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update: better tag-related debugging info
[tt-rss.git] / include / rssfuncs.php
1 <?php
2 define_default('DAEMON_UPDATE_LOGIN_LIMIT', 30);
3 define_default('DAEMON_FEED_LIMIT', 500);
4 define_default('DAEMON_SLEEP_INTERVAL', 120);
5
6 function update_feedbrowser_cache() {
7
8 $result = db_query("SELECT feed_url, site_url, title, COUNT(id) AS subscribers
9 FROM ttrss_feeds WHERE (SELECT COUNT(id) = 0 FROM ttrss_feeds AS tf
10 WHERE tf.feed_url = ttrss_feeds.feed_url
11 AND (private IS true OR auth_login != '' OR auth_pass != '' OR feed_url LIKE '%:%@%/%'))
12 GROUP BY feed_url, site_url, title ORDER BY subscribers DESC LIMIT 1000");
13
14 db_query("BEGIN");
15
16 db_query("DELETE FROM ttrss_feedbrowser_cache");
17
18 $count = 0;
19
20 while ($line = db_fetch_assoc($result)) {
21 $subscribers = db_escape_string($line["subscribers"]);
22 $feed_url = db_escape_string($line["feed_url"]);
23 $title = db_escape_string($line["title"]);
24 $site_url = db_escape_string($line["site_url"]);
25
26 $tmp_result = db_query("SELECT subscribers FROM
27 ttrss_feedbrowser_cache WHERE feed_url = '$feed_url'");
28
29 if (db_num_rows($tmp_result) == 0) {
30
31 db_query("INSERT INTO ttrss_feedbrowser_cache
32 (feed_url, site_url, title, subscribers) VALUES ('$feed_url',
33 '$site_url', '$title', '$subscribers')");
34
35 ++$count;
36
37 }
38
39 }
40
41 db_query("COMMIT");
42
43 return $count;
44
45 }
46
47
48 /**
49 * Update a feed batch.
50 * Used by daemons to update n feeds by run.
51 * Only update feed needing a update, and not being processed
52 * by another process.
53 *
54 * @param mixed $link Database link
55 * @param integer $limit Maximum number of feeds in update batch. Default to DAEMON_FEED_LIMIT.
56 * @param boolean $from_http Set to true if you call this function from http to disable cli specific code.
57 * @param boolean $debug Set to false to disable debug output. Default to true.
58 * @return void
59 */
60 function update_daemon_common($limit = DAEMON_FEED_LIMIT, $from_http = false, $debug = true) {
61 // Process all other feeds using last_updated and interval parameters
62
63 $schema_version = get_schema_version();
64
65 if ($schema_version != SCHEMA_VERSION) {
66 die("Schema version is wrong, please upgrade the database.\n");
67 }
68
69 define('PREFS_NO_CACHE', true);
70
71 // Test if the user has loggued in recently. If not, it does not update its feeds.
72 if (!SINGLE_USER_MODE && DAEMON_UPDATE_LOGIN_LIMIT > 0) {
73 if (DB_TYPE == "pgsql") {
74 $login_thresh_qpart = "AND ttrss_users.last_login >= NOW() - INTERVAL '".DAEMON_UPDATE_LOGIN_LIMIT." days'";
75 } else {
76 $login_thresh_qpart = "AND ttrss_users.last_login >= DATE_SUB(NOW(), INTERVAL ".DAEMON_UPDATE_LOGIN_LIMIT." DAY)";
77 }
78 } else {
79 $login_thresh_qpart = "";
80 }
81
82 // Test if the feed need a update (update interval exceded).
83 if (DB_TYPE == "pgsql") {
84 $update_limit_qpart = "AND ((
85 ttrss_feeds.update_interval = 0
86 AND ttrss_user_prefs.value != '-1'
87 AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_user_prefs.value || ' minutes') AS INTERVAL)
88 ) OR (
89 ttrss_feeds.update_interval > 0
90 AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_feeds.update_interval || ' minutes') AS INTERVAL)
91 ) OR ttrss_feeds.last_updated IS NULL
92 OR last_updated = '1970-01-01 00:00:00')";
93 } else {
94 $update_limit_qpart = "AND ((
95 ttrss_feeds.update_interval = 0
96 AND ttrss_user_prefs.value != '-1'
97 AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL CONVERT(ttrss_user_prefs.value, SIGNED INTEGER) MINUTE)
98 ) OR (
99 ttrss_feeds.update_interval > 0
100 AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL ttrss_feeds.update_interval MINUTE)
101 ) OR ttrss_feeds.last_updated IS NULL
102 OR last_updated = '1970-01-01 00:00:00')";
103 }
104
105 // Test if feed is currently being updated by another process.
106 if (DB_TYPE == "pgsql") {
107 $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '10 minutes')";
108 } else {
109 $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 10 MINUTE))";
110 }
111
112 // Test if there is a limit to number of updated feeds
113 $query_limit = "";
114 if($limit) $query_limit = sprintf("LIMIT %d", $limit);
115
116 $query = "SELECT DISTINCT ttrss_feeds.feed_url, ttrss_feeds.last_updated
117 FROM
118 ttrss_feeds, ttrss_users, ttrss_user_prefs
119 WHERE
120 ttrss_feeds.owner_uid = ttrss_users.id
121 AND ttrss_users.id = ttrss_user_prefs.owner_uid
122 AND ttrss_user_prefs.pref_name = 'DEFAULT_UPDATE_INTERVAL'
123 $login_thresh_qpart $update_limit_qpart
124 $updstart_thresh_qpart
125 ORDER BY last_updated $query_limit";
126
127 // We search for feed needing update.
128 $result = db_query($query);
129
130 if($debug) _debug(sprintf("Scheduled %d feeds to update...", db_num_rows($result)));
131
132 // Here is a little cache magic in order to minimize risk of double feed updates.
133 $feeds_to_update = array();
134 while ($line = db_fetch_assoc($result)) {
135 array_push($feeds_to_update, db_escape_string($line['feed_url']));
136 }
137
138 // We update the feed last update started date before anything else.
139 // There is no lag due to feed contents downloads
140 // It prevent an other process to update the same feed.
141
142 if(count($feeds_to_update) > 0) {
143 $feeds_quoted = array();
144
145 foreach ($feeds_to_update as $feed) {
146 array_push($feeds_quoted, "'" . db_escape_string($feed) . "'");
147 }
148
149 db_query(sprintf("UPDATE ttrss_feeds SET last_update_started = NOW()
150 WHERE feed_url IN (%s)", implode(',', $feeds_quoted)));
151 }
152
153 $nf = 0;
154
155 // For each feed, we call the feed update function.
156 foreach ($feeds_to_update as $feed) {
157 if($debug) _debug("Base feed: $feed");
158
159 //update_rss_feed($line["id"], true);
160
161 // since we have the data cached, we can deal with other feeds with the same url
162
163 $tmp_result = db_query("SELECT DISTINCT ttrss_feeds.id,last_updated
164 FROM ttrss_feeds, ttrss_users, ttrss_user_prefs WHERE
165 ttrss_user_prefs.owner_uid = ttrss_feeds.owner_uid AND
166 ttrss_users.id = ttrss_user_prefs.owner_uid AND
167 ttrss_user_prefs.pref_name = 'DEFAULT_UPDATE_INTERVAL' AND
168 feed_url = '".db_escape_string($feed)."' AND
169 (ttrss_feeds.update_interval > 0 OR
170 ttrss_user_prefs.value != '-1')
171 $login_thresh_qpart
172 ORDER BY ttrss_feeds.id $query_limit");
173
174 if (db_num_rows($tmp_result) > 0) {
175 while ($tline = db_fetch_assoc($tmp_result)) {
176 if($debug) _debug(" => " . $tline["last_updated"] . ", " . $tline["id"]);
177 update_rss_feed($tline["id"], true);
178 ++$nf;
179 }
180 }
181 }
182
183 require_once "digest.php";
184
185 // Send feed digests by email if needed.
186 send_headlines_digests($debug);
187
188 return $nf;
189
190 } // function update_daemon_common
191
192 // ignore_daemon is not used
193 function update_rss_feed($feed, $ignore_daemon = false, $no_cache = false,
194 $override_url = false) {
195
196 $debug_enabled = defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug'];
197
198 _debug("start", $debug_enabled);
199
200 $result = db_query("SELECT id,update_interval,auth_login,
201 feed_url,auth_pass,cache_images,last_updated,
202 mark_unread_on_update, owner_uid,
203 pubsub_state, auth_pass_encrypted,
204 (SELECT max(date_entered) FROM
205 ttrss_entries, ttrss_user_entries where ref_id = id AND feed_id = '$feed') AS last_article_timestamp
206 FROM ttrss_feeds WHERE id = '$feed'");
207
208 if (db_num_rows($result) == 0) {
209 _debug("feed $feed NOT FOUND/SKIPPED", $debug_enabled);
210 return false;
211 }
212
213 // set last update to now so if anything *simplepie* crashes later we won't be
214 // continuously failing on the same feed
215 db_query("UPDATE ttrss_feeds SET last_updated = NOW() WHERE id = '$feed'");
216
217 $last_updated = db_fetch_result($result, 0, "last_updated");
218 $last_article_timestamp = @strtotime(db_fetch_result($result, 0, "last_article_timestamp"));
219 $owner_uid = db_fetch_result($result, 0, "owner_uid");
220 $mark_unread_on_update = sql_bool_to_bool(db_fetch_result($result,
221 0, "mark_unread_on_update"));
222 $pubsub_state = db_fetch_result($result, 0, "pubsub_state");
223 $auth_pass_encrypted = sql_bool_to_bool(db_fetch_result($result,
224 0, "auth_pass_encrypted"));
225
226 db_query("UPDATE ttrss_feeds SET last_update_started = NOW()
227 WHERE id = '$feed'");
228
229 $auth_login = db_fetch_result($result, 0, "auth_login");
230 $auth_pass = db_fetch_result($result, 0, "auth_pass");
231
232 if ($auth_pass_encrypted) {
233 require_once "crypt.php";
234 $auth_pass = decrypt_string($auth_pass);
235 }
236
237 $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images"));
238 $fetch_url = db_fetch_result($result, 0, "feed_url");
239
240 $feed = db_escape_string($feed);
241
242 if ($override_url) $fetch_url = $override_url;
243
244 $date_feed_processed = date('Y-m-d H:i');
245
246 $cache_filename = CACHE_DIR . "/simplepie/" . sha1($fetch_url) . ".feed2";
247
248 // Ignore cache if new feed or manual update.
249 $cache_age = ($no_cache || is_null($last_updated) || strpos($last_updated, '1970-01-01') === 0) ? 30 : get_feed_update_interval($feed) * 60;
250
251 _debug("cache filename: $cache_filename exists: " . file_exists($cache_filename), $debug_enabled);
252 _debug("cache age: $cache_age; no cache: $no_cache", $debug_enabled);
253
254 $cached_feed_data_hash = false;
255
256 $rss = false;
257 $rss_hash = false;
258 $cache_timestamp = file_exists($cache_filename) ? filemtime($cache_filename) : 0;
259
260 $force_refetch = isset($_REQUEST["force_refetch"]);
261
262 if (file_exists($cache_filename) &&
263 is_readable($cache_filename) &&
264 !$auth_login && !$auth_pass &&
265 filemtime($cache_filename) > time() - $cache_age) {
266
267 _debug("using local cache.", $debug_enabled);
268
269 if ($cache_timestamp > $last_article_timestamp) {
270 @$feed_data = file_get_contents($cache_filename);
271
272 if ($feed_data) {
273 $rss_hash = sha1($feed_data);
274 }
275 } else if (!$force_refetch) {
276 _debug("local cache valid and older than last_updated, nothing to do.", $debug_enabled);
277 return;
278 }
279 } else {
280 _debug("local cache will not be used for this feed", $debug_enabled);
281 }
282
283 if (!$rss) {
284
285 if (!$feed_data) {
286 _debug("fetching [$fetch_url]...", $debug_enabled);
287 _debug("If-Modified-Since: ".gmdate('D, d M Y H:i:s \G\M\T', $last_article_timestamp), $debug_enabled);
288
289 $feed_data = fetch_file_contents($fetch_url, false,
290 $auth_login, $auth_pass, false,
291 $no_cache ? FEED_FETCH_NO_CACHE_TIMEOUT : FEED_FETCH_TIMEOUT,
292 $force_refetch ? 0 : $last_article_timestamp);
293
294 global $fetch_curl_used;
295
296 if (!$fetch_curl_used) {
297 $tmp = @gzdecode($feed_data);
298
299 if ($tmp) $feed_data = $tmp;
300 }
301
302 $feed_data = trim($feed_data);
303
304 _debug("fetch done.", $debug_enabled);
305
306 if ($feed_data) {
307 $error = verify_feed_xml($feed_data);
308
309 if ($error) {
310 _debug("error verifying XML, code: " . $error->code, $debug_enabled);
311
312 if ($error->code == 26) {
313 _debug("got error 26, trying to decode entities...", $debug_enabled);
314
315 $feed_data = html_entity_decode($feed_data, ENT_COMPAT, 'UTF-8');
316
317 $error = verify_feed_xml($feed_data);
318
319 if ($error) $feed_data = '';
320 }
321 }
322 }
323 }
324
325 if (!$feed_data) {
326 global $fetch_last_error;
327 global $fetch_last_error_code;
328
329 _debug("unable to fetch: $fetch_last_error [$fetch_last_error_code]", $debug_enabled);
330
331 $error_escaped = '';
332
333 // If-Modified-Since
334 if ($fetch_last_error_code != 304) {
335 $error_escaped = db_escape_string($fetch_last_error);
336 } else {
337 _debug("source claims data not modified, nothing to do.", $debug_enabled);
338 }
339
340 db_query(
341 "UPDATE ttrss_feeds SET last_error = '$error_escaped',
342 last_updated = NOW() WHERE id = '$feed'");
343
344 return;
345 }
346 }
347
348 $pluginhost = new PluginHost();
349 $pluginhost->set_debug($debug_enabled, $debug_enabled);
350 $user_plugins = get_pref("_ENABLED_PLUGINS", $owner_uid);
351
352 $pluginhost->load(PLUGINS, PluginHost::KIND_ALL);
353 $pluginhost->load($user_plugins, PluginHost::KIND_USER, $owner_uid);
354 $pluginhost->load_data();
355
356 foreach ($pluginhost->get_hooks(PluginHost::HOOK_FEED_FETCHED) as $plugin) {
357 $feed_data = $plugin->hook_feed_fetched($feed_data);
358 }
359
360 if (!$rss) {
361 $rss = new FeedParser($feed_data);
362 $rss->init();
363 }
364
365 // print_r($rss);
366
367 $feed = db_escape_string($feed);
368
369 if (!$rss->error()) {
370
371 // cache data for later
372 if (!$auth_pass && !$auth_login && is_writable(CACHE_DIR . "/simplepie")) {
373 $new_rss_hash = sha1($rss_data);
374
375 if ($new_rss_hash != $rss_hash && count($rss->get_items()) > 0 ) {
376 _debug("saving $cache_filename", $debug_enabled);
377 @file_put_contents($cache_filename, $feed_data);
378 }
379 }
380
381 // We use local pluginhost here because we need to load different per-user feed plugins
382 $pluginhost->run_hooks(PluginHost::HOOK_FEED_PARSED, "hook_feed_parsed", $rss);
383
384 _debug("processing feed data...", $debug_enabled);
385
386 // db_query("BEGIN");
387
388 if (DB_TYPE == "pgsql") {
389 $favicon_interval_qpart = "favicon_last_checked < NOW() - INTERVAL '12 hour'";
390 } else {
391 $favicon_interval_qpart = "favicon_last_checked < DATE_SUB(NOW(), INTERVAL 12 HOUR)";
392 }
393
394 $result = db_query("SELECT title,site_url,owner_uid,favicon_avg_color,
395 (favicon_last_checked IS NULL OR $favicon_interval_qpart) AS
396 favicon_needs_check
397 FROM ttrss_feeds WHERE id = '$feed'");
398
399 $registered_title = db_fetch_result($result, 0, "title");
400 $orig_site_url = db_fetch_result($result, 0, "site_url");
401 $favicon_needs_check = sql_bool_to_bool(db_fetch_result($result, 0,
402 "favicon_needs_check"));
403 $favicon_avg_color = db_fetch_result($result, 0, "favicon_avg_color");
404
405 $owner_uid = db_fetch_result($result, 0, "owner_uid");
406
407 $site_url = db_escape_string(mb_substr(rewrite_relative_url($fetch_url, $rss->get_link()), 0, 245));
408
409 _debug("site_url: $site_url", $debug_enabled);
410 _debug("feed_title: " . $rss->get_title(), $debug_enabled);
411
412 if ($favicon_needs_check || $force_refetch) {
413
414 /* terrible hack: if we crash on floicon shit here, we won't check
415 * the icon avgcolor again (unless the icon got updated) */
416
417 $favicon_file = ICONS_DIR . "/$feed.ico";
418 $favicon_modified = @filemtime($favicon_file);
419
420 _debug("checking favicon...", $debug_enabled);
421
422 check_feed_favicon($site_url, $feed, $link);
423 $favicon_modified_new = @filemtime($favicon_file);
424
425 if ($favicon_modified_new > $favicon_modified)
426 $favicon_avg_color = '';
427
428 if (file_exists($favicon_file) && function_exists("imagecreatefromstring") && $favicon_avg_color == '') {
429 require_once "colors.php";
430
431 db_query("UPDATE ttrss_feeds SET favicon_avg_color = 'fail' WHERE
432 id = '$feed'");
433
434 $favicon_color = db_escape_string(
435 calculate_avg_color($favicon_file));
436
437 $favicon_colorstring = ",favicon_avg_color = '".$favicon_color."'";
438 } else if ($favicon_avg_color == 'fail') {
439 _debug("floicon failed on this file, not trying to recalculate avg color", $debug_enabled);
440 }
441
442 db_query("UPDATE ttrss_feeds SET favicon_last_checked = NOW()
443 $favicon_colorstring
444 WHERE id = '$feed'");
445 }
446
447 if (!$registered_title || $registered_title == "[Unknown]") {
448
449 $feed_title = db_escape_string($rss->get_title());
450
451 if ($feed_title) {
452 _debug("registering title: $feed_title", $debug_enabled);
453
454 db_query("UPDATE ttrss_feeds SET
455 title = '$feed_title' WHERE id = '$feed'");
456 }
457 }
458
459 if ($site_url && $orig_site_url != $site_url) {
460 db_query("UPDATE ttrss_feeds SET
461 site_url = '$site_url' WHERE id = '$feed'");
462 }
463
464 _debug("loading filters & labels...", $debug_enabled);
465
466 $filters = load_filters($feed, $owner_uid);
467 $labels = get_all_labels($owner_uid);
468
469 _debug("" . count($filters) . " filters loaded.", $debug_enabled);
470
471 $items = $rss->get_items();
472
473 if (!is_array($items)) {
474 _debug("no articles found.", $debug_enabled);
475
476 db_query("UPDATE ttrss_feeds
477 SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
478
479 return; // no articles
480 }
481
482 if ($pubsub_state != 2 && PUBSUBHUBBUB_ENABLED) {
483
484 _debug("checking for PUSH hub...", $debug_enabled);
485
486 $feed_hub_url = false;
487
488 $links = $rss->get_links('hub');
489
490 if ($links && is_array($links)) {
491 foreach ($links as $l) {
492 $feed_hub_url = $l;
493 break;
494 }
495 }
496
497 _debug("feed hub url: $feed_hub_url", $debug_enabled);
498
499 if ($feed_hub_url && function_exists('curl_init') &&
500 !ini_get("open_basedir")) {
501
502 require_once 'lib/pubsubhubbub/subscriber.php';
503
504 $callback_url = get_self_url_prefix() .
505 "/public.php?op=pubsub&id=$feed";
506
507 $s = new Subscriber($feed_hub_url, $callback_url);
508
509 $rc = $s->subscribe($fetch_url);
510
511 _debug("feed hub url found, subscribe request sent.", $debug_enabled);
512
513 db_query("UPDATE ttrss_feeds SET pubsub_state = 1
514 WHERE id = '$feed'");
515 }
516 }
517
518 _debug("processing articles...", $debug_enabled);
519
520 foreach ($items as $item) {
521 if ($_REQUEST['xdebug'] == 3) {
522 print_r($item);
523 }
524
525 $entry_guid = $item->get_id();
526 if (!$entry_guid) $entry_guid = $item->get_link();
527 if (!$entry_guid) $entry_guid = make_guid_from_title($item->get_title());
528
529 _debug("f_guid $entry_guid", $debug_enabled);
530
531 if (!$entry_guid) continue;
532
533 $entry_guid = "$owner_uid,$entry_guid";
534
535 $entry_guid_hashed = db_escape_string('SHA1:' . sha1($entry_guid));
536
537 _debug("guid $entry_guid / $entry_guid_hashed", $debug_enabled);
538
539 $entry_timestamp = "";
540
541 $entry_timestamp = $item->get_date();
542
543 _debug("orig date: " . $item->get_date(), $debug_enabled);
544
545 if ($entry_timestamp == -1 || !$entry_timestamp || $entry_timestamp > time()) {
546 $entry_timestamp = time();
547 $no_orig_date = 'true';
548 } else {
549 $no_orig_date = 'false';
550 }
551
552 $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
553
554 _debug("date $entry_timestamp [$entry_timestamp_fmt]", $debug_enabled);
555
556 // $entry_title = html_entity_decode($item->get_title(), ENT_COMPAT, 'UTF-8');
557 // $entry_title = decode_numeric_entities($entry_title);
558 $entry_title = $item->get_title();
559
560 $entry_link = rewrite_relative_url($site_url, $item->get_link());
561
562 _debug("title $entry_title", $debug_enabled);
563 _debug("link $entry_link", $debug_enabled);
564
565 if (!$entry_title) $entry_title = date("Y-m-d H:i:s", $entry_timestamp);;
566
567 $entry_content = $item->get_content();
568 if (!$entry_content) $entry_content = $item->get_description();
569
570 if ($_REQUEST["xdebug"] == 2) {
571 print "content: ";
572 print $entry_content;
573 print "\n";
574 }
575
576 $entry_comments = $item->get_comments_url();
577 $entry_author = $item->get_author();
578
579 $entry_guid = db_escape_string(mb_substr($entry_guid, 0, 245));
580
581 $entry_comments = db_escape_string(mb_substr(trim($entry_comments), 0, 245));
582 $entry_author = db_escape_string(mb_substr(trim($entry_author), 0, 245));
583
584 $num_comments = $item->get_comments_count();
585
586 if (is_array($num_comments) && is_array($num_comments[0])) {
587 $num_comments = (int) $num_comments[0]["data"];
588 } else {
589 $num_comments = 0;
590 }
591
592 _debug("author $entry_author", $debug_enabled);
593 _debug("num_comments: $num_comments", $debug_enabled);
594 _debug("looking for tags...", $debug_enabled);
595
596 // parse <category> entries into tags
597
598 $additional_tags = array();
599
600 $additional_tags_src = $item->get_categories();
601
602 if (is_array($additional_tags_src)) {
603 foreach ($additional_tags_src as $tobj) {
604 array_push($additional_tags, $tobj);
605 }
606 }
607
608 $entry_tags = array_unique($additional_tags);
609
610 for ($i = 0; $i < count($entry_tags); $i++)
611 $entry_tags[$i] = mb_strtolower($entry_tags[$i], 'utf-8');
612
613 _debug("tags found: " . join(",", $entry_tags), $debug_enabled);
614
615 _debug("done collecting data.", $debug_enabled);
616
617 // TODO: less memory-hungry implementation
618
619 _debug("applying plugin filters..", $debug_enabled);
620
621 // FIXME not sure if owner_uid is a good idea here, we may have a base entry without user entry (?)
622 $result = db_query("SELECT plugin_data,title,content,link,tag_cache,author FROM ttrss_entries, ttrss_user_entries
623 WHERE ref_id = id AND (guid = '".db_escape_string($entry_guid)."' OR guid = '$entry_guid_hashed') AND owner_uid = $owner_uid");
624
625 if (db_num_rows($result) != 0) {
626 $entry_plugin_data = db_fetch_result($result, 0, "plugin_data");
627 $stored_article = array("title" => db_fetch_result($result, 0, "title"),
628 "content" => db_fetch_result($result, 0, "content"),
629 "link" => db_fetch_result($result, 0, "link"),
630 "tags" => explode(",", db_fetch_result($result, 0, "tag_cache")),
631 "author" => db_fetch_result($result, 0, "author"));
632 } else {
633 $entry_plugin_data = "";
634 $stored_article = array();
635 }
636
637 $article = array("owner_uid" => $owner_uid, // read only
638 "guid" => $entry_guid, // read only
639 "title" => $entry_title,
640 "content" => $entry_content,
641 "link" => $entry_link,
642 "tags" => $entry_tags,
643 "plugin_data" => $entry_plugin_data,
644 "author" => $entry_author,
645 "stored" => $stored_article);
646
647 foreach ($pluginhost->get_hooks(PluginHost::HOOK_ARTICLE_FILTER) as $plugin) {
648 $article = $plugin->hook_article_filter($article);
649 }
650
651 $entry_tags = $article["tags"];
652 $entry_guid = db_escape_string($entry_guid);
653 $entry_title = db_escape_string($article["title"]);
654 $entry_author = db_escape_string($article["author"]);
655 $entry_link = db_escape_string($article["link"]);
656 $entry_plugin_data = db_escape_string($article["plugin_data"]);
657 $entry_content = $article["content"]; // escaped below
658
659
660 _debug("plugin data: $entry_plugin_data", $debug_enabled);
661
662 if ($cache_images && is_writable(CACHE_DIR . '/images'))
663 cache_images($entry_content, $site_url, $debug_enabled);
664
665 $entry_content = db_escape_string($entry_content, false);
666
667 $content_hash = "SHA1:" . sha1($entry_content);
668
669 db_query("BEGIN");
670
671 $result = db_query("SELECT id FROM ttrss_entries
672 WHERE (guid = '$entry_guid' OR guid = '$entry_guid_hashed')");
673
674 if (db_num_rows($result) == 0) {
675
676 _debug("base guid [$entry_guid] not found", $debug_enabled);
677
678 // base post entry does not exist, create it
679
680 $result = db_query(
681 "INSERT INTO ttrss_entries
682 (title,
683 guid,
684 link,
685 updated,
686 content,
687 content_hash,
688 cached_content,
689 no_orig_date,
690 date_updated,
691 date_entered,
692 comments,
693 num_comments,
694 plugin_data,
695 author)
696 VALUES
697 ('$entry_title',
698 '$entry_guid_hashed',
699 '$entry_link',
700 '$entry_timestamp_fmt',
701 '$entry_content',
702 '$content_hash',
703 '',
704 $no_orig_date,
705 NOW(),
706 '$date_feed_processed',
707 '$entry_comments',
708 '$num_comments',
709 '$entry_plugin_data',
710 '$entry_author')");
711
712 $article_labels = array();
713
714 } else {
715 // we keep encountering the entry in feeds, so we need to
716 // update date_updated column so that we don't get horrible
717 // dupes when the entry gets purged and reinserted again e.g.
718 // in the case of SLOW SLOW OMG SLOW updating feeds
719
720 $base_entry_id = db_fetch_result($result, 0, "id");
721
722 db_query("UPDATE ttrss_entries SET date_updated = NOW()
723 WHERE id = '$base_entry_id'");
724
725 $article_labels = get_article_labels($base_entry_id, $owner_uid);
726 }
727
728 // now it should exist, if not - bad luck then
729
730 $result = db_query("SELECT
731 id,content_hash,no_orig_date,title,plugin_data,guid,
732 ".SUBSTRING_FOR_DATE."(date_updated,1,19) as date_updated,
733 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated,
734 num_comments
735 FROM
736 ttrss_entries
737 WHERE guid = '$entry_guid' OR guid = '$entry_guid_hashed'");
738
739 $entry_ref_id = 0;
740 $entry_int_id = 0;
741
742 if (db_num_rows($result) == 1) {
743
744 _debug("base guid found, checking for user record", $debug_enabled);
745
746 // this will be used below in update handler
747 $orig_content_hash = db_fetch_result($result, 0, "content_hash");
748 $orig_title = db_fetch_result($result, 0, "title");
749 $orig_num_comments = db_fetch_result($result, 0, "num_comments");
750 $orig_date_updated = strtotime(db_fetch_result($result,
751 0, "date_updated"));
752 $orig_plugin_data = db_fetch_result($result, 0, "plugin_data");
753
754 $ref_id = db_fetch_result($result, 0, "id");
755 $entry_ref_id = $ref_id;
756
757 /* $stored_guid = db_fetch_result($result, 0, "guid");
758 if ($stored_guid != $entry_guid_hashed) {
759 if ($debug_enabled) _debug("upgrading compat guid to hashed one", $debug_enabled);
760
761 db_query("UPDATE ttrss_entries SET guid = '$entry_guid_hashed' WHERE
762 id = '$ref_id'");
763 } */
764
765 // check for user post link to main table
766
767 // do we allow duplicate posts with same GUID in different feeds?
768 if (get_pref("ALLOW_DUPLICATE_POSTS", $owner_uid, false)) {
769 $dupcheck_qpart = "AND (feed_id = '$feed' OR feed_id IS NULL)";
770 } else {
771 $dupcheck_qpart = "";
772 }
773
774 /* Collect article tags here so we could filter by them: */
775
776 $article_filters = get_article_filters($filters, $entry_title,
777 $entry_content, $entry_link, $entry_timestamp, $entry_author,
778 $entry_tags);
779
780 if ($debug_enabled) {
781 _debug("article filters: ", $debug_enabled);
782 if (count($article_filters) != 0) {
783 print_r($article_filters);
784 }
785 }
786
787 if (find_article_filter($article_filters, "filter")) {
788 db_query("COMMIT"); // close transaction in progress
789 continue;
790 }
791
792 $score = calculate_article_score($article_filters);
793
794 _debug("initial score: $score", $debug_enabled);
795
796 $query = "SELECT ref_id, int_id FROM ttrss_user_entries WHERE
797 ref_id = '$ref_id' AND owner_uid = '$owner_uid'
798 $dupcheck_qpart";
799
800 // if ($_REQUEST["xdebug"]) print "$query\n";
801
802 $result = db_query($query);
803
804 // okay it doesn't exist - create user entry
805 if (db_num_rows($result) == 0) {
806
807 _debug("user record not found, creating...", $debug_enabled);
808
809 if ($score >= -500 && !find_article_filter($article_filters, 'catchup')) {
810 $unread = 'true';
811 $last_read_qpart = 'NULL';
812 } else {
813 $unread = 'false';
814 $last_read_qpart = 'NOW()';
815 }
816
817 if (find_article_filter($article_filters, 'mark') || $score > 1000) {
818 $marked = 'true';
819 } else {
820 $marked = 'false';
821 }
822
823 if (find_article_filter($article_filters, 'publish')) {
824 $published = 'true';
825 } else {
826 $published = 'false';
827 }
828
829 // N-grams
830
831 if (DB_TYPE == "pgsql" and defined('_NGRAM_TITLE_DUPLICATE_THRESHOLD')) {
832
833 $result = db_query("SELECT COUNT(*) AS similar FROM
834 ttrss_entries,ttrss_user_entries
835 WHERE ref_id = id AND updated >= NOW() - INTERVAL '7 day'
836 AND similarity(title, '$entry_title') >= "._NGRAM_TITLE_DUPLICATE_THRESHOLD."
837 AND owner_uid = $owner_uid");
838
839 $ngram_similar = db_fetch_result($result, 0, "similar");
840
841 _debug("N-gram similar results: $ngram_similar", $debug_enabled);
842
843 if ($ngram_similar > 0) {
844 $unread = 'false';
845 }
846 }
847
848 $last_marked = ($marked == 'true') ? 'NOW()' : 'NULL';
849 $last_published = ($published == 'true') ? 'NOW()' : 'NULL';
850
851 $result = db_query(
852 "INSERT INTO ttrss_user_entries
853 (ref_id, owner_uid, feed_id, unread, last_read, marked,
854 published, score, tag_cache, label_cache, uuid,
855 last_marked, last_published)
856 VALUES ('$ref_id', '$owner_uid', '$feed', $unread,
857 $last_read_qpart, $marked, $published, '$score', '', '',
858 '', $last_marked, $last_published)");
859
860 if (PUBSUBHUBBUB_HUB && $published == 'true') {
861 $rss_link = get_self_url_prefix() .
862 "/public.php?op=rss&id=-2&key=" .
863 get_feed_access_key(-2, false, $owner_uid);
864
865 $p = new Publisher(PUBSUBHUBBUB_HUB);
866
867 $pubsub_result = $p->publish_update($rss_link);
868 }
869
870 $result = db_query(
871 "SELECT int_id FROM ttrss_user_entries WHERE
872 ref_id = '$ref_id' AND owner_uid = '$owner_uid' AND
873 feed_id = '$feed' LIMIT 1");
874
875 if (db_num_rows($result) == 1) {
876 $entry_int_id = db_fetch_result($result, 0, "int_id");
877 }
878 } else {
879 _debug("user record FOUND", $debug_enabled);
880
881 $entry_ref_id = db_fetch_result($result, 0, "ref_id");
882 $entry_int_id = db_fetch_result($result, 0, "int_id");
883 }
884
885 _debug("RID: $entry_ref_id, IID: $entry_int_id", $debug_enabled);
886
887 $post_needs_update = false;
888 $update_insignificant = false;
889
890 if ($orig_num_comments != $num_comments) {
891 $post_needs_update = true;
892 $update_insignificant = true;
893 }
894
895 if ($entry_plugin_data != $orig_plugin_data) {
896 $post_needs_update = true;
897 $update_insignificant = true;
898 }
899
900 if ($content_hash != $orig_content_hash) {
901 $post_needs_update = true;
902 $update_insignificant = false;
903 }
904
905 if (db_escape_string($orig_title) != $entry_title) {
906 $post_needs_update = true;
907 $update_insignificant = false;
908 }
909
910 // if post needs update, update it and mark all user entries
911 // linking to this post as updated
912 if ($post_needs_update) {
913
914 if (defined('DAEMON_EXTENDED_DEBUG')) {
915 _debug("post $entry_guid_hashed needs update...", $debug_enabled);
916 }
917
918 // print "<!-- post $orig_title needs update : $post_needs_update -->";
919
920 db_query("UPDATE ttrss_entries
921 SET title = '$entry_title', content = '$entry_content',
922 content_hash = '$content_hash',
923 updated = '$entry_timestamp_fmt',
924 num_comments = '$num_comments',
925 plugin_data = '$entry_plugin_data'
926 WHERE id = '$ref_id'");
927
928 if (!$update_insignificant) {
929 if ($mark_unread_on_update) {
930 db_query("UPDATE ttrss_user_entries
931 SET last_read = null, unread = true WHERE ref_id = '$ref_id'");
932 }
933 }
934 }
935 }
936
937 db_query("COMMIT");
938
939 _debug("assigning labels...", $debug_enabled);
940
941 assign_article_to_label_filters($entry_ref_id, $article_filters,
942 $owner_uid, $article_labels);
943
944 _debug("looking for enclosures...", $debug_enabled);
945
946 // enclosures
947
948 $enclosures = array();
949
950 $encs = $item->get_enclosures();
951
952 if (is_array($encs)) {
953 foreach ($encs as $e) {
954 $e_item = array(
955 $e->link, $e->type, $e->length);
956 array_push($enclosures, $e_item);
957 }
958 }
959
960 if ($debug_enabled) {
961 _debug("article enclosures:", $debug_enabled);
962 print_r($enclosures);
963 }
964
965 db_query("BEGIN");
966
967 foreach ($enclosures as $enc) {
968 $enc_url = db_escape_string($enc[0]);
969 $enc_type = db_escape_string($enc[1]);
970 $enc_dur = db_escape_string($enc[2]);
971
972 $result = db_query("SELECT id FROM ttrss_enclosures
973 WHERE content_url = '$enc_url' AND post_id = '$entry_ref_id'");
974
975 if (db_num_rows($result) == 0) {
976 db_query("INSERT INTO ttrss_enclosures
977 (content_url, content_type, title, duration, post_id) VALUES
978 ('$enc_url', '$enc_type', '', '$enc_dur', '$entry_ref_id')");
979 }
980 }
981
982 db_query("COMMIT");
983
984 // check for manual tags (we have to do it here since they're loaded from filters)
985
986 foreach ($article_filters as $f) {
987 if ($f["type"] == "tag") {
988
989 $manual_tags = trim_array(explode(",", $f["param"]));
990
991 foreach ($manual_tags as $tag) {
992 if (tag_is_valid($tag)) {
993 array_push($entry_tags, $tag);
994 }
995 }
996 }
997 }
998
999 // Skip boring tags
1000
1001 $boring_tags = trim_array(explode(",", mb_strtolower(get_pref(
1002 'BLACKLISTED_TAGS', $owner_uid, ''), 'utf-8')));
1003
1004 $filtered_tags = array();
1005 $tags_to_cache = array();
1006
1007 if ($entry_tags && is_array($entry_tags)) {
1008 foreach ($entry_tags as $tag) {
1009 if (array_search($tag, $boring_tags) === false) {
1010 array_push($filtered_tags, $tag);
1011 }
1012 }
1013 }
1014
1015 $filtered_tags = array_unique($filtered_tags);
1016
1017 if ($debug_enabled) {
1018 _debug("filtered article tags:", $debug_enabled);
1019 print_r($filtered_tags);
1020 }
1021
1022 // Save article tags in the database
1023
1024 if (count($filtered_tags) > 0) {
1025
1026 db_query("BEGIN");
1027
1028 foreach ($filtered_tags as $tag) {
1029
1030 $tag = sanitize_tag($tag);
1031 $tag = db_escape_string($tag);
1032
1033 if (!tag_is_valid($tag)) continue;
1034
1035 $result = db_query("SELECT id FROM ttrss_tags
1036 WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND
1037 owner_uid = '$owner_uid' LIMIT 1");
1038
1039 if ($result && db_num_rows($result) == 0) {
1040
1041 db_query("INSERT INTO ttrss_tags
1042 (owner_uid,tag_name,post_int_id)
1043 VALUES ('$owner_uid','$tag', '$entry_int_id')");
1044 }
1045
1046 array_push($tags_to_cache, $tag);
1047 }
1048
1049 /* update the cache */
1050
1051 $tags_to_cache = array_unique($tags_to_cache);
1052
1053 $tags_str = db_escape_string(join(",", $tags_to_cache));
1054
1055 db_query("UPDATE ttrss_user_entries
1056 SET tag_cache = '$tags_str' WHERE ref_id = '$entry_ref_id'
1057 AND owner_uid = $owner_uid");
1058
1059 db_query("COMMIT");
1060 }
1061
1062 if (get_pref("AUTO_ASSIGN_LABELS", $owner_uid, false)) {
1063 _debug("auto-assigning labels...", $debug_enabled);
1064
1065 foreach ($labels as $label) {
1066 $caption = preg_quote($label["caption"]);
1067
1068 if ($caption && preg_match("/\b$caption\b/i", "$tags_str " . strip_tags($entry_content) . " $entry_title")) {
1069 if (!labels_contains_caption($article_labels, $caption)) {
1070 label_add_article($entry_ref_id, $caption, $owner_uid);
1071 }
1072 }
1073 }
1074 }
1075
1076 _debug("article processed", $debug_enabled);
1077 }
1078
1079 if (!$last_updated) {
1080 _debug("new feed, catching it up...", $debug_enabled);
1081 catchup_feed($feed, false, $owner_uid);
1082 }
1083
1084 _debug("purging feed...", $debug_enabled);
1085
1086 purge_feed($feed, 0, $debug_enabled);
1087
1088 db_query("UPDATE ttrss_feeds
1089 SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
1090
1091 // db_query("COMMIT");
1092
1093 } else {
1094
1095 $error_msg = db_escape_string(mb_substr($rss->error(), 0, 245));
1096
1097 _debug("error fetching feed: $error_msg", $debug_enabled);
1098
1099 db_query(
1100 "UPDATE ttrss_feeds SET last_error = '$error_msg',
1101 last_updated = NOW() WHERE id = '$feed'");
1102 }
1103
1104 unset($rss);
1105
1106 _debug("done", $debug_enabled);
1107 }
1108
1109 function cache_images($html, $site_url, $debug) {
1110 $cache_dir = CACHE_DIR . "/images";
1111
1112 libxml_use_internal_errors(true);
1113
1114 $charset_hack = '<head>
1115 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
1116 </head>';
1117
1118 $doc = new DOMDocument();
1119 $doc->loadHTML($charset_hack . $html);
1120 $xpath = new DOMXPath($doc);
1121
1122 $entries = $xpath->query('(//img[@src])');
1123
1124 foreach ($entries as $entry) {
1125 if ($entry->hasAttribute('src')) {
1126 $src = rewrite_relative_url($site_url, $entry->getAttribute('src'));
1127
1128 $local_filename = CACHE_DIR . "/images/" . sha1($src) . ".png";
1129
1130 if ($debug) _debug("cache_images: downloading: $src to $local_filename");
1131
1132 if (!file_exists($local_filename)) {
1133 $file_content = fetch_file_contents($src);
1134
1135 if ($file_content && strlen($file_content) > 1024) {
1136 file_put_contents($local_filename, $file_content);
1137 }
1138 }
1139
1140 if (file_exists($local_filename)) {
1141 $entry->setAttribute('src', SELF_URL_PATH . '/image.php?url=' .
1142 base64_encode($src));
1143 }
1144 }
1145 }
1146
1147 $node = $doc->getElementsByTagName('body')->item(0);
1148
1149 return $doc->saveXML($node);
1150 }
1151
1152 function expire_error_log($debug) {
1153 if ($debug) _debug("Removing old error log entries...");
1154
1155 if (DB_TYPE == "pgsql") {
1156 db_query("DELETE FROM ttrss_error_log
1157 WHERE created_at < NOW() - INTERVAL '7 days'");
1158 } else {
1159 db_query("DELETE FROM ttrss_error_log
1160 WHERE created_at < DATE_SUB(NOW(), INTERVAL 7 DAY)");
1161 }
1162
1163 }
1164
1165 function expire_lock_files($debug) {
1166 //if ($debug) _debug("Removing old lock files...");
1167
1168 $num_deleted = 0;
1169
1170 if (is_writable(LOCK_DIRECTORY)) {
1171 $files = glob(LOCK_DIRECTORY . "/*.lock");
1172
1173 if ($files) {
1174 foreach ($files as $file) {
1175 if (!file_is_locked(basename($file)) && time() - filemtime($file) > 86400*2) {
1176 unlink($file);
1177 ++$num_deleted;
1178 }
1179 }
1180 }
1181 }
1182
1183 if ($debug) _debug("Removed $num_deleted old lock files.");
1184 }
1185
1186 function expire_cached_files($debug) {
1187 foreach (array("simplepie", "images", "export", "upload") as $dir) {
1188 $cache_dir = CACHE_DIR . "/$dir";
1189
1190 // if ($debug) _debug("Expiring $cache_dir");
1191
1192 $num_deleted = 0;
1193
1194 if (is_writable($cache_dir)) {
1195 $files = glob("$cache_dir/*");
1196
1197 if ($files) {
1198 foreach ($files as $file) {
1199 if (time() - filemtime($file) > 86400*7) {
1200 unlink($file);
1201
1202 ++$num_deleted;
1203 }
1204 }
1205 }
1206 }
1207
1208 if ($debug) _debug("$cache_dir: removed $num_deleted files.");
1209 }
1210 }
1211
1212 /**
1213 * Source: http://www.php.net/manual/en/function.parse-url.php#104527
1214 * Returns the url query as associative array
1215 *
1216 * @param string query
1217 * @return array params
1218 */
1219 function convertUrlQuery($query) {
1220 $queryParts = explode('&', $query);
1221
1222 $params = array();
1223
1224 foreach ($queryParts as $param) {
1225 $item = explode('=', $param);
1226 $params[$item[0]] = $item[1];
1227 }
1228
1229 return $params;
1230 }
1231
1232 function get_article_filters($filters, $title, $content, $link, $timestamp, $author, $tags) {
1233 $matches = array();
1234
1235 foreach ($filters as $filter) {
1236 $match_any_rule = $filter["match_any_rule"];
1237 $inverse = $filter["inverse"];
1238 $filter_match = false;
1239
1240 foreach ($filter["rules"] as $rule) {
1241 $match = false;
1242 $reg_exp = str_replace('/', '\/', $rule["reg_exp"]);
1243 $rule_inverse = $rule["inverse"];
1244
1245 if (!$reg_exp)
1246 continue;
1247
1248 switch ($rule["type"]) {
1249 case "title":
1250 $match = @preg_match("/$reg_exp/i", $title);
1251 break;
1252 case "content":
1253 // we don't need to deal with multiline regexps
1254 $content = preg_replace("/[\r\n\t]/", "", $content);
1255
1256 $match = @preg_match("/$reg_exp/i", $content);
1257 break;
1258 case "both":
1259 // we don't need to deal with multiline regexps
1260 $content = preg_replace("/[\r\n\t]/", "", $content);
1261
1262 $match = (@preg_match("/$reg_exp/i", $title) || @preg_match("/$reg_exp/i", $content));
1263 break;
1264 case "link":
1265 $match = @preg_match("/$reg_exp/i", $link);
1266 break;
1267 case "author":
1268 $match = @preg_match("/$reg_exp/i", $author);
1269 break;
1270 case "tag":
1271 foreach ($tags as $tag) {
1272 if (@preg_match("/$reg_exp/i", $tag)) {
1273 $match = true;
1274 break;
1275 }
1276 }
1277 break;
1278 }
1279
1280 if ($rule_inverse) $match = !$match;
1281
1282 if ($match_any_rule) {
1283 if ($match) {
1284 $filter_match = true;
1285 break;
1286 }
1287 } else {
1288 $filter_match = $match;
1289 if (!$match) {
1290 break;
1291 }
1292 }
1293 }
1294
1295 if ($inverse) $filter_match = !$filter_match;
1296
1297 if ($filter_match) {
1298 foreach ($filter["actions"] AS $action) {
1299 array_push($matches, $action);
1300
1301 // if Stop action encountered, perform no further processing
1302 if ($action["type"] == "stop") return $matches;
1303 }
1304 }
1305 }
1306
1307 return $matches;
1308 }
1309
1310 function find_article_filter($filters, $filter_name) {
1311 foreach ($filters as $f) {
1312 if ($f["type"] == $filter_name) {
1313 return $f;
1314 };
1315 }
1316 return false;
1317 }
1318
1319 function find_article_filters($filters, $filter_name) {
1320 $results = array();
1321
1322 foreach ($filters as $f) {
1323 if ($f["type"] == $filter_name) {
1324 array_push($results, $f);
1325 };
1326 }
1327 return $results;
1328 }
1329
1330 function calculate_article_score($filters) {
1331 $score = 0;
1332
1333 foreach ($filters as $f) {
1334 if ($f["type"] == "score") {
1335 $score += $f["param"];
1336 };
1337 }
1338 return $score;
1339 }
1340
1341 function labels_contains_caption($labels, $caption) {
1342 foreach ($labels as $label) {
1343 if ($label[1] == $caption) {
1344 return true;
1345 }
1346 }
1347
1348 return false;
1349 }
1350
1351 function assign_article_to_label_filters($id, $filters, $owner_uid, $article_labels) {
1352 foreach ($filters as $f) {
1353 if ($f["type"] == "label") {
1354 if (!labels_contains_caption($article_labels, $f["param"])) {
1355 label_add_article($id, $f["param"], $owner_uid);
1356 }
1357 }
1358 }
1359 }
1360
1361 function make_guid_from_title($title) {
1362 return preg_replace("/[ \"\',.:;]/", "-",
1363 mb_strtolower(strip_tags($title), 'utf-8'));
1364 }
1365
1366 function verify_feed_xml($feed_data) {
1367 libxml_use_internal_errors(true);
1368 $doc = new DOMDocument();
1369 $doc->loadXML($feed_data);
1370 $error = libxml_get_last_error();
1371 libxml_clear_errors();
1372 return $error;
1373 }
1374
1375 function housekeeping_common($debug) {
1376 expire_cached_files($debug);
1377 expire_lock_files($debug);
1378 expire_error_log($debug);
1379
1380 $count = update_feedbrowser_cache();
1381 _debug("Feedbrowser updated, $count feeds processed.");
1382
1383 purge_orphans( true);
1384 $rc = cleanup_tags( 14, 50000);
1385
1386 _debug("Cleaned $rc cached tags.");
1387 }
1388 ?>
web-based news feed (RSS/Atom) reader and aggregator; see https://tt-rss.org/