feedwordpress.php: 2008.1101 vs 2009.1111 · FeedWordPress

← All changes | feedwordpress.php +1869 -537 2009.1111 → 2008.1101 View file →

		@@ -1,13 +1,14 @@
1	1	<?php
2	2	/*
3	3	Plugin Name: FeedWordPress
4		-Plugin URI: http://feedwordpress.radgeek.com/
	4	+Plugin URI: http://projects.radgeek.com/feedwordpress
5	5	Description: simple and flexible Atom/RSS syndication for WordPress
6		-Version: 2009.1111
	6	+Version: 2008.1101
7	7	Author: Charles Johnson
8	8	Author URI: http://radgeek.com/
9	9	License: GPL
	10	+Last modified: 2008-11-01 1:13pm PDT
10	11	*/
11	12
12	13	# This uses code derived from:
13	14	# - wp-rss-aggregate.php by Kellan Elliot-McCrea <kellan@protest.net>
		@@ -14,37 +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', '2009.0803');
	30	+define ('FEEDWORDPRESS_VERSION', '2008.1101');
32	31	define ('FEEDWORDPRESS_AUTHOR_CONTACT', 'http://radgeek.com/contact');
33		-
34		-// Defaults
35	32	define ('DEFAULT_SYNDICATION_CATEGORY', 'Contributors');
36		-define ('DEFAULT_UPDATE_PERIOD', 60); // value in minutes
37	33
38		-if (isset($_REQUEST['feedwordpress_debug'])) :
39		- $feedwordpress_debug = $_REQUEST['feedwordpress_debug'];
40		-else :
41		- $feedwordpress_debug = get_option('feedwordpress_debug');
42		- if (is_string($feedwordpress_debug)) :
43		- $feedwordpress_debug = ($feedwordpress_debug == 'yes');
44		- endif;
45		-endif;
46		-define ('FEEDWORDPRESS_DEBUG', $feedwordpress_debug);
	34	+define ('FEEDWORDPRESS_DEBUG', false);
47	35
48	36	define ('FEEDWORDPRESS_CAT_SEPARATOR_PATTERN', '/[:\n]/');
49	37	define ('FEEDWORDPRESS_CAT_SEPARATOR', "\n");
50	38
		@@ -51,16 +39,13 @@
51	39	define ('FEEDVALIDATOR_URI', 'http://feedvalidator.org/check.cgi');
52	40
53	41	define ('FEEDWORDPRESS_FRESHNESS_INTERVAL', 10*60); // Every ten minutes
54	42
55		-define ('FWP_SCHEMA_HAS_USERMETA', 2966);
56	43	define ('FWP_SCHEMA_20', 3308); // Database schema # for WP 2.0
57	44	define ('FWP_SCHEMA_21', 4772); // Database schema # for WP 2.1
58	45	define ('FWP_SCHEMA_23', 5495); // Database schema # for WP 2.3
59	46	define ('FWP_SCHEMA_25', 7558); // Database schema # for WP 2.5
60	47	define ('FWP_SCHEMA_26', 8201); // Database schema # for WP 2.6
61		-define ('FWP_SCHEMA_27', 9872); // Database schema # for WP 2.7
62		-define ('FWP_SCHEMA_28', 11548); // Database schema # for WP 2.8
63	48
64	49	if (FEEDWORDPRESS_DEBUG) :
65	50	// Help us to pick out errors, if any.
66	51	ini_set('error_reporting', E_ALL & ~E_NOTICE);
		@@ -74,10 +59,8 @@
74	59	// used for more than testing purposes!
75	60	define('MAGPIE_CACHE_AGE', 1);
76	61	else :
77	62	define('MAGPIE_DEBUG', false);
78		-
79		- define('MAGPIE_CACHE_AGE', 1*60);
80	63	endif;
81	64
82	65	// Note that the rss-functions.php that comes prepackaged with WordPress is
83	66	// old & busted. For the new hotness, drop a copy of rss.php from
		@@ -101,9 +84,8 @@
101	84	endif;
102	85	endif;
103	86
104	87	require_once(dirname(__FILE__) . '/compatability.php'); // LEGACY API: Replicate or mock up functions for legacy support purposes
105		-require_once(dirname(__FILE__) . '/feedwordpresshtml.class.php');
106	88
107	89	// Magic quotes are just about the stupidest thing ever.
108	90	if (is_array($_POST)) :
109	91	$fwp_post = stripslashes_deep($_POST);
		@@ -177,12 +159,9 @@
177	159	remove_filter('pre_link_url', 'wp_filter_kses');
178	160
179	161	# Admin menu
180	162	add_action('admin_menu', 'fwp_add_pages');
181		- add_action('admin_notices', 'fwp_check_debug');
182		- add_action('admin_notices', 'fwp_check_magpie');
183		- add_action('init', 'feedwordpress_check_for_magpie_fix');
184		-
	163	+
185	164	# Inbound XML-RPC update methods
186	165	add_filter('xmlrpc_methods', 'feedwordpress_xmlrpc_hook');
187	166
188	167	# Outbound XML-RPC ping reform
		@@ -203,28 +182,13 @@
203	182	add_action('feedwordpress_update', 'log_feedwordpress_update_feeds', 100);
204	183	add_action('feedwordpress_check_feed', 'log_feedwordpress_check_feed', 100);
205	184	add_action('feedwordpress_update_complete', 'log_feedwordpress_update_complete', 100);
206	185	endif;
	186	+
	187	+ # Cron-less auto-update. Hooray!
	188	+ add_action('init', 'feedwordpress_auto_update');
207	189
208		- if (FeedWordPress::update_requested() and FEEDWORDPRESS_DEBUG) :
209		- add_action('post_syndicated_item', 'debug_out_feedwordpress_post', 100);
210		- add_action('update_syndicated_item', 'debug_out_feedwordpress_update_post', 100);
211		- add_action('feedwordpress_update', 'debug_out_feedwordpress_update_feeds', 100);
212		- add_action('feedwordpress_check_feed', 'debug_out_feedwordpress_check_feed', 100);
213		- add_action('feedwordpress_update_complete', 'debug_out_feedwordpress_update_complete', 100);
214		- endif;
215		-
216		- # Cron-less auto-update. Hooray!
217		- $autoUpdateHook = get_option('feedwordpress_automatic_updates');
218		- if ($autoUpdateHook != 'init') :
219		- $autoUpdateHook = 'shutdown';
220		- endif;
221		- add_action($autoUpdateHook, 'feedwordpress_auto_update');
222		-
223		- add_action('init', 'feedwordpress_update_magic_url');
224		-
225	190	# Default sanitizers
226		- add_filter('syndicated_item_content', array('SyndicatedPost', 'resolve_relative_uris'), 0, 2);
227	191	add_filter('syndicated_item_content', array('SyndicatedPost', 'sanitize_content'), 0, 2);
228	192
229	193	else :
230	194	# Hook in the menus, which will just point to the upgrade interface
		@@ -230,59 +194,18 @@
230	194	# Hook in the menus, which will just point to the upgrade interface
231	195	add_action('admin_menu', 'fwp_add_pages');
232	196	endif; // if (!FeedWordPress::needs_upgrade())
233	197
234		-function feedwordpress_check_for_magpie_fix () {
235		- if (isset($_POST['action']) and $_POST['action']=='fix_magpie_version') :
236		- FeedWordPressCompatibility::validate_http_request(/action=/ 'feedwordpress_fix_magpie', /capability=/ 'edit_files');
237		-
238		- $back_to = $_SERVER['REQUEST_URI'];
239		- if (isset($_POST['ignore'])) :
240		- // kill error message by telling it we ignored the upgrade request for this version
241		- update_option('feedwordpress_magpie_ignored_upgrade_to', EXPECTED_MAGPIE_VERSION);
242		- $ret = 'ignored';
243		- elseif (isset($_POST['upgrade'])) :
244		- $source = dirname(__FILE__)."/MagpieRSS-upgrade/rss.php";
245		- $destination = ABSPATH . WPINC . '/rss.php';
246		- $success = @copy($source, $destination);
247		-
248		- // Copy over rss-functions.php, too, to avoid collisions
249		- // on pre-lapsarian versions of WordPress.
250		- if ($success) :
251		- $source = dirname(__FILE__)."/MagpieRSS-upgrade/rss-functions.php";
252		- $destination = ABSPATH . WPINC . '/rss-functions.php';
253		- $success = @copy($source, $destination);
254		- endif;
255		- $ret = (int) $success;
256		- endif;
257		-
258		- if (strpos($back_to, '?')===false) : $sep = '?';
259		- else : $sep = '&';
260		- endif;
261		-
262		- header("Location: {$back_to}{$sep}feedwordpress_magpie_fix=".$ret);
263		- exit;
264		- endif;
265		-} /* feedwordpress_check_for_magpie_fix() */
266		-
267	198	function feedwordpress_auto_update () {
268	199	if (FeedWordPress::stale()) :
269	200	$feedwordpress =& new FeedWordPress;
270	201	$feedwordpress->update();
271	202	endif;
272		-} /* feedwordpress_auto_update () */
273		-
274		-function feedwordpress_update_magic_url () {
275		- // Explicit update request in the HTTP request (e.g. from a cron job)
	203	+
276	204	if (FeedWordPress::update_requested()) :
277		- $feedwordpress =& new FeedWordPress;
278		- $feedwordpress->update(FeedWordPress::update_requested_url());
279		-
280		- // Magic URL should return nothing but a 200 OK header packet
281		- // when successful.
282	205	exit;
283	206	endif;
284		-} /* feedwordpress_magic_update_url () */
	207	+} /* feedwordpress_auto_update () */
285	208
286	209	################################################################################
287	210	## LOGGING FUNCTIONS: log status updates to error_log if you want it ###########
288	211	################################################################################
		@@ -319,161 +242,31 @@
319	242	.(is_null($delta) ? "Error: I don't syndicate that URI"
320	243	: implode(' and ', $mesg)));
321	244	}
322	245
323		-function debug_out_feedwordpress_post ($id) {
324		- $post = wp_get_single_post($id);
325		- print ("[".date('Y-m-d H:i:s')."][feedwordpress] posted "
326		- ."'{$post->post_title}' ({$post->post_date})\n");
327		-}
328		-
329		-function debug_out_feedwordpress_update_post ($id) {
330		- $post = wp_get_single_post($id);
331		- print ("[".date('Y-m-d H:i:s')."][feedwordpress] updated "
332		- ."'{$post->post_title}' ({$post->post_date})"
333		- ." (as of {$post->post_modified})\n");
334		-}
335		-
336		-function debug_out_feedwordpress_update_feeds ($uri) {
337		- print ("[".date('Y-m-d H:i:s')."][feedwordpress] update('$uri')\n");
338		-}
339		-
340		-function debug_out_feedwordpress_check_feed ($feed) {
341		- $uri = $feed['link/uri']; $name = $feed['link/name'];
342		- print ("[".date('Y-m-d H:i:s')."][feedwordpress] Examining $name <$uri>\n");
343		-}
344		-
345		-function debug_out_feedwordpress_update_complete ($delta) {
346		- $mesg = array();
347		- if (isset($delta['new'])) $mesg[] = 'added '.$delta['new'].' new posts';
348		- if (isset($delta['updated'])) $mesg[] = 'updated '.$delta['updated'].' existing posts';
349		- if (empty($mesg)) $mesg[] = 'nothing changed';
350		-
351		- print ("[".date('Y-m-d H:i:s')."][feedwordpress] "
352		- .(is_null($delta) ? "Error: I don't syndicate that URI"
353		- : implode(' and ', $mesg))."\n");
354		-}
355		-
356	246	################################################################################
357	247	## TEMPLATE API: functions to make your templates syndication-aware ############
358	248	################################################################################
359	249
360		-function is_syndicated ($id = NULL) { return (strlen(get_syndication_feed_id($id)) > 0); }
	250	+function is_syndicated () { return (strlen(get_syndication_feed_id()) > 0); }
361	251
362		-function get_syndication_source_link ($original = NULL, $id = NULL) {
363		- if (is_null($original)) : $original = FeedWordPress::use_aggregator_source_data();
364		- endif;
	252	+function the_syndication_source_link () { echo get_syndication_source_link(); }
	253	+function get_syndication_source_link () { list($n) = get_post_custom_values('syndication_source_uri'); return $n; }
365	254
366		- if ($original) : $vals = get_post_custom_values('syndication_source_uri_original', $id);
367		- else : $vals = array();
368		- endif;
369		-
370		- if (count($vals) == 0) : $vals = get_post_custom_values('syndication_source_uri', $id);
371		- endif;
372		-
373		- if (count($vals) > 0) : $ret = $vals[0]; else : $ret = NULL; endif;
	255	+function get_syndication_source () { list($n) = get_post_custom_values('syndication_source'); return $n; }
	256	+function the_syndication_source () { echo get_syndication_source(); }
374	257
375		- return $ret;
376		-} /* function get_syndication_source_link() */
	258	+function get_syndication_feed () { list($u) = get_post_custom_values('syndication_feed'); return $u; }
	259	+function the_syndication_feed () { echo get_syndication_feed (); }
377	260
378		-function the_syndication_source_link ($original = NULL, $id = NULL) {
379		- echo get_syndication_source_link($original, $id);
380		-}
	261	+function get_syndication_feed_id () { list($u) = get_post_custom_values('syndication_feed_id'); return $u; }
	262	+function the_syndication_feed_id () { echo get_syndication_feed_id(); }
381	263
382		-function feedwordpress_display_url ($url, $before = 60, $after = 0) {
383		- $bits = parse_url($url);
384		-
385		- // Strip out crufty subdomains
386		- $bits['host'] = preg_replace('/^www[0-9]*\./i', '', $bits['host']);
387		-
388		- // Reassemble bit-by-bit with minimum of crufty elements
389		- $url = (isset($bits['user'])?$bits['user'].'@':'')
390		- .(isset($bits['host'])?$bits['host']:'')
391		- .(isset($bits['path'])?$bits['path']:'')
392		- .(isset($bits['query'])?'?'.$bits['query']:'');
393		-
394		- if (strlen($url) > ($before+$after)) :
395		- $url = substr($url, 0, $before).'…'.substr($url, 0 - $after, $after);
396		- endif;
397		-
398		- return $url;
399		-}
400		-
401		-function get_syndication_source ($original = NULL, $id = NULL) {
402		- if (is_null($original)) :
403		- $original = FeedWordPress::use_aggregator_source_data();
404		- endif;
405		-
406		- if ($original) :
407		- $vals = get_post_custom_values('syndication_source_original', $id);
408		- else :
409		- $vals = array();
410		- endif;
411		-
412		- if (count($vals) == 0) :
413		- $vals = get_post_custom_values('syndication_source', $id);
414		- endif;
415		-
416		- if (count($vals) > 0) :
417		- $ret = $vals[0];
418		- else :
419		- $ret = NULL;
420		- endif;
421		-
422		- if (is_null($ret) or strlen(trim($ret)) == 0) :
423		- // Fall back to URL of blog
424		- $ret = feedwordpress_display_url(get_syndication_source_link());
425		- endif;
426		-
427		- return $ret;
428		-} /* function get_syndication_source() */
429		-
430		-function the_syndication_source ($original = NULL, $id = NULL) { echo get_syndication_source($original, $id); }
431		-
432		-function get_syndication_feed ($original = NULL, $id = NULL) {
433		- if (is_null($original)) : $original = FeedWordPress::use_aggregator_source_data();
434		- endif;
435		-
436		- if ($original) : $vals = get_post_custom_values('syndication_feed_original', $id);
437		- else : $vals = array();
438		- endif;
439		-
440		- if (count($vals) == 0) : $vals = get_post_custom_values('syndication_feed', $id);
441		- endif;
442		-
443		- if (count($vals) > 0) : $ret = $vals[0]; else : $ret = NULL; endif;
444		-
445		- return $ret;
446		-} /* function get_syndication_feed() */
447		-
448		-function the_syndication_feed ($original = NULL, $id = NULL) { echo get_syndication_feed($original, $id); }
449		-
450		-function get_syndication_feed_guid ($original = NULL, $id = NULL) {
451		- if (is_null($original)) : $original = FeedWordPress::use_aggregator_source_data();
452		- endif;
453		-
454		- if ($original) : $vals = get_post_custom_values('syndication_source_id_original', $id);
455		- else : $vals = array();
456		- endif;
457		-
458		- if (count($vals) == 0) : $vals = array(get_feed_meta('feed/id', $id));
459		- endif;
460		-
461		- if (count($vals) > 0) : $ret = $vals[0]; else : $ret = NULL; endif;
462		-
463		- return $ret;
464		-} /* function get_syndication_feed_guid () */
465		-
466		-function the_syndication_feed_guid ($original = NULL, $id = NULL) { echo get_syndication_feed_guid($original, $id); }
467		-
468		-function get_syndication_feed_id ($id = NULL) { list($u) = get_post_custom_values('syndication_feed_id', $id); return $u; }
469		-function the_syndication_feed_id ($id = NULL) { echo get_syndication_feed_id($id); }
470		-
471	264	$feedwordpress_linkcache = array (); // only load links from database once
472	265
473		-function get_feed_meta ($key, $id = NULL) {
	266	+function get_feed_meta ($key) {
474	267	global $wpdb, $feedwordpress_linkcache;
475		- $feed_id = get_syndication_feed_id($id);
	268	+ $feed_id = get_syndication_feed_id();
476	269
477	270	$ret = NULL;
478	271	if (strlen($feed_id) > 0):
479	272	if (isset($feedwordpress_linkcache[$feed_id])) :
		@@ -487,13 +280,13 @@
487	280	endif;
488	281	return $ret;
489	282	} /* get_feed_meta() */
490	283
491		-function get_syndication_permalink ($id = NULL) {
492		- list($u) = get_post_custom_values('syndication_permalink', $id); return $u;
	284	+function get_syndication_permalink () {
	285	+ list($u) = get_post_custom_values('syndication_permalink'); return $u;
493	286	}
494		-function the_syndication_permalink ($id = NULL) {
495		- echo get_syndication_permalink($id);
	287	+function the_syndication_permalink () {
	288	+ echo get_syndication_permalink();
496	289	}
497	290
498	291	################################################################################
499	292	## FILTERS: syndication-aware handling of post data for templates and feeds ####
		@@ -503,13 +296,9 @@
503	296
504	297	function feedwordpress_preserve_syndicated_content ($text) {
505	298	global $feedwordpress_the_syndicated_content;
506	299
507		- $globalExpose = (get_option('feedwordpress_formatting_filters') == 'yes');
508		- $localExpose = get_post_custom_values('_feedwordpress_formatting_filters');
509		- $expose = ($globalExpose or ((count($localExpose) > 0) and $localExpose[0]));
510		-
511		- if ( is_syndicated() and !$expose ) :
	300	+ if ( is_syndicated() and get_option('feedwordpress_formatting_filters') != 'yes' ) :
512	301	$feedwordpress_the_syndicated_content = $text;
513	302	else :
514	303	$feedwordpress_the_syndicated_content = NULL;
515	304	endif;
		@@ -534,9 +323,9 @@
534	323	<title><?php the_syndication_source(); ?></title>
535	324	<link rel="alternate" type="text/html" href="<?php the_syndication_source_link(); ?>" />
536	325	<link rel="self" href="<?php the_syndication_feed(); ?>" />
537	326	<?php
538		- $id = get_syndication_feed_guid();
	327	+ $id = get_feed_meta('feed/id');
539	328	if (strlen($id) > 0) :
540	329	?>
541	330	<id><?php print $id; ?></id>
542	331	<?php
		@@ -568,133 +357,13 @@
568	357	function fwp_add_pages () {
569	358	global $fwp_capability;
570	359	global $fwp_path;
571	360
572		- $menu = array('Syndicated Sites', 'Syndication', $fwp_capability['manage_links'], $fwp_path.'/syndication.php', NULL);
573		- if (fwp_test_wp_version(FWP_SCHEMA_27)) :
574		- // add icon parameter
575		- $menu[] = WP_PLUGIN_URL.'/'.$fwp_path.'/feedwordpress-tiny.png';
576		- endif;
	361	+ add_menu_page('Syndicated Sites', 'Syndication', $fwp_capability['manage_links'], $fwp_path.'/syndication.php');
	362	+ add_submenu_page($fwp_path.'/syndication.php', 'Syndication Options', 'Options', $fwp_capability['manage_options'], $fwp_path.'/syndication-options.php');
	363	+ add_options_page('Syndication Options', 'Syndication', $fwp_capability['manage_options'], $fwp_path.'/syndication-options.php');
	364	+} // function fwp_add_pages () */
577	365
578		- call_user_func_array('add_menu_page', $menu);
579		- add_submenu_page($fwp_path.'/syndication.php', 'Syndicated Feeds & Updates', 'Feeds & Updates', $fwp_capability['manage_options'], $fwp_path.'/feeds-page.php');
580		- add_submenu_page($fwp_path.'/syndication.php', 'Syndicated Posts & Links', 'Posts & Links', $fwp_capability['manage_options'], $fwp_path.'/posts-page.php');
581		- add_submenu_page($fwp_path.'/syndication.php', 'Syndicated Authors', 'Authors', $fwp_capability['manage_options'], $fwp_path.'/authors-page.php');
582		- add_submenu_page($fwp_path.'/syndication.php', 'Categories'.FEEDWORDPRESS_AND_TAGS, 'Categories'.FEEDWORDPRESS_AND_TAGS, $fwp_capability['manage_options'], $fwp_path.'/categories-page.php');
583		- add_submenu_page($fwp_path.'/syndication.php', 'FeedWordPress Back End', 'Back End', $fwp_capability['manage_options'], $fwp_path.'/backend-page.php');
584		-} /* function fwp_add_pages () */
585		-
586		-function fwp_check_debug () {
587		- // This is a horrible fucking kludge that I have to do because the
588		- // admin notice code is triggered before the code that updates the
589		- // setting.
590		- if (isset($_POST['feedwordpress_debug'])) :
591		- $feedwordpress_debug = $_POST['feedwordpress_debug'];
592		- else :
593		- $feedwordpress_debug = get_option('feedwordpress_debug');
594		- endif;
595		- if ($feedwordpress_debug==='yes') :
596		-?>
597		- <div class="error">
598		-<p><strong>FeedWordPress warning.</strong> Debugging mode is <strong>ON</strong>.
599		-While it remains on, FeedWordPress displays many diagnostic error messages,
600		-warnings, and notices that are ordinarily suppressed, and also turns off all
601		-caching of feeds. Use with caution: this setting is absolutely inappropriate
602		-for a production server.</p>
603		- </div>
604		-<?php
605		- endif;
606		-} /* function fwp_check_debug () */
607		-
608		-define('EXPECTED_MAGPIE_VERSION', '2009.0725');
609		-function fwp_check_magpie () {
610		- if (isset($_REQUEST['feedwordpress_magpie_fix'])) :
611		- if ($_REQUEST['feedwordpress_magpie_fix']=='ignored') :
612		-?>
613		-<div class="updated fade">
614		-<p>O.K., we'll ignore the problem for now. FeedWordPress will not display any
615		-more error messages.</p>
616		-</div>
617		-<?php
618		- elseif ((bool) $_REQUEST['feedwordpress_magpie_fix']) :
619		-?>
620		-<div class="updated fade">
621		-<p>Congratulations! Your MagpieRSS has been successfully upgraded to the version
622		-shipped with FeedWordPress.</p>
623		-</div>
624		-<?php
625		- else :
626		- $source = dirname(__FILE__)."/MagpieRSS-upgrade/rss.php";
627		- $destination = ABSPATH . WPINC . '/rss.php';
628		- $cmd = "cp '".htmlspecialchars(addslashes($source))."' '".htmlspecialchars(addslashes($destination))."'";
629		- $cmd = wordwrap($cmd, /width=/ 75, /break=/ " \\\n\t");
630		-
631		-?>
632		-<div class="error">
633		-<p><strong>FeedWordPress was unable to automatically upgrade your copy of MagpieRSS.</strong></p>
634		-<p>It's likely that you need to change the file permissions on <code><?php print htmlspecialchars($source); ?></code>
635		-to allow FeedWordPress to overwrite it.</p>
636		-<p><strong>To perform the upgrade manually,</strong> you can
637		-use a SFTP or FTP client to upload a copy of <code>rss.php</code> from the
638		-<code>MagpieRSS-upgrades/</code> directory of your FeedWordPress archive so that
639		-it overwrites <code><?php print htmlspecialchars($destination); ?></code>. Or,
640		-if your web host provides shell access, you can issue the following command from
641		-a command prompt to perform the upgrade:</p>
642		-<pre>
643		-<samp>$</samp> <kbd><?php print $cmd; ?></kbd>
644		-</pre>
645		-<p><strong>If you've fixed the file permissions,</strong> you can try the
646		-automatic upgrade again.</p>
647		-
648		-<?php feedwordpress_upgrade_old_and_busted_buttons(); ?>
649		-</div>
650		-<?php
651		- endif;
652		- else :
653		- $magpie_version = FeedWordPress::magpie_version();
654		-
655		- $ignored = get_option('feedwordpress_magpie_ignored_upgrade_to');
656		- if (EXPECTED_MAGPIE_VERSION != $magpie_version and EXPECTED_MAGPIE_VERSION != $ignored) :
657		- if (current_user_can('edit_files')) :
658		- $youAre = 'you are';
659		- $itIsRecommendedThatYou = 'It is <strong>strongly recommended</strong> that you';
660		- else :
661		- $youAre = 'this site is';
662		- $itIsRecommendedThatYou = 'You may want to contact the administrator of the site; it is <strong>strongly recommended</strong> that they';
663		- endif;
664		- print '<div class="error">';
665		-?>
666		-<p style="font-style: italic"><strong>FeedWordPress has detected that <?php print $youAre; ?> currently using a version of
667		-MagpieRSS other than the upgraded version that ships with this version of FeedWordPress.</strong></p>
668		-<ul>
669		-<li><strong>Currently running:</strong> MagpieRSS <?php print $magpie_version; ?></li>
670		-<li><strong>Version included with FeedWordPress <?php print FEEDWORDPRESS_VERSION; ?>:</strong> MagpieRSS <?php print EXPECTED_MAGPIE_VERSION; ?></li>
671		-</ul>
672		-<p><?php print $itIsRecommendedThatYou; ?> install the upgraded
673		-version of MagpieRSS supplied with FeedWordPress. The version of
674		-MagpieRSS that ships with WordPress is very old and buggy, and
675		-encounters a number of errors when trying to parse modern Atom
676		-and RSS feeds.</p>
677		-<?php
678		- feedwordpress_upgrade_old_and_busted_buttons();
679		- print '</div>';
680		- endif;
681		- endif;
682		-}
683		-
684		-function feedwordpress_upgrade_old_and_busted_buttons() {
685		- if (current_user_can('edit_files')) :
686		-?>
687		-<form action="" method="post"><div>
688		-<?php FeedWordPressCompatibility::stamp_nonce('feedwordpress_fix_magpie'); ?>
689		-<input type="hidden" name="action" value="fix_magpie_version" />
690		-<input class="button-secondary" type="submit" name="ignore" value="<?php _e('Ignore this problem'); ?>" />
691		-<input class="button-primary" type="submit" name="upgrade" value="<?php _e('Upgrade'); ?>" />
692		-</div></form>
693		-<?php
694		- endif;
695		-}
696		-
697	366	################################################################################
698	367	## fwp_hold_pings() and fwp_release_pings(): Outbound XML-RPC ping reform ####
699	368	## ... 'coz it's rude to send 500 pings the first time your aggregator runs ####
700	369	################################################################################
		@@ -848,9 +517,9 @@
848	517	#
849	518	# * Updates to existing posts since the last poll are mirrored in the
850	519	# WordPress store.
851	520	#
852		- function update ($uri = null, $crash_ts = null) {
	521	+ function update ($uri = null) {
853	522	global $wpdb;
854	523
855	524	if (FeedWordPress::needs_upgrade()) : // Will make duplicate posts if we don't hold off
856	525	return NULL;
		@@ -863,30 +532,13 @@
863	532	endif;
864	533
865	534	do_action('feedwordpress_update', $uri);
866	535
867		- if (is_null($crash_ts)) :
868		- $crash_dt = (int) get_option('feedwordpress_update_time_limit');
869		- if ($crash_dt > 0) :
870		- $crash_ts = time() + $crash_dt;
871		- else :
872		- $crash_ts = NULL;
873		- endif;
874		- endif;
875		-
876		- // Randomize order for load balancing purposes
877		- $feed_set = $this->feeds;
878		- shuffle($feed_set);
879		-
880	536	// Loop through and check for new posts
881	537	$delta = NULL;
882		- foreach ($feed_set as $feed) :
883		- if (!is_null($crash_ts) and (time() > $crash_ts)) : // Check whether we've exceeded the time limit
884		- break;
885		- endif;
	538	+ foreach ($this->feeds as $feed) :
	539	+ $pinged_that = (is_null($uri) or in_array($uri, array($feed->uri(), $feed->homepage())));
886	540
887		- $pinged_that = (is_null($uri) or ($uri=='*') or in_array($uri, array($feed->uri(), $feed->homepage())));
888		-
889	541	if (!is_null($uri)) : // A site-specific ping always updates
890	542	$timely = true;
891	543	else :
892	544	$timely = $feed->stale();
		@@ -897,12 +549,9 @@
897	549	endif;
898	550
899	551	if ($pinged_that and $timely) :
900	552	do_action('feedwordpress_check_feed', $feed->settings);
901		- $start_ts = time();
902		- $added = $feed->poll($crash_ts);
903		- do_action('feedwordpress_check_feed_complete', $feed->settings, $added, time() - $start_ts);
904		-
	553	+ $added = $feed->poll();
905	554	if (isset($added['new'])) : $delta['new'] += $added['new']; endif;
906	555	if (isset($added['updated'])) : $delta['updated'] += $added['updated']; endif;
907	556	endif;
908	557	endforeach;
		@@ -913,11 +562,8 @@
913	562	}
914	563
915	564	function stale () {
916	565	if (get_option('feedwordpress_automatic_updates')) :
917		- // Do our best to avoid possible simultaneous
918		- // updates by getting up-to-the-minute settings.
919		-
920	566	$last = get_option('feedwordpress_last_update_all');
921	567
922	568	// If we haven't updated all yet, give it a time window
923	569	if (false === $last) :
		@@ -936,8 +582,12 @@
936	582	else :
937	583	FeedWordPress::critical_bug('FeedWordPress::stale::last', $last, __LINE__);
938	584	endif;
939	585
	586	+ // Explicit request for an update (e.g. from a cron job).
	587	+ elseif (FeedWordPress::update_requested()) :
	588	+ $ret = true;
	589	+
940	590	else :
941	591	$ret = false;
942	592	endif;
943	593	return $ret;
		@@ -943,25 +593,11 @@
943	593	return $ret;
944	594	} // FeedWordPress::stale()
945	595
946	596	function update_requested () {
947		- return (
948		- isset($_REQUEST['update_feedwordpress'])
949		- and $_REQUEST['update_feedwordpress']
950		- );
	597	+ return (isset($_REQUEST['update_feedwordpress']) and $_REQUEST['update_feedwordpress']);
951	598	} // FeedWordPress::update_requested()
952	599
953		- function update_requested_url () {
954		- $ret = null;
955		-
956		- if (($_REQUEST['update_feedwordpress']=='*')
957		- or (preg_match('\|^http://.*\|i', $_REQUEST['update_feedwordpress']))) :
958		- $ret = $_REQUEST['update_feedwordpress'];
959		- endif;
960		-
961		- return $ret;
962		- } // FeedWordPress::update_requested_url()
963		-
964	600	function syndicate_link ($name, $uri, $rss) {
965	601	global $wpdb;
966	602
967	603	// Get the category ID#
		@@ -969,29 +605,16 @@
969	605
970	606	// WordPress gets cranky if there's no homepage URI
971	607	if (!isset($uri) or strlen($uri)<1) : $uri = $rss; endif;
972	608
973		- if (function_exists('wp_insert_link')) : // WordPress 2.x
974		- if (FeedWordPressCompatibility::test_version(0, FWP_SCHEMA_21)) :
975		- // Morons.
976		- $name = $wpdb->escape($name);
977		- $uri = $wpdb->escape($uri);
978		- $rss = $wpdb->escape($rss);
979		-
980		- // Comes in as a single category
981		- $linkCats = $cat_id;
982		- else :
983		- // Comes in as an array of categories
984		- $linkCats = array($cat_id);
985		- endif;
986		-
	609	+ if (function_exists('wp_insert_link')) { // WordPress 2.x
987	610	$link_id = wp_insert_link(array(
988	611	"link_name" => $name,
989	612	"link_url" => $uri,
990		- "link_category" => $linkCats,
	613	+ "link_category" => array($cat_id),
991	614	"link_rss" => $rss
992	615	));
993		- else : // WordPress 1.5.x
	616	+ } else { // WordPress 1.5.x
994	617	$result = $wpdb->query("
995	618	INSERT INTO $wpdb->links
996	619	SET
997	620	link_name = '".$wpdb->escape($name)."',
		@@ -999,20 +622,12 @@
999	622	link_category = '".$wpdb->escape($cat_id)."',
1000	623	link_rss = '".$wpdb->escape($rss)."'
1001	624	");
1002	625	$link_id = $wpdb->insert_id;
1003		- endif;
	626	+ } // if
1004	627	return $link_id;
1005	628	} // function FeedWordPress::syndicate_link()
1006	629
1007		- /static/ function syndicated_status ($what, $default) {
1008		- $ret = get_option("feedwordpress_syndicated_{$what}_status");
1009		- if (!$ret) :
1010		- $ret = $default;
1011		- endif;
1012		- return $ret;
1013		- } /* FeedWordPress::syndicated_status() */
1014		-
1015	630	function on_unfamiliar ($what = 'author', $override = NULL) {
1016	631	$set = array(
1017	632	'author' => array('create', 'default', 'filter'),
1018	633	'category' => array('create', 'tag', 'default', 'filter'),
		@@ -1031,33 +646,8 @@
1031	646
1032	647	return $ret;
1033	648	} // function FeedWordPress::on_unfamiliar()
1034	649
1035		- function null_email_set () {
1036		- $base = get_option('feedwordpress_null_email_set');
1037		-
1038		- if ($base===false) :
1039		- $ret = array('noreply@blogger.com'); // default
1040		- else :
1041		- $ret = array_map('strtolower',
1042		- array_map('trim', explode("\n", $base)));
1043		- endif;
1044		- $ret = apply_filters('syndicated_item_author_null_email_set', $ret);
1045		- return $ret;
1046		-
1047		- } /* FeedWordPress::null_email_set () */
1048		-
1049		- function is_null_email ($email) {
1050		- $ret = in_array(strtolower(trim($email)), FeedWordPress::null_email_set());
1051		- $ret = apply_filters('syndicated_item_author_is_null_email', $ret, $email);
1052		- return $ret;
1053		- } /* FeedWordPress::is_null_email () */
1054		-
1055		- function use_aggregator_source_data () {
1056		- $ret = get_option('feedwordpress_use_aggregator_source_data');
1057		- return apply_filters('syndicated_post_use_aggregator_source_data', ($ret=='yes'));
1058		- }
1059		-
1060	650	function syndicated_links () {
1061	651	$contributors = FeedWordPress::link_category_id();
1062	652	if (function_exists('get_bookmarks')) :
1063	653	$links = get_bookmarks(array("category" => $contributors));
		@@ -1071,31 +661,61 @@
1071	661	global $wpdb, $wp_db_version;
1072	662
1073	663	$cat_id = get_option('feedwordpress_cat_id');
1074	664
1075		- // If we don't yet have the category ID stored, search by name
1076		- if (!$cat_id) :
1077		- $cat_id = FeedWordPressCompatibility::link_category_id(DEFAULT_SYNDICATION_CATEGORY);
	665	+ // If we don't yet have the category, we'll have to create it
	666	+ if ($cat_id === false) :
	667	+ $cat = $wpdb->escape(DEFAULT_SYNDICATION_CATEGORY);
	668	+
	669	+ // Look for something with the right name...
	670	+ // -----------------------------------------
1078	671
1079		- if ($cat_id) :
1080		- // We found it; let's stamp it.
1081		- update_option('feedwordpress_cat_id', $cat_id);
	672	+ // WordPress 2.3 introduces a new taxonomy/term API
	673	+ if (function_exists('is_term')) :
	674	+ $cat_id = is_term($cat, 'link_category');
	675	+ // WordPress 2.1 and 2.2 use a common table for both link and post categories
	676	+ elseif (isset($wp_db_version) and ($wp_db_version >= FWP_SCHEMA_21 and $wp_db_version < FWP_SCHEMA_23) ) :
	677	+ $cat_id = $wpdb->get_var("SELECT cat_id FROM {$wpdb->categories} WHERE cat_name='$cat'");
	678	+ // WordPress 1.5 and 2.0.x have a separate table for link categories
	679	+ elseif (!isset($wp_db_version) or $wp_db_version < FWP_SCHEMA_21) :
	680	+ $cat_id = $wpdb->get_var("SELECT cat_id FROM {$wpdb->linkcategories} WHERE cat_name='$cat'");
	681	+ // This should never happen.
	682	+ else :
	683	+ FeedWordPress::critical_bug('FeedWordPress::link_category_id::wp_db_version', $wp_db_version, __LINE__);
1082	684	endif;
1083	685
1084		- // If we do have the category ID stored, verify that it exists
1085		- else :
1086		- $cat_id = FeedWordPressCompatibility::link_category_id((int) $cat_id, 'cat_id');
1087		- endif;
1088		-
1089		- // If we could not find an appropriate link category,
1090		- // make a new one for ourselves.
1091		- if (!$cat_id) :
1092		- $cat_id = FeedWordPressCompatibility::insert_link_category(DEFAULT_SYNDICATION_CATEGORY);
	686	+ // If you still can't find anything, make it for yourself.
	687	+ // -------------------------------------------------------
	688	+ if (!$cat_id) :
	689	+ // WordPress 2.3+ term/taxonomy API
	690	+ if (function_exists('wp_insert_term')) :
	691	+ $term = wp_insert_term($cat, 'link_category');
	692	+ $cat_id = $term['term_id'];
	693	+ // WordPress 2.1, 2.2 category API. By the way, why the fuck is this API function only available in a wp-admin module?
	694	+ elseif (function_exists('wp_insert_category')) :
	695	+ $cat_id = wp_insert_category(array('cat_name' => $cat));
	696	+ // WordPress 1.5 and 2.0.x
	697	+ elseif (!isset($wp_db_version) or $wp_db_version < FWP_SCHEMA_21) :
	698	+ $result = $wpdb->query("
	699	+ INSERT INTO $wpdb->linkcategories
	700	+ SET
	701	+ cat_id = 0,
	702	+ cat_name='$cat',
	703	+ show_images='N',
	704	+ show_description='N',
	705	+ show_rating='N',
	706	+ show_updated='N',
	707	+ sort_order='name'
	708	+ ");
	709	+ $cat_id = $wpdb->insert_id;
	710	+ // This should never happen.
	711	+ else :
	712	+ FeedWordPress::critical_bug('FeedWordPress::link_category_id::wp_db_version', $wp_db_version, __LINE__);
	713	+ endif;
	714	+ endif;
1093	715
1094		- // Stamp it
1095	716	update_option('feedwordpress_cat_id', $cat_id);
1096	717	endif;
1097		-
1098	718	return $cat_id;
1099	719	} // function FeedWordPress::link_category_id()
1100	720
1101	721	# Upgrades and maintenance...
		@@ -1105,9 +725,12 @@
1105	725	$ret = false; // innocent until proven guilty
1106	726	if (!$fwp_db_version or $fwp_db_version < FEEDWORDPRESS_VERSION) :
1107	727	// This is an older version or a fresh install. Does it
1108	728	// require a database upgrade or database initialization?
1109		- if ($fwp_db_version <= 0.96) :
	729	+ if ($fwp_db_version > 0.96) :
	730	+ // No. Just brand it with the new version.
	731	+ update_option('feedwordpress_version', FEEDWORDPRESS_VERSION);
	732	+ else :
1110	733	// Yes. Check to see whether this is a fresh install or an upgrade.
1111	734	$syn = $wpdb->get_col("
1112	735	SELECT post_id
1113	736	FROM $wpdb->postmeta
		@@ -1117,21 +740,8 @@
1117	740	$ret = true;
1118	741	else : // fresh install; brand it as ours
1119	742	update_option('feedwordpress_version', FEEDWORDPRESS_VERSION);
1120	743	endif;
1121		- elseif ($fwp_db_version < 2009.0707) :
1122		- // We need to clear out any busted AJAX crap
1123		- if (fwp_test_wp_version(FWP_SCHEMA_HAS_USERMETA)) :
1124		- $wpdb->query("
1125		- DELETE FROM $wpdb->usermeta
1126		- WHERE LOCATE('feedwordpress', meta_key)
1127		- AND LOCATE('box', meta_key);
1128		- ");
1129		- endif;
1130		- update_option('feedwordpress_version', FEEDWORDPRESS_VERSION);
1131		- else :
1132		- // No. Just brand it with the new version.
1133		- update_option('feedwordpress_version', FEEDWORDPRESS_VERSION);
1134	744	endif;
1135	745	endif;
1136	746	return $ret;
1137	747	}
		@@ -1172,16 +782,14 @@
1172	782	$wpdb->query("DROP TABLE tmp_custom_values");
1173	783
1174	784	// Now fix the guids to avoid duplicate posts
1175	785	echo "<ul>";
1176		- foreach ($this->feeds as $syndicatedLink) :
1177		- $feed = $syndicatedLink->settings;
	786	+ foreach ($this->feeds as $feed) :
1178	787	echo "<li>Fixing post meta-data for <cite>".$feed['link/name']."</cite> … "; flush();
1179	788	$rss = @fetch_rss($feed['link/uri']);
1180	789	if (is_array($rss->items)) :
1181	790	foreach ($rss->items as $item) :
1182		- $post = new SyndicatedPost($item, $syndicatedLink);
1183		- $guid = $wpdb->escape($post->guid()); // new GUID algorithm
	791	+ $guid = $wpdb->escape(FeedWordPress::guid($item, $feed)); // new GUID algorithm
1184	792	$link = $wpdb->escape($item['link']);
1185	793
1186	794	$wpdb->query("
1187	795	UPDATE `{$wpdb->posts}` SET guid='{$guid}' WHERE guid='{$link}'
		@@ -1197,37 +805,8 @@
1197	805	endswitch;
1198	806	echo "<p>Upgrade complete. FeedWordPress is now ready to use again.</p>";
1199	807	} /* FeedWordPress::upgrade_database() */
1200	808
1201		- function create_guid_index () {
1202		- global $wpdb;
1203		-
1204		- $wpdb->query("
1205		- CREATE INDEX {$wpdb->posts}_guid_idx ON {$wpdb->posts}(guid)
1206		- ");
1207		- } /* FeedWordPress::create_guid_index () */
1208		-
1209		- function clear_cache () {
1210		- global $wpdb;
1211		-
1212		- // MagpieRSS stores its cached feeds in options table rows with
1213		- // name = `rss_{md5 of url}` and timestamps for cached feeds in
1214		- // table rows with name = `rss_{md5 of url}_ts`. The md5 is
1215		- // always 32 characters in length, so the total option_name is
1216		- // always over 32 characters.
1217		- $wpdb->query("
1218		- DELETE FROM {$wpdb->options}
1219		- WHERE LOCATE('rss_', option_name) AND LENGTH(option_name) > 32
1220		- ");
1221		- } /* FeedWordPress::clear_cache () */
1222		-
1223		- function magpie_version () {
1224		- if (!defined('MAGPIE_VERSION')) : $magpie_version = $GLOBALS['wp_version'].'-default';
1225		- else : $magpie_version = MAGPIE_VERSION;
1226		- endif;
1227		- return $magpie_version;
1228		- }
1229		-
1230	809	# Utility functions for handling text settings
1231	810	function negative ($f, $setting) {
1232	811	$nego = array ('n', 'no', 'f', 'false');
1233	812	return (isset($f[$setting]) and in_array(strtolower($f[$setting]), $nego));
		@@ -1242,34 +821,1454 @@
1242	821	# Internal debugging functions
1243	822	function critical_bug ($varname, $var, $line) {
1244	823	global $wp_version;
1245	824
1246		- if (defined('MAGPIE_VERSION')) : $mv = MAGPIE_VERSION;
1247		- else : $mv = 'WordPress '.$wp_version.' default.';
1248		- endif;
1249		-
1250	825	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>';
1251	826	echo "\n<plaintext>";
1252	827	echo "Triggered at line # ".$line."\n";
1253	828	echo "FeedWordPress version: ".FEEDWORDPRESS_VERSION."\n";
1254		- echo "MagpieRSS version: {$mv}\n";
1255		- echo "WordPress version: {$wp_version}\n";
	829	+ echo "WordPress version: $wp_version\n";
1256	830	echo "PHP version: ".phpversion()."\n";
1257	831	echo "\n";
1258	832	echo $varname.": "; var_dump($var); echo "\n";
1259	833	die;
1260	834	}
	835	+} // class FeedWordPress
	836	+
	837	+class SyndicatedPost {
	838	+ var $item = null;
1261	839
1262		- function noncritical_bug ($varname, $var, $line) {
1263		- if (FEEDWORDPRESS_DEBUG) : // halt only when we are doing debugging
1264		- FeedWordPress::critical_bug($varname, $var, $line);
	840	+ var $link = null;
	841	+ var $feed = null;
	842	+ var $feedmeta = null;
	843	+
	844	+ var $post = array ();
	845	+ var $_base = null;
	846	+
	847	+ var $_freshness = null;
	848	+ var $_wp_id = null;
	849	+
	850	+ function SyndicatedPost ($item, $link) {
	851	+ global $wpdb;
	852	+
	853	+ $this->link = $link;
	854	+ $feedmeta = $link->settings;
	855	+ $feed = $link->magpie;
	856	+
	857	+ # This is ugly as all hell. I'd like to use apply_filters()'s
	858	+ # alleged support for a variable argument count, but this seems
	859	+ # to have been broken in WordPress 1.5. It'll be fixed somehow
	860	+ # in WP 1.5.1, but I'm aiming at WP 1.5 compatibility across
	861	+ # the board here.
	862	+ #
	863	+ # Cf.: <http://mosquito.wordpress.org/view.php?id=901>
	864	+ global $fwp_channel, $fwp_feedmeta;
	865	+ $fwp_channel = $feed; $fwp_feedmeta = $feedmeta;
	866	+
	867	+ $this->feed = $feed;
	868	+ $this->feedmeta = $feedmeta;
	869	+
	870	+ $this->item = $item;
	871	+ $this->item = apply_filters('syndicated_item', $this->item, $this);
	872	+
	873	+ # Filters can halt further processing by returning NULL
	874	+ if (is_null($this->item)) :
	875	+ $this->post = NULL;
	876	+ else :
	877	+ # Note that nothing is run through $wpdb->escape() here.
	878	+ # That's deliberate. The escaping is done at the point
	879	+ # of insertion, not here, to avoid double-escaping and
	880	+ # to avoid screwing with syndicated_post filters
	881	+
	882	+ $this->post['post_title'] = apply_filters('syndicated_item_title', $this->item['title'], $this);
	883	+
	884	+ // This just gives us an alphanumeric representation of
	885	+ // the author. We will look up (or create) the numeric
	886	+ // ID for the author in SyndicatedPost::add()
	887	+ $this->post['named']['author'] = apply_filters('syndicated_item_author', $this->author(), $this);
	888	+
	889	+ # Identify content and sanitize it.
	890	+ # ---------------------------------
	891	+ if (isset($this->item['xhtml']['body'])) :
	892	+ $content = $this->item['xhtml']['body'];
	893	+ elseif (isset($this->item['xhtml']['div'])) :
	894	+ $content = $this->item['xhtml']['div'];
	895	+ elseif (isset($this->item['content']['encoded']) and $this->item['content']['encoded']):
	896	+ $content = $this->item['content']['encoded'];
	897	+ else:
	898	+ $content = $this->item['description'];
	899	+ endif;
	900	+ $this->post['post_content'] = apply_filters('syndicated_item_content', $content, $this);
	901	+
	902	+ # Identify and sanitize excerpt
	903	+ $excerpt = NULL;
	904	+ if ( isset($this->item['description']) and $this->item['description'] ) :
	905	+ $excerpt = $this->item['description'];
	906	+ elseif ( isset($content) and $content ) :
	907	+ $excerpt = strip_tags($content);
	908	+ if (strlen($excerpt) > 255) :
	909	+ $excerpt = substr($excerpt,0,252).'...';
	910	+ endif;
	911	+ endif;
	912	+ $excerpt = apply_filters('syndicated_item_excerpt', $excerpt, $this);
	913	+
	914	+ if (!is_null($excerpt)):
	915	+ $this->post['post_excerpt'] = $excerpt;
	916	+ endif;
	917	+
	918	+ // This is unnecessary if we use wp_insert_post
	919	+ if (!$this->use_api('wp_insert_post')) :
	920	+ $this->post['post_name'] = sanitize_title($this->post['post_title']);
	921	+ endif;
	922	+
	923	+ $this->post['epoch']['issued'] = apply_filters('syndicated_item_published', $this->published(), $this);
	924	+ $this->post['epoch']['created'] = apply_filters('syndicated_item_created', $this->created(), $this);
	925	+ $this->post['epoch']['modified'] = apply_filters('syndicated_item_updated', $this->updated(), $this);
	926	+
	927	+ // Dealing with timestamps in WordPress is so fucking fucked.
	928	+ $offset = (int) get_option('gmt_offset') * 60 * 60;
	929	+ $this->post['post_date'] = gmdate('Y-m-d H:i:s', $this->published() + $offset);
	930	+ $this->post['post_modified'] = gmdate('Y-m-d H:i:s', $this->updated() + $offset);
	931	+ $this->post['post_date_gmt'] = gmdate('Y-m-d H:i:s', $this->published());
	932	+ $this->post['post_modified_gmt'] = gmdate('Y-m-d H:i:s', $this->updated());
	933	+
	934	+ // Use feed-level preferences or the global default.
	935	+ $this->post['post_status'] = $this->link->syndicated_status('post', 'publish');
	936	+ $this->post['comment_status'] = $this->link->syndicated_status('comment', 'closed');
	937	+ $this->post['ping_status'] = $this->link->syndicated_status('ping', 'closed');
	938	+
	939	+ // Unique ID (hopefully a unique tag: URI); failing that, the permalink
	940	+ $this->post['guid'] = apply_filters('syndicated_item_guid', $this->guid(), $this);
	941	+
	942	+ // RSS 2.0 / Atom 1.0 enclosure support
	943	+ if ( isset($this->item['enclosure#']) ) :
	944	+ for ($i = 1; $i <= $this->item['enclosure#']; $i++) :
	945	+ $eid = (($i > 1) ? "#{$id}" : "");
	946	+ $this->post['meta']['enclosure'][] =
	947	+ apply_filters('syndicated_item_enclosure_url', $this->item["enclosure{$eid}@url"], $this)."\n".
	948	+ apply_filters('syndicated_item_enclosure_length', $this->item["enclosure{$eid}@length"], $this)."\n".
	949	+ apply_filters('syndicated_item_enclosure_type', $this->item["enclosure{$eid}@type"], $this);
	950	+ endfor;
	951	+ endif;
	952	+
	953	+ // In case you want to point back to the blog this was syndicated from
	954	+ if (isset($this->feed->channel['title'])) :
	955	+ $this->post['meta']['syndication_source'] = apply_filters('syndicated_item_source_title', $this->feed->channel['title'], $this);
	956	+ endif;
	957	+ if (isset($this->feed->channel['link'])) :
	958	+ $this->post['meta']['syndication_source_uri'] = apply_filters('syndicated_item_source_link', $this->feed->channel['link'], $this);
	959	+ endif;
	960	+
	961	+ // Store information on human-readable and machine-readable comment URIs
	962	+ if (isset($this->item['comments'])) :
	963	+ $this->post['meta']['rss:comments'] = apply_filters('syndicated_item_comments', $this->item['comments']);
	964	+ endif;
	965	+ if (isset($this->item['wfw']['commentrss'])) :
	966	+ $this->post['meta']['wfw:commentRSS'] = apply_filters('syndicated_item_commentrss', $this->item['wfw']['commentrss']);
	967	+ endif;
	968	+
	969	+ // Store information to identify the feed that this came from
	970	+ $this->post['meta']['syndication_feed'] = $this->feedmeta['link/uri'];
	971	+ $this->post['meta']['syndication_feed_id'] = $this->feedmeta['link/id'];
	972	+
	973	+ // In case you want to know the external permalink...
	974	+ $this->post['meta']['syndication_permalink'] = apply_filters('syndicated_item_link', $this->item['link']);
	975	+
	976	+ // Store a hash of the post content for checking whether something needs to be updated
	977	+ $this->post['meta']['syndication_item_hash'] = $this->update_hash();
	978	+
	979	+ // Feed-by-feed options for author and category creation
	980	+ $this->post['named']['unfamiliar']['author'] = $this->feedmeta['unfamiliar author'];
	981	+ $this->post['named']['unfamiliar']['category'] = $this->feedmeta['unfamiliar category'];
	982	+
	983	+ // Categories: start with default categories, if any
	984	+ $fc = get_option("feedwordpress_syndication_cats");
	985	+ if ($fc) :
	986	+ $this->post['named']['preset/category'] = explode("\n", $fc);
	987	+ else :
	988	+ $this->post['named']['preset/category'] = array();
	989	+ endif;
	990	+
	991	+ if (is_array($this->feedmeta['cats'])) :
	992	+ $this->post['named']['preset/category'] = array_merge($this->post['named']['preset/category'], $this->feedmeta['cats']);
	993	+ endif;
	994	+
	995	+ // Now add categories from the post, if we have 'em
	996	+ $this->post['named']['category'] = array();
	997	+ if ( isset($this->item['category#']) ) :
	998	+ for ($i = 1; $i <= $this->item['category#']; $i++) :
	999	+ $cat_idx = (($i > 1) ? "#{$i}" : "");
	1000	+ $cat = $this->item["category{$cat_idx}"];
	1001	+
	1002	+ if ( isset($this->feedmeta['cat_split']) and strlen($this->feedmeta['cat_split']) > 0) :
	1003	+ $pcre = "\007".$this->feedmeta['cat_split']."\007";
	1004	+ $this->post['named']['category'] = array_merge($this->post['named']['category'], preg_split($pcre, $cat, -1 /=no limit/, PREG_SPLIT_NO_EMPTY));
	1005	+ else :
	1006	+ $this->post['named']['category'][] = $cat;
	1007	+ endif;
	1008	+ endfor;
	1009	+ endif;
	1010	+ $this->post['named']['category'] = apply_filters('syndicated_item_categories', $this->post['named']['category'], $this);
	1011	+
	1012	+ // Tags: start with default tags, if any
	1013	+ $ft = get_option("feedwordpress_syndication_tags");
	1014	+ if ($ft) :
	1015	+ $this->post['tags_input'] = explode('FEEDWORDPRESS_CAT_SEPARATOR', $ft);
	1016	+ else :
	1017	+ $this->post['tags_input'] = array();
	1018	+ endif;
	1019	+
	1020	+ if (is_array($this->feedmeta['tags'])) :
	1021	+ $this->post['tags_input'] = array_merge($this->post['tags_input'], $this->feedmeta['tags']);
	1022	+ endif;
	1023	+
1265	1024	endif;
	1025	+ } // SyndicatedPost::SyndicatedPost()
	1026	+
	1027	+ function filtered () {
	1028	+ return is_null($this->post);
1266	1029	}
1267		-} // class FeedWordPress
1268	1030
1269		-require_once(dirname(__FILE__) . '/syndicatedpost.class.php');
1270		-require_once(dirname(__FILE__) . '/syndicatedlink.class.php');
	1031	+ function freshness () {
	1032	+ global $wpdb;
1271	1033
	1034	+ if ($this->filtered()) : // This should never happen.
	1035	+ FeedWordPress::critical_bug('SyndicatedPost', $this, __LINE__);
	1036	+ endif;
	1037	+
	1038	+ if (is_null($this->_freshness)) :
	1039	+ $guid = $wpdb->escape($this->guid());
	1040	+
	1041	+ $result = $wpdb->get_row("
	1042	+ SELECT id, guid, post_modified_gmt
	1043	+ FROM $wpdb->posts WHERE guid='$guid'
	1044	+ ");
	1045	+
	1046	+ if (!$result) :
	1047	+ $this->_freshness = 2; // New content
	1048	+ else:
	1049	+ $stored_update_hashes = get_post_custom_values('syndication_item_hash', $result->id);
	1050	+ if (count($stored_update_hashes) > 0) :
	1051	+ $stored_update_hash = $stored_update_hashes[0];
	1052	+ $update_hash_changed = ($stored_update_hash != $this->update_hash());
	1053	+ else :
	1054	+ $update_hash_changed = false;
	1055	+ endif;
	1056	+
	1057	+ preg_match('/([0-9]+)-([0-9]+)-([0-9]+) ([0-9]+):([0-9]+):([0-9]+)/', $result->post_modified_gmt, $backref);
	1058	+
	1059	+ $last_rev_ts = gmmktime($backref[4], $backref[5], $backref[6], $backref[2], $backref[3], $backref[1]);
	1060	+ $updated_ts = $this->updated(/fallback=/ true, /default=/ NULL);
	1061	+ $updated = ((
	1062	+ !is_null($updated_ts)
	1063	+ and ($updated_ts > $last_rev_ts)
	1064	+ ) or $update_hash_changed);
	1065	+
	1066	+ if ($updated) :
	1067	+ $this->_freshness = 1; // Updated content
	1068	+ $this->_wp_id = $result->id;
	1069	+ else :
	1070	+ $this->_freshness = 0; // Same old, same old
	1071	+ $this->_wp_id = $result->id;
	1072	+ endif;
	1073	+ endif;
	1074	+ endif;
	1075	+ return $this->_freshness;
	1076	+ }
	1077	+
	1078	+ function wp_id () {
	1079	+ if ($this->filtered()) : // This should never happen.
	1080	+ FeedWordPress::critical_bug('SyndicatedPost', $this, __LINE__);
	1081	+ endif;
	1082	+
	1083	+ if (is_null($this->_wp_id) and is_null($this->_freshness)) :
	1084	+ $fresh = $this->freshness(); // sets WP DB id in the process
	1085	+ endif;
	1086	+ return $this->_wp_id;
	1087	+ }
	1088	+
	1089	+ function store () {
	1090	+ global $wpdb;
	1091	+
	1092	+ if ($this->filtered()) : // This should never happen.
	1093	+ FeedWordPress::critical_bug('SyndicatedPost', $this, __LINE__);
	1094	+ endif;
	1095	+
	1096	+ $freshness = $this->freshness();
	1097	+ if ($freshness > 0) :
	1098	+ # -- Look up, or create, numeric ID for author
	1099	+ $this->post['post_author'] = $this->author_id (
	1100	+ FeedWordPress::on_unfamiliar('author', $this->post['named']['unfamiliar']['author'])
	1101	+ );
	1102	+
	1103	+ if (is_null($this->post['post_author'])) :
	1104	+ $this->post = NULL;
	1105	+ endif;
	1106	+ endif;
	1107	+
	1108	+ if (!$this->filtered() and $freshness > 0) :
	1109	+ # -- Look up, or create, numeric ID for categories
	1110	+ list($pcats, $ptags) = $this->category_ids (
	1111	+ $this->post['named']['category'],
	1112	+ FeedWordPress::on_unfamiliar('category', $this->post['named']['unfamiliar']['category']),
	1113	+ /tags_too=/ true
	1114	+ );
	1115	+
	1116	+ $this->post['post_category'] = $pcats;
	1117	+ $this->post['tags_input'] = array_merge($this->post['tags_input'], $ptags);
	1118	+
	1119	+ if (is_null($this->post['post_category'])) :
	1120	+ // filter mode on, no matching categories; drop the post
	1121	+ $this->post = NULL;
	1122	+ else :
	1123	+ // filter mode off or at least one match; now add on the feed and global presets
	1124	+ $this->post['post_category'] = array_merge (
	1125	+ $this->post['post_category'],
	1126	+ $this->category_ids (
	1127	+ $this->post['named']['preset/category'],
	1128	+ 'default'
	1129	+ )
	1130	+ );
	1131	+
	1132	+ if (count($this->post['post_category']) < 1) :
	1133	+ $this->post['post_category'][] = 1; // Default to category 1 ("Uncategorized" / "General") if nothing else
	1134	+ endif;
	1135	+ endif;
	1136	+ endif;
	1137	+
	1138	+ if (!$this->filtered() and $freshness > 0) :
	1139	+ unset($this->post['named']);
	1140	+ $this->post = apply_filters('syndicated_post', $this->post, $this);
	1141	+ endif;
	1142	+
	1143	+ if (!$this->filtered() and $freshness == 2) :
	1144	+ // The item has not yet been added. So let's add it.
	1145	+ $this->insert_new();
	1146	+ $this->add_rss_meta();
	1147	+ do_action('post_syndicated_item', $this->wp_id());
	1148	+
	1149	+ $ret = 'new';
	1150	+ elseif (!$this->filtered() and $freshness == 1) :
	1151	+ $this->post['ID'] = $this->wp_id();
	1152	+ $this->update_existing();
	1153	+ $this->add_rss_meta();
	1154	+ do_action('update_syndicated_item', $this->wp_id());
	1155	+
	1156	+ $ret = 'updated';
	1157	+ else :
	1158	+ $ret = false;
	1159	+ endif;
	1160	+
	1161	+ return $ret;
	1162	+ } // function SyndicatedPost::store ()
	1163	+
	1164	+ function insert_new () {
	1165	+ global $wpdb, $wp_db_version;
	1166	+
	1167	+ // Why the fuck doesn't wp_insert_post already do this?
	1168	+ foreach ($this->post as $key => $value) :
	1169	+ if (is_string($value)) :
	1170	+ $dbpost[$key] = $wpdb->escape($value);
	1171	+ else :
	1172	+ $dbpost[$key] = $value;
	1173	+ endif;
	1174	+ endforeach;
	1175	+
	1176	+ if (strlen($dbpost['post_title'].$dbpost['post_content'].$dbpost['post_excerpt']) == 0) :
	1177	+ // FIXME: Option for filtering out empty posts
	1178	+ endif;
	1179	+ if (strlen($dbpost['post_title'])==0) :
	1180	+ $dbpost['post_title'] = $this->post['meta']['syndication_source']
	1181	+ .' '.gmdate('Y-m-d H:i:s', $this->published() + $offset);
	1182	+ // FIXME: Option for what to fill a blank title with...
	1183	+ endif;
	1184	+
	1185	+ if ($this->use_api('wp_insert_post')) :
	1186	+ $dbpost['post_pingback'] = false; // Tell WP 2.1 and 2.2 not to process for pingbacks
	1187	+
	1188	+ // This is a ridiculous fucking kludge necessitated by WordPress 2.6 munging authorship meta-data
	1189	+ add_action('_wp_put_post_revision', array($this, 'fix_revision_meta'));
	1190	+
	1191	+ // Kludge to prevent kses filters from stripping the
	1192	+ // content of posts when updating without a logged in
	1193	+ // user who has `unfiltered_html` capability.
	1194	+ add_filter('content_save_pre', array($this, 'avoid_kses_munge'), 11);
	1195	+
	1196	+ $this->_wp_id = wp_insert_post($dbpost);
	1197	+
	1198	+ // Turn off ridiculous fucking kludges #1 and #2
	1199	+ remove_action('_wp_put_post_revision', array($this, 'fix_revision_meta'));
	1200	+ remove_filter('content_save_pre', array($this, 'avoid_kses_munge'), 11);
	1201	+
	1202	+ // This should never happen.
	1203	+ if (!is_numeric($this->_wp_id) or ($this->_wp_id == 0)) :
	1204	+ FeedWordPress::critical_bug('SyndicatedPost (_wp_id problem)', array("dbpost" => $dbpost, "this" => $this), __LINE__);
	1205	+ endif;
	1206	+
	1207	+ // Unfortunately, as of WordPress 2.3, wp_insert_post()
	1208	+ // still offers no way to use a guid of your choice,
	1209	+ // and munges your post modified timestamp, too.
	1210	+ $result = $wpdb->query("
	1211	+ UPDATE $wpdb->posts
	1212	+ SET
	1213	+ guid='{$dbpost['guid']}',
	1214	+ post_modified='{$dbpost['post_modified']}',
	1215	+ post_modified_gmt='{$dbpost['post_modified_gmt']}'
	1216	+ WHERE ID='{$this->_wp_id}'
	1217	+ ");
	1218	+ else :
	1219	+ # The right way to do this is the above. But, alas,
	1220	+ # in earlier versions of WordPress, wp_insert_post has
	1221	+ # too much behavior (mainly related to pings) that can't
	1222	+ # be overridden. In WordPress 1.5, it's enough of a
	1223	+ # resource hog to make PHP segfault after inserting
	1224	+ # 50-100 posts. This can get pretty annoying, especially
	1225	+ # if you are trying to update your feeds for the first
	1226	+ # time.
	1227	+
	1228	+ $result = $wpdb->query("
	1229	+ INSERT INTO $wpdb->posts
	1230	+ SET
	1231	+ guid = '{$dbpost['guid']}',
	1232	+ post_author = '{$dbpost['post_author']}',
	1233	+ post_date = '{$dbpost['post_date']}',
	1234	+ post_date_gmt = '{$dbpost['post_date_gmt']}',
	1235	+ post_content = '{$dbpost['post_content']}',"
	1236	+ .(isset($dbpost['post_excerpt']) ? "post_excerpt = '{$dbpost['post_excerpt']}'," : "")."
	1237	+ post_title = '{$dbpost['post_title']}',
	1238	+ post_name = '{$dbpost['post_name']}',
	1239	+ post_modified = '{$dbpost['post_modified']}',
	1240	+ post_modified_gmt = '{$dbpost['post_modified_gmt']}',
	1241	+ comment_status = '{$dbpost['comment_status']}',
	1242	+ ping_status = '{$dbpost['ping_status']}',
	1243	+ post_status = '{$dbpost['post_status']}'
	1244	+ ");
	1245	+ $this->_wp_id = $wpdb->insert_id;
	1246	+
	1247	+ // This should never happen.
	1248	+ if (!is_numeric($this->_wp_id) or ($this->_wp_id == 0)) :
	1249	+ FeedWordPress::critical_bug('SyndicatedPost (_wp_id problem)', array("dbpost" => $dbpost, "this" => $this), __LINE__);
	1250	+ endif;
	1251	+
	1252	+ // WordPress 1.5.x - 2.0.x
	1253	+ wp_set_post_cats('1', $this->wp_id(), $this->post['post_category']);
	1254	+
	1255	+ // Since we are not going through official channels, we need to
	1256	+ // manually tell WordPress that we've published a new post.
	1257	+ // We need to make sure to do this in order for FeedWordPress
	1258	+ // to play well with the staticize-reloaded plugin (something
	1259	+ // that a large aggregator website is going to want to be
	1260	+ // able to use).
	1261	+ do_action('publish_post', $this->_wp_id);
	1262	+ endif;
	1263	+ } /* SyndicatedPost::insert_new() */
	1264	+
	1265	+ function update_existing () {
	1266	+ global $wpdb;
	1267	+
	1268	+ // Why the fuck doesn't wp_insert_post already do this?
	1269	+ $dbpost = array();
	1270	+ foreach ($this->post as $key => $value) :
	1271	+ if (is_string($value)) :
	1272	+ $dbpost[$key] = $wpdb->escape($value);
	1273	+ else :
	1274	+ $dbpost[$key] = $value;
	1275	+ endif;
	1276	+ endforeach;
	1277	+
	1278	+ if ($this->use_api('wp_insert_post')) :
	1279	+ $dbpost['post_pingback'] = false; // Tell WP 2.1 and 2.2 not to process for pingbacks
	1280	+
	1281	+ // This is a ridiculous fucking kludge necessitated by WordPress 2.6 munging authorship meta-data
	1282	+ add_action('_wp_put_post_revision', array($this, 'fix_revision_meta'));
	1283	+
	1284	+ // Kludge to prevent kses filters from stripping the
	1285	+ // content of posts when updating without a logged in
	1286	+ // user who has `unfiltered_html` capability.
	1287	+ add_filter('content_save_pre', array($this, 'avoid_kses_munge'), 11);
	1288	+
	1289	+ $this->_wp_id = wp_insert_post($dbpost);
	1290	+
	1291	+ // Turn off ridiculous fucking kludges #1 and #2
	1292	+ remove_action('_wp_put_post_revision', array($this, 'fix_revision_meta'));
	1293	+ remove_filter('content_save_pre', array($this, 'avoid_kses_munge'), 11);
	1294	+
	1295	+ // This should never happen.
	1296	+ if (!is_numeric($this->_wp_id) or ($this->_wp_id == 0)) :
	1297	+ FeedWordPress::critical_bug('SyndicatedPost (_wp_id problem)', array("dbpost" => $dbpost, "this" => $this), __LINE__);
	1298	+ endif;
	1299	+
	1300	+ // Unfortunately, as of WordPress 2.3, wp_insert_post()
	1301	+ // munges your post modified timestamp.
	1302	+ $result = $wpdb->query("
	1303	+ UPDATE $wpdb->posts
	1304	+ SET
	1305	+ post_modified='{$dbpost['post_modified']}',
	1306	+ post_modified_gmt='{$dbpost['post_modified_gmt']}'
	1307	+ WHERE ID='{$this->_wp_id}'
	1308	+ ");
	1309	+ else :
	1310	+
	1311	+ $result = $wpdb->query("
	1312	+ UPDATE $wpdb->posts
	1313	+ SET
	1314	+ post_author = '{$dbpost['post_author']}',
	1315	+ post_content = '{$dbpost['post_content']}',"
	1316	+ .(isset($dbpost['post_excerpt']) ? "post_excerpt = '{$dbpost['post_excerpt']}'," : "")."
	1317	+ post_title = '{$dbpost['post_title']}',
	1318	+ post_name = '{$dbpost['post_name']}',
	1319	+ post_modified = '{$dbpost['post_modified']}',
	1320	+ post_modified_gmt = '{$dbpost['post_modified_gmt']}'
	1321	+ WHERE guid='{$dbpost['guid']}'
	1322	+ ");
	1323	+
	1324	+ // WordPress 2.1.x and up
	1325	+ if (function_exists('wp_set_post_categories')) :
	1326	+ wp_set_post_categories($this->wp_id(), $this->post['post_category']);
	1327	+ // WordPress 1.5.x - 2.0.x
	1328	+ elseif (function_exists('wp_set_post_cats')) :
	1329	+ wp_set_post_cats('1', $this->wp_id(), $this->post['post_category']);
	1330	+ // This should never happen.
	1331	+ else :
	1332	+ FeedWordPress::critical_bug('SyndicatedPost (_wp_id problem)', array("dbpost" => $dbpost, "this" => $this), __LINE__);
	1333	+ endif;
	1334	+
	1335	+ // Since we are not going through official channels, we need to
	1336	+ // manually tell WordPress that we've published a new post.
	1337	+ // We need to make sure to do this in order for FeedWordPress
	1338	+ // to play well with the staticize-reloaded plugin (something
	1339	+ // that a large aggregator website is going to want to be
	1340	+ // able to use).
	1341	+ do_action('edit_post', $this->post['ID']);
	1342	+ endif;
	1343	+ } /* SyndicatedPost::update_existing() */
	1344	+
	1345	+ /**
	1346	+ * SyndicatedPost::fix_revision_meta() - Fixes the way WP 2.6+ fucks up
	1347	+ * meta-data (authorship, etc.) when storing revisions of an updated
	1348	+ * syndicated post.
	1349	+ *
	1350	+ * In their infinite wisdom, the WordPress coders have made it completely
	1351	+ * impossible for a plugin that uses wp_insert_post() to set certain
	1352	+ * meta-data (such as the author) when you store an old revision of an
	1353	+ * updated post. Instead, it uses the WordPress defaults (= currently
	1354	+ * active user ID if the process is running with a user logged in, or
	1355	+ * = #0 if there is no user logged in). This results in bogus authorship
	1356	+ * data for revisions that are syndicated from off the feed, unless we
	1357	+ * use a ridiculous kludge like this to end-run the munging of meta-data
	1358	+ * by _wp_put_post_revision.
	1359	+ *
	1360	+ * @param int $revision_id The revision ID to fix up meta-data
	1361	+ */
	1362	+ function fix_revision_meta ($revision_id) {
	1363	+ global $wpdb;
	1364	+
	1365	+ $post_author = (int) $this->post['post_author'];
	1366	+
	1367	+ $revision_id = (int) $revision_id;
	1368	+ $wpdb->query("
	1369	+ UPDATE $wpdb->posts
	1370	+ SET post_author={$this->post['post_author']}
	1371	+ WHERE post_type = 'revision' AND ID='$revision_id'
	1372	+ ");
	1373	+ } /* SyndicatedPost::fix_revision_meta () */
	1374	+
	1375	+ /**
	1376	+ * SyndicatedPost::avoid_kses_munge() -- If FeedWordPress is processing
	1377	+ * an automatic update, that generally means that wp_insert_post() is
	1378	+ * being called under the user credentials of whoever is viewing the
	1379	+ * blog at the time -- usually meaning no user at all. But if WordPress
	1380	+ * gets a wp_insert_post() when current_user_can('unfiltered_html') is
	1381	+ * false, it will run the content of the post through a kses function
	1382	+ * that strips out lots of HTML tags -- notably <object> and some others.
	1383	+ * This causes problems for syndicating (for example) feeds that contain
	1384	+ * YouTube videos. It also produces an unexpected asymmetry between
	1385	+ * automatically-initiated updates and updates initiated manually from
	1386	+ * the WordPress Dashboard (which are usually initiated under the
	1387	+ * credentials of a logged-in admin, and so don't get run through the
	1388	+ * kses function). So, to avoid the whole mess, what we do here is
	1389	+ * just forcibly disable the kses munging for a single syndicated post,
	1390	+ * by restoring the contents of the `post_content` field.
	1391	+ *
	1392	+ * @param string $content The content of the post, after other filters have gotten to it
	1393	+ * @return string The original content of the post, before other filters had a chance to munge it.
	1394	+ */
	1395	+ function avoid_kses_munge ($content) {
	1396	+ global $wpdb;
	1397	+ return $wpdb->escape($this->post['post_content']);
	1398	+ }
	1399	+
	1400	+ // SyndicatedPost::add_rss_meta: adds interesting meta-data to each entry
	1401	+ // using the space for custom keys. The set of keys and values to add is
	1402	+ // specified by the keys and values of $post['meta']. This is used to
	1403	+ // store anything that the WordPress user might want to access from a
	1404	+ // template concerning the post's original source that isn't provided
	1405	+ // for by standard WP meta-data (i.e., any interesting data about the
	1406	+ // syndicated post other than author, title, timestamp, categories, and
	1407	+ // guid). It's also used to hook into WordPress's support for
	1408	+ // enclosures.
	1409	+ function add_rss_meta () {
	1410	+ global $wpdb;
	1411	+ if ( is_array($this->post) and isset($this->post['meta']) and is_array($this->post['meta']) ) :
	1412	+ $postId = $this->wp_id();
	1413	+
	1414	+ // Aggregated posts should NOT send out pingbacks.
	1415	+ // WordPress 2.1-2.2 claim you can tell them not to
	1416	+ // using $post_pingback, but they don't listen, so we
	1417	+ // make sure here.
	1418	+ $result = $wpdb->query("
	1419	+ DELETE FROM $wpdb->postmeta
	1420	+ WHERE post_id='$postId' AND meta_key='_pingme'
	1421	+ ");
	1422	+
	1423	+ foreach ( $this->post['meta'] as $key => $values ) :
	1424	+
	1425	+ $key = $wpdb->escape($key);
	1426	+
	1427	+ // If this is an update, clear out the old
	1428	+ // values to avoid duplication.
	1429	+ $result = $wpdb->query("
	1430	+ DELETE FROM $wpdb->postmeta
	1431	+ WHERE post_id='$postId' AND meta_key='$key'
	1432	+ ");
	1433	+
	1434	+ // Allow for either a single value or an array
	1435	+ if (!is_array($values)) $values = array($values);
	1436	+ foreach ( $values as $value ) :
	1437	+ $value = $wpdb->escape($value);
	1438	+ $result = $wpdb->query("
	1439	+ INSERT INTO $wpdb->postmeta
	1440	+ SET
	1441	+ post_id='$postId',
	1442	+ meta_key='$key',
	1443	+ meta_value='$value'
	1444	+ ");
	1445	+ endforeach;
	1446	+ endforeach;
	1447	+ endif;
	1448	+ } /* SyndicatedPost::add_rss_meta () */
	1449	+
	1450	+ // SyndicatedPost::author_id (): get the ID for an author name from
	1451	+ // the feed. Create the author if necessary.
	1452	+ function author_id ($unfamiliar_author = 'create') {
	1453	+ global $wpdb, $wp_db_version; // test for WordPress 2.0 database schema
	1454	+
	1455	+ $a = $this->author();
	1456	+ $author = $a['name'];
	1457	+ $email = $a['email'];
	1458	+ $url = $a['uri'];
	1459	+
	1460	+ // Never can be too careful...
	1461	+ $login = sanitize_user($author, /strict=/ true);
	1462	+ $login = apply_filters('pre_user_login', $login);
	1463	+
	1464	+ $nice_author = sanitize_title($author);
	1465	+ $nice_author = apply_filters('pre_user_nicename', $nice_author);
	1466	+
	1467	+ $reg_author = $wpdb->escape(preg_quote($author));
	1468	+ $author = $wpdb->escape($author);
	1469	+ $email = $wpdb->escape($email);
	1470	+ $url = $wpdb->escape($url);
	1471	+
	1472	+ // Check for an existing author rule....
	1473	+ if (isset($this->link->settings['map authors']['name'][strtolower(trim($author))])) :
	1474	+ $author_rule = $this->link->settings['map authors']['name'][strtolower(trim($author))];
	1475	+ else :
	1476	+ $author_rule = NULL;
	1477	+ endif;
	1478	+
	1479	+ // User name is mapped to a particular author. If that author ID exists, use it.
	1480	+ if (is_numeric($author_rule) and get_userdata((int) $author_rule)) :
	1481	+ $id = (int) $author_rule;
	1482	+
	1483	+ // User name is filtered out
	1484	+ elseif ('filter' == $author_rule) :
	1485	+ $id = NULL;
	1486	+
	1487	+ else :
	1488	+ // Check the database for an existing author record that might fit
	1489	+
	1490	+ #-- WordPress 1.5.x
	1491	+ if (!isset($wp_db_version)) :
	1492	+ $id = $wpdb->get_var(
	1493	+ "SELECT ID from $wpdb->users
	1494	+ WHERE
	1495	+ TRIM(LCASE(user_login)) = TRIM(LCASE('$login')) OR
	1496	+ (
	1497	+ LENGTH(TRIM(LCASE(user_email))) > 0
	1498	+ AND TRIM(LCASE(user_email)) = TRIM(LCASE('$email'))
	1499	+ ) OR
	1500	+ TRIM(LCASE(user_firstname)) = TRIM(LCASE('$author')) OR
	1501	+ TRIM(LCASE(user_nickname)) = TRIM(LCASE('$author')) OR
	1502	+ TRIM(LCASE(user_nicename)) = TRIM(LCASE('$nice_author')) OR
	1503	+ TRIM(LCASE(user_description)) = TRIM(LCASE('$author')) OR
	1504	+ (
	1505	+ LOWER(user_description)
	1506	+ RLIKE CONCAT(
	1507	+ '(^\|\\n)a\\.?k\\.?a\\.?( \|\\t):?( \|\\t)',
	1508	+ LCASE('$reg_author'),
	1509	+ '( \|\\t\|\\r)*(\\n\|\$)'
	1510	+ )
	1511	+ )
	1512	+ ");
	1513	+
	1514	+ #-- WordPress 2.0+
	1515	+ elseif ($wp_db_version >= 2966) :
	1516	+
	1517	+ // First try the user core data table.
	1518	+ $id = $wpdb->get_var(
	1519	+ "SELECT ID FROM $wpdb->users
	1520	+ WHERE
	1521	+ TRIM(LCASE(user_login)) = TRIM(LCASE('$login'))
	1522	+ OR (
	1523	+ LENGTH(TRIM(LCASE(user_email))) > 0
	1524	+ AND TRIM(LCASE(user_email)) = TRIM(LCASE('$email'))
	1525	+ )
	1526	+ OR TRIM(LCASE(user_nicename)) = TRIM(LCASE('$nice_author'))
	1527	+ ");
	1528	+
	1529	+ // If that fails, look for aliases in the user meta data table
	1530	+ if (is_null($id)) :
	1531	+ $id = $wpdb->get_var(
	1532	+ "SELECT user_id FROM $wpdb->usermeta
	1533	+ WHERE
	1534	+ (meta_key = 'description' AND TRIM(LCASE(meta_value)) = TRIM(LCASE('$author')))
	1535	+ OR (
	1536	+ meta_key = 'description'
	1537	+ AND TRIM(LCASE(meta_value))
	1538	+ RLIKE CONCAT(
	1539	+ '(^\|\\n)a\\.?k\\.?a\\.?( \|\\t):?( \|\\t)',
	1540	+ TRIM(LCASE('$reg_author')),
	1541	+ '( \|\\t\|\\r)*(\\n\|\$)'
	1542	+ )
	1543	+ )
	1544	+ ");
	1545	+ endif;
	1546	+ endif;
	1547	+
	1548	+ // ... if you don't find one, then do what you need to do
	1549	+ if (is_null($id)) :
	1550	+ if ($unfamiliar_author === 'create') :
	1551	+ $userdata = array();
	1552	+
	1553	+ #-- user table data
	1554	+ $userdata['ID'] = NULL; // new user
	1555	+ $userdata['user_login'] = $login;
	1556	+ $userdata['user_nicename'] = $nice_author;
	1557	+ $userdata['user_pass'] = substr(md5(uniqid(microtime())), 0, 6); // just something random to lock it up
	1558	+ $userdata['user_email'] = $email;
	1559	+ $userdata['user_url'] = $url;
	1560	+ $userdata['display_name'] = $author;
	1561	+
	1562	+ $id = wp_insert_user($userdata);
	1563	+ elseif (is_numeric($unfamiliar_author) and get_userdata((int) $unfamiliar_author)) :
	1564	+ $id = (int) $unfamiliar_author;
	1565	+ elseif ($unfamiliar_author === 'default') :
	1566	+ $id = 1;
	1567	+ endif;
	1568	+ endif;
	1569	+ endif;
	1570	+
	1571	+ if ($id) :
	1572	+ $this->link->settings['map authors']['name'][strtolower(trim($author))] = $id;
	1573	+ endif;
	1574	+ return $id;
	1575	+ } // function SyndicatedPost::author_id ()
	1576	+
	1577	+ // look up (and create) category ids from a list of categories
	1578	+ function category_ids ($cats, $unfamiliar_category = 'create', $tags_too = false) {
	1579	+ global $wpdb;
	1580	+
	1581	+ // We need to normalize whitespace because (1) trailing
	1582	+ // whitespace can cause PHP and MySQL not to see eye to eye on
	1583	+ // VARCHAR comparisons for some versions of MySQL (cf.
	1584	+ // <http://dev.mysql.com/doc/mysql/en/char.html>), and (2)
	1585	+ // because I doubt most people want to make a semantic
	1586	+ // distinction between 'Computers' and 'Computers '
	1587	+ $cats = array_map('trim', $cats);
	1588	+
	1589	+ $tags = array();
	1590	+
	1591	+ $cat_ids = array ();
	1592	+ foreach ($cats as $cat_name) :
	1593	+ if (preg_match('/^{#([0-9]+)}$/', $cat_name, $backref)) :
	1594	+ $cat_id = (int) $backref[1];
	1595	+ if (function_exists('is_term') and is_term($cat_id, 'category')) :
	1596	+ $cat_ids[] = $cat_id;
	1597	+ elseif (get_category($cat_id)) :
	1598	+ $cat_ids[] = $cat_id;
	1599	+ endif;
	1600	+ else :
	1601	+ $esc = $wpdb->escape($cat_name);
	1602	+ $resc = $wpdb->escape(preg_quote($cat_name));
	1603	+
	1604	+ // WordPress 2.3+
	1605	+ if (function_exists('is_term')) :
	1606	+ $cat_id = is_term($cat_name, 'category');
	1607	+ if ($cat_id) :
	1608	+ $cat_ids[] = $cat_id['term_id'];
	1609	+ // There must be a better way to do this...
	1610	+ elseif ($results = $wpdb->get_results(
	1611	+ "SELECT term_id
	1612	+ FROM $wpdb->term_taxonomy
	1613	+ WHERE
	1614	+ LOWER(description) RLIKE
	1615	+ CONCAT('(^\|\\n)a\\.?k\\.?a\\.?( \|\\t):?( \|\\t)', LOWER('{$resc}'), '( \|\\t\|\\r)*(\\n\|\$)')"
	1616	+ )) :
	1617	+ foreach ($results AS $term) :
	1618	+ $cat_ids[] = (int) $term->term_id;
	1619	+ endforeach;
	1620	+ elseif ('tag'==$unfamiliar_category) :
	1621	+ $tags[] = $cat_name;
	1622	+ elseif ('create'===$unfamiliar_category) :
	1623	+ $term = wp_insert_term($cat_name, 'category');
	1624	+ $cat_ids[] = $term['term_id'];
	1625	+ endif;
	1626	+
	1627	+ // WordPress 1.5.x - 2.2.x
	1628	+ else :
	1629	+ $results = $wpdb->get_results(
	1630	+ "SELECT cat_ID
	1631	+ FROM $wpdb->categories
	1632	+ WHERE
	1633	+ (LOWER(cat_name) = LOWER('$esc'))
	1634	+ OR (LOWER(category_description)
	1635	+ RLIKE CONCAT('(^\|\\n)a\\.?k\\.?a\\.?( \|\\t):?( \|\\t)', LOWER('{$resc}'), '( \|\\t\|\\r)*(\\n\|\$)'))
	1636	+ ");
	1637	+ if ($results) :
	1638	+ foreach ($results as $term) :
	1639	+ $cat_ids[] = (int) $term->cat_ID;
	1640	+ endforeach;
	1641	+ elseif ('create'===$unfamiliar_category) :
	1642	+ if (function_exists('wp_insert_category')) :
	1643	+ $cat_id = wp_insert_category(array('cat_name' => $cat_name));
	1644	+ // And into the database we go.
	1645	+ else :
	1646	+ $nice_kitty = sanitize_title($cat_name);
	1647	+ $wpdb->query(sprintf("
	1648	+ INSERT INTO $wpdb->categories
	1649	+ SET
	1650	+ cat_name='%s',
	1651	+ category_nicename='%s'
	1652	+ ", $wpdb->escape($cat_name), $nice_kitty
	1653	+ ));
	1654	+ $cat_id = $wpdb->insert_id;
	1655	+ endif;
	1656	+ $cat_ids[] = $cat_id;
	1657	+ endif;
	1658	+ endif;
	1659	+ endif;
	1660	+ endforeach;
	1661	+
	1662	+ if ((count($cat_ids) == 0) and ($unfamiliar_category === 'filter')) :
	1663	+ $cat_ids = NULL; // Drop the post
	1664	+ else :
	1665	+ $cat_ids = array_unique($cat_ids);
	1666	+ endif;
	1667	+
	1668	+ if ($tags_too) : $ret = array($cat_ids, $tags);
	1669	+ else : $ret = $cat_ids;
	1670	+ endif;
	1671	+
	1672	+ return $ret;
	1673	+ } // function SyndicatedPost::category_ids ()
	1674	+
	1675	+ function use_api ($tag) {
	1676	+ global $wp_db_version;
	1677	+ switch ($tag) :
	1678	+ case 'wp_insert_post':
	1679	+ // Before 2.2, wp_insert_post does too much of the wrong stuff to use it
	1680	+ // In 1.5 it was such a resource hog it would make PHP segfault on big updates
	1681	+ $ret = (isset($wp_db_version) and $wp_db_version > FWP_SCHEMA_21);
	1682	+ break;
	1683	+ case 'post_status_pending':
	1684	+ $ret = (isset($wp_db_version) and $wp_db_version > FWP_SCHEMA_23);
	1685	+ break;
	1686	+ endswitch;
	1687	+ return $ret;
	1688	+ } // function SyndicatedPost::use_api ()
	1689	+
	1690	+ #### EXTRACT DATA FROM FEED ITEM ####
	1691	+
	1692	+ function created () {
	1693	+ $epoch = null;
	1694	+ if (isset($this->item['dc']['created'])) :
	1695	+ $epoch = @parse_w3cdtf($this->item['dc']['created']);
	1696	+ elseif (isset($this->item['dcterms']['created'])) :
	1697	+ $epoch = @parse_w3cdtf($this->item['dcterms']['created']);
	1698	+ elseif (isset($this->item['created'])): // Atom 0.3
	1699	+ $epoch = @parse_w3cdtf($this->item['created']);
	1700	+ endif;
	1701	+ return $epoch;
	1702	+ }
	1703	+ function published ($fallback = true) {
	1704	+ $epoch = null;
	1705	+
	1706	+ # RSS is a fucking mess. Figure out whether we have a date in
	1707	+ # <dc:date>, <issued>, <pubDate>, etc., and get it into Unix
	1708	+ # epoch format for reformatting. If we can't find anything,
	1709	+ # we'll use the last-updated time.
	1710	+ if (isset($this->item['dc']['date'])): // Dublin Core
	1711	+ $epoch = @parse_w3cdtf($this->item['dc']['date']);
	1712	+ elseif (isset($this->item['dcterms']['issued'])) : // Dublin Core extensions
	1713	+ $epoch = @parse_w3cdtf($this->item['dcterms']['issued']);
	1714	+ elseif (isset($this->item['published'])) : // Atom 1.0
	1715	+ $epoch = @parse_w3cdtf($this->item['published']);
	1716	+ elseif (isset($this->item['issued'])): // Atom 0.3
	1717	+ $epoch = @parse_w3cdtf($this->item['issued']);
	1718	+ elseif (isset($this->item['pubdate'])): // RSS 2.0
	1719	+ $epoch = strtotime($this->item['pubdate']);
	1720	+ elseif ($fallback) : // Fall back to <updated> / <modified> if present
	1721	+ $epoch = $this->updated(/fallback=/ false);
	1722	+ endif;
	1723	+
	1724	+ # If everything failed, then default to the current time.
	1725	+ if (is_null($epoch)) :
	1726	+ if (-1 == $default) :
	1727	+ $epoch = time();
	1728	+ else :
	1729	+ $epoch = $default;
	1730	+ endif;
	1731	+ endif;
	1732	+
	1733	+ return $epoch;
	1734	+ }
	1735	+ function updated ($fallback = true, $default = -1) {
	1736	+ $epoch = null;
	1737	+
	1738	+ # As far as I know, only dcterms and Atom have reliable ways to
	1739	+ # specify when something was modified last. If neither is
	1740	+ # available, then we'll try to get the time of publication.
	1741	+ if (isset($this->item['dc']['modified'])) : // Not really correct
	1742	+ $epoch = @parse_w3cdtf($this->item['dc']['modified']);
	1743	+ elseif (isset($this->item['dcterms']['modified'])) : // Dublin Core extensions
	1744	+ $epoch = @parse_w3cdtf($this->item['dcterms']['modified']);
	1745	+ elseif (isset($this->item['modified'])): // Atom 0.3
	1746	+ $epoch = @parse_w3cdtf($this->item['modified']);
	1747	+ elseif (isset($this->item['updated'])): // Atom 1.0
	1748	+ $epoch = @parse_w3cdtf($this->item['updated']);
	1749	+ elseif ($fallback) : // Fall back to issued / dc:date
	1750	+ $epoch = $this->published(/fallback=/ false, /default=/ $default);
	1751	+ endif;
	1752	+
	1753	+ # If everything failed, then default to the current time.
	1754	+ if (is_null($epoch)) :
	1755	+ if (-1 == $default) :
	1756	+ $epoch = time();
	1757	+ else :
	1758	+ $epoch = $default;
	1759	+ endif;
	1760	+ endif;
	1761	+
	1762	+ return $epoch;
	1763	+ }
	1764	+
	1765	+ function update_hash () {
	1766	+ return md5(serialize($this->item));
	1767	+ }
	1768	+
	1769	+ function guid () {
	1770	+ $guid = null;
	1771	+ if (isset($this->item['id'])): // Atom 0.3 / 1.0
	1772	+ $guid = $this->item['id'];
	1773	+ elseif (isset($this->item['atom']['id'])) : // Namespaced Atom
	1774	+ $guid = $this->item['atom']['id'];
	1775	+ elseif (isset($this->item['guid'])) : // RSS 2.0
	1776	+ $guid = $this->item['guid'];
	1777	+ elseif (isset($this->item['dc']['identifier'])) :// yeah, right
	1778	+ $guid = $this->item['dc']['identifier'];
	1779	+ else :
	1780	+ // The feed does not seem to have provided us with a
	1781	+ // unique identifier, so we'll have to cobble together
	1782	+ // a tag: URI that might work for us. The base of the
	1783	+ // URI will be the host name of the feed source ...
	1784	+ $bits = parse_url($this->feedmeta['link/uri']);
	1785	+ $guid = 'tag:'.$bits['host'];
	1786	+
	1787	+ // If we have a date of creation, then we can use that
	1788	+ // to uniquely identify the item. (On the other hand, if
	1789	+ // the feed producer was consicentious enough to
	1790	+ // generate dates of creation, she probably also was
	1791	+ // conscientious enough to generate unique identifiers.)
	1792	+ if (!is_null($this->created())) :
	1793	+ $guid .= '://post.'.date('YmdHis', $this->created());
	1794	+
	1795	+ // Otherwise, use both the URI of the item, and the
	1796	+ // item's title. We have to use both because titles are
	1797	+ // often not unique, and sometimes links aren't unique
	1798	+ // either (e.g. Bitch (S)HITLIST, Mozilla Dot Org news,
	1799	+ // some podcasts). But it's rare to have both the same
	1800	+ // title and the same link for two different items. So
	1801	+ // this is about the best we can do.
	1802	+ else :
	1803	+ $guid .= '://'.md5($this->item['link'].'/'.$this->item['title']);
	1804	+ endif;
	1805	+ endif;
	1806	+ return $guid;
	1807	+ }
	1808	+
	1809	+ function author () {
	1810	+ $author = array ();
	1811	+
	1812	+ if (isset($this->item['author_name'])):
	1813	+ $author['name'] = $this->item['author_name'];
	1814	+ elseif (isset($this->item['dc']['creator'])):
	1815	+ $author['name'] = $this->item['dc']['creator'];
	1816	+ elseif (isset($this->item['dc']['contributor'])):
	1817	+ $author['name'] = $this->item['dc']['contributor'];
	1818	+ elseif (isset($this->feed->channel['dc']['creator'])) :
	1819	+ $author['name'] = $this->feed->channel['dc']['creator'];
	1820	+ elseif (isset($this->feed->channel['dc']['contributor'])) :
	1821	+ $author['name'] = $this->feed->channel['dc']['contributor'];
	1822	+ elseif (isset($this->feed->channel['author_name'])) :
	1823	+ $author['name'] = $this->feed->channel['author_name'];
	1824	+ elseif ($this->feed->is_rss() and isset($this->item['author'])) :
	1825	+ // The author element in RSS is allegedly an
	1826	+ // e-mail address, but lots of people don't use
	1827	+ // it that way. So let's make of it what we can.
	1828	+ $author = parse_email_with_realname($this->item['author']);
	1829	+
	1830	+ if (!isset($author['name'])) :
	1831	+ if (isset($author['email'])) :
	1832	+ $author['name'] = $author['email'];
	1833	+ else :
	1834	+ $author['name'] = $this->feed->channel['title'];
	1835	+ endif;
	1836	+ endif;
	1837	+ else :
	1838	+ $author['name'] = $this->feed->channel['title'];
	1839	+ endif;
	1840	+
	1841	+ if (isset($this->item['author_email'])):
	1842	+ $author['email'] = $this->item['author_email'];
	1843	+ elseif (isset($this->feed->channel['author_email'])) :
	1844	+ $author['email'] = $this->feed->channel['author_email'];
	1845	+ endif;
	1846	+
	1847	+ if (isset($this->item['author_url'])):
	1848	+ $author['uri'] = $this->item['author_url'];
	1849	+ elseif (isset($this->feed->channel['author_url'])) :
	1850	+ $author['uri'] = $this->item['author_url'];
	1851	+ else:
	1852	+ $author['uri'] = $this->feed->channel['link'];
	1853	+ endif;
	1854	+
	1855	+ return $author;
	1856	+ } // SyndicatedPost::author()
	1857	+
	1858	+ var $strip_attrs = array (
	1859	+ array('[a-z]+', 'style'),
	1860	+ array('[a-z]+', 'target'),
	1861	+ );
	1862	+ function sanitize_content ($content, $obj) {
	1863	+ # FeedWordPress used to resolve URIs relative to the
	1864	+ # feed URI. It now relies on the xml:base support
	1865	+ # baked in to the MagpieRSS upgrade. So all we do here
	1866	+ # now is to sanitize problematic attributes.
	1867	+ #
	1868	+ # This kind of sucks. I intend to replace it with
	1869	+ # lib_filter sometime soon.
	1870	+ foreach ($obj->strip_attrs as $pair):
	1871	+ list($tag,$attr) = $pair;
	1872	+ $content = preg_replace (
	1873	+ ":(<$tag [^>])($attr=(\"[^\">]\"\|[^>\\s]+))([^>]*>):i",
	1874	+ "\\1\\4",
	1875	+ $content
	1876	+ );
	1877	+ endforeach;
	1878	+ return $content;
	1879	+ }
	1880	+} // class SyndicatedPost
	1881	+
	1882	+# class SyndicatedLink: represents a syndication feed stored within the
	1883	+# WordPress database
	1884	+#
	1885	+# To keep things compact and editable from within WordPress, we use all the
	1886	+# links under a particular category in the WordPress "Blogroll" for the list of
	1887	+# feeds to syndicate. "Contributors" is the category used by default; you can
	1888	+# configure that under Options --> Syndication.
	1889	+#
	1890	+# Fields used are:
	1891	+#
	1892	+# * link_rss: the URI of the Atom/RSS feed to syndicate
	1893	+#
	1894	+# * link_notes: user-configurable options, with keys and values
	1895	+# like so:
	1896	+#
	1897	+# key: value
	1898	+# cats: computers\nweb
	1899	+# feed/key: value
	1900	+#
	1901	+# Keys that start with "feed/" are gleaned from the data supplied
	1902	+# by the feed itself, and will be overwritten with each update.
	1903	+#
	1904	+# Values have linebreak characters escaped with C-style
	1905	+# backslashes (so, for example, a newline becomes "\n").
	1906	+#
	1907	+# The value of `cats` is used as a newline-separated list of
	1908	+# default categories for any post coming from a particular feed.
	1909	+# (In the example above, any posts from this feed will be placed
	1910	+# in the "computers" and "web" categories--in addition to any
	1911	+# categories that may already be applied to the posts.)
	1912	+#
	1913	+# Values of keys in link_notes are accessible from templates using
	1914	+# the function `get_feed_meta($key)` if this plugin is activated.
	1915	+
	1916	+class SyndicatedLink {
	1917	+ var $id = null;
	1918	+ var $link = null;
	1919	+ var $settings = array ();
	1920	+ var $magpie = null;
	1921	+
	1922	+ function SyndicatedLink ($link) {
	1923	+ global $wpdb;
	1924	+
	1925	+ if (is_object($link)) :
	1926	+ $this->link = $link;
	1927	+ $this->id = $link->link_id;
	1928	+ else :
	1929	+ $this->id = $link;
	1930	+ if (function_exists('get_bookmark')) : // WP 2.1+
	1931	+ $this->link = get_bookmark($link);
	1932	+ else :
	1933	+ $this->link = $wpdb->get_row("
	1934	+ SELECT * FROM $wpdb->links
	1935	+ WHERE (link_id = '".$wpdb->escape($link)."')"
	1936	+ );
	1937	+ endif;
	1938	+ endif;
	1939	+
	1940	+ if (strlen($this->link->link_rss) > 0) :
	1941	+ // Read off feed settings from link_notes
	1942	+ $notes = explode("\n", $this->link->link_notes);
	1943	+ foreach ($notes as $note):
	1944	+ list($key, $value) = explode(": ", $note, 2);
	1945	+
	1946	+ if (strlen($key) > 0) :
	1947	+ // Unescape and trim() off the whitespace.
	1948	+ // Thanks to Ray Lischner for pointing out the
	1949	+ // need to trim off whitespace.
	1950	+ $this->settings[$key] = stripcslashes (trim($value));
	1951	+ endif;
	1952	+ endforeach;
	1953	+
	1954	+ // "Magic" feed settings
	1955	+ $this->settings['link/uri'] = $this->link->link_rss;
	1956	+ $this->settings['link/name'] = $this->link->link_name;
	1957	+ $this->settings['link/id'] = $this->link->link_id;
	1958	+
	1959	+ // `hardcode categories` and `unfamiliar categories` are deprecated in favor of `unfamiliar category`
	1960	+ if (
	1961	+ isset($this->settings['unfamiliar categories'])
	1962	+ and !isset($this->settings['unfamiliar category'])
	1963	+ ) :
	1964	+ $this->settings['unfamiliar category'] = $this->settings['unfamiliar categories'];
	1965	+ endif;
	1966	+ if (
	1967	+ FeedWordPress::affirmative($this->settings, 'hardcode categories')
	1968	+ and !isset($this->settings['unfamiliar category'])
	1969	+ ) :
	1970	+ $this->settings['unfamiliar category'] = 'default';
	1971	+ endif;
	1972	+
	1973	+ // Set this up automagically for del.icio.us
	1974	+ $bits = parse_url($this->link->link_rss);
	1975	+ $tagspacers = array('del.icio.us', 'feeds.delicious.com');
	1976	+ if (!isset($this->settings['cat_split']) and in_array($bits['host'], $tagspacers)) :
	1977	+ $this->settings['cat_split'] = '\s'; // Whitespace separates multiple tags in del.icio.us RSS feeds
	1978	+ endif;
	1979	+
	1980	+ if (isset($this->settings['cats'])):
	1981	+ $this->settings['cats'] = preg_split(FEEDWORDPRESS_CAT_SEPARATOR_PATTERN, $this->settings['cats']);
	1982	+ endif;
	1983	+ if (isset($this->settings['tags'])):
	1984	+ $this->settings['tags'] = preg_split(FEEDWORDPRESS_CAT_SEPARATOR_PATTERN, $this->settings['tags']);
	1985	+ endif;
	1986	+
	1987	+ if (isset($this->settings['map authors'])) :
	1988	+ $author_rules = explode("\n\n", $this->settings['map authors']);
	1989	+ $ma = array();
	1990	+ foreach ($author_rules as $rule) :
	1991	+ list($rule_type, $author_name, $author_action) = explode("\n", $rule);
	1992	+
	1993	+ // Normalize for case and whitespace
	1994	+ $rule_type = strtolower(trim($rule_type));
	1995	+ $author_name = strtolower(trim($author_name));
	1996	+ $author_action = strtolower(trim($author_action));
	1997	+
	1998	+ $ma[$rule_type][$author_name] = $author_action;
	1999	+ endforeach;
	2000	+ $this->settings['map authors'] = $ma;
	2001	+ endif;
	2002	+ endif;
	2003	+ } // SyndicatedLink::SyndicatedLink ()
	2004	+
	2005	+ function found () {
	2006	+ return is_object($this->link);
	2007	+ }
	2008	+
	2009	+ function stale () {
	2010	+ $stale = true;
	2011	+ if (isset($this->settings['update/hold']) and ($this->settings['update/hold']=='ping')) :
	2012	+ $stale = false; // don't update on any timed updates; pings only
	2013	+ elseif (isset($this->settings['update/hold']) and ($this->settings['update/hold']=='next')) :
	2014	+ $stale = true; // update on the next timed update
	2015	+ elseif (!isset($this->settings['update/ttl']) or !isset($this->settings['update/last'])) :
	2016	+ $stale = true; // initial update
	2017	+ else :
	2018	+ $after = ((int) $this->settings['update/last'])
	2019	+ +((int) $this->settings['update/ttl'] * 60);
	2020	+ $stale = (time() >= $after);
	2021	+ endif;
	2022	+ return $stale;
	2023	+ }
	2024	+
	2025	+ function poll () {
	2026	+ global $wpdb;
	2027	+
	2028	+ $this->magpie = fetch_rss($this->link->link_rss);
	2029	+ $new_count = NULL;
	2030	+
	2031	+ if (is_object($this->magpie)) :
	2032	+ $new_count = array('new' => 0, 'updated' => 0);
	2033	+
	2034	+ # -- Update Link metadata live from feed
	2035	+ $channel = $this->magpie->channel;
	2036	+
	2037	+ if (!isset($channel['id'])) :
	2038	+ $channel['id'] = $this->link->link_rss;
	2039	+ endif;
	2040	+
	2041	+ $update = array();
	2042	+ if (!$this->hardcode('url') and isset($channel['link'])) :
	2043	+ $update[] = "link_url = '".$wpdb->escape($channel['link'])."'";
	2044	+ endif;
	2045	+
	2046	+ if (!$this->hardcode('name') and isset($channel['title'])) :
	2047	+ $update[] = "link_name = '".$wpdb->escape($channel['title'])."'";
	2048	+ endif;
	2049	+
	2050	+ if (!$this->hardcode('description')) :
	2051	+ if (isset($channel['tagline'])) :
	2052	+ $update[] = "link_description = '".$wpdb->escape($channel['tagline'])."'";
	2053	+ elseif (isset($channel['description'])) :
	2054	+ $update[] = "link_description = '".$wpdb->escape($channel['description'])."'";
	2055	+ endif;
	2056	+ endif;
	2057	+
	2058	+ $this->settings = array_merge($this->settings, $this->flatten_array($channel));
	2059	+
	2060	+ $this->settings['update/last'] = time(); $ttl = $this->ttl();
	2061	+ if (!is_null($ttl)) :
	2062	+ $this->settings['update/ttl'] = $ttl;
	2063	+ $this->settings['update/timed'] = 'feed';
	2064	+ else :
	2065	+ $this->settings['update/ttl'] = rand(30, 120); // spread over time interval for staggered updates
	2066	+ $this->settings['update/timed'] = 'automatically';
	2067	+ endif;
	2068	+
	2069	+ if (!isset($this->settings['update/hold']) or $this->settings['update/hold']!='ping') :
	2070	+ $this->settings['update/hold'] = 'scheduled';
	2071	+ endif;
	2072	+
	2073	+ // Copy back without a few things that we don't want to save in the notes
	2074	+ $to_notes = $this->settings;
	2075	+
	2076	+ if (is_array($to_notes['cats'])) :
	2077	+ $to_notes['cats'] = implode(FEEDWORDPRESS_CAT_SEPARATOR, $to_notes['cats']);
	2078	+ endif;
	2079	+ if (is_array($to_notes['tags'])) :
	2080	+ $to_notes['tags'] = implode(FEEDWORDPRESS_CAT_SEPARATOR, $to_notes['tags']);
	2081	+ endif;
	2082	+
	2083	+ if (isset($to_notes['map authors'])) :
	2084	+ $ma = array();
	2085	+ foreach ($to_notes['map authors'] as $rule_type => $author_rules) :
	2086	+ foreach ($author_rules as $author_name => $author_action) :
	2087	+ $ma[] = $rule_type."\n".$author_name."\n".$author_action;
	2088	+ endforeach;
	2089	+ endforeach;
	2090	+ $to_notes['map authors'] = implode("\n\n", $ma);
	2091	+ endif;
	2092	+
	2093	+ unset($to_notes['link/id']); unset($to_notes['link/uri']);
	2094	+ unset($to_notes['link/name']);
	2095	+ unset($to_notes['hardcode categories']); // Deprecated
	2096	+ unset($to_notes['unfamiliar categories']); // Deprecated
	2097	+
	2098	+ $notes = '';
	2099	+ foreach ($to_notes as $key => $value) :
	2100	+ $notes .= $key . ": ". addcslashes($value, "\0..\37".'\\') . "\n";
	2101	+ endforeach;
	2102	+ $update[] = "link_notes = '".$wpdb->escape($notes)."'";
	2103	+
	2104	+ $update_set = implode(',', $update);
	2105	+
	2106	+ // Update the properties of the link from the feed information
	2107	+ $result = $wpdb->query("
	2108	+ UPDATE $wpdb->links
	2109	+ SET $update_set
	2110	+ WHERE link_id='$this->id'
	2111	+ ");
	2112	+
	2113	+ # -- Add new posts from feed and update any updated posts
	2114	+ if (is_array($this->magpie->items)) :
	2115	+ foreach ($this->magpie->items as $item) :
	2116	+ $post =& new SyndicatedPost($item, $this);
	2117	+ if (!$post->filtered()) :
	2118	+ $new = $post->store();
	2119	+ if ( $new !== false ) $new_count[$new]++;
	2120	+ endif;
	2121	+ endforeach;
	2122	+ endif;
	2123	+
	2124	+ // Copy back any changes to feed settings made in the course of updating (e.g. new author rules)
	2125	+ $to_notes = $this->settings;
	2126	+
	2127	+ if (is_array($to_notes['cats'])) :
	2128	+ $to_notes['cats'] = implode(FEEDWORDPRESS_CAT_SEPARATOR, $to_notes['cats']);
	2129	+ endif;
	2130	+ if (is_array($to_notes['tags'])) :
	2131	+ $to_notes['tags'] = implode(FEEDWORDPRESS_CAT_SEPARATOR, $to_notes['tags']);
	2132	+ endif;
	2133	+
	2134	+ if (isset($to_notes['map authors'])) :
	2135	+ $ma = array();
	2136	+ foreach ($to_notes['map authors'] as $rule_type => $author_rules) :
	2137	+ foreach ($author_rules as $author_name => $author_action) :
	2138	+ $ma[] = $rule_type."\n".$author_name."\n".$author_action;
	2139	+ endforeach;
	2140	+ endforeach;
	2141	+ $to_notes['map authors'] = implode("\n\n", $ma);
	2142	+ endif;
	2143	+
	2144	+ unset($to_notes['link/id']); unset($to_notes['link/uri']);
	2145	+ unset($to_notes['link/name']);
	2146	+ unset($to_notes['hardcode categories']); // Deprecated
	2147	+ unset($to_notes['unfamiliar categories']); // Deprecated
	2148	+
	2149	+ $notes = '';
	2150	+ foreach ($to_notes as $key => $value) :
	2151	+ $notes .= $key . ": ". addcslashes($value, "\0..\37".'\\') . "\n";
	2152	+ endforeach;
	2153	+
	2154	+ $update_set = "link_notes = '".$wpdb->escape($notes)."'";
	2155	+
	2156	+ // Update the properties of the link from the feed information
	2157	+ $result = $wpdb->query("
	2158	+ UPDATE $wpdb->links
	2159	+ SET $update_set
	2160	+ WHERE link_id='$this->id'
	2161	+ ");
	2162	+ endif;
	2163	+ return $new_count;
	2164	+ } /* SyndicatedLink::poll() */
	2165	+
	2166	+ function uri () {
	2167	+ return (is_object($this->link) ? $this->link->link_rss : NULL);
	2168	+ }
	2169	+ function homepage () {
	2170	+ return (isset($this->settings['feed/link']) ? $this->settings['feed/link'] : NULL);
	2171	+ }
	2172	+
	2173	+ function ttl () {
	2174	+ if (is_object($this->magpie)) :
	2175	+ $channel = $this->magpie->channel;
	2176	+ else :
	2177	+ $channel = array();
	2178	+ endif;
	2179	+
	2180	+ if (isset($channel['ttl'])) :
	2181	+ // "ttl stands for time to live. It's a number of
	2182	+ // minutes that indicates how long a channel can be
	2183	+ // cached before refreshing from the source."
	2184	+ // <http://blogs.law.harvard.edu/tech/rss#ltttlgtSubelementOfLtchannelgt>
	2185	+ $ret = $channel['ttl'];
	2186	+ elseif (isset($channel['sy']['updatefrequency']) or isset($channel['sy']['updateperiod'])) :
	2187	+ $period_minutes = array (
	2188	+ 'hourly' => 60, /* minutes in an hour */
	2189	+ 'daily' => 1440, /* minutes in a day */
	2190	+ 'weekly' => 10080, /* minutes in a week */
	2191	+ 'monthly' => 43200, /* minutes in a month */
	2192	+ 'yearly' => 525600, /* minutes in a year */
	2193	+ );
	2194	+
	2195	+ // "sy:updatePeriod: Describes the period over which the
	2196	+ // channel format is updated. Acceptable values are:
	2197	+ // hourly, daily, weekly, monthly, yearly. If omitted,
	2198	+ // daily is assumed." <http://web.resource.org/rss/1.0/modules/syndication/>
	2199	+ if (isset($channel['sy']['updateperiod'])) : $period = $channel['sy']['updateperiod'];
	2200	+ else : $period = 'daily';
	2201	+ endif;
	2202	+
	2203	+ // "sy:updateFrequency: Used to describe the frequency
	2204	+ // of updates in relation to the update period. A
	2205	+ // positive integer indicates how many times in that
	2206	+ // period the channel is updated. ... If omitted a value
	2207	+ // of 1 is assumed." <http://web.resource.org/rss/1.0/modules/syndication/>
	2208	+ if (isset($channel['sy']['updatefrequency'])) : $freq = (int) $channel['sy']['updatefrequency'];
	2209	+ else : $freq = 1;
	2210	+ endif;
	2211	+
	2212	+ $ret = (int) ($period_minutes[$period] / $freq);
	2213	+ else :
	2214	+ $ret = NULL;
	2215	+ endif;
	2216	+ return $ret;
	2217	+ } /* SyndicatedLink::ttl() */
	2218	+
	2219	+ // SyndicatedLink::flatten_array (): flatten an array. Useful for
	2220	+ // hierarchical and namespaced elements.
	2221	+ //
	2222	+ // Given an array which may contain array or object elements in it,
	2223	+ // return a "flattened" array: a one-dimensional array of scalars
	2224	+ // containing each of the scalar elements contained within the array
	2225	+ // structure. Thus, for example, if $a['b']['c']['d'] == 'e', then the
	2226	+ // returned array for FeedWordPress::flatten_array($a) will contain a key
	2227	+ // $a['feed/b/c/d'] with value 'e'.
	2228	+ function flatten_array ($arr, $prefix = 'feed/', $separator = '/') {
	2229	+ $ret = array ();
	2230	+ if (is_array($arr)) :
	2231	+ foreach ($arr as $key => $value) :
	2232	+ if (is_scalar($value)) :
	2233	+ $ret[$prefix.$key] = $value;
	2234	+ else :
	2235	+ $ret = array_merge($ret, $this->flatten_array($value, $prefix.$key.$separator, $separator));
	2236	+ endif;
	2237	+ endforeach;
	2238	+ endif;
	2239	+ return $ret;
	2240	+ } // function SyndicatedLink::flatten_array ()
	2241	+
	2242	+ function hardcode ($what) {
	2243	+ $default = get_option("feedwordpress_hardcode_$what");
	2244	+ if ( $default === 'yes' ) :
	2245	+ // If the default is to hardcode, then we want the
	2246	+ // negation of negative(): TRUE by default and FALSE if
	2247	+ // the setting is explicitly "no"
	2248	+ $ret = !FeedWordPress::negative($this->settings, "hardcode $what");
	2249	+ else :
	2250	+ // If the default is NOT to hardcode, then we want
	2251	+ // affirmative(): FALSE by default and TRUE if the
	2252	+ // setting is explicitly "yes"
	2253	+ $ret = FeedWordPress::affirmative($this->settings, "hardcode $what");
	2254	+ endif;
	2255	+ return $ret;
	2256	+ } // function SyndicatedLink::hardcode ()
	2257	+
	2258	+ function syndicated_status ($what, $default) {
	2259	+ global $wpdb;
	2260	+
	2261	+ $ret = get_option("feedwordpress_syndicated_{$what}_status");
	2262	+ if ( isset($this->settings["$what status"]) ) :
	2263	+ $ret = $this->settings["$what status"];
	2264	+ elseif (!$ret) :
	2265	+ $ret = $default;
	2266	+ endif;
	2267	+ return $wpdb->escape(trim(strtolower($ret)));
	2268	+ } // function SyndicatedLink:syndicated_status ()
	2269	+} // class SyndicatedLink
	2270	+
1272	2271	################################################################################
1273	2272	## XML-RPC HOOKS: accept XML-RPC update pings from Contributors ################
1274	2273	################################################################################
1275	2274
		@@ -1291,12 +2290,345 @@
1291	2290	return array('flerror' => false, 'message' => "Thanks for the ping.".implode(' and', $mesg));
1292	2291	endif;
1293	2292	}
1294	2293
	2294	+################################################################################
	2295	+## class FeedFinder: find likely feeds using autodetection and/or guesswork ####
	2296	+################################################################################
	2297	+
	2298	+class FeedFinder {
	2299	+ var $uri = NULL;
	2300	+ var $_cache_uri = NULL;
	2301	+
	2302	+ var $verify = FALSE;
	2303	+
	2304	+ var $_data = NULL;
	2305	+ var $_head = NULL;
	2306	+
	2307	+ # -- Recognition patterns
	2308	+ var $_feed_types = array(
	2309	+ 'application/rss+xml',
	2310	+ 'text/xml',
	2311	+ 'application/atom+xml',
	2312	+ 'application/x.atom+xml',
	2313	+ 'application/x-atom+xml'
	2314	+ );
	2315	+ var $_feed_markers = array('\\<feed', '\\<rss', 'xmlns="http://purl.org/rss/1.0');
	2316	+ var $_html_markers = array('\\<html');
	2317	+ var $_obvious_feed_url = array('[./]rss', '[./]rdf', '[./]atom', '[./]feed', '\.xml');
	2318	+ var $_maybe_feed_url = array ('rss', 'rdf', 'atom', 'feed', 'xml');
	2319	+
	2320	+ function FeedFinder ($uri = NULL, $verify = TRUE) {
	2321	+ $this->uri = $uri; $this->verify = $verify;
	2322	+ } /* FeedFinder::FeedFinder () */
	2323	+
	2324	+ function find ($uri = NULL) {
	2325	+ $ret = array ();
	2326	+ if (!is_null($this->data($uri))) {
	2327	+ if ($this->is_feed($uri)) {
	2328	+ $ret = array($this->uri);
	2329	+ } else {
	2330	+ // Assume that we have HTML or XHTML (even if we don't, who's it gonna hurt?)
	2331	+ // Autodiscovery is the preferred method
	2332	+ $href = $this->_link_rel_feeds();
	2333	+
	2334	+ // ... but we'll also take the little orange buttons
	2335	+ $href = array_merge($href, $this->_a_href_feeds(TRUE));
	2336	+
	2337	+ // If all that failed, look harder
	2338	+ if (count($href) == 0) $href = $this->_a_href_feeds(FALSE);
	2339	+
	2340	+ // Verify feeds and resolve relative URIs
	2341	+ foreach ($href as $u) {
	2342	+ $the_uri = Relative_URI::resolve($u, $this->uri);
	2343	+ if ($this->verify) {
	2344	+ $feed =& new FeedFinder($the_uri);
	2345	+ if ($feed->is_feed()) $ret[] = $the_uri;
	2346	+ $feed = NULL;
	2347	+ } else {
	2348	+ $ret[] = $the_uri;
	2349	+ }
	2350	+ } /* foreach */
	2351	+ } /* if */
	2352	+ } /* if */
	2353	+ return array_unique($ret);
	2354	+ } /* FeedFinder::find () */
	2355	+
	2356	+ function data ($uri = NULL) {
	2357	+ $this->_get($uri);
	2358	+ return $this->_data;
	2359	+ }
	2360	+
	2361	+ function is_feed ($uri = NULL) {
	2362	+ $data = $this->data($uri);
	2363	+
	2364	+ return (
	2365	+ preg_match (
	2366	+ "\007(".implode('\|',$this->_feed_markers).")\007i",
	2367	+ $data
	2368	+ ) and !preg_match (
	2369	+ "\007(".implode('\|',$this->_html_markers).")\007i",
	2370	+ $data
	2371	+ )
	2372	+ );
	2373	+ } /* FeedFinder::is_feed () */
	2374	+
	2375	+ # --- Private methods ---
	2376	+ function _get ($uri = NULL) {
	2377	+ if ($uri) $this->uri = $uri;
	2378	+
	2379	+ // Is the result not yet cached?
	2380	+ if ($this->_cache_uri !== $this->uri) :
	2381	+ // Snoopy is an HTTP client in PHP
	2382	+ $client = new Snoopy();
	2383	+
	2384	+ // Prepare headers and internal settings
	2385	+ $client->rawheaders['Connection'] = 'close';
	2386	+ $client->accept = 'application/atom+xml application/rdf+xml application/rss+xml application/xml text/html /';
	2387	+ $client->agent = 'feedfinder/1.2 (compatible; PHP FeedFinder) +http://projects.radgeek.com/feedwordpress';
	2388	+ $client->read_timeout = 25;
	2389	+
	2390	+ // Fetch the HTML or feed
	2391	+ @$client->fetch($this->uri);
	2392	+ $this->_data = $client->results;
	2393	+
	2394	+ // Kilroy was here
	2395	+ $this->_cache_uri = $this->uri;
	2396	+ endif;
	2397	+ } /* FeedFinder::_get () */
	2398	+
	2399	+ function _link_rel_feeds () {
	2400	+ $links = $this->_tags('link');
	2401	+ $link_count = count($links);
	2402	+
	2403	+ // now figure out which one points to the RSS file
	2404	+ $href = array ();
	2405	+ for ($n=0; $n<$link_count; $n++) {
	2406	+ if (strtolower($links[$n]['rel']) == 'alternate') {
	2407	+ if (in_array(strtolower($links[$n]['type']), $this->_feed_types)) {
	2408	+ $href[] = $links[$n]['href'];
	2409	+ } /* if */
	2410	+ } /* if */
	2411	+ } /* for */
	2412	+ return $href;
	2413	+ }
	2414	+
	2415	+ function _a_href_feeds ($obvious = TRUE) {
	2416	+ $pattern = ($obvious ? $this->_obvious_feed_url : $this->_maybe_feed_url);
	2417	+
	2418	+ $links = $this->_tags('a');
	2419	+ $link_count = count($links);
	2420	+
	2421	+ // now figure out which one points to the RSS file
	2422	+ $href = array ();
	2423	+ for ($n=0; $n<$link_count; $n++) {
	2424	+ if (preg_match("\007(".implode('\|',$pattern).")\007i", $links[$n]['href'])) {
	2425	+ $href[] = $links[$n]['href'];
	2426	+ } /* if */
	2427	+ } /* for */
	2428	+ return $href;
	2429	+ }
	2430	+
	2431	+ function _tags ($tag) {
	2432	+ $html = $this->data();
	2433	+
	2434	+ // search through the HTML, save all <link> tags
	2435	+ // and store each link's attributes in an associative array
	2436	+ preg_match_all('/<'.$tag.'\s+(.?)\s\/?>/si', $html, $matches);
	2437	+ $links = $matches[1];
	2438	+ $ret = array();
	2439	+ $link_count = count($links);
	2440	+ for ($n=0; $n<$link_count; $n++) {
	2441	+ $attributes = preg_split('/\s+/s', $links[$n]);
	2442	+ foreach($attributes as $attribute) {
	2443	+ $att = preg_split('/\s=\s/s', $attribute, 2);
	2444	+ if (isset($att[1])) {
	2445	+ $att[1] = preg_replace('/([\'"]?)(.*)\1/', '$2', $att[1]);
	2446	+ $final_link[strtolower($att[0])] = $att[1];
	2447	+ } /* if */
	2448	+ } /* foreach */
	2449	+ $ret[$n] = $final_link;
	2450	+ } /* for */
	2451	+ return $ret;
	2452	+ }
	2453	+} /* class FeedFinder */
	2454	+
	2455	+# Relative URI static class: PHP class for resolving relative URLs
	2456	+#
	2457	+# This class is derived (under the terms of the GPL) from URL Class 0.3 by
	2458	+# Keyvan Minoukadeh <keyvan@k1m.com>, which is great but more than we need
	2459	+# for FeedWordPress's purposes. The class has been stripped down to a single
	2460	+# public method: Relative_URI::resolve($url, $base), which resolves the URI in
	2461	+# $url relative to the URI in $base
	2462	+#
1295	2463	# The upgraded MagpieRSS also uses this class. So if we have it loaded
1296	2464	# in, don't load it again.
1297	2465	if (!class_exists('Relative_URI')) {
1298		- require_once(dirname(__FILE__) . '/relative_uri.class.php');
	2466	+
	2467	+ class Relative_URI
	2468	+ {
	2469	+ // Resolve relative URI in $url against the base URI in $base. If $base
	2470	+ // is not supplied, then we use the REQUEST_URI of this script.
	2471	+ //
	2472	+ // I'm hoping this method reflects RFC 2396 Section 5.2
	2473	+ function resolve ($url, $base = NULL)
	2474	+ {
	2475	+ if (is_null($base)):
	2476	+ $base = 'http://'.$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'];
	2477	+ endif;
	2478	+
	2479	+ $base = Relative_URI::_encode(trim($base));
	2480	+ $uri_parts = Relative_URI::_parse_url($base);
	2481	+
	2482	+ $url = Relative_URI::_encode(trim($url));
	2483	+ $parts = Relative_URI::_parse_url($url);
	2484	+
	2485	+ $uri_parts['fragment'] = (isset($parts['fragment']) ? $parts['fragment'] : null);
	2486	+ $uri_parts['query'] = (isset($parts['query']) ? $parts['query'] : null);
	2487	+
	2488	+ // if path is empty, and scheme, host, and query are undefined,
	2489	+ // the URL is referring the base URL
	2490	+
	2491	+ if (($parts['path'] == '') && !isset($parts['scheme']) && !isset($parts['host']) && !isset($parts['query'])) {
	2492	+ // If the URI is empty or only a fragment, return the base URI
	2493	+ return $base . (isset($parts['fragment']) ? '#'.$parts['fragment'] : '');
	2494	+ } elseif (isset($parts['scheme'])) {
	2495	+ // If the scheme is set, then the URI is absolute.
	2496	+ return $url;
	2497	+ } elseif (isset($parts['host'])) {
	2498	+ $uri_parts['host'] = $parts['host'];
	2499	+ $uri_parts['path'] = $parts['path'];
	2500	+ } else {
	2501	+ // We have a relative path but not a host.
	2502	+
	2503	+ // start ugly fix:
	2504	+ // prepend slash to path if base host is set, base path is not set, and url path is not absolute
	2505	+ if ($uri_parts['host'] && ($uri_parts['path'] == '')
	2506	+ && (strlen($parts['path']) > 0)
	2507	+ && (substr($parts['path'], 0, 1) != '/')) {
	2508	+ $parts['path'] = '/'.$parts['path'];
	2509	+ } // end ugly fix
	2510	+
	2511	+ if (substr($parts['path'], 0, 1) == '/') {
	2512	+ $uri_parts['path'] = $parts['path'];
	2513	+ } else {
	2514	+ // copy base path excluding any characters after the last (right-most) slash character
	2515	+ $buffer = substr($uri_parts['path'], 0, (int)strrpos($uri_parts['path'], '/')+1);
	2516	+ // append relative path
	2517	+ $buffer .= $parts['path'];
	2518	+ // remove "./" where "." is a complete path segment.
	2519	+ $buffer = str_replace('/./', '/', $buffer);
	2520	+ if (substr($buffer, 0, 2) == './') {
	2521	+ $buffer = substr($buffer, 2);
	2522	+ }
	2523	+ // if buffer ends with "." as a complete path segment, remove it
	2524	+ if (substr($buffer, -2) == '/.') {
	2525	+ $buffer = substr($buffer, 0, -1);
	2526	+ }
	2527	+ // remove "<segment>/../" where <segment> is a complete path segment not equal to ".."
	2528	+ $search_finished = false;
	2529	+ $segment = explode('/', $buffer);
	2530	+ while (!$search_finished) {
	2531	+ for ($x=0; $x+1 < count($segment);) {
	2532	+ if (($segment[$x] != '') && ($segment[$x] != '..') && ($segment[$x+1] == '..')) {
	2533	+ if ($x+2 == count($segment)) $segment[] = '';
	2534	+ unset($segment[$x], $segment[$x+1]);
	2535	+ $segment = array_values($segment);
	2536	+ continue 2;
	2537	+ } else {
	2538	+ $x++;
	2539	+ }
	2540	+ }
	2541	+ $search_finished = true;
	2542	+ }
	2543	+ $buffer = (count($segment) == 1) ? '/' : implode('/', $segment);
	2544	+ $uri_parts['path'] = $buffer;
	2545	+
	2546	+ }
	2547	+ }
	2548	+
	2549	+ // If we've gotten to this point, we can try to put the pieces
	2550	+ // back together.
	2551	+ $ret = '';
	2552	+ if (isset($uri_parts['scheme'])) $ret .= $uri_parts['scheme'].':';
	2553	+ if (isset($uri_parts['user'])) {
	2554	+ $ret .= $uri_parts['user'];
	2555	+ if (isset($uri_parts['pass'])) $ret .= ':'.$uri_parts['parts'];
	2556	+ $ret .= '@';
	2557	+ }
	2558	+ if (isset($uri_parts['host'])) {
	2559	+ $ret .= '//'.$uri_parts['host'];
	2560	+ if (isset($uri_parts['port'])) $ret .= ':'.$uri_parts['port'];
	2561	+ }
	2562	+ $ret .= $uri_parts['path'];
	2563	+ if (isset($uri_parts['query'])) $ret .= '?'.$uri_parts['query'];
	2564	+ if (isset($uri_parts['fragment'])) $ret .= '#'.$uri_parts['fragment'];
	2565	+
	2566	+ return $ret;
	2567	+ }
	2568	+
	2569	+ /**
	2570	+ * Parse URL
	2571	+ *
	2572	+ * Regular expression grabbed from RFC 2396 Appendix B.
	2573	+ * This is a replacement for PHPs builtin parse_url().
	2574	+ * @param string $url
	2575	+ * @access private
	2576	+ * @return array
	2577	+ */
	2578	+ function _parse_url($url)
	2579	+ {
	2580	+ // I'm using this pattern instead of parse_url() as there's a few strings where parse_url()
	2581	+ // generates a warning.
	2582	+ if (preg_match('!^(([^:/?#]+):)?(//([^/?#]))?([^?#])(\?([^#]))?(#(.))?!', $url, $match)) {
	2583	+ $parts = array();
	2584	+ if ($match[1] != '') $parts['scheme'] = $match[2];
	2585	+ if ($match[3] != '') $parts['auth'] = $match[4];
	2586	+ // parse auth
	2587	+ if (isset($parts['auth'])) {
	2588	+ // store user info
	2589	+ if (($at_pos = strpos($parts['auth'], '@')) !== false) {
	2590	+ $userinfo = explode(':', substr($parts['auth'], 0, $at_pos), 2);
	2591	+ $parts['user'] = $userinfo[0];
	2592	+ if (isset($userinfo[1])) $parts['pass'] = $userinfo[1];
	2593	+ $parts['auth'] = substr($parts['auth'], $at_pos+1);
	2594	+ }
	2595	+ // get port number
	2596	+ if ($port_pos = strrpos($parts['auth'], ':')) {
	2597	+ $parts['host'] = substr($parts['auth'], 0, $port_pos);
	2598	+ $parts['port'] = (int)substr($parts['auth'], $port_pos+1);
	2599	+ if ($parts['port'] < 1) $parts['port'] = null;
	2600	+ } else {
	2601	+ $parts['host'] = $parts['auth'];
	2602	+ }
	2603	+ }
	2604	+ unset($parts['auth']);
	2605	+ $parts['path'] = $match[5];
	2606	+ if (isset($match[6]) && ($match[6] != '')) $parts['query'] = $match[7];
	2607	+ if (isset($match[8]) && ($match[8] != '')) $parts['fragment'] = $match[9];
	2608	+ return $parts;
	2609	+ }
	2610	+ // shouldn't reach here
	2611	+ return array('path'=>'');
	2612	+ }
	2613	+
	2614	+ function _encode($string)
	2615	+ {
	2616	+ static $replace = array();
	2617	+ if (!count($replace)) {
	2618	+ $find = array(32, 34, 60, 62, 123, 124, 125, 91, 92, 93, 94, 96, 127);
	2619	+ $find = array_merge(range(0, 31), $find);
	2620	+ $find = array_map('chr', $find);
	2621	+ foreach ($find as $char) {
	2622	+ $replace[$char] = '%'.bin2hex($char);
	2623	+ }
	2624	+ }
	2625	+ // escape control characters and a few other characters
	2626	+ $encoded = strtr($string, $replace);
	2627	+ // remove any character outside the hex range: 21 - 7E (see www.asciitable.com)
	2628	+ return preg_replace('/[^\x21-\x7e]/', '', $encoded);
	2629	+ }
	2630	+ } // class Relative_URI
1299	2631	}
1300	2632
1301	2633	// take your best guess at the realname and e-mail, given a string
1302	2634	define('FWP_REGEX_EMAIL_ADDY', '([^@"(<\s]+@[^"@(<\s]+\.[^"@(<\s]+)');