]> git.wh0rd.org Git - tt-rss.git/blob - functions.php
daemon2: properly abort stuck children
[tt-rss.git] / functions.php
1 <?php
2
3         if ($_REQUEST["debug"]) {
4                 define('DEFAULT_ERROR_LEVEL', E_ALL);
5         }
6
7         require_once 'config.php';
8
9         if (DB_TYPE == "pgsql") {
10                 define('SUBSTRING_FOR_DATE', 'SUBSTRING_FOR_DATE');
11         } else {
12                 define('SUBSTRING_FOR_DATE', 'SUBSTRING');
13         }
14
15         /**
16          * Return available translations names.
17          * 
18          * @access public
19          * @return array A array of available translations.
20          */
21         function get_translations() {
22                 $tr = array(
23                                         "auto"  => "Detect automatically",                                      
24                                         "ca_CA" => "Català",
25                                         "en_US" => "English",
26                                         "es_ES" => "Español",
27                                         "de_DE" => "Deutsch",
28                                         "fr_FR" => "Français",
29                                         "hu_HU" => "Magyar (Hungarian)",
30                                         "it_IT" => "Italiano",
31                                         "ja_JP" => "日本語 (Japanese)",
32                                         "nb_NO" => "Norwegian bokmål",
33                                         "ru_RU" => "Русский",
34                                         "pt_BR" => "Portuguese/Brazil",
35                                         "zh_CN" => "Simplified Chinese");
36
37                 return $tr;
38         }
39
40         if (ENABLE_TRANSLATIONS == true) { // If translations are enabled.
41                 require_once "lib/accept-to-gettext.php";
42                 require_once "lib/gettext/gettext.inc";
43
44                 function startup_gettext() {
45         
46                         # Get locale from Accept-Language header
47                         $lang = al2gt(array_keys(get_translations()), "text/html");
48
49                         if (defined('_TRANSLATION_OVERRIDE_DEFAULT')) {
50                                 $lang = _TRANSLATION_OVERRIDE_DEFAULT;
51                         }
52
53                         if ($_COOKIE["ttrss_lang"] && $_COOKIE["ttrss_lang"] != "auto") {                               
54                                 $lang = $_COOKIE["ttrss_lang"];
55                         }
56
57                         /* In login action of mobile version */
58                         if ($_POST["language"] && defined('MOBILE_VERSION')) {
59                                 $lang = $_POST["language"];
60                                 $_COOKIE["ttrss_lang"] = $lang;
61                         }
62
63                         if ($lang) {
64                                 if (defined('LC_MESSAGES')) {
65                                         _setlocale(LC_MESSAGES, $lang);
66                                 } else if (defined('LC_ALL')) {
67                                         _setlocale(LC_ALL, $lang);
68                                 } else {
69                                         die("can't setlocale(): please set ENABLE_TRANSLATIONS to false in config.php");
70                                 }
71
72                                 if (defined('MOBILE_VERSION')) {
73                                         _bindtextdomain("messages", "../locale");
74                                 } else {
75                                         _bindtextdomain("messages", "locale");
76                                 }
77
78                                 _textdomain("messages");
79                                 _bind_textdomain_codeset("messages", "UTF-8");
80                         }
81                 }
82
83                 startup_gettext();
84
85         } else { // If translations are enabled.
86                 function __($msg) {
87                         return $msg;
88                 }
89                 function startup_gettext() {
90                         // no-op
91                         return true;
92                 }
93         } // If translations are enabled.
94
95         if (defined('MEMCACHE_SERVER')) {
96                 $memcache = new Memcache;
97                 $memcache->connect(MEMCACHE_SERVER, 11211);
98         }
99
100         require_once 'db-prefs.php';
101         require_once 'compat.php';
102         require_once 'errors.php';
103         require_once 'version.php';
104
105         require_once 'lib/phpmailer/class.phpmailer.php';
106
107         define('MAGPIE_USER_AGENT_EXT', ' (Tiny Tiny RSS/' . VERSION . ')');
108         define('MAGPIE_OUTPUT_ENCODING', 'UTF-8');
109         define('MAGPIE_CACHE_AGE', 60*15); // 15 minutes
110
111         require_once "lib/simplepie/simplepie.inc";
112         require_once "lib/magpierss/rss_fetch.inc";
113         require_once 'lib/magpierss/rss_utils.inc';
114         require_once 'lib/htmlpurifier/library/HTMLPurifier.auto.php';
115
116         /**
117          * Print a timestamped debug message.
118          * 
119          * @param string $msg The debug message.
120          * @return void
121          */
122         function _debug($msg) {
123                 $ts = strftime("%H:%M:%S", time());
124                 if (function_exists('posix_getpid')) {
125                         $ts = "$ts/" . posix_getpid();
126                 }
127                 print "[$ts] $msg\n";
128         } // function _debug
129
130         /**
131          * Purge a feed old posts.
132          * 
133          * @param mixed $link A database connection.
134          * @param mixed $feed_id The id of the purged feed.
135          * @param mixed $purge_interval Olderness of purged posts.
136          * @param boolean $debug Set to True to enable the debug. False by default.
137          * @access public
138          * @return void
139          */
140         function purge_feed($link, $feed_id, $purge_interval, $debug = false) {
141
142                 if (!$purge_interval) $purge_interval = feed_purge_interval($link, $feed_id);
143                 
144                 $rows = -1;
145
146                 $result = db_query($link, 
147                         "SELECT owner_uid FROM ttrss_feeds WHERE id = '$feed_id'");
148
149                 $owner_uid = false;
150
151                 if (db_num_rows($result) == 1) {
152                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
153                 }
154
155                 if ($purge_interval == -1 || !$purge_interval) {
156                         if ($owner_uid) {
157                                 ccache_update($link, $feed_id, $owner_uid);
158                         }
159                         return;
160                 }
161
162                 if (!$owner_uid) return;
163
164                 if (FORCE_ARTICLE_PURGE == 0) {
165                         $purge_unread = get_pref($link, "PURGE_UNREAD_ARTICLES",
166                                 $owner_uid, false);
167                 } else {
168                         $purge_unread = true;
169                         $purge_interval = FORCE_ARTICLE_PURGE;
170                 }
171
172                 if (!$purge_unread) $query_limit = " unread = false AND ";
173
174                 if (DB_TYPE == "pgsql") {
175 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
176                                 marked = false AND feed_id = '$feed_id' AND
177                                 (SELECT date_entered FROM ttrss_entries WHERE
178                                         id = ref_id) < NOW() - INTERVAL '$purge_interval days'"); */
179
180                         $pg_version = get_pgsql_version($link);
181
182                         if (preg_match("/^7\./", $pg_version) || preg_match("/^8\.0/", $pg_version)) {
183
184                                 $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE 
185                                         ttrss_entries.id = ref_id AND 
186                                         marked = false AND 
187                                         feed_id = '$feed_id' AND 
188                                         $query_limit
189                                         ttrss_entries.date_entered < NOW() - INTERVAL '$purge_interval days'");
190
191                         } else {
192
193                                 $result = db_query($link, "DELETE FROM ttrss_user_entries 
194                                         USING ttrss_entries 
195                                         WHERE ttrss_entries.id = ref_id AND 
196                                         marked = false AND 
197                                         feed_id = '$feed_id' AND 
198                                         $query_limit
199                                         ttrss_entries.date_entered < NOW() - INTERVAL '$purge_interval days'");
200                         }
201
202                         $rows = pg_affected_rows($result);
203                         
204                 } else {
205                 
206 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
207                                 marked = false AND feed_id = '$feed_id' AND
208                                 (SELECT date_entered FROM ttrss_entries WHERE 
209                                         id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
210
211                         $result = db_query($link, "DELETE FROM ttrss_user_entries 
212                                 USING ttrss_user_entries, ttrss_entries 
213                                 WHERE ttrss_entries.id = ref_id AND 
214                                 marked = false AND 
215                                 feed_id = '$feed_id' AND 
216                                 $query_limit
217                                 ttrss_entries.date_entered < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
218                                         
219                         $rows = mysql_affected_rows($link);
220
221                 }
222
223                 ccache_update($link, $feed_id, $owner_uid);
224
225                 if ($debug) {
226                         _debug("Purged feed $feed_id ($purge_interval): deleted $rows articles");
227                 }
228         } // function purge_feed
229
230         /**
231          * Purge old posts from old feeds.
232          * 
233          * @param mixed $link A database connection
234          * @param boolean $do_output Set to true to enable printed output, false by default.
235          * @param integer $limit The maximal number of removed posts.
236          * @access public
237          * @return void
238          */
239         function global_purge_old_posts($link, $do_output = false, $limit = false) {
240
241                 $random_qpart = sql_random_function();
242
243                 if ($limit) {
244                         $limit_qpart = "LIMIT $limit";
245                 } else {
246                         $limit_qpart = "";
247                 }
248                 
249                 $result = db_query($link, 
250                         "SELECT id,purge_interval,owner_uid FROM ttrss_feeds 
251                                 ORDER BY $random_qpart $limit_qpart");
252
253                 while ($line = db_fetch_assoc($result)) {
254
255                         $feed_id = $line["id"];
256                         $purge_interval = $line["purge_interval"];
257                         $owner_uid = $line["owner_uid"];
258
259                         if ($purge_interval == 0) {
260                         
261                                 $tmp_result = db_query($link, 
262                                         "SELECT value FROM ttrss_user_prefs WHERE
263                                                 pref_name = 'PURGE_OLD_DAYS' AND owner_uid = '$owner_uid'");
264
265                                 if (db_num_rows($tmp_result) != 0) {                    
266                                         $purge_interval = db_fetch_result($tmp_result, 0, "value");
267                                 }
268                         }
269
270                         if ($do_output) {
271 //                              print "Feed $feed_id: purge interval = $purge_interval\n";
272                         }
273
274                         if ($purge_interval > 0 || FORCE_ARTICLE_PURGE) {
275                                 purge_feed($link, $feed_id, $purge_interval, $do_output);
276                         }
277                 }       
278
279                 // purge orphaned posts in main content table
280                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE 
281                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
282
283                 if ($do_output) {
284                         $rows = db_affected_rows($link, $result);
285                         _debug("Purged $rows orphaned posts.");
286                 }
287
288         } // function global_purge_old_posts
289
290         function feed_purge_interval($link, $feed_id) {
291
292                 $result = db_query($link, "SELECT purge_interval, owner_uid FROM ttrss_feeds 
293                         WHERE id = '$feed_id'");
294
295                 if (db_num_rows($result) == 1) {
296                         $purge_interval = db_fetch_result($result, 0, "purge_interval");
297                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
298
299                         if ($purge_interval == 0) $purge_interval = get_pref($link, 
300                                 'PURGE_OLD_DAYS', $owner_uid);
301
302                         return $purge_interval;
303
304                 } else {
305                         return -1;
306                 }
307         }
308
309         function purge_old_posts($link) {
310
311                 $user_id = $_SESSION["uid"];
312         
313                 $result = db_query($link, "SELECT id,purge_interval FROM ttrss_feeds 
314                         WHERE owner_uid = '$user_id'");
315
316                 while ($line = db_fetch_assoc($result)) {
317
318                         $feed_id = $line["id"];
319                         $purge_interval = $line["purge_interval"];
320
321                         if ($purge_interval == 0) $purge_interval = get_pref($link, 'PURGE_OLD_DAYS');
322
323                         if ($purge_interval > 0) {
324                                 purge_feed($link, $feed_id, $purge_interval);
325                         }
326                 }       
327
328                 purge_orphans($link);
329         }
330
331         function purge_orphans($link) {
332                 // purge orphaned posts in main content table
333                 db_query($link, "DELETE FROM ttrss_entries WHERE 
334                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
335         }
336
337         function get_feed_update_interval($link, $feed_id) {
338                 $result = db_query($link, "SELECT owner_uid, update_interval FROM
339                         ttrss_feeds WHERE id = '$feed_id'");
340
341                 if (db_num_rows($result) == 1) {
342                         $update_interval = db_fetch_result($result, 0, "update_interval");
343                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
344
345                         if ($update_interval != 0) {
346                                 return $update_interval;
347                         } else {
348                                 return get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $owner_uid, false);
349                         }
350
351                 } else {
352                         return -1;
353                 }
354         }
355
356         function fetch_file_contents($url, $type) {
357                 if (USE_CURL_FOR_ICONS) {
358                         $ch = curl_init($url);
359
360                         curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 15);
361                         curl_setopt($ch, CURLOPT_TIMEOUT, 45);
362                         curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
363                         curl_setopt($ch, CURLOPT_MAXREDIRS, 20);
364                         curl_setopt($ch, CURLOPT_BINARYTRANSFER, true);
365                         curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
366
367                         $contents = curl_exec($ch);
368                         if ($contents === false) {
369                                 curl_close($ch);
370                                 return false;
371                         }
372
373                         $content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
374                         curl_close($ch);
375
376                         if ($type && strpos($content_type, "$type") === false) {
377                                 return false;
378                         }
379
380                         return $contents;
381                 } else {
382                         return file_get_contents($url);
383                 }
384
385         }
386
387         /**
388          * Try to determine the favicon URL for a feed.
389          * adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/)
390          * http://dev.wp-plugins.org/file/favatars/trunk/favatars.php
391          * 
392          * @param string $url A feed or page URL
393          * @access public
394          * @return mixed The favicon URL, or false if none was found.
395          */
396         function get_favicon_url($url) {
397
398                 if ($html = @fetch_file_contents($url)) {
399
400                         if ( preg_match('/<link[^>]+rel="(?:shortcut )?icon"[^>]+?href="([^"]+?)"/si', $html, $matches)) {
401                                 // Attempt to grab a favicon link from their webpage url
402                                 $linkUrl = html_entity_decode($matches[1]);
403
404                                 if (substr($linkUrl, 0, 1) == '/') {
405                                         $urlParts = parse_url($url);
406                                         $faviconURL = $urlParts['scheme'].'://'.$urlParts['host'].$linkUrl;
407                                 } else if (substr($linkUrl, 0, 7) == 'http://') {
408                                         $faviconURL = $linkUrl;
409                                 } else {
410                                         $pos = strrpos($url, "/");
411                                         // no "/" in url or "/" is part of "://"
412                                         if ($pos === false || $pos == (strpos($url, "://")+2)) {
413                                                 $faviconURL = $url.'/'.$linkUrl;
414                                         } else {
415                                                 $faviconURL = substr($url, 0, $pos+1).$linkUrl;
416                                         }
417                                 }
418
419                         } else {
420                                 // If unsuccessful, attempt to "guess" the favicon location
421                                 $urlParts = parse_url($url);
422                                 $faviconURL = $urlParts['scheme'].'://'.$urlParts['host'].'/favicon.ico';
423                         }
424                 }
425
426                 // Run a test to see if what we have attempted to get actually exists.
427                 if(USE_CURL_FOR_ICONS || url_validate($faviconURL)) {
428                         return $faviconURL;
429                 } else {
430                         return false;
431                 }
432         } // function get_favicon_url
433
434         /**
435          * Check if a link is a valid and working URL.
436          * 
437          * @param mixed $link A URL to check
438          * @access public
439          * @return boolean True if the URL is valid, false otherwise.
440          */
441         function url_validate($link) {
442                 
443                 $url_parts = @parse_url($link);
444
445                 if ( empty( $url_parts["host"] ) )
446                                 return false;
447
448                 if ( !empty( $url_parts["path"] ) ) {
449                                 $documentpath = $url_parts["path"];
450                 } else {
451                                 $documentpath = "/";
452                 }
453
454                 if ( !empty( $url_parts["query"] ) )
455                                 $documentpath .= "?" . $url_parts["query"];
456
457                 $host = $url_parts["host"];
458                 $port = $url_parts["port"];
459                 
460                 if ( empty($port) )
461                                 $port = "80";
462
463                 $socket = @fsockopen( $host, $port, $errno, $errstr, 30 );
464                 
465                 if ( !$socket )
466                                 return false;
467                                 
468                 fwrite ($socket, "HEAD ".$documentpath." HTTP/1.0\r\nHost: $host\r\n\r\n");
469
470                 $http_response = fgets( $socket, 22 );
471
472                 $responses = "/(200 OK)|(30[123])/";
473                 if ( preg_match($responses, $http_response) ) {
474                                 fclose($socket);
475                                 return true;
476                 } else {
477                                 return false;
478                 }
479
480         } // function url_validate
481
482         function check_feed_favicon($site_url, $feed, $link) {
483                 $favicon_url = get_favicon_url($site_url);
484
485 #               print "FAVICON [$site_url]: $favicon_url\n";
486
487                 error_reporting(0);
488
489                 $icon_file = ICONS_DIR . "/$feed.ico";
490
491                 if ($favicon_url && !file_exists($icon_file)) {
492                         $contents = fetch_file_contents($favicon_url, "image");
493
494                         if ($contents) {
495                                 $fp = fopen($icon_file, "w");
496
497                                 if ($fp) {
498                                         fwrite($fp, $contents);
499                                         fclose($fp);
500                                         chmod($icon_file, 0644);
501                                 }
502                         }
503                 }
504
505                 error_reporting(DEFAULT_ERROR_LEVEL);
506
507         }
508
509         function update_rss_feed($link, $feed, $ignore_daemon = false) {
510
511                 global $memcache;
512
513                 /* Update all feeds with the same URL to utilize memcache */
514
515                 if ($memcache) {
516                         $result = db_query($link, "SELECT f1.id 
517                                 FROM ttrss_feeds AS f1, ttrss_feeds AS f2 
518                                 WHERE   f2.feed_url = f1.feed_url AND f2.id = '$feed'");
519
520                         while ($line = db_fetch_assoc($result)) {
521                                 update_rss_feed_real($link, $line["id"], $ignore_daemon);
522                         }
523                 } else {
524                         update_rss_feed_real($link, $feed, $ignore_daemon);
525                 }
526         }
527
528         function update_rss_feed_real($link, $feed, $ignore_daemon = false) {
529
530                 global $memcache;
531
532                 if (!$_REQUEST["daemon"] && !$ignore_daemon) {
533                         return false;
534                 }
535
536                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
537                         _debug("update_rss_feed: start");
538                 }
539
540                 if (!$ignore_daemon) {
541
542                         if (DB_TYPE == "pgsql") {
543                                         $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
544                                 } else {
545                                         $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
546                                 }                       
547         
548                         $result = db_query($link, "SELECT id,update_interval,auth_login,
549                                 auth_pass,cache_images,update_method
550                                 FROM ttrss_feeds WHERE id = '$feed' AND $updstart_thresh_qpart");
551
552                 } else {
553
554                         $result = db_query($link, "SELECT id,update_interval,auth_login,
555                                 feed_url,auth_pass,cache_images,update_method,last_updated
556                                 FROM ttrss_feeds WHERE id = '$feed'");
557
558                 }
559
560                 if (db_num_rows($result) == 0) {
561                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
562                                 _debug("update_rss_feed: feed $feed NOT FOUND/SKIPPED");
563                         }               
564                         return false;
565                 }
566
567                 $update_method = db_fetch_result($result, 0, "update_method");
568                 $last_updated = db_fetch_result($result, 0, "last_updated");
569
570                 db_query($link, "UPDATE ttrss_feeds SET last_update_started = NOW()
571                         WHERE id = '$feed'");
572
573                 $auth_login = db_fetch_result($result, 0, "auth_login");
574                 $auth_pass = db_fetch_result($result, 0, "auth_pass");
575
576                 if (DEFAULT_UPDATE_METHOD == "1") {
577                         $use_simplepie = $update_method != 1;
578                 } else {
579                         $use_simplepie = $update_method == 2;
580                 }
581
582                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
583                         _debug("use simplepie: $use_simplepie (feed setting: $update_method)\n");
584                 }
585
586                 if (!$use_simplepie) {
587                         $auth_login = urlencode($auth_login);
588                         $auth_pass = urlencode($auth_pass);
589                 }
590
591                 $update_interval = db_fetch_result($result, 0, "update_interval");
592                 $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images"));
593                 $fetch_url = db_fetch_result($result, 0, "feed_url");
594
595                 if ($update_interval < 0) { return; }
596
597                 $feed = db_escape_string($feed);
598
599                 if ($auth_login && $auth_pass) {
600                         $url_parts = array();
601                         preg_match("/(^[^:]*):\/\/(.*)/", $fetch_url, $url_parts);
602
603                         if ($url_parts[1] && $url_parts[2]) {
604                                 $fetch_url = $url_parts[1] . "://$auth_login:$auth_pass@" . $url_parts[2];
605                         }
606
607                 }
608
609                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
610                         _debug("update_rss_feed: fetching [$fetch_url]...");
611                 }
612
613                 if (!defined('DAEMON_EXTENDED_DEBUG') && !$_REQUEST['xdebug']) {
614                         error_reporting(0);
615                 }
616
617                 $obj_id = md5("FDATA:$use_simplepie:$fetch_url");
618
619                 if ($memcache && $obj = $memcache->get($obj_id)) {
620
621                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
622                                 _debug("update_rss_feed: data found in memcache.");
623                         }
624
625                         $rss = $obj;
626
627                 } else {
628
629                         if (!$use_simplepie) {
630                                 $rss = fetch_rss($fetch_url);
631                         } else {
632                                 if (!is_dir(SIMPLEPIE_CACHE_DIR)) {
633                                         mkdir(SIMPLEPIE_CACHE_DIR);
634                                 }
635         
636                                 $rss = new SimplePie();
637                                 $rss->set_useragent(SIMPLEPIE_USERAGENT . MAGPIE_USER_AGENT_EXT);
638         #                       $rss->set_timeout(10);
639                                 $rss->set_feed_url($fetch_url);
640                                 $rss->set_output_encoding('UTF-8');
641         
642                                 if (SIMPLEPIE_CACHE_IMAGES && $cache_images) {
643                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
644                                                 _debug("enabling image cache");
645                                         }
646         
647                                         $rss->set_image_handler('./image.php', 'i');
648                                 }
649         
650                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
651                                         _debug("feed update interval (sec): " .
652                                                 get_feed_update_interval($link, $feed)*60);
653                                 }
654         
655                                 if (is_dir(SIMPLEPIE_CACHE_DIR)) {
656                                         $rss->set_cache_location(SIMPLEPIE_CACHE_DIR);
657                                         $rss->set_cache_duration(get_feed_update_interval($link, $feed) * 60);
658                                 }
659         
660                                 $rss->init();
661                         }
662
663                         if ($memcache && $rss) $memcache->add($obj_id, $rss, 0, 300);
664                 }
665
666 //              print_r($rss);
667
668                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
669                         _debug("update_rss_feed: fetch done, parsing...");
670                 } else {
671                         error_reporting (DEFAULT_ERROR_LEVEL);
672                 }
673
674                 $feed = db_escape_string($feed);
675
676                 if ($use_simplepie) {
677                         $fetch_ok = !$rss->error();
678                 } else {
679                         $fetch_ok = !!$rss;
680                 }
681
682                 if ($fetch_ok) {
683
684                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
685                                 _debug("update_rss_feed: processing feed data...");
686                         }
687
688 //                      db_query($link, "BEGIN");
689
690                         $result = db_query($link, "SELECT title,icon_url,site_url,owner_uid
691                                 FROM ttrss_feeds WHERE id = '$feed'");
692
693                         $registered_title = db_fetch_result($result, 0, "title");
694                         $orig_icon_url = db_fetch_result($result, 0, "icon_url");
695                         $orig_site_url = db_fetch_result($result, 0, "site_url");
696
697                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
698
699                         if ($use_simplepie) {
700                                 $site_url = $rss->get_link();
701                         } else {
702                                 $site_url = $rss->channel["link"];
703                         }
704
705                         if (get_pref($link, 'ENABLE_FEED_ICONS', $owner_uid, false)) {  
706                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
707                                         _debug("update_rss_feed: checking favicon...");
708                                 }
709
710                                 check_feed_favicon($site_url, $feed, $link);
711                         }
712
713                         if (!$registered_title || $registered_title == "[Unknown]") {
714
715                                 if ($use_simplepie) {
716                                         $feed_title = db_escape_string($rss->get_title());
717                                 } else {
718                                         $feed_title = db_escape_string($rss->channel["title"]);
719                                 }
720
721                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
722                                         _debug("update_rss_feed: registering title: $feed_title");
723                                 }
724                                 
725                                 db_query($link, "UPDATE ttrss_feeds SET 
726                                         title = '$feed_title' WHERE id = '$feed'");
727                         }
728
729                         // weird, weird Magpie
730                         if (!$use_simplepie) {
731                                 if (!$site_url) $site_url = db_escape_string($rss->channel["link_"]);
732                         }
733
734                         if ($site_url && $orig_site_url != db_escape_string($site_url)) {
735                                 db_query($link, "UPDATE ttrss_feeds SET 
736                                         site_url = '$site_url' WHERE id = '$feed'");
737                         }
738
739 //                      print "I: " . $rss->channel["image"]["url"];
740
741                         if (!$use_simplepie) {
742                                 $icon_url = $rss->image["url"];
743                         } else {
744                                 $icon_url = $rss->get_image_url();
745                         }
746
747                         if ($icon_url && !$orig_icon_url != db_escape_string($icon_url)) {
748                                 $icon_url = db_escape_string($icon_url);
749                                 db_query($link, "UPDATE ttrss_feeds SET icon_url = '$icon_url' WHERE id = '$feed'");
750                         }
751
752                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
753                                 _debug("update_rss_feed: loading filters...");
754                         }
755
756                         $filters = load_filters($link, $feed, $owner_uid);
757
758                         if ($use_simplepie) {
759                                 $iterator = $rss->get_items();
760                         } else {
761                                 $iterator = $rss->items;
762                                 if (!$iterator || !is_array($iterator)) $iterator = $rss->entries;
763                                 if (!$iterator || !is_array($iterator)) $iterator = $rss;
764                         }
765
766                         if (!is_array($iterator)) {
767                                 /* db_query($link, "UPDATE ttrss_feeds 
768                                         SET last_error = 'Parse error: can\'t find any articles.'
769                                         WHERE id = '$feed'"); */
770
771                                 // clear any errors and mark feed as updated if fetched okay
772                                 // even if it's blank
773
774                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
775                                         _debug("update_rss_feed: entry iterator is not an array, no articles?");
776                                 }
777
778                                 db_query($link, "UPDATE ttrss_feeds 
779                                         SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
780
781                                 return; // no articles
782                         }
783
784                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
785                                 _debug("update_rss_feed: processing articles...");
786                         }
787
788                         foreach ($iterator as $item) {
789
790                                 if ($_REQUEST['xdebug'] == 2) {
791                                         print_r($item);
792                                 }
793
794                                 if ($use_simplepie) {
795                                         $entry_guid = $item->get_id();
796                                         if (!$entry_guid) $entry_guid = $item->get_link();
797                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item->get_title());
798
799                                 } else {
800
801                                         $entry_guid = $item["id"];
802
803                                         if (!$entry_guid) $entry_guid = $item["guid"];
804                                         if (!$entry_guid) $entry_guid = $item["link"];
805                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item["title"]);
806                                 }
807
808                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
809                                         _debug("update_rss_feed: guid $entry_guid");
810                                 }
811
812                                 if (!$entry_guid) continue;
813
814                                 $entry_timestamp = "";
815
816                                 if ($use_simplepie) {
817                                         $entry_timestamp = strtotime($item->get_date());
818                                 } else {
819                                         $rss_2_date = $item['pubdate'];
820                                         $rss_1_date = $item['dc']['date'];
821                                         $atom_date = $item['issued'];
822                                         if (!$atom_date) $atom_date = $item['updated'];
823
824                                         if ($atom_date != "") $entry_timestamp = parse_w3cdtf($atom_date);
825                                         if ($rss_1_date != "") $entry_timestamp = parse_w3cdtf($rss_1_date);
826                                         if ($rss_2_date != "") $entry_timestamp = strtotime($rss_2_date);
827
828                                 }
829
830                                 if ($entry_timestamp == "" || $entry_timestamp == -1 || !$entry_timestamp) {
831                                         $entry_timestamp = time();
832                                         $no_orig_date = 'true';
833                                 } else {
834                                         $no_orig_date = 'false';
835                                 }
836
837                                 $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
838
839                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
840                                         _debug("update_rss_feed: date $entry_timestamp [$entry_timestamp_fmt]");
841                                 }
842
843                                 if ($use_simplepie) {
844                                         $entry_title = $item->get_title();
845                                 } else {
846                                         $entry_title = trim(strip_tags($item["title"]));
847                                 }
848
849                                 if ($use_simplepie) {
850                                         $entry_link = $item->get_link();
851                                 } else {
852                                         // strange Magpie workaround
853                                         $entry_link = $item["link_"];
854                                         if (!$entry_link) $entry_link = $item["link"];
855                                 }
856
857                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
858                                         _debug("update_rss_feed: title $entry_title");
859                                 }
860
861                                 if (!$entry_title) $entry_title = date("Y-m-d H:i:s", $entry_timestamp);;
862
863                                 $entry_link = strip_tags($entry_link);
864
865                                 if ($use_simplepie) {
866                                         $entry_content = $item->get_content();
867                                         if (!$entry_content) $entry_content = $item->get_description();
868                                 } else {
869                                         $entry_content = $item["content:escaped"];
870
871                                         if (!$entry_content) $entry_content = $item["content:encoded"];
872                                         if (!$entry_content) $entry_content = $item["content"]["encoded"];
873                                         if (!$entry_content) $entry_content = $item["content"];
874
875                                         // Magpie bugs are getting ridiculous
876                                         if (trim($entry_content) == "Array") $entry_content = false;
877
878                                         if (!$entry_content) $entry_content = $item["atom_content"];
879                                         if (!$entry_content) $entry_content = $item["summary"];
880
881                                         if (!$entry_content || 
882                                                 strlen($entry_content) < strlen($item["description"])) {
883                                                         $entry_content = $item["description"];
884                                         };
885
886                                         // WTF
887                                         if (is_array($entry_content)) {
888                                                 $entry_content = $entry_content["encoded"];
889                                                 if (!$entry_content) $entry_content = $entry_content["escaped"];
890                                         } 
891                                 }
892
893                                 if ($_REQUEST["xdebug"] == 2) {
894                                         print "update_rss_feed: content: ";
895                                         print_r(htmlspecialchars($entry_content));
896                                 }
897
898                                 $entry_content_unescaped = $entry_content;
899
900                                 if ($use_simplepie) {
901                                         $entry_comments = strip_tags($item->data["comments"]);
902                                         if ($item->get_author()) {
903                                                 $entry_author_item = $item->get_author();
904                                                 $entry_author = $entry_author_item->get_name();
905                                                 if (!$entry_author) $entry_author = $entry_author_item->get_email();
906
907                                                 $entry_author = db_escape_string($entry_author);
908                                         }
909                                 } else {
910                                         $entry_comments = strip_tags($item["comments"]);
911                                 
912                                         $entry_author = db_escape_string(strip_tags($item['dc']['creator']));
913
914                                         if ($item['author']) {
915         
916                                                 if (is_array($item['author'])) {
917         
918                                                         if (!$entry_author) {
919                                                                 $entry_author = db_escape_string(strip_tags($item['author']['name']));
920                                                         }
921         
922                                                         if (!$entry_author) {
923                                                                 $entry_author = db_escape_string(strip_tags($item['author']['email']));
924                                                         }
925                                                 }
926         
927                                                 if (!$entry_author) {
928                                                         $entry_author = db_escape_string(strip_tags($item['author']));
929                                                 }
930                                         }
931                                 }
932
933                                 if (preg_match('/^[\t\n\r ]*$/', $entry_author)) $entry_author = '';
934
935                                 $entry_guid = db_escape_string(strip_tags($entry_guid));
936                                 $entry_guid = mb_substr($entry_guid, 0, 250);
937
938                                 $result = db_query($link, "SELECT id FROM       ttrss_entries 
939                                         WHERE guid = '$entry_guid'");
940
941                                 $entry_content = db_escape_string($entry_content);
942
943                                 $content_hash = "SHA1:" . sha1(strip_tags($entry_content));
944
945                                 $entry_title = db_escape_string($entry_title);
946                                 $entry_link = db_escape_string($entry_link);
947                                 $entry_comments = mb_substr(db_escape_string($entry_comments), 0, 250);
948                                 $entry_author = mb_substr($entry_author, 0, 250);
949
950                                 if ($use_simplepie) {
951                                         $num_comments = 0; #FIXME#
952                                 } else {
953                                         $num_comments = db_escape_string($item["slash"]["comments"]);
954                                 }
955
956                                 if (!$num_comments) $num_comments = 0;
957
958                                 // parse <category> entries into tags
959
960                                 if ($use_simplepie) {
961
962                                         $additional_tags = array();
963                                         $additional_tags_src = $item->get_categories();
964                                         
965                                         if (is_array($additional_tags_src)) {
966                                                 foreach ($additional_tags_src as $tobj) {
967                                                         array_push($additional_tags, $tobj->get_term());
968                                                 }
969                                         }
970
971                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
972                                                 _debug("update_rss_feed: category tags:");
973                                                 print_r($additional_tags);
974                                         }
975
976                                 } else {
977
978                                         $t_ctr = $item['category#'];
979
980                                         $additional_tags = false;
981         
982                                         if ($t_ctr == 0) {
983                                                 $additional_tags = false;
984                                         } else if ($t_ctr > 0) {
985                                                 $additional_tags = array($item['category']);
986
987                                                 if ($item['category@term']) {
988                                                         array_push($additional_tags, $item['category@term']);
989                                                 }
990
991                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
992                                                         if ($item["category#$i"]) {
993                                                                 array_push($additional_tags, $item["category#$i"]);
994                                                         }
995
996                                                         if ($item["category#$i@term"]) {
997                                                                 array_push($additional_tags, $item["category#$i@term"]);
998                                                         }
999                                                 }
1000                                         }
1001         
1002                                         // parse <dc:subject> elements
1003         
1004                                         $t_ctr = $item['dc']['subject#'];
1005         
1006                                         if ($t_ctr > 0) {
1007                                                 $additional_tags = array($item['dc']['subject']);
1008
1009                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
1010                                                         if ($item['dc']["subject#$i"]) {
1011                                                                 array_push($additional_tags, $item['dc']["subject#$i"]);
1012                                                         }
1013                                                 }
1014                                         }
1015                                 }
1016
1017                                 // enclosures
1018
1019                                 $enclosures = array();
1020
1021                                 if ($use_simplepie) {
1022                                         $encs = $item->get_enclosures();
1023
1024                                         if (is_array($encs)) {
1025                                                 foreach ($encs as $e) {
1026                                                         $e_item = array(
1027                                                                 $e->link, $e->type, $e->length);
1028         
1029                                                         array_push($enclosures, $e_item);
1030                                                 }
1031                                         }
1032
1033                                 } else {
1034                                         // <enclosure>
1035
1036                                         $e_ctr = $item['enclosure#'];
1037
1038                                         if ($e_ctr > 0) {
1039                                                 $e_item = array($item['enclosure@url'],
1040                                                         $item['enclosure@type'],
1041                                                         $item['enclosure@length']);
1042
1043                                                 array_push($enclosures, $e_item);
1044
1045                                                 for ($i = 0; $i <= $e_ctr; $i++ ) {
1046
1047                                                         if ($item["enclosure#$i@url"]) {
1048                                                                 $e_item = array($item["enclosure#$i@url"],
1049                                                                         $item["enclosure#$i@type"],
1050                                                                         $item["enclosure#$i@length"]);
1051                                                                 array_push($enclosures, $e_item);
1052                                                         }
1053                                                 }
1054                                         }
1055
1056                                         // <media:content>
1057                                         // can there be many of those? yes -fox
1058
1059                                         $m_ctr = $item['media']['content#'];
1060
1061                                         if ($m_ctr > 0) {
1062                                                 $e_item = array($item['media']['content@url'],
1063                                                         $item['media']['content@medium'],
1064                                                         $item['media']['content@length']);
1065
1066                                                 array_push($enclosures, $e_item);
1067
1068                                                 for ($i = 0; $i <= $m_ctr; $i++ ) {
1069
1070                                                         if ($item["media"]["content#$i@url"]) {
1071                                                                 $e_item = array($item["media"]["content#$i@url"],
1072                                                                         $item["media"]["content#$i@medium"],
1073                                                                         $item["media"]["content#$i@length"]);
1074                                                                 array_push($enclosures, $e_item);
1075                                                         }
1076                                                 }
1077
1078                                         }
1079                                 }
1080
1081                                 # sanitize content
1082                                 
1083                                 $entry_content = sanitize_article_content($entry_content);
1084                                 $entry_title = sanitize_article_content($entry_title);
1085
1086                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1087                                         _debug("update_rss_feed: done collecting data [TITLE:$entry_title]");
1088                                 }
1089
1090                                 db_query($link, "BEGIN");
1091
1092                                 if (db_num_rows($result) == 0) {
1093
1094                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1095                                                 _debug("update_rss_feed: base guid not found");
1096                                         }
1097
1098                                         // base post entry does not exist, create it
1099
1100                                         $result = db_query($link,
1101                                                 "INSERT INTO ttrss_entries 
1102                                                         (title,
1103                                                         guid,
1104                                                         link,
1105                                                         updated,
1106                                                         content,
1107                                                         content_hash,
1108                                                         no_orig_date,
1109                                                         date_entered,
1110                                                         comments,
1111                                                         num_comments,
1112                                                         author)
1113                                                 VALUES
1114                                                         ('$entry_title', 
1115                                                         '$entry_guid', 
1116                                                         '$entry_link',
1117                                                         '$entry_timestamp_fmt', 
1118                                                         '$entry_content', 
1119                                                         '$content_hash',
1120                                                         $no_orig_date, 
1121                                                         NOW(), 
1122                                                         '$entry_comments',
1123                                                         '$num_comments',
1124                                                         '$entry_author')");
1125                                 } else {
1126                                         // we keep encountering the entry in feeds, so we need to
1127                                         // update date_entered column so that we don't get horrible
1128                                         // dupes when the entry gets purged and reinserted again e.g.
1129                                         // in the case of SLOW SLOW OMG SLOW updating feeds
1130
1131                                         $base_entry_id = db_fetch_result($result, 0, "id");
1132
1133                                         db_query($link, "UPDATE ttrss_entries SET date_entered = NOW()
1134                                                 WHERE id = '$base_entry_id'");
1135                                 }
1136
1137                                 // now it should exist, if not - bad luck then
1138
1139                                 $result = db_query($link, "SELECT 
1140                                                 id,content_hash,no_orig_date,title,
1141                                                 ".SUBSTRING_FOR_DATE."(date_entered,1,19) as date_entered,
1142                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated,
1143                                                 num_comments
1144                                         FROM 
1145                                                 ttrss_entries 
1146                                         WHERE guid = '$entry_guid'");
1147
1148                                 $entry_ref_id = 0;
1149                                 $entry_int_id = 0;
1150
1151                                 if (db_num_rows($result) == 1) {
1152
1153                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1154                                                 _debug("update_rss_feed: base guid found, checking for user record");
1155                                         }
1156
1157                                         // this will be used below in update handler
1158                                         $orig_content_hash = db_fetch_result($result, 0, "content_hash");
1159                                         $orig_title = db_fetch_result($result, 0, "title");
1160                                         $orig_num_comments = db_fetch_result($result, 0, "num_comments");
1161                                         $orig_date_entered = strtotime(db_fetch_result($result, 
1162                                                 0, "date_entered"));
1163
1164                                         $ref_id = db_fetch_result($result, 0, "id");
1165                                         $entry_ref_id = $ref_id;
1166
1167                                         // check for user post link to main table
1168
1169                                         // do we allow duplicate posts with same GUID in different feeds?
1170                                         if (get_pref($link, "ALLOW_DUPLICATE_POSTS", $owner_uid, false)) {
1171                                                 $dupcheck_qpart = "AND (feed_id = '$feed' OR feed_id IS NULL)";
1172                                         } else { 
1173                                                 $dupcheck_qpart = "";
1174                                         }
1175
1176 //                                      error_reporting(0);
1177
1178                                         $article_filters = get_article_filters($filters, $entry_title, 
1179                                                         $entry_content, $entry_link, $entry_timestamp, $entry_author);
1180
1181                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1182                                                 _debug("update_rss_feed: article filters: ");
1183                                                 if (count($article_filters) != 0) {
1184                                                         print_r($article_filters);
1185                                                 }
1186                                         }
1187
1188                                         if (find_article_filter($article_filters, "filter")) {
1189                                                 db_query($link, "COMMIT"); // close transaction in progress
1190                                                 continue;
1191                                         }
1192
1193 //                                      error_reporting (DEFAULT_ERROR_LEVEL);
1194
1195                                         $score = calculate_article_score($article_filters);
1196
1197                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1198                                                 _debug("update_rss_feed: initial score: $score");
1199                                         }
1200
1201                                         $query = "SELECT ref_id, int_id FROM ttrss_user_entries WHERE
1202                                                         ref_id = '$ref_id' AND owner_uid = '$owner_uid'
1203                                                         $dupcheck_qpart";
1204
1205 //                                      if ($_REQUEST["xdebug"]) print "$query\n";
1206
1207                                         $result = db_query($link, $query);
1208
1209                                         // okay it doesn't exist - create user entry
1210                                         if (db_num_rows($result) == 0) {
1211
1212                                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1213                                                         _debug("update_rss_feed: user record not found, creating...");
1214                                                 }
1215
1216                                                 if ($score >= -500 && !find_article_filter($article_filters, 'catchup')) {
1217                                                         $unread = 'true';
1218                                                         $last_read_qpart = 'NULL';
1219                                                 } else {
1220                                                         $unread = 'false';
1221                                                         $last_read_qpart = 'NOW()';
1222                                                 }                                               
1223
1224                                                 if (find_article_filter($article_filters, 'mark') || $score > 1000) {
1225                                                         $marked = 'true';
1226                                                 } else {
1227                                                         $marked = 'false';
1228                                                 }
1229
1230                                                 if (find_article_filter($article_filters, 'publish')) {
1231                                                         $published = 'true';
1232                                                 } else {
1233                                                         $published = 'false';
1234                                                 }
1235
1236                                                 $result = db_query($link,
1237                                                         "INSERT INTO ttrss_user_entries 
1238                                                                 (ref_id, owner_uid, feed_id, unread, last_read, marked, 
1239                                                                         published, score) 
1240                                                         VALUES ('$ref_id', '$owner_uid', '$feed', $unread,
1241                                                                 $last_read_qpart, $marked, $published, '$score')");
1242
1243                                                 $result = db_query($link, 
1244                                                         "SELECT int_id FROM ttrss_user_entries WHERE
1245                                                                 ref_id = '$ref_id' AND owner_uid = '$owner_uid' AND
1246                                                                 feed_id = '$feed' LIMIT 1");
1247
1248                                                 if (db_num_rows($result) == 1) {
1249                                                         $entry_int_id = db_fetch_result($result, 0, "int_id");
1250                                                 }
1251                                         } else {
1252                                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1253                                                         _debug("update_rss_feed: user record FOUND");
1254                                                 }
1255
1256                                                 $entry_ref_id = db_fetch_result($result, 0, "ref_id");
1257                                                 $entry_int_id = db_fetch_result($result, 0, "int_id");
1258                                         }
1259
1260                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1261                                                 _debug("update_rss_feed: RID: $entry_ref_id, IID: $entry_int_id");
1262                                         }
1263
1264                                         $post_needs_update = false;
1265
1266                                         if (get_pref($link, "UPDATE_POST_ON_CHECKSUM_CHANGE", $owner_uid, false) &&
1267                                                 ($content_hash != $orig_content_hash)) {
1268 //                                              print "<!-- [$entry_title] $content_hash vs $orig_content_hash -->";
1269                                                 $post_needs_update = true;
1270                                         }
1271
1272                                         if (db_escape_string($orig_title) != $entry_title) {
1273                                                 $post_needs_update = true;
1274                                         }
1275
1276                                         if ($orig_num_comments != $num_comments) {
1277                                                 $post_needs_update = true;
1278                                         }
1279
1280 //                                      this doesn't seem to be very reliable
1281 //
1282 //                                      if ($orig_timestamp != $entry_timestamp && !$orig_no_orig_date) {
1283 //                                              $post_needs_update = true;
1284 //                                      }
1285
1286                                         // if post needs update, update it and mark all user entries 
1287                                         // linking to this post as updated                                      
1288                                         if ($post_needs_update) {
1289
1290                                                 if (defined('DAEMON_EXTENDED_DEBUG')) {
1291                                                         _debug("update_rss_feed: post $entry_guid needs update...");
1292                                                 }
1293
1294 //                                              print "<!-- post $orig_title needs update : $post_needs_update -->";
1295
1296                                                 db_query($link, "UPDATE ttrss_entries 
1297                                                         SET title = '$entry_title', content = '$entry_content',
1298                                                                 content_hash = '$content_hash',
1299                                                                 num_comments = '$num_comments'
1300                                                         WHERE id = '$ref_id'");
1301
1302                                                 if (get_pref($link, "MARK_UNREAD_ON_UPDATE", $owner_uid, false)) {
1303                                                         db_query($link, "UPDATE ttrss_user_entries 
1304                                                                 SET last_read = null, unread = true WHERE ref_id = '$ref_id'");
1305                                                 } else {
1306                                                         db_query($link, "UPDATE ttrss_user_entries 
1307                                                                 SET last_read = null WHERE ref_id = '$ref_id' AND unread = false");
1308                                                 }
1309
1310                                         }
1311                                 }
1312
1313                                 db_query($link, "COMMIT");
1314
1315                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1316                                         _debug("update_rss_feed: assigning labels...");
1317                                 }
1318
1319                                 assign_article_to_labels($link, $entry_ref_id, $article_filters,
1320                                         $owner_uid);
1321
1322                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1323                                         _debug("update_rss_feed: looking for enclosures...");
1324                                 }
1325
1326                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1327                                         print_r($enclosures);
1328                                 }
1329
1330                                 db_query($link, "BEGIN");
1331
1332                                 foreach ($enclosures as $enc) {
1333                                         $enc_url = db_escape_string($enc[0]);
1334                                         $enc_type = db_escape_string($enc[1]);
1335                                         $enc_dur = db_escape_string($enc[2]);
1336
1337                                         $result = db_query($link, "SELECT id FROM ttrss_enclosures
1338                                                 WHERE content_url = '$enc_url' AND post_id = '$entry_ref_id'");
1339
1340                                         if (db_num_rows($result) == 0) {
1341                                                 db_query($link, "INSERT INTO ttrss_enclosures
1342                                                         (content_url, content_type, title, duration, post_id) VALUES
1343                                                         ('$enc_url', '$enc_type', '', '$enc_dur', '$entry_ref_id')");
1344                                         }
1345                                 }
1346
1347                                 db_query($link, "COMMIT");
1348
1349                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1350                                         _debug("update_rss_feed: looking for tags...");
1351                                 }
1352
1353                                 /* taaaags */
1354                                 // <a href="..." rel="tag">Xorg</a>, //
1355
1356                                 $entry_tags = null;
1357
1358                                 preg_match_all("/<a.*?rel=['\"]tag['\"].*?>([^<]+)<\/a>/i", 
1359                                         $entry_content_unescaped, $entry_tags);
1360
1361 /*                              print "<p><br/>$entry_title : $entry_content_unescaped<br>";
1362                                 print_r($entry_tags);
1363                                 print "<br/></p>"; */
1364
1365                                 $entry_tags = $entry_tags[1];
1366
1367                                 # check for manual tags
1368
1369                                 foreach ($article_filters as $f) {
1370                                         if ($f[0] == "tag") {
1371
1372                                                 $manual_tags = trim_array(split(",", $f[1]));
1373
1374                                                 foreach ($manual_tags as $tag) {
1375                                                         if (tag_is_valid($tag)) {
1376                                                                 array_push($entry_tags, $tag);
1377                                                         }
1378                                                 }
1379                                         }
1380                                 }
1381
1382                                 $boring_tags = trim_array(split(",", mb_strtolower(get_pref($link, 
1383                                         'BLACKLISTED_TAGS', $owner_uid, ''), 'utf-8')));
1384
1385                                 if ($additional_tags && is_array($additional_tags)) {
1386                                         foreach ($additional_tags as $tag) {
1387                                                 if (tag_is_valid($tag) && 
1388                                                                 array_search($tag, $boring_tags) === FALSE) {
1389                                                         array_push($entry_tags, $tag);
1390                                                 }
1391                                         }
1392                                 } 
1393
1394 //                              print "<p>TAGS: "; print_r($entry_tags); print "</p>";
1395
1396                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1397                                         print_r($entry_tags);
1398                                 }
1399
1400                                 if (count($entry_tags) > 0) {
1401                                 
1402                                         db_query($link, "BEGIN");
1403                         
1404                                                 foreach ($entry_tags as $tag) {
1405
1406                                                         $tag = sanitize_tag($tag);
1407                                                         $tag = db_escape_string($tag);
1408
1409                                                         if (!tag_is_valid($tag)) continue;
1410                                                         
1411                                                         $result = db_query($link, "SELECT id FROM ttrss_tags            
1412                                                                 WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND 
1413                                                                 owner_uid = '$owner_uid' LIMIT 1");
1414         
1415         //                                              print db_fetch_result($result, 0, "id");
1416         
1417                                                         if ($result && db_num_rows($result) == 0) {
1418                                                                 
1419                                                                 db_query($link, "INSERT INTO ttrss_tags 
1420                                                                         (owner_uid,tag_name,post_int_id)
1421                                                                         VALUES ('$owner_uid','$tag', '$entry_int_id')");
1422                                                         }                                                       
1423                                                 }
1424
1425                                         db_query($link, "COMMIT");
1426                                 } 
1427
1428                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1429                                         _debug("update_rss_feed: article processed");
1430                                 }
1431                         } 
1432
1433                         if (!$last_updated) {
1434                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1435                                         _debug("update_rss_feed: new feed, catching it up...");
1436                                 }
1437                                 catchup_feed($link, $feed, false, $owner_uid);
1438                         }
1439
1440                         purge_feed($link, $feed, 0);
1441
1442                         db_query($link, "UPDATE ttrss_feeds 
1443                                 SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
1444
1445 //                      db_query($link, "COMMIT");
1446
1447                 } else {
1448
1449                         if ($use_simplepie) {
1450                                 $error_msg = mb_substr($rss->error(), 0, 250);
1451                         } else {
1452                                 $error_msg = mb_substr(magpie_error(), 0, 250);
1453                         }
1454
1455                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1456                                 _debug("update_rss_feed: error fetching feed: $error_msg");
1457                         }
1458
1459                         $error_msg = db_escape_string($error_msg);
1460
1461                         db_query($link, 
1462                                 "UPDATE ttrss_feeds SET last_error = '$error_msg', 
1463                                         last_updated = NOW() WHERE id = '$feed'");
1464                 }
1465
1466                 if ($use_simplepie) {
1467                         unset($rss);
1468                 }
1469
1470                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1471                         _debug("update_rss_feed: done");
1472                 }
1473
1474         }
1475
1476         function print_select($id, $default, $values, $attributes = "") {
1477                 print "<select name=\"$id\" id=\"$id\" $attributes>";
1478                 foreach ($values as $v) {
1479                         if ($v == $default)
1480                                 $sel = " selected";
1481                          else
1482                                 $sel = "";
1483                         
1484                         print "<option$sel>$v</option>";
1485                 }
1486                 print "</select>";
1487         }
1488
1489         function print_select_hash($id, $default, $values, $attributes = "") {
1490                 print "<select name=\"$id\" id='$id' $attributes>";
1491                 foreach (array_keys($values) as $v) {
1492                         if ($v == $default)
1493                                 $sel = 'selected="selected"';
1494                          else
1495                                 $sel = "";
1496                         
1497                         print "<option $sel value=\"$v\">".$values[$v]."</option>";
1498                 }
1499
1500                 print "</select>";
1501         }
1502
1503         function get_article_filters($filters, $title, $content, $link, $timestamp, $author) {
1504                 $matches = array();
1505
1506                 if ($filters["title"]) {
1507                         foreach ($filters["title"] as $filter) {
1508                                 $reg_exp = $filter["reg_exp"];          
1509                                 $inverse = $filter["inverse"];  
1510                                 if ((!$inverse && preg_match("/$reg_exp/i", $title)) || 
1511                                                 ($inverse && !preg_match("/$reg_exp/i", $title))) {
1512
1513                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1514                                 }
1515                         }
1516                 }
1517
1518                 if ($filters["content"]) {
1519                         foreach ($filters["content"] as $filter) {
1520                                 $reg_exp = $filter["reg_exp"];
1521                                 $inverse = $filter["inverse"];
1522
1523                                 if ((!$inverse && preg_match("/$reg_exp/i", $content)) || 
1524                                                 ($inverse && !preg_match("/$reg_exp/i", $content))) {
1525
1526                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1527                                 }               
1528                         }
1529                 }
1530
1531                 if ($filters["both"]) {
1532                         foreach ($filters["both"] as $filter) {                 
1533                                 $reg_exp = $filter["reg_exp"];          
1534                                 $inverse = $filter["inverse"];
1535
1536                                 if ($inverse) {
1537                                         if (!preg_match("/$reg_exp/i", $title) && !preg_match("/$reg_exp/i", $content)) {
1538                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1539                                         }
1540                                 } else {
1541                                         if (preg_match("/$reg_exp/i", $title) || preg_match("/$reg_exp/i", $content)) {
1542                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1543                                         }
1544                                 }
1545                         }
1546                 }
1547
1548                 if ($filters["link"]) {
1549                         $reg_exp = $filter["reg_exp"];
1550                         foreach ($filters["link"] as $filter) {
1551                                 $reg_exp = $filter["reg_exp"];
1552                                 $inverse = $filter["inverse"];
1553
1554                                 if ((!$inverse && preg_match("/$reg_exp/i", $link)) || 
1555                                                 ($inverse && !preg_match("/$reg_exp/i", $link))) {
1556                                                 
1557                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1558                                 }
1559                         }
1560                 }
1561
1562                 if ($filters["date"]) {
1563                         $reg_exp = $filter["reg_exp"];
1564                         foreach ($filters["date"] as $filter) {
1565                                 $date_modifier = $filter["filter_param"];
1566                                 $inverse = $filter["inverse"];
1567                                 $check_timestamp = strtotime($filter["reg_exp"]);
1568
1569                                 # no-op when timestamp doesn't parse to prevent misfires
1570
1571                                 if ($check_timestamp) {
1572                                         $match_ok = false;
1573
1574                                         if ($date_modifier == "before" && $timestamp < $check_timestamp ||
1575                                                 $date_modifier == "after" && $timestamp > $check_timestamp) {
1576                                                         $match_ok = true;
1577                                         }
1578
1579                                         if ($inverse) $match_ok = !$match_ok;
1580
1581                                         if ($match_ok) {
1582                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1583                                         }
1584                                 }
1585                         }
1586                 } 
1587
1588                 if ($filters["author"]) {
1589                         foreach ($filters["author"] as $filter) {
1590                                 $reg_exp = $filter["reg_exp"];          
1591                                 $inverse = $filter["inverse"];  
1592                                 if ((!$inverse && preg_match("/$reg_exp/i", $author)) || 
1593                                                 ($inverse && !preg_match("/$reg_exp/i", $author))) {
1594
1595                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1596                                 }
1597                         }
1598                 }
1599
1600                 return $matches;
1601         }
1602
1603         function find_article_filter($filters, $filter_name) {
1604                 foreach ($filters as $f) {
1605                         if ($f[0] == $filter_name) {
1606                                 return $f;
1607                         };
1608                 }
1609                 return false;
1610         }
1611
1612         function calculate_article_score($filters) {
1613                 $score = 0;
1614
1615                 foreach ($filters as $f) {
1616                         if ($f[0] == "score") {
1617                                 $score += $f[1];
1618                         };
1619                 }
1620                 return $score;
1621         }
1622
1623         function assign_article_to_labels($link, $id, $filters, $owner_uid) {
1624                 foreach ($filters as $f) {
1625                         if ($f[0] == "label") {
1626                                 label_add_article($link, $id, $f[1], $owner_uid);
1627                         };
1628                 }
1629         }
1630
1631         function printFeedEntry($feed_id, $class, $feed_title, $unread, $icon_file, $link,
1632                 $rtl_content = false, $last_updated = false, $last_error = false,
1633                 $fg_content = false, $bg_content = false) {
1634
1635                 if (!$feed_title) $feed_title = getFeedTitle($link, $feed_id, false);
1636                 if (!$unread) $unread = getFeedUnread($link, $feed_id); 
1637
1638                 if ($unread > 0) $class .= "Unread";
1639
1640                 if (!$icon_file) $icon_file = getFeedIcon($feed_id);
1641
1642                 if (strpos($icon_file, "images") !== false) {
1643                         $icon_file = theme_image($link, $icon_file);
1644                 }
1645
1646                 if (file_exists($icon_file) && filesize($icon_file) > 0) {
1647                                 $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"$icon_file\">";
1648                 } else {
1649                         $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"images/blank_icon.gif\">";
1650                 }
1651
1652                 if ($rtl_content) {
1653                         $rtl_tag = "dir=\"rtl\"";
1654                 } else {
1655                         $rtl_tag = "dir=\"ltr\"";
1656                 }
1657
1658                 $error_notify_msg = "";
1659                 
1660                 if ($last_error) {
1661                         $link_title = "Error: $last_error ($last_updated)";
1662                         $error_notify_msg = "(Error)";
1663                 } else if ($last_updated) {
1664                         $link_title = "Updated: $last_updated";
1665                 }
1666
1667                 $feed = "<span class='feedlink' title=\"$link_title\" id=\"FEEDL-$feed_id\" href=\"#\"
1668                         onclick=\"viewfeed('$feed_id');\">$feed_title</span>";
1669
1670 /*              if ($feed_id < -10) {
1671                         $bg_color = "#00ccff";
1672                         $fg_color = "white";
1673                 }
1674
1675                 if ($fg_color || $bg_color) {
1676                         $color_str = "<div class='labelColorIndicator'
1677                                 style='color : $fg_color; background-color : $bg_color'>l</div>";
1678                 } 
1679
1680                 print $color_str; */
1681
1682                 print "<li id=\"FEEDR-$feed_id\" class=\"$class\">";
1683                 if (get_pref($link, 'ENABLE_FEED_ICONS')) {
1684                         print "$feed_icon";
1685                 }
1686
1687                 print "<span $rtl_tag id=\"FEEDN-$feed_id\">$feed</span>";
1688
1689                 if ($unread != 0) {
1690                         $fctr_class = "class=\"feedCtrHasUnread\"";
1691                 } else {
1692                         $fctr_class = "class=\"feedCtrNoUnread\"";
1693                 }
1694
1695                 print " <span $rtl_tag $fctr_class id=\"FEEDCTR-$feed_id\">
1696                          (<span id=\"FEEDU-$feed_id\">$unread</span>)</span>";
1697
1698                 if (get_pref($link, "EXTENDED_FEEDLIST")) {                      
1699                         $total = getFeedArticles($link, $feed_id);
1700                         print "<div class=\"feedExtInfo\">
1701                                 <span id=\"FLUPD-$feed_id\">$last_updated ($total total) $error_notify_msg</span></div>";
1702                 }
1703
1704                 print "</li>";
1705
1706         }
1707
1708         function getmicrotime() {
1709                 list($usec, $sec) = explode(" ",microtime());
1710                 return ((float)$usec + (float)$sec);
1711         }
1712
1713         function print_radio($id, $default, $true_is, $values, $attributes = "") {
1714                 foreach ($values as $v) {
1715                 
1716                         if ($v == $default)
1717                                 $sel = "checked";
1718                          else
1719                                 $sel = "";
1720
1721                         if ($v == $true_is) {
1722                                 $sel .= " value=\"1\"";
1723                         } else {
1724                                 $sel .= " value=\"0\"";
1725                         }
1726                         
1727                         print "<input class=\"noborder\" 
1728                                 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
1729
1730                 }
1731         }
1732
1733         function initialize_user_prefs($link, $uid, $profile = false) {
1734
1735                 $uid = db_escape_string($uid);
1736
1737                 if (!$profile) {
1738                         $profile = "NULL";
1739                         $profile_qpart = "AND profile IS NULL";
1740                 } else {
1741                         $profile_qpart = "AND profile = '$profile'";
1742                 }
1743
1744                 if (get_schema_version($link) < 63) $profile_qpart = "";
1745
1746                 db_query($link, "BEGIN");
1747
1748                 $result = db_query($link, "SELECT pref_name,def_value FROM ttrss_prefs");
1749                 
1750                 $u_result = db_query($link, "SELECT pref_name 
1751                         FROM ttrss_user_prefs WHERE owner_uid = '$uid' $profile_qpart");
1752
1753                 $active_prefs = array();
1754
1755                 while ($line = db_fetch_assoc($u_result)) {
1756                         array_push($active_prefs, $line["pref_name"]);                  
1757                 }
1758
1759                 while ($line = db_fetch_assoc($result)) {
1760                         if (array_search($line["pref_name"], $active_prefs) === FALSE) {
1761 //                              print "adding " . $line["pref_name"] . "<br>";
1762
1763                                 if (get_schema_version($link) < 63) {
1764                                         db_query($link, "INSERT INTO ttrss_user_prefs
1765                                                 (owner_uid,pref_name,value) VALUES 
1766                                                 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
1767
1768                                 } else {
1769                                         db_query($link, "INSERT INTO ttrss_user_prefs
1770                                                 (owner_uid,pref_name,value, profile) VALUES 
1771                                                 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."', $profile)");
1772                                 }
1773
1774                         }
1775                 }
1776
1777                 db_query($link, "COMMIT");
1778
1779         }
1780
1781         function lookup_user_id($link, $user) {
1782
1783                 $result = db_query($link, "SELECT id FROM ttrss_users WHERE 
1784                         login = '$login'");
1785
1786                 if (db_num_rows($result) == 1) {
1787                         return db_fetch_result($result, 0, "id");
1788                 } else {
1789                         return false;
1790                 }
1791         }
1792
1793         function http_authenticate_user($link) {
1794
1795 //              error_log("http_authenticate_user: ".$_SERVER["PHP_AUTH_USER"]."\n", 3, '/tmp/tt-rss.log');
1796
1797                 if (!$_SERVER["PHP_AUTH_USER"]) {
1798
1799                         header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1800                         header('HTTP/1.0 401 Unauthorized');
1801                         exit;
1802                                         
1803                 } else {
1804                         $auth_result = authenticate_user($link, 
1805                                 $_SERVER["PHP_AUTH_USER"], $_SERVER["PHP_AUTH_PW"]);
1806
1807                         if (!$auth_result) {
1808                                 header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1809                                 header('HTTP/1.0 401 Unauthorized');
1810                                 exit;
1811                         }
1812                 }
1813
1814                 return true;
1815         }
1816
1817         function authenticate_user($link, $login, $password, $force_auth = false) {
1818
1819                 if (!SINGLE_USER_MODE) {
1820
1821                         $pwd_hash1 = encrypt_password($password);
1822                         $pwd_hash2 = encrypt_password($password, $login);
1823                         $login = db_escape_string($login);
1824
1825                         if (defined('ALLOW_REMOTE_USER_AUTH') && ALLOW_REMOTE_USER_AUTH 
1826                                         && $_SERVER["REMOTE_USER"] && $login != "admin") {
1827
1828                                 $login = db_escape_string($_SERVER["REMOTE_USER"]);
1829
1830                                 $query = "SELECT id,login,access_level,pwd_hash
1831                     FROM ttrss_users WHERE
1832                                         login = '$login'";
1833
1834                         } else {
1835                                 $query = "SELECT id,login,access_level,pwd_hash
1836                     FROM ttrss_users WHERE
1837                                         login = '$login' AND (pwd_hash = '$pwd_hash1' OR
1838                                                 pwd_hash = '$pwd_hash2')";
1839                         }
1840
1841                         $result = db_query($link, $query);
1842         
1843                         if (db_num_rows($result) == 1) {
1844                                 $_SESSION["uid"] = db_fetch_result($result, 0, "id");
1845                                 $_SESSION["name"] = db_fetch_result($result, 0, "login");
1846                                 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
1847         
1848                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " . 
1849                                         $_SESSION["uid"]);
1850         
1851                                 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1852                                 $_SESSION["pwd_hash"] = db_fetch_result($result, 0, "pwd_hash");
1853         
1854                                 initialize_user_prefs($link, $_SESSION["uid"]);
1855         
1856                                 return true;
1857                         }
1858         
1859                         return false;
1860
1861                 } else {
1862
1863                         $_SESSION["uid"] = 1;
1864                         $_SESSION["name"] = "admin";
1865
1866                         $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1867         
1868                         initialize_user_prefs($link, $_SESSION["uid"]);
1869         
1870                         return true;
1871                 }
1872         }
1873
1874         function make_password($length = 8) {
1875
1876                 $password = "";
1877                 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ"; 
1878                 
1879         $i = 0; 
1880     
1881                 while ($i < $length) { 
1882                         $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
1883         
1884                         if (!strstr($password, $char)) { 
1885                                 $password .= $char;
1886                                 $i++;
1887                         }
1888                 }
1889                 return $password;
1890         }
1891
1892         // this is called after user is created to initialize default feeds, labels
1893         // or whatever else
1894         
1895         // user preferences are checked on every login, not here
1896
1897         function initialize_user($link, $uid) {
1898
1899 /*              db_query($link, "INSERT INTO ttrss_labels2 (owner_uid, caption)
1900                         VALUES ('$uid', 'All Articles')");
1901
1902                 db_query($link, "INSERT INTO ttrss_filters 
1903                         (owner_uid, feed_id, filter_type, reg_exp, enabled, 
1904                                 action_id, action_param, filter_param) 
1905                         VALUES ('$uid', NULL, 1, '.', true, 7, 'All Articles', 'before')"); */
1906
1907                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1908                         values ('$uid', 'Tiny Tiny RSS: New Releases',
1909                         'http://tt-rss.org/releases.rss')");
1910
1911                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1912                         values ('$uid', 'Tiny Tiny RSS: Forum',
1913                         'http://tt-rss.org/forum/rss.php')");
1914         }
1915
1916         function logout_user() {
1917                 session_destroy();
1918                 if (isset($_COOKIE[session_name()])) {
1919                    setcookie(session_name(), '', time()-42000, '/');
1920                 }
1921         }
1922
1923         function get_script_urlpath() {
1924                 return preg_replace('/\/[^\/]*$/', "", $_SERVER["REQUEST_URI"]);
1925         }
1926
1927         function validate_session($link) {
1928                 if (SINGLE_USER_MODE) { 
1929                         return true;
1930                 }
1931
1932                 if (SESSION_CHECK_ADDRESS && $_SESSION["uid"]) {
1933                         if ($_SESSION["ip_address"]) {
1934                                 if ($_SESSION["ip_address"] != $_SERVER["REMOTE_ADDR"]) {
1935                                         $_SESSION["login_error_msg"] = __("Session failed to validate (incorrect IP)");
1936                                         return false;
1937                                 }
1938                         }
1939                 }
1940
1941                 if ($_SESSION["ref_schema_version"] != get_schema_version($link, true)) {
1942                         return false;
1943                 }
1944
1945                 if ($_SESSION["uid"]) {
1946
1947                         $result = db_query($link, 
1948                                 "SELECT pwd_hash FROM ttrss_users WHERE id = '".$_SESSION["uid"]."'");
1949
1950                         $pwd_hash = db_fetch_result($result, 0, "pwd_hash");
1951
1952                         if ($pwd_hash != $_SESSION["pwd_hash"]) {
1953                                 return false;
1954                         }
1955                 }
1956
1957 /*              if ($_SESSION["cookie_lifetime"] && $_SESSION["uid"]) {
1958
1959                         //print_r($_SESSION);
1960
1961                         if (time() > $_SESSION["cookie_lifetime"]) {
1962                                 return false;
1963                         }
1964                 } */
1965
1966                 return true;
1967         }
1968
1969         function login_sequence($link, $mobile = false) {
1970                 if (!SINGLE_USER_MODE) {
1971
1972                         $login_action = $_POST["login_action"];
1973
1974                         # try to authenticate user if called from login form                    
1975                         if ($login_action == "do_login") {
1976                                 $login = $_POST["login"];
1977                                 $password = $_POST["password"];
1978                                 $remember_me = $_POST["remember_me"];
1979
1980                                 if (authenticate_user($link, $login, $password)) {
1981                                         $_POST["password"] = "";
1982
1983                                         $_SESSION["language"] = $_POST["language"];
1984                                         $_SESSION["ref_schema_version"] = get_schema_version($link, true);
1985                                         $_SESSION["bw_limit"] = !!$_POST["bw_limit"];
1986
1987                                         if ($_POST["profile"]) {
1988
1989                                                 $profile = db_escape_string($_POST["profile"]);
1990
1991                                                 $result = db_query($link, "SELECT id FROM ttrss_settings_profiles
1992                                                         WHERE id = '$profile' AND owner_uid = " . $_SESSION["uid"]);
1993
1994                                                 if (db_num_rows($result) != 0) {
1995                                                         $_SESSION["profile"] = $profile;
1996                                                         $_SESSION["prefs_cache"] = array();
1997                                                 }
1998                                         }
1999
2000                                         header("Location: " . $_SERVER["REQUEST_URI"]);
2001                                         exit;
2002
2003                                         return;
2004                                 } else {
2005                                         $_SESSION["login_error_msg"] = __("Incorrect username or password");
2006                                 }
2007                         }
2008
2009                         if (!$_SESSION["uid"] || !validate_session($link)) {
2010                                 render_login_form($link, $mobile);
2011                                 //header("Location: login.php");
2012                                 exit;
2013                         } else {
2014                                 /* bump login timestamp */
2015                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " . 
2016                                         $_SESSION["uid"]);
2017
2018                                 if ($_SESSION["language"] && SESSION_COOKIE_LIFETIME > 0) {
2019                                         setcookie("ttrss_lang", $_SESSION["language"], 
2020                                                 time() + SESSION_COOKIE_LIFETIME);
2021                                 }
2022
2023                                 /* bump counters stamp since we're getting reloaded anyway */
2024
2025                                 $_SESSION["get_all_counters_stamp"] = time();
2026                         }
2027
2028                 } else {
2029                         return authenticate_user($link, "admin", null);
2030                 }
2031         }
2032
2033         function truncate_string($str, $max_len) {
2034                 if (mb_strlen($str, "utf-8") > $max_len - 3) {
2035                         return mb_substr($str, 0, $max_len, "utf-8") . "&hellip;";
2036                 } else {
2037                         return $str;
2038                 }
2039         }
2040
2041         function theme_image($link, $filename) {
2042                 if ($link) {
2043                         $theme_path = get_user_theme_path($link);
2044
2045                         if ($theme_path && is_file($theme_path.$filename)) {
2046                                 return $theme_path.$filename;
2047                         } else {
2048                                 return $filename;
2049                         }
2050                 } else {
2051                         return $filename;
2052                 }
2053         }
2054
2055         function get_user_theme($link) {
2056
2057                 if (get_schema_version($link) >= 63 && $_SESSION["uid"]) {
2058                         $theme_name = get_pref($link, "_THEME_ID");
2059                         if (is_dir("themes/$theme_name")) {
2060                                 return $theme_name;
2061                         } else {
2062                                 return '';
2063                         }
2064                 } else {
2065                         return '';
2066                 }
2067
2068         }
2069
2070         function get_user_theme_path($link) {
2071
2072                 if (get_schema_version($link) >= 63 && $_SESSION["uid"]) {
2073                         $theme_name = get_pref($link, "_THEME_ID");
2074
2075                         if ($theme_name && is_dir("themes/$theme_name")) {
2076                                 $theme_path = "themes/$theme_name/";
2077                         } else {
2078                                 $theme_name = '';
2079                         }
2080                 } else {
2081                         $theme_path = '';
2082                 }
2083
2084                 return $theme_path;
2085         }
2086
2087         function get_user_theme_options($link) {
2088                 $t = get_user_theme_path($link);
2089
2090                 if ($t) {
2091                         if (is_file("$t/theme.ini")) {
2092                                 $ini = parse_ini_file("$t/theme.ini", true);
2093                                 if ($ini['theme']['version']) {
2094                                         return $ini['theme']['options'];
2095                                 }
2096                         }
2097                 }
2098                 return false;
2099         }
2100
2101
2102         function get_all_themes() {
2103                 $themes = glob("themes/*");
2104
2105                 asort($themes);
2106
2107                 $rv = array();
2108
2109                 foreach ($themes as $t) {
2110                         if (is_file("$t/theme.ini")) {
2111                                 $ini = parse_ini_file("$t/theme.ini", true);
2112                                 if ($ini['theme']['version'] && !$ini['theme']['disabled']) {
2113                                         $entry = array();
2114                                         $entry["path"] = $t;
2115                                         $entry["base"] = basename($t);
2116                                         $entry["name"] = $ini['theme']['name'];
2117                                         $entry["version"] = $ini['theme']['version'];
2118                                         $entry["author"] = $ini['theme']['author'];
2119                                         $entry["options"] = $ini['theme']['options'];
2120                                         array_push($rv, $entry);
2121                                 }
2122                         }
2123                 }
2124
2125                 return $rv;
2126         }
2127
2128         function smart_date_time($timestamp) {
2129                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
2130                         return date("G:i", $timestamp);
2131                 } else if (date("Y", $timestamp) == date("Y")) {
2132                         return date("M d, G:i", $timestamp);
2133                 } else {
2134                         return date("Y/m/d, G:i", $timestamp);
2135                 }
2136         }
2137
2138         function smart_date($timestamp) {
2139                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
2140                         return "Today";
2141                 } else if (date("Y", $timestamp) == date("Y")) {
2142                         return date("D m", $timestamp);
2143                 } else {
2144                         return date("Y/m/d", $timestamp);
2145                 }
2146         }
2147
2148         function sql_bool_to_string($s) {
2149                 if ($s == "t" || $s == "1") {
2150                         return "true";
2151                 } else {
2152                         return "false";
2153                 }
2154         }
2155
2156         function sql_bool_to_bool($s) {
2157                 if ($s == "t" || $s == "1") {
2158                         return true;
2159                 } else {
2160                         return false;
2161                 }
2162         }
2163         
2164         function bool_to_sql_bool($s) {
2165                 if ($s) {
2166                         return "true";
2167                 } else {
2168                         return "false";
2169                 }
2170         }
2171
2172         function toggleEvenOdd($a) {
2173                 if ($a == "even") 
2174                         return "odd";
2175                 else
2176                         return "even";
2177         }
2178
2179         function get_schema_version($link, $nocache = false) {
2180                 if (!$_SESSION["schema_version"] || $nocache) {
2181                         $result = db_query($link, "SELECT schema_version FROM ttrss_version");
2182                         $version = db_fetch_result($result, 0, "schema_version");
2183                         $_SESSION["schema_version"] = $version;
2184                         return $version;
2185                 } else {
2186                         return $_SESSION["schema_version"];
2187                 }
2188         }
2189
2190         function sanity_check($link) {
2191
2192                 error_reporting(0);
2193
2194                 $error_code = 0;
2195                 $schema_version = get_schema_version($link);
2196
2197                 if ($schema_version != SCHEMA_VERSION) {
2198                         $error_code = 5;
2199                 }
2200
2201                 if (DB_TYPE == "mysql") {
2202                         $result = db_query($link, "SELECT true", false);
2203                         if (db_num_rows($result) != 1) {
2204                                 $error_code = 10;
2205                         }
2206                 }
2207
2208                 if (db_escape_string("testTEST") != "testTEST") {
2209                         $error_code = 12;
2210                 }
2211
2212                 error_reporting (DEFAULT_ERROR_LEVEL);
2213
2214                 if ($error_code != 0) {
2215                         print_error_xml($error_code);
2216                         return false;
2217                 } else {
2218                         return true;
2219                 }
2220         }
2221
2222         function file_is_locked($filename) {
2223                 if (function_exists('flock')) {
2224                         error_reporting(0);
2225                         $fp = fopen(LOCK_DIRECTORY . "/$filename", "r");
2226                         error_reporting(DEFAULT_ERROR_LEVEL);
2227                         if ($fp) {
2228                                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2229                                         flock($fp, LOCK_UN);
2230                                         fclose($fp);
2231                                         return false;
2232                                 }
2233                                 fclose($fp);
2234                                 return true;
2235                         } else {
2236                                 return false;
2237                         }
2238                 }
2239                 return true; // consider the file always locked and skip the test
2240         }
2241
2242         function make_lockfile($filename) {
2243                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
2244
2245                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2246                         if (function_exists('posix_getpid')) {
2247                                 fwrite($fp, posix_getpid() . "\n");
2248                         }
2249                         return $fp;
2250                 } else {
2251                         return false;
2252                 }
2253         }
2254
2255         function make_stampfile($filename) {
2256                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
2257
2258                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2259                         fwrite($fp, time() . "\n");
2260                         flock($fp, LOCK_UN);
2261                         fclose($fp);
2262                         return true;
2263                 } else {
2264                         return false;
2265                 }
2266         }
2267
2268         function read_stampfile($filename) {
2269
2270                 error_reporting(0);
2271                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "r");
2272                 error_reporting (DEFAULT_ERROR_LEVEL);
2273
2274                 if ($fp) {
2275                         if (flock($fp, LOCK_EX)) {
2276                                 $stamp = fgets($fp);
2277                                 flock($fp, LOCK_UN);
2278                                 fclose($fp);
2279                                 return $stamp;
2280                         } else {
2281                                 return false;
2282                         }
2283                 } else {
2284                         return false;
2285                 }
2286         }
2287
2288         function sql_random_function() {
2289                 if (DB_TYPE == "mysql") {
2290                         return "RAND()";
2291                 } else {
2292                         return "RANDOM()";
2293                 }
2294         }
2295
2296         function catchup_feed($link, $feed, $cat_view, $owner_uid) {
2297
2298                         if (!$owner_uid) $owner_uid = $_SESSION['uid'];
2299
2300                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
2301
2302                                 if ($cat_view) {
2303
2304                                         if ($feed >= 0) {
2305
2306                                                 if ($feed > 0) {
2307                                                         $cat_qpart = "cat_id = '$feed'";
2308                                                 } else {
2309                                                         $cat_qpart = "cat_id IS NULL";
2310                                                 }
2311                                         
2312                                                 $tmp_result = db_query($link, "SELECT id 
2313                                                         FROM ttrss_feeds WHERE $cat_qpart AND owner_uid = $owner_uid");
2314
2315                                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2316
2317                                                         $tmp_feed = $tmp_line["id"];
2318
2319                                                         db_query($link, "UPDATE ttrss_user_entries 
2320                                                                 SET unread = false,last_read = NOW() 
2321                                                                 WHERE feed_id = '$tmp_feed' AND owner_uid = $owner_uid");
2322                                                 }
2323                                         } else if ($feed == -2) {
2324
2325
2326                                                 db_query($link, "UPDATE ttrss_user_entries 
2327                                                         SET unread = false,last_read = NOW() WHERE (SELECT COUNT(*) 
2328                                                                 FROM ttrss_user_labels2 WHERE article_id = ref_id) > 0 
2329                                                         AND unread = true AND owner_uid = $owner_uid");
2330                                         }
2331
2332                                 } else if ($feed > 0) {
2333
2334                                         $tmp_result = db_query($link, "SELECT id 
2335                                                 FROM ttrss_feeds WHERE parent_feed = '$feed'
2336                                                 ORDER BY cat_id,title");
2337
2338                                         $parent_ids = array();
2339
2340                                         if (db_num_rows($tmp_result) > 0) {
2341                                                 while ($p = db_fetch_assoc($tmp_result)) {
2342                                                         array_push($parent_ids, "feed_id = " . $p["id"]);
2343                                                 }
2344
2345                                                 $children_qpart = implode(" OR ", $parent_ids);
2346                                                 
2347                                                 db_query($link, "UPDATE ttrss_user_entries 
2348                                                         SET unread = false,last_read = NOW() 
2349                                                         WHERE (feed_id = '$feed' OR $children_qpart) 
2350                                                         AND owner_uid = $owner_uid");
2351
2352                                         } else {                                                
2353                                                 db_query($link, "UPDATE ttrss_user_entries 
2354                                                         SET unread = false,last_read = NOW() 
2355                                                         WHERE feed_id = '$feed' AND owner_uid = $owner_uid");
2356                                         }
2357                                                 
2358                                 } else if ($feed < 0 && $feed > -10) { // special, like starred
2359
2360                                         if ($feed == -1) {
2361                                                 db_query($link, "UPDATE ttrss_user_entries 
2362                                                         SET unread = false,last_read = NOW()
2363                                                         WHERE marked = true AND owner_uid = $owner_uid");
2364                                         }
2365
2366                                         if ($feed == -2) {
2367                                                 db_query($link, "UPDATE ttrss_user_entries 
2368                                                         SET unread = false,last_read = NOW()
2369                                                         WHERE published = true AND owner_uid = $owner_uid");
2370                                         }
2371
2372                                         if ($feed == -3) {
2373
2374                                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
2375
2376                                                 if (DB_TYPE == "pgsql") {
2377                                                         $match_part = "updated > NOW() - INTERVAL '$intl hour' "; 
2378                                                 } else {
2379                                                         $match_part = "updated > DATE_SUB(NOW(), 
2380                                                                 INTERVAL $intl HOUR) ";
2381                                                 }
2382
2383                                                 $result = db_query($link, "SELECT id FROM ttrss_entries, 
2384                                                         ttrss_user_entries WHERE $match_part AND
2385                                                         unread = true AND
2386                                                         ttrss_user_entries.ref_id = ttrss_entries.id AND        
2387                                                         owner_uid = $owner_uid");
2388
2389                                                 $affected_ids = array();
2390
2391                                                 while ($line = db_fetch_assoc($result)) {
2392                                                         array_push($affected_ids, $line["id"]);
2393                                                 }
2394
2395                                                 catchupArticlesById($link, $affected_ids, 0);
2396                                         }
2397
2398                                         if ($feed == -4) {
2399                                                 db_query($link, "UPDATE ttrss_user_entries 
2400                                                         SET unread = false,last_read = NOW()
2401                                                         WHERE owner_uid = $owner_uid");
2402                                         }
2403
2404                                 } else if ($feed < -10) { // label
2405
2406                                         $label_id = -$feed - 11;
2407
2408                                         db_query($link, "UPDATE ttrss_user_entries, ttrss_user_labels2 
2409                                                 SET unread = false, last_read = NOW() 
2410                                                         WHERE label_id = '$label_id' AND unread = true
2411                                                         AND owner_uid = '$owner_uid' AND ref_id = article_id");
2412
2413                                 }
2414
2415                                 ccache_update($link, $feed, $owner_uid, $cat_view);
2416
2417                         } else { // tag
2418                                 db_query($link, "BEGIN");
2419
2420                                 $tag_name = db_escape_string($feed);
2421
2422                                 $result = db_query($link, "SELECT post_int_id FROM ttrss_tags
2423                                         WHERE tag_name = '$tag_name' AND owner_uid = $owner_uid");
2424
2425                                 while ($line = db_fetch_assoc($result)) {
2426                                         db_query($link, "UPDATE ttrss_user_entries SET
2427                                                 unread = false, last_read = NOW() 
2428                                                 WHERE int_id = " . $line["post_int_id"]);
2429                                 }
2430                                 db_query($link, "COMMIT");
2431                         }
2432         }
2433
2434         function update_generic_feed($link, $feed, $cat_view, $force_update = false) {
2435                         if ($cat_view) {
2436
2437                                 if ($feed > 0) {
2438                                         $cat_qpart = "cat_id = '$feed'";
2439                                 } else {
2440                                         $cat_qpart = "cat_id IS NULL";
2441                                 }
2442                                 
2443                                 $tmp_result = db_query($link, "SELECT id FROM ttrss_feeds
2444                                         WHERE $cat_qpart AND owner_uid = " . $_SESSION["uid"]);
2445
2446                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {                                       
2447                                         $feed_id = $tmp_line["id"];
2448                                         update_rss_feed($link, $feed_id, $force_update);
2449                                 }
2450
2451                         } else {
2452                                 update_rss_feed($link, $feed, $force_update);
2453                         }
2454         }
2455
2456         function getAllCounters($link, $omode = "flc", $active_feed = false) {
2457
2458                 if (!$omode) $omode = "flc";
2459         
2460                 getGlobalCounters($link);
2461                 getVirtCounters($link);
2462
2463                 if (strchr($omode, "l")) getLabelCounters($link);
2464                 if (strchr($omode, "f")) getFeedCounters($link, $active_feed);
2465                 if (strchr($omode, "t")) getTagCounters($link);
2466                 if (strchr($omode, "c")) {                      
2467                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
2468                                 getCategoryCounters($link);
2469                         }
2470                 }
2471         }       
2472
2473         function getCategoryCounters($link) {
2474                 # two special categories are -1 and -2 (all virtuals; all labels)
2475
2476 /*              $ctr = getCategoryUnread($link, -1);
2477
2478                 print "<counter type=\"category\" id=\"-1\" counter=\"$ctr\"/>"; */
2479
2480                 $ctr = getCategoryUnread($link, -2); 
2481
2482                 print "<counter type=\"category\" id=\"-2\" counter=\"$ctr\"/>";
2483
2484                 $age_qpart = getMaxAgeSubquery();
2485
2486                 $result = db_query($link, "SELECT id AS cat_id, value AS unread 
2487                         FROM ttrss_feed_categories, ttrss_cat_counters_cache 
2488                         WHERE ttrss_cat_counters_cache.feed_id = id AND 
2489                         ttrss_feed_categories.owner_uid = " . $_SESSION["uid"]);
2490
2491                 while ($line = db_fetch_assoc($result)) {
2492                         $line["cat_id"] = (int) $line["cat_id"];
2493
2494                         print "<counter type=\"category\" id=\"".$line["cat_id"]."\" counter=\"".
2495                                 $line["unread"]."\"/>";
2496                 }
2497
2498                 /* Special case: NULL category doesn't actually exist in the DB */
2499
2500                 print "<counter type=\"category\" id=\"0\" counter=\"".
2501                         ccache_find($link, 0, $_SESSION["uid"], true)."\"/>";
2502
2503         }
2504
2505         function getCategoryUnread($link, $cat, $owner_uid = false) {
2506
2507                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2508
2509                 if ($cat >= 0) {
2510
2511                         if ($cat != 0) {
2512                                 $cat_query = "cat_id = '$cat'";
2513                         } else {
2514                                 $cat_query = "cat_id IS NULL";
2515                         }
2516
2517                         $age_qpart = getMaxAgeSubquery();
2518
2519                         $result = db_query($link, "SELECT id FROM ttrss_feeds WHERE $cat_query 
2520                                         AND owner_uid = " . $owner_uid);
2521         
2522                         $cat_feeds = array();
2523                         while ($line = db_fetch_assoc($result)) {
2524                                 array_push($cat_feeds, "feed_id = " . $line["id"]);
2525                         }
2526         
2527                         if (count($cat_feeds) == 0) return 0;
2528         
2529                         $match_part = implode(" OR ", $cat_feeds);
2530         
2531                         $result = db_query($link, "SELECT COUNT(int_id) AS unread 
2532                                 FROM ttrss_user_entries,ttrss_entries 
2533                                 WHERE   unread = true AND ($match_part) AND id = ref_id 
2534                                 AND $age_qpart AND owner_uid = " . $owner_uid);
2535         
2536                         $unread = 0;
2537         
2538                         # this needs to be rewritten
2539                         while ($line = db_fetch_assoc($result)) {
2540                                 $unread += $line["unread"];
2541                         }
2542         
2543                         return $unread;
2544                 } else if ($cat == -1) {
2545                         return getFeedUnread($link, -1) + getFeedUnread($link, -2) + getFeedUnread($link, -3) + getFeedUnread($link, 0);
2546                 } else if ($cat == -2) {
2547
2548                         $result = db_query($link, "
2549                                 SELECT COUNT(unread) AS unread FROM 
2550                                         ttrss_user_entries, ttrss_labels2, ttrss_user_labels2, ttrss_feeds 
2551                                 WHERE label_id = ttrss_labels2.id AND article_id = ref_id AND 
2552                                         ttrss_labels2.owner_uid = '$owner_uid'
2553                                         AND unread = true AND feed_id = ttrss_feeds.id
2554                                         AND ttrss_user_entries.owner_uid = '$owner_uid'");
2555
2556                         $unread = db_fetch_result($result, 0, "unread");
2557
2558                         return $unread;
2559
2560                 } 
2561         }
2562
2563         function getMaxAgeSubquery($days = COUNTERS_MAX_AGE) {
2564                 if (DB_TYPE == "pgsql") {
2565                         return "ttrss_entries.date_entered > 
2566                                 NOW() - INTERVAL '$days days'";
2567                 } else {
2568                         return "ttrss_entries.date_entered > 
2569                                 DATE_SUB(NOW(), INTERVAL $days DAY)";
2570                 }
2571         }
2572
2573         function getFeedUnread($link, $feed, $is_cat = false) {
2574                 return getFeedArticles($link, $feed, $is_cat, true, $_SESSION["uid"]);
2575         }
2576
2577         function getLabelUnread($link, $label_id, $owner_uid = false) {
2578                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2579
2580                 $result = db_query($link, "
2581                         SELECT COUNT(unread) AS unread FROM 
2582                                 ttrss_user_entries, ttrss_labels2, ttrss_user_labels2, ttrss_feeds 
2583                         WHERE label_id = ttrss_labels2.id AND article_id = ref_id AND 
2584                                 ttrss_labels2.owner_uid = '$owner_uid' AND ttrss_labels2.id = '$label_id'
2585                                 AND unread = true AND feed_id = ttrss_feeds.id
2586                                 AND ttrss_user_entries.owner_uid = '$owner_uid'");
2587
2588                 if (db_num_rows($result) != 0) {
2589                         return db_fetch_result($result, 0, "unread");
2590                 } else {
2591                         return 0;
2592                 }
2593         }
2594
2595         function getFeedArticles($link, $feed, $is_cat = false, $unread_only = false,
2596                 $owner_uid = false) {
2597
2598                 $n_feed = (int) $feed;
2599
2600                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2601
2602                 if ($unread_only) {
2603                         $unread_qpart = "unread = true";
2604                 } else {
2605                         $unread_qpart = "true";
2606                 }
2607
2608                 $age_qpart = getMaxAgeSubquery();
2609
2610                 if ($is_cat) {
2611                         return getCategoryUnread($link, $n_feed, $owner_uid);           
2612                 } if ($feed != "0" && $n_feed == 0) {
2613
2614                         $result = db_query($link, "SELECT SUM((SELECT COUNT(int_id)
2615                                 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id 
2616                                         AND ref_id = id AND $age_qpart
2617                                         AND $unread_qpart)) AS count FROM ttrss_tags 
2618                                 WHERE owner_uid = $owner_uid AND tag_name = '$feed'");
2619                         return db_fetch_result($result, 0, "count");
2620
2621                 } else if ($n_feed == -1) {
2622                         $match_part = "marked = true";
2623                 } else if ($n_feed == -2) {
2624                         $match_part = "published = true";
2625                 } else if ($n_feed == -3) {
2626                         $match_part = "unread = true";
2627
2628                         $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
2629
2630                         if (DB_TYPE == "pgsql") {
2631                                 $match_part .= " AND updated > NOW() - INTERVAL '$intl hour' "; 
2632                         } else {
2633                                 $match_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
2634                         }
2635                 } else if ($n_feed == -4) {
2636                         $match_part = "true";
2637                 } else if ($n_feed >= 0) {
2638
2639                         $result = db_query($link, "SELECT id FROM ttrss_feeds 
2640                                         WHERE parent_feed = '$n_feed'
2641                                         AND owner_uid = " . $owner_uid);
2642
2643                         if (db_num_rows($result) > 0) {
2644
2645                                 $linked_feeds = array();
2646                                 while ($line = db_fetch_assoc($result)) {
2647                                         array_push($linked_feeds, "feed_id = " . $line["id"]);
2648                                 }
2649
2650                                 array_push($linked_feeds, "feed_id = $n_feed");
2651                                 
2652                                 $match_part = implode(" OR ", $linked_feeds);
2653
2654                                 $tmp_result = db_query($link, "SELECT COUNT(int_id) AS unread 
2655                                         FROM ttrss_user_entries,ttrss_entries
2656                                         WHERE   $unread_qpart AND
2657                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2658                                         $age_qpart AND
2659                                         ($match_part) AND
2660                                         owner_uid = " . $owner_uid);
2661
2662                                 $unread = 0;
2663
2664                                 # this needs to be rewritten
2665                                 while ($line = db_fetch_assoc($tmp_result)) {
2666                                         $unread += $line["unread"];
2667                                 }
2668
2669                                 return $unread;
2670
2671                         } else {
2672                                 if ($n_feed != 0) {
2673                                         $match_part = "feed_id = '$n_feed'";
2674                                 } else {
2675                                         $match_part = "feed_id IS NULL";
2676                                 }
2677                         }
2678                 } else if ($feed < -10) {
2679
2680                         $label_id = -$feed - 11;
2681
2682                         return getLabelUnread($link, $label_id, $owner_uid);
2683
2684                 }
2685
2686                 if ($match_part) {
2687
2688                         if ($n_feed != 0) {
2689                                 $from_qpart = "ttrss_user_entries,ttrss_feeds,ttrss_entries";
2690                                 $feeds_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
2691                         } else {
2692                                 $from_qpart = "ttrss_user_entries,ttrss_entries";
2693                         }
2694
2695                         $query = "SELECT count(int_id) AS unread 
2696                                 FROM $from_qpart WHERE
2697                                 ttrss_user_entries.ref_id = ttrss_entries.id AND 
2698                                 $age_qpart AND
2699                                 $feeds_qpart
2700                                 $unread_qpart AND ($match_part) AND ttrss_user_entries.owner_uid = $owner_uid";
2701
2702                         $result = db_query($link, $query);
2703                                 
2704                 } else {
2705                 
2706                         $result = db_query($link, "SELECT COUNT(post_int_id) AS unread
2707                                 FROM ttrss_tags,ttrss_user_entries,ttrss_entries 
2708                                 WHERE tag_name = '$feed' AND post_int_id = int_id AND ref_id = ttrss_entries.id 
2709                                 AND $unread_qpart AND $age_qpart AND
2710                                         ttrss_tags.owner_uid = " . $owner_uid);
2711                 }
2712                 
2713                 $unread = db_fetch_result($result, 0, "unread");
2714
2715                 return $unread;
2716         }
2717
2718         function getGlobalUnread($link, $user_id = false) {
2719
2720                 if (!$user_id) {
2721                         $user_id = $_SESSION["uid"];
2722                 }
2723
2724                 $result = db_query($link, "SELECT SUM(value) AS c_id FROM ttrss_counters_cache
2725                         WHERE owner_uid = '$user_id' AND feed_id > 0");
2726
2727                 $c_id = db_fetch_result($result, 0, "c_id"); 
2728
2729                 return $c_id;
2730         }
2731
2732         function getGlobalCounters($link, $global_unread = -1) {
2733                 if ($global_unread == -1) {     
2734                         $global_unread = getGlobalUnread($link);
2735                 }
2736                 print "<counter type=\"global\" id='global-unread' 
2737                         counter='$global_unread'/>";
2738
2739                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM 
2740                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2741
2742                 $subscribed_feeds = db_fetch_result($result, 0, "fn");
2743
2744                 print "<counter type=\"global\" id='subscribed-feeds' 
2745                         counter='$subscribed_feeds'/>";
2746
2747         }
2748
2749         function getSubscribedFeeds($link) {
2750                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM 
2751                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2752
2753                 return db_fetch_result($result, 0, "fn");
2754         }
2755
2756         function getTagCounters($link) {
2757
2758                 $age_qpart = getMaxAgeSubquery();
2759
2760                 $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id) 
2761                         FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id 
2762                                 AND ref_id = id AND $age_qpart
2763                                 AND unread = true)) AS count FROM ttrss_tags 
2764                                 WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name 
2765                                 ORDER BY count DESC LIMIT 55");
2766                         
2767                 $tags = array();
2768
2769                 while ($line = db_fetch_assoc($result)) {
2770                         $tags[$line["tag_name"]] += $line["count"];
2771                 }
2772
2773                 foreach (array_keys($tags) as $tag) {
2774                         $unread = $tags[$tag];                  
2775                         $tag = htmlspecialchars($tag);
2776                         print "<counter type=\"tag\" id=\"$tag\" counter=\"$unread\"/>";
2777                 } 
2778         }
2779
2780         function getVirtCounters($link, $ret_mode = false) {
2781
2782                 $ret_arr = array();
2783
2784                 for ($i = 0; $i >= -4; $i--) {
2785
2786                         $count = getFeedUnread($link, $i);
2787         
2788                         if (!$ret_mode) {
2789         
2790                                 if (get_pref($link, 'EXTENDED_FEEDLIST')) {
2791                                         $xmsg_part = "xmsg=\"(" . getFeedArticles($link, $i) . " total)\"";
2792                                 } else {
2793                                         $xmsg_part = "";
2794                                 }
2795
2796                                 print "<counter type=\"label\" id=\"$i\" counter=\"$count\" $xmsg_part/>";
2797                         } else {
2798                                 $ret_arr[$i]["counter"] = $count;
2799                                 $ret_arr[$i]["description"] = getFeedTitle($link, $i);
2800                         }
2801                 } 
2802
2803                 return $ret_arr;
2804         }
2805
2806         function getLabelCounters($link, $ret_mode = false) {
2807
2808                 $age_qpart = getMaxAgeSubquery();
2809
2810                 $owner_uid = $_SESSION["uid"];
2811
2812                 $result = db_query($link, "SELECT id, caption FROM ttrss_labels2
2813                         WHERE owner_uid = '$owner_uid'");
2814         
2815                 while ($line = db_fetch_assoc($result)) {
2816
2817                         $id = -$line["id"] - 11;
2818
2819                         $label_name = $line["caption"];
2820                         $count = getFeedUnread($link, $id);
2821         
2822                         if (!$ret_mode) {
2823
2824                                 if (get_pref($link, 'EXTENDED_FEEDLIST')) {
2825                                         $xmsg_part = "xmsg=\"(" . getFeedArticles($link, $id) . " total)\"";
2826                                 } else {
2827                                         $xmsg_part = "";
2828                                 }
2829
2830                                 print "<counter type=\"label\" id=\"$id\" counter=\"$count\" $xmsg_part/>";
2831
2832                         } else {
2833                                 $ret_arr[$id]["counter"] = $count;
2834                                 $ret_arr[$id]["description"] = $label_name;
2835                         }
2836                 }
2837         
2838                 return $ret_arr;
2839         }
2840
2841         function getFeedCounters($link, $active_feed = false) {
2842
2843                 $age_qpart = getMaxAgeSubquery();
2844
2845                 $query = "SELECT ttrss_feeds.id,
2846                                 ttrss_feeds.title,
2847                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated, 
2848                                 last_error, value AS count
2849                         FROM ttrss_feeds, ttrss_counters_cache
2850                         WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."  
2851                                 AND parent_feed IS NULL 
2852                                 AND ttrss_counters_cache.feed_id = id";
2853
2854                 $result = db_query($link, $query);
2855                 $fctrs_modified = false;
2856
2857                 $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
2858
2859                 while ($line = db_fetch_assoc($result)) {
2860                 
2861                         $id = $line["id"];
2862                         $count = $line["count"];
2863                         $last_error = htmlspecialchars($line["last_error"]);
2864
2865                         if (get_pref($link, 'HEADLINES_SMART_DATE')) {
2866                                 $last_updated = smart_date_time(strtotime($line["last_updated"]));
2867                         } else {
2868                                 $last_updated = date($short_date, strtotime($line["last_updated"]));
2869                         }                               
2870
2871                         $last_updated = htmlspecialchars($last_updated);
2872
2873                         $has_img = feed_has_icon($id);
2874
2875                         $tmp_result = db_query($link,
2876                                 "SELECT SUM(value) AS unread FROM ttrss_feeds, ttrss_counters_cache 
2877                                         WHERE parent_feed = '$id' AND feed_id = id");
2878
2879                         $count += db_fetch_result($tmp_result, 0, "unread");
2880
2881                         if ($last_error) {
2882                                 $error_part = "error=\"$last_error\"";
2883                         } else {
2884                                 $error_part = "";
2885                         }
2886
2887                         if ($has_img) {
2888                                 $has_img_part = "hi=\"$has_img\"";
2889                         } else {
2890                                 $has_img_part = "";
2891                         }                               
2892
2893                         if ($active_feed && $id == $active_feed) {
2894                                 $has_title_part = "title=\"" . htmlspecialchars($line["title"]) . "\"";
2895                         } else {
2896                                 $has_title_part = "";
2897                         }
2898
2899                         if (get_pref($link, 'EXTENDED_FEEDLIST')) {
2900                                 $xmsg_part = "xmsg=\"(" . getFeedArticles($link, $id) . " total)\"";
2901                         }
2902
2903                         print "<counter type=\"feed\" id=\"$id\" counter=\"$count\" $has_img_part $error_part updated=\"$last_updated\" $xmsg_part $has_title_part/>";
2904                 }
2905         }
2906
2907         function get_script_dt_add() {
2908 /*              if (strpos(VERSION, ".99") === false) {
2909                         return VERSION;
2910                 } else {
2911                         return time();
2912                 } */
2913                 return time();
2914         }
2915
2916         function get_pgsql_version($link) {
2917                 $result = db_query($link, "SELECT version() AS version");
2918                 $version = split(" ", db_fetch_result($result, 0, "version"));
2919                 return $version[1];
2920         }
2921
2922         function print_error_xml($code, $add_msg = "") {
2923                 global $ERRORS;
2924
2925                 $error_msg = $ERRORS[$code];
2926                 
2927                 if ($add_msg) {
2928                         $error_msg = "$error_msg; $add_msg";
2929                 }
2930                 
2931                 print "<rpc-reply>";
2932                 print "<error error-code=\"$code\" error-msg=\"$error_msg\"/>";
2933                 print "</rpc-reply>";
2934         }
2935
2936         function subscribe_to_feed($link, $url, $cat_id = 0, 
2937                         $auth_login = '', $auth_pass = '') {
2938
2939                 $parts = parse_url($url);
2940
2941                 if (!validate_feed_url($url)) return 2;
2942
2943                 if ($parts['scheme'] == 'feed') $parts['scheme'] = 'http';
2944
2945                 $url = make_url_from_parts($parts);
2946
2947                 if ($cat_id == "0" || !$cat_id) {
2948                         $cat_qpart = "NULL";
2949                 } else {
2950                         $cat_qpart = "'$cat_id'";
2951                 }
2952         
2953                 $result = db_query($link,
2954                         "SELECT id FROM ttrss_feeds 
2955                         WHERE feed_url = '$url' AND owner_uid = ".$_SESSION["uid"]);
2956         
2957                 if (db_num_rows($result) == 0) {
2958                         
2959                         $result = db_query($link,
2960                                 "INSERT INTO ttrss_feeds 
2961                                         (owner_uid,feed_url,title,cat_id, auth_login,auth_pass) 
2962                                 VALUES ('".$_SESSION["uid"]."', '$url', 
2963                                 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass')");
2964         
2965                         $result = db_query($link,
2966                                 "SELECT id FROM ttrss_feeds WHERE feed_url = '$url' 
2967                                         AND owner_uid = " . $_SESSION["uid"]);
2968         
2969                         $feed_id = db_fetch_result($result, 0, "id");
2970         
2971                         if ($feed_id) {
2972                                 update_rss_feed($link, $feed_id, true);
2973                         }
2974
2975                         return 1;
2976                 } else {
2977                         return 0;
2978                 }
2979         }
2980
2981         function print_feed_select($link, $id, $default_id = "", 
2982                 $attributes = "", $include_all_feeds = true) {
2983
2984                 print "<select id=\"$id\" name=\"$id\" $attributes>";
2985                 if ($include_all_feeds) { 
2986                         print "<option value=\"0\">".__('All feeds')."</option>";
2987                 }
2988         
2989                 $result = db_query($link, "SELECT id,title FROM ttrss_feeds
2990                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2991
2992                 if (db_num_rows($result) > 0 && $include_all_feeds) {
2993                         print "<option disabled>--------</option>";
2994                 }
2995
2996                 while ($line = db_fetch_assoc($result)) {
2997                         if ($line["id"] == $default_id) {
2998                                 $is_selected = "selected";
2999                         } else {
3000                                 $is_selected = "";
3001                         }
3002
3003                         $title = truncate_string(htmlspecialchars($line["title"]), 40);
3004
3005                         printf("<option $is_selected value='%d'>%s</option>", 
3006                                 $line["id"], $title);
3007                 }
3008         
3009                 print "</select>";
3010         }
3011
3012         function print_feed_cat_select($link, $id, $default_id = "", 
3013                 $attributes = "", $include_all_cats = true) {
3014                 
3015                 print "<select id=\"$id\" name=\"$id\" $attributes>";
3016
3017                 if ($include_all_cats) {
3018                         print "<option value=\"0\">".__('Uncategorized')."</option>";
3019                 }
3020
3021                 $result = db_query($link, "SELECT id,title FROM ttrss_feed_categories
3022                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
3023
3024                 if (db_num_rows($result) > 0 && $include_all_cats) {
3025                         print "<option disabled>--------</option>";
3026                 }
3027
3028                 while ($line = db_fetch_assoc($result)) {
3029                         if ($line["id"] == $default_id) {
3030                                 $is_selected = "selected";
3031                         } else {
3032                                 $is_selected = "";
3033                         }
3034                         printf("<option $is_selected value='%d'>%s</option>", 
3035                                 $line["id"], htmlspecialchars($line["title"]));
3036                 }
3037
3038                 print "</select>";
3039         }
3040         
3041         function checkbox_to_sql_bool($val) {
3042                 return ($val == "on") ? "true" : "false";
3043         }
3044
3045         function getFeedCatTitle($link, $id) {
3046                 if ($id == -1) {
3047                         return __("Special");
3048                 } else if ($id < -10) {
3049                         return __("Labels");
3050                 } else if ($id > 0) {
3051                         $result = db_query($link, "SELECT ttrss_feed_categories.title 
3052                                 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
3053                                         cat_id = ttrss_feed_categories.id");
3054                         if (db_num_rows($result) == 1) {
3055                                 return db_fetch_result($result, 0, "title");
3056                         } else {
3057                                 return __("Uncategorized");
3058                         }
3059                 } else {
3060                         return "getFeedCatTitle($id) failed";
3061                 }
3062
3063         }
3064
3065         function getFeedIcon($id) {
3066                 switch ($id) {
3067                 case 0:
3068                         return "images/archive.png";
3069                         break;
3070                 case -1:
3071                         return "images/mark_set.png";
3072                         break;
3073                 case -2:
3074                         return "images/pub_set.png";
3075                         break;
3076                 case -3:
3077                         return "images/fresh.png";
3078                         break;
3079                 case -4:
3080                         return "images/tag.png";
3081                         break;
3082                 default:
3083                         if ($id < -10) {
3084                                 return "images/label.png";
3085                         } else {
3086                                 return ICONS_URL . "/$id.ico";
3087                         }
3088                         break;
3089                 }
3090         }
3091
3092         function getFeedTitle($link, $id) {
3093                 if ($id == -1) {
3094                         return __("Starred articles");
3095                 } else if ($id == -2) {
3096                         return __("Published articles");
3097                 } else if ($id == -3) {
3098                         return __("Fresh articles");
3099                 } else if ($id == -4) {
3100                         return __("All articles");
3101                 } else if ($id === 0 || $id === "0") {
3102                         return __("Archived articles");
3103                 } else if ($id < -10) {
3104                         $label_id = -$id - 11;
3105                         $result = db_query($link, "SELECT caption FROM ttrss_labels2 WHERE id = '$label_id'");
3106                         if (db_num_rows($result) == 1) {
3107                                 return db_fetch_result($result, 0, "caption");
3108                         } else {
3109                                 return "Unknown label ($label_id)";
3110                         }
3111
3112                 } else if ($id > 0) {
3113                         $result = db_query($link, "SELECT title FROM ttrss_feeds WHERE id = '$id'");
3114                         if (db_num_rows($result) == 1) {
3115                                 return db_fetch_result($result, 0, "title");
3116                         } else {
3117                                 return "Unknown feed ($id)";
3118                         }
3119                 } else {
3120                         return $id;
3121                 }
3122         }
3123
3124         function get_session_cookie_name() {
3125                 return ((!defined('TTRSS_SESSION_NAME')) ? "ttrss_sid" : TTRSS_SESSION_NAME);
3126         }
3127
3128         function print_init_params($link) {
3129                 print "<init-params>";
3130                 if ($_SESSION["stored-params"]) {
3131                         foreach (array_keys($_SESSION["stored-params"]) as $key) {
3132                                 if ($key) {
3133                                         $value = htmlspecialchars($_SESSION["stored-params"][$key]);
3134                                         print "<param key=\"$key\" value=\"$value\"/>";
3135                                 }
3136                         }
3137                 }
3138
3139                 print "<param key=\"theme\" value=\"".get_user_theme($link)."\"/>";
3140                 print "<param key=\"theme_options\" value=\"".get_user_theme_options($link)."\"/>";
3141                 print "<param key=\"daemon_enabled\" value=\"" . ENABLE_UPDATE_DAEMON . "\"/>";
3142                 print "<param key=\"feeds_frame_refresh\" value=\"" . FEEDS_FRAME_REFRESH . "\"/>";
3143                 print "<param key=\"daemon_refresh_only\" value=\"true\"/>";
3144
3145                 print "<param key=\"sign_progress\" value=\"".
3146                         theme_image($link, "images/indicator_white.gif")."\"/>";
3147
3148                 print "<param key=\"sign_progress_tiny\" value=\"".
3149                         theme_image($link, "images/indicator_tiny.gif")."\"/>";
3150
3151                 print "<param key=\"sign_excl\" value=\"".
3152                         theme_image($link, "images/sign_excl.png")."\"/>";
3153
3154                 print "<param key=\"sign_info\" value=\"".
3155                         theme_image($link, "images/sign_info.png")."\"/>";
3156
3157                 print "<param key=\"on_catchup_show_next_feed\" value=\"" . 
3158                         get_pref($link, "ON_CATCHUP_SHOW_NEXT_FEED") . "\"/>";
3159
3160                 print "<param key=\"hide_read_feeds\" value=\"" . 
3161                         (int) get_pref($link, "HIDE_READ_FEEDS") . "\"/>";
3162
3163                 print "<param key=\"enable_feed_cats\" value=\"" . 
3164                         (int) get_pref($link, "ENABLE_FEED_CATS") . "\"/>";
3165
3166                 print "<param key=\"feeds_sort_by_unread\" value=\"" . 
3167                         (int) get_pref($link, "FEEDS_SORT_BY_UNREAD") . "\"/>";
3168
3169                 print "<param key=\"confirm_feed_catchup\" value=\"" . 
3170                         (int) get_pref($link, "CONFIRM_FEED_CATCHUP") . "\"/>";
3171
3172                 print "<param key=\"cdm_auto_catchup\" value=\"" . 
3173                         (int) get_pref($link, "CDM_AUTO_CATCHUP") . "\"/>";
3174
3175                 print "<param key=\"icons_url\" value=\"" . ICONS_URL . "\"/>";
3176
3177                 print "<param key=\"cookie_lifetime\" value=\"" . SESSION_COOKIE_LIFETIME . "\"/>";
3178
3179                 print "<param key=\"default_view_mode\" value=\"" . 
3180                         get_pref($link, "_DEFAULT_VIEW_MODE") . "\"/>";
3181
3182                 print "<param key=\"default_view_limit\" value=\"" . 
3183                         (int) get_pref($link, "_DEFAULT_VIEW_LIMIT") . "\"/>";
3184
3185                 print "<param key=\"default_view_order_by\" value=\"" . 
3186                         get_pref($link, "_DEFAULT_VIEW_ORDER_BY") . "\"/>";
3187
3188                 print "<param key=\"prefs_active_tab\" value=\"" . 
3189                         get_pref($link, "_PREFS_ACTIVE_TAB") . "\"/>";
3190
3191                 print "<param key=\"infobox_disable_overlay\" value=\"" . 
3192                         get_pref($link, "_INFOBOX_DISABLE_OVERLAY") . "\"/>";
3193
3194                 print "<param key=\"icons_location\" value=\"" . 
3195                         ICONS_URL . "\"/>";
3196
3197                 print "<param key=\"hide_read_shows_special\" value=\"" . 
3198                         (int) get_pref($link, "HIDE_READ_SHOWS_SPECIAL") . "\"/>";
3199
3200                 print "<param key=\"hide_feedlist\" value=\"" .
3201                         (int) get_pref($link, "HIDE_FEEDLIST") . "\"/>";
3202
3203                 print "<param key=\"bw_limit\" value=\"".
3204                         (int) $_SESSION["bw_limit"]."\"/>";
3205
3206 //              print "<param key=\"sync_counters\" value=\"" . 
3207 //                      (int) get_pref($link, "SYNC_COUNTERS") . "\"/>";
3208
3209                 print "<param key=\"sync_counters\" value=\"1\"/>";
3210
3211                 print "<param key=\"offline_enabled\" value=\"".
3212                         (int) get_pref($link, "ENABLE_OFFLINE_READING") . "\"/>";
3213
3214                 $result = db_query($link, "SELECT COUNT(*) AS cf FROM
3215                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
3216
3217                 $num_feeds = db_fetch_result($result, 0, "cf");
3218
3219                 print "<param key=\"num_feeds\" value=\"".
3220                         (int)$num_feeds. "\"/>";
3221
3222                 print "<param key=\"collapsed_feedlist\" value=\"" . 
3223                         (int) get_pref($link, "_COLLAPSED_FEEDLIST") . "\"/>";
3224
3225                 print "</init-params>";
3226         }
3227
3228         function print_runtime_info($link) {
3229                 print "<runtime-info>";
3230
3231                 $result = db_query($link, "SELECT COUNT(*) AS cf FROM
3232                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
3233
3234                 $num_feeds = db_fetch_result($result, 0, "cf");
3235
3236                 print "<param key=\"num_feeds\" value=\"".
3237                         (int)$num_feeds. "\"/>";
3238
3239                 if (ENABLE_UPDATE_DAEMON) {
3240                         print "<param key=\"daemon_is_running\" value=\"".
3241                                 (int) file_is_locked("update_daemon.lock") . "\"/>";
3242
3243                         if (time() - $_SESSION["daemon_stamp_check"] > 30) {
3244
3245                                 $stamp = (int)read_stampfile("update_daemon.stamp");
3246
3247 //                              print "<param key=\"daemon_stamp_delta\" value=\"$stamp_delta\"/>";
3248
3249                                 if ($stamp) {
3250                                         $stamp_delta = time() - $stamp;
3251
3252                                         if ($stamp_delta > 1800) {
3253                                                 $stamp_check = 0;
3254                                         } else {
3255                                                 $stamp_check = 1;
3256                                                 $_SESSION["daemon_stamp_check"] = time();
3257                                         }
3258
3259                                         print "<param key=\"daemon_stamp_ok\" value=\"$stamp_check\"/>";
3260
3261                                         $stamp_fmt = date("Y.m.d, G:i", $stamp);
3262
3263                                         print "<param key=\"daemon_stamp\" value=\"$stamp_fmt\"/>";
3264                                 }
3265                         }
3266                 }
3267
3268                 if (CHECK_FOR_NEW_VERSION && $_SESSION["access_level"] >= 10) {
3269                         
3270                         if ($_SESSION["last_version_check"] + 86400 + rand(-1000, 1000) < time()) {
3271                                 $new_version_details = check_for_update($link);
3272
3273                                 print "<param key=\"new_version_available\" value=\"".
3274                                         sprintf("%d", $new_version_details != ""). "\"/>";
3275
3276                                 $_SESSION["last_version_check"] = time();
3277                         }
3278                 }
3279
3280 //              print "<param key=\"new_version_available\" value=\"1\"/>";
3281
3282                 print "</runtime-info>";
3283         }
3284
3285         function getSearchSql($search, $match_on) {
3286
3287                 $search_query_part = "";
3288
3289                 $keywords = split(" ", $search);
3290                 $query_keywords = array();
3291
3292                 if ($match_on == "both") {
3293
3294                         foreach ($keywords as $k) {
3295                                 if (strpos($k, "-") === 0) {
3296                                         $k = substr($k, 1);
3297                                         $not = "NOT";
3298                                 } else {
3299                                         $not = "";
3300                                 }
3301
3302                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
3303                                         OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
3304                         }
3305
3306                         $search_query_part = implode("AND", $query_keywords) . " AND ";
3307
3308                 } else if ($match_on == "title") {
3309
3310                         foreach ($keywords as $k) {
3311                                 if (strpos($k, "-") === 0) {
3312                                         $k = substr($k, 1);
3313                                         $not = "NOT";
3314                                 } else {
3315                                         $not = "";
3316                                 }
3317
3318                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%'))");
3319                         }
3320
3321                         $search_query_part = implode("AND", $query_keywords) . " AND ";
3322
3323                 } else if ($match_on == "content") {
3324
3325                         foreach ($keywords as $k) {
3326                                 if (strpos($k, "-") === 0) {
3327                                         $k = substr($k, 1);
3328                                         $not = "NOT";
3329                                 } else {
3330                                         $not = "";
3331                                 }
3332
3333                                 array_push($query_keywords, "(UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
3334                         }
3335                 }
3336
3337                 $search_query_part = implode("AND", $query_keywords);
3338
3339                 return $search_query_part;
3340         }
3341
3342         function queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view, $search, $search_mode, $match_on, $override_order = false, $offset = 0, $owner_uid = 0) {
3343
3344                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3345
3346                         if ($search) {
3347                         
3348                                 $search_query_part = getSearchSql($search, $match_on);
3349                                 $search_query_part .= " AND ";
3350
3351                         } else {
3352                                 $search_query_part = "";
3353                         }
3354
3355                         $view_query_part = "";
3356         
3357                         if ($view_mode == "adaptive" || $view_query_part == "noscores") {
3358                                 if ($search) {
3359                                         $view_query_part = " ";
3360                                 } else if ($feed != -1) {
3361                                         $unread = getFeedUnread($link, $feed, $cat_view);
3362                                         if ($unread > 0) {
3363                                                 $view_query_part = " unread = true AND ";
3364                                         }
3365                                 }
3366                         }
3367         
3368                         if ($view_mode == "marked") {
3369                                 $view_query_part = " marked = true AND ";
3370                         }
3371         
3372                         if ($view_mode == "unread") {
3373                                 $view_query_part = " unread = true AND ";
3374                         }
3375
3376                         if ($view_mode == "updated") {
3377                                 $view_query_part = " (last_read is null and unread = false) AND ";
3378                         }
3379
3380                         if ($limit > 0) {
3381                                 $limit_query_part = "LIMIT " . $limit;
3382                         } 
3383
3384                         $vfeed_query_part = "";
3385         
3386                         // override query strategy and enable feed display when searching globally
3387                         if ($search && $search_mode == "all_feeds") {
3388                                 $query_strategy_part = "ttrss_entries.id > 0";
3389                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";         
3390                         /* tags */
3391                         } else if (preg_match("/^-?[0-9][0-9]*$/", $feed) == false) {
3392                                 $query_strategy_part = "ttrss_entries.id > 0";
3393                                 $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
3394                                         id = feed_id) as feed_title,";
3395                         } else if ($feed > 0 && $search && $search_mode == "this_cat") {
3396         
3397                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";         
3398
3399                                 $tmp_result = false;
3400
3401                                 if ($cat_view) {
3402                                         $tmp_result = db_query($link, "SELECT id 
3403                                                 FROM ttrss_feeds WHERE cat_id = '$feed'");
3404                                 } else {
3405                                         $tmp_result = db_query($link, "SELECT id
3406                                                 FROM ttrss_feeds WHERE cat_id = (SELECT cat_id FROM ttrss_feeds 
3407                                                         WHERE id = '$feed') AND id != '$feed'");
3408                                 }
3409         
3410                                 $cat_siblings = array();
3411         
3412                                 if (db_num_rows($tmp_result) > 0) {
3413                                         while ($p = db_fetch_assoc($tmp_result)) {
3414                                                 array_push($cat_siblings, "feed_id = " . $p["id"]);
3415                                         }
3416         
3417                                         $query_strategy_part = sprintf("(feed_id = %d OR %s)", 
3418                                                 $feed, implode(" OR ", $cat_siblings));
3419         
3420                                 } else {
3421                                         $query_strategy_part = "ttrss_entries.id > 0";
3422                                 }
3423                                 
3424                         } else if ($feed > 0) {
3425         
3426                                 if ($cat_view) {
3427
3428                                         if ($feed > 0) {
3429                                                 $query_strategy_part = "cat_id = '$feed'";
3430                                         } else {
3431                                                 $query_strategy_part = "cat_id IS NULL";
3432                                         }
3433         
3434                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3435
3436                                 } else {                
3437                                         $tmp_result = db_query($link, "SELECT id 
3438                                                 FROM ttrss_feeds WHERE parent_feed = '$feed'
3439                                                 ORDER BY cat_id,title");
3440                 
3441                                         $parent_ids = array();
3442                 
3443                                         if (db_num_rows($tmp_result) > 0) {
3444                                                 while ($p = db_fetch_assoc($tmp_result)) {
3445                                                         array_push($parent_ids, "feed_id = " . $p["id"]);
3446                                                 }
3447                 
3448                                                 $query_strategy_part = sprintf("(feed_id = %d OR %s)", 
3449                                                         $feed, implode(" OR ", $parent_ids));
3450                 
3451                                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3452                                         } else {
3453                                                 $query_strategy_part = "feed_id = '$feed'";
3454                                         }
3455                                 }
3456                         } else if ($feed == 0) { // starred virtual feed
3457                                 $query_strategy_part = "feed_id IS NULL";
3458                         } else if ($feed == -1) { // starred virtual feed
3459                                 $query_strategy_part = "marked = true";
3460                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3461                         } else if ($feed == -2) { // published virtual feed OR labels category
3462
3463                                 if (!$cat_view) {
3464                                         $query_strategy_part = "published = true";
3465                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3466                                 } else {
3467                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3468
3469                                         $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
3470         
3471                                         $query_strategy_part = "ttrss_labels2.id = ttrss_user_labels2.label_id AND
3472                                                 ttrss_user_labels2.article_id = ref_id";
3473
3474                                 }
3475
3476                         } else if ($feed == -3) { // fresh virtual feed
3477                                 $query_strategy_part = "unread = true";
3478
3479                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
3480
3481                                 if (DB_TYPE == "pgsql") {
3482                                         $query_strategy_part .= " AND updated > NOW() - INTERVAL '$intl hour' "; 
3483                                 } else {
3484                                         $query_strategy_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
3485                                 }
3486
3487                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3488                         } else if ($feed == -4) { // all articles virtual feed
3489                                 $query_strategy_part = "true";
3490                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3491                         } else if ($feed <= -10) { // labels
3492                                 $label_id = -$feed - 11;
3493
3494                                 $query_strategy_part = "label_id = '$label_id' AND
3495                                         ttrss_labels2.id = ttrss_user_labels2.label_id AND
3496                                         ttrss_user_labels2.article_id = ref_id";
3497
3498                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3499                                 $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
3500  
3501                         } else {
3502                                 $query_strategy_part = "id > 0"; // dumb
3503                         }
3504
3505                         if (get_pref($link, 'REVERSE_HEADLINES', $owner_uid)) {
3506                                 $order_by = "updated";
3507                         } else {        
3508                                 $order_by = "updated DESC";
3509                         }
3510
3511                         if ($view_mode != "noscores") {
3512                                 $order_by = "score DESC, $order_by";
3513                         }
3514
3515                         if ($override_order) {
3516                                 $order_by = $override_order;
3517                         }
3518         
3519                         $feed_title = "";
3520
3521                         if ($search) {
3522                                 $feed_title = "Search results";
3523                         } else {
3524                                 if ($cat_view) {
3525                                         $feed_title = getCategoryTitle($link, $feed);
3526                                 } else {
3527                                         if ((int)$feed == $feed && $feed > 0) {
3528                                                 $result = db_query($link, "SELECT title,site_url,last_error 
3529                                                         FROM ttrss_feeds WHERE id = '$feed' AND owner_uid = $owner_uid");
3530                 
3531                                                 $feed_title = db_fetch_result($result, 0, "title");
3532                                                 $feed_site_url = db_fetch_result($result, 0, "site_url");
3533                                                 $last_error = db_fetch_result($result, 0, "last_error");
3534                                         } else {
3535                                                 $feed_title = getFeedTitle($link, $feed);
3536                                         } 
3537                                 }
3538                         }
3539
3540                         $content_query_part = "content as content_preview,";
3541
3542                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
3543         
3544                                 if ($feed >= 0) {
3545                                         $feed_kind = "Feeds";
3546                                 } else {
3547                                         $feed_kind = "Labels";
3548                                 }
3549         
3550                                 if ($limit_query_part) {
3551                                         $offset_query_part = "OFFSET $offset";
3552                                 }
3553
3554                                 if ($vfeed_query_part && get_pref($link, 'VFEED_GROUP_BY_FEED', $owner_uid)) {
3555                                         if (!$override_order) {
3556                                                 $order_by = "ttrss_feeds.title, $order_by";     
3557                                         }
3558                                 }
3559
3560                                 if ($feed != "0") {
3561                                         $from_qpart = "ttrss_entries,ttrss_user_entries,ttrss_feeds$ext_tables_part";
3562                                         $feed_check_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
3563
3564                                 } else {
3565                                         $from_qpart = "ttrss_entries,ttrss_user_entries$ext_tables_part
3566                                                 LEFT JOIN ttrss_feeds ON (feed_id = ttrss_feeds.id)";
3567                                 }
3568
3569                                 $query = "SELECT DISTINCT 
3570                                                 guid,
3571                                                 ttrss_entries.id,ttrss_entries.title,
3572                                                 updated,
3573                                                 note,
3574                                                 unread,feed_id,marked,published,link,last_read,orig_feed_id,
3575                                                 ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3576                                                 $vfeed_query_part
3577                                                 $content_query_part
3578                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
3579                                                 author,score
3580                                         FROM
3581                                                 $from_qpart
3582                                         WHERE
3583                                         $group_limit_part
3584                                         $feed_check_qpart
3585                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
3586                                         ttrss_user_entries.owner_uid = '$owner_uid' AND
3587                                         $search_query_part
3588                                         $view_query_part
3589                                         $query_strategy_part ORDER BY $order_by
3590                                         $limit_query_part $offset_query_part";
3591
3592                                 if ($_REQUEST["debug"]) print $query;
3593
3594                                 $result = db_query($link, $query);
3595         
3596                         } else {
3597                                 // browsing by tag
3598         
3599                                 $feed_kind = "Tags";
3600         
3601                                 $result = db_query($link, "SELECT
3602                                         guid,
3603                                         note,
3604                                         ttrss_entries.id as id,title,
3605                                         updated,
3606                                         unread,feed_id,orig_feed_id,
3607                                         marked,link,last_read,                          
3608                                         ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3609                                         $vfeed_query_part
3610                                         $content_query_part
3611                                         ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
3612                                         score
3613                                         FROM
3614                                                 ttrss_entries,ttrss_user_entries,ttrss_tags
3615                                         WHERE
3616                                                 ref_id = ttrss_entries.id AND 
3617                                                 ttrss_user_entries.owner_uid = '$owner_uid' AND
3618                                                 post_int_id = int_id AND tag_name = '$feed' AND
3619                                                 $view_query_part
3620                                                 $search_query_part
3621                                                 $query_strategy_part ORDER BY $order_by
3622                                         $limit_query_part");    
3623                         }
3624
3625                         return array($result, $feed_title, $feed_site_url, $last_error);
3626                 
3627         }
3628
3629         function generate_syndicated_feed($link, $owner_uid, $feed, $is_cat,
3630                 $limit, $search, $search_mode, $match_on) {
3631
3632                 $note_style =   "float : right; background-color : #fff7d5; border-width : 1px; ".
3633                         "padding : 5px; border-style : dashed; border-color : #e7d796;".
3634                         "margin-bottom : 1em; color : #9a8c59;";
3635
3636                 if (!$limit) $limit = 30;
3637
3638                 $qfh_ret = queryFeedHeadlines($link, $feed, 
3639                         $limit, false, $is_cat, $search, $search_mode, $match_on, "updated DESC", 0,
3640                         $owner_uid);
3641
3642                 $result = $qfh_ret[0];
3643                 $feed_title = htmlspecialchars($qfh_ret[1]);
3644                 $feed_site_url = $qfh_ret[2];
3645                 $last_error = $qfh_ret[3];
3646
3647 //              if (!$feed_site_url) $feed_site_url = "http://localhost/";
3648
3649                 print "<?xml version=\"1.0\" encoding=\"utf-8\"?>
3650                         <?xml-stylesheet type=\"text/xsl\" href=\"rss.xsl\"?>
3651                         <rss version=\"2.0\">
3652                         <channel>
3653                         <title>$feed_title</title>
3654                         <link>$feed_site_url</link>
3655                         <description>Feed generated by Tiny Tiny RSS</description>";
3656  
3657                 while ($line = db_fetch_assoc($result)) {
3658                         print "<item>";
3659                         print "<guid>" . htmlspecialchars($line["guid"]) . "</guid>";
3660                         print "<link>" . htmlspecialchars($line["link"]) . "</link>";
3661
3662                         $tags = get_article_tags($link, $line["id"], $owner_uid);
3663
3664                         foreach ($tags as $tag) {
3665                                 print "<category>" . htmlspecialchars($tag) . "</category>";
3666                         }
3667
3668                         $rfc822_date = date('r', strtotime($line["updated"]));
3669   
3670                         print "<pubDate>$rfc822_date</pubDate>";
3671
3672                         if ($line["author"]) {
3673                                 print "<author>" . htmlspecialchars($line["author"]) . "</author>";
3674                         }
3675  
3676                         print "<title>" . 
3677                                 htmlspecialchars($line["title"]) . "</title>";
3678   
3679                         print "<description><![CDATA[";
3680
3681                         if ($line["note"]) {
3682                                 print "<div style='$note_style'>";
3683                                 print $line["note"];
3684                                 print "</div>";
3685                         }
3686
3687                         print sanitize_rss($link, $line["content_preview"], false, $owner_uid);
3688                         print "]]></description>";
3689   
3690                         print "</item>";
3691                 }
3692   
3693                 print "</channel></rss>";
3694
3695         }
3696
3697         function getCategoryTitle($link, $cat_id) {
3698
3699                 if ($cat_id == -1) {
3700                         return __("Special");
3701                 } else if ($cat_id == -2) {
3702                         return __("Labels");
3703                 } else {
3704
3705                         $result = db_query($link, "SELECT title FROM ttrss_feed_categories WHERE
3706                                 id = '$cat_id'");
3707
3708                         if (db_num_rows($result) == 1) {
3709                                 return db_fetch_result($result, 0, "title");
3710                         } else {
3711                                 return "Uncategorized";
3712                         }
3713                 }
3714         }
3715
3716         function strip_tags_long($string, $allowed) {
3717
3718                 $config = HTMLPurifier_Config::createDefault();
3719
3720                 $config->set('HTML', 'Allowed', $allowed);
3721                 $purifier = new HTMLPurifier($config);
3722
3723                 return $purifier->purify($string);              
3724
3725         }
3726
3727         // http://ru2.php.net/strip-tags
3728
3729 /*      function strip_tags_long($textstring, $allowed){
3730         while($textstring != strip_tags($textstring, $allowed))
3731     {
3732     while (strlen($textstring) != 0)
3733          {
3734          if (strlen($textstring) > 1024) {
3735               $otherlen = 1024;
3736          } else {
3737               $otherlen = strlen($textstring);
3738          }
3739          $temptext = strip_tags(substr($textstring,0,$otherlen), $allowed);
3740          $safetext .= $temptext;
3741          $textstring = substr_replace($textstring,'',0,$otherlen);
3742          }  
3743     $textstring = $safetext;
3744     }
3745         return $textstring;
3746 } */
3747
3748
3749         function sanitize_rss($link, $str, $force_strip_tags = false, $owner = false) {
3750                 $res = $str;
3751
3752                 if (!$owner) $owner = $_SESSION["uid"];
3753
3754                 if (get_pref($link, "STRIP_UNSAFE_TAGS", $owner) || $force_strip_tags) {
3755
3756 //                      $res = strip_tags_long($res, 
3757 //                              "<p><a><i><em><b><strong><code><pre><blockquote><br><img><ul><ol><li>");
3758
3759                         $res = strip_tags_long($res, 
3760                                 "p,a[href],i,em,b,strong,code,pre,blockquote,br,img[src|alt|title],ul,ol,li,h1,h2,h3,h4");
3761
3762                 }
3763
3764                 if (get_pref($link, "STRIP_IMAGES", $owner)) {
3765                         $res = preg_replace('/<img[^>]+>/is', '', $res);
3766                 }
3767
3768                 if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW', $owner)) {
3769                         $res = preg_replace("/href=/i", "target=\"_blank\" href=", $res);
3770                 }
3771
3772                 return $res;
3773         }
3774
3775         /**
3776          * Send by mail a digest of last articles.
3777          * 
3778          * @param mixed $link The database connection.
3779          * @param integer $limit The maximum number of articles by digest.
3780          * @return boolean Return false if digests are not enabled.
3781          */
3782         function send_headlines_digests($link, $limit = 100) {
3783
3784                 if (!DIGEST_ENABLE) return false;
3785
3786                 $user_limit = DIGEST_EMAIL_LIMIT;
3787                 $days = 1;
3788
3789                 print "Sending digests, batch of max $user_limit users, days = $days, headline limit = $limit\n\n";
3790
3791                 if (DB_TYPE == "pgsql") {
3792                         $interval_query = "last_digest_sent < NOW() - INTERVAL '$days days'";
3793                 } else if (DB_TYPE == "mysql") {
3794                         $interval_query = "last_digest_sent < DATE_SUB(NOW(), INTERVAL $days DAY)";
3795                 }
3796
3797                 $result = db_query($link, "SELECT id,email FROM ttrss_users 
3798                                 WHERE email != '' AND (last_digest_sent IS NULL OR $interval_query)");
3799
3800                 while ($line = db_fetch_assoc($result)) {
3801
3802                         if (get_pref($link, 'DIGEST_ENABLE', $line['id'], false)) {
3803                                 print "Sending digest for UID:" . $line['id'] . " - " . $line["email"] . " ... ";
3804
3805                                 $do_catchup = get_pref($link, 'DIGEST_CATCHUP', $line['id'], false);
3806
3807                                 $tuple = prepare_headlines_digest($link, $line["id"], $days, $limit);
3808                                 $digest = $tuple[0];
3809                                 $headlines_count = $tuple[1];
3810                                 $affected_ids = $tuple[2];
3811                                 $digest_text = $tuple[3];
3812
3813                                 if ($headlines_count > 0) {
3814
3815                                         $mail = new PHPMailer();
3816
3817                                         $mail->PluginDir = "lib/phpmailer/";
3818                                         $mail->SetLanguage("en", "lib/phpmailer/language/");
3819
3820                                         $mail->CharSet = "UTF-8";
3821
3822                                         $mail->From = DIGEST_FROM_ADDRESS;
3823                                         $mail->FromName = DIGEST_FROM_NAME;
3824                                         $mail->AddAddress($line["email"], $line["login"]);
3825
3826                                         if (DIGEST_SMTP_HOST) {
3827                                                 $mail->Host = DIGEST_SMTP_HOST;
3828                                                 $mail->Mailer = "smtp";
3829                                                 $mail->SMTPAuth = DIGEST_SMTP_LOGIN != '';
3830                                                 $mail->Username = DIGEST_SMTP_LOGIN;
3831                                                 $mail->Password = DIGEST_SMTP_PASSWORD;
3832                                         }
3833
3834                                         $mail->IsHTML(true);
3835                                         $mail->Subject = DIGEST_SUBJECT;
3836                                         $mail->Body = $digest;
3837                                         $mail->AltBody = $digest_text;
3838
3839                                         $rc = $mail->Send();
3840
3841                                         if (!$rc) print "ERROR: " . $mail->ErrorInfo;
3842
3843                                         print "RC=$rc\n";
3844
3845                                         if ($rc && $do_catchup) {
3846                                                 print "Marking affected articles as read...\n";
3847                                                 catchupArticlesById($link, $affected_ids, 0, $line["id"]);
3848                                         }
3849
3850                                         db_query($link, "UPDATE ttrss_users SET last_digest_sent = NOW() 
3851                                                         WHERE id = " . $line["id"]);
3852                                 } else {
3853                                         print "No headlines\n";
3854                                 }
3855                         }
3856                 }
3857
3858                 print "All done.\n";
3859
3860         }
3861
3862         function prepare_headlines_digest($link, $user_id, $days = 1, $limit = 100) {
3863
3864                 require_once "lib/MiniTemplator.class.php";
3865
3866                 $tpl = new MiniTemplator;
3867                 $tpl_t = new MiniTemplator;
3868
3869                 $tpl->readTemplateFromFile("templates/digest_template_html.txt");
3870                 $tpl_t->readTemplateFromFile("templates/digest_template.txt");
3871
3872                 $tpl->setVariable('CUR_DATE', date('Y/m/d'));
3873                 $tpl->setVariable('CUR_TIME', date('G:i'));
3874
3875                 $tpl_t->setVariable('CUR_DATE', date('Y/m/d'));
3876                 $tpl_t->setVariable('CUR_TIME', date('G:i'));
3877
3878                 $affected_ids = array();
3879
3880                 if (DB_TYPE == "pgsql") {
3881                         $interval_query = "ttrss_entries.date_entered > NOW() - INTERVAL '$days days'";
3882                 } else if (DB_TYPE == "mysql") {
3883                         $interval_query = "ttrss_entries.date_entered > DATE_SUB(NOW(), INTERVAL $days DAY)";
3884                 }
3885
3886                 $result = db_query($link, "SELECT ttrss_entries.title,
3887                                 ttrss_feeds.title AS feed_title,
3888                                 date_entered,
3889                                 ttrss_user_entries.ref_id,
3890                                 link,
3891                                 SUBSTRING(content, 1, 120) AS excerpt,
3892                                 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
3893                         FROM 
3894                                 ttrss_user_entries,ttrss_entries,ttrss_feeds 
3895                         WHERE 
3896                                 ref_id = ttrss_entries.id AND feed_id = ttrss_feeds.id 
3897                                 AND include_in_digest = true
3898                                 AND $interval_query
3899                                 AND ttrss_user_entries.owner_uid = $user_id
3900                                 AND unread = true 
3901                         ORDER BY ttrss_feeds.title, date_entered DESC
3902                         LIMIT $limit");
3903
3904                 $cur_feed_title = "";
3905
3906                 $headlines_count = db_num_rows($result);
3907
3908                 $headlines = array();
3909
3910                 while ($line = db_fetch_assoc($result)) {
3911                         array_push($headlines, $line);
3912                 }
3913
3914                 for ($i = 0; $i < sizeof($headlines); $i++) {   
3915
3916                         $line = $headlines[$i];
3917
3918                         array_push($affected_ids, $line["ref_id"]);
3919
3920                         $updated = smart_date_time(strtotime($line["last_updated"]));
3921
3922                         $tpl->setVariable('FEED_TITLE', $line["feed_title"]);
3923                         $tpl->setVariable('ARTICLE_TITLE', $line["title"]);
3924                         $tpl->setVariable('ARTICLE_LINK', $line["link"]);
3925                         $tpl->setVariable('ARTICLE_UPDATED', $updated);
3926                         $tpl->setVariable('ARTICLE_EXCERPT', 
3927                                 truncate_string(strip_tags($line["excerpt"]), 100));
3928
3929                         $tpl->addBlock('article');
3930
3931                         $tpl_t->setVariable('FEED_TITLE', $line["feed_title"]);
3932                         $tpl_t->setVariable('ARTICLE_TITLE', $line["title"]);
3933                         $tpl_t->setVariable('ARTICLE_LINK', $line["link"]);
3934                         $tpl_t->setVariable('ARTICLE_UPDATED', $updated);
3935 //                      $tpl_t->setVariable('ARTICLE_EXCERPT', 
3936 //                              truncate_string(strip_tags($line["excerpt"]), 100));
3937
3938                         $tpl_t->addBlock('article');
3939
3940                         if ($headlines[$i]['feed_title'] != $headlines[$i+1]['feed_title']) {
3941                                 $tpl->addBlock('feed');
3942                                 $tpl_t->addBlock('feed');
3943                         }
3944
3945                 }
3946
3947                 $tpl->addBlock('digest');
3948                 $tpl->generateOutputToString($tmp);
3949
3950                 $tpl_t->addBlock('digest');
3951                 $tpl_t->generateOutputToString($tmp_t);
3952
3953                 return array($tmp, $headlines_count, $affected_ids, $tmp_t);
3954         }
3955
3956         function check_for_update($link) {
3957                 $releases_feed = "http://tt-rss.org/releases.rss";
3958
3959                 if (!CHECK_FOR_NEW_VERSION || $_SESSION["access_level"] < 10) {
3960                         return;
3961                 }
3962
3963                 error_reporting(0);
3964                 if (DEFAULT_UPDATE_INTERVAL == "1") {
3965                         $rss = new SimplePie();
3966                         $rss->set_useragent(SIMPLEPIE_USERAGENT . MAGPIE_USER_AGENT_EXT);
3967 //                      $rss->set_timeout(MAGPIE_FETCH_TIME_OUT);
3968                         $rss->set_feed_url($fetch_url);
3969                         $rss->set_output_encoding('UTF-8');
3970                         $rss->init();
3971                 } else {
3972                         $rss = fetch_rss($releases_feed);
3973                 }
3974                 error_reporting (DEFAULT_ERROR_LEVEL);
3975
3976                 if ($rss) {
3977
3978                         if (DEFAULT_UPDATE_METHOD == "1") {
3979                                 $items = $rss->get_items();
3980                         } else {
3981                                 $items = $rss->items;
3982
3983                                 if (!$items || !is_array($items)) $items = $rss->entries;
3984                                 if (!$items || !is_array($items)) $items = $rss;
3985                         }
3986
3987                         if (!is_array($items) || count($items) == 0) {
3988                                 return;
3989                         }                       
3990
3991                         $latest_item = $items[0];
3992
3993                         if (DEFAULT_UPDATE_METHOD == "1") {
3994                                 $last_title = $latest_item->get_title();
3995                         } else {
3996                                 $last_title = $latest_item["title"];
3997                         }
3998
3999                         $latest_version = trim(preg_replace("/(Milestone)|(completed)/", "", $last_title));
4000
4001                         if (DEFAULT_UPDATE_METHOD == "1") {
4002                                 $release_url = sanitize_rss($link, $latest_item->get_link());
4003                                 $content = sanitize_rss($link, $latest_item->get_description());
4004                         } else {
4005                                 $release_url = sanitize_rss($link, $latest_item["link"]);
4006                                 $content = sanitize_rss($link, $latest_item["description"]);
4007                         }
4008
4009                         if (version_compare(VERSION, $latest_version) == -1) {
4010                                 return sprintf("New version of Tiny-Tiny RSS (%s) is available:", 
4011                                         $latest_version)."<div class='milestoneDetails'>$content</div>";
4012                         } else {
4013                                 return false;
4014                         }       
4015                 }
4016         }
4017
4018         function markArticlesById($link, $ids, $cmode) {
4019
4020                 $tmp_ids = array();
4021
4022                 foreach ($ids as $id) {
4023                         array_push($tmp_ids, "ref_id = '$id'");
4024                 }
4025
4026                 $ids_qpart = join(" OR ", $tmp_ids);
4027
4028                 if ($cmode == 0) {
4029                         db_query($link, "UPDATE ttrss_user_entries SET 
4030                         marked = false,last_read = NOW()
4031                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4032                 } else if ($cmode == 1) {
4033                         db_query($link, "UPDATE ttrss_user_entries SET 
4034                         marked = true
4035                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4036                 } else {
4037                         db_query($link, "UPDATE ttrss_user_entries SET 
4038                         marked = NOT marked,last_read = NOW()
4039                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4040                 }
4041         }
4042
4043         function publishArticlesById($link, $ids, $cmode) {
4044
4045                 $tmp_ids = array();
4046
4047                 foreach ($ids as $id) {
4048                         array_push($tmp_ids, "ref_id = '$id'");
4049                 }
4050
4051                 $ids_qpart = join(" OR ", $tmp_ids);
4052
4053                 if ($cmode == 0) {
4054                         db_query($link, "UPDATE ttrss_user_entries SET 
4055                         published = false,last_read = NOW()
4056                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4057                 } else if ($cmode == 1) {
4058                         db_query($link, "UPDATE ttrss_user_entries SET 
4059                         published = true
4060                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4061                 } else {
4062                         db_query($link, "UPDATE ttrss_user_entries SET 
4063                         published = NOT published,last_read = NOW()
4064                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4065                 }
4066         }
4067
4068         function catchupArticlesById($link, $ids, $cmode, $owner_uid = false) {
4069
4070                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
4071                 if (count($ids) == 0) return;
4072
4073                 $tmp_ids = array();
4074
4075                 foreach ($ids as $id) {
4076                         array_push($tmp_ids, "ref_id = '$id'");
4077                 }
4078
4079                 $ids_qpart = join(" OR ", $tmp_ids);
4080
4081                 if ($cmode == 0) {
4082                         db_query($link, "UPDATE ttrss_user_entries SET 
4083                         unread = false,last_read = NOW()
4084                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4085                 } else if ($cmode == 1) {
4086                         db_query($link, "UPDATE ttrss_user_entries SET 
4087                         unread = true
4088                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4089                 } else {
4090                         db_query($link, "UPDATE ttrss_user_entries SET 
4091                         unread = NOT unread,last_read = NOW()
4092                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4093                 }
4094
4095                 /* update ccache */
4096
4097                 $result = db_query($link, "SELECT DISTINCT feed_id FROM ttrss_user_entries
4098                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4099
4100                 while ($line = db_fetch_assoc($result)) {
4101                         ccache_update($link, $line["feed_id"], $owner_uid);
4102                 }
4103         }
4104
4105         function catchupArticleById($link, $id, $cmode) {
4106
4107                 if ($cmode == 0) {
4108                         db_query($link, "UPDATE ttrss_user_entries SET 
4109                         unread = false,last_read = NOW()
4110                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4111                 } else if ($cmode == 1) {
4112                         db_query($link, "UPDATE ttrss_user_entries SET 
4113                         unread = true
4114                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4115                 } else {
4116                         db_query($link, "UPDATE ttrss_user_entries SET 
4117                         unread = NOT unread,last_read = NOW()
4118                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4119                 }
4120
4121                 $feed_id = getArticleFeed($link, $id);
4122                 ccache_update($link, $feed_id, $_SESSION["uid"]);
4123         }
4124
4125         function make_guid_from_title($title) {
4126                 return preg_replace("/[ \"\',.:;]/", "-", 
4127                         mb_strtolower(strip_tags($title), 'utf-8'));
4128         }
4129
4130         function print_headline_subtoolbar($link, $feed_site_url, $feed_title, 
4131                         $feed_id, $is_cat, $search, $match_on,
4132                         $search_mode) {
4133
4134                         print "<div class=\"headlinesSubToolbar\">";
4135
4136                         $page_prev_link = "javascript:viewFeedGoPage(-1)";
4137                         $page_next_link = "javascript:viewFeedGoPage(1)";
4138                         $page_first_link = "javascript:viewFeedGoPage(0)";
4139
4140                         $catchup_page_link = "javascript:catchupPage()";
4141                         $catchup_feed_link = "javascript:catchupCurrentFeed()";
4142                         $catchup_sel_link = "javascript:catchupSelection()";
4143
4144                         $archive_sel_link = "javascript:archiveSelection()";
4145                         $delete_sel_link = "javascript:deleteSelection()";
4146
4147                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
4148
4149                                 $sel_all_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, '', true)";
4150                                 $sel_unread_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true)";
4151                                 $sel_none_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false)";
4152                                 $sel_inv_link = "javascript:invertHeadlineSelection()";
4153
4154                                 $tog_unread_link = "javascript:selectionToggleUnread()";
4155                                 $tog_marked_link = "javascript:selectionToggleMarked()";
4156                                 $tog_published_link = "javascript:selectionTogglePublished()";
4157
4158                         } else {
4159
4160                                 $sel_all_link = "javascript:cdmSelectArticles('all')";
4161                                 $sel_unread_link = "javascript:cdmSelectArticles('unread')";
4162                                 $sel_none_link = "javascript:cdmSelectArticles('none')";
4163
4164                                 $sel_inv_link = "javascript:invertHeadlineSelection()";
4165
4166                                 $tog_unread_link = "javascript:selectionToggleUnread(true)";
4167                                 $tog_marked_link = "javascript:selectionToggleMarked(true)";
4168                                 $tog_published_link = "javascript:selectionTogglePublished(true)";
4169
4170                         }
4171
4172                         print "<div id=\"subtoolbar_ftitle\">";
4173
4174                         if ($feed_site_url) {
4175                                 if (!$bottom) {
4176                                         $target = "target=\"_blank\"";
4177                                 }
4178                                 print "<a $target href=\"$feed_site_url\">".
4179                                         truncate_string($feed_title,30)."</a>";
4180                         } else {
4181                                 if ($feed_id < -10) {
4182                                         $label_id = -11-$feed_id;
4183
4184                                         $result = db_query($link, "SELECT fg_color, bg_color
4185                                                 FROM ttrss_labels2 WHERE id = '$label_id' AND owner_uid = " .
4186                                                 $_SESSION["uid"]);
4187
4188                                         if (db_num_rows($result) != 0) {
4189                                                 $fg_color = db_fetch_result($result, 0, "fg_color");
4190                                                 $bg_color = db_fetch_result($result, 0, "bg_color");
4191
4192                                                 print "<span style='background : $bg_color; color : $fg_color'>";
4193                                                 print $feed_title;
4194                                                 print "</span>";
4195                                         } else {
4196                                                 print $feed_title;
4197                                         }
4198
4199                                 } else {
4200                                         print $feed_title;
4201                                 }
4202                         }
4203
4204                         if ($search) {
4205                                 $search_q = "&q=$search&m=$match_on&smode=$search_mode";
4206                         }
4207
4208                         print "
4209                                 <a target=\"_blank\" 
4210                                         href=\"backend.php?op=rss&id=$feed_id&is_cat=$is_cat$search_q\">
4211                                         <img class=\"noborder\" 
4212                                                 alt=\"".__('Generated feed')."\" src=\"images/feed-icon-12x12.png\">
4213                                                 </a>";
4214
4215                         print "</div>";
4216
4217                         print __('Select:')."
4218                                 <a href=\"$sel_all_link\">".__('All')."</a>,
4219                                 <a href=\"$sel_unread_link\">".__('Unread')."</a>,
4220                                 <a href=\"$sel_inv_link\">".__('Invert')."</a>,
4221                                 <a href=\"$sel_none_link\">".__('None')."</a></li>";
4222
4223                         print "&nbsp;&nbsp;";
4224
4225                         print "<span 
4226                                 onmouseover=\"enable_selection(false)\" 
4227             onmouseout=\"enable_selection(true)\"
4228                                 onclick=\"toggleHeadlineActions()\" id=\"headlineActionsDrop\">".
4229                                 __("Actions...") . "&nbsp;&nbsp;<img width='11' height'7' 
4230                                 src=\"images/down_arrow.png\">
4231                                 </span>";
4232
4233                         print "<ul id=\"headlineActionsBody\" style=\"display : none\">";
4234
4235                         print "<li class=\"insensitive\">".__('Selection toggle:')."</li>
4236                                 <li onclick=\"$tog_unread_link\">&nbsp;&nbsp;".__('Unread')."</li>
4237                                 <li onclick=\"$tog_marked_link\">&nbsp;&nbsp;".__('Starred')."</li>
4238                                 <li onclick=\"$tog_published_link\">&nbsp;&nbsp;".__('Published')."</li>
4239                                 <li class=\"insensitive\">".__('Selection:')."</li>
4240                                 <li onclick=\"$catchup_sel_link\">&nbsp;&nbsp;".__('Mark as read')."</li>";
4241
4242 //                      print "<li onclick=\"$catchup_feed_link\">&nbsp;&nbsp;".__('Entire feed').
4243 //                              "</li>";
4244
4245                         if ($feed_id != "0") {
4246                                 print "<li onclick=\"$archive_sel_link\">&nbsp;&nbsp;".__('Archive')."</li>";
4247                         } else {
4248                                 print "<li onclick=\"$archive_sel_link\">&nbsp;&nbsp;".__('Move back')."</li>";
4249                                 print "<li onclick=\"$delete_sel_link\">&nbsp;&nbsp;".__('Delete')."</li>";
4250
4251                         } 
4252
4253                         //print "<li><span class=\"insensitive\">--------</span></li>";
4254                         print "<li class=\"insensitive\">".__('Assign label:')."</li>";
4255
4256                         print_labels_headlines_dropdown($link, $feed_id);
4257
4258                         print "</ul>";
4259
4260                         print "</div>";
4261                 }
4262
4263         function printCategoryHeader($link, $cat_id, $hidden = false, $can_browse = true) {
4264
4265                         $tmp_category = getCategoryTitle($link, $cat_id);
4266
4267                         if ($cat_id > 0) {
4268                                 $cat_unread = ccache_find($link, $cat_id, $_SESSION["uid"], true);
4269                         } else if ($cat_id == 0 || $cat_id == -2) {
4270                                 $cat_unread = getCategoryUnread($link, $cat_id);
4271                         }
4272
4273                         if ($hidden) {
4274                                 $holder_style = "display:none;";
4275                                 $ellipsis = "…";
4276                         } else {
4277                                 $holder_style = "";
4278                                 $ellipsis = "";
4279                         }
4280
4281                         $catctr_class = ($cat_unread > 0) ? "catCtrHasUnread" : "catCtrNoUnread";
4282
4283                         if ($can_browse) {
4284                                 $browse_cat_link = "onclick=\"javascript:viewCategory($cat_id)\"";
4285                                 $inner_title_class = "catTitle";
4286                         } else {
4287                                 $browse_cat_link = "";
4288                                 $inner_title_class = "catTitleNL";
4289                         }
4290
4291                         $cat_class = "feedCat";
4292
4293                         print "<li class=\"$cat_class\" id=\"FCAT-$cat_id\">
4294                                 <img onclick=\"toggleCollapseCat($cat_id)\" class=\"catCollapse\"
4295                                         title=\"".__('Click to collapse category')."\"
4296                                         src=\"images/cat-collapse.png\"><span class=\"$inner_title_class\" 
4297                                         id=\"FCATN-$cat_id\" $browse_cat_link/>$tmp_category</span>";
4298
4299                         print "<span id=\"FCAP-$cat_id\">";
4300
4301                         print " <span id=\"FCATCTR-$cat_id\" 
4302                                 class=\"$catctr_class\">($cat_unread)</span> $ellipsis";
4303
4304                         print "</span>";
4305
4306                         //print "</li>";
4307
4308                         print "<ul class=\"feedCatList\" id=\"FCATLIST-$cat_id\" style='$holder_style'>";
4309
4310         }
4311         
4312         function outputFeedList($link, $tags = false) {
4313
4314                 print "<ul class=\"feedList\" id=\"feedList\">";
4315
4316                 $owner_uid = $_SESSION["uid"];
4317
4318                 /* virtual feeds */
4319
4320                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
4321
4322                         $cat_hidden = get_pref($link, "_COLLAPSED_SPECIAL");
4323
4324                         printCategoryHeader($link, -1, $cat_hidden, false);
4325                 }
4326
4327                 foreach (array(-4, -3, -1, -2, 0) as $i) {
4328                         printFeedEntry($i, "virt", false, false, 
4329                                 false, $link);
4330                 }
4331
4332                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
4333                         print "</ul></li>";
4334                 }
4335
4336                 if (!$tags) {
4337
4338
4339                                 $result = db_query($link, "SELECT * FROM
4340                                         ttrss_labels2 WHERE owner_uid = '$owner_uid' ORDER by caption");
4341                 
4342                                 if (db_num_rows($result) > 0) {
4343                                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4344
4345                                                 $cat_hidden = get_pref($link, "_COLLAPSED_LABELS");
4346
4347                                                 printCategoryHeader($link, -2, $cat_hidden, true);
4348
4349                                         } else {
4350                                                 print "<li><hr></li>";
4351                                         }
4352                                 }
4353                 
4354                                 while ($line = db_fetch_assoc($result)) {
4355         
4356                                         $label_id = -$line['id'] - 11;
4357                                         $count = getFeedUnread($link, $label_id);
4358         
4359                                         printFeedEntry($label_id, 
4360                                                 "label", $line["caption"], 
4361                                                 $count, false, $link, 
4362                                                 false, false, false,
4363                                                 $line['fg_color'], $line['bg_color']);
4364                 
4365                                 }
4366
4367                                 if (db_num_rows($result) > 0) {
4368                                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4369                                                 print "</ul>";
4370                                         }
4371                                 } 
4372
4373
4374                         if (!get_pref($link, 'ENABLE_FEED_CATS')) {
4375                                 print "<li><hr></li>";
4376                         }
4377
4378                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4379                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4380                                         $order_by_qpart = "order_id,category,unread DESC,title";
4381                                 } else {
4382                                         $order_by_qpart = "order_id,category,title";
4383                                 }
4384                         } else {
4385                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4386                                         $order_by_qpart = "unread DESC,title";
4387                                 } else {                
4388                                         $order_by_qpart = "title";
4389                                 }
4390                         }
4391
4392                         $age_qpart = getMaxAgeSubquery();
4393
4394                         $query = "SELECT ttrss_feeds.*,
4395                                 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated_noms,
4396                                 cat_id,last_error,
4397                                 ttrss_feed_categories.title AS category,
4398                                 ttrss_feed_categories.collapsed,
4399                                 value AS unread 
4400                                 FROM ttrss_feeds LEFT JOIN ttrss_feed_categories
4401                                         ON (ttrss_feed_categories.id = cat_id)                  
4402                                 LEFT JOIN ttrss_counters_cache 
4403                                         ON
4404                                                 (ttrss_feeds.id = feed_id)
4405                                 WHERE 
4406                                         ttrss_feeds.owner_uid = '$owner_uid' AND parent_feed IS NULL
4407                                 ORDER BY $order_by_qpart"; 
4408
4409                         $result = db_query($link, $query);
4410
4411                         $actid = $_REQUEST["actid"];
4412         
4413                         /* real feeds */
4414         
4415                         $lnum = 0;
4416         
4417                         $total_unread = 0;
4418
4419                         $category = "";
4420
4421                         $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
4422         
4423                         while ($line = db_fetch_assoc($result)) {
4424                         
4425                                 $feed = htmlspecialchars(trim($line["title"]));
4426
4427                                 if (!$feed) $feed = "[Untitled]";
4428
4429                                 $feed_id = $line["id"];   
4430                                 $unread = $line["unread"];
4431         
4432                                 $subop = $_REQUEST["subop"];
4433
4434                                 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
4435                                         $last_updated = smart_date_time(strtotime($line["last_updated_noms"]));
4436                                 } else {
4437                                         $last_updated = date($short_date, strtotime($line["last_updated_noms"]));
4438                                 }
4439
4440                                 $rtl_content = sql_bool_to_bool($line["rtl_content"]);
4441
4442                                 if ($rtl_content) {
4443                                         $rtl_tag = "dir=\"RTL\"";
4444                                 } else {
4445                                         $rtl_tag = "";
4446                                 }
4447
4448                                 $tmp_result = db_query($link,
4449                                         "SELECT SUM(value) AS unread FROM ttrss_feeds, ttrss_counters_cache 
4450                                                 WHERE parent_feed = '$feed_id' AND feed_id = id");
4451
4452                                 $unread += db_fetch_result($tmp_result, 0, "unread");
4453         
4454                                 $cat_id = $line["cat_id"];
4455
4456                                 $tmp_category = $line["category"];
4457
4458                                 if (!$tmp_category) {
4459                                         $tmp_category = __("Uncategorized");
4460                                 }
4461                                 
4462         //                      $class = ($lnum % 2) ? "even" : "odd";
4463
4464                                 if ($line["last_error"]) {
4465                                         $class = "error";
4466                                 } else {
4467                                         $class = "feed";
4468                                 }
4469         
4470                                 if ($actid == $feed_id) {
4471                                         $class .= "Selected";
4472                                 }
4473         
4474                                 $total_unread += $unread;
4475
4476                                 if ($category != $tmp_category && get_pref($link, 'ENABLE_FEED_CATS')) {
4477                                 
4478                                         if ($category) {
4479                                                 print "</ul></li>";
4480                                         }
4481                                 
4482                                         $category = $tmp_category;
4483
4484                                         $collapsed = sql_bool_to_bool($line["collapsed"]);
4485
4486                                         // workaround for NULL category
4487                                         if ($category == __("Uncategorized")) {
4488                                                 $collapsed = get_pref($link, "_COLLAPSED_UNCAT");
4489                                         }
4490
4491                                         $cat_id = (int) $cat_id;
4492
4493                                         printCategoryHeader($link, $cat_id, $collapsed, true);
4494
4495                                 }
4496         
4497                                 printFeedEntry($feed_id, $class, $feed, $unread, 
4498                                         false, $link, $rtl_content, 
4499                                         $last_updated, $line["last_error"]);
4500         
4501                                 ++$lnum;
4502                         }
4503
4504                         if (db_num_rows($result) == 0) {
4505                                 print "<li>".__('No feeds to display.')."</li>";
4506                         }
4507
4508                 } else {
4509
4510                         // tags
4511
4512 /*                      $result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count
4513                                 FROM ttrss_tags,ttrss_entries,ttrss_user_entries WHERE
4514                                 post_int_id = ttrss_user_entries.int_id AND 
4515                                 unread = true AND ref_id = ttrss_entries.id
4516                                 AND ttrss_tags.owner_uid = '$owner_uid' GROUP BY tag_name       
4517                         UNION
4518                                 select tag_name,0 as count FROM ttrss_tags WHERE owner_uid = '$owner_uid'
4519                         ORDER BY tag_name"); */
4520
4521                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4522                                 print "<li class=\"feedCat\">".__('Tags')."</li>";
4523                                 print "<ul class=\"feedCatList\">";
4524                         }
4525
4526                         $age_qpart = getMaxAgeSubquery();
4527
4528                         $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id) 
4529                                 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id 
4530                                         AND ref_id = id AND $age_qpart
4531                                         AND unread = true)) AS count FROM ttrss_tags 
4532                                         WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name 
4533                                         ORDER BY count DESC LIMIT 50");
4534
4535                         $tags = array();
4536         
4537                         while ($line = db_fetch_assoc($result)) {
4538                                 $tags[$line["tag_name"]] += $line["count"];
4539                         }
4540         
4541                         foreach (array_keys($tags) as $tag) {
4542         
4543                                 $unread = $tags[$tag];
4544                                 $class = "tag";
4545
4546                                 printFeedEntry($tag, $class, $tag, $unread, "images/tag.png", $link);
4547         
4548                         } 
4549
4550                         if (db_num_rows($result) == 0) {
4551                                 print "<li>No tags to display.</li>";
4552                         }
4553
4554                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4555                                 print "</ul>";
4556                         }
4557
4558                 }
4559
4560                 print "</ul>";
4561
4562         }
4563
4564         function get_article_tags($link, $id, $owner_uid = 0) {
4565
4566                 global $memcache;
4567
4568                 $a_id = db_escape_string($id);
4569
4570                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
4571
4572                 $query = "SELECT DISTINCT tag_name, 
4573                         owner_uid as owner FROM
4574                         ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
4575                         ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name";
4576
4577                 $obj_id = md5("TAGS:$owner_uid:$id");
4578                 $tags = array();        
4579
4580                 if ($memcache && $obj = $memcache->get($obj_id)) {
4581                         $tags = $obj;
4582                 } else {
4583                         $tmp_result = db_query($link, $query);
4584
4585                         while ($tmp_line = db_fetch_assoc($tmp_result)) {
4586                                 array_push($tags, $tmp_line["tag_name"]);                               
4587                         }
4588
4589                         if ($memcache) $memcache->add($obj_id, $tags, 0, 3600);
4590                 }
4591
4592                 return $tags;
4593         }
4594
4595         function trim_value(&$value) {
4596                 $value = trim($value);
4597         }       
4598
4599         function trim_array($array) {
4600                 $tmp = $array;
4601                 array_walk($tmp, 'trim_value');
4602                 return $tmp;
4603         }
4604
4605         function tag_is_valid($tag) {
4606                 if ($tag == '') return false;
4607                 if (preg_match("/^[0-9]*$/", $tag)) return false;
4608                 if (mb_strlen($tag) > 250) return false;
4609
4610                 if (function_exists('iconv')) {
4611                         $tag = iconv("utf-8", "utf-8", $tag);
4612                 }
4613
4614                 if (!$tag) return false;
4615
4616                 return true;
4617         }
4618
4619         function render_login_form($link, $mobile = 0) {
4620                 switch ($mobile) {
4621                 case 0:
4622                         require_once "login_form.php";
4623                         break;
4624                 case 1:
4625                         require_once "mobile/login_form.php";
4626                         break;
4627                 case 2:
4628                         require_once "mobile/classic/login_form.php";
4629                 }
4630         }
4631
4632         // from http://developer.apple.com/internet/safari/faq.html
4633         function no_cache_incantation() {
4634                 header("Expires: Mon, 22 Dec 1980 00:00:00 GMT"); // Happy birthday to me :)
4635                 header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // always modified
4636                 header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0"); // HTTP/1.1
4637                 header("Cache-Control: post-check=0, pre-check=0", false);
4638                 header("Pragma: no-cache"); // HTTP/1.0
4639         }
4640
4641         function format_warning($msg, $id = "") {
4642                 global $link;
4643                 return "<div class=\"warning\" id=\"$id\"> 
4644                         <img src=\"".theme_image($link, "images/sign_excl.png")."\">$msg</div>";
4645         }
4646
4647         function format_notice($msg) {
4648                 global $link;
4649                 return "<div class=\"notice\" id=\"$id\"> 
4650                         <img src=\"".theme_image($link, "images/sign_info.png")."\">$msg</div>";
4651         }
4652
4653         function format_error($msg) {
4654                 global $link;
4655                 return "<div class=\"error\" id=\"$id\"> 
4656                         <img src=\"".theme_image($link, "images/sign_excl.png")."\">$msg</div>";
4657         }
4658
4659         function print_notice($msg) {
4660                 return print format_notice($msg);
4661         }
4662
4663         function print_warning($msg) {
4664                 return print format_warning($msg);
4665         }
4666
4667         function print_error($msg) {
4668                 return print format_error($msg);
4669         }
4670
4671
4672         function T_sprintf() {
4673                 $args = func_get_args();
4674                 return vsprintf(__(array_shift($args)), $args);
4675         }
4676
4677         function format_inline_player($link, $url, $ctype) {
4678
4679                 $entry = "";
4680
4681                 if (($ctype == __("audio/mpeg")) &&  (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {  
4682                      
4683                         $entry .= "<object type=\"application/x-shockwave-flash\" 
4684                                 data=\"extras/button/musicplayer.swf?song_url=$url\" 
4685                                 width=\"17\" height=\"17\"> 
4686                                         <param name=\"movie\" value=\"extras/button/musicplayer.swf?song_url=$url\" /> </object>";  
4687                 }
4688
4689                 /*
4690
4691                 if (substr($ctype,0,6)=="audio/" || $ctype=="application/ogg" || $ctype=="application/x-ogg") {
4692                         $entry .= "<audio controls=\"controls\"><source src=\"$url\" type=\"$ctype\" />";
4693                         if (($ctype == __("audio/mpeg")) && 
4694                                 (get_pref($link, "ENABLE_FLASH_PLAYER")) ) { 
4695                                 $entry .= "<span><object type=\"application/x-shockwave-flash\" data=\"extras/button/musicplayer.swf?song_url=$url\" width=\"17\" height=\"17\"> <param name=\"movie\" value=\"extras/button/musicplayer.swf?song_url=$url\" /> </object></span>";
4696                         }
4697                         $entry .= "</audio> ";
4698                         if (($ctype == __("audio/mpeg")) && 
4699                                 (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
4700                                 $entry .= "<a id='switchToFlashLink' href='#' onclick='return switchToFlash(this)'>".__('Switch to Flash Player')."</a>";       
4701                                 $entry .= "<script type='text/javascript'>html5AudioOrFlash('$ctype');</script>"; 
4702                         }
4703                 } elseif (substr($ctype,0,6)=="video/") {
4704                         $entry .= "<video controls=\"controls\"><source src=\"$url\" type=\"$ctype\" />";
4705                         $entry .= "</video>";
4706                 } */
4707
4708
4709
4710                 return $entry;
4711         }
4712
4713         function outputArticleXML($link, $id, $feed_id, $mark_as_read = true,
4714                 $zoom_mode = false) {
4715
4716                 /* we can figure out feed_id from article id anyway, why do we
4717                  * pass feed_id here? let's ignore the argument :( */
4718
4719                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
4720                         WHERE ref_id = '$id'");
4721
4722                 $feed_id = (int) db_fetch_result($result, 0, "feed_id");
4723
4724                 if (!$zoom_mode) { print "<article id='$id'><![CDATA["; };
4725
4726                 $result = db_query($link, "SELECT rtl_content, always_display_enclosures FROM ttrss_feeds
4727                         WHERE id = '$feed_id' AND owner_uid = " . $_SESSION["uid"]);
4728
4729                 if (db_num_rows($result) == 1) {
4730                         $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4731                         $always_display_enclosures = sql_bool_to_bool(db_fetch_result($result, 0, "always_display_enclosures"));
4732                 } else {
4733                         $rtl_content = false;
4734                         $always_display_enclosures = false;
4735                 }
4736
4737                 if ($rtl_content) {
4738                         $rtl_tag = "dir=\"RTL\"";
4739                         $rtl_class = "RTL";
4740                 } else {
4741                         $rtl_tag = "";
4742                         $rtl_class = "";
4743                 }
4744
4745                 if ($mark_as_read) {
4746                         $result = db_query($link, "UPDATE ttrss_user_entries 
4747                                 SET unread = false,last_read = NOW() 
4748                                 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4749
4750                         ccache_update($link, $feed_id, $_SESSION["uid"]);
4751                 }
4752
4753                 $result = db_query($link, "SELECT title,link,content,feed_id,comments,int_id,
4754                         ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
4755                         (SELECT icon_url FROM ttrss_feeds WHERE id = feed_id) as icon_url,
4756                         num_comments,
4757                         author,
4758                         orig_feed_id,
4759                         note
4760                         FROM ttrss_entries,ttrss_user_entries
4761                         WHERE   id = '$id' AND ref_id = id AND owner_uid = " . $_SESSION["uid"]);
4762
4763                 if ($result) {
4764
4765                         $line = db_fetch_assoc($result);
4766
4767                         if ($line["icon_url"]) {
4768                                 $feed_icon = "<img class=\"feedIcon\" src=\"" . $line["icon_url"] . "\">";
4769                         } else {
4770                                 $feed_icon = "&nbsp;";
4771                         }
4772
4773                         $num_comments = $line["num_comments"];
4774                         $entry_comments = "";
4775
4776                         if ($num_comments > 0) {
4777                                 if ($line["comments"]) {
4778                                         $comments_url = $line["comments"];
4779                                 } else {
4780                                         $comments_url = $line["link"];
4781                                 }
4782                                 $entry_comments = "<a target='_blank' href=\"$comments_url\">$num_comments comments</a>";
4783                         } else {
4784                                 if ($line["comments"] && $line["link"] != $line["comments"]) {
4785                                         $entry_comments = "<a target='_blank' href=\"".$line["comments"]."\">comments</a>";
4786                                 }                               
4787                         }
4788
4789                         if ($zoom_mode) {
4790                                 header("Content-Type: text/html");
4791                                 print "<html><head>
4792                                                 <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
4793                                                 <title>Tiny Tiny RSS - ".$line["title"]."</title>
4794                                                 <link rel=\"stylesheet\" type=\"text/css\" href=\"tt-rss.css\">
4795                                         </head><body>";
4796                         }
4797
4798
4799                         print "<div class=\"postReply\">";
4800
4801                         print "<div class=\"postHeader\" onmouseover=\"enable_resize(true)\" 
4802                                 onmouseout=\"enable_resize(false)\">";
4803
4804                         $entry_author = $line["author"];
4805
4806                         if ($entry_author) {
4807                                 $entry_author = __(" - ") . $entry_author;
4808                         }
4809
4810                         $parsed_updated = date(get_pref($link, 'LONG_DATE_FORMAT'), 
4811                                 strtotime($line["updated"]));
4812                 
4813                         print "<div class=\"postDate$rtl_class\">$parsed_updated</div>";
4814
4815                         if ($line["link"]) {
4816                                 print "<div clear='both'><a target='_blank' href=\"" . $line["link"] . "\">" . 
4817                                         $line["title"] . "</a><span class='author'>$entry_author</span></div>";
4818                         } else {
4819                                 print "<div clear='both'>" . $line["title"] . "$entry_author</div>";
4820                         }
4821
4822                         $tags_str = format_tags_string(get_article_tags($link, $id), $id);
4823
4824                         if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
4825
4826                         print "<div style='float : right'>
4827                                 <img src='".theme_image($link, 'images/tag.png')."' 
4828                                 class='tagsPic' alt='Tags' title='Tags'>&nbsp;";
4829
4830                         if (!$zoom_mode) {
4831                                 print "<span id=\"ATSTR-$id\">$tags_str</span>
4832                                         <a title=\"".__('Edit tags for this article')."\" 
4833                                         href=\"javascript:editArticleTags($id, $feed_id)\">(+)</a>";
4834
4835                                 print "<img src=\"".theme_image($link, 'images/art-zoom.png')."\" 
4836                                                 class='tagsPic' style=\"cursor : pointer\" style=\"cursor : pointer\"
4837                                                 onclick=\"zoomToArticle($id)\"
4838                                                 alt='Zoom' title='".__('Show article summary in new window')."'>";
4839
4840                                 $note_escaped = htmlspecialchars($line['note'], ENT_QUOTES);
4841
4842                                 print "<img src=\"".theme_image($link, 'images/art-pub-note.png')."\" 
4843                                                 class='tagsPic' style=\"cursor : pointer\" style=\"cursor : pointer\"
4844                                                 onclick=\"publishWithNote($id, '$note_escaped')\"
4845                                                 alt='PubNote' title='".__('Publish article with a note')."'>";
4846
4847                         } else {
4848                                 $tags_str = strip_tags($tags_str);
4849                                 print "<span id=\"ATSTR-$id\">$tags_str</span>";
4850                         }
4851                         print "</div>";
4852                         print "<div clear='both'>$entry_comments</div>";
4853
4854                         if ($line["orig_feed_id"]) {
4855
4856                                 $tmp_result = db_query($link, "SELECT * FROM ttrss_archived_feeds
4857                                         WHERE id = ".$line["orig_feed_id"]);
4858
4859                                 if (db_num_rows($tmp_result) != 0) {
4860
4861                                         print "<div clear='both'>";
4862                                         print __("Originally from:");
4863
4864                                         print "&nbsp;";
4865
4866                                         $tmp_line = db_fetch_assoc($tmp_result);
4867
4868                                         print "<a target='_blank' 
4869                                                 href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
4870                                                 $tmp_line['title'] . "</a>";
4871
4872                                         print "&nbsp;";
4873
4874                                         print "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
4875                                         print "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.gif'></a>";
4876
4877                                         print "</div>";
4878                                 }
4879                         }
4880
4881                         print "</div>";
4882
4883                         print "<div class=\"postIcon\">" . $feed_icon . "</div>";
4884
4885                         print "<div class=\"postContent\">";
4886
4887                         $article_content = sanitize_rss($link, $line["content"]);
4888
4889                         print "<div id=\"POSTNOTE-$id\">";
4890                                 if ($line['note']) {
4891                                         print format_article_note($id, $line['note']);
4892                                 }
4893                         print "</div>";
4894
4895                         print $article_content;
4896
4897 //                      $result = db_query($link, "SELECT * FROM ttrss_enclosures WHERE
4898 //                              post_id = '$id' AND content_url != ''");
4899
4900                         $result = get_article_enclosures($link, $id);
4901
4902 //                      if (db_num_rows($result) > 0) {
4903
4904                         if (count($result) > 0) {
4905
4906                                 $entries_html = array();
4907                                 $entries = array();
4908
4909                                 //while ($line = db_fetch_assoc($result)) {
4910                                 foreach ($result as $line) {
4911
4912                                         $url = $line["content_url"];
4913                                         $ctype = $line["content_type"];
4914
4915                                         if (!$ctype) $ctype = __("unknown type");
4916
4917                                         $filename = substr($url, strrpos($url, "/")+1);
4918
4919                                         $entry = format_inline_player($link, $url, $ctype);
4920
4921                                         $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
4922                                                 $filename . " (" . $ctype . ")" . "</a>";
4923
4924                                         array_push($entries_html, $entry);
4925
4926                                         $entry = array();
4927
4928                                         $entry["type"] = $ctype;
4929                                         $entry["filename"] = $filename;
4930                                         $entry["url"] = $url;
4931
4932                                         array_push($entries, $entry);
4933                                 }
4934
4935                                 print "<div class=\"postEnclosures\">";
4936
4937                                 if (!get_pref($link, "STRIP_IMAGES")) {
4938                                         if ($always_display_enclosures ||
4939                                                                 !preg_match("/<img/i", $article_content)) {
4940                                                                         
4941                                                 foreach ($entries as $entry) {
4942
4943                                                         if (preg_match("/image/", $entry["type"]) ||
4944                                                                         preg_match("/\.(jpg|png|gif|bmp)/i", $entry["filename"])) {
4945
4946                                                                         print "<p><img
4947                                                                         alt=\"".htmlspecialchars($entry["filename"])."\"
4948                                                                         src=\"" .htmlspecialchars($entry["url"]) . "\"/></p>";
4949                                                         }
4950                                                 }
4951                                         }
4952                                 }
4953
4954                                 if (db_num_rows($result) == 1) {
4955                                         print __("Attachment:") . " ";
4956                                 } else {
4957                                         print __("Attachments:") . " ";
4958                                 }
4959
4960                                 print join(", ", $entries_html);
4961
4962                                 print "</div>";
4963                         }
4964                 
4965                         print "</div>";
4966                         
4967                         print "</div>";
4968
4969                 }
4970
4971                 if (!$zoom_mode) { 
4972                         print "]]></article>"; 
4973                 } else {
4974                         print "
4975                                 <div style=\"text-align : center\">
4976                                 <button onclick=\"return window.close()\">".
4977                                         __("Close this window")."</button></div>";
4978                         print "</body></html>";
4979
4980                 }
4981
4982         }
4983
4984         function outputHeadlinesList($link, $feed, $subop, $view_mode, $limit, $cat_view,
4985                                         $next_unread_feed, $offset, $vgr_last_feed = false, 
4986                                         $override_order = false) {
4987
4988                 $disable_cache = false;
4989
4990                 $timing_info = getmicrotime();
4991
4992                 $topmost_article_ids = array();
4993
4994                 if (!$offset) {
4995                         $offset = 0;
4996                 }
4997
4998                 if ($subop == "undefined") $subop = "";
4999
5000                 $subop_split = split(":", $subop);
5001
5002                 if ($subop == "CatchupSelected") {
5003                         $ids = split(",", db_escape_string($_REQUEST["ids"]));
5004                         $cmode = sprintf("%d", $_REQUEST["cmode"]);
5005
5006                         catchupArticlesById($link, $ids, $cmode);
5007                 }
5008
5009                 if ($subop == "ForceUpdate" && sprintf("%d", $feed) > 0) {
5010                         update_generic_feed($link, $feed, $cat_view, true);
5011                 }
5012
5013                 if ($subop == "MarkAllRead")  {
5014                         catchup_feed($link, $feed, $cat_view);
5015
5016                         if (get_pref($link, 'ON_CATCHUP_SHOW_NEXT_FEED')) {
5017                                 if ($next_unread_feed) {
5018                                         $feed = $next_unread_feed;
5019                                 }
5020                         }
5021                 }
5022
5023                 if ($subop_split[0] == "MarkAllReadGR")  {
5024                         catchup_feed($link, $subop_split[1], false);
5025                 }
5026
5027
5028                 if ($feed_id > 0) {             
5029                         $result = db_query($link,
5030                                 "SELECT id FROM ttrss_feeds WHERE id = '$feed' LIMIT 1");
5031                 
5032                         if (db_num_rows($result) == 0) {
5033                                 print "<div align='center'>".__('Feed not found.')."</div>";                            
5034                                 return;
5035                         }
5036                 }
5037
5038                 if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
5039
5040                         $result = db_query($link, "SELECT rtl_content FROM ttrss_feeds
5041                                 WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
5042
5043                         if (db_num_rows($result) == 1) {
5044                                 $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
5045                         } else {
5046                                 $rtl_content = false;
5047                         }
5048         
5049                         if ($rtl_content) {
5050                                 $rtl_tag = "dir=\"RTL\"";
5051                         } else {
5052                                 $rtl_tag = "";
5053                         }
5054                 } else {
5055                         $rtl_tag = "";
5056                         $rtl_content = false;
5057                 }
5058
5059                 $script_dt_add = get_script_dt_add();
5060
5061                 /// START /////////////////////////////////////////////////////////////////////////////////
5062
5063                 $search = db_escape_string($_REQUEST["query"]);
5064
5065                 if ($search) { 
5066                         $disable_cache = true;
5067                 }
5068
5069                 $search_mode = db_escape_string($_REQUEST["search_mode"]);
5070                 $match_on = db_escape_string($_REQUEST["match_on"]);
5071
5072                 if (!$match_on) {
5073                         $match_on = "both";
5074                 }
5075
5076                 $real_offset = $offset * $limit;
5077
5078                 if ($_REQUEST["debug"]) $timing_info = print_checkpoint("H0", $timing_info);
5079
5080                 $qfh_ret = queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view, 
5081                         $search, $search_mode, $match_on, $override_order, $real_offset);
5082
5083                 if ($_REQUEST["debug"]) $timing_info = print_checkpoint("H1", $timing_info);
5084
5085                 $result = $qfh_ret[0];
5086                 $feed_title = $qfh_ret[1];
5087                 $feed_site_url = $qfh_ret[2];
5088                 $last_error = $qfh_ret[3];
5089
5090                 $vgroup_last_feed = $vgr_last_feed;
5091
5092                 if ($feed == -2) {
5093                         $feed_site_url = article_publish_url($link);
5094                 }
5095
5096                 /// STOP //////////////////////////////////////////////////////////////////////////////////
5097
5098                 if (!$offset) {
5099                         print "<div id=\"headlinesContainer\" $rtl_tag>";
5100
5101                         if (!$result) {
5102                                 print "<div align='center'>".__("Could not display feed (query failed). Please check label match syntax or local configuration.")."</div>";
5103                                 return;
5104                         }
5105
5106                         print_headline_subtoolbar($link, $feed_site_url, $feed_title,
5107                                 $feed, $cat_view, $search, $match_on, $search_mode);
5108
5109                         print "<div id=\"headlinesInnerContainer\" onscroll=\"headlines_scroll_handler()\">";
5110                 }
5111
5112                 $headlines_count = db_num_rows($result);
5113
5114                 if (db_num_rows($result) > 0) {
5115
5116 #                       print "\{$offset}";
5117
5118                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE') && !$offset) {
5119                                 print "<table class=\"headlinesList\" id=\"headlinesList\" 
5120                                         cellspacing=\"0\">";
5121                         }
5122
5123                         $lnum = $limit*$offset;
5124
5125                         error_reporting (DEFAULT_ERROR_LEVEL);
5126         
5127                         $num_unread = 0;
5128                         $cur_feed_title = '';
5129
5130                         $fresh_intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE") * 60 * 60;
5131
5132                         while ($line = db_fetch_assoc($result)) {
5133
5134                                 $class = ($lnum % 2) ? "even" : "odd";
5135         
5136                                 $id = $line["id"];
5137                                 $feed_id = $line["feed_id"];
5138
5139                                 $labels = get_article_labels($link, $id);
5140
5141                                 $labels_str = "<span id=\"HLLCTR-$id\">";
5142                                 $labels_str .= format_article_labels($labels, $id);
5143                                 $labels_str .= "</span>";
5144         
5145                                 if (count($topmost_article_ids) < 5) {
5146                                         array_push($topmost_article_ids, $id);
5147                                 }
5148
5149                                 if ($line["last_read"] == "" && !sql_bool_to_bool($line["unread"])) {
5150         
5151                                         $update_pic = "<img id='FUPDPIC-$id' src=\"".
5152                                                 theme_image($link, 'images/updated.png')."\" 
5153                                                 alt=\"Updated\">";
5154                                 } else {
5155                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/blank_icon.gif\" 
5156                                                 alt=\"Updated\">";
5157                                 }
5158
5159                                 if (sql_bool_to_bool($line["unread"]) && 
5160                                         time() - strtotime($line["updated_noms"]) < $fresh_intl) {
5161
5162                                         $update_pic = "<img id='FUPDPIC-$id' src=\"".
5163                                                 theme_image($link, 'images/fresh_sign.png')."\" alt=\"Fresh\">";
5164                                 }
5165         
5166                                 if ($line["unread"] == "t" || $line["unread"] == "1") {
5167                                         $class .= "Unread";
5168                                         ++$num_unread;
5169                                         $is_unread = true;
5170                                 } else {
5171                                         $is_unread = false;
5172                                 }
5173
5174                                 if ($line["marked"] == "t" || $line["marked"] == "1") {
5175                                         $marked_pic = "<img id=\"FMPIC-$id\" 
5176                                                 src=\"".theme_image($link, 'images/mark_set.png')."\" 
5177                                                 class=\"markedPic\" alt=\"Unstar article\" 
5178                                                 onclick='javascript:tMark($id)'>";
5179                                 } else {
5180                                         $marked_pic = "<img id=\"FMPIC-$id\" 
5181                                                 src=\"".theme_image($link, 'images/mark_unset.png')."\" 
5182                                                 class=\"markedPic\" alt=\"Star article\" 
5183                                                 onclick='javascript:tMark($id)'>";
5184                                 }
5185
5186                                 if ($line["published"] == "t" || $line["published"] == "1") {
5187                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"".theme_image($link, 
5188                                                 'images/pub_set.png')."\" 
5189                                                 class=\"markedPic\"
5190                                                 alt=\"Unpublish article\" onclick='javascript:tPub($id)'>";
5191                                 } else {
5192                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"".theme_image($link,
5193                                                 'images/pub_unset.png')."\" 
5194                                                 class=\"markedPic\"
5195                                                 alt=\"Publish article\" onclick='javascript:tPub($id)'>";
5196                                 }
5197
5198 #                               $content_link = "<a target=\"_blank\" href=\"".$line["link"]."\">" .
5199 #                                       $line["title"] . "</a>";
5200
5201 #                               $content_link = "<a 
5202 #                                       href=\"" . htmlspecialchars($line["link"]) . "\"
5203 #                                       onclick=\"view($id,$feed_id);\">" .
5204 #                                       $line["title"] . "</a>";
5205
5206 #                               $content_link = "<a href=\"javascript:viewContentUrl('".$line["link"]."');\">" .
5207 #                                       $line["title"] . "</a>";
5208
5209                                 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
5210                                         $updated_fmt = smart_date_time(strtotime($line["updated_noms"]));
5211                                 } else {
5212                                         $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
5213                                         $updated_fmt = date($short_date, strtotime($line["updated_noms"]));
5214                                 }                               
5215
5216                                 if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
5217                                         $content_preview = truncate_string(strip_tags($line["content_preview"]), 
5218                                                 100);
5219                                 }
5220
5221                                 $score = $line["score"];
5222
5223                                 $score_pic = theme_image($link, 
5224                                         "images/" . get_score_pic($score));
5225
5226 /*                              $score_title = __("(Click to change)");
5227                                 $score_pic = "<img class='hlScorePic' src=\"images/$score_pic\" 
5228                                         onclick=\"adjustArticleScore($id, $score)\" title=\"$score $score_title\">"; */
5229
5230                                 $score_pic = "<img class='hlScorePic' src=\"$score_pic\" 
5231                                         title=\"$score\">";
5232
5233                                 if ($score > 500) {
5234                                         $hlc_suffix = "H";
5235                                 } else if ($score < -100) {
5236                                         $hlc_suffix = "L";
5237                                 } else {
5238                                         $hlc_suffix = "";
5239                                 }
5240
5241                                 $entry_author = $line["author"];
5242
5243                                 if ($entry_author) {
5244                                         $entry_author = " - $entry_author";
5245                                 }
5246
5247                                 $has_feed_icon = feed_has_icon($feed_id);
5248
5249                                 if ($has_feed_icon) {
5250                                         $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
5251                                 } else {
5252                                         //$feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\" alt=\"\">";
5253                                         $feed_icon_img = "";
5254                                 }
5255
5256                                 if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
5257
5258                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5259                                                 if ($feed_id != $vgroup_last_feed && $line["feed_title"]) {
5260
5261                                                         $cur_feed_title = $line["feed_title"];
5262                                                         $vgroup_last_feed = $feed_id;
5263
5264                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
5265
5266                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>".__('mark as read')."</a>)";
5267
5268                                                         print "<tr class='feedTitle'><td colspan='7'>".
5269                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
5270                                                                 "<a href=\"javascript:viewfeed($feed_id, '', false)\">".
5271                                                                 $line["feed_title"]."</a> $vf_catchup_link</td></tr>";
5272                                                 }
5273                                         }
5274
5275                                         $mouseover_attrs = "onmouseover='postMouseIn($id)' 
5276                                                 onmouseout='postMouseOut($id)'";
5277
5278                                         print "<tr class='$class' id='RROW-$id' $mouseover_attrs>";
5279                 
5280                                         print "<td class='hlUpdPic'>$update_pic</td>";
5281                 
5282                                         print "<td class='hlSelectRow'>
5283                                                 <input type=\"checkbox\" onclick=\"tSR(this)\"
5284                                                         id=\"RCHK-$id\">
5285                                                 </td>";
5286                 
5287                                         print "<td class='hlMarkedPic'>$marked_pic</td>";
5288                                         print "<td class='hlMarkedPic'>$published_pic</td>";
5289
5290 #                                       if ($line["feed_title"]) {                      
5291 #                                               print "<td class='hlContent'>$content_link</td>";
5292 #                                               print "<td class='hlFeed'>
5293 #                                                       <a href=\"javascript:viewfeed($feed_id, '', false)\">".
5294 #                                                               truncate_string($line["feed_title"],30)."</a>&nbsp;</td>";
5295 #                                       } else {                        
5296
5297                                         print "<td onclick='view($id)' class='hlContent$hlc_suffix' valign='middle' id='HLC-$id'>";
5298
5299                                         print "<a id=\"RTITLE-$id\" 
5300                                                 href=\"" . htmlspecialchars($line["link"]) . "\"
5301                                                 onclick=\"return false\">" .
5302                                                 $line["title"];
5303
5304                                         if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
5305                                                 if ($content_preview) {
5306                                                         print "<span class=\"contentPreview\"> - $content_preview</span>";
5307                                                 }
5308                                         }
5309
5310                                         print "</a>";
5311
5312                                         print $labels_str;
5313
5314 #                                                       <a href=\"javascript:viewfeed($feed_id, '', false)\">".
5315 #                                                       $line["feed_title"]."</a>       
5316
5317                                         if (!get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5318                                                 if ($line["feed_title"]) {                      
5319                                                         print "<span class=\"hlFeed\">
5320                                                                 (<a href=\"javascript:viewfeed($feed_id, '', false)\">".
5321                                                                 $line["feed_title"]."</a>)
5322                                                         </span>";
5323                                                 }
5324                                         }
5325
5326 //                                      print "<img id='HLL-$id' class='hlLoading' 
5327 //                                              src='images/indicator_tiny.gif' style='display : none'>";
5328
5329                                         print "</td>";
5330
5331 #                                       }
5332                                         
5333                                         print "<td class=\"hlUpdated\" onclick='view($id)'><nobr>$updated_fmt&nbsp;</nobr></td>";
5334
5335                                         print "<td class='hlMarkedPic'>$score_pic</td>";
5336
5337                                         if ($line["feed_title"] && !get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5338                                                 print "<td onclick=\"viewfeed($feed_id)\" class=\"hlFeedIcon\">$feed_icon_img</td>";
5339                                         }
5340
5341                                         print "</tr>";
5342
5343                                 } else {
5344
5345                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED') && $line["feed_title"]) {
5346                                                 if ($feed_id != $vgroup_last_feed) {
5347
5348                                                         $cur_feed_title = $line["feed_title"];
5349                                                         $vgroup_last_feed = $feed_id;
5350
5351                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
5352
5353                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>".__('mark as read')."</a>)";
5354
5355                                                         $has_feed_icon = feed_has_icon($feed_id);
5356
5357                                                         if ($has_feed_icon) {
5358                                                                 $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
5359                                                         } else {
5360                                                                 //$feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\" alt=\"\">";
5361                                                         }
5362
5363                                                         print "<div class='cdmFeedTitle'>".
5364                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
5365                                                                 "<a href=\"javascript:viewfeed($feed_id, '', false)\">".
5366                                                                 $line["feed_title"]."</a> $vf_catchup_link</div>";
5367                                                 }
5368                                         }
5369
5370                                         if ($is_unread) {
5371                                                 $add_class = "Unread";
5372                                         } else {
5373                                                 $add_class = "";
5374                                         }       
5375
5376                                         $expand_cdm = get_pref($link, 'CDM_EXPANDED');
5377                                         $show_excerpt = false;
5378
5379                                         if ($expand_cdm && $score >= -100) {
5380                                                 $cdm_cstyle = "";
5381                                                 $show_excerpt = false;
5382                                         } else {
5383                                                 $cdm_cstyle = "style=\"display : none\"";
5384                                                 $show_excerpt = true;
5385                                         }
5386
5387                                         $mouseover_attrs = "onmouseover='postMouseIn($id)' 
5388                                                 onmouseout='postMouseOut($id)'";
5389
5390                                         print "<div class=\"cdmArticle$add_class\" 
5391                                                 id=\"RROW-$id\"                                         
5392                                                 $mouseover_attrs'>";
5393
5394                                         print "<div class=\"cdmHeader\">";
5395
5396                                         if (!get_pref($link, "VFEED_GROUP_BY_FEED") || !$line["feed_title"]) {
5397                                                 $cdm_feed_icon = "<span style=\"cursor : pointer\" onclick=\"viewfeed($feed_id)\">$feed_icon_img</span>";
5398                                         }
5399
5400                                         print "<div class=\"articleUpdated\">$updated_fmt $score_pic $cdm_feed_icon
5401                                                 </div>";
5402
5403                                         print "<span id=\"RTITLE-$id\" class=\"titleWrap$hlc_suffix\"><a class=\"title\" 
5404                                                 onclick=\"javascript:toggleUnread($id, 0)\"
5405                                                 target=\"_blank\" href=\"".$line["link"]."\">".$line["title"]."</a>
5406                                                 ";
5407
5408                                         print $entry_author;
5409
5410 /*                                      if (!$expand_cdm || $score < -100) {
5411                                                 print "&nbsp;<a id=\"CICH-$id\" 
5412                                                         href=\"javascript:cdmExpandArticle($id)\">
5413                                                         (".__('Show article').")</a>";
5414                                         } */
5415
5416                                         print $labels_str;
5417
5418                                         if (!get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5419                                                 if ($line["feed_title"]) {      
5420                                                         print "&nbsp;(<a href='javascript:viewfeed($feed_id)'>".$line["feed_title"]."</a>)";
5421                                                 }
5422                                         }
5423
5424                                         print "</span></div>";
5425
5426                                         if ($show_excerpt) {
5427                                                 print "<div class=\"cdmExcerpt\" id=\"CEXC-$id\"
5428                                                         onclick=\"cdmExpandArticle($id)\"
5429                                                         title=\"".__('Click to expand article')."\">";
5430
5431                                                 $content_preview = trim(truncate_string(strip_tags($line["content_preview"]), 100));
5432
5433                                                 if (strlen($content_preview) != 0) {
5434                                                         print $content_preview;
5435                                                 } else {
5436                                                         print __('Click to expand article');
5437                                                 }
5438                                                 print "</div>";
5439                                         }
5440         
5441                                         print "<div class=\"cdmContent\" 
5442                                                 onclick=\"cdmClicked($id)\"
5443                                                 id=\"CICD-$id\" $cdm_cstyle>";
5444
5445                                         if ($line["orig_feed_id"]) {
5446
5447                                                 $tmp_result = db_query($link, "SELECT * FROM ttrss_archived_feeds
5448                                                 WHERE id = ".$line["orig_feed_id"]);
5449
5450                                                 if (db_num_rows($tmp_result) != 0) {
5451
5452                                                 print "<div clear='both'>";
5453                                                 print __("Originally from:");
5454
5455                                                 print "&nbsp;";
5456
5457                                                 $tmp_line = db_fetch_assoc($tmp_result);
5458
5459                                                 print "<a target='_blank' 
5460                                                         href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
5461                                                         $tmp_line['title'] . "</a>";
5462
5463                                                 print "&nbsp;";
5464
5465                                                 print "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
5466                                                 print "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.gif'></a>";
5467
5468                                                 print "</div>";
5469                                         }
5470                                 }
5471
5472 //                                      print "<div class=\"cdmInnerContent\" id=\"CICD-$id\" $cdm_cstyle>";
5473
5474                                         print "<div id=\"POSTNOTE-$id\">";
5475                                         if ($line['note']) {
5476                                                 print format_article_note($id, $line['note']);
5477                                         }
5478                                         print "</div>";
5479
5480                                         print sanitize_rss($link, $line["content_preview"]);
5481
5482                                         $article_content = $line["content_preview"];
5483
5484                                         $e_result = db_query($link, "SELECT * FROM ttrss_enclosures WHERE
5485                                                 post_id = '$id' AND content_url != ''");
5486
5487                                         if (db_num_rows($e_result) > 0) {
5488
5489                                 $entries_html = array();
5490                                 $entries = array();
5491
5492                                 while ($e_line = db_fetch_assoc($e_result)) {
5493
5494                                         $url = $e_line["content_url"];
5495                                         $ctype = $e_line["content_type"];
5496                                         if (!$ctype) $ctype = __("unknown type");
5497
5498                                         $filename = substr($url, strrpos($url, "/")+1);
5499
5500                                         $entry = format_inline_player($link, $url, $ctype);
5501
5502                                         $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
5503                                                 $filename . " (" . $ctype . ")" . "</a>";
5504
5505                                         array_push($entries_html, $entry);
5506
5507                                         $entry = array();
5508
5509                                         $entry["type"] = $ctype;
5510                                         $entry["filename"] = $filename;
5511                                         $entry["url"] = $url;
5512
5513                                         array_push($entries, $entry);
5514                                 }
5515
5516                                 $tmp_result = db_query($link, "SELECT always_display_enclosures FROM
5517                                         ttrss_feeds WHERE id = ".$line['feed_id']." AND owner_uid = ".$_SESSION["uid"]);
5518
5519                                 $always_display_enclosures = db_fetch_result($tmp_result, 0, "always_display_enclosures");
5520
5521                                 if (!get_pref($link, "STRIP_IMAGES")) {
5522                                         if ($always_display_enclosures || 
5523                                                                         !preg_match("/img/i", $article_content)) {
5524
5525                                                 foreach ($entries as $entry) {
5526                                                         if (preg_match("/image/", $entry["type"]) || 
5527                                                                 preg_match("/\.(jpg|png|gif|bmp)/i", $entry["filename"])) {
5528                                                                 print "<p><img 
5529                                                                         alt=\"".htmlspecialchars($entry["filename"])."\"
5530                                                                         src=\"" .htmlspecialchars($entry["url"]) . "\"></p>";
5531                                                         }
5532                                                 }
5533                                         }
5534                                 }
5535
5536                                 print "<div class=\"cdmEnclosures\">";
5537
5538                                 if (db_num_rows($e_result) == 1) {
5539                                         print __("Attachment:") . " ";
5540                                 } else {
5541                                         print __("Attachments:") . " ";
5542                                 }
5543
5544                                 print join(", ", $entries_html);
5545
5546                                 print "</div>";
5547                         }
5548
5549
5550                                         print "<br clear='both'>";
5551 //                                      print "</div>";
5552
5553 /*                                      if (!$expand_cdm) {
5554                                                 print "<a id=\"CICH-$id\" 
5555                                                         href=\"javascript:cdmExpandArticle($id)\">
5556                                                         Show article</a>";
5557                                         } */
5558
5559                                         print "</div>";
5560
5561                                         print "<div class=\"cdmFooter\"><span class='s0'>";
5562
5563                                         /* print "<div class=\"markedPic\">Star it: $marked_pic</div>"; */
5564
5565                                         print __("Select:").
5566                                                         " <input type=\"checkbox\" onclick=\"toggleSelectRowById(this, 
5567                                                         'RROW-$id')\" class=\"feedCheckBox\" id=\"RCHK-$id\">";
5568
5569                                         print "</span><span class='s1'>$marked_pic&nbsp;";
5570                                         print "$published_pic&nbsp;";
5571                                         print "<img src=\"images/art-zoom.png\" class='tagsPic' 
5572                                                 onclick=\"zoomToArticle($id)\"
5573                                                 style=\"cursor : pointer\"
5574                                                 alt='Zoom' 
5575                                                 title='".__('Show article summary in new window')."'>&nbsp;";
5576
5577                                         $note_escaped = htmlspecialchars($line['note'], ENT_QUOTES);
5578
5579                                         print "<img src=\"images/art-pub-note.png\" class='tagsPic' 
5580                                                 style=\"cursor : pointer\" style=\"cursor : pointer\"
5581                                                 onclick=\"publishWithNote($id, '$note_escaped')\"
5582                                                 alt='PubNote' title='".__('Publish article with a note')."'>";
5583
5584                                         print "</span>";
5585
5586                                         $tags_str = format_tags_string(get_article_tags($link, $id), $id);
5587
5588                                         print "<span class='s1'>
5589                                                 <img class='tagsPic' src='".theme_image($link,
5590                                                         'images/tag.png')."' alt='Tags' title='Tags'>
5591                                                 <span id=\"ATSTR-$id\">$tags_str</span>
5592                                                 <a title=\"".__('Edit tags for this article')."\" 
5593                                                 href=\"javascript:editArticleTags($id, $feed_id, true)\">(+)</a>";
5594
5595                                         print "</span>";
5596
5597                                         print "<span class='s2'><a class=\"cdmToggleLink\"
5598                                                         href=\"javascript:toggleUnread($id)\">
5599                                                         ".__('toggle unread')."</a></span>";
5600
5601                                         print "</div>";
5602                                         print "</div>"; 
5603
5604                                 }                               
5605         
5606                                 ++$lnum;
5607                         }
5608
5609                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE') && !$offset) {                    
5610                                 print "</table>";
5611                         }
5612
5613                 } else {
5614                         $message = "";
5615
5616                         switch ($view_mode) {
5617                                 case "unread":
5618                                         $message = __("No unread articles found to display.");
5619                                         break;
5620                                 case "updated":
5621                                         $message = __("No updated articles found to display.");
5622                                         break;
5623                                 case "marked":
5624                                         $message = __("No starred articles found to display.");
5625                                         break;
5626                                 default:
5627                                         if ($feed < -10) {
5628                                                 $message = __("No articles found to display. You can assign articles to labels manually (see the Actions menu above) or use a filter.");
5629                                         } else {
5630                                                 $message = __("No articles found to display.");
5631                                         }
5632                         }
5633
5634                         if (!$offset) print "<div class='whiteBox'>$message</div>";
5635                 }
5636
5637                 if (!$offset) {
5638                         print "</div>";
5639                         print "</div>";
5640                 }
5641
5642                 return array($topmost_article_ids, $headlines_count, $feed, $disable_cache, $vgroup_last_feed);
5643         }
5644
5645 // from here: http://www.roscripts.com/Create_tag_cloud-71.html
5646
5647         function printTagCloud($link) {
5648
5649                 $query = "SELECT tag_name, COUNT(post_int_id) AS count 
5650                         FROM ttrss_tags WHERE owner_uid = ".$_SESSION["uid"]." 
5651                         GROUP BY tag_name ORDER BY count DESC LIMIT 50";
5652
5653                 $result = db_query($link, $query);
5654
5655                 $tags = array();
5656
5657                 while ($line = db_fetch_assoc($result)) {
5658                         $tags[$line["tag_name"]] = $line["count"];
5659                 }
5660
5661                 ksort($tags);
5662
5663                 $max_size = 32; // max font size in pixels
5664                 $min_size = 11; // min font size in pixels
5665                    
5666                 // largest and smallest array values
5667                 $max_qty = max(array_values($tags));
5668                 $min_qty = min(array_values($tags));
5669                    
5670                 // find the range of values
5671                 $spread = $max_qty - $min_qty;
5672                 if ($spread == 0) { // we don't want to divide by zero
5673                                 $spread = 1;
5674                 }
5675                    
5676                 // set the font-size increment
5677                 $step = ($max_size - $min_size) / ($spread);
5678                    
5679                 // loop through the tag array
5680                 foreach ($tags as $key => $value) {
5681                         // calculate font-size
5682                         // find the $value in excess of $min_qty
5683                         // multiply by the font-size increment ($size)
5684                         // and add the $min_size set above
5685                         $size = round($min_size + (($value - $min_qty) * $step));
5686
5687                         $key_escaped = str_replace("'", "\\'", $key);
5688
5689                         echo "<a href=\"javascript:viewfeed('$key_escaped') \" style=\"font-size: " . 
5690                                 $size . "px\" title=\"$value articles tagged with " . 
5691                                 $key . '">' . $key . '</a> ';
5692                 }
5693         }
5694
5695         function print_checkpoint($n, $s) {
5696                 $ts = getmicrotime();   
5697                 echo sprintf("<!-- CP[$n] %.4f seconds -->", $ts - $s);
5698                 return $ts;
5699         }
5700
5701         function sanitize_tag($tag) {
5702                 $tag = trim($tag);
5703
5704                 $tag = mb_strtolower($tag, 'utf-8');
5705
5706                 $tag = preg_replace('/[\"\+\>\<]/', "", $tag);  
5707
5708 //              $tag = str_replace('"', "", $tag);      
5709 //              $tag = str_replace("+", " ", $tag);     
5710                 $tag = str_replace("technorati tag: ", "", $tag);
5711
5712                 return $tag;
5713         }
5714
5715         function generate_publish_key() {
5716                 return sha1(uniqid(rand(), true));
5717         }
5718
5719         function article_publish_url($link) {
5720
5721                 $url_path = "";
5722                 
5723
5724                 if ($_SERVER['HTTPS'] != "on") {
5725                         $url_path = "http://";
5726                 } else {
5727                         $url_path = "https://";
5728                 }
5729
5730                 $url_path .= $_SERVER['HTTP_HOST'].dirname($_SERVER['PHP_SELF']);
5731                 $url_path .= "/backend.php?op=publish&key=" . 
5732                         get_pref($link, "_PREFS_PUBLISH_KEY", $_SESSION["uid"]);
5733
5734                 return $url_path;
5735         }
5736         function opml_publish_url($link){
5737                 $url_path = "";
5738                 
5739
5740                 if ($_SERVER['HTTPS'] != "on") {
5741                         $url_path = "http://";
5742                 } else {
5743                         $url_path = "https://";
5744                 }
5745
5746                 $url_path .= $_SERVER['HTTP_HOST'].dirname($_SERVER['PHP_SELF']);
5747                 $url_path .= "/opml.php?op=publish&key=" . 
5748                         get_pref($link, "_PREFS_PUBLISH_KEY", $_SESSION["uid"]);
5749
5750                 return $url_path;
5751         }
5752
5753         /**
5754          * Purge a feed contents, marked articles excepted.
5755          * 
5756          * @param mixed $link The database connection.
5757          * @param integer $id The id of the feed to purge.
5758          * @return void
5759          */
5760         function clear_feed_articles($link, $id) {
5761
5762                 if ($id != 0) {
5763                         $result = db_query($link, "DELETE FROM ttrss_user_entries
5764                         WHERE feed_id = '$id' AND marked = false AND owner_uid = " . $_SESSION["uid"]);
5765                 } else {
5766                         $result = db_query($link, "DELETE FROM ttrss_user_entries
5767                         WHERE feed_id IS NULL AND marked = false AND owner_uid = " . $_SESSION["uid"]);
5768                 }
5769
5770                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE 
5771                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
5772
5773                 ccache_update($link, $id, $_SESSION['uid']);
5774         } // function clear_feed_articles
5775
5776         /**
5777          * Compute the Mozilla Firefox feed adding URL from server HOST and REQUEST_URI.
5778          *
5779          * @return string The Mozilla Firefox feed adding URL.
5780          */
5781         function add_feed_url() {
5782                 $url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' :  'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
5783                 $url_path .= "?op=pref-feeds&quiet=1&subop=add&feed_url=%s";
5784                 return $url_path;
5785         } // function add_feed_url
5786
5787         /**
5788          * Encrypt a password in SHA1.
5789          * 
5790          * @param string $pass The password to encrypt.
5791          * @param string $login A optionnal login.
5792          * @return string The encrypted password.
5793          */
5794         function encrypt_password($pass, $login = '') {
5795                 if ($login) {
5796                         return "SHA1X:" . sha1("$login:$pass");
5797                 } else {
5798                         return "SHA1:" . sha1($pass);
5799                 }
5800         } // function encrypt_password
5801
5802         /**
5803          * Update a feed batch.
5804          * Used by daemons to update n feeds by run.
5805          * Only update feed needing a update, and not being processed
5806          * by another process.
5807          * 
5808          * @param mixed $link Database link
5809          * @param integer $limit Maximum number of feeds in update batch. Default to DAEMON_FEED_LIMIT.
5810          * @param boolean $from_http Set to true if you call this function from http to disable cli specific code.
5811          * @param boolean $debug Set to false to disable debug output. Default to true.
5812          * @return void
5813          */
5814         function update_daemon_common($link, $limit = DAEMON_FEED_LIMIT, $from_http = false, $debug = true) {
5815                 // Process all other feeds using last_updated and interval parameters
5816
5817                 // Test if the user has loggued in recently. If not, it does not update its feeds.
5818                 if (DAEMON_UPDATE_LOGIN_LIMIT > 0) {
5819                         if (DB_TYPE == "pgsql") {
5820                                 $login_thresh_qpart = "AND ttrss_users.last_login >= NOW() - INTERVAL '".DAEMON_UPDATE_LOGIN_LIMIT." days'";
5821                         } else {
5822                                 $login_thresh_qpart = "AND ttrss_users.last_login >= DATE_SUB(NOW(), INTERVAL ".DAEMON_UPDATE_LOGIN_LIMIT." DAY)";
5823                         }                       
5824                 } else {
5825                         $login_thresh_qpart = "";
5826                 }
5827
5828                 // Test if the feed need a update (update interval exceded).
5829                 if (DB_TYPE == "pgsql") {
5830                         $update_limit_qpart = "AND ((
5831                                         ttrss_feeds.update_interval = 0
5832                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_user_prefs.value || ' minutes') AS INTERVAL)
5833                                 ) OR (
5834                                         ttrss_feeds.update_interval > 0
5835                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_feeds.update_interval || ' minutes') AS INTERVAL)
5836                                 ) OR ttrss_feeds.last_updated IS NULL)";
5837                 } else {
5838                         $update_limit_qpart = "AND ((
5839                                         ttrss_feeds.update_interval = 0
5840                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL CONVERT(ttrss_user_prefs.value, SIGNED INTEGER) MINUTE)
5841                                 ) OR (
5842                                         ttrss_feeds.update_interval > 0
5843                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL ttrss_feeds.update_interval MINUTE)
5844                                 ) OR ttrss_feeds.last_updated IS NULL)";
5845                 }
5846
5847                 // Test if feed is currently being updated by another process.
5848                 if (DB_TYPE == "pgsql") {
5849                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
5850                 } else {
5851                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
5852                 }
5853
5854                 // Test if there is a limit to number of updated feeds
5855                 $query_limit = "";
5856                 if($limit) $query_limit = sprintf("LIMIT %d", $limit);
5857
5858                 $random_qpart = sql_random_function();
5859
5860                 // We search for feed needing update.
5861                 $result = db_query($link, "SELECT ttrss_feeds.feed_url,ttrss_feeds.id, ttrss_feeds.owner_uid,
5862                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
5863                                 ttrss_feeds.update_interval 
5864                         FROM 
5865                                 ttrss_feeds, ttrss_users, ttrss_user_prefs
5866                         WHERE
5867                                 ttrss_feeds.owner_uid = ttrss_users.id
5868                                 AND ttrss_users.id = ttrss_user_prefs.owner_uid
5869                                 AND ttrss_user_prefs.pref_name = 'DEFAULT_UPDATE_INTERVAL'
5870                                 $login_thresh_qpart $update_limit_qpart
5871                          $updstart_thresh_qpart
5872                         ORDER BY $random_qpart $query_limit");
5873
5874                 $user_prefs_cache = array();
5875
5876                 if($debug) _debug(sprintf("Scheduled %d feeds to update...\n", db_num_rows($result)));
5877
5878                 // Here is a little cache magic in order to minimize risk of double feed updates.
5879                 $feeds_to_update = array();
5880                 while ($line = db_fetch_assoc($result)) {
5881                         $feeds_to_update[$line['id']] = $line;
5882                 }
5883
5884                 // We update the feed last update started date before anything else.
5885                 // There is no lag due to feed contents downloads
5886                 // It prevent an other process to update the same feed.
5887                 $feed_ids = array_keys($feeds_to_update);
5888                 if($feed_ids) {
5889                         db_query($link, sprintf("UPDATE ttrss_feeds SET last_update_started = NOW()
5890                                 WHERE id IN (%s)", implode(',', $feed_ids)));
5891                 }
5892
5893                 // For each feed, we call the feed update function.
5894                 while ($line = array_pop($feeds_to_update)) {
5895
5896                         if($debug) _debug("Feed: " . $line["feed_url"] . ", " . $line["last_updated"]);
5897
5898                         sleep(1); // prevent flood (FIXME make this an option?)
5899                 }
5900
5901                 // Send feed digests by email if needed.
5902                 if (DAEMON_SENDS_DIGESTS) send_headlines_digests($link);
5903
5904                 purge_orphans($link);
5905
5906         } // function update_daemon_common
5907
5908         function sanitize_article_content($text) {
5909                 # we don't support CDATA sections in articles, they break our own escaping
5910                 $text = preg_replace("/\[\[CDATA/", "", $text);
5911                 $text = preg_replace("/\]\]\>/", "", $text);
5912                 return $text;
5913         }
5914
5915         function load_filters($link, $feed, $owner_uid, $action_id = false) {
5916                 $filters = array();
5917
5918                 global $memcache;
5919
5920                 $obj_id = md5("FILTER:$feed:$owner_uid:$action_id");
5921
5922                 if ($memcache && $obj = $memcache->get($obj_id)) {
5923
5924                         return $obj;
5925
5926                 } else {
5927
5928                         if ($action_id) $ftype_query_part = "action_id = '$action_id' AND";
5929         
5930                         $result = db_query($link, "SELECT reg_exp,
5931                                 ttrss_filter_types.name AS name,
5932                                 ttrss_filter_actions.name AS action,
5933                                 inverse,
5934                                 action_param,
5935                                 filter_param
5936                                 FROM ttrss_filters,ttrss_filter_types,ttrss_filter_actions WHERE                                        
5937                                         enabled = true AND
5938                                         $ftype_query_part
5939                                         owner_uid = $owner_uid AND
5940                                         ttrss_filter_types.id = filter_type AND
5941                                         ttrss_filter_actions.id = action_id AND
5942                                         (feed_id IS NULL OR feed_id = '$feed') ORDER BY reg_exp");
5943         
5944                         while ($line = db_fetch_assoc($result)) {
5945                                 if (!$filters[$line["name"]]) $filters[$line["name"]] = array();
5946                                         $filter["reg_exp"] = $line["reg_exp"];
5947                                         $filter["action"] = $line["action"];
5948                                         $filter["action_param"] = $line["action_param"];
5949                                         $filter["filter_param"] = $line["filter_param"];
5950                                         $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
5951                                 
5952                                         array_push($filters[$line["name"]], $filter);
5953                                 }
5954
5955                         if ($memcache) $memcache->add($obj_id, $filters, 0, 3600*8);
5956
5957                         return $filters;
5958                 }
5959         }
5960
5961         function get_score_pic($score) {
5962                 if ($score > 100) { 
5963                         return "score_high.png"; 
5964                 } else if ($score > 0) { 
5965                         return "score_half_high.png";
5966                 } else if ($score < -100) {
5967                         return "score_low.png";
5968                 } else if ($score < 0) {
5969                         return "score_half_low.png";
5970                 } else { 
5971                         return "score_neutral.png";
5972                 }
5973         }
5974
5975         function rounded_table_start($classname, $header = "&nbsp;") {
5976                 print "<table width='100%' class='$classname' cellspacing='0' cellpadding='0'>";
5977                 print "<tr><td class='c1'>&nbsp;</td><td class='top'>$header</td><td class='c2'>&nbsp;</td></tr>";
5978                 print "<tr><td class='left'>&nbsp;</td><td class='content'>";
5979         }
5980
5981         function rounded_table_end($footer = "&nbsp;") {
5982                 print "</td><td class='right'>&nbsp;</td></tr>";
5983                 print "<tr><td class='c4'>&nbsp;</td><td class='bottom'>$footer</td><td class='c3'>&nbsp;</td></tr>";
5984                 print "</table>";
5985         }
5986
5987         function feed_has_icon($id) {
5988                 return is_file(ICONS_DIR . "/$id.ico") && filesize(ICONS_DIR . "/$id.ico") > 0;
5989         }
5990
5991         function init_connection($link) {
5992                 if (DB_TYPE == "pgsql") {
5993                         pg_query($link, "set client_encoding = 'UTF-8'");
5994                         pg_set_client_encoding("UNICODE");
5995                         pg_query($link, "set datestyle = 'ISO, european'");
5996                 } else {
5997                         if (defined('MYSQL_CHARSET') && MYSQL_CHARSET) {
5998                                 db_query($link, "SET NAMES " . MYSQL_CHARSET);
5999         //                      db_query($link, "SET CHARACTER SET " . MYSQL_CHARSET);
6000                         }
6001                 }
6002         }
6003
6004         function update_feedbrowser_cache($link) {
6005
6006                 $result = db_query($link, "SELECT feed_url,title, COUNT(id) AS subscribers
6007                         FROM ttrss_feeds WHERE (SELECT COUNT(id) = 0 FROM ttrss_feeds AS tf 
6008                                 WHERE tf.feed_url = ttrss_feeds.feed_url 
6009                                 AND (private IS true OR feed_url LIKE '%:%@%/%')) 
6010                                 GROUP BY feed_url, title ORDER BY subscribers DESC LIMIT 1000");
6011         
6012                 db_query($link, "BEGIN");
6013         
6014                 db_query($link, "DELETE FROM ttrss_feedbrowser_cache");
6015         
6016                 $count = 0;
6017         
6018                 while ($line = db_fetch_assoc($result)) {
6019                         $subscribers = db_escape_string($line["subscribers"]);
6020                         $feed_url = db_escape_string($line["feed_url"]);
6021                         $title = db_escape_string($line["title"]);
6022
6023                         $tmp_result = db_query($link, "SELECT subscribers FROM
6024                                 ttrss_feedbrowser_cache WHERE feed_url = '$feed_url'");
6025
6026                         if (db_num_rows($tmp_result) == 0) {
6027
6028                                 db_query($link, "INSERT INTO ttrss_feedbrowser_cache 
6029                                         (feed_url, title, subscribers) VALUES ('$feed_url', 
6030                                                 '$title', '$subscribers')");
6031
6032                                 ++$count;
6033
6034                         }
6035         
6036                 }
6037         
6038                 db_query($link, "COMMIT");
6039
6040                 return $count;
6041
6042         }
6043
6044         function ccache_zero($link, $feed_id, $owner_uid) {
6045                 db_query($link, "UPDATE ttrss_counters_cache SET
6046                         value = 0, updated = NOW() WHERE
6047                         feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
6048         }
6049
6050         function ccache_zero_all($link, $owner_uid) {
6051                 db_query($link, "UPDATE ttrss_counters_cache SET
6052                         value = 0 WHERE owner_uid = '$owner_uid'");
6053
6054                 db_query($link, "UPDATE ttrss_cat_counters_cache SET
6055                         value = 0 WHERE owner_uid = '$owner_uid'");
6056         }
6057
6058         function ccache_remove($link, $feed_id, $owner_uid, $is_cat = false) {
6059
6060                 if (!$is_cat) {
6061                         $table = "ttrss_counters_cache";
6062                 } else {
6063                         $table = "ttrss_cat_counters_cache";
6064                 }
6065
6066                 db_query($link, "DELETE FROM $table WHERE
6067                         feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
6068
6069         }
6070
6071         function ccache_update_all($link, $owner_uid) {
6072
6073                 if (get_pref($link, 'ENABLE_FEED_CATS', $owner_uid)) {
6074
6075                         $result = db_query($link, "SELECT feed_id FROM ttrss_cat_counters_cache
6076                                 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
6077
6078                         while ($line = db_fetch_assoc($result)) {
6079                                 ccache_update($link, $line["feed_id"], $owner_uid, true);
6080                         }
6081
6082                         /* We have to manually include category 0 */
6083
6084                         ccache_update($link, 0, $owner_uid, true);
6085
6086                 } else {
6087                         $result = db_query($link, "SELECT feed_id FROM ttrss_counters_cache
6088                                 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
6089
6090                         while ($line = db_fetch_assoc($result)) {
6091                                 print ccache_update($link, $line["feed_id"], $owner_uid);
6092
6093                         }
6094
6095                 }
6096         }
6097
6098         function ccache_find($link, $feed_id, $owner_uid, $is_cat = false, 
6099                 $no_update = false) {
6100
6101                 if (!is_numeric($feed_id)) return;
6102
6103                 if (!$is_cat) {
6104                         $table = "ttrss_counters_cache";
6105                         if ($feed_id > 0) {
6106                                 $tmp_result = db_query($link, "SELECT owner_uid FROM ttrss_feeds 
6107                                         WHERE id = '$feed_id'");
6108                                 $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
6109                         }
6110                 } else {
6111                         $table = "ttrss_cat_counters_cache";
6112                 }
6113
6114                 if (DB_TYPE == "pgsql") {
6115                         $date_qpart = "updated > NOW() - INTERVAL '15 minutes'";
6116                 } else if (DB_TYPE == "mysql") {
6117                         $date_qpart = "updated > DATE_SUB(NOW(), INTERVAL 15 MINUTE)";
6118                 }
6119
6120                 $result = db_query($link, "SELECT value FROM $table
6121                         WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id' 
6122                         LIMIT 1");
6123
6124                 if (db_num_rows($result) == 1) {
6125                         return db_fetch_result($result, 0, "value");
6126                 } else {
6127                         if ($no_update) {
6128                                 return -1;
6129                         } else {
6130                                 return ccache_update($link, $feed_id, $owner_uid, $is_cat);
6131                         }
6132                 }
6133
6134         }
6135
6136         function ccache_update($link, $feed_id, $owner_uid, $is_cat = false, 
6137                 $update_pcat = true) {
6138
6139                 if (!is_numeric($feed_id)) return;
6140
6141                 if (!$is_cat && $feed_id > 0) {
6142                         $tmp_result = db_query($link, "SELECT owner_uid FROM ttrss_feeds 
6143                                 WHERE id = '$feed_id'");
6144                         $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
6145                 }
6146
6147                 $prev_unread = ccache_find($link, $feed_id, $owner_uid, $is_cat, true);
6148
6149                 /* When updating a label, all we need to do is recalculate feed counters
6150                  * because labels are not cached */
6151
6152                 if ($feed_id < 0) {
6153                         ccache_update_all($link, $owner_uid);
6154                         return;
6155                 }
6156
6157                 if (!$is_cat) {
6158                         $table = "ttrss_counters_cache";
6159                 } else {
6160                         $table = "ttrss_cat_counters_cache";
6161                 }
6162
6163                 if ($is_cat && $feed_id >= 0) {
6164                         if ($feed_id != 0) {
6165                                 $cat_qpart = "cat_id = '$feed_id'";
6166                         } else {
6167                                 $cat_qpart = "cat_id IS NULL";
6168                         }
6169
6170                         /* Recalculate counters for child feeds */
6171
6172                         $result = db_query($link, "SELECT id FROM ttrss_feeds
6173                                                 WHERE owner_uid = '$owner_uid' AND $cat_qpart");
6174
6175                         while ($line = db_fetch_assoc($result)) {
6176                                 ccache_update($link, $line["id"], $owner_uid, false, false);
6177                         }
6178
6179                         $result = db_query($link, "SELECT SUM(value) AS sv 
6180                                 FROM ttrss_counters_cache, ttrss_feeds 
6181                                 WHERE id = feed_id AND $cat_qpart AND 
6182                                 ttrss_feeds.owner_uid = '$owner_uid'");
6183
6184                         $unread = (int) db_fetch_result($result, 0, "sv");
6185
6186                 } else {
6187                         $unread = (int) getFeedArticles($link, $feed_id, $is_cat, true, $owner_uid);
6188                 }
6189
6190                 db_query($link, "BEGIN");
6191
6192                 $result = db_query($link, "SELECT feed_id FROM $table
6193                         WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id' LIMIT 1");
6194
6195                 if (db_num_rows($result) == 1) {
6196                         db_query($link, "UPDATE $table SET
6197                                 value = '$unread', updated = NOW() WHERE
6198                                 feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
6199
6200                 } else {
6201                         db_query($link, "INSERT INTO $table
6202                                 (feed_id, value, owner_uid, updated) 
6203                                 VALUES 
6204                                 ($feed_id, $unread, $owner_uid, NOW())");
6205                 }
6206
6207                 db_query($link, "COMMIT");
6208
6209                 if ($feed_id > 0 && $prev_unread != $unread) {
6210
6211                         if (!$is_cat) {
6212
6213                                 /* Update parent category */
6214
6215                                 if ($update_pcat) {
6216
6217                                         $result = db_query($link, "SELECT cat_id FROM ttrss_feeds
6218                                                 WHERE owner_uid = '$owner_uid' AND id = '$feed_id'");
6219
6220                                         $cat_id = (int) db_fetch_result($result, 0, "cat_id");
6221
6222                                         ccache_update($link, $cat_id, $owner_uid, true);
6223
6224                                 }
6225                         }
6226                 } else if ($feed_id < 0) {
6227                         ccache_update_all($link, $owner_uid);
6228                 }
6229
6230                 return $unread;
6231         }
6232
6233         function label_find_id($link, $label, $owner_uid) {
6234                 $result = db_query($link, 
6235                         "SELECT id FROM ttrss_labels2 WHERE caption = '$label' 
6236                                 AND owner_uid = '$owner_uid' LIMIT 1");
6237
6238                 if (db_num_rows($result) == 1) {
6239                         return db_fetch_result($result, 0, "id");
6240                 } else {
6241                         return 0;
6242                 }
6243         }
6244
6245         function get_article_labels($link, $id) {
6246                 global $memcache;
6247
6248                 $result = db_query($link, 
6249                         "SELECT DISTINCT label_id,caption,fg_color,bg_color 
6250                                 FROM ttrss_labels2, ttrss_user_labels2 
6251                         WHERE id = label_id 
6252                                 AND article_id = '$id' 
6253                                 AND owner_uid = ".$_SESSION["uid"] . "
6254                         ORDER BY caption");
6255
6256                 $obj_id = md5("LABELS:$id:" . $_SESSION["uid"]);
6257
6258                 $rv = array();
6259
6260                 if ($memcache && $obj = $memcache->get($obj_id)) {
6261                         return $obj;
6262                 } else {
6263                         while ($line = db_fetch_assoc($result)) {
6264                                 $rk = array($line["label_id"], $line["caption"], $line["fg_color"],
6265                                         $line["bg_color"]);
6266                                 array_push($rv, $rk);
6267                         }
6268                         if ($memcache) $memcache->add($obj_id, $rv, 0, 3600);
6269                 }
6270
6271                 return $rv;
6272         }
6273
6274
6275         function label_find_caption($link, $label, $owner_uid) {
6276                 $result = db_query($link, 
6277                         "SELECT caption FROM ttrss_labels2 WHERE id = '$label' 
6278                                 AND owner_uid = '$owner_uid' LIMIT 1");
6279
6280                 if (db_num_rows($result) == 1) {
6281                         return db_fetch_result($result, 0, "caption");
6282                 } else {
6283                         return "";
6284                 }
6285         }
6286
6287         function label_remove_article($link, $id, $label, $owner_uid) {
6288
6289                 $label_id = label_find_id($link, $label, $owner_uid);
6290
6291                 if (!$label_id) return;
6292
6293                 $result = db_query($link, 
6294                         "DELETE FROM ttrss_user_labels2
6295                         WHERE 
6296                                 label_id = '$label_id' AND
6297                                 article_id = '$id'");
6298         }
6299
6300         function label_add_article($link, $id, $label, $owner_uid) {
6301
6302                 global $memcache;
6303
6304                 if ($memcache) {
6305                         $obj_id = md5("LABELS:$id:$owner_uid");
6306                         $memcache->delete($obj_id);
6307                 }
6308
6309                 $label_id = label_find_id($link, $label, $owner_uid);
6310
6311                 if (!$label_id) return;
6312
6313                 $result = db_query($link, 
6314                         "SELECT 
6315                                 article_id FROM ttrss_labels2, ttrss_user_labels2
6316                         WHERE 
6317                                 label_id = id AND 
6318                                 label_id = '$label_id' AND
6319                                 article_id = '$id' AND owner_uid = '$owner_uid'
6320                         LIMIT 1");
6321
6322                 if (db_num_rows($result) == 0) {
6323                         db_query($link, "INSERT INTO ttrss_user_labels2 
6324                                 (label_id, article_id) VALUES ('$label_id', '$id')");
6325                 }
6326         }
6327
6328         function label_remove($link, $id, $owner_uid) {
6329                 global $memcache;
6330
6331                 if ($memcache) {
6332                         $obj_id = md5("LABELS:$id:$owner_uid");
6333                         $memcache->delete($obj_id);
6334                 }
6335
6336                 db_query($link, "BEGIN");
6337
6338                 $result = db_query($link, "SELECT caption FROM ttrss_labels2
6339                         WHERE id = '$id'");
6340
6341                 $caption = db_fetch_result($result, 0, "caption");
6342
6343                 $result = db_query($link, "DELETE FROM ttrss_labels2 WHERE id = '$id'
6344                         AND owner_uid = " . $_SESSION["uid"]);
6345
6346                 if (db_affected_rows($link, $result) != 0 && $caption) {
6347
6348                         /* Disable filters that reference label being removed */
6349         
6350                         db_query($link, "UPDATE ttrss_filters SET
6351                                 enabled = false WHERE action_param = '$caption'
6352                                         AND action_id = 7
6353                                         AND owner_uid = " . $_SESSION["uid"]);
6354                         }
6355
6356                 db_query($link, "COMMIT");
6357         }
6358
6359         function label_create($link, $caption) {
6360
6361                 db_query($link, "BEGIN");
6362
6363                 $result = false;
6364
6365                 $result = db_query($link, "SELECT id FROM ttrss_labels2
6366                         WHERE caption = '$caption' AND owner_uid =  ". $_SESSION["uid"]);
6367
6368                 if (db_num_rows($result) == 0) {
6369                         $result = db_query($link,
6370                                 "INSERT INTO ttrss_labels2 (caption,owner_uid) 
6371                                         VALUES ('$caption', '".$_SESSION["uid"]."')");
6372
6373                         $result = db_affected_rows($link, $result) != 0;
6374                 }
6375
6376                 db_query($link, "COMMIT");
6377
6378                 return $result;
6379         }
6380
6381         function print_labels_headlines_dropdown($link, $feed_id) {
6382                 print "<li onclick=\"javascript:addLabel()\">
6383                         &nbsp;&nbsp;".__("Create label...")."</li>";
6384
6385                 $result = db_query($link, "SELECT id, caption FROM ttrss_labels2 WHERE
6386                         owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
6387
6388                 while ($line = db_fetch_assoc($result)) {
6389
6390                         $label_id = $line["id"];
6391                         $label_caption = $line["caption"];
6392
6393                         if ($feed_id < -10 && $feed_id == -11-$label_id) {
6394                                 print "<li id=\"LHDL-$id\" 
6395                                         onclick=\"javascript:selectionRemoveLabel($label_id)\">
6396                                         &nbsp;&nbsp;$label_caption ".__('(remove)')."</li>";
6397                         } else {                                        
6398                                 print "<li id=\"LHDL-$id\" 
6399                                         onclick=\"javascript:selectionAssignLabel($label_id)\">
6400                                         &nbsp;&nbsp;$label_caption</li>";
6401                         }
6402                 }
6403         }
6404
6405         function format_tags_string($tags, $id) {
6406
6407                 $tags_str = "";
6408                 $tags_nolinks_str = "";
6409
6410                 $num_tags = 0;
6411
6412 /*              if (get_user_theme($link) == "3pane") {
6413                         $tag_limit = 3;
6414                 } else {
6415                         $tag_limit = 6;
6416                 } */
6417
6418                 $tag_limit = 6;
6419
6420                 $formatted_tags = array();
6421
6422                 foreach ($tags as $tag) {
6423                         $num_tags++;
6424                         $tag_escaped = str_replace("'", "\\'", $tag);
6425
6426                         if (mb_strlen($tag) > 30) {
6427                                 $tag = truncate_string($tag, 30);
6428                         }
6429
6430                         $tag_str = "<a href=\"javascript:viewfeed('$tag_escaped')\">$tag</a>";
6431
6432                         array_push($formatted_tags, $tag_str);
6433
6434                         $tmp_tags_str = implode(", ", $formatted_tags);
6435                                 
6436                         if ($num_tags == $tag_limit || mb_strlen($tmp_tags_str) > 150) {
6437                                 break;
6438                         }
6439                 }
6440
6441                 $tags_str = implode(", ", $formatted_tags);
6442
6443                 if ($num_tags < count($tags)) {
6444                         $tags_str .= ", &hellip;";
6445                 }
6446
6447                 if ($num_tags == 0) {
6448                         $tags_str = __("no tags");
6449                 }
6450
6451                 return $tags_str;
6452
6453         }
6454
6455         function format_article_labels($labels, $id) {
6456
6457                 $labels_str = "";
6458
6459                 foreach ($labels as $l) {
6460                         $labels_str .= sprintf("<span class='hlLabelRef' 
6461                                 style='color : %s; background-color : %s'>%s</span>",
6462                                         $l[2], $l[3], $l[1]);
6463                         }
6464
6465                 return $labels_str;
6466
6467         }
6468
6469         function format_article_note($id, $note) {
6470
6471                 $note_escaped = htmlspecialchars($note, ENT_QUOTES);
6472
6473                 $str = "<div class='articleNote'>";
6474                 $str .= $note;
6475                 $str .= "<div class='articleNoteOps'>";
6476                 $str .= "<a href=\"javascript:publishWithNote($id, '$note_escaped')\">".
6477                         __('edit note')."</a>";
6478                 $str .= "</div>";
6479                 $str .= "</div>";
6480
6481                 return $str;
6482         }
6483
6484         function toggle_collapse_cat($link, $cat_id) {
6485                 if ($cat_id > 0) {
6486                         db_query($link, "UPDATE ttrss_feed_categories SET
6487                                 collapsed = NOT collapsed WHERE id = '$cat_id' AND owner_uid = " . 
6488                                 $_SESSION["uid"]);
6489                 } else {
6490                         $pref_name = '';
6491
6492                         switch ($cat_id) {
6493                         case -1:
6494                                 $pref_name = '_COLLAPSED_SPECIAL';
6495                                 break;
6496                         case -2:
6497                                 $pref_name = '_COLLAPSED_LABELS';
6498                                 break;
6499                         case 0:
6500                                 $pref_name = '_COLLAPSED_UNCAT';
6501                                 break;
6502                         }
6503
6504                         if ($pref_name) {
6505                                 if (get_pref($link, $pref_name)) {
6506                                         set_pref($link, $pref_name, 'false');
6507                                 } else {
6508                                         set_pref($link, $pref_name, 'true');
6509                                 }
6510                         }
6511                 }
6512         }
6513
6514         function remove_feed($link, $id, $owner_uid) {
6515
6516                 if ($id > 0) {
6517
6518                         /* save starred articles in Archived feed */
6519
6520                         db_query($link, "BEGIN");
6521
6522                         /* prepare feed if necessary */
6523
6524                         $result = db_query($link, "SELECT id FROM ttrss_archived_feeds
6525                                 WHERE id = '$id'");
6526
6527                         if (db_num_rows($result) == 0) {
6528                                 db_query($link, "INSERT INTO ttrss_archived_feeds 
6529                                         (id, owner_uid, title, feed_url, site_url)
6530                                 SELECT id, owner_uid, title, feed_url, site_url from ttrss_feeds
6531                                 WHERE id = '$id'");
6532                         }
6533
6534                         db_query($link, "UPDATE ttrss_user_entries SET feed_id = NULL,
6535                                 orig_feed_id = '$id' WHERE feed_id = '$id' AND 
6536                                         marked = true AND owner_uid = $owner_uid");
6537
6538                         /* remove the feed */
6539
6540                         db_query($link, "DELETE FROM ttrss_feeds 
6541                                         WHERE id = '$id' AND owner_uid = $owner_uid");
6542
6543                         db_query($link, "COMMIT");
6544
6545 /*                      if (file_exists(ICONS_DIR . "/$id.ico")) {
6546                                 unlink(ICONS_DIR . "/$id.ico");
6547                         } */
6548
6549                         ccache_remove($link, $id, $owner_uid);
6550
6551                 } else {
6552                         label_remove($link, -11-$id, $owner_uid);
6553                         ccache_remove($link, -11-$id, $owner_uid);
6554                 }
6555         }
6556
6557         function remove_feed_category($link, $id, $owner_uid) {
6558
6559                 db_query($link, "DELETE FROM ttrss_feed_categories
6560                         WHERE id = '$id' AND owner_uid = $owner_uid");
6561
6562                 ccache_remove($link, $id, $owner_uid, true);
6563         }
6564
6565         function archive_article($link, $id, $owner_uid) {
6566                 db_query($link, "BEGIN");
6567
6568                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
6569                         WHERE ref_id = '$id' AND owner_uid = $owner_uid");
6570
6571                 if (db_num_rows($result) != 0) {
6572
6573                         /* prepare the archived table */
6574
6575                         $feed_id = (int) db_fetch_result($result, 0, "feed_id");
6576
6577                         if ($feed_id) {
6578                                 $result = db_query($link, "SELECT id FROM ttrss_archived_feeds
6579                                         WHERE id = '$feed_id'");
6580
6581                                 if (db_num_rows($result) == 0) {
6582                                         db_query($link, "INSERT INTO ttrss_archived_feeds 
6583                                                 (id, owner_uid, title, feed_url, site_url)
6584                                         SELECT id, owner_uid, title, feed_url, site_url from ttrss_feeds
6585                                         WHERE id = '$feed_id'");
6586                                 }
6587
6588                                 db_query($link, "UPDATE ttrss_user_entries 
6589                                         SET orig_feed_id = feed_id, feed_id = NULL
6590                                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
6591                         }
6592                 }
6593
6594                 db_query($link, "COMMIT");
6595         }
6596
6597         function getArticleFeed($link, $id) {
6598                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries 
6599                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
6600
6601                 if (db_num_rows($result) != 0) {
6602                         return db_fetch_result($result, 0, "feed_id");
6603                 } else {
6604                         return 0;
6605                 }
6606         }
6607
6608         function make_url_from_parts($parts) {
6609                 $url = $parts['scheme'] . '://' . $parts['host'];
6610
6611                 if ($parts['path']) $url .= $parts['path'];
6612                 if ($parts['query']) $url .= '?' . $parts['query'];
6613
6614                 return $url;
6615         }
6616
6617         function validate_feed_url($url) {
6618                 $parts = parse_url($url);
6619
6620                 return ($parts['scheme'] == 'http' || $parts['scheme'] == 'feed' || $parts['scheme'] == 'https');
6621
6622         }
6623
6624         function get_article_enclosures($link, $id) {
6625
6626                 global $memcache;
6627
6628                 $query = "SELECT * FROM ttrss_enclosures 
6629                         WHERE post_id = '$id' AND content_url != ''";
6630
6631                 $obj_id = md5("ENCLOSURES:$id");
6632
6633                 $rv = array();
6634
6635                 if ($memcache && $obj = $memcache->get($obj_id)) {
6636                         $rv = $obj;
6637                 } else {
6638                         $result = db_query($link, $query);
6639
6640                         if (db_num_rows($result) > 0) {
6641                                 while ($line = db_fetch_assoc($result)) {
6642                                         array_push($rv, $line);
6643                                 }
6644                                 if ($memcache) $memcache->add($obj_id, $rv, 0, 3600);
6645                         }
6646                 }
6647
6648                 return $rv;
6649         }
6650
6651 ?>