]> git.wh0rd.org Git - tt-rss.git/blob - functions.php
fix some issues in infinite scrolling
[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
11         function get_translations() {
12                 $tr = array(
13                                         "auto"  => "Detect automatically",
14                                         "en_US" => "English",
15                                         "fr_FR" => "Français",
16                                         "ru_RU" => "Русский",
17                                         "zh_CN" => "Simplified Chinese");
18
19                 return $tr;
20         }
21
22         if (ENABLE_TRANSLATIONS == true) { 
23                 require_once "accept-to-gettext.php";
24                 require_once "gettext/gettext.inc";
25
26                 function startup_gettext() {
27         
28                         # Get locale from Accept-Language header
29                         $lang = al2gt(array_keys(get_translations()), "text/html");
30
31                         if (defined('_TRANSLATION_OVERRIDE_DEFAULT')) {
32                                 $lang = _TRANSLATION_OVERRIDE_DEFAULT;
33                         }
34
35                         if ($_COOKIE["ttrss_lang"] && $_COOKIE["ttrss_lang"] != "auto") {                               
36                                 $lang = $_COOKIE["ttrss_lang"];
37                         }
38
39                         if ($lang) {
40                                 _setlocale(LC_MESSAGES, $lang);
41                                 _bindtextdomain("messages", "locale");
42                                 _textdomain("messages");
43                                 _bind_textdomain_codeset("messages", "UTF-8");
44                         }
45                 }
46
47                 startup_gettext();
48
49         } else {
50                 function __($msg) {
51                         return $msg;
52                 }
53                 function startup_gettext() {
54                         // no-op
55                         return true;
56                 }
57         }
58
59         require_once 'db-prefs.php';
60         require_once 'compat.php';
61         require_once 'errors.php';
62         require_once 'version.php';
63
64         define('MAGPIE_USER_AGENT_EXT', ' (Tiny Tiny RSS/' . VERSION . ')');
65         define('MAGPIE_OUTPUT_ENCODING', 'UTF-8');
66
67         if (ENABLE_SIMPLEPIE) {
68                 require_once "simplepie/simplepie.inc";
69         } else {
70                 require_once "magpierss/rss_fetch.inc";
71                 require_once 'magpierss/rss_utils.inc';
72         }
73
74         include_once "tw/tw-config.php";
75         include_once "tw/tw.php";
76         include_once TW_SETUP . "paranoya.php";
77
78         $tw_parser = new twParser();
79
80         function _debug($msg) {
81                 $ts = strftime("%H:%M:%S", time());
82                 print "[$ts] $msg\n";
83         }
84
85         function purge_feed($link, $feed_id, $purge_interval, $debug = false) {
86
87                 $rows = -1;
88
89                 if (DB_TYPE == "pgsql") {
90 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
91                                 marked = false AND feed_id = '$feed_id' AND
92                                 (SELECT date_entered FROM ttrss_entries WHERE
93                                         id = ref_id) < NOW() - INTERVAL '$purge_interval days'"); */
94
95                         $pg_version = get_pgsql_version($link);
96
97                         if (preg_match("/^7\./", $pg_version) || preg_match("/^8\.0/", $pg_version)) {
98
99                                 $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE 
100                                         ttrss_entries.id = ref_id AND 
101                                         marked = false AND 
102                                         feed_id = '$feed_id' AND 
103                                         ttrss_entries.date_entered < NOW() - INTERVAL '$purge_interval days'");
104
105                         } else {
106
107                                 $result = db_query($link, "DELETE FROM ttrss_user_entries 
108                                         USING ttrss_entries 
109                                         WHERE ttrss_entries.id = ref_id AND 
110                                         marked = false AND 
111                                         feed_id = '$feed_id' AND 
112                                         ttrss_entries.date_entered < NOW() - INTERVAL '$purge_interval days'");
113                         }
114
115                         $rows = pg_affected_rows($result);
116                         
117                 } else {
118                 
119 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
120                                 marked = false AND feed_id = '$feed_id' AND
121                                 (SELECT date_entered FROM ttrss_entries WHERE 
122                                         id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
123
124                         $result = db_query($link, "DELETE FROM ttrss_user_entries 
125                                 USING ttrss_user_entries, ttrss_entries 
126                                 WHERE ttrss_entries.id = ref_id AND 
127                                 marked = false AND 
128                                 feed_id = '$feed_id' AND 
129                                 ttrss_entries.date_entered < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
130                                         
131                         $rows = mysql_affected_rows($link);
132
133                 }
134
135                 if ($debug) {
136                         _debug("Purged feed $feed_id ($purge_interval): deleted $rows articles");
137                 }
138         }
139
140         function global_purge_old_posts($link, $do_output = false, $limit = false) {
141
142                 $random_qpart = sql_random_function();
143
144                 if ($limit) {
145                         $limit_qpart = "LIMIT $limit";
146                 } else {
147                         $limit_qpart = "";
148                 }
149                 
150                 $result = db_query($link, 
151                         "SELECT id,purge_interval,owner_uid FROM ttrss_feeds 
152                                 ORDER BY $random_qpart $limit_qpart");
153
154                 while ($line = db_fetch_assoc($result)) {
155
156                         $feed_id = $line["id"];
157                         $purge_interval = $line["purge_interval"];
158                         $owner_uid = $line["owner_uid"];
159
160                         if ($purge_interval == 0) {
161                         
162                                 $tmp_result = db_query($link, 
163                                         "SELECT value FROM ttrss_user_prefs WHERE
164                                                 pref_name = 'PURGE_OLD_DAYS' AND owner_uid = '$owner_uid'");
165
166                                 if (db_num_rows($tmp_result) != 0) {                    
167                                         $purge_interval = db_fetch_result($tmp_result, 0, "value");
168                                 }
169                         }
170
171                         if ($do_output) {
172 //                              print "Feed $feed_id: purge interval = $purge_interval\n";
173                         }
174
175                         if ($purge_interval > 0) {
176                                 purge_feed($link, $feed_id, $purge_interval, $do_output);
177                         }
178                 }       
179
180                 // purge orphaned posts in main content table
181                 db_query($link, "DELETE FROM ttrss_entries WHERE 
182                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
183
184         }
185
186         function purge_old_posts($link) {
187
188                 $user_id = $_SESSION["uid"];
189         
190                 $result = db_query($link, "SELECT id,purge_interval FROM ttrss_feeds 
191                         WHERE owner_uid = '$user_id'");
192
193                 while ($line = db_fetch_assoc($result)) {
194
195                         $feed_id = $line["id"];
196                         $purge_interval = $line["purge_interval"];
197
198                         if ($purge_interval == 0) $purge_interval = get_pref($link, 'PURGE_OLD_DAYS');
199
200                         if ($purge_interval > 0) {
201                                 purge_feed($link, $feed_id, $purge_interval);
202                         }
203                 }       
204
205                 // purge orphaned posts in main content table
206                 db_query($link, "DELETE FROM ttrss_entries WHERE 
207                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
208         }
209
210         function update_all_feeds($link, $fetch, $user_id = false, $force_daemon = false) {
211
212                 if (WEB_DEMO_MODE) return;
213
214                 if (!$user_id) {
215                         $user_id = $_SESSION["uid"];
216                         purge_old_posts($link);
217                 }
218
219 //              db_query($link, "BEGIN");
220
221                 if (MAX_UPDATE_TIME > 0) {
222                         if (DB_TYPE == "mysql") {
223                                 $q_order = "RAND()";
224                         } else {
225                                 $q_order = "RANDOM()";
226                         }
227                 } else {
228                         $q_order = "last_updated DESC";
229                 }
230
231                 $result = db_query($link, "SELECT feed_url,id,
232                         SUBSTRING(last_updated,1,19) AS last_updated,
233                         update_interval FROM ttrss_feeds WHERE owner_uid = '$user_id'
234                         ORDER BY $q_order");
235
236                 $upd_start = time();
237
238                 while ($line = db_fetch_assoc($result)) {
239                         $upd_intl = $line["update_interval"];
240
241                         if (!$upd_intl || $upd_intl == 0) {
242                                 $upd_intl = get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $user_id, false);
243                         }
244
245                         if ($upd_intl < 0) { 
246                                 // Updates for this feed are disabled
247                                 continue; 
248                         }
249
250                         if ($fetch || (!$line["last_updated"] || 
251                                 time() - strtotime($line["last_updated"]) > ($upd_intl * 60))) {
252
253 //                              print "<!-- feed: ".$line["feed_url"]." -->";
254
255                                 update_rss_feed($link, $line["feed_url"], $line["id"], $force_daemon);
256
257                                 $upd_elapsed = time() - $upd_start;
258
259                                 if (MAX_UPDATE_TIME > 0 && $upd_elapsed > MAX_UPDATE_TIME) {
260                                         return;
261                                 }
262                         }
263                 }
264
265 //              db_query($link, "COMMIT");
266
267         }
268
269         function fetch_file_contents($url) {
270                 if (USE_CURL_FOR_ICONS) {
271                         $tmpfile = tempnam(TMP_DIRECTORY, "ttrss-tmp");
272
273                         $ch = curl_init($url);
274                         $fp = fopen($tmpfile, "w");
275
276                         if ($fp) {
277                                 curl_setopt($ch, CURLOPT_FILE, $fp);
278                                 curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 15);
279                                 curl_setopt($ch, CURLOPT_TIMEOUT, 45);
280                                 curl_exec($ch);
281                                 curl_close($ch);
282                                 fclose($fp);                                    
283                         }
284
285                         $contents =  file_get_contents($tmpfile);
286                         unlink($tmpfile);
287
288                         return $contents;
289
290                 } else {
291                         return file_get_contents($url);
292                 }
293
294         }
295
296         // adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/)
297         // http://dev.wp-plugins.org/file/favatars/trunk/favatars.php
298
299         function get_favicon_url($url) {
300
301                 if ($html = @fetch_file_contents($url)) {
302
303                         if ( preg_match('/<link[^>]+rel="(?:shortcut )?icon"[^>]+?href="([^"]+?)"/si', $html, $matches)) {
304                                 // Attempt to grab a favicon link from their webpage url
305                                 $linkUrl = html_entity_decode($matches[1]);
306
307                                 if (substr($linkUrl, 0, 1) == '/') {
308                                         $urlParts = parse_url($url);
309                                         $faviconURL = $urlParts['scheme'].'://'.$urlParts['host'].$linkUrl;
310                                 } else if (substr($linkUrl, 0, 7) == 'http://') {
311                                         $faviconURL = $linkUrl;
312                                 } else if (substr($url, -1, 1) == '/') {
313                                         $faviconURL = $url.$linkUrl;
314                                 } else {
315                                         $faviconURL = $url.'/'.$linkUrl;
316                                 }
317
318                         } else {
319                                 // If unsuccessful, attempt to "guess" the favicon location
320                                 $urlParts = parse_url($url);
321                                 $faviconURL = $urlParts['scheme'].'://'.$urlParts['host'].'/favicon.ico';
322                         }
323                 }
324
325                 // Run a test to see if what we have attempted to get actually exists.
326                 if(USE_CURL_FOR_ICONS || url_validate($faviconURL)) {
327                         return $faviconURL;
328                 } else {
329                         return false;
330                 }
331         }
332
333         function url_validate($link) {
334                 
335                 $url_parts = @parse_url($link);
336
337                 if ( empty( $url_parts["host"] ) )
338                                 return false;
339
340                 if ( !empty( $url_parts["path"] ) ) {
341                                 $documentpath = $url_parts["path"];
342                 } else {
343                                 $documentpath = "/";
344                 }
345
346                 if ( !empty( $url_parts["query"] ) )
347                                 $documentpath .= "?" . $url_parts["query"];
348
349                 $host = $url_parts["host"];
350                 $port = $url_parts["port"];
351                 
352                 if ( empty($port) )
353                                 $port = "80";
354
355                 $socket = @fsockopen( $host, $port, $errno, $errstr, 30 );
356                 
357                 if ( !$socket )
358                                 return false;
359                                 
360                 fwrite ($socket, "HEAD ".$documentpath." HTTP/1.0\r\nHost: $host\r\n\r\n");
361
362                 $http_response = fgets( $socket, 22 );
363
364                 $responses = "/(200 OK)|(30[0-9] Moved)/";
365                 if ( preg_match($responses, $http_response) ) {
366                                 fclose($socket);
367                                 return true;
368                 } else {
369                                 return false;
370                 }
371
372         } 
373
374         function check_feed_favicon($site_url, $feed, $link) {
375                 $favicon_url = get_favicon_url($site_url);
376
377 #               print "FAVICON [$site_url]: $favicon_url\n";
378
379                 error_reporting(0);
380
381                 $icon_file = ICONS_DIR . "/$feed.ico";
382
383                 if ($favicon_url && !file_exists($icon_file)) {
384                         $contents = fetch_file_contents($favicon_url);
385
386                         $fp = fopen($icon_file, "w");
387
388                         if ($fp) {
389                                 fwrite($fp, $contents);
390                                 fclose($fp);
391                                 chmod($icon_file, 0644);
392                         }
393                 }
394
395                 error_reporting(DEFAULT_ERROR_LEVEL);
396
397         }
398
399         function update_rss_feed($link, $feed_url, $feed, $ignore_daemon = false) {
400
401                 if (DAEMON_REFRESH_ONLY && !$_GET["daemon"] && !$ignore_daemon) {
402                         return;                 
403                 }
404
405                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
406                         _debug("update_rss_feed: start");
407                 }
408
409                 $result = db_query($link, "SELECT update_interval,auth_login,auth_pass  
410                         FROM ttrss_feeds WHERE id = '$feed'");
411
412                 $auth_login = db_fetch_result($result, 0, "auth_login");
413                 $auth_pass = db_fetch_result($result, 0, "auth_pass");
414
415                 $update_interval = db_fetch_result($result, 0, "update_interval");
416
417                 if ($update_interval < 0) { return; }
418
419                 $feed = db_escape_string($feed);
420
421                 $fetch_url = $feed_url;
422
423                 if ($auth_login && $auth_pass) {
424                         $url_parts = array();
425                         preg_match("/(^[^:]*):\/\/(.*)/", $fetch_url, $url_parts);
426
427                         if ($url_parts[1] && $url_parts[2]) {
428                                 $fetch_url = $url_parts[1] . "://$auth_login:$auth_pass@" . $url_parts[2];
429                         }
430
431                 }
432
433                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
434                         _debug("update_rss_feed: fetching [$fetch_url]...");
435                 }
436
437                 if (!defined('DAEMON_EXTENDED_DEBUG') && !$_GET['xdebug']) {
438                         error_reporting(0);
439                 }
440
441                 if (!ENABLE_SIMPLEPIE) {
442                         $rss = fetch_rss($fetch_url);
443                 } else {
444                         $rss = new SimplePie();
445                         $rss->set_useragent(SIMPLEPIE_USERAGENT . MAGPIE_USER_AGENT_EXT);
446                         $rss->set_timeout(MAGPIE_FETCH_TIME_OUT);
447                         $rss->set_feed_url($fetch_url);
448                         $rss->set_output_encoding('UTF-8');
449                         $rss->init();
450                 }
451
452 //              print_r($rss);
453
454                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
455                         _debug("update_rss_feed: fetch done, parsing...");
456                 } else {
457                         error_reporting (DEFAULT_ERROR_LEVEL);
458                 }
459
460                 $feed = db_escape_string($feed);
461
462                 if (ENABLE_SIMPLEPIE) {
463                         $fetch_ok = !$rss->error();
464                 } else {
465                         $fetch_ok = !!$rss;
466                 }
467
468                 if ($fetch_ok) {
469
470                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
471                                 _debug("update_rss_feed: processing feed data...");
472                         }
473
474 //                      db_query($link, "BEGIN");
475
476                         $result = db_query($link, "SELECT title,icon_url,site_url,owner_uid
477                                 FROM ttrss_feeds WHERE id = '$feed'");
478
479                         $registered_title = db_fetch_result($result, 0, "title");
480                         $orig_icon_url = db_fetch_result($result, 0, "icon_url");
481                         $orig_site_url = db_fetch_result($result, 0, "site_url");
482
483                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
484
485                         if (ENABLE_SIMPLEPIE) {
486                                 $site_url = $rss->get_link();
487                         } else {
488                                 $site_url = $rss->channel["link"];
489                         }
490
491                         if (get_pref($link, 'ENABLE_FEED_ICONS', $owner_uid, false)) {  
492                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
493                                         _debug("update_rss_feed: checking favicon...");
494                                 }
495
496                                 check_feed_favicon($site_url, $feed, $link);
497                         }
498
499                         if (!$registered_title || $registered_title == "[Unknown]") {
500
501                                 if (ENABLE_SIMPLEPIE) {
502                                         $feed_title = $rss->get_title();
503                                 } else {
504                                         $feed_title = db_escape_string($rss->channel["title"]);
505                                 }
506
507                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
508                                         _debug("update_rss_feed: registering title: $feed_title");
509                                 }
510                                 
511                                 db_query($link, "UPDATE ttrss_feeds SET 
512                                         title = '$feed_title' WHERE id = '$feed'");
513                         }
514
515                         // weird, weird Magpie
516                         if (!ENABLE_SIMPLEPIE) {
517                                 if (!$site_url) $site_url = db_escape_string($rss->channel["link_"]);
518                         }
519
520                         if ($site_url && $orig_site_url != db_escape_string($site_url)) {
521                                 db_query($link, "UPDATE ttrss_feeds SET 
522                                         site_url = '$site_url' WHERE id = '$feed'");
523                         }
524
525 //                      print "I: " . $rss->channel["image"]["url"];
526
527                         if (!ENABLE_SIMPLEPIE) {
528                                 $icon_url = $rss->image["url"];
529                         } else {
530                                 $icon_url = $rss->get_image_url();
531                         }
532
533                         if ($icon_url && !$orig_icon_url != db_escape_string($icon_url)) {
534                                 $icon_url = db_escape_string($icon_url);
535                                 db_query($link, "UPDATE ttrss_feeds SET icon_url = '$icon_url' WHERE id = '$feed'");
536                         }
537
538                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
539                                 _debug("update_rss_feed: loading filters...");
540                         }
541
542                         $filters = array();
543
544                         $result = db_query($link, "SELECT reg_exp,
545                                 ttrss_filter_types.name AS name,
546                                 ttrss_filter_actions.name AS action,
547                                 inverse,
548                                 action_param
549                                 FROM ttrss_filters,ttrss_filter_types,ttrss_filter_actions WHERE                                        
550                                         enabled = true AND
551                                         owner_uid = $owner_uid AND
552                                         ttrss_filter_types.id = filter_type AND
553                                         ttrss_filter_actions.id = action_id AND
554                                 (feed_id IS NULL OR feed_id = '$feed') ORDER BY reg_exp");
555
556                         while ($line = db_fetch_assoc($result)) {
557                                 if (!$filters[$line["name"]]) $filters[$line["name"]] = array();
558
559                                 $filter["reg_exp"] = $line["reg_exp"];
560                                 $filter["action"] = $line["action"];
561                                 $filter["action_param"] = $line["action_param"];
562                                 $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
563                         
564                                 array_push($filters[$line["name"]], $filter);
565                         }
566
567                         if (ENABLE_SIMPLEPIE) {
568                                 $iterator = $rss->get_items();
569                         } else {
570                                 $iterator = $rss->items;
571                                 if (!$iterator || !is_array($iterator)) $iterator = $rss->entries;
572                                 if (!$iterator || !is_array($iterator)) $iterator = $rss;
573                         }
574
575                         if (!is_array($iterator)) {
576                                 /* db_query($link, "UPDATE ttrss_feeds 
577                                         SET last_error = 'Parse error: can\'t find any articles.'
578                                         WHERE id = '$feed'"); */
579
580                                 // clear any errors and mark feed as updated if fetched okay
581                                 // even if it's blank
582
583                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
584                                         _debug("update_rss_feed: entry iterator is not an array, no articles?");
585                                 }
586
587                                 db_query($link, "UPDATE ttrss_feeds 
588                                         SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
589
590                                 return; // no articles
591                         }
592
593                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
594                                 _debug("update_rss_feed: processing articles...");
595                         }
596
597                         foreach ($iterator as $item) {
598
599                                 if (ENABLE_SIMPLEPIE) {
600                                         $entry_guid = $item->get_id();
601                                         if (!$entry_guid) $entry_guid = $item->get_link();
602                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item->get_title());
603
604                                 } else {
605
606                                         $entry_guid = $item["id"];
607
608                                         if (!$entry_guid) $entry_guid = $item["guid"];
609                                         if (!$entry_guid) $entry_guid = $item["link"];
610                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item["title"]);
611                                 }
612
613                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
614                                         _debug("update_rss_feed: guid $entry_guid");
615                                 }
616
617                                 if (!$entry_guid) continue;
618
619                                 $entry_timestamp = "";
620
621                                 if (ENABLE_SIMPLEPIE) {
622                                         $entry_timestamp = strtotime($item->get_date());
623                                 } else {
624                                         $rss_2_date = $item['pubdate'];
625                                         $rss_1_date = $item['dc']['date'];
626                                         $atom_date = $item['issued'];
627                                         if (!$atom_date) $atom_date = $item['updated'];
628                         
629                                         if ($atom_date != "") $entry_timestamp = parse_w3cdtf($atom_date);
630                                         if ($rss_1_date != "") $entry_timestamp = parse_w3cdtf($rss_1_date);
631                                         if ($rss_2_date != "") $entry_timestamp = strtotime($rss_2_date);
632                                 }
633                                 
634                                 if ($entry_timestamp == "" || $entry_timestamp == -1 || !$entry_timestamp) {
635                                         $entry_timestamp = time();
636                                         $no_orig_date = 'true';
637                                 } else {
638                                         $no_orig_date = 'false';
639                                 }
640
641                                 $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
642
643                                 if (ENABLE_SIMPLEPIE) {
644                                         $entry_title = $item->get_title();
645                                 } else {
646                                         $entry_title = trim(strip_tags($item["title"]));
647                                 }
648
649                                 if (ENABLE_SIMPLEPIE) {
650                                         $entry_link = $item->get_link();
651                                 } else {
652                                         // strange Magpie workaround
653                                         $entry_link = $item["link_"];
654                                         if (!$entry_link) $entry_link = $item["link"];
655                                 }
656
657                                 if (!$entry_title) continue;
658
659                                 $entry_link = strip_tags($entry_link);
660
661                                 if (ENABLE_SIMPLEPIE) {
662                                         $entry_content = $item->get_description();
663                                 } else {
664                                         $entry_content = $item["content:escaped"];
665
666                                         if (!$entry_content) $entry_content = $item["content:encoded"];
667                                         if (!$entry_content) $entry_content = $item["content"];
668                                         if (!$entry_content) $entry_content = $item["atom_content"];
669                                         if (!$entry_content) $entry_content = $item["summary"];
670                                         if (!$entry_content) $entry_content = $item["description"];
671
672                                         // WTF
673                                         if (is_array($entry_content)) {
674                                                 $entry_content = $entry_content["encoded"];
675                                                 if (!$entry_content) $entry_content = $entry_content["escaped"];
676                                         }
677                                 }
678
679 //                              print_r($item);
680 //                              print_r(htmlspecialchars($entry_content));
681 //                              print "<br>";
682
683                                 $entry_content_unescaped = $entry_content;
684
685                                 if (ENABLE_SIMPLEPIE) {
686                                         $entry_comments = strip_tags($item->data["comments"]);
687                                         if ($item->get_author()) {
688                                                 $entry_author = $item->get_author()->get_name();
689                                         }
690                                 } else {
691                                         $entry_comments = strip_tags($item["comments"]);
692                                 
693                                         $entry_author = db_escape_string(strip_tags($item['dc']['creator']));
694
695                                         if ($item['author']) {
696         
697                                                 if (is_array($item['author'])) {
698         
699                                                         if (!$entry_author) {
700                                                                 $entry_author = db_escape_string(strip_tags($item['author']['name']));
701                                                         }
702         
703                                                         if (!$entry_author) {
704                                                                 $entry_author = db_escape_string(strip_tags($item['author']['email']));
705                                                         }
706                                                 }
707         
708                                                 if (!$entry_author) {
709                                                         $entry_author = db_escape_string(strip_tags($item['author']));
710                                                 }
711                                         }
712                                 }
713
714                                 if (preg_match('/^[\t\n\r ]*$/', $entry_author)) $entry_author = '';
715
716                                 $entry_guid = db_escape_string(strip_tags($entry_guid));
717
718                                 $result = db_query($link, "SELECT id FROM       ttrss_entries 
719                                         WHERE guid = '$entry_guid'");
720
721                                 $entry_content = db_escape_string($entry_content);
722
723                                 $content_hash = "SHA1:" . sha1(strip_tags($entry_content));
724
725                                 $entry_title = db_escape_string($entry_title);
726                                 $entry_link = db_escape_string($entry_link);
727                                 $entry_comments = mb_substr(db_escape_string($entry_comments), 0, 250);
728                                 $entry_author = mb_substr($entry_author, 0, 250);
729
730                                 if (ENABLE_SIMPLEPIE) {
731                                         $num_comments = 0; #FIXME#
732                                 } else {
733                                         $num_comments = db_escape_string($item["slash"]["comments"]);
734                                 }
735
736                                 if (!$num_comments) $num_comments = 0;
737
738                                 // parse <category> entries into tags
739
740                                 if (ENABLE_SIMPLEPIE) {
741
742                                         $additional_tags = array();
743                                         $additional_tags_src = $item->get_categories();
744
745                                         if (is_array($additional_tags_src)) {
746                                                 foreach ($additional_tags_src as $tobj) {
747                                                         array_push($additional_tags, $tobj->get_term());
748                                                 }
749                                         }
750
751                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
752                                                 _debug("update_rss_feed: category tags:");
753                                                 print_r($additional_tags);
754                                         }
755
756                                 } else {
757
758                                         $t_ctr = $item['category#'];
759
760                                         $additional_tags = false;
761         
762                                         if ($t_ctr == 0) {
763                                                 $additional_tags = false;
764                                         } else if ($t_ctr == 1) {
765                                                 $additional_tags = array($item['category']);
766                                         } else {
767                                                 $additional_tags = array();
768                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
769                                                         if ($item["category#$i"]) {
770                                                                 array_push($additional_tags, $item["category#$i"]);
771                                                         }
772                                                 }
773                                         }
774         
775                                         // parse <dc:subject> elements
776         
777                                         $t_ctr = $item['dc']['subject#'];
778         
779                                         if ($t_ctr == 1) {
780                                                 $additional_tags = array($item['dc']['subject']);
781                                         } else if ($t_ctr > 1) {
782                                                 $additional_tags = array();
783                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
784                                                         if ($item['dc']["subject#$i"]) {
785                                                                 array_push($additional_tags, $item['dc']["subject#$i"]);
786                                                         }
787                                                 }
788                                         }
789                                 }
790
791                                 # sanitize content
792                                 
793 //                              $entry_content = sanitize_rss($entry_content);
794
795                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
796                                         _debug("update_rss_feed: done collecting data [TITLE:$entry_title]");
797                                 }
798
799                                 db_query($link, "BEGIN");
800
801                                 if (db_num_rows($result) == 0) {
802
803                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
804                                                 _debug("update_rss_feed: base guid not found");
805                                         }
806
807                                         // base post entry does not exist, create it
808
809                                         $result = db_query($link,
810                                                 "INSERT INTO ttrss_entries 
811                                                         (title,
812                                                         guid,
813                                                         link,
814                                                         updated,
815                                                         content,
816                                                         content_hash,
817                                                         no_orig_date,
818                                                         date_entered,
819                                                         comments,
820                                                         num_comments,
821                                                         author)
822                                                 VALUES
823                                                         ('$entry_title', 
824                                                         '$entry_guid', 
825                                                         '$entry_link',
826                                                         '$entry_timestamp_fmt', 
827                                                         '$entry_content', 
828                                                         '$content_hash',
829                                                         $no_orig_date, 
830                                                         NOW(), 
831                                                         '$entry_comments',
832                                                         '$num_comments',
833                                                         '$entry_author')");
834                                 } else {
835                                         // we keep encountering the entry in feeds, so we need to
836                                         // update date_entered column so that we don't get horrible
837                                         // dupes when the entry gets purged and reinserted again e.g.
838                                         // in the case of SLOW SLOW OMG SLOW updating feeds
839
840                                         $base_entry_id = db_fetch_result($result, 0, "id");
841
842                                         db_query($link, "UPDATE ttrss_entries SET date_entered = NOW()
843                                                 WHERE id = '$base_entry_id'");
844                                 }
845
846                                 // now it should exist, if not - bad luck then
847
848                                 $result = db_query($link, "SELECT 
849                                                 id,content_hash,no_orig_date,title,
850                                                 substring(date_entered,1,19) as date_entered,
851                                                 substring(updated,1,19) as updated,
852                                                 num_comments
853                                         FROM 
854                                                 ttrss_entries 
855                                         WHERE guid = '$entry_guid'");
856
857                                 if (db_num_rows($result) == 1) {
858
859                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
860                                                 _debug("update_rss_feed: base guid found, checking for user record");
861                                         }
862
863                                         // this will be used below in update handler
864                                         $orig_content_hash = db_fetch_result($result, 0, "content_hash");
865                                         $orig_title = db_fetch_result($result, 0, "title");
866                                         $orig_num_comments = db_fetch_result($result, 0, "num_comments");
867                                         $orig_date_entered = strtotime(db_fetch_result($result, 
868                                                 0, "date_entered"));
869
870                                         $ref_id = db_fetch_result($result, 0, "id");
871
872                                         // check for user post link to main table
873
874                                         // do we allow duplicate posts with same GUID in different feeds?
875                                         if (get_pref($link, "ALLOW_DUPLICATE_POSTS", $owner_uid, false)) {
876                                                 $dupcheck_qpart = "AND feed_id = '$feed'";
877                                         } else { 
878                                                 $dupcheck_qpart = "";
879                                         }
880
881 //                                      error_reporting(0);
882
883                                         $article_filters = get_article_filters($filters, $entry_title, 
884                                                         $entry_content, $entry_link);
885
886                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
887                                                 _debug("update_rss_feed: article filters: ");
888                                                 if (count($article_filters) != 0) {
889                                                         print_r($article_filters);
890                                                 }
891                                         }
892
893                                         if (find_article_filter($article_filters, "filter")) {
894                                                 continue;
895                                         }
896
897 //                                      error_reporting (DEFAULT_ERROR_LEVEL);
898
899                                         $result = db_query($link,
900                                                 "SELECT ref_id FROM ttrss_user_entries WHERE
901                                                         ref_id = '$ref_id' AND owner_uid = '$owner_uid'
902                                                         $dupcheck_qpart");
903
904                                         // okay it doesn't exist - create user entry
905                                         if (db_num_rows($result) == 0) {
906
907                                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
908                                                         _debug("update_rss_feed: user record not found, creating...");
909                                                 }
910
911                                                 if (!find_article_filter($article_filters, 'catchup')) {
912                                                         $unread = 'true';
913                                                         $last_read_qpart = 'NULL';
914                                                 } else {
915                                                         $unread = 'false';
916                                                         $last_read_qpart = 'NOW()';
917                                                 }                                               
918
919                                                 if (find_article_filter($article_filters, 'mark')) {
920                                                         $marked = 'true';
921                                                 } else {
922                                                         $marked = 'false';
923                                                 }
924
925                                                 if (find_article_filter($article_filters, 'publish')) {
926                                                         $published = 'true';
927                                                 } else {
928                                                         $published = 'false';
929                                                 }
930
931                                                 $result = db_query($link,
932                                                         "INSERT INTO ttrss_user_entries 
933                                                                 (ref_id, owner_uid, feed_id, unread, last_read, marked, published) 
934                                                         VALUES ('$ref_id', '$owner_uid', '$feed', $unread,
935                                                                 $last_read_qpart, $marked, $published)");
936                                         }
937                                         
938                                         $post_needs_update = false;
939
940                                         if (get_pref($link, "UPDATE_POST_ON_CHECKSUM_CHANGE", $owner_uid, false) &&
941                                                 ($content_hash != $orig_content_hash)) {
942 //                                              print "<!-- [$entry_title] $content_hash vs $orig_content_hash -->";
943                                                 $post_needs_update = true;
944                                         }
945
946                                         if (db_escape_string($orig_title) != $entry_title) {
947                                                 $post_needs_update = true;
948                                         }
949
950                                         if ($orig_num_comments != $num_comments) {
951                                                 $post_needs_update = true;
952                                         }
953
954 //                                      this doesn't seem to be very reliable
955 //
956 //                                      if ($orig_timestamp != $entry_timestamp && !$orig_no_orig_date) {
957 //                                              $post_needs_update = true;
958 //                                      }
959
960                                         // if post needs update, update it and mark all user entries 
961                                         // linking to this post as updated                                      
962                                         if ($post_needs_update) {
963
964                                                 if (defined('DAEMON_EXTENDED_DEBUG')) {
965                                                         _debug("update_rss_feed: post $entry_guid needs update...");
966                                                 }
967
968 //                                              print "<!-- post $orig_title needs update : $post_needs_update -->";
969
970                                                 db_query($link, "UPDATE ttrss_entries 
971                                                         SET title = '$entry_title', content = '$entry_content',
972                                                                 content_hash = '$content_hash',
973                                                                 num_comments = '$num_comments'
974                                                         WHERE id = '$ref_id'");
975
976                                                 if (get_pref($link, "MARK_UNREAD_ON_UPDATE", $owner_uid, false)) {
977                                                         db_query($link, "UPDATE ttrss_user_entries 
978                                                                 SET last_read = null, unread = true WHERE ref_id = '$ref_id'");
979                                                 } else {
980                                                         db_query($link, "UPDATE ttrss_user_entries 
981                                                                 SET last_read = null WHERE ref_id = '$ref_id' AND unread = false");
982                                                 }
983
984                                         }
985                                 }
986
987                                 db_query($link, "COMMIT");
988
989                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
990                                         _debug("update_rss_feed: looking for tags...");
991                                 }
992
993                                 /* taaaags */
994                                 // <a href="..." rel="tag">Xorg</a>, //
995
996                                 $entry_tags = null;
997
998                                 preg_match_all("/<a.*?rel=['\"]tag['\"].*?>([^<]+)<\/a>/i", 
999                                         $entry_content_unescaped, $entry_tags);
1000
1001 /*                              print "<p><br/>$entry_title : $entry_content_unescaped<br>";
1002                                 print_r($entry_tags);
1003                                 print "<br/></p>"; */
1004
1005                                 $entry_tags = $entry_tags[1];
1006
1007                                 # check for manual tags
1008
1009                                 $tag_filter = find_article_filter($article_filters, "tag"); 
1010
1011                                 if ($tag_filter) {
1012
1013                                         $manual_tags = trim_array(split(",", $tag_filter[1]));
1014
1015                                         foreach ($manual_tags as $tag) {
1016                                                 if (tag_is_valid($tag)) {
1017                                                         array_push($entry_tags, $tag);
1018                                                 }
1019                                         }
1020                                 }
1021
1022                                 $boring_tags = trim_array(split(",", mb_strtolower(get_pref($link, 
1023                                         'BLACKLISTED_TAGS', $owner_uid, ''), 'utf-8')));
1024
1025                                 if ($additional_tags && is_array($additional_tags)) {
1026                                         foreach ($additional_tags as $tag) {
1027                                                 if (tag_is_valid($tag) && 
1028                                                                 array_search($tag, $boring_tags) === FALSE) {
1029                                                         array_push($entry_tags, $tag);
1030                                                 }
1031                                         }
1032                                 } 
1033
1034 //                              print "<p>TAGS: "; print_r($entry_tags); print "</p>";
1035
1036                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1037                                         print_r($entry_tags);
1038                                 }
1039
1040                                 if (count($entry_tags) > 0) {
1041                                 
1042                                         db_query($link, "BEGIN");
1043                         
1044                                         $result = db_query($link, "SELECT id,int_id 
1045                                                 FROM ttrss_entries,ttrss_user_entries 
1046                                                 WHERE guid = '$entry_guid' 
1047                                                 AND feed_id = '$feed' AND ref_id = id
1048                                                 AND owner_uid = '$owner_uid'");
1049
1050                                         if (db_num_rows($result) == 1) {
1051
1052                                                 $entry_id = db_fetch_result($result, 0, "id");
1053                                                 $entry_int_id = db_fetch_result($result, 0, "int_id");
1054                                                 
1055                                                 foreach ($entry_tags as $tag) {
1056
1057                                                         $tag = sanitize_tag($tag);
1058                                                         $tag = db_escape_string($tag);
1059
1060                                                         if (!tag_is_valid($tag)) continue;
1061                                                         
1062                                                         $result = db_query($link, "SELECT id FROM ttrss_tags            
1063                                                                 WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND 
1064                                                                 owner_uid = '$owner_uid' LIMIT 1");
1065         
1066         //                                              print db_fetch_result($result, 0, "id");
1067         
1068                                                         if ($result && db_num_rows($result) == 0) {
1069                                                                 
1070                                                                 db_query($link, "INSERT INTO ttrss_tags 
1071                                                                         (owner_uid,tag_name,post_int_id)
1072                                                                         VALUES ('$owner_uid','$tag', '$entry_int_id')");
1073                                                         }                                                       
1074                                                 }
1075                                         }
1076                                         db_query($link, "COMMIT");
1077                                 } 
1078
1079                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1080                                         _debug("update_rss_feed: article processed");
1081                                 }
1082                         } 
1083
1084                         db_query($link, "UPDATE ttrss_feeds 
1085                                 SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
1086
1087 //                      db_query($link, "COMMIT");
1088
1089                 } else {
1090
1091                         if (ENABLE_SIMPLEPIE) {
1092                                 $error_msg = mb_substr($rss->error(), 0, 250);
1093                         } else {
1094                                 $error_msg = mb_substr(magpie_error(), 0, 250);
1095                         }
1096
1097                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1098                                 _debug("update_rss_feed: error fetching feed: $error_msg");
1099                         }
1100
1101                         $error_msg = db_escape_string($error_msg);
1102
1103                         db_query($link, 
1104                                 "UPDATE ttrss_feeds SET last_error = '$error_msg', 
1105                                         last_updated = NOW() WHERE id = '$feed'");
1106                 }
1107
1108                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1109                         _debug("update_rss_feed: done");
1110                 }
1111
1112         }
1113
1114         function print_select($id, $default, $values, $attributes = "") {
1115                 print "<select name=\"$id\" id=\"$id\" $attributes>";
1116                 foreach ($values as $v) {
1117                         if ($v == $default)
1118                                 $sel = " selected";
1119                          else
1120                                 $sel = "";
1121                         
1122                         print "<option$sel>$v</option>";
1123                 }
1124                 print "</select>";
1125         }
1126
1127         function print_select_hash($id, $default, $values, $attributes = "") {
1128                 print "<select name=\"$id\" id='$id' $attributes>";
1129                 foreach (array_keys($values) as $v) {
1130                         if ($v == $default)
1131                                 $sel = "selected";
1132                          else
1133                                 $sel = "";
1134                         
1135                         print "<option $sel value=\"$v\">".$values[$v]."</option>";
1136                 }
1137
1138                 print "</select>";
1139         }
1140
1141         function get_article_filters($filters, $title, $content, $link) {
1142                 $matches = array();
1143
1144                 if ($filters["title"]) {
1145                         foreach ($filters["title"] as $filter) {
1146                                 $reg_exp = $filter["reg_exp"];          
1147                                 $inverse = $filter["inverse"];  
1148                                 if ((!$inverse && preg_match("/$reg_exp/i", $title)) || 
1149                                                 ($inverse && !preg_match("/$reg_exp/i", $title))) {
1150
1151                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1152                                 }
1153                         }
1154                 }
1155
1156                 if ($filters["content"]) {
1157                         foreach ($filters["content"] as $filter) {
1158                                 $reg_exp = $filter["reg_exp"];
1159                                 $inverse = $filter["inverse"];
1160
1161                                 if ((!$inverse && preg_match("/$reg_exp/i", $content)) || 
1162                                                 ($inverse && !preg_match("/$reg_exp/i", $content))) {
1163
1164                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1165                                 }               
1166                         }
1167                 }
1168
1169                 if ($filters["both"]) {
1170                         foreach ($filters["both"] as $filter) {                 
1171                                 $reg_exp = $filter["reg_exp"];          
1172                                 $inverse = $filter["inverse"];
1173
1174                                 if ($inverse) {
1175                                         if (!preg_match("/$reg_exp/i", $title) || !preg_match("/$reg_exp/i", $content)) {
1176                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1177                                         }
1178                                 } else {
1179                                         if (preg_match("/$reg_exp/i", $title) || preg_match("/$reg_exp/i", $content)) {
1180                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1181                                         }
1182                                 }
1183                         }
1184                 }
1185
1186                 if ($filters["link"]) {
1187                         $reg_exp = $filter["reg_exp"];
1188                         foreach ($filters["link"] as $filter) {
1189                                 $reg_exp = $filter["reg_exp"];
1190                                 $inverse = $filter["inverse"];
1191
1192                                 if ((!$inverse && preg_match("/$reg_exp/i", $link)) || 
1193                                                 ($inverse && !preg_match("/$reg_exp/i", $link))) {
1194                                                 
1195                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1196                                 }
1197                         }
1198                 }
1199
1200                 return $matches;
1201         }
1202
1203         function find_article_filter($filters, $filter_name) {
1204                 foreach ($filters as $f) {
1205                         if ($f[0] == $filter_name) {
1206                                 return $f;
1207                         };
1208                 }
1209                 return false;
1210         }
1211
1212         function printFeedEntry($feed_id, $class, $feed_title, $unread, $icon_file, $link,
1213                 $rtl_content = false, $last_updated = false, $last_error = false) {
1214
1215                 if (file_exists($icon_file) && filesize($icon_file) > 0) {
1216                                 $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"$icon_file\">";
1217                 } else {
1218                         $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"images/blank_icon.gif\">";
1219                 }
1220
1221                 if ($rtl_content) {
1222                         $rtl_tag = "dir=\"rtl\"";
1223                 } else {
1224                         $rtl_tag = "dir=\"ltr\"";
1225                 }
1226
1227                 $error_notify_msg = "";
1228                 
1229                 if ($last_error) {
1230                         $link_title = "Error: $last_error ($last_updated)";
1231                         $error_notify_msg = "(Error)";
1232                 } else if ($last_updated) {
1233                         $link_title = "Updated: $last_updated";
1234                 }
1235
1236                 $feed = "<a title=\"$link_title\" id=\"FEEDL-$feed_id\" 
1237                         href=\"javascript:viewfeed('$feed_id', '', false, '', false, 0);\">$feed_title</a>";
1238
1239                 print "<li id=\"FEEDR-$feed_id\" class=\"$class\">";
1240                 if (get_pref($link, 'ENABLE_FEED_ICONS')) {
1241                         print "$feed_icon";
1242                 }
1243
1244                 print "<span $rtl_tag id=\"FEEDN-$feed_id\">$feed</span>";
1245
1246                 if ($unread != 0) {
1247                         $fctr_class = "";
1248                 } else {
1249                         $fctr_class = "class=\"invisible\"";
1250                 }
1251
1252                 print " <span $rtl_tag $fctr_class id=\"FEEDCTR-$feed_id\">
1253                          (<span id=\"FEEDU-$feed_id\">$unread</span>)</span>";
1254
1255                 if (get_pref($link, "EXTENDED_FEEDLIST")) {                      
1256                         print "<div class=\"feedExtInfo\">
1257                                 <span id=\"FLUPD-$feed_id\">$last_updated $error_notify_msg</span></div>";
1258                 }
1259                          
1260                 print "</li>";
1261
1262         }
1263
1264         function getmicrotime() {
1265                 list($usec, $sec) = explode(" ",microtime());
1266                 return ((float)$usec + (float)$sec);
1267         }
1268
1269         function print_radio($id, $default, $true_is, $values, $attributes = "") {
1270                 foreach ($values as $v) {
1271                 
1272                         if ($v == $default)
1273                                 $sel = "checked";
1274                          else
1275                                 $sel = "";
1276
1277                         if ($v == $true_is) {
1278                                 $sel .= " value=\"1\"";
1279                         } else {
1280                                 $sel .= " value=\"0\"";
1281                         }
1282                         
1283                         print "<input class=\"noborder\" 
1284                                 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
1285
1286                 }
1287         }
1288
1289         function initialize_user_prefs($link, $uid) {
1290
1291                 $uid = db_escape_string($uid);
1292
1293                 db_query($link, "BEGIN");
1294
1295                 $result = db_query($link, "SELECT pref_name,def_value FROM ttrss_prefs");
1296                 
1297                 $u_result = db_query($link, "SELECT pref_name 
1298                         FROM ttrss_user_prefs WHERE owner_uid = '$uid'");
1299
1300                 $active_prefs = array();
1301
1302                 while ($line = db_fetch_assoc($u_result)) {
1303                         array_push($active_prefs, $line["pref_name"]);                  
1304                 }
1305
1306                 while ($line = db_fetch_assoc($result)) {
1307                         if (array_search($line["pref_name"], $active_prefs) === FALSE) {
1308 //                              print "adding " . $line["pref_name"] . "<br>";
1309
1310                                 db_query($link, "INSERT INTO ttrss_user_prefs
1311                                         (owner_uid,pref_name,value) VALUES 
1312                                         ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
1313
1314                         }
1315                 }
1316
1317                 db_query($link, "COMMIT");
1318
1319         }
1320
1321         function lookup_user_id($link, $user) {
1322
1323                 $result = db_query($link, "SELECT id FROM ttrss_users WHERE 
1324                         login = '$login'");
1325
1326                 if (db_num_rows($result) == 1) {
1327                         return db_fetch_result($result, 0, "id");
1328                 } else {
1329                         return false;
1330                 }
1331         }
1332
1333         function http_authenticate_user($link) {
1334
1335                 error_log("http_authenticate_user: ".$_SERVER["PHP_AUTH_USER"]."\n", 3, '/tmp/tt-rss.log');
1336
1337                 if (!$_SERVER["PHP_AUTH_USER"]) {
1338
1339                         header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1340                         header('HTTP/1.0 401 Unauthorized');
1341                         exit;
1342                                         
1343                 } else {
1344                         $auth_result = authenticate_user($link, 
1345                                 $_SERVER["PHP_AUTH_USER"], $_SERVER["PHP_AUTH_PW"]);
1346
1347                         if (!$auth_result) {
1348                                 header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1349                                 header('HTTP/1.0 401 Unauthorized');
1350                                 exit;
1351                         }
1352                 }
1353
1354                 return true;
1355         }
1356
1357         function authenticate_user($link, $login, $password, $force_auth = false) {
1358
1359                 if (!SINGLE_USER_MODE) {
1360
1361                         $pwd_hash = 'SHA1:' . sha1($password);
1362
1363                         if ($force_auth && defined('_DEBUG_USER_SWITCH')) {
1364                                 $query = "SELECT id,login,access_level
1365                     FROM ttrss_users WHERE
1366                          login = '$login'";
1367                         } else {
1368                                 $query = "SELECT id,login,access_level
1369                     FROM ttrss_users WHERE
1370                          login = '$login' AND pwd_hash = '$pwd_hash'";
1371                         }
1372
1373                         $result = db_query($link, $query);
1374         
1375                         if (db_num_rows($result) == 1) {
1376                                 $_SESSION["uid"] = db_fetch_result($result, 0, "id");
1377                                 $_SESSION["name"] = db_fetch_result($result, 0, "login");
1378                                 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
1379         
1380                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " . 
1381                                         $_SESSION["uid"]);
1382         
1383                                 $user_theme = get_user_theme_path($link);
1384         
1385                                 $_SESSION["theme"] = $user_theme;
1386                                 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1387         
1388                                 initialize_user_prefs($link, $_SESSION["uid"]);
1389         
1390                                 return true;
1391                         }
1392         
1393                         return false;
1394
1395                 } else {
1396
1397                         $_SESSION["uid"] = 1;
1398                         $_SESSION["name"] = "admin";
1399
1400                         $user_theme = get_user_theme_path($link);
1401         
1402                         $_SESSION["theme"] = $user_theme;
1403                         $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1404         
1405                         initialize_user_prefs($link, $_SESSION["uid"]);
1406         
1407                         return true;
1408                 }
1409         }
1410
1411         function make_password($length = 8) {
1412
1413                 $password = "";
1414                 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ"; 
1415                 
1416         $i = 0; 
1417     
1418                 while ($i < $length) { 
1419                         $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
1420         
1421                         if (!strstr($password, $char)) { 
1422                                 $password .= $char;
1423                                 $i++;
1424                         }
1425                 }
1426                 return $password;
1427         }
1428
1429         // this is called after user is created to initialize default feeds, labels
1430         // or whatever else
1431         
1432         // user preferences are checked on every login, not here
1433
1434         function initialize_user($link, $uid) {
1435
1436                 db_query($link, "insert into ttrss_labels (owner_uid,sql_exp,description) 
1437                         values ('$uid','unread = true', 'Unread articles')");
1438
1439                 db_query($link, "insert into ttrss_labels (owner_uid,sql_exp,description) 
1440                         values ('$uid','last_read is null and unread = false', 'Updated articles')");
1441                 
1442                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1443                         values ('$uid', 'Tiny Tiny RSS: New Releases',
1444                         'http://tt-rss.spb.ru/releases.rss')");
1445
1446                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1447                         values ('$uid', 'Tiny Tiny RSS: Forum',
1448                         'http://tt-rss.spb.ru/forum/rss.php')");
1449         }
1450
1451         function logout_user() {
1452                 session_destroy();
1453                 if (isset($_COOKIE[session_name()])) {
1454                    setcookie(session_name(), '', time()-42000, '/');
1455                 }
1456         }
1457
1458         function get_script_urlpath() {
1459                 return preg_replace('/\/[^\/]*$/', "", $_SERVER["REQUEST_URI"]);
1460         }
1461
1462         function validate_session($link) {
1463                 if (SESSION_CHECK_ADDRESS && $_SESSION["uid"]) {
1464                         if ($_SESSION["ip_address"]) {
1465                                 if ($_SESSION["ip_address"] != $_SERVER["REMOTE_ADDR"]) {
1466                                         $_SESSION["login_error_msg"] = "Session failed to validate (incorrect IP)";
1467                                         return false;
1468                                 }
1469                         }
1470                 }
1471
1472 /*              if ($_SESSION["cookie_lifetime"] && $_SESSION["uid"]) {
1473
1474                         //print_r($_SESSION);
1475
1476                         if (time() > $_SESSION["cookie_lifetime"]) {
1477                                 return false;
1478                         }
1479                 } */
1480
1481                 return true;
1482         }
1483
1484         function login_sequence($link, $mobile = false) {
1485                 if (!SINGLE_USER_MODE) {
1486
1487                         if (defined('_DEBUG_USER_SWITCH') && $_SESSION["uid"]) {
1488                                 $swu = db_escape_string($_REQUEST["swu"]);
1489                                 if ($swu) {
1490                                         $_SESSION["prefs_cache"] = false;
1491                                         return authenticate_user($link, $swu, null, true);
1492                                 }
1493                         }
1494
1495                         $login_action = $_POST["login_action"];
1496
1497                         # try to authenticate user if called from login form                    
1498                         if ($login_action == "do_login") {
1499                                 $login = $_POST["login"];
1500                                 $password = $_POST["password"];
1501                                 $remember_me = $_POST["remember_me"];
1502
1503                                 if (authenticate_user($link, $login, $password)) {
1504                                         $_POST["password"] = "";
1505
1506                                         $_SESSION["language"] = $_POST["language"];
1507
1508                                         header("Location: " . $_SERVER["REQUEST_URI"]);
1509                                         exit;
1510
1511                                         return;
1512                                 } else {
1513                                         $_SESSION["login_error_msg"] = "Incorrect username or password";
1514                                 }
1515                         }
1516
1517 //                      print session_id();
1518 //                      print_r($_SESSION);
1519
1520                         if (!$_SESSION["uid"] || !validate_session($link)) {
1521                                 render_login_form($link, $mobile);
1522                                 exit;
1523                         } else {
1524                                 /* bump login timestamp */
1525                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " . 
1526                                         $_SESSION["uid"]);
1527
1528                                 if ($_SESSION["language"] && SESSION_COOKIE_LIFETIME > 0) {
1529                                         setcookie("ttrss_lang", $_SESSION["language"], 
1530                                                 time() + SESSION_COOKIE_LIFETIME);
1531                                 }
1532                         }
1533
1534                 } else {
1535                         return authenticate_user($link, "admin", null);
1536                 }
1537         }
1538
1539         function truncate_string($str, $max_len) {
1540                 if (mb_strlen($str, "utf-8") > $max_len - 3) {
1541                         return mb_substr($str, 0, $max_len, "utf-8") . "...";
1542                 } else {
1543                         return $str;
1544                 }
1545         }
1546
1547         function get_user_theme_path($link) {
1548                 $result = db_query($link, "SELECT theme_path 
1549                         FROM 
1550                                 ttrss_themes,ttrss_users
1551                         WHERE ttrss_themes.id = theme_id AND ttrss_users.id = " . $_SESSION["uid"]);
1552                 if (db_num_rows($result) != 0) {
1553                         return db_fetch_result($result, 0, "theme_path");
1554                 } else {
1555                         return null;
1556                 }
1557         }
1558
1559         function smart_date_time($timestamp) {
1560                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
1561                         return date("G:i", $timestamp);
1562                 } else if (date("Y", $timestamp) == date("Y")) {
1563                         return date("M d, G:i", $timestamp);
1564                 } else {
1565                         return date("Y/m/d, G:i", $timestamp);
1566                 }
1567         }
1568
1569         function smart_date($timestamp) {
1570                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
1571                         return "Today";
1572                 } else if (date("Y", $timestamp) == date("Y")) {
1573                         return date("D m", $timestamp);
1574                 } else {
1575                         return date("Y/m/d", $timestamp);
1576                 }
1577         }
1578
1579         function sql_bool_to_string($s) {
1580                 if ($s == "t" || $s == "1") {
1581                         return "true";
1582                 } else {
1583                         return "false";
1584                 }
1585         }
1586
1587         function sql_bool_to_bool($s) {
1588                 if ($s == "t" || $s == "1") {
1589                         return true;
1590                 } else {
1591                         return false;
1592                 }
1593         }
1594         
1595
1596         function toggleEvenOdd($a) {
1597                 if ($a == "even") 
1598                         return "odd";
1599                 else
1600                         return "even";
1601         }
1602
1603         function sanity_check($link) {
1604
1605                 error_reporting(0);
1606
1607                 $error_code = 0;
1608                 $result = db_query($link, "SELECT schema_version FROM ttrss_version");
1609                 $schema_version = db_fetch_result($result, 0, "schema_version");
1610
1611                 if ($schema_version != SCHEMA_VERSION) {
1612                         $error_code = 5;
1613                 }
1614
1615                 if (DB_TYPE == "mysql") {
1616                         $result = db_query($link, "SELECT true", false);
1617                         if (db_num_rows($result) != 1) {
1618                                 $error_code = 10;
1619                         }
1620                 }
1621
1622                 error_reporting (DEFAULT_ERROR_LEVEL);
1623
1624                 if ($error_code != 0) {
1625                         print_error_xml($error_code);
1626                         return false;
1627                 } else {
1628                         return true;
1629                 }
1630         }
1631
1632         function file_is_locked($filename) {
1633                 error_reporting(0);
1634                 $fp = fopen($filename, "r");
1635                 error_reporting(DEFAULT_ERROR_LEVEL);
1636                 if ($fp) {
1637                         if (flock($fp, LOCK_EX | LOCK_NB)) {
1638                                 flock($fp, LOCK_UN);
1639                                 fclose($fp);
1640                                 return false;
1641                         }
1642                         fclose($fp);
1643                         return true;
1644                 }
1645                 return false;
1646         }
1647
1648         function make_lockfile($filename) {
1649                 $fp = fopen($filename, "w");
1650
1651                 if (flock($fp, LOCK_EX | LOCK_NB)) {            
1652                         return $fp;
1653                 } else {
1654                         return false;
1655                 }
1656         }
1657
1658         function make_stampfile($filename) {
1659                 $fp = fopen($filename, "w");
1660
1661                 if (flock($fp, LOCK_EX | LOCK_NB)) {
1662                         fwrite($fp, time() . "\n");
1663                         flock($fp, LOCK_UN);
1664                         fclose($fp);
1665                         return true;
1666                 } else {
1667                         return false;
1668                 }
1669         }
1670
1671         function read_stampfile($filename) {
1672
1673                 error_reporting(0);
1674                 $fp = fopen($filename, "r");
1675                 error_reporting (DEFAULT_ERROR_LEVEL);
1676
1677                 if (flock($fp, LOCK_EX)) {
1678                         $stamp = fgets($fp);
1679                         flock($fp, LOCK_UN);
1680                         fclose($fp);
1681                         return $stamp;
1682                 } else {
1683                         return false;
1684                 }
1685         }
1686
1687         function sql_random_function() {
1688                 if (DB_TYPE == "mysql") {
1689                         return "RAND()";
1690                 } else {
1691                         return "RANDOM()";
1692                 }
1693         }
1694
1695         function catchup_feed($link, $feed, $cat_view) {
1696
1697                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
1698                         
1699                                 if ($cat_view) {
1700
1701                                         if ($feed > 0) {
1702                                                 $cat_qpart = "cat_id = '$feed'";
1703                                         } else {
1704                                                 $cat_qpart = "cat_id IS NULL";
1705                                         }
1706                                         
1707                                         $tmp_result = db_query($link, "SELECT id 
1708                                                 FROM ttrss_feeds WHERE $cat_qpart AND owner_uid = " . 
1709                                                 $_SESSION["uid"]);
1710
1711                                         while ($tmp_line = db_fetch_assoc($tmp_result)) {
1712
1713                                                 $tmp_feed = $tmp_line["id"];
1714
1715                                                 db_query($link, "UPDATE ttrss_user_entries 
1716                                                         SET unread = false,last_read = NOW() 
1717                                                         WHERE feed_id = '$tmp_feed' AND owner_uid = " . $_SESSION["uid"]);
1718                                         }
1719
1720                                 } else if ($feed > 0) {
1721
1722                                         $tmp_result = db_query($link, "SELECT id 
1723                                                 FROM ttrss_feeds WHERE parent_feed = '$feed'
1724                                                 ORDER BY cat_id,title");
1725
1726                                         $parent_ids = array();
1727
1728                                         if (db_num_rows($tmp_result) > 0) {
1729                                                 while ($p = db_fetch_assoc($tmp_result)) {
1730                                                         array_push($parent_ids, "feed_id = " . $p["id"]);
1731                                                 }
1732
1733                                                 $children_qpart = implode(" OR ", $parent_ids);
1734                                                 
1735                                                 db_query($link, "UPDATE ttrss_user_entries 
1736                                                         SET unread = false,last_read = NOW() 
1737                                                         WHERE (feed_id = '$feed' OR $children_qpart) 
1738                                                         AND owner_uid = " . $_SESSION["uid"]);
1739
1740                                         } else {                                                
1741                                                 db_query($link, "UPDATE ttrss_user_entries 
1742                                                         SET unread = false,last_read = NOW() 
1743                                                         WHERE feed_id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
1744                                         }
1745                                                 
1746                                 } else if ($feed < 0 && $feed > -10) { // special, like starred
1747
1748                                         if ($feed == -1) {
1749                                                 db_query($link, "UPDATE ttrss_user_entries 
1750                                                         SET unread = false,last_read = NOW()
1751                                                         WHERE marked = true AND owner_uid = ".$_SESSION["uid"]);
1752                                         }
1753
1754                                         if ($feed == -2) {
1755                                                 db_query($link, "UPDATE ttrss_user_entries 
1756                                                         SET unread = false,last_read = NOW()
1757                                                         WHERE published = true AND owner_uid = ".$_SESSION["uid"]);
1758                                         }
1759
1760                                         if ($feed == -3) {
1761
1762                                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
1763
1764                                                 if (DB_TYPE == "pgsql") {
1765                                                         $match_part .= " AND date_entered > NOW() - INTERVAL '$intl hour' "; 
1766                                                 } else {
1767                                                         $match_part .= " AND date_entered > DATE_SUB(NOW(), 
1768                                                                 INTERVAL $intl HOUR) ";
1769                                                 }
1770
1771                                                 db_query($link, "UPDATE ttrss_user_entries 
1772                                                         SET unread = false,last_read = NOW()
1773                                                         WHERE $match_part AND owner_uid = ".$_SESSION["uid"]);
1774                                         }
1775
1776                                 } else if ($feed < -10) { // label
1777
1778                                         // TODO make this more efficient
1779
1780                                         $label_id = -$feed - 11;
1781
1782                                         $tmp_result = db_query($link, "SELECT sql_exp FROM ttrss_labels
1783                                                 WHERE id = '$label_id'");                                       
1784
1785                                         if ($tmp_result) {
1786                                                 $sql_exp = db_fetch_result($tmp_result, 0, "sql_exp");
1787
1788                                                 db_query($link, "BEGIN");
1789
1790                                                 $tmp2_result = db_query($link,
1791                                                         "SELECT 
1792                                                                 int_id 
1793                                                         FROM 
1794                                                                 ttrss_user_entries,ttrss_entries,ttrss_feeds
1795                                                         WHERE
1796                                                                 ref_id = ttrss_entries.id AND 
1797                                                                 ttrss_user_entries.feed_id = ttrss_feeds.id AND
1798                                                                 $sql_exp AND
1799                                                                 ttrss_user_entries.owner_uid = " . $_SESSION["uid"]);
1800
1801                                                 while ($tmp_line = db_fetch_assoc($tmp2_result)) {
1802                                                         db_query($link, "UPDATE 
1803                                                                 ttrss_user_entries 
1804                                                         SET 
1805                                                                 unread = false, last_read = NOW()
1806                                                         WHERE
1807                                                                 int_id = " . $tmp_line["int_id"]);
1808                                                 }
1809                                                                 
1810                                                 db_query($link, "COMMIT");
1811
1812 /*                                              db_query($link, "UPDATE ttrss_user_entries,ttrss_entries 
1813                                                         SET unread = false,last_read = NOW()
1814                                                         WHERE $sql_exp
1815                                                         AND ref_id = id
1816                                                         AND owner_uid = ".$_SESSION["uid"]); */
1817                                         }
1818                                 }
1819                         } else { // tag
1820                                 db_query($link, "BEGIN");
1821
1822                                 $tag_name = db_escape_string($feed);
1823
1824                                 $result = db_query($link, "SELECT post_int_id FROM ttrss_tags
1825                                         WHERE tag_name = '$tag_name' AND owner_uid = " . $_SESSION["uid"]);
1826
1827                                 while ($line = db_fetch_assoc($result)) {
1828                                         db_query($link, "UPDATE ttrss_user_entries SET
1829                                                 unread = false, last_read = NOW() 
1830                                                 WHERE int_id = " . $line["post_int_id"]);
1831                                 }
1832                                 db_query($link, "COMMIT");
1833                         }
1834         }
1835
1836         function update_generic_feed($link, $feed, $cat_view) {
1837                         if ($cat_view) {
1838
1839                                 if ($feed > 0) {
1840                                         $cat_qpart = "cat_id = '$feed'";
1841                                 } else {
1842                                         $cat_qpart = "cat_id IS NULL";
1843                                 }
1844                                 
1845                                 $tmp_result = db_query($link, "SELECT feed_url FROM ttrss_feeds
1846                                         WHERE $cat_qpart AND owner_uid = " . $_SESSION["uid"]);
1847
1848                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {                                       
1849                                         $feed_url = $tmp_line["feed_url"];
1850                                         update_rss_feed($link, $feed_url, $feed, ENABLE_UPDATE_DAEMON);
1851                                 }
1852
1853                         } else {
1854                                 $tmp_result = db_query($link, "SELECT feed_url FROM ttrss_feeds
1855                                         WHERE id = '$feed'");
1856                                 $feed_url = db_fetch_result($tmp_result, 0, "feed_url");                                
1857                                 update_rss_feed($link, $feed_url, $feed, ENABLE_UPDATE_DAEMON);
1858                         }
1859         }
1860
1861         function getAllCounters($link, $omode = "flc") {
1862 /*              getLabelCounters($link);
1863                 getFeedCounters($link);
1864                 getTagCounters($link);
1865                 getGlobalCounters($link);
1866                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
1867                         getCategoryCounters($link);
1868                 } */
1869
1870                 if (!$omode) $omode = "flc";
1871
1872                 getGlobalCounters($link);
1873
1874                 if (strchr($omode, "l")) getLabelCounters($link);
1875                 if (strchr($omode, "f")) getFeedCounters($link);
1876                 if (strchr($omode, "t")) getTagCounters($link);
1877                 if (strchr($omode, "c")) {                      
1878                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
1879                                 getCategoryCounters($link);
1880                         }
1881                 }
1882         }       
1883
1884         function getCategoryCounters($link) {
1885                 # two special categories are -1 and -2 (all virtuals; all labels)
1886
1887                 $ctr = getCategoryUnread($link, -1);
1888
1889                 print "<counter type=\"category\" id=\"-1\" counter=\"$ctr\"/>";
1890
1891                 $ctr = getCategoryUnread($link, -2);
1892
1893                 print "<counter type=\"category\" id=\"-2\" counter=\"$ctr\"/>";
1894
1895                 $result = db_query($link, "SELECT cat_id,SUM((SELECT COUNT(int_id) 
1896                                 FROM ttrss_user_entries WHERE feed_id = ttrss_feeds.id 
1897                                         AND unread = true)) AS unread FROM ttrss_feeds 
1898                         WHERE 
1899                                 hidden = false AND owner_uid = ".$_SESSION["uid"]." GROUP BY cat_id");
1900
1901                 while ($line = db_fetch_assoc($result)) {
1902                         $line["cat_id"] = sprintf("%d", $line["cat_id"]);
1903                         print "<counter type=\"category\" id=\"".$line["cat_id"]."\" counter=\"".
1904                                 $line["unread"]."\"/>";
1905                 }
1906         }
1907
1908         function getCategoryUnread($link, $cat) {
1909
1910                 if ($cat >= 0) {
1911
1912                         if ($cat != 0) {
1913                                 $cat_query = "cat_id = '$cat'";
1914                         } else {
1915                                 $cat_query = "cat_id IS NULL";
1916                         }
1917         
1918                         $result = db_query($link, "SELECT id FROM ttrss_feeds WHERE $cat_query 
1919                                         AND hidden = false
1920                                         AND owner_uid = " . $_SESSION["uid"]);
1921         
1922                         $cat_feeds = array();
1923                         while ($line = db_fetch_assoc($result)) {
1924                                 array_push($cat_feeds, "feed_id = " . $line["id"]);
1925                         }
1926         
1927                         if (count($cat_feeds) == 0) return 0;
1928         
1929                         $match_part = implode(" OR ", $cat_feeds);
1930         
1931                         $result = db_query($link, "SELECT COUNT(int_id) AS unread 
1932                                 FROM ttrss_user_entries 
1933                                 WHERE   unread = true AND ($match_part) AND owner_uid = " . $_SESSION["uid"]);
1934         
1935                         $unread = 0;
1936         
1937                         # this needs to be rewritten
1938                         while ($line = db_fetch_assoc($result)) {
1939                                 $unread += $line["unread"];
1940                         }
1941         
1942                         return $unread;
1943                 } else if ($cat == -1) {
1944                         return getFeedUnread($link, -1) + getFeedUnread($link, -2) + getFeedUnread($link, -3);
1945                 } else if ($cat == -2) {
1946
1947                         $rv = getLabelCounters($link, false, true);
1948                         $ctr = 0;
1949
1950                         foreach (array_keys($rv) as $k) {
1951                                 if ($k < -10) {
1952                                         $ctr += $rv[$k]["counter"];
1953                                 }
1954                         }
1955
1956                         return $ctr;
1957                 }
1958         }
1959
1960         function getFeedUnread($link, $feed, $is_cat = false) {
1961                 $n_feed = sprintf("%d", $feed);
1962
1963                 if ($is_cat) {
1964                         return getCategoryUnread($link, $n_feed);               
1965                 } else if ($n_feed == -1) {
1966                         $match_part = "marked = true";
1967                 } else if ($n_feed == -2) {
1968                         $match_part = "published = true";
1969                 } else if ($n_feed == -3) {
1970                         $match_part = "unread = true";
1971
1972                         $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
1973
1974                         if (DB_TYPE == "pgsql") {
1975                                 $match_part .= " AND date_entered > NOW() - INTERVAL '$intl hour' "; 
1976                         } else {
1977                                 $match_part .= " AND date_entered > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
1978                         }
1979
1980                 } else if ($n_feed > 0) {
1981
1982                         $result = db_query($link, "SELECT id FROM ttrss_feeds 
1983                                         WHERE parent_feed = '$n_feed'
1984                                         AND hidden = false
1985                                         AND owner_uid = " . $_SESSION["uid"]);
1986
1987                         if (db_num_rows($result) > 0) {
1988
1989                                 $linked_feeds = array();
1990                                 while ($line = db_fetch_assoc($result)) {
1991                                         array_push($linked_feeds, "feed_id = " . $line["id"]);
1992                                 }
1993
1994                                 array_push($linked_feeds, "feed_id = $n_feed");
1995                                 
1996                                 $match_part = implode(" OR ", $linked_feeds);
1997
1998                                 $result = db_query($link, "SELECT COUNT(int_id) AS unread 
1999                                         FROM ttrss_user_entries
2000                                         WHERE   unread = true AND ($match_part) 
2001                                         AND owner_uid = " . $_SESSION["uid"]);
2002
2003                                 $unread = 0;
2004
2005                                 # this needs to be rewritten
2006                                 while ($line = db_fetch_assoc($result)) {
2007                                         $unread += $line["unread"];
2008                                 }
2009
2010                                 return $unread;
2011
2012                         } else {
2013                                 $match_part = "feed_id = '$n_feed'";
2014                         }
2015                 } else if ($feed < -10) {
2016
2017                         $label_id = -$feed - 11;
2018
2019                         $result = db_query($link, "SELECT sql_exp FROM ttrss_labels WHERE
2020                                 id = '$label_id' AND owner_uid = " . $_SESSION["uid"]);
2021
2022                         $match_part = db_fetch_result($result, 0, "sql_exp");
2023                 }
2024
2025                 if ($match_part) {
2026                 
2027                         $result = db_query($link, "SELECT count(int_id) AS unread 
2028                                 FROM ttrss_user_entries,ttrss_feeds,ttrss_entries WHERE
2029                                 ttrss_user_entries.feed_id = ttrss_feeds.id AND
2030                                 ttrss_user_entries.ref_id = ttrss_entries.id AND 
2031                                 ttrss_feeds.hidden = false AND
2032                                 unread = true AND ($match_part) AND ttrss_user_entries.owner_uid = " . $_SESSION["uid"]);
2033                                 
2034                 } else {
2035                 
2036                         $result = db_query($link, "SELECT COUNT(post_int_id) AS unread
2037                                 FROM ttrss_tags,ttrss_user_entries 
2038                                 WHERE tag_name = '$feed' AND post_int_id = int_id AND unread = true AND
2039                                         ttrss_tags.owner_uid = " . $_SESSION["uid"]);
2040                 }
2041                 
2042                 $unread = db_fetch_result($result, 0, "unread");
2043
2044                 return $unread;
2045         }
2046
2047         /* FIXME this needs reworking */
2048
2049         function getGlobalUnread($link, $user_id = false) {
2050
2051                 if (!$user_id) {
2052                         $user_id = $_SESSION["uid"];
2053                 }
2054
2055                 $result = db_query($link, "SELECT count(ttrss_entries.id) as c_id FROM ttrss_entries,ttrss_user_entries,ttrss_feeds
2056                         WHERE unread = true AND 
2057                         ttrss_user_entries.feed_id = ttrss_feeds.id AND
2058                         ttrss_user_entries.ref_id = ttrss_entries.id AND 
2059                         hidden = false AND
2060                         ttrss_user_entries.owner_uid = '$user_id'");
2061                 $c_id = db_fetch_result($result, 0, "c_id");
2062                 return $c_id;
2063         }
2064
2065         function getGlobalCounters($link, $global_unread = -1) {
2066                 if ($global_unread == -1) {     
2067                         $global_unread = getGlobalUnread($link);
2068                 }
2069                 print "<counter type=\"global\" id='global-unread' 
2070                         counter='$global_unread'/>";
2071
2072                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM 
2073                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2074
2075                 $subscribed_feeds = db_fetch_result($result, 0, "fn");
2076
2077                 print "<counter type=\"global\" id='subscribed-feeds' 
2078                         counter='$subscribed_feeds'/>";
2079
2080         }
2081
2082         function getTagCounters($link, $smart_mode = SMART_RPC_COUNTERS) {
2083
2084                 if ($smart_mode) {
2085                         if (!$_SESSION["tctr_last_value"]) {
2086                                 $_SESSION["tctr_last_value"] = array();
2087                         }
2088                 }
2089
2090                 $old_counters = $_SESSION["tctr_last_value"];
2091
2092                 $tctrs_modified = false;
2093
2094 /*              $result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count
2095                         FROM ttrss_tags,ttrss_entries,ttrss_user_entries WHERE
2096                         ttrss_user_entries.ref_id = ttrss_entries.id AND 
2097                         ttrss_tags.owner_uid = ".$_SESSION["uid"]." AND
2098                         post_int_id = ttrss_user_entries.int_id AND unread = true GROUP BY tag_name 
2099                 UNION
2100                         select tag_name,0 as count FROM ttrss_tags
2101                         WHERE ttrss_tags.owner_uid = ".$_SESSION["uid"]); */
2102
2103                 $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id) 
2104                         FROM ttrss_user_entries WHERE int_id = post_int_id 
2105                                 AND unread = true)) AS count FROM ttrss_tags 
2106                                 WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name 
2107                                 ORDER BY count DESC LIMIT 55");
2108                         
2109                 $tags = array();
2110
2111                 while ($line = db_fetch_assoc($result)) {
2112                         $tags[$line["tag_name"]] += $line["count"];
2113                 }
2114
2115                 foreach (array_keys($tags) as $tag) {
2116                         $unread = $tags[$tag];                  
2117
2118                         $tag = htmlspecialchars($tag);
2119
2120                         if (!$smart_mode || $old_counters[$tag] != $unread) {                   
2121                                 $old_counters[$tag] = $unread;
2122                                 $tctrs_modified = true;
2123                                 print "<counter type=\"tag\" id=\"$tag\" counter=\"$unread\"/>";
2124                         }
2125
2126                 } 
2127
2128                 if ($smart_mode && $tctrs_modified) {
2129                         $_SESSION["tctr_last_value"] = $old_counters;
2130                 }
2131
2132         }
2133
2134         function getLabelCounters($link, $smart_mode = SMART_RPC_COUNTERS, $ret_mode = false) {
2135
2136                 if ($smart_mode) {
2137                         if (!$_SESSION["lctr_last_value"]) {
2138                                 $_SESSION["lctr_last_value"] = array();
2139                         }
2140                 }
2141
2142                 $ret_arr = array();
2143                 
2144                 $old_counters = $_SESSION["lctr_last_value"];
2145                 $lctrs_modified = false;
2146
2147                 $count = getFeedUnread($link, -1);
2148
2149                 if (!$ret_mode) {
2150                         print "<counter type=\"label\" id=\"-1\" counter=\"$count\"/>";
2151                 } else {
2152                         $ret_arr["-1"]["counter"] = $count;
2153                         $ret_arr["-1"]["description"] = __("Starred articles");
2154                 }
2155
2156                 $count = getFeedUnread($link, -2);
2157
2158                 if (!$ret_mode) {
2159                         print "<counter type=\"label\" id=\"-2\" counter=\"$count\"/>";
2160                 } else {
2161                         $ret_arr["-2"]["counter"] = $count;
2162                         $ret_arr["-2"]["description"] = __("Published articles");
2163                 }
2164
2165                 $count = getFeedUnread($link, -3);
2166
2167                 if (!$ret_mode) {
2168                         print "<counter type=\"label\" id=\"-3\" counter=\"$count\"/>";
2169                 } else {
2170                         $ret_arr["-3"]["counter"] = $count;
2171                         $ret_arr["-3"]["description"] = __("Fresh articles");
2172                 }
2173
2174
2175                 $result = db_query($link, "SELECT owner_uid,id,sql_exp,description FROM
2176                         ttrss_labels WHERE owner_uid = ".$_SESSION["uid"]." ORDER by description");
2177         
2178                 while ($line = db_fetch_assoc($result)) {
2179
2180                         $id = -$line["id"] - 11;
2181
2182                         $label_name = $line["description"];
2183
2184                         error_reporting (0);
2185
2186                         $tmp_result = db_query($link, "SELECT count(ttrss_entries.id) as count FROM ttrss_user_entries,ttrss_entries,ttrss_feeds
2187                                 WHERE (" . $line["sql_exp"] . ") AND unread = true AND 
2188                                 ttrss_feeds.hidden = false AND
2189                                 ttrss_user_entries.feed_id = ttrss_feeds.id AND
2190                                 ttrss_user_entries.ref_id = ttrss_entries.id AND 
2191                                 ttrss_user_entries.owner_uid = ".$_SESSION["uid"]);
2192
2193                         $count = db_fetch_result($tmp_result, 0, "count");
2194
2195                         if (!$smart_mode || $old_counters[$id] != $count) {     
2196                                 $old_counters[$id] = $count;
2197                                 $lctrs_modified = true;
2198                                 if (!$ret_mode) {
2199                                         print "<counter type=\"label\" id=\"$id\" counter=\"$count\"/>";
2200                                 } else {
2201                                         $ret_arr[$id]["counter"] = $count;
2202                                         $ret_arr[$id]["description"] = $label_name;
2203                                 }
2204                         }
2205
2206                         error_reporting (DEFAULT_ERROR_LEVEL);
2207                 }
2208
2209                 if ($smart_mode && $lctrs_modified) {
2210                         $_SESSION["lctr_last_value"] = $old_counters;
2211                 }
2212
2213                 return $ret_arr;
2214         }
2215
2216 /*      function getFeedCounter($link, $id) {
2217         
2218                 $result = db_query($link, "SELECT 
2219                                 count(id) as count,last_error
2220                         FROM ttrss_entries,ttrss_user_entries,ttrss_feeds
2221                         WHERE feed_id = '$id' AND unread = true
2222                         AND ttrss_user_entries.feed_id = ttrss_feeds.id
2223                         AND ttrss_user_entries.ref_id = ttrss_entries.id");
2224         
2225                         $count = db_fetch_result($result, 0, "count");
2226                         $last_error = htmlspecialchars(db_fetch_result($result, 0, "last_error"));
2227                         
2228                         print "<counter type=\"feed\" id=\"$id\" counter=\"$count\" error=\"$last_error\"/>";           
2229         } */
2230
2231         function getFeedCounters($link, $smart_mode = SMART_RPC_COUNTERS) {
2232
2233                 if ($smart_mode) {
2234                         if (!$_SESSION["fctr_last_value"]) {
2235                                 $_SESSION["fctr_last_value"] = array();
2236                         }
2237                 }
2238
2239                 $old_counters = $_SESSION["fctr_last_value"];
2240
2241 /*              $result = db_query($link, "SELECT id,last_error,parent_feed,
2242                         SUBSTRING(last_updated,1,19) AS last_updated,
2243                         (SELECT count(id) 
2244                                 FROM ttrss_entries,ttrss_user_entries 
2245                                 WHERE feed_id = ttrss_feeds.id AND 
2246                                         ttrss_user_entries.ref_id = ttrss_entries.id
2247                                 AND unread = true AND owner_uid = ".$_SESSION["uid"].") as count
2248                         FROM ttrss_feeds WHERE owner_uid = ".$_SESSION["uid"] . "
2249                         AND parent_feed IS NULL"); */
2250
2251                 $result = db_query($link, "SELECT ttrss_feeds.id,
2252                                 SUBSTRING(ttrss_feeds.last_updated,1,19) AS last_updated, 
2253                                 last_error, 
2254                                 COUNT(ttrss_entries.id) AS count 
2255                         FROM ttrss_feeds 
2256                                 LEFT JOIN ttrss_user_entries ON (ttrss_user_entries.feed_id = ttrss_feeds.id 
2257                                         AND ttrss_user_entries.owner_uid = ttrss_feeds.owner_uid 
2258                                         AND ttrss_user_entries.unread = true) 
2259                                 LEFT JOIN ttrss_entries ON (ttrss_user_entries.ref_id = ttrss_entries.id) 
2260                         WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
2261                                 AND parent_feed IS NULL 
2262                         GROUP BY ttrss_feeds.id, ttrss_feeds.title, ttrss_feeds.last_updated, last_error");
2263
2264                 $fctrs_modified = false;
2265
2266                 $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
2267
2268                 while ($line = db_fetch_assoc($result)) {
2269                 
2270                         $id = $line["id"];
2271                         $count = $line["count"];
2272                         $last_error = htmlspecialchars($line["last_error"]);
2273
2274                         if (get_pref($link, 'HEADLINES_SMART_DATE')) {
2275                                 $last_updated = smart_date_time(strtotime($line["last_updated"]));
2276                         } else {
2277                                 $last_updated = date($short_date, strtotime($line["last_updated"]));
2278                         }                               
2279
2280                         $has_img = is_file(ICONS_DIR . "/$id.ico");
2281
2282                         $tmp_result = db_query($link,
2283                                 "SELECT id,COUNT(unread) AS unread
2284                                 FROM ttrss_feeds LEFT JOIN ttrss_user_entries 
2285                                         ON (ttrss_feeds.id = ttrss_user_entries.feed_id) 
2286                                 WHERE parent_feed = '$id' AND unread = true GROUP BY ttrss_feeds.id");
2287                         
2288                         if (db_num_rows($tmp_result) > 0) {                             
2289                                 while ($l = db_fetch_assoc($tmp_result)) {
2290                                         $count += $l["unread"];
2291                                 }
2292                         }
2293
2294                         if (!$smart_mode || $old_counters[$id] != $count) {
2295                                 $old_counters[$id] = $count;
2296                                 $fctrs_modified = true;
2297
2298                                 if ($last_error) {
2299                                         $error_part = "error=\"$last_error\"";
2300                                 } else {
2301                                         $error_part = "";
2302                                 }
2303
2304                                 if ($has_img) {
2305                                         $has_img_part = "hi=\"$has_img\"";
2306                                 } else {
2307                                         $has_img_part = "";
2308                                 }                               
2309
2310                                 print "<counter type=\"feed\" id=\"$id\" counter=\"$count\" $has_img_part $error_part updated=\"$last_updated\"/>";
2311                         }
2312                 }
2313
2314                 if ($smart_mode && $fctrs_modified) {
2315                         $_SESSION["fctr_last_value"] = $old_counters;
2316                 }
2317         }
2318
2319         function get_script_dt_add() {
2320                 if (strpos(VERSION, ".99") === false) {
2321                         return VERSION;
2322                 } else {
2323                         return time();
2324                 }
2325         }
2326
2327         function get_pgsql_version($link) {
2328                 $result = db_query($link, "SELECT version() AS version");
2329                 $version = split(" ", db_fetch_result($result, 0, "version"));
2330                 return $version[1];
2331         }
2332
2333         function print_error_xml($code, $add_msg = "") {
2334                 global $ERRORS;
2335
2336                 $error_msg = $ERRORS[$code];
2337                 
2338                 if ($add_msg) {
2339                         $error_msg = "$error_msg; $add_msg";
2340                 }
2341                 
2342                 print "<rpc-reply>";
2343                 print "<error error-code=\"$code\" error-msg=\"$error_msg\"/>";
2344                 print "</rpc-reply>";
2345         }
2346
2347         function subscribe_to_feed($link, $feed_link, $cat_id = 0, 
2348                         $auth_login = '', $auth_pass = '') {
2349
2350                 # check for feed:http://url
2351                 $feed_link = trim(preg_replace("/^feed:/", "", $feed_link));
2352
2353                 # check for feed://URL
2354                 if (strpos($feed_link, "//") === 0) {
2355                         $feed_link = "http:$feed_link";
2356                 }
2357
2358                 if ($feed_link == "") return;
2359
2360                 if ($cat_id == "0" || !$cat_id) {
2361                         $cat_qpart = "NULL";
2362                 } else {
2363                         $cat_qpart = "'$cat_id'";
2364                 }
2365         
2366                 $result = db_query($link,
2367                         "SELECT id FROM ttrss_feeds 
2368                         WHERE feed_url = '$feed_link' AND owner_uid = ".$_SESSION["uid"]);
2369         
2370                 if (db_num_rows($result) == 0) {
2371                         
2372                         $result = db_query($link,
2373                                 "INSERT INTO ttrss_feeds 
2374                                         (owner_uid,feed_url,title,cat_id, auth_login,auth_pass) 
2375                                 VALUES ('".$_SESSION["uid"]."', '$feed_link', 
2376                                 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass')");
2377         
2378                         $result = db_query($link,
2379                                 "SELECT id FROM ttrss_feeds WHERE feed_url = '$feed_link' 
2380                                         AND owner_uid = " . $_SESSION["uid"]);
2381         
2382                         $feed_id = db_fetch_result($result, 0, "id");
2383         
2384                         if ($feed_id) {
2385                                 update_rss_feed($link, $feed_link, $feed_id, true);
2386                         }
2387
2388                         return true;
2389                 } else {
2390                         return false;
2391                 }
2392         }
2393
2394         function print_feed_select($link, $id, $default_id = "", 
2395                 $attributes = "", $include_all_feeds = true) {
2396
2397                 print "<select id=\"$id\" name=\"$id\" $attributes>";
2398                 if ($include_all_feeds) { 
2399                         print "<option value=\"0\">".__('All feeds')."</option>";
2400                 }
2401         
2402                 $result = db_query($link, "SELECT id,title FROM ttrss_feeds
2403                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2404
2405                 if (db_num_rows($result) > 0 && $include_all_feeds) {
2406                         print "<option disabled>--------</option>";
2407                 }
2408
2409                 while ($line = db_fetch_assoc($result)) {
2410                         if ($line["id"] == $default_id) {
2411                                 $is_selected = "selected";
2412                         } else {
2413                                 $is_selected = "";
2414                         }
2415                         printf("<option $is_selected value='%d'>%s</option>", 
2416                                 $line["id"], htmlspecialchars($line["title"]));
2417                 }
2418         
2419                 print "</select>";
2420         }
2421
2422         function print_feed_cat_select($link, $id, $default_id = "", 
2423                 $attributes = "", $include_all_cats = true) {
2424                 
2425                 print "<select id=\"$id\" name=\"$id\" $attributes>";
2426
2427                 if ($include_all_cats) {
2428                         print "<option value=\"0\">".__('Uncategorized')."</option>";
2429                 }
2430
2431                 $result = db_query($link, "SELECT id,title FROM ttrss_feed_categories
2432                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2433
2434                 if (db_num_rows($result) > 0 && $include_all_cats) {
2435                         print "<option disabled>--------</option>";
2436                 }
2437
2438                 while ($line = db_fetch_assoc($result)) {
2439                         if ($line["id"] == $default_id) {
2440                                 $is_selected = "selected";
2441                         } else {
2442                                 $is_selected = "";
2443                         }
2444                         printf("<option $is_selected value='%d'>%s</option>", 
2445                                 $line["id"], htmlspecialchars($line["title"]));
2446                 }
2447
2448                 print "</select>";
2449         }
2450         
2451         function checkbox_to_sql_bool($val) {
2452                 return ($val == "on") ? "true" : "false";
2453         }
2454
2455         function getFeedCatTitle($link, $id) {
2456                 if ($id == -1) {
2457                         return __("Special");
2458                 } else if ($id < -10) {
2459                         return __("Labels");
2460                 } else if ($id > 0) {
2461                         $result = db_query($link, "SELECT ttrss_feed_categories.title 
2462                                 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
2463                                         cat_id = ttrss_feed_categories.id");
2464                         if (db_num_rows($result) == 1) {
2465                                 return db_fetch_result($result, 0, "title");
2466                         } else {
2467                                 return __("Uncategorized");
2468                         }
2469                 } else {
2470                         return "getFeedCatTitle($id) failed";
2471                 }
2472
2473         }
2474
2475         function getFeedTitle($link, $id) {
2476                 if ($id == -1) {
2477                         return __("Starred articles");
2478                 } else if ($id == -2) {
2479                         return __("Published articles");
2480                 } else if ($id == -3) {
2481                         return __("Fresh articles");
2482                 } else if ($id < -10) {
2483                         $label_id = -10 - $id;
2484                         $result = db_query($link, "SELECT description FROM ttrss_labels WHERE id = '$label_id'");
2485                         if (db_num_rows($result) == 1) {
2486                                 return db_fetch_result($result, 0, "description");
2487                         } else {
2488                                 return "Unknown label ($label_id)";
2489                         }
2490
2491                 } else if ($id > 0) {
2492                         $result = db_query($link, "SELECT title FROM ttrss_feeds WHERE id = '$id'");
2493                         if (db_num_rows($result) == 1) {
2494                                 return db_fetch_result($result, 0, "title");
2495                         } else {
2496                                 return "Unknown feed ($id)";
2497                         }
2498                 } else {
2499                         return "getFeedTitle($id) failed";
2500                 }
2501
2502         }
2503
2504         function get_session_cookie_name() {
2505                 return ((!defined('TTRSS_SESSION_NAME')) ? "ttrss_sid" : TTRSS_SESSION_NAME);
2506         }
2507
2508         function print_init_params($link) {
2509                 print "<init-params>";
2510                 if ($_SESSION["stored-params"]) {
2511                         foreach (array_keys($_SESSION["stored-params"]) as $key) {
2512                                 if ($key) {
2513                                         $value = htmlspecialchars($_SESSION["stored-params"][$key]);
2514                                         print "<param key=\"$key\" value=\"$value\"/>";
2515                                 }
2516                         }
2517                 }
2518
2519                 print "<param key=\"daemon_enabled\" value=\"" . ENABLE_UPDATE_DAEMON . "\"/>";
2520                 print "<param key=\"feeds_frame_refresh\" value=\"" . FEEDS_FRAME_REFRESH . "\"/>";
2521                 print "<param key=\"daemon_refresh_only\" value=\"" . DAEMON_REFRESH_ONLY . "\"/>";
2522
2523                 print "<param key=\"on_catchup_show_next_feed\" value=\"" . 
2524                         get_pref($link, "ON_CATCHUP_SHOW_NEXT_FEED") . "\"/>";
2525
2526                 print "<param key=\"hide_read_feeds\" value=\"" . 
2527                         (int) get_pref($link, "HIDE_READ_FEEDS") . "\"/>";
2528
2529                 print "<param key=\"feeds_sort_by_unread\" value=\"" . 
2530                         (int) get_pref($link, "FEEDS_SORT_BY_UNREAD") . "\"/>";
2531
2532                 print "<param key=\"confirm_feed_catchup\" value=\"" . 
2533                         (int) get_pref($link, "CONFIRM_FEED_CATCHUP") . "\"/>";
2534
2535                 print "<param key=\"cdm_auto_catchup\" value=\"" . 
2536                         (int) get_pref($link, "CDM_AUTO_CATCHUP") . "\"/>";
2537
2538                 print "<param key=\"icons_url\" value=\"" . ICONS_URL . "\"/>";
2539
2540                 print "<param key=\"cookie_lifetime\" value=\"" . SESSION_COOKIE_LIFETIME . "\"/>";
2541
2542                 print "<param key=\"default_view_mode\" value=\"" . 
2543                         get_pref($link, "_DEFAULT_VIEW_MODE") . "\"/>";
2544
2545                 print "<param key=\"default_view_limit\" value=\"" . 
2546                         (int) get_pref($link, "_DEFAULT_VIEW_LIMIT") . "\"/>";
2547
2548                 print "<param key=\"prefs_active_tab\" value=\"" . 
2549                         get_pref($link, "_PREFS_ACTIVE_TAB") . "\"/>";
2550
2551                 print "<param key=\"infobox_disable_overlay\" value=\"" . 
2552                         get_pref($link, "_INFOBOX_DISABLE_OVERLAY") . "\"/>";
2553
2554                 print "<param key=\"icons_location\" value=\"" . 
2555                         ICONS_URL . "\"/>";
2556
2557                 print "</init-params>";
2558         }
2559
2560         function print_runtime_info($link) {
2561                 print "<runtime-info>";
2562                 if (ENABLE_UPDATE_DAEMON) {
2563                         print "<param key=\"daemon_is_running\" value=\"".
2564                                 sprintf("%d", file_is_locked("update_daemon.lock")) . "\"/>";
2565
2566                         if ($_SESSION["daemon_stamp_check"] + 600 < time()) {
2567
2568                                 $stamp = (int)read_stampfile("update_daemon.stamp");
2569
2570                                 if ($stamp) {
2571                                         if ($stamp + 86400*3 < time()) {
2572                                                 print "<param key=\"daemon_stamp_ok\" value=\"0\"/>";
2573                                         } else {
2574                                                 print "<param key=\"daemon_stamp_ok\" value=\"1\"/>";
2575                                         }
2576
2577                                         $stamp_fmt = date("Y.m.d, G:i", $stamp);
2578
2579                                         print "<param key=\"daemon_stamp\" value=\"$stamp_fmt\"/>";
2580                                 }
2581
2582                                 $_SESSION["daemon_stamp_check"] = time();
2583                         }
2584                 }
2585
2586                 if (CHECK_FOR_NEW_VERSION && $_SESSION["access_level"] >= 10) {
2587                         
2588                         if ($_SESSION["last_version_check"] + 7200 < time()) {
2589                                 $new_version_details = check_for_update($link);
2590
2591                                 print "<param key=\"new_version_available\" value=\"".
2592                                         sprintf("%d", $new_version_details != ""). "\"/>";
2593
2594                                 $_SESSION["last_version_check"] = time();
2595                         }
2596                 }
2597
2598                 print "</runtime-info>";
2599         }
2600
2601         function getSearchSql($search, $match_on) {
2602
2603                 $search_query_part = "";
2604
2605                 $keywords = split(" ", $search);
2606                 $query_keywords = array();
2607
2608                 if ($match_on == "both") {
2609
2610                         foreach ($keywords as $k) {
2611                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) LIKE UPPER('%$k%')
2612                                         OR UPPER(ttrss_entries.content) LIKE UPPER('%$k%'))");
2613                         }
2614
2615                         $search_query_part = implode("AND", $query_keywords) . " AND ";
2616
2617                 } else if ($match_on == "title") {
2618
2619                         foreach ($keywords as $k) {
2620                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) LIKE UPPER('%$k%'))");
2621                         }
2622
2623                         $search_query_part = implode("AND", $query_keywords) . " AND ";
2624
2625                 } else if ($match_on == "content") {
2626
2627                         foreach ($keywords as $k) {
2628                                 array_push($query_keywords, "(UPPER(ttrss_entries.content) LIKE UPPER('%$k%'))");
2629                         }
2630                 }
2631
2632                 $search_query_part = implode("AND", $query_keywords);
2633
2634                 return $search_query_part;
2635         }
2636
2637         function queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view, $search, $search_mode, $match_on, $override_order = false, $offset = 0, $owner_uid = 0) {
2638
2639                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2640
2641                         if ($search) {
2642                         
2643                                 $search_query_part = getSearchSql($search, $match_on);
2644                                 $search_query_part .= " AND ";
2645
2646                         } else {
2647                                 $search_query_part = "";
2648                         }
2649
2650                         $view_query_part = "";
2651         
2652                         if ($view_mode == "adaptive") {
2653                                 if ($search) {
2654                                         $view_query_part = " ";
2655                                 } else if ($feed != -1) {
2656                                         $unread = getFeedUnread($link, $feed, $cat_view);
2657                                         if ($unread > 0) {
2658                                                 $view_query_part = " unread = true AND ";
2659                                         }
2660                                 }
2661                         }
2662         
2663                         if ($view_mode == "marked") {
2664                                 $view_query_part = " marked = true AND ";
2665                         }
2666         
2667                         if ($view_mode == "unread") {
2668                                 $view_query_part = " unread = true AND ";
2669                         }
2670         
2671                         if ($limit > 0) {
2672                                 $limit_query_part = "LIMIT " . $limit;
2673                         } 
2674
2675                         $vfeed_query_part = "";
2676         
2677                         // override query strategy and enable feed display when searching globally
2678                         if ($search && $search_mode == "all_feeds") {
2679                                 $query_strategy_part = "ttrss_entries.id > 0";
2680                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";         
2681                         } else if (preg_match("/^-?[0-9][0-9]*$/", $feed) == false) {
2682                                 $query_strategy_part = "ttrss_entries.id > 0";
2683                                 $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
2684                                         id = feed_id) as feed_title,";
2685                         } else if ($feed >= 0 && $search && $search_mode == "this_cat") {
2686         
2687                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";         
2688
2689                                 $tmp_result = false;
2690
2691                                 if ($cat_view) {
2692                                         $tmp_result = db_query($link, "SELECT id 
2693                                                 FROM ttrss_feeds WHERE cat_id = '$feed'");
2694                                 } else {
2695                                         $tmp_result = db_query($link, "SELECT id
2696                                                 FROM ttrss_feeds WHERE cat_id = (SELECT cat_id FROM ttrss_feeds 
2697                                                         WHERE id = '$feed') AND id != '$feed'");
2698                                 }
2699         
2700                                 $cat_siblings = array();
2701         
2702                                 if (db_num_rows($tmp_result) > 0) {
2703                                         while ($p = db_fetch_assoc($tmp_result)) {
2704                                                 array_push($cat_siblings, "feed_id = " . $p["id"]);
2705                                         }
2706         
2707                                         $query_strategy_part = sprintf("(feed_id = %d OR %s)", 
2708                                                 $feed, implode(" OR ", $cat_siblings));
2709         
2710                                 } else {
2711                                         $query_strategy_part = "ttrss_entries.id > 0";
2712                                 }
2713                                 
2714                         } else if ($feed >= 0) {
2715         
2716                                 if ($cat_view) {
2717
2718                                         if ($feed > 0) {
2719                                                 $query_strategy_part = "cat_id = '$feed'";
2720                                         } else {
2721                                                 $query_strategy_part = "cat_id IS NULL";
2722                                         }
2723         
2724                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2725
2726                                 } else {                
2727                                         $tmp_result = db_query($link, "SELECT id 
2728                                                 FROM ttrss_feeds WHERE parent_feed = '$feed'
2729                                                 ORDER BY cat_id,title");
2730                 
2731                                         $parent_ids = array();
2732                 
2733                                         if (db_num_rows($tmp_result) > 0) {
2734                                                 while ($p = db_fetch_assoc($tmp_result)) {
2735                                                         array_push($parent_ids, "feed_id = " . $p["id"]);
2736                                                 }
2737                 
2738                                                 $query_strategy_part = sprintf("(feed_id = %d OR %s)", 
2739                                                         $feed, implode(" OR ", $parent_ids));
2740                 
2741                                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2742                                         } else {
2743                                                 $query_strategy_part = "feed_id = '$feed'";
2744                                         }
2745                                 }
2746                         } else if ($feed == -1) { // starred virtual feed
2747                                 $query_strategy_part = "marked = true";
2748                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2749                         } else if ($feed == -2) { // published virtual feed
2750                                 $query_strategy_part = "published = true";
2751                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2752                         } else if ($feed == -3) { // fresh virtual feed
2753                                 $query_strategy_part = "unread = true";
2754
2755                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
2756
2757                                 if (DB_TYPE == "pgsql") {
2758                                         $query_strategy_part .= " AND date_entered > NOW() - INTERVAL '$intl hour' "; 
2759                                 } else {
2760                                         $query_strategy_part .= " AND date_entered > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
2761                                 }
2762
2763                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2764                         } else if ($feed <= -10) { // labels
2765                                 $label_id = -$feed - 11;
2766         
2767                                 $tmp_result = db_query($link, "SELECT sql_exp FROM ttrss_labels
2768                                         WHERE id = '$label_id'");
2769                         
2770                                 $query_strategy_part = db_fetch_result($tmp_result, 0, "sql_exp");
2771
2772                                 if (!$query_strategy_part) {
2773                                         return false;
2774                                 }
2775
2776                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2777                         } else {
2778                                 $query_strategy_part = "id > 0"; // dumb
2779                         }
2780
2781                         if (get_pref($link, 'REVERSE_HEADLINES')) {
2782                                 $order_by = "updated";
2783                         } else {        
2784                                 $order_by = "updated DESC";
2785                         }
2786
2787                         if ($override_order) {
2788                                 $order_by = $override_order;
2789                         }
2790         
2791                         $feed_title = "";
2792
2793                         if ($search && $search_mode == "all_feeds") {
2794                                 $feed_title = __("Search results")." ($search)";
2795                         } else if ($search && preg_match('/^-?[0-9][0-9]*$/', $feed) == false) {
2796                                 $feed_title = __("Search results")." ($search, $feed)";
2797                         } else if (preg_match('/^-?[0-9][0-9]*$/', $feed) == false) {
2798                                 $feed_title = $feed;
2799                         } else if (preg_match('/^-?[0-9][0-9]*$/', $feed) != false && $feed >= 0) {
2800         
2801                                 if ($cat_view) {
2802
2803                                         if ($feed != 0) {                       
2804                                                 $result = db_query($link, "SELECT title FROM ttrss_feed_categories
2805                                                         WHERE id = '$feed' AND owner_uid = $owner_uid");
2806                                                 $feed_title = db_fetch_result($result, 0, "title");
2807                                         } else {
2808                                                 $feed_title = __("Uncategorized");
2809                                         }
2810
2811                                         if ($search) {
2812                                                 $feed_title = __("Searched for")." $search ($feed_title)";
2813                                         }
2814
2815                                 } else {
2816                                         
2817                                         $result = db_query($link, "SELECT title,site_url,last_error FROM ttrss_feeds 
2818                                                 WHERE id = '$feed' AND owner_uid = $owner_uid");
2819                 
2820                                         $feed_title = db_fetch_result($result, 0, "title");
2821                                         $feed_site_url = db_fetch_result($result, 0, "site_url");
2822                                         $last_error = db_fetch_result($result, 0, "last_error");
2823
2824                                         if ($search) {
2825                                                 $feed_title = __("Searched for") . " $search ($feed_title)";
2826                                         }
2827                                 }
2828         
2829                         } else if ($feed == -1) {
2830                                 $feed_title = __("Starred articles");
2831                         } else if ($feed == -2) {
2832                                 $feed_title = __("Published articles");
2833                         } else if ($feed == -3) {
2834                                 $feed_title = __("Fresh articles");
2835                         } else if ($feed < -10) {
2836                                 $label_id = -$feed - 11;
2837                                 $result = db_query($link, "SELECT description FROM ttrss_labels
2838                                         WHERE id = '$label_id'");
2839                                 $feed_title = db_fetch_result($result, 0, "description");
2840
2841                                 if ($search) {
2842                                         $feed_title = __("Searched for") . " $search ($feed_title)";
2843                                 }
2844                         } else {
2845                                 $feed_title = "?";
2846                         }
2847
2848                         if ($feed < -10) error_reporting (0);
2849
2850                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
2851         
2852                                 if ($feed >= 0) {
2853                                         $feed_kind = "Feeds";
2854                                 } else {
2855                                         $feed_kind = "Labels";
2856                                 }
2857         
2858                                 $content_query_part = "content as content_preview,";
2859
2860                                 if ($limit_query_part) {
2861                                         $offset_query_part = "OFFSET $offset";
2862                                 }
2863
2864                                 $query = "SELECT 
2865                                                 guid,
2866                                                 ttrss_entries.id,ttrss_entries.title,
2867                                                 updated,
2868                                                 unread,feed_id,marked,published,link,last_read,
2869                                                 SUBSTRING(last_read,1,19) as last_read_noms,
2870                                                 $vfeed_query_part
2871                                                 $content_query_part
2872                                                 SUBSTRING(updated,1,19) as updated_noms,
2873                                                 author
2874                                         FROM
2875                                                 ttrss_entries,ttrss_user_entries,ttrss_feeds
2876                                         WHERE
2877                                         ttrss_feeds.hidden = false AND
2878                                         ttrss_user_entries.feed_id = ttrss_feeds.id AND
2879                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2880                                         ttrss_user_entries.owner_uid = '$owner_uid' AND
2881                                         $search_query_part
2882                                         $view_query_part
2883                                         $query_strategy_part ORDER BY $order_by
2884                                         $limit_query_part $offset_query_part";
2885                                         
2886                                 $result = db_query($link, $query);
2887         
2888                                 if ($_GET["debug"]) print $query;
2889         
2890                         } else {
2891                                 // browsing by tag
2892         
2893                                 $feed_kind = "Tags";
2894         
2895                                 $result = db_query($link, "SELECT
2896                                         guid,
2897                                         ttrss_entries.id as id,title,
2898                                         updated,
2899                                         unread,feed_id,
2900                                         marked,link,last_read,                          
2901                                         SUBSTRING(last_read,1,19) as last_read_noms,
2902                                         $vfeed_query_part
2903                                         $content_query_part
2904                                         SUBSTRING(updated,1,19) as updated_noms
2905                                         FROM
2906                                                 ttrss_entries,ttrss_user_entries,ttrss_tags
2907                                         WHERE
2908                                                 ref_id = ttrss_entries.id AND
2909                                                 ttrss_user_entries.owner_uid = '$owner_uid' AND
2910                                                 post_int_id = int_id AND tag_name = '$feed' AND
2911                                                 $view_query_part
2912                                                 $search_query_part
2913                                                 $query_strategy_part ORDER BY $order_by
2914                                         $limit_query_part");    
2915                         }
2916
2917                         return array($result, $feed_title, $feed_site_url, $last_error);
2918                         
2919         }
2920
2921         function generate_syndicated_feed($link, $owner_uid, $feed, $is_cat,
2922                 $search, $search_mode, $match_on) {
2923
2924                 $qfh_ret = queryFeedHeadlines($link, $feed, 
2925                         30, false, $is_cat, $search, $search_mode, $match_on, "updated DESC", 0,
2926                         $owner_uid);
2927
2928                 $result = $qfh_ret[0];
2929                 $feed_title = htmlspecialchars($qfh_ret[1]);
2930                 $feed_site_url = $qfh_ret[2];
2931                 $last_error = $qfh_ret[3];
2932
2933 //              if (!$feed_site_url) $feed_site_url = "http://localhost/";
2934
2935                 print "<?xml version=\"1.0\" encoding=\"utf-8\"?>
2936                         <?xml-stylesheet type=\"text/xsl\" href=\"rss.xsl\"?>
2937                         <rss version=\"2.0\">
2938                         <channel>
2939                         <title>$feed_title</title>
2940                         <link>$feed_site_url</link>
2941                         <description>Feed generated by Tiny Tiny RSS</description>";
2942  
2943                 while ($line = db_fetch_assoc($result)) {
2944                         print "<item>";
2945                         print "<guid>" . htmlspecialchars($line["guid"]) . "</guid>";
2946                         print "<link>" . htmlspecialchars($line["link"]) . "</link>";
2947
2948                         $tags = get_article_tags($link, $line["id"], $owner_uid);
2949
2950                         foreach ($tags as $tag) {
2951                                 print "<category>" . htmlspecialchars($tag) . "</category>";
2952                         }
2953
2954                         $rfc822_date = date('r', strtotime($line["updated"]));
2955   
2956                         print "<pubDate>$rfc822_date</pubDate>";
2957  
2958                         print "<title>" . 
2959                                 htmlspecialchars($line["title"]) . "</title>";
2960   
2961                         print "<description><![CDATA[" . 
2962                                 $line["content_preview"] . "]]></description>";
2963   
2964                         print "</item>";
2965                 }
2966   
2967                 print "</channel></rss>";
2968
2969         }
2970
2971         function getCategoryTitle($link, $cat_id) {
2972
2973                 if ($cat_id == -1) {
2974                         return __("Special");
2975                 } else if ($cat_id == -2) {
2976                         return __("Labels");
2977                 } else {
2978
2979                         $result = db_query($link, "SELECT title FROM ttrss_feed_categories WHERE
2980                                 id = '$cat_id'");
2981
2982                         if (db_num_rows($result) == 1) {
2983                                 return db_fetch_result($result, 0, "title");
2984                         } else {
2985                                 return "Uncategorized";
2986                         }
2987                 }
2988         }
2989
2990         // http://ru2.php.net/strip-tags
2991
2992         function strip_tags_long($textstring, $allowed){
2993         while($textstring != strip_tags($textstring, $allowed))
2994     {
2995     while (strlen($textstring) != 0)
2996          {
2997          if (strlen($textstring) > 1024) {
2998               $otherlen = 1024;
2999          } else {
3000               $otherlen = strlen($textstring);
3001          }
3002          $temptext = strip_tags(substr($textstring,0,$otherlen), $allowed);
3003          $safetext .= $temptext;
3004          $textstring = substr_replace($textstring,'',0,$otherlen);
3005          }  
3006     $textstring = $safetext;
3007     }
3008         return $textstring;
3009         }
3010
3011
3012         function sanitize_rss($link, $str, $force_strip_tags = false) {
3013                 $res = $str;
3014
3015                 if (get_pref($link, "STRIP_UNSAFE_TAGS") || $force_strip_tags) {
3016                         global $tw_parser;
3017                         global $tw_paranoya_setup;
3018
3019                         $res = $tw_parser->strip_tags($res, $tw_paranoya_setup);
3020
3021 //                      $res = preg_replace("/\r\n|\n|\r/", "", $res);
3022 //                      $res = strip_tags_long($res, "<p><a><i><em><b><strong><blockquote><br><img><div><span>");                       
3023                 }
3024
3025                 return $res;
3026         }
3027
3028         function send_headlines_digests($link, $limit = 100) {
3029
3030                 if (!DIGEST_ENABLE) return false;
3031
3032                 $user_limit = DIGEST_EMAIL_LIMIT;
3033                 $days = 1;
3034
3035                 print "Sending digests, batch of max $user_limit users, days = $days, headline limit = $limit\n\n";
3036
3037                 if (DB_TYPE == "pgsql") {
3038                         $interval_query = "last_digest_sent < NOW() - INTERVAL '$days days'";
3039                 } else if (DB_TYPE == "mysql") {
3040                         $interval_query = "last_digest_sent < DATE_SUB(NOW(), INTERVAL $days DAY)";
3041                 }
3042
3043                 $result = db_query($link, "SELECT id,email FROM ttrss_users 
3044                                 WHERE email != '' AND (last_digest_sent IS NULL OR $interval_query)");
3045
3046                 while ($line = db_fetch_assoc($result)) {
3047                         if (get_pref($link, 'DIGEST_ENABLE', $line['id'], false)) {
3048                                 print "Sending digest for UID:" . $line['id'] . " - " . $line["email"] . " ... ";
3049
3050                                 $tuple = prepare_headlines_digest($link, $line["id"], $days, $limit);
3051                                 $digest = $tuple[0];
3052                                 $headlines_count = $tuple[1];
3053
3054                                 if ($headlines_count > 0) {
3055                                         $rc = mail($line["login"] . " <" . $line["email"] . ">",
3056                                                 "[tt-rss] New headlines for last 24 hours", $digest,
3057                                                 "From: " . MAIL_FROM . "\n".
3058                                                 "Content-Type: text/plain; charset=\"utf-8\"\n".
3059                                                 "Content-Transfer-Encoding: 8bit\n");
3060                                         print "RC=$rc\n";
3061                                         db_query($link, "UPDATE ttrss_users SET last_digest_sent = NOW() 
3062                                                         WHERE id = " . $line["id"]);
3063                                 } else {
3064                                         print "No headlines\n";
3065                                 }
3066                         }
3067                 }
3068
3069 //              $digest = prepare_headlines_digest($link, $user_id, $days, $limit);
3070
3071         }
3072
3073         function prepare_headlines_digest($link, $user_id, $days = 1, $limit = 100) {
3074                 $tmp =  __("New headlines for last 24 hours, as of ") . date("Y/m/d H:m") . "\n";       
3075                 $tmp .= "=======================================================\n\n";
3076
3077                 if (DB_TYPE == "pgsql") {
3078                         $interval_query = "ttrss_entries.date_entered > NOW() - INTERVAL '$days days'";
3079                 } else if (DB_TYPE == "mysql") {
3080                         $interval_query = "ttrss_entries.date_entered > DATE_SUB(NOW(), INTERVAL $days DAY)";
3081                 }
3082
3083                 $result = db_query($link, "SELECT ttrss_entries.title,
3084                                 ttrss_feeds.title AS feed_title,
3085                                 date_entered,
3086                                 link,
3087                                 SUBSTRING(last_updated,1,19) AS last_updated
3088                         FROM 
3089                                 ttrss_user_entries,ttrss_entries,ttrss_feeds 
3090                         WHERE 
3091                                 ref_id = ttrss_entries.id AND feed_id = ttrss_feeds.id 
3092                                 AND include_in_digest = true
3093                                 AND $interval_query
3094                                 AND ttrss_user_entries.owner_uid = $user_id
3095                                 AND unread = true ORDER BY ttrss_feeds.title, date_entered DESC
3096                         LIMIT $limit");
3097
3098                 $cur_feed_title = "";
3099
3100                 $headlines_count = db_num_rows($result);
3101
3102                 while ($line = db_fetch_assoc($result)) {
3103                         $updated = smart_date_time(strtotime($line["last_updated"]));
3104                         $feed_title = $line["feed_title"];
3105
3106                         if ($cur_feed_title != $feed_title) {
3107                                 $cur_feed_title = $feed_title;
3108
3109                                 $tmp .= "$feed_title\n\n";
3110                         }
3111
3112                         $tmp .= " * " . trim($line["title"]) . " - $updated\n";
3113                         $tmp .= "   " . trim($line["link"]) . "\n";
3114                         $tmp .= "\n";
3115                 }
3116
3117                 $tmp .= "--- \n";
3118                 $tmp .= __("You have been sent this email because you have enabled daily digests in Tiny Tiny RSS at ") . 
3119                         DIGEST_HOSTNAME . "\n".
3120                         __("To unsubscribe, visit your configuration options or contact instance owner.\n");
3121                         
3122
3123                 return array($tmp, $headlines_count);
3124         }
3125
3126         function check_for_update($link, $brief_fmt = true) {
3127                 $releases_feed = "http://tt-rss.spb.ru/releases.rss";
3128
3129                 if (!CHECK_FOR_NEW_VERSION || $_SESSION["access_level"] < 10) {
3130                         return;
3131                 }
3132
3133                 error_reporting(0);
3134                 if (ENABLE_SIMPLEPIE) {
3135                         $rss = new SimplePie();
3136                         $rss->set_useragent(SIMPLEPIE_USERAGENT . MAGPIE_USER_AGENT_EXT);
3137                         $rss->set_timeout(MAGPIE_FETCH_TIME_OUT);
3138                         $rss->set_feed_url($fetch_url);
3139                         $rss->set_output_encoding('UTF-8');
3140                         $rss->init();
3141                 } else {
3142                         $rss = fetch_rss($releases_feed);
3143                 }
3144                 error_reporting (DEFAULT_ERROR_LEVEL);
3145
3146                 if ($rss) {
3147
3148                         if (ENABLE_SIMPLEPIE) {
3149                                 $items = $rss->get_items();
3150                         } else {
3151                                 $items = $rss->items;
3152
3153                                 if (!$items || !is_array($items)) $items = $rss->entries;
3154                                 if (!$items || !is_array($items)) $items = $rss;
3155                         }
3156
3157                         if (!is_array($items) || count($items) == 0) {
3158                                 return;
3159                         }                       
3160
3161                         $latest_item = $items[0];
3162
3163                         if (ENABLE_SIMPLEPIE) {
3164                                 $last_title = $latest_item->get_title();
3165                         } else {
3166                                 $last_title = $latest_item["title"];
3167                         }
3168
3169                         $latest_version = trim(preg_replace("/(Milestone)|(completed)/", "", $last_title));
3170
3171                         if (ENABLE_SIMPLEPIE) {
3172                                 $release_url = sanitize_rss($link, $latest_item->get_link());
3173                                 $content = sanitize_rss($link, $latest_item->get_description());
3174                         } else {
3175                                 $release_url = sanitize_rss($link, $latest_item["link"]);
3176                                 $content = sanitize_rss($link, $latest_item["description"]);
3177                         }
3178
3179                         if (version_compare(VERSION, $latest_version) == -1) {
3180                                 if ($brief_fmt) {
3181                                         return format_notice("<a href=\"javascript:showBlockElement('milestoneDetails')\">      
3182                                                 New version of Tiny-Tiny RSS ($latest_version) is available (click for details)</a>
3183                                                 <div id=\"milestoneDetails\">$content</div>");
3184                                 } else {
3185                                         return "New version of Tiny-Tiny RSS ($latest_version) is available:
3186                                                 <div class='milestoneDetails'>$content</div>
3187                                                 Visit <a target=\"_new\" href=\"http://tt-rss.spb.ru/\">official site</a> for
3188                                                 download and update information.";      
3189                                 }
3190
3191                         }                       
3192                 }
3193         }
3194
3195         function markArticlesById($link, $ids, $cmode) {
3196
3197                 $tmp_ids = array();
3198
3199                 foreach ($ids as $id) {
3200                         array_push($tmp_ids, "ref_id = '$id'");
3201                 }
3202
3203                 $ids_qpart = join(" OR ", $tmp_ids);
3204
3205                 if ($cmode == 0) {
3206                         db_query($link, "UPDATE ttrss_user_entries SET 
3207                         marked = false,last_read = NOW()
3208                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3209                 } else if ($cmode == 1) {
3210                         db_query($link, "UPDATE ttrss_user_entries SET 
3211                         marked = true
3212                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3213                 } else {
3214                         db_query($link, "UPDATE ttrss_user_entries SET 
3215                         marked = NOT marked,last_read = NOW()
3216                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3217                 }
3218         }
3219
3220         function publishArticlesById($link, $ids, $cmode) {
3221
3222                 $tmp_ids = array();
3223
3224                 foreach ($ids as $id) {
3225                         array_push($tmp_ids, "ref_id = '$id'");
3226                 }
3227
3228                 $ids_qpart = join(" OR ", $tmp_ids);
3229
3230                 if ($cmode == 0) {
3231                         db_query($link, "UPDATE ttrss_user_entries SET 
3232                         published = false,last_read = NOW()
3233                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3234                 } else if ($cmode == 1) {
3235                         db_query($link, "UPDATE ttrss_user_entries SET 
3236                         published = true
3237                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3238                 } else {
3239                         db_query($link, "UPDATE ttrss_user_entries SET 
3240                         published = NOT published,last_read = NOW()
3241                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3242                 }
3243         }
3244
3245         function catchupArticlesById($link, $ids, $cmode) {
3246
3247                 $tmp_ids = array();
3248
3249                 foreach ($ids as $id) {
3250                         array_push($tmp_ids, "ref_id = '$id'");
3251                 }
3252
3253                 $ids_qpart = join(" OR ", $tmp_ids);
3254
3255                 if ($cmode == 0) {
3256                         db_query($link, "UPDATE ttrss_user_entries SET 
3257                         unread = false,last_read = NOW()
3258                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3259                 } else if ($cmode == 1) {
3260                         db_query($link, "UPDATE ttrss_user_entries SET 
3261                         unread = true
3262                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3263                 } else {
3264                         db_query($link, "UPDATE ttrss_user_entries SET 
3265                         unread = NOT unread,last_read = NOW()
3266                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3267                 }
3268         }
3269
3270         function catchupArticleById($link, $id, $cmode) {
3271
3272                 if ($cmode == 0) {
3273                         db_query($link, "UPDATE ttrss_user_entries SET 
3274                         unread = false,last_read = NOW()
3275                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3276                 } else if ($cmode == 1) {
3277                         db_query($link, "UPDATE ttrss_user_entries SET 
3278                         unread = true
3279                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3280                 } else {
3281                         db_query($link, "UPDATE ttrss_user_entries SET 
3282                         unread = NOT unread,last_read = NOW()
3283                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3284                 }
3285         }
3286
3287         function make_guid_from_title($title) {
3288                 return preg_replace("/[ \"\',.:;]/", "-", 
3289                         mb_strtolower(strip_tags($title), 'utf-8'));
3290         }
3291
3292         function print_headline_subtoolbar($link, $feed_site_url, $feed_title, 
3293                         $bottom = false, $rtl_content = false, $feed_id = 0,
3294                         $is_cat = false, $search = false, $match_on = false,
3295                         $search_mode = false, $offset = 0, $limit = 0) {
3296
3297                         $user_page_offset = $offset + 1;
3298
3299                         if (!$bottom) {
3300                                 $class = "headlinesSubToolbar";
3301                                 $tid = "headlineActionsTop";
3302                         } else {
3303                                 $class = "headlinesSubToolbar";
3304                                 $tid = "headlineActionsBottom";
3305                         }
3306
3307                         print "<table class=\"$class\" id=\"$tid\"
3308                                 width=\"100%\" cellspacing=\"0\" cellpadding=\"0\"><tr>";
3309
3310                         if ($rtl_content) {
3311                                 $rtl_cpart = "RTL";
3312                         } else {
3313                                 $rtl_cpart = "";
3314                         }
3315
3316                         $page_prev_link = "javascript:viewFeedGoPage(-1)";
3317                         $page_next_link = "javascript:viewFeedGoPage(1)";
3318                         $page_first_link = "javascript:viewFeedGoPage(0)";
3319
3320                         $catchup_page_link = "javascript:catchupPage()";
3321                         $catchup_feed_link = "javascript:catchupCurrentFeed()";
3322                         $catchup_sel_link = "javascript:catchupSelection()";
3323
3324                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
3325
3326                                 $sel_all_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, '', true)";
3327                                 $sel_unread_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true)";
3328                                 $sel_none_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false)";
3329
3330                                 $tog_unread_link = "javascript:selectionToggleUnread()";
3331                                 $tog_marked_link = "javascript:selectionToggleMarked()";
3332                                 $tog_published_link = "javascript:selectionTogglePublished()";
3333
3334                         } else {
3335
3336                                 $sel_all_link = "javascript:cdmSelectArticles('all')";
3337                                 $sel_unread_link = "javascript:cdmSelectArticles('unread')";
3338                                 $sel_none_link = "javascript:cdmSelectArticles('none')";
3339
3340                                 $tog_unread_link = "javascript:selectionToggleUnread(true)";
3341                                 $tog_marked_link = "javascript:selectionToggleMarked(true)";
3342                                 $tog_published_link = "javascript:selectionTogglePublished(true)";
3343
3344                         }
3345
3346                         if (strpos($_SESSION["client.userAgent"], "MSIE") === false) {
3347
3348                                 print "<td class=\"headlineActions$rtl_cpart\">
3349                                         <ul class=\"headlineDropdownMenu\">
3350                                         <li class=\"top2\">
3351                                         ".__('Select:')."
3352                                                 <a href=\"$sel_all_link\">".__('All')."</a>,
3353                                                 <a href=\"$sel_unread_link\">".__('Unread')."</a>,
3354                                                 <a href=\"$sel_none_link\">".__('None')."</a></li>
3355                                         <li class=\"vsep\">&nbsp;</li>
3356                                         <li class=\"top\">".__('Toggle')."<ul>
3357                                                 <li onclick=\"$tog_unread_link\">".__('Unread')."</li>
3358                                                 <li onclick=\"$tog_marked_link\">".__('Starred')."</li>
3359                                                 <li onclick=\"$tog_published_link\">".__('Published')."</li>
3360                                                 </ul></li>
3361                                         <li class=\"vsep\">&nbsp;</li>
3362                                         <li class=\"top\"><a href=\"$catchup_page_link\">".__('Mark as read')."</a><ul>
3363                                                 <li onclick=\"$catchup_sel_link\">".__('Selection')."</li>
3364                                                 <!-- <li onclick=\"$catchup_page_link\">".__('This page')."</li> -->
3365                                                 <li><span class=\"insensitive\">--------</span></li>
3366                                                 <li onclick=\"catchupRelativeToArticle(0)\">".__("Above active article")."</li>
3367                                                 <li onclick=\"catchupRelativeToArticle(1)\">".__("Below active article")."</li>
3368                                                 <li><span class=\"insensitive\">--------</span></li>
3369                                                 <li onclick=\"$catchup_feed_link\">".__('Entire feed')."</li></ul></li>
3370                                         ";
3371
3372                                         $enable_pagination = get_pref($link, "_PREFS_ENABLE_PAGINATION");
3373
3374                                         if ($limit != 0 && !$search && $enable_pagination) {
3375                                                 print "
3376                                                 <li class=\"vsep\">&nbsp;</li>
3377                                                 <li class=\"top\"><a href=\"$page_next_link\">".__('Next page')."</a><ul>
3378                                                         <li onclick=\"$page_prev_link\">".__('Previous page')."</li>
3379                                                         <li onclick=\"$page_first_link\">".__('First page')."</li></ul></li>
3380                                                         </ul>";
3381                                                 }
3382
3383                                         if ($search && $feed_id >= 0 && get_pref($link, 'ENABLE_LABELS') && GLOBAL_ENABLE_LABELS) {
3384                                                 print "
3385                                                         <li class=\"vsep\">&nbsp;</li>
3386                                                         <li class=\"top3\">
3387                                                         <a href=\"javascript:labelFromSearch('$search', '$search_mode',
3388                                                                 '$match_on', '$feed_id', '$is_cat');\">
3389                                                                 ".__('Convert to label')."</a></td>";
3390                                         }
3391                                         print " 
3392                                         </td>"; 
3393
3394                         } else {
3395                         // old style subtoolbar:
3396
3397                                 print "<td class=\"headlineActions$rtl_cpart\">".
3398                                         __('Select:')."
3399                                                                 <a href=\"$sel_all_link\">".__('All')."</a>,
3400                                                                 <a href=\"$sel_unread_link\">".__('Unread')."</a>,
3401                                                                 <a href=\"$sel_none_link\">".__('None')."</a>
3402                                                 &nbsp;&nbsp;".
3403                                                 __('Toggle:')." <a href=\"$tog_unread_link\">".__('Unread')."</a>,
3404                                                         <a href=\"$tog_marked_link\">".__('Starred')."</a>
3405                                                 &nbsp;&nbsp;".
3406                                                 __('Mark as read:')."
3407                                                         <a href=\"#\" onclick=\"$catchup_page_link\">".__('Page')."</a>,
3408                                                         <a href=\"#\" onclick=\"$catchup_feed_link\">".__('Feed')."</a>";
3409
3410                                 if ($search && $feed_id >= 0 && get_pref($link, 'ENABLE_LABELS') && GLOBAL_ENABLE_LABELS) {
3411
3412                                         print "&nbsp;&nbsp;
3413                                                         <a href=\"javascript:labelFromSearch('$search', '$search_mode',
3414                                                                 '$match_on', '$feed_id', '$is_cat');\">
3415                                                         ".__('Convert to label')."</a>";
3416                                 }
3417
3418                                 print "</td>";  
3419
3420                         }
3421
3422 /*                      if ($search && $feed_id >= 0 && get_pref($link, 'ENABLE_LABELS') && GLOBAL_ENABLE_LABELS) {
3423                                 print "<td class=\"headlineActions$rtl_cpart\">
3424                                         <a href=\"javascript:labelFromSearch('$search', '$search_mode',
3425                                                         '$match_on', '$feed_id', '$is_cat');\">
3426                                                 ".__('Convert to Label')."</a></td>";
3427 } */
3428
3429                         print "<td class=\"headlineTitle$rtl_cpart\">";
3430                 
3431                         if ($feed_site_url) {
3432                                 if (!$bottom) {
3433                                         $target = "target=\"_new\"";
3434                                 }
3435                                 print "<a $target href=\"$feed_site_url\">".
3436                                         truncate_string($feed_title,30)."</a>";
3437                         } else {
3438                                 print $feed_title;
3439                         }
3440
3441                         if ($search) {
3442                                 $search_q = "&q=$search&m=$match_on&smode=$search_mode";
3443                         }
3444
3445                         if ($user_page_offset > 1) {
3446                                 print " [$user_page_offset] ";
3447                         }
3448
3449                         if (!$bottom) {
3450                                 print "
3451                                         <a target=\"_new\" 
3452                                                 href=\"backend.php?op=rss&id=$feed_id&is_cat=$is_cat$search_q\">
3453                                                 <img class=\"noborder\" 
3454                                                         alt=\"".__('Generated feed')."\" src=\"images/feed-icon-12x12.png\">
3455                                         </a>";
3456                         }
3457                                 
3458                         print "</td>";
3459                         print "</tr></table>";
3460
3461                 }
3462
3463         function printCategoryHeader($link, $cat_id, $hidden = false, $can_browse = true) {
3464
3465                         $tmp_category = getCategoryTitle($link, $cat_id);
3466                         $cat_unread = getCategoryUnread($link, $cat_id);
3467
3468                         if ($hidden) {
3469                                 $holder_style = "display:none;";
3470                                 $ellipsis = "...";
3471                         } else {
3472                                 $holder_style = "";
3473                                 $ellipsis = "";
3474                         }
3475
3476                         $catctr_class = ($cat_unread > 0) ? "catCtrHasUnread" : "catCtrNoUnread";
3477
3478                         print "<li class=\"feedCat\" id=\"FCAT-$cat_id\">
3479                                 <a id=\"FCATN-$cat_id\" href=\"javascript:toggleCollapseCat($cat_id)\">$tmp_category</a>";
3480
3481                         if ($can_browse) {
3482                                 print "<a href=\"#\" onclick=\"javascript:viewCategory($cat_id)\" id=\"FCAP-$cat_id\">";
3483                         } else {
3484                                 print "<span id=\"FCAP-$cat_id\">";
3485                         }
3486
3487                         print " <span id=\"FCATCTR-$cat_id\" title=\"Click to browse category\" 
3488                                 class=\"$catctr_class\">($cat_unread)</span> $ellipsis";
3489
3490                         if ($can_browse) {
3491                                 print "</a>";
3492                         } else {
3493                                 print "</span>";
3494                         }
3495
3496                         print "</li>";
3497
3498                         print "<li id=\"feedCatHolder\" class=\"$holder_class\"><ul class=\"feedCatList\" id=\"FCATLIST-$cat_id\" style='$holder_style'>";
3499         }
3500         
3501         function outputFeedList($link, $tags = false) {
3502
3503                 print "<ul class=\"feedList\" id=\"feedList\">";
3504
3505                 $owner_uid = $_SESSION["uid"];
3506
3507                 /* virtual feeds */
3508
3509                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
3510
3511                         if ($_COOKIE["ttrss_vf_vclps"] == 1) {
3512                                 $cat_hidden = true;
3513                         } else {
3514                                 $cat_hidden = false;
3515                         }
3516
3517 #                       print "<li class=\"feedCat\">".__('Special')."</li>";
3518 #                       print "<li id=\"feedCatHolder\" class=\"feedCatHolder\"><ul class=\"feedCatList\">";            
3519 #                       print "<li class=\"feedCat\">".
3520 #                               "<a id=\"FCATN--1\" href=\"javascript:toggleCollapseCat(-1)\">".
3521 #                               __('Special')."</a> <span id='FCAP--1'>$ellipsis</span></li>";
3522 #
3523 #                       print "<li id=\"feedCatHolder\" class=\"feedCatHolder\">
3524 #                               <ul class=\"feedCatList\" id='FCATLIST--1' style='$holder_style'>";
3525
3526 #                       $cat_unread = getCategoryUnread($link, -1);
3527 #                       $tmp_category = __("Special");
3528 #                       $catctr_class = ($cat_unread > 0) ? "catCtrHasUnread" : "catCtrNoUnread";
3529
3530                         printCategoryHeader($link, -1, $cat_hidden, false);
3531                 }
3532
3533                 $num_starred = getFeedUnread($link, -1);
3534                 $num_published = getFeedUnread($link, -2);
3535                 $num_fresh = getFeedUnread($link, -3);
3536
3537                 $class = "virt";
3538
3539                 if ($num_fresh > 0) $class .= "Unread";
3540
3541                 printFeedEntry(-3, $class, __("Fresh articles"), $num_fresh, 
3542                         "images/fresh.png", $link);
3543
3544                 $class = "virt";
3545
3546                 if ($num_starred > 0) $class .= "Unread";
3547
3548                 $is_ie = (strpos($_SESSION["client.userAgent"], "MSIE") !== false);
3549
3550                 if ($is_ie) {
3551                         $mark_img_ext = "gif";
3552                 } else {
3553                         $mark_img_ext = "png";
3554                 }
3555
3556                 printFeedEntry(-1, $class, __("Starred articles"), $num_starred, 
3557                         "images/mark_set.$mark_img_ext", $link);
3558
3559                 $class = "virt";
3560
3561                 if ($num_published > 0) $class .= "Unread";
3562
3563                 printFeedEntry(-2, $class, __("Published articles"), $num_published, 
3564                         "images/pub_set.gif", $link);
3565
3566                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
3567                         print "</ul>";
3568                 }
3569
3570                 if (!$tags) {
3571
3572                         if (GLOBAL_ENABLE_LABELS && get_pref($link, 'ENABLE_LABELS')) {
3573         
3574                                 $result = db_query($link, "SELECT id,sql_exp,description FROM
3575                                         ttrss_labels WHERE owner_uid = '$owner_uid' ORDER by description");
3576                 
3577                                 if (db_num_rows($result) > 0) {
3578                                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
3579
3580                                                 if ($_COOKIE["ttrss_vf_lclps"] == 1) {
3581                                                         $cat_hidden = true;
3582                                                 } else {
3583                                                         $cat_hidden = false;
3584                                                 }
3585
3586                                                 printCategoryHeader($link, -2, $cat_hidden, false);
3587
3588 #                                               print "<li class=\"feedCat\">".
3589 #                                                       "<a id=\"FCATN--2\" href=\"javascript:toggleCollapseCat(-2)\">".
3590 #                                                       __('Labels')."</a> <span id='FCAP--2'>$ellipsis</span></li>";
3591 #
3592 #                                               print "<li id=\"feedCatHolder\" class=\"feedCatHolder\"><ul class=\"feedCatList\" id='FCATLIST--2' style='$holder_style'>";
3593                                         } else {
3594                                                 print "<li><hr></li>";
3595                                         }
3596                                 }
3597                 
3598                                 while ($line = db_fetch_assoc($result)) {
3599         
3600                                         error_reporting (0);
3601
3602                                         $label_id = -$line['id'] - 11;
3603                                         $count = getFeedUnread($link, $label_id);
3604
3605                                         $class = "label";
3606         
3607                                         if ($count > 0) {
3608                                                 $class .= "Unread";
3609                                         }
3610                                         
3611                                         error_reporting (DEFAULT_ERROR_LEVEL);
3612         
3613                                         printFeedEntry($label_id, 
3614                                                 $class, $line["description"], 
3615                                                 $count, "images/label.png", $link);
3616                 
3617                                 }
3618
3619                                 if (db_num_rows($result) > 0) {
3620                                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
3621                                                 print "</ul>";
3622                                         }
3623                                 }
3624
3625                         }
3626
3627                         if (!get_pref($link, 'ENABLE_FEED_CATS')) {
3628                                 print "<li><hr></li>";
3629                         }
3630
3631                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
3632                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
3633                                         $order_by_qpart = "category,unread DESC,title";
3634                                 } else {
3635                                         $order_by_qpart = "category,title";
3636                                 }
3637                         } else {
3638                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
3639                                         $order_by_qpart = "unread DESC,title";
3640                                 } else {                
3641                                         $order_by_qpart = "title";
3642                                 }
3643                         }
3644
3645                         $result = db_query($link, "SELECT ttrss_feeds.*,
3646                                 SUBSTRING(last_updated,1,19) AS last_updated_noms,
3647                                 (SELECT COUNT(id) FROM ttrss_entries,ttrss_user_entries
3648                                         WHERE feed_id = ttrss_feeds.id AND unread = true
3649                                                 AND ttrss_user_entries.ref_id = ttrss_entries.id
3650                                                 AND owner_uid = '$owner_uid') as unread,
3651                                 cat_id,last_error,
3652                                 ttrss_feed_categories.title AS category,
3653                                 ttrss_feed_categories.collapsed 
3654                                 FROM ttrss_feeds LEFT JOIN ttrss_feed_categories 
3655                                         ON (ttrss_feed_categories.id = cat_id)                          
3656                                 WHERE 
3657                                         ttrss_feeds.hidden = false AND
3658                                         ttrss_feeds.owner_uid = '$owner_uid' AND parent_feed IS NULL
3659                                 ORDER BY $order_by_qpart"); 
3660
3661                         $actid = $_GET["actid"];
3662         
3663                         /* real feeds */
3664         
3665                         $lnum = 0;
3666         
3667                         $total_unread = 0;
3668
3669                         $category = "";
3670
3671                         $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
3672         
3673                         while ($line = db_fetch_assoc($result)) {
3674                         
3675                                 $feed = trim($line["title"]);
3676
3677                                 if (!$feed) $feed = "[Untitled]";
3678
3679                                 $feed_id = $line["id"];   
3680         
3681                                 $subop = $_GET["subop"];
3682                                 
3683                                 $unread = $line["unread"];
3684
3685                                 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
3686                                         $last_updated = smart_date_time(strtotime($line["last_updated_noms"]));
3687                                 } else {
3688                                         $last_updated = date($short_date, strtotime($line["last_updated_noms"]));
3689                                 }
3690
3691                                 $rtl_content = sql_bool_to_bool($line["rtl_content"]);
3692
3693                                 if ($rtl_content) {
3694                                         $rtl_tag = "dir=\"RTL\"";
3695                                 } else {
3696                                         $rtl_tag = "";
3697                                 }
3698
3699                                 $tmp_result = db_query($link,
3700                                         "SELECT id,COUNT(unread) AS unread
3701                                         FROM ttrss_feeds LEFT JOIN ttrss_user_entries 
3702                                                 ON (ttrss_feeds.id = ttrss_user_entries.feed_id) 
3703                                         WHERE parent_feed = '$feed_id' AND unread = true 
3704                                         GROUP BY ttrss_feeds.id");
3705                         
3706                                 if (db_num_rows($tmp_result) > 0) {                             
3707                                         while ($l = db_fetch_assoc($tmp_result)) {
3708                                                 $unread += $l["unread"];
3709                                         }
3710                                 }
3711
3712                                 $cat_id = $line["cat_id"];
3713
3714                                 $tmp_category = $line["category"];
3715
3716                                 if (!$tmp_category) {
3717                                         $tmp_category = __("Uncategorized");
3718                                 }
3719                                 
3720         //                      $class = ($lnum % 2) ? "even" : "odd";
3721
3722                                 if ($line["last_error"]) {
3723                                         $class = "error";
3724                                 } else {
3725                                         $class = "feed";
3726                                 }
3727         
3728                                 if ($unread > 0) $class .= "Unread";
3729         
3730                                 if ($actid == $feed_id) {
3731                                         $class .= "Selected";
3732                                 }
3733         
3734                                 $total_unread += $unread;
3735
3736                                 if ($category != $tmp_category && get_pref($link, 'ENABLE_FEED_CATS')) {
3737                                 
3738                                         if ($category) {
3739                                                 print "</ul></li>";
3740                                         }
3741                                 
3742                                         $category = $tmp_category;
3743
3744                                         $collapsed = $line["collapsed"];
3745
3746                                         // workaround for NULL category
3747                                         if ($category == __("Uncategorized")) {
3748                                                 if ($_COOKIE["ttrss_vf_uclps"] == 1) {
3749                                                         $collapsed = "t";
3750                                                 }
3751                                         }
3752
3753                                         if ($collapsed == "t" || $collapsed == "1") {
3754                                                 $holder_class = "feedCatHolder";
3755                                                 $holder_style = "display:none;";
3756                                                 $ellipsis = "...";
3757                                         } else {
3758                                                 $holder_class = "feedCatHolder";
3759                                                 $holder_style = "";
3760                                                 $ellipsis = "";
3761                                         }
3762
3763                                         $cat_id = sprintf("%d", $cat_id);
3764
3765                                         $cat_unread = getCategoryUnread($link, $cat_id);
3766
3767                                         $catctr_class = ($cat_unread > 0) ? "catCtrHasUnread" : "catCtrNoUnread";
3768
3769                                         print "<li class=\"feedCat\" id=\"FCAT-$cat_id\">
3770                                                 <a id=\"FCATN-$cat_id\" href=\"javascript:toggleCollapseCat($cat_id)\">$tmp_category</a>
3771                                                         <a href=\"#\" onclick=\"javascript:viewCategory($cat_id)\" id=\"FCAP-$cat_id\">
3772                                                         <span id=\"FCATCTR-$cat_id\" title=\"Click to browse category\" 
3773                                                         class=\"$catctr_class\">($cat_unread)</span> $ellipsis
3774                                                         </a></li>";
3775
3776                                         print "<li id=\"feedCatHolder\" class=\"$holder_class\"><ul class=\"feedCatList\" id=\"FCATLIST-$cat_id\" style='$holder_style'>";
3777                                 }
3778         
3779                                 printFeedEntry($feed_id, $class, $feed, $unread, 
3780                                         ICONS_DIR."/$feed_id.ico", $link, $rtl_content, 
3781                                         $last_updated, $line["last_error"]);
3782         
3783                                 ++$lnum;
3784                         }
3785
3786                         if (db_num_rows($result) == 0) {
3787                                 print "<li>".__('No feeds to display.')."</li>";
3788                         }
3789
3790                 } else {
3791
3792                         // tags
3793
3794 /*                      $result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count
3795                                 FROM ttrss_tags,ttrss_entries,ttrss_user_entries WHERE
3796                                 post_int_id = ttrss_user_entries.int_id AND 
3797                                 unread = true AND ref_id = ttrss_entries.id
3798                                 AND ttrss_tags.owner_uid = '$owner_uid' GROUP BY tag_name       
3799                         UNION
3800                                 select tag_name,0 as count FROM ttrss_tags WHERE owner_uid = '$owner_uid'
3801                         ORDER BY tag_name"); */
3802
3803                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
3804                                 print "<li class=\"feedCat\">".__('Tags')."</li>";
3805                                 print "<li id=\"feedCatHolder\"><ul class=\"feedCatList\">";
3806                         }
3807
3808                         $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id) 
3809                                 FROM ttrss_user_entries WHERE int_id = post_int_id 
3810                                         AND unread = true)) AS count FROM ttrss_tags 
3811                                         WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name 
3812                                         ORDER BY count DESC LIMIT 50");
3813
3814                         $tags = array();
3815         
3816                         while ($line = db_fetch_assoc($result)) {
3817                                 $tags[$line["tag_name"]] += $line["count"];
3818                         }
3819         
3820                         foreach (array_keys($tags) as $tag) {
3821         
3822                                 $unread = $tags[$tag];
3823         
3824                                 $class = "tag";
3825         
3826                                 if ($unread > 0) {
3827                                         $class .= "Unread";
3828                                 }
3829         
3830                                 printFeedEntry($tag, $class, $tag, $unread, "images/tag.png", $link);
3831         
3832                         } 
3833
3834                         if (db_num_rows($result) == 0) {
3835                                 print "<li>No tags to display.</li>";
3836                         }
3837
3838                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
3839                                 print "</ul>";
3840                         }
3841
3842                 }
3843
3844                 print "</ul>";
3845
3846         }
3847
3848         function get_article_tags($link, $id, $owner_uid = 0) {
3849
3850                 $a_id = db_escape_string($id);
3851
3852                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3853
3854                 $tmp_result = db_query($link, "SELECT DISTINCT tag_name, 
3855                         owner_uid as owner FROM
3856                         ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
3857                                 ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name");
3858
3859                 $tags = array();        
3860         
3861                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
3862                         array_push($tags, $tmp_line["tag_name"]);                               
3863                 }
3864
3865                 return $tags;
3866         }
3867
3868         function trim_value(&$value) {
3869                 $value = trim($value);
3870         }       
3871
3872         function trim_array($array) {
3873                 $tmp = $array;
3874                 array_walk($tmp, 'trim_value');
3875                 return $tmp;
3876         }
3877
3878         function tag_is_valid($tag) {
3879                 if ($tag == '') return false;
3880                 if (preg_match("/^[0-9]*$/", $tag)) return false;
3881
3882                 $tag = iconv("utf-8", "utf-8", $tag);
3883                 if (!$tag) return false;
3884
3885                 return true;
3886         }
3887
3888         function render_login_form($link, $mobile = false) {
3889                 if (!$mobile) {
3890                         require_once "login_form.php";
3891                 } else {
3892                         require_once "mobile/login_form.php";
3893                 }
3894         }
3895
3896         // from http://developer.apple.com/internet/safari/faq.html
3897         function no_cache_incantation() {
3898                 header("Expires: Mon, 22 Dec 1980 00:00:00 GMT"); // Happy birthday to me :)
3899                 header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // always modified
3900                 header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0"); // HTTP/1.1
3901                 header("Cache-Control: post-check=0, pre-check=0", false);
3902                 header("Pragma: no-cache"); // HTTP/1.0
3903         }
3904
3905         function format_warning($msg, $id = "") {
3906                 return "<div class=\"warning\" id=\"$id\"> 
3907                         <img src=\"images/sign_excl.gif\">$msg</div>";
3908         }
3909
3910         function format_notice($msg) {
3911                 return "<div class=\"notice\"> 
3912                         <img src=\"images/sign_info.gif\">$msg</div>";
3913         }
3914
3915         function format_error($msg) {
3916                 return "<div class=\"error\"> 
3917                         <img src=\"images/sign_excl.gif\">$msg</div>";
3918         }
3919
3920         function print_notice($msg) {
3921                 return print format_notice($msg);
3922         }
3923
3924         function print_warning($msg) {
3925                 return print format_warning($msg);
3926         }
3927
3928         function print_error($msg) {
3929                 return print format_error($msg);
3930         }
3931
3932
3933         function T_sprintf() {
3934                 $args = func_get_args();
3935                 return vsprintf(__(array_shift($args)), $args);
3936         }
3937
3938         function outputArticleXML($link, $id, $feed_id, $mark_as_read = true) {
3939
3940                 /* we can figure out feed_id from article id anyway, why do we
3941                  * pass feed_id here? */
3942
3943                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
3944                         WHERE ref_id = '$id'");
3945
3946                 $feed_id = db_fetch_result($result, 0, "feed_id");
3947
3948                 print "<article id='$id'><![CDATA[";
3949
3950                 $result = db_query($link, "SELECT rtl_content FROM ttrss_feeds
3951                         WHERE id = '$feed_id' AND owner_uid = " . $_SESSION["uid"]);
3952
3953                 if (db_num_rows($result) == 1) {
3954                         $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
3955                 } else {
3956                         $rtl_content = false;
3957                 }
3958
3959                 if ($rtl_content) {
3960                         $rtl_tag = "dir=\"RTL\"";
3961                         $rtl_class = "RTL";
3962                 } else {
3963                         $rtl_tag = "";
3964                         $rtl_class = "";
3965                 }
3966
3967                 if ($mark_as_read) {
3968                         $result = db_query($link, "UPDATE ttrss_user_entries 
3969                                 SET unread = false,last_read = NOW() 
3970                                 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3971                 }
3972
3973                 $result = db_query($link, "SELECT title,link,content,feed_id,comments,int_id,
3974                         SUBSTRING(updated,1,16) as updated,
3975                         (SELECT icon_url FROM ttrss_feeds WHERE id = feed_id) as icon_url,
3976                         num_comments,
3977                         author
3978                         FROM ttrss_entries,ttrss_user_entries
3979                         WHERE   id = '$id' AND ref_id = id AND owner_uid = " . $_SESSION["uid"]);
3980
3981                 if ($result) {
3982
3983                         $link_target = "";
3984
3985                         if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
3986                                 $link_target = "target=\"_new\"";
3987                         }
3988
3989                         $line = db_fetch_assoc($result);
3990
3991                         if ($line["icon_url"]) {
3992                                 $feed_icon = "<img class=\"feedIcon\" src=\"" . $line["icon_url"] . "\">";
3993                         } else {
3994                                 $feed_icon = "&nbsp;";
3995                         }
3996
3997 /*                      if ($line["comments"] && $line["link"] != $line["comments"]) {
3998                                 $entry_comments = "(<a href=\"".$line["comments"]."\">Comments</a>)";
3999                         } else {
4000                                 $entry_comments = "";
4001                         } */
4002
4003                         $num_comments = $line["num_comments"];
4004                         $entry_comments = "";
4005
4006                         if ($num_comments > 0) {
4007                                 if ($line["comments"]) {
4008                                         $comments_url = $line["comments"];
4009                                 } else {
4010                                         $comments_url = $line["link"];
4011                                 }
4012                                 $entry_comments = "<a $link_target href=\"$comments_url\">$num_comments comments</a>";
4013                         } else {
4014                                 if ($line["comments"] && $line["link"] != $line["comments"]) {
4015                                         $entry_comments = "<a $link_target href=\"".$line["comments"]."\">comments</a>";
4016                                 }                               
4017                         }
4018
4019                         print "<div class=\"postReply\">";
4020
4021                         print "<div class=\"postHeader\">";
4022
4023                         $entry_author = $line["author"];
4024
4025                         if ($entry_author) {
4026                                 $entry_author = __(" - by ") . $entry_author;
4027                         }
4028
4029                         $parsed_updated = date(get_pref($link, 'LONG_DATE_FORMAT'), 
4030                                 strtotime($line["updated"]));
4031                 
4032                         print "<div class=\"postDate$rtl_class\">$parsed_updated</div>";
4033
4034                         if ($line["link"]) {
4035                                 print "<div clear='both'><a $link_target href=\"" . $line["link"] . "\">" . 
4036                                         $line["title"] . "</a><span class='author'>$entry_author</span></div>";
4037                         } else {
4038                                 print "<div clear='both'>" . $line["title"] . "$entry_author</div>";
4039                         }
4040
4041 /*                      $tmp_result = db_query($link, "SELECT DISTINCT tag_name FROM
4042                                 ttrss_tags WHERE post_int_id = " . $line["int_id"] . "
4043                                 ORDER BY tag_name"); */
4044
4045                         $tags = get_article_tags($link, $id);
4046         
4047                         $tags_str = "";
4048                         $f_tags_str = "";
4049
4050                         $num_tags = 0;
4051
4052                         foreach ($tags as $tag) {
4053                                 $num_tags++;
4054                                 $tag_escaped = str_replace("'", "\\'", $tag);
4055
4056                                 $tag_str = "<a href=\"javascript:viewfeed('$tag_escaped')\">$tag</a>, ";
4057                                 
4058                                 if ($num_tags == 6) {
4059                                         $tags_str .= "...";
4060
4061                                 } else if ($num_tags < 6) {
4062                                         $tags_str .= $tag_str;
4063                                 }
4064                                 $f_tags_str .= $tag_str;
4065                         }
4066
4067                         $tags_str = preg_replace("/, $/", "", $tags_str);
4068                         $f_tags_str = preg_replace("/, $/", "", $f_tags_str);
4069
4070                         $all_tags_div = "<span class='cdmAllTagsCtr'>...<div class='cdmAllTags'>All Tags: $f_tags_str</div></span>";
4071                         $tags_str = preg_replace("/\.\.\.$/", "$all_tags_div", $tags_str);
4072
4073                         if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
4074
4075                         if (!$tags_str) $tags_str = '<span class="tagList">'.__('no tags').'</span>';
4076
4077                         print "<div style='float : right'>
4078                                 <img src='images/tag.png' class='tagsPic' alt='Tags' title='Tags'>
4079                                 $tags_str 
4080                                 <a title=\"Edit tags for this article\" 
4081                                         href=\"javascript:editArticleTags($id, $feed_id)\">(+)</a></div>
4082                                 <div clear='both'>$entry_comments</div>";
4083
4084                         print "</div>";
4085
4086                         print "<div class=\"postIcon\">" . $feed_icon . "</div>";
4087                         print "<div class=\"postContent\">";
4088                         
4089                         #print "<div id=\"allEntryTags\">".__('Tags:')." $f_tags_str</div>";
4090
4091                         $line["content"] = sanitize_rss($link, $line["content"]);
4092
4093                         if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
4094                                 $line["content"] = preg_replace("/href=/i", "target=\"_new\" href=", $line["content"]);
4095                         }
4096
4097                         print $line["content"] . "</div>";
4098                         
4099                         print "</div>";
4100
4101                 }
4102
4103                 print "]]></article>";
4104
4105         }
4106
4107         function outputHeadlinesList($link, $feed, $subop, $view_mode, $limit, $cat_view,
4108                                         $next_unread_feed, $offset) {
4109
4110                 $timing_info = getmicrotime();
4111
4112                 $topmost_article_ids = array();
4113
4114                 if (!$offset) {
4115                         $offset = 0;
4116                 }
4117
4118                 if ($subop == "undefined") $subop = "";
4119
4120                 if ($subop == "CatchupSelected") {
4121                         $ids = split(",", db_escape_string($_GET["ids"]));
4122                         $cmode = sprintf("%d", $_GET["cmode"]);
4123
4124                         catchupArticlesById($link, $ids, $cmode);
4125                 }
4126
4127                 if ($subop == "ForceUpdate" && sprintf("%d", $feed) > 0) {
4128                         update_generic_feed($link, $feed, $cat_view);
4129                 }
4130
4131                 if ($subop == "MarkAllRead")  {
4132                         catchup_feed($link, $feed, $cat_view);
4133
4134                         if (get_pref($link, 'ON_CATCHUP_SHOW_NEXT_FEED')) {
4135                                 if ($next_unread_feed) {
4136                                         $feed = $next_unread_feed;
4137                                 }
4138                         }
4139                 }
4140
4141                 if ($feed_id > 0) {             
4142                         $result = db_query($link,
4143                                 "SELECT id FROM ttrss_feeds WHERE id = '$feed' LIMIT 1");
4144                 
4145                         if (db_num_rows($result) == 0) {
4146                                 print "<div align='center'>".__('Feed not found.')."</div>";                            
4147                                 return;
4148                         }
4149                 }
4150
4151                 if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
4152
4153                         $result = db_query($link, "SELECT rtl_content FROM ttrss_feeds
4154                                 WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
4155
4156                         if (db_num_rows($result) == 1) {
4157                                 $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4158                         } else {
4159                                 $rtl_content = false;
4160                         }
4161         
4162                         if ($rtl_content) {
4163                                 $rtl_tag = "dir=\"RTL\"";
4164                         } else {
4165                                 $rtl_tag = "";
4166                         }
4167                 } else {
4168                         $rtl_tag = "";
4169                         $rtl_content = false;
4170                 }
4171
4172                 $script_dt_add = get_script_dt_add();
4173
4174                 /// START /////////////////////////////////////////////////////////////////////////////////
4175
4176                 $search = db_escape_string($_GET["query"]);
4177                 $search_mode = db_escape_string($_GET["search_mode"]);
4178                 $match_on = db_escape_string($_GET["match_on"]);
4179
4180                 if (!$match_on) {
4181                         $match_on = "both";
4182                 }
4183
4184                 $real_offset = $offset * $limit;
4185
4186                 if ($_GET["debug"]) $timing_info = print_checkpoint("H0", $timing_info);
4187
4188                 $qfh_ret = queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view, 
4189                         $search, $search_mode, $match_on, false, $real_offset);
4190
4191                 if ($_GET["debug"]) $timing_info = print_checkpoint("H1", $timing_info);
4192
4193                 $result = $qfh_ret[0];
4194                 $feed_title = $qfh_ret[1];
4195                 $feed_site_url = $qfh_ret[2];
4196                 $last_error = $qfh_ret[3];
4197
4198                 if ($feed == -2) {
4199                         $feed_site_url = article_publish_url($link);
4200                 }
4201
4202                 /// STOP //////////////////////////////////////////////////////////////////////////////////
4203
4204                 if (!$offset) {
4205                         print "<div id=\"headlinesContainer\" $rtl_tag>";
4206
4207                         if (!$result) {
4208                                 print "<div align='center'>".__("Could not display feed (query failed). Please check label match syntax or local configuration.")."</div>";
4209                                 return;
4210                         }
4211
4212                         print_headline_subtoolbar($link, $feed_site_url, $feed_title, false, 
4213                                 $rtl_content, $feed, $cat_view, $search, $match_on, $search_mode, 
4214                                 $offset, $limit);
4215
4216                         print "<div id=\"headlinesInnerContainer\" onscroll=\"headlines_scroll_handler()\">";
4217                 }
4218
4219                 $headlines_count = db_num_rows($result);
4220
4221                 if (db_num_rows($result) > 0) {
4222
4223 #                       print "\{$offset}";
4224
4225                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE') && !$offset) {
4226                                 print "<table class=\"headlinesList\" id=\"headlinesList\" 
4227                                         cellspacing=\"0\">";
4228                         }
4229
4230                         $lnum = $limit*$offset;
4231
4232                         error_reporting (DEFAULT_ERROR_LEVEL);
4233         
4234                         $num_unread = 0;
4235         
4236                         while ($line = db_fetch_assoc($result)) {
4237
4238                                 $class = ($lnum % 2) ? "even" : "odd";
4239         
4240                                 $id = $line["id"];
4241                                 $feed_id = $line["feed_id"];
4242
4243                                 if (count($topmost_article_ids) < 5) {
4244                                         array_push($topmost_article_ids, $id);
4245                                 }
4246
4247                                 if ($line["last_read"] == "" && 
4248                                                 ($line["unread"] != "t" && $line["unread"] != "1")) {
4249         
4250                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/updated.png\" 
4251                                                 alt=\"Updated\">";
4252                                 } else {
4253                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/blank_icon.gif\" 
4254                                                 alt=\"Updated\">";
4255                                 }
4256         
4257                                 if ($line["unread"] == "t" || $line["unread"] == "1") {
4258                                         $class .= "Unread";
4259                                         ++$num_unread;
4260                                         $is_unread = true;
4261                                 } else {
4262                                         $is_unread = false;
4263                                 }
4264
4265                                 $is_ie = (strpos($_SESSION["client.userAgent"], "MSIE") !== false);
4266
4267                                 if ($is_ie) {
4268                                         $mark_img_ext = "gif";
4269                                 } else {
4270                                         $mark_img_ext = "png";
4271                                 }
4272
4273                                 if ($line["marked"] == "t" || $line["marked"] == "1") {
4274                                         $marked_pic = "<img id=\"FMPIC-$id\" src=\"images/mark_set.$mark_img_ext\" 
4275                                                 class=\"markedPic\"
4276                                                 alt=\"Unstar article\" onclick='javascript:tMark($id)'>";
4277                                 } else {
4278                                         $marked_pic = "<img id=\"FMPIC-$id\" src=\"images/mark_unset.$mark_img_ext\" 
4279                                                 class=\"markedPic\"
4280                                                 alt=\"Star article\" onclick='javascript:tMark($id)'>";
4281                                 }
4282
4283                                 if ($line["published"] == "t" || $line["published"] == "1") {
4284                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"images/pub_set.gif\" 
4285                                                 class=\"markedPic\"
4286                                                 alt=\"Unpublish article\" onclick='javascript:tPub($id)'>";
4287                                 } else {
4288                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"images/pub_unset.gif\" 
4289                                                 class=\"markedPic\"
4290                                                 alt=\"Publish article\" onclick='javascript:tPub($id)'>";
4291                                 }
4292
4293 #                               $content_link = "<a target=\"_new\" href=\"".$line["link"]."\">" .
4294 #                                       $line["title"] . "</a>";
4295
4296                                 $content_link = "<a href=\"javascript:view($id,$feed_id);\">" .
4297                                         $line["title"] . "</a>";
4298
4299 #                               $content_link = "<a href=\"javascript:viewContentUrl('".$line["link"]."');\">" .
4300 #                                       $line["title"] . "</a>";
4301
4302                                 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
4303                                         $updated_fmt = smart_date_time(strtotime($line["updated_noms"]));
4304                                 } else {
4305                                         $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
4306                                         $updated_fmt = date($short_date, strtotime($line["updated_noms"]));
4307                                 }                               
4308
4309                                 if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
4310                                         $content_preview = truncate_string(strip_tags($line["content_preview"]), 
4311                                                 100);
4312                                 }
4313
4314                                 $entry_author = $line["author"];
4315
4316                                 if ($entry_author) {
4317                                         $entry_author = " - by $entry_author";
4318                                 }
4319
4320                                 if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
4321                                         
4322                                         print "<tr class='$class' id='RROW-$id'>";
4323                 
4324                                         print "<td class='hlUpdPic'>$update_pic</td>";
4325                 
4326                                         print "<td class='hlSelectRow'>
4327                                                 <input type=\"checkbox\" onclick=\"tSR(this)\"
4328                                                         id=\"RCHK-$id\">
4329                                                 </td>";
4330                 
4331                                         print "<td class='hlMarkedPic'>$marked_pic</td>";
4332                                         print "<td class='hlMarkedPic'>$published_pic</td>";
4333
4334                                         if ($line["feed_title"]) {                      
4335                                                 print "<td class='hlContent'>$content_link</td>";
4336                                                 print "<td class='hlFeed'>
4337                                                         <a href=\"javascript:viewfeed($feed_id, '', false)\">".
4338                                                                 truncate_string($line["feed_title"],30)."</a>&nbsp;</td>";
4339                                         } else {                        
4340                                                 print "<td class='hlContent' valign='middle'>";
4341
4342                                                 print "<a href=\"javascript:view($id,$feed_id);\">" .
4343                                                         $line["title"];
4344
4345                                                 if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
4346                                                         if ($content_preview) {
4347                                                                 print "<span class=\"contentPreview\"> - $content_preview</span>";
4348                                                         }
4349                                                 }
4350                 
4351                                                 print "</a>";
4352                                                 print "</td>";
4353                                         }
4354                                         
4355                                         print "<td class=\"hlUpdated\"><nobr>$updated_fmt&nbsp;</nobr></td>";
4356                 
4357                                         print "</tr>";
4358
4359                                 } else {
4360                                         
4361                                         if ($is_unread) {
4362                                                 $add_class = "Unread";
4363                                         } else {
4364                                                 $add_class = "";
4365                                         }       
4366                                         
4367                                         print "<div class=\"cdmArticle$add_class\" 
4368                                                 id=\"RROW-$id\" onmouseover='cdmMouseIn(this)' 
4369                                                 onmouseout='cdmMouseOut(this)'>";
4370
4371                                         print "<div class=\"cdmHeader\">";
4372
4373                                         print "<div class=\"articleUpdated\">$updated_fmt</div>";
4374                                         
4375                                         print "<a class=\"title\" 
4376                                                 onclick=\"javascript:toggleUnread($id, 0)\"
4377                                                 target=\"_new\" href=\"".$line["link"]."\">".$line["title"]."</a>";
4378
4379                                         print $entry_author;
4380
4381                                         if ($line["feed_title"]) {      
4382                                                 print "&nbsp;(<a href='javascript:viewfeed($feed_id)'>".$line["feed_title"]."</a>)";
4383                                         }
4384
4385                                         print "</div>";
4386
4387                                         if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
4388                                                 $line["content_preview"] = preg_replace("/href=/i", 
4389                                                         "target=\"_new\" href=", $line["content_preview"]);
4390                                         }
4391
4392                                         print "<div class=\"cdmContent\">" . $line["content_preview"] . "</div><br clear=\"all\">";
4393
4394                                         print "<div class=\"cdmFooter\"><span class='s0'>";
4395
4396                                         /* print "<div class=\"markedPic\">Star it: $marked_pic</div>"; */
4397
4398                                         print __("Select:").
4399                                                         " <input type=\"checkbox\" onclick=\"toggleSelectRowById(this, 
4400                                                         'RROW-$id')\" class=\"feedCheckBox\" id=\"RCHK-$id\">";
4401
4402                                         print "</span><span class='s1'>$marked_pic</span> ";
4403                                         print "<span class='s1'>$published_pic</span> ";
4404
4405                                         $tags = get_article_tags($link, $id);
4406
4407                                         $tags_str = "";
4408                                         $full_tags_str = "";
4409                                         $num_tags = 0;
4410
4411                                         foreach ($tags as $tag) {
4412                                                 $num_tags++;
4413                                                 $full_tags_str .= "<a href=\"javascript:viewfeed('$tag')\">$tag</a>, "; 
4414                                                 if ($num_tags < 5) {
4415                                                         $tags_str .= "<a href=\"javascript:viewfeed('$tag')\">$tag</a>, "; 
4416                                                 } else if ($num_tags == 5) {
4417                                                         $tags_str .= "...";
4418                                                 }
4419                                         }
4420
4421                                         $tags_str = preg_replace("/, $/", "", $tags_str);
4422                                         $full_tags_str = preg_replace("/, $/", "", $full_tags_str);
4423
4424                                         $all_tags_div = "<span class='cdmAllTagsCtr'>...<div class='cdmAllTags'>All Tags: $full_tags_str</div></span>";
4425
4426                                         $tags_str = preg_replace("/\.\.\.$/", "$all_tags_div", $tags_str);
4427
4428
4429                                         if ($tags_str == "") $tags_str = "no tags";
4430
4431 //                                      print "<img src='images/tag.png' class='markedPic'>";
4432
4433                                         print "<span class='s1'>
4434                                                 <img class='tagsPic' src='images/tag.png' alt='Tags' 
4435                                                         title='Tags'> $tags_str <a title=\"Edit tags for this article\" 
4436                                                         href=\"javascript:editArticleTags($id, $feed_id, true)\">(+)</a>";
4437
4438                                         print "</span>";
4439
4440                                         print "<span class='s2'>Toggle: <a class=\"cdmToggleLink\"
4441                                                         href=\"javascript:toggleUnread($id)\">
4442                                                         Unread</a></span>";
4443
4444                                         print "</div>";
4445                                         print "</div>"; 
4446
4447                                 }                               
4448         
4449                                 ++$lnum;
4450                         }
4451
4452                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE') && !$offset) {                    
4453                                 print "</table>";
4454                         }
4455
4456 //                      print_headline_subtoolbar($link, 
4457 //                              "javascript:catchupPage()", "Mark page as read", true, $rtl_content);
4458
4459
4460                 } else {
4461                         if (!$offset) print "<div class='whiteBox'>".__('No articles found.')."</div>";
4462                 }
4463
4464                 if (!$offset) {
4465                         print "</div>";
4466                         print "</div>";
4467                 }
4468
4469                 return array($topmost_article_ids, $headlines_count);
4470         }
4471
4472 // from here: http://www.roscripts.com/Create_tag_cloud-71.html
4473
4474         function printTagCloud($link) {
4475
4476                 /* get first ref_id to count from */
4477
4478                 /*
4479
4480                 $query = "";
4481
4482                 if (DB_TYPE == "pgsql") {
4483                         $query = "SELECT MIN(id) AS id FROM ttrss_user_entries, ttrss_entries 
4484                                 WHERE int_id = id AND owner_uid = ".$_SESSION["uid"]."
4485                                 AND date_entered > NOW() - INTERVAL '30 days'";
4486                 } else {
4487                         $query = "SELECT MIN(id) AS id FROM ttrss_user_entries, ttrss_entries 
4488                                 WHERE int_id = id AND owner_uid = ".$_SESSION["uid"]." 
4489                                 AND date_entered > DATE_SUB(NOW(), INTERVAL 30 DAY)";
4490                 }
4491
4492                 $result = db_query($link, $query);
4493                 $first_id = db_fetch_result($result, 0, "id"); */
4494
4495                 //AND post_int_id >= '$first_id'
4496                 $query = "SELECT tag_name, COUNT(post_int_id) AS count 
4497                         FROM ttrss_tags WHERE owner_uid = ".$_SESSION["uid"]." 
4498                         GROUP BY tag_name ORDER BY count DESC LIMIT 50";
4499
4500                 $result = db_query($link, $query);
4501
4502                 $tags = array();
4503
4504                 while ($line = db_fetch_assoc($result)) {
4505                         $tags[$line["tag_name"]] = $line["count"];
4506                 }
4507
4508                 ksort($tags);
4509
4510                 $max_size = 32; // max font size in pixels
4511                 $min_size = 11; // min font size in pixels
4512                    
4513                 // largest and smallest array values
4514                 $max_qty = max(array_values($tags));
4515                 $min_qty = min(array_values($tags));
4516                    
4517                 // find the range of values
4518                 $spread = $max_qty - $min_qty;
4519                 if ($spread == 0) { // we don't want to divide by zero
4520                                 $spread = 1;
4521                 }
4522                    
4523                 // set the font-size increment
4524                 $step = ($max_size - $min_size) / ($spread);
4525                    
4526                 // loop through the tag array
4527                 foreach ($tags as $key => $value) {
4528                         // calculate font-size
4529                         // find the $value in excess of $min_qty
4530                         // multiply by the font-size increment ($size)
4531                         // and add the $min_size set above
4532                         $size = round($min_size + (($value - $min_qty) * $step));
4533
4534                         $key_escaped = str_replace("'", "\\'", $key);
4535
4536                         echo "<a href=\"javascript:viewfeed('$key_escaped') \" style=\"font-size: " . 
4537                                 $size . "px\" title=\"$value articles tagged with " . 
4538                                 $key . '">' . $key . '</a> ';
4539                 }
4540         }
4541
4542         function print_checkpoint($n, $s) {
4543                 $ts = getmicrotime();   
4544                 echo sprintf("<!-- CP[$n] %.4f seconds -->", $ts - $s);
4545                 return $ts;
4546         }
4547
4548         function sanitize_tag($tag) {
4549                 $tag = trim($tag);
4550
4551                 $tag = mb_strtolower($tag, 'utf-8');
4552
4553                 $tag = preg_replace('/[\"\+\>\<]/', "", $tag);  
4554
4555 //              $tag = str_replace('"', "", $tag);      
4556 //              $tag = str_replace("+", " ", $tag);     
4557                 $tag = str_replace("technorati tag: ", "", $tag);
4558
4559                 return $tag;
4560         }
4561
4562         function generate_publish_key() {
4563                 return sha1(uniqid(rand(), true));
4564         }
4565
4566         function article_publish_url($link) {
4567
4568                 $url_path = 'http://' . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
4569
4570                 $url_path .= "?op=publish&key=" . get_pref($link, "_PREFS_PUBLISH_KEY");
4571
4572                 return $url_path;
4573         }
4574
4575 ?>