]> git.wh0rd.org - tt-rss.git/blame - include/rssfuncs.php
fix tmhOAuth missing query parameters (closes #416)
[tt-rss.git] / include / rssfuncs.php
CommitLineData
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
63 // Test if the user has loggued in recently. If not, it does not update its feeds.
09e8bdfd 64 if (!SINGLE_USER_MODE && DAEMON_UPDATE_LOGIN_LIMIT > 0) {
2c08214a
AD
65 if (DB_TYPE == "pgsql") {
66 $login_thresh_qpart = "AND ttrss_users.last_login >= NOW() - INTERVAL '".DAEMON_UPDATE_LOGIN_LIMIT." days'";
67 } else {
68 $login_thresh_qpart = "AND ttrss_users.last_login >= DATE_SUB(NOW(), INTERVAL ".DAEMON_UPDATE_LOGIN_LIMIT." DAY)";
69 }
70 } else {
71 $login_thresh_qpart = "";
72 }
73
74 // Test if the feed need a update (update interval exceded).
75 if (DB_TYPE == "pgsql") {
76 $update_limit_qpart = "AND ((
77 ttrss_feeds.update_interval = 0
78 AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_user_prefs.value || ' minutes') AS INTERVAL)
79 ) OR (
80 ttrss_feeds.update_interval > 0
81 AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_feeds.update_interval || ' minutes') AS INTERVAL)
82 ) OR ttrss_feeds.last_updated IS NULL)";
83 } else {
84 $update_limit_qpart = "AND ((
85 ttrss_feeds.update_interval = 0
86 AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL CONVERT(ttrss_user_prefs.value, SIGNED INTEGER) MINUTE)
87 ) OR (
88 ttrss_feeds.update_interval > 0
89 AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL ttrss_feeds.update_interval MINUTE)
90 ) OR ttrss_feeds.last_updated IS NULL)";
91 }
92
93 // Test if feed is currently being updated by another process.
94 if (DB_TYPE == "pgsql") {
95 $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '5 minutes')";
96 } else {
97 $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 5 MINUTE))";
98 }
99
100 // Test if there is a limit to number of updated feeds
101 $query_limit = "";
102 if($limit) $query_limit = sprintf("LIMIT %d", $limit);
103
104 $random_qpart = sql_random_function();
105
106 // We search for feed needing update.
107 $result = db_query($link, "SELECT ttrss_feeds.feed_url,ttrss_feeds.id, ttrss_feeds.owner_uid,
108 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
109 ttrss_feeds.update_interval
110 FROM
111 ttrss_feeds, ttrss_users, ttrss_user_prefs
112 WHERE
113 ttrss_feeds.owner_uid = ttrss_users.id
114 AND ttrss_users.id = ttrss_user_prefs.owner_uid
115 AND ttrss_user_prefs.pref_name = 'DEFAULT_UPDATE_INTERVAL'
116 $login_thresh_qpart $update_limit_qpart
117 $updstart_thresh_qpart
118 ORDER BY $random_qpart $query_limit");
119
120 $user_prefs_cache = array();
121
122 if($debug) _debug(sprintf("Scheduled %d feeds to update...\n", db_num_rows($result)));
123
124 // Here is a little cache magic in order to minimize risk of double feed updates.
125 $feeds_to_update = array();
126 while ($line = db_fetch_assoc($result)) {
127 $feeds_to_update[$line['id']] = $line;
128 }
129
130 // We update the feed last update started date before anything else.
131 // There is no lag due to feed contents downloads
132 // It prevent an other process to update the same feed.
133 $feed_ids = array_keys($feeds_to_update);
134 if($feed_ids) {
135 db_query($link, sprintf("UPDATE ttrss_feeds SET last_update_started = NOW()
136 WHERE id IN (%s)", implode(',', $feed_ids)));
137 }
138
3c696512
AD
139 expire_cached_files($debug);
140
2c08214a
AD
141 // For each feed, we call the feed update function.
142 while ($line = array_pop($feeds_to_update)) {
143
144 if($debug) _debug("Feed: " . $line["feed_url"] . ", " . $line["last_updated"]);
145
146 update_rss_feed($link, $line["id"], true);
147
148 sleep(1); // prevent flood (FIXME make this an option?)
149 }
150
151 // Send feed digests by email if needed.
036cd3a4 152 send_headlines_digests($link, 100, $debug);
2c08214a
AD
153
154 } // function update_daemon_common
155
156 function fetch_twitter_rss($link, $url, $owner_uid) {
157
158 require_once 'lib/tmhoauth/tmhOAuth.php';
159
160 $result = db_query($link, "SELECT twitter_oauth FROM ttrss_users
161 WHERE id = $owner_uid");
162
163 $access_token = json_decode(db_fetch_result($result, 0, 'twitter_oauth'), true);
164 $url_escaped = db_escape_string($url);
165
166 if ($access_token) {
167
168 $tmhOAuth = new tmhOAuth(array(
169 'consumer_key' => CONSUMER_KEY,
170 'consumer_secret' => CONSUMER_SECRET,
171 'user_token' => $access_token['oauth_token'],
172 'user_secret' => $access_token['oauth_token_secret'],
173 ));
174
a3e0bdcf
AD
175 $code = $tmhOAuth->request('GET', $url,
176 convertUrlQuery(parse_url($url, PHP_URL_QUERY)));
2c08214a
AD
177
178 if ($code == 200) {
179
180 $content = $tmhOAuth->response['response'];
181
182 define('MAGPIE_CACHE_ON', false);
183
184 $rss = new MagpieRSS($content, MAGPIE_OUTPUT_ENCODING,
185 MAGPIE_INPUT_ENCODING, MAGPIE_DETECT_ENCODING );
186
187 return $rss;
188
189 } else {
190
191 db_query($link, "UPDATE ttrss_feeds
192 SET last_error = 'OAuth authorization failed ($code).'
193 WHERE feed_url = '$url_escaped' AND owner_uid = $owner_uid");
194 }
195
196 } else {
197
198 db_query($link, "UPDATE ttrss_feeds
199 SET last_error = 'OAuth information not found.'
200 WHERE feed_url = '$url_escaped' AND owner_uid = $owner_uid");
201
202 return false;
203 }
204 }
205
206 function update_rss_feed($link, $feed, $ignore_daemon = false, $no_cache = false) {
207
208 global $memcache;
209
210 /* Update all feeds with the same URL to utilize memcache */
211
212 if ($memcache) {
213 $result = db_query($link, "SELECT f1.id
214 FROM ttrss_feeds AS f1, ttrss_feeds AS f2
215 WHERE f2.feed_url = f1.feed_url AND f2.id = '$feed'");
216
217 while ($line = db_fetch_assoc($result)) {
218 update_rss_feed_real($link, $line["id"], $ignore_daemon, $no_cache);
219 }
220 } else {
221 update_rss_feed_real($link, $feed, $ignore_daemon, $no_cache);
222 }
223 }
224
225 function update_rss_feed_real($link, $feed, $ignore_daemon = false, $no_cache = false,
226 $override_url = false) {
227
228 require_once "lib/simplepie/simplepie.inc";
229 require_once "lib/magpierss/rss_fetch.inc";
230 require_once 'lib/magpierss/rss_utils.inc';
231
232 global $memcache;
233
234 $debug_enabled = defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug'];
235
236 if (!$_REQUEST["daemon"] && !$ignore_daemon) {
237 return false;
238 }
239
240 if ($debug_enabled) {
241 _debug("update_rss_feed: start");
242 }
243
244 if (!$ignore_daemon) {
245
246 if (DB_TYPE == "pgsql") {
247 $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
248 } else {
249 $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
250 }
251
252 $result = db_query($link, "SELECT id,update_interval,auth_login,
253 auth_pass,cache_images,update_method
254 FROM ttrss_feeds WHERE id = '$feed' AND $updstart_thresh_qpart");
255
256 } else {
257
258 $result = db_query($link, "SELECT id,update_interval,auth_login,
259 feed_url,auth_pass,cache_images,update_method,last_updated,
260 mark_unread_on_update, owner_uid, update_on_checksum_change,
261 pubsub_state
262 FROM ttrss_feeds WHERE id = '$feed'");
263
264 }
265
266 if (db_num_rows($result) == 0) {
267 if ($debug_enabled) {
268 _debug("update_rss_feed: feed $feed NOT FOUND/SKIPPED");
269 }
270 return false;
271 }
272
273 $update_method = db_fetch_result($result, 0, "update_method");
274 $last_updated = db_fetch_result($result, 0, "last_updated");
275 $owner_uid = db_fetch_result($result, 0, "owner_uid");
276 $mark_unread_on_update = sql_bool_to_bool(db_fetch_result($result,
277 0, "mark_unread_on_update"));
278 $update_on_checksum_change = sql_bool_to_bool(db_fetch_result($result,
279 0, "update_on_checksum_change"));
280 $pubsub_state = db_fetch_result($result, 0, "pubsub_state");
281
282 db_query($link, "UPDATE ttrss_feeds SET last_update_started = NOW()
283 WHERE id = '$feed'");
284
285 $auth_login = db_fetch_result($result, 0, "auth_login");
286 $auth_pass = db_fetch_result($result, 0, "auth_pass");
287
288 if ($update_method == 0)
289 $update_method = DEFAULT_UPDATE_METHOD + 1;
290
291 // 1 - Magpie
292 // 2 - SimplePie
293 // 3 - Twitter OAuth
294
295 if ($update_method == 2)
296 $use_simplepie = true;
297 else
298 $use_simplepie = false;
299
300 if ($debug_enabled) {
301 _debug("update method: $update_method (feed setting: $update_method) (use simplepie: $use_simplepie)\n");
302 }
303
304 if ($update_method == 1) {
305 $auth_login = urlencode($auth_login);
306 $auth_pass = urlencode($auth_pass);
307 }
308
309 $update_interval = db_fetch_result($result, 0, "update_interval");
310 $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images"));
311 $fetch_url = db_fetch_result($result, 0, "feed_url");
312
313 if ($update_interval < 0) { return false; }
314
315 $feed = db_escape_string($feed);
316
317 if ($auth_login && $auth_pass ){
318 $url_parts = array();
319 preg_match("/(^[^:]*):\/\/(.*)/", $fetch_url, $url_parts);
320
321 if ($url_parts[1] && $url_parts[2]) {
322 $fetch_url = $url_parts[1] . "://$auth_login:$auth_pass@" . $url_parts[2];
323 }
324
325 }
326
327 if ($override_url)
328 $fetch_url = $override_url;
329
330 if ($debug_enabled) {
331 _debug("update_rss_feed: fetching [$fetch_url]...");
332 }
333
334 $obj_id = md5("FDATA:$use_simplepie:$fetch_url");
335
336 if ($memcache && $obj = $memcache->get($obj_id)) {
337
338 if ($debug_enabled) {
339 _debug("update_rss_feed: data found in memcache.");
340 }
341
342 $rss = $obj;
343
344 } else {
345
346 if ($update_method == 3) {
347 $rss = fetch_twitter_rss($link, $fetch_url, $owner_uid);
348 } else if ($update_method == 1) {
349
350 define('MAGPIE_CACHE_AGE', get_feed_update_interval($link, $feed) * 60);
351 define('MAGPIE_CACHE_ON', !$no_cache);
352 define('MAGPIE_FETCH_TIME_OUT', 60);
353 define('MAGPIE_CACHE_DIR', CACHE_DIR . "/magpie");
354
355 $rss = @fetch_rss($fetch_url);
356 } else {
357 $simplepie_cache_dir = CACHE_DIR . "/simplepie";
358
359 if (!is_dir($simplepie_cache_dir)) {
360 mkdir($simplepie_cache_dir);
361 }
362
363 $rss = new SimplePie();
364 $rss->set_useragent(SELF_USER_AGENT);
365 # $rss->set_timeout(10);
366 $rss->set_feed_url($fetch_url);
367 $rss->set_output_encoding('UTF-8');
f1e511c8 368 //$rss->force_feed(true);
2c08214a 369
2c08214a
AD
370 if ($debug_enabled) {
371 _debug("feed update interval (sec): " .
372 get_feed_update_interval($link, $feed)*60);
373 }
374
375 $rss->enable_cache(!$no_cache);
376
377 if (!$no_cache) {
378 $rss->set_cache_location($simplepie_cache_dir);
379 $rss->set_cache_duration(get_feed_update_interval($link, $feed) * 60);
380 }
381
382 $rss->init();
383 }
384
385 if ($memcache && $rss) $memcache->add($obj_id, $rss, 0, 300);
386 }
387
388// print_r($rss);
389
390 if ($debug_enabled) {
391 _debug("update_rss_feed: fetch done, parsing...");
392 }
393
394 $feed = db_escape_string($feed);
395
396 if ($update_method == 2) {
397 $fetch_ok = !$rss->error();
398 } else {
399 $fetch_ok = !!$rss;
400 }
401
402 if ($fetch_ok) {
403
404 if ($debug_enabled) {
405 _debug("update_rss_feed: processing feed data...");
406 }
407
408// db_query($link, "BEGIN");
409
410 $result = db_query($link, "SELECT title,icon_url,site_url,owner_uid
411 FROM ttrss_feeds WHERE id = '$feed'");
412
413 $registered_title = db_fetch_result($result, 0, "title");
414 $orig_icon_url = db_fetch_result($result, 0, "icon_url");
415 $orig_site_url = db_fetch_result($result, 0, "site_url");
416
417 $owner_uid = db_fetch_result($result, 0, "owner_uid");
418
419 if ($use_simplepie) {
420 $site_url = $rss->get_link();
421 } else {
422 $site_url = $rss->channel["link"];
423 }
424
425 $site_url = rewrite_relative_url($fetch_url, $site_url);
426
427 if ($debug_enabled) {
428 _debug("update_rss_feed: checking favicon...");
429 }
430
431 check_feed_favicon($site_url, $feed, $link);
432
433 if (!$registered_title || $registered_title == "[Unknown]") {
434
435 if ($use_simplepie) {
436 $feed_title = db_escape_string($rss->get_title());
437 } else {
438 $feed_title = db_escape_string($rss->channel["title"]);
439 }
440
441 if ($debug_enabled) {
442 _debug("update_rss_feed: registering title: $feed_title");
443 }
444
445 db_query($link, "UPDATE ttrss_feeds SET
446 title = '$feed_title' WHERE id = '$feed'");
447 }
448
449 // weird, weird Magpie
450 if (!$use_simplepie) {
451 if (!$site_url) $site_url = db_escape_string($rss->channel["link_"]);
452 }
453
454 if ($site_url && $orig_site_url != db_escape_string($site_url)) {
455 db_query($link, "UPDATE ttrss_feeds SET
456 site_url = '$site_url' WHERE id = '$feed'");
457 }
458
459// print "I: " . $rss->channel["image"]["url"];
460
461 if (!$use_simplepie) {
462 $icon_url = db_escape_string($rss->image["url"]);
463 } else {
464 $icon_url = db_escape_string($rss->get_image_url());
465 }
466
467 $icon_url = substr($icon_url, 0, 250);
468
469 if ($icon_url && $orig_icon_url != $icon_url) {
470 db_query($link, "UPDATE ttrss_feeds SET icon_url = '$icon_url' WHERE id = '$feed'");
471 }
472
473 if ($debug_enabled) {
474 _debug("update_rss_feed: loading filters...");
475 }
476
477 $filters = load_filters($link, $feed, $owner_uid);
478
479// if ($debug_enabled) {
480// print_r($filters);
481// }
482
483 if ($use_simplepie) {
484 $iterator = $rss->get_items();
485 } else {
486 $iterator = $rss->items;
487 if (!$iterator || !is_array($iterator)) $iterator = $rss->entries;
488 if (!$iterator || !is_array($iterator)) $iterator = $rss;
489 }
490
491 if (!is_array($iterator)) {
492 /* db_query($link, "UPDATE ttrss_feeds
493 SET last_error = 'Parse error: can\'t find any articles.'
494 WHERE id = '$feed'"); */
495
496 // clear any errors and mark feed as updated if fetched okay
497 // even if it's blank
498
499 if ($debug_enabled) {
500 _debug("update_rss_feed: entry iterator is not an array, no articles?");
501 }
502
503 db_query($link, "UPDATE ttrss_feeds
504 SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
505
506 return; // no articles
507 }
508
509 if ($pubsub_state != 2 && PUBSUBHUBBUB_ENABLED) {
510
511 if ($debug_enabled) _debug("update_rss_feed: checking for PUSH hub...");
512
513 $feed_hub_url = false;
514 if ($use_simplepie) {
515 $links = $rss->get_links('hub');
516
517 if ($links && is_array($links)) {
518 foreach ($links as $l) {
519 $feed_hub_url = $l;
520 break;
521 }
522 }
523
524 } else {
525 $atom = $rss->channel['atom'];
526
527 if ($atom) {
528 if ($atom['link@rel'] == 'hub') {
529 $feed_hub_url = $atom['link@href'];
530 }
531
532 if (!$feed_hub_url && $atom['link#'] > 1) {
533 for ($i = 2; $i <= $atom['link#']; $i++) {
534 if ($atom["link#$i@rel"] == 'hub') {
535 $feed_hub_url = $atom["link#$i@href"];
536 break;
537 }
538 }
539 }
540 } else {
541 $feed_hub_url = $rss->channel['link_hub'];
542 }
543 }
544
545 if ($debug_enabled) _debug("update_rss_feed: feed hub url: $feed_hub_url");
546
547 if ($feed_hub_url && function_exists('curl_init') &&
548 !ini_get("open_basedir")) {
549
550 require_once 'lib/pubsubhubbub/subscriber.php';
551
552 $callback_url = get_self_url_prefix() .
553 "/public.php?op=pubsub&id=$feed";
554
555 $s = new Subscriber($feed_hub_url, $callback_url);
556
557 $rc = $s->subscribe($fetch_url);
558
559 if ($debug_enabled)
560 _debug("update_rss_feed: feed hub url found, subscribe request sent.");
561
562 db_query($link, "UPDATE ttrss_feeds SET pubsub_state = 1
563 WHERE id = '$feed'");
564 }
565 }
566
567 if ($debug_enabled) {
568 _debug("update_rss_feed: processing articles...");
569 }
570
571 foreach ($iterator as $item) {
572
573 if ($_REQUEST['xdebug'] == 2) {
574 print_r($item);
575 }
576
577 if ($use_simplepie) {
578 $entry_guid = $item->get_id();
579 if (!$entry_guid) $entry_guid = $item->get_link();
580 if (!$entry_guid) $entry_guid = make_guid_from_title($item->get_title());
581
582 } else {
583
584 $entry_guid = $item["id"];
585
586 if (!$entry_guid) $entry_guid = $item["guid"];
587 if (!$entry_guid) $entry_guid = $item["about"];
588 if (!$entry_guid) $entry_guid = $item["link"];
589 if (!$entry_guid) $entry_guid = make_guid_from_title($item["title"]);
590 }
591
592 if ($debug_enabled) {
593 _debug("update_rss_feed: guid $entry_guid");
594 }
595
596 if (!$entry_guid) continue;
597
598 $entry_timestamp = "";
599
600 if ($use_simplepie) {
601 $entry_timestamp = strtotime($item->get_date());
602 } else {
603 $rss_2_date = $item['pubdate'];
604 $rss_1_date = $item['dc']['date'];
605 $atom_date = $item['issued'];
606 if (!$atom_date) $atom_date = $item['updated'];
607
608 if ($atom_date != "") $entry_timestamp = parse_w3cdtf($atom_date);
609 if ($rss_1_date != "") $entry_timestamp = parse_w3cdtf($rss_1_date);
610 if ($rss_2_date != "") $entry_timestamp = strtotime($rss_2_date);
611
612 }
613
614 if ($entry_timestamp == "" || $entry_timestamp == -1 || !$entry_timestamp) {
615 $entry_timestamp = time();
616 $no_orig_date = 'true';
617 } else {
618 $no_orig_date = 'false';
619 }
620
621 $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
622
623 if ($debug_enabled) {
624 _debug("update_rss_feed: date $entry_timestamp [$entry_timestamp_fmt]");
625 }
626
627 if ($use_simplepie) {
628 $entry_title = $item->get_title();
629 } else {
630 $entry_title = trim(strip_tags($item["title"]));
631 }
632
633 if ($use_simplepie) {
634 $entry_link = $item->get_link();
635 } else {
636 // strange Magpie workaround
637 $entry_link = $item["link_"];
638 if (!$entry_link) $entry_link = $item["link"];
639 }
640
641 $entry_link = rewrite_relative_url($site_url, $entry_link);
642
643 if ($debug_enabled) {
644 _debug("update_rss_feed: title $entry_title");
645 _debug("update_rss_feed: link $entry_link");
646 }
647
648 if (!$entry_title) $entry_title = date("Y-m-d H:i:s", $entry_timestamp);;
649
650 $entry_link = strip_tags($entry_link);
651
652 if ($use_simplepie) {
653 $entry_content = $item->get_content();
654 if (!$entry_content) $entry_content = $item->get_description();
655 } else {
656 $entry_content = $item["content:escaped"];
657
658 if (!$entry_content) $entry_content = $item["content:encoded"];
659 if (!$entry_content) $entry_content = $item["content"]["encoded"];
660 if (!$entry_content) $entry_content = $item["content"];
661
662 if (is_array($entry_content)) $entry_content = $entry_content[0];
663
664 // Magpie bugs are getting ridiculous
665 if (trim($entry_content) == "Array") $entry_content = false;
666
667 if (!$entry_content) $entry_content = $item["atom_content"];
668 if (!$entry_content) $entry_content = $item["summary"];
669
670 if (!$entry_content ||
671 strlen($entry_content) < strlen($item["description"])) {
672 $entry_content = $item["description"];
673 };
674
675 // WTF
676 if (is_array($entry_content)) {
677 $entry_content = $entry_content["encoded"];
678 if (!$entry_content) $entry_content = $entry_content["escaped"];
679 }
680 }
681
c5867798 682 if ($cache_images && is_writable(CACHE_DIR . '/images'))
3c696512
AD
683 $entry_content = cache_images($entry_content, $site_url, $debug_enabled);
684
2c08214a
AD
685 if ($_REQUEST["xdebug"] == 2) {
686 print "update_rss_feed: content: ";
487f0750 687 print $entry_content;
3c696512 688 print "\n";
2c08214a
AD
689 }
690
691 $entry_content_unescaped = $entry_content;
692
693 if ($use_simplepie) {
694 $entry_comments = strip_tags($item->data["comments"]);
695 if ($item->get_author()) {
696 $entry_author_item = $item->get_author();
697 $entry_author = $entry_author_item->get_name();
698 if (!$entry_author) $entry_author = $entry_author_item->get_email();
699
700 $entry_author = db_escape_string($entry_author);
701 }
702 } else {
703 $entry_comments = strip_tags($item["comments"]);
704
705 $entry_author = db_escape_string(strip_tags($item['dc']['creator']));
706
707 if ($item['author']) {
708
709 if (is_array($item['author'])) {
710
711 if (!$entry_author) {
712 $entry_author = db_escape_string(strip_tags($item['author']['name']));
713 }
714
715 if (!$entry_author) {
716 $entry_author = db_escape_string(strip_tags($item['author']['email']));
717 }
718 }
719
720 if (!$entry_author) {
721 $entry_author = db_escape_string(strip_tags($item['author']));
722 }
723 }
724 }
725
726 if (preg_match('/^[\t\n\r ]*$/', $entry_author)) $entry_author = '';
727
728 $entry_guid = db_escape_string(strip_tags($entry_guid));
729 $entry_guid = mb_substr($entry_guid, 0, 250);
730
731 $result = db_query($link, "SELECT id FROM ttrss_entries
732 WHERE guid = '$entry_guid'");
733
734 $entry_content = db_escape_string($entry_content, false);
735
487f0750 736 $content_hash = "SHA1:" . sha1(strip_tags($entry_content));
2c08214a
AD
737
738 $entry_title = db_escape_string($entry_title);
739 $entry_link = db_escape_string($entry_link);
740 $entry_comments = mb_substr(db_escape_string($entry_comments), 0, 250);
741 $entry_author = mb_substr($entry_author, 0, 250);
742
743 if ($use_simplepie) {
744 $num_comments = 0; #FIXME#
745 } else {
746 $num_comments = db_escape_string($item["slash"]["comments"]);
747 }
748
749 if (!$num_comments) $num_comments = 0;
750
751 if ($debug_enabled) {
752 _debug("update_rss_feed: looking for tags [1]...");
753 }
754
755 // parse <category> entries into tags
756
757 $additional_tags = array();
758
759 if ($use_simplepie) {
760
761 $additional_tags_src = $item->get_categories();
762
763 if (is_array($additional_tags_src)) {
764 foreach ($additional_tags_src as $tobj) {
765 array_push($additional_tags, $tobj->get_term());
766 }
767 }
768
769 if ($debug_enabled) {
770 _debug("update_rss_feed: category tags:");
771 print_r($additional_tags);
772 }
773
774 } else {
775
776 $t_ctr = $item['category#'];
777
778 if ($t_ctr == 0) {
779 $additional_tags = array();
780 } else if ($t_ctr > 0) {
781 $additional_tags = array($item['category']);
782
783 if ($item['category@term']) {
784 array_push($additional_tags, $item['category@term']);
785 }
786
787 for ($i = 0; $i <= $t_ctr; $i++ ) {
788 if ($item["category#$i"]) {
789 array_push($additional_tags, $item["category#$i"]);
790 }
791
792 if ($item["category#$i@term"]) {
793 array_push($additional_tags, $item["category#$i@term"]);
794 }
795 }
796 }
797
798 // parse <dc:subject> elements
799
800 $t_ctr = $item['dc']['subject#'];
801
802 if ($t_ctr > 0) {
803 array_push($additional_tags, $item['dc']['subject']);
804
805 for ($i = 0; $i <= $t_ctr; $i++ ) {
806 if ($item['dc']["subject#$i"]) {
807 array_push($additional_tags, $item['dc']["subject#$i"]);
808 }
809 }
810 }
811 }
812
813 if ($debug_enabled) {
814 _debug("update_rss_feed: looking for tags [2]...");
815 }
816
817 /* taaaags */
818 // <a href="..." rel="tag">Xorg</a>, //
819
820 $entry_tags = null;
821
822 preg_match_all("/<a.*?rel=['\"]tag['\"].*?\>([^<]+)<\/a>/i",
823 $entry_content_unescaped, $entry_tags);
824
825 $entry_tags = $entry_tags[1];
826
827 $entry_tags = array_merge($entry_tags, $additional_tags);
828 $entry_tags = array_unique($entry_tags);
829
830 for ($i = 0; $i < count($entry_tags); $i++)
831 $entry_tags[$i] = mb_strtolower($entry_tags[$i], 'utf-8');
832
833 if ($debug_enabled) {
834 _debug("update_rss_feed: unfiltered tags found:");
835 print_r($entry_tags);
836 }
837
838 # sanitize content
839
840 $entry_content = sanitize_article_content($entry_content);
841 $entry_title = sanitize_article_content($entry_title);
842
843 if ($debug_enabled) {
844 _debug("update_rss_feed: done collecting data [TITLE:$entry_title]");
845 }
846
847 db_query($link, "BEGIN");
848
849 if (db_num_rows($result) == 0) {
850
851 if ($debug_enabled) {
852 _debug("update_rss_feed: base guid not found");
853 }
854
855 // base post entry does not exist, create it
856
857 $result = db_query($link,
858 "INSERT INTO ttrss_entries
859 (title,
860 guid,
861 link,
862 updated,
863 content,
864 content_hash,
865 no_orig_date,
866 date_updated,
867 date_entered,
868 comments,
869 num_comments,
870 author)
871 VALUES
872 ('$entry_title',
873 '$entry_guid',
874 '$entry_link',
875 '$entry_timestamp_fmt',
876 '$entry_content',
877 '$content_hash',
878 $no_orig_date,
879 NOW(),
880 NOW(),
881 '$entry_comments',
882 '$num_comments',
883 '$entry_author')");
884 } else {
885 // we keep encountering the entry in feeds, so we need to
886 // update date_updated column so that we don't get horrible
887 // dupes when the entry gets purged and reinserted again e.g.
888 // in the case of SLOW SLOW OMG SLOW updating feeds
889
890 $base_entry_id = db_fetch_result($result, 0, "id");
891
892 db_query($link, "UPDATE ttrss_entries SET date_updated = NOW()
893 WHERE id = '$base_entry_id'");
894 }
895
896 // now it should exist, if not - bad luck then
897
898 $result = db_query($link, "SELECT
899 id,content_hash,no_orig_date,title,
900 ".SUBSTRING_FOR_DATE."(date_updated,1,19) as date_updated,
901 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated,
902 num_comments
903 FROM
904 ttrss_entries
905 WHERE guid = '$entry_guid'");
906
907 $entry_ref_id = 0;
908 $entry_int_id = 0;
909
910 if (db_num_rows($result) == 1) {
911
912 if ($debug_enabled) {
913 _debug("update_rss_feed: base guid found, checking for user record");
914 }
915
916 // this will be used below in update handler
917 $orig_content_hash = db_fetch_result($result, 0, "content_hash");
918 $orig_title = db_fetch_result($result, 0, "title");
919 $orig_num_comments = db_fetch_result($result, 0, "num_comments");
920 $orig_date_updated = strtotime(db_fetch_result($result,
921 0, "date_updated"));
922
923 $ref_id = db_fetch_result($result, 0, "id");
924 $entry_ref_id = $ref_id;
925
926 // check for user post link to main table
927
928 // do we allow duplicate posts with same GUID in different feeds?
929 if (get_pref($link, "ALLOW_DUPLICATE_POSTS", $owner_uid, false)) {
930 $dupcheck_qpart = "AND (feed_id = '$feed' OR feed_id IS NULL)";
931 } else {
932 $dupcheck_qpart = "";
933 }
934
935 /* Collect article tags here so we could filter by them: */
936
937 $article_filters = get_article_filters($filters, $entry_title,
938 $entry_content, $entry_link, $entry_timestamp, $entry_author,
939 $entry_tags);
940
941 if ($debug_enabled) {
942 _debug("update_rss_feed: article filters: ");
943 if (count($article_filters) != 0) {
944 print_r($article_filters);
945 }
946 }
947
948 if (find_article_filter($article_filters, "filter")) {
949 db_query($link, "COMMIT"); // close transaction in progress
950 continue;
951 }
952
953 $score = calculate_article_score($article_filters);
954
955 if ($debug_enabled) {
956 _debug("update_rss_feed: initial score: $score");
957 }
958
959 $query = "SELECT ref_id, int_id FROM ttrss_user_entries WHERE
960 ref_id = '$ref_id' AND owner_uid = '$owner_uid'
961 $dupcheck_qpart";
962
963// if ($_REQUEST["xdebug"]) print "$query\n";
964
965 $result = db_query($link, $query);
966
967 // okay it doesn't exist - create user entry
968 if (db_num_rows($result) == 0) {
969
970 if ($debug_enabled) {
971 _debug("update_rss_feed: user record not found, creating...");
972 }
973
974 if ($score >= -500 && !find_article_filter($article_filters, 'catchup')) {
975 $unread = 'true';
976 $last_read_qpart = 'NULL';
977 } else {
978 $unread = 'false';
979 $last_read_qpart = 'NOW()';
980 }
981
982 if (find_article_filter($article_filters, 'mark') || $score > 1000) {
983 $marked = 'true';
984 } else {
985 $marked = 'false';
986 }
987
988 if (find_article_filter($article_filters, 'publish')) {
989 $published = 'true';
990 } else {
991 $published = 'false';
992 }
993
994 $result = db_query($link,
995 "INSERT INTO ttrss_user_entries
996 (ref_id, owner_uid, feed_id, unread, last_read, marked,
997 published, score, tag_cache, label_cache, uuid)
998 VALUES ('$ref_id', '$owner_uid', '$feed', $unread,
999 $last_read_qpart, $marked, $published, '$score', '', '', '')");
1000
1001 if (PUBSUBHUBBUB_HUB && $published == 'true') {
1002 $rss_link = get_self_url_prefix() .
1003 "/public.php?op=rss&id=-2&key=" .
1004 get_feed_access_key($link, -2, false, $owner_uid);
1005
1006 $p = new Publisher(PUBSUBHUBBUB_HUB);
1007
1008 $pubsub_result = $p->publish_update($rss_link);
1009 }
1010
1011 $result = db_query($link,
1012 "SELECT int_id FROM ttrss_user_entries WHERE
1013 ref_id = '$ref_id' AND owner_uid = '$owner_uid' AND
1014 feed_id = '$feed' LIMIT 1");
1015
1016 if (db_num_rows($result) == 1) {
1017 $entry_int_id = db_fetch_result($result, 0, "int_id");
1018 }
1019 } else {
1020 if ($debug_enabled) {
1021 _debug("update_rss_feed: user record FOUND");
1022 }
1023
1024 $entry_ref_id = db_fetch_result($result, 0, "ref_id");
1025 $entry_int_id = db_fetch_result($result, 0, "int_id");
1026 }
1027
1028 if ($debug_enabled) {
1029 _debug("update_rss_feed: RID: $entry_ref_id, IID: $entry_int_id");
1030 }
1031
1032 $post_needs_update = false;
1033 $update_insignificant = false;
1034
1035 if ($orig_num_comments != $num_comments) {
1036 $post_needs_update = true;
1037 $update_insignificant = true;
1038 }
1039
1040 if ($content_hash != $orig_content_hash) {
1041 $post_needs_update = true;
1042 $update_insignificant = false;
1043 }
1044
1045 if (db_escape_string($orig_title) != $entry_title) {
1046 $post_needs_update = true;
1047 $update_insignificant = false;
1048 }
1049
1050 // if post needs update, update it and mark all user entries
1051 // linking to this post as updated
1052 if ($post_needs_update) {
1053
1054 if (defined('DAEMON_EXTENDED_DEBUG')) {
1055 _debug("update_rss_feed: post $entry_guid needs update...");
1056 }
1057
1058// print "<!-- post $orig_title needs update : $post_needs_update -->";
1059
1060 db_query($link, "UPDATE ttrss_entries
1061 SET title = '$entry_title', content = '$entry_content',
1062 content_hash = '$content_hash',
1063 updated = '$entry_timestamp_fmt',
1064 num_comments = '$num_comments'
1065 WHERE id = '$ref_id'");
1066
1067 if (!$update_insignificant) {
1068 if ($mark_unread_on_update) {
1069 db_query($link, "UPDATE ttrss_user_entries
1070 SET last_read = null, unread = true WHERE ref_id = '$ref_id'");
1071 } else if ($update_on_checksum_change) {
1072 db_query($link, "UPDATE ttrss_user_entries
1073 SET last_read = null WHERE ref_id = '$ref_id'
1074 AND unread = false");
1075 }
1076 }
1077 }
1078 }
1079
1080 db_query($link, "COMMIT");
1081
1082 if ($debug_enabled) {
1083 _debug("update_rss_feed: assigning labels...");
1084 }
1085
1086 assign_article_to_labels($link, $entry_ref_id, $article_filters,
1087 $owner_uid);
1088
1089 if ($debug_enabled) {
1090 _debug("update_rss_feed: looking for enclosures...");
1091 }
1092
1093 // enclosures
1094
1095 $enclosures = array();
1096
1097 if ($use_simplepie) {
1098 $encs = $item->get_enclosures();
1099
1100 if (is_array($encs)) {
1101 foreach ($encs as $e) {
1102 $e_item = array(
1103 $e->link, $e->type, $e->length);
1104
1105 array_push($enclosures, $e_item);
1106 }
1107 }
1108
1109 } else {
1110 // <enclosure>
1111
1112 $e_ctr = $item['enclosure#'];
1113
1114 if ($e_ctr > 0) {
1115 $e_item = array($item['enclosure@url'],
1116 $item['enclosure@type'],
1117 $item['enclosure@length']);
1118
1119 array_push($enclosures, $e_item);
1120
1121 for ($i = 0; $i <= $e_ctr; $i++ ) {
1122
1123 if ($item["enclosure#$i@url"]) {
1124 $e_item = array($item["enclosure#$i@url"],
1125 $item["enclosure#$i@type"],
1126 $item["enclosure#$i@length"]);
1127 array_push($enclosures, $e_item);
1128 }
1129 }
1130 }
1131
1132 // <media:content>
1133 // can there be many of those? yes -fox
1134
1135 $m_ctr = $item['media']['content#'];
1136
1137 if ($m_ctr > 0) {
1138 $e_item = array($item['media']['content@url'],
1139 $item['media']['content@medium'],
1140 $item['media']['content@length']);
1141
1142 array_push($enclosures, $e_item);
1143
1144 for ($i = 0; $i <= $m_ctr; $i++ ) {
1145
1146 if ($item["media"]["content#$i@url"]) {
1147 $e_item = array($item["media"]["content#$i@url"],
1148 $item["media"]["content#$i@medium"],
1149 $item["media"]["content#$i@length"]);
1150 array_push($enclosures, $e_item);
1151 }
1152 }
1153
1154 }
1155 }
1156
1157
1158 if ($debug_enabled) {
1159 _debug("update_rss_feed: article enclosures:");
1160 print_r($enclosures);
1161 }
1162
1163 db_query($link, "BEGIN");
1164
1165 foreach ($enclosures as $enc) {
1166 $enc_url = db_escape_string($enc[0]);
1167 $enc_type = db_escape_string($enc[1]);
1168 $enc_dur = db_escape_string($enc[2]);
1169
1170 $result = db_query($link, "SELECT id FROM ttrss_enclosures
1171 WHERE content_url = '$enc_url' AND post_id = '$entry_ref_id'");
1172
1173 if (db_num_rows($result) == 0) {
1174 db_query($link, "INSERT INTO ttrss_enclosures
1175 (content_url, content_type, title, duration, post_id) VALUES
1176 ('$enc_url', '$enc_type', '', '$enc_dur', '$entry_ref_id')");
1177 }
1178 }
1179
1180 db_query($link, "COMMIT");
1181
1182 // check for manual tags (we have to do it here since they're loaded from filters)
1183
1184 foreach ($article_filters as $f) {
1185 if ($f[0] == "tag") {
1186
1187 $manual_tags = trim_array(explode(",", $f[1]));
1188
1189 foreach ($manual_tags as $tag) {
1190 if (tag_is_valid($tag)) {
1191 array_push($entry_tags, $tag);
1192 }
1193 }
1194 }
1195 }
1196
1197 // Skip boring tags
1198
1199 $boring_tags = trim_array(explode(",", mb_strtolower(get_pref($link,
1200 'BLACKLISTED_TAGS', $owner_uid, ''), 'utf-8')));
1201
1202 $filtered_tags = array();
1203 $tags_to_cache = array();
1204
1205 if ($entry_tags && is_array($entry_tags)) {
1206 foreach ($entry_tags as $tag) {
1207 if (array_search($tag, $boring_tags) === false) {
1208 array_push($filtered_tags, $tag);
1209 }
1210 }
1211 }
1212
1213 $filtered_tags = array_unique($filtered_tags);
1214
1215 if ($debug_enabled) {
1216 _debug("update_rss_feed: filtered article tags:");
1217 print_r($filtered_tags);
1218 }
1219
1220 // Save article tags in the database
1221
1222 if (count($filtered_tags) > 0) {
1223
1224 db_query($link, "BEGIN");
1225
1226 foreach ($filtered_tags as $tag) {
1227
1228 $tag = sanitize_tag($tag);
1229 $tag = db_escape_string($tag);
1230
1231 if (!tag_is_valid($tag)) continue;
1232
1233 $result = db_query($link, "SELECT id FROM ttrss_tags
1234 WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND
1235 owner_uid = '$owner_uid' LIMIT 1");
1236
1237 if ($result && db_num_rows($result) == 0) {
1238
1239 db_query($link, "INSERT INTO ttrss_tags
1240 (owner_uid,tag_name,post_int_id)
1241 VALUES ('$owner_uid','$tag', '$entry_int_id')");
1242 }
1243
1244 array_push($tags_to_cache, $tag);
1245 }
1246
1247 /* update the cache */
1248
1249 $tags_to_cache = array_unique($tags_to_cache);
1250
1251 $tags_str = db_escape_string(join(",", $tags_to_cache));
1252
1253 db_query($link, "UPDATE ttrss_user_entries
1254 SET tag_cache = '$tags_str' WHERE ref_id = '$entry_ref_id'
1255 AND owner_uid = $owner_uid");
1256
1257 db_query($link, "COMMIT");
1258 }
1259
1260 if ($debug_enabled) {
1261 _debug("update_rss_feed: article processed");
1262 }
1263 }
1264
1265 if (!$last_updated) {
1266 if ($debug_enabled) {
1267 _debug("update_rss_feed: new feed, catching it up...");
1268 }
1269 catchup_feed($link, $feed, false, $owner_uid);
1270 }
1271
1272 if ($debug_enabled) {
1273 _debug("purging feed...");
1274 }
1275
1276 purge_feed($link, $feed, 0, $debug_enabled);
1277
1278 db_query($link, "UPDATE ttrss_feeds
1279 SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
1280
1281// db_query($link, "COMMIT");
1282
1283 } else {
1284
1285 if ($use_simplepie) {
1286 $error_msg = mb_substr($rss->error(), 0, 250);
1287 } else {
1288 $error_msg = mb_substr(magpie_error(), 0, 250);
1289 }
1290
1291 if ($debug_enabled) {
1292 _debug("update_rss_feed: error fetching feed: $error_msg");
1293 }
1294
1295 $error_msg = db_escape_string($error_msg);
1296
1297 db_query($link,
1298 "UPDATE ttrss_feeds SET last_error = '$error_msg',
1299 last_updated = NOW() WHERE id = '$feed'");
1300 }
1301
1302 if ($use_simplepie) {
1303 unset($rss);
1304 }
1305
1306 if ($debug_enabled) {
1307 _debug("update_rss_feed: done");
1308 }
1309
1310 }
1311
3c696512
AD
1312 function cache_images($html, $site_url, $debug) {
1313 $cache_dir = CACHE_DIR . "/images";
1314
1315 libxml_use_internal_errors(true);
1316
1317 $charset_hack = '<head>
1318 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
1319 </head>';
1320
1321 $doc = new DOMDocument();
1322 $doc->loadHTML($charset_hack . $html);
1323 $xpath = new DOMXPath($doc);
1324
1325 $entries = $xpath->query('(//img[@src])');
1326
1327 foreach ($entries as $entry) {
1328 if ($entry->hasAttribute('src')) {
1329 $src = rewrite_relative_url($site_url, $entry->getAttribute('src'));
1330
1331 $local_filename = CACHE_DIR . "/images/" . sha1($src) . ".png";
1332
1333 if ($debug) _debug("cache_images: downloading: $src to $local_filename");
1334
1335 if (!file_exists($local_filename)) {
1336 $file_content = fetch_file_contents($src);
1337
1338 if ($file_content) {
1339 file_put_contents($local_filename, $file_content);
1340 }
1341 }
1342
1343 if (file_exists($local_filename)) {
1344 $entry->setAttribute('src', SELF_URL_PATH . '/image.php?url=' .
487f0750 1345 base64_encode($src));
3c696512
AD
1346 }
1347 }
1348 }
1349
1350 $node = $doc->getElementsByTagName('body')->item(0);
1351
1352 return $doc->saveXML($node);
1353 }
1354
1355 function expire_cached_files($debug) {
1356 foreach (array("magpie", "simplepie", "images") as $dir) {
1357 $cache_dir = CACHE_DIR . "/$dir";
2c08214a 1358
3c696512 1359 if ($debug) _debug("Expiring $cache_dir");
2c08214a 1360
3c696512
AD
1361 $num_deleted = 0;
1362
1363 if (is_writable($cache_dir)) {
1364 $files = glob("$cache_dir/*");
1365
1366 foreach ($files as $file) {
1367 if (time() - filemtime($file) > 86400*7) {
1368 unlink($file);
1369
1370 ++$num_deleted;
1371 }
1372 }
1373 }
1374
1375 if ($debug) _debug("Removed $num_deleted files.");
1376 }
1377 }
2c08214a 1378
a3e0bdcf
AD
1379 /**
1380 * Source: http://www.php.net/manual/en/function.parse-url.php#104527
1381 * Returns the url query as associative array
1382 *
1383 * @param string query
1384 * @return array params
1385 */
1386 function convertUrlQuery($query) {
1387 $queryParts = explode('&', $query);
1388
1389 $params = array();
1390
1391 foreach ($queryParts as $param) {
1392 $item = explode('=', $param);
1393 $params[$item[0]] = $item[1];
1394 }
1395
1396 return $params;
1397 }
2c08214a 1398?>