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modify include path order (closes #514)
[tt-rss.git] / include / rssfuncs.php
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2c08214a 1<?php
09e8bdfd
AD		 2 define('DAEMON_UPDATE_LOGIN_LIMIT', 30);
3 define('DAEMON_FEED_LIMIT', 100);
0f556e3e 4 define('DAEMON_SLEEP_INTERVAL', 60);
09e8bdfd 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, $debug);
2c08214a
AD		 157
158 } // function update_daemon_common
159
87764a50 160 // ignore_daemon is not used
0e4a7d7a 161 function update_rss_feed($link, $feed, $ignore_daemon = false, $no_cache = false,
2c08214a
AD		 162 $override_url = false) {
163
164 require_once "lib/simplepie/simplepie.inc";
165 require_once "lib/magpierss/rss_fetch.inc";
166 require_once 'lib/magpierss/rss_utils.inc';
167
2c08214a
AD		 168 $debug_enabled = defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug'];
169
2c08214a
AD		 170 if ($debug_enabled) {
171 _debug("update_rss_feed: start");
172 }
173
87764a50
AD		 174 $result = db_query($link, "SELECT id,update_interval,auth_login,
175 feed_url,auth_pass,cache_images,update_method,last_updated,cache_content,
176 mark_unread_on_update, owner_uid, update_on_checksum_change,
177 pubsub_state
178 FROM ttrss_feeds WHERE id = '$feed'");
2c08214a
AD		 179
180 if (db_num_rows($result) == 0) {
181 if ($debug_enabled) {
182 _debug("update_rss_feed: feed $feed NOT FOUND/SKIPPED");
183 }
184 return false;
185 }
186
187 $update_method = db_fetch_result($result, 0, "update_method");
188 $last_updated = db_fetch_result($result, 0, "last_updated");
189 $owner_uid = db_fetch_result($result, 0, "owner_uid");
190 $mark_unread_on_update = sql_bool_to_bool(db_fetch_result($result,
191 0, "mark_unread_on_update"));
192 $update_on_checksum_change = sql_bool_to_bool(db_fetch_result($result,
193 0, "update_on_checksum_change"));
194 $pubsub_state = db_fetch_result($result, 0, "pubsub_state");
195
196 db_query($link, "UPDATE ttrss_feeds SET last_update_started = NOW()
197 WHERE id = '$feed'");
198
199 $auth_login = db_fetch_result($result, 0, "auth_login");
200 $auth_pass = db_fetch_result($result, 0, "auth_pass");
201
202 if ($update_method == 0)
203 $update_method = DEFAULT_UPDATE_METHOD + 1;
204
205 // 1 - Magpie
206 // 2 - SimplePie
207 // 3 - Twitter OAuth
208
209 if ($update_method == 2)
210 $use_simplepie = true;
211 else
212 $use_simplepie = false;
213
214 if ($debug_enabled) {
215 _debug("update method: $update_method (feed setting: $update_method) (use simplepie: $use_simplepie)\n");
216 }
217
218 if ($update_method == 1) {
219 $auth_login = urlencode($auth_login);
220 $auth_pass = urlencode($auth_pass);
221 }
222
2c08214a 223 $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images"));
87764a50 224 $cache_content = sql_bool_to_bool(db_fetch_result($result, 0, "cache_content"));
2c08214a
AD		 225 $fetch_url = db_fetch_result($result, 0, "feed_url");
226
2c08214a
AD		 227 $feed = db_escape_string($feed);
228
229 if ($auth_login && $auth_pass ){
230 $url_parts = array();
231 preg_match("/(^[^:]*):\/\/(.*)/", $fetch_url, $url_parts);
232
233 if ($url_parts[1] && $url_parts[2]) {
234 $fetch_url = $url_parts[1] . "://$auth_login:$auth_pass@" . $url_parts[2];
235 }
236
237 }
238
239 if ($override_url)
240 $fetch_url = $override_url;
241
242 if ($debug_enabled) {
243 _debug("update_rss_feed: fetching [$fetch_url]...");
244 }
245
0e4a7d7a
AD		 246 // Ignore cache if new feed or manual update.
247 $cache_age = (is_null($last_updated) || $last_updated == '1970-01-01 00:00:00') ?
248 -1 : get_feed_update_interval($link, $feed) * 60;
2c08214a 249
304aadb9 250 if ($update_method == 1) {
2c08214a 251
0e4a7d7a
AD		 252 define('MAGPIE_CACHE_AGE', $cache_age);
253 define('MAGPIE_CACHE_ON', !$no_cache);
c0c2abba 254 define('MAGPIE_FETCH_TIME_OUT', $no_cache ? 15 : 60);
0e4a7d7a 255 define('MAGPIE_CACHE_DIR', CACHE_DIR . "/magpie");
2c08214a 256
0e4a7d7a 257 $rss = @fetch_rss($fetch_url);
2c08214a 258 } else {
0e4a7d7a 259 $simplepie_cache_dir = CACHE_DIR . "/simplepie";
2c08214a 260
0e4a7d7a
AD		 261 if (!is_dir($simplepie_cache_dir)) {
262 mkdir($simplepie_cache_dir);
263 }
2c08214a 264
0e4a7d7a
AD		 265 $rss = new SimplePie();
266 $rss->set_useragent(SELF_USER_AGENT);
c0c2abba 267 $rss->set_timeout($no_cache ? 15 : 60);
0e4a7d7a
AD		 268 $rss->set_feed_url($fetch_url);
269 $rss->set_output_encoding('UTF-8');
270 //$rss->force_feed(true);
2c08214a 271
0e4a7d7a
AD		 272 if ($debug_enabled) {
273 _debug("feed update interval (sec): " .
274 get_feed_update_interval($link, $feed)*60);
275 }
2c08214a 276
0e4a7d7a 277 $rss->enable_cache(!$no_cache);
2c08214a 278
0e4a7d7a
AD		 279 if (!$no_cache) {
280 $rss->set_cache_location($simplepie_cache_dir);
281 $rss->set_cache_duration($cache_age);
2c08214a
AD		 282 }
283
0e4a7d7a 284 $rss->init();
2c08214a
AD		 285 }
286
287// print_r($rss);
288
289 if ($debug_enabled) {
290 _debug("update_rss_feed: fetch done, parsing...");
291 }
292
293 $feed = db_escape_string($feed);
294
295 if ($update_method == 2) {
296 $fetch_ok = !$rss->error();
297 } else {
298 $fetch_ok = !!$rss;
299 }
300
301 if ($fetch_ok) {
302
303 if ($debug_enabled) {
304 _debug("update_rss_feed: processing feed data...");
305 }
306
307// db_query($link, "BEGIN");
308
382268c6
AD		 309 if (DB_TYPE == "pgsql") {
310 $favicon_interval_qpart = "favicon_last_checked < NOW() - INTERVAL '12 hour'";
311 } else {
312 $favicon_interval_qpart = "favicon_last_checked < DATE_SUB(NOW(), INTERVAL 12 HOUR)";
313 }
314
315 $result = db_query($link, "SELECT title,icon_url,site_url,owner_uid,
316 (favicon_last_checked IS NULL OR $favicon_interval_qpart) AS
317 favicon_needs_check
2c08214a
AD		 318 FROM ttrss_feeds WHERE id = '$feed'");
319
320 $registered_title = db_fetch_result($result, 0, "title");
321 $orig_icon_url = db_fetch_result($result, 0, "icon_url");
322 $orig_site_url = db_fetch_result($result, 0, "site_url");
382268c6
AD		 323 $favicon_needs_check = sql_bool_to_bool(db_fetch_result($result, 0,
324 "favicon_needs_check"));
2c08214a
AD		 325
326 $owner_uid = db_fetch_result($result, 0, "owner_uid");
327
328 if ($use_simplepie) {
0cf81637 329 $site_url = db_escape_string(trim($rss->get_link()));
2c08214a 330 } else {
0cf81637
AD		 331 $site_url = db_escape_string(trim($rss->channel["link"]));
332 }
333
334 // weird, weird Magpie
335 if (!$use_simplepie) {
336 if (!$site_url) $site_url = db_escape_string($rss->channel["link_"]);
2c08214a
AD		 337 }
338
339 $site_url = rewrite_relative_url($fetch_url, $site_url);
0cf81637 340 $site_url = substr($site_url, 0, 250);
2c08214a
AD		 341
342 if ($debug_enabled) {
343 _debug("update_rss_feed: checking favicon...");
344 }
345
f2798eb6
AD		 346 if ($favicon_needs_check) {
347 check_feed_favicon($site_url, $feed, $link);
348
349 db_query($link, "UPDATE ttrss_feeds SET favicon_last_checked = NOW()
350 WHERE id = '$feed'");
351 }
2c08214a
AD		 352
353 if (!$registered_title || $registered_title == "[Unknown]") {
354
355 if ($use_simplepie) {
356 $feed_title = db_escape_string($rss->get_title());
357 } else {
358 $feed_title = db_escape_string($rss->channel["title"]);
359 }
360
361 if ($debug_enabled) {
362 _debug("update_rss_feed: registering title: $feed_title");
363 }
364
365 db_query($link, "UPDATE ttrss_feeds SET
366 title = '$feed_title' WHERE id = '$feed'");
367 }
368
0cf81637 369 if ($site_url && $orig_site_url != $site_url) {
2c08214a
AD		 370 db_query($link, "UPDATE ttrss_feeds SET
371 site_url = '$site_url' WHERE id = '$feed'");
372 }
373
374// print "I: " . $rss->channel["image"]["url"];
375
376 if (!$use_simplepie) {
0cf81637 377 $icon_url = db_escape_string(trim($rss->image["url"]));
2c08214a 378 } else {
0cf81637 379 $icon_url = db_escape_string(trim($rss->get_image_url()));
2c08214a
AD		 380 }
381
0cf81637 382 $icon_url = rewrite_relative_url($fetch_url, $icon_url);
2c08214a
AD		 383 $icon_url = substr($icon_url, 0, 250);
384
385 if ($icon_url && $orig_icon_url != $icon_url) {
386 db_query($link, "UPDATE ttrss_feeds SET icon_url = '$icon_url' WHERE id = '$feed'");
387 }
388
389 if ($debug_enabled) {
b24504b1 390 _debug("update_rss_feed: loading filters & labels...");
2c08214a
AD		 391 }
392
393 $filters = load_filters($link, $feed, $owner_uid);
b24504b1 394 $labels = get_all_labels($link, $owner_uid);
2c08214a 395
67bd0b1f
AD		 396 if ($debug_enabled) {
397 //print_r($filters);
398 _debug("update_rss_feed: " . count($filters) . " filters loaded.");
399 }
2c08214a 400
cc85704f
AD		 401 $filter_plugins = array();
402
403 if (defined('_ARTICLE_FILTER_PLUGINS')) {
404 foreach (explode(",", _ARTICLE_FILTER_PLUGINS) as $p) {
405 $pclass = "filter_" . trim($p);
406
407 if (class_exists($pclass)) {
408 $plugin = new $pclass($link);
409 array_push($filter_plugins, $plugin);
410 }
411 }
412 }
413
414 if ($debug_enabled) {
415 _debug("update_rss_feed: " . count($filter_plugins) . " filter plugins loaded.");
416 }
417
2c08214a
AD		 418 if ($use_simplepie) {
419 $iterator = $rss->get_items();
420 } else {
421 $iterator = $rss->items;
422 if (!$iterator || !is_array($iterator)) $iterator = $rss->entries;
423 if (!$iterator || !is_array($iterator)) $iterator = $rss;
424 }
425
426 if (!is_array($iterator)) {
427 /* db_query($link, "UPDATE ttrss_feeds
428 SET last_error = 'Parse error: can\'t find any articles.'
429 WHERE id = '$feed'"); */
430
431 // clear any errors and mark feed as updated if fetched okay
432 // even if it's blank
433
434 if ($debug_enabled) {
435 _debug("update_rss_feed: entry iterator is not an array, no articles?");
436 }
437
438 db_query($link, "UPDATE ttrss_feeds
439 SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
440
441 return; // no articles
442 }
443
444 if ($pubsub_state != 2 && PUBSUBHUBBUB_ENABLED) {
445
446 if ($debug_enabled) _debug("update_rss_feed: checking for PUSH hub...");
447
448 $feed_hub_url = false;
449 if ($use_simplepie) {
450 $links = $rss->get_links('hub');
451
452 if ($links && is_array($links)) {
453 foreach ($links as $l) {
454 $feed_hub_url = $l;
455 break;
456 }
457 }
458
459 } else {
460 $atom = $rss->channel['atom'];
461
462 if ($atom) {
463 if ($atom['link@rel'] == 'hub') {
464 $feed_hub_url = $atom['link@href'];
465 }
466
467 if (!$feed_hub_url && $atom['link#'] > 1) {
468 for ($i = 2; $i <= $atom['link#']; $i++) {
469 if ($atom["link#$i@rel"] == 'hub') {
470 $feed_hub_url = $atom["link#$i@href"];
471 break;
472 }
473 }
474 }
475 } else {
476 $feed_hub_url = $rss->channel['link_hub'];
477 }
478 }
479
480 if ($debug_enabled) _debug("update_rss_feed: feed hub url: $feed_hub_url");
481
482 if ($feed_hub_url && function_exists('curl_init') &&
483 !ini_get("open_basedir")) {
484
485 require_once 'lib/pubsubhubbub/subscriber.php';
486
487 $callback_url = get_self_url_prefix() .
488 "/public.php?op=pubsub&id=$feed";
489
490 $s = new Subscriber($feed_hub_url, $callback_url);
491
492 $rc = $s->subscribe($fetch_url);
493
494 if ($debug_enabled)
495 _debug("update_rss_feed: feed hub url found, subscribe request sent.");
496
497 db_query($link, "UPDATE ttrss_feeds SET pubsub_state = 1
498 WHERE id = '$feed'");
499 }
500 }
501
502 if ($debug_enabled) {
503 _debug("update_rss_feed: processing articles...");
504 }
505
506 foreach ($iterator as $item) {
2c08214a
AD		 507 if ($_REQUEST['xdebug'] == 2) {
508 print_r($item);
509 }
510
511 if ($use_simplepie) {
512 $entry_guid = $item->get_id();
513 if (!$entry_guid) $entry_guid = $item->get_link();
514 if (!$entry_guid) $entry_guid = make_guid_from_title($item->get_title());
515
516 } else {
517
518 $entry_guid = $item["id"];
519
520 if (!$entry_guid) $entry_guid = $item["guid"];
521 if (!$entry_guid) $entry_guid = $item["about"];
522 if (!$entry_guid) $entry_guid = $item["link"];
523 if (!$entry_guid) $entry_guid = make_guid_from_title($item["title"]);
524 }
525
765509c5 526 if ($cache_content) {
d5e9cf28 527 $entry_guid = "ccache:$entry_guid";
765509c5
AD		 528 }
529
530 if ($auth_login || $auth_pass) {
531 $entry_guid = "auth,$owner_uid:$entry_guid";
532 }
533
2c08214a
AD		 534 if ($debug_enabled) {
535 _debug("update_rss_feed: guid $entry_guid");
536 }
537
538 if (!$entry_guid) continue;
539
540 $entry_timestamp = "";
541
542 if ($use_simplepie) {
543 $entry_timestamp = strtotime($item->get_date());
544 } else {
545 $rss_2_date = $item['pubdate'];
546 $rss_1_date = $item['dc']['date'];
547 $atom_date = $item['issued'];
548 if (!$atom_date) $atom_date = $item['updated'];
549
550 if ($atom_date != "") $entry_timestamp = parse_w3cdtf($atom_date);
551 if ($rss_1_date != "") $entry_timestamp = parse_w3cdtf($rss_1_date);
552 if ($rss_2_date != "") $entry_timestamp = strtotime($rss_2_date);
553
554 }
555
556 if ($entry_timestamp == "" || $entry_timestamp == -1 || !$entry_timestamp) {
557 $entry_timestamp = time();
558 $no_orig_date = 'true';
559 } else {
560 $no_orig_date = 'false';
561 }
562
563 $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
564
565 if ($debug_enabled) {
566 _debug("update_rss_feed: date $entry_timestamp [$entry_timestamp_fmt]");
567 }
568
569 if ($use_simplepie) {
570 $entry_title = $item->get_title();
571 } else {
572 $entry_title = trim(strip_tags($item["title"]));
573 }
574
575 if ($use_simplepie) {
576 $entry_link = $item->get_link();
577 } else {
578 // strange Magpie workaround
579 $entry_link = $item["link_"];
580 if (!$entry_link) $entry_link = $item["link"];
581 }
582
583 $entry_link = rewrite_relative_url($site_url, $entry_link);
584
585 if ($debug_enabled) {
586 _debug("update_rss_feed: title $entry_title");
587 _debug("update_rss_feed: link $entry_link");
588 }
589
590 if (!$entry_title) $entry_title = date("Y-m-d H:i:s", $entry_timestamp);;
591
592 $entry_link = strip_tags($entry_link);
593
594 if ($use_simplepie) {
595 $entry_content = $item->get_content();
596 if (!$entry_content) $entry_content = $item->get_description();
597 } else {
598 $entry_content = $item["content:escaped"];
599
600 if (!$entry_content) $entry_content = $item["content:encoded"];
eb38af4e 601 if (!$entry_content && is_array($entry_content)) $entry_content = $item["content"]["encoded"];
2c08214a
AD		 602 if (!$entry_content) $entry_content = $item["content"];
603
604 if (is_array($entry_content)) $entry_content = $entry_content[0];
605
606 // Magpie bugs are getting ridiculous
607 if (trim($entry_content) == "Array") $entry_content = false;
608
609 if (!$entry_content) $entry_content = $item["atom_content"];
610 if (!$entry_content) $entry_content = $item["summary"];
611
612 if (!$entry_content ||
613 strlen($entry_content) < strlen($item["description"])) {
614 $entry_content = $item["description"];
615 };
616
617 // WTF
618 if (is_array($entry_content)) {
619 $entry_content = $entry_content["encoded"];
620 if (!$entry_content) $entry_content = $entry_content["escaped"];
621 }
622 }
623
c5867798 624 if ($cache_images && is_writable(CACHE_DIR . '/images'))
3c696512
AD		 625 $entry_content = cache_images($entry_content, $site_url, $debug_enabled);
626
2c08214a
AD		 627 if ($_REQUEST["xdebug"] == 2) {
628 print "update_rss_feed: content: ";
487f0750 629 print $entry_content;
3c696512 630 print "\n";
2c08214a
AD		 631 }
632
633 $entry_content_unescaped = $entry_content;
87764a50 634 $entry_cached_content = "";
2c08214a
AD		 635
636 if ($use_simplepie) {
637 $entry_comments = strip_tags($item->data["comments"]);
638 if ($item->get_author()) {
639 $entry_author_item = $item->get_author();
640 $entry_author = $entry_author_item->get_name();
641 if (!$entry_author) $entry_author = $entry_author_item->get_email();
642
643 $entry_author = db_escape_string($entry_author);
644 }
645 } else {
646 $entry_comments = strip_tags($item["comments"]);
647
648 $entry_author = db_escape_string(strip_tags($item['dc']['creator']));
649
650 if ($item['author']) {
651
652 if (is_array($item['author'])) {
653
654 if (!$entry_author) {
655 $entry_author = db_escape_string(strip_tags($item['author']['name']));
656 }
657
658 if (!$entry_author) {
659 $entry_author = db_escape_string(strip_tags($item['author']['email']));
660 }
661 }
662
663 if (!$entry_author) {
664 $entry_author = db_escape_string(strip_tags($item['author']));
665 }
666 }
667 }
668
669 if (preg_match('/^[\t\n\r ]*$/', $entry_author)) $entry_author = '';
670
671 $entry_guid = db_escape_string(strip_tags($entry_guid));
672 $entry_guid = mb_substr($entry_guid, 0, 250);
673
674 $result = db_query($link, "SELECT id FROM ttrss_entries
675 WHERE guid = '$entry_guid'");
676
677 $entry_content = db_escape_string($entry_content, false);
678
2c08214a
AD		 679 $entry_title = db_escape_string($entry_title);
680 $entry_link = db_escape_string($entry_link);
681 $entry_comments = mb_substr(db_escape_string($entry_comments), 0, 250);
682 $entry_author = mb_substr($entry_author, 0, 250);
683
684 if ($use_simplepie) {
685 $num_comments = 0; #FIXME#
686 } else {
687 $num_comments = db_escape_string($item["slash"]["comments"]);
688 }
689
690 if (!$num_comments) $num_comments = 0;
691
692 if ($debug_enabled) {
693 _debug("update_rss_feed: looking for tags [1]...");
694 }
695
696 // parse <category> entries into tags
697
698 $additional_tags = array();
699
700 if ($use_simplepie) {
701
702 $additional_tags_src = $item->get_categories();
703
704 if (is_array($additional_tags_src)) {
705 foreach ($additional_tags_src as $tobj) {
706 array_push($additional_tags, $tobj->get_term());
707 }
708 }
709
710 if ($debug_enabled) {
711 _debug("update_rss_feed: category tags:");
712 print_r($additional_tags);
713 }
714
715 } else {
716
717 $t_ctr = $item['category#'];
718
719 if ($t_ctr == 0) {
720 $additional_tags = array();
721 } else if ($t_ctr > 0) {
722 $additional_tags = array($item['category']);
723
724 if ($item['category@term']) {
725 array_push($additional_tags, $item['category@term']);
726 }
727
728 for ($i = 0; $i <= $t_ctr; $i++ ) {
729 if ($item["category#$i"]) {
730 array_push($additional_tags, $item["category#$i"]);
731 }
732
733 if ($item["category#$i@term"]) {
734 array_push($additional_tags, $item["category#$i@term"]);
735 }
736 }
737 }
738
739 // parse <dc:subject> elements
740
741 $t_ctr = $item['dc']['subject#'];
742
743 if ($t_ctr > 0) {
744 array_push($additional_tags, $item['dc']['subject']);
745
746 for ($i = 0; $i <= $t_ctr; $i++ ) {
747 if ($item['dc']["subject#$i"]) {
748 array_push($additional_tags, $item['dc']["subject#$i"]);
749 }
750 }
751 }
752 }
753
754 if ($debug_enabled) {
755 _debug("update_rss_feed: looking for tags [2]...");
756 }
757
758 /* taaaags */
759 // <a href="..." rel="tag">Xorg</a>, //
760
761 $entry_tags = null;
762
763 preg_match_all("/<a.*?rel=['\"]tag['\"].*?\>([^<]+)<\/a>/i",
764 $entry_content_unescaped, $entry_tags);
765
766 $entry_tags = $entry_tags[1];
767
768 $entry_tags = array_merge($entry_tags, $additional_tags);
769 $entry_tags = array_unique($entry_tags);
770
771 for ($i = 0; $i < count($entry_tags); $i++)
772 $entry_tags[$i] = mb_strtolower($entry_tags[$i], 'utf-8');
773
774 if ($debug_enabled) {
6aff7845
AD		 775 //_debug("update_rss_feed: unfiltered tags found:");
776 //print_r($entry_tags);
2c08214a
AD		 777 }
778
2c08214a
AD		 779 if ($debug_enabled) {
780 _debug("update_rss_feed: done collecting data [TITLE:$entry_title]");
781 }
782
cc85704f
AD		 783 // TODO: less memory-hungry implementation
784 if (count($filter_plugins) > 0) {
785 if ($debug_enabled) {
786 _debug("update_rss_feed: applying plugin filters...");
787 }
788
789 $article = array("owner_uid" => $owner_uid,
790 "title" => $entry_title,
791 "content" => $entry_content,
792 "link" => $entry_link,
793 "tags" => $entry_tags,
794 "author" => $entry_author);
795
796 foreach ($filter_plugins as $plugin) {
797 $article = $plugin->filter_article($article);
798 }
799
800 $entry_title = $article["title"];
801 $entry_content = $article["content"];
802 $entry_tags = $article["tags"];
803 $entry_author = $article["author"];
804 }
805
806 $content_hash = "SHA1:" . sha1(strip_tags($entry_content));
807
2c08214a
AD		 808 db_query($link, "BEGIN");
809
810 if (db_num_rows($result) == 0) {
811
812 if ($debug_enabled) {
813 _debug("update_rss_feed: base guid not found");
814 }
815
87764a50
AD		 816 if ($cache_content) {
817 if ($debug_enabled) {
8054439f 818 _debug("update_rss_feed: caching content (initial)...");
87764a50
AD		 819 }
820
821 $entry_cached_content = cache_content($link, $entry_link, $auth_login, $auth_pass);
822
823 if ($cache_images && is_writable(CACHE_DIR . '/images'))
824 $entry_cached_content = cache_images($entry_cached_content, $site_url, $debug_enabled);
825
826 $entry_cached_content = db_escape_string($entry_cached_content, false);
87764a50
AD		 827 }
828
2c08214a
AD		 829 // base post entry does not exist, create it
830
831 $result = db_query($link,
832 "INSERT INTO ttrss_entries
833 (title,
834 guid,
835 link,
836 updated,
837 content,
838 content_hash,
87764a50 839 cached_content,
2c08214a
AD		 840 no_orig_date,
841 date_updated,
842 date_entered,
843 comments,
844 num_comments,
845 author)
846 VALUES
847 ('$entry_title',
848 '$entry_guid',
849 '$entry_link',
850 '$entry_timestamp_fmt',
851 '$entry_content',
852 '$content_hash',
cb93a5de 853 '$entry_cached_content',
2c08214a
AD		 854 $no_orig_date,
855 NOW(),
856 NOW(),
857 '$entry_comments',
858 '$num_comments',
859 '$entry_author')");
e8291805
AD		 860
861 $article_labels = array();
862
2c08214a
AD		 863 } else {
864 // we keep encountering the entry in feeds, so we need to
865 // update date_updated column so that we don't get horrible
866 // dupes when the entry gets purged and reinserted again e.g.
867 // in the case of SLOW SLOW OMG SLOW updating feeds
868
869 $base_entry_id = db_fetch_result($result, 0, "id");
870
871 db_query($link, "UPDATE ttrss_entries SET date_updated = NOW()
872 WHERE id = '$base_entry_id'");
e8291805
AD		 873
874 $article_labels = get_article_labels($link, $base_entry_id, $owner_uid);
2c08214a
AD		 875 }
876
877 // now it should exist, if not - bad luck then
878
879 $result = db_query($link, "SELECT
880 id,content_hash,no_orig_date,title,
881 ".SUBSTRING_FOR_DATE."(date_updated,1,19) as date_updated,
882 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated,
130b0781 883 num_comments, cached_content
2c08214a
AD		 884 FROM
885 ttrss_entries
886 WHERE guid = '$entry_guid'");
887
888 $entry_ref_id = 0;
889 $entry_int_id = 0;
890
891 if (db_num_rows($result) == 1) {
892
893 if ($debug_enabled) {
894 _debug("update_rss_feed: base guid found, checking for user record");
895 }
896
897 // this will be used below in update handler
898 $orig_content_hash = db_fetch_result($result, 0, "content_hash");
899 $orig_title = db_fetch_result($result, 0, "title");
900 $orig_num_comments = db_fetch_result($result, 0, "num_comments");
130b0781 901 $orig_cached_content = trim(db_fetch_result($result, 0, "cached_content"));
2c08214a
AD		 902 $orig_date_updated = strtotime(db_fetch_result($result,
903 0, "date_updated"));
904
905 $ref_id = db_fetch_result($result, 0, "id");
906 $entry_ref_id = $ref_id;
907
908 // check for user post link to main table
909
910 // do we allow duplicate posts with same GUID in different feeds?
911 if (get_pref($link, "ALLOW_DUPLICATE_POSTS", $owner_uid, false)) {
912 $dupcheck_qpart = "AND (feed_id = '$feed' OR feed_id IS NULL)";
913 } else {
914 $dupcheck_qpart = "";
915 }
916
917 /* Collect article tags here so we could filter by them: */
918
919 $article_filters = get_article_filters($filters, $entry_title,
4021d61a 920 $entry_content, $entry_link, $entry_timestamp, $entry_author,
2c08214a
AD		 921 $entry_tags);
922
923 if ($debug_enabled) {
924 _debug("update_rss_feed: article filters: ");
925 if (count($article_filters) != 0) {
926 print_r($article_filters);
927 }
928 }
929
930 if (find_article_filter($article_filters, "filter")) {
931 db_query($link, "COMMIT"); // close transaction in progress
932 continue;
933 }
934
935 $score = calculate_article_score($article_filters);
936
937 if ($debug_enabled) {
938 _debug("update_rss_feed: initial score: $score");
939 }
940
941 $query = "SELECT ref_id, int_id FROM ttrss_user_entries WHERE
942 ref_id = '$ref_id' AND owner_uid = '$owner_uid'
943 $dupcheck_qpart";
944
945// if ($_REQUEST["xdebug"]) print "$query\n";
946
947 $result = db_query($link, $query);
948
949 // okay it doesn't exist - create user entry
950 if (db_num_rows($result) == 0) {
951
952 if ($debug_enabled) {
953 _debug("update_rss_feed: user record not found, creating...");
954 }
955
956 if ($score >= -500 && !find_article_filter($article_filters, 'catchup')) {
957 $unread = 'true';
958 $last_read_qpart = 'NULL';
959 } else {
960 $unread = 'false';
961 $last_read_qpart = 'NOW()';
962 }
963
964 if (find_article_filter($article_filters, 'mark') || $score > 1000) {
965 $marked = 'true';
966 } else {
967 $marked = 'false';
968 }
969
970 if (find_article_filter($article_filters, 'publish')) {
971 $published = 'true';
972 } else {
973 $published = 'false';
974 }
975
2ea9bbfd
AD		 976 // N-grams
977
978 if (DB_TYPE == "pgsql" and defined('_NGRAM_TITLE_DUPLICATE_THRESHOLD')) {
979
980 $result = db_query($link, "SELECT COUNT(*) AS similar FROM
981 ttrss_entries,ttrss_user_entries
982 WHERE ref_id = id AND updated >= NOW() - INTERVAL '7 day'
983 AND similarity(title, '$entry_title') >= "._NGRAM_TITLE_DUPLICATE_THRESHOLD."
984 AND owner_uid = $owner_uid");
985
986 $ngram_similar = db_fetch_result($result, 0, "similar");
987
988 if ($debug_enabled) {
989 _debug("update_rss_feed: N-gram similar results: $ngram_similar");
990 }
991
992 if ($ngram_similar > 0) {
993 $unread = 'false';
994 }
995 }
996
2c08214a
AD		 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;
130b0781 1037 $cached_content_needs_update = false;
2c08214a
AD		 1038
1039 if ($orig_num_comments != $num_comments) {
1040 $post_needs_update = true;
1041 $update_insignificant = true;
1042 }
1043
1044 if ($content_hash != $orig_content_hash) {
1045 $post_needs_update = true;
1046 $update_insignificant = false;
130b0781
AD		 1047 $cached_content_needs_update = true;
1048 }
87764a50 1049
130b0781
AD		 1050 if ($cache_content) {
1051 if ($debug_enabled) {
1052 _debug("update_rss_feed: caching content because original checksum changed...");
1053 }
87764a50 1054
130b0781 1055 $entry_cached_content = cache_content($link, $entry_link, $auth_login, $auth_pass);
87764a50 1056
130b0781 1057 if ($entry_cached_content) {
87764a50
AD		 1058 if ($cache_images && is_writable(CACHE_DIR . '/images'))
1059 $entry_cached_content = cache_images($entry_cached_content, $site_url, $debug_enabled);
1060
1061 $entry_cached_content = db_escape_string($entry_cached_content, false);
130b0781
AD		 1062 $post_needs_update = true;
1063 } else {
1064 $entry_cached_content = db_escape_string($orig_cached_content);
87764a50 1065 }
130b0781
AD		 1066 } else {
1067 $entry_cached_content = db_escape_string($orig_cached_content);
2c08214a
AD		 1068 }
1069
1070 if (db_escape_string($orig_title) != $entry_title) {
1071 $post_needs_update = true;
1072 $update_insignificant = false;
1073 }
1074
1075 // if post needs update, update it and mark all user entries
1076 // linking to this post as updated
1077 if ($post_needs_update) {
1078
1079 if (defined('DAEMON_EXTENDED_DEBUG')) {
1080 _debug("update_rss_feed: post $entry_guid needs update...");
1081 }
1082
1083// print "<!-- post $orig_title needs update : $post_needs_update -->";
1084
1085 db_query($link, "UPDATE ttrss_entries
1086 SET title = '$entry_title', content = '$entry_content',
1087 content_hash = '$content_hash',
87764a50 1088 cached_content = '$entry_cached_content',
2c08214a
AD		 1089 updated = '$entry_timestamp_fmt',
1090 num_comments = '$num_comments'
1091 WHERE id = '$ref_id'");
1092
1093 if (!$update_insignificant) {
1094 if ($mark_unread_on_update) {
1095 db_query($link, "UPDATE ttrss_user_entries
1096 SET last_read = null, unread = true WHERE ref_id = '$ref_id'");
1097 } else if ($update_on_checksum_change) {
1098 db_query($link, "UPDATE ttrss_user_entries
1099 SET last_read = null WHERE ref_id = '$ref_id'
1100 AND unread = false");
1101 }
1102 }
1103 }
1104 }
1105
1106 db_query($link, "COMMIT");
1107
1108 if ($debug_enabled) {
1109 _debug("update_rss_feed: assigning labels...");
1110 }
1111
92c14e9d 1112 assign_article_to_label_filters($link, $entry_ref_id, $article_filters,
b24504b1 1113 $owner_uid, $article_labels);
2c08214a
AD		 1114
1115 if ($debug_enabled) {
1116 _debug("update_rss_feed: looking for enclosures...");
1117 }
1118
1119 // enclosures
1120
1121 $enclosures = array();
1122
1123 if ($use_simplepie) {
1124 $encs = $item->get_enclosures();
1125
1126 if (is_array($encs)) {
1127 foreach ($encs as $e) {
1128 $e_item = array(
1129 $e->link, $e->type, $e->length);
1130
1131 array_push($enclosures, $e_item);
1132 }
1133 }
1134
1135 } else {
1136 // <enclosure>
1137
1138 $e_ctr = $item['enclosure#'];
1139
1140 if ($e_ctr > 0) {
1141 $e_item = array($item['enclosure@url'],
1142 $item['enclosure@type'],
1143 $item['enclosure@length']);
1144
1145 array_push($enclosures, $e_item);
1146
1147 for ($i = 0; $i <= $e_ctr; $i++ ) {
1148
1149 if ($item["enclosure#$i@url"]) {
1150 $e_item = array($item["enclosure#$i@url"],
1151 $item["enclosure#$i@type"],
1152 $item["enclosure#$i@length"]);
1153 array_push($enclosures, $e_item);
1154 }
1155 }
1156 }
1157
1158 // <media:content>
1159 // can there be many of those? yes -fox
1160
1161 $m_ctr = $item['media']['content#'];
1162
1163 if ($m_ctr > 0) {
1164 $e_item = array($item['media']['content@url'],
1165 $item['media']['content@medium'],
1166 $item['media']['content@length']);
1167
1168 array_push($enclosures, $e_item);
1169
1170 for ($i = 0; $i <= $m_ctr; $i++ ) {
1171
1172 if ($item["media"]["content#$i@url"]) {
1173 $e_item = array($item["media"]["content#$i@url"],
1174 $item["media"]["content#$i@medium"],
1175 $item["media"]["content#$i@length"]);
1176 array_push($enclosures, $e_item);
1177 }
1178 }
1179
1180 }
1181 }
1182
1183
1184 if ($debug_enabled) {
1185 _debug("update_rss_feed: article enclosures:");
1186 print_r($enclosures);
1187 }
1188
1189 db_query($link, "BEGIN");
1190
1191 foreach ($enclosures as $enc) {
1192 $enc_url = db_escape_string($enc[0]);
1193 $enc_type = db_escape_string($enc[1]);
1194 $enc_dur = db_escape_string($enc[2]);
1195
1196 $result = db_query($link, "SELECT id FROM ttrss_enclosures
1197 WHERE content_url = '$enc_url' AND post_id = '$entry_ref_id'");
1198
1199 if (db_num_rows($result) == 0) {
1200 db_query($link, "INSERT INTO ttrss_enclosures
1201 (content_url, content_type, title, duration, post_id) VALUES
1202 ('$enc_url', '$enc_type', '', '$enc_dur', '$entry_ref_id')");
1203 }
1204 }
1205
1206 db_query($link, "COMMIT");
1207
1208 // check for manual tags (we have to do it here since they're loaded from filters)
1209
1210 foreach ($article_filters as $f) {
6aff7845 1211 if ($f["type"] == "tag") {
2c08214a 1212
6aff7845 1213 $manual_tags = trim_array(explode(",", $f["param"]));
2c08214a
AD		 1214
1215 foreach ($manual_tags as $tag) {
1216 if (tag_is_valid($tag)) {
1217 array_push($entry_tags, $tag);
1218 }
1219 }
1220 }
1221 }
1222
1223 // Skip boring tags
1224
1225 $boring_tags = trim_array(explode(",", mb_strtolower(get_pref($link,
1226 'BLACKLISTED_TAGS', $owner_uid, ''), 'utf-8')));
1227
1228 $filtered_tags = array();
1229 $tags_to_cache = array();
1230
1231 if ($entry_tags && is_array($entry_tags)) {
1232 foreach ($entry_tags as $tag) {
1233 if (array_search($tag, $boring_tags) === false) {
1234 array_push($filtered_tags, $tag);
1235 }
1236 }
1237 }
1238
1239 $filtered_tags = array_unique($filtered_tags);
1240
1241 if ($debug_enabled) {
1242 _debug("update_rss_feed: filtered article tags:");
1243 print_r($filtered_tags);
1244 }
1245
1246 // Save article tags in the database
1247
1248 if (count($filtered_tags) > 0) {
1249
1250 db_query($link, "BEGIN");
1251
1252 foreach ($filtered_tags as $tag) {
1253
1254 $tag = sanitize_tag($tag);
1255 $tag = db_escape_string($tag);
1256
1257 if (!tag_is_valid($tag)) continue;
1258
1259 $result = db_query($link, "SELECT id FROM ttrss_tags
1260 WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND
1261 owner_uid = '$owner_uid' LIMIT 1");
1262
1263 if ($result && db_num_rows($result) == 0) {
1264
1265 db_query($link, "INSERT INTO ttrss_tags
1266 (owner_uid,tag_name,post_int_id)
1267 VALUES ('$owner_uid','$tag', '$entry_int_id')");
1268 }
1269
1270 array_push($tags_to_cache, $tag);
1271 }
1272
1273 /* update the cache */
1274
1275 $tags_to_cache = array_unique($tags_to_cache);
1276
1277 $tags_str = db_escape_string(join(",", $tags_to_cache));
1278
1279 db_query($link, "UPDATE ttrss_user_entries
1280 SET tag_cache = '$tags_str' WHERE ref_id = '$entry_ref_id'
1281 AND owner_uid = $owner_uid");
1282
1283 db_query($link, "COMMIT");
1284 }
1285
b24504b1
AD		 1286 if (get_pref($link, "AUTO_ASSIGN_LABELS", $owner_uid, false)) {
1287 if ($debug_enabled) {
1288 _debug("update_rss_feed: auto-assigning labels...");
1289 }
1290
1291 foreach ($labels as $label) {
1292 $caption = $label["caption"];
1293
3fc6e71a 1294 if (preg_match("/\b$caption\b/i", "$tags_str " . strip_tags($entry_content) . " $entry_title")) {
b24504b1
AD		 1295 if (!labels_contains_caption($article_labels, $caption)) {
1296 label_add_article($link, $entry_ref_id, $caption, $owner_uid);
1297 }
1298 }
1299 }
1300 }
1301
2c08214a
AD		 1302 if ($debug_enabled) {
1303 _debug("update_rss_feed: article processed");
1304 }
1305 }
1306
1307 if (!$last_updated) {
1308 if ($debug_enabled) {
1309 _debug("update_rss_feed: new feed, catching it up...");
1310 }
1311 catchup_feed($link, $feed, false, $owner_uid);
1312 }
1313
1314 if ($debug_enabled) {
1315 _debug("purging feed...");
1316 }
1317
1318 purge_feed($link, $feed, 0, $debug_enabled);
1319
1320 db_query($link, "UPDATE ttrss_feeds
f2798eb6 1321 SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
2c08214a
AD		 1322
1323// db_query($link, "COMMIT");
1324
1325 } else {
1326
1327 if ($use_simplepie) {
1328 $error_msg = mb_substr($rss->error(), 0, 250);
1329 } else {
1330 $error_msg = mb_substr(magpie_error(), 0, 250);
1331 }
1332
1333 if ($debug_enabled) {
1334 _debug("update_rss_feed: error fetching feed: $error_msg");
1335 }
1336
1337 $error_msg = db_escape_string($error_msg);
1338
1339 db_query($link,
1340 "UPDATE ttrss_feeds SET last_error = '$error_msg',
1341 last_updated = NOW() WHERE id = '$feed'");
1342 }
1343
1344 if ($use_simplepie) {
1345 unset($rss);
1346 }
1347
1348 if ($debug_enabled) {
1349 _debug("update_rss_feed: done");
1350 }
1351
1352 }
1353
3c696512
AD		 1354 function cache_images($html, $site_url, $debug) {
1355 $cache_dir = CACHE_DIR . "/images";
1356
1357 libxml_use_internal_errors(true);
1358
1359 $charset_hack = '<head>
1360 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
1361 </head>';
1362
1363 $doc = new DOMDocument();
1364 $doc->loadHTML($charset_hack . $html);
1365 $xpath = new DOMXPath($doc);
1366
1367 $entries = $xpath->query('(//img[@src])');
1368
1369 foreach ($entries as $entry) {
1370 if ($entry->hasAttribute('src')) {
1371 $src = rewrite_relative_url($site_url, $entry->getAttribute('src'));
1372
1373 $local_filename = CACHE_DIR . "/images/" . sha1($src) . ".png";
1374
1375 if ($debug) _debug("cache_images: downloading: $src to $local_filename");
1376
1377 if (!file_exists($local_filename)) {
1378 $file_content = fetch_file_contents($src);
1379
b8379e69 1380 if ($file_content && strlen($file_content) > 1024) {
3c696512
AD		 1381 file_put_contents($local_filename, $file_content);
1382 }
1383 }
1384
1385 if (file_exists($local_filename)) {
1386 $entry->setAttribute('src', SELF_URL_PATH . '/image.php?url=' .
487f0750 1387 base64_encode($src));
3c696512
AD		 1388 }
1389 }
1390 }
1391
1392 $node = $doc->getElementsByTagName('body')->item(0);
1393
7b8ff151 1394 return $doc->saveXML($node, LIBXML_NOEMPTYTAG);
3c696512
AD		 1395 }
1396
1397 function expire_cached_files($debug) {
d3158e22 1398 foreach (array("magpie", "simplepie", "images", "export") as $dir) {
3c696512 1399 $cache_dir = CACHE_DIR . "/$dir";
2c08214a 1400
3c696512 1401 if ($debug) _debug("Expiring $cache_dir");
2c08214a 1402
3c696512
AD		 1403 $num_deleted = 0;
1404
1405 if (is_writable($cache_dir)) {
1406 $files = glob("$cache_dir/*");
1407
2ab20c31
AD		 1408 if ($files)
1409 foreach ($files as $file) {
1410 if (time() - filemtime($file) > 86400*7) {
1411 unlink($file);
3c696512 1412
2ab20c31
AD		 1413 ++$num_deleted;
1414 }
3c696512
AD		 1415 }
1416 }
3c696512
AD		 1417
1418 if ($debug) _debug("Removed $num_deleted files.");
1419 }
1420 }
2c08214a 1421
a3e0bdcf
AD		 1422 /**
1423 * Source: http://www.php.net/manual/en/function.parse-url.php#104527
1424 * Returns the url query as associative array
1425 *
1426 * @param string query
1427 * @return array params
1428 */
1429 function convertUrlQuery($query) {
1430 $queryParts = explode('&', $query);
1431
1432 $params = array();
1433
1434 foreach ($queryParts as $param) {
1435 $item = explode('=', $param);
1436 $params[$item[0]] = $item[1];
1437 }
1438
1439 return $params;
1440 }
92c14e9d
AD		 1441
1442 function get_article_filters($filters, $title, $content, $link, $timestamp, $author, $tags) {
1443 $matches = array();
1444
1445 foreach ($filters as $filter) {
1446 $match_any_rule = $filter["match_any_rule"];
1447 $filter_match = false;
1448
1449 foreach ($filter["rules"] as $rule) {
1450 $match = false;
1451 $reg_exp = $rule["reg_exp"];
1452
1453 if (!$reg_exp)
1454 continue;
1455
1456 switch ($rule["type"]) {
1457 case "title":
1458 $match = @preg_match("/$reg_exp/i", $title);
1459 break;
1460 case "content":
d03ae73e
AD		 1461 // we don't need to deal with multiline regexps
1462 $content = preg_replace("/[\r\n\t]/", "", $content);
1463
92c14e9d
AD		 1464 $match = @preg_match("/$reg_exp/i", $content);
1465 break;
1466 case "both":
d03ae73e
AD		 1467 // we don't need to deal with multiline regexps
1468 $content = preg_replace("/[\r\n\t]/", "", $content);
1469
72d1d067 1470 $match = (@preg_match("/$reg_exp/i", $title) || @preg_match("/$reg_exp/i", $content));
92c14e9d
AD		 1471 break;
1472 case "link":
1473 $match = @preg_match("/$reg_exp/i", $link);
1474 break;
1475 case "author":
1476 $match = @preg_match("/$reg_exp/i", $author);
1477 break;
1478 case "tag":
1479 $tag_string = join(",", $tags);
1480 $match = @preg_match("/$reg_exp/i", $tag_string);
1481 break;
1482 }
1483
1484 if ($match_any_rule) {
1485 if ($match) {
1486 $filter_match = true;
1487 break;
1488 }
1489 } else {
1490 $filter_match = $match;
1491 if (!$match) {
1492 break;
1493 }
1494 }
1495 }
1496
1497 if ($filter_match) {
1498 foreach ($filter["actions"] AS $action) {
1499 array_push($matches, $action);
1500 }
1501 }
1502 }
1503
1504 return $matches;
1505 }
1506
1507 function find_article_filter($filters, $filter_name) {
1508 foreach ($filters as $f) {
1509 if ($f["type"] == $filter_name) {
1510 return $f;
1511 };
1512 }
1513 return false;
1514 }
1515
1516 function find_article_filters($filters, $filter_name) {
1517 $results = array();
1518
1519 foreach ($filters as $f) {
1520 if ($f["type"] == $filter_name) {
1521 array_push($results, $f);
1522 };
1523 }
1524 return $results;
1525 }
1526
1527 function calculate_article_score($filters) {
1528 $score = 0;
1529
1530 foreach ($filters as $f) {
1531 if ($f["type"] == "score") {
1532 $score += $f["param"];
1533 };
1534 }
1535 return $score;
1536 }
1537
b24504b1
AD		 1538 function labels_contains_caption($labels, $caption) {
1539 foreach ($labels as $label) {
1540 if ($label[1] == $caption) {
1541 return true;
1542 }
1543 }
1544
1545 return false;
1546 }
1547
1548 function assign_article_to_label_filters($link, $id, $filters, $owner_uid, $article_labels) {
92c14e9d
AD		 1549 foreach ($filters as $f) {
1550 if ($f["type"] == "label") {
b24504b1
AD		 1551 if (!labels_contains_caption($article_labels, $f["param"])) {
1552 label_add_article($link, $id, $f["param"], $owner_uid);
1553 }
1554 }
92c14e9d
AD		 1555 }
1556 }
87764a50
AD		 1557
1558 function cache_content($link, $url, $login, $pass) {
1559
1560 $content = fetch_file_contents($url, $login, $pass);
1561
1562 if ($content) {
1563 $doc = new DOMDocument();
1564 @$doc->loadHTML($content);
1565 $xpath = new DOMXPath($doc);
1566
1567 $node = $doc->getElementsByTagName('body')->item(0);
1568
1569 if ($node) {
1570 $content = $doc->saveXML($node, LIBXML_NOEMPTYTAG);
1571
1572 return $content;
1573 }
1574 }
1575
1576 return "";
1577 }
2c08214a 1578?>
web-based news feed (RSS/Atom) reader and aggregator; see https://tt-rss.org/