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fix feed: prefix stripping
[tt-rss.git] / functions.php
1 <?php
2
3 /* if ($_GET["debug"]) {
4 define('DEFAULT_ERROR_LEVEL', E_ALL);
5 } else {
6 define('DEFAULT_ERROR_LEVEL', E_ERROR | E_WARNING | E_PARSE);
7 } */
8
9 require_once 'config.php';
10 require_once 'db-prefs.php';
11 require_once 'compat.php';
12 require_once 'errors.php';
13 require_once 'version.php';
14
15 if (RSS_BACKEND_TYPE == "magpie") {
16 require_once "magpierss/rss_fetch.inc";
17 require_once 'magpierss/rss_utils.inc';
18 } else if (RSS_BACKEND_TYPE == "simplepie") {
19 require_once 'simplepie/simplepie.inc';
20 }
21
22 define('MAGPIE_OUTPUT_ENCODING', 'UTF-8');
23
24 function purge_feed($link, $feed_id, $purge_interval, $debug = false) {
25
26 $rows = -1;
27
28 if (DB_TYPE == "pgsql") {
29 /* $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
30 marked = false AND feed_id = '$feed_id' AND
31 (SELECT date_entered FROM ttrss_entries WHERE
32 id = ref_id) < NOW() - INTERVAL '$purge_interval days'"); */
33
34 $pg_version = get_pgsql_version($link);
35
36 if (preg_match("/^7\./", $pg_version) || preg_match("/^8\.0/", $pg_version)) {
37
38 $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
39 ttrss_entries.id = ref_id AND
40 marked = false AND
41 feed_id = '$feed_id' AND
42 ttrss_entries.date_entered < NOW() - INTERVAL '$purge_interval days'");
43
44 } else {
45
46 $result = db_query($link, "DELETE FROM ttrss_user_entries
47 USING ttrss_entries
48 WHERE ttrss_entries.id = ref_id AND
49 marked = false AND
50 feed_id = '$feed_id' AND
51 ttrss_entries.date_entered < NOW() - INTERVAL '$purge_interval days'");
52 }
53
54 $rows = pg_affected_rows($result);
55
56 } else {
57
58 /* $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
59 marked = false AND feed_id = '$feed_id' AND
60 (SELECT date_entered FROM ttrss_entries WHERE
61 id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
62
63 $result = db_query($link, "DELETE FROM ttrss_user_entries
64 USING ttrss_user_entries, ttrss_entries
65 WHERE ttrss_entries.id = ref_id AND
66 marked = false AND
67 feed_id = '$feed_id' AND
68 ttrss_entries.date_entered < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
69
70 $rows = mysql_affected_rows($link);
71
72 }
73
74 if ($debug) {
75 print "Purged feed $feed_id ($purge_interval): deleted $rows articles\n";
76 }
77 }
78
79 function global_purge_old_posts($link, $do_output = false, $limit = false) {
80
81 $random_qpart = sql_random_function();
82
83 if ($limit) {
84 $limit_qpart = "LIMIT $limit";
85 } else {
86 $limit_qpart = "";
87 }
88
89 $result = db_query($link,
90 "SELECT id,purge_interval,owner_uid FROM ttrss_feeds
91 ORDER BY $random_qpart $limit_qpart");
92
93 while ($line = db_fetch_assoc($result)) {
94
95 $feed_id = $line["id"];
96 $purge_interval = $line["purge_interval"];
97 $owner_uid = $line["owner_uid"];
98
99 if ($purge_interval == 0) {
100
101 $tmp_result = db_query($link,
102 "SELECT value FROM ttrss_user_prefs WHERE
103 pref_name = 'PURGE_OLD_DAYS' AND owner_uid = '$owner_uid'");
104
105 if (db_num_rows($tmp_result) != 0) {
106 $purge_interval = db_fetch_result($tmp_result, 0, "value");
107 }
108 }
109
110 if ($do_output) {
111 // print "Feed $feed_id: purge interval = $purge_interval\n";
112 }
113
114 if ($purge_interval > 0) {
115 purge_feed($link, $feed_id, $purge_interval, $do_output);
116 }
117 }
118
119 // purge orphaned posts in main content table
120 db_query($link, "DELETE FROM ttrss_entries WHERE
121 (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
122
123 }
124
125 function purge_old_posts($link) {
126
127 $user_id = $_SESSION["uid"];
128
129 $result = db_query($link, "SELECT id,purge_interval FROM ttrss_feeds
130 WHERE owner_uid = '$user_id'");
131
132 while ($line = db_fetch_assoc($result)) {
133
134 $feed_id = $line["id"];
135 $purge_interval = $line["purge_interval"];
136
137 if ($purge_interval == 0) $purge_interval = get_pref($link, 'PURGE_OLD_DAYS');
138
139 if ($purge_interval > 0) {
140 purge_feed($link, $feed_id, $purge_interval);
141 }
142 }
143
144 // purge orphaned posts in main content table
145 db_query($link, "DELETE FROM ttrss_entries WHERE
146 (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
147 }
148
149 function update_all_feeds($link, $fetch, $user_id = false, $force_daemon = false) {
150
151 if (WEB_DEMO_MODE) return;
152
153 if (!$user_id) {
154 $user_id = $_SESSION["uid"];
155 purge_old_posts($link);
156 }
157
158 // db_query($link, "BEGIN");
159
160 if (MAX_UPDATE_TIME > 0) {
161 if (DB_TYPE == "mysql") {
162 $q_order = "RAND()";
163 } else {
164 $q_order = "RANDOM()";
165 }
166 } else {
167 $q_order = "last_updated DESC";
168 }
169
170 $result = db_query($link, "SELECT feed_url,id,
171 SUBSTRING(last_updated,1,19) AS last_updated,
172 update_interval FROM ttrss_feeds WHERE owner_uid = '$user_id'
173 ORDER BY $q_order");
174
175 $upd_start = time();
176
177 while ($line = db_fetch_assoc($result)) {
178 $upd_intl = $line["update_interval"];
179
180 if (!$upd_intl || $upd_intl == 0) {
181 $upd_intl = get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $user_id);
182 }
183
184 if ($upd_intl < 0) {
185 // Updates for this feed are disabled
186 continue;
187 }
188
189 if ($fetch || (!$line["last_updated"] ||
190 time() - strtotime($line["last_updated"]) > ($upd_intl * 60))) {
191
192 // print "<!-- feed: ".$line["feed_url"]." -->";
193
194 update_rss_feed($link, $line["feed_url"], $line["id"], $force_daemon);
195
196 $upd_elapsed = time() - $upd_start;
197
198 if (MAX_UPDATE_TIME > 0 && $upd_elapsed > MAX_UPDATE_TIME) {
199 return;
200 }
201 }
202 }
203
204 // db_query($link, "COMMIT");
205
206 }
207
208 function fetch_file_contents($url) {
209 if (USE_CURL_FOR_ICONS) {
210 $tmpfile = tempnam(TMP_DIRECTORY, "ttrss-tmp");
211
212 $ch = curl_init($url);
213 $fp = fopen($tmpfile, "w");
214
215 if ($fp) {
216 curl_setopt($ch, CURLOPT_FILE, $fp);
217 curl_exec($ch);
218 curl_close($ch);
219 fclose($fp);
220 }
221
222 $contents = file_get_contents($tmpfile);
223 unlink($tmpfile);
224
225 return $contents;
226
227 } else {
228 return file_get_contents($url);
229 }
230
231 }
232
233 // adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/)
234 // http://dev.wp-plugins.org/file/favatars/trunk/favatars.php
235
236 function get_favicon_url($url) {
237
238 if ($html = @fetch_file_contents($url)) {
239
240 if ( preg_match('/<link[^>]+rel="(?:shortcut )?icon"[^>]+?href="([^"]+?)"/si', $html, $matches)) {
241 // Attempt to grab a favicon link from their webpage url
242 $linkUrl = html_entity_decode($matches[1]);
243
244 if (substr($linkUrl, 0, 1) == '/') {
245 $urlParts = parse_url($url);
246 $faviconURL = $urlParts['scheme'].'://'.$urlParts['host'].$linkUrl;
247 } else if (substr($linkUrl, 0, 7) == 'http://') {
248 $faviconURL = $linkUrl;
249 } else if (substr($url, -1, 1) == '/') {
250 $faviconURL = $url.$linkUrl;
251 } else {
252 $faviconURL = $url.'/'.$linkUrl;
253 }
254
255 } else {
256 // If unsuccessful, attempt to "guess" the favicon location
257 $urlParts = parse_url($url);
258 $faviconURL = $urlParts['scheme'].'://'.$urlParts['host'].'/favicon.ico';
259 }
260 }
261
262 // Run a test to see if what we have attempted to get actually exists.
263 if(USE_CURL_FOR_ICONS || url_validate($faviconURL)) {
264 return $faviconURL;
265 } else {
266 return false;
267 }
268 }
269
270 function url_validate($link) {
271
272 $url_parts = @parse_url($link);
273
274 if ( empty( $url_parts["host"] ) )
275 return false;
276
277 if ( !empty( $url_parts["path"] ) ) {
278 $documentpath = $url_parts["path"];
279 } else {
280 $documentpath = "/";
281 }
282
283 if ( !empty( $url_parts["query"] ) )
284 $documentpath .= "?" . $url_parts["query"];
285
286 $host = $url_parts["host"];
287 $port = $url_parts["port"];
288
289 if ( empty($port) )
290 $port = "80";
291
292 $socket = @fsockopen( $host, $port, $errno, $errstr, 30 );
293
294 if ( !$socket )
295 return false;
296
297 fwrite ($socket, "HEAD ".$documentpath." HTTP/1.0\r\nHost: $host\r\n\r\n");
298
299 $http_response = fgets( $socket, 22 );
300
301 $responses = "/(200 OK)|(30[0-9] Moved)/";
302 if ( preg_match($responses, $http_response) ) {
303 fclose($socket);
304 return true;
305 } else {
306 return false;
307 }
308
309 }
310
311 function check_feed_favicon($site_url, $feed, $link) {
312 $favicon_url = get_favicon_url($site_url);
313
314 # print "FAVICON [$site_url]: $favicon_url\n";
315
316 error_reporting(0);
317
318 $icon_file = ICONS_DIR . "/$feed.ico";
319
320 if ($favicon_url && !file_exists($icon_file)) {
321 $contents = fetch_file_contents($favicon_url);
322
323 $fp = fopen($icon_file, "w");
324
325 if ($fp) {
326 fwrite($fp, $contents);
327 fclose($fp);
328 chmod($icon_file, 0644);
329 }
330 }
331
332 error_reporting(DEFAULT_ERROR_LEVEL);
333
334 }
335
336 function update_rss_feed($link, $feed_url, $feed, $ignore_daemon = false) {
337
338 if (WEB_DEMO_MODE) return;
339
340 if (DAEMON_REFRESH_ONLY && !$_GET["daemon"] && !$ignore_daemon) {
341 return;
342 }
343
344 $result = db_query($link, "SELECT update_interval,auth_login,auth_pass
345 FROM ttrss_feeds WHERE id = '$feed'");
346
347 $auth_login = db_unescape_string(db_fetch_result($result, 0, "auth_login"));
348 $auth_pass = db_unescape_string(db_fetch_result($result, 0, "auth_pass"));
349
350 $update_interval = db_fetch_result($result, 0, "update_interval");
351
352 if ($update_interval < 0) { return; }
353
354 $feed = db_escape_string($feed);
355
356 $fetch_url = $feed_url;
357
358 if ($auth_login && $auth_pass) {
359 $url_parts = array();
360 preg_match("/(^[^:]*):\/\/(.*)/", $fetch_url, $url_parts);
361
362 if ($url_parts[1] && $url_parts[2]) {
363 $fetch_url = $url_parts[1] . "://$auth_login:$auth_pass@" . $url_parts[2];
364 }
365
366 }
367
368 if (RSS_BACKEND_TYPE == "magpie") {
369 error_reporting(0);
370 $rss = fetch_rss($fetch_url);
371 error_reporting (DEFAULT_ERROR_LEVEL);
372 } else if (RSS_BACKEND_TYPE == "simplepie") {
373
374 if (!file_exists(SIMPLEPIE_CACHE_DIR)) {
375 mkdir(SIMPLEPIE_CACHE_DIR);
376 }
377
378 $rss = new SimplePie();
379 $rss->feed_url($fetch_url);
380 $rss->cache_location(SIMPLEPIE_CACHE_DIR);
381 $rss->init();
382 }
383
384 $feed = db_escape_string($feed);
385
386 $rss_check = $rss;
387
388 if (RSS_BACKEND_TYPE == "simplepie") {
389 $rss_check = $rss->data;
390 }
391
392 if ($rss_check) {
393
394 // db_query($link, "BEGIN");
395
396 $result = db_query($link, "SELECT title,icon_url,site_url,owner_uid
397 FROM ttrss_feeds WHERE id = '$feed'");
398
399 $registered_title = db_fetch_result($result, 0, "title");
400 $orig_icon_url = db_fetch_result($result, 0, "icon_url");
401 $orig_site_url = db_fetch_result($result, 0, "site_url");
402
403 $owner_uid = db_fetch_result($result, 0, "owner_uid");
404
405 if (get_pref($link, 'ENABLE_FEED_ICONS', $owner_uid, false)) {
406 check_feed_favicon($rss->channel["link"], $feed, $link);
407 }
408
409 if (!$registered_title || $registered_title == "[Unknown]") {
410
411 if (RSS_BACKEND_TYPE == "magpie") {
412 $feed_title = db_escape_string($rss->channel["title"]);
413 } else {
414 $feed_title = $rss->get_feed_title();
415 }
416
417 db_query($link, "UPDATE ttrss_feeds SET
418 title = '$feed_title' WHERE id = '$feed'");
419 }
420
421 if (RSS_BACKEND_TYPE == "magpie") {
422 $site_url = $rss->channel["link"];
423 // weird, weird Magpie
424 if (!$site_url) $site_url = db_escape_string($rss->channel["link_"]);
425 } else {
426 $site_url = $rss->get_feed_link();
427 }
428
429 if ($site_url && $orig_site_url != db_escape_string($site_url)) {
430 db_query($link, "UPDATE ttrss_feeds SET
431 site_url = '$site_url' WHERE id = '$feed'");
432 }
433
434 // print "I: " . $rss->channel["image"]["url"];
435
436 if (RSS_BACKEND_TYPE == "magpie") {
437 $icon_url = $rss->image["url"];
438 } else {
439 $icon_url = $rss->get_image_url(); # FIXME
440 }
441
442 if ($icon_url && !$orig_icon_url != db_escape_string($icon_url)) {
443 $icon_url = db_escape_string($icon_url);
444 db_query($link, "UPDATE ttrss_feeds SET icon_url = '$icon_url' WHERE id = '$feed'");
445 }
446
447
448 $filters = array();
449
450 $result = db_query($link, "SELECT reg_exp,
451 ttrss_filter_types.name AS name,
452 ttrss_filter_actions.name AS action
453 FROM ttrss_filters,ttrss_filter_types,ttrss_filter_actions WHERE
454 enabled = true AND
455 owner_uid = $owner_uid AND
456 ttrss_filter_types.id = filter_type AND
457 ttrss_filter_actions.id = action_id AND
458 (feed_id IS NULL OR feed_id = '$feed')");
459
460 while ($line = db_fetch_assoc($result)) {
461 if (!$filters[$line["name"]]) $filters[$line["name"]] = array();
462
463 $filter["reg_exp"] = $line["reg_exp"];
464 $filter["action"] = $line["action"];
465
466 array_push($filters[$line["name"]], $filter);
467 }
468
469 if (RSS_BACKEND_TYPE == "magpie") {
470 $iterator = $rss->items;
471
472 if (!$iterator || !is_array($iterator)) $iterator = $rss->entries;
473 if (!$iterator || !is_array($iterator)) $iterator = $rss;
474
475 } else {
476 $iterator = $rss->get_items();
477 }
478
479 if (!is_array($iterator)) {
480 /* db_query($link, "UPDATE ttrss_feeds
481 SET last_error = 'Parse error: can\'t find any articles.'
482 WHERE id = '$feed'"); */
483 return; // WTF?
484 }
485
486 foreach ($iterator as $item) {
487
488 if (RSS_BACKEND_TYPE == "magpie") {
489
490 $entry_guid = $item["id"];
491
492 if (!$entry_guid) $entry_guid = $item["guid"];
493 if (!$entry_guid) $entry_guid = $item["link"];
494
495 if (!$entry_guid) continue;
496
497 $entry_timestamp = "";
498
499 $rss_2_date = $item['pubdate'];
500 $rss_1_date = $item['dc']['date'];
501 $atom_date = $item['issued'];
502 if (!$atom_date) $atom_date = $item['updated'];
503
504 if ($atom_date != "") $entry_timestamp = parse_w3cdtf($atom_date);
505 if ($rss_1_date != "") $entry_timestamp = parse_w3cdtf($rss_1_date);
506 if ($rss_2_date != "") $entry_timestamp = strtotime($rss_2_date);
507
508 if ($entry_timestamp == "") {
509 $entry_timestamp = time();
510 $no_orig_date = 'true';
511 } else {
512 $no_orig_date = 'false';
513 }
514
515 $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
516
517 $entry_title = $item["title"];
518
519 // strange Magpie workaround
520 $entry_link = $item["link_"];
521 if (!$entry_link) $entry_link = $item["link"];
522
523 if (!$entry_title) continue;
524 if (!$entry_link) continue;
525
526 $entry_content = $item["content:escaped"];
527
528 if (!$entry_content) $entry_content = $item["content:encoded"];
529 if (!$entry_content) $entry_content = $item["content"];
530 if (!$entry_content) $entry_content = $item["atom_content"];
531 if (!$entry_content) $entry_content = $item["summary"];
532 if (!$entry_content) $entry_content = $item["description"];
533
534 // if (!$entry_content) continue;
535
536 // WTF
537 if (is_array($entry_content)) {
538 $entry_content = $entry_content["encoded"];
539 if (!$entry_content) $entry_content = $entry_content["escaped"];
540 }
541
542 // print_r($item);
543 // print_r(htmlspecialchars($entry_content));
544 // print "<br>";
545
546 $entry_content_unescaped = $entry_content;
547 $content_hash = "SHA1:" . sha1(strip_tags($entry_content));
548
549 $entry_comments = $item["comments"];
550
551 $entry_author = db_escape_string($item['dc']['creator']);
552
553 $entry_guid = db_escape_string($entry_guid);
554
555 $result = db_query($link, "SELECT id FROM ttrss_entries
556 WHERE guid = '$entry_guid'");
557
558 $entry_content = db_escape_string($entry_content);
559 $entry_title = db_escape_string($entry_title);
560 $entry_link = db_escape_string($entry_link);
561 $entry_comments = db_escape_string($entry_comments);
562
563 $num_comments = db_escape_string($item["slash"]["comments"]);
564
565 if (!$num_comments) $num_comments = 0;
566
567 } else if (RSS_BACKEND_TYPE == "simplepie") {
568
569 $entry_guid = $item->get_id();
570
571 if (!$entry_guid) {
572 $entry_guid = $item->get_permalink();
573 }
574
575 if (!$entry_guid) continue;
576
577 $entry_timestamp = $item->get_date("U");
578
579 if ($entry_timestamp == "") {
580 $entry_timestamp = time();
581 $no_orig_date = 'true';
582 } else {
583 $no_orig_date = 'false';
584 }
585
586 $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
587
588 $entry_title = $item->get_title();
589 $entry_link = $item->get_permalink();
590
591 if (!$entry_title) continue;
592 if (!$entry_link) continue;
593
594 $entry_content = $item->get_description();
595
596 // print_r(htmlspecialchars($entry_content));
597 // print "<br>";
598
599 $entry_content_unescaped = $entry_content;
600 $content_hash = "SHA1:" . sha1(strip_tags($entry_content));
601
602 $entry_comments = ""; # FIXME
603
604 $entry_author = $item->get_author(0);
605
606 $entry_author = db_escape_string($entry_author->name);
607
608 $entry_guid = db_escape_string($entry_guid);
609
610 $result = db_query($link, "SELECT id FROM ttrss_entries
611 WHERE guid = '$entry_guid'");
612
613 $entry_content = db_escape_string($entry_content);
614 $entry_title = db_escape_string($entry_title);
615 $entry_link = db_escape_string($entry_link);
616 $entry_comments = db_escape_string($entry_comments);
617
618 $num_comments = 0; # FIXME
619
620 if (!$num_comments) $num_comments = 0;
621
622 }
623
624 # sanitize content
625
626 $entry_content = sanitize_rss($entry_content);
627 $entry_title = sanitize_rss($entry_title);
628 $entry_link = sanitize_rss($entry_link);
629 $entry_comments = sanitize_rss($entry_comments);
630
631 db_query($link, "BEGIN");
632
633 if (db_num_rows($result) == 0) {
634
635 // base post entry does not exist, create it
636
637 $result = db_query($link,
638 "INSERT INTO ttrss_entries
639 (title,
640 guid,
641 link,
642 updated,
643 content,
644 content_hash,
645 no_orig_date,
646 date_entered,
647 comments,
648 num_comments,
649 author)
650 VALUES
651 ('$entry_title',
652 '$entry_guid',
653 '$entry_link',
654 '$entry_timestamp_fmt',
655 '$entry_content',
656 '$content_hash',
657 $no_orig_date,
658 NOW(),
659 '$entry_comments',
660 '$num_comments',
661 '$entry_author')");
662 } else {
663 // we keep encountering the entry in feeds, so we need to
664 // update date_entered column so that we don't get horrible
665 // dupes when the entry gets purged and reinserted again e.g.
666 // in the case of SLOW SLOW OMG SLOW updating feeds
667
668 $base_entry_id = db_fetch_result($result, 0, "id");
669
670 db_query($link, "UPDATE ttrss_entries SET date_entered = NOW()
671 WHERE id = '$base_entry_id'");
672 }
673
674 // now it should exist, if not - bad luck then
675
676 $result = db_query($link, "SELECT
677 id,content_hash,no_orig_date,title,
678 substring(date_entered,1,19) as date_entered,
679 substring(updated,1,19) as updated,
680 num_comments
681 FROM
682 ttrss_entries
683 WHERE guid = '$entry_guid'");
684
685 if (db_num_rows($result) == 1) {
686
687 // this will be used below in update handler
688 $orig_content_hash = db_fetch_result($result, 0, "content_hash");
689 $orig_title = db_fetch_result($result, 0, "title");
690 $orig_num_comments = db_fetch_result($result, 0, "num_comments");
691 $orig_date_entered = strtotime(db_fetch_result($result,
692 0, "date_entered"));
693
694 $ref_id = db_fetch_result($result, 0, "id");
695
696 // check for user post link to main table
697
698 // do we allow duplicate posts with same GUID in different feeds?
699 if (get_pref($link, "ALLOW_DUPLICATE_POSTS", $owner_uid, false)) {
700 $dupcheck_qpart = "AND feed_id = '$feed'";
701 } else {
702 $dupcheck_qpart = "";
703 }
704
705 // error_reporting(0);
706
707 $filter_name = get_filter_name($entry_title, $entry_content,
708 $entry_link, $filters);
709
710 if ($filter_name == "filter") {
711 continue;
712 }
713
714 // error_reporting (DEFAULT_ERROR_LEVEL);
715
716 $result = db_query($link,
717 "SELECT ref_id FROM ttrss_user_entries WHERE
718 ref_id = '$ref_id' AND owner_uid = '$owner_uid'
719 $dupcheck_qpart");
720
721 // okay it doesn't exist - create user entry
722 if (db_num_rows($result) == 0) {
723
724 if ($filter_name != 'catchup') {
725 $unread = 'true';
726 $last_read_qpart = 'NULL';
727 } else {
728 $unread = 'false';
729 $last_read_qpart = 'NOW()';
730 }
731
732 if ($filter_name == 'mark') {
733 $marked = 'true';
734 } else {
735 $marked = 'false';
736 }
737
738 $result = db_query($link,
739 "INSERT INTO ttrss_user_entries
740 (ref_id, owner_uid, feed_id, unread, last_read, marked)
741 VALUES ('$ref_id', '$owner_uid', '$feed', $unread,
742 $last_read_qpart, $marked)");
743 }
744
745 $post_needs_update = false;
746
747 if (get_pref($link, "UPDATE_POST_ON_CHECKSUM_CHANGE", $owner_uid, false) &&
748 ($content_hash != $orig_content_hash)) {
749 $post_needs_update = true;
750 }
751
752 if ($orig_title != $entry_title) {
753 $post_needs_update = true;
754 }
755
756 if ($orig_num_comments != $num_comments) {
757 $post_needs_update = true;
758 }
759
760 // this doesn't seem to be very reliable
761 //
762 // if ($orig_timestamp != $entry_timestamp && !$orig_no_orig_date) {
763 // $post_needs_update = true;
764 // }
765
766 // if post needs update, update it and mark all user entries
767 // linking to this post as updated
768 if ($post_needs_update) {
769
770 // print "<!-- post $orig_title needs update : $post_needs_update -->";
771
772 db_query($link, "UPDATE ttrss_entries
773 SET title = '$entry_title', content = '$entry_content',
774 num_comments = '$num_comments'
775 WHERE id = '$ref_id'");
776
777 if (get_pref($link, "MARK_UNREAD_ON_UPDATE", $owner_uid, false)) {
778 db_query($link, "UPDATE ttrss_user_entries
779 SET last_read = null, unread = true WHERE ref_id = '$ref_id'");
780 } else {
781 db_query($link, "UPDATE ttrss_user_entries
782 SET last_read = null WHERE ref_id = '$ref_id' AND unread = false");
783 }
784
785 }
786 }
787
788 db_query($link, "COMMIT");
789
790 /* taaaags */
791 // <a href="http://technorati.com/tag/Xorg" rel="tag">Xorg</a>, //
792
793 $entry_tags = null;
794
795 preg_match_all("/<a.*?href=.http:\/\/.*?technorati.com\/tag\/([^\"\'>]+)/i",
796 $entry_content_unescaped, $entry_tags);
797
798 // print "<br>$entry_title : $entry_content_unescaped<br>";
799 // print_r($entry_tags);
800 // print "<br>";
801
802 $entry_tags = $entry_tags[1];
803
804 if (count($entry_tags) > 0) {
805
806 db_query($link, "BEGIN");
807
808 $result = db_query($link, "SELECT id,int_id
809 FROM ttrss_entries,ttrss_user_entries
810 WHERE guid = '$entry_guid'
811 AND feed_id = '$feed' AND ref_id = id
812 AND owner_uid = '$owner_uid'");
813
814 if (db_num_rows($result) == 1) {
815
816 $entry_id = db_fetch_result($result, 0, "id");
817 $entry_int_id = db_fetch_result($result, 0, "int_id");
818
819 foreach ($entry_tags as $tag) {
820 $tag = db_escape_string(strtolower($tag));
821
822 $tag = str_replace("+", " ", $tag);
823 $tag = str_replace("technorati tag: ", "", $tag);
824
825 $result = db_query($link, "SELECT id FROM ttrss_tags
826 WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND
827 owner_uid = '$owner_uid' LIMIT 1");
828
829 // print db_fetch_result($result, 0, "id");
830
831 if ($result && db_num_rows($result) == 0) {
832
833 // print "tagging $entry_id as $tag<br>";
834
835 db_query($link, "INSERT INTO ttrss_tags
836 (owner_uid,tag_name,post_int_id)
837 VALUES ('$owner_uid','$tag', '$entry_int_id')");
838 }
839 }
840 }
841 db_query($link, "COMMIT");
842 }
843 }
844
845 db_query($link, "UPDATE ttrss_feeds
846 SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
847
848 // db_query($link, "COMMIT");
849
850 } else {
851 $error_msg = db_escape_string(magpie_error());
852 db_query($link,
853 "UPDATE ttrss_feeds SET last_error = '$error_msg',
854 last_updated = NOW() WHERE id = '$feed'");
855 }
856
857 }
858
859 function print_select($id, $default, $values, $attributes = "") {
860 print "<select name=\"$id\" id=\"$id\" $attributes>";
861 foreach ($values as $v) {
862 if ($v == $default)
863 $sel = " selected";
864 else
865 $sel = "";
866
867 print "<option$sel>$v</option>";
868 }
869 print "</select>";
870 }
871
872 function print_select_hash($id, $default, $values, $attributes = "") {
873 print "<select name=\"$id\" id='$id' $attributes>";
874 foreach (array_keys($values) as $v) {
875 if ($v == $default)
876 $sel = "selected";
877 else
878 $sel = "";
879
880 print "<option $sel value=\"$v\">".$values[$v]."</option>";
881 }
882
883 print "</select>";
884 }
885
886 function get_filter_name($title, $content, $link, $filters) {
887
888 if ($filters["title"]) {
889 foreach ($filters["title"] as $filter) {
890 $reg_exp = $filter["reg_exp"];
891 if (preg_match("/$reg_exp/i", $title)) {
892 return $filter["action"];
893 }
894 }
895 }
896
897 if ($filters["content"]) {
898 foreach ($filters["content"] as $filter) {
899 $reg_exp = $filter["reg_exp"];
900 if (preg_match("/$reg_exp/i", $content)) {
901 return $filter["action"];
902 }
903 }
904 }
905
906 if ($filters["both"]) {
907 foreach ($filters["both"] as $filter) {
908 $reg_exp = $filter["reg_exp"];
909 if (preg_match("/$reg_exp/i", $title) ||
910 preg_match("/$reg_exp/i", $content)) {
911 return $filter["action"];
912 }
913 }
914 }
915
916 if ($filters["link"]) {
917 $reg_exp = $filter["reg_exp"];
918 foreach ($filters["link"] as $filter) {
919 $reg_exp = $filter["reg_exp"];
920 if (preg_match("/$reg_exp/i", $link)) {
921 return $filter["action"];
922 }
923 }
924 }
925
926 return false;
927 }
928
929 function printFeedEntry($feed_id, $class, $feed_title, $unread, $icon_file, $link,
930 $rtl_content = false, $last_updated = false, $last_error = false) {
931
932 if (file_exists($icon_file) && filesize($icon_file) > 0) {
933 $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"$icon_file\">";
934 } else {
935 $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"images/blank_icon.gif\">";
936 }
937
938 if ($rtl_content) {
939 $rtl_tag = "dir=\"rtl\"";
940 } else {
941 $rtl_tag = "dir=\"ltr\"";
942 }
943
944 $error_notify_msg = "";
945
946 if ($last_error) {
947 $link_title = "Error: $last_error ($last_updated)";
948 $error_notify_msg = "(Error)";
949 } else if ($last_updated) {
950 $link_title = "Updated: $last_updated";
951 }
952
953 $feed = "<a title=\"$link_title\" id=\"FEEDL-$feed_id\" href=\"javascript:viewfeed('$feed_id', '', false);\">$feed_title</a>";
954
955 print "<li id=\"FEEDR-$feed_id\" class=\"$class\">";
956 if (get_pref($link, 'ENABLE_FEED_ICONS')) {
957 print "$feed_icon";
958 }
959
960 print "<span $rtl_tag id=\"FEEDN-$feed_id\">$feed</span>";
961
962 if ($unread != 0) {
963 $fctr_class = "";
964 } else {
965 $fctr_class = "class=\"invisible\"";
966 }
967
968 print " <span $rtl_tag $fctr_class id=\"FEEDCTR-$feed_id\">
969 (<span id=\"FEEDU-$feed_id\">$unread</span>)</span>";
970
971 if (get_pref($link, "EXTENDED_FEEDLIST")) {
972 print "<div class=\"feedExtInfo\">
973 <span id=\"FLUPD-$feed_id\">$last_updated $error_notify_msg</span></div>";
974 }
975
976 print "</li>";
977
978 }
979
980 function getmicrotime() {
981 list($usec, $sec) = explode(" ",microtime());
982 return ((float)$usec + (float)$sec);
983 }
984
985 function print_radio($id, $default, $values, $attributes = "") {
986 foreach ($values as $v) {
987
988 if ($v == $default)
989 $sel = "checked";
990 else
991 $sel = "";
992
993 if ($v == "Yes") {
994 $sel .= " value=\"1\"";
995 } else {
996 $sel .= " value=\"0\"";
997 }
998
999 print "<input class=\"noborder\"
1000 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
1001
1002 }
1003 }
1004
1005 function initialize_user_prefs($link, $uid) {
1006
1007 $uid = db_escape_string($uid);
1008
1009 db_query($link, "BEGIN");
1010
1011 $result = db_query($link, "SELECT pref_name,def_value FROM ttrss_prefs");
1012
1013 $u_result = db_query($link, "SELECT pref_name
1014 FROM ttrss_user_prefs WHERE owner_uid = '$uid'");
1015
1016 $active_prefs = array();
1017
1018 while ($line = db_fetch_assoc($u_result)) {
1019 array_push($active_prefs, $line["pref_name"]);
1020 }
1021
1022 while ($line = db_fetch_assoc($result)) {
1023 if (array_search($line["pref_name"], $active_prefs) === FALSE) {
1024 // print "adding " . $line["pref_name"] . "<br>";
1025
1026 db_query($link, "INSERT INTO ttrss_user_prefs
1027 (owner_uid,pref_name,value) VALUES
1028 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
1029
1030 }
1031 }
1032
1033 db_query($link, "COMMIT");
1034
1035 }
1036
1037 function lookup_user_id($link, $user) {
1038
1039 $result = db_query($link, "SELECT id FROM ttrss_users WHERE
1040 login = '$login'");
1041
1042 if (db_num_rows($result) == 1) {
1043 return db_fetch_result($result, 0, "id");
1044 } else {
1045 return false;
1046 }
1047 }
1048
1049 function http_authenticate_user($link) {
1050
1051 if (!$_SERVER["PHP_AUTH_USER"]) {
1052
1053 header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1054 header('HTTP/1.0 401 Unauthorized');
1055 exit;
1056
1057 } else {
1058 $auth_result = authenticate_user($link,
1059 $_SERVER["PHP_AUTH_USER"], $_SERVER["PHP_AUTH_PW"]);
1060
1061 if (!$auth_result) {
1062 header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1063 header('HTTP/1.0 401 Unauthorized');
1064 exit;
1065 }
1066 }
1067
1068 return true;
1069 }
1070
1071 function authenticate_user($link, $login, $password) {
1072
1073 if (!SINGLE_USER_MODE) {
1074
1075 $pwd_hash = 'SHA1:' . sha1($password);
1076
1077 $result = db_query($link, "SELECT id,login,access_level FROM ttrss_users WHERE
1078 login = '$login' AND pwd_hash = '$pwd_hash'");
1079
1080 if (db_num_rows($result) == 1) {
1081 $_SESSION["uid"] = db_fetch_result($result, 0, "id");
1082 $_SESSION["name"] = db_fetch_result($result, 0, "login");
1083 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
1084
1085 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1086 $_SESSION["uid"]);
1087
1088 $user_theme = get_user_theme_path($link);
1089
1090 $_SESSION["theme"] = $user_theme;
1091 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1092
1093 initialize_user_prefs($link, $_SESSION["uid"]);
1094
1095 return true;
1096 }
1097
1098 return false;
1099
1100 } else {
1101
1102 $_SESSION["uid"] = 1;
1103 $_SESSION["name"] = "admin";
1104
1105 $user_theme = get_user_theme_path($link);
1106
1107 $_SESSION["theme"] = $user_theme;
1108 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1109
1110 initialize_user_prefs($link, $_SESSION["uid"]);
1111
1112 return true;
1113 }
1114 }
1115
1116 function make_password($length = 8) {
1117
1118 $password = "";
1119 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
1120
1121 $i = 0;
1122
1123 while ($i < $length) {
1124 $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
1125
1126 if (!strstr($password, $char)) {
1127 $password .= $char;
1128 $i++;
1129 }
1130 }
1131 return $password;
1132 }
1133
1134 // this is called after user is created to initialize default feeds, labels
1135 // or whatever else
1136
1137 // user preferences are checked on every login, not here
1138
1139 function initialize_user($link, $uid) {
1140
1141 db_query($link, "insert into ttrss_labels (owner_uid,sql_exp,description)
1142 values ('$uid','unread = true', 'Unread articles')");
1143
1144 db_query($link, "insert into ttrss_labels (owner_uid,sql_exp,description)
1145 values ('$uid','last_read is null and unread = false', 'Updated articles')");
1146
1147 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1148 values ('$uid', 'Tiny Tiny RSS: New Releases',
1149 'http://tt-rss.spb.ru/releases.rss')");
1150
1151 }
1152
1153 function logout_user() {
1154 session_destroy();
1155 if (isset($_COOKIE[session_name()])) {
1156 setcookie(session_name(), '', time()-42000, '/');
1157 }
1158 }
1159
1160 function get_script_urlpath() {
1161 return preg_replace('/\/[^\/]*$/', "", $_SERVER["REQUEST_URI"]);
1162 }
1163
1164 function get_login_redirect() {
1165 $server = $_SERVER["SERVER_NAME"];
1166
1167 if (ENABLE_LOGIN_SSL) {
1168 $protocol = "https";
1169 } else {
1170 $protocol = "http";
1171 }
1172
1173 $url_path = get_script_urlpath();
1174
1175 $redirect_uri = "$protocol://$server$url_path/login.php";
1176
1177 return $redirect_uri;
1178 }
1179
1180 function validate_session($link) {
1181 if (SESSION_CHECK_ADDRESS && $_SESSION["uid"]) {
1182 if ($_SESSION["ip_address"]) {
1183 if ($_SESSION["ip_address"] != $_SERVER["REMOTE_ADDR"]) {
1184 return false;
1185 }
1186 }
1187 }
1188 return true;
1189 }
1190
1191 function basic_nosid_redirect_check() {
1192 if (!SINGLE_USER_MODE) {
1193 if (!$_COOKIE[get_session_cookie_name()]) {
1194 $redirect_uri = get_login_redirect();
1195 $return_to = preg_replace('/.*?\//', '', $_SERVER["REQUEST_URI"]);
1196 header("Location: $redirect_uri?rt=$return_to");
1197 exit;
1198 }
1199 }
1200 }
1201
1202 function login_sequence($link) {
1203 if (!SINGLE_USER_MODE) {
1204
1205 if (!validate_session($link)) {
1206 logout_user();
1207 $redirect_uri = get_login_redirect();
1208 $return_to = preg_replace('/.*?\//', '', $_SERVER["REQUEST_URI"]);
1209 header("Location: $redirect_uri?rt=$return_to");
1210 exit;
1211 }
1212
1213 if (!USE_HTTP_AUTH) {
1214 if (!$_SESSION["uid"]) {
1215 $redirect_uri = get_login_redirect();
1216 $return_to = preg_replace('/.*?\//', '', $_SERVER["REQUEST_URI"]);
1217 header("Location: $redirect_uri?rt=$return_to");
1218 exit;
1219 }
1220 } else {
1221 if (!$_SESSION["uid"]) {
1222 if (!$_SERVER["PHP_AUTH_USER"]) {
1223
1224 header('WWW-Authenticate: Basic realm="Tiny Tiny RSS"');
1225 header('HTTP/1.0 401 Unauthorized');
1226 exit;
1227
1228 } else {
1229 $auth_result = authenticate_user($link,
1230 $_SERVER["PHP_AUTH_USER"], $_SERVER["PHP_AUTH_PW"]);
1231
1232 if (!$auth_result) {
1233 header('WWW-Authenticate: Basic realm="Tiny Tiny RSS"');
1234 header('HTTP/1.0 401 Unauthorized');
1235 exit;
1236 }
1237 }
1238 }
1239 }
1240 } else {
1241 return authenticate_user($link, "admin", null);
1242 }
1243 }
1244
1245 function truncate_string($str, $max_len) {
1246 if (mb_strlen($str, "utf-8") > $max_len - 3) {
1247 return mb_substr($str, 0, $max_len, "utf-8") . "...";
1248 } else {
1249 return $str;
1250 }
1251 }
1252
1253 function get_user_theme_path($link) {
1254 $result = db_query($link, "SELECT theme_path
1255 FROM
1256 ttrss_themes,ttrss_users
1257 WHERE ttrss_themes.id = theme_id AND ttrss_users.id = " . $_SESSION["uid"]);
1258 if (db_num_rows($result) != 0) {
1259 return db_fetch_result($result, 0, "theme_path");
1260 } else {
1261 return null;
1262 }
1263 }
1264
1265 function smart_date_time($timestamp) {
1266 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
1267 return date("G:i", $timestamp);
1268 } else if (date("Y", $timestamp) == date("Y")) {
1269 return date("M d, G:i", $timestamp);
1270 } else {
1271 return date("Y/m/d G:i", $timestamp);
1272 }
1273 }
1274
1275 function smart_date($timestamp) {
1276 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
1277 return "Today";
1278 } else if (date("Y", $timestamp) == date("Y")) {
1279 return date("D m", $timestamp);
1280 } else {
1281 return date("Y/m/d", $timestamp);
1282 }
1283 }
1284
1285 function sql_bool_to_string($s) {
1286 if ($s == "t" || $s == "1") {
1287 return "true";
1288 } else {
1289 return "false";
1290 }
1291 }
1292
1293 function sql_bool_to_bool($s) {
1294 if ($s == "t" || $s == "1") {
1295 return true;
1296 } else {
1297 return false;
1298 }
1299 }
1300
1301
1302 function toggleEvenOdd($a) {
1303 if ($a == "even")
1304 return "odd";
1305 else
1306 return "even";
1307 }
1308
1309 function sanity_check($link) {
1310
1311 error_reporting(0);
1312
1313 $error_code = 0;
1314 $result = db_query($link, "SELECT schema_version FROM ttrss_version");
1315 $schema_version = db_fetch_result($result, 0, "schema_version");
1316
1317 if ($schema_version != SCHEMA_VERSION) {
1318 $error_code = 5;
1319 }
1320
1321 if (DB_TYPE == "mysql") {
1322 $result = db_query($link, "SELECT true", false);
1323 if (db_num_rows($result) != 1) {
1324 $error_code = 10;
1325 }
1326 }
1327
1328 error_reporting (DEFAULT_ERROR_LEVEL);
1329
1330 if ($error_code != 0) {
1331 print_error_xml($error_code);
1332 return false;
1333 } else {
1334 return true;
1335 }
1336 }
1337
1338 function file_is_locked($filename) {
1339 error_reporting(0);
1340 $fp = fopen($filename, "r");
1341 error_reporting(DEFAULT_ERROR_LEVEL);
1342 if ($fp) {
1343 if (flock($fp, LOCK_EX | LOCK_NB)) {
1344 flock($fp, LOCK_UN);
1345 fclose($fp);
1346 return false;
1347 }
1348 fclose($fp);
1349 return true;
1350 }
1351 return false;
1352 }
1353
1354 function make_lockfile($filename) {
1355 $fp = fopen($filename, "w");
1356
1357 if (flock($fp, LOCK_EX | LOCK_NB)) {
1358 return $fp;
1359 } else {
1360 return false;
1361 }
1362 }
1363
1364 function sql_random_function() {
1365 if (DB_TYPE == "mysql") {
1366 return "RAND()";
1367 } else {
1368 return "RANDOM()";
1369 }
1370 }
1371
1372 function catchup_feed($link, $feed, $cat_view) {
1373
1374 if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
1375
1376 if ($cat_view) {
1377
1378 if ($feed > 0) {
1379 $cat_qpart = "cat_id = '$feed'";
1380 } else {
1381 $cat_qpart = "cat_id IS NULL";
1382 }
1383
1384 $tmp_result = db_query($link, "SELECT id
1385 FROM ttrss_feeds WHERE $cat_qpart AND owner_uid = " .
1386 $_SESSION["uid"]);
1387
1388 while ($tmp_line = db_fetch_assoc($tmp_result)) {
1389
1390 $tmp_feed = $tmp_line["id"];
1391
1392 db_query($link, "UPDATE ttrss_user_entries
1393 SET unread = false,last_read = NOW()
1394 WHERE feed_id = '$tmp_feed' AND owner_uid = " . $_SESSION["uid"]);
1395 }
1396
1397 } else if ($feed > 0) {
1398
1399 $tmp_result = db_query($link, "SELECT id
1400 FROM ttrss_feeds WHERE parent_feed = '$feed'
1401 ORDER BY cat_id,title");
1402
1403 $parent_ids = array();
1404
1405 if (db_num_rows($tmp_result) > 0) {
1406 while ($p = db_fetch_assoc($tmp_result)) {
1407 array_push($parent_ids, "feed_id = " . $p["id"]);
1408 }
1409
1410 $children_qpart = implode(" OR ", $parent_ids);
1411
1412 db_query($link, "UPDATE ttrss_user_entries
1413 SET unread = false,last_read = NOW()
1414 WHERE (feed_id = '$feed' OR $children_qpart)
1415 AND owner_uid = " . $_SESSION["uid"]);
1416
1417 } else {
1418 db_query($link, "UPDATE ttrss_user_entries
1419 SET unread = false,last_read = NOW()
1420 WHERE feed_id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
1421 }
1422
1423 } else if ($feed < 0 && $feed > -10) { // special, like starred
1424
1425 if ($feed == -1) {
1426 db_query($link, "UPDATE ttrss_user_entries
1427 SET unread = false,last_read = NOW()
1428 WHERE marked = true AND owner_uid = ".$_SESSION["uid"]);
1429 }
1430
1431 } else if ($feed < -10) { // label
1432
1433 // TODO make this more efficient
1434
1435 $label_id = -$feed - 11;
1436
1437 $tmp_result = db_query($link, "SELECT sql_exp FROM ttrss_labels
1438 WHERE id = '$label_id'");
1439
1440 if ($tmp_result) {
1441 $sql_exp = db_fetch_result($tmp_result, 0, "sql_exp");
1442
1443 db_query($link, "BEGIN");
1444
1445 $tmp2_result = db_query($link,
1446 "SELECT
1447 int_id
1448 FROM
1449 ttrss_user_entries,ttrss_entries,ttrss_feeds
1450 WHERE
1451 ref_id = ttrss_entries.id AND
1452 ttrss_user_entries.feed_id = ttrss_feeds.id AND
1453 $sql_exp AND
1454 ttrss_user_entries.owner_uid = " . $_SESSION["uid"]);
1455
1456 while ($tmp_line = db_fetch_assoc($tmp2_result)) {
1457 db_query($link, "UPDATE
1458 ttrss_user_entries
1459 SET
1460 unread = false, last_read = NOW()
1461 WHERE
1462 int_id = " . $tmp_line["int_id"]);
1463 }
1464
1465 db_query($link, "COMMIT");
1466
1467 /* db_query($link, "UPDATE ttrss_user_entries,ttrss_entries
1468 SET unread = false,last_read = NOW()
1469 WHERE $sql_exp
1470 AND ref_id = id
1471 AND owner_uid = ".$_SESSION["uid"]); */
1472 }
1473 }
1474 } else { // tag
1475 db_query($link, "BEGIN");
1476
1477 $tag_name = db_escape_string($feed);
1478
1479 $result = db_query($link, "SELECT post_int_id FROM ttrss_tags
1480 WHERE tag_name = '$tag_name' AND owner_uid = " . $_SESSION["uid"]);
1481
1482 while ($line = db_fetch_assoc($result)) {
1483 db_query($link, "UPDATE ttrss_user_entries SET
1484 unread = false, last_read = NOW()
1485 WHERE int_id = " . $line["post_int_id"]);
1486 }
1487 db_query($link, "COMMIT");
1488 }
1489 }
1490
1491 function update_generic_feed($link, $feed, $cat_view) {
1492 if ($cat_view) {
1493
1494 if ($feed > 0) {
1495 $cat_qpart = "cat_id = '$feed'";
1496 } else {
1497 $cat_qpart = "cat_id IS NULL";
1498 }
1499
1500 $tmp_result = db_query($link, "SELECT feed_url FROM ttrss_feeds
1501 WHERE $cat_qpart AND owner_uid = " . $_SESSION["uid"]);
1502
1503 while ($tmp_line = db_fetch_assoc($tmp_result)) {
1504 $feed_url = $tmp_line["feed_url"];
1505 update_rss_feed($link, $feed_url, $feed, ENABLE_UPDATE_DAEMON);
1506 }
1507
1508 } else {
1509 $tmp_result = db_query($link, "SELECT feed_url FROM ttrss_feeds
1510 WHERE id = '$feed'");
1511 $feed_url = db_fetch_result($tmp_result, 0, "feed_url");
1512 update_rss_feed($link, $feed_url, $feed, ENABLE_UPDATE_DAEMON);
1513 }
1514 }
1515
1516 function getAllCounters($link) {
1517 getLabelCounters($link);
1518 getFeedCounters($link);
1519 getTagCounters($link);
1520 getGlobalCounters($link);
1521 if (get_pref($link, 'ENABLE_FEED_CATS')) {
1522 getCategoryCounters($link);
1523 }
1524 }
1525
1526 function getCategoryCounters($link) {
1527 $result = db_query($link, "SELECT cat_id,SUM((SELECT COUNT(int_id)
1528 FROM ttrss_user_entries WHERE feed_id = ttrss_feeds.id
1529 AND unread = true)) AS unread FROM ttrss_feeds
1530 WHERE
1531 hidden = false AND owner_uid = ".$_SESSION["uid"]." GROUP BY cat_id");
1532
1533 while ($line = db_fetch_assoc($result)) {
1534 $line["cat_id"] = sprintf("%d", $line["cat_id"]);
1535 print "<counter type=\"category\" id=\"".$line["cat_id"]."\" counter=\"".
1536 $line["unread"]."\"/>";
1537 }
1538 }
1539
1540 function getCategoryUnread($link, $cat) {
1541
1542 if ($cat != 0) {
1543 $cat_query = "cat_id = '$cat'";
1544 } else {
1545 $cat_query = "cat_id IS NULL";
1546 }
1547
1548 $result = db_query($link, "SELECT id FROM ttrss_feeds WHERE $cat_query
1549 AND hidden = false
1550 AND owner_uid = " . $_SESSION["uid"]);
1551
1552 $cat_feeds = array();
1553 while ($line = db_fetch_assoc($result)) {
1554 array_push($cat_feeds, "feed_id = " . $line["id"]);
1555 }
1556
1557 if (count($cat_feeds) == 0) return 0;
1558
1559 $match_part = implode(" OR ", $cat_feeds);
1560
1561 $result = db_query($link, "SELECT COUNT(int_id) AS unread
1562 FROM ttrss_user_entries
1563 WHERE unread = true AND ($match_part) AND owner_uid = " . $_SESSION["uid"]);
1564
1565 $unread = 0;
1566
1567 # this needs to be rewritten
1568 while ($line = db_fetch_assoc($result)) {
1569 $unread += $line["unread"];
1570 }
1571
1572 return $unread;
1573
1574 }
1575
1576 function getFeedUnread($link, $feed, $is_cat = false) {
1577 $n_feed = sprintf("%d", $feed);
1578
1579 if ($is_cat) {
1580 return getCategoryUnread($link, $n_feed);
1581 } else if ($n_feed == -1) {
1582 $match_part = "marked = true";
1583 } else if ($n_feed > 0) {
1584
1585 $result = db_query($link, "SELECT id FROM ttrss_feeds WHERE parent_feed = '$n_feed'
1586 AND hidden = false
1587 AND owner_uid = " . $_SESSION["uid"]);
1588
1589 if (db_num_rows($result) > 0) {
1590
1591 $linked_feeds = array();
1592 while ($line = db_fetch_assoc($result)) {
1593 array_push($linked_feeds, "feed_id = " . $line["id"]);
1594 }
1595
1596 $match_part = implode(" OR ", $linked_feeds);
1597
1598 $result = db_query($link, "SELECT COUNT(int_id) AS unread
1599 FROM ttrss_user_entries
1600 WHERE unread = true AND ($match_part) AND owner_uid = " . $_SESSION["uid"]);
1601
1602 $unread = 0;
1603
1604 # this needs to be rewritten
1605 while ($line = db_fetch_assoc($result)) {
1606 $unread += $line["unread"];
1607 }
1608
1609 return $unread;
1610
1611 } else {
1612 $match_part = "feed_id = '$n_feed'";
1613 }
1614 } else if ($feed < -10) {
1615
1616 $label_id = -$feed - 11;
1617
1618 $result = db_query($link, "SELECT sql_exp FROM ttrss_labels WHERE
1619 id = '$label_id' AND owner_uid = " . $_SESSION["uid"]);
1620
1621 $match_part = db_fetch_result($result, 0, "sql_exp");
1622 }
1623
1624 if ($match_part) {
1625
1626 $result = db_query($link, "SELECT count(int_id) AS unread
1627 FROM ttrss_user_entries,ttrss_feeds,ttrss_entries WHERE
1628 ttrss_user_entries.feed_id = ttrss_feeds.id AND
1629 ttrss_user_entries.ref_id = ttrss_entries.id AND
1630 ttrss_feeds.hidden = false AND
1631 unread = true AND ($match_part) AND ttrss_user_entries.owner_uid = " . $_SESSION["uid"]);
1632
1633 } else {
1634
1635 $result = db_query($link, "SELECT COUNT(post_int_id) AS unread
1636 FROM ttrss_tags,ttrss_user_entries
1637 WHERE tag_name = '$feed' AND post_int_id = int_id AND unread = true AND
1638 ttrss_tags.owner_uid = " . $_SESSION["uid"]);
1639 }
1640
1641 $unread = db_fetch_result($result, 0, "unread");
1642
1643 return $unread;
1644 }
1645
1646 /* FIXME this needs reworking */
1647
1648 function getGlobalUnread($link, $user_id = false) {
1649
1650 if (!$user_id) {
1651 $user_id = $_SESSION["uid"];
1652 }
1653
1654 $result = db_query($link, "SELECT count(ttrss_entries.id) as c_id FROM ttrss_entries,ttrss_user_entries,ttrss_feeds
1655 WHERE unread = true AND
1656 ttrss_user_entries.feed_id = ttrss_feeds.id AND
1657 ttrss_user_entries.ref_id = ttrss_entries.id AND
1658 hidden = false AND
1659 ttrss_user_entries.owner_uid = '$user_id'");
1660 $c_id = db_fetch_result($result, 0, "c_id");
1661 return $c_id;
1662 }
1663
1664 function getGlobalCounters($link, $global_unread = -1) {
1665 if ($global_unread == -1) {
1666 $global_unread = getGlobalUnread($link);
1667 }
1668 print "<counter type=\"global\" id='global-unread'
1669 counter='$global_unread'/>";
1670
1671 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
1672 ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
1673
1674 $subscribed_feeds = db_fetch_result($result, 0, "fn");
1675
1676 print "<counter type=\"global\" id='subscribed-feeds'
1677 counter='$subscribed_feeds'/>";
1678
1679 }
1680
1681 function getTagCounters($link, $smart_mode = SMART_RPC_COUNTERS) {
1682
1683 if ($smart_mode) {
1684 if (!$_SESSION["tctr_last_value"]) {
1685 $_SESSION["tctr_last_value"] = array();
1686 }
1687 }
1688
1689 $old_counters = $_SESSION["tctr_last_value"];
1690
1691 $tctrs_modified = false;
1692
1693 /* $result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count
1694 FROM ttrss_tags,ttrss_entries,ttrss_user_entries WHERE
1695 ttrss_user_entries.ref_id = ttrss_entries.id AND
1696 ttrss_tags.owner_uid = ".$_SESSION["uid"]." AND
1697 post_int_id = ttrss_user_entries.int_id AND unread = true GROUP BY tag_name
1698 UNION
1699 select tag_name,0 as count FROM ttrss_tags
1700 WHERE ttrss_tags.owner_uid = ".$_SESSION["uid"]); */
1701
1702 $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
1703 FROM ttrss_user_entries WHERE int_id = post_int_id
1704 AND unread = true)) AS count FROM ttrss_tags
1705 WHERE owner_uid = 2 GROUP BY tag_name ORDER BY tag_name");
1706
1707 $tags = array();
1708
1709 while ($line = db_fetch_assoc($result)) {
1710 $tags[$line["tag_name"]] += $line["count"];
1711 }
1712
1713 foreach (array_keys($tags) as $tag) {
1714 $unread = $tags[$tag];
1715
1716 $tag = htmlspecialchars($tag);
1717
1718 if (!$smart_mode || $old_counters[$tag] != $unread) {
1719 $old_counters[$tag] = $unread;
1720 $tctrs_modified = true;
1721 print "<counter type=\"tag\" id=\"$tag\" counter=\"$unread\"/>";
1722 }
1723
1724 }
1725
1726 if ($smart_mode && $tctrs_modified) {
1727 $_SESSION["tctr_last_value"] = $old_counters;
1728 }
1729
1730 }
1731
1732 function getLabelCounters($link, $smart_mode = SMART_RPC_COUNTERS, $ret_mode = false) {
1733
1734 if ($smart_mode) {
1735 if (!$_SESSION["lctr_last_value"]) {
1736 $_SESSION["lctr_last_value"] = array();
1737 }
1738 }
1739
1740 $ret_arr = array();
1741
1742 $old_counters = $_SESSION["lctr_last_value"];
1743 $lctrs_modified = false;
1744
1745 $result = db_query($link, "SELECT count(ttrss_entries.id) as count FROM ttrss_entries,ttrss_user_entries,ttrss_feeds
1746 WHERE marked = true AND ttrss_user_entries.ref_id = ttrss_entries.id AND
1747 ttrss_user_entries.feed_id = ttrss_feeds.id AND
1748 unread = true AND ttrss_user_entries.owner_uid = ".$_SESSION["uid"]);
1749
1750 $count = db_fetch_result($result, 0, "count");
1751
1752 if (!$ret_mode) {
1753 print "<counter type=\"label\" id=\"-1\" counter=\"$count\"/>";
1754 } else {
1755 $ret_arr["-1"]["counter"] = $count;
1756 $ret_arr["-1"]["description"] = "Starred";
1757 }
1758
1759 $result = db_query($link, "SELECT owner_uid,id,sql_exp,description FROM
1760 ttrss_labels WHERE owner_uid = ".$_SESSION["uid"]." ORDER by description");
1761
1762 while ($line = db_fetch_assoc($result)) {
1763
1764 $id = -$line["id"] - 11;
1765
1766 $label_name = $line["description"];
1767
1768 error_reporting (0);
1769
1770 $tmp_result = db_query($link, "SELECT count(ttrss_entries.id) as count FROM ttrss_user_entries,ttrss_entries,ttrss_feeds
1771 WHERE (" . $line["sql_exp"] . ") AND unread = true AND
1772 ttrss_feeds.hidden = false AND
1773 ttrss_user_entries.feed_id = ttrss_feeds.id AND
1774 ttrss_user_entries.ref_id = ttrss_entries.id AND
1775 ttrss_user_entries.owner_uid = ".$_SESSION["uid"]);
1776
1777 $count = db_fetch_result($tmp_result, 0, "count");
1778
1779 if (!$smart_mode || $old_counters[$id] != $count) {
1780 $old_counters[$id] = $count;
1781 $lctrs_modified = true;
1782 if (!$ret_mode) {
1783 print "<counter type=\"label\" id=\"$id\" counter=\"$count\"/>";
1784 } else {
1785 $ret_arr[$id]["counter"] = $count;
1786 $ret_arr[$id]["description"] = $label_name;
1787 }
1788 }
1789
1790 error_reporting (DEFAULT_ERROR_LEVEL);
1791 }
1792
1793 if ($smart_mode && $lctrs_modified) {
1794 $_SESSION["lctr_last_value"] = $old_counters;
1795 }
1796
1797 return $ret_arr;
1798 }
1799
1800 /* function getFeedCounter($link, $id) {
1801
1802 $result = db_query($link, "SELECT
1803 count(id) as count,last_error
1804 FROM ttrss_entries,ttrss_user_entries,ttrss_feeds
1805 WHERE feed_id = '$id' AND unread = true
1806 AND ttrss_user_entries.feed_id = ttrss_feeds.id
1807 AND ttrss_user_entries.ref_id = ttrss_entries.id");
1808
1809 $count = db_fetch_result($result, 0, "count");
1810 $last_error = htmlspecialchars(db_fetch_result($result, 0, "last_error"));
1811
1812 print "<counter type=\"feed\" id=\"$id\" counter=\"$count\" error=\"$last_error\"/>";
1813 } */
1814
1815 function getFeedCounters($link, $smart_mode = SMART_RPC_COUNTERS) {
1816
1817 if ($smart_mode) {
1818 if (!$_SESSION["fctr_last_value"]) {
1819 $_SESSION["fctr_last_value"] = array();
1820 }
1821 }
1822
1823 $old_counters = $_SESSION["fctr_last_value"];
1824
1825 $result = db_query($link, "SELECT id,last_error,parent_feed,
1826 SUBSTRING(last_updated,1,19) AS last_updated,
1827 (SELECT count(id)
1828 FROM ttrss_entries,ttrss_user_entries
1829 WHERE feed_id = ttrss_feeds.id AND
1830 ttrss_user_entries.ref_id = ttrss_entries.id
1831 AND unread = true AND owner_uid = ".$_SESSION["uid"].") as count
1832 FROM ttrss_feeds WHERE owner_uid = ".$_SESSION["uid"] . "
1833 AND parent_feed IS NULL");
1834
1835 $fctrs_modified = false;
1836
1837 $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
1838
1839 while ($line = db_fetch_assoc($result)) {
1840
1841 $id = $line["id"];
1842 $count = $line["count"];
1843 $last_error = htmlspecialchars($line["last_error"]);
1844
1845 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
1846 $last_updated = smart_date_time(strtotime($line["last_updated"]));
1847 } else {
1848 $last_updated = date($short_date, strtotime($line["last_updated"]));
1849 }
1850
1851 $has_img = is_file(ICONS_DIR . "/$id.ico");
1852
1853 $tmp_result = db_query($link,
1854 "SELECT id,COUNT(unread) AS unread
1855 FROM ttrss_feeds LEFT JOIN ttrss_user_entries
1856 ON (ttrss_feeds.id = ttrss_user_entries.feed_id)
1857 WHERE parent_feed = '$id' AND unread = true GROUP BY ttrss_feeds.id");
1858
1859 if (db_num_rows($tmp_result) > 0) {
1860 while ($l = db_fetch_assoc($tmp_result)) {
1861 $count += $l["unread"];
1862 }
1863 }
1864
1865 if (!$smart_mode || $old_counters[$id] != $count) {
1866 $old_counters[$id] = $count;
1867 $fctrs_modified = true;
1868
1869 if ($last_error) {
1870 $error_part = "error=\"$last_error\"";
1871 } else {
1872 $error_part = "";
1873 }
1874
1875 if ($has_img) {
1876 $has_img_part = "hi=\"$has_img\"";
1877 } else {
1878 $has_img_part = "";
1879 }
1880
1881 print "<counter type=\"feed\" id=\"$id\" counter=\"$count\" $has_img_part $error_part updated=\"$last_updated\"/>";
1882 }
1883 }
1884
1885 if ($smart_mode && $fctrs_modified) {
1886 $_SESSION["fctr_last_value"] = $old_counters;
1887 }
1888 }
1889
1890 function get_script_dt_add() {
1891 if (strpos(VERSION, "99") === false) {
1892 return VERSION;
1893 } else {
1894 return time();
1895 }
1896 }
1897
1898 function get_pgsql_version($link) {
1899 $result = db_query($link, "SELECT version() AS version");
1900 $version = split(" ", db_fetch_result($result, 0, "version"));
1901 return $version[1];
1902 }
1903
1904 function print_error_xml($code, $add_msg = "") {
1905 global $ERRORS;
1906
1907 $error_msg = $ERRORS[$code];
1908
1909 if ($add_msg) {
1910 $error_msg = "$error_msg; $add_msg";
1911 }
1912
1913 print "<rpc-reply>";
1914 print "<error error-code=\"$code\" error-msg=\"$error_msg\"/>";
1915 print "</rpc-reply>";
1916 }
1917
1918 function subscribe_to_feed($link, $feed_link, $cat_id = 0) {
1919
1920 $feed_link = preg_replace("/^feed://", "", $feed_link);
1921
1922 if ($cat_id == "0" || !$cat_id) {
1923 $cat_qpart = "NULL";
1924 } else {
1925 $cat_qpart = "'$cat_id'";
1926 }
1927
1928 $result = db_query($link,
1929 "SELECT id FROM ttrss_feeds
1930 WHERE feed_url = '$feed_link' AND owner_uid = ".$_SESSION["uid"]);
1931
1932 if (db_num_rows($result) == 0) {
1933
1934 $result = db_query($link,
1935 "INSERT INTO ttrss_feeds (owner_uid,feed_url,title,cat_id)
1936 VALUES ('".$_SESSION["uid"]."', '$feed_link',
1937 '[Unknown]', $cat_qpart)");
1938
1939 $result = db_query($link,
1940 "SELECT id FROM ttrss_feeds WHERE feed_url = '$feed_link'
1941 AND owner_uid = " . $_SESSION["uid"]);
1942
1943 $feed_id = db_fetch_result($result, 0, "id");
1944
1945 if ($feed_id) {
1946 update_rss_feed($link, $feed_link, $feed_id, true);
1947 }
1948
1949 return true;
1950 } else {
1951 return false;
1952 }
1953 }
1954
1955 function print_feed_select($link, $id, $default_id = "",
1956 $attributes = "", $include_all_feeds = true) {
1957
1958 print "<select id=\"$id\" name=\"$id\" $attributes>";
1959 if ($include_all_feeds) {
1960 print "<option value=\"0\">All feeds</option>";
1961 }
1962
1963 $result = db_query($link, "SELECT id,title FROM ttrss_feeds
1964 WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
1965
1966 if (db_num_rows($result) > 0 && $include_all_feeds) {
1967 print "<option disabled>--------</option>";
1968 }
1969
1970 while ($line = db_fetch_assoc($result)) {
1971 if ($line["id"] == $default_id) {
1972 $is_selected = "selected";
1973 } else {
1974 $is_selected = "";
1975 }
1976 printf("<option $is_selected value='%d'>%s</option>",
1977 $line["id"], htmlspecialchars(db_unescape_string($line["title"])));
1978 }
1979
1980 print "</select>";
1981 }
1982
1983 function print_feed_cat_select($link, $id, $default_id = "",
1984 $attributes = "", $include_all_cats = true) {
1985
1986 print "<select id=\"$id\" name=\"$id\" $attributes>";
1987
1988 if ($include_all_cats) {
1989 print "<option value=\"0\">Uncategorized</option>";
1990 }
1991
1992 $result = db_query($link, "SELECT id,title FROM ttrss_feed_categories
1993 WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
1994
1995 if (db_num_rows($result) > 0 && $include_all_cats) {
1996 print "<option disabled>--------</option>";
1997 }
1998
1999 while ($line = db_fetch_assoc($result)) {
2000 if ($line["id"] == $default_id) {
2001 $is_selected = "selected";
2002 } else {
2003 $is_selected = "";
2004 }
2005 printf("<option $is_selected value='%d'>%s</option>",
2006 $line["id"], htmlspecialchars(db_unescape_string($line["title"])));
2007 }
2008
2009 print "</select>";
2010 }
2011
2012 function checkbox_to_sql_bool($val) {
2013 return ($val == "on") ? "true" : "false";
2014 }
2015
2016 function getFeedCatTitle($link, $id) {
2017 if ($id == -1) {
2018 return "Special";
2019 } else if ($id < -10) {
2020 return "Labels";
2021 } else if ($id > 0) {
2022 $result = db_query($link, "SELECT ttrss_feed_categories.title
2023 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
2024 cat_id = ttrss_feed_categories.id");
2025 if (db_num_rows($result) == 1) {
2026 return db_fetch_result($result, 0, "title");
2027 } else {
2028 return "Uncategorized";
2029 }
2030 } else {
2031 return "getFeedCatTitle($id) failed";
2032 }
2033
2034 }
2035
2036 function getFeedTitle($link, $id) {
2037 if ($id == -1) {
2038 return "Starred articles";
2039 } else if ($id < -10) {
2040 $label_id = -10 - $id;
2041 $result = db_query($link, "SELECT description FROM ttrss_labels WHERE id = '$label_id'");
2042 if (db_num_rows($result) == 1) {
2043 return db_fetch_result($result, 0, "description");
2044 } else {
2045 return "Unknown label ($label_id)";
2046 }
2047
2048 } else if ($id > 0) {
2049 $result = db_query($link, "SELECT title FROM ttrss_feeds WHERE id = '$id'");
2050 if (db_num_rows($result) == 1) {
2051 return db_fetch_result($result, 0, "title");
2052 } else {
2053 return "Unknown feed ($id)";
2054 }
2055 } else {
2056 return "getFeedTitle($id) failed";
2057 }
2058
2059 }
2060
2061 function get_session_cookie_name() {
2062 return ((!defined('TTRSS_SESSION_NAME')) ? "ttrss_sid" : TTRSS_SESSION_NAME);
2063 }
2064
2065 function print_init_params($link) {
2066 print "<init-params>";
2067 if ($_SESSION["stored-params"]) {
2068 foreach (array_keys($_SESSION["stored-params"]) as $key) {
2069 if ($key) {
2070 $value = htmlspecialchars($_SESSION["stored-params"][$key]);
2071 print "<param key=\"$key\" value=\"$value\"/>";
2072 }
2073 }
2074 }
2075
2076 print "<param key=\"daemon_enabled\" value=\"" . ENABLE_UPDATE_DAEMON . "\"/>";
2077 print "<param key=\"feeds_frame_refresh\" value=\"" . FEEDS_FRAME_REFRESH . "\"/>";
2078 print "<param key=\"daemon_refresh_only\" value=\"" . DAEMON_REFRESH_ONLY . "\"/>";
2079
2080 print "<param key=\"on_catchup_show_next_feed\" value=\"" .
2081 get_pref($link, "ON_CATCHUP_SHOW_NEXT_FEED") . "\"/>";
2082
2083 print "<param key=\"hide_read_feeds\" value=\"" .
2084 sprintf("%d", get_pref($link, "HIDE_READ_FEEDS")) . "\"/>";
2085
2086 print "<param key=\"feeds_sort_by_unread\" value=\"" .
2087 sprintf("%d", get_pref($link, "FEEDS_SORT_BY_UNREAD")) . "\"/>";
2088
2089 print "<param key=\"confirm_feed_catchup\" value=\"" .
2090 sprintf("%d", get_pref($link, "CONFIRM_FEED_CATCHUP")) . "\"/>";
2091
2092 print "</init-params>";
2093 }
2094
2095 function print_runtime_info($link) {
2096 print "<runtime-info>";
2097 if (ENABLE_UPDATE_DAEMON) {
2098 print "<param key=\"daemon_is_running\" value=\"".
2099 sprintf("%d", file_is_locked("update_daemon.lock")) . "\"/>";
2100 }
2101 print "</runtime-info>";
2102 }
2103
2104 function getSearchSql($search, $match_on) {
2105
2106 $search_query_part = "";
2107
2108 $keywords = split(" ", $search);
2109 $query_keywords = array();
2110
2111 if ($match_on == "both") {
2112
2113 foreach ($keywords as $k) {
2114 array_push($query_keywords, "(UPPER(ttrss_entries.title) LIKE UPPER('%$k%')
2115 OR UPPER(ttrss_entries.content) LIKE UPPER('%$k%'))");
2116 }
2117
2118 $search_query_part = implode("AND", $query_keywords) . " AND ";
2119
2120 } else if ($match_on == "title") {
2121
2122 foreach ($keywords as $k) {
2123 array_push($query_keywords, "(UPPER(ttrss_entries.title) LIKE UPPER('%$k%'))");
2124 }
2125
2126 $search_query_part = implode("AND", $query_keywords) . " AND ";
2127
2128 } else if ($match_on == "content") {
2129
2130 foreach ($keywords as $k) {
2131 array_push($query_keywords, "(UPPER(ttrss_entries.content) LIKE UPPER('%$k%'))");
2132 }
2133 }
2134
2135 $search_query_part = implode("AND", $query_keywords);
2136
2137 return $search_query_part;
2138 }
2139
2140 function queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view, $search, $search_mode, $match_on, $override_order = false) {
2141 if ($search) {
2142
2143 $search_query_part = getSearchSql($search, $match_on);
2144 $search_query_part .= " AND ";
2145
2146 } else {
2147 $search_query_part = "";
2148 }
2149
2150 $view_query_part = "";
2151
2152 if ($view_mode == "adaptive") {
2153 if ($search) {
2154 $view_query_part = " ";
2155 } else if ($feed != -1) {
2156 $unread = getFeedUnread($link, $feed, $cat_view);
2157 if ($unread > 0) {
2158 $view_query_part = " unread = true AND ";
2159 }
2160 }
2161 }
2162
2163 if ($view_mode == "marked") {
2164 $view_query_part = " marked = true AND ";
2165 }
2166
2167 if ($view_mode == "unread") {
2168 $view_query_part = " unread = true AND ";
2169 }
2170
2171 if ($limit > 0) {
2172 $limit_query_part = "LIMIT " . $limit;
2173 }
2174
2175 $vfeed_query_part = "";
2176
2177 // override query strategy and enable feed display when searching globally
2178 if ($search && $search_mode == "all_feeds") {
2179 $query_strategy_part = "ttrss_entries.id > 0";
2180 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2181 } else if (preg_match("/^-?[0-9][0-9]*$/", $feed) == false) {
2182 $query_strategy_part = "ttrss_entries.id > 0";
2183 $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
2184 id = feed_id) as feed_title,";
2185 } else if ($feed >= 0 && $search && $search_mode == "this_cat") {
2186
2187 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2188
2189 $tmp_result = false;
2190
2191 if ($cat_view) {
2192 $tmp_result = db_query($link, "SELECT id
2193 FROM ttrss_feeds WHERE cat_id = '$feed'");
2194 } else {
2195 $tmp_result = db_query($link, "SELECT id
2196 FROM ttrss_feeds WHERE cat_id = (SELECT cat_id FROM ttrss_feeds
2197 WHERE id = '$feed') AND id != '$feed'");
2198 }
2199
2200 $cat_siblings = array();
2201
2202 if (db_num_rows($tmp_result) > 0) {
2203 while ($p = db_fetch_assoc($tmp_result)) {
2204 array_push($cat_siblings, "feed_id = " . $p["id"]);
2205 }
2206
2207 $query_strategy_part = sprintf("(feed_id = %d OR %s)",
2208 $feed, implode(" OR ", $cat_siblings));
2209
2210 } else {
2211 $query_strategy_part = "ttrss_entries.id > 0";
2212 }
2213
2214 } else if ($feed >= 0) {
2215
2216 if ($cat_view) {
2217
2218 if ($feed > 0) {
2219 $query_strategy_part = "cat_id = '$feed'";
2220 } else {
2221 $query_strategy_part = "cat_id IS NULL";
2222 }
2223
2224 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2225
2226 } else {
2227 $tmp_result = db_query($link, "SELECT id
2228 FROM ttrss_feeds WHERE parent_feed = '$feed'
2229 ORDER BY cat_id,title");
2230
2231 $parent_ids = array();
2232
2233 if (db_num_rows($tmp_result) > 0) {
2234 while ($p = db_fetch_assoc($tmp_result)) {
2235 array_push($parent_ids, "feed_id = " . $p["id"]);
2236 }
2237
2238 $query_strategy_part = sprintf("(feed_id = %d OR %s)",
2239 $feed, implode(" OR ", $parent_ids));
2240
2241 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2242 } else {
2243 $query_strategy_part = "feed_id = '$feed'";
2244 }
2245 }
2246 } else if ($feed == -1) { // starred virtual feed
2247 $query_strategy_part = "marked = true";
2248 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2249 } else if ($feed <= -10) { // labels
2250 $label_id = -$feed - 11;
2251
2252 $tmp_result = db_query($link, "SELECT sql_exp FROM ttrss_labels
2253 WHERE id = '$label_id'");
2254
2255 $query_strategy_part = db_fetch_result($tmp_result, 0, "sql_exp");
2256
2257 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2258 } else {
2259 $query_strategy_part = "id > 0"; // dumb
2260 }
2261
2262 if (get_pref($link, 'REVERSE_HEADLINES')) {
2263 $order_by = "updated";
2264 } else {
2265 $order_by = "updated DESC";
2266 }
2267
2268 if ($override_order) {
2269 $order_by = $override_order;
2270 }
2271
2272 $feed_title = "";
2273
2274 if ($search && $search_mode == "all_feeds") {
2275 $feed_title = "Global search results ($search)";
2276 } else if ($search && preg_match('/^-?[0-9][0-9]*$/', $feed) == false) {
2277 $feed_title = "Tag search results ($search, $feed)";
2278 } else if (preg_match('/^-?[0-9][0-9]*$/', $feed) == false) {
2279 $feed_title = $feed;
2280 } else if (preg_match('/^-?[0-9][0-9]*$/', $feed) != false && $feed >= 0) {
2281
2282 if ($cat_view) {
2283
2284 if ($feed != 0) {
2285 $result = db_query($link, "SELECT title FROM ttrss_feed_categories
2286 WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
2287 $feed_title = db_fetch_result($result, 0, "title");
2288 } else {
2289 $feed_title = "Uncategorized";
2290 }
2291
2292 if ($search) {
2293 $feed_title = "Category search results ($search, $feed_title)";
2294 }
2295
2296 } else {
2297
2298 $result = db_query($link, "SELECT title,site_url,last_error FROM ttrss_feeds
2299 WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
2300
2301 $feed_title = db_fetch_result($result, 0, "title");
2302 $feed_site_url = db_fetch_result($result, 0, "site_url");
2303 $last_error = db_fetch_result($result, 0, "last_error");
2304
2305 if ($search) {
2306 $feed_title = "Feed search results ($search, $feed_title)";
2307 }
2308 }
2309
2310 } else if ($feed == -1) {
2311 $feed_title = "Starred articles";
2312 } else if ($feed < -10) {
2313 $label_id = -$feed - 11;
2314 $result = db_query($link, "SELECT description FROM ttrss_labels
2315 WHERE id = '$label_id'");
2316 $feed_title = db_fetch_result($result, 0, "description");
2317
2318 if ($search) {
2319 $feed_title = "Label search results ($search, $feed_title)";
2320 }
2321 } else {
2322 $feed_title = "?";
2323 }
2324
2325 $feed_title = db_unescape_string($feed_title);
2326
2327 if ($feed < -10) error_reporting (0);
2328
2329 if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
2330
2331 if ($feed >= 0) {
2332 $feed_kind = "Feeds";
2333 } else {
2334 $feed_kind = "Labels";
2335 }
2336
2337 $content_query_part = "content as content_preview,";
2338
2339 $query = "SELECT
2340 ttrss_entries.id,ttrss_entries.title,
2341 SUBSTRING(updated,1,16) as updated,
2342 unread,feed_id,marked,link,last_read,
2343 SUBSTRING(last_read,1,19) as last_read_noms,
2344 $vfeed_query_part
2345 $content_query_part
2346 SUBSTRING(updated,1,19) as updated_noms
2347 FROM
2348 ttrss_entries,ttrss_user_entries,ttrss_feeds
2349 WHERE
2350 ttrss_feeds.hidden = false AND
2351 ttrss_user_entries.feed_id = ttrss_feeds.id AND
2352 ttrss_user_entries.ref_id = ttrss_entries.id AND
2353 ttrss_user_entries.owner_uid = '".$_SESSION["uid"]."' AND
2354 $search_query_part
2355 $view_query_part
2356 $query_strategy_part ORDER BY $order_by
2357 $limit_query_part";
2358
2359 $result = db_query($link, $query);
2360
2361 if ($_GET["debug"]) print $query;
2362
2363 } else {
2364 // browsing by tag
2365
2366 $feed_kind = "Tags";
2367
2368 $result = db_query($link, "SELECT
2369 ttrss_entries.id as id,title,
2370 SUBSTRING(updated,1,16) as updated,
2371 unread,feed_id,
2372 marked,link,last_read,
2373 SUBSTRING(last_read,1,19) as last_read_noms,
2374 $vfeed_query_part
2375 $content_query_part
2376 SUBSTRING(updated,1,19) as updated_noms
2377 FROM
2378 ttrss_entries,ttrss_user_entries,ttrss_tags
2379 WHERE
2380 ref_id = ttrss_entries.id AND
2381 ttrss_user_entries.owner_uid = '".$_SESSION["uid"]."' AND
2382 post_int_id = int_id AND tag_name = '$feed' AND
2383 $view_query_part
2384 $search_query_part
2385 $query_strategy_part ORDER BY $order_by
2386 $limit_query_part");
2387 }
2388
2389 return array($result, $feed_title, $feed_site_url, $last_error);
2390
2391 }
2392
2393 function generate_syndicated_feed($link, $feed, $is_cat,
2394 $search, $search_mode, $match_on) {
2395
2396 $qfh_ret = queryFeedHeadlines($link, $feed,
2397 30, false, $is_cat, $search, $search_mode, $match_on, "updated DESC");
2398
2399 $result = $qfh_ret[0];
2400 $feed_title = htmlspecialchars($qfh_ret[1]);
2401 $feed_site_url = $qfh_ret[2];
2402 $last_error = $qfh_ret[3];
2403
2404 print "<rss version=\"2.0\">
2405 <channel>
2406 <title>$feed_title</title>
2407 <link>$feed_site_url</link>
2408 <generator>Tiny Tiny RSS v".VERSION."</generator>";
2409
2410 while ($line = db_fetch_assoc($result)) {
2411 print "<item>";
2412 print "<link>" . htmlspecialchars($line["link"]) . "</link>";
2413
2414 $rfc822_date = date('r', strtotime($line["updated"]));
2415
2416 print "<pubDate>$rfc822_date</pubDate>";
2417
2418 print "<title>" .
2419 htmlspecialchars($line["title"]) . "</title>";
2420
2421 print "<description>" .
2422 htmlspecialchars($line["content_preview"]) . "</description>";
2423
2424 print "</item>";
2425 }
2426
2427 print "</channel></rss>";
2428
2429 }
2430
2431 function getCategoryTitle($link, $cat_id) {
2432
2433 $result = db_query($link, "SELECT title FROM ttrss_feed_categories WHERE
2434 id = '$cat_id'");
2435
2436 if (db_num_rows($result) == 1) {
2437 return db_fetch_result($result, 0, "title");
2438 } else {
2439 return "Uncategorized";
2440 }
2441 }
2442
2443 function sanitize_rss($str) {
2444 $res = "";
2445
2446 $res = preg_replace('/<script.*?>/i',
2447 "<p class=\"scriptWarn\">", $str);
2448
2449 $res = preg_replace('/<\/script>/i',
2450 "</p>", $res);
2451
2452 return $res;
2453 }
2454
2455 function send_headlines_digests($link, $limit = 100) {
2456
2457 if (!DIGEST_ENABLE) return false;
2458
2459 $user_limit = DIGEST_EMAIL_LIMIT;
2460 $days = DIGEST_DAYS_BACK;
2461
2462 print "Sending digests, batch of max $user_limit users, days = $days, headline limit = $limit\n\n";
2463
2464 if (DB_TYPE == "pgsql") {
2465 $interval_query = "last_digest_sent < NOW() - INTERVAL '$days days'";
2466 } else if (DB_TYPE == "mysql") {
2467 $interval_query = "last_digest_sent < DATE_SUB(NOW(), INTERVAL $days DAY)";
2468 }
2469
2470 $result = db_query($link, "SELECT id,email FROM ttrss_users
2471 WHERE email != '' AND (last_digest_sent IS NULL OR $interval_query)");
2472
2473 while ($line = db_fetch_assoc($result)) {
2474 if (get_pref($link, 'DIGEST_ENABLE', $line['id'], false)) {
2475 print "Sending digest for UID:" . $line['id'] . " - " . $line["email"] . " ... ";
2476
2477 $tuple = prepare_headlines_digest($link, $line["id"], $days, $limit);
2478 $digest = $tuple[0];
2479 $headlines_count = $tuple[1];
2480
2481 if ($headlines_count > 0) {
2482 $rc = mail($line["login"] . " <" . $line["email"] . ">",
2483 "[tt-rss] New headlines for last 24 hours", $digest,
2484 "From: " . MAIL_FROM . "\n".
2485 "Content-Type: text/plain; charset=\"utf-8\"\n".
2486 "Content-Transfer-Encoding: 8bit\n");
2487 print "RC=$rc\n";
2488 db_query($link, "UPDATE ttrss_users SET last_digest_sent = NOW()
2489 WHERE id = " . $line["id"]);
2490 } else {
2491 print "No headlines\n";
2492 }
2493 }
2494 }
2495
2496 // $digest = prepare_headlines_digest($link, $user_id, $days, $limit);
2497
2498 }
2499
2500 function prepare_headlines_digest($link, $user_id, $days = 1, $limit = 100) {
2501 $tmp = "New headlines for last 24 hours, as of " . date("Y/m/d H:m") . "\n";
2502 $tmp .= "=======================================================\n\n";
2503
2504 if (DB_TYPE == "pgsql") {
2505 $interval_query = "ttrss_entries.date_entered > NOW() - INTERVAL '$days days'";
2506 } else if (DB_TYPE == "mysql") {
2507 $interval_query = "ttrss_entries.date_entered > DATE_SUB(NOW(), INTERVAL $days DAY)";
2508 }
2509
2510 $result = db_query($link, "SELECT ttrss_entries.title,
2511 ttrss_feeds.title AS feed_title,
2512 date_entered,
2513 link,
2514 SUBSTRING(last_updated,1,19) AS last_updated
2515 FROM
2516 ttrss_user_entries,ttrss_entries,ttrss_feeds
2517 WHERE
2518 ref_id = ttrss_entries.id AND feed_id = ttrss_feeds.id
2519 AND include_in_digest = true
2520 AND $interval_query
2521 AND ttrss_user_entries.owner_uid = $user_id
2522 AND unread = true ORDER BY ttrss_feeds.title, date_entered DESC
2523 LIMIT $limit");
2524
2525 $cur_feed_title = "";
2526
2527 $headlines_count = db_num_rows($result);
2528
2529 while ($line = db_fetch_assoc($result)) {
2530 $updated = smart_date_time(strtotime($line["last_updated"]));
2531 $feed_title = $line["feed_title"];
2532
2533 if ($cur_feed_title != $feed_title) {
2534 $cur_feed_title = $feed_title;
2535
2536 $tmp .= "$feed_title\n\n";
2537 }
2538
2539 $tmp .= " * " . trim($line["title"]) . " - $updated\n";
2540 $tmp .= " " . trim($line["link"]) . "\n";
2541 $tmp .= "\n";
2542 }
2543
2544 $tmp .= "--- \n";
2545 $tmp .= "You have been sent this email because you have enabled daily digests in Tiny Tiny RSS at " .
2546 DIGEST_HOSTNAME . "\n".
2547 "To unsubscribe, visit your configuration options or contact instance owner.\n";
2548
2549
2550 return array($tmp, $headlines_count);
2551 }
2552
2553 function check_for_update($link) {
2554 $releases_feed = "http://tt-rss.spb.ru/releases.rss";
2555
2556 if (!CHECK_FOR_NEW_VERSION || $_SESSION["access_level"] < 10) {
2557 return;
2558 }
2559
2560 error_reporting(0);
2561 $rss = fetch_rss($releases_feed);
2562 error_reporting (DEFAULT_ERROR_LEVEL);
2563
2564 if ($rss) {
2565
2566 $items = $rss->items;
2567
2568 if (!$items || !is_array($items)) $items = $rss->entries;
2569 if (!$items || !is_array($items)) $items = $rss;
2570
2571 if (!is_array($items) || count($items) == 0) {
2572 return;
2573 }
2574
2575 $latest_item = $items[0];
2576
2577 $latest_version = trim(preg_replace("/(Milestone)|(completed)/", "", $latest_item["title"]));
2578
2579 $release_url = sanitize_rss($latest_item["link"]);
2580 $content = sanitize_rss($latest_item["description"]);
2581
2582 if (version_compare(VERSION, $latest_version) == -1) {
2583 return "<div class=\"notice\"><a href=\"javascript:showBlockElement('milestoneDetails')\">
2584 New version of Tiny-Tiny RSS ($latest_version) is available (click for details)</a>
2585 <div id=\"milestoneDetails\">$content</div></div>";
2586 }
2587 }
2588 }
2589 ?>
web-based news feed (RSS/Atom) reader and aggregator; see https://tt-rss.org/