dbpost['post_excerpt']) ? "post_excerpt = '{$dbpost['post_excerpt']}'," : "")."
1559 + post_title = '{$dbpost['post_title']}',
1560 + post_name = '{$dbpost['post_name']}',
1561 + post_modified = '{$dbpost['post_modified']}',
1562 + post_modified_gmt = '{$dbpost['post_modified_gmt']}',
1563 + comment_status = '{$dbpost['comment_status']}',
1564 + ping_status = '{$dbpost['ping_status']}',
1565 + post_status = '{$dbpost['post_status']}'
1566 + ");
1567 + $this->_wp_id = $wpdb->insert_id;
1568 +
1569 + $this->validate_post_id($dbpost, array(__CLASS__, __FUNCTION__));
1570 +
1571 + // WordPress 1.5.x - 2.0.x
1572 + wp_set_post_cats('1', $this->wp_id(), $this->post['post_category']);
1302 1573
1303 - // Why the fuck doesn't wp_insert_post already do this?
1304 - foreach ($this->post as $key => $value) :
1305 - if (is_string($value)) :
1306 - $dbpost[$key] = $wpdb->escape($value);
1307 - else :
1308 - $dbpost[$key] = $value;
1574 + // Since we are not going through official channels, we need to
1575 + // manually tell WordPress that we've published a new post.
1576 + // We need to make sure to do this in order for FeedWordPress
1577 + // to play well with the staticize-reloaded plugin (something
1578 + // that a large aggregator website is going to *want* to be
1579 + // able to use).
1580 + do_action('publish_post', $this->_wp_id);
1309 1581 endif;
1310 - endforeach;
1311 -
1312 - if (strlen($dbpost['post_title'].$dbpost['post_content'].$dbpost['post_excerpt']) == 0) :
1313 - // FIXME: Option for filtering out empty posts
1314 1582 endif;
1315 - if (strlen($dbpost['post_title'])==0) :
1316 - $dbpost['post_title'] = $this->post['meta']['syndication_source']
1317 - .' '.gmdate('Y-m-d H:i:s', $this->published() + $offset);
1318 - // FIXME: Option for what to fill a blank title with...
1319 - endif;
1583 + } /* SyndicatedPost::insert_new() */
1320 1584
1321 - if ($this->use_api('wp_insert_post')) :
1322 - $dbpost['post_pingback'] = false; // Tell WP 2.1 and 2.2 not to process for pingbacks
1585 + function update_existing () {
1586 + global $wpdb;
1323 1587
1324 - // This is a ridiculous fucking kludge necessitated by WordPress 2.6 munging authorship meta-data
1325 - add_action('_wp_put_post_revision', array($this, 'fix_revision_meta'));
1326 -
1327 - // Kludge to prevent kses filters from stripping the
1328 - // content of posts when updating without a logged in
1329 - // user who has `unfiltered_html` capability.
1330 - add_filter('content_save_pre', array($this, 'avoid_kses_munge'), 11);
1331 -
1332 - $this->_wp_id = wp_insert_post($dbpost);
1588 + // Why the fuck doesn't wp_insert_post already do this?
1589 + $dbpost = $this->normalize_post(/*new=*/ false);
1590 + if (!is_null($dbpost)) :
1591 + if ($this->use_api('wp_insert_post')) :
1592 + $dbpost['post_pingback'] = false; // Tell WP 2.1 and 2.2 not to process for pingbacks
1593 +
1594 + // This is a ridiculous fucking kludge necessitated by WordPress 2.6 munging authorship meta-data
1595 + add_action('_wp_put_post_revision', array($this, 'fix_revision_meta'));
1596 +
1597 + // Kludge to prevent kses filters from stripping the
1598 + // content of posts when updating without a logged in
1599 + // user who has `unfiltered_html` capability.
1600 + add_filter('content_save_pre', array($this, 'avoid_kses_munge'), 11);
1333 1601
1334 - // Turn off ridiculous fucking kludges #1 and #2
1335 - remove_action('_wp_put_post_revision', array($this, 'fix_revision_meta'));
1336 - remove_filter('content_save_pre', array($this, 'avoid_kses_munge'), 11);
1602 + // Don't munge status fields that the user may have reset manually
1603 + if (function_exists('get_post_field')) :
1604 + $doNotMunge = array('post_status', 'comment_status', 'ping_status');
1605 + foreach ($doNotMunge as $field) :
1606 + $dbpost[$field] = get_post_field($field, $this->wp_id());
1607 + endforeach;
1608 + endif;
1337 1609
1338 - // This should never happen.
1339 - if (!is_numeric($this->_wp_id) or ($this->_wp_id == 0)) :
1340 - FeedWordPress::critical_bug('SyndicatedPost (_wp_id problem)', array("dbpost" => $dbpost, "this" => $this), __LINE__);
1341 - endif;
1610 + $this->_wp_id = wp_insert_post($dbpost);
1342 1611
1343 - // Unfortunately, as of WordPress 2.3, wp_insert_post()
1344 - // *still* offers no way to use a guid of your choice,
1345 - // and munges your post modified timestamp, too.
1346 - $result = $wpdb->query("
1612 + // Turn off ridiculous fucking kludges #1 and #2
1613 + remove_action('_wp_put_post_revision', array($this, 'fix_revision_meta'));
1614 + remove_filter('content_save_pre', array($this, 'avoid_kses_munge'), 11);
1615 +
1616 + $this->validate_post_id($dbpost, array(__CLASS__, __FUNCTION__));
1617 +
1618 + // Unfortunately, as of WordPress 2.3, wp_insert_post()
1619 + // munges your post modified timestamp.
1620 + $result = $wpdb->query("
1621 + UPDATE $wpdb->posts
1622 + SET
1623 + post_modified='{$dbpost['post_modified']}',
1624 + post_modified_gmt='{$dbpost['post_modified_gmt']}'
1625 + WHERE ID='{$this->_wp_id}'
1626 + ");
1627 + else :
1628 +
1629 + $result = $wpdb->query("
1347 1630 UPDATE $wpdb->posts
1348 1631 SET
1349 - guid='{$dbpost['guid']}',
1350 - post_modified='{$dbpost['post_modified']}',
1351 - post_modified_gmt='{$dbpost['post_modified_gmt']}'
1352 - WHERE ID='{$this->_wp_id}'
1353 - ");
1354 - else :
1355 - # The right way to do this is the above. But, alas,
1356 - # in earlier versions of WordPress, wp_insert_post has
1357 - # too much behavior (mainly related to pings) that can't
1358 - # be overridden. In WordPress 1.5, it's enough of a
1359 - # resource hog to make PHP segfault after inserting
1360 - # 50-100 posts. This can get pretty annoying, especially
1361 - # if you are trying to update your feeds for the first
1362 - # time.
1363 -
1364 - $result = $wpdb->query("
1365 - INSERT INTO $wpdb->posts
1366 - SET
1367 - guid = '{$dbpost['guid']}',
1368 - post_author = '{$dbpost['post_author']}',
1369 - post_date = '{$dbpost['post_date']}',
1370 - post_date_gmt = '{$dbpost['post_date_gmt']}',
1371 - post_content = '{$dbpost['post_content']}',"
1372 - .(isset($dbpost['post_excerpt']) ? "post_excerpt = '{$dbpost['post_excerpt']}'," : "")."
1373 - post_title = '{$dbpost['post_title']}',
1374 - post_name = '{$dbpost['post_name']}',
1375 - post_modified = '{$dbpost['post_modified']}',
1376 - post_modified_gmt = '{$dbpost['post_modified_gmt']}',
1377 - comment_status = '{$dbpost['comment_status']}',
1378 - ping_status = '{$dbpost['ping_status']}',
1379 - post_status = '{$dbpost['post_status']}'
1380 - ");
1381 - $this->_wp_id = $wpdb->insert_id;
1382 -
1383 - // This should never happen.
1384 - if (!is_numeric($this->_wp_id) or ($this->_wp_id == 0)) :
1385 - FeedWordPress::critical_bug('SyndicatedPost (_wp_id problem)', array("dbpost" => $dbpost, "this" => $this), __LINE__);
1632 + post_author = '{$dbpost['post_author']}',
1633 + post_content = '{$dbpost['post_content']}',"
1634 + .(isset($dbpost['post_excerpt']) ? "post_excerpt = '{$dbpost['post_excerpt']}'," : "")."
1635 + post_title = '{$dbpost['post_title']}',
1636 + post_name = '{$dbpost['post_name']}',
1637 + post_modified = '{$dbpost['post_modified']}',
1638 + post_modified_gmt = '{$dbpost['post_modified_gmt']}'
1639 + WHERE guid='{$dbpost['guid']}'
1640 + ");
1641 +
1642 + // WordPress 2.1.x and up
1643 + if (function_exists('wp_set_post_categories')) :
1644 + wp_set_post_categories($this->wp_id(), $this->post['post_category']);
1645 + // WordPress 1.5.x - 2.0.x
1646 + elseif (function_exists('wp_set_post_cats')) :
1647 + wp_set_post_cats('1', $this->wp_id(), $this->post['post_category']);
1648 + // This should never happen.
1649 + else :
1650 + FeedWordPress::critical_bug(__CLASS__.'::'.__FUNCTION.'(): no post categorizing function', array("dbpost" => $dbpost, "this" => $this), __LINE__);
1651 + endif;
1652 +
1653 + // Since we are not going through official channels, we need to
1654 + // manually tell WordPress that we've published a new post.
1655 + // We need to make sure to do this in order for FeedWordPress
1656 + // to play well with the staticize-reloaded plugin (something
1657 + // that a large aggregator website is going to *want* to be
1658 + // able to use).
1659 + do_action('edit_post', $this->post['ID']);
1386 1660 endif;
1387 -
1388 - // WordPress 1.5.x - 2.0.x
1389 - wp_set_post_cats('1', $this->wp_id(), $this->post['post_category']);
1390 -
1391 - // Since we are not going through official channels, we need to
1392 - // manually tell WordPress that we've published a new post.
1393 - // We need to make sure to do this in order for FeedWordPress
1394 - // to play well with the staticize-reloaded plugin (something
1395 - // that a large aggregator website is going to *want* to be
1396 - // able to use).
1397 - do_action('publish_post', $this->_wp_id);
1398 1661 endif;
1399 - } /* SyndicatedPost::insert_new() */
1662 + } /* SyndicatedPost::update_existing() */
1400 1663
1401 - function update_existing () {
1664 + /**
1665 + * SyndicatedPost::normalize_post()
1666 + *
1667 + * @param bool $new If true, this post is to be inserted anew. If false, it is an update of an existing post.
1668 + * @return array A normalized representation of the post ready to be inserted into the database or sent to the WordPress API functions
1669 + */
1670 + function normalize_post ($new = true) {
1402 1671 global $wpdb;
1403 1672
1673 + $out = array();
1674 +
1404 1675 // Why the fuck doesn't wp_insert_post already do this?
1405 - $dbpost = array();
1406 1676 foreach ($this->post as $key => $value) :
1407 1677 if (is_string($value)) :
1408 - $dbpost[$key] = $wpdb->escape($value);
1678 + $out[$key] = $wpdb->escape($value);
1409 1679 else :
1410 - $dbpost[$key] = $value;
1680 + $out[$key] = $value;
1411 1681 endif;
1412 1682 endforeach;
1413 1683
1414 - if ($this->use_api('wp_insert_post')) :
1415 - $dbpost['post_pingback'] = false; // Tell WP 2.1 and 2.2 not to process for pingbacks
1684 + if (strlen($out['post_title'].$out['post_content'].$out['post_excerpt']) == 0) :
1685 + // FIXME: Option for filtering out empty posts
1686 + endif;
1687 + if (strlen($out['post_title'])==0) :
1688 + $offset = (int) get_option('gmt_offset') * 60 * 60;
1689 + $out['post_title'] =
1690 + $this->post['meta']['syndication_source']
1691 + .' '.gmdate('Y-m-d H:i:s', $this->published() + $offset);
1692 + // FIXME: Option for what to fill a blank title with...
1693 + endif;
1416 1694
1417 - // This is a ridiculous fucking kludge necessitated by WordPress 2.6 munging authorship meta-data
1418 - add_action('_wp_put_post_revision', array($this, 'fix_revision_meta'));
1695 + return $out;
1696 + }
1419 1697
1420 - // Kludge to prevent kses filters from stripping the
1421 - // content of posts when updating without a logged in
1422 - // user who has `unfiltered_html` capability.
1423 - add_filter('content_save_pre', array($this, 'avoid_kses_munge'), 11);
1424 -
1425 - $this->_wp_id = wp_insert_post($dbpost);
1426 -
1427 - // Turn off ridiculous fucking kludges #1 and #2
1428 - remove_action('_wp_put_post_revision', array($this, 'fix_revision_meta'));
1429 - remove_filter('content_save_pre', array($this, 'avoid_kses_munge'), 11);
1430 -
1431 - // This should never happen.
1432 - if (!is_numeric($this->_wp_id) or ($this->_wp_id == 0)) :
1433 - FeedWordPress::critical_bug('SyndicatedPost (_wp_id problem)', array("dbpost" => $dbpost, "this" => $this), __LINE__);
1434 - endif;
1435 -
1436 - // Unfortunately, as of WordPress 2.3, wp_insert_post()
1437 - // munges your post modified timestamp.
1438 - $result = $wpdb->query("
1439 - UPDATE $wpdb->posts
1440 - SET
1441 - post_modified='{$dbpost['post_modified']}',
1442 - post_modified_gmt='{$dbpost['post_modified_gmt']}'
1443 - WHERE ID='{$this->_wp_id}'
1444 - ");
1445 - else :
1446 -
1447 - $result = $wpdb->query("
1448 - UPDATE $wpdb->posts
1449 - SET
1450 - post_author = '{$dbpost['post_author']}',
1451 - post_content = '{$dbpost['post_content']}',"
1452 - .(isset($dbpost['post_excerpt']) ? "post_excerpt = '{$dbpost['post_excerpt']}'," : "")."
1453 - post_title = '{$dbpost['post_title']}',
1454 - post_name = '{$dbpost['post_name']}',
1455 - post_modified = '{$dbpost['post_modified']}',
1456 - post_modified_gmt = '{$dbpost['post_modified_gmt']}'
1457 - WHERE guid='{$dbpost['guid']}'
1458 - ");
1698 + /**
1699 + * SyndicatedPost::validate_post_id()
1700 + *
1701 + * @param array $dbpost An array representing the post we attempted to insert or update
1702 + * @param mixed $ns A string or array representing the namespace (class, method) whence this method was called.
1703 + */
1704 + function validate_post_id ($dbpost, $ns) {
1705 + if (is_array($ns)) : $ns = implode('::', $ns);
1706 + else : $ns = (string) $ns; endif;
1707 +
1708 + // This should never happen.
1709 + if (!is_numeric($this->_wp_id) or ($this->_wp_id == 0)) :
1710 + FeedWordPress::critical_bug(
1711 + /*name=*/ $ns.'::_wp_id',
1712 + /*var =*/ array(
1713 + "\$this->_wp_id" => $this->_wp_id,
1714 + "\$dbpost" => $dbpost,
1715 + "\$this" => $this
1716 + ),
1717 + /*line # =*/ __LINE__
1718 + );
1719 + endif;
1720 + } /* SyndicatedPost::validate_post_id() */
1459 1721
1460 - // WordPress 2.1.x and up
1461 - if (function_exists('wp_set_post_categories')) :
1462 - wp_set_post_categories($this->wp_id(), $this->post['post_category']);
1463 - // WordPress 1.5.x - 2.0.x
1464 - elseif (function_exists('wp_set_post_cats')) :
1465 - wp_set_post_cats('1', $this->wp_id(), $this->post['post_category']);
1466 - // This should never happen.
1467 - else :
1468 - FeedWordPress::critical_bug('SyndicatedPost (_wp_id problem)', array("dbpost" => $dbpost, "this" => $this), __LINE__);
1469 - endif;
1470 -
1471 - // Since we are not going through official channels, we need to
1472 - // manually tell WordPress that we've published a new post.
1473 - // We need to make sure to do this in order for FeedWordPress
1474 - // to play well with the staticize-reloaded plugin (something
1475 - // that a large aggregator website is going to *want* to be
1476 - // able to use).
1477 - do_action('edit_post', $this->post['ID']);
1478 - endif;
1479 - } /* SyndicatedPost::update_existing() */
1480 -
1481 1722 /**
1482 1723 * SyndicatedPost::fix_revision_meta() - Fixes the way WP 2.6+ fucks up
1483 1724 * meta-data (authorship, etc.) when storing revisions of an updated
1484 1725 * syndicated post.
@@ -1741,9 +1982,9 @@
1741 1982 $cat_ids[] = $cat_id;
1742 1983 elseif (get_category($cat_id)) :
1743 1984 $cat_ids[] = $cat_id;
1744 1985 endif;
1745 - else :
1986 + elseif (strlen($cat_name) > 0) :
1746 1987 $esc = $wpdb->escape($cat_name);
1747 1988 $resc = $wpdb->escape(preg_quote($cat_name));
1748 1989
1749 1990 // WordPress 2.3+
@@ -1765,9 +2006,13 @@
1765 2006 elseif ('tag'==$unfamiliar_category) :
1766 2007 $tags[] = $cat_name;
1767 2008 elseif ('create'===$unfamiliar_category) :
1768 2009 $term = wp_insert_term($cat_name, 'category');
1769 - $cat_ids[] = $term['term_id'];
2010 + if (is_wp_error($term)) :
2011 + FeedWordPress::noncritical_bug('term insertion problem', array('cat_name' => $cat_name, 'term' => $term, 'this' => $this), __LINE__);
2012 + else :
2013 + $cat_ids[] = $term['term_id'];
2014 + endif;
1770 2015 endif;
1771 2016
1772 2017 // WordPress 1.5.x - 2.2.x
1773 2018 else :
@@ -1999,25 +2244,87 @@
1999 2244
2000 2245 return $author;
2001 2246 } // SyndicatedPost::author()
2002 2247
2248 + var $uri_attrs = array (
2249 + array('a', 'href'),
2250 + array('applet', 'codebase'),
2251 + array('area', 'href'),
2252 + array('blockquote', 'cite'),
2253 + array('body', 'background'),
2254 + array('del', 'cite'),
2255 + array('form', 'action'),
2256 + array('frame', 'longdesc'),
2257 + array('frame', 'src'),
2258 + array('iframe', 'longdesc'),
2259 + array('iframe', 'src'),
2260 + array('head', 'profile'),
2261 + array('img', 'longdesc'),
2262 + array('img', 'src'),
2263 + array('img', 'usemap'),
2264 + array('input', 'src'),
2265 + array('input', 'usemap'),
2266 + array('ins', 'cite'),
2267 + array('link', 'href'),
2268 + array('object', 'classid'),
2269 + array('object', 'codebase'),
2270 + array('object', 'data'),
2271 + array('object', 'usemap'),
2272 + array('q', 'cite'),
2273 + array('script', 'src')
2274 + ); /* var SyndicatedPost::$uri_attrs */
2275 +
2276 + var $_base = null;
2277 +
2278 + function resolve_single_relative_uri ($refs) {
2279 + $tag = FeedWordPressHTML::attributeMatch($refs);
2280 + $url = Relative_URI::resolve($tag['value'], $this->_base);
2281 + return $tag['prefix'] . $url . $tag['suffix'];
2282 + } /* function SyndicatedPost::resolve_single_relative_uri() */
2283 +
2284 + function resolve_relative_uris ($content, $obj) {
2285 + # The MagpieRSS upgrade has some `xml:base` support baked in.
2286 + # However, sometimes people do silly things, like putting
2287 + # relative URIs out on a production RSS 2.0 feed or other feeds
2288 + # with no good support for `xml:base`. So we'll do our best to
2289 + # try to catch any remaining relative URIs and resolve them as
2290 + # best we can.
2291 + $obj->_base = $obj->item['link']; // Reset the base for resolving relative URIs
2292 +
2293 + foreach ($obj->uri_attrs as $pair) :
2294 + list($tag, $attr) = $pair;
2295 + $pattern = FeedWordPressHTML::attributeRegex($tag, $attr);
2296 + $content = preg_replace_callback (
2297 + $pattern,
2298 + array(&$obj, 'resolve_single_relative_uri'),
2299 + $content
2300 + );
2301 + endforeach;
2302 +
2303 + return $content;
2304 + } /* function SyndicatedPost::resolve_relative_uris () */
2305 +
2003 2306 var $strip_attrs = array (
2004 - array('[a-z]+', 'style'),
2005 - array('[a-z]+', 'target'),
2307 + array('[a-z]+', 'target'),
2308 +// array('[a-z]+', 'style'),
2309 +// array('[a-z]+', 'on[a-z]+'),
2006 2310 );
2311 +
2312 + function strip_attribute_from_tag ($refs) {
2313 + $tag = FeedWordPressHTML::attributeMatch($refs);
2314 + return $tag['before_attribute'].$tag['after_attribute'];
2315 + }
2316 +
2007 2317 function sanitize_content ($content, $obj) {
2008 - # FeedWordPress used to resolve URIs relative to the
2009 - # feed URI. It now relies on the xml:base support
2010 - # baked in to the MagpieRSS upgrade. So all we do here
2011 - # now is to sanitize problematic attributes.
2012 - #
2013 2318 # This kind of sucks. I intend to replace it with
2014 2319 # lib_filter sometime soon.
2015 2320 foreach ($obj->strip_attrs as $pair):
2016 2321 list($tag,$attr) = $pair;
2017 - $content = preg_replace (
2018 - ":(<$tag [^>]*)($attr=(\"[^\">]*\"|[^>\\s]+))([^>]*>):i",
2019 - "\\1\\4",
2322 + $pattern = FeedWordPressHTML::attributeRegex($tag, $attr);
2323 +
2324 + $content = preg_replace_callback (
2325 + $pattern,
2326 + array(&$obj, 'strip_attribute_from_tag'),
2020 2327 $content
2021 2328 );
2022 2329 endforeach;
2023 2330 return $content;
@@ -2023,438 +2330,10 @@
2023 2330 return $content;
2024 2331 }
2025 2332 } // class SyndicatedPost
2026 2333
2027 -# class SyndicatedLink: represents a syndication feed stored within the
2028 -# WordPress database
2029 -#
2030 -# To keep things compact and editable from within WordPress, we use all the
2031 -# links under a particular category in the WordPress "Blogroll" for the list of
2032 -# feeds to syndicate. "Contributors" is the category used by default; you can
2033 -# configure that under Options --> Syndication.
2034 -#
2035 -# Fields used are:
2036 -#
2037 -# * link_rss: the URI of the Atom/RSS feed to syndicate
2038 -#
2039 -# * link_notes: user-configurable options, with keys and values
2040 -# like so:
2041 -#
2042 -# key: value
2043 -# cats: computers\nweb
2044 -# feed/key: value
2045 -#
2046 -# Keys that start with "feed/" are gleaned from the data supplied
2047 -# by the feed itself, and will be overwritten with each update.
2048 -#
2049 -# Values have linebreak characters escaped with C-style
2050 -# backslashes (so, for example, a newline becomes "\n").
2051 -#
2052 -# The value of `cats` is used as a newline-separated list of
2053 -# default categories for any post coming from a particular feed.
2054 -# (In the example above, any posts from this feed will be placed
2055 -# in the "computers" and "web" categories--*in addition to* any
2056 -# categories that may already be applied to the posts.)
2057 -#
2058 -# Values of keys in link_notes are accessible from templates using
2059 -# the function `get_feed_meta($key)` if this plugin is activated.
2334 +require_once(dirname(__FILE__) . '/syndicatedlink.class.php');
2060 2335
2061 -class SyndicatedLink {
2062 - var $id = null;
2063 - var $link = null;
2064 - var $settings = array ();
2065 - var $magpie = null;
2066 -
2067 - function SyndicatedLink ($link) {
2068 - global $wpdb;
2069 -
2070 - if (is_object($link)) :
2071 - $this->link = $link;
2072 - $this->id = $link->link_id;
2073 - else :
2074 - $this->id = $link;
2075 - if (function_exists('get_bookmark')) : // WP 2.1+
2076 - $this->link = get_bookmark($link);
2077 - else :
2078 - $this->link = $wpdb->get_row("
2079 - SELECT * FROM $wpdb->links
2080 - WHERE (link_id = '".$wpdb->escape($link)."')"
2081 - );
2082 - endif;
2083 - endif;
2084 -
2085 - if (strlen($this->link->link_rss) > 0) :
2086 - // Read off feed settings from link_notes
2087 - $notes = explode("\n", $this->link->link_notes);
2088 - foreach ($notes as $note):
2089 - list($key, $value) = explode(": ", $note, 2);
2090 -
2091 - if (strlen($key) > 0) :
2092 - // Unescape and trim() off the whitespace.
2093 - // Thanks to Ray Lischner for pointing out the
2094 - // need to trim off whitespace.
2095 - $this->settings[$key] = stripcslashes (trim($value));
2096 - endif;
2097 - endforeach;
2098 -
2099 - // "Magic" feed settings
2100 - $this->settings['link/uri'] = $this->link->link_rss;
2101 - $this->settings['link/name'] = $this->link->link_name;
2102 - $this->settings['link/id'] = $this->link->link_id;
2103 -
2104 - // `hardcode categories` and `unfamiliar categories` are deprecated in favor of `unfamiliar category`
2105 - if (
2106 - isset($this->settings['unfamiliar categories'])
2107 - and !isset($this->settings['unfamiliar category'])
2108 - ) :
2109 - $this->settings['unfamiliar category'] = $this->settings['unfamiliar categories'];
2110 - endif;
2111 - if (
2112 - FeedWordPress::affirmative($this->settings, 'hardcode categories')
2113 - and !isset($this->settings['unfamiliar category'])
2114 - ) :
2115 - $this->settings['unfamiliar category'] = 'default';
2116 - endif;
2117 -
2118 - // Set this up automagically for del.icio.us
2119 - $bits = parse_url($this->link->link_rss);
2120 - $tagspacers = array('del.icio.us', 'feeds.delicious.com');
2121 - if (!isset($this->settings['cat_split']) and in_array($bits['host'], $tagspacers)) :
2122 - $this->settings['cat_split'] = '\s'; // Whitespace separates multiple tags in del.icio.us RSS feeds
2123 - endif;
2124 -
2125 - if (isset($this->settings['cats'])):
2126 - $this->settings['cats'] = preg_split(FEEDWORDPRESS_CAT_SEPARATOR_PATTERN, $this->settings['cats']);
2127 - endif;
2128 - if (isset($this->settings['tags'])):
2129 - $this->settings['tags'] = preg_split(FEEDWORDPRESS_CAT_SEPARATOR_PATTERN, $this->settings['tags']);
2130 - endif;
2131 -
2132 - if (isset($this->settings['map authors'])) :
2133 - $author_rules = explode("\n\n", $this->settings['map authors']);
2134 - $ma = array();
2135 - foreach ($author_rules as $rule) :
2136 - list($rule_type, $author_name, $author_action) = explode("\n", $rule);
2137 -
2138 - // Normalize for case and whitespace
2139 - $rule_type = strtolower(trim($rule_type));
2140 - $author_name = strtolower(trim($author_name));
2141 - $author_action = strtolower(trim($author_action));
2142 -
2143 - $ma[$rule_type][$author_name] = $author_action;
2144 - endforeach;
2145 - $this->settings['map authors'] = $ma;
2146 - endif;
2147 - endif;
2148 - } /* SyndicatedLink::SyndicatedLink () */
2149 -
2150 - function found () {
2151 - return is_object($this->link);
2152 - } /* SyndicatedLink::found () */
2153 -
2154 - function stale () {
2155 - $stale = true;
2156 - if (isset($this->settings['update/hold']) and ($this->settings['update/hold']=='ping')) :
2157 - $stale = false; // don't update on any timed updates; pings only
2158 - elseif (isset($this->settings['update/hold']) and ($this->settings['update/hold']=='next')) :
2159 - $stale = true; // update on the next timed update
2160 - elseif (!isset($this->settings['update/ttl']) or !isset($this->settings['update/last'])) :
2161 - $stale = true; // initial update
2162 - else :
2163 - $after = ((int) $this->settings['update/last'])
2164 - +((int) $this->settings['update/ttl'] * 60);
2165 - $stale = (time() >= $after);
2166 - endif;
2167 - return $stale;
2168 - } /* SyndicatedLink::stale () */
2169 -
2170 - function poll ($crash_ts = NULL) {
2171 - global $wpdb;
2172 -
2173 - $this->magpie = fetch_rss($this->link->link_rss);
2174 - $new_count = NULL;
2175 -
2176 - $resume = FeedWordPress::affirmative($this->settings, 'update/unfinished');
2177 - if ($resume) :
2178 - // pick up where we left off
2179 - $processed = array_map('trim', explode("\n", $this->settings['update/processed']));
2180 - else :
2181 - // begin at the beginning
2182 - $processed = array();
2183 - endif;
2184 -
2185 - if (is_object($this->magpie)) :
2186 - $new_count = array('new' => 0, 'updated' => 0);
2187 -
2188 - # -- Update Link metadata live from feed
2189 - $channel = $this->magpie->channel;
2190 -
2191 - if (!isset($channel['id'])) :
2192 - $channel['id'] = $this->link->link_rss;
2193 - endif;
2194 -
2195 - $update = array();
2196 - if (!$this->hardcode('url') and isset($channel['link'])) :
2197 - $update[] = "link_url = '".$wpdb->escape($channel['link'])."'";
2198 - endif;
2199 -
2200 - if (!$this->hardcode('name') and isset($channel['title'])) :
2201 - $update[] = "link_name = '".$wpdb->escape($channel['title'])."'";
2202 - endif;
2203 -
2204 - if (!$this->hardcode('description')) :
2205 - if (isset($channel['tagline'])) :
2206 - $update[] = "link_description = '".$wpdb->escape($channel['tagline'])."'";
2207 - elseif (isset($channel['description'])) :
2208 - $update[] = "link_description = '".$wpdb->escape($channel['description'])."'";
2209 - endif;
2210 - endif;
2211 -
2212 - $this->settings = array_merge($this->settings, $this->flatten_array($channel));
2213 -
2214 - $this->settings['update/last'] = time(); $ttl = $this->ttl();
2215 - if (!is_null($ttl)) :
2216 - $this->settings['update/ttl'] = $ttl;
2217 - $this->settings['update/timed'] = 'feed';
2218 - else :
2219 - $this->settings['update/ttl'] = rand(30, 120); // spread over time interval for staggered updates
2220 - $this->settings['update/timed'] = 'automatically';
2221 - endif;
2222 -
2223 - if (!isset($this->settings['update/hold']) or $this->settings['update/hold']!='ping') :
2224 - $this->settings['update/hold'] = 'scheduled';
2225 - endif;
2226 -
2227 - $this->settings['update/unfinished'] = 'yes';
2228 -
2229 - $update[] = "link_notes = '".$wpdb->escape($this->settings_to_notes())."'";
2230 -
2231 - $update_set = implode(',', $update);
2232 -
2233 - // Update the properties of the link from the feed information
2234 - $result = $wpdb->query("
2235 - UPDATE $wpdb->links
2236 - SET $update_set
2237 - WHERE link_id='$this->id'
2238 - ");
2239 -
2240 - # -- Add new posts from feed and update any updated posts
2241 - $crashed = false;
2242 -
2243 - if (is_array($this->magpie->items)) :
2244 - foreach ($this->magpie->items as $item) :
2245 - $post =& new SyndicatedPost($item, $this);
2246 - if (!$resume or !in_array(trim($post->guid()), $processed)) :
2247 - $processed[] = $post->guid();
2248 - if (!$post->filtered()) :
2249 - $new = $post->store();
2250 - if ( $new !== false ) $new_count[$new]++;
2251 - endif;
2252 -
2253 - if (!is_null($crash_ts) and (time() > $crash_ts)) :
2254 - $crashed = true;
2255 - break;
2256 - endif;
2257 - endif;
2258 - endforeach;
2259 - endif;
2260 -
2261 - // Copy back any changes to feed settings made in the course of updating (e.g. new author rules)
2262 - $to_notes = $this->settings;
2263 -
2264 - $this->settings['update/processed'] = $processed;
2265 - if (!$crashed) :
2266 - $this->settings['update/unfinished'] = 'no';
2267 - endif;
2268 -
2269 - $update_set = "link_notes = '".$wpdb->escape($this->settings_to_notes())."'";
2270 -
2271 - // Update the properties of the link from the feed information
2272 - $result = $wpdb->query("
2273 - UPDATE $wpdb->links
2274 - SET $update_set
2275 - WHERE link_id='$this->id'
2276 - ");
2277 - endif;
2278 -
2279 - return $new_count;
2280 - } /* SyndicatedLink::poll() */
2281 -
2282 - function map_name_to_new_user ($name, $newuser_name) {
2283 - global $wpdb;
2284 -
2285 - if (strlen($newuser_name) > 0) :
2286 - $userdata = array();
2287 - $userdata['ID'] = NULL;
2288 -
2289 - $userdata['user_login'] = sanitize_user($newuser_name);
2290 - $userdata['user_login'] = apply_filters('pre_user_login', $userdata['user_login']);
2291 -
2292 - $userdata['user_nicename'] = sanitize_title($newuser_name);
2293 - $userdata['user_nicename'] = apply_filters('pre_user_nicename', $userdata['user_nicename']);
2294 -
2295 - $userdata['display_name'] = $wpdb->escape($newuser_name);
2296 -
2297 - $newuser_id = wp_insert_user($userdata);
2298 - if (is_numeric($newuser_id)) :
2299 - if (is_null($name)) : // Unfamiliar author
2300 - $this->settings['unfamiliar author'] = $newuser_id;
2301 - else :
2302 - $this->settings['map authors']['name'][$name] = $newuser_id;
2303 - endif;
2304 - else :
2305 - // TODO: Add some error detection and reporting
2306 - endif;
2307 - else :
2308 - // TODO: Add some error reporting
2309 - endif;
2310 - } /* SyndicatedLink::map_name_to_new_user () */
2311 -
2312 - function settings_to_notes () {
2313 - $to_notes = $this->settings;
2314 -
2315 - unset($to_notes['link/id']); // Magic setting; don't save
2316 - unset($to_notes['link/uri']); // Magic setting; don't save
2317 - unset($to_notes['link/name']); // Magic setting; don't save
2318 - unset($to_notes['hardcode categories']); // Deprecated
2319 - unset($to_notes['unfamiliar categories']); // Deprecated
2320 -
2321 - // Collapse array settings
2322 - if (isset($to_notes['update/processed']) and (is_array($to_notes['update/processed']))) :
2323 - $to_notes['update/processed'] = implode("\n", $to_notes['update/processed']);
2324 - endif;
2325 -
2326 - if (is_array($to_notes['cats'])) :
2327 - $to_notes['cats'] = implode(FEEDWORDPRESS_CAT_SEPARATOR, $to_notes['cats']);
2328 - endif;
2329 - if (is_array($to_notes['tags'])) :
2330 - $to_notes['tags'] = implode(FEEDWORDPRESS_CAT_SEPARATOR, $to_notes['tags']);
2331 - endif;
2332 -
2333 - // Collapse the author mapping rule structure back into a flat string
2334 - if (isset($to_notes['map authors'])) :
2335 - $ma = array();
2336 - foreach ($to_notes['map authors'] as $rule_type => $author_rules) :
2337 - foreach ($author_rules as $author_name => $author_action) :
2338 - $ma[] = $rule_type."\n".$author_name."\n".$author_action;
2339 - endforeach;
2340 - endforeach;
2341 - $to_notes['map authors'] = implode("\n\n", $ma);
2342 - endif;
2343 -
2344 - $notes = '';
2345 - foreach ($to_notes as $key => $value) :
2346 - $notes .= $key . ": ". addcslashes($value, "\0..\37".'\\') . "\n";
2347 - endforeach;
2348 - return $notes;
2349 - } /* SyndicatedLink::settings_to_notes () */
2350 -
2351 - function uri () {
2352 - return (is_object($this->link) ? $this->link->link_rss : NULL);
2353 - } /* SyndicatedLink::uri () */
2354 -
2355 - function homepage () {
2356 - return (isset($this->settings['feed/link']) ? $this->settings['feed/link'] : NULL);
2357 - } /* SyndicatedLink::homepage () */
2358 -
2359 - function ttl () {
2360 - if (is_object($this->magpie)) :
2361 - $channel = $this->magpie->channel;
2362 - else :
2363 - $channel = array();
2364 - endif;
2365 -
2366 - if (isset($channel['ttl'])) :
2367 - // "ttl stands for time to live. It's a number of
2368 - // minutes that indicates how long a channel can be
2369 - // cached before refreshing from the source."
2370 - // <http://blogs.law.harvard.edu/tech/rss#ltttlgtSubelementOfLtchannelgt>
2371 - $ret = $channel['ttl'];
2372 - elseif (isset($channel['sy']['updatefrequency']) or isset($channel['sy']['updateperiod'])) :
2373 - $period_minutes = array (
2374 - 'hourly' => 60, /* minutes in an hour */
2375 - 'daily' => 1440, /* minutes in a day */
2376 - 'weekly' => 10080, /* minutes in a week */
2377 - 'monthly' => 43200, /* minutes in a month */
2378 - 'yearly' => 525600, /* minutes in a year */
2379 - );
2380 -
2381 - // "sy:updatePeriod: Describes the period over which the
2382 - // channel format is updated. Acceptable values are:
2383 - // hourly, daily, weekly, monthly, yearly. If omitted,
2384 - // daily is assumed." <http://web.resource.org/rss/1.0/modules/syndication/>
2385 - if (isset($channel['sy']['updateperiod'])) : $period = $channel['sy']['updateperiod'];
2386 - else : $period = 'daily';
2387 - endif;
2388 -
2389 - // "sy:updateFrequency: Used to describe the frequency
2390 - // of updates in relation to the update period. A
2391 - // positive integer indicates how many times in that
2392 - // period the channel is updated. ... If omitted a value
2393 - // of 1 is assumed." <http://web.resource.org/rss/1.0/modules/syndication/>
2394 - if (isset($channel['sy']['updatefrequency'])) : $freq = (int) $channel['sy']['updatefrequency'];
2395 - else : $freq = 1;
2396 - endif;
2397 -
2398 - $ret = (int) ($period_minutes[$period] / $freq);
2399 - else :
2400 - $ret = NULL;
2401 - endif;
2402 - return $ret;
2403 - } /* SyndicatedLink::ttl() */
2404 -
2405 - // SyndicatedLink::flatten_array (): flatten an array. Useful for
2406 - // hierarchical and namespaced elements.
2407 - //
2408 - // Given an array which may contain array or object elements in it,
2409 - // return a "flattened" array: a one-dimensional array of scalars
2410 - // containing each of the scalar elements contained within the array
2411 - // structure. Thus, for example, if $a['b']['c']['d'] == 'e', then the
2412 - // returned array for FeedWordPress::flatten_array($a) will contain a key
2413 - // $a['feed/b/c/d'] with value 'e'.
2414 - function flatten_array ($arr, $prefix = 'feed/', $separator = '/') {
2415 - $ret = array ();
2416 - if (is_array($arr)) :
2417 - foreach ($arr as $key => $value) :
2418 - if (is_scalar($value)) :
2419 - $ret[$prefix.$key] = $value;
2420 - else :
2421 - $ret = array_merge($ret, $this->flatten_array($value, $prefix.$key.$separator, $separator));
2422 - endif;
2423 - endforeach;
2424 - endif;
2425 - return $ret;
2426 - } /* SyndicatedLink::flatten_array () */
2427 -
2428 - function hardcode ($what) {
2429 - $default = get_option("feedwordpress_hardcode_$what");
2430 - if ( $default === 'yes' ) :
2431 - // If the default is to hardcode, then we want the
2432 - // negation of negative(): TRUE by default and FALSE if
2433 - // the setting is explicitly "no"
2434 - $ret = !FeedWordPress::negative($this->settings, "hardcode $what");
2435 - else :
2436 - // If the default is NOT to hardcode, then we want
2437 - // affirmative(): FALSE by default and TRUE if the
2438 - // setting is explicitly "yes"
2439 - $ret = FeedWordPress::affirmative($this->settings, "hardcode $what");
2440 - endif;
2441 - return $ret;
2442 - } /* SyndicatedLink::hardcode () */
2443 -
2444 - function syndicated_status ($what, $default) {
2445 - global $wpdb;
2446 -
2447 - $ret = get_option("feedwordpress_syndicated_{$what}_status");
2448 - if ( isset($this->settings["$what status"]) ) :
2449 - $ret = $this->settings["$what status"];
2450 - elseif (!$ret) :
2451 - $ret = $default;
2452 - endif;
2453 - return $wpdb->escape(trim(strtolower($ret)));
2454 - } /* SyndicatedLink:syndicated_status () */
2455 -} // class SyndicatedLink
2456 -
2457 2336 ################################################################################
2458 2337 ## XML-RPC HOOKS: accept XML-RPC update pings from Contributors ################
2459 2338 ################################################################################
2460 2339
@@ -2475,169 +2354,8 @@
2475 2354
2476 2355 return array('flerror' => false, 'message' => "Thanks for the ping.".implode(' and', $mesg));
2477 2356 endif;
2478 2357 }
2479 -
2480 -################################################################################
2481 -## class FeedFinder: find likely feeds using autodetection and/or guesswork ####
2482 -################################################################################
2483 -
2484 -class FeedFinder {
2485 - var $uri = NULL;
2486 - var $_cache_uri = NULL;
2487 -
2488 - var $verify = FALSE;
2489 -
2490 - var $_data = NULL;
2491 - var $_head = NULL;
2492 -
2493 - # -- Recognition patterns
2494 - var $_feed_types = array(
2495 - 'application/rss+xml',
2496 - 'text/xml',
2497 - 'application/atom+xml',
2498 - 'application/x.atom+xml',
2499 - 'application/x-atom+xml'
2500 - );
2501 - var $_feed_markers = array('\\<feed', '\\<rss', 'xmlns="http://purl.org/rss/1.0');
2502 - var $_html_markers = array('\\<html');
2503 - var $_obvious_feed_url = array('[./]rss', '[./]rdf', '[./]atom', '[./]feed', '\.xml');
2504 - var $_maybe_feed_url = array ('rss', 'rdf', 'atom', 'feed', 'xml');
2505 -
2506 - function FeedFinder ($uri = NULL, $verify = TRUE) {
2507 - $this->uri = $uri; $this->verify = $verify;
2508 - } /* FeedFinder::FeedFinder () */
2509 -
2510 - function find ($uri = NULL) {
2511 - $ret = array ();
2512 - if (!is_null($this->data($uri))) {
2513 - if ($this->is_feed($uri)) {
2514 - $ret = array($this->uri);
2515 - } else {
2516 - // Assume that we have HTML or XHTML (even if we don't, who's it gonna hurt?)
2517 - // Autodiscovery is the preferred method
2518 - $href = $this->_link_rel_feeds();
2519 -
2520 - // ... but we'll also take the little orange buttons
2521 - $href = array_merge($href, $this->_a_href_feeds(TRUE));
2522 -
2523 - // If all that failed, look harder
2524 - if (count($href) == 0) $href = $this->_a_href_feeds(FALSE);
2525 -
2526 - // Verify feeds and resolve relative URIs
2527 - foreach ($href as $u) {
2528 - $the_uri = Relative_URI::resolve($u, $this->uri);
2529 - if ($this->verify) {
2530 - $feed =& new FeedFinder($the_uri);
2531 - if ($feed->is_feed()) $ret[] = $the_uri;
2532 - $feed = NULL;
2533 - } else {
2534 - $ret[] = $the_uri;
2535 - }
2536 - } /* foreach */
2537 - } /* if */
2538 - } /* if */
2539 - return array_unique($ret);
2540 - } /* FeedFinder::find () */
2541 -
2542 - function data ($uri = NULL) {
2543 - $this->_get($uri);
2544 - return $this->_data;
2545 - }
2546 -
2547 - function is_feed ($uri = NULL) {
2548 - $data = $this->data($uri);
2549 -
2550 - return (
2551 - preg_match (
2552 - "\007(".implode('|',$this->_feed_markers).")\007i",
2553 - $data
2554 - ) and !preg_match (
2555 - "\007(".implode('|',$this->_html_markers).")\007i",
2556 - $data
2557 - )
2558 - );
2559 - } /* FeedFinder::is_feed () */
2560 -
2561 - # --- Private methods ---
2562 - function _get ($uri = NULL) {
2563 - if ($uri) $this->uri = $uri;
2564 -
2565 - // Is the result not yet cached?
2566 - if ($this->_cache_uri !== $this->uri) :
2567 - // Snoopy is an HTTP client in PHP
2568 - $client = new Snoopy();
2569 -
2570 - // Prepare headers and internal settings
2571 - $client->rawheaders['Connection'] = 'close';
2572 - $client->accept = 'application/atom+xml application/rdf+xml application/rss+xml application/xml text/html */*';
2573 - $client->agent = 'feedfinder/1.2 (compatible; PHP FeedFinder) +http://projects.radgeek.com/feedwordpress';
2574 - $client->read_timeout = 25;
2575 -
2576 - // Fetch the HTML or feed
2577 - @$client->fetch($this->uri);
2578 - $this->_data = $client->results;
2579 -
2580 - // Kilroy was here
2581 - $this->_cache_uri = $this->uri;
2582 - endif;
2583 - } /* FeedFinder::_get () */
2584 -
2585 - function _link_rel_feeds () {
2586 - $links = $this->_tags('link');
2587 - $link_count = count($links);
2588 -
2589 - // now figure out which one points to the RSS file
2590 - $href = array ();
2591 - for ($n=0; $n<$link_count; $n++) {
2592 - if (strtolower($links[$n]['rel']) == 'alternate') {
2593 - if (in_array(strtolower($links[$n]['type']), $this->_feed_types)) {
2594 - $href[] = $links[$n]['href'];
2595 - } /* if */
2596 - } /* if */
2597 - } /* for */
2598 - return $href;
2599 - }
2600 -
2601 - function _a_href_feeds ($obvious = TRUE) {
2602 - $pattern = ($obvious ? $this->_obvious_feed_url : $this->_maybe_feed_url);
2603 -
2604 - $links = $this->_tags('a');
2605 - $link_count = count($links);
2606 -
2607 - // now figure out which one points to the RSS file
2608 - $href = array ();
2609 - for ($n=0; $n<$link_count; $n++) {
2610 - if (preg_match("\007(".implode('|',$pattern).")\007i", $links[$n]['href'])) {
2611 - $href[] = $links[$n]['href'];
2612 - } /* if */
2613 - } /* for */
2614 - return $href;
2615 - }
2616 -
2617 - function _tags ($tag) {
2618 - $html = $this->data();
2619 -
2620 - // search through the HTML, save all <link> tags
2621 - // and store each link's attributes in an associative array
2622 - preg_match_all('/<'.$tag.'\s+(.*?)\s*\/?>/si', $html, $matches);
2623 - $links = $matches[1];
2624 - $ret = array();
2625 - $link_count = count($links);
2626 - for ($n=0; $n<$link_count; $n++) {
2627 - $attributes = preg_split('/\s+/s', $links[$n]);
2628 - foreach($attributes as $attribute) {
2629 - $att = preg_split('/\s*=\s*/s', $attribute, 2);
2630 - if (isset($att[1])) {
2631 - $att[1] = preg_replace('/([\'"]?)(.*)\1/', '$2', $att[1]);
2632 - $final_link[strtolower($att[0])] = $att[1];
2633 - } /* if */
2634 - } /* foreach */
2635 - $ret[$n] = $final_link;
2636 - } /* for */
2637 - return $ret;
2638 - }
2639 -} /* class FeedFinder */
2640 2358
2641 2359 # Relative URI static class: PHP class for resolving relative URLs
2642 2360 #
2643 2361 # This class is derived (under the terms of the GPL) from URL Class 0.3 by