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1 | <?php | |
2 | define('DAEMON_UPDATE_LOGIN_LIMIT', 30); | |
3 | define('DAEMON_FEED_LIMIT', 100); | |
4 | define('DAEMON_SLEEP_INTERVAL', 60); | |
5 | ||
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 | $subscribers = db_escape_string($link, $line["subscribers"]); | |
22 | $feed_url = db_escape_string($link, $line["feed_url"]); | |
23 | $title = db_escape_string($link, $line["title"]); | |
24 | $site_url = db_escape_string($link, $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 | ||
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 | define('PREFS_NO_CACHE', true); | |
64 | ||
65 | // Test if the user has loggued in recently. If not, it does not update its feeds. | |
66 | if (!SINGLE_USER_MODE && DAEMON_UPDATE_LOGIN_LIMIT > 0) { | |
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 | OR last_updated = '1970-01-01 00:00:00')"; | |
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) | |
93 | ) OR ttrss_feeds.last_updated IS NULL | |
94 | OR last_updated = '1970-01-01 00:00:00')"; | |
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(',', $feed_ids))); | |
141 | } | |
142 | ||
143 | expire_cached_files($debug); | |
144 | expire_lock_files($debug); | |
145 | ||
146 | // For each feed, we call the feed update function. | |
147 | while ($line = array_pop($feeds_to_update)) { | |
148 | ||
149 | if($debug) _debug("Feed: " . $line["feed_url"] . ", " . $line["last_updated"]); | |
150 | ||
151 | update_rss_feed($link, $line["id"], true); | |
152 | ||
153 | sleep(1); // prevent flood (FIXME make this an option?) | |
154 | } | |
155 | ||
156 | require_once "digest.php"; | |
157 | ||
158 | // Send feed digests by email if needed. | |
159 | send_headlines_digests($link, $debug); | |
160 | ||
161 | } // function update_daemon_common | |
162 | ||
163 | // ignore_daemon is not used | |
164 | function update_rss_feed($link, $feed, $ignore_daemon = false, $no_cache = false, | |
165 | $override_url = false) { | |
166 | ||
167 | require_once "lib/simplepie/simplepie.inc"; | |
168 | ||
169 | $debug_enabled = defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']; | |
170 | ||
171 | if ($debug_enabled) { | |
172 | _debug("update_rss_feed: start"); | |
173 | } | |
174 | ||
175 | $result = db_query($link, "SELECT id,update_interval,auth_login, | |
176 | feed_url,auth_pass,cache_images,last_updated, | |
177 | mark_unread_on_update, owner_uid, | |
178 | pubsub_state | |
179 | FROM ttrss_feeds WHERE id = '$feed'"); | |
180 | ||
181 | if (db_num_rows($result) == 0) { | |
182 | if ($debug_enabled) { | |
183 | _debug("update_rss_feed: feed $feed NOT FOUND/SKIPPED"); | |
184 | } | |
185 | return false; | |
186 | } | |
187 | ||
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 | $pubsub_state = db_fetch_result($result, 0, "pubsub_state"); | |
193 | ||
194 | db_query($link, "UPDATE ttrss_feeds SET last_update_started = NOW() | |
195 | WHERE id = '$feed'"); | |
196 | ||
197 | $auth_login = db_fetch_result($result, 0, "auth_login"); | |
198 | $auth_pass = db_fetch_result($result, 0, "auth_pass"); | |
199 | ||
200 | $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images")); | |
201 | $fetch_url = db_fetch_result($result, 0, "feed_url"); | |
202 | ||
203 | $feed = db_escape_string($link, $feed); | |
204 | ||
205 | /* if ($auth_login && $auth_pass ){ | |
206 | $url_parts = array(); | |
207 | preg_match("/(^[^:]*):\/\/(.*)/", $fetch_url, $url_parts); | |
208 | ||
209 | if ($url_parts[1] && $url_parts[2]) { | |
210 | $fetch_url = $url_parts[1] . "://$auth_login:$auth_pass@" . $url_parts[2]; | |
211 | } | |
212 | } */ | |
213 | ||
214 | if ($override_url) | |
215 | $fetch_url = $override_url; | |
216 | ||
217 | if ($debug_enabled) { | |
218 | _debug("update_rss_feed: fetching [$fetch_url]..."); | |
219 | } | |
220 | ||
221 | // Ignore cache if new feed or manual update. | |
222 | $cache_age = (is_null($last_updated) || $last_updated == '1970-01-01 00:00:00') ? | |
223 | -1 : get_feed_update_interval($link, $feed) * 60; | |
224 | ||
225 | $simplepie_cache_dir = CACHE_DIR . "/simplepie"; | |
226 | ||
227 | if (!is_dir($simplepie_cache_dir)) { | |
228 | mkdir($simplepie_cache_dir); | |
229 | } | |
230 | ||
231 | $feed_data = fetch_file_contents($fetch_url, false, | |
232 | $auth_login, $auth_pass, false, $no_cache ? 15 : 45); | |
233 | ||
234 | if (!$feed_data) { | |
235 | global $fetch_last_error; | |
236 | ||
237 | if ($debug_enabled) { | |
238 | _debug("update_rss_feed: unable to fetch: $fetch_last_error"); | |
239 | } | |
240 | ||
241 | $error_escaped = db_escape_string($link, $fetch_last_error); | |
242 | ||
243 | db_query($link, | |
244 | "UPDATE ttrss_feeds SET last_error = '$error_escaped', | |
245 | last_updated = NOW() WHERE id = '$feed'"); | |
246 | ||
247 | return; | |
248 | } | |
249 | ||
250 | $pluginhost = new PluginHost($link); | |
251 | $pluginhost->set_debug($debug_enabled); | |
252 | $user_plugins = get_pref($link, "_ENABLED_PLUGINS", $owner_uid); | |
253 | ||
254 | $pluginhost->load(PLUGINS, $pluginhost::KIND_ALL); | |
255 | $pluginhost->load($user_plugins, $pluginhost::KIND_USER, $owner_uid); | |
256 | $pluginhost->load_data(); | |
257 | ||
258 | foreach ($pluginhost->get_hooks($pluginhost::HOOK_FEED_FETCHED) as $plugin) { | |
259 | $feed_data = $plugin->hook_feed_fetched($feed_data); | |
260 | } | |
261 | ||
262 | if ($debug_enabled) { | |
263 | _debug("update_rss_feed: fetch done, parsing..."); | |
264 | } | |
265 | ||
266 | $rss = new SimplePie(); | |
267 | $rss->set_sanitize_class("SanitizeDummy"); | |
268 | // simplepie ignores the above and creates default sanitizer anyway, | |
269 | // so let's override it... | |
270 | $rss->sanitize = new SanitizeDummy(); | |
271 | $rss->set_output_encoding('UTF-8'); | |
272 | $rss->set_raw_data($feed_data); | |
273 | ||
274 | if ($debug_enabled) { | |
275 | _debug("feed update interval (sec): " . | |
276 | get_feed_update_interval($link, $feed)*60); | |
277 | } | |
278 | ||
279 | $rss->enable_cache(!$no_cache); | |
280 | ||
281 | if (!$no_cache) { | |
282 | $rss->set_cache_location($simplepie_cache_dir); | |
283 | $rss->set_cache_duration($cache_age); | |
284 | } | |
285 | ||
286 | @$rss->init(); | |
287 | ||
288 | // print_r($rss); | |
289 | ||
290 | $feed = db_escape_string($link, $feed); | |
291 | ||
292 | if (!$rss->error()) { | |
293 | ||
294 | // We use local pluginhost here because we need to load different per-user feed plugins | |
295 | $pluginhost->run_hooks($pluginhost::HOOK_FEED_PARSED, "hook_feed_parsed", $rss); | |
296 | ||
297 | if ($debug_enabled) { | |
298 | _debug("update_rss_feed: processing feed data..."); | |
299 | } | |
300 | ||
301 | // db_query($link, "BEGIN"); | |
302 | ||
303 | if (DB_TYPE == "pgsql") { | |
304 | $favicon_interval_qpart = "favicon_last_checked < NOW() - INTERVAL '12 hour'"; | |
305 | } else { | |
306 | $favicon_interval_qpart = "favicon_last_checked < DATE_SUB(NOW(), INTERVAL 12 HOUR)"; | |
307 | } | |
308 | ||
309 | $result = db_query($link, "SELECT title,site_url,owner_uid, | |
310 | (favicon_last_checked IS NULL OR $favicon_interval_qpart) AS | |
311 | favicon_needs_check | |
312 | FROM ttrss_feeds WHERE id = '$feed'"); | |
313 | ||
314 | $registered_title = db_fetch_result($result, 0, "title"); | |
315 | $orig_site_url = db_fetch_result($result, 0, "site_url"); | |
316 | $favicon_needs_check = sql_bool_to_bool(db_fetch_result($result, 0, | |
317 | "favicon_needs_check")); | |
318 | ||
319 | $owner_uid = db_fetch_result($result, 0, "owner_uid"); | |
320 | ||
321 | $site_url = db_escape_string($link, mb_substr(rewrite_relative_url($fetch_url, $rss->get_link()), 0, 245)); | |
322 | ||
323 | if ($debug_enabled) { | |
324 | _debug("update_rss_feed: checking favicon..."); | |
325 | } | |
326 | ||
327 | if ($favicon_needs_check) { | |
328 | check_feed_favicon($site_url, $feed, $link); | |
329 | ||
330 | db_query($link, "UPDATE ttrss_feeds SET favicon_last_checked = NOW() | |
331 | WHERE id = '$feed'"); | |
332 | } | |
333 | ||
334 | if (!$registered_title || $registered_title == "[Unknown]") { | |
335 | ||
336 | $feed_title = db_escape_string($link, $rss->get_title()); | |
337 | ||
338 | if ($debug_enabled) { | |
339 | _debug("update_rss_feed: registering title: $feed_title"); | |
340 | } | |
341 | ||
342 | db_query($link, "UPDATE ttrss_feeds SET | |
343 | title = '$feed_title' WHERE id = '$feed'"); | |
344 | } | |
345 | ||
346 | if ($site_url && $orig_site_url != $site_url) { | |
347 | db_query($link, "UPDATE ttrss_feeds SET | |
348 | site_url = '$site_url' WHERE id = '$feed'"); | |
349 | } | |
350 | ||
351 | if ($debug_enabled) { | |
352 | _debug("update_rss_feed: loading filters & labels..."); | |
353 | } | |
354 | ||
355 | $filters = load_filters($link, $feed, $owner_uid); | |
356 | $labels = get_all_labels($link, $owner_uid); | |
357 | ||
358 | if ($debug_enabled) { | |
359 | //print_r($filters); | |
360 | _debug("update_rss_feed: " . count($filters) . " filters loaded."); | |
361 | } | |
362 | ||
363 | $items = $rss->get_items(); | |
364 | ||
365 | if (!is_array($items)) { | |
366 | if ($debug_enabled) { | |
367 | _debug("update_rss_feed: no articles found."); | |
368 | } | |
369 | ||
370 | db_query($link, "UPDATE ttrss_feeds | |
371 | SET last_updated = NOW(), last_error = '' WHERE id = '$feed'"); | |
372 | ||
373 | return; // no articles | |
374 | } | |
375 | ||
376 | if ($pubsub_state != 2 && PUBSUBHUBBUB_ENABLED) { | |
377 | ||
378 | if ($debug_enabled) _debug("update_rss_feed: checking for PUSH hub..."); | |
379 | ||
380 | $feed_hub_url = false; | |
381 | ||
382 | $links = $rss->get_links('hub'); | |
383 | ||
384 | if ($links && is_array($links)) { | |
385 | foreach ($links as $l) { | |
386 | $feed_hub_url = $l; | |
387 | break; | |
388 | } | |
389 | } | |
390 | ||
391 | if ($debug_enabled) _debug("update_rss_feed: feed hub url: $feed_hub_url"); | |
392 | ||
393 | if ($feed_hub_url && function_exists('curl_init') && | |
394 | !ini_get("open_basedir")) { | |
395 | ||
396 | require_once 'lib/pubsubhubbub/subscriber.php'; | |
397 | ||
398 | $callback_url = get_self_url_prefix() . | |
399 | "/public.php?op=pubsub&id=$feed"; | |
400 | ||
401 | $s = new Subscriber($feed_hub_url, $callback_url); | |
402 | ||
403 | $rc = $s->subscribe($fetch_url); | |
404 | ||
405 | if ($debug_enabled) | |
406 | _debug("update_rss_feed: feed hub url found, subscribe request sent."); | |
407 | ||
408 | db_query($link, "UPDATE ttrss_feeds SET pubsub_state = 1 | |
409 | WHERE id = '$feed'"); | |
410 | } | |
411 | } | |
412 | ||
413 | if ($debug_enabled) { | |
414 | _debug("update_rss_feed: processing articles..."); | |
415 | } | |
416 | ||
417 | foreach ($items as $item) { | |
418 | if ($_REQUEST['xdebug'] == 3) { | |
419 | print_r($item); | |
420 | } | |
421 | ||
422 | $entry_guid = $item->get_id(); | |
423 | if (!$entry_guid) $entry_guid = $item->get_link(); | |
424 | if (!$entry_guid) $entry_guid = make_guid_from_title($item->get_title()); | |
425 | ||
426 | if ($debug_enabled) { | |
427 | _debug("update_rss_feed: guid $entry_guid"); | |
428 | } | |
429 | ||
430 | if (!$entry_guid) continue; | |
431 | ||
432 | $entry_guid = "$owner_uid,$entry_guid"; | |
433 | ||
434 | $entry_timestamp = ""; | |
435 | ||
436 | $entry_timestamp = strtotime($item->get_date()); | |
437 | ||
438 | if ($entry_timestamp == -1 || !$entry_timestamp || $entry_timestamp > time()) { | |
439 | $entry_timestamp = time(); | |
440 | $no_orig_date = 'true'; | |
441 | } else { | |
442 | $no_orig_date = 'false'; | |
443 | } | |
444 | ||
445 | $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp); | |
446 | ||
447 | if ($debug_enabled) { | |
448 | _debug("update_rss_feed: date $entry_timestamp [$entry_timestamp_fmt]"); | |
449 | } | |
450 | ||
451 | $entry_title = $item->get_title(); | |
452 | ||
453 | $entry_link = rewrite_relative_url($site_url, $item->get_link()); | |
454 | ||
455 | if ($debug_enabled) { | |
456 | _debug("update_rss_feed: title $entry_title"); | |
457 | _debug("update_rss_feed: link $entry_link"); | |
458 | } | |
459 | ||
460 | if (!$entry_title) $entry_title = date("Y-m-d H:i:s", $entry_timestamp);; | |
461 | ||
462 | $entry_content = $item->get_content(); | |
463 | if (!$entry_content) $entry_content = $item->get_description(); | |
464 | ||
465 | if ($_REQUEST["xdebug"] == 2) { | |
466 | print "update_rss_feed: content: "; | |
467 | print $entry_content; | |
468 | print "\n"; | |
469 | } | |
470 | ||
471 | $entry_comments = $item->data["comments"]; | |
472 | ||
473 | if ($item->get_author()) { | |
474 | $entry_author_item = $item->get_author(); | |
475 | $entry_author = $entry_author_item->get_name(); | |
476 | if (!$entry_author) $entry_author = $entry_author_item->get_email(); | |
477 | ||
478 | $entry_author = db_escape_string($link, $entry_author); | |
479 | } | |
480 | ||
481 | $entry_guid = db_escape_string($link, mb_substr($entry_guid, 0, 245)); | |
482 | ||
483 | $entry_comments = db_escape_string($link, mb_substr($entry_comments, 0, 245)); | |
484 | $entry_author = db_escape_string($link, mb_substr($entry_author, 0, 245)); | |
485 | ||
486 | $num_comments = $item->get_item_tags('http://purl.org/rss/1.0/modules/slash/', 'comments'); | |
487 | ||
488 | if (is_array($num_comments) && is_array($num_comments[0])) { | |
489 | $num_comments = (int) $num_comments[0]["data"]; | |
490 | } else { | |
491 | $num_comments = 0; | |
492 | } | |
493 | ||
494 | if ($debug_enabled) { | |
495 | _debug("update_rss_feed: num_comments: $num_comments"); | |
496 | _debug("update_rss_feed: looking for tags [1]..."); | |
497 | } | |
498 | ||
499 | // parse <category> entries into tags | |
500 | ||
501 | $additional_tags = array(); | |
502 | ||
503 | $additional_tags_src = $item->get_categories(); | |
504 | ||
505 | if (is_array($additional_tags_src)) { | |
506 | foreach ($additional_tags_src as $tobj) { | |
507 | array_push($additional_tags, $tobj->get_term()); | |
508 | } | |
509 | } | |
510 | ||
511 | if ($debug_enabled) { | |
512 | _debug("update_rss_feed: category tags:"); | |
513 | print_r($additional_tags); | |
514 | } | |
515 | ||
516 | if ($debug_enabled) { | |
517 | _debug("update_rss_feed: looking for tags [2]..."); | |
518 | } | |
519 | ||
520 | $entry_tags = array_unique($additional_tags); | |
521 | ||
522 | for ($i = 0; $i < count($entry_tags); $i++) | |
523 | $entry_tags[$i] = mb_strtolower($entry_tags[$i], 'utf-8'); | |
524 | ||
525 | if ($debug_enabled) { | |
526 | //_debug("update_rss_feed: unfiltered tags found:"); | |
527 | //print_r($entry_tags); | |
528 | } | |
529 | ||
530 | if ($debug_enabled) { | |
531 | _debug("update_rss_feed: done collecting data."); | |
532 | } | |
533 | ||
534 | // TODO: less memory-hungry implementation | |
535 | ||
536 | if ($debug_enabled) { | |
537 | _debug("update_rss_feed: applying plugin filters.."); | |
538 | } | |
539 | ||
540 | // FIXME not sure if owner_uid is a good idea here, we may have a base entry without user entry (?) | |
541 | $result = db_query($link, "SELECT plugin_data,title,content,link,tag_cache,author FROM ttrss_entries, ttrss_user_entries | |
542 | WHERE ref_id = id AND guid = '".db_escape_string($link, $entry_guid)."' AND owner_uid = $owner_uid"); | |
543 | ||
544 | if (db_num_rows($result) != 0) { | |
545 | $entry_plugin_data = db_fetch_result($result, 0, "plugin_data"); | |
546 | $stored_article = array("title" => db_fetch_result($result, 0, "title"), | |
547 | "content" => db_fetch_result($result, 0, "content"), | |
548 | "link" => db_fetch_result($result, 0, "link"), | |
549 | "tags" => explode(",", db_fetch_result($result, 0, "tag_cache")), | |
550 | "author" => db_fetch_result($result, 0, "author")); | |
551 | } else { | |
552 | $entry_plugin_data = ""; | |
553 | $stored_article = array(); | |
554 | } | |
555 | ||
556 | $article = array("owner_uid" => $owner_uid, // read only | |
557 | "guid" => $entry_guid, // read only | |
558 | "title" => $entry_title, | |
559 | "content" => $entry_content, | |
560 | "link" => $entry_link, | |
561 | "tags" => $entry_tags, | |
562 | "plugin_data" => $entry_plugin_data, | |
563 | "author" => $entry_author, | |
564 | "stored" => $stored_article); | |
565 | ||
566 | foreach ($pluginhost->get_hooks($pluginhost::HOOK_ARTICLE_FILTER) as $plugin) { | |
567 | $article = $plugin->hook_article_filter($article); | |
568 | } | |
569 | ||
570 | $entry_tags = $article["tags"]; | |
571 | $entry_guid = db_escape_string($link, $entry_guid); | |
572 | $entry_title = db_escape_string($link, $article["title"]); | |
573 | $entry_author = db_escape_string($link, $article["author"]); | |
574 | $entry_link = db_escape_string($link, $article["link"]); | |
575 | $entry_plugin_data = db_escape_string($link, $article["plugin_data"]); | |
576 | $entry_content = $article["content"]; // escaped below | |
577 | ||
578 | ||
579 | if ($debug_enabled) { | |
580 | _debug("update_rss_feed: plugin data: $entry_plugin_data"); | |
581 | } | |
582 | ||
583 | if ($cache_images && is_writable(CACHE_DIR . '/images')) | |
584 | cache_images($entry_content, $site_url, $debug_enabled); | |
585 | ||
586 | $entry_content = db_escape_string($link, $entry_content, false); | |
587 | ||
588 | $content_hash = "SHA1:" . sha1($entry_content); | |
589 | ||
590 | db_query($link, "BEGIN"); | |
591 | ||
592 | $result = db_query($link, "SELECT id FROM ttrss_entries | |
593 | WHERE guid = '$entry_guid'"); | |
594 | ||
595 | if (db_num_rows($result) == 0) { | |
596 | ||
597 | if ($debug_enabled) { | |
598 | _debug("update_rss_feed: base guid [$entry_guid] not found"); | |
599 | } | |
600 | ||
601 | // base post entry does not exist, create it | |
602 | ||
603 | $result = db_query($link, | |
604 | "INSERT INTO ttrss_entries | |
605 | (title, | |
606 | guid, | |
607 | link, | |
608 | updated, | |
609 | content, | |
610 | content_hash, | |
611 | cached_content, | |
612 | no_orig_date, | |
613 | date_updated, | |
614 | date_entered, | |
615 | comments, | |
616 | num_comments, | |
617 | plugin_data, | |
618 | author) | |
619 | VALUES | |
620 | ('$entry_title', | |
621 | '$entry_guid', | |
622 | '$entry_link', | |
623 | '$entry_timestamp_fmt', | |
624 | '$entry_content', | |
625 | '$content_hash', | |
626 | '', | |
627 | $no_orig_date, | |
628 | NOW(), | |
629 | NOW(), | |
630 | '$entry_comments', | |
631 | '$num_comments', | |
632 | '$entry_plugin_data', | |
633 | '$entry_author')"); | |
634 | ||
635 | $article_labels = array(); | |
636 | ||
637 | } else { | |
638 | // we keep encountering the entry in feeds, so we need to | |
639 | // update date_updated column so that we don't get horrible | |
640 | // dupes when the entry gets purged and reinserted again e.g. | |
641 | // in the case of SLOW SLOW OMG SLOW updating feeds | |
642 | ||
643 | $base_entry_id = db_fetch_result($result, 0, "id"); | |
644 | ||
645 | db_query($link, "UPDATE ttrss_entries SET date_updated = NOW() | |
646 | WHERE id = '$base_entry_id'"); | |
647 | ||
648 | $article_labels = get_article_labels($link, $base_entry_id, $owner_uid); | |
649 | } | |
650 | ||
651 | // now it should exist, if not - bad luck then | |
652 | ||
653 | $result = db_query($link, "SELECT | |
654 | id,content_hash,no_orig_date,title,plugin_data, | |
655 | ".SUBSTRING_FOR_DATE."(date_updated,1,19) as date_updated, | |
656 | ".SUBSTRING_FOR_DATE."(updated,1,19) as updated, | |
657 | num_comments | |
658 | FROM | |
659 | ttrss_entries | |
660 | WHERE guid = '$entry_guid'"); | |
661 | ||
662 | $entry_ref_id = 0; | |
663 | $entry_int_id = 0; | |
664 | ||
665 | if (db_num_rows($result) == 1) { | |
666 | ||
667 | if ($debug_enabled) { | |
668 | _debug("update_rss_feed: base guid [$entry_guid] found, checking for user record"); | |
669 | } | |
670 | ||
671 | // this will be used below in update handler | |
672 | $orig_content_hash = db_fetch_result($result, 0, "content_hash"); | |
673 | $orig_title = db_fetch_result($result, 0, "title"); | |
674 | $orig_num_comments = db_fetch_result($result, 0, "num_comments"); | |
675 | $orig_date_updated = strtotime(db_fetch_result($result, | |
676 | 0, "date_updated")); | |
677 | $orig_plugin_data = db_fetch_result($result, 0, "plugin_data"); | |
678 | ||
679 | $ref_id = db_fetch_result($result, 0, "id"); | |
680 | $entry_ref_id = $ref_id; | |
681 | ||
682 | // check for user post link to main table | |
683 | ||
684 | // do we allow duplicate posts with same GUID in different feeds? | |
685 | if (get_pref($link, "ALLOW_DUPLICATE_POSTS", $owner_uid, false)) { | |
686 | $dupcheck_qpart = "AND (feed_id = '$feed' OR feed_id IS NULL)"; | |
687 | } else { | |
688 | $dupcheck_qpart = ""; | |
689 | } | |
690 | ||
691 | /* Collect article tags here so we could filter by them: */ | |
692 | ||
693 | $article_filters = get_article_filters($filters, $entry_title, | |
694 | $entry_content, $entry_link, $entry_timestamp, $entry_author, | |
695 | $entry_tags); | |
696 | ||
697 | if ($debug_enabled) { | |
698 | _debug("update_rss_feed: article filters: "); | |
699 | if (count($article_filters) != 0) { | |
700 | print_r($article_filters); | |
701 | } | |
702 | } | |
703 | ||
704 | if (find_article_filter($article_filters, "filter")) { | |
705 | db_query($link, "COMMIT"); // close transaction in progress | |
706 | continue; | |
707 | } | |
708 | ||
709 | $score = calculate_article_score($article_filters); | |
710 | ||
711 | if ($debug_enabled) { | |
712 | _debug("update_rss_feed: initial score: $score"); | |
713 | } | |
714 | ||
715 | $query = "SELECT ref_id, int_id FROM ttrss_user_entries WHERE | |
716 | ref_id = '$ref_id' AND owner_uid = '$owner_uid' | |
717 | $dupcheck_qpart"; | |
718 | ||
719 | // if ($_REQUEST["xdebug"]) print "$query\n"; | |
720 | ||
721 | $result = db_query($link, $query); | |
722 | ||
723 | // okay it doesn't exist - create user entry | |
724 | if (db_num_rows($result) == 0) { | |
725 | ||
726 | if ($debug_enabled) { | |
727 | _debug("update_rss_feed: user record not found, creating..."); | |
728 | } | |
729 | ||
730 | if ($score >= -500 && !find_article_filter($article_filters, 'catchup')) { | |
731 | $unread = 'true'; | |
732 | $last_read_qpart = 'NULL'; | |
733 | } else { | |
734 | $unread = 'false'; | |
735 | $last_read_qpart = 'NOW()'; | |
736 | } | |
737 | ||
738 | if (find_article_filter($article_filters, 'mark') || $score > 1000) { | |
739 | $marked = 'true'; | |
740 | } else { | |
741 | $marked = 'false'; | |
742 | } | |
743 | ||
744 | if (find_article_filter($article_filters, 'publish')) { | |
745 | $published = 'true'; | |
746 | } else { | |
747 | $published = 'false'; | |
748 | } | |
749 | ||
750 | // N-grams | |
751 | ||
752 | if (DB_TYPE == "pgsql" and defined('_NGRAM_TITLE_DUPLICATE_THRESHOLD')) { | |
753 | ||
754 | $result = db_query($link, "SELECT COUNT(*) AS similar FROM | |
755 | ttrss_entries,ttrss_user_entries | |
756 | WHERE ref_id = id AND updated >= NOW() - INTERVAL '7 day' | |
757 | AND similarity(title, '$entry_title') >= "._NGRAM_TITLE_DUPLICATE_THRESHOLD." | |
758 | AND owner_uid = $owner_uid"); | |
759 | ||
760 | $ngram_similar = db_fetch_result($result, 0, "similar"); | |
761 | ||
762 | if ($debug_enabled) { | |
763 | _debug("update_rss_feed: N-gram similar results: $ngram_similar"); | |
764 | } | |
765 | ||
766 | if ($ngram_similar > 0) { | |
767 | $unread = 'false'; | |
768 | } | |
769 | } | |
770 | ||
771 | $last_marked = ($marked == 'true') ? 'NOW()' : 'NULL'; | |
772 | $last_published = ($published == 'true') ? 'NOW()' : 'NULL'; | |
773 | ||
774 | $result = db_query($link, | |
775 | "INSERT INTO ttrss_user_entries | |
776 | (ref_id, owner_uid, feed_id, unread, last_read, marked, | |
777 | published, score, tag_cache, label_cache, uuid, | |
778 | last_marked, last_published) | |
779 | VALUES ('$ref_id', '$owner_uid', '$feed', $unread, | |
780 | $last_read_qpart, $marked, $published, '$score', '', '', | |
781 | '', $last_marked, $last_published)"); | |
782 | ||
783 | if (PUBSUBHUBBUB_HUB && $published == 'true') { | |
784 | $rss_link = get_self_url_prefix() . | |
785 | "/public.php?op=rss&id=-2&key=" . | |
786 | get_feed_access_key($link, -2, false, $owner_uid); | |
787 | ||
788 | $p = new Publisher(PUBSUBHUBBUB_HUB); | |
789 | ||
790 | $pubsub_result = $p->publish_update($rss_link); | |
791 | } | |
792 | ||
793 | $result = db_query($link, | |
794 | "SELECT int_id FROM ttrss_user_entries WHERE | |
795 | ref_id = '$ref_id' AND owner_uid = '$owner_uid' AND | |
796 | feed_id = '$feed' LIMIT 1"); | |
797 | ||
798 | if (db_num_rows($result) == 1) { | |
799 | $entry_int_id = db_fetch_result($result, 0, "int_id"); | |
800 | } | |
801 | } else { | |
802 | if ($debug_enabled) { | |
803 | _debug("update_rss_feed: user record FOUND"); | |
804 | } | |
805 | ||
806 | $entry_ref_id = db_fetch_result($result, 0, "ref_id"); | |
807 | $entry_int_id = db_fetch_result($result, 0, "int_id"); | |
808 | } | |
809 | ||
810 | if ($debug_enabled) { | |
811 | _debug("update_rss_feed: RID: $entry_ref_id, IID: $entry_int_id"); | |
812 | } | |
813 | ||
814 | $post_needs_update = false; | |
815 | $update_insignificant = false; | |
816 | ||
817 | if ($orig_num_comments != $num_comments) { | |
818 | $post_needs_update = true; | |
819 | $update_insignificant = true; | |
820 | } | |
821 | ||
822 | if ($entry_plugin_data != $orig_plugin_data) { | |
823 | $post_needs_update = true; | |
824 | $update_insignificant = true; | |
825 | } | |
826 | ||
827 | if ($content_hash != $orig_content_hash) { | |
828 | $post_needs_update = true; | |
829 | $update_insignificant = false; | |
830 | } | |
831 | ||
832 | if (db_escape_string($link, $orig_title) != $entry_title) { | |
833 | $post_needs_update = true; | |
834 | $update_insignificant = false; | |
835 | } | |
836 | ||
837 | // if post needs update, update it and mark all user entries | |
838 | // linking to this post as updated | |
839 | if ($post_needs_update) { | |
840 | ||
841 | if (defined('DAEMON_EXTENDED_DEBUG')) { | |
842 | _debug("update_rss_feed: post $entry_guid needs update..."); | |
843 | } | |
844 | ||
845 | // print "<!-- post $orig_title needs update : $post_needs_update -->"; | |
846 | ||
847 | db_query($link, "UPDATE ttrss_entries | |
848 | SET title = '$entry_title', content = '$entry_content', | |
849 | content_hash = '$content_hash', | |
850 | updated = '$entry_timestamp_fmt', | |
851 | num_comments = '$num_comments', | |
852 | plugin_data = '$entry_plugin_data' | |
853 | WHERE id = '$ref_id'"); | |
854 | ||
855 | if (!$update_insignificant) { | |
856 | if ($mark_unread_on_update) { | |
857 | db_query($link, "UPDATE ttrss_user_entries | |
858 | SET last_read = null, unread = true WHERE ref_id = '$ref_id'"); | |
859 | } | |
860 | } | |
861 | } | |
862 | } | |
863 | ||
864 | db_query($link, "COMMIT"); | |
865 | ||
866 | if ($debug_enabled) { | |
867 | _debug("update_rss_feed: assigning labels..."); | |
868 | } | |
869 | ||
870 | assign_article_to_label_filters($link, $entry_ref_id, $article_filters, | |
871 | $owner_uid, $article_labels); | |
872 | ||
873 | if ($debug_enabled) { | |
874 | _debug("update_rss_feed: looking for enclosures..."); | |
875 | } | |
876 | ||
877 | // enclosures | |
878 | ||
879 | $enclosures = array(); | |
880 | ||
881 | $encs = $item->get_enclosures(); | |
882 | ||
883 | if (is_array($encs)) { | |
884 | foreach ($encs as $e) { | |
885 | $e_item = array( | |
886 | $e->link, $e->type, $e->length); | |
887 | array_push($enclosures, $e_item); | |
888 | } | |
889 | } | |
890 | ||
891 | if ($debug_enabled) { | |
892 | _debug("update_rss_feed: article enclosures:"); | |
893 | print_r($enclosures); | |
894 | } | |
895 | ||
896 | db_query($link, "BEGIN"); | |
897 | ||
898 | foreach ($enclosures as $enc) { | |
899 | $enc_url = db_escape_string($link, $enc[0]); | |
900 | $enc_type = db_escape_string($link, $enc[1]); | |
901 | $enc_dur = db_escape_string($link, $enc[2]); | |
902 | ||
903 | $result = db_query($link, "SELECT id FROM ttrss_enclosures | |
904 | WHERE content_url = '$enc_url' AND post_id = '$entry_ref_id'"); | |
905 | ||
906 | if (db_num_rows($result) == 0) { | |
907 | db_query($link, "INSERT INTO ttrss_enclosures | |
908 | (content_url, content_type, title, duration, post_id) VALUES | |
909 | ('$enc_url', '$enc_type', '', '$enc_dur', '$entry_ref_id')"); | |
910 | } | |
911 | } | |
912 | ||
913 | db_query($link, "COMMIT"); | |
914 | ||
915 | // check for manual tags (we have to do it here since they're loaded from filters) | |
916 | ||
917 | foreach ($article_filters as $f) { | |
918 | if ($f["type"] == "tag") { | |
919 | ||
920 | $manual_tags = trim_array(explode(",", $f["param"])); | |
921 | ||
922 | foreach ($manual_tags as $tag) { | |
923 | if (tag_is_valid($tag)) { | |
924 | array_push($entry_tags, $tag); | |
925 | } | |
926 | } | |
927 | } | |
928 | } | |
929 | ||
930 | // Skip boring tags | |
931 | ||
932 | $boring_tags = trim_array(explode(",", mb_strtolower(get_pref($link, | |
933 | 'BLACKLISTED_TAGS', $owner_uid, ''), 'utf-8'))); | |
934 | ||
935 | $filtered_tags = array(); | |
936 | $tags_to_cache = array(); | |
937 | ||
938 | if ($entry_tags && is_array($entry_tags)) { | |
939 | foreach ($entry_tags as $tag) { | |
940 | if (array_search($tag, $boring_tags) === false) { | |
941 | array_push($filtered_tags, $tag); | |
942 | } | |
943 | } | |
944 | } | |
945 | ||
946 | $filtered_tags = array_unique($filtered_tags); | |
947 | ||
948 | if ($debug_enabled) { | |
949 | _debug("update_rss_feed: filtered article tags:"); | |
950 | print_r($filtered_tags); | |
951 | } | |
952 | ||
953 | // Save article tags in the database | |
954 | ||
955 | if (count($filtered_tags) > 0) { | |
956 | ||
957 | db_query($link, "BEGIN"); | |
958 | ||
959 | foreach ($filtered_tags as $tag) { | |
960 | ||
961 | $tag = sanitize_tag($tag); | |
962 | $tag = db_escape_string($link, $tag); | |
963 | ||
964 | if (!tag_is_valid($tag)) continue; | |
965 | ||
966 | $result = db_query($link, "SELECT id FROM ttrss_tags | |
967 | WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND | |
968 | owner_uid = '$owner_uid' LIMIT 1"); | |
969 | ||
970 | if ($result && db_num_rows($result) == 0) { | |
971 | ||
972 | db_query($link, "INSERT INTO ttrss_tags | |
973 | (owner_uid,tag_name,post_int_id) | |
974 | VALUES ('$owner_uid','$tag', '$entry_int_id')"); | |
975 | } | |
976 | ||
977 | array_push($tags_to_cache, $tag); | |
978 | } | |
979 | ||
980 | /* update the cache */ | |
981 | ||
982 | $tags_to_cache = array_unique($tags_to_cache); | |
983 | ||
984 | $tags_str = db_escape_string($link, join(",", $tags_to_cache)); | |
985 | ||
986 | db_query($link, "UPDATE ttrss_user_entries | |
987 | SET tag_cache = '$tags_str' WHERE ref_id = '$entry_ref_id' | |
988 | AND owner_uid = $owner_uid"); | |
989 | ||
990 | db_query($link, "COMMIT"); | |
991 | } | |
992 | ||
993 | if (get_pref($link, "AUTO_ASSIGN_LABELS", $owner_uid, false)) { | |
994 | if ($debug_enabled) { | |
995 | _debug("update_rss_feed: auto-assigning labels..."); | |
996 | } | |
997 | ||
998 | foreach ($labels as $label) { | |
999 | $caption = preg_quote($label["caption"]); | |
1000 | ||
1001 | if ($caption && preg_match("/\b$caption\b/i", "$tags_str " . strip_tags($entry_content) . " $entry_title")) { | |
1002 | if (!labels_contains_caption($article_labels, $caption)) { | |
1003 | label_add_article($link, $entry_ref_id, $caption, $owner_uid); | |
1004 | } | |
1005 | } | |
1006 | } | |
1007 | } | |
1008 | ||
1009 | if ($debug_enabled) { | |
1010 | _debug("update_rss_feed: article processed"); | |
1011 | } | |
1012 | } | |
1013 | ||
1014 | if (!$last_updated) { | |
1015 | if ($debug_enabled) { | |
1016 | _debug("update_rss_feed: new feed, catching it up..."); | |
1017 | } | |
1018 | catchup_feed($link, $feed, false, $owner_uid); | |
1019 | } | |
1020 | ||
1021 | if ($debug_enabled) { | |
1022 | _debug("purging feed..."); | |
1023 | } | |
1024 | ||
1025 | purge_feed($link, $feed, 0, $debug_enabled); | |
1026 | ||
1027 | db_query($link, "UPDATE ttrss_feeds | |
1028 | SET last_updated = NOW(), last_error = '' WHERE id = '$feed'"); | |
1029 | ||
1030 | // db_query($link, "COMMIT"); | |
1031 | ||
1032 | } else { | |
1033 | ||
1034 | $error_msg = db_escape_string($link, mb_substr($rss->error(), 0, 245)); | |
1035 | ||
1036 | if ($debug_enabled) { | |
1037 | _debug("update_rss_feed: error fetching feed: $error_msg"); | |
1038 | } | |
1039 | ||
1040 | db_query($link, | |
1041 | "UPDATE ttrss_feeds SET last_error = '$error_msg', | |
1042 | last_updated = NOW() WHERE id = '$feed'"); | |
1043 | } | |
1044 | ||
1045 | unset($rss); | |
1046 | ||
1047 | if ($debug_enabled) { | |
1048 | _debug("update_rss_feed: done"); | |
1049 | } | |
1050 | ||
1051 | } | |
1052 | ||
1053 | function cache_images($html, $site_url, $debug) { | |
1054 | $cache_dir = CACHE_DIR . "/images"; | |
1055 | ||
1056 | libxml_use_internal_errors(true); | |
1057 | ||
1058 | $charset_hack = '<head> | |
1059 | <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> | |
1060 | </head>'; | |
1061 | ||
1062 | $doc = new DOMDocument(); | |
1063 | $doc->loadHTML($charset_hack . $html); | |
1064 | $xpath = new DOMXPath($doc); | |
1065 | ||
1066 | $entries = $xpath->query('(//img[@src])'); | |
1067 | ||
1068 | foreach ($entries as $entry) { | |
1069 | if ($entry->hasAttribute('src')) { | |
1070 | $src = rewrite_relative_url($site_url, $entry->getAttribute('src')); | |
1071 | ||
1072 | $local_filename = CACHE_DIR . "/images/" . sha1($src) . ".png"; | |
1073 | ||
1074 | if ($debug) _debug("cache_images: downloading: $src to $local_filename"); | |
1075 | ||
1076 | if (!file_exists($local_filename)) { | |
1077 | $file_content = fetch_file_contents($src); | |
1078 | ||
1079 | if ($file_content && strlen($file_content) > 1024) { | |
1080 | file_put_contents($local_filename, $file_content); | |
1081 | } | |
1082 | } | |
1083 | ||
1084 | if (file_exists($local_filename)) { | |
1085 | $entry->setAttribute('src', SELF_URL_PATH . '/image.php?url=' . | |
1086 | base64_encode($src)); | |
1087 | } | |
1088 | } | |
1089 | } | |
1090 | ||
1091 | $node = $doc->getElementsByTagName('body')->item(0); | |
1092 | ||
1093 | return $doc->saveXML($node); | |
1094 | } | |
1095 | ||
1096 | function expire_lock_files($debug) { | |
1097 | if ($debug) _debug("Removing old lock files..."); | |
1098 | ||
1099 | $num_deleted = 0; | |
1100 | ||
1101 | if (is_writable(LOCK_DIRECTORY)) { | |
1102 | $files = glob(LOCK_DIRECTORY . "/*.lock"); | |
1103 | ||
1104 | if ($files) { | |
1105 | foreach ($files as $file) { | |
1106 | if (!file_is_locked($file) && time() - filemtime($file) > 86400*2) { | |
1107 | unlink($file); | |
1108 | ++$num_deleted; | |
1109 | } | |
1110 | } | |
1111 | } | |
1112 | } | |
1113 | ||
1114 | if ($debug) _debug("Removed $num_deleted files."); | |
1115 | } | |
1116 | ||
1117 | function expire_cached_files($debug) { | |
1118 | foreach (array("simplepie", "images", "export") as $dir) { | |
1119 | $cache_dir = CACHE_DIR . "/$dir"; | |
1120 | ||
1121 | if ($debug) _debug("Expiring $cache_dir"); | |
1122 | ||
1123 | $num_deleted = 0; | |
1124 | ||
1125 | if (is_writable($cache_dir)) { | |
1126 | $files = glob("$cache_dir/*"); | |
1127 | ||
1128 | if ($files) { | |
1129 | foreach ($files as $file) { | |
1130 | if (time() - filemtime($file) > 86400*7) { | |
1131 | unlink($file); | |
1132 | ||
1133 | ++$num_deleted; | |
1134 | } | |
1135 | } | |
1136 | } | |
1137 | } | |
1138 | ||
1139 | if ($debug) _debug("Removed $num_deleted files."); | |
1140 | } | |
1141 | } | |
1142 | ||
1143 | /** | |
1144 | * Source: http://www.php.net/manual/en/function.parse-url.php#104527 | |
1145 | * Returns the url query as associative array | |
1146 | * | |
1147 | * @param string query | |
1148 | * @return array params | |
1149 | */ | |
1150 | function convertUrlQuery($query) { | |
1151 | $queryParts = explode('&', $query); | |
1152 | ||
1153 | $params = array(); | |
1154 | ||
1155 | foreach ($queryParts as $param) { | |
1156 | $item = explode('=', $param); | |
1157 | $params[$item[0]] = $item[1]; | |
1158 | } | |
1159 | ||
1160 | return $params; | |
1161 | } | |
1162 | ||
1163 | function get_article_filters($filters, $title, $content, $link, $timestamp, $author, $tags) { | |
1164 | $matches = array(); | |
1165 | ||
1166 | foreach ($filters as $filter) { | |
1167 | $match_any_rule = $filter["match_any_rule"]; | |
1168 | $inverse = $filter["inverse"]; | |
1169 | $filter_match = false; | |
1170 | ||
1171 | foreach ($filter["rules"] as $rule) { | |
1172 | $match = false; | |
1173 | $reg_exp = $rule["reg_exp"]; | |
1174 | $rule_inverse = $rule["inverse"]; | |
1175 | ||
1176 | if (!$reg_exp) | |
1177 | continue; | |
1178 | ||
1179 | switch ($rule["type"]) { | |
1180 | case "title": | |
1181 | $match = @preg_match("/$reg_exp/i", $title); | |
1182 | break; | |
1183 | case "content": | |
1184 | // we don't need to deal with multiline regexps | |
1185 | $content = preg_replace("/[\r\n\t]/", "", $content); | |
1186 | ||
1187 | $match = @preg_match("/$reg_exp/i", $content); | |
1188 | break; | |
1189 | case "both": | |
1190 | // we don't need to deal with multiline regexps | |
1191 | $content = preg_replace("/[\r\n\t]/", "", $content); | |
1192 | ||
1193 | $match = (@preg_match("/$reg_exp/i", $title) || @preg_match("/$reg_exp/i", $content)); | |
1194 | break; | |
1195 | case "link": | |
1196 | $match = @preg_match("/$reg_exp/i", $link); | |
1197 | break; | |
1198 | case "author": | |
1199 | $match = @preg_match("/$reg_exp/i", $author); | |
1200 | break; | |
1201 | case "tag": | |
1202 | $tag_string = join(",", $tags); | |
1203 | $match = @preg_match("/$reg_exp/i", $tag_string); | |
1204 | break; | |
1205 | } | |
1206 | ||
1207 | if ($rule_inverse) $match = !$match; | |
1208 | ||
1209 | if ($match_any_rule) { | |
1210 | if ($match) { | |
1211 | $filter_match = true; | |
1212 | break; | |
1213 | } | |
1214 | } else { | |
1215 | $filter_match = $match; | |
1216 | if (!$match) { | |
1217 | break; | |
1218 | } | |
1219 | } | |
1220 | } | |
1221 | ||
1222 | if ($inverse) $filter_match = !$filter_match; | |
1223 | ||
1224 | if ($filter_match) { | |
1225 | foreach ($filter["actions"] AS $action) { | |
1226 | array_push($matches, $action); | |
1227 | } | |
1228 | } | |
1229 | } | |
1230 | ||
1231 | return $matches; | |
1232 | } | |
1233 | ||
1234 | function find_article_filter($filters, $filter_name) { | |
1235 | foreach ($filters as $f) { | |
1236 | if ($f["type"] == $filter_name) { | |
1237 | return $f; | |
1238 | }; | |
1239 | } | |
1240 | return false; | |
1241 | } | |
1242 | ||
1243 | function find_article_filters($filters, $filter_name) { | |
1244 | $results = array(); | |
1245 | ||
1246 | foreach ($filters as $f) { | |
1247 | if ($f["type"] == $filter_name) { | |
1248 | array_push($results, $f); | |
1249 | }; | |
1250 | } | |
1251 | return $results; | |
1252 | } | |
1253 | ||
1254 | function calculate_article_score($filters) { | |
1255 | $score = 0; | |
1256 | ||
1257 | foreach ($filters as $f) { | |
1258 | if ($f["type"] == "score") { | |
1259 | $score += $f["param"]; | |
1260 | }; | |
1261 | } | |
1262 | return $score; | |
1263 | } | |
1264 | ||
1265 | function labels_contains_caption($labels, $caption) { | |
1266 | foreach ($labels as $label) { | |
1267 | if ($label[1] == $caption) { | |
1268 | return true; | |
1269 | } | |
1270 | } | |
1271 | ||
1272 | return false; | |
1273 | } | |
1274 | ||
1275 | function assign_article_to_label_filters($link, $id, $filters, $owner_uid, $article_labels) { | |
1276 | foreach ($filters as $f) { | |
1277 | if ($f["type"] == "label") { | |
1278 | if (!labels_contains_caption($article_labels, $f["param"])) { | |
1279 | label_add_article($link, $id, $f["param"], $owner_uid); | |
1280 | } | |
1281 | } | |
1282 | } | |
1283 | } | |
1284 | ||
1285 | function make_guid_from_title($title) { | |
1286 | return preg_replace("/[ \"\',.:;]/", "-", | |
1287 | mb_strtolower(strip_tags($title), 'utf-8')); | |
1288 | } | |
1289 | ||
1290 | ||
1291 | ?> |