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[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 exceeded).
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 AND ttrss_user_prefs.value != '-1')
93 OR (last_updated = '1970-01-01 00:00:00'
94 AND ttrss_user_prefs.value != '-1'))";
95 } else {
96 $update_limit_qpart = "AND ((
97 ttrss_feeds.update_interval = 0
98 AND ttrss_user_prefs.value != '-1'
99 AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL CONVERT(ttrss_user_prefs.value, SIGNED INTEGER) MINUTE)
100 ) OR (
101 ttrss_feeds.update_interval > 0
102 AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL ttrss_feeds.update_interval MINUTE)
103 ) OR (ttrss_feeds.last_updated IS NULL
104 AND ttrss_user_prefs.value != '-1')
105 OR (last_updated = '1970-01-01 00:00:00'
106 AND ttrss_user_prefs.value != '-1'))";
107 }
108
109 // Test if feed is currently being updated by another process.
110 if (DB_TYPE == "pgsql") {
111 $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '10 minutes')";
112 } else {
113 $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 10 MINUTE))";
114 }
115
116 // Test if there is a limit to number of updated feeds
117 $query_limit = "";
118 if($limit) $query_limit = sprintf("LIMIT %d", $limit);
119
120 $query = "SELECT DISTINCT ttrss_feeds.feed_url, ttrss_feeds.last_updated
121 FROM
122 ttrss_feeds, ttrss_users, ttrss_user_prefs
123 WHERE
124 ttrss_feeds.owner_uid = ttrss_users.id
125 AND ttrss_user_prefs.profile IS NULL
126 AND ttrss_users.id = ttrss_user_prefs.owner_uid
127 AND ttrss_user_prefs.pref_name = 'DEFAULT_UPDATE_INTERVAL'
128 $login_thresh_qpart $update_limit_qpart
129 $updstart_thresh_qpart
130 ORDER BY last_updated $query_limit";
131
132 // We search for feed needing update.
133 $result = db_query($query);
134
135 if($debug) _debug(sprintf("Scheduled %d feeds to update...", db_num_rows($result)));
136
137 // Here is a little cache magic in order to minimize risk of double feed updates.
138 $feeds_to_update = array();
139 while ($line = db_fetch_assoc($result)) {
140 array_push($feeds_to_update, db_escape_string($line['feed_url']));
141 }
142
143 // We update the feed last update started date before anything else.
144 // There is no lag due to feed contents downloads
145 // It prevent an other process to update the same feed.
146
147 if(count($feeds_to_update) > 0) {
148 $feeds_quoted = array();
149
150 foreach ($feeds_to_update as $feed) {
151 array_push($feeds_quoted, "'" . db_escape_string($feed) . "'");
152 }
153
154 db_query(sprintf("UPDATE ttrss_feeds SET last_update_started = NOW()
155 WHERE feed_url IN (%s)", implode(',', $feeds_quoted)));
156 }
157
158 $nf = 0;
159
160 // For each feed, we call the feed update function.
161 foreach ($feeds_to_update as $feed) {
162 if($debug) _debug("Base feed: $feed");
163
164 //update_rss_feed($line["id"], true);
165
166 // since we have the data cached, we can deal with other feeds with the same url
167
168 $tmp_result = db_query("SELECT DISTINCT ttrss_feeds.id,last_updated,ttrss_feeds.owner_uid
169 FROM ttrss_feeds, ttrss_users, ttrss_user_prefs WHERE
170 ttrss_user_prefs.owner_uid = ttrss_feeds.owner_uid AND
171 ttrss_users.id = ttrss_user_prefs.owner_uid AND
172 ttrss_user_prefs.pref_name = 'DEFAULT_UPDATE_INTERVAL' AND
173 ttrss_user_prefs.profile IS NULL AND
174 feed_url = '".db_escape_string($feed)."' AND
175 (ttrss_feeds.update_interval > 0 OR
176 ttrss_user_prefs.value != '-1')
177 $login_thresh_qpart
178 ORDER BY ttrss_feeds.id $query_limit");
179
180 if (db_num_rows($tmp_result) > 0) {
181 $rss = false;
182
183 while ($tline = db_fetch_assoc($tmp_result)) {
184 if($debug) _debug(" => " . $tline["last_updated"] . ", " . $tline["id"] . " " . $tline["owner_uid"]);
185
186 $rss = update_rss_feed($tline["id"], true, false);
187 _debug_suppress(false);
188 ++$nf;
189 }
190 }
191 }
192
193 require_once "digest.php";
194
195 // Send feed digests by email if needed.
196 send_headlines_digests($debug);
197
198 return $nf;
199
200 } // function update_daemon_common
201
202 // ignore_daemon is not used
203 function update_rss_feed($feed, $ignore_daemon = false, $no_cache = false, $rss = false) {
204
205 $debug_enabled = defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug'];
206
207 _debug_suppress(!$debug_enabled);
208 _debug("start", $debug_enabled);
209
210 $result = db_query("SELECT id,update_interval,auth_login,
211 feed_url,auth_pass,cache_images,
212 mark_unread_on_update, owner_uid,
213 pubsub_state, auth_pass_encrypted,
214 (SELECT max(date_entered) FROM
215 ttrss_entries, ttrss_user_entries where ref_id = id AND feed_id = '$feed') AS last_article_timestamp
216 FROM ttrss_feeds WHERE id = '$feed'");
217
218 if (db_num_rows($result) == 0) {
219 _debug("feed $feed NOT FOUND/SKIPPED", $debug_enabled);
220 return false;
221 }
222
223 $last_article_timestamp = @strtotime(db_fetch_result($result, 0, "last_article_timestamp"));
224
225 if (defined('_DISABLE_HTTP_304'))
226 $last_article_timestamp = 0;
227
228 $owner_uid = db_fetch_result($result, 0, "owner_uid");
229 $mark_unread_on_update = sql_bool_to_bool(db_fetch_result($result,
230 0, "mark_unread_on_update"));
231 $pubsub_state = db_fetch_result($result, 0, "pubsub_state");
232 $auth_pass_encrypted = sql_bool_to_bool(db_fetch_result($result,
233 0, "auth_pass_encrypted"));
234
235 db_query("UPDATE ttrss_feeds SET last_update_started = NOW()
236 WHERE id = '$feed'");
237
238 $auth_login = db_fetch_result($result, 0, "auth_login");
239 $auth_pass = db_fetch_result($result, 0, "auth_pass");
240
241 if ($auth_pass_encrypted) {
242 require_once "crypt.php";
243 $auth_pass = decrypt_string($auth_pass);
244 }
245
246 $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images"));
247 $fetch_url = db_fetch_result($result, 0, "feed_url");
248
249 $feed = db_escape_string($feed);
250
251 $date_feed_processed = date('Y-m-d H:i');
252
253 $cache_filename = CACHE_DIR . "/simplepie/" . sha1($fetch_url) . ".xml";
254
255 $pluginhost = new PluginHost();
256 $pluginhost->set_debug($debug_enabled);
257 $user_plugins = get_pref("_ENABLED_PLUGINS", $owner_uid);
258
259 $pluginhost->load(PLUGINS, PluginHost::KIND_ALL);
260 $pluginhost->load($user_plugins, PluginHost::KIND_USER, $owner_uid);
261 $pluginhost->load_data();
262
263 if ($rss && is_object($rss) && get_class($rss) == "FeedParser") {
264 _debug("using previously initialized parser object");
265 } else {
266 $rss_hash = false;
267
268 $force_refetch = isset($_REQUEST["force_refetch"]);
269
270 foreach ($pluginhost->get_hooks(PluginHost::HOOK_FETCH_FEED) as $plugin) {
271 $feed_data = $plugin->hook_fetch_feed($feed_data, $fetch_url, $owner_uid, $feed, $last_article_timestamp, $auth_login, $auth_pass);
272 }
273
274 // try cache
275 if (!$feed_data &&
276 file_exists($cache_filename) &&
277 is_readable($cache_filename) &&
278 !$auth_login && !$auth_pass &&
279 filemtime($cache_filename) > time() - 30) {
280
281 _debug("using local cache [$cache_filename].", $debug_enabled);
282
283 @$feed_data = file_get_contents($cache_filename);
284
285 if ($feed_data) {
286 $rss_hash = sha1($feed_data);
287 }
288
289 } else {
290 _debug("local cache will not be used for this feed", $debug_enabled);
291 }
292
293 // fetch feed from source
294 if (!$feed_data) {
295 _debug("fetching [$fetch_url]...", $debug_enabled);
296 _debug("If-Modified-Since: ".gmdate('D, d M Y H:i:s \G\M\T', $last_article_timestamp), $debug_enabled);
297
298 $feed_data = fetch_file_contents($fetch_url, false,
299 $auth_login, $auth_pass, false,
300 $no_cache ? FEED_FETCH_NO_CACHE_TIMEOUT : FEED_FETCH_TIMEOUT,
301 $force_refetch ? 0 : $last_article_timestamp);
302
303 global $fetch_curl_used;
304
305 if (!$fetch_curl_used) {
306 $tmp = @gzdecode($feed_data);
307
308 if ($tmp) $feed_data = $tmp;
309 }
310
311 $feed_data = trim($feed_data);
312
313 _debug("fetch done.", $debug_enabled);
314
315 /* if ($feed_data) {
316 $error = verify_feed_xml($feed_data);
317
318 if ($error) {
319 _debug("error verifying XML, code: " . $error->code, $debug_enabled);
320
321 if ($error->code == 26) {
322 _debug("got error 26, trying to decode entities...", $debug_enabled);
323
324 $feed_data = html_entity_decode($feed_data, ENT_COMPAT, 'UTF-8');
325
326 $error = verify_feed_xml($feed_data);
327
328 if ($error) $feed_data = '';
329 }
330 }
331 } */
332
333 // cache vanilla feed data for re-use
334 if ($feed_data && !$auth_pass && !$auth_login && is_writable(CACHE_DIR . "/simplepie")) {
335 $new_rss_hash = sha1($feed_data);
336
337 if ($new_rss_hash != $rss_hash) {
338 _debug("saving $cache_filename", $debug_enabled);
339 @file_put_contents($cache_filename, $feed_data);
340 }
341 }
342 }
343
344 if (!$feed_data) {
345 global $fetch_last_error;
346 global $fetch_last_error_code;
347
348 _debug("unable to fetch: $fetch_last_error [$fetch_last_error_code]", $debug_enabled);
349
350 $error_escaped = '';
351
352 // If-Modified-Since
353 if ($fetch_last_error_code != 304) {
354 $error_escaped = db_escape_string($fetch_last_error);
355 } else {
356 _debug("source claims data not modified, nothing to do.", $debug_enabled);
357 }
358
359 db_query(
360 "UPDATE ttrss_feeds SET last_error = '$error_escaped',
361 last_updated = NOW() WHERE id = '$feed'");
362
363 return;
364 }
365 }
366
367 foreach ($pluginhost->get_hooks(PluginHost::HOOK_FEED_FETCHED) as $plugin) {
368 $feed_data = $plugin->hook_feed_fetched($feed_data, $fetch_url, $owner_uid, $feed);
369 }
370
371 // set last update to now so if anything *simplepie* crashes later we won't be
372 // continuously failing on the same feed
373 //db_query("UPDATE ttrss_feeds SET last_updated = NOW() WHERE id = '$feed'");
374
375 if (!$rss) {
376 $rss = new FeedParser($feed_data);
377 $rss->init();
378 }
379
380 if (DETECT_ARTICLE_LANGUAGE) {
381 require_once "lib/languagedetect/LanguageDetect.php";
382
383 $lang = new Text_LanguageDetect();
384 $lang->setNameMode(2);
385 }
386
387 // print_r($rss);
388
389 $feed = db_escape_string($feed);
390
391 if (!$rss->error()) {
392
393 // We use local pluginhost here because we need to load different per-user feed plugins
394 $pluginhost->run_hooks(PluginHost::HOOK_FEED_PARSED, "hook_feed_parsed", $rss);
395
396 _debug("processing feed data...", $debug_enabled);
397
398 // db_query("BEGIN");
399
400 if (DB_TYPE == "pgsql") {
401 $favicon_interval_qpart = "favicon_last_checked < NOW() - INTERVAL '12 hour'";
402 } else {
403 $favicon_interval_qpart = "favicon_last_checked < DATE_SUB(NOW(), INTERVAL 12 HOUR)";
404 }
405
406 $result = db_query("SELECT title,site_url,owner_uid,favicon_avg_color,
407 (favicon_last_checked IS NULL OR $favicon_interval_qpart) AS
408 favicon_needs_check
409 FROM ttrss_feeds WHERE id = '$feed'");
410
411 $registered_title = db_fetch_result($result, 0, "title");
412 $orig_site_url = db_fetch_result($result, 0, "site_url");
413 $favicon_needs_check = sql_bool_to_bool(db_fetch_result($result, 0,
414 "favicon_needs_check"));
415 $favicon_avg_color = db_fetch_result($result, 0, "favicon_avg_color");
416
417 $owner_uid = db_fetch_result($result, 0, "owner_uid");
418
419 $site_url = db_escape_string(mb_substr(rewrite_relative_url($fetch_url, $rss->get_link()), 0, 245));
420
421 _debug("site_url: $site_url", $debug_enabled);
422 _debug("feed_title: " . $rss->get_title(), $debug_enabled);
423
424 if ($favicon_needs_check || $force_refetch) {
425
426 /* terrible hack: if we crash on floicon shit here, we won't check
427 * the icon avgcolor again (unless the icon got updated) */
428
429 $favicon_file = ICONS_DIR . "/$feed.ico";
430 $favicon_modified = @filemtime($favicon_file);
431
432 _debug("checking favicon...", $debug_enabled);
433
434 check_feed_favicon($site_url, $feed);
435 $favicon_modified_new = @filemtime($favicon_file);
436
437 if ($favicon_modified_new > $favicon_modified)
438 $favicon_avg_color = '';
439
440 if (file_exists($favicon_file) && function_exists("imagecreatefromstring") && $favicon_avg_color == '') {
441 require_once "colors.php";
442
443 db_query("UPDATE ttrss_feeds SET favicon_avg_color = 'fail' WHERE
444 id = '$feed'");
445
446 $favicon_color = db_escape_string(
447 calculate_avg_color($favicon_file));
448
449 $favicon_colorstring = ",favicon_avg_color = '".$favicon_color."'";
450 } else if ($favicon_avg_color == 'fail') {
451 _debug("floicon failed on this file, not trying to recalculate avg color", $debug_enabled);
452 }
453
454 db_query("UPDATE ttrss_feeds SET favicon_last_checked = NOW()
455 $favicon_colorstring
456 WHERE id = '$feed'");
457 }
458
459 if (!$registered_title || $registered_title == "[Unknown]") {
460
461 $feed_title = db_escape_string($rss->get_title());
462
463 if ($feed_title) {
464 _debug("registering title: $feed_title", $debug_enabled);
465
466 db_query("UPDATE ttrss_feeds SET
467 title = '$feed_title' WHERE id = '$feed'");
468 }
469 }
470
471 if ($site_url && $orig_site_url != $site_url) {
472 db_query("UPDATE ttrss_feeds SET
473 site_url = '$site_url' WHERE id = '$feed'");
474 }
475
476 _debug("loading filters & labels...", $debug_enabled);
477
478 $filters = load_filters($feed, $owner_uid);
479 $labels = get_all_labels($owner_uid);
480
481 _debug("" . count($filters) . " filters loaded.", $debug_enabled);
482
483 $items = $rss->get_items();
484
485 if (!is_array($items)) {
486 _debug("no articles found.", $debug_enabled);
487
488 db_query("UPDATE ttrss_feeds
489 SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
490
491 return; // no articles
492 }
493
494 if ($pubsub_state != 2 && PUBSUBHUBBUB_ENABLED) {
495
496 _debug("checking for PUSH hub...", $debug_enabled);
497
498 $feed_hub_url = false;
499
500 $links = $rss->get_links('hub');
501
502 if ($links && is_array($links)) {
503 foreach ($links as $l) {
504 $feed_hub_url = $l;
505 break;
506 }
507 }
508
509 _debug("feed hub url: $feed_hub_url", $debug_enabled);
510
511 $feed_self_url = $fetch_url;
512
513 $links = $rss->get_links('self');
514
515 if ($links && is_array($links)) {
516 foreach ($links as $l) {
517 $feed_self_url = $l;
518 break;
519 }
520 }
521
522 _debug("feed self url = $feed_self_url");
523
524 if ($feed_hub_url && $feed_self_url && function_exists('curl_init') &&
525 !ini_get("open_basedir")) {
526
527 require_once 'lib/pubsubhubbub/subscriber.php';
528
529 $callback_url = get_self_url_prefix() .
530 "/public.php?op=pubsub&id=$feed";
531
532 $s = new Subscriber($feed_hub_url, $callback_url);
533
534 $rc = $s->subscribe($feed_self_url);
535
536 _debug("feed hub url found, subscribe request sent. [rc=$rc]", $debug_enabled);
537
538 db_query("UPDATE ttrss_feeds SET pubsub_state = 1
539 WHERE id = '$feed'");
540 }
541 }
542
543 _debug("processing articles...", $debug_enabled);
544
545 foreach ($items as $item) {
546 if ($_REQUEST['xdebug'] == 3) {
547 print_r($item);
548 }
549
550 $entry_guid = $item->get_id();
551 if (!$entry_guid) $entry_guid = $item->get_link();
552 if (!$entry_guid) $entry_guid = make_guid_from_title($item->get_title());
553
554 _debug("f_guid $entry_guid", $debug_enabled);
555
556 if (!$entry_guid) continue;
557
558 $entry_guid = "$owner_uid,$entry_guid";
559
560 $entry_guid_hashed = db_escape_string('SHA1:' . sha1($entry_guid));
561
562 _debug("guid $entry_guid / $entry_guid_hashed", $debug_enabled);
563
564 $entry_timestamp = "";
565
566 $entry_timestamp = $item->get_date();
567
568 _debug("orig date: " . $item->get_date(), $debug_enabled);
569
570 if ($entry_timestamp == -1 || !$entry_timestamp || $entry_timestamp > time()) {
571 $entry_timestamp = time();
572 }
573
574 $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
575
576 _debug("date $entry_timestamp [$entry_timestamp_fmt]", $debug_enabled);
577
578 // $entry_title = html_entity_decode($item->get_title(), ENT_COMPAT, 'UTF-8');
579 // $entry_title = decode_numeric_entities($entry_title);
580 $entry_title = $item->get_title();
581
582 $entry_link = rewrite_relative_url($site_url, $item->get_link());
583
584 _debug("title $entry_title", $debug_enabled);
585 _debug("link $entry_link", $debug_enabled);
586
587 if (!$entry_title) $entry_title = date("Y-m-d H:i:s", $entry_timestamp);;
588
589 $entry_content = $item->get_content();
590 if (!$entry_content) $entry_content = $item->get_description();
591
592 if ($_REQUEST["xdebug"] == 2) {
593 print "content: ";
594 print $entry_content;
595 print "\n";
596 }
597
598 $entry_language = "";
599
600 if (DETECT_ARTICLE_LANGUAGE) {
601 $entry_language = $lang->detect($entry_title . " " . $entry_content, 1);
602
603 if (count($entry_language) > 0) {
604 $entry_language = array_keys($entry_language);
605
606 // the fuck?
607 if (is_array($entry_language))
608 $entry_language = "";
609 else
610 $entry_language = db_escape_string(substr($entry_language[0], 0, 2));
611
612 _debug("detected language: $entry_language", $debug_enabled);
613 } else {
614 $entry_language = "";
615 }
616 }
617
618 $entry_comments = $item->get_comments_url();
619 $entry_author = $item->get_author();
620
621 $entry_guid = db_escape_string(mb_substr($entry_guid, 0, 245));
622
623 $entry_comments = db_escape_string(mb_substr(trim($entry_comments), 0, 245));
624 $entry_author = db_escape_string(mb_substr(trim($entry_author), 0, 245));
625
626 $num_comments = (int) $item->get_comments_count();
627
628 _debug("author $entry_author", $debug_enabled);
629 _debug("num_comments: $num_comments", $debug_enabled);
630 _debug("looking for tags...", $debug_enabled);
631
632 // parse <category> entries into tags
633
634 $additional_tags = array();
635
636 $additional_tags_src = $item->get_categories();
637
638 if (is_array($additional_tags_src)) {
639 foreach ($additional_tags_src as $tobj) {
640 array_push($additional_tags, $tobj);
641 }
642 }
643
644 $entry_tags = array_unique($additional_tags);
645
646 for ($i = 0; $i < count($entry_tags); $i++)
647 $entry_tags[$i] = mb_strtolower($entry_tags[$i], 'utf-8');
648
649 _debug("tags found: " . join(",", $entry_tags), $debug_enabled);
650
651 _debug("done collecting data.", $debug_enabled);
652
653 // TODO: less memory-hungry implementation
654
655 _debug("applying plugin filters..", $debug_enabled);
656
657 // FIXME not sure if owner_uid is a good idea here, we may have a base entry without user entry (?)
658 $result = db_query("SELECT plugin_data,title,content,link,tag_cache,author FROM ttrss_entries, ttrss_user_entries
659 WHERE ref_id = id AND (guid = '".db_escape_string($entry_guid)."' OR guid = '$entry_guid_hashed') AND owner_uid = $owner_uid");
660
661 if (db_num_rows($result) != 0) {
662 $entry_plugin_data = db_fetch_result($result, 0, "plugin_data");
663 $stored_article = array("title" => db_fetch_result($result, 0, "title"),
664 "content" => db_fetch_result($result, 0, "content"),
665 "link" => db_fetch_result($result, 0, "link"),
666 "tags" => explode(",", db_fetch_result($result, 0, "tag_cache")),
667 "author" => db_fetch_result($result, 0, "author"));
668 } else {
669 $entry_plugin_data = "";
670 $stored_article = array();
671 }
672
673 $article = array("owner_uid" => $owner_uid, // read only
674 "guid" => $entry_guid, // read only
675 "title" => $entry_title,
676 "content" => $entry_content,
677 "link" => $entry_link,
678 "tags" => $entry_tags,
679 "plugin_data" => $entry_plugin_data,
680 "author" => $entry_author,
681 "stored" => $stored_article,
682 "feed" => array("id" => $feed,
683 "fetch_url" => $fetch_url,
684 "site_url" => $site_url)
685 );
686
687 foreach ($pluginhost->get_hooks(PluginHost::HOOK_ARTICLE_FILTER) as $plugin) {
688 $article = $plugin->hook_article_filter($article);
689 }
690
691 $entry_tags = $article["tags"];
692 $entry_guid = db_escape_string($entry_guid);
693 $entry_title = db_escape_string($article["title"]);
694 $entry_author = db_escape_string($article["author"]);
695 $entry_link = db_escape_string($article["link"]);
696 $entry_plugin_data = db_escape_string($article["plugin_data"]);
697 $entry_content = $article["content"]; // escaped below
698
699
700 _debug("plugin data: $entry_plugin_data", $debug_enabled);
701
702 if ($cache_images && is_writable(CACHE_DIR . '/images'))
703 cache_images($entry_content, $site_url, $debug_enabled);
704
705 $entry_content = db_escape_string($entry_content, false);
706
707 $content_hash = "SHA1:" . sha1($entry_content);
708
709 db_query("BEGIN");
710
711 $result = db_query("SELECT id FROM ttrss_entries
712 WHERE (guid = '$entry_guid' OR guid = '$entry_guid_hashed')");
713
714 if (db_num_rows($result) == 0) {
715
716 _debug("base guid [$entry_guid] not found", $debug_enabled);
717
718 // base post entry does not exist, create it
719
720 $result = db_query(
721 "INSERT INTO ttrss_entries
722 (title,
723 guid,
724 link,
725 updated,
726 content,
727 content_hash,
728 no_orig_date,
729 date_updated,
730 date_entered,
731 comments,
732 num_comments,
733 plugin_data,
734 lang,
735 author)
736 VALUES
737 ('$entry_title',
738 '$entry_guid_hashed',
739 '$entry_link',
740 '$entry_timestamp_fmt',
741 '$entry_content',
742 '$content_hash',
743 false,
744 NOW(),
745 '$date_feed_processed',
746 '$entry_comments',
747 '$num_comments',
748 '$entry_plugin_data',
749 '$entry_language',
750 '$entry_author')");
751
752 $article_labels = array();
753
754 } else {
755 // we keep encountering the entry in feeds, so we need to
756 // update date_updated column so that we don't get horrible
757 // dupes when the entry gets purged and reinserted again e.g.
758 // in the case of SLOW SLOW OMG SLOW updating feeds
759
760 $base_entry_id = db_fetch_result($result, 0, "id");
761
762 db_query("UPDATE ttrss_entries SET date_updated = NOW()
763 WHERE id = '$base_entry_id'");
764
765 $article_labels = get_article_labels($base_entry_id, $owner_uid);
766 }
767
768 // now it should exist, if not - bad luck then
769
770 $result = db_query("SELECT
771 id,content_hash,title,plugin_data,guid,
772 num_comments
773 FROM
774 ttrss_entries
775 WHERE guid = '$entry_guid' OR guid = '$entry_guid_hashed'");
776
777 $entry_ref_id = 0;
778 $entry_int_id = 0;
779
780 if (db_num_rows($result) == 1) {
781
782 _debug("base guid found, checking for user record", $debug_enabled);
783
784 // this will be used below in update handler
785 $orig_content_hash = db_fetch_result($result, 0, "content_hash");
786 $orig_title = db_fetch_result($result, 0, "title");
787 $orig_num_comments = db_fetch_result($result, 0, "num_comments");
788 $orig_plugin_data = db_fetch_result($result, 0, "plugin_data");
789
790 $ref_id = db_fetch_result($result, 0, "id");
791 $entry_ref_id = $ref_id;
792
793 /* $stored_guid = db_fetch_result($result, 0, "guid");
794 if ($stored_guid != $entry_guid_hashed) {
795 if ($debug_enabled) _debug("upgrading compat guid to hashed one", $debug_enabled);
796
797 db_query("UPDATE ttrss_entries SET guid = '$entry_guid_hashed' WHERE
798 id = '$ref_id'");
799 } */
800
801 // check for user post link to main table
802
803 // do we allow duplicate posts with same GUID in different feeds?
804 if (get_pref("ALLOW_DUPLICATE_POSTS", $owner_uid, false)) {
805 $dupcheck_qpart = "AND (feed_id = '$feed' OR feed_id IS NULL)";
806 } else {
807 $dupcheck_qpart = "";
808 }
809
810 /* Collect article tags here so we could filter by them: */
811
812 $article_filters = get_article_filters($filters, $entry_title,
813 $entry_content, $entry_link, $entry_timestamp, $entry_author,
814 $entry_tags);
815
816 if ($debug_enabled) {
817 _debug("article filters: ", $debug_enabled);
818 if (count($article_filters) != 0) {
819 print_r($article_filters);
820 }
821 }
822
823 if (find_article_filter($article_filters, "filter")) {
824 db_query("COMMIT"); // close transaction in progress
825 continue;
826 }
827
828 $score = calculate_article_score($article_filters);
829
830 _debug("initial score: $score", $debug_enabled);
831
832 $query = "SELECT ref_id, int_id FROM ttrss_user_entries WHERE
833 ref_id = '$ref_id' AND owner_uid = '$owner_uid'
834 $dupcheck_qpart";
835
836 // if ($_REQUEST["xdebug"]) print "$query\n";
837
838 $result = db_query($query);
839
840 // okay it doesn't exist - create user entry
841 if (db_num_rows($result) == 0) {
842
843 _debug("user record not found, creating...", $debug_enabled);
844
845 if ($score >= -500 && !find_article_filter($article_filters, 'catchup')) {
846 $unread = 'true';
847 $last_read_qpart = 'NULL';
848 } else {
849 $unread = 'false';
850 $last_read_qpart = 'NOW()';
851 }
852
853 if (find_article_filter($article_filters, 'mark') || $score > 1000) {
854 $marked = 'true';
855 } else {
856 $marked = 'false';
857 }
858
859 if (find_article_filter($article_filters, 'publish')) {
860 $published = 'true';
861 } else {
862 $published = 'false';
863 }
864
865 // N-grams
866
867 if (DB_TYPE == "pgsql" and defined('_NGRAM_TITLE_DUPLICATE_THRESHOLD')) {
868
869 $result = db_query("SELECT COUNT(*) AS similar FROM
870 ttrss_entries,ttrss_user_entries
871 WHERE ref_id = id AND updated >= NOW() - INTERVAL '7 day'
872 AND similarity(title, '$entry_title') >= "._NGRAM_TITLE_DUPLICATE_THRESHOLD."
873 AND owner_uid = $owner_uid");
874
875 $ngram_similar = db_fetch_result($result, 0, "similar");
876
877 _debug("N-gram similar results: $ngram_similar", $debug_enabled);
878
879 if ($ngram_similar > 0) {
880 $unread = 'false';
881 }
882 }
883
884 $last_marked = ($marked == 'true') ? 'NOW()' : 'NULL';
885 $last_published = ($published == 'true') ? 'NOW()' : 'NULL';
886
887 $result = db_query(
888 "INSERT INTO ttrss_user_entries
889 (ref_id, owner_uid, feed_id, unread, last_read, marked,
890 published, score, tag_cache, label_cache, uuid,
891 last_marked, last_published)
892 VALUES ('$ref_id', '$owner_uid', '$feed', $unread,
893 $last_read_qpart, $marked, $published, '$score', '', '',
894 '', $last_marked, $last_published)");
895
896 if (PUBSUBHUBBUB_HUB && $published == 'true') {
897 $rss_link = get_self_url_prefix() .
898 "/public.php?op=rss&id=-2&key=" .
899 get_feed_access_key(-2, false, $owner_uid);
900
901 $p = new Publisher(PUBSUBHUBBUB_HUB);
902
903 /* $pubsub_result = */ $p->publish_update($rss_link);
904 }
905
906 $result = db_query(
907 "SELECT int_id FROM ttrss_user_entries WHERE
908 ref_id = '$ref_id' AND owner_uid = '$owner_uid' AND
909 feed_id = '$feed' LIMIT 1");
910
911 if (db_num_rows($result) == 1) {
912 $entry_int_id = db_fetch_result($result, 0, "int_id");
913 }
914 } else {
915 _debug("user record FOUND", $debug_enabled);
916
917 $entry_ref_id = db_fetch_result($result, 0, "ref_id");
918 $entry_int_id = db_fetch_result($result, 0, "int_id");
919 }
920
921 _debug("RID: $entry_ref_id, IID: $entry_int_id", $debug_enabled);
922
923 $post_needs_update = false;
924 $update_insignificant = false;
925
926 if ($orig_num_comments != $num_comments) {
927 $post_needs_update = true;
928 $update_insignificant = true;
929 }
930
931 if ($entry_plugin_data != $orig_plugin_data) {
932 $post_needs_update = true;
933 $update_insignificant = true;
934 }
935
936 if ($content_hash != $orig_content_hash) {
937 $post_needs_update = true;
938 $update_insignificant = false;
939 }
940
941 if (db_escape_string($orig_title) != $entry_title) {
942 $post_needs_update = true;
943 $update_insignificant = false;
944 }
945
946 // if post needs update, update it and mark all user entries
947 // linking to this post as updated
948 if ($post_needs_update) {
949
950 if (defined('DAEMON_EXTENDED_DEBUG')) {
951 _debug("post $entry_guid_hashed needs update...", $debug_enabled);
952 }
953
954 // print "<!-- post $orig_title needs update : $post_needs_update -->";
955
956 db_query("UPDATE ttrss_entries
957 SET title = '$entry_title', content = '$entry_content',
958 content_hash = '$content_hash',
959 updated = '$entry_timestamp_fmt',
960 num_comments = '$num_comments',
961 plugin_data = '$entry_plugin_data'
962 WHERE id = '$ref_id'");
963
964 if (!$update_insignificant) {
965 if ($mark_unread_on_update) {
966 db_query("UPDATE ttrss_user_entries
967 SET last_read = null, unread = true WHERE ref_id = '$ref_id'");
968 }
969 }
970 }
971 }
972
973 db_query("COMMIT");
974
975 _debug("assigning labels...", $debug_enabled);
976
977 assign_article_to_label_filters($entry_ref_id, $article_filters,
978 $owner_uid, $article_labels);
979
980 _debug("looking for enclosures...", $debug_enabled);
981
982 // enclosures
983
984 $enclosures = array();
985
986 $encs = $item->get_enclosures();
987
988 if (is_array($encs)) {
989 foreach ($encs as $e) {
990 $e_item = array(
991 $e->link, $e->type, $e->length, $e->title);
992 array_push($enclosures, $e_item);
993 }
994 }
995
996 if ($debug_enabled) {
997 _debug("article enclosures:", $debug_enabled);
998 print_r($enclosures);
999 }
1000
1001 db_query("BEGIN");
1002
1003 // debugging
1004 // db_query("DELETE FROM ttrss_enclosures WHERE post_id = '$entry_ref_id'");
1005
1006 foreach ($enclosures as $enc) {
1007 $enc_url = db_escape_string($enc[0]);
1008 $enc_type = db_escape_string($enc[1]);
1009 $enc_dur = db_escape_string($enc[2]);
1010 $enc_title = db_escape_string($enc[3]);
1011
1012 $result = db_query("SELECT id FROM ttrss_enclosures
1013 WHERE content_url = '$enc_url' AND post_id = '$entry_ref_id'");
1014
1015 if (db_num_rows($result) == 0) {
1016 db_query("INSERT INTO ttrss_enclosures
1017 (content_url, content_type, title, duration, post_id) VALUES
1018 ('$enc_url', '$enc_type', '$enc_title', '$enc_dur', '$entry_ref_id')");
1019 }
1020 }
1021
1022 db_query("COMMIT");
1023
1024 // check for manual tags (we have to do it here since they're loaded from filters)
1025
1026 foreach ($article_filters as $f) {
1027 if ($f["type"] == "tag") {
1028
1029 $manual_tags = trim_array(explode(",", $f["param"]));
1030
1031 foreach ($manual_tags as $tag) {
1032 if (tag_is_valid($tag)) {
1033 array_push($entry_tags, $tag);
1034 }
1035 }
1036 }
1037 }
1038
1039 // Skip boring tags
1040
1041 $boring_tags = trim_array(explode(",", mb_strtolower(get_pref(
1042 'BLACKLISTED_TAGS', $owner_uid, ''), 'utf-8')));
1043
1044 $filtered_tags = array();
1045 $tags_to_cache = array();
1046
1047 if ($entry_tags && is_array($entry_tags)) {
1048 foreach ($entry_tags as $tag) {
1049 if (array_search($tag, $boring_tags) === false) {
1050 array_push($filtered_tags, $tag);
1051 }
1052 }
1053 }
1054
1055 $filtered_tags = array_unique($filtered_tags);
1056
1057 if ($debug_enabled) {
1058 _debug("filtered article tags:", $debug_enabled);
1059 print_r($filtered_tags);
1060 }
1061
1062 // Save article tags in the database
1063
1064 if (count($filtered_tags) > 0) {
1065
1066 db_query("BEGIN");
1067
1068 foreach ($filtered_tags as $tag) {
1069
1070 $tag = sanitize_tag($tag);
1071 $tag = db_escape_string($tag);
1072
1073 if (!tag_is_valid($tag)) continue;
1074
1075 $result = db_query("SELECT id FROM ttrss_tags
1076 WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND
1077 owner_uid = '$owner_uid' LIMIT 1");
1078
1079 if ($result && db_num_rows($result) == 0) {
1080
1081 db_query("INSERT INTO ttrss_tags
1082 (owner_uid,tag_name,post_int_id)
1083 VALUES ('$owner_uid','$tag', '$entry_int_id')");
1084 }
1085
1086 array_push($tags_to_cache, $tag);
1087 }
1088
1089 /* update the cache */
1090
1091 $tags_to_cache = array_unique($tags_to_cache);
1092
1093 $tags_str = db_escape_string(join(",", $tags_to_cache));
1094
1095 db_query("UPDATE ttrss_user_entries
1096 SET tag_cache = '$tags_str' WHERE ref_id = '$entry_ref_id'
1097 AND owner_uid = $owner_uid");
1098
1099 db_query("COMMIT");
1100 }
1101
1102 if (get_pref("AUTO_ASSIGN_LABELS", $owner_uid, false)) {
1103 _debug("auto-assigning labels...", $debug_enabled);
1104
1105 foreach ($labels as $label) {
1106 $caption = preg_quote($label["caption"]);
1107
1108 if ($caption && preg_match("/\b$caption\b/i", "$tags_str " . strip_tags($entry_content) . " $entry_title")) {
1109 if (!labels_contains_caption($article_labels, $caption)) {
1110 label_add_article($entry_ref_id, $caption, $owner_uid);
1111 }
1112 }
1113 }
1114 }
1115
1116 _debug("article processed", $debug_enabled);
1117 }
1118
1119 _debug("purging feed...", $debug_enabled);
1120
1121 purge_feed($feed, 0, $debug_enabled);
1122
1123 db_query("UPDATE ttrss_feeds
1124 SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
1125
1126 // db_query("COMMIT");
1127
1128 } else {
1129
1130 $error_msg = db_escape_string(mb_substr($rss->error(), 0, 245));
1131
1132 _debug("fetch error: $error_msg", $debug_enabled);
1133
1134 if (count($rss->errors()) > 1) {
1135 foreach ($rss->errors() as $error) {
1136 _debug("+ $error");
1137 }
1138 }
1139
1140 db_query(
1141 "UPDATE ttrss_feeds SET last_error = '$error_msg',
1142 last_updated = NOW() WHERE id = '$feed'");
1143
1144 unset($rss);
1145 }
1146
1147 _debug("done", $debug_enabled);
1148
1149 return $rss;
1150 }
1151
1152 function cache_images($html, $site_url, $debug) {
1153 libxml_use_internal_errors(true);
1154
1155 $charset_hack = '<head>
1156 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
1157 </head>';
1158
1159 $doc = new DOMDocument();
1160 $doc->loadHTML($charset_hack . $html);
1161 $xpath = new DOMXPath($doc);
1162
1163 $entries = $xpath->query('(//img[@src])');
1164
1165 foreach ($entries as $entry) {
1166 if ($entry->hasAttribute('src')) {
1167 $src = rewrite_relative_url($site_url, $entry->getAttribute('src'));
1168
1169 $local_filename = CACHE_DIR . "/images/" . sha1($src) . ".png";
1170
1171 if ($debug) _debug("cache_images: downloading: $src to $local_filename");
1172
1173 if (!file_exists($local_filename)) {
1174 $file_content = fetch_file_contents($src);
1175
1176 if ($file_content && strlen($file_content) > 1024) {
1177 file_put_contents($local_filename, $file_content);
1178 }
1179 }
1180
1181 /* if (file_exists($local_filename)) {
1182 $entry->setAttribute('src', SELF_URL_PATH . '/image.php?url=' .
1183 base64_encode($src));
1184 } */
1185 }
1186 }
1187
1188 //$node = $doc->getElementsByTagName('body')->item(0);
1189 //return $doc->saveXML($node);
1190 }
1191
1192 function expire_error_log($debug) {
1193 if ($debug) _debug("Removing old error log entries...");
1194
1195 if (DB_TYPE == "pgsql") {
1196 db_query("DELETE FROM ttrss_error_log
1197 WHERE created_at < NOW() - INTERVAL '7 days'");
1198 } else {
1199 db_query("DELETE FROM ttrss_error_log
1200 WHERE created_at < DATE_SUB(NOW(), INTERVAL 7 DAY)");
1201 }
1202
1203 }
1204
1205 function expire_lock_files($debug) {
1206 //if ($debug) _debug("Removing old lock files...");
1207
1208 $num_deleted = 0;
1209
1210 if (is_writable(LOCK_DIRECTORY)) {
1211 $files = glob(LOCK_DIRECTORY . "/*.lock");
1212
1213 if ($files) {
1214 foreach ($files as $file) {
1215 if (!file_is_locked(basename($file)) && time() - filemtime($file) > 86400*2) {
1216 unlink($file);
1217 ++$num_deleted;
1218 }
1219 }
1220 }
1221 }
1222
1223 if ($debug) _debug("Removed $num_deleted old lock files.");
1224 }
1225
1226 function expire_cached_files($debug) {
1227 foreach (array("simplepie", "images", "export", "upload") as $dir) {
1228 $cache_dir = CACHE_DIR . "/$dir";
1229
1230 // if ($debug) _debug("Expiring $cache_dir");
1231
1232 $num_deleted = 0;
1233
1234 if (is_writable($cache_dir)) {
1235 $files = glob("$cache_dir/*");
1236
1237 if ($files) {
1238 foreach ($files as $file) {
1239 if (time() - filemtime($file) > 86400*7) {
1240 unlink($file);
1241
1242 ++$num_deleted;
1243 }
1244 }
1245 }
1246 }
1247
1248 if ($debug) _debug("$cache_dir: removed $num_deleted files.");
1249 }
1250 }
1251
1252 /**
1253 * Source: http://www.php.net/manual/en/function.parse-url.php#104527
1254 * Returns the url query as associative array
1255 *
1256 * @param string query
1257 * @return array params
1258 */
1259 function convertUrlQuery($query) {
1260 $queryParts = explode('&', $query);
1261
1262 $params = array();
1263
1264 foreach ($queryParts as $param) {
1265 $item = explode('=', $param);
1266 $params[$item[0]] = $item[1];
1267 }
1268
1269 return $params;
1270 }
1271
1272 function get_article_filters($filters, $title, $content, $link, $timestamp, $author, $tags) {
1273 $matches = array();
1274
1275 foreach ($filters as $filter) {
1276 $match_any_rule = $filter["match_any_rule"];
1277 $inverse = $filter["inverse"];
1278 $filter_match = false;
1279
1280 foreach ($filter["rules"] as $rule) {
1281 $match = false;
1282 $reg_exp = str_replace('/', '\/', $rule["reg_exp"]);
1283 $rule_inverse = $rule["inverse"];
1284
1285 if (!$reg_exp)
1286 continue;
1287
1288 switch ($rule["type"]) {
1289 case "title":
1290 $match = @preg_match("/$reg_exp/i", $title);
1291 break;
1292 case "content":
1293 // we don't need to deal with multiline regexps
1294 $content = preg_replace("/[\r\n\t]/", "", $content);
1295
1296 $match = @preg_match("/$reg_exp/i", $content);
1297 break;
1298 case "both":
1299 // we don't need to deal with multiline regexps
1300 $content = preg_replace("/[\r\n\t]/", "", $content);
1301
1302 $match = (@preg_match("/$reg_exp/i", $title) || @preg_match("/$reg_exp/i", $content));
1303 break;
1304 case "link":
1305 $match = @preg_match("/$reg_exp/i", $link);
1306 break;
1307 case "author":
1308 $match = @preg_match("/$reg_exp/i", $author);
1309 break;
1310 case "tag":
1311 foreach ($tags as $tag) {
1312 if (@preg_match("/$reg_exp/i", $tag)) {
1313 $match = true;
1314 break;
1315 }
1316 }
1317 break;
1318 }
1319
1320 if ($rule_inverse) $match = !$match;
1321
1322 if ($match_any_rule) {
1323 if ($match) {
1324 $filter_match = true;
1325 break;
1326 }
1327 } else {
1328 $filter_match = $match;
1329 if (!$match) {
1330 break;
1331 }
1332 }
1333 }
1334
1335 if ($inverse) $filter_match = !$filter_match;
1336
1337 if ($filter_match) {
1338 foreach ($filter["actions"] AS $action) {
1339 array_push($matches, $action);
1340
1341 // if Stop action encountered, perform no further processing
1342 if ($action["type"] == "stop") return $matches;
1343 }
1344 }
1345 }
1346
1347 return $matches;
1348 }
1349
1350 function find_article_filter($filters, $filter_name) {
1351 foreach ($filters as $f) {
1352 if ($f["type"] == $filter_name) {
1353 return $f;
1354 };
1355 }
1356 return false;
1357 }
1358
1359 function find_article_filters($filters, $filter_name) {
1360 $results = array();
1361
1362 foreach ($filters as $f) {
1363 if ($f["type"] == $filter_name) {
1364 array_push($results, $f);
1365 };
1366 }
1367 return $results;
1368 }
1369
1370 function calculate_article_score($filters) {
1371 $score = 0;
1372
1373 foreach ($filters as $f) {
1374 if ($f["type"] == "score") {
1375 $score += $f["param"];
1376 };
1377 }
1378 return $score;
1379 }
1380
1381 function labels_contains_caption($labels, $caption) {
1382 foreach ($labels as $label) {
1383 if ($label[1] == $caption) {
1384 return true;
1385 }
1386 }
1387
1388 return false;
1389 }
1390
1391 function assign_article_to_label_filters($id, $filters, $owner_uid, $article_labels) {
1392 foreach ($filters as $f) {
1393 if ($f["type"] == "label") {
1394 if (!labels_contains_caption($article_labels, $f["param"])) {
1395 label_add_article($id, $f["param"], $owner_uid);
1396 }
1397 }
1398 }
1399 }
1400
1401 function make_guid_from_title($title) {
1402 return preg_replace("/[ \"\',.:;]/", "-",
1403 mb_strtolower(strip_tags($title), 'utf-8'));
1404 }
1405
1406 /* function verify_feed_xml($feed_data) {
1407 libxml_use_internal_errors(true);
1408 $doc = new DOMDocument();
1409 $doc->loadXML($feed_data);
1410 $error = libxml_get_last_error();
1411 libxml_clear_errors();
1412 return $error;
1413 } */
1414
1415 function housekeeping_common($debug) {
1416 expire_cached_files($debug);
1417 expire_lock_files($debug);
1418 expire_error_log($debug);
1419
1420 $count = update_feedbrowser_cache();
1421 _debug("Feedbrowser updated, $count feeds processed.");
1422
1423 purge_orphans( true);
1424 $rc = cleanup_tags( 14, 50000);
1425
1426 _debug("Cleaned $rc cached tags.");
1427
1428 PluginHost::getInstance()->run_hooks(PluginHost::HOOK_HOUSE_KEEPING, "hook_house_keeping", "");
1429
1430 }
1431 ?>
web-based news feed (RSS/Atom) reader and aggregator; see https://tt-rss.org/