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FeedWordPress / 2008.1105
FeedWordPress v2008.1105
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 +1859 -224 2009.07072008.1105 View file →
@@ -2,12 +2,13 @@
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: 2009.0707
6 +Version: 2008.1105
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
10 11 */
11 12
12 13 # This uses code derived from:
13 14 # - wp-rss-aggregate.php by Kellan Elliot-McCrea <kellan@protest.net>
@@ -14,30 +15,24 @@
14 15 # - HTTP Navigator 2 by Keyvan Minoukadeh <keyvan@k1m.com>
15 16 # - Ultra-Liberal Feed Finder by Mark Pilgrim <mark@diveintomark.org>
16 17 # according to the terms of the GNU General Public License.
17 18 #
18 -# INSTALLATION: see readme.txt or <http://projects.radgeek.com/install>
19 +# INSTALLATION: see README.text or <http://projects.radgeek.com/install>
19 20 #
20 21 # USAGE: once FeedWordPress is installed, you manage just about everything from
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
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
24 25 # <http://www.zyx.com/blog>, XML-RPC requests should be sent to
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.
26 +# <http://www.zyx.com/blog/xmlrpc.php>), or see `update-feeds.php`
28 27
29 28 # -- Don't change these unless you know what you're doing...
30 29
31 -define ('FEEDWORDPRESS_VERSION', '2009.0707');
30 +define ('FEEDWORDPRESS_VERSION', '2008.1105');
32 31 define ('FEEDWORDPRESS_AUTHOR_CONTACT', 'http://radgeek.com/contact');
33 32 define ('DEFAULT_SYNDICATION_CATEGORY', 'Contributors');
34 33
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', $feedwordpress_debug);
34 +define ('FEEDWORDPRESS_DEBUG', false);
40 35
41 36 define ('FEEDWORDPRESS_CAT_SEPARATOR_PATTERN', '/[:\n]/');
42 37 define ('FEEDWORDPRESS_CAT_SEPARATOR', "\n");
43 38
@@ -50,10 +45,8 @@
50 45 define ('FWP_SCHEMA_21', 4772); // Database schema # for WP 2.1
51 46 define ('FWP_SCHEMA_23', 5495); // Database schema # for WP 2.3
52 47 define ('FWP_SCHEMA_25', 7558); // Database schema # for WP 2.5
53 48 define ('FWP_SCHEMA_26', 8201); // Database schema # for WP 2.6
54 -define ('FWP_SCHEMA_27', 9872); // Database schema # for WP 2.7
55 -define ('FWP_SCHEMA_28', 11548); // Database schema # for WP 2.8
56 49
57 50 if (FEEDWORDPRESS_DEBUG) :
58 51 // Help us to pick out errors, if any.
59 52 ini_set('error_reporting', E_ALL & ~E_NOTICE);
@@ -92,9 +85,8 @@
92 85 endif;
93 86 endif;
94 87
95 88 require_once(dirname(__FILE__) . '/compatability.php'); // LEGACY API: Replicate or mock up functions for legacy support purposes
96 -require_once(dirname(__FILE__) . '/feedwordpresshtml.class.php');
97 89
98 90 // Magic quotes are just about the stupidest thing ever.
99 91 if (is_array($_POST)) :
100 92 $fwp_post = stripslashes_deep($_POST);
@@ -168,11 +160,9 @@
168 160 remove_filter('pre_link_url', 'wp_filter_kses');
169 161
170 162 # Admin menu
171 163 add_action('admin_menu', 'fwp_add_pages');
172 - add_action('admin_notices', 'fwp_check_debug');
173 - add_action('admin_notices', 'fwp_check_magpie');
174 -
164 +
175 165 # Inbound XML-RPC update methods
176 166 add_filter('xmlrpc_methods', 'feedwordpress_xmlrpc_hook');
177 167
178 168 # Outbound XML-RPC ping reform
@@ -196,12 +186,10 @@
196 186 endif;
197 187
198 188 # Cron-less auto-update. Hooray!
199 189 add_action('init', 'feedwordpress_auto_update');
200 - add_action('init', 'feedwordpress_check_for_magpie_fix');
201 190
202 191 # Default sanitizers
203 - add_filter('syndicated_item_content', array('SyndicatedPost', 'resolve_relative_uris'), 0, 2);
204 192 add_filter('syndicated_item_content', array('SyndicatedPost', 'sanitize_content'), 0, 2);
205 193
206 194 else :
207 195 # Hook in the menus, which will just point to the upgrade interface
@@ -207,33 +195,8 @@
207 195 # Hook in the menus, which will just point to the upgrade interface
208 196 add_action('admin_menu', 'fwp_add_pages');
209 197 endif; // if (!FeedWordPress::needs_upgrade())
210 198
211 -function feedwordpress_check_for_magpie_fix () {
212 - if (isset($_POST['action']) and $_POST['action']=='fix_magpie_version') :
213 - FeedWordPressCompatibility::validate_http_request(/*action=*/ 'feedwordpress_fix_magpie', /*capability=*/ 'edit_files');
214 -
215 - $back_to = $_SERVER['REQUEST_URI'];
216 - if (isset($_POST['ignore'])) :
217 - // kill error message by telling it we ignored the upgrade request for this version
218 - update_option('feedwordpress_magpie_ignored_upgrade_to', EXPECTED_MAGPIE_VERSION);
219 - $ret = 'ignored';
220 - elseif (isset($_POST['upgrade'])) :
221 - $source = dirname(__FILE__)."/MagpieRSS-upgrade/rss.php";
222 - $destination = ABSPATH . WPINC . '/rss.php';
223 - $success = @copy($source, $destination);
224 - $ret = (int) $success;
225 - endif;
226 -
227 - if (strpos($back_to, '?')===false) : $sep = '?';
228 - else : $sep = '&';
229 - endif;
230 -
231 - header("Location: {$back_to}{$sep}feedwordpress_magpie_fix=".$ret);
232 - exit;
233 - endif;
234 -} /* feedwordpress_check_for_magpie_fix() */
235 -
236 199 function feedwordpress_auto_update () {
237 200 if (FeedWordPress::stale()) :
238 201 $feedwordpress =& new FeedWordPress;
239 202 $feedwordpress->update();
@@ -397,13 +360,9 @@
397 360
398 361 function feedwordpress_preserve_syndicated_content ($text) {
399 362 global $feedwordpress_the_syndicated_content;
400 363
401 - $globalExpose = (get_option('feedwordpress_formatting_filters') == 'yes');
402 - $localExpose = get_post_custom_values('_feedwordpress_formatting_filters');
403 - $expose = ($globalExpose or ((count($localExpose) > 0) and $localExpose[0]));
404 -
405 - if ( is_syndicated() and !$expose ) :
364 + if ( is_syndicated() and get_option('feedwordpress_formatting_filters') != 'yes' ) :
406 365 $feedwordpress_the_syndicated_content = $text;
407 366 else :
408 367 $feedwordpress_the_syndicated_content = NULL;
409 368 endif;
@@ -462,142 +421,14 @@
462 421 function fwp_add_pages () {
463 422 global $fwp_capability;
464 423 global $fwp_path;
465 424
466 - $menu = array('Syndicated Sites', 'Syndication', $fwp_capability['manage_links'], $fwp_path.'/syndication.php', NULL);
467 - if (fwp_test_wp_version(FWP_SCHEMA_27)) :
468 - // add icon parameter
469 - $menu[] = WP_PLUGIN_URL.'/'.$fwp_path.'/feedwordpress-tiny.png';
470 - endif;
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 () */
471 430
472 - if (fwp_test_wp_version(FWP_SCHEMA_26)) :
473 - $options = __('Settings');
474 - $longoptions = __('Syndication Settings');
475 - else :
476 - $options = __('Options');
477 - $longoptions = __('Syndication Options');
478 - endif;
479 -
480 - call_user_func_array('add_menu_page', $menu);
481 - add_submenu_page($fwp_path.'/syndication.php', 'Syndicated Posts', 'Posts', $fwp_capability['manage_options'], $fwp_path.'/posts-page.php');
482 - add_submenu_page($fwp_path.'/syndication.php', 'Syndicated Authors', 'Authors', $fwp_capability['manage_options'], $fwp_path.'/authors-page.php');
483 - add_submenu_page($fwp_path.'/syndication.php', 'Categories & Tags', 'Categories & Tags', $fwp_capability['manage_options'], $fwp_path.'/categories-page.php');
484 - add_submenu_page($fwp_path.'/syndication.php', $longoptions, $options, $fwp_capability['manage_options'], $fwp_path.'/syndication-options.php');
485 -
486 - add_options_page($longoptions, 'Syndication', $fwp_capability['manage_options'], $fwp_path.'/syndication-options.php');
487 -} /* function fwp_add_pages () */
488 -
489 -function fwp_check_debug () {
490 - // This is a horrible fucking kludge that I have to do because the
491 - // admin notice code is triggered before the code that updates the
492 - // setting.
493 - if (isset($_POST['feedwordpress_debug'])) :
494 - $feedwordpress_debug = $_POST['feedwordpress_debug'];
495 - else :
496 - $feedwordpress_debug = get_option('feedwordpress_debug');
497 - endif;
498 - if ($feedwordpress_debug==='yes') :
499 -?>
500 - <div class="error">
501 -<p><strong>FeedWordPress warning.</strong> Debugging mode is <strong>ON</strong>.
502 -While it remains on, FeedWordPress displays many diagnostic error messages,
503 -warnings, and notices that are ordinarily suppressed, and also turns off all
504 -caching of feeds. Use with caution: this setting is absolutely inappropriate
505 -for a production server.</p>
506 - </div>
507 -<?php
508 - endif;
509 -} /* function fwp_check_debug () */
510 -
511 -define('EXPECTED_MAGPIE_VERSION', '2009.0618');
512 -function fwp_check_magpie () {
513 - if (isset($_REQUEST['feedwordpress_magpie_fix'])) :
514 - if ($_REQUEST['feedwordpress_magpie_fix']=='ignored') :
515 -?>
516 -<div class="updated fade">
517 -<p>O.K., we'll ignore the problem for now. FeedWordPress will not display any
518 -more error messages.</p>
519 -</div>
520 -<?php
521 - elseif ((bool) $_REQUEST['feedwordpress_magpie_fix']) :
522 -?>
523 -<div class="updated fade">
524 -<p>Congratulations! Your MagpieRSS has been successfully upgraded to the version
525 -shipped with FeedWordPress.</p>
526 -</div>
527 -<?php
528 - else :
529 - $source = dirname(__FILE__)."/MagpieRSS-upgrade/rss.php";
530 - $destination = ABSPATH . WPINC . '/rss.php';
531 - $cmd = "cp '".htmlspecialchars(addslashes($source))."' '".htmlspecialchars(addslashes($destination))."'";
532 - $cmd = wordwrap($cmd, /*width=*/ 75, /*break=*/ " \\\n\t");
533 -
534 -?>
535 -<div class="error">
536 -<p><strong>FeedWordPress was unable to automatically upgrade your copy of MagpieRSS.</strong></p>
537 -<p>It's likely that you need to change the file permissions on <code><?php print htmlspecialchars($source); ?></code>
538 -to allow FeedWordPress to overwrite it.</p>
539 -<p><strong>To perform the upgrade manually,</strong> you can
540 -use a SFTP or FTP client to upload a copy of <code>rss.php</code> from the
541 -<code>MagpieRSS-upgrades/</code> directory of your FeedWordPress archive so that
542 -it overwrites <code><?php print htmlspecialchars($destination); ?></code>. Or,
543 -if your web host provides shell access, you can issue the following command from
544 -a command prompt to perform the upgrade:</p>
545 -<pre>
546 -<samp>$</samp> <kbd><?php print $cmd; ?></kbd>
547 -</pre>
548 -<p><strong>If you've fixed the file permissions,</strong> you can try the
549 -automatic upgrade again.</p>
550 -
551 -<?php feedwordpress_upgrade_old_and_busted_buttons(); ?>
552 -</div>
553 -<?php
554 - endif;
555 - else :
556 - $magpie_version = FeedWordPress::magpie_version();
557 -
558 - $ignored = get_option('feedwordpress_magpie_ignored_upgrade_to');
559 - if (EXPECTED_MAGPIE_VERSION != $magpie_version and EXPECTED_MAGPIE_VERSION != $ignored) :
560 - if (current_user_can('edit_files')) :
561 - $youAre = 'you are';
562 - $itIsRecommendedThatYou = 'It is <strong>strongly recommended</strong> that you';
563 - else :
564 - $youAre = 'this site is';
565 - $itIsRecommendedThatYou = 'You may want to contact the administrator of the site; it is <strong>strongly recommended</strong> that they';
566 - endif;
567 - print '<div class="error">';
568 -?>
569 -<p style="font-style: italic"><strong>FeedWordPress has detected that <?php print $youAre; ?> currently using a version of
570 -MagpieRSS other than the upgraded version that ships with this version of FeedWordPress.</strong></p>
571 -<ul>
572 -<li><strong>Currently running:</strong> MagpieRSS <?php print $magpie_version; ?></li>
573 -<li><strong>Version included with FeedWordPress <?php print FEEDWORDPRESS_VERSION; ?>:</strong> MagpieRSS <?php print EXPECTED_MAGPIE_VERSION; ?></li>
574 -</ul>
575 -<p><?php print $itIsRecommendedThatYou; ?> install the upgraded
576 -version of MagpieRSS supplied with FeedWordPress. The version of
577 -MagpieRSS that ships with WordPress is very old and buggy, and
578 -encounters a number of errors when trying to parse modern Atom
579 -and RSS feeds.</p>
580 -<?php
581 - feedwordpress_upgrade_old_and_busted_buttons();
582 - print '</div>';
583 - endif;
584 - endif;
585 -}
586 -
587 -function feedwordpress_upgrade_old_and_busted_buttons() {
588 - if (current_user_can('edit_files')) :
589 -?>
590 -<form action="" method="post"><div>
591 -<?php FeedWordPressCompatibility::stamp_nonce('feedwordpress_fix_magpie'); ?>
592 -<input type="hidden" name="action" value="fix_magpie_version" />
593 -<input class="button-secondary" type="submit" name="ignore" value="<?php _e('Ignore this problem'); ?>" />
594 -<input class="button-primary" type="submit" name="upgrade" value="<?php _e('Upgrade'); ?>" />
595 -</div></form>
596 -<?php
597 - endif;
598 -}
599 -
600 431 ################################################################################
601 432 ## fwp_hold_pings() and fwp_release_pings(): Outbound XML-RPC ping reform ####
602 433 ## ... 'coz it's rude to send 500 pings the first time your aggregator runs ####
603 434 ################################################################################
@@ -863,9 +694,9 @@
863 694 if (function_exists('wp_insert_link')) { // WordPress 2.x
864 695 $link_id = wp_insert_link(array(
865 696 "link_name" => $name,
866 697 "link_url" => $uri,
867 - "link_category" => (fwp_test_wp_version(0, FWP_SCHEMA_21) ? $cat_id : array($cat_id)),
698 + "link_category" => array($cat_id),
868 699 "link_rss" => $rss
869 700 ));
870 701 } else { // WordPress 1.5.x
871 702 $result = $wpdb->query("
@@ -951,12 +782,12 @@
951 782 // WordPress 2.3 introduces a new taxonomy/term API
952 783 if (function_exists('is_term')) :
953 784 $cat_id = is_term($cat, 'link_category');
954 785 // WordPress 2.1 and 2.2 use a common table for both link and post categories
955 - elseif (fwp_test_wp_version(FWP_SCHEMA_21, FWP_SCHEMA_23)) :
786 + elseif (isset($wp_db_version) and ($wp_db_version >= FWP_SCHEMA_21 and $wp_db_version < FWP_SCHEMA_23) ) :
956 787 $cat_id = $wpdb->get_var("SELECT cat_id FROM {$wpdb->categories} WHERE cat_name='$cat'");
957 788 // WordPress 1.5 and 2.0.x have a separate table for link categories
958 - elseif (fwp_test_wp_version(0, FWP_SCHEMA_21)):
789 + elseif (!isset($wp_db_version) or $wp_db_version < FWP_SCHEMA_21) :
959 790 $cat_id = $wpdb->get_var("SELECT cat_id FROM {$wpdb->linkcategories} WHERE cat_name='$cat'");
960 791 // This should never happen.
961 792 else :
962 793 FeedWordPress::critical_bug('FeedWordPress::link_category_id::wp_db_version', $wp_db_version, __LINE__);
@@ -969,12 +800,12 @@
969 800 if (function_exists('wp_insert_term')) :
970 801 $term = wp_insert_term($cat, 'link_category');
971 802 $cat_id = $term['term_id'];
972 803 // WordPress 2.1, 2.2 category API. By the way, why the fuck is this API function only available in a wp-admin module?
973 - elseif (function_exists('wp_insert_category') and !fwp_test_wp_version(FWP_SCHEMA_20, FWP_SCHEMA_21)) :
804 + elseif (function_exists('wp_insert_category')) :
974 805 $cat_id = wp_insert_category(array('cat_name' => $cat));
975 806 // WordPress 1.5 and 2.0.x
976 - elseif (fwp_test_wp_version(0, FWP_SCHEMA_21)) :
807 + elseif (!isset($wp_db_version) or $wp_db_version < FWP_SCHEMA_21) :
977 808 $result = $wpdb->query("
978 809 INSERT INTO $wpdb->linkcategories
979 810 SET
980 811 cat_id = 0,
@@ -1004,9 +835,12 @@
1004 835 $ret = false; // innocent until proven guilty
1005 836 if (!$fwp_db_version or $fwp_db_version < FEEDWORDPRESS_VERSION) :
1006 837 // This is an older version or a fresh install. Does it
1007 838 // require a database upgrade or database initialization?
1008 - if ($fwp_db_version <= 0.96) :
839 + if ($fwp_db_version > 0.96) :
840 + // No. Just brand it with the new version.
841 + update_option('feedwordpress_version', FEEDWORDPRESS_VERSION);
842 + else :
1009 843 // Yes. Check to see whether this is a fresh install or an upgrade.
1010 844 $syn = $wpdb->get_col("
1011 845 SELECT post_id
1012 846 FROM $wpdb->postmeta
@@ -1016,21 +850,8 @@
1016 850 $ret = true;
1017 851 else : // fresh install; brand it as ours
1018 852 update_option('feedwordpress_version', FEEDWORDPRESS_VERSION);
1019 853 endif;
1020 - elseif ($fwp_db_version < 2009.0707) :
1021 - // We need to clear out any busted AJAX crap
1022 - if (fwp_test_wp_version(FWP_SCHEMA_HAS_USERMETA)) :
1023 - $wpdb->query("
1024 - DELETE FROM $wpdb->usermeta
1025 - WHERE LOCATE('feedwordpress', meta_key)
1026 - AND LOCATE('box', meta_key);
1027 - ");
1028 - endif;
1029 - update_option('feedwordpress_version', FEEDWORDPRESS_VERSION);
1030 - else :
1031 - // No. Just brand it with the new version.
1032 - update_option('feedwordpress_version', FEEDWORDPRESS_VERSION);
1033 854 endif;
1034 855 endif;
1035 856 return $ret;
1036 857 }
@@ -1102,15 +923,8 @@
1102 923 CREATE INDEX {$wpdb->posts}_guid_idx ON {$wpdb->posts}(guid)
1103 924 ");
1104 925 } /* FeedWordPress::create_guid_index () */
1105 926
1106 - function magpie_version () {
1107 - if (!defined('MAGPIE_VERSION')) : $magpie_version = $GLOBALS['wp_version'].'-default';
1108 - else : $magpie_version = MAGPIE_VERSION;
1109 - endif;
1110 - return $magpie_version;
1111 - }
1112 -
1113 927 # Utility functions for handling text settings
1114 928 function negative ($f, $setting) {
1115 929 $nego = array ('n', 'no', 'f', 'false');
1116 930 return (isset($f[$setting]) and in_array(strtolower($f[$setting]), $nego));
@@ -1125,34 +939,1522 @@
1125 939 # Internal debugging functions
1126 940 function critical_bug ($varname, $var, $line) {
1127 941 global $wp_version;
1128 942
1129 - if (defined('MAGPIE_VERSION')) : $mv = MAGPIE_VERSION;
1130 - else : $mv = 'WordPress '.$wp_version.' default.';
1131 - endif;
1132 -
1133 943 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>';
1134 944 echo "\n<plaintext>";
1135 945 echo "Triggered at line # ".$line."\n";
1136 946 echo "FeedWordPress version: ".FEEDWORDPRESS_VERSION."\n";
1137 - echo "MagpieRSS version: {$mv}\n";
1138 - echo "WordPress version: {$wp_version}\n";
947 + echo "WordPress version: $wp_version\n";
1139 948 echo "PHP version: ".phpversion()."\n";
1140 949 echo "\n";
1141 950 echo $varname.": "; var_dump($var); echo "\n";
1142 951 die;
1143 952 }
953 +} // class FeedWordPress
954 +
955 +class SyndicatedPost {
956 + var $item = null;
1144 957
1145 - function noncritical_bug ($varname, $var, $line) {
1146 - if (FEEDWORDPRESS_DEBUG) : // halt only when we are doing debugging
1147 - FeedWordPress::critical_bug($varname, $var, $line);
958 + var $link = null;
959 + var $feed = null;
960 + var $feedmeta = null;
961 +
962 + var $post = array ();
963 + var $_base = null;
964 +
965 + var $_freshness = null;
966 + var $_wp_id = null;
967 +
968 + function SyndicatedPost ($item, $link) {
969 + global $wpdb;
970 +
971 + $this->link = $link;
972 + $feedmeta = $link->settings;
973 + $feed = $link->magpie;
974 +
975 + # This is ugly as all hell. I'd like to use apply_filters()'s
976 + # alleged support for a variable argument count, but this seems
977 + # to have been broken in WordPress 1.5. It'll be fixed somehow
978 + # in WP 1.5.1, but I'm aiming at WP 1.5 compatibility across
979 + # the board here.
980 + #
981 + # Cf.: <http://mosquito.wordpress.org/view.php?id=901>
982 + global $fwp_channel, $fwp_feedmeta;
983 + $fwp_channel = $feed; $fwp_feedmeta = $feedmeta;
984 +
985 + $this->feed = $feed;
986 + $this->feedmeta = $feedmeta;
987 +
988 + $this->item = $item;
989 + $this->item = apply_filters('syndicated_item', $this->item, $this);
990 +
991 + # Filters can halt further processing by returning NULL
992 + if (is_null($this->item)) :
993 + $this->post = NULL;
994 + else :
995 + # Note that nothing is run through $wpdb->escape() here.
996 + # That's deliberate. The escaping is done at the point
997 + # of insertion, not here, to avoid double-escaping and
998 + # to avoid screwing with syndicated_post filters
999 +
1000 + $this->post['post_title'] = apply_filters('syndicated_item_title', $this->item['title'], $this);
1001 +
1002 + // This just gives us an alphanumeric representation of
1003 + // the author. We will look up (or create) the numeric
1004 + // ID for the author in SyndicatedPost::add()
1005 + $this->post['named']['author'] = apply_filters('syndicated_item_author', $this->author(), $this);
1006 +
1007 + # Identify content and sanitize it.
1008 + # ---------------------------------
1009 + if (isset($this->item['xhtml']['body'])) :
1010 + $content = $this->item['xhtml']['body'];
1011 + elseif (isset($this->item['xhtml']['div'])) :
1012 + $content = $this->item['xhtml']['div'];
1013 + elseif (isset($this->item['content']['encoded']) and $this->item['content']['encoded']):
1014 + $content = $this->item['content']['encoded'];
1015 + else:
1016 + $content = $this->item['description'];
1017 + endif;
1018 + $this->post['post_content'] = apply_filters('syndicated_item_content', $content, $this);
1019 +
1020 + # Identify and sanitize excerpt
1021 + $excerpt = NULL;
1022 + if ( isset($this->item['description']) and $this->item['description'] ) :
1023 + $excerpt = $this->item['description'];
1024 + elseif ( isset($content) and $content ) :
1025 + $excerpt = strip_tags($content);
1026 + if (strlen($excerpt) > 255) :
1027 + $excerpt = substr($excerpt,0,252).'...';
1028 + endif;
1029 + endif;
1030 + $excerpt = apply_filters('syndicated_item_excerpt', $excerpt, $this);
1031 +
1032 + if (!is_null($excerpt)):
1033 + $this->post['post_excerpt'] = $excerpt;
1034 + endif;
1035 +
1036 + // This is unnecessary if we use wp_insert_post
1037 + if (!$this->use_api('wp_insert_post')) :
1038 + $this->post['post_name'] = sanitize_title($this->post['post_title']);
1039 + endif;
1040 +
1041 + $this->post['epoch']['issued'] = apply_filters('syndicated_item_published', $this->published(), $this);
1042 + $this->post['epoch']['created'] = apply_filters('syndicated_item_created', $this->created(), $this);
1043 + $this->post['epoch']['modified'] = apply_filters('syndicated_item_updated', $this->updated(), $this);
1044 +
1045 + // Dealing with timestamps in WordPress is so fucking fucked.
1046 + $offset = (int) get_option('gmt_offset') * 60 * 60;
1047 + $this->post['post_date'] = gmdate('Y-m-d H:i:s', $this->published() + $offset);
1048 + $this->post['post_modified'] = gmdate('Y-m-d H:i:s', $this->updated() + $offset);
1049 + $this->post['post_date_gmt'] = gmdate('Y-m-d H:i:s', $this->published());
1050 + $this->post['post_modified_gmt'] = gmdate('Y-m-d H:i:s', $this->updated());
1051 +
1052 + // Use feed-level preferences or the global default.
1053 + $this->post['post_status'] = $this->link->syndicated_status('post', 'publish');
1054 + $this->post['comment_status'] = $this->link->syndicated_status('comment', 'closed');
1055 + $this->post['ping_status'] = $this->link->syndicated_status('ping', 'closed');
1056 +
1057 + // Unique ID (hopefully a unique tag: URI); failing that, the permalink
1058 + $this->post['guid'] = apply_filters('syndicated_item_guid', $this->guid(), $this);
1059 +
1060 + // RSS 2.0 / Atom 1.0 enclosure support
1061 + if ( isset($this->item['enclosure#']) ) :
1062 + for ($i = 1; $i <= $this->item['enclosure#']; $i++) :
1063 + $eid = (($i > 1) ? "#{$id}" : "");
1064 + $this->post['meta']['enclosure'][] =
1065 + apply_filters('syndicated_item_enclosure_url', $this->item["enclosure{$eid}@url"], $this)."\n".
1066 + apply_filters('syndicated_item_enclosure_length', $this->item["enclosure{$eid}@length"], $this)."\n".
1067 + apply_filters('syndicated_item_enclosure_type', $this->item["enclosure{$eid}@type"], $this);
1068 + endfor;
1069 + endif;
1070 +
1071 + // In case you want to point back to the blog this was syndicated from
1072 + if (isset($this->feed->channel['title'])) :
1073 + $this->post['meta']['syndication_source'] = apply_filters('syndicated_item_source_title', $this->feed->channel['title'], $this);
1074 + endif;
1075 +
1076 + if (isset($this->feed->channel['link'])) :
1077 + $this->post['meta']['syndication_source_uri'] = apply_filters('syndicated_item_source_link', $this->feed->channel['link'], $this);
1078 + endif;
1079 +
1080 + // Make use of atom:source data, if present in an aggregated feed
1081 + if (isset($this->item['source_title'])) :
1082 + $this->post['meta']['syndication_source_original'] = $this->item['source_title'];
1083 + endif;
1084 +
1085 + if (isset($this->item['source_link'])) :
1086 + $this->post['meta']['syndication_source_uri_original'] = $this->item['source_link'];
1087 + endif;
1088 +
1089 + if (isset($this->item['source_id'])) :
1090 + $this->post['meta']['syndication_source_id_original'] = $this->item['source_id'];
1091 + endif;
1092 +
1093 + // Store information on human-readable and machine-readable comment URIs
1094 + if (isset($this->item['comments'])) :
1095 + $this->post['meta']['rss:comments'] = apply_filters('syndicated_item_comments', $this->item['comments']);
1096 + endif;
1097 + if (isset($this->item['wfw']['commentrss'])) :
1098 + $this->post['meta']['wfw:commentRSS'] = apply_filters('syndicated_item_commentrss', $this->item['wfw']['commentrss']);
1099 + endif;
1100 +
1101 + // Store information to identify the feed that this came from
1102 + $this->post['meta']['syndication_feed'] = $this->feedmeta['link/uri'];
1103 + $this->post['meta']['syndication_feed_id'] = $this->feedmeta['link/id'];
1104 +
1105 + if (isset($this->item['source_link_self'])) :
1106 + $this->post['meta']['syndication_feed_original'] = $this->item['source_link_self'];
1107 + endif;
1108 +
1109 + // In case you want to know the external permalink...
1110 + $this->post['meta']['syndication_permalink'] = apply_filters('syndicated_item_link', $this->item['link']);
1111 +
1112 + // Store a hash of the post content for checking whether something needs to be updated
1113 + $this->post['meta']['syndication_item_hash'] = $this->update_hash();
1114 +
1115 + // Feed-by-feed options for author and category creation
1116 + $this->post['named']['unfamiliar']['author'] = $this->feedmeta['unfamiliar author'];
1117 + $this->post['named']['unfamiliar']['category'] = $this->feedmeta['unfamiliar category'];
1118 +
1119 + // Categories: start with default categories, if any
1120 + $fc = get_option("feedwordpress_syndication_cats");
1121 + if ($fc) :
1122 + $this->post['named']['preset/category'] = explode("\n", $fc);
1123 + else :
1124 + $this->post['named']['preset/category'] = array();
1125 + endif;
1126 +
1127 + if (is_array($this->feedmeta['cats'])) :
1128 + $this->post['named']['preset/category'] = array_merge($this->post['named']['preset/category'], $this->feedmeta['cats']);
1129 + endif;
1130 +
1131 + // Now add categories from the post, if we have 'em
1132 + $this->post['named']['category'] = array();
1133 + if ( isset($this->item['category#']) ) :
1134 + for ($i = 1; $i <= $this->item['category#']; $i++) :
1135 + $cat_idx = (($i > 1) ? "#{$i}" : "");
1136 + $cat = $this->item["category{$cat_idx}"];
1137 +
1138 + if ( isset($this->feedmeta['cat_split']) and strlen($this->feedmeta['cat_split']) > 0) :
1139 + $pcre = "\007".$this->feedmeta['cat_split']."\007";
1140 + $this->post['named']['category'] = array_merge($this->post['named']['category'], preg_split($pcre, $cat, -1 /*=no limit*/, PREG_SPLIT_NO_EMPTY));
1141 + else :
1142 + $this->post['named']['category'][] = $cat;
1143 + endif;
1144 + endfor;
1145 + endif;
1146 + $this->post['named']['category'] = apply_filters('syndicated_item_categories', $this->post['named']['category'], $this);
1147 +
1148 + // Tags: start with default tags, if any
1149 + $ft = get_option("feedwordpress_syndication_tags");
1150 + if ($ft) :
1151 + $this->post['tags_input'] = explode('FEEDWORDPRESS_CAT_SEPARATOR', $ft);
1152 + else :
1153 + $this->post['tags_input'] = array();
1154 + endif;
1155 +
1156 + if (is_array($this->feedmeta['tags'])) :
1157 + $this->post['tags_input'] = array_merge($this->post['tags_input'], $this->feedmeta['tags']);
1158 + endif;
1159 +
1148 1160 endif;
1161 + } // SyndicatedPost::SyndicatedPost()
1162 +
1163 + function filtered () {
1164 + return is_null($this->post);
1149 1165 }
1150 -} // class FeedWordPress
1151 1166
1152 -require_once(dirname(__FILE__) . '/syndicatedpost.class.php');
1153 -require_once(dirname(__FILE__) . '/syndicatedlink.class.php');
1167 + function freshness () {
1168 + global $wpdb;
1154 1169
1170 + if ($this->filtered()) : // This should never happen.
1171 + FeedWordPress::critical_bug('SyndicatedPost', $this, __LINE__);
1172 + endif;
1173 +
1174 + if (is_null($this->_freshness)) :
1175 + $guid = $wpdb->escape($this->guid());
1176 +
1177 + $result = $wpdb->get_row("
1178 + SELECT id, guid, post_modified_gmt
1179 + FROM $wpdb->posts WHERE guid='$guid'
1180 + ");
1181 +
1182 + if (!$result) :
1183 + $this->_freshness = 2; // New content
1184 + else:
1185 + $stored_update_hashes = get_post_custom_values('syndication_item_hash', $result->id);
1186 + if (count($stored_update_hashes) > 0) :
1187 + $stored_update_hash = $stored_update_hashes[0];
1188 + $update_hash_changed = ($stored_update_hash != $this->update_hash());
1189 + else :
1190 + $update_hash_changed = false;
1191 + endif;
1192 +
1193 + preg_match('/([0-9]+)-([0-9]+)-([0-9]+) ([0-9]+):([0-9]+):([0-9]+)/', $result->post_modified_gmt, $backref);
1194 +
1195 + $last_rev_ts = gmmktime($backref[4], $backref[5], $backref[6], $backref[2], $backref[3], $backref[1]);
1196 + $updated_ts = $this->updated(/*fallback=*/ true, /*default=*/ NULL);
1197 + $updated = ((
1198 + !is_null($updated_ts)
1199 + and ($updated_ts > $last_rev_ts)
1200 + ) or $update_hash_changed);
1201 +
1202 + if ($updated) :
1203 + $this->_freshness = 1; // Updated content
1204 + $this->_wp_id = $result->id;
1205 + else :
1206 + $this->_freshness = 0; // Same old, same old
1207 + $this->_wp_id = $result->id;
1208 + endif;
1209 + endif;
1210 + endif;
1211 + return $this->_freshness;
1212 + }
1213 +
1214 + function wp_id () {
1215 + if ($this->filtered()) : // This should never happen.
1216 + FeedWordPress::critical_bug('SyndicatedPost', $this, __LINE__);
1217 + endif;
1218 +
1219 + if (is_null($this->_wp_id) and is_null($this->_freshness)) :
1220 + $fresh = $this->freshness(); // sets WP DB id in the process
1221 + endif;
1222 + return $this->_wp_id;
1223 + }
1224 +
1225 + function store () {
1226 + global $wpdb;
1227 +
1228 + if ($this->filtered()) : // This should never happen.
1229 + FeedWordPress::critical_bug('SyndicatedPost', $this, __LINE__);
1230 + endif;
1231 +
1232 + $freshness = $this->freshness();
1233 + if ($freshness > 0) :
1234 + # -- Look up, or create, numeric ID for author
1235 + $this->post['post_author'] = $this->author_id (
1236 + FeedWordPress::on_unfamiliar('author', $this->post['named']['unfamiliar']['author'])
1237 + );
1238 +
1239 + if (is_null($this->post['post_author'])) :
1240 + $this->post = NULL;
1241 + endif;
1242 + endif;
1243 +
1244 + if (!$this->filtered() and $freshness > 0) :
1245 + # -- Look up, or create, numeric ID for categories
1246 + list($pcats, $ptags) = $this->category_ids (
1247 + $this->post['named']['category'],
1248 + FeedWordPress::on_unfamiliar('category', $this->post['named']['unfamiliar']['category']),
1249 + /*tags_too=*/ true
1250 + );
1251 +
1252 + $this->post['post_category'] = $pcats;
1253 + $this->post['tags_input'] = array_merge($this->post['tags_input'], $ptags);
1254 +
1255 + if (is_null($this->post['post_category'])) :
1256 + // filter mode on, no matching categories; drop the post
1257 + $this->post = NULL;
1258 + else :
1259 + // filter mode off or at least one match; now add on the feed and global presets
1260 + $this->post['post_category'] = array_merge (
1261 + $this->post['post_category'],
1262 + $this->category_ids (
1263 + $this->post['named']['preset/category'],
1264 + 'default'
1265 + )
1266 + );
1267 +
1268 + if (count($this->post['post_category']) < 1) :
1269 + $this->post['post_category'][] = 1; // Default to category 1 ("Uncategorized" / "General") if nothing else
1270 + endif;
1271 + endif;
1272 + endif;
1273 +
1274 + if (!$this->filtered() and $freshness > 0) :
1275 + unset($this->post['named']);
1276 + $this->post = apply_filters('syndicated_post', $this->post, $this);
1277 + endif;
1278 +
1279 + if (!$this->filtered() and $freshness == 2) :
1280 + // The item has not yet been added. So let's add it.
1281 + $this->insert_new();
1282 + $this->add_rss_meta();
1283 + do_action('post_syndicated_item', $this->wp_id());
1284 +
1285 + $ret = 'new';
1286 + elseif (!$this->filtered() and $freshness == 1) :
1287 + $this->post['ID'] = $this->wp_id();
1288 + $this->update_existing();
1289 + $this->add_rss_meta();
1290 + do_action('update_syndicated_item', $this->wp_id());
1291 +
1292 + $ret = 'updated';
1293 + else :
1294 + $ret = false;
1295 + endif;
1296 +
1297 + return $ret;
1298 + } // function SyndicatedPost::store ()
1299 +
1300 + function insert_new () {
1301 + global $wpdb, $wp_db_version;
1302 +
1303 + // Why the fuck doesn't wp_insert_post already do this?
1304 + foreach ($this->post as $key => $value) :
1305 + if (is_string($value)) :
1306 + $dbpost[$key] = $wpdb->escape($value);
1307 + else :
1308 + $dbpost[$key] = $value;
1309 + endif;
1310 + endforeach;
1311 +
1312 + if (strlen($dbpost['post_title'].$dbpost['post_content'].$dbpost['post_excerpt']) == 0) :
1313 + // FIXME: Option for filtering out empty posts
1314 + 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() + $offset);
1318 + // FIXME: Option for what to fill a blank title with...
1319 + endif;
1320 +
1321 + if ($this->use_api('wp_insert_post')) :
1322 + $dbpost['post_pingback'] = false; // Tell WP 2.1 and 2.2 not to process for pingbacks
1323 +
1324 + // This is a ridiculous fucking kludge necessitated by WordPress 2.6 munging authorship meta-data
1325 + add_action('_wp_put_post_revision', array($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);
1333 +
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);
1337 +
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;
1342 +
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("
1347 + UPDATE $wpdb->posts
1348 + SET
1349 + guid='{$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__);
1386 + 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 + endif;
1399 + } /* SyndicatedPost::insert_new() */
1400 +
1401 + function update_existing () {
1402 + global $wpdb;
1403 +
1404 + // Why the fuck doesn't wp_insert_post already do this?
1405 + $dbpost = array();
1406 + foreach ($this->post as $key => $value) :
1407 + if (is_string($value)) :
1408 + $dbpost[$key] = $wpdb->escape($value);
1409 + else :
1410 + $dbpost[$key] = $value;
1411 + endif;
1412 + endforeach;
1413 +
1414 + if ($this->use_api('wp_insert_post')) :
1415 + $dbpost['post_pingback'] = false; // Tell WP 2.1 and 2.2 not to process for pingbacks
1416 +
1417 + // This is a ridiculous fucking kludge necessitated by WordPress 2.6 munging authorship meta-data
1418 + add_action('_wp_put_post_revision', array($this, 'fix_revision_meta'));
1419 +
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 + ");
1459 +
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 + /**
1482 + * SyndicatedPost::fix_revision_meta() - Fixes the way WP 2.6+ fucks up
1483 + * meta-data (authorship, etc.) when storing revisions of an updated
1484 + * syndicated post.
1485 + *
1486 + * In their infinite wisdom, the WordPress coders have made it completely
1487 + * impossible for a plugin that uses wp_insert_post() to set certain
1488 + * meta-data (such as the author) when you store an old revision of an
1489 + * updated post. Instead, it uses the WordPress defaults (= currently
1490 + * active user ID if the process is running with a user logged in, or
1491 + * = #0 if there is no user logged in). This results in bogus authorship
1492 + * data for revisions that are syndicated from off the feed, unless we
1493 + * use a ridiculous kludge like this to end-run the munging of meta-data
1494 + * by _wp_put_post_revision.
1495 + *
1496 + * @param int $revision_id The revision ID to fix up meta-data
1497 + */
1498 + function fix_revision_meta ($revision_id) {
1499 + global $wpdb;
1500 +
1501 + $post_author = (int) $this->post['post_author'];
1502 +
1503 + $revision_id = (int) $revision_id;
1504 + $wpdb->query("
1505 + UPDATE $wpdb->posts
1506 + SET post_author={$this->post['post_author']}
1507 + WHERE post_type = 'revision' AND ID='$revision_id'
1508 + ");
1509 + } /* SyndicatedPost::fix_revision_meta () */
1510 +
1511 + /**
1512 + * SyndicatedPost::avoid_kses_munge() -- If FeedWordPress is processing
1513 + * an automatic update, that generally means that wp_insert_post() is
1514 + * being called under the user credentials of whoever is viewing the
1515 + * blog at the time -- usually meaning no user at all. But if WordPress
1516 + * gets a wp_insert_post() when current_user_can('unfiltered_html') is
1517 + * false, it will run the content of the post through a kses function
1518 + * that strips out lots of HTML tags -- notably <object> and some others.
1519 + * This causes problems for syndicating (for example) feeds that contain
1520 + * YouTube videos. It also produces an unexpected asymmetry between
1521 + * automatically-initiated updates and updates initiated manually from
1522 + * the WordPress Dashboard (which are usually initiated under the
1523 + * credentials of a logged-in admin, and so don't get run through the
1524 + * kses function). So, to avoid the whole mess, what we do here is
1525 + * just forcibly disable the kses munging for a single syndicated post,
1526 + * by restoring the contents of the `post_content` field.
1527 + *
1528 + * @param string $content The content of the post, after other filters have gotten to it
1529 + * @return string The original content of the post, before other filters had a chance to munge it.
1530 + */
1531 + function avoid_kses_munge ($content) {
1532 + global $wpdb;
1533 + return $wpdb->escape($this->post['post_content']);
1534 + }
1535 +
1536 + // SyndicatedPost::add_rss_meta: adds interesting meta-data to each entry
1537 + // using the space for custom keys. The set of keys and values to add is
1538 + // specified by the keys and values of $post['meta']. This is used to
1539 + // store anything that the WordPress user might want to access from a
1540 + // template concerning the post's original source that isn't provided
1541 + // for by standard WP meta-data (i.e., any interesting data about the
1542 + // syndicated post other than author, title, timestamp, categories, and
1543 + // guid). It's also used to hook into WordPress's support for
1544 + // enclosures.
1545 + function add_rss_meta () {
1546 + global $wpdb;
1547 + if ( is_array($this->post) and isset($this->post['meta']) and is_array($this->post['meta']) ) :
1548 + $postId = $this->wp_id();
1549 +
1550 + // Aggregated posts should NOT send out pingbacks.
1551 + // WordPress 2.1-2.2 claim you can tell them not to
1552 + // using $post_pingback, but they don't listen, so we
1553 + // make sure here.
1554 + $result = $wpdb->query("
1555 + DELETE FROM $wpdb->postmeta
1556 + WHERE post_id='$postId' AND meta_key='_pingme'
1557 + ");
1558 +
1559 + foreach ( $this->post['meta'] as $key => $values ) :
1560 +
1561 + $key = $wpdb->escape($key);
1562 +
1563 + // If this is an update, clear out the old
1564 + // values to avoid duplication.
1565 + $result = $wpdb->query("
1566 + DELETE FROM $wpdb->postmeta
1567 + WHERE post_id='$postId' AND meta_key='$key'
1568 + ");
1569 +
1570 + // Allow for either a single value or an array
1571 + if (!is_array($values)) $values = array($values);
1572 + foreach ( $values as $value ) :
1573 + $value = $wpdb->escape($value);
1574 + $result = $wpdb->query("
1575 + INSERT INTO $wpdb->postmeta
1576 + SET
1577 + post_id='$postId',
1578 + meta_key='$key',
1579 + meta_value='$value'
1580 + ");
1581 + endforeach;
1582 + endforeach;
1583 + endif;
1584 + } /* SyndicatedPost::add_rss_meta () */
1585 +
1586 + // SyndicatedPost::author_id (): get the ID for an author name from
1587 + // the feed. Create the author if necessary.
1588 + function author_id ($unfamiliar_author = 'create') {
1589 + global $wpdb;
1590 +
1591 + $a = $this->author();
1592 + $author = $a['name'];
1593 + $email = $a['email'];
1594 + $url = $a['uri'];
1595 +
1596 + $match_author_by_email = !('yes' == get_option("feedwordpress_do_not_match_author_by_email"));
1597 + if ($match_author_by_email and !FeedWordPress::is_null_email($email)) :
1598 + $test_email = $email;
1599 + else :
1600 + $test_email = NULL;
1601 + endif;
1602 +
1603 + // Never can be too careful...
1604 + $login = sanitize_user($author, /*strict=*/ true);
1605 + $login = apply_filters('pre_user_login', $login);
1606 +
1607 + $nice_author = sanitize_title($author);
1608 + $nice_author = apply_filters('pre_user_nicename', $nice_author);
1609 +
1610 + $reg_author = $wpdb->escape(preg_quote($author));
1611 + $author = $wpdb->escape($author);
1612 + $email = $wpdb->escape($email);
1613 + $test_email = $wpdb->escape($test_email);
1614 + $url = $wpdb->escape($url);
1615 +
1616 + // Check for an existing author rule....
1617 + if (isset($this->link->settings['map authors']['name'][strtolower(trim($author))])) :
1618 + $author_rule = $this->link->settings['map authors']['name'][strtolower(trim($author))];
1619 + else :
1620 + $author_rule = NULL;
1621 + endif;
1622 +
1623 + // User name is mapped to a particular author. If that author ID exists, use it.
1624 + if (is_numeric($author_rule) and get_userdata((int) $author_rule)) :
1625 + $id = (int) $author_rule;
1626 +
1627 + // User name is filtered out
1628 + elseif ('filter' == $author_rule) :
1629 + $id = NULL;
1630 +
1631 + else :
1632 + // Check the database for an existing author record that might fit
1633 +
1634 + #-- WordPress 2.0+
1635 + if (fwp_test_wp_version(FWP_SCHEMA_HAS_USERMETA)) :
1636 +
1637 + // First try the user core data table.
1638 + $id = $wpdb->get_var(
1639 + "SELECT ID FROM $wpdb->users
1640 + WHERE
1641 + TRIM(LCASE(user_login)) = TRIM(LCASE('$login'))
1642 + OR (
1643 + LENGTH(TRIM(LCASE(user_email))) > 0
1644 + AND TRIM(LCASE(user_email)) = TRIM(LCASE('$test_email'))
1645 + )
1646 + OR TRIM(LCASE(user_nicename)) = TRIM(LCASE('$nice_author'))
1647 + ");
1648 +
1649 + // If that fails, look for aliases in the user meta data table
1650 + if (is_null($id)) :
1651 + $id = $wpdb->get_var(
1652 + "SELECT user_id FROM $wpdb->usermeta
1653 + WHERE
1654 + (meta_key = 'description' AND TRIM(LCASE(meta_value)) = TRIM(LCASE('$author')))
1655 + OR (
1656 + meta_key = 'description'
1657 + AND TRIM(LCASE(meta_value))
1658 + RLIKE CONCAT(
1659 + '(^|\\n)a\\.?k\\.?a\\.?( |\\t)*:?( |\\t)*',
1660 + TRIM(LCASE('$reg_author')),
1661 + '( |\\t|\\r)*(\\n|\$)'
1662 + )
1663 + )
1664 + ");
1665 + endif;
1666 +
1667 + #-- WordPress 1.5.x
1668 + else :
1669 + $id = $wpdb->get_var(
1670 + "SELECT ID from $wpdb->users
1671 + WHERE
1672 + TRIM(LCASE(user_login)) = TRIM(LCASE('$login')) OR
1673 + (
1674 + LENGTH(TRIM(LCASE(user_email))) > 0
1675 + AND TRIM(LCASE(user_email)) = TRIM(LCASE('$test_email'))
1676 + ) OR
1677 + TRIM(LCASE(user_firstname)) = TRIM(LCASE('$author')) OR
1678 + TRIM(LCASE(user_nickname)) = TRIM(LCASE('$author')) OR
1679 + TRIM(LCASE(user_nicename)) = TRIM(LCASE('$nice_author')) OR
1680 + TRIM(LCASE(user_description)) = TRIM(LCASE('$author')) OR
1681 + (
1682 + LOWER(user_description)
1683 + RLIKE CONCAT(
1684 + '(^|\\n)a\\.?k\\.?a\\.?( |\\t)*:?( |\\t)*',
1685 + LCASE('$reg_author'),
1686 + '( |\\t|\\r)*(\\n|\$)'
1687 + )
1688 + )
1689 + ");
1690 +
1691 + endif;
1692 +
1693 + // ... if you don't find one, then do what you need to do
1694 + if (is_null($id)) :
1695 + if ($unfamiliar_author === 'create') :
1696 + $userdata = array();
1697 +
1698 + #-- user table data
1699 + $userdata['ID'] = NULL; // new user
1700 + $userdata['user_login'] = $login;
1701 + $userdata['user_nicename'] = $nice_author;
1702 + $userdata['user_pass'] = substr(md5(uniqid(microtime())), 0, 6); // just something random to lock it up
1703 + $userdata['user_email'] = $email;
1704 + $userdata['user_url'] = $url;
1705 + $userdata['display_name'] = $author;
1706 +
1707 + $id = wp_insert_user($userdata);
1708 + elseif (is_numeric($unfamiliar_author) and get_userdata((int) $unfamiliar_author)) :
1709 + $id = (int) $unfamiliar_author;
1710 + elseif ($unfamiliar_author === 'default') :
1711 + $id = 1;
1712 + endif;
1713 + endif;
1714 + endif;
1715 +
1716 + if ($id) :
1717 + $this->link->settings['map authors']['name'][strtolower(trim($author))] = $id;
1718 + endif;
1719 + return $id;
1720 + } // function SyndicatedPost::author_id ()
1721 +
1722 + // look up (and create) category ids from a list of categories
1723 + function category_ids ($cats, $unfamiliar_category = 'create', $tags_too = false) {
1724 + global $wpdb;
1725 +
1726 + // We need to normalize whitespace because (1) trailing
1727 + // whitespace can cause PHP and MySQL not to see eye to eye on
1728 + // VARCHAR comparisons for some versions of MySQL (cf.
1729 + // <http://dev.mysql.com/doc/mysql/en/char.html>), and (2)
1730 + // because I doubt most people want to make a semantic
1731 + // distinction between 'Computers' and 'Computers '
1732 + $cats = array_map('trim', $cats);
1733 +
1734 + $tags = array();
1735 +
1736 + $cat_ids = array ();
1737 + foreach ($cats as $cat_name) :
1738 + if (preg_match('/^{#([0-9]+)}$/', $cat_name, $backref)) :
1739 + $cat_id = (int) $backref[1];
1740 + if (function_exists('is_term') and is_term($cat_id, 'category')) :
1741 + $cat_ids[] = $cat_id;
1742 + elseif (get_category($cat_id)) :
1743 + $cat_ids[] = $cat_id;
1744 + endif;
1745 + else :
1746 + $esc = $wpdb->escape($cat_name);
1747 + $resc = $wpdb->escape(preg_quote($cat_name));
1748 +
1749 + // WordPress 2.3+
1750 + if (function_exists('is_term')) :
1751 + $cat_id = is_term($cat_name, 'category');
1752 + if ($cat_id) :
1753 + $cat_ids[] = $cat_id['term_id'];
1754 + // There must be a better way to do this...
1755 + elseif ($results = $wpdb->get_results(
1756 + "SELECT term_id
1757 + FROM $wpdb->term_taxonomy
1758 + WHERE
1759 + LOWER(description) RLIKE
1760 + CONCAT('(^|\\n)a\\.?k\\.?a\\.?( |\\t)*:?( |\\t)*', LOWER('{$resc}'), '( |\\t|\\r)*(\\n|\$)')"
1761 + )) :
1762 + foreach ($results AS $term) :
1763 + $cat_ids[] = (int) $term->term_id;
1764 + endforeach;
1765 + elseif ('tag'==$unfamiliar_category) :
1766 + $tags[] = $cat_name;
1767 + elseif ('create'===$unfamiliar_category) :
1768 + $term = wp_insert_term($cat_name, 'category');
1769 + $cat_ids[] = $term['term_id'];
1770 + endif;
1771 +
1772 + // WordPress 1.5.x - 2.2.x
1773 + else :
1774 + $results = $wpdb->get_results(
1775 + "SELECT cat_ID
1776 + FROM $wpdb->categories
1777 + WHERE
1778 + (LOWER(cat_name) = LOWER('$esc'))
1779 + OR (LOWER(category_description)
1780 + RLIKE CONCAT('(^|\\n)a\\.?k\\.?a\\.?( |\\t)*:?( |\\t)*', LOWER('{$resc}'), '( |\\t|\\r)*(\\n|\$)'))
1781 + ");
1782 + if ($results) :
1783 + foreach ($results as $term) :
1784 + $cat_ids[] = (int) $term->cat_ID;
1785 + endforeach;
1786 + elseif ('create'===$unfamiliar_category) :
1787 + if (function_exists('wp_insert_category')) :
1788 + $cat_id = wp_insert_category(array('cat_name' => $cat_name));
1789 + // And into the database we go.
1790 + else :
1791 + $nice_kitty = sanitize_title($cat_name);
1792 + $wpdb->query(sprintf("
1793 + INSERT INTO $wpdb->categories
1794 + SET
1795 + cat_name='%s',
1796 + category_nicename='%s'
1797 + ", $wpdb->escape($cat_name), $nice_kitty
1798 + ));
1799 + $cat_id = $wpdb->insert_id;
1800 + endif;
1801 + $cat_ids[] = $cat_id;
1802 + endif;
1803 + endif;
1804 + endif;
1805 + endforeach;
1806 +
1807 + if ((count($cat_ids) == 0) and ($unfamiliar_category === 'filter')) :
1808 + $cat_ids = NULL; // Drop the post
1809 + else :
1810 + $cat_ids = array_unique($cat_ids);
1811 + endif;
1812 +
1813 + if ($tags_too) : $ret = array($cat_ids, $tags);
1814 + else : $ret = $cat_ids;
1815 + endif;
1816 +
1817 + return $ret;
1818 + } // function SyndicatedPost::category_ids ()
1819 +
1820 + function use_api ($tag) {
1821 + global $wp_db_version;
1822 + switch ($tag) :
1823 + case 'wp_insert_post':
1824 + // Before 2.2, wp_insert_post does too much of the wrong stuff to use it
1825 + // In 1.5 it was such a resource hog it would make PHP segfault on big updates
1826 + $ret = (isset($wp_db_version) and $wp_db_version > FWP_SCHEMA_21);
1827 + break;
1828 + case 'post_status_pending':
1829 + $ret = (isset($wp_db_version) and $wp_db_version > FWP_SCHEMA_23);
1830 + break;
1831 + endswitch;
1832 + return $ret;
1833 + } // function SyndicatedPost::use_api ()
1834 +
1835 + #### EXTRACT DATA FROM FEED ITEM ####
1836 +
1837 + function created () {
1838 + $epoch = null;
1839 + if (isset($this->item['dc']['created'])) :
1840 + $epoch = @parse_w3cdtf($this->item['dc']['created']);
1841 + elseif (isset($this->item['dcterms']['created'])) :
1842 + $epoch = @parse_w3cdtf($this->item['dcterms']['created']);
1843 + elseif (isset($this->item['created'])): // Atom 0.3
1844 + $epoch = @parse_w3cdtf($this->item['created']);
1845 + endif;
1846 + return $epoch;
1847 + }
1848 + function published ($fallback = true) {
1849 + $epoch = null;
1850 +
1851 + # RSS is a fucking mess. Figure out whether we have a date in
1852 + # <dc:date>, <issued>, <pubDate>, etc., and get it into Unix
1853 + # epoch format for reformatting. If we can't find anything,
1854 + # we'll use the last-updated time.
1855 + if (isset($this->item['dc']['date'])): // Dublin Core
1856 + $epoch = @parse_w3cdtf($this->item['dc']['date']);
1857 + elseif (isset($this->item['dcterms']['issued'])) : // Dublin Core extensions
1858 + $epoch = @parse_w3cdtf($this->item['dcterms']['issued']);
1859 + elseif (isset($this->item['published'])) : // Atom 1.0
1860 + $epoch = @parse_w3cdtf($this->item['published']);
1861 + elseif (isset($this->item['issued'])): // Atom 0.3
1862 + $epoch = @parse_w3cdtf($this->item['issued']);
1863 + elseif (isset($this->item['pubdate'])): // RSS 2.0
1864 + $epoch = strtotime($this->item['pubdate']);
1865 + elseif ($fallback) : // Fall back to <updated> / <modified> if present
1866 + $epoch = $this->updated(/*fallback=*/ false);
1867 + endif;
1868 +
1869 + # If everything failed, then default to the current time.
1870 + if (is_null($epoch)) :
1871 + if (-1 == $default) :
1872 + $epoch = time();
1873 + else :
1874 + $epoch = $default;
1875 + endif;
1876 + endif;
1877 +
1878 + return $epoch;
1879 + }
1880 + function updated ($fallback = true, $default = -1) {
1881 + $epoch = null;
1882 +
1883 + # As far as I know, only dcterms and Atom have reliable ways to
1884 + # specify when something was *modified* last. If neither is
1885 + # available, then we'll try to get the time of publication.
1886 + if (isset($this->item['dc']['modified'])) : // Not really correct
1887 + $epoch = @parse_w3cdtf($this->item['dc']['modified']);
1888 + elseif (isset($this->item['dcterms']['modified'])) : // Dublin Core extensions
1889 + $epoch = @parse_w3cdtf($this->item['dcterms']['modified']);
1890 + elseif (isset($this->item['modified'])): // Atom 0.3
1891 + $epoch = @parse_w3cdtf($this->item['modified']);
1892 + elseif (isset($this->item['updated'])): // Atom 1.0
1893 + $epoch = @parse_w3cdtf($this->item['updated']);
1894 + elseif ($fallback) : // Fall back to issued / dc:date
1895 + $epoch = $this->published(/*fallback=*/ false, /*default=*/ $default);
1896 + endif;
1897 +
1898 + # If everything failed, then default to the current time.
1899 + if (is_null($epoch)) :
1900 + if (-1 == $default) :
1901 + $epoch = time();
1902 + else :
1903 + $epoch = $default;
1904 + endif;
1905 + endif;
1906 +
1907 + return $epoch;
1908 + }
1909 +
1910 + function update_hash () {
1911 + return md5(serialize($this->item));
1912 + }
1913 +
1914 + function guid () {
1915 + $guid = null;
1916 + if (isset($this->item['id'])): // Atom 0.3 / 1.0
1917 + $guid = $this->item['id'];
1918 + elseif (isset($this->item['atom']['id'])) : // Namespaced Atom
1919 + $guid = $this->item['atom']['id'];
1920 + elseif (isset($this->item['guid'])) : // RSS 2.0
1921 + $guid = $this->item['guid'];
1922 + elseif (isset($this->item['dc']['identifier'])) :// yeah, right
1923 + $guid = $this->item['dc']['identifier'];
1924 + else :
1925 + // The feed does not seem to have provided us with a
1926 + // unique identifier, so we'll have to cobble together
1927 + // a tag: URI that might work for us. The base of the
1928 + // URI will be the host name of the feed source ...
1929 + $bits = parse_url($this->feedmeta['link/uri']);
1930 + $guid = 'tag:'.$bits['host'];
1931 +
1932 + // If we have a date of creation, then we can use that
1933 + // to uniquely identify the item. (On the other hand, if
1934 + // the feed producer was consicentious enough to
1935 + // generate dates of creation, she probably also was
1936 + // conscientious enough to generate unique identifiers.)
1937 + if (!is_null($this->created())) :
1938 + $guid .= '://post.'.date('YmdHis', $this->created());
1939 +
1940 + // Otherwise, use both the URI of the item, *and* the
1941 + // item's title. We have to use both because titles are
1942 + // often not unique, and sometimes links aren't unique
1943 + // either (e.g. Bitch (S)HITLIST, Mozilla Dot Org news,
1944 + // some podcasts). But it's rare to have *both* the same
1945 + // title *and* the same link for two different items. So
1946 + // this is about the best we can do.
1947 + else :
1948 + $guid .= '://'.md5($this->item['link'].'/'.$this->item['title']);
1949 + endif;
1950 + endif;
1951 + return $guid;
1952 + }
1953 +
1954 + function author () {
1955 + $author = array ();
1956 +
1957 + if (isset($this->item['author_name'])):
1958 + $author['name'] = $this->item['author_name'];
1959 + elseif (isset($this->item['dc']['creator'])):
1960 + $author['name'] = $this->item['dc']['creator'];
1961 + elseif (isset($this->item['dc']['contributor'])):
1962 + $author['name'] = $this->item['dc']['contributor'];
1963 + elseif (isset($this->feed->channel['dc']['creator'])) :
1964 + $author['name'] = $this->feed->channel['dc']['creator'];
1965 + elseif (isset($this->feed->channel['dc']['contributor'])) :
1966 + $author['name'] = $this->feed->channel['dc']['contributor'];
1967 + elseif (isset($this->feed->channel['author_name'])) :
1968 + $author['name'] = $this->feed->channel['author_name'];
1969 + elseif ($this->feed->is_rss() and isset($this->item['author'])) :
1970 + // The author element in RSS is allegedly an
1971 + // e-mail address, but lots of people don't use
1972 + // it that way. So let's make of it what we can.
1973 + $author = parse_email_with_realname($this->item['author']);
1974 +
1975 + if (!isset($author['name'])) :
1976 + if (isset($author['email'])) :
1977 + $author['name'] = $author['email'];
1978 + else :
1979 + $author['name'] = $this->feed->channel['title'];
1980 + endif;
1981 + endif;
1982 + else :
1983 + $author['name'] = $this->feed->channel['title'];
1984 + endif;
1985 +
1986 + if (isset($this->item['author_email'])):
1987 + $author['email'] = $this->item['author_email'];
1988 + elseif (isset($this->feed->channel['author_email'])) :
1989 + $author['email'] = $this->feed->channel['author_email'];
1990 + endif;
1991 +
1992 + if (isset($this->item['author_url'])):
1993 + $author['uri'] = $this->item['author_url'];
1994 + elseif (isset($this->feed->channel['author_url'])) :
1995 + $author['uri'] = $this->item['author_url'];
1996 + else:
1997 + $author['uri'] = $this->feed->channel['link'];
1998 + endif;
1999 +
2000 + return $author;
2001 + } // SyndicatedPost::author()
2002 +
2003 + var $strip_attrs = array (
2004 + array('[a-z]+', 'style'),
2005 + array('[a-z]+', 'target'),
2006 + );
2007 + function sanitize_content ($content, $obj) {
2008 + # FeedWordPress used to resolve URIs relative to the
2009 + # feed URI. It now relies on the xml:base support
2010 + # baked in to the MagpieRSS upgrade. So all we do here
2011 + # now is to sanitize problematic attributes.
2012 + #
2013 + # This kind of sucks. I intend to replace it with
2014 + # lib_filter sometime soon.
2015 + foreach ($obj->strip_attrs as $pair):
2016 + list($tag,$attr) = $pair;
2017 + $content = preg_replace (
2018 + ":(<$tag [^>]*)($attr=(\"[^\">]*\"|[^>\\s]+))([^>]*>):i",
2019 + "\\1\\4",
2020 + $content
2021 + );
2022 + endforeach;
2023 + return $content;
2024 + }
2025 +} // class SyndicatedPost
2026 +
2027 +# class SyndicatedLink: represents a syndication feed stored within the
2028 +# WordPress database
2029 +#
2030 +# To keep things compact and editable from within WordPress, we use all the
2031 +# links under a particular category in the WordPress "Blogroll" for the list of
2032 +# feeds to syndicate. "Contributors" is the category used by default; you can
2033 +# configure that under Options --> Syndication.
2034 +#
2035 +# Fields used are:
2036 +#
2037 +# * link_rss: the URI of the Atom/RSS feed to syndicate
2038 +#
2039 +# * link_notes: user-configurable options, with keys and values
2040 +# like so:
2041 +#
2042 +# key: value
2043 +# cats: computers\nweb
2044 +# feed/key: value
2045 +#
2046 +# Keys that start with "feed/" are gleaned from the data supplied
2047 +# by the feed itself, and will be overwritten with each update.
2048 +#
2049 +# Values have linebreak characters escaped with C-style
2050 +# backslashes (so, for example, a newline becomes "\n").
2051 +#
2052 +# The value of `cats` is used as a newline-separated list of
2053 +# default categories for any post coming from a particular feed.
2054 +# (In the example above, any posts from this feed will be placed
2055 +# in the "computers" and "web" categories--*in addition to* any
2056 +# categories that may already be applied to the posts.)
2057 +#
2058 +# Values of keys in link_notes are accessible from templates using
2059 +# the function `get_feed_meta($key)` if this plugin is activated.
2060 +
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 +
1155 2457 ################################################################################
1156 2458 ## XML-RPC HOOKS: accept XML-RPC update pings from Contributors ################
1157 2459 ################################################################################
1158 2460
@@ -1174,12 +2476,345 @@
1174 2476 return array('flerror' => false, 'message' => "Thanks for the ping.".implode(' and', $mesg));
1175 2477 endif;
1176 2478 }
1177 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 $ret;
2638 + }
2639 +} /* class FeedFinder */
2640 +
2641 +# Relative URI static class: PHP class for resolving relative URLs
2642 +#
2643 +# This class is derived (under the terms of the GPL) from URL Class 0.3 by
2644 +# Keyvan Minoukadeh <keyvan@k1m.com>, which is great but more than we need
2645 +# for FeedWordPress's purposes. The class has been stripped down to a single
2646 +# public method: Relative_URI::resolve($url, $base), which resolves the URI in
2647 +# $url relative to the URI in $base
2648 +#
1178 2649 # The upgraded MagpieRSS also uses this class. So if we have it loaded
1179 2650 # in, don't load it again.
1180 2651 if (!class_exists('Relative_URI')) {
1181 - require_once(dirname(__FILE__) . '/relative_uri.class.php');
2652 +
2653 + class Relative_URI
2654 + {
2655 + // Resolve relative URI in $url against the base URI in $base. If $base
2656 + // is not supplied, then we use the REQUEST_URI of this script.
2657 + //
2658 + // I'm hoping this method reflects RFC 2396 Section 5.2
2659 + function resolve ($url, $base = NULL)
2660 + {
2661 + if (is_null($base)):
2662 + $base = 'http://'.$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'];
2663 + endif;
2664 +
2665 + $base = Relative_URI::_encode(trim($base));
2666 + $uri_parts = Relative_URI::_parse_url($base);
2667 +
2668 + $url = Relative_URI::_encode(trim($url));
2669 + $parts = Relative_URI::_parse_url($url);
2670 +
2671 + $uri_parts['fragment'] = (isset($parts['fragment']) ? $parts['fragment'] : null);
2672 + $uri_parts['query'] = (isset($parts['query']) ? $parts['query'] : null);
2673 +
2674 + // if path is empty, and scheme, host, and query are undefined,
2675 + // the URL is referring the base URL
2676 +
2677 + if (($parts['path'] == '') && !isset($parts['scheme']) && !isset($parts['host']) && !isset($parts['query'])) {
2678 + // If the URI is empty or only a fragment, return the base URI
2679 + return $base . (isset($parts['fragment']) ? '#'.$parts['fragment'] : '');
2680 + } elseif (isset($parts['scheme'])) {
2681 + // If the scheme is set, then the URI is absolute.
2682 + return $url;
2683 + } elseif (isset($parts['host'])) {
2684 + $uri_parts['host'] = $parts['host'];
2685 + $uri_parts['path'] = $parts['path'];
2686 + } else {
2687 + // We have a relative path but not a host.
2688 +
2689 + // start ugly fix:
2690 + // prepend slash to path if base host is set, base path is not set, and url path is not absolute
2691 + if ($uri_parts['host'] && ($uri_parts['path'] == '')
2692 + && (strlen($parts['path']) > 0)
2693 + && (substr($parts['path'], 0, 1) != '/')) {
2694 + $parts['path'] = '/'.$parts['path'];
2695 + } // end ugly fix
2696 +
2697 + if (substr($parts['path'], 0, 1) == '/') {
2698 + $uri_parts['path'] = $parts['path'];
2699 + } else {
2700 + // copy base path excluding any characters after the last (right-most) slash character
2701 + $buffer = substr($uri_parts['path'], 0, (int)strrpos($uri_parts['path'], '/')+1);
2702 + // append relative path
2703 + $buffer .= $parts['path'];
2704 + // remove "./" where "." is a complete path segment.
2705 + $buffer = str_replace('/./', '/', $buffer);
2706 + if (substr($buffer, 0, 2) == './') {
2707 + $buffer = substr($buffer, 2);
2708 + }
2709 + // if buffer ends with "." as a complete path segment, remove it
2710 + if (substr($buffer, -2) == '/.') {
2711 + $buffer = substr($buffer, 0, -1);
2712 + }
2713 + // remove "<segment>/../" where <segment> is a complete path segment not equal to ".."
2714 + $search_finished = false;
2715 + $segment = explode('/', $buffer);
2716 + while (!$search_finished) {
2717 + for ($x=0; $x+1 < count($segment);) {
2718 + if (($segment[$x] != '') && ($segment[$x] != '..') && ($segment[$x+1] == '..')) {
2719 + if ($x+2 == count($segment)) $segment[] = '';
2720 + unset($segment[$x], $segment[$x+1]);
2721 + $segment = array_values($segment);
2722 + continue 2;
2723 + } else {
2724 + $x++;
2725 + }
2726 + }
2727 + $search_finished = true;
2728 + }
2729 + $buffer = (count($segment) == 1) ? '/' : implode('/', $segment);
2730 + $uri_parts['path'] = $buffer;
2731 +
2732 + }
2733 + }
2734 +
2735 + // If we've gotten to this point, we can try to put the pieces
2736 + // back together.
2737 + $ret = '';
2738 + if (isset($uri_parts['scheme'])) $ret .= $uri_parts['scheme'].':';
2739 + if (isset($uri_parts['user'])) {
2740 + $ret .= $uri_parts['user'];
2741 + if (isset($uri_parts['pass'])) $ret .= ':'.$uri_parts['parts'];
2742 + $ret .= '@';
2743 + }
2744 + if (isset($uri_parts['host'])) {
2745 + $ret .= '//'.$uri_parts['host'];
2746 + if (isset($uri_parts['port'])) $ret .= ':'.$uri_parts['port'];
2747 + }
2748 + $ret .= $uri_parts['path'];
2749 + if (isset($uri_parts['query'])) $ret .= '?'.$uri_parts['query'];
2750 + if (isset($uri_parts['fragment'])) $ret .= '#'.$uri_parts['fragment'];
2751 +
2752 + return $ret;
2753 + }
2754 +
2755 + /**
2756 + * Parse URL
2757 + *
2758 + * Regular expression grabbed from RFC 2396 Appendix B.
2759 + * This is a replacement for PHPs builtin parse_url().
2760 + * @param string $url
2761 + * @access private
2762 + * @return array
2763 + */
2764 + function _parse_url($url)
2765 + {
2766 + // I'm using this pattern instead of parse_url() as there's a few strings where parse_url()
2767 + // generates a warning.
2768 + if (preg_match('!^(([^:/?#]+):)?(//([^/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))?!', $url, $match)) {
2769 + $parts = array();
2770 + if ($match[1] != '') $parts['scheme'] = $match[2];
2771 + if ($match[3] != '') $parts['auth'] = $match[4];
2772 + // parse auth
2773 + if (isset($parts['auth'])) {
2774 + // store user info
2775 + if (($at_pos = strpos($parts['auth'], '@')) !== false) {
2776 + $userinfo = explode(':', substr($parts['auth'], 0, $at_pos), 2);
2777 + $parts['user'] = $userinfo[0];
2778 + if (isset($userinfo[1])) $parts['pass'] = $userinfo[1];
2779 + $parts['auth'] = substr($parts['auth'], $at_pos+1);
2780 + }
2781 + // get port number
2782 + if ($port_pos = strrpos($parts['auth'], ':')) {
2783 + $parts['host'] = substr($parts['auth'], 0, $port_pos);
2784 + $parts['port'] = (int)substr($parts['auth'], $port_pos+1);
2785 + if ($parts['port'] < 1) $parts['port'] = null;
2786 + } else {
2787 + $parts['host'] = $parts['auth'];
2788 + }
2789 + }
2790 + unset($parts['auth']);
2791 + $parts['path'] = $match[5];
2792 + if (isset($match[6]) && ($match[6] != '')) $parts['query'] = $match[7];
2793 + if (isset($match[8]) && ($match[8] != '')) $parts['fragment'] = $match[9];
2794 + return $parts;
2795 + }
2796 + // shouldn't reach here
2797 + return array('path'=>'');
2798 + }
2799 +
2800 + function _encode($string)
2801 + {
2802 + static $replace = array();
2803 + if (!count($replace)) {
2804 + $find = array(32, 34, 60, 62, 123, 124, 125, 91, 92, 93, 94, 96, 127);
2805 + $find = array_merge(range(0, 31), $find);
2806 + $find = array_map('chr', $find);
2807 + foreach ($find as $char) {
2808 + $replace[$char] = '%'.bin2hex($char);
2809 + }
2810 + }
2811 + // escape control characters and a few other characters
2812 + $encoded = strtr($string, $replace);
2813 + // remove any character outside the hex range: 21 - 7E (see www.asciitable.com)
2814 + return preg_replace('/[^\x21-\x7e]/', '', $encoded);
2815 + }
2816 + } // class Relative_URI
1182 2817 }
1183 2818
1184 2819 // take your best guess at the realname and e-mail, given a string
1185 2820 define('FWP_REGEX_EMAIL_ADDY', '([^@"(<\s]+@[^"@(<\s]+\.[^"@(<\s]+)');