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2c08214a 1<?php
09e8bdfd
AD		 2 define('DAEMON_UPDATE_LOGIN_LIMIT', 30);
3 define('DAEMON_FEED_LIMIT', 100);
4 define('DAEMON_SLEEP_INTERVAL', 120);
5
79178062
AD		 6 function update_feedbrowser_cache($link) {
7
8 $result = db_query($link, "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($link, "BEGIN");
15
16 db_query($link, "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 $tmp_result = db_query($link, "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($link, "INSERT INTO ttrss_feedbrowser_cache
32 (feed_url, site_url, title, subscribers) VALUES ('$feed_url',
33 '$site_url', '$title', '$subscribers')");
34
35 ++$count;
36
37 }
38
39 }
40
41 db_query($link, "COMMIT");
42
43 return $count;
44
45 }
46
47
2c08214a
AD		 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 $debug Set to false to disable debug output. Default to true.
58 * @return void
59 */
60 function update_daemon_common($link, $limit = DAEMON_FEED_LIMIT, $from_http = false, $debug = true) {
61 // Process all other feeds using last_updated and interval parameters
62
61c1812f
AD		 63 define('PREFS_NO_CACHE', true);
64
2c08214a 65 // Test if the user has loggued in recently. If not, it does not update its feeds.
09e8bdfd 66 if (!SINGLE_USER_MODE && DAEMON_UPDATE_LOGIN_LIMIT > 0) {
2c08214a
AD		 67 if (DB_TYPE == "pgsql") {
68 $login_thresh_qpart = "AND ttrss_users.last_login >= NOW() - INTERVAL '".DAEMON_UPDATE_LOGIN_LIMIT." days'";
69 } else {
70 $login_thresh_qpart = "AND ttrss_users.last_login >= DATE_SUB(NOW(), INTERVAL ".DAEMON_UPDATE_LOGIN_LIMIT." DAY)";
71 }
72 } else {
73 $login_thresh_qpart = "";
74 }
75
76 // Test if the feed need a update (update interval exceded).
77 if (DB_TYPE == "pgsql") {
78 $update_limit_qpart = "AND ((
79 ttrss_feeds.update_interval = 0
80 AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_user_prefs.value || ' minutes') AS INTERVAL)
81 ) OR (
82 ttrss_feeds.update_interval > 0
83 AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_feeds.update_interval || ' minutes') AS INTERVAL)
941e48a4
AD		 84 ) OR ttrss_feeds.last_updated IS NULL
85 OR last_updated = '1970-01-01 00:00:00')";
2c08214a
AD		 86 } else {
87 $update_limit_qpart = "AND ((
88 ttrss_feeds.update_interval = 0
89 AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL CONVERT(ttrss_user_prefs.value, SIGNED INTEGER) MINUTE)
90 ) OR (
91 ttrss_feeds.update_interval > 0
92 AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL ttrss_feeds.update_interval MINUTE)
941e48a4
AD		 93 ) OR ttrss_feeds.last_updated IS NULL
94 OR last_updated = '1970-01-01 00:00:00')";
2c08214a
AD		 95 }
96
97 // Test if feed is currently being updated by another process.
98 if (DB_TYPE == "pgsql") {
99 $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '5 minutes')";
100 } else {
101 $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 5 MINUTE))";
102 }
103
104 // Test if there is a limit to number of updated feeds
105 $query_limit = "";
106 if($limit) $query_limit = sprintf("LIMIT %d", $limit);
107
108 $random_qpart = sql_random_function();
109
110 // We search for feed needing update.
111 $result = db_query($link, "SELECT ttrss_feeds.feed_url,ttrss_feeds.id, ttrss_feeds.owner_uid,
112 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
113 ttrss_feeds.update_interval
114 FROM
115 ttrss_feeds, ttrss_users, ttrss_user_prefs
116 WHERE
117 ttrss_feeds.owner_uid = ttrss_users.id
118 AND ttrss_users.id = ttrss_user_prefs.owner_uid
119 AND ttrss_user_prefs.pref_name = 'DEFAULT_UPDATE_INTERVAL'
120 $login_thresh_qpart $update_limit_qpart
121 $updstart_thresh_qpart
122 ORDER BY $random_qpart $query_limit");
123
124 $user_prefs_cache = array();
125
126 if($debug) _debug(sprintf("Scheduled %d feeds to update...\n", db_num_rows($result)));
127
128 // Here is a little cache magic in order to minimize risk of double feed updates.
129 $feeds_to_update = array();
130 while ($line = db_fetch_assoc($result)) {
131 $feeds_to_update[$line['id']] = $line;
132 }
133
134 // We update the feed last update started date before anything else.
135 // There is no lag due to feed contents downloads
136 // It prevent an other process to update the same feed.
137 $feed_ids = array_keys($feeds_to_update);
138 if($feed_ids) {
139 db_query($link, sprintf("UPDATE ttrss_feeds SET last_update_started = NOW()
140 WHERE id IN (%s)", implode(',', $feed_ids)));
141 }
142
3c696512
AD		 143 expire_cached_files($debug);
144
2c08214a
AD		 145 // For each feed, we call the feed update function.
146 while ($line = array_pop($feeds_to_update)) {
147
148 if($debug) _debug("Feed: " . $line["feed_url"] . ", " . $line["last_updated"]);
149
150 update_rss_feed($link, $line["id"], true);
151
152 sleep(1); // prevent flood (FIXME make this an option?)
153 }
154
155 // Send feed digests by email if needed.
8437c066 156 send_headlines_digests($link, $debug);
2c08214a
AD		 157
158 } // function update_daemon_common
159
160 function fetch_twitter_rss($link, $url, $owner_uid) {
161
162 require_once 'lib/tmhoauth/tmhOAuth.php';
ec418193
AD		 163 require_once "lib/magpierss/rss_fetch.inc";
164 require_once 'lib/magpierss/rss_utils.inc';
2c08214a
AD		 165
166 $result = db_query($link, "SELECT twitter_oauth FROM ttrss_users
167 WHERE id = $owner_uid");
168
169 $access_token = json_decode(db_fetch_result($result, 0, 'twitter_oauth'), true);
170 $url_escaped = db_escape_string($url);
171
172 if ($access_token) {
173
174 $tmhOAuth = new tmhOAuth(array(
175 'consumer_key' => CONSUMER_KEY,
176 'consumer_secret' => CONSUMER_SECRET,
177 'user_token' => $access_token['oauth_token'],
178 'user_secret' => $access_token['oauth_token_secret'],
179 ));
180
a3e0bdcf
AD		 181 $code = $tmhOAuth->request('GET', $url,
182 convertUrlQuery(parse_url($url, PHP_URL_QUERY)));
2c08214a
AD		 183
184 if ($code == 200) {
185
186 $content = $tmhOAuth->response['response'];
187
188 define('MAGPIE_CACHE_ON', false);
189
190 $rss = new MagpieRSS($content, MAGPIE_OUTPUT_ENCODING,
191 MAGPIE_INPUT_ENCODING, MAGPIE_DETECT_ENCODING );
192
193 return $rss;
194
195 } else {
196
197 db_query($link, "UPDATE ttrss_feeds
198 SET last_error = 'OAuth authorization failed ($code).'
199 WHERE feed_url = '$url_escaped' AND owner_uid = $owner_uid");
200 }
201
202 } else {
203
204 db_query($link, "UPDATE ttrss_feeds
205 SET last_error = 'OAuth information not found.'
206 WHERE feed_url = '$url_escaped' AND owner_uid = $owner_uid");
207
208 return false;
209 }
210 }
211
212 function update_rss_feed($link, $feed, $ignore_daemon = false, $no_cache = false) {
213
214 global $memcache;
215
216 /* Update all feeds with the same URL to utilize memcache */
217
218 if ($memcache) {
219 $result = db_query($link, "SELECT f1.id
220 FROM ttrss_feeds AS f1, ttrss_feeds AS f2
221 WHERE f2.feed_url = f1.feed_url AND f2.id = '$feed'");
222
223 while ($line = db_fetch_assoc($result)) {
224 update_rss_feed_real($link, $line["id"], $ignore_daemon, $no_cache);
225 }
226 } else {
227 update_rss_feed_real($link, $feed, $ignore_daemon, $no_cache);
228 }
229 }
230
231 function update_rss_feed_real($link, $feed, $ignore_daemon = false, $no_cache = false,
232 $override_url = false) {
233
234 require_once "lib/simplepie/simplepie.inc";
235 require_once "lib/magpierss/rss_fetch.inc";
236 require_once 'lib/magpierss/rss_utils.inc';
237
238 global $memcache;
239
240 $debug_enabled = defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug'];
241
242 if (!$_REQUEST["daemon"] && !$ignore_daemon) {
243 return false;
244 }
245
246 if ($debug_enabled) {
247 _debug("update_rss_feed: start");
248 }
249
250 if (!$ignore_daemon) {
251
252 if (DB_TYPE == "pgsql") {
253 $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
254 } else {
255 $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
256 }
257
258 $result = db_query($link, "SELECT id,update_interval,auth_login,
6cb2269c 259 auth_pass,cache_images,update_method,last_updated
2c08214a
AD		 260 FROM ttrss_feeds WHERE id = '$feed' AND $updstart_thresh_qpart");
261
262 } else {
263
264 $result = db_query($link, "SELECT id,update_interval,auth_login,
265 feed_url,auth_pass,cache_images,update_method,last_updated,
266 mark_unread_on_update, owner_uid, update_on_checksum_change,
267 pubsub_state
268 FROM ttrss_feeds WHERE id = '$feed'");
269
270 }
271
272 if (db_num_rows($result) == 0) {
273 if ($debug_enabled) {
274 _debug("update_rss_feed: feed $feed NOT FOUND/SKIPPED");
275 }
276 return false;
277 }
278
279 $update_method = db_fetch_result($result, 0, "update_method");
280 $last_updated = db_fetch_result($result, 0, "last_updated");
281 $owner_uid = db_fetch_result($result, 0, "owner_uid");
282 $mark_unread_on_update = sql_bool_to_bool(db_fetch_result($result,
283 0, "mark_unread_on_update"));
284 $update_on_checksum_change = sql_bool_to_bool(db_fetch_result($result,
285 0, "update_on_checksum_change"));
286 $pubsub_state = db_fetch_result($result, 0, "pubsub_state");
287
288 db_query($link, "UPDATE ttrss_feeds SET last_update_started = NOW()
289 WHERE id = '$feed'");
290
291 $auth_login = db_fetch_result($result, 0, "auth_login");
292 $auth_pass = db_fetch_result($result, 0, "auth_pass");
293
294 if ($update_method == 0)
295 $update_method = DEFAULT_UPDATE_METHOD + 1;
296
297 // 1 - Magpie
298 // 2 - SimplePie
299 // 3 - Twitter OAuth
300
301 if ($update_method == 2)
302 $use_simplepie = true;
303 else
304 $use_simplepie = false;
305
306 if ($debug_enabled) {
307 _debug("update method: $update_method (feed setting: $update_method) (use simplepie: $use_simplepie)\n");
308 }
309
310 if ($update_method == 1) {
311 $auth_login = urlencode($auth_login);
312 $auth_pass = urlencode($auth_pass);
313 }
314
2c08214a
AD		 315 $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images"));
316 $fetch_url = db_fetch_result($result, 0, "feed_url");
317
2c08214a
AD		 318 $feed = db_escape_string($feed);
319
320 if ($auth_login && $auth_pass ){
321 $url_parts = array();
322 preg_match("/(^[^:]*):\/\/(.*)/", $fetch_url, $url_parts);
323
324 if ($url_parts[1] && $url_parts[2]) {
325 $fetch_url = $url_parts[1] . "://$auth_login:$auth_pass@" . $url_parts[2];
326 }
327
328 }
329
330 if ($override_url)
331 $fetch_url = $override_url;
332
333 if ($debug_enabled) {
334 _debug("update_rss_feed: fetching [$fetch_url]...");
335 }
336
337 $obj_id = md5("FDATA:$use_simplepie:$fetch_url");
338
339 if ($memcache && $obj = $memcache->get($obj_id)) {
340
341 if ($debug_enabled) {
342 _debug("update_rss_feed: data found in memcache.");
343 }
344
345 $rss = $obj;
346
347 } else {
348
941e48a4
AD		 349 // Ignore cache if new feed or manual update.
350 $cache_age = (is_null($last_updated) || $last_updated == '1970-01-01 00:00:00') ?
351 -1 : get_feed_update_interval($link, $feed) * 60;
352
2c08214a
AD		 353 if ($update_method == 3) {
354 $rss = fetch_twitter_rss($link, $fetch_url, $owner_uid);
355 } else if ($update_method == 1) {
356
941e48a4 357 define('MAGPIE_CACHE_AGE', $cache_age);
2c08214a
AD		 358 define('MAGPIE_CACHE_ON', !$no_cache);
359 define('MAGPIE_FETCH_TIME_OUT', 60);
360 define('MAGPIE_CACHE_DIR', CACHE_DIR . "/magpie");
361
362 $rss = @fetch_rss($fetch_url);
363 } else {
364 $simplepie_cache_dir = CACHE_DIR . "/simplepie";
365
366 if (!is_dir($simplepie_cache_dir)) {
367 mkdir($simplepie_cache_dir);
368 }
369
370 $rss = new SimplePie();
371 $rss->set_useragent(SELF_USER_AGENT);
372 # $rss->set_timeout(10);
373 $rss->set_feed_url($fetch_url);
374 $rss->set_output_encoding('UTF-8');
f1e511c8 375 //$rss->force_feed(true);
2c08214a 376
2c08214a
AD		 377 if ($debug_enabled) {
378 _debug("feed update interval (sec): " .
379 get_feed_update_interval($link, $feed)*60);
380 }
381
382 $rss->enable_cache(!$no_cache);
383
384 if (!$no_cache) {
385 $rss->set_cache_location($simplepie_cache_dir);
941e48a4 386 $rss->set_cache_duration($cache_age);
2c08214a
AD		 387 }
388
389 $rss->init();
390 }
391
392 if ($memcache && $rss) $memcache->add($obj_id, $rss, 0, 300);
393 }
394
395// print_r($rss);
396
397 if ($debug_enabled) {
398 _debug("update_rss_feed: fetch done, parsing...");
399 }
400
401 $feed = db_escape_string($feed);
402
403 if ($update_method == 2) {
404 $fetch_ok = !$rss->error();
405 } else {
406 $fetch_ok = !!$rss;
407 }
408
409 if ($fetch_ok) {
410
411 if ($debug_enabled) {
412 _debug("update_rss_feed: processing feed data...");
413 }
414
415// db_query($link, "BEGIN");
416
382268c6
AD		 417 if (DB_TYPE == "pgsql") {
418 $favicon_interval_qpart = "favicon_last_checked < NOW() - INTERVAL '12 hour'";
419 } else {
420 $favicon_interval_qpart = "favicon_last_checked < DATE_SUB(NOW(), INTERVAL 12 HOUR)";
421 }
422
423 $result = db_query($link, "SELECT title,icon_url,site_url,owner_uid,
424 (favicon_last_checked IS NULL OR $favicon_interval_qpart) AS
425 favicon_needs_check
2c08214a
AD		 426 FROM ttrss_feeds WHERE id = '$feed'");
427
428 $registered_title = db_fetch_result($result, 0, "title");
429 $orig_icon_url = db_fetch_result($result, 0, "icon_url");
430 $orig_site_url = db_fetch_result($result, 0, "site_url");
382268c6
AD		 431 $favicon_needs_check = sql_bool_to_bool(db_fetch_result($result, 0,
432 "favicon_needs_check"));
2c08214a
AD		 433
434 $owner_uid = db_fetch_result($result, 0, "owner_uid");
435
436 if ($use_simplepie) {
0cf81637 437 $site_url = db_escape_string(trim($rss->get_link()));
2c08214a 438 } else {
0cf81637
AD		 439 $site_url = db_escape_string(trim($rss->channel["link"]));
440 }
441
442 // weird, weird Magpie
443 if (!$use_simplepie) {
444 if (!$site_url) $site_url = db_escape_string($rss->channel["link_"]);
2c08214a
AD		 445 }
446
447 $site_url = rewrite_relative_url($fetch_url, $site_url);
0cf81637 448 $site_url = substr($site_url, 0, 250);
2c08214a
AD		 449
450 if ($debug_enabled) {
451 _debug("update_rss_feed: checking favicon...");
452 }
453
382268c6 454 if ($favicon_needs_check) check_feed_favicon($site_url, $feed, $link);
2c08214a
AD		 455
456 if (!$registered_title || $registered_title == "[Unknown]") {
457
458 if ($use_simplepie) {
459 $feed_title = db_escape_string($rss->get_title());
460 } else {
461 $feed_title = db_escape_string($rss->channel["title"]);
462 }
463
464 if ($debug_enabled) {
465 _debug("update_rss_feed: registering title: $feed_title");
466 }
467
468 db_query($link, "UPDATE ttrss_feeds SET
469 title = '$feed_title' WHERE id = '$feed'");
470 }
471
0cf81637 472 if ($site_url && $orig_site_url != $site_url) {
2c08214a
AD		 473 db_query($link, "UPDATE ttrss_feeds SET
474 site_url = '$site_url' WHERE id = '$feed'");
475 }
476
477// print "I: " . $rss->channel["image"]["url"];
478
479 if (!$use_simplepie) {
0cf81637 480 $icon_url = db_escape_string(trim($rss->image["url"]));
2c08214a 481 } else {
0cf81637 482 $icon_url = db_escape_string(trim($rss->get_image_url()));
2c08214a
AD		 483 }
484
0cf81637 485 $icon_url = rewrite_relative_url($fetch_url, $icon_url);
2c08214a
AD		 486 $icon_url = substr($icon_url, 0, 250);
487
488 if ($icon_url && $orig_icon_url != $icon_url) {
489 db_query($link, "UPDATE ttrss_feeds SET icon_url = '$icon_url' WHERE id = '$feed'");
490 }
491
492 if ($debug_enabled) {
493 _debug("update_rss_feed: loading filters...");
494 }
495
496 $filters = load_filters($link, $feed, $owner_uid);
497
498// if ($debug_enabled) {
499// print_r($filters);
500// }
501
502 if ($use_simplepie) {
503 $iterator = $rss->get_items();
504 } else {
505 $iterator = $rss->items;
506 if (!$iterator || !is_array($iterator)) $iterator = $rss->entries;
507 if (!$iterator || !is_array($iterator)) $iterator = $rss;
508 }
509
510 if (!is_array($iterator)) {
511 /* db_query($link, "UPDATE ttrss_feeds
512 SET last_error = 'Parse error: can\'t find any articles.'
513 WHERE id = '$feed'"); */
514
515 // clear any errors and mark feed as updated if fetched okay
516 // even if it's blank
517
518 if ($debug_enabled) {
519 _debug("update_rss_feed: entry iterator is not an array, no articles?");
520 }
521
522 db_query($link, "UPDATE ttrss_feeds
523 SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
524
525 return; // no articles
526 }
527
528 if ($pubsub_state != 2 && PUBSUBHUBBUB_ENABLED) {
529
530 if ($debug_enabled) _debug("update_rss_feed: checking for PUSH hub...");
531
532 $feed_hub_url = false;
533 if ($use_simplepie) {
534 $links = $rss->get_links('hub');
535
536 if ($links && is_array($links)) {
537 foreach ($links as $l) {
538 $feed_hub_url = $l;
539 break;
540 }
541 }
542
543 } else {
544 $atom = $rss->channel['atom'];
545
546 if ($atom) {
547 if ($atom['link@rel'] == 'hub') {
548 $feed_hub_url = $atom['link@href'];
549 }
550
551 if (!$feed_hub_url && $atom['link#'] > 1) {
552 for ($i = 2; $i <= $atom['link#']; $i++) {
553 if ($atom["link#$i@rel"] == 'hub') {
554 $feed_hub_url = $atom["link#$i@href"];
555 break;
556 }
557 }
558 }
559 } else {
560 $feed_hub_url = $rss->channel['link_hub'];
561 }
562 }
563
564 if ($debug_enabled) _debug("update_rss_feed: feed hub url: $feed_hub_url");
565
566 if ($feed_hub_url && function_exists('curl_init') &&
567 !ini_get("open_basedir")) {
568
569 require_once 'lib/pubsubhubbub/subscriber.php';
570
571 $callback_url = get_self_url_prefix() .
572 "/public.php?op=pubsub&id=$feed";
573
574 $s = new Subscriber($feed_hub_url, $callback_url);
575
576 $rc = $s->subscribe($fetch_url);
577
578 if ($debug_enabled)
579 _debug("update_rss_feed: feed hub url found, subscribe request sent.");
580
581 db_query($link, "UPDATE ttrss_feeds SET pubsub_state = 1
582 WHERE id = '$feed'");
583 }
584 }
585
586 if ($debug_enabled) {
587 _debug("update_rss_feed: processing articles...");
588 }
589
590 foreach ($iterator as $item) {
591
592 if ($_REQUEST['xdebug'] == 2) {
593 print_r($item);
594 }
595
596 if ($use_simplepie) {
597 $entry_guid = $item->get_id();
598 if (!$entry_guid) $entry_guid = $item->get_link();
599 if (!$entry_guid) $entry_guid = make_guid_from_title($item->get_title());
600
601 } else {
602
603 $entry_guid = $item["id"];
604
605 if (!$entry_guid) $entry_guid = $item["guid"];
606 if (!$entry_guid) $entry_guid = $item["about"];
607 if (!$entry_guid) $entry_guid = $item["link"];
608 if (!$entry_guid) $entry_guid = make_guid_from_title($item["title"]);
609 }
610
611 if ($debug_enabled) {
612 _debug("update_rss_feed: guid $entry_guid");
613 }
614
615 if (!$entry_guid) continue;
616
617 $entry_timestamp = "";
618
619 if ($use_simplepie) {
620 $entry_timestamp = strtotime($item->get_date());
621 } else {
622 $rss_2_date = $item['pubdate'];
623 $rss_1_date = $item['dc']['date'];
624 $atom_date = $item['issued'];
625 if (!$atom_date) $atom_date = $item['updated'];
626
627 if ($atom_date != "") $entry_timestamp = parse_w3cdtf($atom_date);
628 if ($rss_1_date != "") $entry_timestamp = parse_w3cdtf($rss_1_date);
629 if ($rss_2_date != "") $entry_timestamp = strtotime($rss_2_date);
630
631 }
632
633 if ($entry_timestamp == "" || $entry_timestamp == -1 || !$entry_timestamp) {
634 $entry_timestamp = time();
635 $no_orig_date = 'true';
636 } else {
637 $no_orig_date = 'false';
638 }
639
640 $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
641
642 if ($debug_enabled) {
643 _debug("update_rss_feed: date $entry_timestamp [$entry_timestamp_fmt]");
644 }
645
646 if ($use_simplepie) {
647 $entry_title = $item->get_title();
648 } else {
649 $entry_title = trim(strip_tags($item["title"]));
650 }
651
652 if ($use_simplepie) {
653 $entry_link = $item->get_link();
654 } else {
655 // strange Magpie workaround
656 $entry_link = $item["link_"];
657 if (!$entry_link) $entry_link = $item["link"];
658 }
659
660 $entry_link = rewrite_relative_url($site_url, $entry_link);
661
662 if ($debug_enabled) {
663 _debug("update_rss_feed: title $entry_title");
664 _debug("update_rss_feed: link $entry_link");
665 }
666
667 if (!$entry_title) $entry_title = date("Y-m-d H:i:s", $entry_timestamp);;
668
669 $entry_link = strip_tags($entry_link);
670
671 if ($use_simplepie) {
672 $entry_content = $item->get_content();
673 if (!$entry_content) $entry_content = $item->get_description();
674 } else {
675 $entry_content = $item["content:escaped"];
676
677 if (!$entry_content) $entry_content = $item["content:encoded"];
eb38af4e 678 if (!$entry_content && is_array($entry_content)) $entry_content = $item["content"]["encoded"];
2c08214a
AD		 679 if (!$entry_content) $entry_content = $item["content"];
680
681 if (is_array($entry_content)) $entry_content = $entry_content[0];
682
683 // Magpie bugs are getting ridiculous
684 if (trim($entry_content) == "Array") $entry_content = false;
685
686 if (!$entry_content) $entry_content = $item["atom_content"];
687 if (!$entry_content) $entry_content = $item["summary"];
688
689 if (!$entry_content ||
690 strlen($entry_content) < strlen($item["description"])) {
691 $entry_content = $item["description"];
692 };
693
694 // WTF
695 if (is_array($entry_content)) {
696 $entry_content = $entry_content["encoded"];
697 if (!$entry_content) $entry_content = $entry_content["escaped"];
698 }
699 }
700
c5867798 701 if ($cache_images && is_writable(CACHE_DIR . '/images'))
3c696512
AD		 702 $entry_content = cache_images($entry_content, $site_url, $debug_enabled);
703
2c08214a
AD		 704 if ($_REQUEST["xdebug"] == 2) {
705 print "update_rss_feed: content: ";
487f0750 706 print $entry_content;
3c696512 707 print "\n";
2c08214a
AD		 708 }
709
710 $entry_content_unescaped = $entry_content;
711
712 if ($use_simplepie) {
713 $entry_comments = strip_tags($item->data["comments"]);
714 if ($item->get_author()) {
715 $entry_author_item = $item->get_author();
716 $entry_author = $entry_author_item->get_name();
717 if (!$entry_author) $entry_author = $entry_author_item->get_email();
718
719 $entry_author = db_escape_string($entry_author);
720 }
721 } else {
722 $entry_comments = strip_tags($item["comments"]);
723
724 $entry_author = db_escape_string(strip_tags($item['dc']['creator']));
725
726 if ($item['author']) {
727
728 if (is_array($item['author'])) {
729
730 if (!$entry_author) {
731 $entry_author = db_escape_string(strip_tags($item['author']['name']));
732 }
733
734 if (!$entry_author) {
735 $entry_author = db_escape_string(strip_tags($item['author']['email']));
736 }
737 }
738
739 if (!$entry_author) {
740 $entry_author = db_escape_string(strip_tags($item['author']));
741 }
742 }
743 }
744
745 if (preg_match('/^[\t\n\r ]*$/', $entry_author)) $entry_author = '';
746
747 $entry_guid = db_escape_string(strip_tags($entry_guid));
748 $entry_guid = mb_substr($entry_guid, 0, 250);
749
750 $result = db_query($link, "SELECT id FROM ttrss_entries
751 WHERE guid = '$entry_guid'");
752
753 $entry_content = db_escape_string($entry_content, false);
754
487f0750 755 $content_hash = "SHA1:" . sha1(strip_tags($entry_content));
2c08214a
AD		 756
757 $entry_title = db_escape_string($entry_title);
758 $entry_link = db_escape_string($entry_link);
759 $entry_comments = mb_substr(db_escape_string($entry_comments), 0, 250);
760 $entry_author = mb_substr($entry_author, 0, 250);
761
762 if ($use_simplepie) {
763 $num_comments = 0; #FIXME#
764 } else {
765 $num_comments = db_escape_string($item["slash"]["comments"]);
766 }
767
768 if (!$num_comments) $num_comments = 0;
769
770 if ($debug_enabled) {
771 _debug("update_rss_feed: looking for tags [1]...");
772 }
773
774 // parse <category> entries into tags
775
776 $additional_tags = array();
777
778 if ($use_simplepie) {
779
780 $additional_tags_src = $item->get_categories();
781
782 if (is_array($additional_tags_src)) {
783 foreach ($additional_tags_src as $tobj) {
784 array_push($additional_tags, $tobj->get_term());
785 }
786 }
787
788 if ($debug_enabled) {
789 _debug("update_rss_feed: category tags:");
790 print_r($additional_tags);
791 }
792
793 } else {
794
795 $t_ctr = $item['category#'];
796
797 if ($t_ctr == 0) {
798 $additional_tags = array();
799 } else if ($t_ctr > 0) {
800 $additional_tags = array($item['category']);
801
802 if ($item['category@term']) {
803 array_push($additional_tags, $item['category@term']);
804 }
805
806 for ($i = 0; $i <= $t_ctr; $i++ ) {
807 if ($item["category#$i"]) {
808 array_push($additional_tags, $item["category#$i"]);
809 }
810
811 if ($item["category#$i@term"]) {
812 array_push($additional_tags, $item["category#$i@term"]);
813 }
814 }
815 }
816
817 // parse <dc:subject> elements
818
819 $t_ctr = $item['dc']['subject#'];
820
821 if ($t_ctr > 0) {
822 array_push($additional_tags, $item['dc']['subject']);
823
824 for ($i = 0; $i <= $t_ctr; $i++ ) {
825 if ($item['dc']["subject#$i"]) {
826 array_push($additional_tags, $item['dc']["subject#$i"]);
827 }
828 }
829 }
830 }
831
832 if ($debug_enabled) {
833 _debug("update_rss_feed: looking for tags [2]...");
834 }
835
836 /* taaaags */
837 // <a href="..." rel="tag">Xorg</a>, //
838
839 $entry_tags = null;
840
841 preg_match_all("/<a.*?rel=['\"]tag['\"].*?\>([^<]+)<\/a>/i",
842 $entry_content_unescaped, $entry_tags);
843
844 $entry_tags = $entry_tags[1];
845
846 $entry_tags = array_merge($entry_tags, $additional_tags);
847 $entry_tags = array_unique($entry_tags);
848
849 for ($i = 0; $i < count($entry_tags); $i++)
850 $entry_tags[$i] = mb_strtolower($entry_tags[$i], 'utf-8');
851
852 if ($debug_enabled) {
853 _debug("update_rss_feed: unfiltered tags found:");
854 print_r($entry_tags);
855 }
856
857 # sanitize content
858
859 $entry_content = sanitize_article_content($entry_content);
860 $entry_title = sanitize_article_content($entry_title);
861
862 if ($debug_enabled) {
863 _debug("update_rss_feed: done collecting data [TITLE:$entry_title]");
864 }
865
866 db_query($link, "BEGIN");
867
868 if (db_num_rows($result) == 0) {
869
870 if ($debug_enabled) {
871 _debug("update_rss_feed: base guid not found");
872 }
873
874 // base post entry does not exist, create it
875
876 $result = db_query($link,
877 "INSERT INTO ttrss_entries
878 (title,
879 guid,
880 link,
881 updated,
882 content,
883 content_hash,
884 no_orig_date,
885 date_updated,
886 date_entered,
887 comments,
888 num_comments,
889 author)
890 VALUES
891 ('$entry_title',
892 '$entry_guid',
893 '$entry_link',
894 '$entry_timestamp_fmt',
895 '$entry_content',
896 '$content_hash',
897 $no_orig_date,
898 NOW(),
899 NOW(),
900 '$entry_comments',
901 '$num_comments',
902 '$entry_author')");
903 } else {
904 // we keep encountering the entry in feeds, so we need to
905 // update date_updated column so that we don't get horrible
906 // dupes when the entry gets purged and reinserted again e.g.
907 // in the case of SLOW SLOW OMG SLOW updating feeds
908
909 $base_entry_id = db_fetch_result($result, 0, "id");
910
911 db_query($link, "UPDATE ttrss_entries SET date_updated = NOW()
912 WHERE id = '$base_entry_id'");
913 }
914
915 // now it should exist, if not - bad luck then
916
917 $result = db_query($link, "SELECT
918 id,content_hash,no_orig_date,title,
919 ".SUBSTRING_FOR_DATE."(date_updated,1,19) as date_updated,
920 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated,
921 num_comments
922 FROM
923 ttrss_entries
924 WHERE guid = '$entry_guid'");
925
926 $entry_ref_id = 0;
927 $entry_int_id = 0;
928
929 if (db_num_rows($result) == 1) {
930
931 if ($debug_enabled) {
932 _debug("update_rss_feed: base guid found, checking for user record");
933 }
934
935 // this will be used below in update handler
936 $orig_content_hash = db_fetch_result($result, 0, "content_hash");
937 $orig_title = db_fetch_result($result, 0, "title");
938 $orig_num_comments = db_fetch_result($result, 0, "num_comments");
939 $orig_date_updated = strtotime(db_fetch_result($result,
940 0, "date_updated"));
941
942 $ref_id = db_fetch_result($result, 0, "id");
943 $entry_ref_id = $ref_id;
944
945 // check for user post link to main table
946
947 // do we allow duplicate posts with same GUID in different feeds?
948 if (get_pref($link, "ALLOW_DUPLICATE_POSTS", $owner_uid, false)) {
949 $dupcheck_qpart = "AND (feed_id = '$feed' OR feed_id IS NULL)";
950 } else {
951 $dupcheck_qpart = "";
952 }
953
954 /* Collect article tags here so we could filter by them: */
955
956 $article_filters = get_article_filters($filters, $entry_title,
957 $entry_content, $entry_link, $entry_timestamp, $entry_author,
958 $entry_tags);
959
960 if ($debug_enabled) {
961 _debug("update_rss_feed: article filters: ");
962 if (count($article_filters) != 0) {
963 print_r($article_filters);
964 }
965 }
966
967 if (find_article_filter($article_filters, "filter")) {
968 db_query($link, "COMMIT"); // close transaction in progress
969 continue;
970 }
971
972 $score = calculate_article_score($article_filters);
973
974 if ($debug_enabled) {
975 _debug("update_rss_feed: initial score: $score");
976 }
977
978 $query = "SELECT ref_id, int_id FROM ttrss_user_entries WHERE
979 ref_id = '$ref_id' AND owner_uid = '$owner_uid'
980 $dupcheck_qpart";
981
982// if ($_REQUEST["xdebug"]) print "$query\n";
983
984 $result = db_query($link, $query);
985
986 // okay it doesn't exist - create user entry
987 if (db_num_rows($result) == 0) {
988
989 if ($debug_enabled) {
990 _debug("update_rss_feed: user record not found, creating...");
991 }
992
993 if ($score >= -500 && !find_article_filter($article_filters, 'catchup')) {
994 $unread = 'true';
995 $last_read_qpart = 'NULL';
996 } else {
997 $unread = 'false';
998 $last_read_qpart = 'NOW()';
999 }
1000
1001 if (find_article_filter($article_filters, 'mark') || $score > 1000) {
1002 $marked = 'true';
1003 } else {
1004 $marked = 'false';
1005 }
1006
1007 if (find_article_filter($article_filters, 'publish')) {
1008 $published = 'true';
1009 } else {
1010 $published = 'false';
1011 }
1012
1013 $result = db_query($link,
1014 "INSERT INTO ttrss_user_entries
1015 (ref_id, owner_uid, feed_id, unread, last_read, marked,
1016 published, score, tag_cache, label_cache, uuid)
1017 VALUES ('$ref_id', '$owner_uid', '$feed', $unread,
1018 $last_read_qpart, $marked, $published, '$score', '', '', '')");
1019
1020 if (PUBSUBHUBBUB_HUB && $published == 'true') {
1021 $rss_link = get_self_url_prefix() .
1022 "/public.php?op=rss&id=-2&key=" .
1023 get_feed_access_key($link, -2, false, $owner_uid);
1024
1025 $p = new Publisher(PUBSUBHUBBUB_HUB);
1026
1027 $pubsub_result = $p->publish_update($rss_link);
1028 }
1029
1030 $result = db_query($link,
1031 "SELECT int_id FROM ttrss_user_entries WHERE
1032 ref_id = '$ref_id' AND owner_uid = '$owner_uid' AND
1033 feed_id = '$feed' LIMIT 1");
1034
1035 if (db_num_rows($result) == 1) {
1036 $entry_int_id = db_fetch_result($result, 0, "int_id");
1037 }
1038 } else {
1039 if ($debug_enabled) {
1040 _debug("update_rss_feed: user record FOUND");
1041 }
1042
1043 $entry_ref_id = db_fetch_result($result, 0, "ref_id");
1044 $entry_int_id = db_fetch_result($result, 0, "int_id");
1045 }
1046
1047 if ($debug_enabled) {
1048 _debug("update_rss_feed: RID: $entry_ref_id, IID: $entry_int_id");
1049 }
1050
1051 $post_needs_update = false;
1052 $update_insignificant = false;
1053
1054 if ($orig_num_comments != $num_comments) {
1055 $post_needs_update = true;
1056 $update_insignificant = true;
1057 }
1058
1059 if ($content_hash != $orig_content_hash) {
1060 $post_needs_update = true;
1061 $update_insignificant = false;
1062 }
1063
1064 if (db_escape_string($orig_title) != $entry_title) {
1065 $post_needs_update = true;
1066 $update_insignificant = false;
1067 }
1068
1069 // if post needs update, update it and mark all user entries
1070 // linking to this post as updated
1071 if ($post_needs_update) {
1072
1073 if (defined('DAEMON_EXTENDED_DEBUG')) {
1074 _debug("update_rss_feed: post $entry_guid needs update...");
1075 }
1076
1077// print "<!-- post $orig_title needs update : $post_needs_update -->";
1078
1079 db_query($link, "UPDATE ttrss_entries
1080 SET title = '$entry_title', content = '$entry_content',
1081 content_hash = '$content_hash',
1082 updated = '$entry_timestamp_fmt',
1083 num_comments = '$num_comments'
1084 WHERE id = '$ref_id'");
1085
1086 if (!$update_insignificant) {
1087 if ($mark_unread_on_update) {
1088 db_query($link, "UPDATE ttrss_user_entries
1089 SET last_read = null, unread = true WHERE ref_id = '$ref_id'");
1090 } else if ($update_on_checksum_change) {
1091 db_query($link, "UPDATE ttrss_user_entries
1092 SET last_read = null WHERE ref_id = '$ref_id'
1093 AND unread = false");
1094 }
1095 }
1096 }
1097 }
1098
1099 db_query($link, "COMMIT");
1100
1101 if ($debug_enabled) {
1102 _debug("update_rss_feed: assigning labels...");
1103 }
1104
1105 assign_article_to_labels($link, $entry_ref_id, $article_filters,
1106 $owner_uid);
1107
1108 if ($debug_enabled) {
1109 _debug("update_rss_feed: looking for enclosures...");
1110 }
1111
1112 // enclosures
1113
1114 $enclosures = array();
1115
1116 if ($use_simplepie) {
1117 $encs = $item->get_enclosures();
1118
1119 if (is_array($encs)) {
1120 foreach ($encs as $e) {
1121 $e_item = array(
1122 $e->link, $e->type, $e->length);
1123
1124 array_push($enclosures, $e_item);
1125 }
1126 }
1127
1128 } else {
1129 // <enclosure>
1130
1131 $e_ctr = $item['enclosure#'];
1132
1133 if ($e_ctr > 0) {
1134 $e_item = array($item['enclosure@url'],
1135 $item['enclosure@type'],
1136 $item['enclosure@length']);
1137
1138 array_push($enclosures, $e_item);
1139
1140 for ($i = 0; $i <= $e_ctr; $i++ ) {
1141
1142 if ($item["enclosure#$i@url"]) {
1143 $e_item = array($item["enclosure#$i@url"],
1144 $item["enclosure#$i@type"],
1145 $item["enclosure#$i@length"]);
1146 array_push($enclosures, $e_item);
1147 }
1148 }
1149 }
1150
1151 // <media:content>
1152 // can there be many of those? yes -fox
1153
1154 $m_ctr = $item['media']['content#'];
1155
1156 if ($m_ctr > 0) {
1157 $e_item = array($item['media']['content@url'],
1158 $item['media']['content@medium'],
1159 $item['media']['content@length']);
1160
1161 array_push($enclosures, $e_item);
1162
1163 for ($i = 0; $i <= $m_ctr; $i++ ) {
1164
1165 if ($item["media"]["content#$i@url"]) {
1166 $e_item = array($item["media"]["content#$i@url"],
1167 $item["media"]["content#$i@medium"],
1168 $item["media"]["content#$i@length"]);
1169 array_push($enclosures, $e_item);
1170 }
1171 }
1172
1173 }
1174 }
1175
1176
1177 if ($debug_enabled) {
1178 _debug("update_rss_feed: article enclosures:");
1179 print_r($enclosures);
1180 }
1181
1182 db_query($link, "BEGIN");
1183
1184 foreach ($enclosures as $enc) {
1185 $enc_url = db_escape_string($enc[0]);
1186 $enc_type = db_escape_string($enc[1]);
1187 $enc_dur = db_escape_string($enc[2]);
1188
1189 $result = db_query($link, "SELECT id FROM ttrss_enclosures
1190 WHERE content_url = '$enc_url' AND post_id = '$entry_ref_id'");
1191
1192 if (db_num_rows($result) == 0) {
1193 db_query($link, "INSERT INTO ttrss_enclosures
1194 (content_url, content_type, title, duration, post_id) VALUES
1195 ('$enc_url', '$enc_type', '', '$enc_dur', '$entry_ref_id')");
1196 }
1197 }
1198
1199 db_query($link, "COMMIT");
1200
1201 // check for manual tags (we have to do it here since they're loaded from filters)
1202
1203 foreach ($article_filters as $f) {
1204 if ($f[0] == "tag") {
1205
1206 $manual_tags = trim_array(explode(",", $f[1]));
1207
1208 foreach ($manual_tags as $tag) {
1209 if (tag_is_valid($tag)) {
1210 array_push($entry_tags, $tag);
1211 }
1212 }
1213 }
1214 }
1215
1216 // Skip boring tags
1217
1218 $boring_tags = trim_array(explode(",", mb_strtolower(get_pref($link,
1219 'BLACKLISTED_TAGS', $owner_uid, ''), 'utf-8')));
1220
1221 $filtered_tags = array();
1222 $tags_to_cache = array();
1223
1224 if ($entry_tags && is_array($entry_tags)) {
1225 foreach ($entry_tags as $tag) {
1226 if (array_search($tag, $boring_tags) === false) {
1227 array_push($filtered_tags, $tag);
1228 }
1229 }
1230 }
1231
1232 $filtered_tags = array_unique($filtered_tags);
1233
1234 if ($debug_enabled) {
1235 _debug("update_rss_feed: filtered article tags:");
1236 print_r($filtered_tags);
1237 }
1238
1239 // Save article tags in the database
1240
1241 if (count($filtered_tags) > 0) {
1242
1243 db_query($link, "BEGIN");
1244
1245 foreach ($filtered_tags as $tag) {
1246
1247 $tag = sanitize_tag($tag);
1248 $tag = db_escape_string($tag);
1249
1250 if (!tag_is_valid($tag)) continue;
1251
1252 $result = db_query($link, "SELECT id FROM ttrss_tags
1253 WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND
1254 owner_uid = '$owner_uid' LIMIT 1");
1255
1256 if ($result && db_num_rows($result) == 0) {
1257
1258 db_query($link, "INSERT INTO ttrss_tags
1259 (owner_uid,tag_name,post_int_id)
1260 VALUES ('$owner_uid','$tag', '$entry_int_id')");
1261 }
1262
1263 array_push($tags_to_cache, $tag);
1264 }
1265
1266 /* update the cache */
1267
1268 $tags_to_cache = array_unique($tags_to_cache);
1269
1270 $tags_str = db_escape_string(join(",", $tags_to_cache));
1271
1272 db_query($link, "UPDATE ttrss_user_entries
1273 SET tag_cache = '$tags_str' WHERE ref_id = '$entry_ref_id'
1274 AND owner_uid = $owner_uid");
1275
1276 db_query($link, "COMMIT");
1277 }
1278
1279 if ($debug_enabled) {
1280 _debug("update_rss_feed: article processed");
1281 }
1282 }
1283
1284 if (!$last_updated) {
1285 if ($debug_enabled) {
1286 _debug("update_rss_feed: new feed, catching it up...");
1287 }
1288 catchup_feed($link, $feed, false, $owner_uid);
1289 }
1290
1291 if ($debug_enabled) {
1292 _debug("purging feed...");
1293 }
1294
1295 purge_feed($link, $feed, 0, $debug_enabled);
1296
1297 db_query($link, "UPDATE ttrss_feeds
382268c6
AD		 1298 SET last_updated = NOW(),
1299 favicon_last_checked = NOW(),
1300 last_error = '' WHERE id = '$feed'");
2c08214a
AD		 1301
1302// db_query($link, "COMMIT");
1303
1304 } else {
1305
1306 if ($use_simplepie) {
1307 $error_msg = mb_substr($rss->error(), 0, 250);
1308 } else {
1309 $error_msg = mb_substr(magpie_error(), 0, 250);
1310 }
1311
1312 if ($debug_enabled) {
1313 _debug("update_rss_feed: error fetching feed: $error_msg");
1314 }
1315
1316 $error_msg = db_escape_string($error_msg);
1317
1318 db_query($link,
1319 "UPDATE ttrss_feeds SET last_error = '$error_msg',
1320 last_updated = NOW() WHERE id = '$feed'");
1321 }
1322
1323 if ($use_simplepie) {
1324 unset($rss);
1325 }
1326
1327 if ($debug_enabled) {
1328 _debug("update_rss_feed: done");
1329 }
1330
1331 }
1332
3c696512
AD		 1333 function cache_images($html, $site_url, $debug) {
1334 $cache_dir = CACHE_DIR . "/images";
1335
1336 libxml_use_internal_errors(true);
1337
1338 $charset_hack = '<head>
1339 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
1340 </head>';
1341
1342 $doc = new DOMDocument();
1343 $doc->loadHTML($charset_hack . $html);
1344 $xpath = new DOMXPath($doc);
1345
1346 $entries = $xpath->query('(//img[@src])');
1347
1348 foreach ($entries as $entry) {
1349 if ($entry->hasAttribute('src')) {
1350 $src = rewrite_relative_url($site_url, $entry->getAttribute('src'));
1351
1352 $local_filename = CACHE_DIR . "/images/" . sha1($src) . ".png";
1353
1354 if ($debug) _debug("cache_images: downloading: $src to $local_filename");
1355
1356 if (!file_exists($local_filename)) {
1357 $file_content = fetch_file_contents($src);
1358
b8379e69 1359 if ($file_content && strlen($file_content) > 1024) {
3c696512
AD		 1360 file_put_contents($local_filename, $file_content);
1361 }
1362 }
1363
1364 if (file_exists($local_filename)) {
1365 $entry->setAttribute('src', SELF_URL_PATH . '/image.php?url=' .
487f0750 1366 base64_encode($src));
3c696512
AD		 1367 }
1368 }
1369 }
1370
1371 $node = $doc->getElementsByTagName('body')->item(0);
1372
7b8ff151 1373 return $doc->saveXML($node, LIBXML_NOEMPTYTAG);
3c696512
AD		 1374 }
1375
1376 function expire_cached_files($debug) {
d3158e22 1377 foreach (array("magpie", "simplepie", "images", "export") as $dir) {
3c696512 1378 $cache_dir = CACHE_DIR . "/$dir";
2c08214a 1379
3c696512 1380 if ($debug) _debug("Expiring $cache_dir");
2c08214a 1381
3c696512
AD		 1382 $num_deleted = 0;
1383
1384 if (is_writable($cache_dir)) {
1385 $files = glob("$cache_dir/*");
1386
2ab20c31
AD		 1387 if ($files)
1388 foreach ($files as $file) {
1389 if (time() - filemtime($file) > 86400*7) {
1390 unlink($file);
3c696512 1391
2ab20c31
AD		 1392 ++$num_deleted;
1393 }
3c696512
AD		 1394 }
1395 }
3c696512
AD		 1396
1397 if ($debug) _debug("Removed $num_deleted files.");
1398 }
1399 }
2c08214a 1400
a3e0bdcf
AD		 1401 /**
1402 * Source: http://www.php.net/manual/en/function.parse-url.php#104527
1403 * Returns the url query as associative array
1404 *
1405 * @param string query
1406 * @return array params
1407 */
1408 function convertUrlQuery($query) {
1409 $queryParts = explode('&', $query);
1410
1411 $params = array();
1412
1413 foreach ($queryParts as $param) {
1414 $item = explode('=', $param);
1415 $params[$item[0]] = $item[1];
1416 }
1417
1418 return $params;
1419 }
2c08214a 1420?>
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