]> git.wh0rd.org - tt-rss.git/blame - include/rssfuncs.php
add counter hack to combined mode
[tt-rss.git] / include / rssfuncs.php
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2c08214a 1<?php
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2 define('DAEMON_UPDATE_LOGIN_LIMIT', 30);
3 define('DAEMON_FEED_LIMIT', 100);
4 define('DAEMON_SLEEP_INTERVAL', 120);
5
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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
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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
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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) {
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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)
84 ) OR ttrss_feeds.last_updated IS NULL)";
85 } else {
86 $update_limit_qpart = "AND ((
87 ttrss_feeds.update_interval = 0
88 AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL CONVERT(ttrss_user_prefs.value, SIGNED INTEGER) MINUTE)
89 ) OR (
90 ttrss_feeds.update_interval > 0
91 AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL ttrss_feeds.update_interval MINUTE)
92 ) OR ttrss_feeds.last_updated IS NULL)";
93 }
94
95 // Test if feed is currently being updated by another process.
96 if (DB_TYPE == "pgsql") {
97 $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '5 minutes')";
98 } else {
99 $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 5 MINUTE))";
100 }
101
102 // Test if there is a limit to number of updated feeds
103 $query_limit = "";
104 if($limit) $query_limit = sprintf("LIMIT %d", $limit);
105
106 $random_qpart = sql_random_function();
107
108 // We search for feed needing update.
109 $result = db_query($link, "SELECT ttrss_feeds.feed_url,ttrss_feeds.id, ttrss_feeds.owner_uid,
110 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
111 ttrss_feeds.update_interval
112 FROM
113 ttrss_feeds, ttrss_users, ttrss_user_prefs
114 WHERE
115 ttrss_feeds.owner_uid = ttrss_users.id
116 AND ttrss_users.id = ttrss_user_prefs.owner_uid
117 AND ttrss_user_prefs.pref_name = 'DEFAULT_UPDATE_INTERVAL'
118 $login_thresh_qpart $update_limit_qpart
119 $updstart_thresh_qpart
120 ORDER BY $random_qpart $query_limit");
121
122 $user_prefs_cache = array();
123
124 if($debug) _debug(sprintf("Scheduled %d feeds to update...\n", db_num_rows($result)));
125
126 // Here is a little cache magic in order to minimize risk of double feed updates.
127 $feeds_to_update = array();
128 while ($line = db_fetch_assoc($result)) {
129 $feeds_to_update[$line['id']] = $line;
130 }
131
132 // We update the feed last update started date before anything else.
133 // There is no lag due to feed contents downloads
134 // It prevent an other process to update the same feed.
135 $feed_ids = array_keys($feeds_to_update);
136 if($feed_ids) {
137 db_query($link, sprintf("UPDATE ttrss_feeds SET last_update_started = NOW()
138 WHERE id IN (%s)", implode(',', $feed_ids)));
139 }
140
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141 expire_cached_files($debug);
142
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143 // For each feed, we call the feed update function.
144 while ($line = array_pop($feeds_to_update)) {
145
146 if($debug) _debug("Feed: " . $line["feed_url"] . ", " . $line["last_updated"]);
147
148 update_rss_feed($link, $line["id"], true);
149
150 sleep(1); // prevent flood (FIXME make this an option?)
151 }
152
153 // Send feed digests by email if needed.
8437c066 154 send_headlines_digests($link, $debug);
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155
156 } // function update_daemon_common
157
158 function fetch_twitter_rss($link, $url, $owner_uid) {
159
160 require_once 'lib/tmhoauth/tmhOAuth.php';
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161 require_once "lib/magpierss/rss_fetch.inc";
162 require_once 'lib/magpierss/rss_utils.inc';
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163
164 $result = db_query($link, "SELECT twitter_oauth FROM ttrss_users
165 WHERE id = $owner_uid");
166
167 $access_token = json_decode(db_fetch_result($result, 0, 'twitter_oauth'), true);
168 $url_escaped = db_escape_string($url);
169
170 if ($access_token) {
171
172 $tmhOAuth = new tmhOAuth(array(
173 'consumer_key' => CONSUMER_KEY,
174 'consumer_secret' => CONSUMER_SECRET,
175 'user_token' => $access_token['oauth_token'],
176 'user_secret' => $access_token['oauth_token_secret'],
177 ));
178
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179 $code = $tmhOAuth->request('GET', $url,
180 convertUrlQuery(parse_url($url, PHP_URL_QUERY)));
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181
182 if ($code == 200) {
183
184 $content = $tmhOAuth->response['response'];
185
186 define('MAGPIE_CACHE_ON', false);
187
188 $rss = new MagpieRSS($content, MAGPIE_OUTPUT_ENCODING,
189 MAGPIE_INPUT_ENCODING, MAGPIE_DETECT_ENCODING );
190
191 return $rss;
192
193 } else {
194
195 db_query($link, "UPDATE ttrss_feeds
196 SET last_error = 'OAuth authorization failed ($code).'
197 WHERE feed_url = '$url_escaped' AND owner_uid = $owner_uid");
198 }
199
200 } else {
201
202 db_query($link, "UPDATE ttrss_feeds
203 SET last_error = 'OAuth information not found.'
204 WHERE feed_url = '$url_escaped' AND owner_uid = $owner_uid");
205
206 return false;
207 }
208 }
209
210 function update_rss_feed($link, $feed, $ignore_daemon = false, $no_cache = false) {
211
212 global $memcache;
213
214 /* Update all feeds with the same URL to utilize memcache */
215
216 if ($memcache) {
217 $result = db_query($link, "SELECT f1.id
218 FROM ttrss_feeds AS f1, ttrss_feeds AS f2
219 WHERE f2.feed_url = f1.feed_url AND f2.id = '$feed'");
220
221 while ($line = db_fetch_assoc($result)) {
222 update_rss_feed_real($link, $line["id"], $ignore_daemon, $no_cache);
223 }
224 } else {
225 update_rss_feed_real($link, $feed, $ignore_daemon, $no_cache);
226 }
227 }
228
229 function update_rss_feed_real($link, $feed, $ignore_daemon = false, $no_cache = false,
230 $override_url = false) {
231
232 require_once "lib/simplepie/simplepie.inc";
233 require_once "lib/magpierss/rss_fetch.inc";
234 require_once 'lib/magpierss/rss_utils.inc';
235
236 global $memcache;
237
238 $debug_enabled = defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug'];
239
240 if (!$_REQUEST["daemon"] && !$ignore_daemon) {
241 return false;
242 }
243
244 if ($debug_enabled) {
245 _debug("update_rss_feed: start");
246 }
247
248 if (!$ignore_daemon) {
249
250 if (DB_TYPE == "pgsql") {
251 $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
252 } else {
253 $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
254 }
255
256 $result = db_query($link, "SELECT id,update_interval,auth_login,
257 auth_pass,cache_images,update_method
258 FROM ttrss_feeds WHERE id = '$feed' AND $updstart_thresh_qpart");
259
260 } else {
261
262 $result = db_query($link, "SELECT id,update_interval,auth_login,
263 feed_url,auth_pass,cache_images,update_method,last_updated,
264 mark_unread_on_update, owner_uid, update_on_checksum_change,
265 pubsub_state
266 FROM ttrss_feeds WHERE id = '$feed'");
267
268 }
269
270 if (db_num_rows($result) == 0) {
271 if ($debug_enabled) {
272 _debug("update_rss_feed: feed $feed NOT FOUND/SKIPPED");
273 }
274 return false;
275 }
276
277 $update_method = db_fetch_result($result, 0, "update_method");
278 $last_updated = db_fetch_result($result, 0, "last_updated");
279 $owner_uid = db_fetch_result($result, 0, "owner_uid");
280 $mark_unread_on_update = sql_bool_to_bool(db_fetch_result($result,
281 0, "mark_unread_on_update"));
282 $update_on_checksum_change = sql_bool_to_bool(db_fetch_result($result,
283 0, "update_on_checksum_change"));
284 $pubsub_state = db_fetch_result($result, 0, "pubsub_state");
285
286 db_query($link, "UPDATE ttrss_feeds SET last_update_started = NOW()
287 WHERE id = '$feed'");
288
289 $auth_login = db_fetch_result($result, 0, "auth_login");
290 $auth_pass = db_fetch_result($result, 0, "auth_pass");
291
292 if ($update_method == 0)
293 $update_method = DEFAULT_UPDATE_METHOD + 1;
294
295 // 1 - Magpie
296 // 2 - SimplePie
297 // 3 - Twitter OAuth
298
299 if ($update_method == 2)
300 $use_simplepie = true;
301 else
302 $use_simplepie = false;
303
304 if ($debug_enabled) {
305 _debug("update method: $update_method (feed setting: $update_method) (use simplepie: $use_simplepie)\n");
306 }
307
308 if ($update_method == 1) {
309 $auth_login = urlencode($auth_login);
310 $auth_pass = urlencode($auth_pass);
311 }
312
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313 $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images"));
314 $fetch_url = db_fetch_result($result, 0, "feed_url");
315
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316 $feed = db_escape_string($feed);
317
318 if ($auth_login && $auth_pass ){
319 $url_parts = array();
320 preg_match("/(^[^:]*):\/\/(.*)/", $fetch_url, $url_parts);
321
322 if ($url_parts[1] && $url_parts[2]) {
323 $fetch_url = $url_parts[1] . "://$auth_login:$auth_pass@" . $url_parts[2];
324 }
325
326 }
327
328 if ($override_url)
329 $fetch_url = $override_url;
330
331 if ($debug_enabled) {
332 _debug("update_rss_feed: fetching [$fetch_url]...");
333 }
334
335 $obj_id = md5("FDATA:$use_simplepie:$fetch_url");
336
337 if ($memcache && $obj = $memcache->get($obj_id)) {
338
339 if ($debug_enabled) {
340 _debug("update_rss_feed: data found in memcache.");
341 }
342
343 $rss = $obj;
344
345 } else {
346
347 if ($update_method == 3) {
348 $rss = fetch_twitter_rss($link, $fetch_url, $owner_uid);
349 } else if ($update_method == 1) {
350
351 define('MAGPIE_CACHE_AGE', get_feed_update_interval($link, $feed) * 60);
352 define('MAGPIE_CACHE_ON', !$no_cache);
353 define('MAGPIE_FETCH_TIME_OUT', 60);
354 define('MAGPIE_CACHE_DIR', CACHE_DIR . "/magpie");
355
356 $rss = @fetch_rss($fetch_url);
357 } else {
358 $simplepie_cache_dir = CACHE_DIR . "/simplepie";
359
360 if (!is_dir($simplepie_cache_dir)) {
361 mkdir($simplepie_cache_dir);
362 }
363
364 $rss = new SimplePie();
365 $rss->set_useragent(SELF_USER_AGENT);
366 # $rss->set_timeout(10);
367 $rss->set_feed_url($fetch_url);
368 $rss->set_output_encoding('UTF-8');
f1e511c8 369 //$rss->force_feed(true);
2c08214a 370
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371 if ($debug_enabled) {
372 _debug("feed update interval (sec): " .
373 get_feed_update_interval($link, $feed)*60);
374 }
375
376 $rss->enable_cache(!$no_cache);
377
378 if (!$no_cache) {
379 $rss->set_cache_location($simplepie_cache_dir);
380 $rss->set_cache_duration(get_feed_update_interval($link, $feed) * 60);
381 }
382
383 $rss->init();
384 }
385
386 if ($memcache && $rss) $memcache->add($obj_id, $rss, 0, 300);
387 }
388
389// print_r($rss);
390
391 if ($debug_enabled) {
392 _debug("update_rss_feed: fetch done, parsing...");
393 }
394
395 $feed = db_escape_string($feed);
396
397 if ($update_method == 2) {
398 $fetch_ok = !$rss->error();
399 } else {
400 $fetch_ok = !!$rss;
401 }
402
403 if ($fetch_ok) {
404
405 if ($debug_enabled) {
406 _debug("update_rss_feed: processing feed data...");
407 }
408
409// db_query($link, "BEGIN");
410
411 $result = db_query($link, "SELECT title,icon_url,site_url,owner_uid
412 FROM ttrss_feeds WHERE id = '$feed'");
413
414 $registered_title = db_fetch_result($result, 0, "title");
415 $orig_icon_url = db_fetch_result($result, 0, "icon_url");
416 $orig_site_url = db_fetch_result($result, 0, "site_url");
417
418 $owner_uid = db_fetch_result($result, 0, "owner_uid");
419
420 if ($use_simplepie) {
0cf81637 421 $site_url = db_escape_string(trim($rss->get_link()));
2c08214a 422 } else {
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423 $site_url = db_escape_string(trim($rss->channel["link"]));
424 }
425
426 // weird, weird Magpie
427 if (!$use_simplepie) {
428 if (!$site_url) $site_url = db_escape_string($rss->channel["link_"]);
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429 }
430
431 $site_url = rewrite_relative_url($fetch_url, $site_url);
0cf81637 432 $site_url = substr($site_url, 0, 250);
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433
434 if ($debug_enabled) {
435 _debug("update_rss_feed: checking favicon...");
436 }
437
438 check_feed_favicon($site_url, $feed, $link);
439
440 if (!$registered_title || $registered_title == "[Unknown]") {
441
442 if ($use_simplepie) {
443 $feed_title = db_escape_string($rss->get_title());
444 } else {
445 $feed_title = db_escape_string($rss->channel["title"]);
446 }
447
448 if ($debug_enabled) {
449 _debug("update_rss_feed: registering title: $feed_title");
450 }
451
452 db_query($link, "UPDATE ttrss_feeds SET
453 title = '$feed_title' WHERE id = '$feed'");
454 }
455
0cf81637 456 if ($site_url && $orig_site_url != $site_url) {
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457 db_query($link, "UPDATE ttrss_feeds SET
458 site_url = '$site_url' WHERE id = '$feed'");
459 }
460
461// print "I: " . $rss->channel["image"]["url"];
462
463 if (!$use_simplepie) {
0cf81637 464 $icon_url = db_escape_string(trim($rss->image["url"]));
2c08214a 465 } else {
0cf81637 466 $icon_url = db_escape_string(trim($rss->get_image_url()));
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467 }
468
0cf81637 469 $icon_url = rewrite_relative_url($fetch_url, $icon_url);
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470 $icon_url = substr($icon_url, 0, 250);
471
472 if ($icon_url && $orig_icon_url != $icon_url) {
473 db_query($link, "UPDATE ttrss_feeds SET icon_url = '$icon_url' WHERE id = '$feed'");
474 }
475
476 if ($debug_enabled) {
477 _debug("update_rss_feed: loading filters...");
478 }
479
480 $filters = load_filters($link, $feed, $owner_uid);
481
482// if ($debug_enabled) {
483// print_r($filters);
484// }
485
486 if ($use_simplepie) {
487 $iterator = $rss->get_items();
488 } else {
489 $iterator = $rss->items;
490 if (!$iterator || !is_array($iterator)) $iterator = $rss->entries;
491 if (!$iterator || !is_array($iterator)) $iterator = $rss;
492 }
493
494 if (!is_array($iterator)) {
495 /* db_query($link, "UPDATE ttrss_feeds
496 SET last_error = 'Parse error: can\'t find any articles.'
497 WHERE id = '$feed'"); */
498
499 // clear any errors and mark feed as updated if fetched okay
500 // even if it's blank
501
502 if ($debug_enabled) {
503 _debug("update_rss_feed: entry iterator is not an array, no articles?");
504 }
505
506 db_query($link, "UPDATE ttrss_feeds
507 SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
508
509 return; // no articles
510 }
511
512 if ($pubsub_state != 2 && PUBSUBHUBBUB_ENABLED) {
513
514 if ($debug_enabled) _debug("update_rss_feed: checking for PUSH hub...");
515
516 $feed_hub_url = false;
517 if ($use_simplepie) {
518 $links = $rss->get_links('hub');
519
520 if ($links && is_array($links)) {
521 foreach ($links as $l) {
522 $feed_hub_url = $l;
523 break;
524 }
525 }
526
527 } else {
528 $atom = $rss->channel['atom'];
529
530 if ($atom) {
531 if ($atom['link@rel'] == 'hub') {
532 $feed_hub_url = $atom['link@href'];
533 }
534
535 if (!$feed_hub_url && $atom['link#'] > 1) {
536 for ($i = 2; $i <= $atom['link#']; $i++) {
537 if ($atom["link#$i@rel"] == 'hub') {
538 $feed_hub_url = $atom["link#$i@href"];
539 break;
540 }
541 }
542 }
543 } else {
544 $feed_hub_url = $rss->channel['link_hub'];
545 }
546 }
547
548 if ($debug_enabled) _debug("update_rss_feed: feed hub url: $feed_hub_url");
549
550 if ($feed_hub_url && function_exists('curl_init') &&
551 !ini_get("open_basedir")) {
552
553 require_once 'lib/pubsubhubbub/subscriber.php';
554
555 $callback_url = get_self_url_prefix() .
556 "/public.php?op=pubsub&id=$feed";
557
558 $s = new Subscriber($feed_hub_url, $callback_url);
559
560 $rc = $s->subscribe($fetch_url);
561
562 if ($debug_enabled)
563 _debug("update_rss_feed: feed hub url found, subscribe request sent.");
564
565 db_query($link, "UPDATE ttrss_feeds SET pubsub_state = 1
566 WHERE id = '$feed'");
567 }
568 }
569
570 if ($debug_enabled) {
571 _debug("update_rss_feed: processing articles...");
572 }
573
574 foreach ($iterator as $item) {
575
576 if ($_REQUEST['xdebug'] == 2) {
577 print_r($item);
578 }
579
580 if ($use_simplepie) {
581 $entry_guid = $item->get_id();
582 if (!$entry_guid) $entry_guid = $item->get_link();
583 if (!$entry_guid) $entry_guid = make_guid_from_title($item->get_title());
584
585 } else {
586
587 $entry_guid = $item["id"];
588
589 if (!$entry_guid) $entry_guid = $item["guid"];
590 if (!$entry_guid) $entry_guid = $item["about"];
591 if (!$entry_guid) $entry_guid = $item["link"];
592 if (!$entry_guid) $entry_guid = make_guid_from_title($item["title"]);
593 }
594
595 if ($debug_enabled) {
596 _debug("update_rss_feed: guid $entry_guid");
597 }
598
599 if (!$entry_guid) continue;
600
601 $entry_timestamp = "";
602
603 if ($use_simplepie) {
604 $entry_timestamp = strtotime($item->get_date());
605 } else {
606 $rss_2_date = $item['pubdate'];
607 $rss_1_date = $item['dc']['date'];
608 $atom_date = $item['issued'];
609 if (!$atom_date) $atom_date = $item['updated'];
610
611 if ($atom_date != "") $entry_timestamp = parse_w3cdtf($atom_date);
612 if ($rss_1_date != "") $entry_timestamp = parse_w3cdtf($rss_1_date);
613 if ($rss_2_date != "") $entry_timestamp = strtotime($rss_2_date);
614
615 }
616
617 if ($entry_timestamp == "" || $entry_timestamp == -1 || !$entry_timestamp) {
618 $entry_timestamp = time();
619 $no_orig_date = 'true';
620 } else {
621 $no_orig_date = 'false';
622 }
623
624 $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
625
626 if ($debug_enabled) {
627 _debug("update_rss_feed: date $entry_timestamp [$entry_timestamp_fmt]");
628 }
629
630 if ($use_simplepie) {
631 $entry_title = $item->get_title();
632 } else {
633 $entry_title = trim(strip_tags($item["title"]));
634 }
635
636 if ($use_simplepie) {
637 $entry_link = $item->get_link();
638 } else {
639 // strange Magpie workaround
640 $entry_link = $item["link_"];
641 if (!$entry_link) $entry_link = $item["link"];
642 }
643
644 $entry_link = rewrite_relative_url($site_url, $entry_link);
645
646 if ($debug_enabled) {
647 _debug("update_rss_feed: title $entry_title");
648 _debug("update_rss_feed: link $entry_link");
649 }
650
651 if (!$entry_title) $entry_title = date("Y-m-d H:i:s", $entry_timestamp);;
652
653 $entry_link = strip_tags($entry_link);
654
655 if ($use_simplepie) {
656 $entry_content = $item->get_content();
657 if (!$entry_content) $entry_content = $item->get_description();
658 } else {
659 $entry_content = $item["content:escaped"];
660
661 if (!$entry_content) $entry_content = $item["content:encoded"];
662 if (!$entry_content) $entry_content = $item["content"]["encoded"];
663 if (!$entry_content) $entry_content = $item["content"];
664
665 if (is_array($entry_content)) $entry_content = $entry_content[0];
666
667 // Magpie bugs are getting ridiculous
668 if (trim($entry_content) == "Array") $entry_content = false;
669
670 if (!$entry_content) $entry_content = $item["atom_content"];
671 if (!$entry_content) $entry_content = $item["summary"];
672
673 if (!$entry_content ||
674 strlen($entry_content) < strlen($item["description"])) {
675 $entry_content = $item["description"];
676 };
677
678 // WTF
679 if (is_array($entry_content)) {
680 $entry_content = $entry_content["encoded"];
681 if (!$entry_content) $entry_content = $entry_content["escaped"];
682 }
683 }
684
c5867798 685 if ($cache_images && is_writable(CACHE_DIR . '/images'))
3c696512
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686 $entry_content = cache_images($entry_content, $site_url, $debug_enabled);
687
2c08214a
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688 if ($_REQUEST["xdebug"] == 2) {
689 print "update_rss_feed: content: ";
487f0750 690 print $entry_content;
3c696512 691 print "\n";
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692 }
693
694 $entry_content_unescaped = $entry_content;
695
696 if ($use_simplepie) {
697 $entry_comments = strip_tags($item->data["comments"]);
698 if ($item->get_author()) {
699 $entry_author_item = $item->get_author();
700 $entry_author = $entry_author_item->get_name();
701 if (!$entry_author) $entry_author = $entry_author_item->get_email();
702
703 $entry_author = db_escape_string($entry_author);
704 }
705 } else {
706 $entry_comments = strip_tags($item["comments"]);
707
708 $entry_author = db_escape_string(strip_tags($item['dc']['creator']));
709
710 if ($item['author']) {
711
712 if (is_array($item['author'])) {
713
714 if (!$entry_author) {
715 $entry_author = db_escape_string(strip_tags($item['author']['name']));
716 }
717
718 if (!$entry_author) {
719 $entry_author = db_escape_string(strip_tags($item['author']['email']));
720 }
721 }
722
723 if (!$entry_author) {
724 $entry_author = db_escape_string(strip_tags($item['author']));
725 }
726 }
727 }
728
729 if (preg_match('/^[\t\n\r ]*$/', $entry_author)) $entry_author = '';
730
731 $entry_guid = db_escape_string(strip_tags($entry_guid));
732 $entry_guid = mb_substr($entry_guid, 0, 250);
733
734 $result = db_query($link, "SELECT id FROM ttrss_entries
735 WHERE guid = '$entry_guid'");
736
737 $entry_content = db_escape_string($entry_content, false);
738
487f0750 739 $content_hash = "SHA1:" . sha1(strip_tags($entry_content));
2c08214a
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740
741 $entry_title = db_escape_string($entry_title);
742 $entry_link = db_escape_string($entry_link);
743 $entry_comments = mb_substr(db_escape_string($entry_comments), 0, 250);
744 $entry_author = mb_substr($entry_author, 0, 250);
745
746 if ($use_simplepie) {
747 $num_comments = 0; #FIXME#
748 } else {
749 $num_comments = db_escape_string($item["slash"]["comments"]);
750 }
751
752 if (!$num_comments) $num_comments = 0;
753
754 if ($debug_enabled) {
755 _debug("update_rss_feed: looking for tags [1]...");
756 }
757
758 // parse <category> entries into tags
759
760 $additional_tags = array();
761
762 if ($use_simplepie) {
763
764 $additional_tags_src = $item->get_categories();
765
766 if (is_array($additional_tags_src)) {
767 foreach ($additional_tags_src as $tobj) {
768 array_push($additional_tags, $tobj->get_term());
769 }
770 }
771
772 if ($debug_enabled) {
773 _debug("update_rss_feed: category tags:");
774 print_r($additional_tags);
775 }
776
777 } else {
778
779 $t_ctr = $item['category#'];
780
781 if ($t_ctr == 0) {
782 $additional_tags = array();
783 } else if ($t_ctr > 0) {
784 $additional_tags = array($item['category']);
785
786 if ($item['category@term']) {
787 array_push($additional_tags, $item['category@term']);
788 }
789
790 for ($i = 0; $i <= $t_ctr; $i++ ) {
791 if ($item["category#$i"]) {
792 array_push($additional_tags, $item["category#$i"]);
793 }
794
795 if ($item["category#$i@term"]) {
796 array_push($additional_tags, $item["category#$i@term"]);
797 }
798 }
799 }
800
801 // parse <dc:subject> elements
802
803 $t_ctr = $item['dc']['subject#'];
804
805 if ($t_ctr > 0) {
806 array_push($additional_tags, $item['dc']['subject']);
807
808 for ($i = 0; $i <= $t_ctr; $i++ ) {
809 if ($item['dc']["subject#$i"]) {
810 array_push($additional_tags, $item['dc']["subject#$i"]);
811 }
812 }
813 }
814 }
815
816 if ($debug_enabled) {
817 _debug("update_rss_feed: looking for tags [2]...");
818 }
819
820 /* taaaags */
821 // <a href="..." rel="tag">Xorg</a>, //
822
823 $entry_tags = null;
824
825 preg_match_all("/<a.*?rel=['\"]tag['\"].*?\>([^<]+)<\/a>/i",
826 $entry_content_unescaped, $entry_tags);
827
828 $entry_tags = $entry_tags[1];
829
830 $entry_tags = array_merge($entry_tags, $additional_tags);
831 $entry_tags = array_unique($entry_tags);
832
833 for ($i = 0; $i < count($entry_tags); $i++)
834 $entry_tags[$i] = mb_strtolower($entry_tags[$i], 'utf-8');
835
836 if ($debug_enabled) {
837 _debug("update_rss_feed: unfiltered tags found:");
838 print_r($entry_tags);
839 }
840
841 # sanitize content
842
843 $entry_content = sanitize_article_content($entry_content);
844 $entry_title = sanitize_article_content($entry_title);
845
846 if ($debug_enabled) {
847 _debug("update_rss_feed: done collecting data [TITLE:$entry_title]");
848 }
849
850 db_query($link, "BEGIN");
851
852 if (db_num_rows($result) == 0) {
853
854 if ($debug_enabled) {
855 _debug("update_rss_feed: base guid not found");
856 }
857
858 // base post entry does not exist, create it
859
860 $result = db_query($link,
861 "INSERT INTO ttrss_entries
862 (title,
863 guid,
864 link,
865 updated,
866 content,
867 content_hash,
868 no_orig_date,
869 date_updated,
870 date_entered,
871 comments,
872 num_comments,
873 author)
874 VALUES
875 ('$entry_title',
876 '$entry_guid',
877 '$entry_link',
878 '$entry_timestamp_fmt',
879 '$entry_content',
880 '$content_hash',
881 $no_orig_date,
882 NOW(),
883 NOW(),
884 '$entry_comments',
885 '$num_comments',
886 '$entry_author')");
887 } else {
888 // we keep encountering the entry in feeds, so we need to
889 // update date_updated column so that we don't get horrible
890 // dupes when the entry gets purged and reinserted again e.g.
891 // in the case of SLOW SLOW OMG SLOW updating feeds
892
893 $base_entry_id = db_fetch_result($result, 0, "id");
894
895 db_query($link, "UPDATE ttrss_entries SET date_updated = NOW()
896 WHERE id = '$base_entry_id'");
897 }
898
899 // now it should exist, if not - bad luck then
900
901 $result = db_query($link, "SELECT
902 id,content_hash,no_orig_date,title,
903 ".SUBSTRING_FOR_DATE."(date_updated,1,19) as date_updated,
904 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated,
905 num_comments
906 FROM
907 ttrss_entries
908 WHERE guid = '$entry_guid'");
909
910 $entry_ref_id = 0;
911 $entry_int_id = 0;
912
913 if (db_num_rows($result) == 1) {
914
915 if ($debug_enabled) {
916 _debug("update_rss_feed: base guid found, checking for user record");
917 }
918
919 // this will be used below in update handler
920 $orig_content_hash = db_fetch_result($result, 0, "content_hash");
921 $orig_title = db_fetch_result($result, 0, "title");
922 $orig_num_comments = db_fetch_result($result, 0, "num_comments");
923 $orig_date_updated = strtotime(db_fetch_result($result,
924 0, "date_updated"));
925
926 $ref_id = db_fetch_result($result, 0, "id");
927 $entry_ref_id = $ref_id;
928
929 // check for user post link to main table
930
931 // do we allow duplicate posts with same GUID in different feeds?
932 if (get_pref($link, "ALLOW_DUPLICATE_POSTS", $owner_uid, false)) {
933 $dupcheck_qpart = "AND (feed_id = '$feed' OR feed_id IS NULL)";
934 } else {
935 $dupcheck_qpart = "";
936 }
937
938 /* Collect article tags here so we could filter by them: */
939
940 $article_filters = get_article_filters($filters, $entry_title,
941 $entry_content, $entry_link, $entry_timestamp, $entry_author,
942 $entry_tags);
943
944 if ($debug_enabled) {
945 _debug("update_rss_feed: article filters: ");
946 if (count($article_filters) != 0) {
947 print_r($article_filters);
948 }
949 }
950
951 if (find_article_filter($article_filters, "filter")) {
952 db_query($link, "COMMIT"); // close transaction in progress
953 continue;
954 }
955
956 $score = calculate_article_score($article_filters);
957
958 if ($debug_enabled) {
959 _debug("update_rss_feed: initial score: $score");
960 }
961
962 $query = "SELECT ref_id, int_id FROM ttrss_user_entries WHERE
963 ref_id = '$ref_id' AND owner_uid = '$owner_uid'
964 $dupcheck_qpart";
965
966// if ($_REQUEST["xdebug"]) print "$query\n";
967
968 $result = db_query($link, $query);
969
970 // okay it doesn't exist - create user entry
971 if (db_num_rows($result) == 0) {
972
973 if ($debug_enabled) {
974 _debug("update_rss_feed: user record not found, creating...");
975 }
976
977 if ($score >= -500 && !find_article_filter($article_filters, 'catchup')) {
978 $unread = 'true';
979 $last_read_qpart = 'NULL';
980 } else {
981 $unread = 'false';
982 $last_read_qpart = 'NOW()';
983 }
984
985 if (find_article_filter($article_filters, 'mark') || $score > 1000) {
986 $marked = 'true';
987 } else {
988 $marked = 'false';
989 }
990
991 if (find_article_filter($article_filters, 'publish')) {
992 $published = 'true';
993 } else {
994 $published = 'false';
995 }
996
997 $result = db_query($link,
998 "INSERT INTO ttrss_user_entries
999 (ref_id, owner_uid, feed_id, unread, last_read, marked,
1000 published, score, tag_cache, label_cache, uuid)
1001 VALUES ('$ref_id', '$owner_uid', '$feed', $unread,
1002 $last_read_qpart, $marked, $published, '$score', '', '', '')");
1003
1004 if (PUBSUBHUBBUB_HUB && $published == 'true') {
1005 $rss_link = get_self_url_prefix() .
1006 "/public.php?op=rss&id=-2&key=" .
1007 get_feed_access_key($link, -2, false, $owner_uid);
1008
1009 $p = new Publisher(PUBSUBHUBBUB_HUB);
1010
1011 $pubsub_result = $p->publish_update($rss_link);
1012 }
1013
1014 $result = db_query($link,
1015 "SELECT int_id FROM ttrss_user_entries WHERE
1016 ref_id = '$ref_id' AND owner_uid = '$owner_uid' AND
1017 feed_id = '$feed' LIMIT 1");
1018
1019 if (db_num_rows($result) == 1) {
1020 $entry_int_id = db_fetch_result($result, 0, "int_id");
1021 }
1022 } else {
1023 if ($debug_enabled) {
1024 _debug("update_rss_feed: user record FOUND");
1025 }
1026
1027 $entry_ref_id = db_fetch_result($result, 0, "ref_id");
1028 $entry_int_id = db_fetch_result($result, 0, "int_id");
1029 }
1030
1031 if ($debug_enabled) {
1032 _debug("update_rss_feed: RID: $entry_ref_id, IID: $entry_int_id");
1033 }
1034
1035 $post_needs_update = false;
1036 $update_insignificant = false;
1037
1038 if ($orig_num_comments != $num_comments) {
1039 $post_needs_update = true;
1040 $update_insignificant = true;
1041 }
1042
1043 if ($content_hash != $orig_content_hash) {
1044 $post_needs_update = true;
1045 $update_insignificant = false;
1046 }
1047
1048 if (db_escape_string($orig_title) != $entry_title) {
1049 $post_needs_update = true;
1050 $update_insignificant = false;
1051 }
1052
1053 // if post needs update, update it and mark all user entries
1054 // linking to this post as updated
1055 if ($post_needs_update) {
1056
1057 if (defined('DAEMON_EXTENDED_DEBUG')) {
1058 _debug("update_rss_feed: post $entry_guid needs update...");
1059 }
1060
1061// print "<!-- post $orig_title needs update : $post_needs_update -->";
1062
1063 db_query($link, "UPDATE ttrss_entries
1064 SET title = '$entry_title', content = '$entry_content',
1065 content_hash = '$content_hash',
1066 updated = '$entry_timestamp_fmt',
1067 num_comments = '$num_comments'
1068 WHERE id = '$ref_id'");
1069
1070 if (!$update_insignificant) {
1071 if ($mark_unread_on_update) {
1072 db_query($link, "UPDATE ttrss_user_entries
1073 SET last_read = null, unread = true WHERE ref_id = '$ref_id'");
1074 } else if ($update_on_checksum_change) {
1075 db_query($link, "UPDATE ttrss_user_entries
1076 SET last_read = null WHERE ref_id = '$ref_id'
1077 AND unread = false");
1078 }
1079 }
1080 }
1081 }
1082
1083 db_query($link, "COMMIT");
1084
1085 if ($debug_enabled) {
1086 _debug("update_rss_feed: assigning labels...");
1087 }
1088
1089 assign_article_to_labels($link, $entry_ref_id, $article_filters,
1090 $owner_uid);
1091
1092 if ($debug_enabled) {
1093 _debug("update_rss_feed: looking for enclosures...");
1094 }
1095
1096 // enclosures
1097
1098 $enclosures = array();
1099
1100 if ($use_simplepie) {
1101 $encs = $item->get_enclosures();
1102
1103 if (is_array($encs)) {
1104 foreach ($encs as $e) {
1105 $e_item = array(
1106 $e->link, $e->type, $e->length);
1107
1108 array_push($enclosures, $e_item);
1109 }
1110 }
1111
1112 } else {
1113 // <enclosure>
1114
1115 $e_ctr = $item['enclosure#'];
1116
1117 if ($e_ctr > 0) {
1118 $e_item = array($item['enclosure@url'],
1119 $item['enclosure@type'],
1120 $item['enclosure@length']);
1121
1122 array_push($enclosures, $e_item);
1123
1124 for ($i = 0; $i <= $e_ctr; $i++ ) {
1125
1126 if ($item["enclosure#$i@url"]) {
1127 $e_item = array($item["enclosure#$i@url"],
1128 $item["enclosure#$i@type"],
1129 $item["enclosure#$i@length"]);
1130 array_push($enclosures, $e_item);
1131 }
1132 }
1133 }
1134
1135 // <media:content>
1136 // can there be many of those? yes -fox
1137
1138 $m_ctr = $item['media']['content#'];
1139
1140 if ($m_ctr > 0) {
1141 $e_item = array($item['media']['content@url'],
1142 $item['media']['content@medium'],
1143 $item['media']['content@length']);
1144
1145 array_push($enclosures, $e_item);
1146
1147 for ($i = 0; $i <= $m_ctr; $i++ ) {
1148
1149 if ($item["media"]["content#$i@url"]) {
1150 $e_item = array($item["media"]["content#$i@url"],
1151 $item["media"]["content#$i@medium"],
1152 $item["media"]["content#$i@length"]);
1153 array_push($enclosures, $e_item);
1154 }
1155 }
1156
1157 }
1158 }
1159
1160
1161 if ($debug_enabled) {
1162 _debug("update_rss_feed: article enclosures:");
1163 print_r($enclosures);
1164 }
1165
1166 db_query($link, "BEGIN");
1167
1168 foreach ($enclosures as $enc) {
1169 $enc_url = db_escape_string($enc[0]);
1170 $enc_type = db_escape_string($enc[1]);
1171 $enc_dur = db_escape_string($enc[2]);
1172
1173 $result = db_query($link, "SELECT id FROM ttrss_enclosures
1174 WHERE content_url = '$enc_url' AND post_id = '$entry_ref_id'");
1175
1176 if (db_num_rows($result) == 0) {
1177 db_query($link, "INSERT INTO ttrss_enclosures
1178 (content_url, content_type, title, duration, post_id) VALUES
1179 ('$enc_url', '$enc_type', '', '$enc_dur', '$entry_ref_id')");
1180 }
1181 }
1182
1183 db_query($link, "COMMIT");
1184
1185 // check for manual tags (we have to do it here since they're loaded from filters)
1186
1187 foreach ($article_filters as $f) {
1188 if ($f[0] == "tag") {
1189
1190 $manual_tags = trim_array(explode(",", $f[1]));
1191
1192 foreach ($manual_tags as $tag) {
1193 if (tag_is_valid($tag)) {
1194 array_push($entry_tags, $tag);
1195 }
1196 }
1197 }
1198 }
1199
1200 // Skip boring tags
1201
1202 $boring_tags = trim_array(explode(",", mb_strtolower(get_pref($link,
1203 'BLACKLISTED_TAGS', $owner_uid, ''), 'utf-8')));
1204
1205 $filtered_tags = array();
1206 $tags_to_cache = array();
1207
1208 if ($entry_tags && is_array($entry_tags)) {
1209 foreach ($entry_tags as $tag) {
1210 if (array_search($tag, $boring_tags) === false) {
1211 array_push($filtered_tags, $tag);
1212 }
1213 }
1214 }
1215
1216 $filtered_tags = array_unique($filtered_tags);
1217
1218 if ($debug_enabled) {
1219 _debug("update_rss_feed: filtered article tags:");
1220 print_r($filtered_tags);
1221 }
1222
1223 // Save article tags in the database
1224
1225 if (count($filtered_tags) > 0) {
1226
1227 db_query($link, "BEGIN");
1228
1229 foreach ($filtered_tags as $tag) {
1230
1231 $tag = sanitize_tag($tag);
1232 $tag = db_escape_string($tag);
1233
1234 if (!tag_is_valid($tag)) continue;
1235
1236 $result = db_query($link, "SELECT id FROM ttrss_tags
1237 WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND
1238 owner_uid = '$owner_uid' LIMIT 1");
1239
1240 if ($result && db_num_rows($result) == 0) {
1241
1242 db_query($link, "INSERT INTO ttrss_tags
1243 (owner_uid,tag_name,post_int_id)
1244 VALUES ('$owner_uid','$tag', '$entry_int_id')");
1245 }
1246
1247 array_push($tags_to_cache, $tag);
1248 }
1249
1250 /* update the cache */
1251
1252 $tags_to_cache = array_unique($tags_to_cache);
1253
1254 $tags_str = db_escape_string(join(",", $tags_to_cache));
1255
1256 db_query($link, "UPDATE ttrss_user_entries
1257 SET tag_cache = '$tags_str' WHERE ref_id = '$entry_ref_id'
1258 AND owner_uid = $owner_uid");
1259
1260 db_query($link, "COMMIT");
1261 }
1262
1263 if ($debug_enabled) {
1264 _debug("update_rss_feed: article processed");
1265 }
1266 }
1267
1268 if (!$last_updated) {
1269 if ($debug_enabled) {
1270 _debug("update_rss_feed: new feed, catching it up...");
1271 }
1272 catchup_feed($link, $feed, false, $owner_uid);
1273 }
1274
1275 if ($debug_enabled) {
1276 _debug("purging feed...");
1277 }
1278
1279 purge_feed($link, $feed, 0, $debug_enabled);
1280
1281 db_query($link, "UPDATE ttrss_feeds
1282 SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
1283
1284// db_query($link, "COMMIT");
1285
1286 } else {
1287
1288 if ($use_simplepie) {
1289 $error_msg = mb_substr($rss->error(), 0, 250);
1290 } else {
1291 $error_msg = mb_substr(magpie_error(), 0, 250);
1292 }
1293
1294 if ($debug_enabled) {
1295 _debug("update_rss_feed: error fetching feed: $error_msg");
1296 }
1297
1298 $error_msg = db_escape_string($error_msg);
1299
1300 db_query($link,
1301 "UPDATE ttrss_feeds SET last_error = '$error_msg',
1302 last_updated = NOW() WHERE id = '$feed'");
1303 }
1304
1305 if ($use_simplepie) {
1306 unset($rss);
1307 }
1308
1309 if ($debug_enabled) {
1310 _debug("update_rss_feed: done");
1311 }
1312
1313 }
1314
3c696512
AD
1315 function cache_images($html, $site_url, $debug) {
1316 $cache_dir = CACHE_DIR . "/images";
1317
1318 libxml_use_internal_errors(true);
1319
1320 $charset_hack = '<head>
1321 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
1322 </head>';
1323
1324 $doc = new DOMDocument();
1325 $doc->loadHTML($charset_hack . $html);
1326 $xpath = new DOMXPath($doc);
1327
1328 $entries = $xpath->query('(//img[@src])');
1329
1330 foreach ($entries as $entry) {
1331 if ($entry->hasAttribute('src')) {
1332 $src = rewrite_relative_url($site_url, $entry->getAttribute('src'));
1333
1334 $local_filename = CACHE_DIR . "/images/" . sha1($src) . ".png";
1335
1336 if ($debug) _debug("cache_images: downloading: $src to $local_filename");
1337
1338 if (!file_exists($local_filename)) {
1339 $file_content = fetch_file_contents($src);
1340
b8379e69 1341 if ($file_content && strlen($file_content) > 1024) {
3c696512
AD
1342 file_put_contents($local_filename, $file_content);
1343 }
1344 }
1345
1346 if (file_exists($local_filename)) {
1347 $entry->setAttribute('src', SELF_URL_PATH . '/image.php?url=' .
487f0750 1348 base64_encode($src));
3c696512
AD
1349 }
1350 }
1351 }
1352
1353 $node = $doc->getElementsByTagName('body')->item(0);
1354
7b8ff151 1355 return $doc->saveXML($node, LIBXML_NOEMPTYTAG);
3c696512
AD
1356 }
1357
1358 function expire_cached_files($debug) {
1359 foreach (array("magpie", "simplepie", "images") as $dir) {
1360 $cache_dir = CACHE_DIR . "/$dir";
2c08214a 1361
3c696512 1362 if ($debug) _debug("Expiring $cache_dir");
2c08214a 1363
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1364 $num_deleted = 0;
1365
1366 if (is_writable($cache_dir)) {
1367 $files = glob("$cache_dir/*");
1368
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1369 if ($files)
1370 foreach ($files as $file) {
1371 if (time() - filemtime($file) > 86400*7) {
1372 unlink($file);
3c696512 1373
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1374 ++$num_deleted;
1375 }
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1376 }
1377 }
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1378
1379 if ($debug) _debug("Removed $num_deleted files.");
1380 }
1381 }
2c08214a 1382
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1383 /**
1384 * Source: http://www.php.net/manual/en/function.parse-url.php#104527
1385 * Returns the url query as associative array
1386 *
1387 * @param string query
1388 * @return array params
1389 */
1390 function convertUrlQuery($query) {
1391 $queryParts = explode('&', $query);
1392
1393 $params = array();
1394
1395 foreach ($queryParts as $param) {
1396 $item = explode('=', $param);
1397 $params[$item[0]] = $item[1];
1398 }
1399
1400 return $params;
1401 }
2c08214a 1402?>