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[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', $user_id, false);
182 }
183
184 if ($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 = $item["link"];
494 if (!$entry_guid) $entry_guid = make_guid_from_title($item["title"]);
495
496 if (!$entry_guid) continue;
497
498 $entry_timestamp = "";
499
500 $rss_2_date = $item['pubdate'];
501 $rss_1_date = $item['dc']['date'];
502 $atom_date = $item['issued'];
503 if (!$atom_date) $atom_date = $item['updated'];
504
505 if ($atom_date != "") $entry_timestamp = parse_w3cdtf($atom_date);
506 if ($rss_1_date != "") $entry_timestamp = parse_w3cdtf($rss_1_date);
507 if ($rss_2_date != "") $entry_timestamp = strtotime($rss_2_date);
508
509 if ($entry_timestamp == "") {
510 $entry_timestamp = time();
511 $no_orig_date = 'true';
512 } else {
513 $no_orig_date = 'false';
514 }
515
516 $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
517
518 $entry_title = trim(strip_tags($item["title"]));
519
520 // strange Magpie workaround
521 $entry_link = $item["link_"];
522 if (!$entry_link) $entry_link = $item["link"];
523
524 if (!$entry_title) continue;
525 # if (!$entry_link) continue;
526
527 $entry_link = strip_tags($entry_link);
528
529 $entry_content = $item["content:escaped"];
530
531 if (!$entry_content) $entry_content = $item["content:encoded"];
532 if (!$entry_content) $entry_content = $item["content"];
533 if (!$entry_content) $entry_content = $item["atom_content"];
534 if (!$entry_content) $entry_content = $item["summary"];
535 if (!$entry_content) $entry_content = $item["description"];
536
537 // if (!$entry_content) continue;
538
539 // WTF
540 if (is_array($entry_content)) {
541 $entry_content = $entry_content["encoded"];
542 if (!$entry_content) $entry_content = $entry_content["escaped"];
543 }
544
545 // print_r($item);
546 // print_r(htmlspecialchars($entry_content));
547 // print "<br>";
548
549 $entry_content_unescaped = $entry_content;
550 $content_hash = "SHA1:" . sha1(strip_tags($entry_content));
551
552 $entry_comments = strip_tags($item["comments"]);
553
554 $entry_author = db_escape_string(strip_tags($item['dc']['creator']));
555 $entry_guid = db_escape_string(strip_tags($entry_guid));
556
557 $result = db_query($link, "SELECT id FROM ttrss_entries
558 WHERE guid = '$entry_guid'");
559
560 $entry_content = db_escape_string($entry_content);
561 $entry_title = db_escape_string($entry_title);
562 $entry_link = db_escape_string($entry_link);
563 $entry_comments = db_escape_string($entry_comments);
564
565 $num_comments = db_escape_string($item["slash"]["comments"]);
566
567 if (!$num_comments) $num_comments = 0;
568 }
569
570 # sanitize content
571
572 $entry_content = sanitize_rss($entry_content);
573
574 db_query($link, "BEGIN");
575
576 if (db_num_rows($result) == 0) {
577
578 // base post entry does not exist, create it
579
580 $result = db_query($link,
581 "INSERT INTO ttrss_entries
582 (title,
583 guid,
584 link,
585 updated,
586 content,
587 content_hash,
588 no_orig_date,
589 date_entered,
590 comments,
591 num_comments,
592 author)
593 VALUES
594 ('$entry_title',
595 '$entry_guid',
596 '$entry_link',
597 '$entry_timestamp_fmt',
598 '$entry_content',
599 '$content_hash',
600 $no_orig_date,
601 NOW(),
602 '$entry_comments',
603 '$num_comments',
604 '$entry_author')");
605 } else {
606 // we keep encountering the entry in feeds, so we need to
607 // update date_entered column so that we don't get horrible
608 // dupes when the entry gets purged and reinserted again e.g.
609 // in the case of SLOW SLOW OMG SLOW updating feeds
610
611 $base_entry_id = db_fetch_result($result, 0, "id");
612
613 db_query($link, "UPDATE ttrss_entries SET date_entered = NOW()
614 WHERE id = '$base_entry_id'");
615 }
616
617 // now it should exist, if not - bad luck then
618
619 $result = db_query($link, "SELECT
620 id,content_hash,no_orig_date,title,
621 substring(date_entered,1,19) as date_entered,
622 substring(updated,1,19) as updated,
623 num_comments
624 FROM
625 ttrss_entries
626 WHERE guid = '$entry_guid'");
627
628 if (db_num_rows($result) == 1) {
629
630 // this will be used below in update handler
631 $orig_content_hash = db_fetch_result($result, 0, "content_hash");
632 $orig_title = db_fetch_result($result, 0, "title");
633 $orig_num_comments = db_fetch_result($result, 0, "num_comments");
634 $orig_date_entered = strtotime(db_fetch_result($result,
635 0, "date_entered"));
636
637 $ref_id = db_fetch_result($result, 0, "id");
638
639 // check for user post link to main table
640
641 // do we allow duplicate posts with same GUID in different feeds?
642 if (get_pref($link, "ALLOW_DUPLICATE_POSTS", $owner_uid, false)) {
643 $dupcheck_qpart = "AND feed_id = '$feed'";
644 } else {
645 $dupcheck_qpart = "";
646 }
647
648 // error_reporting(0);
649
650 $filter_name = get_filter_name($entry_title, $entry_content,
651 $entry_link, $filters);
652
653 if ($filter_name == "filter") {
654 continue;
655 }
656
657 // error_reporting (DEFAULT_ERROR_LEVEL);
658
659 $result = db_query($link,
660 "SELECT ref_id FROM ttrss_user_entries WHERE
661 ref_id = '$ref_id' AND owner_uid = '$owner_uid'
662 $dupcheck_qpart");
663
664 // okay it doesn't exist - create user entry
665 if (db_num_rows($result) == 0) {
666
667 if ($filter_name != 'catchup') {
668 $unread = 'true';
669 $last_read_qpart = 'NULL';
670 } else {
671 $unread = 'false';
672 $last_read_qpart = 'NOW()';
673 }
674
675 if ($filter_name == 'mark') {
676 $marked = 'true';
677 } else {
678 $marked = 'false';
679 }
680
681 $result = db_query($link,
682 "INSERT INTO ttrss_user_entries
683 (ref_id, owner_uid, feed_id, unread, last_read, marked)
684 VALUES ('$ref_id', '$owner_uid', '$feed', $unread,
685 $last_read_qpart, $marked)");
686 }
687
688 $post_needs_update = false;
689
690 if (get_pref($link, "UPDATE_POST_ON_CHECKSUM_CHANGE", $owner_uid, false) &&
691 ($content_hash != $orig_content_hash)) {
692 $post_needs_update = true;
693 }
694
695 if ($orig_title != $entry_title) {
696 $post_needs_update = true;
697 }
698
699 if ($orig_num_comments != $num_comments) {
700 $post_needs_update = true;
701 }
702
703 // this doesn't seem to be very reliable
704 //
705 // if ($orig_timestamp != $entry_timestamp && !$orig_no_orig_date) {
706 // $post_needs_update = true;
707 // }
708
709 // if post needs update, update it and mark all user entries
710 // linking to this post as updated
711 if ($post_needs_update) {
712
713 // print "<!-- post $orig_title needs update : $post_needs_update -->";
714
715 db_query($link, "UPDATE ttrss_entries
716 SET title = '$entry_title', content = '$entry_content',
717 num_comments = '$num_comments'
718 WHERE id = '$ref_id'");
719
720 if (get_pref($link, "MARK_UNREAD_ON_UPDATE", $owner_uid, false)) {
721 db_query($link, "UPDATE ttrss_user_entries
722 SET last_read = null, unread = true WHERE ref_id = '$ref_id'");
723 } else {
724 db_query($link, "UPDATE ttrss_user_entries
725 SET last_read = null WHERE ref_id = '$ref_id' AND unread = false");
726 }
727
728 }
729 }
730
731 db_query($link, "COMMIT");
732
733 /* taaaags */
734 // <a href="http://technorati.com/tag/Xorg" rel="tag">Xorg</a>, //
735
736 $entry_tags = null;
737
738 preg_match_all("/<a.*?href=.http:\/\/.*?technorati.com\/tag\/([^\"\'>]+)/i",
739 $entry_content_unescaped, $entry_tags);
740
741 // print "<br>$entry_title : $entry_content_unescaped<br>";
742 // print_r($entry_tags);
743 // print "<br>";
744
745 $entry_tags = $entry_tags[1];
746
747 if (count($entry_tags) > 0) {
748
749 db_query($link, "BEGIN");
750
751 $result = db_query($link, "SELECT id,int_id
752 FROM ttrss_entries,ttrss_user_entries
753 WHERE guid = '$entry_guid'
754 AND feed_id = '$feed' AND ref_id = id
755 AND owner_uid = '$owner_uid'");
756
757 if (db_num_rows($result) == 1) {
758
759 $entry_id = db_fetch_result($result, 0, "id");
760 $entry_int_id = db_fetch_result($result, 0, "int_id");
761
762 foreach ($entry_tags as $tag) {
763 $tag = db_escape_string(strtolower($tag));
764
765 $tag = str_replace("+", " ", $tag);
766 $tag = str_replace("technorati tag: ", "", $tag);
767
768 $result = db_query($link, "SELECT id FROM ttrss_tags
769 WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND
770 owner_uid = '$owner_uid' LIMIT 1");
771
772 // print db_fetch_result($result, 0, "id");
773
774 if ($result && db_num_rows($result) == 0) {
775
776 // print "tagging $entry_id as $tag<br>";
777
778 db_query($link, "INSERT INTO ttrss_tags
779 (owner_uid,tag_name,post_int_id)
780 VALUES ('$owner_uid','$tag', '$entry_int_id')");
781 }
782 }
783 }
784 db_query($link, "COMMIT");
785 }
786 }
787
788 db_query($link, "UPDATE ttrss_feeds
789 SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
790
791 // db_query($link, "COMMIT");
792
793 } else {
794 $error_msg = db_escape_string(magpie_error());
795 db_query($link,
796 "UPDATE ttrss_feeds SET last_error = '$error_msg',
797 last_updated = NOW() WHERE id = '$feed'");
798 }
799
800 }
801
802 function print_select($id, $default, $values, $attributes = "") {
803 print "<select name=\"$id\" id=\"$id\" $attributes>";
804 foreach ($values as $v) {
805 if ($v == $default)
806 $sel = " selected";
807 else
808 $sel = "";
809
810 print "<option$sel>$v</option>";
811 }
812 print "</select>";
813 }
814
815 function print_select_hash($id, $default, $values, $attributes = "") {
816 print "<select name=\"$id\" id='$id' $attributes>";
817 foreach (array_keys($values) as $v) {
818 if ($v == $default)
819 $sel = "selected";
820 else
821 $sel = "";
822
823 print "<option $sel value=\"$v\">".$values[$v]."</option>";
824 }
825
826 print "</select>";
827 }
828
829 function get_filter_name($title, $content, $link, $filters) {
830
831 if ($filters["title"]) {
832 foreach ($filters["title"] as $filter) {
833 $reg_exp = $filter["reg_exp"];
834 if (preg_match("/$reg_exp/i", $title)) {
835 return $filter["action"];
836 }
837 }
838 }
839
840 if ($filters["content"]) {
841 foreach ($filters["content"] as $filter) {
842 $reg_exp = $filter["reg_exp"];
843 if (preg_match("/$reg_exp/i", $content)) {
844 return $filter["action"];
845 }
846 }
847 }
848
849 if ($filters["both"]) {
850 foreach ($filters["both"] as $filter) {
851 $reg_exp = $filter["reg_exp"];
852 if (preg_match("/$reg_exp/i", $title) ||
853 preg_match("/$reg_exp/i", $content)) {
854 return $filter["action"];
855 }
856 }
857 }
858
859 if ($filters["link"]) {
860 $reg_exp = $filter["reg_exp"];
861 foreach ($filters["link"] as $filter) {
862 $reg_exp = $filter["reg_exp"];
863 if (preg_match("/$reg_exp/i", $link)) {
864 return $filter["action"];
865 }
866 }
867 }
868
869 return false;
870 }
871
872 function printFeedEntry($feed_id, $class, $feed_title, $unread, $icon_file, $link,
873 $rtl_content = false, $last_updated = false, $last_error = false) {
874
875 if (file_exists($icon_file) && filesize($icon_file) > 0) {
876 $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"$icon_file\">";
877 } else {
878 $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"images/blank_icon.gif\">";
879 }
880
881 if ($rtl_content) {
882 $rtl_tag = "dir=\"rtl\"";
883 } else {
884 $rtl_tag = "dir=\"ltr\"";
885 }
886
887 $error_notify_msg = "";
888
889 if ($last_error) {
890 $link_title = "Error: $last_error ($last_updated)";
891 $error_notify_msg = "(Error)";
892 } else if ($last_updated) {
893 $link_title = "Updated: $last_updated";
894 }
895
896 $feed = "<a title=\"$link_title\" id=\"FEEDL-$feed_id\" href=\"javascript:viewfeed('$feed_id', '', false);\">$feed_title</a>";
897
898 print "<li id=\"FEEDR-$feed_id\" class=\"$class\">";
899 if (get_pref($link, 'ENABLE_FEED_ICONS')) {
900 print "$feed_icon";
901 }
902
903 print "<span $rtl_tag id=\"FEEDN-$feed_id\">$feed</span>";
904
905 if ($unread != 0) {
906 $fctr_class = "";
907 } else {
908 $fctr_class = "class=\"invisible\"";
909 }
910
911 print " <span $rtl_tag $fctr_class id=\"FEEDCTR-$feed_id\">
912 (<span id=\"FEEDU-$feed_id\">$unread</span>)</span>";
913
914 if (get_pref($link, "EXTENDED_FEEDLIST")) {
915 print "<div class=\"feedExtInfo\">
916 <span id=\"FLUPD-$feed_id\">$last_updated $error_notify_msg</span></div>";
917 }
918
919 print "</li>";
920
921 }
922
923 function getmicrotime() {
924 list($usec, $sec) = explode(" ",microtime());
925 return ((float)$usec + (float)$sec);
926 }
927
928 function print_radio($id, $default, $values, $attributes = "") {
929 foreach ($values as $v) {
930
931 if ($v == $default)
932 $sel = "checked";
933 else
934 $sel = "";
935
936 if ($v == "Yes") {
937 $sel .= " value=\"1\"";
938 } else {
939 $sel .= " value=\"0\"";
940 }
941
942 print "<input class=\"noborder\"
943 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
944
945 }
946 }
947
948 function initialize_user_prefs($link, $uid) {
949
950 $uid = db_escape_string($uid);
951
952 db_query($link, "BEGIN");
953
954 $result = db_query($link, "SELECT pref_name,def_value FROM ttrss_prefs");
955
956 $u_result = db_query($link, "SELECT pref_name
957 FROM ttrss_user_prefs WHERE owner_uid = '$uid'");
958
959 $active_prefs = array();
960
961 while ($line = db_fetch_assoc($u_result)) {
962 array_push($active_prefs, $line["pref_name"]);
963 }
964
965 while ($line = db_fetch_assoc($result)) {
966 if (array_search($line["pref_name"], $active_prefs) === FALSE) {
967 // print "adding " . $line["pref_name"] . "<br>";
968
969 db_query($link, "INSERT INTO ttrss_user_prefs
970 (owner_uid,pref_name,value) VALUES
971 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
972
973 }
974 }
975
976 db_query($link, "COMMIT");
977
978 }
979
980 function lookup_user_id($link, $user) {
981
982 $result = db_query($link, "SELECT id FROM ttrss_users WHERE
983 login = '$login'");
984
985 if (db_num_rows($result) == 1) {
986 return db_fetch_result($result, 0, "id");
987 } else {
988 return false;
989 }
990 }
991
992 function http_authenticate_user($link) {
993
994 if (!$_SERVER["PHP_AUTH_USER"]) {
995
996 header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
997 header('HTTP/1.0 401 Unauthorized');
998 exit;
999
1000 } else {
1001 $auth_result = authenticate_user($link,
1002 $_SERVER["PHP_AUTH_USER"], $_SERVER["PHP_AUTH_PW"]);
1003
1004 if (!$auth_result) {
1005 header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1006 header('HTTP/1.0 401 Unauthorized');
1007 exit;
1008 }
1009 }
1010
1011 return true;
1012 }
1013
1014 function authenticate_user($link, $login, $password, $force_auth = false) {
1015
1016 if (!SINGLE_USER_MODE) {
1017
1018 $pwd_hash = 'SHA1:' . sha1($password);
1019
1020 if ($force_auth && defined('_DEBUG_USER_SWITCH')) {
1021 $query = "SELECT id,login,access_level
1022 FROM ttrss_users WHERE
1023 login = '$login'";
1024 } else {
1025 $query = "SELECT id,login,access_level
1026 FROM ttrss_users WHERE
1027 login = '$login' AND pwd_hash = '$pwd_hash'";
1028 }
1029
1030 $result = db_query($link, $query);
1031
1032 if (db_num_rows($result) == 1) {
1033 $_SESSION["uid"] = db_fetch_result($result, 0, "id");
1034 $_SESSION["name"] = db_fetch_result($result, 0, "login");
1035 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
1036
1037 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1038 $_SESSION["uid"]);
1039
1040 $user_theme = get_user_theme_path($link);
1041
1042 $_SESSION["theme"] = $user_theme;
1043 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1044
1045 initialize_user_prefs($link, $_SESSION["uid"]);
1046
1047 return true;
1048 }
1049
1050 return false;
1051
1052 } else {
1053
1054 $_SESSION["uid"] = 1;
1055 $_SESSION["name"] = "admin";
1056
1057 $user_theme = get_user_theme_path($link);
1058
1059 $_SESSION["theme"] = $user_theme;
1060 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1061
1062 initialize_user_prefs($link, $_SESSION["uid"]);
1063
1064 return true;
1065 }
1066 }
1067
1068 function make_password($length = 8) {
1069
1070 $password = "";
1071 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
1072
1073 $i = 0;
1074
1075 while ($i < $length) {
1076 $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
1077
1078 if (!strstr($password, $char)) {
1079 $password .= $char;
1080 $i++;
1081 }
1082 }
1083 return $password;
1084 }
1085
1086 // this is called after user is created to initialize default feeds, labels
1087 // or whatever else
1088
1089 // user preferences are checked on every login, not here
1090
1091 function initialize_user($link, $uid) {
1092
1093 db_query($link, "insert into ttrss_labels (owner_uid,sql_exp,description)
1094 values ('$uid','unread = true', 'Unread articles')");
1095
1096 db_query($link, "insert into ttrss_labels (owner_uid,sql_exp,description)
1097 values ('$uid','last_read is null and unread = false', 'Updated articles')");
1098
1099 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1100 values ('$uid', 'Tiny Tiny RSS: New Releases',
1101 'http://tt-rss.spb.ru/releases.rss')");
1102
1103 }
1104
1105 function logout_user() {
1106 session_destroy();
1107 if (isset($_COOKIE[session_name()])) {
1108 setcookie(session_name(), '', time()-42000, '/');
1109 }
1110 }
1111
1112 function get_script_urlpath() {
1113 return preg_replace('/\/[^\/]*$/', "", $_SERVER["REQUEST_URI"]);
1114 }
1115
1116 function get_login_redirect() {
1117 $server = $_SERVER["SERVER_NAME"];
1118
1119 if (ENABLE_LOGIN_SSL) {
1120 $protocol = "https";
1121 } else {
1122 $protocol = "http";
1123 }
1124
1125 $url_path = get_script_urlpath();
1126
1127 $redirect_uri = "$protocol://$server$url_path/login.php";
1128
1129 return $redirect_uri;
1130 }
1131
1132 function validate_session($link) {
1133 if (SESSION_CHECK_ADDRESS && $_SESSION["uid"]) {
1134 if ($_SESSION["ip_address"]) {
1135 if ($_SESSION["ip_address"] != $_SERVER["REMOTE_ADDR"]) {
1136 return false;
1137 }
1138 }
1139 }
1140 return true;
1141 }
1142
1143 function basic_nosid_redirect_check() {
1144 if (!SINGLE_USER_MODE) {
1145 if (!$_COOKIE[get_session_cookie_name()]) {
1146 $redirect_uri = get_login_redirect();
1147 $return_to = preg_replace('/.*?\//', '', $_SERVER["REQUEST_URI"]);
1148 header("Location: $redirect_uri?rt=$return_to");
1149 exit;
1150 }
1151 }
1152 }
1153
1154 function login_sequence($link) {
1155 if (!SINGLE_USER_MODE) {
1156
1157 if (defined('_DEBUG_USER_SWITCH') && $_SESSION["uid"]) {
1158 $swu = db_escape_string($_REQUEST["swu"]);
1159 if ($swu) {
1160 $_SESSION["prefs_cache"] = false;
1161 return authenticate_user($link, $swu, null, true);
1162 }
1163 }
1164
1165 if (!validate_session($link)) {
1166 logout_user();
1167 $redirect_uri = get_login_redirect();
1168 $return_to = preg_replace('/.*?\//', '', $_SERVER["REQUEST_URI"]);
1169 header("Location: $redirect_uri?rt=$return_to");
1170 exit;
1171 }
1172
1173 if (!USE_HTTP_AUTH) {
1174 if (!$_SESSION["uid"]) {
1175 $redirect_uri = get_login_redirect();
1176 $return_to = preg_replace('/.*?\//', '', $_SERVER["REQUEST_URI"]);
1177 header("Location: $redirect_uri?rt=$return_to");
1178 exit;
1179 }
1180 } else {
1181 if (!$_SESSION["uid"]) {
1182 if (!$_SERVER["PHP_AUTH_USER"]) {
1183
1184 header('WWW-Authenticate: Basic realm="Tiny Tiny RSS"');
1185 header('HTTP/1.0 401 Unauthorized');
1186 exit;
1187
1188 } else {
1189 $auth_result = authenticate_user($link,
1190 $_SERVER["PHP_AUTH_USER"], $_SERVER["PHP_AUTH_PW"]);
1191
1192 if (!$auth_result) {
1193 header('WWW-Authenticate: Basic realm="Tiny Tiny RSS"');
1194 header('HTTP/1.0 401 Unauthorized');
1195 exit;
1196 }
1197 }
1198 }
1199 }
1200 } else {
1201 return authenticate_user($link, "admin", null);
1202 }
1203 }
1204
1205 function truncate_string($str, $max_len) {
1206 if (mb_strlen($str, "utf-8") > $max_len - 3) {
1207 return mb_substr($str, 0, $max_len, "utf-8") . "...";
1208 } else {
1209 return $str;
1210 }
1211 }
1212
1213 function get_user_theme_path($link) {
1214 $result = db_query($link, "SELECT theme_path
1215 FROM
1216 ttrss_themes,ttrss_users
1217 WHERE ttrss_themes.id = theme_id AND ttrss_users.id = " . $_SESSION["uid"]);
1218 if (db_num_rows($result) != 0) {
1219 return db_fetch_result($result, 0, "theme_path");
1220 } else {
1221 return null;
1222 }
1223 }
1224
1225 function smart_date_time($timestamp) {
1226 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
1227 return date("G:i", $timestamp);
1228 } else if (date("Y", $timestamp) == date("Y")) {
1229 return date("M d, G:i", $timestamp);
1230 } else {
1231 return date("Y/m/d G:i", $timestamp);
1232 }
1233 }
1234
1235 function smart_date($timestamp) {
1236 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
1237 return "Today";
1238 } else if (date("Y", $timestamp) == date("Y")) {
1239 return date("D m", $timestamp);
1240 } else {
1241 return date("Y/m/d", $timestamp);
1242 }
1243 }
1244
1245 function sql_bool_to_string($s) {
1246 if ($s == "t" || $s == "1") {
1247 return "true";
1248 } else {
1249 return "false";
1250 }
1251 }
1252
1253 function sql_bool_to_bool($s) {
1254 if ($s == "t" || $s == "1") {
1255 return true;
1256 } else {
1257 return false;
1258 }
1259 }
1260
1261
1262 function toggleEvenOdd($a) {
1263 if ($a == "even")
1264 return "odd";
1265 else
1266 return "even";
1267 }
1268
1269 function sanity_check($link) {
1270
1271 error_reporting(0);
1272
1273 $error_code = 0;
1274 $result = db_query($link, "SELECT schema_version FROM ttrss_version");
1275 $schema_version = db_fetch_result($result, 0, "schema_version");
1276
1277 if ($schema_version != SCHEMA_VERSION) {
1278 $error_code = 5;
1279 }
1280
1281 if (DB_TYPE == "mysql") {
1282 $result = db_query($link, "SELECT true", false);
1283 if (db_num_rows($result) != 1) {
1284 $error_code = 10;
1285 }
1286 }
1287
1288 error_reporting (DEFAULT_ERROR_LEVEL);
1289
1290 if ($error_code != 0) {
1291 print_error_xml($error_code);
1292 return false;
1293 } else {
1294 return true;
1295 }
1296 }
1297
1298 function file_is_locked($filename) {
1299 error_reporting(0);
1300 $fp = fopen($filename, "r");
1301 error_reporting(DEFAULT_ERROR_LEVEL);
1302 if ($fp) {
1303 if (flock($fp, LOCK_EX | LOCK_NB)) {
1304 flock($fp, LOCK_UN);
1305 fclose($fp);
1306 return false;
1307 }
1308 fclose($fp);
1309 return true;
1310 }
1311 return false;
1312 }
1313
1314 function make_lockfile($filename) {
1315 $fp = fopen($filename, "w");
1316
1317 if (flock($fp, LOCK_EX | LOCK_NB)) {
1318 return $fp;
1319 } else {
1320 return false;
1321 }
1322 }
1323
1324 function sql_random_function() {
1325 if (DB_TYPE == "mysql") {
1326 return "RAND()";
1327 } else {
1328 return "RANDOM()";
1329 }
1330 }
1331
1332 function catchup_feed($link, $feed, $cat_view) {
1333
1334 if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
1335
1336 if ($cat_view) {
1337
1338 if ($feed > 0) {
1339 $cat_qpart = "cat_id = '$feed'";
1340 } else {
1341 $cat_qpart = "cat_id IS NULL";
1342 }
1343
1344 $tmp_result = db_query($link, "SELECT id
1345 FROM ttrss_feeds WHERE $cat_qpart AND owner_uid = " .
1346 $_SESSION["uid"]);
1347
1348 while ($tmp_line = db_fetch_assoc($tmp_result)) {
1349
1350 $tmp_feed = $tmp_line["id"];
1351
1352 db_query($link, "UPDATE ttrss_user_entries
1353 SET unread = false,last_read = NOW()
1354 WHERE feed_id = '$tmp_feed' AND owner_uid = " . $_SESSION["uid"]);
1355 }
1356
1357 } else if ($feed > 0) {
1358
1359 $tmp_result = db_query($link, "SELECT id
1360 FROM ttrss_feeds WHERE parent_feed = '$feed'
1361 ORDER BY cat_id,title");
1362
1363 $parent_ids = array();
1364
1365 if (db_num_rows($tmp_result) > 0) {
1366 while ($p = db_fetch_assoc($tmp_result)) {
1367 array_push($parent_ids, "feed_id = " . $p["id"]);
1368 }
1369
1370 $children_qpart = implode(" OR ", $parent_ids);
1371
1372 db_query($link, "UPDATE ttrss_user_entries
1373 SET unread = false,last_read = NOW()
1374 WHERE (feed_id = '$feed' OR $children_qpart)
1375 AND owner_uid = " . $_SESSION["uid"]);
1376
1377 } else {
1378 db_query($link, "UPDATE ttrss_user_entries
1379 SET unread = false,last_read = NOW()
1380 WHERE feed_id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
1381 }
1382
1383 } else if ($feed < 0 && $feed > -10) { // special, like starred
1384
1385 if ($feed == -1) {
1386 db_query($link, "UPDATE ttrss_user_entries
1387 SET unread = false,last_read = NOW()
1388 WHERE marked = true AND owner_uid = ".$_SESSION["uid"]);
1389 }
1390
1391 } else if ($feed < -10) { // label
1392
1393 // TODO make this more efficient
1394
1395 $label_id = -$feed - 11;
1396
1397 $tmp_result = db_query($link, "SELECT sql_exp FROM ttrss_labels
1398 WHERE id = '$label_id'");
1399
1400 if ($tmp_result) {
1401 $sql_exp = db_fetch_result($tmp_result, 0, "sql_exp");
1402
1403 db_query($link, "BEGIN");
1404
1405 $tmp2_result = db_query($link,
1406 "SELECT
1407 int_id
1408 FROM
1409 ttrss_user_entries,ttrss_entries,ttrss_feeds
1410 WHERE
1411 ref_id = ttrss_entries.id AND
1412 ttrss_user_entries.feed_id = ttrss_feeds.id AND
1413 $sql_exp AND
1414 ttrss_user_entries.owner_uid = " . $_SESSION["uid"]);
1415
1416 while ($tmp_line = db_fetch_assoc($tmp2_result)) {
1417 db_query($link, "UPDATE
1418 ttrss_user_entries
1419 SET
1420 unread = false, last_read = NOW()
1421 WHERE
1422 int_id = " . $tmp_line["int_id"]);
1423 }
1424
1425 db_query($link, "COMMIT");
1426
1427 /* db_query($link, "UPDATE ttrss_user_entries,ttrss_entries
1428 SET unread = false,last_read = NOW()
1429 WHERE $sql_exp
1430 AND ref_id = id
1431 AND owner_uid = ".$_SESSION["uid"]); */
1432 }
1433 }
1434 } else { // tag
1435 db_query($link, "BEGIN");
1436
1437 $tag_name = db_escape_string($feed);
1438
1439 $result = db_query($link, "SELECT post_int_id FROM ttrss_tags
1440 WHERE tag_name = '$tag_name' AND owner_uid = " . $_SESSION["uid"]);
1441
1442 while ($line = db_fetch_assoc($result)) {
1443 db_query($link, "UPDATE ttrss_user_entries SET
1444 unread = false, last_read = NOW()
1445 WHERE int_id = " . $line["post_int_id"]);
1446 }
1447 db_query($link, "COMMIT");
1448 }
1449 }
1450
1451 function update_generic_feed($link, $feed, $cat_view) {
1452 if ($cat_view) {
1453
1454 if ($feed > 0) {
1455 $cat_qpart = "cat_id = '$feed'";
1456 } else {
1457 $cat_qpart = "cat_id IS NULL";
1458 }
1459
1460 $tmp_result = db_query($link, "SELECT feed_url FROM ttrss_feeds
1461 WHERE $cat_qpart AND owner_uid = " . $_SESSION["uid"]);
1462
1463 while ($tmp_line = db_fetch_assoc($tmp_result)) {
1464 $feed_url = $tmp_line["feed_url"];
1465 update_rss_feed($link, $feed_url, $feed, ENABLE_UPDATE_DAEMON);
1466 }
1467
1468 } else {
1469 $tmp_result = db_query($link, "SELECT feed_url FROM ttrss_feeds
1470 WHERE id = '$feed'");
1471 $feed_url = db_fetch_result($tmp_result, 0, "feed_url");
1472 update_rss_feed($link, $feed_url, $feed, ENABLE_UPDATE_DAEMON);
1473 }
1474 }
1475
1476 function getAllCounters($link) {
1477 getLabelCounters($link);
1478 getFeedCounters($link);
1479 getTagCounters($link);
1480 getGlobalCounters($link);
1481 if (get_pref($link, 'ENABLE_FEED_CATS')) {
1482 getCategoryCounters($link);
1483 }
1484 }
1485
1486 function getCategoryCounters($link) {
1487 $result = db_query($link, "SELECT cat_id,SUM((SELECT COUNT(int_id)
1488 FROM ttrss_user_entries WHERE feed_id = ttrss_feeds.id
1489 AND unread = true)) AS unread FROM ttrss_feeds
1490 WHERE
1491 hidden = false AND owner_uid = ".$_SESSION["uid"]." GROUP BY cat_id");
1492
1493 while ($line = db_fetch_assoc($result)) {
1494 $line["cat_id"] = sprintf("%d", $line["cat_id"]);
1495 print "<counter type=\"category\" id=\"".$line["cat_id"]."\" counter=\"".
1496 $line["unread"]."\"/>";
1497 }
1498 }
1499
1500 function getCategoryUnread($link, $cat) {
1501
1502 if ($cat != 0) {
1503 $cat_query = "cat_id = '$cat'";
1504 } else {
1505 $cat_query = "cat_id IS NULL";
1506 }
1507
1508 $result = db_query($link, "SELECT id FROM ttrss_feeds WHERE $cat_query
1509 AND hidden = false
1510 AND owner_uid = " . $_SESSION["uid"]);
1511
1512 $cat_feeds = array();
1513 while ($line = db_fetch_assoc($result)) {
1514 array_push($cat_feeds, "feed_id = " . $line["id"]);
1515 }
1516
1517 if (count($cat_feeds) == 0) return 0;
1518
1519 $match_part = implode(" OR ", $cat_feeds);
1520
1521 $result = db_query($link, "SELECT COUNT(int_id) AS unread
1522 FROM ttrss_user_entries
1523 WHERE unread = true AND ($match_part) AND owner_uid = " . $_SESSION["uid"]);
1524
1525 $unread = 0;
1526
1527 # this needs to be rewritten
1528 while ($line = db_fetch_assoc($result)) {
1529 $unread += $line["unread"];
1530 }
1531
1532 return $unread;
1533
1534 }
1535
1536 function getFeedUnread($link, $feed, $is_cat = false) {
1537 $n_feed = sprintf("%d", $feed);
1538
1539 if ($is_cat) {
1540 return getCategoryUnread($link, $n_feed);
1541 } else if ($n_feed == -1) {
1542 $match_part = "marked = true";
1543 } else if ($n_feed > 0) {
1544
1545 $result = db_query($link, "SELECT id FROM ttrss_feeds WHERE parent_feed = '$n_feed'
1546 AND hidden = false
1547 AND owner_uid = " . $_SESSION["uid"]);
1548
1549 if (db_num_rows($result) > 0) {
1550
1551 $linked_feeds = array();
1552 while ($line = db_fetch_assoc($result)) {
1553 array_push($linked_feeds, "feed_id = " . $line["id"]);
1554 }
1555
1556 $match_part = implode(" OR ", $linked_feeds);
1557
1558 $result = db_query($link, "SELECT COUNT(int_id) AS unread
1559 FROM ttrss_user_entries
1560 WHERE unread = true AND ($match_part) AND owner_uid = " . $_SESSION["uid"]);
1561
1562 $unread = 0;
1563
1564 # this needs to be rewritten
1565 while ($line = db_fetch_assoc($result)) {
1566 $unread += $line["unread"];
1567 }
1568
1569 return $unread;
1570
1571 } else {
1572 $match_part = "feed_id = '$n_feed'";
1573 }
1574 } else if ($feed < -10) {
1575
1576 $label_id = -$feed - 11;
1577
1578 $result = db_query($link, "SELECT sql_exp FROM ttrss_labels WHERE
1579 id = '$label_id' AND owner_uid = " . $_SESSION["uid"]);
1580
1581 $match_part = db_fetch_result($result, 0, "sql_exp");
1582 }
1583
1584 if ($match_part) {
1585
1586 $result = db_query($link, "SELECT count(int_id) AS unread
1587 FROM ttrss_user_entries,ttrss_feeds,ttrss_entries WHERE
1588 ttrss_user_entries.feed_id = ttrss_feeds.id AND
1589 ttrss_user_entries.ref_id = ttrss_entries.id AND
1590 ttrss_feeds.hidden = false AND
1591 unread = true AND ($match_part) AND ttrss_user_entries.owner_uid = " . $_SESSION["uid"]);
1592
1593 } else {
1594
1595 $result = db_query($link, "SELECT COUNT(post_int_id) AS unread
1596 FROM ttrss_tags,ttrss_user_entries
1597 WHERE tag_name = '$feed' AND post_int_id = int_id AND unread = true AND
1598 ttrss_tags.owner_uid = " . $_SESSION["uid"]);
1599 }
1600
1601 $unread = db_fetch_result($result, 0, "unread");
1602
1603 return $unread;
1604 }
1605
1606 /* FIXME this needs reworking */
1607
1608 function getGlobalUnread($link, $user_id = false) {
1609
1610 if (!$user_id) {
1611 $user_id = $_SESSION["uid"];
1612 }
1613
1614 $result = db_query($link, "SELECT count(ttrss_entries.id) as c_id FROM ttrss_entries,ttrss_user_entries,ttrss_feeds
1615 WHERE unread = true AND
1616 ttrss_user_entries.feed_id = ttrss_feeds.id AND
1617 ttrss_user_entries.ref_id = ttrss_entries.id AND
1618 hidden = false AND
1619 ttrss_user_entries.owner_uid = '$user_id'");
1620 $c_id = db_fetch_result($result, 0, "c_id");
1621 return $c_id;
1622 }
1623
1624 function getGlobalCounters($link, $global_unread = -1) {
1625 if ($global_unread == -1) {
1626 $global_unread = getGlobalUnread($link);
1627 }
1628 print "<counter type=\"global\" id='global-unread'
1629 counter='$global_unread'/>";
1630
1631 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
1632 ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
1633
1634 $subscribed_feeds = db_fetch_result($result, 0, "fn");
1635
1636 print "<counter type=\"global\" id='subscribed-feeds'
1637 counter='$subscribed_feeds'/>";
1638
1639 }
1640
1641 function getTagCounters($link, $smart_mode = SMART_RPC_COUNTERS) {
1642
1643 if ($smart_mode) {
1644 if (!$_SESSION["tctr_last_value"]) {
1645 $_SESSION["tctr_last_value"] = array();
1646 }
1647 }
1648
1649 $old_counters = $_SESSION["tctr_last_value"];
1650
1651 $tctrs_modified = false;
1652
1653 /* $result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count
1654 FROM ttrss_tags,ttrss_entries,ttrss_user_entries WHERE
1655 ttrss_user_entries.ref_id = ttrss_entries.id AND
1656 ttrss_tags.owner_uid = ".$_SESSION["uid"]." AND
1657 post_int_id = ttrss_user_entries.int_id AND unread = true GROUP BY tag_name
1658 UNION
1659 select tag_name,0 as count FROM ttrss_tags
1660 WHERE ttrss_tags.owner_uid = ".$_SESSION["uid"]); */
1661
1662 $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
1663 FROM ttrss_user_entries WHERE int_id = post_int_id
1664 AND unread = true)) AS count FROM ttrss_tags
1665 WHERE owner_uid = 2 GROUP BY tag_name ORDER BY tag_name");
1666
1667 $tags = array();
1668
1669 while ($line = db_fetch_assoc($result)) {
1670 $tags[$line["tag_name"]] += $line["count"];
1671 }
1672
1673 foreach (array_keys($tags) as $tag) {
1674 $unread = $tags[$tag];
1675
1676 $tag = htmlspecialchars($tag);
1677
1678 if (!$smart_mode || $old_counters[$tag] != $unread) {
1679 $old_counters[$tag] = $unread;
1680 $tctrs_modified = true;
1681 print "<counter type=\"tag\" id=\"$tag\" counter=\"$unread\"/>";
1682 }
1683
1684 }
1685
1686 if ($smart_mode && $tctrs_modified) {
1687 $_SESSION["tctr_last_value"] = $old_counters;
1688 }
1689
1690 }
1691
1692 function getLabelCounters($link, $smart_mode = SMART_RPC_COUNTERS, $ret_mode = false) {
1693
1694 if ($smart_mode) {
1695 if (!$_SESSION["lctr_last_value"]) {
1696 $_SESSION["lctr_last_value"] = array();
1697 }
1698 }
1699
1700 $ret_arr = array();
1701
1702 $old_counters = $_SESSION["lctr_last_value"];
1703 $lctrs_modified = false;
1704
1705 $result = db_query($link, "SELECT count(ttrss_entries.id) as count FROM ttrss_entries,ttrss_user_entries,ttrss_feeds
1706 WHERE marked = true AND ttrss_user_entries.ref_id = ttrss_entries.id AND
1707 ttrss_user_entries.feed_id = ttrss_feeds.id AND
1708 unread = true AND ttrss_user_entries.owner_uid = ".$_SESSION["uid"]);
1709
1710 $count = db_fetch_result($result, 0, "count");
1711
1712 if (!$ret_mode) {
1713 print "<counter type=\"label\" id=\"-1\" counter=\"$count\"/>";
1714 } else {
1715 $ret_arr["-1"]["counter"] = $count;
1716 $ret_arr["-1"]["description"] = "Starred";
1717 }
1718
1719 $result = db_query($link, "SELECT owner_uid,id,sql_exp,description FROM
1720 ttrss_labels WHERE owner_uid = ".$_SESSION["uid"]." ORDER by description");
1721
1722 while ($line = db_fetch_assoc($result)) {
1723
1724 $id = -$line["id"] - 11;
1725
1726 $label_name = $line["description"];
1727
1728 error_reporting (0);
1729
1730 $tmp_result = db_query($link, "SELECT count(ttrss_entries.id) as count FROM ttrss_user_entries,ttrss_entries,ttrss_feeds
1731 WHERE (" . $line["sql_exp"] . ") AND unread = true AND
1732 ttrss_feeds.hidden = false AND
1733 ttrss_user_entries.feed_id = ttrss_feeds.id AND
1734 ttrss_user_entries.ref_id = ttrss_entries.id AND
1735 ttrss_user_entries.owner_uid = ".$_SESSION["uid"]);
1736
1737 $count = db_fetch_result($tmp_result, 0, "count");
1738
1739 if (!$smart_mode || $old_counters[$id] != $count) {
1740 $old_counters[$id] = $count;
1741 $lctrs_modified = true;
1742 if (!$ret_mode) {
1743 print "<counter type=\"label\" id=\"$id\" counter=\"$count\"/>";
1744 } else {
1745 $ret_arr[$id]["counter"] = $count;
1746 $ret_arr[$id]["description"] = $label_name;
1747 }
1748 }
1749
1750 error_reporting (DEFAULT_ERROR_LEVEL);
1751 }
1752
1753 if ($smart_mode && $lctrs_modified) {
1754 $_SESSION["lctr_last_value"] = $old_counters;
1755 }
1756
1757 return $ret_arr;
1758 }
1759
1760 /* function getFeedCounter($link, $id) {
1761
1762 $result = db_query($link, "SELECT
1763 count(id) as count,last_error
1764 FROM ttrss_entries,ttrss_user_entries,ttrss_feeds
1765 WHERE feed_id = '$id' AND unread = true
1766 AND ttrss_user_entries.feed_id = ttrss_feeds.id
1767 AND ttrss_user_entries.ref_id = ttrss_entries.id");
1768
1769 $count = db_fetch_result($result, 0, "count");
1770 $last_error = htmlspecialchars(db_fetch_result($result, 0, "last_error"));
1771
1772 print "<counter type=\"feed\" id=\"$id\" counter=\"$count\" error=\"$last_error\"/>";
1773 } */
1774
1775 function getFeedCounters($link, $smart_mode = SMART_RPC_COUNTERS) {
1776
1777 if ($smart_mode) {
1778 if (!$_SESSION["fctr_last_value"]) {
1779 $_SESSION["fctr_last_value"] = array();
1780 }
1781 }
1782
1783 $old_counters = $_SESSION["fctr_last_value"];
1784
1785 $result = db_query($link, "SELECT id,last_error,parent_feed,
1786 SUBSTRING(last_updated,1,19) AS last_updated,
1787 (SELECT count(id)
1788 FROM ttrss_entries,ttrss_user_entries
1789 WHERE feed_id = ttrss_feeds.id AND
1790 ttrss_user_entries.ref_id = ttrss_entries.id
1791 AND unread = true AND owner_uid = ".$_SESSION["uid"].") as count
1792 FROM ttrss_feeds WHERE owner_uid = ".$_SESSION["uid"] . "
1793 AND parent_feed IS NULL");
1794
1795 $fctrs_modified = false;
1796
1797 $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
1798
1799 while ($line = db_fetch_assoc($result)) {
1800
1801 $id = $line["id"];
1802 $count = $line["count"];
1803 $last_error = htmlspecialchars($line["last_error"]);
1804
1805 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
1806 $last_updated = smart_date_time(strtotime($line["last_updated"]));
1807 } else {
1808 $last_updated = date($short_date, strtotime($line["last_updated"]));
1809 }
1810
1811 $has_img = is_file(ICONS_DIR . "/$id.ico");
1812
1813 $tmp_result = db_query($link,
1814 "SELECT id,COUNT(unread) AS unread
1815 FROM ttrss_feeds LEFT JOIN ttrss_user_entries
1816 ON (ttrss_feeds.id = ttrss_user_entries.feed_id)
1817 WHERE parent_feed = '$id' AND unread = true GROUP BY ttrss_feeds.id");
1818
1819 if (db_num_rows($tmp_result) > 0) {
1820 while ($l = db_fetch_assoc($tmp_result)) {
1821 $count += $l["unread"];
1822 }
1823 }
1824
1825 if (!$smart_mode || $old_counters[$id] != $count) {
1826 $old_counters[$id] = $count;
1827 $fctrs_modified = true;
1828
1829 if ($last_error) {
1830 $error_part = "error=\"$last_error\"";
1831 } else {
1832 $error_part = "";
1833 }
1834
1835 if ($has_img) {
1836 $has_img_part = "hi=\"$has_img\"";
1837 } else {
1838 $has_img_part = "";
1839 }
1840
1841 print "<counter type=\"feed\" id=\"$id\" counter=\"$count\" $has_img_part $error_part updated=\"$last_updated\"/>";
1842 }
1843 }
1844
1845 if ($smart_mode && $fctrs_modified) {
1846 $_SESSION["fctr_last_value"] = $old_counters;
1847 }
1848 }
1849
1850 function get_script_dt_add() {
1851 if (strpos(VERSION, "99") === false) {
1852 return VERSION;
1853 } else {
1854 return time();
1855 }
1856 }
1857
1858 function get_pgsql_version($link) {
1859 $result = db_query($link, "SELECT version() AS version");
1860 $version = split(" ", db_fetch_result($result, 0, "version"));
1861 return $version[1];
1862 }
1863
1864 function print_error_xml($code, $add_msg = "") {
1865 global $ERRORS;
1866
1867 $error_msg = $ERRORS[$code];
1868
1869 if ($add_msg) {
1870 $error_msg = "$error_msg; $add_msg";
1871 }
1872
1873 print "<rpc-reply>";
1874 print "<error error-code=\"$code\" error-msg=\"$error_msg\"/>";
1875 print "</rpc-reply>";
1876 }
1877
1878 function subscribe_to_feed($link, $feed_link, $cat_id = 0) {
1879
1880 $feed_link = preg_replace("/^feed:/", "", $feed_link);
1881
1882 if ($cat_id == "0" || !$cat_id) {
1883 $cat_qpart = "NULL";
1884 } else {
1885 $cat_qpart = "'$cat_id'";
1886 }
1887
1888 $result = db_query($link,
1889 "SELECT id FROM ttrss_feeds
1890 WHERE feed_url = '$feed_link' AND owner_uid = ".$_SESSION["uid"]);
1891
1892 if (db_num_rows($result) == 0) {
1893
1894 $result = db_query($link,
1895 "INSERT INTO ttrss_feeds (owner_uid,feed_url,title,cat_id)
1896 VALUES ('".$_SESSION["uid"]."', '$feed_link',
1897 '[Unknown]', $cat_qpart)");
1898
1899 $result = db_query($link,
1900 "SELECT id FROM ttrss_feeds WHERE feed_url = '$feed_link'
1901 AND owner_uid = " . $_SESSION["uid"]);
1902
1903 $feed_id = db_fetch_result($result, 0, "id");
1904
1905 if ($feed_id) {
1906 update_rss_feed($link, $feed_link, $feed_id, true);
1907 }
1908
1909 return true;
1910 } else {
1911 return false;
1912 }
1913 }
1914
1915 function print_feed_select($link, $id, $default_id = "",
1916 $attributes = "", $include_all_feeds = true) {
1917
1918 print "<select id=\"$id\" name=\"$id\" $attributes>";
1919 if ($include_all_feeds) {
1920 print "<option value=\"0\">All feeds</option>";
1921 }
1922
1923 $result = db_query($link, "SELECT id,title FROM ttrss_feeds
1924 WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
1925
1926 if (db_num_rows($result) > 0 && $include_all_feeds) {
1927 print "<option disabled>--------</option>";
1928 }
1929
1930 while ($line = db_fetch_assoc($result)) {
1931 if ($line["id"] == $default_id) {
1932 $is_selected = "selected";
1933 } else {
1934 $is_selected = "";
1935 }
1936 printf("<option $is_selected value='%d'>%s</option>",
1937 $line["id"], htmlspecialchars(db_unescape_string($line["title"])));
1938 }
1939
1940 print "</select>";
1941 }
1942
1943 function print_feed_cat_select($link, $id, $default_id = "",
1944 $attributes = "", $include_all_cats = true) {
1945
1946 print "<select id=\"$id\" name=\"$id\" $attributes>";
1947
1948 if ($include_all_cats) {
1949 print "<option value=\"0\">Uncategorized</option>";
1950 }
1951
1952 $result = db_query($link, "SELECT id,title FROM ttrss_feed_categories
1953 WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
1954
1955 if (db_num_rows($result) > 0 && $include_all_cats) {
1956 print "<option disabled>--------</option>";
1957 }
1958
1959 while ($line = db_fetch_assoc($result)) {
1960 if ($line["id"] == $default_id) {
1961 $is_selected = "selected";
1962 } else {
1963 $is_selected = "";
1964 }
1965 printf("<option $is_selected value='%d'>%s</option>",
1966 $line["id"], htmlspecialchars(db_unescape_string($line["title"])));
1967 }
1968
1969 print "</select>";
1970 }
1971
1972 function checkbox_to_sql_bool($val) {
1973 return ($val == "on") ? "true" : "false";
1974 }
1975
1976 function getFeedCatTitle($link, $id) {
1977 if ($id == -1) {
1978 return "Special";
1979 } else if ($id < -10) {
1980 return "Labels";
1981 } else if ($id > 0) {
1982 $result = db_query($link, "SELECT ttrss_feed_categories.title
1983 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
1984 cat_id = ttrss_feed_categories.id");
1985 if (db_num_rows($result) == 1) {
1986 return db_fetch_result($result, 0, "title");
1987 } else {
1988 return "Uncategorized";
1989 }
1990 } else {
1991 return "getFeedCatTitle($id) failed";
1992 }
1993
1994 }
1995
1996 function getFeedTitle($link, $id) {
1997 if ($id == -1) {
1998 return "Starred articles";
1999 } else if ($id < -10) {
2000 $label_id = -10 - $id;
2001 $result = db_query($link, "SELECT description FROM ttrss_labels WHERE id = '$label_id'");
2002 if (db_num_rows($result) == 1) {
2003 return db_fetch_result($result, 0, "description");
2004 } else {
2005 return "Unknown label ($label_id)";
2006 }
2007
2008 } else if ($id > 0) {
2009 $result = db_query($link, "SELECT title FROM ttrss_feeds WHERE id = '$id'");
2010 if (db_num_rows($result) == 1) {
2011 return db_fetch_result($result, 0, "title");
2012 } else {
2013 return "Unknown feed ($id)";
2014 }
2015 } else {
2016 return "getFeedTitle($id) failed";
2017 }
2018
2019 }
2020
2021 function get_session_cookie_name() {
2022 return ((!defined('TTRSS_SESSION_NAME')) ? "ttrss_sid" : TTRSS_SESSION_NAME);
2023 }
2024
2025 function print_init_params($link) {
2026 print "<init-params>";
2027 if ($_SESSION["stored-params"]) {
2028 foreach (array_keys($_SESSION["stored-params"]) as $key) {
2029 if ($key) {
2030 $value = htmlspecialchars($_SESSION["stored-params"][$key]);
2031 print "<param key=\"$key\" value=\"$value\"/>";
2032 }
2033 }
2034 }
2035
2036 print "<param key=\"daemon_enabled\" value=\"" . ENABLE_UPDATE_DAEMON . "\"/>";
2037 print "<param key=\"feeds_frame_refresh\" value=\"" . FEEDS_FRAME_REFRESH . "\"/>";
2038 print "<param key=\"daemon_refresh_only\" value=\"" . DAEMON_REFRESH_ONLY . "\"/>";
2039
2040 print "<param key=\"on_catchup_show_next_feed\" value=\"" .
2041 get_pref($link, "ON_CATCHUP_SHOW_NEXT_FEED") . "\"/>";
2042
2043 print "<param key=\"hide_read_feeds\" value=\"" .
2044 sprintf("%d", get_pref($link, "HIDE_READ_FEEDS")) . "\"/>";
2045
2046 print "<param key=\"feeds_sort_by_unread\" value=\"" .
2047 sprintf("%d", get_pref($link, "FEEDS_SORT_BY_UNREAD")) . "\"/>";
2048
2049 print "<param key=\"confirm_feed_catchup\" value=\"" .
2050 sprintf("%d", get_pref($link, "CONFIRM_FEED_CATCHUP")) . "\"/>";
2051
2052 print "</init-params>";
2053 }
2054
2055 function print_runtime_info($link) {
2056 print "<runtime-info>";
2057 if (ENABLE_UPDATE_DAEMON) {
2058 print "<param key=\"daemon_is_running\" value=\"".
2059 sprintf("%d", file_is_locked("update_daemon.lock")) . "\"/>";
2060 }
2061 print "</runtime-info>";
2062 }
2063
2064 function getSearchSql($search, $match_on) {
2065
2066 $search_query_part = "";
2067
2068 $keywords = split(" ", $search);
2069 $query_keywords = array();
2070
2071 if ($match_on == "both") {
2072
2073 foreach ($keywords as $k) {
2074 array_push($query_keywords, "(UPPER(ttrss_entries.title) LIKE UPPER('%$k%')
2075 OR UPPER(ttrss_entries.content) LIKE UPPER('%$k%'))");
2076 }
2077
2078 $search_query_part = implode("AND", $query_keywords) . " AND ";
2079
2080 } else if ($match_on == "title") {
2081
2082 foreach ($keywords as $k) {
2083 array_push($query_keywords, "(UPPER(ttrss_entries.title) LIKE UPPER('%$k%'))");
2084 }
2085
2086 $search_query_part = implode("AND", $query_keywords) . " AND ";
2087
2088 } else if ($match_on == "content") {
2089
2090 foreach ($keywords as $k) {
2091 array_push($query_keywords, "(UPPER(ttrss_entries.content) LIKE UPPER('%$k%'))");
2092 }
2093 }
2094
2095 $search_query_part = implode("AND", $query_keywords);
2096
2097 return $search_query_part;
2098 }
2099
2100 function queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view, $search, $search_mode, $match_on, $override_order = false) {
2101 if ($search) {
2102
2103 $search_query_part = getSearchSql($search, $match_on);
2104 $search_query_part .= " AND ";
2105
2106 } else {
2107 $search_query_part = "";
2108 }
2109
2110 $view_query_part = "";
2111
2112 if ($view_mode == "adaptive") {
2113 if ($search) {
2114 $view_query_part = " ";
2115 } else if ($feed != -1) {
2116 $unread = getFeedUnread($link, $feed, $cat_view);
2117 if ($unread > 0) {
2118 $view_query_part = " unread = true AND ";
2119 }
2120 }
2121 }
2122
2123 if ($view_mode == "marked") {
2124 $view_query_part = " marked = true AND ";
2125 }
2126
2127 if ($view_mode == "unread") {
2128 $view_query_part = " unread = true AND ";
2129 }
2130
2131 if ($limit > 0) {
2132 $limit_query_part = "LIMIT " . $limit;
2133 }
2134
2135 $vfeed_query_part = "";
2136
2137 // override query strategy and enable feed display when searching globally
2138 if ($search && $search_mode == "all_feeds") {
2139 $query_strategy_part = "ttrss_entries.id > 0";
2140 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2141 } else if (preg_match("/^-?[0-9][0-9]*$/", $feed) == false) {
2142 $query_strategy_part = "ttrss_entries.id > 0";
2143 $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
2144 id = feed_id) as feed_title,";
2145 } else if ($feed >= 0 && $search && $search_mode == "this_cat") {
2146
2147 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2148
2149 $tmp_result = false;
2150
2151 if ($cat_view) {
2152 $tmp_result = db_query($link, "SELECT id
2153 FROM ttrss_feeds WHERE cat_id = '$feed'");
2154 } else {
2155 $tmp_result = db_query($link, "SELECT id
2156 FROM ttrss_feeds WHERE cat_id = (SELECT cat_id FROM ttrss_feeds
2157 WHERE id = '$feed') AND id != '$feed'");
2158 }
2159
2160 $cat_siblings = array();
2161
2162 if (db_num_rows($tmp_result) > 0) {
2163 while ($p = db_fetch_assoc($tmp_result)) {
2164 array_push($cat_siblings, "feed_id = " . $p["id"]);
2165 }
2166
2167 $query_strategy_part = sprintf("(feed_id = %d OR %s)",
2168 $feed, implode(" OR ", $cat_siblings));
2169
2170 } else {
2171 $query_strategy_part = "ttrss_entries.id > 0";
2172 }
2173
2174 } else if ($feed >= 0) {
2175
2176 if ($cat_view) {
2177
2178 if ($feed > 0) {
2179 $query_strategy_part = "cat_id = '$feed'";
2180 } else {
2181 $query_strategy_part = "cat_id IS NULL";
2182 }
2183
2184 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2185
2186 } else {
2187 $tmp_result = db_query($link, "SELECT id
2188 FROM ttrss_feeds WHERE parent_feed = '$feed'
2189 ORDER BY cat_id,title");
2190
2191 $parent_ids = array();
2192
2193 if (db_num_rows($tmp_result) > 0) {
2194 while ($p = db_fetch_assoc($tmp_result)) {
2195 array_push($parent_ids, "feed_id = " . $p["id"]);
2196 }
2197
2198 $query_strategy_part = sprintf("(feed_id = %d OR %s)",
2199 $feed, implode(" OR ", $parent_ids));
2200
2201 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2202 } else {
2203 $query_strategy_part = "feed_id = '$feed'";
2204 }
2205 }
2206 } else if ($feed == -1) { // starred virtual feed
2207 $query_strategy_part = "marked = true";
2208 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2209 } else if ($feed <= -10) { // labels
2210 $label_id = -$feed - 11;
2211
2212 $tmp_result = db_query($link, "SELECT sql_exp FROM ttrss_labels
2213 WHERE id = '$label_id'");
2214
2215 $query_strategy_part = db_fetch_result($tmp_result, 0, "sql_exp");
2216
2217 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2218 } else {
2219 $query_strategy_part = "id > 0"; // dumb
2220 }
2221
2222 if (get_pref($link, 'REVERSE_HEADLINES')) {
2223 $order_by = "updated";
2224 } else {
2225 $order_by = "updated DESC";
2226 }
2227
2228 if ($override_order) {
2229 $order_by = $override_order;
2230 }
2231
2232 $feed_title = "";
2233
2234 if ($search && $search_mode == "all_feeds") {
2235 $feed_title = "Global search results ($search)";
2236 } else if ($search && preg_match('/^-?[0-9][0-9]*$/', $feed) == false) {
2237 $feed_title = "Tag search results ($search, $feed)";
2238 } else if (preg_match('/^-?[0-9][0-9]*$/', $feed) == false) {
2239 $feed_title = $feed;
2240 } else if (preg_match('/^-?[0-9][0-9]*$/', $feed) != false && $feed >= 0) {
2241
2242 if ($cat_view) {
2243
2244 if ($feed != 0) {
2245 $result = db_query($link, "SELECT title FROM ttrss_feed_categories
2246 WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
2247 $feed_title = db_fetch_result($result, 0, "title");
2248 } else {
2249 $feed_title = "Uncategorized";
2250 }
2251
2252 if ($search) {
2253 $feed_title = "Category search results ($search, $feed_title)";
2254 }
2255
2256 } else {
2257
2258 $result = db_query($link, "SELECT title,site_url,last_error FROM ttrss_feeds
2259 WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
2260
2261 $feed_title = db_fetch_result($result, 0, "title");
2262 $feed_site_url = db_fetch_result($result, 0, "site_url");
2263 $last_error = db_fetch_result($result, 0, "last_error");
2264
2265 if ($search) {
2266 $feed_title = "Feed search results ($search, $feed_title)";
2267 }
2268 }
2269
2270 } else if ($feed == -1) {
2271 $feed_title = "Starred articles";
2272 } else if ($feed < -10) {
2273 $label_id = -$feed - 11;
2274 $result = db_query($link, "SELECT description FROM ttrss_labels
2275 WHERE id = '$label_id'");
2276 $feed_title = db_fetch_result($result, 0, "description");
2277
2278 if ($search) {
2279 $feed_title = "Label search results ($search, $feed_title)";
2280 }
2281 } else {
2282 $feed_title = "?";
2283 }
2284
2285 $feed_title = db_unescape_string($feed_title);
2286
2287 if ($feed < -10) error_reporting (0);
2288
2289 if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
2290
2291 if ($feed >= 0) {
2292 $feed_kind = "Feeds";
2293 } else {
2294 $feed_kind = "Labels";
2295 }
2296
2297 $content_query_part = "content as content_preview,";
2298
2299 $query = "SELECT
2300 guid,
2301 ttrss_entries.id,ttrss_entries.title,
2302 SUBSTRING(updated,1,16) as updated,
2303 unread,feed_id,marked,link,last_read,
2304 SUBSTRING(last_read,1,19) as last_read_noms,
2305 $vfeed_query_part
2306 $content_query_part
2307 SUBSTRING(updated,1,19) as updated_noms
2308 FROM
2309 ttrss_entries,ttrss_user_entries,ttrss_feeds
2310 WHERE
2311 ttrss_feeds.hidden = false AND
2312 ttrss_user_entries.feed_id = ttrss_feeds.id AND
2313 ttrss_user_entries.ref_id = ttrss_entries.id AND
2314 ttrss_user_entries.owner_uid = '".$_SESSION["uid"]."' AND
2315 $search_query_part
2316 $view_query_part
2317 $query_strategy_part ORDER BY $order_by
2318 $limit_query_part";
2319
2320 $result = db_query($link, $query);
2321
2322 if ($_GET["debug"]) print $query;
2323
2324 } else {
2325 // browsing by tag
2326
2327 $feed_kind = "Tags";
2328
2329 $result = db_query($link, "SELECT
2330 guid,
2331 ttrss_entries.id as id,title,
2332 SUBSTRING(updated,1,16) as updated,
2333 unread,feed_id,
2334 marked,link,last_read,
2335 SUBSTRING(last_read,1,19) as last_read_noms,
2336 $vfeed_query_part
2337 $content_query_part
2338 SUBSTRING(updated,1,19) as updated_noms
2339 FROM
2340 ttrss_entries,ttrss_user_entries,ttrss_tags
2341 WHERE
2342 ref_id = ttrss_entries.id AND
2343 ttrss_user_entries.owner_uid = '".$_SESSION["uid"]."' AND
2344 post_int_id = int_id AND tag_name = '$feed' AND
2345 $view_query_part
2346 $search_query_part
2347 $query_strategy_part ORDER BY $order_by
2348 $limit_query_part");
2349 }
2350
2351 return array($result, $feed_title, $feed_site_url, $last_error);
2352
2353 }
2354
2355 function generate_syndicated_feed($link, $feed, $is_cat,
2356 $search, $search_mode, $match_on) {
2357
2358 $qfh_ret = queryFeedHeadlines($link, $feed,
2359 30, false, $is_cat, $search, $search_mode, $match_on, "updated DESC");
2360
2361 $result = $qfh_ret[0];
2362 $feed_title = htmlspecialchars($qfh_ret[1]);
2363 $feed_site_url = $qfh_ret[2];
2364 $last_error = $qfh_ret[3];
2365
2366 print "<rss version=\"2.0\">
2367 <channel>
2368 <title>$feed_title</title>
2369 <link>$feed_site_url</link>
2370 <generator>Tiny Tiny RSS v".VERSION."</generator>";
2371
2372 while ($line = db_fetch_assoc($result)) {
2373 print "<item>";
2374 print "<id>" . htmlspecialchars($line["guid"]) . "</id>";
2375 print "<link>" . htmlspecialchars($line["link"]) . "</link>";
2376
2377 $rfc822_date = date('r', strtotime($line["updated"]));
2378
2379 print "<pubDate>$rfc822_date</pubDate>";
2380
2381 print "<title>" .
2382 htmlspecialchars($line["title"]) . "</title>";
2383
2384 print "<description>" .
2385 htmlspecialchars($line["content_preview"]) . "</description>";
2386
2387 print "</item>";
2388 }
2389
2390 print "</channel></rss>";
2391
2392 }
2393
2394 function getCategoryTitle($link, $cat_id) {
2395
2396 $result = db_query($link, "SELECT title FROM ttrss_feed_categories WHERE
2397 id = '$cat_id'");
2398
2399 if (db_num_rows($result) == 1) {
2400 return db_fetch_result($result, 0, "title");
2401 } else {
2402 return "Uncategorized";
2403 }
2404 }
2405
2406 function sanitize_rss($str) {
2407 $res = $str;
2408
2409 $res = preg_replace('/<script.*?>/i',
2410 "<p class=\"scriptWarn\">Disabled script: ", $res);
2411
2412 $res = preg_replace('/<\/script.*?>/i', "</p>", $res);
2413
2414 /* $res = preg_replace('/<embed.*?>/i', "", $res);
2415
2416 $res = preg_replace('/<object.*?>.*?<\/object>/i',
2417 "<p class=\"objectWarn\">(Disabled html object
2418 - flash or other embedded content)</p>", $res); */
2419
2420 return $res;
2421 }
2422
2423 function send_headlines_digests($link, $limit = 100) {
2424
2425 if (!DIGEST_ENABLE) return false;
2426
2427 $user_limit = DIGEST_EMAIL_LIMIT;
2428 $days = 1;
2429
2430 print "Sending digests, batch of max $user_limit users, days = $days, headline limit = $limit\n\n";
2431
2432 if (DB_TYPE == "pgsql") {
2433 $interval_query = "last_digest_sent < NOW() - INTERVAL '$days days'";
2434 } else if (DB_TYPE == "mysql") {
2435 $interval_query = "last_digest_sent < DATE_SUB(NOW(), INTERVAL $days DAY)";
2436 }
2437
2438 $result = db_query($link, "SELECT id,email FROM ttrss_users
2439 WHERE email != '' AND (last_digest_sent IS NULL OR $interval_query)");
2440
2441 while ($line = db_fetch_assoc($result)) {
2442 if (get_pref($link, 'DIGEST_ENABLE', $line['id'], false)) {
2443 print "Sending digest for UID:" . $line['id'] . " - " . $line["email"] . " ... ";
2444
2445 $tuple = prepare_headlines_digest($link, $line["id"], $days, $limit);
2446 $digest = $tuple[0];
2447 $headlines_count = $tuple[1];
2448
2449 if ($headlines_count > 0) {
2450 $rc = mail($line["login"] . " <" . $line["email"] . ">",
2451 "[tt-rss] New headlines for last 24 hours", $digest,
2452 "From: " . MAIL_FROM . "\n".
2453 "Content-Type: text/plain; charset=\"utf-8\"\n".
2454 "Content-Transfer-Encoding: 8bit\n");
2455 print "RC=$rc\n";
2456 db_query($link, "UPDATE ttrss_users SET last_digest_sent = NOW()
2457 WHERE id = " . $line["id"]);
2458 } else {
2459 print "No headlines\n";
2460 }
2461 }
2462 }
2463
2464 // $digest = prepare_headlines_digest($link, $user_id, $days, $limit);
2465
2466 }
2467
2468 function prepare_headlines_digest($link, $user_id, $days = 1, $limit = 100) {
2469 $tmp = "New headlines for last 24 hours, as of " . date("Y/m/d H:m") . "\n";
2470 $tmp .= "=======================================================\n\n";
2471
2472 if (DB_TYPE == "pgsql") {
2473 $interval_query = "ttrss_entries.date_entered > NOW() - INTERVAL '$days days'";
2474 } else if (DB_TYPE == "mysql") {
2475 $interval_query = "ttrss_entries.date_entered > DATE_SUB(NOW(), INTERVAL $days DAY)";
2476 }
2477
2478 $result = db_query($link, "SELECT ttrss_entries.title,
2479 ttrss_feeds.title AS feed_title,
2480 date_entered,
2481 link,
2482 SUBSTRING(last_updated,1,19) AS last_updated
2483 FROM
2484 ttrss_user_entries,ttrss_entries,ttrss_feeds
2485 WHERE
2486 ref_id = ttrss_entries.id AND feed_id = ttrss_feeds.id
2487 AND include_in_digest = true
2488 AND $interval_query
2489 AND ttrss_user_entries.owner_uid = $user_id
2490 AND unread = true ORDER BY ttrss_feeds.title, date_entered DESC
2491 LIMIT $limit");
2492
2493 $cur_feed_title = "";
2494
2495 $headlines_count = db_num_rows($result);
2496
2497 while ($line = db_fetch_assoc($result)) {
2498 $updated = smart_date_time(strtotime($line["last_updated"]));
2499 $feed_title = $line["feed_title"];
2500
2501 if ($cur_feed_title != $feed_title) {
2502 $cur_feed_title = $feed_title;
2503
2504 $tmp .= "$feed_title\n\n";
2505 }
2506
2507 $tmp .= " * " . trim($line["title"]) . " - $updated\n";
2508 $tmp .= " " . trim($line["link"]) . "\n";
2509 $tmp .= "\n";
2510 }
2511
2512 $tmp .= "--- \n";
2513 $tmp .= "You have been sent this email because you have enabled daily digests in Tiny Tiny RSS at " .
2514 DIGEST_HOSTNAME . "\n".
2515 "To unsubscribe, visit your configuration options or contact instance owner.\n";
2516
2517
2518 return array($tmp, $headlines_count);
2519 }
2520
2521 function check_for_update($link) {
2522 $releases_feed = "http://tt-rss.spb.ru/releases.rss";
2523
2524 if (!CHECK_FOR_NEW_VERSION || $_SESSION["access_level"] < 10) {
2525 return;
2526 }
2527
2528 error_reporting(0);
2529 $rss = fetch_rss($releases_feed);
2530 error_reporting (DEFAULT_ERROR_LEVEL);
2531
2532 if ($rss) {
2533
2534 $items = $rss->items;
2535
2536 if (!$items || !is_array($items)) $items = $rss->entries;
2537 if (!$items || !is_array($items)) $items = $rss;
2538
2539 if (!is_array($items) || count($items) == 0) {
2540 return;
2541 }
2542
2543 $latest_item = $items[0];
2544
2545 $latest_version = trim(preg_replace("/(Milestone)|(completed)/", "", $latest_item["title"]));
2546
2547 $release_url = sanitize_rss($latest_item["link"]);
2548 $content = sanitize_rss($latest_item["description"]);
2549
2550 if (version_compare(VERSION, $latest_version) == -1) {
2551 return "<div class=\"notice\"><a href=\"javascript:showBlockElement('milestoneDetails')\">
2552 New version of Tiny-Tiny RSS ($latest_version) is available (click for details)</a>
2553 <div id=\"milestoneDetails\">$content</div></div>";
2554 }
2555 }
2556 }
2557
2558 function markArticlesById($link, $ids, $cmode) {
2559
2560 $tmp_ids = array();
2561
2562 foreach ($ids as $id) {
2563 array_push($tmp_ids, "ref_id = '$id'");
2564 }
2565
2566 $ids_qpart = join(" OR ", $tmp_ids);
2567
2568 if ($cmode == 0) {
2569 db_query($link, "UPDATE ttrss_user_entries SET
2570 marked = false,last_read = NOW()
2571 WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
2572 } else if ($cmode == 1) {
2573 db_query($link, "UPDATE ttrss_user_entries SET
2574 marked = true
2575 WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
2576 } else {
2577 db_query($link, "UPDATE ttrss_user_entries SET
2578 marked = NOT marked,last_read = NOW()
2579 WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
2580 }
2581 }
2582
2583 function catchupArticlesById($link, $ids, $cmode) {
2584
2585 $tmp_ids = array();
2586
2587 foreach ($ids as $id) {
2588 array_push($tmp_ids, "ref_id = '$id'");
2589 }
2590
2591 $ids_qpart = join(" OR ", $tmp_ids);
2592
2593 if ($cmode == 0) {
2594 db_query($link, "UPDATE ttrss_user_entries SET
2595 unread = false,last_read = NOW()
2596 WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
2597 } else if ($cmode == 1) {
2598 db_query($link, "UPDATE ttrss_user_entries SET
2599 unread = true
2600 WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
2601 } else {
2602 db_query($link, "UPDATE ttrss_user_entries SET
2603 unread = NOT unread,last_read = NOW()
2604 WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
2605 }
2606 }
2607
2608 function escape_for_form($s) {
2609 return htmlspecialchars(db_unescape_string($s));
2610 }
2611
2612 function make_guid_from_title($title) {
2613 return preg_replace("/[ \"\',.:;]/", "-",
2614 mb_strtolower(strip_tags($title)));
2615 }
2616
2617 function print_headline_subtoolbar($link, $feed_site_url, $feed_title,
2618 $bottom = false, $rtl_content = false, $feed_id = 0,
2619 $is_cat = false, $search = false, $match_on = false,
2620 $search_mode = false) {
2621
2622 if (!$bottom) {
2623 $class = "headlinesSubToolbar";
2624 $tid = "headlineActionsTop";
2625 } else {
2626 $class = "headlinesSubToolbar";
2627 $tid = "headlineActionsBottom";
2628 }
2629
2630 print "<table class=\"$class\" id=\"$tid\"
2631 width=\"100%\" cellspacing=\"0\" cellpadding=\"0\"><tr>";
2632
2633 if ($rtl_content) {
2634 $rtl_cpart = "RTL";
2635 } else {
2636 $rtl_cpart = "";
2637 }
2638
2639 if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
2640
2641 print "<td class=\"headlineActions$rtl_cpart\">
2642 Select:
2643 <a href=\"javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, '', true)\">All</a>,
2644 <a href=\"javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true)\">Unread</a>,
2645 <a href=\"javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false)\">None</a>
2646 &nbsp;&nbsp;
2647 Toggle: <a href=\"javascript:selectionToggleUnread()\">Unread</a>,
2648 <a href=\"javascript:selectionToggleMarked()\">Starred</a>
2649 &nbsp;&nbsp;
2650 Mark as read:
2651 <a href=\"#\" onclick=\"catchupPage()\">Page</a>,
2652 <a href=\"#\" onclick=\"catchupCurrentFeed()\">Feed</a>";
2653 print "</td>";
2654
2655 if ($search && $feed_id > 0 && get_pref($link, 'ENABLE_LABELS') && GLOBAL_ENABLE_LABELS) {
2656 print "<td class=\"headlineActions$rtl_cpart\">
2657 <a href=\"javascript:labelFromSearch('$search', '$search_mode',
2658 '$match_on', '$feed_id', '$is_cat');\">
2659 Convert this search to label</a></td>";
2660 }
2661
2662 } else {
2663
2664 print "<td class=\"headlineActions$rtl_cpart\">
2665 Select:
2666 <a href=\"javascript:cdmSelectArticles('all')\">All</a>,
2667 <a href=\"javascript:cdmSelectArticles('unread')\">Unread</a>,
2668 <a href=\"javascript:cdmSelectArticles('none')\">None</a>
2669 &nbsp;&nbsp;
2670 Toggle: <a href=\"javascript:selectionToggleUnread(true)\">Unread</a>,
2671 <a href=\"javascript:selectionToggleMarked(true)\">Starred</a>";
2672
2673 print "</td>";
2674
2675 }
2676
2677 print "<td class=\"headlineTitle$rtl_cpart\">";
2678
2679 if ($feed_site_url) {
2680 if (!$bottom) {
2681 $target = "target=\"_blank\"";
2682 }
2683 print "<a $target href=\"$feed_site_url\">$feed_title</a>";
2684 } else {
2685 print $feed_title;
2686 }
2687
2688 if ($search) {
2689 $search_q = "&q=$search&m=$match_on&smode=$search_mode";
2690 }
2691
2692 if (!$bottom) {
2693 print "&nbsp;
2694 <a target=\"_new\"
2695 href=\"backend.php?op=rss&id=$feed_id&is_cat=$is_cat$search_q\">
2696 <img class=\"noborder\"
2697 alt=\"Generated feed\" src=\"images/feed-icon-12x12.png\">
2698 </a>";
2699 }
2700
2701 print "</td>";
2702 print "</tr></table>";
2703
2704 }
2705
2706 ?>
web-based news feed (RSS/Atom) reader and aggregator; see https://tt-rss.org/