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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 | $updstart_thresh_qpart | |
122 | ORDER BY feed_url,$random_qpart $query_limit"); | |
123 | ||
124 | $user_prefs_cache = array(); | |
125 | ||
126 | if($debug) _debug(sprintf("Scheduled %d feeds to update...", 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, $line["id"], true); | |
152 | sleep(1); // prevent flood (FIXME make this an option?) | |
153 | } | |
154 | ||
155 | require_once "digest.php"; | |
156 | ||
157 | // Send feed digests by email if needed. | |
158 | send_headlines_digests($link, $debug); | |
159 | ||
160 | } // function update_daemon_common | |
161 | ||
162 | // ignore_daemon is not used | |
163 | function update_rss_feed($link, $feed, $ignore_daemon = false, $no_cache = false, | |
164 | $override_url = false) { | |
165 | ||
166 | require_once "lib/simplepie/simplepie.inc"; | |
167 | ||
168 | $debug_enabled = defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']; | |
169 | ||
170 | if ($debug_enabled) { | |
171 | _debug("update_rss_feed: start"); | |
172 | } | |
173 | ||
174 | $result = db_query($link, "SELECT id,update_interval,auth_login, | |
175 | feed_url,auth_pass,cache_images,last_updated, | |
176 | mark_unread_on_update, owner_uid, | |
177 | pubsub_state | |
178 | FROM ttrss_feeds WHERE id = '$feed'"); | |
179 | ||
180 | if (db_num_rows($result) == 0) { | |
181 | if ($debug_enabled) { | |
182 | _debug("update_rss_feed: feed $feed NOT FOUND/SKIPPED"); | |
183 | } | |
184 | return false; | |
185 | } | |
186 | ||
187 | $last_updated = db_fetch_result($result, 0, "last_updated"); | |
188 | $owner_uid = db_fetch_result($result, 0, "owner_uid"); | |
189 | $mark_unread_on_update = sql_bool_to_bool(db_fetch_result($result, | |
190 | 0, "mark_unread_on_update")); | |
191 | $pubsub_state = db_fetch_result($result, 0, "pubsub_state"); | |
192 | ||
193 | db_query($link, "UPDATE ttrss_feeds SET last_update_started = NOW() | |
194 | WHERE id = '$feed'"); | |
195 | ||
196 | $auth_login = db_fetch_result($result, 0, "auth_login"); | |
197 | $auth_pass = db_fetch_result($result, 0, "auth_pass"); | |
198 | ||
199 | $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images")); | |
200 | $fetch_url = db_fetch_result($result, 0, "feed_url"); | |
201 | ||
202 | $feed = db_escape_string($link, $feed); | |
203 | ||
204 | if ($override_url) $fetch_url = $override_url; | |
205 | ||
206 | $date_feed_processed = date('Y-m-d H:i'); | |
207 | ||
208 | $cache_filename = CACHE_DIR . "/simplepie/" . sha1($fetch_url) . ".xml"; | |
209 | ||
210 | // Ignore cache if new feed or manual update. | |
211 | $cache_age = ($no_cache || is_null($last_updated) || $last_updated == '1970-01-01 00:00:00') ? | |
212 | 30 : get_feed_update_interval($link, $feed) * 60; | |
213 | ||
214 | if ($debug_enabled) { | |
215 | _debug("update_rss_feed: cache filename: $cache_filename exists: " . file_exists($cache_filename)); | |
216 | _debug("update_rss_feed: cache age: $cache_age; no cache: $no_cache"); | |
217 | } | |
218 | ||
219 | $cached_feed_data_hash = false; | |
220 | ||
221 | if (file_exists($cache_filename) && | |
222 | is_readable($cache_filename) && | |
223 | !$auth_login && !$auth_pass && | |
224 | filemtime($cache_filename) > time() - $cache_age) { | |
225 | ||
226 | if ($debug_enabled) { | |
227 | _debug("update_rss_feed: using local cache."); | |
228 | } | |
229 | ||
230 | $feed_data = file_get_contents($cache_filename); | |
231 | $cached_feed_data_hash = sha1($feed_data); | |
232 | } | |
233 | ||
234 | if (!$feed_data) { | |
235 | if ($debug_enabled) { | |
236 | _debug("update_rss_feed: fetching [$fetch_url]..."); | |
237 | } | |
238 | ||
239 | $feed_data = fetch_file_contents($fetch_url, false, | |
240 | $auth_login, $auth_pass, false, $no_cache ? 15 : 45); | |
241 | } | |
242 | ||
243 | if (!$feed_data) { | |
244 | global $fetch_last_error; | |
245 | ||
246 | if ($debug_enabled) { | |
247 | _debug("update_rss_feed: unable to fetch: $fetch_last_error"); | |
248 | } | |
249 | ||
250 | $error_escaped = db_escape_string($link, $fetch_last_error); | |
251 | ||
252 | db_query($link, | |
253 | "UPDATE ttrss_feeds SET last_error = '$error_escaped', | |
254 | last_updated = NOW() WHERE id = '$feed'"); | |
255 | ||
256 | return; | |
257 | } | |
258 | ||
259 | // cache data for later | |
260 | if (!$auth_pass && !$auth_login && is_writable(CACHE_DIR . "/simplepie")) { | |
261 | if (sha1($feed_data) != $cached_feed_data_hash) { | |
262 | ||
263 | if ($debug_enabled) { | |
264 | _debug("update_rss_feed: saving $cache_filename"); | |
265 | } | |
266 | ||
267 | @file_put_contents($cache_filename, $feed_data); | |
268 | } | |
269 | } | |
270 | ||
271 | $pluginhost = new PluginHost($link); | |
272 | $pluginhost->set_debug($debug_enabled); | |
273 | $user_plugins = get_pref($link, "_ENABLED_PLUGINS", $owner_uid); | |
274 | ||
275 | $pluginhost->load(PLUGINS, $pluginhost::KIND_ALL); | |
276 | $pluginhost->load($user_plugins, $pluginhost::KIND_USER, $owner_uid); | |
277 | $pluginhost->load_data(); | |
278 | ||
279 | foreach ($pluginhost->get_hooks($pluginhost::HOOK_FEED_FETCHED) as $plugin) { | |
280 | $feed_data = $plugin->hook_feed_fetched($feed_data); | |
281 | } | |
282 | ||
283 | if ($debug_enabled) { | |
284 | _debug("update_rss_feed: fetch done, parsing..."); | |
285 | } | |
286 | ||
287 | $rss = new SimplePie(); | |
288 | $rss->set_sanitize_class("SanitizeDummy"); | |
289 | // simplepie ignores the above and creates default sanitizer anyway, | |
290 | // so let's override it... | |
291 | $rss->sanitize = new SanitizeDummy(); | |
292 | $rss->set_output_encoding('UTF-8'); | |
293 | $rss->set_raw_data($feed_data); | |
294 | $rss->enable_cache(false); | |
295 | ||
296 | @$rss->init(); | |
297 | ||
298 | // print_r($rss); | |
299 | ||
300 | $feed = db_escape_string($link, $feed); | |
301 | ||
302 | if (!$rss->error()) { | |
303 | ||
304 | // We use local pluginhost here because we need to load different per-user feed plugins | |
305 | $pluginhost->run_hooks($pluginhost::HOOK_FEED_PARSED, "hook_feed_parsed", $rss); | |
306 | ||
307 | if ($debug_enabled) { | |
308 | _debug("update_rss_feed: processing feed data..."); | |
309 | } | |
310 | ||
311 | // db_query($link, "BEGIN"); | |
312 | ||
313 | if (DB_TYPE == "pgsql") { | |
314 | $favicon_interval_qpart = "favicon_last_checked < NOW() - INTERVAL '12 hour'"; | |
315 | } else { | |
316 | $favicon_interval_qpart = "favicon_last_checked < DATE_SUB(NOW(), INTERVAL 12 HOUR)"; | |
317 | } | |
318 | ||
319 | $result = db_query($link, "SELECT title,site_url,owner_uid, | |
320 | (favicon_last_checked IS NULL OR $favicon_interval_qpart) AS | |
321 | favicon_needs_check | |
322 | FROM ttrss_feeds WHERE id = '$feed'"); | |
323 | ||
324 | $registered_title = db_fetch_result($result, 0, "title"); | |
325 | $orig_site_url = db_fetch_result($result, 0, "site_url"); | |
326 | $favicon_needs_check = sql_bool_to_bool(db_fetch_result($result, 0, | |
327 | "favicon_needs_check")); | |
328 | ||
329 | $owner_uid = db_fetch_result($result, 0, "owner_uid"); | |
330 | ||
331 | $site_url = db_escape_string($link, mb_substr(rewrite_relative_url($fetch_url, $rss->get_link()), 0, 245)); | |
332 | ||
333 | if ($debug_enabled) { | |
334 | _debug("update_rss_feed: checking favicon..."); | |
335 | } | |
336 | ||
337 | if ($favicon_needs_check) { | |
338 | check_feed_favicon($site_url, $feed, $link); | |
339 | ||
340 | db_query($link, "UPDATE ttrss_feeds SET favicon_last_checked = NOW() | |
341 | WHERE id = '$feed'"); | |
342 | } | |
343 | ||
344 | if (!$registered_title || $registered_title == "[Unknown]") { | |
345 | ||
346 | $feed_title = db_escape_string($link, $rss->get_title()); | |
347 | ||
348 | if ($debug_enabled) { | |
349 | _debug("update_rss_feed: registering title: $feed_title"); | |
350 | } | |
351 | ||
352 | db_query($link, "UPDATE ttrss_feeds SET | |
353 | title = '$feed_title' WHERE id = '$feed'"); | |
354 | } | |
355 | ||
356 | if ($site_url && $orig_site_url != $site_url) { | |
357 | db_query($link, "UPDATE ttrss_feeds SET | |
358 | site_url = '$site_url' WHERE id = '$feed'"); | |
359 | } | |
360 | ||
361 | if ($debug_enabled) { | |
362 | _debug("update_rss_feed: loading filters & labels..."); | |
363 | } | |
364 | ||
365 | $filters = load_filters($link, $feed, $owner_uid); | |
366 | $labels = get_all_labels($link, $owner_uid); | |
367 | ||
368 | if ($debug_enabled) { | |
369 | //print_r($filters); | |
370 | _debug("update_rss_feed: " . count($filters) . " filters loaded."); | |
371 | } | |
372 | ||
373 | $items = $rss->get_items(); | |
374 | ||
375 | if (!is_array($items)) { | |
376 | if ($debug_enabled) { | |
377 | _debug("update_rss_feed: no articles found."); | |
378 | } | |
379 | ||
380 | db_query($link, "UPDATE ttrss_feeds | |
381 | SET last_updated = NOW(), last_error = '' WHERE id = '$feed'"); | |
382 | ||
383 | return; // no articles | |
384 | } | |
385 | ||
386 | if ($pubsub_state != 2 && PUBSUBHUBBUB_ENABLED) { | |
387 | ||
388 | if ($debug_enabled) _debug("update_rss_feed: checking for PUSH hub..."); | |
389 | ||
390 | $feed_hub_url = false; | |
391 | ||
392 | $links = $rss->get_links('hub'); | |
393 | ||
394 | if ($links && is_array($links)) { | |
395 | foreach ($links as $l) { | |
396 | $feed_hub_url = $l; | |
397 | break; | |
398 | } | |
399 | } | |
400 | ||
401 | if ($debug_enabled) _debug("update_rss_feed: feed hub url: $feed_hub_url"); | |
402 | ||
403 | if ($feed_hub_url && function_exists('curl_init') && | |
404 | !ini_get("open_basedir")) { | |
405 | ||
406 | require_once 'lib/pubsubhubbub/subscriber.php'; | |
407 | ||
408 | $callback_url = get_self_url_prefix() . | |
409 | "/public.php?op=pubsub&id=$feed"; | |
410 | ||
411 | $s = new Subscriber($feed_hub_url, $callback_url); | |
412 | ||
413 | $rc = $s->subscribe($fetch_url); | |
414 | ||
415 | if ($debug_enabled) | |
416 | _debug("update_rss_feed: feed hub url found, subscribe request sent."); | |
417 | ||
418 | db_query($link, "UPDATE ttrss_feeds SET pubsub_state = 1 | |
419 | WHERE id = '$feed'"); | |
420 | } | |
421 | } | |
422 | ||
423 | if ($debug_enabled) { | |
424 | _debug("update_rss_feed: processing articles..."); | |
425 | } | |
426 | ||
427 | foreach ($items as $item) { | |
428 | if ($_REQUEST['xdebug'] == 3) { | |
429 | print_r($item); | |
430 | } | |
431 | ||
432 | $entry_guid = $item->get_id(); | |
433 | if (!$entry_guid) $entry_guid = $item->get_link(); | |
434 | if (!$entry_guid) $entry_guid = make_guid_from_title($item->get_title()); | |
435 | ||
436 | if ($debug_enabled) { | |
437 | _debug("update_rss_feed: guid $entry_guid"); | |
438 | } | |
439 | ||
440 | if (!$entry_guid) continue; | |
441 | ||
442 | $entry_guid = "$owner_uid,$entry_guid"; | |
443 | ||
444 | $entry_timestamp = ""; | |
445 | ||
446 | $entry_timestamp = strtotime($item->get_date()); | |
447 | ||
448 | if ($entry_timestamp == -1 || !$entry_timestamp || $entry_timestamp > time()) { | |
449 | $entry_timestamp = time(); | |
450 | $no_orig_date = 'true'; | |
451 | } else { | |
452 | $no_orig_date = 'false'; | |
453 | } | |
454 | ||
455 | $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp); | |
456 | ||
457 | if ($debug_enabled) { | |
458 | _debug("update_rss_feed: date $entry_timestamp [$entry_timestamp_fmt]"); | |
459 | } | |
460 | ||
461 | $entry_title = $item->get_title(); | |
462 | ||
463 | $entry_link = rewrite_relative_url($site_url, $item->get_link()); | |
464 | ||
465 | if ($debug_enabled) { | |
466 | _debug("update_rss_feed: title $entry_title"); | |
467 | _debug("update_rss_feed: link $entry_link"); | |
468 | } | |
469 | ||
470 | if (!$entry_title) $entry_title = date("Y-m-d H:i:s", $entry_timestamp);; | |
471 | ||
472 | $entry_content = $item->get_content(); | |
473 | if (!$entry_content) $entry_content = $item->get_description(); | |
474 | ||
475 | if ($_REQUEST["xdebug"] == 2) { | |
476 | print "update_rss_feed: content: "; | |
477 | print $entry_content; | |
478 | print "\n"; | |
479 | } | |
480 | ||
481 | $entry_comments = $item->data["comments"]; | |
482 | ||
483 | if ($item->get_author()) { | |
484 | $entry_author_item = $item->get_author(); | |
485 | $entry_author = $entry_author_item->get_name(); | |
486 | if (!$entry_author) $entry_author = $entry_author_item->get_email(); | |
487 | ||
488 | $entry_author = db_escape_string($link, $entry_author); | |
489 | } | |
490 | ||
491 | $entry_guid = db_escape_string($link, mb_substr($entry_guid, 0, 245)); | |
492 | ||
493 | $entry_comments = db_escape_string($link, mb_substr($entry_comments, 0, 245)); | |
494 | $entry_author = db_escape_string($link, mb_substr($entry_author, 0, 245)); | |
495 | ||
496 | $num_comments = $item->get_item_tags('http://purl.org/rss/1.0/modules/slash/', 'comments'); | |
497 | ||
498 | if (is_array($num_comments) && is_array($num_comments[0])) { | |
499 | $num_comments = (int) $num_comments[0]["data"]; | |
500 | } else { | |
501 | $num_comments = 0; | |
502 | } | |
503 | ||
504 | if ($debug_enabled) { | |
505 | _debug("update_rss_feed: num_comments: $num_comments"); | |
506 | _debug("update_rss_feed: looking for tags [1]..."); | |
507 | } | |
508 | ||
509 | // parse <category> entries into tags | |
510 | ||
511 | $additional_tags = array(); | |
512 | ||
513 | $additional_tags_src = $item->get_categories(); | |
514 | ||
515 | if (is_array($additional_tags_src)) { | |
516 | foreach ($additional_tags_src as $tobj) { | |
517 | array_push($additional_tags, $tobj->get_term()); | |
518 | } | |
519 | } | |
520 | ||
521 | if ($debug_enabled) { | |
522 | _debug("update_rss_feed: category tags:"); | |
523 | print_r($additional_tags); | |
524 | } | |
525 | ||
526 | if ($debug_enabled) { | |
527 | _debug("update_rss_feed: looking for tags [2]..."); | |
528 | } | |
529 | ||
530 | $entry_tags = array_unique($additional_tags); | |
531 | ||
532 | for ($i = 0; $i < count($entry_tags); $i++) | |
533 | $entry_tags[$i] = mb_strtolower($entry_tags[$i], 'utf-8'); | |
534 | ||
535 | if ($debug_enabled) { | |
536 | //_debug("update_rss_feed: unfiltered tags found:"); | |
537 | //print_r($entry_tags); | |
538 | } | |
539 | ||
540 | if ($debug_enabled) { | |
541 | _debug("update_rss_feed: done collecting data."); | |
542 | } | |
543 | ||
544 | // TODO: less memory-hungry implementation | |
545 | ||
546 | if ($debug_enabled) { | |
547 | _debug("update_rss_feed: applying plugin filters.."); | |
548 | } | |
549 | ||
550 | // FIXME not sure if owner_uid is a good idea here, we may have a base entry without user entry (?) | |
551 | $result = db_query($link, "SELECT plugin_data,title,content,link,tag_cache,author FROM ttrss_entries, ttrss_user_entries | |
552 | WHERE ref_id = id AND guid = '".db_escape_string($link, $entry_guid)."' AND owner_uid = $owner_uid"); | |
553 | ||
554 | if (db_num_rows($result) != 0) { | |
555 | $entry_plugin_data = db_fetch_result($result, 0, "plugin_data"); | |
556 | $stored_article = array("title" => db_fetch_result($result, 0, "title"), | |
557 | "content" => db_fetch_result($result, 0, "content"), | |
558 | "link" => db_fetch_result($result, 0, "link"), | |
559 | "tags" => explode(",", db_fetch_result($result, 0, "tag_cache")), | |
560 | "author" => db_fetch_result($result, 0, "author")); | |
561 | } else { | |
562 | $entry_plugin_data = ""; | |
563 | $stored_article = array(); | |
564 | } | |
565 | ||
566 | $article = array("owner_uid" => $owner_uid, // read only | |
567 | "guid" => $entry_guid, // read only | |
568 | "title" => $entry_title, | |
569 | "content" => $entry_content, | |
570 | "link" => $entry_link, | |
571 | "tags" => $entry_tags, | |
572 | "plugin_data" => $entry_plugin_data, | |
573 | "author" => $entry_author, | |
574 | "stored" => $stored_article); | |
575 | ||
576 | foreach ($pluginhost->get_hooks($pluginhost::HOOK_ARTICLE_FILTER) as $plugin) { | |
577 | $article = $plugin->hook_article_filter($article); | |
578 | } | |
579 | ||
580 | $entry_tags = $article["tags"]; | |
581 | $entry_guid = db_escape_string($link, $entry_guid); | |
582 | $entry_title = db_escape_string($link, $article["title"]); | |
583 | $entry_author = db_escape_string($link, $article["author"]); | |
584 | $entry_link = db_escape_string($link, $article["link"]); | |
585 | $entry_plugin_data = db_escape_string($link, $article["plugin_data"]); | |
586 | $entry_content = $article["content"]; // escaped below | |
587 | ||
588 | ||
589 | if ($debug_enabled) { | |
590 | _debug("update_rss_feed: plugin data: $entry_plugin_data"); | |
591 | } | |
592 | ||
593 | if ($cache_images && is_writable(CACHE_DIR . '/images')) | |
594 | cache_images($entry_content, $site_url, $debug_enabled); | |
595 | ||
596 | $entry_content = db_escape_string($link, $entry_content, false); | |
597 | ||
598 | $content_hash = "SHA1:" . sha1($entry_content); | |
599 | ||
600 | db_query($link, "BEGIN"); | |
601 | ||
602 | $result = db_query($link, "SELECT id FROM ttrss_entries | |
603 | WHERE guid = '$entry_guid'"); | |
604 | ||
605 | if (db_num_rows($result) == 0) { | |
606 | ||
607 | if ($debug_enabled) { | |
608 | _debug("update_rss_feed: base guid [$entry_guid] not found"); | |
609 | } | |
610 | ||
611 | // base post entry does not exist, create it | |
612 | ||
613 | $result = db_query($link, | |
614 | "INSERT INTO ttrss_entries | |
615 | (title, | |
616 | guid, | |
617 | link, | |
618 | updated, | |
619 | content, | |
620 | content_hash, | |
621 | cached_content, | |
622 | no_orig_date, | |
623 | date_updated, | |
624 | date_entered, | |
625 | comments, | |
626 | num_comments, | |
627 | plugin_data, | |
628 | author) | |
629 | VALUES | |
630 | ('$entry_title', | |
631 | '$entry_guid', | |
632 | '$entry_link', | |
633 | '$entry_timestamp_fmt', | |
634 | '$entry_content', | |
635 | '$content_hash', | |
636 | '', | |
637 | $no_orig_date, | |
638 | NOW(), | |
639 | '$date_feed_processed', | |
640 | '$entry_comments', | |
641 | '$num_comments', | |
642 | '$entry_plugin_data', | |
643 | '$entry_author')"); | |
644 | ||
645 | $article_labels = array(); | |
646 | ||
647 | } else { | |
648 | // we keep encountering the entry in feeds, so we need to | |
649 | // update date_updated column so that we don't get horrible | |
650 | // dupes when the entry gets purged and reinserted again e.g. | |
651 | // in the case of SLOW SLOW OMG SLOW updating feeds | |
652 | ||
653 | $base_entry_id = db_fetch_result($result, 0, "id"); | |
654 | ||
655 | db_query($link, "UPDATE ttrss_entries SET date_updated = NOW() | |
656 | WHERE id = '$base_entry_id'"); | |
657 | ||
658 | $article_labels = get_article_labels($link, $base_entry_id, $owner_uid); | |
659 | } | |
660 | ||
661 | // now it should exist, if not - bad luck then | |
662 | ||
663 | $result = db_query($link, "SELECT | |
664 | id,content_hash,no_orig_date,title,plugin_data, | |
665 | ".SUBSTRING_FOR_DATE."(date_updated,1,19) as date_updated, | |
666 | ".SUBSTRING_FOR_DATE."(updated,1,19) as updated, | |
667 | num_comments | |
668 | FROM | |
669 | ttrss_entries | |
670 | WHERE guid = '$entry_guid'"); | |
671 | ||
672 | $entry_ref_id = 0; | |
673 | $entry_int_id = 0; | |
674 | ||
675 | if (db_num_rows($result) == 1) { | |
676 | ||
677 | if ($debug_enabled) { | |
678 | _debug("update_rss_feed: base guid [$entry_guid] found, checking for user record"); | |
679 | } | |
680 | ||
681 | // this will be used below in update handler | |
682 | $orig_content_hash = db_fetch_result($result, 0, "content_hash"); | |
683 | $orig_title = db_fetch_result($result, 0, "title"); | |
684 | $orig_num_comments = db_fetch_result($result, 0, "num_comments"); | |
685 | $orig_date_updated = strtotime(db_fetch_result($result, | |
686 | 0, "date_updated")); | |
687 | $orig_plugin_data = db_fetch_result($result, 0, "plugin_data"); | |
688 | ||
689 | $ref_id = db_fetch_result($result, 0, "id"); | |
690 | $entry_ref_id = $ref_id; | |
691 | ||
692 | // check for user post link to main table | |
693 | ||
694 | // do we allow duplicate posts with same GUID in different feeds? | |
695 | if (get_pref($link, "ALLOW_DUPLICATE_POSTS", $owner_uid, false)) { | |
696 | $dupcheck_qpart = "AND (feed_id = '$feed' OR feed_id IS NULL)"; | |
697 | } else { | |
698 | $dupcheck_qpart = ""; | |
699 | } | |
700 | ||
701 | /* Collect article tags here so we could filter by them: */ | |
702 | ||
703 | $article_filters = get_article_filters($filters, $entry_title, | |
704 | $entry_content, $entry_link, $entry_timestamp, $entry_author, | |
705 | $entry_tags); | |
706 | ||
707 | if ($debug_enabled) { | |
708 | _debug("update_rss_feed: article filters: "); | |
709 | if (count($article_filters) != 0) { | |
710 | print_r($article_filters); | |
711 | } | |
712 | } | |
713 | ||
714 | if (find_article_filter($article_filters, "filter")) { | |
715 | db_query($link, "COMMIT"); // close transaction in progress | |
716 | continue; | |
717 | } | |
718 | ||
719 | $score = calculate_article_score($article_filters); | |
720 | ||
721 | if ($debug_enabled) { | |
722 | _debug("update_rss_feed: initial score: $score"); | |
723 | } | |
724 | ||
725 | $query = "SELECT ref_id, int_id FROM ttrss_user_entries WHERE | |
726 | ref_id = '$ref_id' AND owner_uid = '$owner_uid' | |
727 | $dupcheck_qpart"; | |
728 | ||
729 | // if ($_REQUEST["xdebug"]) print "$query\n"; | |
730 | ||
731 | $result = db_query($link, $query); | |
732 | ||
733 | // okay it doesn't exist - create user entry | |
734 | if (db_num_rows($result) == 0) { | |
735 | ||
736 | if ($debug_enabled) { | |
737 | _debug("update_rss_feed: user record not found, creating..."); | |
738 | } | |
739 | ||
740 | if ($score >= -500 && !find_article_filter($article_filters, 'catchup')) { | |
741 | $unread = 'true'; | |
742 | $last_read_qpart = 'NULL'; | |
743 | } else { | |
744 | $unread = 'false'; | |
745 | $last_read_qpart = 'NOW()'; | |
746 | } | |
747 | ||
748 | if (find_article_filter($article_filters, 'mark') || $score > 1000) { | |
749 | $marked = 'true'; | |
750 | } else { | |
751 | $marked = 'false'; | |
752 | } | |
753 | ||
754 | if (find_article_filter($article_filters, 'publish')) { | |
755 | $published = 'true'; | |
756 | } else { | |
757 | $published = 'false'; | |
758 | } | |
759 | ||
760 | // N-grams | |
761 | ||
762 | if (DB_TYPE == "pgsql" and defined('_NGRAM_TITLE_DUPLICATE_THRESHOLD')) { | |
763 | ||
764 | $result = db_query($link, "SELECT COUNT(*) AS similar FROM | |
765 | ttrss_entries,ttrss_user_entries | |
766 | WHERE ref_id = id AND updated >= NOW() - INTERVAL '7 day' | |
767 | AND similarity(title, '$entry_title') >= "._NGRAM_TITLE_DUPLICATE_THRESHOLD." | |
768 | AND owner_uid = $owner_uid"); | |
769 | ||
770 | $ngram_similar = db_fetch_result($result, 0, "similar"); | |
771 | ||
772 | if ($debug_enabled) { | |
773 | _debug("update_rss_feed: N-gram similar results: $ngram_similar"); | |
774 | } | |
775 | ||
776 | if ($ngram_similar > 0) { | |
777 | $unread = 'false'; | |
778 | } | |
779 | } | |
780 | ||
781 | $last_marked = ($marked == 'true') ? 'NOW()' : 'NULL'; | |
782 | $last_published = ($published == 'true') ? 'NOW()' : 'NULL'; | |
783 | ||
784 | $result = db_query($link, | |
785 | "INSERT INTO ttrss_user_entries | |
786 | (ref_id, owner_uid, feed_id, unread, last_read, marked, | |
787 | published, score, tag_cache, label_cache, uuid, | |
788 | last_marked, last_published) | |
789 | VALUES ('$ref_id', '$owner_uid', '$feed', $unread, | |
790 | $last_read_qpart, $marked, $published, '$score', '', '', | |
791 | '', $last_marked, $last_published)"); | |
792 | ||
793 | if (PUBSUBHUBBUB_HUB && $published == 'true') { | |
794 | $rss_link = get_self_url_prefix() . | |
795 | "/public.php?op=rss&id=-2&key=" . | |
796 | get_feed_access_key($link, -2, false, $owner_uid); | |
797 | ||
798 | $p = new Publisher(PUBSUBHUBBUB_HUB); | |
799 | ||
800 | $pubsub_result = $p->publish_update($rss_link); | |
801 | } | |
802 | ||
803 | $result = db_query($link, | |
804 | "SELECT int_id FROM ttrss_user_entries WHERE | |
805 | ref_id = '$ref_id' AND owner_uid = '$owner_uid' AND | |
806 | feed_id = '$feed' LIMIT 1"); | |
807 | ||
808 | if (db_num_rows($result) == 1) { | |
809 | $entry_int_id = db_fetch_result($result, 0, "int_id"); | |
810 | } | |
811 | } else { | |
812 | if ($debug_enabled) { | |
813 | _debug("update_rss_feed: user record FOUND"); | |
814 | } | |
815 | ||
816 | $entry_ref_id = db_fetch_result($result, 0, "ref_id"); | |
817 | $entry_int_id = db_fetch_result($result, 0, "int_id"); | |
818 | } | |
819 | ||
820 | if ($debug_enabled) { | |
821 | _debug("update_rss_feed: RID: $entry_ref_id, IID: $entry_int_id"); | |
822 | } | |
823 | ||
824 | $post_needs_update = false; | |
825 | $update_insignificant = false; | |
826 | ||
827 | if ($orig_num_comments != $num_comments) { | |
828 | $post_needs_update = true; | |
829 | $update_insignificant = true; | |
830 | } | |
831 | ||
832 | if ($entry_plugin_data != $orig_plugin_data) { | |
833 | $post_needs_update = true; | |
834 | $update_insignificant = true; | |
835 | } | |
836 | ||
837 | if ($content_hash != $orig_content_hash) { | |
838 | $post_needs_update = true; | |
839 | $update_insignificant = false; | |
840 | } | |
841 | ||
842 | if (db_escape_string($link, $orig_title) != $entry_title) { | |
843 | $post_needs_update = true; | |
844 | $update_insignificant = false; | |
845 | } | |
846 | ||
847 | // if post needs update, update it and mark all user entries | |
848 | // linking to this post as updated | |
849 | if ($post_needs_update) { | |
850 | ||
851 | if (defined('DAEMON_EXTENDED_DEBUG')) { | |
852 | _debug("update_rss_feed: post $entry_guid needs update..."); | |
853 | } | |
854 | ||
855 | // print "<!-- post $orig_title needs update : $post_needs_update -->"; | |
856 | ||
857 | db_query($link, "UPDATE ttrss_entries | |
858 | SET title = '$entry_title', content = '$entry_content', | |
859 | content_hash = '$content_hash', | |
860 | updated = '$entry_timestamp_fmt', | |
861 | num_comments = '$num_comments', | |
862 | plugin_data = '$entry_plugin_data' | |
863 | WHERE id = '$ref_id'"); | |
864 | ||
865 | if (!$update_insignificant) { | |
866 | if ($mark_unread_on_update) { | |
867 | db_query($link, "UPDATE ttrss_user_entries | |
868 | SET last_read = null, unread = true WHERE ref_id = '$ref_id'"); | |
869 | } | |
870 | } | |
871 | } | |
872 | } | |
873 | ||
874 | db_query($link, "COMMIT"); | |
875 | ||
876 | if ($debug_enabled) { | |
877 | _debug("update_rss_feed: assigning labels..."); | |
878 | } | |
879 | ||
880 | assign_article_to_label_filters($link, $entry_ref_id, $article_filters, | |
881 | $owner_uid, $article_labels); | |
882 | ||
883 | if ($debug_enabled) { | |
884 | _debug("update_rss_feed: looking for enclosures..."); | |
885 | } | |
886 | ||
887 | // enclosures | |
888 | ||
889 | $enclosures = array(); | |
890 | ||
891 | $encs = $item->get_enclosures(); | |
892 | ||
893 | if (is_array($encs)) { | |
894 | foreach ($encs as $e) { | |
895 | $e_item = array( | |
896 | $e->link, $e->type, $e->length); | |
897 | array_push($enclosures, $e_item); | |
898 | } | |
899 | } | |
900 | ||
901 | if ($debug_enabled) { | |
902 | _debug("update_rss_feed: article enclosures:"); | |
903 | print_r($enclosures); | |
904 | } | |
905 | ||
906 | db_query($link, "BEGIN"); | |
907 | ||
908 | foreach ($enclosures as $enc) { | |
909 | $enc_url = db_escape_string($link, $enc[0]); | |
910 | $enc_type = db_escape_string($link, $enc[1]); | |
911 | $enc_dur = db_escape_string($link, $enc[2]); | |
912 | ||
913 | $result = db_query($link, "SELECT id FROM ttrss_enclosures | |
914 | WHERE content_url = '$enc_url' AND post_id = '$entry_ref_id'"); | |
915 | ||
916 | if (db_num_rows($result) == 0) { | |
917 | db_query($link, "INSERT INTO ttrss_enclosures | |
918 | (content_url, content_type, title, duration, post_id) VALUES | |
919 | ('$enc_url', '$enc_type', '', '$enc_dur', '$entry_ref_id')"); | |
920 | } | |
921 | } | |
922 | ||
923 | db_query($link, "COMMIT"); | |
924 | ||
925 | // check for manual tags (we have to do it here since they're loaded from filters) | |
926 | ||
927 | foreach ($article_filters as $f) { | |
928 | if ($f["type"] == "tag") { | |
929 | ||
930 | $manual_tags = trim_array(explode(",", $f["param"])); | |
931 | ||
932 | foreach ($manual_tags as $tag) { | |
933 | if (tag_is_valid($tag)) { | |
934 | array_push($entry_tags, $tag); | |
935 | } | |
936 | } | |
937 | } | |
938 | } | |
939 | ||
940 | // Skip boring tags | |
941 | ||
942 | $boring_tags = trim_array(explode(",", mb_strtolower(get_pref($link, | |
943 | 'BLACKLISTED_TAGS', $owner_uid, ''), 'utf-8'))); | |
944 | ||
945 | $filtered_tags = array(); | |
946 | $tags_to_cache = array(); | |
947 | ||
948 | if ($entry_tags && is_array($entry_tags)) { | |
949 | foreach ($entry_tags as $tag) { | |
950 | if (array_search($tag, $boring_tags) === false) { | |
951 | array_push($filtered_tags, $tag); | |
952 | } | |
953 | } | |
954 | } | |
955 | ||
956 | $filtered_tags = array_unique($filtered_tags); | |
957 | ||
958 | if ($debug_enabled) { | |
959 | _debug("update_rss_feed: filtered article tags:"); | |
960 | print_r($filtered_tags); | |
961 | } | |
962 | ||
963 | // Save article tags in the database | |
964 | ||
965 | if (count($filtered_tags) > 0) { | |
966 | ||
967 | db_query($link, "BEGIN"); | |
968 | ||
969 | foreach ($filtered_tags as $tag) { | |
970 | ||
971 | $tag = sanitize_tag($tag); | |
972 | $tag = db_escape_string($link, $tag); | |
973 | ||
974 | if (!tag_is_valid($tag)) continue; | |
975 | ||
976 | $result = db_query($link, "SELECT id FROM ttrss_tags | |
977 | WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND | |
978 | owner_uid = '$owner_uid' LIMIT 1"); | |
979 | ||
980 | if ($result && db_num_rows($result) == 0) { | |
981 | ||
982 | db_query($link, "INSERT INTO ttrss_tags | |
983 | (owner_uid,tag_name,post_int_id) | |
984 | VALUES ('$owner_uid','$tag', '$entry_int_id')"); | |
985 | } | |
986 | ||
987 | array_push($tags_to_cache, $tag); | |
988 | } | |
989 | ||
990 | /* update the cache */ | |
991 | ||
992 | $tags_to_cache = array_unique($tags_to_cache); | |
993 | ||
994 | $tags_str = db_escape_string($link, join(",", $tags_to_cache)); | |
995 | ||
996 | db_query($link, "UPDATE ttrss_user_entries | |
997 | SET tag_cache = '$tags_str' WHERE ref_id = '$entry_ref_id' | |
998 | AND owner_uid = $owner_uid"); | |
999 | ||
1000 | db_query($link, "COMMIT"); | |
1001 | } | |
1002 | ||
1003 | if (get_pref($link, "AUTO_ASSIGN_LABELS", $owner_uid, false)) { | |
1004 | if ($debug_enabled) { | |
1005 | _debug("update_rss_feed: auto-assigning labels..."); | |
1006 | } | |
1007 | ||
1008 | foreach ($labels as $label) { | |
1009 | $caption = preg_quote($label["caption"]); | |
1010 | ||
1011 | if ($caption && preg_match("/\b$caption\b/i", "$tags_str " . strip_tags($entry_content) . " $entry_title")) { | |
1012 | if (!labels_contains_caption($article_labels, $caption)) { | |
1013 | label_add_article($link, $entry_ref_id, $caption, $owner_uid); | |
1014 | } | |
1015 | } | |
1016 | } | |
1017 | } | |
1018 | ||
1019 | if ($debug_enabled) { | |
1020 | _debug("update_rss_feed: article processed"); | |
1021 | } | |
1022 | } | |
1023 | ||
1024 | if (!$last_updated) { | |
1025 | if ($debug_enabled) { | |
1026 | _debug("update_rss_feed: new feed, catching it up..."); | |
1027 | } | |
1028 | catchup_feed($link, $feed, false, $owner_uid); | |
1029 | } | |
1030 | ||
1031 | if ($debug_enabled) { | |
1032 | _debug("purging feed..."); | |
1033 | } | |
1034 | ||
1035 | purge_feed($link, $feed, 0, $debug_enabled); | |
1036 | ||
1037 | db_query($link, "UPDATE ttrss_feeds | |
1038 | SET last_updated = NOW(), last_error = '' WHERE id = '$feed'"); | |
1039 | ||
1040 | // db_query($link, "COMMIT"); | |
1041 | ||
1042 | } else { | |
1043 | ||
1044 | $error_msg = db_escape_string($link, mb_substr($rss->error(), 0, 245)); | |
1045 | ||
1046 | if ($debug_enabled) { | |
1047 | _debug("update_rss_feed: error fetching feed: $error_msg"); | |
1048 | } | |
1049 | ||
1050 | db_query($link, | |
1051 | "UPDATE ttrss_feeds SET last_error = '$error_msg', | |
1052 | last_updated = NOW() WHERE id = '$feed'"); | |
1053 | } | |
1054 | ||
1055 | unset($rss); | |
1056 | ||
1057 | if ($debug_enabled) { | |
1058 | _debug("update_rss_feed: done"); | |
1059 | } | |
1060 | ||
1061 | } | |
1062 | ||
1063 | function cache_images($html, $site_url, $debug) { | |
1064 | $cache_dir = CACHE_DIR . "/images"; | |
1065 | ||
1066 | libxml_use_internal_errors(true); | |
1067 | ||
1068 | $charset_hack = '<head> | |
1069 | <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> | |
1070 | </head>'; | |
1071 | ||
1072 | $doc = new DOMDocument(); | |
1073 | $doc->loadHTML($charset_hack . $html); | |
1074 | $xpath = new DOMXPath($doc); | |
1075 | ||
1076 | $entries = $xpath->query('(//img[@src])'); | |
1077 | ||
1078 | foreach ($entries as $entry) { | |
1079 | if ($entry->hasAttribute('src')) { | |
1080 | $src = rewrite_relative_url($site_url, $entry->getAttribute('src')); | |
1081 | ||
1082 | $local_filename = CACHE_DIR . "/images/" . sha1($src) . ".png"; | |
1083 | ||
1084 | if ($debug) _debug("cache_images: downloading: $src to $local_filename"); | |
1085 | ||
1086 | if (!file_exists($local_filename)) { | |
1087 | $file_content = fetch_file_contents($src); | |
1088 | ||
1089 | if ($file_content && strlen($file_content) > 1024) { | |
1090 | file_put_contents($local_filename, $file_content); | |
1091 | } | |
1092 | } | |
1093 | ||
1094 | if (file_exists($local_filename)) { | |
1095 | $entry->setAttribute('src', SELF_URL_PATH . '/image.php?url=' . | |
1096 | base64_encode($src)); | |
1097 | } | |
1098 | } | |
1099 | } | |
1100 | ||
1101 | $node = $doc->getElementsByTagName('body')->item(0); | |
1102 | ||
1103 | return $doc->saveXML($node); | |
1104 | } | |
1105 | ||
1106 | function expire_lock_files($debug) { | |
1107 | if ($debug) _debug("Removing old lock files..."); | |
1108 | ||
1109 | $num_deleted = 0; | |
1110 | ||
1111 | if (is_writable(LOCK_DIRECTORY)) { | |
1112 | $files = glob(LOCK_DIRECTORY . "/*.lock"); | |
1113 | ||
1114 | if ($files) { | |
1115 | foreach ($files as $file) { | |
1116 | if (!file_is_locked($file) && time() - filemtime($file) > 86400*2) { | |
1117 | unlink($file); | |
1118 | ++$num_deleted; | |
1119 | } | |
1120 | } | |
1121 | } | |
1122 | } | |
1123 | ||
1124 | if ($debug) _debug("Removed $num_deleted files."); | |
1125 | } | |
1126 | ||
1127 | function expire_cached_files($debug) { | |
1128 | foreach (array("simplepie", "images", "export") as $dir) { | |
1129 | $cache_dir = CACHE_DIR . "/$dir"; | |
1130 | ||
1131 | if ($debug) _debug("Expiring $cache_dir"); | |
1132 | ||
1133 | $num_deleted = 0; | |
1134 | ||
1135 | if (is_writable($cache_dir)) { | |
1136 | $files = glob("$cache_dir/*"); | |
1137 | ||
1138 | if ($files) { | |
1139 | foreach ($files as $file) { | |
1140 | if (time() - filemtime($file) > 86400*7) { | |
1141 | unlink($file); | |
1142 | ||
1143 | ++$num_deleted; | |
1144 | } | |
1145 | } | |
1146 | } | |
1147 | } | |
1148 | ||
1149 | if ($debug) _debug("Removed $num_deleted files."); | |
1150 | } | |
1151 | } | |
1152 | ||
1153 | /** | |
1154 | * Source: http://www.php.net/manual/en/function.parse-url.php#104527 | |
1155 | * Returns the url query as associative array | |
1156 | * | |
1157 | * @param string query | |
1158 | * @return array params | |
1159 | */ | |
1160 | function convertUrlQuery($query) { | |
1161 | $queryParts = explode('&', $query); | |
1162 | ||
1163 | $params = array(); | |
1164 | ||
1165 | foreach ($queryParts as $param) { | |
1166 | $item = explode('=', $param); | |
1167 | $params[$item[0]] = $item[1]; | |
1168 | } | |
1169 | ||
1170 | return $params; | |
1171 | } | |
1172 | ||
1173 | function get_article_filters($filters, $title, $content, $link, $timestamp, $author, $tags) { | |
1174 | $matches = array(); | |
1175 | ||
1176 | foreach ($filters as $filter) { | |
1177 | $match_any_rule = $filter["match_any_rule"]; | |
1178 | $inverse = $filter["inverse"]; | |
1179 | $filter_match = false; | |
1180 | ||
1181 | foreach ($filter["rules"] as $rule) { | |
1182 | $match = false; | |
1183 | $reg_exp = $rule["reg_exp"]; | |
1184 | $rule_inverse = $rule["inverse"]; | |
1185 | ||
1186 | if (!$reg_exp) | |
1187 | continue; | |
1188 | ||
1189 | switch ($rule["type"]) { | |
1190 | case "title": | |
1191 | $match = @preg_match("/$reg_exp/i", $title); | |
1192 | break; | |
1193 | case "content": | |
1194 | // we don't need to deal with multiline regexps | |
1195 | $content = preg_replace("/[\r\n\t]/", "", $content); | |
1196 | ||
1197 | $match = @preg_match("/$reg_exp/i", $content); | |
1198 | break; | |
1199 | case "both": | |
1200 | // we don't need to deal with multiline regexps | |
1201 | $content = preg_replace("/[\r\n\t]/", "", $content); | |
1202 | ||
1203 | $match = (@preg_match("/$reg_exp/i", $title) || @preg_match("/$reg_exp/i", $content)); | |
1204 | break; | |
1205 | case "link": | |
1206 | $match = @preg_match("/$reg_exp/i", $link); | |
1207 | break; | |
1208 | case "author": | |
1209 | $match = @preg_match("/$reg_exp/i", $author); | |
1210 | break; | |
1211 | case "tag": | |
1212 | $tag_string = join(",", $tags); | |
1213 | $match = @preg_match("/$reg_exp/i", $tag_string); | |
1214 | break; | |
1215 | } | |
1216 | ||
1217 | if ($rule_inverse) $match = !$match; | |
1218 | ||
1219 | if ($match_any_rule) { | |
1220 | if ($match) { | |
1221 | $filter_match = true; | |
1222 | break; | |
1223 | } | |
1224 | } else { | |
1225 | $filter_match = $match; | |
1226 | if (!$match) { | |
1227 | break; | |
1228 | } | |
1229 | } | |
1230 | } | |
1231 | ||
1232 | if ($inverse) $filter_match = !$filter_match; | |
1233 | ||
1234 | if ($filter_match) { | |
1235 | foreach ($filter["actions"] AS $action) { | |
1236 | array_push($matches, $action); | |
1237 | } | |
1238 | } | |
1239 | } | |
1240 | ||
1241 | return $matches; | |
1242 | } | |
1243 | ||
1244 | function find_article_filter($filters, $filter_name) { | |
1245 | foreach ($filters as $f) { | |
1246 | if ($f["type"] == $filter_name) { | |
1247 | return $f; | |
1248 | }; | |
1249 | } | |
1250 | return false; | |
1251 | } | |
1252 | ||
1253 | function find_article_filters($filters, $filter_name) { | |
1254 | $results = array(); | |
1255 | ||
1256 | foreach ($filters as $f) { | |
1257 | if ($f["type"] == $filter_name) { | |
1258 | array_push($results, $f); | |
1259 | }; | |
1260 | } | |
1261 | return $results; | |
1262 | } | |
1263 | ||
1264 | function calculate_article_score($filters) { | |
1265 | $score = 0; | |
1266 | ||
1267 | foreach ($filters as $f) { | |
1268 | if ($f["type"] == "score") { | |
1269 | $score += $f["param"]; | |
1270 | }; | |
1271 | } | |
1272 | return $score; | |
1273 | } | |
1274 | ||
1275 | function labels_contains_caption($labels, $caption) { | |
1276 | foreach ($labels as $label) { | |
1277 | if ($label[1] == $caption) { | |
1278 | return true; | |
1279 | } | |
1280 | } | |
1281 | ||
1282 | return false; | |
1283 | } | |
1284 | ||
1285 | function assign_article_to_label_filters($link, $id, $filters, $owner_uid, $article_labels) { | |
1286 | foreach ($filters as $f) { | |
1287 | if ($f["type"] == "label") { | |
1288 | if (!labels_contains_caption($article_labels, $f["param"])) { | |
1289 | label_add_article($link, $id, $f["param"], $owner_uid); | |
1290 | } | |
1291 | } | |
1292 | } | |
1293 | } | |
1294 | ||
1295 | function make_guid_from_title($title) { | |
1296 | return preg_replace("/[ \"\',.:;]/", "-", | |
1297 | mb_strtolower(strip_tags($title), 'utf-8')); | |
1298 | } | |
1299 | ||
1300 | ||
1301 | ?> |