]> git.wh0rd.org Git - tt-rss.git/blob - functions.php
Merge branch 'master' of madoka.volgo-balt.ru:public_html/testbox/tt-rss
[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. Not used anymore, purging is done after feed update.
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, $do_output);
276                         }
277                 }       
278
279                 purge_orphans($link, $do_output);
280
281         } // function global_purge_old_posts */
282
283         function feed_purge_interval($link, $feed_id) {
284
285                 $result = db_query($link, "SELECT purge_interval, owner_uid FROM ttrss_feeds 
286                         WHERE id = '$feed_id'");
287
288                 if (db_num_rows($result) == 1) {
289                         $purge_interval = db_fetch_result($result, 0, "purge_interval");
290                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
291
292                         if ($purge_interval == 0) $purge_interval = get_pref($link, 
293                                 'PURGE_OLD_DAYS', $owner_uid);
294
295                         return $purge_interval;
296
297                 } else {
298                         return -1;
299                 }
300         }
301
302         function purge_old_posts($link) {
303
304                 $user_id = $_SESSION["uid"];
305         
306                 $result = db_query($link, "SELECT id,purge_interval FROM ttrss_feeds 
307                         WHERE owner_uid = '$user_id'");
308
309                 while ($line = db_fetch_assoc($result)) {
310
311                         $feed_id = $line["id"];
312                         $purge_interval = $line["purge_interval"];
313
314                         if ($purge_interval == 0) $purge_interval = get_pref($link, 'PURGE_OLD_DAYS');
315
316                         if ($purge_interval > 0) {
317                                 purge_feed($link, $feed_id, $purge_interval);
318                         }
319                 }       
320
321                 purge_orphans($link);
322         }
323
324         function purge_orphans($link, $do_output = false) {
325
326                 // purge orphaned posts in main content table
327                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE 
328                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
329
330                 if ($do_output) {
331                         $rows = db_affected_rows($link, $result);
332                         _debug("Purged $rows orphaned posts.");
333                 }
334         }
335
336         function get_feed_update_interval($link, $feed_id) {
337                 $result = db_query($link, "SELECT owner_uid, update_interval FROM
338                         ttrss_feeds WHERE id = '$feed_id'");
339
340                 if (db_num_rows($result) == 1) {
341                         $update_interval = db_fetch_result($result, 0, "update_interval");
342                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
343
344                         if ($update_interval != 0) {
345                                 return $update_interval;
346                         } else {
347                                 return get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $owner_uid, false);
348                         }
349
350                 } else {
351                         return -1;
352                 }
353         }
354
355         function fetch_file_contents($url, $type) {
356                 if (USE_CURL_FOR_ICONS) {
357                         $ch = curl_init($url);
358
359                         curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 15);
360                         curl_setopt($ch, CURLOPT_TIMEOUT, 45);
361                         curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
362                         curl_setopt($ch, CURLOPT_MAXREDIRS, 20);
363                         curl_setopt($ch, CURLOPT_BINARYTRANSFER, true);
364                         curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
365
366                         $contents = curl_exec($ch);
367                         if ($contents === false) {
368                                 curl_close($ch);
369                                 return false;
370                         }
371
372                         $content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
373                         curl_close($ch);
374
375                         if ($type && strpos($content_type, "$type") === false) {
376                                 return false;
377                         }
378
379                         return $contents;
380                 } else {
381                         return file_get_contents($url);
382                 }
383
384         }
385
386         /**
387          * Try to determine the favicon URL for a feed.
388          * adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/)
389          * http://dev.wp-plugins.org/file/favatars/trunk/favatars.php
390          * 
391          * @param string $url A feed or page URL
392          * @access public
393          * @return mixed The favicon URL, or false if none was found.
394          */
395         function get_favicon_url($url) {
396
397                 if ($html = @fetch_file_contents($url)) {
398
399                         if ( preg_match('/<link[^>]+rel="(?:shortcut )?icon"[^>]+?href="([^"]+?)"/si', $html, $matches)) {
400                                 // Attempt to grab a favicon link from their webpage url
401                                 $linkUrl = html_entity_decode($matches[1]);
402
403                                 if (substr($linkUrl, 0, 1) == '/') {
404                                         $urlParts = parse_url($url);
405                                         $faviconURL = $urlParts['scheme'].'://'.$urlParts['host'].$linkUrl;
406                                 } else if (substr($linkUrl, 0, 7) == 'http://') {
407                                         $faviconURL = $linkUrl;
408                                 } else {
409                                         $pos = strrpos($url, "/");
410                                         // no "/" in url or "/" is part of "://"
411                                         if ($pos === false || $pos == (strpos($url, "://")+2)) {
412                                                 $faviconURL = $url.'/'.$linkUrl;
413                                         } else {
414                                                 $faviconURL = substr($url, 0, $pos+1).$linkUrl;
415                                         }
416                                 }
417
418                         } else {
419                                 // If unsuccessful, attempt to "guess" the favicon location
420                                 $urlParts = parse_url($url);
421                                 $faviconURL = $urlParts['scheme'].'://'.$urlParts['host'].'/favicon.ico';
422                         }
423                 }
424
425                 // Run a test to see if what we have attempted to get actually exists.
426                 if(USE_CURL_FOR_ICONS || url_validate($faviconURL)) {
427                         return $faviconURL;
428                 } else {
429                         return false;
430                 }
431         } // function get_favicon_url
432
433         /**
434          * Check if a link is a valid and working URL.
435          * 
436          * @param mixed $link A URL to check
437          * @access public
438          * @return boolean True if the URL is valid, false otherwise.
439          */
440         function url_validate($link) {
441                 
442                 $url_parts = @parse_url($link);
443
444                 if ( empty( $url_parts["host"] ) )
445                                 return false;
446
447                 if ( !empty( $url_parts["path"] ) ) {
448                                 $documentpath = $url_parts["path"];
449                 } else {
450                                 $documentpath = "/";
451                 }
452
453                 if ( !empty( $url_parts["query"] ) )
454                                 $documentpath .= "?" . $url_parts["query"];
455
456                 $host = $url_parts["host"];
457                 $port = $url_parts["port"];
458                 
459                 if ( empty($port) )
460                                 $port = "80";
461
462                 $socket = @fsockopen( $host, $port, $errno, $errstr, 30 );
463                 
464                 if ( !$socket )
465                                 return false;
466                                 
467                 fwrite ($socket, "HEAD ".$documentpath." HTTP/1.0\r\nHost: $host\r\n\r\n");
468
469                 $http_response = fgets( $socket, 22 );
470
471                 $responses = "/(200 OK)|(30[123])/";
472                 if ( preg_match($responses, $http_response) ) {
473                                 fclose($socket);
474                                 return true;
475                 } else {
476                                 return false;
477                 }
478
479         } // function url_validate
480
481         function check_feed_favicon($site_url, $feed, $link) {
482                 $favicon_url = get_favicon_url($site_url);
483
484 #               print "FAVICON [$site_url]: $favicon_url\n";
485
486                 error_reporting(0);
487
488                 $icon_file = ICONS_DIR . "/$feed.ico";
489
490                 if ($favicon_url && !file_exists($icon_file)) {
491                         $contents = fetch_file_contents($favicon_url, "image");
492
493                         if ($contents) {
494                                 $fp = fopen($icon_file, "w");
495
496                                 if ($fp) {
497                                         fwrite($fp, $contents);
498                                         fclose($fp);
499                                         chmod($icon_file, 0644);
500                                 }
501                         }
502                 }
503
504                 error_reporting(DEFAULT_ERROR_LEVEL);
505
506         }
507
508         function update_rss_feed($link, $feed, $ignore_daemon = false) {
509
510                 global $memcache;
511
512                 /* Update all feeds with the same URL to utilize memcache */
513
514                 if ($memcache) {
515                         $result = db_query($link, "SELECT f1.id 
516                                 FROM ttrss_feeds AS f1, ttrss_feeds AS f2 
517                                 WHERE   f2.feed_url = f1.feed_url AND f2.id = '$feed'");
518
519                         while ($line = db_fetch_assoc($result)) {
520                                 update_rss_feed_real($link, $line["id"], $ignore_daemon);
521                         }
522                 } else {
523                         update_rss_feed_real($link, $feed, $ignore_daemon);
524                 }
525         }
526
527         function update_rss_feed_real($link, $feed, $ignore_daemon = false) {
528
529                 global $memcache;
530
531                 if (!$_REQUEST["daemon"] && !$ignore_daemon) {
532                         return false;
533                 }
534
535                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
536                         _debug("update_rss_feed: start");
537                 }
538
539                 if (!$ignore_daemon) {
540
541                         if (DB_TYPE == "pgsql") {
542                                         $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
543                                 } else {
544                                         $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
545                                 }                       
546         
547                         $result = db_query($link, "SELECT id,update_interval,auth_login,
548                                 auth_pass,cache_images,update_method
549                                 FROM ttrss_feeds WHERE id = '$feed' AND $updstart_thresh_qpart");
550
551                 } else {
552
553                         $result = db_query($link, "SELECT id,update_interval,auth_login,
554                                 feed_url,auth_pass,cache_images,update_method,last_updated
555                                 FROM ttrss_feeds WHERE id = '$feed'");
556
557                 }
558
559                 if (db_num_rows($result) == 0) {
560                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
561                                 _debug("update_rss_feed: feed $feed NOT FOUND/SKIPPED");
562                         }               
563                         return false;
564                 }
565
566                 $update_method = db_fetch_result($result, 0, "update_method");
567                 $last_updated = db_fetch_result($result, 0, "last_updated");
568
569                 db_query($link, "UPDATE ttrss_feeds SET last_update_started = NOW()
570                         WHERE id = '$feed'");
571
572                 $auth_login = db_fetch_result($result, 0, "auth_login");
573                 $auth_pass = db_fetch_result($result, 0, "auth_pass");
574
575                 if (DEFAULT_UPDATE_METHOD == "1") {
576                         $use_simplepie = $update_method != 1;
577                 } else {
578                         $use_simplepie = $update_method == 2;
579                 }
580
581                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
582                         _debug("use simplepie: $use_simplepie (feed setting: $update_method)\n");
583                 }
584
585                 if (!$use_simplepie) {
586                         $auth_login = urlencode($auth_login);
587                         $auth_pass = urlencode($auth_pass);
588                 }
589
590                 $update_interval = db_fetch_result($result, 0, "update_interval");
591                 $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images"));
592                 $fetch_url = db_fetch_result($result, 0, "feed_url");
593
594                 if ($update_interval < 0) { return; }
595
596                 $feed = db_escape_string($feed);
597
598                 if ($auth_login && $auth_pass) {
599                         $url_parts = array();
600                         preg_match("/(^[^:]*):\/\/(.*)/", $fetch_url, $url_parts);
601
602                         if ($url_parts[1] && $url_parts[2]) {
603                                 $fetch_url = $url_parts[1] . "://$auth_login:$auth_pass@" . $url_parts[2];
604                         }
605
606                 }
607
608                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
609                         _debug("update_rss_feed: fetching [$fetch_url]...");
610                 }
611
612                 if (!defined('DAEMON_EXTENDED_DEBUG') && !$_REQUEST['xdebug']) {
613                         error_reporting(0);
614                 }
615
616                 $obj_id = md5("FDATA:$use_simplepie:$fetch_url");
617
618                 if ($memcache && $obj = $memcache->get($obj_id)) {
619
620                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
621                                 _debug("update_rss_feed: data found in memcache.");
622                         }
623
624                         $rss = $obj;
625
626                 } else {
627
628                         if (!$use_simplepie) {
629                                 $rss = fetch_rss($fetch_url);
630                         } else {
631                                 if (!is_dir(SIMPLEPIE_CACHE_DIR)) {
632                                         mkdir(SIMPLEPIE_CACHE_DIR);
633                                 }
634         
635                                 $rss = new SimplePie();
636                                 $rss->set_useragent(SIMPLEPIE_USERAGENT . MAGPIE_USER_AGENT_EXT);
637         #                       $rss->set_timeout(10);
638                                 $rss->set_feed_url($fetch_url);
639                                 $rss->set_output_encoding('UTF-8');
640         
641                                 if (SIMPLEPIE_CACHE_IMAGES && $cache_images) {
642                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
643                                                 _debug("enabling image cache");
644                                         }
645         
646                                         $rss->set_image_handler('./image.php', 'i');
647                                 }
648         
649                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
650                                         _debug("feed update interval (sec): " .
651                                                 get_feed_update_interval($link, $feed)*60);
652                                 }
653         
654                                 if (is_dir(SIMPLEPIE_CACHE_DIR)) {
655                                         $rss->set_cache_location(SIMPLEPIE_CACHE_DIR);
656                                         $rss->set_cache_duration(get_feed_update_interval($link, $feed) * 60);
657                                 }
658         
659                                 $rss->init();
660                         }
661
662                         if ($memcache && $rss) $memcache->add($obj_id, $rss, 0, 300);
663                 }
664
665 //              print_r($rss);
666
667                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
668                         _debug("update_rss_feed: fetch done, parsing...");
669                 } else {
670                         error_reporting (DEFAULT_ERROR_LEVEL);
671                 }
672
673                 $feed = db_escape_string($feed);
674
675                 if ($use_simplepie) {
676                         $fetch_ok = !$rss->error();
677                 } else {
678                         $fetch_ok = !!$rss;
679                 }
680
681                 if ($fetch_ok) {
682
683                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
684                                 _debug("update_rss_feed: processing feed data...");
685                         }
686
687 //                      db_query($link, "BEGIN");
688
689                         $result = db_query($link, "SELECT title,icon_url,site_url,owner_uid
690                                 FROM ttrss_feeds WHERE id = '$feed'");
691
692                         $registered_title = db_fetch_result($result, 0, "title");
693                         $orig_icon_url = db_fetch_result($result, 0, "icon_url");
694                         $orig_site_url = db_fetch_result($result, 0, "site_url");
695
696                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
697
698                         if ($use_simplepie) {
699                                 $site_url = $rss->get_link();
700                         } else {
701                                 $site_url = $rss->channel["link"];
702                         }
703
704                         if (get_pref($link, 'ENABLE_FEED_ICONS', $owner_uid, false)) {  
705                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
706                                         _debug("update_rss_feed: checking favicon...");
707                                 }
708
709                                 check_feed_favicon($site_url, $feed, $link);
710                         }
711
712                         if (!$registered_title || $registered_title == "[Unknown]") {
713
714                                 if ($use_simplepie) {
715                                         $feed_title = db_escape_string($rss->get_title());
716                                 } else {
717                                         $feed_title = db_escape_string($rss->channel["title"]);
718                                 }
719
720                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
721                                         _debug("update_rss_feed: registering title: $feed_title");
722                                 }
723                                 
724                                 db_query($link, "UPDATE ttrss_feeds SET 
725                                         title = '$feed_title' WHERE id = '$feed'");
726                         }
727
728                         // weird, weird Magpie
729                         if (!$use_simplepie) {
730                                 if (!$site_url) $site_url = db_escape_string($rss->channel["link_"]);
731                         }
732
733                         if ($site_url && $orig_site_url != db_escape_string($site_url)) {
734                                 db_query($link, "UPDATE ttrss_feeds SET 
735                                         site_url = '$site_url' WHERE id = '$feed'");
736                         }
737
738 //                      print "I: " . $rss->channel["image"]["url"];
739
740                         if (!$use_simplepie) {
741                                 $icon_url = $rss->image["url"];
742                         } else {
743                                 $icon_url = $rss->get_image_url();
744                         }
745
746                         if ($icon_url && !$orig_icon_url != db_escape_string($icon_url)) {
747                                 $icon_url = db_escape_string($icon_url);
748                                 db_query($link, "UPDATE ttrss_feeds SET icon_url = '$icon_url' WHERE id = '$feed'");
749                         }
750
751                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
752                                 _debug("update_rss_feed: loading filters...");
753                         }
754
755                         $filters = load_filters($link, $feed, $owner_uid);
756
757                         if ($use_simplepie) {
758                                 $iterator = $rss->get_items();
759                         } else {
760                                 $iterator = $rss->items;
761                                 if (!$iterator || !is_array($iterator)) $iterator = $rss->entries;
762                                 if (!$iterator || !is_array($iterator)) $iterator = $rss;
763                         }
764
765                         if (!is_array($iterator)) {
766                                 /* db_query($link, "UPDATE ttrss_feeds 
767                                         SET last_error = 'Parse error: can\'t find any articles.'
768                                         WHERE id = '$feed'"); */
769
770                                 // clear any errors and mark feed as updated if fetched okay
771                                 // even if it's blank
772
773                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
774                                         _debug("update_rss_feed: entry iterator is not an array, no articles?");
775                                 }
776
777                                 db_query($link, "UPDATE ttrss_feeds 
778                                         SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
779
780                                 return; // no articles
781                         }
782
783                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
784                                 _debug("update_rss_feed: processing articles...");
785                         }
786
787                         foreach ($iterator as $item) {
788
789                                 if ($_REQUEST['xdebug'] == 2) {
790                                         print_r($item);
791                                 }
792
793                                 if ($use_simplepie) {
794                                         $entry_guid = $item->get_id();
795                                         if (!$entry_guid) $entry_guid = $item->get_link();
796                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item->get_title());
797
798                                 } else {
799
800                                         $entry_guid = $item["id"];
801
802                                         if (!$entry_guid) $entry_guid = $item["guid"];
803                                         if (!$entry_guid) $entry_guid = $item["link"];
804                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item["title"]);
805                                 }
806
807                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
808                                         _debug("update_rss_feed: guid $entry_guid");
809                                 }
810
811                                 if (!$entry_guid) continue;
812
813                                 $entry_timestamp = "";
814
815                                 if ($use_simplepie) {
816                                         $entry_timestamp = strtotime($item->get_date());
817                                 } else {
818                                         $rss_2_date = $item['pubdate'];
819                                         $rss_1_date = $item['dc']['date'];
820                                         $atom_date = $item['issued'];
821                                         if (!$atom_date) $atom_date = $item['updated'];
822
823                                         if ($atom_date != "") $entry_timestamp = parse_w3cdtf($atom_date);
824                                         if ($rss_1_date != "") $entry_timestamp = parse_w3cdtf($rss_1_date);
825                                         if ($rss_2_date != "") $entry_timestamp = strtotime($rss_2_date);
826
827                                 }
828
829                                 if ($entry_timestamp == "" || $entry_timestamp == -1 || !$entry_timestamp) {
830                                         $entry_timestamp = time();
831                                         $no_orig_date = 'true';
832                                 } else {
833                                         $no_orig_date = 'false';
834                                 }
835
836                                 $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
837
838                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
839                                         _debug("update_rss_feed: date $entry_timestamp [$entry_timestamp_fmt]");
840                                 }
841
842                                 if ($use_simplepie) {
843                                         $entry_title = $item->get_title();
844                                 } else {
845                                         $entry_title = trim(strip_tags($item["title"]));
846                                 }
847
848                                 if ($use_simplepie) {
849                                         $entry_link = $item->get_link();
850                                 } else {
851                                         // strange Magpie workaround
852                                         $entry_link = $item["link_"];
853                                         if (!$entry_link) $entry_link = $item["link"];
854                                 }
855
856                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
857                                         _debug("update_rss_feed: title $entry_title");
858                                 }
859
860                                 if (!$entry_title) $entry_title = date("Y-m-d H:i:s", $entry_timestamp);;
861
862                                 $entry_link = strip_tags($entry_link);
863
864                                 if ($use_simplepie) {
865                                         $entry_content = $item->get_content();
866                                         if (!$entry_content) $entry_content = $item->get_description();
867                                 } else {
868                                         $entry_content = $item["content:escaped"];
869
870                                         if (!$entry_content) $entry_content = $item["content:encoded"];
871                                         if (!$entry_content) $entry_content = $item["content"]["encoded"];
872                                         if (!$entry_content) $entry_content = $item["content"];
873
874                                         // Magpie bugs are getting ridiculous
875                                         if (trim($entry_content) == "Array") $entry_content = false;
876
877                                         if (!$entry_content) $entry_content = $item["atom_content"];
878                                         if (!$entry_content) $entry_content = $item["summary"];
879
880                                         if (!$entry_content || 
881                                                 strlen($entry_content) < strlen($item["description"])) {
882                                                         $entry_content = $item["description"];
883                                         };
884
885                                         // WTF
886                                         if (is_array($entry_content)) {
887                                                 $entry_content = $entry_content["encoded"];
888                                                 if (!$entry_content) $entry_content = $entry_content["escaped"];
889                                         } 
890                                 }
891
892                                 if ($_REQUEST["xdebug"] == 2) {
893                                         print "update_rss_feed: content: ";
894                                         print_r(htmlspecialchars($entry_content));
895                                 }
896
897                                 $entry_content_unescaped = $entry_content;
898
899                                 if ($use_simplepie) {
900                                         $entry_comments = strip_tags($item->data["comments"]);
901                                         if ($item->get_author()) {
902                                                 $entry_author_item = $item->get_author();
903                                                 $entry_author = $entry_author_item->get_name();
904                                                 if (!$entry_author) $entry_author = $entry_author_item->get_email();
905
906                                                 $entry_author = db_escape_string($entry_author);
907                                         }
908                                 } else {
909                                         $entry_comments = strip_tags($item["comments"]);
910                                 
911                                         $entry_author = db_escape_string(strip_tags($item['dc']['creator']));
912
913                                         if ($item['author']) {
914         
915                                                 if (is_array($item['author'])) {
916         
917                                                         if (!$entry_author) {
918                                                                 $entry_author = db_escape_string(strip_tags($item['author']['name']));
919                                                         }
920         
921                                                         if (!$entry_author) {
922                                                                 $entry_author = db_escape_string(strip_tags($item['author']['email']));
923                                                         }
924                                                 }
925         
926                                                 if (!$entry_author) {
927                                                         $entry_author = db_escape_string(strip_tags($item['author']));
928                                                 }
929                                         }
930                                 }
931
932                                 if (preg_match('/^[\t\n\r ]*$/', $entry_author)) $entry_author = '';
933
934                                 $entry_guid = db_escape_string(strip_tags($entry_guid));
935                                 $entry_guid = mb_substr($entry_guid, 0, 250);
936
937                                 $result = db_query($link, "SELECT id FROM       ttrss_entries 
938                                         WHERE guid = '$entry_guid'");
939
940                                 $entry_content = db_escape_string($entry_content);
941
942                                 $content_hash = "SHA1:" . sha1(strip_tags($entry_content));
943
944                                 $entry_title = db_escape_string($entry_title);
945                                 $entry_link = db_escape_string($entry_link);
946                                 $entry_comments = mb_substr(db_escape_string($entry_comments), 0, 250);
947                                 $entry_author = mb_substr($entry_author, 0, 250);
948
949                                 if ($use_simplepie) {
950                                         $num_comments = 0; #FIXME#
951                                 } else {
952                                         $num_comments = db_escape_string($item["slash"]["comments"]);
953                                 }
954
955                                 if (!$num_comments) $num_comments = 0;
956
957                                 // parse <category> entries into tags
958
959                                 if ($use_simplepie) {
960
961                                         $additional_tags = array();
962                                         $additional_tags_src = $item->get_categories();
963                                         
964                                         if (is_array($additional_tags_src)) {
965                                                 foreach ($additional_tags_src as $tobj) {
966                                                         array_push($additional_tags, $tobj->get_term());
967                                                 }
968                                         }
969
970                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
971                                                 _debug("update_rss_feed: category tags:");
972                                                 print_r($additional_tags);
973                                         }
974
975                                 } else {
976
977                                         $t_ctr = $item['category#'];
978
979                                         $additional_tags = false;
980         
981                                         if ($t_ctr == 0) {
982                                                 $additional_tags = false;
983                                         } else if ($t_ctr > 0) {
984                                                 $additional_tags = array($item['category']);
985
986                                                 if ($item['category@term']) {
987                                                         array_push($additional_tags, $item['category@term']);
988                                                 }
989
990                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
991                                                         if ($item["category#$i"]) {
992                                                                 array_push($additional_tags, $item["category#$i"]);
993                                                         }
994
995                                                         if ($item["category#$i@term"]) {
996                                                                 array_push($additional_tags, $item["category#$i@term"]);
997                                                         }
998                                                 }
999                                         }
1000         
1001                                         // parse <dc:subject> elements
1002         
1003                                         $t_ctr = $item['dc']['subject#'];
1004         
1005                                         if ($t_ctr > 0) {
1006                                                 $additional_tags = array($item['dc']['subject']);
1007
1008                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
1009                                                         if ($item['dc']["subject#$i"]) {
1010                                                                 array_push($additional_tags, $item['dc']["subject#$i"]);
1011                                                         }
1012                                                 }
1013                                         }
1014                                 }
1015
1016                                 // enclosures
1017
1018                                 $enclosures = array();
1019
1020                                 if ($use_simplepie) {
1021                                         $encs = $item->get_enclosures();
1022
1023                                         if (is_array($encs)) {
1024                                                 foreach ($encs as $e) {
1025                                                         $e_item = array(
1026                                                                 $e->link, $e->type, $e->length);
1027         
1028                                                         array_push($enclosures, $e_item);
1029                                                 }
1030                                         }
1031
1032                                 } else {
1033                                         // <enclosure>
1034
1035                                         $e_ctr = $item['enclosure#'];
1036
1037                                         if ($e_ctr > 0) {
1038                                                 $e_item = array($item['enclosure@url'],
1039                                                         $item['enclosure@type'],
1040                                                         $item['enclosure@length']);
1041
1042                                                 array_push($enclosures, $e_item);
1043
1044                                                 for ($i = 0; $i <= $e_ctr; $i++ ) {
1045
1046                                                         if ($item["enclosure#$i@url"]) {
1047                                                                 $e_item = array($item["enclosure#$i@url"],
1048                                                                         $item["enclosure#$i@type"],
1049                                                                         $item["enclosure#$i@length"]);
1050                                                                 array_push($enclosures, $e_item);
1051                                                         }
1052                                                 }
1053                                         }
1054
1055                                         // <media:content>
1056                                         // can there be many of those? yes -fox
1057
1058                                         $m_ctr = $item['media']['content#'];
1059
1060                                         if ($m_ctr > 0) {
1061                                                 $e_item = array($item['media']['content@url'],
1062                                                         $item['media']['content@medium'],
1063                                                         $item['media']['content@length']);
1064
1065                                                 array_push($enclosures, $e_item);
1066
1067                                                 for ($i = 0; $i <= $m_ctr; $i++ ) {
1068
1069                                                         if ($item["media"]["content#$i@url"]) {
1070                                                                 $e_item = array($item["media"]["content#$i@url"],
1071                                                                         $item["media"]["content#$i@medium"],
1072                                                                         $item["media"]["content#$i@length"]);
1073                                                                 array_push($enclosures, $e_item);
1074                                                         }
1075                                                 }
1076
1077                                         }
1078                                 }
1079
1080                                 # sanitize content
1081                                 
1082                                 $entry_content = sanitize_article_content($entry_content);
1083                                 $entry_title = sanitize_article_content($entry_title);
1084
1085                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1086                                         _debug("update_rss_feed: done collecting data [TITLE:$entry_title]");
1087                                 }
1088
1089                                 db_query($link, "BEGIN");
1090
1091                                 if (db_num_rows($result) == 0) {
1092
1093                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1094                                                 _debug("update_rss_feed: base guid not found");
1095                                         }
1096
1097                                         // base post entry does not exist, create it
1098
1099                                         $result = db_query($link,
1100                                                 "INSERT INTO ttrss_entries 
1101                                                         (title,
1102                                                         guid,
1103                                                         link,
1104                                                         updated,
1105                                                         content,
1106                                                         content_hash,
1107                                                         no_orig_date,
1108                                                         date_entered,
1109                                                         comments,
1110                                                         num_comments,
1111                                                         author)
1112                                                 VALUES
1113                                                         ('$entry_title', 
1114                                                         '$entry_guid', 
1115                                                         '$entry_link',
1116                                                         '$entry_timestamp_fmt', 
1117                                                         '$entry_content', 
1118                                                         '$content_hash',
1119                                                         $no_orig_date, 
1120                                                         NOW(), 
1121                                                         '$entry_comments',
1122                                                         '$num_comments',
1123                                                         '$entry_author')");
1124                                 } else {
1125                                         // we keep encountering the entry in feeds, so we need to
1126                                         // update date_entered column so that we don't get horrible
1127                                         // dupes when the entry gets purged and reinserted again e.g.
1128                                         // in the case of SLOW SLOW OMG SLOW updating feeds
1129
1130                                         $base_entry_id = db_fetch_result($result, 0, "id");
1131
1132                                         db_query($link, "UPDATE ttrss_entries SET date_entered = NOW()
1133                                                 WHERE id = '$base_entry_id'");
1134                                 }
1135
1136                                 // now it should exist, if not - bad luck then
1137
1138                                 $result = db_query($link, "SELECT 
1139                                                 id,content_hash,no_orig_date,title,
1140                                                 ".SUBSTRING_FOR_DATE."(date_entered,1,19) as date_entered,
1141                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated,
1142                                                 num_comments
1143                                         FROM 
1144                                                 ttrss_entries 
1145                                         WHERE guid = '$entry_guid'");
1146
1147                                 $entry_ref_id = 0;
1148                                 $entry_int_id = 0;
1149
1150                                 if (db_num_rows($result) == 1) {
1151
1152                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1153                                                 _debug("update_rss_feed: base guid found, checking for user record");
1154                                         }
1155
1156                                         // this will be used below in update handler
1157                                         $orig_content_hash = db_fetch_result($result, 0, "content_hash");
1158                                         $orig_title = db_fetch_result($result, 0, "title");
1159                                         $orig_num_comments = db_fetch_result($result, 0, "num_comments");
1160                                         $orig_date_entered = strtotime(db_fetch_result($result, 
1161                                                 0, "date_entered"));
1162
1163                                         $ref_id = db_fetch_result($result, 0, "id");
1164                                         $entry_ref_id = $ref_id;
1165
1166                                         // check for user post link to main table
1167
1168                                         // do we allow duplicate posts with same GUID in different feeds?
1169                                         if (get_pref($link, "ALLOW_DUPLICATE_POSTS", $owner_uid, false)) {
1170                                                 $dupcheck_qpart = "AND (feed_id = '$feed' OR feed_id IS NULL)";
1171                                         } else { 
1172                                                 $dupcheck_qpart = "";
1173                                         }
1174
1175 //                                      error_reporting(0);
1176
1177                                         $article_filters = get_article_filters($filters, $entry_title, 
1178                                                         $entry_content, $entry_link, $entry_timestamp, $entry_author);
1179
1180                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1181                                                 _debug("update_rss_feed: article filters: ");
1182                                                 if (count($article_filters) != 0) {
1183                                                         print_r($article_filters);
1184                                                 }
1185                                         }
1186
1187                                         if (find_article_filter($article_filters, "filter")) {
1188                                                 db_query($link, "COMMIT"); // close transaction in progress
1189                                                 continue;
1190                                         }
1191
1192 //                                      error_reporting (DEFAULT_ERROR_LEVEL);
1193
1194                                         $score = calculate_article_score($article_filters);
1195
1196                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1197                                                 _debug("update_rss_feed: initial score: $score");
1198                                         }
1199
1200                                         $query = "SELECT ref_id, int_id FROM ttrss_user_entries WHERE
1201                                                         ref_id = '$ref_id' AND owner_uid = '$owner_uid'
1202                                                         $dupcheck_qpart";
1203
1204 //                                      if ($_REQUEST["xdebug"]) print "$query\n";
1205
1206                                         $result = db_query($link, $query);
1207
1208                                         // okay it doesn't exist - create user entry
1209                                         if (db_num_rows($result) == 0) {
1210
1211                                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1212                                                         _debug("update_rss_feed: user record not found, creating...");
1213                                                 }
1214
1215                                                 if ($score >= -500 && !find_article_filter($article_filters, 'catchup')) {
1216                                                         $unread = 'true';
1217                                                         $last_read_qpart = 'NULL';
1218                                                 } else {
1219                                                         $unread = 'false';
1220                                                         $last_read_qpart = 'NOW()';
1221                                                 }                                               
1222
1223                                                 if (find_article_filter($article_filters, 'mark') || $score > 1000) {
1224                                                         $marked = 'true';
1225                                                 } else {
1226                                                         $marked = 'false';
1227                                                 }
1228
1229                                                 if (find_article_filter($article_filters, 'publish')) {
1230                                                         $published = 'true';
1231                                                 } else {
1232                                                         $published = 'false';
1233                                                 }
1234
1235                                                 $result = db_query($link,
1236                                                         "INSERT INTO ttrss_user_entries 
1237                                                                 (ref_id, owner_uid, feed_id, unread, last_read, marked, 
1238                                                                         published, score) 
1239                                                         VALUES ('$ref_id', '$owner_uid', '$feed', $unread,
1240                                                                 $last_read_qpart, $marked, $published, '$score')");
1241
1242                                                 $result = db_query($link, 
1243                                                         "SELECT int_id FROM ttrss_user_entries WHERE
1244                                                                 ref_id = '$ref_id' AND owner_uid = '$owner_uid' AND
1245                                                                 feed_id = '$feed' LIMIT 1");
1246
1247                                                 if (db_num_rows($result) == 1) {
1248                                                         $entry_int_id = db_fetch_result($result, 0, "int_id");
1249                                                 }
1250                                         } else {
1251                                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1252                                                         _debug("update_rss_feed: user record FOUND");
1253                                                 }
1254
1255                                                 $entry_ref_id = db_fetch_result($result, 0, "ref_id");
1256                                                 $entry_int_id = db_fetch_result($result, 0, "int_id");
1257                                         }
1258
1259                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1260                                                 _debug("update_rss_feed: RID: $entry_ref_id, IID: $entry_int_id");
1261                                         }
1262
1263                                         $post_needs_update = false;
1264
1265                                         if (get_pref($link, "UPDATE_POST_ON_CHECKSUM_CHANGE", $owner_uid, false) &&
1266                                                 ($content_hash != $orig_content_hash)) {
1267 //                                              print "<!-- [$entry_title] $content_hash vs $orig_content_hash -->";
1268                                                 $post_needs_update = true;
1269                                         }
1270
1271                                         if (db_escape_string($orig_title) != $entry_title) {
1272                                                 $post_needs_update = true;
1273                                         }
1274
1275                                         if ($orig_num_comments != $num_comments) {
1276                                                 $post_needs_update = true;
1277                                         }
1278
1279 //                                      this doesn't seem to be very reliable
1280 //
1281 //                                      if ($orig_timestamp != $entry_timestamp && !$orig_no_orig_date) {
1282 //                                              $post_needs_update = true;
1283 //                                      }
1284
1285                                         // if post needs update, update it and mark all user entries 
1286                                         // linking to this post as updated                                      
1287                                         if ($post_needs_update) {
1288
1289                                                 if (defined('DAEMON_EXTENDED_DEBUG')) {
1290                                                         _debug("update_rss_feed: post $entry_guid needs update...");
1291                                                 }
1292
1293 //                                              print "<!-- post $orig_title needs update : $post_needs_update -->";
1294
1295                                                 db_query($link, "UPDATE ttrss_entries 
1296                                                         SET title = '$entry_title', content = '$entry_content',
1297                                                                 content_hash = '$content_hash',
1298                                                                 num_comments = '$num_comments'
1299                                                         WHERE id = '$ref_id'");
1300
1301                                                 if (get_pref($link, "MARK_UNREAD_ON_UPDATE", $owner_uid, false)) {
1302                                                         db_query($link, "UPDATE ttrss_user_entries 
1303                                                                 SET last_read = null, unread = true WHERE ref_id = '$ref_id'");
1304                                                 } else {
1305                                                         db_query($link, "UPDATE ttrss_user_entries 
1306                                                                 SET last_read = null WHERE ref_id = '$ref_id' AND unread = false");
1307                                                 }
1308
1309                                         }
1310                                 }
1311
1312                                 db_query($link, "COMMIT");
1313
1314                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1315                                         _debug("update_rss_feed: assigning labels...");
1316                                 }
1317
1318                                 assign_article_to_labels($link, $entry_ref_id, $article_filters,
1319                                         $owner_uid);
1320
1321                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1322                                         _debug("update_rss_feed: looking for enclosures...");
1323                                 }
1324
1325                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1326                                         print_r($enclosures);
1327                                 }
1328
1329                                 db_query($link, "BEGIN");
1330
1331                                 foreach ($enclosures as $enc) {
1332                                         $enc_url = db_escape_string($enc[0]);
1333                                         $enc_type = db_escape_string($enc[1]);
1334                                         $enc_dur = db_escape_string($enc[2]);
1335
1336                                         $result = db_query($link, "SELECT id FROM ttrss_enclosures
1337                                                 WHERE content_url = '$enc_url' AND post_id = '$entry_ref_id'");
1338
1339                                         if (db_num_rows($result) == 0) {
1340                                                 db_query($link, "INSERT INTO ttrss_enclosures
1341                                                         (content_url, content_type, title, duration, post_id) VALUES
1342                                                         ('$enc_url', '$enc_type', '', '$enc_dur', '$entry_ref_id')");
1343                                         }
1344                                 }
1345
1346                                 db_query($link, "COMMIT");
1347
1348                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1349                                         _debug("update_rss_feed: looking for tags...");
1350                                 }
1351
1352                                 /* taaaags */
1353                                 // <a href="..." rel="tag">Xorg</a>, //
1354
1355                                 $entry_tags = null;
1356
1357                                 preg_match_all("/<a.*?rel=['\"]tag['\"].*?>([^<]+)<\/a>/i", 
1358                                         $entry_content_unescaped, $entry_tags);
1359
1360 /*                              print "<p><br/>$entry_title : $entry_content_unescaped<br>";
1361                                 print_r($entry_tags);
1362                                 print "<br/></p>"; */
1363
1364                                 $entry_tags = $entry_tags[1];
1365
1366                                 # check for manual tags
1367
1368                                 foreach ($article_filters as $f) {
1369                                         if ($f[0] == "tag") {
1370
1371                                                 $manual_tags = trim_array(split(",", $f[1]));
1372
1373                                                 foreach ($manual_tags as $tag) {
1374                                                         if (tag_is_valid($tag)) {
1375                                                                 array_push($entry_tags, $tag);
1376                                                         }
1377                                                 }
1378                                         }
1379                                 }
1380
1381                                 $boring_tags = trim_array(split(",", mb_strtolower(get_pref($link, 
1382                                         'BLACKLISTED_TAGS', $owner_uid, ''), 'utf-8')));
1383
1384                                 if ($additional_tags && is_array($additional_tags)) {
1385                                         foreach ($additional_tags as $tag) {
1386                                                 if (tag_is_valid($tag) && 
1387                                                                 array_search($tag, $boring_tags) === FALSE) {
1388                                                         array_push($entry_tags, $tag);
1389                                                 }
1390                                         }
1391                                 } 
1392
1393 //                              print "<p>TAGS: "; print_r($entry_tags); print "</p>";
1394
1395                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1396                                         print_r($entry_tags);
1397                                 }
1398
1399                                 if (count($entry_tags) > 0) {
1400                                 
1401                                         db_query($link, "BEGIN");
1402                         
1403                                                 foreach ($entry_tags as $tag) {
1404
1405                                                         $tag = sanitize_tag($tag);
1406                                                         $tag = db_escape_string($tag);
1407
1408                                                         if (!tag_is_valid($tag)) continue;
1409                                                         
1410                                                         $result = db_query($link, "SELECT id FROM ttrss_tags            
1411                                                                 WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND 
1412                                                                 owner_uid = '$owner_uid' LIMIT 1");
1413         
1414         //                                              print db_fetch_result($result, 0, "id");
1415         
1416                                                         if ($result && db_num_rows($result) == 0) {
1417                                                                 
1418                                                                 db_query($link, "INSERT INTO ttrss_tags 
1419                                                                         (owner_uid,tag_name,post_int_id)
1420                                                                         VALUES ('$owner_uid','$tag', '$entry_int_id')");
1421                                                         }                                                       
1422                                                 }
1423
1424                                         db_query($link, "COMMIT");
1425                                 } 
1426
1427                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1428                                         _debug("update_rss_feed: article processed");
1429                                 }
1430                         } 
1431
1432                         if (!$last_updated) {
1433                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1434                                         _debug("update_rss_feed: new feed, catching it up...");
1435                                 }
1436                                 catchup_feed($link, $feed, false, $owner_uid);
1437                         }
1438
1439                         purge_feed($link, $feed, 0);
1440
1441                         db_query($link, "UPDATE ttrss_feeds 
1442                                 SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
1443
1444 //                      db_query($link, "COMMIT");
1445
1446                 } else {
1447
1448                         if ($use_simplepie) {
1449                                 $error_msg = mb_substr($rss->error(), 0, 250);
1450                         } else {
1451                                 $error_msg = mb_substr(magpie_error(), 0, 250);
1452                         }
1453
1454                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1455                                 _debug("update_rss_feed: error fetching feed: $error_msg");
1456                         }
1457
1458                         $error_msg = db_escape_string($error_msg);
1459
1460                         db_query($link, 
1461                                 "UPDATE ttrss_feeds SET last_error = '$error_msg', 
1462                                         last_updated = NOW() WHERE id = '$feed'");
1463                 }
1464
1465                 if ($use_simplepie) {
1466                         unset($rss);
1467                 }
1468
1469                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1470                         _debug("update_rss_feed: done");
1471                 }
1472
1473         }
1474
1475         function print_select($id, $default, $values, $attributes = "") {
1476                 print "<select name=\"$id\" id=\"$id\" $attributes>";
1477                 foreach ($values as $v) {
1478                         if ($v == $default)
1479                                 $sel = " selected";
1480                          else
1481                                 $sel = "";
1482                         
1483                         print "<option$sel>$v</option>";
1484                 }
1485                 print "</select>";
1486         }
1487
1488         function print_select_hash($id, $default, $values, $attributes = "") {
1489                 print "<select name=\"$id\" id='$id' $attributes>";
1490                 foreach (array_keys($values) as $v) {
1491                         if ($v == $default)
1492                                 $sel = 'selected="selected"';
1493                          else
1494                                 $sel = "";
1495                         
1496                         print "<option $sel value=\"$v\">".$values[$v]."</option>";
1497                 }
1498
1499                 print "</select>";
1500         }
1501
1502         function get_article_filters($filters, $title, $content, $link, $timestamp, $author) {
1503                 $matches = array();
1504
1505                 if ($filters["title"]) {
1506                         foreach ($filters["title"] as $filter) {
1507                                 $reg_exp = $filter["reg_exp"];          
1508                                 $inverse = $filter["inverse"];  
1509                                 if ((!$inverse && preg_match("/$reg_exp/i", $title)) || 
1510                                                 ($inverse && !preg_match("/$reg_exp/i", $title))) {
1511
1512                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1513                                 }
1514                         }
1515                 }
1516
1517                 if ($filters["content"]) {
1518                         foreach ($filters["content"] as $filter) {
1519                                 $reg_exp = $filter["reg_exp"];
1520                                 $inverse = $filter["inverse"];
1521
1522                                 if ((!$inverse && preg_match("/$reg_exp/i", $content)) || 
1523                                                 ($inverse && !preg_match("/$reg_exp/i", $content))) {
1524
1525                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1526                                 }               
1527                         }
1528                 }
1529
1530                 if ($filters["both"]) {
1531                         foreach ($filters["both"] as $filter) {                 
1532                                 $reg_exp = $filter["reg_exp"];          
1533                                 $inverse = $filter["inverse"];
1534
1535                                 if ($inverse) {
1536                                         if (!preg_match("/$reg_exp/i", $title) && !preg_match("/$reg_exp/i", $content)) {
1537                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1538                                         }
1539                                 } else {
1540                                         if (preg_match("/$reg_exp/i", $title) || preg_match("/$reg_exp/i", $content)) {
1541                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1542                                         }
1543                                 }
1544                         }
1545                 }
1546
1547                 if ($filters["link"]) {
1548                         $reg_exp = $filter["reg_exp"];
1549                         foreach ($filters["link"] as $filter) {
1550                                 $reg_exp = $filter["reg_exp"];
1551                                 $inverse = $filter["inverse"];
1552
1553                                 if ((!$inverse && preg_match("/$reg_exp/i", $link)) || 
1554                                                 ($inverse && !preg_match("/$reg_exp/i", $link))) {
1555                                                 
1556                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1557                                 }
1558                         }
1559                 }
1560
1561                 if ($filters["date"]) {
1562                         $reg_exp = $filter["reg_exp"];
1563                         foreach ($filters["date"] as $filter) {
1564                                 $date_modifier = $filter["filter_param"];
1565                                 $inverse = $filter["inverse"];
1566                                 $check_timestamp = strtotime($filter["reg_exp"]);
1567
1568                                 # no-op when timestamp doesn't parse to prevent misfires
1569
1570                                 if ($check_timestamp) {
1571                                         $match_ok = false;
1572
1573                                         if ($date_modifier == "before" && $timestamp < $check_timestamp ||
1574                                                 $date_modifier == "after" && $timestamp > $check_timestamp) {
1575                                                         $match_ok = true;
1576                                         }
1577
1578                                         if ($inverse) $match_ok = !$match_ok;
1579
1580                                         if ($match_ok) {
1581                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1582                                         }
1583                                 }
1584                         }
1585                 } 
1586
1587                 if ($filters["author"]) {
1588                         foreach ($filters["author"] as $filter) {
1589                                 $reg_exp = $filter["reg_exp"];          
1590                                 $inverse = $filter["inverse"];  
1591                                 if ((!$inverse && preg_match("/$reg_exp/i", $author)) || 
1592                                                 ($inverse && !preg_match("/$reg_exp/i", $author))) {
1593
1594                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1595                                 }
1596                         }
1597                 }
1598
1599                 return $matches;
1600         }
1601
1602         function find_article_filter($filters, $filter_name) {
1603                 foreach ($filters as $f) {
1604                         if ($f[0] == $filter_name) {
1605                                 return $f;
1606                         };
1607                 }
1608                 return false;
1609         }
1610
1611         function calculate_article_score($filters) {
1612                 $score = 0;
1613
1614                 foreach ($filters as $f) {
1615                         if ($f[0] == "score") {
1616                                 $score += $f[1];
1617                         };
1618                 }
1619                 return $score;
1620         }
1621
1622         function assign_article_to_labels($link, $id, $filters, $owner_uid) {
1623                 foreach ($filters as $f) {
1624                         if ($f[0] == "label") {
1625                                 label_add_article($link, $id, $f[1], $owner_uid);
1626                         };
1627                 }
1628         }
1629
1630         function printFeedEntry($feed_id, $class, $feed_title, $unread, $icon_file, $link,
1631                 $rtl_content = false, $last_updated = false, $last_error = false,
1632                 $fg_content = false, $bg_content = false) {
1633
1634                 if (!$feed_title) $feed_title = getFeedTitle($link, $feed_id, false);
1635                 if (!$unread) $unread = getFeedUnread($link, $feed_id); 
1636
1637                 if ($unread > 0) $class .= "Unread";
1638
1639                 if (!$icon_file) $icon_file = getFeedIcon($feed_id);
1640
1641                 if (strpos($icon_file, "images") !== false) {
1642                         $icon_file = theme_image($link, $icon_file);
1643                 }
1644
1645                 if (file_exists($icon_file) && filesize($icon_file) > 0) {
1646                                 $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"$icon_file\">";
1647                 } else {
1648                         $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"images/blank_icon.gif\">";
1649                 }
1650
1651                 if ($rtl_content) {
1652                         $rtl_tag = "dir=\"rtl\"";
1653                 } else {
1654                         $rtl_tag = "dir=\"ltr\"";
1655                 }
1656
1657                 $error_notify_msg = "";
1658                 
1659                 if ($last_error) {
1660                         $link_title = "Error: $last_error ($last_updated)";
1661                         $error_notify_msg = "(Error)";
1662                 } else if ($last_updated) {
1663                         $link_title = "Updated: $last_updated";
1664                 }
1665
1666                 $feed = "<span class='feedlink' title=\"$link_title\" id=\"FEEDL-$feed_id\" href=\"#\"
1667                         onclick=\"viewfeed('$feed_id');\">$feed_title</span>";
1668
1669 /*              if ($feed_id < -10) {
1670                         $bg_color = "#00ccff";
1671                         $fg_color = "white";
1672                 }
1673
1674                 if ($fg_color || $bg_color) {
1675                         $color_str = "<div class='labelColorIndicator'
1676                                 style='color : $fg_color; background-color : $bg_color'>l</div>";
1677                 } 
1678
1679                 print $color_str; */
1680
1681                 print "<li id=\"FEEDR-$feed_id\" class=\"$class\">";
1682                 if (get_pref($link, 'ENABLE_FEED_ICONS')) {
1683                         print "$feed_icon";
1684                 }
1685
1686                 print "<span $rtl_tag id=\"FEEDN-$feed_id\">$feed</span>";
1687
1688                 if ($unread != 0) {
1689                         $fctr_class = "class=\"feedCtrHasUnread\"";
1690                 } else {
1691                         $fctr_class = "class=\"feedCtrNoUnread\"";
1692                 }
1693
1694                 print " <span $rtl_tag $fctr_class id=\"FEEDCTR-$feed_id\">
1695                          (<span id=\"FEEDU-$feed_id\">$unread</span>)</span>";
1696
1697                 if (get_pref($link, "EXTENDED_FEEDLIST")) {                      
1698                         $total = getFeedArticles($link, $feed_id);
1699                         print "<div class=\"feedExtInfo\">
1700                                 <span id=\"FLUPD-$feed_id\">$last_updated ($total total) $error_notify_msg</span></div>";
1701                 }
1702
1703                 print "</li>";
1704
1705         }
1706
1707         function getmicrotime() {
1708                 list($usec, $sec) = explode(" ",microtime());
1709                 return ((float)$usec + (float)$sec);
1710         }
1711
1712         function print_radio($id, $default, $true_is, $values, $attributes = "") {
1713                 foreach ($values as $v) {
1714                 
1715                         if ($v == $default)
1716                                 $sel = "checked";
1717                          else
1718                                 $sel = "";
1719
1720                         if ($v == $true_is) {
1721                                 $sel .= " value=\"1\"";
1722                         } else {
1723                                 $sel .= " value=\"0\"";
1724                         }
1725                         
1726                         print "<input class=\"noborder\" 
1727                                 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
1728
1729                 }
1730         }
1731
1732         function initialize_user_prefs($link, $uid, $profile = false) {
1733
1734                 $uid = db_escape_string($uid);
1735
1736                 if (!$profile) {
1737                         $profile = "NULL";
1738                         $profile_qpart = "AND profile IS NULL";
1739                 } else {
1740                         $profile_qpart = "AND profile = '$profile'";
1741                 }
1742
1743                 if (get_schema_version($link) < 63) $profile_qpart = "";
1744
1745                 db_query($link, "BEGIN");
1746
1747                 $result = db_query($link, "SELECT pref_name,def_value FROM ttrss_prefs");
1748                 
1749                 $u_result = db_query($link, "SELECT pref_name 
1750                         FROM ttrss_user_prefs WHERE owner_uid = '$uid' $profile_qpart");
1751
1752                 $active_prefs = array();
1753
1754                 while ($line = db_fetch_assoc($u_result)) {
1755                         array_push($active_prefs, $line["pref_name"]);                  
1756                 }
1757
1758                 while ($line = db_fetch_assoc($result)) {
1759                         if (array_search($line["pref_name"], $active_prefs) === FALSE) {
1760 //                              print "adding " . $line["pref_name"] . "<br>";
1761
1762                                 if (get_schema_version($link) < 63) {
1763                                         db_query($link, "INSERT INTO ttrss_user_prefs
1764                                                 (owner_uid,pref_name,value) VALUES 
1765                                                 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
1766
1767                                 } else {
1768                                         db_query($link, "INSERT INTO ttrss_user_prefs
1769                                                 (owner_uid,pref_name,value, profile) VALUES 
1770                                                 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."', $profile)");
1771                                 }
1772
1773                         }
1774                 }
1775
1776                 db_query($link, "COMMIT");
1777
1778         }
1779
1780         function lookup_user_id($link, $user) {
1781
1782                 $result = db_query($link, "SELECT id FROM ttrss_users WHERE 
1783                         login = '$login'");
1784
1785                 if (db_num_rows($result) == 1) {
1786                         return db_fetch_result($result, 0, "id");
1787                 } else {
1788                         return false;
1789                 }
1790         }
1791
1792         function http_authenticate_user($link) {
1793
1794 //              error_log("http_authenticate_user: ".$_SERVER["PHP_AUTH_USER"]."\n", 3, '/tmp/tt-rss.log');
1795
1796                 if (!$_SERVER["PHP_AUTH_USER"]) {
1797
1798                         header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1799                         header('HTTP/1.0 401 Unauthorized');
1800                         exit;
1801                                         
1802                 } else {
1803                         $auth_result = authenticate_user($link, 
1804                                 $_SERVER["PHP_AUTH_USER"], $_SERVER["PHP_AUTH_PW"]);
1805
1806                         if (!$auth_result) {
1807                                 header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1808                                 header('HTTP/1.0 401 Unauthorized');
1809                                 exit;
1810                         }
1811                 }
1812
1813                 return true;
1814         }
1815
1816         function authenticate_user($link, $login, $password, $force_auth = false) {
1817
1818                 if (!SINGLE_USER_MODE) {
1819
1820                         $pwd_hash1 = encrypt_password($password);
1821                         $pwd_hash2 = encrypt_password($password, $login);
1822                         $login = db_escape_string($login);
1823
1824                         if (defined('ALLOW_REMOTE_USER_AUTH') && ALLOW_REMOTE_USER_AUTH 
1825                                         && $_SERVER["REMOTE_USER"] && $login != "admin") {
1826
1827                                 $login = db_escape_string($_SERVER["REMOTE_USER"]);
1828
1829                                 $query = "SELECT id,login,access_level,pwd_hash
1830                     FROM ttrss_users WHERE
1831                                         login = '$login'";
1832
1833                         } else {
1834                                 $query = "SELECT id,login,access_level,pwd_hash
1835                     FROM ttrss_users WHERE
1836                                         login = '$login' AND (pwd_hash = '$pwd_hash1' OR
1837                                                 pwd_hash = '$pwd_hash2')";
1838                         }
1839
1840                         $result = db_query($link, $query);
1841         
1842                         if (db_num_rows($result) == 1) {
1843                                 $_SESSION["uid"] = db_fetch_result($result, 0, "id");
1844                                 $_SESSION["name"] = db_fetch_result($result, 0, "login");
1845                                 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
1846         
1847                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " . 
1848                                         $_SESSION["uid"]);
1849         
1850                                 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1851                                 $_SESSION["pwd_hash"] = db_fetch_result($result, 0, "pwd_hash");
1852
1853                                 $_SESSION["last_version_check"] = time();
1854         
1855                                 initialize_user_prefs($link, $_SESSION["uid"]);
1856         
1857                                 return true;
1858                         }
1859         
1860                         return false;
1861
1862                 } else {
1863
1864                         $_SESSION["uid"] = 1;
1865                         $_SESSION["name"] = "admin";
1866
1867                         $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1868         
1869                         initialize_user_prefs($link, $_SESSION["uid"]);
1870         
1871                         return true;
1872                 }
1873         }
1874
1875         function make_password($length = 8) {
1876
1877                 $password = "";
1878                 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ"; 
1879                 
1880         $i = 0; 
1881     
1882                 while ($i < $length) { 
1883                         $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
1884         
1885                         if (!strstr($password, $char)) { 
1886                                 $password .= $char;
1887                                 $i++;
1888                         }
1889                 }
1890                 return $password;
1891         }
1892
1893         // this is called after user is created to initialize default feeds, labels
1894         // or whatever else
1895         
1896         // user preferences are checked on every login, not here
1897
1898         function initialize_user($link, $uid) {
1899
1900 /*              db_query($link, "INSERT INTO ttrss_labels2 (owner_uid, caption)
1901                         VALUES ('$uid', 'All Articles')");
1902
1903                 db_query($link, "INSERT INTO ttrss_filters 
1904                         (owner_uid, feed_id, filter_type, reg_exp, enabled, 
1905                                 action_id, action_param, filter_param) 
1906                         VALUES ('$uid', NULL, 1, '.', true, 7, 'All Articles', 'before')"); */
1907
1908                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1909                         values ('$uid', 'Tiny Tiny RSS: New Releases',
1910                         'http://tt-rss.org/releases.rss')");
1911
1912                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1913                         values ('$uid', 'Tiny Tiny RSS: Forum',
1914                         'http://tt-rss.org/forum/rss.php')");
1915         }
1916
1917         function logout_user() {
1918                 session_destroy();
1919                 if (isset($_COOKIE[session_name()])) {
1920                    setcookie(session_name(), '', time()-42000, '/');
1921                 }
1922         }
1923
1924         function get_script_urlpath() {
1925                 return preg_replace('/\/[^\/]*$/', "", $_SERVER["REQUEST_URI"]);
1926         }
1927
1928         function validate_session($link) {
1929                 if (SINGLE_USER_MODE) { 
1930                         return true;
1931                 }
1932
1933                 if (SESSION_CHECK_ADDRESS && $_SESSION["uid"]) {
1934                         if ($_SESSION["ip_address"]) {
1935                                 if ($_SESSION["ip_address"] != $_SERVER["REMOTE_ADDR"]) {
1936                                         $_SESSION["login_error_msg"] = __("Session failed to validate (incorrect IP)");
1937                                         return false;
1938                                 }
1939                         }
1940                 }
1941
1942                 if ($_SESSION["ref_schema_version"] != get_schema_version($link, true)) {
1943                         return false;
1944                 }
1945
1946                 if ($_SESSION["uid"]) {
1947
1948                         $result = db_query($link, 
1949                                 "SELECT pwd_hash FROM ttrss_users WHERE id = '".$_SESSION["uid"]."'");
1950
1951                         $pwd_hash = db_fetch_result($result, 0, "pwd_hash");
1952
1953                         if ($pwd_hash != $_SESSION["pwd_hash"]) {
1954                                 return false;
1955                         }
1956                 }
1957
1958 /*              if ($_SESSION["cookie_lifetime"] && $_SESSION["uid"]) {
1959
1960                         //print_r($_SESSION);
1961
1962                         if (time() > $_SESSION["cookie_lifetime"]) {
1963                                 return false;
1964                         }
1965                 } */
1966
1967                 return true;
1968         }
1969
1970         function login_sequence($link, $mobile = false) {
1971                 if (!SINGLE_USER_MODE) {
1972
1973                         $login_action = $_POST["login_action"];
1974
1975                         # try to authenticate user if called from login form                    
1976                         if ($login_action == "do_login") {
1977                                 $login = $_POST["login"];
1978                                 $password = $_POST["password"];
1979                                 $remember_me = $_POST["remember_me"];
1980
1981                                 if (authenticate_user($link, $login, $password)) {
1982                                         $_POST["password"] = "";
1983
1984                                         $_SESSION["language"] = $_POST["language"];
1985                                         $_SESSION["ref_schema_version"] = get_schema_version($link, true);
1986                                         $_SESSION["bw_limit"] = !!$_POST["bw_limit"];
1987
1988                                         if ($_POST["profile"]) {
1989
1990                                                 $profile = db_escape_string($_POST["profile"]);
1991
1992                                                 $result = db_query($link, "SELECT id FROM ttrss_settings_profiles
1993                                                         WHERE id = '$profile' AND owner_uid = " . $_SESSION["uid"]);
1994
1995                                                 if (db_num_rows($result) != 0) {
1996                                                         $_SESSION["profile"] = $profile;
1997                                                         $_SESSION["prefs_cache"] = array();
1998                                                 }
1999                                         }
2000
2001                                         header("Location: " . $_SERVER["REQUEST_URI"]);
2002                                         exit;
2003
2004                                         return;
2005                                 } else {
2006                                         $_SESSION["login_error_msg"] = __("Incorrect username or password");
2007                                 }
2008                         }
2009
2010                         if (!$_SESSION["uid"] || !validate_session($link)) {
2011                                 render_login_form($link, $mobile);
2012                                 //header("Location: login.php");
2013                                 exit;
2014                         } else {
2015                                 /* bump login timestamp */
2016                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " . 
2017                                         $_SESSION["uid"]);
2018
2019                                 if ($_SESSION["language"] && SESSION_COOKIE_LIFETIME > 0) {
2020                                         setcookie("ttrss_lang", $_SESSION["language"], 
2021                                                 time() + SESSION_COOKIE_LIFETIME);
2022                                 }
2023
2024                                 /* bump counters stamp since we're getting reloaded anyway */
2025
2026                                 $_SESSION["get_all_counters_stamp"] = time();
2027                         }
2028
2029                 } else {
2030                         return authenticate_user($link, "admin", null);
2031                 }
2032         }
2033
2034         function truncate_string($str, $max_len) {
2035                 if (mb_strlen($str, "utf-8") > $max_len - 3) {
2036                         return mb_substr($str, 0, $max_len, "utf-8") . "&hellip;";
2037                 } else {
2038                         return $str;
2039                 }
2040         }
2041
2042         function theme_image($link, $filename) {
2043                 if ($link) {
2044                         $theme_path = get_user_theme_path($link);
2045
2046                         if ($theme_path && is_file($theme_path.$filename)) {
2047                                 return $theme_path.$filename;
2048                         } else {
2049                                 return $filename;
2050                         }
2051                 } else {
2052                         return $filename;
2053                 }
2054         }
2055
2056         function get_user_theme($link) {
2057
2058                 if (get_schema_version($link) >= 63 && $_SESSION["uid"]) {
2059                         $theme_name = get_pref($link, "_THEME_ID");
2060                         if (is_dir("themes/$theme_name")) {
2061                                 return $theme_name;
2062                         } else {
2063                                 return '';
2064                         }
2065                 } else {
2066                         return '';
2067                 }
2068
2069         }
2070
2071         function get_user_theme_path($link) {
2072
2073                 if (get_schema_version($link) >= 63 && $_SESSION["uid"]) {
2074                         $theme_name = get_pref($link, "_THEME_ID");
2075
2076                         if ($theme_name && is_dir("themes/$theme_name")) {
2077                                 $theme_path = "themes/$theme_name/";
2078                         } else {
2079                                 $theme_name = '';
2080                         }
2081                 } else {
2082                         $theme_path = '';
2083                 }
2084
2085                 return $theme_path;
2086         }
2087
2088         function get_user_theme_options($link) {
2089                 $t = get_user_theme_path($link);
2090
2091                 if ($t) {
2092                         if (is_file("$t/theme.ini")) {
2093                                 $ini = parse_ini_file("$t/theme.ini", true);
2094                                 if ($ini['theme']['version']) {
2095                                         return $ini['theme']['options'];
2096                                 }
2097                         }
2098                 }
2099                 return false;
2100         }
2101
2102
2103         function get_all_themes() {
2104                 $themes = glob("themes/*");
2105
2106                 asort($themes);
2107
2108                 $rv = array();
2109
2110                 foreach ($themes as $t) {
2111                         if (is_file("$t/theme.ini")) {
2112                                 $ini = parse_ini_file("$t/theme.ini", true);
2113                                 if ($ini['theme']['version'] && !$ini['theme']['disabled']) {
2114                                         $entry = array();
2115                                         $entry["path"] = $t;
2116                                         $entry["base"] = basename($t);
2117                                         $entry["name"] = $ini['theme']['name'];
2118                                         $entry["version"] = $ini['theme']['version'];
2119                                         $entry["author"] = $ini['theme']['author'];
2120                                         $entry["options"] = $ini['theme']['options'];
2121                                         array_push($rv, $entry);
2122                                 }
2123                         }
2124                 }
2125
2126                 return $rv;
2127         }
2128
2129         function smart_date_time($timestamp) {
2130                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
2131                         return date("G:i", $timestamp);
2132                 } else if (date("Y", $timestamp) == date("Y")) {
2133                         return date("M d, G:i", $timestamp);
2134                 } else {
2135                         return date("Y/m/d, G:i", $timestamp);
2136                 }
2137         }
2138
2139         function smart_date($timestamp) {
2140                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
2141                         return "Today";
2142                 } else if (date("Y", $timestamp) == date("Y")) {
2143                         return date("D m", $timestamp);
2144                 } else {
2145                         return date("Y/m/d", $timestamp);
2146                 }
2147         }
2148
2149         function sql_bool_to_string($s) {
2150                 if ($s == "t" || $s == "1") {
2151                         return "true";
2152                 } else {
2153                         return "false";
2154                 }
2155         }
2156
2157         function sql_bool_to_bool($s) {
2158                 if ($s == "t" || $s == "1") {
2159                         return true;
2160                 } else {
2161                         return false;
2162                 }
2163         }
2164         
2165         function bool_to_sql_bool($s) {
2166                 if ($s) {
2167                         return "true";
2168                 } else {
2169                         return "false";
2170                 }
2171         }
2172
2173         function toggleEvenOdd($a) {
2174                 if ($a == "even") 
2175                         return "odd";
2176                 else
2177                         return "even";
2178         }
2179
2180         function get_schema_version($link, $nocache = false) {
2181                 if (!$_SESSION["schema_version"] || $nocache) {
2182                         $result = db_query($link, "SELECT schema_version FROM ttrss_version");
2183                         $version = db_fetch_result($result, 0, "schema_version");
2184                         $_SESSION["schema_version"] = $version;
2185                         return $version;
2186                 } else {
2187                         return $_SESSION["schema_version"];
2188                 }
2189         }
2190
2191         function sanity_check($link) {
2192
2193                 error_reporting(0);
2194
2195                 $error_code = 0;
2196                 $schema_version = get_schema_version($link);
2197
2198                 if ($schema_version != SCHEMA_VERSION) {
2199                         $error_code = 5;
2200                 }
2201
2202                 if (DB_TYPE == "mysql") {
2203                         $result = db_query($link, "SELECT true", false);
2204                         if (db_num_rows($result) != 1) {
2205                                 $error_code = 10;
2206                         }
2207                 }
2208
2209                 if (db_escape_string("testTEST") != "testTEST") {
2210                         $error_code = 12;
2211                 }
2212
2213                 error_reporting (DEFAULT_ERROR_LEVEL);
2214
2215                 if ($error_code != 0) {
2216                         print_error_xml($error_code);
2217                         return false;
2218                 } else {
2219                         return true;
2220                 }
2221         }
2222
2223         function file_is_locked($filename) {
2224                 if (function_exists('flock')) {
2225                         error_reporting(0);
2226                         $fp = fopen(LOCK_DIRECTORY . "/$filename", "r");
2227                         error_reporting(DEFAULT_ERROR_LEVEL);
2228                         if ($fp) {
2229                                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2230                                         flock($fp, LOCK_UN);
2231                                         fclose($fp);
2232                                         return false;
2233                                 }
2234                                 fclose($fp);
2235                                 return true;
2236                         } else {
2237                                 return false;
2238                         }
2239                 }
2240                 return true; // consider the file always locked and skip the test
2241         }
2242
2243         function make_lockfile($filename) {
2244                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
2245
2246                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2247                         if (function_exists('posix_getpid')) {
2248                                 fwrite($fp, posix_getpid() . "\n");
2249                         }
2250                         return $fp;
2251                 } else {
2252                         return false;
2253                 }
2254         }
2255
2256         function make_stampfile($filename) {
2257                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
2258
2259                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2260                         fwrite($fp, time() . "\n");
2261                         flock($fp, LOCK_UN);
2262                         fclose($fp);
2263                         return true;
2264                 } else {
2265                         return false;
2266                 }
2267         }
2268
2269         function read_stampfile($filename) {
2270
2271                 error_reporting(0);
2272                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "r");
2273                 error_reporting (DEFAULT_ERROR_LEVEL);
2274
2275                 if ($fp) {
2276                         if (flock($fp, LOCK_EX)) {
2277                                 $stamp = fgets($fp);
2278                                 flock($fp, LOCK_UN);
2279                                 fclose($fp);
2280                                 return $stamp;
2281                         } else {
2282                                 return false;
2283                         }
2284                 } else {
2285                         return false;
2286                 }
2287         }
2288
2289         function sql_random_function() {
2290                 if (DB_TYPE == "mysql") {
2291                         return "RAND()";
2292                 } else {
2293                         return "RANDOM()";
2294                 }
2295         }
2296
2297         function catchup_feed($link, $feed, $cat_view, $owner_uid) {
2298
2299                         if (!$owner_uid) $owner_uid = $_SESSION['uid'];
2300
2301                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
2302
2303                                 if ($cat_view) {
2304
2305                                         if ($feed >= 0) {
2306
2307                                                 if ($feed > 0) {
2308                                                         $cat_qpart = "cat_id = '$feed'";
2309                                                 } else {
2310                                                         $cat_qpart = "cat_id IS NULL";
2311                                                 }
2312                                         
2313                                                 $tmp_result = db_query($link, "SELECT id 
2314                                                         FROM ttrss_feeds WHERE $cat_qpart AND owner_uid = $owner_uid");
2315
2316                                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2317
2318                                                         $tmp_feed = $tmp_line["id"];
2319
2320                                                         db_query($link, "UPDATE ttrss_user_entries 
2321                                                                 SET unread = false,last_read = NOW() 
2322                                                                 WHERE feed_id = '$tmp_feed' AND owner_uid = $owner_uid");
2323                                                 }
2324                                         } else if ($feed == -2) {
2325
2326
2327                                                 db_query($link, "UPDATE ttrss_user_entries 
2328                                                         SET unread = false,last_read = NOW() WHERE (SELECT COUNT(*) 
2329                                                                 FROM ttrss_user_labels2 WHERE article_id = ref_id) > 0 
2330                                                         AND unread = true AND owner_uid = $owner_uid");
2331                                         }
2332
2333                                 } else if ($feed > 0) {
2334
2335                                         $tmp_result = db_query($link, "SELECT id 
2336                                                 FROM ttrss_feeds WHERE parent_feed = '$feed'
2337                                                 ORDER BY cat_id,title");
2338
2339                                         $parent_ids = array();
2340
2341                                         if (db_num_rows($tmp_result) > 0) {
2342                                                 while ($p = db_fetch_assoc($tmp_result)) {
2343                                                         array_push($parent_ids, "feed_id = " . $p["id"]);
2344                                                 }
2345
2346                                                 $children_qpart = implode(" OR ", $parent_ids);
2347                                                 
2348                                                 db_query($link, "UPDATE ttrss_user_entries 
2349                                                         SET unread = false,last_read = NOW() 
2350                                                         WHERE (feed_id = '$feed' OR $children_qpart) 
2351                                                         AND owner_uid = $owner_uid");
2352
2353                                         } else {                                                
2354                                                 db_query($link, "UPDATE ttrss_user_entries 
2355                                                         SET unread = false,last_read = NOW() 
2356                                                         WHERE feed_id = '$feed' AND owner_uid = $owner_uid");
2357                                         }
2358                                                 
2359                                 } else if ($feed < 0 && $feed > -10) { // special, like starred
2360
2361                                         if ($feed == -1) {
2362                                                 db_query($link, "UPDATE ttrss_user_entries 
2363                                                         SET unread = false,last_read = NOW()
2364                                                         WHERE marked = true AND owner_uid = $owner_uid");
2365                                         }
2366
2367                                         if ($feed == -2) {
2368                                                 db_query($link, "UPDATE ttrss_user_entries 
2369                                                         SET unread = false,last_read = NOW()
2370                                                         WHERE published = true AND owner_uid = $owner_uid");
2371                                         }
2372
2373                                         if ($feed == -3) {
2374
2375                                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
2376
2377                                                 if (DB_TYPE == "pgsql") {
2378                                                         $match_part = "updated > NOW() - INTERVAL '$intl hour' "; 
2379                                                 } else {
2380                                                         $match_part = "updated > DATE_SUB(NOW(), 
2381                                                                 INTERVAL $intl HOUR) ";
2382                                                 }
2383
2384                                                 $result = db_query($link, "SELECT id FROM ttrss_entries, 
2385                                                         ttrss_user_entries WHERE $match_part AND
2386                                                         unread = true AND
2387                                                         ttrss_user_entries.ref_id = ttrss_entries.id AND        
2388                                                         owner_uid = $owner_uid");
2389
2390                                                 $affected_ids = array();
2391
2392                                                 while ($line = db_fetch_assoc($result)) {
2393                                                         array_push($affected_ids, $line["id"]);
2394                                                 }
2395
2396                                                 catchupArticlesById($link, $affected_ids, 0);
2397                                         }
2398
2399                                         if ($feed == -4) {
2400                                                 db_query($link, "UPDATE ttrss_user_entries 
2401                                                         SET unread = false,last_read = NOW()
2402                                                         WHERE owner_uid = $owner_uid");
2403                                         }
2404
2405                                 } else if ($feed < -10) { // label
2406
2407                                         $label_id = -$feed - 11;
2408
2409                                         db_query($link, "UPDATE ttrss_user_entries, ttrss_user_labels2 
2410                                                 SET unread = false, last_read = NOW() 
2411                                                         WHERE label_id = '$label_id' AND unread = true
2412                                                         AND owner_uid = '$owner_uid' AND ref_id = article_id");
2413
2414                                 }
2415
2416                                 ccache_update($link, $feed, $owner_uid, $cat_view);
2417
2418                         } else { // tag
2419                                 db_query($link, "BEGIN");
2420
2421                                 $tag_name = db_escape_string($feed);
2422
2423                                 $result = db_query($link, "SELECT post_int_id FROM ttrss_tags
2424                                         WHERE tag_name = '$tag_name' AND owner_uid = $owner_uid");
2425
2426                                 while ($line = db_fetch_assoc($result)) {
2427                                         db_query($link, "UPDATE ttrss_user_entries SET
2428                                                 unread = false, last_read = NOW() 
2429                                                 WHERE int_id = " . $line["post_int_id"]);
2430                                 }
2431                                 db_query($link, "COMMIT");
2432                         }
2433         }
2434
2435         function update_generic_feed($link, $feed, $cat_view, $force_update = false) {
2436                         if ($cat_view) {
2437
2438                                 if ($feed > 0) {
2439                                         $cat_qpart = "cat_id = '$feed'";
2440                                 } else {
2441                                         $cat_qpart = "cat_id IS NULL";
2442                                 }
2443                                 
2444                                 $tmp_result = db_query($link, "SELECT id FROM ttrss_feeds
2445                                         WHERE $cat_qpart AND owner_uid = " . $_SESSION["uid"]);
2446
2447                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {                                       
2448                                         $feed_id = $tmp_line["id"];
2449                                         update_rss_feed($link, $feed_id, $force_update);
2450                                 }
2451
2452                         } else {
2453                                 update_rss_feed($link, $feed, $force_update);
2454                         }
2455         }
2456
2457         function getAllCounters($link, $omode = "flc", $active_feed = false) {
2458
2459                 if (!$omode) $omode = "flc";
2460         
2461                 getGlobalCounters($link);
2462                 getVirtCounters($link);
2463
2464                 if (strchr($omode, "l")) getLabelCounters($link);
2465                 if (strchr($omode, "f")) getFeedCounters($link, $active_feed);
2466                 if (strchr($omode, "t")) getTagCounters($link);
2467                 if (strchr($omode, "c")) {                      
2468                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
2469                                 getCategoryCounters($link);
2470                         }
2471                 }
2472         }       
2473
2474         function getCategoryCounters($link) {
2475                 # two special categories are -1 and -2 (all virtuals; all labels)
2476
2477 /*              $ctr = getCategoryUnread($link, -1);
2478
2479                 print "<counter type=\"category\" id=\"-1\" counter=\"$ctr\"/>"; */
2480
2481                 $ctr = getCategoryUnread($link, -2); 
2482
2483                 print "<counter type=\"category\" id=\"-2\" counter=\"$ctr\"/>";
2484
2485                 $age_qpart = getMaxAgeSubquery();
2486
2487                 $result = db_query($link, "SELECT id AS cat_id, value AS unread 
2488                         FROM ttrss_feed_categories, ttrss_cat_counters_cache 
2489                         WHERE ttrss_cat_counters_cache.feed_id = id AND 
2490                         ttrss_feed_categories.owner_uid = " . $_SESSION["uid"]);
2491
2492                 while ($line = db_fetch_assoc($result)) {
2493                         $line["cat_id"] = (int) $line["cat_id"];
2494
2495                         print "<counter type=\"category\" id=\"".$line["cat_id"]."\" counter=\"".
2496                                 $line["unread"]."\"/>";
2497                 }
2498
2499                 /* Special case: NULL category doesn't actually exist in the DB */
2500
2501                 print "<counter type=\"category\" id=\"0\" counter=\"".
2502                         ccache_find($link, 0, $_SESSION["uid"], true)."\"/>";
2503
2504         }
2505
2506         function getCategoryUnread($link, $cat, $owner_uid = false) {
2507
2508                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2509
2510                 if ($cat >= 0) {
2511
2512                         if ($cat != 0) {
2513                                 $cat_query = "cat_id = '$cat'";
2514                         } else {
2515                                 $cat_query = "cat_id IS NULL";
2516                         }
2517
2518                         $age_qpart = getMaxAgeSubquery();
2519
2520                         $result = db_query($link, "SELECT id FROM ttrss_feeds WHERE $cat_query 
2521                                         AND owner_uid = " . $owner_uid);
2522         
2523                         $cat_feeds = array();
2524                         while ($line = db_fetch_assoc($result)) {
2525                                 array_push($cat_feeds, "feed_id = " . $line["id"]);
2526                         }
2527         
2528                         if (count($cat_feeds) == 0) return 0;
2529         
2530                         $match_part = implode(" OR ", $cat_feeds);
2531         
2532                         $result = db_query($link, "SELECT COUNT(int_id) AS unread 
2533                                 FROM ttrss_user_entries,ttrss_entries 
2534                                 WHERE   unread = true AND ($match_part) AND id = ref_id 
2535                                 AND $age_qpart AND owner_uid = " . $owner_uid);
2536         
2537                         $unread = 0;
2538         
2539                         # this needs to be rewritten
2540                         while ($line = db_fetch_assoc($result)) {
2541                                 $unread += $line["unread"];
2542                         }
2543         
2544                         return $unread;
2545                 } else if ($cat == -1) {
2546                         return getFeedUnread($link, -1) + getFeedUnread($link, -2) + getFeedUnread($link, -3) + getFeedUnread($link, 0);
2547                 } else if ($cat == -2) {
2548
2549                         $result = db_query($link, "
2550                                 SELECT COUNT(unread) AS unread FROM 
2551                                         ttrss_user_entries, ttrss_labels2, ttrss_user_labels2, ttrss_feeds 
2552                                 WHERE label_id = ttrss_labels2.id AND article_id = ref_id AND 
2553                                         ttrss_labels2.owner_uid = '$owner_uid'
2554                                         AND unread = true AND feed_id = ttrss_feeds.id
2555                                         AND ttrss_user_entries.owner_uid = '$owner_uid'");
2556
2557                         $unread = db_fetch_result($result, 0, "unread");
2558
2559                         return $unread;
2560
2561                 } 
2562         }
2563
2564         function getMaxAgeSubquery($days = COUNTERS_MAX_AGE) {
2565                 if (DB_TYPE == "pgsql") {
2566                         return "ttrss_entries.date_entered > 
2567                                 NOW() - INTERVAL '$days days'";
2568                 } else {
2569                         return "ttrss_entries.date_entered > 
2570                                 DATE_SUB(NOW(), INTERVAL $days DAY)";
2571                 }
2572         }
2573
2574         function getFeedUnread($link, $feed, $is_cat = false) {
2575                 return getFeedArticles($link, $feed, $is_cat, true, $_SESSION["uid"]);
2576         }
2577
2578         function getLabelUnread($link, $label_id, $owner_uid = false) {
2579                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2580
2581                 $result = db_query($link, "
2582                         SELECT COUNT(unread) AS unread FROM 
2583                                 ttrss_user_entries, ttrss_labels2, ttrss_user_labels2, ttrss_feeds 
2584                         WHERE label_id = ttrss_labels2.id AND article_id = ref_id AND 
2585                                 ttrss_labels2.owner_uid = '$owner_uid' AND ttrss_labels2.id = '$label_id'
2586                                 AND unread = true AND feed_id = ttrss_feeds.id
2587                                 AND ttrss_user_entries.owner_uid = '$owner_uid'");
2588
2589                 if (db_num_rows($result) != 0) {
2590                         return db_fetch_result($result, 0, "unread");
2591                 } else {
2592                         return 0;
2593                 }
2594         }
2595
2596         function getFeedArticles($link, $feed, $is_cat = false, $unread_only = false,
2597                 $owner_uid = false) {
2598
2599                 $n_feed = (int) $feed;
2600
2601                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2602
2603                 if ($unread_only) {
2604                         $unread_qpart = "unread = true";
2605                 } else {
2606                         $unread_qpart = "true";
2607                 }
2608
2609                 $age_qpart = getMaxAgeSubquery();
2610
2611                 if ($is_cat) {
2612                         return getCategoryUnread($link, $n_feed, $owner_uid);           
2613                 } if ($feed != "0" && $n_feed == 0) {
2614
2615                         $feed = db_escape_string($feed);
2616
2617                         $result = db_query($link, "SELECT SUM((SELECT COUNT(int_id)
2618                                 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id 
2619                                         AND ref_id = id AND $age_qpart
2620                                         AND $unread_qpart)) AS count FROM ttrss_tags 
2621                                 WHERE owner_uid = $owner_uid AND tag_name = '$feed'");
2622                         return db_fetch_result($result, 0, "count");
2623
2624                 } else if ($n_feed == -1) {
2625                         $match_part = "marked = true";
2626                 } else if ($n_feed == -2) {
2627                         $match_part = "published = true";
2628                 } else if ($n_feed == -3) {
2629                         $match_part = "unread = true";
2630
2631                         $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
2632
2633                         if (DB_TYPE == "pgsql") {
2634                                 $match_part .= " AND updated > NOW() - INTERVAL '$intl hour' "; 
2635                         } else {
2636                                 $match_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
2637                         }
2638                 } else if ($n_feed == -4) {
2639                         $match_part = "true";
2640                 } else if ($n_feed >= 0) {
2641
2642                         $result = db_query($link, "SELECT id FROM ttrss_feeds 
2643                                         WHERE parent_feed = '$n_feed'
2644                                         AND owner_uid = " . $owner_uid);
2645
2646                         if (db_num_rows($result) > 0) {
2647
2648                                 $linked_feeds = array();
2649                                 while ($line = db_fetch_assoc($result)) {
2650                                         array_push($linked_feeds, "feed_id = " . $line["id"]);
2651                                 }
2652
2653                                 array_push($linked_feeds, "feed_id = $n_feed");
2654                                 
2655                                 $match_part = implode(" OR ", $linked_feeds);
2656
2657                                 $tmp_result = db_query($link, "SELECT COUNT(int_id) AS unread 
2658                                         FROM ttrss_user_entries,ttrss_entries
2659                                         WHERE   $unread_qpart AND
2660                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2661                                         $age_qpart AND
2662                                         ($match_part) AND
2663                                         owner_uid = " . $owner_uid);
2664
2665                                 $unread = 0;
2666
2667                                 # this needs to be rewritten
2668                                 while ($line = db_fetch_assoc($tmp_result)) {
2669                                         $unread += $line["unread"];
2670                                 }
2671
2672                                 return $unread;
2673
2674                         } else {
2675                                 if ($n_feed != 0) {
2676                                         $match_part = "feed_id = '$n_feed'";
2677                                 } else {
2678                                         $match_part = "feed_id IS NULL";
2679                                 }
2680                         }
2681                 } else if ($feed < -10) {
2682
2683                         $label_id = -$feed - 11;
2684
2685                         return getLabelUnread($link, $label_id, $owner_uid);
2686
2687                 }
2688
2689                 if ($match_part) {
2690
2691                         if ($n_feed != 0) {
2692                                 $from_qpart = "ttrss_user_entries,ttrss_feeds,ttrss_entries";
2693                                 $feeds_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
2694                         } else {
2695                                 $from_qpart = "ttrss_user_entries,ttrss_entries";
2696                         }
2697
2698                         $query = "SELECT count(int_id) AS unread 
2699                                 FROM $from_qpart WHERE
2700                                 ttrss_user_entries.ref_id = ttrss_entries.id AND 
2701                                 $age_qpart AND
2702                                 $feeds_qpart
2703                                 $unread_qpart AND ($match_part) AND ttrss_user_entries.owner_uid = $owner_uid";
2704
2705                         $result = db_query($link, $query);
2706                                 
2707                 } else {
2708                 
2709                         $result = db_query($link, "SELECT COUNT(post_int_id) AS unread
2710                                 FROM ttrss_tags,ttrss_user_entries,ttrss_entries 
2711                                 WHERE tag_name = '$feed' AND post_int_id = int_id AND ref_id = ttrss_entries.id 
2712                                 AND $unread_qpart AND $age_qpart AND
2713                                         ttrss_tags.owner_uid = " . $owner_uid);
2714                 }
2715                 
2716                 $unread = db_fetch_result($result, 0, "unread");
2717
2718                 return $unread;
2719         }
2720
2721         function getGlobalUnread($link, $user_id = false) {
2722
2723                 if (!$user_id) {
2724                         $user_id = $_SESSION["uid"];
2725                 }
2726
2727                 $result = db_query($link, "SELECT SUM(value) AS c_id FROM ttrss_counters_cache
2728                         WHERE owner_uid = '$user_id' AND feed_id > 0");
2729
2730                 $c_id = db_fetch_result($result, 0, "c_id"); 
2731
2732                 return $c_id;
2733         }
2734
2735         function getGlobalCounters($link, $global_unread = -1) {
2736                 if ($global_unread == -1) {     
2737                         $global_unread = getGlobalUnread($link);
2738                 }
2739                 print "<counter type=\"global\" id='global-unread' 
2740                         counter='$global_unread'/>";
2741
2742                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM 
2743                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2744
2745                 $subscribed_feeds = db_fetch_result($result, 0, "fn");
2746
2747                 print "<counter type=\"global\" id='subscribed-feeds' 
2748                         counter='$subscribed_feeds'/>";
2749
2750         }
2751
2752         function getSubscribedFeeds($link) {
2753                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM 
2754                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2755
2756                 return db_fetch_result($result, 0, "fn");
2757         }
2758
2759         function getTagCounters($link) {
2760
2761                 $age_qpart = getMaxAgeSubquery();
2762
2763                 $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id) 
2764                         FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id 
2765                                 AND ref_id = id AND $age_qpart
2766                                 AND unread = true)) AS count FROM ttrss_tags 
2767                                 WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name 
2768                                 ORDER BY count DESC LIMIT 55");
2769                         
2770                 $tags = array();
2771
2772                 while ($line = db_fetch_assoc($result)) {
2773                         $tags[$line["tag_name"]] += $line["count"];
2774                 }
2775
2776                 foreach (array_keys($tags) as $tag) {
2777                         $unread = $tags[$tag];                  
2778                         $tag = htmlspecialchars($tag);
2779                         print "<counter type=\"tag\" id=\"$tag\" counter=\"$unread\"/>";
2780                 } 
2781         }
2782
2783         function getVirtCounters($link, $ret_mode = false) {
2784
2785                 $ret_arr = array();
2786
2787                 for ($i = 0; $i >= -4; $i--) {
2788
2789                         $count = getFeedUnread($link, $i);
2790         
2791                         if (!$ret_mode) {
2792         
2793                                 if (get_pref($link, 'EXTENDED_FEEDLIST')) {
2794                                         $xmsg_part = "xmsg=\"(" . getFeedArticles($link, $i) . " total)\"";
2795                                 } else {
2796                                         $xmsg_part = "";
2797                                 }
2798
2799                                 print "<counter type=\"label\" id=\"$i\" counter=\"$count\" $xmsg_part/>";
2800                         } else {
2801                                 $ret_arr[$i]["counter"] = $count;
2802                                 $ret_arr[$i]["description"] = getFeedTitle($link, $i);
2803                         }
2804                 } 
2805
2806                 return $ret_arr;
2807         }
2808
2809         function getLabelCounters($link, $ret_mode = false) {
2810
2811                 $age_qpart = getMaxAgeSubquery();
2812
2813                 $owner_uid = $_SESSION["uid"];
2814
2815                 $result = db_query($link, "SELECT id, caption FROM ttrss_labels2
2816                         WHERE owner_uid = '$owner_uid'");
2817         
2818                 while ($line = db_fetch_assoc($result)) {
2819
2820                         $id = -$line["id"] - 11;
2821
2822                         $label_name = $line["caption"];
2823                         $count = getFeedUnread($link, $id);
2824         
2825                         if (!$ret_mode) {
2826
2827                                 if (get_pref($link, 'EXTENDED_FEEDLIST')) {
2828                                         $xmsg_part = "xmsg=\"(" . getFeedArticles($link, $id) . " total)\"";
2829                                 } else {
2830                                         $xmsg_part = "";
2831                                 }
2832
2833                                 print "<counter type=\"label\" id=\"$id\" counter=\"$count\" $xmsg_part/>";
2834
2835                         } else {
2836                                 $ret_arr[$id]["counter"] = $count;
2837                                 $ret_arr[$id]["description"] = $label_name;
2838                         }
2839                 }
2840         
2841                 return $ret_arr;
2842         }
2843
2844         function getFeedCounters($link, $active_feed = false) {
2845
2846                 $age_qpart = getMaxAgeSubquery();
2847
2848                 $query = "SELECT ttrss_feeds.id,
2849                                 ttrss_feeds.title,
2850                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated, 
2851                                 last_error, value AS count
2852                         FROM ttrss_feeds, ttrss_counters_cache
2853                         WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."  
2854                                 AND parent_feed IS NULL 
2855                                 AND ttrss_counters_cache.feed_id = id";
2856
2857                 $result = db_query($link, $query);
2858                 $fctrs_modified = false;
2859
2860                 $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
2861
2862                 while ($line = db_fetch_assoc($result)) {
2863                 
2864                         $id = $line["id"];
2865                         $count = $line["count"];
2866                         $last_error = htmlspecialchars($line["last_error"]);
2867
2868                         if (get_pref($link, 'HEADLINES_SMART_DATE')) {
2869                                 $last_updated = smart_date_time(strtotime($line["last_updated"]));
2870                         } else {
2871                                 $last_updated = date($short_date, strtotime($line["last_updated"]));
2872                         }                               
2873
2874                         $last_updated = htmlspecialchars($last_updated);
2875
2876                         $has_img = feed_has_icon($id);
2877
2878                         $tmp_result = db_query($link,
2879                                 "SELECT SUM(value) AS unread FROM ttrss_feeds, ttrss_counters_cache 
2880                                         WHERE parent_feed = '$id' AND feed_id = id");
2881
2882                         $count += db_fetch_result($tmp_result, 0, "unread");
2883
2884                         if ($last_error) {
2885                                 $error_part = "error=\"$last_error\"";
2886                         } else {
2887                                 $error_part = "";
2888                         }
2889
2890                         if ($has_img) {
2891                                 $has_img_part = "hi=\"$has_img\"";
2892                         } else {
2893                                 $has_img_part = "";
2894                         }                               
2895
2896                         if ($active_feed && $id == $active_feed) {
2897                                 $has_title_part = "title=\"" . htmlspecialchars($line["title"]) . "\"";
2898                         } else {
2899                                 $has_title_part = "";
2900                         }
2901
2902                         if (get_pref($link, 'EXTENDED_FEEDLIST')) {
2903                                 $xmsg_part = "xmsg=\"(" . getFeedArticles($link, $id) . " total)\"";
2904                         }
2905
2906                         print "<counter type=\"feed\" id=\"$id\" counter=\"$count\" $has_img_part $error_part updated=\"$last_updated\" $xmsg_part $has_title_part/>";
2907                 }
2908         }
2909
2910         function get_script_dt_add() {
2911 /*              if (strpos(VERSION, ".99") === false) {
2912                         return VERSION;
2913                 } else {
2914                         return time();
2915                 } */
2916                 return time();
2917         }
2918
2919         function get_pgsql_version($link) {
2920                 $result = db_query($link, "SELECT version() AS version");
2921                 $version = split(" ", db_fetch_result($result, 0, "version"));
2922                 return $version[1];
2923         }
2924
2925         function print_error_xml($code, $add_msg = "") {
2926                 global $ERRORS;
2927
2928                 $error_msg = $ERRORS[$code];
2929                 
2930                 if ($add_msg) {
2931                         $error_msg = "$error_msg; $add_msg";
2932                 }
2933                 
2934                 print "<rpc-reply>";
2935                 print "<error error-code=\"$code\" error-msg=\"$error_msg\"/>";
2936                 print "</rpc-reply>";
2937         }
2938
2939         function subscribe_to_feed($link, $url, $cat_id = 0, 
2940                         $auth_login = '', $auth_pass = '') {
2941
2942                 $parts = parse_url($url);
2943
2944                 if (!validate_feed_url($url)) return 2;
2945
2946                 if ($parts['scheme'] == 'feed') $parts['scheme'] = 'http';
2947
2948                 $url = make_url_from_parts($parts);
2949
2950                 if ($cat_id == "0" || !$cat_id) {
2951                         $cat_qpart = "NULL";
2952                 } else {
2953                         $cat_qpart = "'$cat_id'";
2954                 }
2955         
2956                 $result = db_query($link,
2957                         "SELECT id FROM ttrss_feeds 
2958                         WHERE feed_url = '$url' AND owner_uid = ".$_SESSION["uid"]);
2959         
2960                 if (db_num_rows($result) == 0) {
2961                         
2962                         $result = db_query($link,
2963                                 "INSERT INTO ttrss_feeds 
2964                                         (owner_uid,feed_url,title,cat_id, auth_login,auth_pass) 
2965                                 VALUES ('".$_SESSION["uid"]."', '$url', 
2966                                 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass')");
2967         
2968                         $result = db_query($link,
2969                                 "SELECT id FROM ttrss_feeds WHERE feed_url = '$url' 
2970                                         AND owner_uid = " . $_SESSION["uid"]);
2971         
2972                         $feed_id = db_fetch_result($result, 0, "id");
2973         
2974                         if ($feed_id) {
2975                                 update_rss_feed($link, $feed_id, true);
2976                         }
2977
2978                         return 1;
2979                 } else {
2980                         return 0;
2981                 }
2982         }
2983
2984         function print_feed_select($link, $id, $default_id = "", 
2985                 $attributes = "", $include_all_feeds = true) {
2986
2987                 print "<select id=\"$id\" name=\"$id\" $attributes>";
2988                 if ($include_all_feeds) { 
2989                         print "<option value=\"0\">".__('All feeds')."</option>";
2990                 }
2991         
2992                 $result = db_query($link, "SELECT id,title FROM ttrss_feeds
2993                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2994
2995                 if (db_num_rows($result) > 0 && $include_all_feeds) {
2996                         print "<option disabled>--------</option>";
2997                 }
2998
2999                 while ($line = db_fetch_assoc($result)) {
3000                         if ($line["id"] == $default_id) {
3001                                 $is_selected = "selected";
3002                         } else {
3003                                 $is_selected = "";
3004                         }
3005
3006                         $title = truncate_string(htmlspecialchars($line["title"]), 40);
3007
3008                         printf("<option $is_selected value='%d'>%s</option>", 
3009                                 $line["id"], $title);
3010                 }
3011         
3012                 print "</select>";
3013         }
3014
3015         function print_feed_cat_select($link, $id, $default_id = "", 
3016                 $attributes = "", $include_all_cats = true) {
3017                 
3018                 print "<select id=\"$id\" name=\"$id\" $attributes>";
3019
3020                 if ($include_all_cats) {
3021                         print "<option value=\"0\">".__('Uncategorized')."</option>";
3022                 }
3023
3024                 $result = db_query($link, "SELECT id,title FROM ttrss_feed_categories
3025                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
3026
3027                 if (db_num_rows($result) > 0 && $include_all_cats) {
3028                         print "<option disabled>--------</option>";
3029                 }
3030
3031                 while ($line = db_fetch_assoc($result)) {
3032                         if ($line["id"] == $default_id) {
3033                                 $is_selected = "selected";
3034                         } else {
3035                                 $is_selected = "";
3036                         }
3037                         printf("<option $is_selected value='%d'>%s</option>", 
3038                                 $line["id"], htmlspecialchars($line["title"]));
3039                 }
3040
3041                 print "</select>";
3042         }
3043         
3044         function checkbox_to_sql_bool($val) {
3045                 return ($val == "on") ? "true" : "false";
3046         }
3047
3048         function getFeedCatTitle($link, $id) {
3049                 if ($id == -1) {
3050                         return __("Special");
3051                 } else if ($id < -10) {
3052                         return __("Labels");
3053                 } else if ($id > 0) {
3054                         $result = db_query($link, "SELECT ttrss_feed_categories.title 
3055                                 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
3056                                         cat_id = ttrss_feed_categories.id");
3057                         if (db_num_rows($result) == 1) {
3058                                 return db_fetch_result($result, 0, "title");
3059                         } else {
3060                                 return __("Uncategorized");
3061                         }
3062                 } else {
3063                         return "getFeedCatTitle($id) failed";
3064                 }
3065
3066         }
3067
3068         function getFeedIcon($id) {
3069                 switch ($id) {
3070                 case 0:
3071                         return "images/archive.png";
3072                         break;
3073                 case -1:
3074                         return "images/mark_set.png";
3075                         break;
3076                 case -2:
3077                         return "images/pub_set.png";
3078                         break;
3079                 case -3:
3080                         return "images/fresh.png";
3081                         break;
3082                 case -4:
3083                         return "images/tag.png";
3084                         break;
3085                 default:
3086                         if ($id < -10) {
3087                                 return "images/label.png";
3088                         } else {
3089                                 return ICONS_URL . "/$id.ico";
3090                         }
3091                         break;
3092                 }
3093         }
3094
3095         function getFeedTitle($link, $id) {
3096                 if ($id == -1) {
3097                         return __("Starred articles");
3098                 } else if ($id == -2) {
3099                         return __("Published articles");
3100                 } else if ($id == -3) {
3101                         return __("Fresh articles");
3102                 } else if ($id == -4) {
3103                         return __("All articles");
3104                 } else if ($id === 0 || $id === "0") {
3105                         return __("Archived articles");
3106                 } else if ($id < -10) {
3107                         $label_id = -$id - 11;
3108                         $result = db_query($link, "SELECT caption FROM ttrss_labels2 WHERE id = '$label_id'");
3109                         if (db_num_rows($result) == 1) {
3110                                 return db_fetch_result($result, 0, "caption");
3111                         } else {
3112                                 return "Unknown label ($label_id)";
3113                         }
3114
3115                 } else if ($id > 0) {
3116                         $result = db_query($link, "SELECT title FROM ttrss_feeds WHERE id = '$id'");
3117                         if (db_num_rows($result) == 1) {
3118                                 return db_fetch_result($result, 0, "title");
3119                         } else {
3120                                 return "Unknown feed ($id)";
3121                         }
3122                 } else {
3123                         return $id;
3124                 }
3125         }
3126
3127         function get_session_cookie_name() {
3128                 return ((!defined('TTRSS_SESSION_NAME')) ? "ttrss_sid" : TTRSS_SESSION_NAME);
3129         }
3130
3131         function print_init_params($link) {
3132                 print "<init-params>";
3133                 if ($_SESSION["stored-params"]) {
3134                         foreach (array_keys($_SESSION["stored-params"]) as $key) {
3135                                 if ($key) {
3136                                         $value = htmlspecialchars($_SESSION["stored-params"][$key]);
3137                                         print "<param key=\"$key\" value=\"$value\"/>";
3138                                 }
3139                         }
3140                 }
3141
3142                 print "<param key=\"theme\" value=\"".get_user_theme($link)."\"/>";
3143                 print "<param key=\"theme_options\" value=\"".get_user_theme_options($link)."\"/>";
3144                 print "<param key=\"daemon_enabled\" value=\"" . ENABLE_UPDATE_DAEMON . "\"/>";
3145                 print "<param key=\"feeds_frame_refresh\" value=\"" . FEEDS_FRAME_REFRESH . "\"/>";
3146                 print "<param key=\"daemon_refresh_only\" value=\"true\"/>";
3147
3148                 print "<param key=\"sign_progress\" value=\"".
3149                         theme_image($link, "images/indicator_white.gif")."\"/>";
3150
3151                 print "<param key=\"sign_progress_tiny\" value=\"".
3152                         theme_image($link, "images/indicator_tiny.gif")."\"/>";
3153
3154                 print "<param key=\"sign_excl\" value=\"".
3155                         theme_image($link, "images/sign_excl.png")."\"/>";
3156
3157                 print "<param key=\"sign_info\" value=\"".
3158                         theme_image($link, "images/sign_info.png")."\"/>";
3159
3160                 print "<param key=\"on_catchup_show_next_feed\" value=\"" . 
3161                         get_pref($link, "ON_CATCHUP_SHOW_NEXT_FEED") . "\"/>";
3162
3163                 print "<param key=\"hide_read_feeds\" value=\"" . 
3164                         (int) get_pref($link, "HIDE_READ_FEEDS") . "\"/>";
3165
3166                 print "<param key=\"enable_feed_cats\" value=\"" . 
3167                         (int) get_pref($link, "ENABLE_FEED_CATS") . "\"/>";
3168
3169                 print "<param key=\"feeds_sort_by_unread\" value=\"" . 
3170                         (int) get_pref($link, "FEEDS_SORT_BY_UNREAD") . "\"/>";
3171
3172                 print "<param key=\"confirm_feed_catchup\" value=\"" . 
3173                         (int) get_pref($link, "CONFIRM_FEED_CATCHUP") . "\"/>";
3174
3175                 print "<param key=\"cdm_auto_catchup\" value=\"" . 
3176                         (int) get_pref($link, "CDM_AUTO_CATCHUP") . "\"/>";
3177
3178                 print "<param key=\"fresh_article_max_age\" value=\"" . 
3179                         (int) get_pref($link, "FRESH_ARTICLE_MAX_AGE") . "\"/>";
3180
3181                 print "<param key=\"icons_url\" value=\"" . ICONS_URL . "\"/>";
3182
3183                 print "<param key=\"cookie_lifetime\" value=\"" . SESSION_COOKIE_LIFETIME . "\"/>";
3184
3185                 print "<param key=\"default_view_mode\" value=\"" . 
3186                         get_pref($link, "_DEFAULT_VIEW_MODE") . "\"/>";
3187
3188                 print "<param key=\"default_view_limit\" value=\"" . 
3189                         (int) get_pref($link, "_DEFAULT_VIEW_LIMIT") . "\"/>";
3190
3191                 print "<param key=\"default_view_order_by\" value=\"" . 
3192                         get_pref($link, "_DEFAULT_VIEW_ORDER_BY") . "\"/>";
3193
3194                 print "<param key=\"prefs_active_tab\" value=\"" . 
3195                         get_pref($link, "_PREFS_ACTIVE_TAB") . "\"/>";
3196
3197                 print "<param key=\"infobox_disable_overlay\" value=\"" . 
3198                         get_pref($link, "_INFOBOX_DISABLE_OVERLAY") . "\"/>";
3199
3200                 print "<param key=\"icons_location\" value=\"" . 
3201                         ICONS_URL . "\"/>";
3202
3203                 print "<param key=\"hide_read_shows_special\" value=\"" . 
3204                         (int) get_pref($link, "HIDE_READ_SHOWS_SPECIAL") . "\"/>";
3205
3206                 print "<param key=\"hide_feedlist\" value=\"" .
3207                         (int) get_pref($link, "HIDE_FEEDLIST") . "\"/>";
3208
3209                 print "<param key=\"bw_limit\" value=\"".
3210                         (int) $_SESSION["bw_limit"]."\"/>";
3211
3212 //              print "<param key=\"sync_counters\" value=\"" . 
3213 //                      (int) get_pref($link, "SYNC_COUNTERS") . "\"/>";
3214
3215                 print "<param key=\"sync_counters\" value=\"1\"/>";
3216
3217                 print "<param key=\"offline_enabled\" value=\"".
3218                         (int) get_pref($link, "ENABLE_OFFLINE_READING") . "\"/>";
3219
3220                 $result = db_query($link, "SELECT COUNT(*) AS cf FROM
3221                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
3222
3223                 $num_feeds = db_fetch_result($result, 0, "cf");
3224
3225                 print "<param key=\"num_feeds\" value=\"".
3226                         (int)$num_feeds. "\"/>";
3227
3228                 print "<param key=\"collapsed_feedlist\" value=\"" . 
3229                         (int) get_pref($link, "_COLLAPSED_FEEDLIST") . "\"/>";
3230
3231                 print "</init-params>";
3232         }
3233
3234         function print_runtime_info($link) {
3235                 print "<runtime-info>";
3236
3237                 $result = db_query($link, "SELECT COUNT(*) AS cf FROM
3238                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
3239
3240                 $num_feeds = db_fetch_result($result, 0, "cf");
3241
3242                 print "<param key=\"num_feeds\" value=\"".
3243                         (int)$num_feeds. "\"/>";
3244
3245                 if (ENABLE_UPDATE_DAEMON) {
3246                         print "<param key=\"daemon_is_running\" value=\"".
3247                                 (int) file_is_locked("update_daemon.lock") . "\"/>";
3248
3249                         if (time() - $_SESSION["daemon_stamp_check"] > 30) {
3250
3251                                 $stamp = (int)read_stampfile("update_daemon.stamp");
3252
3253 //                              print "<param key=\"daemon_stamp_delta\" value=\"$stamp_delta\"/>";
3254
3255                                 if ($stamp) {
3256                                         $stamp_delta = time() - $stamp;
3257
3258                                         if ($stamp_delta > 1800) {
3259                                                 $stamp_check = 0;
3260                                         } else {
3261                                                 $stamp_check = 1;
3262                                                 $_SESSION["daemon_stamp_check"] = time();
3263                                         }
3264
3265                                         print "<param key=\"daemon_stamp_ok\" value=\"$stamp_check\"/>";
3266
3267                                         $stamp_fmt = date("Y.m.d, G:i", $stamp);
3268
3269                                         print "<param key=\"daemon_stamp\" value=\"$stamp_fmt\"/>";
3270                                 }
3271                         }
3272                 }
3273
3274                 if (CHECK_FOR_NEW_VERSION && $_SESSION["access_level"] >= 10) {
3275                         
3276                         if ($_SESSION["last_version_check"] + 86400 + rand(-1000, 1000) < time()) {
3277                                 $new_version_details = check_for_update($link);
3278
3279                                 print "<param key=\"new_version_available\" value=\"".
3280                                         sprintf("%d", $new_version_details != ""). "\"/>";
3281
3282                                 $_SESSION["last_version_check"] = time();
3283                         }
3284                 }
3285
3286 //              print "<param key=\"new_version_available\" value=\"1\"/>";
3287
3288                 print "</runtime-info>";
3289         }
3290
3291         function getSearchSql($search, $match_on) {
3292
3293                 $search_query_part = "";
3294
3295                 $keywords = split(" ", $search);
3296                 $query_keywords = array();
3297
3298                 if ($match_on == "both") {
3299
3300                         foreach ($keywords as $k) {
3301                                 if (strpos($k, "-") === 0) {
3302                                         $k = substr($k, 1);
3303                                         $not = "NOT";
3304                                 } else {
3305                                         $not = "";
3306                                 }
3307
3308                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
3309                                         OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
3310                         }
3311
3312                         $search_query_part = implode("AND", $query_keywords) . " AND ";
3313
3314                 } else if ($match_on == "title") {
3315
3316                         foreach ($keywords as $k) {
3317                                 if (strpos($k, "-") === 0) {
3318                                         $k = substr($k, 1);
3319                                         $not = "NOT";
3320                                 } else {
3321                                         $not = "";
3322                                 }
3323
3324                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%'))");
3325                         }
3326
3327                         $search_query_part = implode("AND", $query_keywords) . " AND ";
3328
3329                 } else if ($match_on == "content") {
3330
3331                         foreach ($keywords as $k) {
3332                                 if (strpos($k, "-") === 0) {
3333                                         $k = substr($k, 1);
3334                                         $not = "NOT";
3335                                 } else {
3336                                         $not = "";
3337                                 }
3338
3339                                 array_push($query_keywords, "(UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
3340                         }
3341                 }
3342
3343                 $search_query_part = implode("AND", $query_keywords);
3344
3345                 return $search_query_part;
3346         }
3347
3348         function queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view, $search, $search_mode, $match_on, $override_order = false, $offset = 0, $owner_uid = 0) {
3349
3350                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3351
3352                         if ($search) {
3353                         
3354                                 $search_query_part = getSearchSql($search, $match_on);
3355                                 $search_query_part .= " AND ";
3356
3357                         } else {
3358                                 $search_query_part = "";
3359                         }
3360
3361                         $view_query_part = "";
3362         
3363                         if ($view_mode == "adaptive" || $view_query_part == "noscores") {
3364                                 if ($search) {
3365                                         $view_query_part = " ";
3366                                 } else if ($feed != -1) {
3367                                         $unread = getFeedUnread($link, $feed, $cat_view);
3368                                         if ($unread > 0) {
3369                                                 $view_query_part = " unread = true AND ";
3370                                         }
3371                                 }
3372                         }
3373         
3374                         if ($view_mode == "marked") {
3375                                 $view_query_part = " marked = true AND ";
3376                         }
3377         
3378                         if ($view_mode == "unread") {
3379                                 $view_query_part = " unread = true AND ";
3380                         }
3381
3382                         if ($view_mode == "updated") {
3383                                 $view_query_part = " (last_read is null and unread = false) AND ";
3384                         }
3385
3386                         if ($limit > 0) {
3387                                 $limit_query_part = "LIMIT " . $limit;
3388                         } 
3389
3390                         $vfeed_query_part = "";
3391         
3392                         // override query strategy and enable feed display when searching globally
3393                         if ($search && $search_mode == "all_feeds") {
3394                                 $query_strategy_part = "ttrss_entries.id > 0";
3395                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";         
3396                         /* tags */
3397                         } else if (preg_match("/^-?[0-9][0-9]*$/", $feed) == false) {
3398                                 $query_strategy_part = "ttrss_entries.id > 0";
3399                                 $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
3400                                         id = feed_id) as feed_title,";
3401                         } else if ($feed > 0 && $search && $search_mode == "this_cat") {
3402         
3403                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";         
3404
3405                                 $tmp_result = false;
3406
3407                                 if ($cat_view) {
3408                                         $tmp_result = db_query($link, "SELECT id 
3409                                                 FROM ttrss_feeds WHERE cat_id = '$feed'");
3410                                 } else {
3411                                         $tmp_result = db_query($link, "SELECT id
3412                                                 FROM ttrss_feeds WHERE cat_id = (SELECT cat_id FROM ttrss_feeds 
3413                                                         WHERE id = '$feed') AND id != '$feed'");
3414                                 }
3415         
3416                                 $cat_siblings = array();
3417         
3418                                 if (db_num_rows($tmp_result) > 0) {
3419                                         while ($p = db_fetch_assoc($tmp_result)) {
3420                                                 array_push($cat_siblings, "feed_id = " . $p["id"]);
3421                                         }
3422         
3423                                         $query_strategy_part = sprintf("(feed_id = %d OR %s)", 
3424                                                 $feed, implode(" OR ", $cat_siblings));
3425         
3426                                 } else {
3427                                         $query_strategy_part = "ttrss_entries.id > 0";
3428                                 }
3429                                 
3430                         } else if ($feed > 0) {
3431         
3432                                 if ($cat_view) {
3433
3434                                         if ($feed > 0) {
3435                                                 $query_strategy_part = "cat_id = '$feed'";
3436                                         } else {
3437                                                 $query_strategy_part = "cat_id IS NULL";
3438                                         }
3439         
3440                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3441
3442                                 } else {                
3443                                         $tmp_result = db_query($link, "SELECT id 
3444                                                 FROM ttrss_feeds WHERE parent_feed = '$feed'
3445                                                 ORDER BY cat_id,title");
3446                 
3447                                         $parent_ids = array();
3448                 
3449                                         if (db_num_rows($tmp_result) > 0) {
3450                                                 while ($p = db_fetch_assoc($tmp_result)) {
3451                                                         array_push($parent_ids, "feed_id = " . $p["id"]);
3452                                                 }
3453                 
3454                                                 $query_strategy_part = sprintf("(feed_id = %d OR %s)", 
3455                                                         $feed, implode(" OR ", $parent_ids));
3456                 
3457                                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3458                                         } else {
3459                                                 $query_strategy_part = "feed_id = '$feed'";
3460                                         }
3461                                 }
3462                         } else if ($feed == 0 && !$cat_view) { // archive virtual feed
3463                                 $query_strategy_part = "feed_id IS NULL";
3464                         } else if ($feed == 0 && $cat_view) { // uncategorized
3465                                 $query_strategy_part = "cat_id IS NULL";
3466                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3467                         } else if ($feed == -1) { // starred virtual feed
3468                                 $query_strategy_part = "marked = true";
3469                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3470                         } else if ($feed == -2) { // published virtual feed OR labels category
3471
3472                                 if (!$cat_view) {
3473                                         $query_strategy_part = "published = true";
3474                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3475                                 } else {
3476                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3477
3478                                         $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
3479         
3480                                         $query_strategy_part = "ttrss_labels2.id = ttrss_user_labels2.label_id AND
3481                                                 ttrss_user_labels2.article_id = ref_id";
3482
3483                                 }
3484
3485                         } else if ($feed == -3) { // fresh virtual feed
3486                                 $query_strategy_part = "unread = true";
3487
3488                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
3489
3490                                 if (DB_TYPE == "pgsql") {
3491                                         $query_strategy_part .= " AND updated > NOW() - INTERVAL '$intl hour' "; 
3492                                 } else {
3493                                         $query_strategy_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
3494                                 }
3495
3496                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3497                         } else if ($feed == -4) { // all articles virtual feed
3498                                 $query_strategy_part = "true";
3499                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3500                         } else if ($feed <= -10) { // labels
3501                                 $label_id = -$feed - 11;
3502
3503                                 $query_strategy_part = "label_id = '$label_id' AND
3504                                         ttrss_labels2.id = ttrss_user_labels2.label_id AND
3505                                         ttrss_user_labels2.article_id = ref_id";
3506
3507                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3508                                 $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
3509  
3510                         } else {
3511                                 $query_strategy_part = "id > 0"; // dumb
3512                         }
3513
3514                         if (get_pref($link, 'REVERSE_HEADLINES', $owner_uid)) {
3515                                 $order_by = "date_entered";
3516                         } else {        
3517                                 $order_by = "date_entered DESC";
3518                         }
3519
3520                         if ($view_mode != "noscores") {
3521                                 $order_by = "score DESC, $order_by";
3522                         }
3523
3524                         if ($override_order) {
3525                                 $order_by = $override_order;
3526                         }
3527         
3528                         $feed_title = "";
3529
3530                         if ($search) {
3531                                 $feed_title = "Search results";
3532                         } else {
3533                                 if ($cat_view) {
3534                                         $feed_title = getCategoryTitle($link, $feed);
3535                                 } else {
3536                                         if ((int)$feed == $feed && $feed > 0) {
3537                                                 $result = db_query($link, "SELECT title,site_url,last_error 
3538                                                         FROM ttrss_feeds WHERE id = '$feed' AND owner_uid = $owner_uid");
3539                 
3540                                                 $feed_title = db_fetch_result($result, 0, "title");
3541                                                 $feed_site_url = db_fetch_result($result, 0, "site_url");
3542                                                 $last_error = db_fetch_result($result, 0, "last_error");
3543                                         } else {
3544                                                 $feed_title = getFeedTitle($link, $feed);
3545                                         } 
3546                                 }
3547                         }
3548
3549                         $content_query_part = "content as content_preview,";
3550
3551                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
3552         
3553                                 if ($feed >= 0) {
3554                                         $feed_kind = "Feeds";
3555                                 } else {
3556                                         $feed_kind = "Labels";
3557                                 }
3558         
3559                                 if ($limit_query_part) {
3560                                         $offset_query_part = "OFFSET $offset";
3561                                 }
3562
3563                                 if ($vfeed_query_part && get_pref($link, 'VFEED_GROUP_BY_FEED', $owner_uid)) {
3564                                         if (!$override_order) {
3565                                                 $order_by = "ttrss_feeds.title, $order_by";     
3566                                         }
3567                                 }
3568
3569                                 if ($feed != "0") {
3570                                         $from_qpart = "ttrss_entries,ttrss_user_entries,ttrss_feeds$ext_tables_part";
3571                                         $feed_check_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
3572
3573                                 } else {
3574                                         $from_qpart = "ttrss_entries,ttrss_user_entries$ext_tables_part
3575                                                 LEFT JOIN ttrss_feeds ON (feed_id = ttrss_feeds.id)";
3576                                 }
3577
3578                                 $query = "SELECT DISTINCT 
3579                                                 guid,
3580                                                 ttrss_entries.id,ttrss_entries.title,
3581                                                 updated,
3582                                                 note,
3583                                                 unread,feed_id,marked,published,link,last_read,orig_feed_id,
3584                                                 ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3585                                                 $vfeed_query_part
3586                                                 $content_query_part
3587                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
3588                                                 author,score
3589                                         FROM
3590                                                 $from_qpart
3591                                         WHERE
3592                                         $group_limit_part
3593                                         $feed_check_qpart
3594                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
3595                                         ttrss_user_entries.owner_uid = '$owner_uid' AND
3596                                         $search_query_part
3597                                         $view_query_part
3598                                         $query_strategy_part ORDER BY $order_by
3599                                         $limit_query_part $offset_query_part";
3600
3601                                 if ($_REQUEST["debug"]) print $query;
3602
3603                                 $result = db_query($link, $query);
3604         
3605                         } else {
3606                                 // browsing by tag
3607         
3608                                 $feed_kind = "Tags";
3609         
3610                                 $result = db_query($link, "SELECT
3611                                         guid,
3612                                         note,
3613                                         ttrss_entries.id as id,title,
3614                                         updated,
3615                                         unread,feed_id,orig_feed_id,
3616                                         marked,link,last_read,                          
3617                                         ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3618                                         $vfeed_query_part
3619                                         $content_query_part
3620                                         ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
3621                                         score
3622                                         FROM
3623                                                 ttrss_entries,ttrss_user_entries,ttrss_tags
3624                                         WHERE
3625                                                 ref_id = ttrss_entries.id AND 
3626                                                 ttrss_user_entries.owner_uid = '$owner_uid' AND
3627                                                 post_int_id = int_id AND tag_name = '$feed' AND
3628                                                 $view_query_part
3629                                                 $search_query_part
3630                                                 $query_strategy_part ORDER BY $order_by
3631                                         $limit_query_part");    
3632                         }
3633
3634                         return array($result, $feed_title, $feed_site_url, $last_error);
3635                 
3636         }
3637
3638         function generate_syndicated_feed($link, $owner_uid, $feed, $is_cat,
3639                 $limit, $search, $search_mode, $match_on) {
3640
3641                 $note_style =   "float : right; background-color : #fff7d5; border-width : 1px; ".
3642                         "padding : 5px; border-style : dashed; border-color : #e7d796;".
3643                         "margin-bottom : 1em; color : #9a8c59;";
3644
3645                 if (!$limit) $limit = 30;
3646
3647                 $qfh_ret = queryFeedHeadlines($link, $feed, 
3648                         $limit, false, $is_cat, $search, $search_mode, $match_on, "date_entered DESC", 0,
3649                         $owner_uid);
3650
3651                 $result = $qfh_ret[0];
3652                 $feed_title = htmlspecialchars($qfh_ret[1]);
3653                 $feed_site_url = $qfh_ret[2];
3654                 $last_error = $qfh_ret[3];
3655
3656 //              if (!$feed_site_url) $feed_site_url = "http://localhost/";
3657
3658                 print "<?xml version=\"1.0\" encoding=\"utf-8\"?>
3659                         <?xml-stylesheet type=\"text/xsl\" href=\"rss.xsl\"?>
3660                         <rss version=\"2.0\">
3661                         <channel>
3662                         <title>$feed_title</title>
3663                         <link>$feed_site_url</link>
3664                         <description>Feed generated by Tiny Tiny RSS</description>";
3665  
3666                 while ($line = db_fetch_assoc($result)) {
3667                         print "<item>";
3668                         print "<guid>" . htmlspecialchars($line["guid"]) . "</guid>";
3669                         print "<link>" . htmlspecialchars($line["link"]) . "</link>";
3670
3671                         $tags = get_article_tags($link, $line["id"], $owner_uid);
3672
3673                         foreach ($tags as $tag) {
3674                                 print "<category>" . htmlspecialchars($tag) . "</category>";
3675                         }
3676
3677                         $rfc822_date = date('r', strtotime($line["updated"]));
3678   
3679                         print "<pubDate>$rfc822_date</pubDate>";
3680
3681                         if ($line["author"]) {
3682                                 print "<author>" . htmlspecialchars($line["author"]) . "</author>";
3683                         }
3684  
3685                         print "<title>" . 
3686                                 htmlspecialchars($line["title"]) . "</title>";
3687   
3688                         print "<description><![CDATA[";
3689
3690                         if ($line["note"]) {
3691                                 print "<div style='$note_style'>";
3692                                 print $line["note"];
3693                                 print "</div>";
3694                         }
3695
3696                         print sanitize_rss($link, $line["content_preview"], false, $owner_uid);
3697                         print "]]></description>";
3698   
3699                         print "</item>";
3700                 }
3701   
3702                 print "</channel></rss>";
3703
3704         }
3705
3706         function getCategoryTitle($link, $cat_id) {
3707
3708                 if ($cat_id == -1) {
3709                         return __("Special");
3710                 } else if ($cat_id == -2) {
3711                         return __("Labels");
3712                 } else {
3713
3714                         $result = db_query($link, "SELECT title FROM ttrss_feed_categories WHERE
3715                                 id = '$cat_id'");
3716
3717                         if (db_num_rows($result) == 1) {
3718                                 return db_fetch_result($result, 0, "title");
3719                         } else {
3720                                 return "Uncategorized";
3721                         }
3722                 }
3723         }
3724
3725         function strip_tags_long($string, $allowed) {
3726
3727                 $config = HTMLPurifier_Config::createDefault();
3728
3729                 $config->set('HTML', 'Allowed', $allowed);
3730                 $purifier = new HTMLPurifier($config);
3731
3732                 return $purifier->purify($string);              
3733
3734         }
3735
3736         // http://ru2.php.net/strip-tags
3737
3738 /*      function strip_tags_long($textstring, $allowed){
3739         while($textstring != strip_tags($textstring, $allowed))
3740     {
3741     while (strlen($textstring) != 0)
3742          {
3743          if (strlen($textstring) > 1024) {
3744               $otherlen = 1024;
3745          } else {
3746               $otherlen = strlen($textstring);
3747          }
3748          $temptext = strip_tags(substr($textstring,0,$otherlen), $allowed);
3749          $safetext .= $temptext;
3750          $textstring = substr_replace($textstring,'',0,$otherlen);
3751          }  
3752     $textstring = $safetext;
3753     }
3754         return $textstring;
3755 } */
3756
3757
3758         function sanitize_rss($link, $str, $force_strip_tags = false, $owner = false) {
3759                 $res = $str;
3760
3761                 if (!$owner) $owner = $_SESSION["uid"];
3762
3763                 if (get_pref($link, "STRIP_UNSAFE_TAGS", $owner) || $force_strip_tags) {
3764
3765 //                      $res = strip_tags_long($res, 
3766 //                              "<p><a><i><em><b><strong><code><pre><blockquote><br><img><ul><ol><li>");
3767
3768                         $res = strip_tags_long($res, 
3769                                 "p,a[href],i,em,b,strong,code,pre,blockquote,br,img[src|alt|title],ul,ol,li,h1,h2,h3,h4");
3770
3771                 }
3772
3773                 if (get_pref($link, "STRIP_IMAGES", $owner)) {
3774                         $res = preg_replace('/<img[^>]+>/is', '', $res);
3775                 }
3776
3777                 if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW', $owner)) {
3778                         $res = preg_replace("/href=/i", "target=\"_blank\" href=", $res);
3779                 }
3780
3781                 return $res;
3782         }
3783
3784         /**
3785          * Send by mail a digest of last articles.
3786          * 
3787          * @param mixed $link The database connection.
3788          * @param integer $limit The maximum number of articles by digest.
3789          * @return boolean Return false if digests are not enabled.
3790          */
3791         function send_headlines_digests($link, $limit = 100) {
3792
3793                 if (!DIGEST_ENABLE) return false;
3794
3795                 $user_limit = DIGEST_EMAIL_LIMIT;
3796                 $days = 1;
3797
3798                 print "Sending digests, batch of max $user_limit users, days = $days, headline limit = $limit\n\n";
3799
3800                 if (DB_TYPE == "pgsql") {
3801                         $interval_query = "last_digest_sent < NOW() - INTERVAL '$days days'";
3802                 } else if (DB_TYPE == "mysql") {
3803                         $interval_query = "last_digest_sent < DATE_SUB(NOW(), INTERVAL $days DAY)";
3804                 }
3805
3806                 $result = db_query($link, "SELECT id,email FROM ttrss_users 
3807                                 WHERE email != '' AND (last_digest_sent IS NULL OR $interval_query)");
3808
3809                 while ($line = db_fetch_assoc($result)) {
3810
3811                         if (get_pref($link, 'DIGEST_ENABLE', $line['id'], false)) {
3812                                 print "Sending digest for UID:" . $line['id'] . " - " . $line["email"] . " ... ";
3813
3814                                 $do_catchup = get_pref($link, 'DIGEST_CATCHUP', $line['id'], false);
3815
3816                                 $tuple = prepare_headlines_digest($link, $line["id"], $days, $limit);
3817                                 $digest = $tuple[0];
3818                                 $headlines_count = $tuple[1];
3819                                 $affected_ids = $tuple[2];
3820                                 $digest_text = $tuple[3];
3821
3822                                 if ($headlines_count > 0) {
3823
3824                                         $mail = new PHPMailer();
3825
3826                                         $mail->PluginDir = "lib/phpmailer/";
3827                                         $mail->SetLanguage("en", "lib/phpmailer/language/");
3828
3829                                         $mail->CharSet = "UTF-8";
3830
3831                                         $mail->From = DIGEST_FROM_ADDRESS;
3832                                         $mail->FromName = DIGEST_FROM_NAME;
3833                                         $mail->AddAddress($line["email"], $line["login"]);
3834
3835                                         if (DIGEST_SMTP_HOST) {
3836                                                 $mail->Host = DIGEST_SMTP_HOST;
3837                                                 $mail->Mailer = "smtp";
3838                                                 $mail->SMTPAuth = DIGEST_SMTP_LOGIN != '';
3839                                                 $mail->Username = DIGEST_SMTP_LOGIN;
3840                                                 $mail->Password = DIGEST_SMTP_PASSWORD;
3841                                         }
3842
3843                                         $mail->IsHTML(true);
3844                                         $mail->Subject = DIGEST_SUBJECT;
3845                                         $mail->Body = $digest;
3846                                         $mail->AltBody = $digest_text;
3847
3848                                         $rc = $mail->Send();
3849
3850                                         if (!$rc) print "ERROR: " . $mail->ErrorInfo;
3851
3852                                         print "RC=$rc\n";
3853
3854                                         if ($rc && $do_catchup) {
3855                                                 print "Marking affected articles as read...\n";
3856                                                 catchupArticlesById($link, $affected_ids, 0, $line["id"]);
3857                                         }
3858
3859                                         db_query($link, "UPDATE ttrss_users SET last_digest_sent = NOW() 
3860                                                         WHERE id = " . $line["id"]);
3861                                 } else {
3862                                         print "No headlines\n";
3863                                 }
3864                         }
3865                 }
3866
3867                 print "All done.\n";
3868
3869         }
3870
3871         function prepare_headlines_digest($link, $user_id, $days = 1, $limit = 100) {
3872
3873                 require_once "lib/MiniTemplator.class.php";
3874
3875                 $tpl = new MiniTemplator;
3876                 $tpl_t = new MiniTemplator;
3877
3878                 $tpl->readTemplateFromFile("templates/digest_template_html.txt");
3879                 $tpl_t->readTemplateFromFile("templates/digest_template.txt");
3880
3881                 $tpl->setVariable('CUR_DATE', date('Y/m/d'));
3882                 $tpl->setVariable('CUR_TIME', date('G:i'));
3883
3884                 $tpl_t->setVariable('CUR_DATE', date('Y/m/d'));
3885                 $tpl_t->setVariable('CUR_TIME', date('G:i'));
3886
3887                 $affected_ids = array();
3888
3889                 if (DB_TYPE == "pgsql") {
3890                         $interval_query = "ttrss_entries.date_entered > NOW() - INTERVAL '$days days'";
3891                 } else if (DB_TYPE == "mysql") {
3892                         $interval_query = "ttrss_entries.date_entered > DATE_SUB(NOW(), INTERVAL $days DAY)";
3893                 }
3894
3895                 $result = db_query($link, "SELECT ttrss_entries.title,
3896                                 ttrss_feeds.title AS feed_title,
3897                                 date_entered,
3898                                 ttrss_user_entries.ref_id,
3899                                 link,
3900                                 SUBSTRING(content, 1, 120) AS excerpt,
3901                                 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
3902                         FROM 
3903                                 ttrss_user_entries,ttrss_entries,ttrss_feeds 
3904                         WHERE 
3905                                 ref_id = ttrss_entries.id AND feed_id = ttrss_feeds.id 
3906                                 AND include_in_digest = true
3907                                 AND $interval_query
3908                                 AND ttrss_user_entries.owner_uid = $user_id
3909                                 AND unread = true 
3910                         ORDER BY ttrss_feeds.title, date_entered DESC
3911                         LIMIT $limit");
3912
3913                 $cur_feed_title = "";
3914
3915                 $headlines_count = db_num_rows($result);
3916
3917                 $headlines = array();
3918
3919                 while ($line = db_fetch_assoc($result)) {
3920                         array_push($headlines, $line);
3921                 }
3922
3923                 for ($i = 0; $i < sizeof($headlines); $i++) {   
3924
3925                         $line = $headlines[$i];
3926
3927                         array_push($affected_ids, $line["ref_id"]);
3928
3929                         $updated = smart_date_time(strtotime($line["last_updated"]));
3930
3931                         $tpl->setVariable('FEED_TITLE', $line["feed_title"]);
3932                         $tpl->setVariable('ARTICLE_TITLE', $line["title"]);
3933                         $tpl->setVariable('ARTICLE_LINK', $line["link"]);
3934                         $tpl->setVariable('ARTICLE_UPDATED', $updated);
3935                         $tpl->setVariable('ARTICLE_EXCERPT', 
3936                                 truncate_string(strip_tags($line["excerpt"]), 100));
3937
3938                         $tpl->addBlock('article');
3939
3940                         $tpl_t->setVariable('FEED_TITLE', $line["feed_title"]);
3941                         $tpl_t->setVariable('ARTICLE_TITLE', $line["title"]);
3942                         $tpl_t->setVariable('ARTICLE_LINK', $line["link"]);
3943                         $tpl_t->setVariable('ARTICLE_UPDATED', $updated);
3944 //                      $tpl_t->setVariable('ARTICLE_EXCERPT', 
3945 //                              truncate_string(strip_tags($line["excerpt"]), 100));
3946
3947                         $tpl_t->addBlock('article');
3948
3949                         if ($headlines[$i]['feed_title'] != $headlines[$i+1]['feed_title']) {
3950                                 $tpl->addBlock('feed');
3951                                 $tpl_t->addBlock('feed');
3952                         }
3953
3954                 }
3955
3956                 $tpl->addBlock('digest');
3957                 $tpl->generateOutputToString($tmp);
3958
3959                 $tpl_t->addBlock('digest');
3960                 $tpl_t->generateOutputToString($tmp_t);
3961
3962                 return array($tmp, $headlines_count, $affected_ids, $tmp_t);
3963         }
3964
3965         function check_for_update($link) {
3966                 $releases_feed = "http://tt-rss.org/releases.rss";
3967
3968                 if (!CHECK_FOR_NEW_VERSION || $_SESSION["access_level"] < 10) {
3969                         return;
3970                 }
3971
3972                 error_reporting(0);
3973                 if (DEFAULT_UPDATE_METHOD == "1") {
3974                         $rss = new SimplePie();
3975                         $rss->set_useragent(SIMPLEPIE_USERAGENT . MAGPIE_USER_AGENT_EXT);
3976 //                      $rss->set_timeout(MAGPIE_FETCH_TIME_OUT);
3977                         $rss->set_feed_url($fetch_url);
3978                         $rss->set_output_encoding('UTF-8');
3979                         $rss->init();
3980                 } else {
3981                         $rss = fetch_rss($releases_feed);
3982                 }
3983                 error_reporting (DEFAULT_ERROR_LEVEL);
3984
3985                 if ($rss) {
3986
3987                         if (DEFAULT_UPDATE_METHOD == "1") {
3988                                 $items = $rss->get_items();
3989                         } else {
3990                                 $items = $rss->items;
3991
3992                                 if (!$items || !is_array($items)) $items = $rss->entries;
3993                                 if (!$items || !is_array($items)) $items = $rss;
3994                         }
3995
3996                         if (!is_array($items) || count($items) == 0) {
3997                                 return;
3998                         }                       
3999
4000                         $latest_item = $items[0];
4001
4002                         if (DEFAULT_UPDATE_METHOD == "1") {
4003                                 $last_title = $latest_item->get_title();
4004                         } else {
4005                                 $last_title = $latest_item["title"];
4006                         }
4007
4008                         $latest_version = trim(preg_replace("/(Milestone)|(completed)/", "", $last_title));
4009
4010                         if (DEFAULT_UPDATE_METHOD == "1") {
4011                                 $release_url = sanitize_rss($link, $latest_item->get_link());
4012                                 $content = sanitize_rss($link, $latest_item->get_description());
4013                         } else {
4014                                 $release_url = sanitize_rss($link, $latest_item["link"]);
4015                                 $content = sanitize_rss($link, $latest_item["description"]);
4016                         }
4017
4018                         if (version_compare(VERSION, $latest_version) == -1) {
4019                                 return sprintf("New version of Tiny-Tiny RSS (%s) is available:", 
4020                                         $latest_version)."<div class='milestoneDetails'>$content</div>";
4021                         } else {
4022                                 return false;
4023                         }       
4024                 }
4025         }
4026
4027         function markArticlesById($link, $ids, $cmode) {
4028
4029                 $tmp_ids = array();
4030
4031                 foreach ($ids as $id) {
4032                         array_push($tmp_ids, "ref_id = '$id'");
4033                 }
4034
4035                 $ids_qpart = join(" OR ", $tmp_ids);
4036
4037                 if ($cmode == 0) {
4038                         db_query($link, "UPDATE ttrss_user_entries SET 
4039                         marked = false,last_read = NOW()
4040                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4041                 } else if ($cmode == 1) {
4042                         db_query($link, "UPDATE ttrss_user_entries SET 
4043                         marked = true
4044                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4045                 } else {
4046                         db_query($link, "UPDATE ttrss_user_entries SET 
4047                         marked = NOT marked,last_read = NOW()
4048                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4049                 }
4050         }
4051
4052         function publishArticlesById($link, $ids, $cmode) {
4053
4054                 $tmp_ids = array();
4055
4056                 foreach ($ids as $id) {
4057                         array_push($tmp_ids, "ref_id = '$id'");
4058                 }
4059
4060                 $ids_qpart = join(" OR ", $tmp_ids);
4061
4062                 if ($cmode == 0) {
4063                         db_query($link, "UPDATE ttrss_user_entries SET 
4064                         published = false,last_read = NOW()
4065                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4066                 } else if ($cmode == 1) {
4067                         db_query($link, "UPDATE ttrss_user_entries SET 
4068                         published = true
4069                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4070                 } else {
4071                         db_query($link, "UPDATE ttrss_user_entries SET 
4072                         published = NOT published,last_read = NOW()
4073                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4074                 }
4075         }
4076
4077         function catchupArticlesById($link, $ids, $cmode, $owner_uid = false) {
4078
4079                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
4080                 if (count($ids) == 0) return;
4081
4082                 $tmp_ids = array();
4083
4084                 foreach ($ids as $id) {
4085                         array_push($tmp_ids, "ref_id = '$id'");
4086                 }
4087
4088                 $ids_qpart = join(" OR ", $tmp_ids);
4089
4090                 if ($cmode == 0) {
4091                         db_query($link, "UPDATE ttrss_user_entries SET 
4092                         unread = false,last_read = NOW()
4093                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4094                 } else if ($cmode == 1) {
4095                         db_query($link, "UPDATE ttrss_user_entries SET 
4096                         unread = true
4097                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4098                 } else {
4099                         db_query($link, "UPDATE ttrss_user_entries SET 
4100                         unread = NOT unread,last_read = NOW()
4101                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4102                 }
4103
4104                 /* update ccache */
4105
4106                 $result = db_query($link, "SELECT DISTINCT feed_id FROM ttrss_user_entries
4107                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4108
4109                 while ($line = db_fetch_assoc($result)) {
4110                         ccache_update($link, $line["feed_id"], $owner_uid);
4111                 }
4112         }
4113
4114         function catchupArticleById($link, $id, $cmode) {
4115
4116                 if ($cmode == 0) {
4117                         db_query($link, "UPDATE ttrss_user_entries SET 
4118                         unread = false,last_read = NOW()
4119                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4120                 } else if ($cmode == 1) {
4121                         db_query($link, "UPDATE ttrss_user_entries SET 
4122                         unread = true
4123                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4124                 } else {
4125                         db_query($link, "UPDATE ttrss_user_entries SET 
4126                         unread = NOT unread,last_read = NOW()
4127                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4128                 }
4129
4130                 $feed_id = getArticleFeed($link, $id);
4131                 ccache_update($link, $feed_id, $_SESSION["uid"]);
4132         }
4133
4134         function make_guid_from_title($title) {
4135                 return preg_replace("/[ \"\',.:;]/", "-", 
4136                         mb_strtolower(strip_tags($title), 'utf-8'));
4137         }
4138
4139         function print_headline_subtoolbar($link, $feed_site_url, $feed_title, 
4140                         $feed_id, $is_cat, $search, $match_on,
4141                         $search_mode) {
4142
4143                         print "<div class=\"headlinesSubToolbar\">";
4144
4145                         $page_prev_link = "javascript:viewFeedGoPage(-1)";
4146                         $page_next_link = "javascript:viewFeedGoPage(1)";
4147                         $page_first_link = "javascript:viewFeedGoPage(0)";
4148
4149                         $catchup_page_link = "javascript:catchupPage()";
4150                         $catchup_feed_link = "javascript:catchupCurrentFeed()";
4151                         $catchup_sel_link = "javascript:catchupSelection()";
4152
4153                         $archive_sel_link = "javascript:archiveSelection()";
4154                         $delete_sel_link = "javascript:deleteSelection()";
4155
4156                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
4157
4158                                 $sel_all_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, '', true)";
4159                                 $sel_unread_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true)";
4160                                 $sel_none_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false)";
4161                                 $sel_inv_link = "javascript:invertHeadlineSelection()";
4162
4163                                 $tog_unread_link = "javascript:selectionToggleUnread()";
4164                                 $tog_marked_link = "javascript:selectionToggleMarked()";
4165                                 $tog_published_link = "javascript:selectionTogglePublished()";
4166
4167                         } else {
4168
4169                                 $sel_all_link = "javascript:cdmSelectArticles('all')";
4170                                 $sel_unread_link = "javascript:cdmSelectArticles('unread')";
4171                                 $sel_none_link = "javascript:cdmSelectArticles('none')";
4172
4173                                 $sel_inv_link = "javascript:invertHeadlineSelection()";
4174
4175                                 $tog_unread_link = "javascript:selectionToggleUnread(true)";
4176                                 $tog_marked_link = "javascript:selectionToggleMarked(true)";
4177                                 $tog_published_link = "javascript:selectionTogglePublished(true)";
4178
4179                         }
4180
4181                         print "<div id=\"subtoolbar_ftitle\">";
4182
4183                         if ($feed_site_url) {
4184                                 if (!$bottom) {
4185                                         $target = "target=\"_blank\"";
4186                                 }
4187                                 print "<a $target href=\"$feed_site_url\">".
4188                                         truncate_string($feed_title,30)."</a>";
4189                         } else {
4190                                 if ($feed_id < -10) {
4191                                         $label_id = -11-$feed_id;
4192
4193                                         $result = db_query($link, "SELECT fg_color, bg_color
4194                                                 FROM ttrss_labels2 WHERE id = '$label_id' AND owner_uid = " .
4195                                                 $_SESSION["uid"]);
4196
4197                                         if (db_num_rows($result) != 0) {
4198                                                 $fg_color = db_fetch_result($result, 0, "fg_color");
4199                                                 $bg_color = db_fetch_result($result, 0, "bg_color");
4200
4201                                                 print "<span style='background : $bg_color; color : $fg_color'>";
4202                                                 print $feed_title;
4203                                                 print "</span>";
4204                                         } else {
4205                                                 print $feed_title;
4206                                         }
4207
4208                                 } else {
4209                                         print $feed_title;
4210                                 }
4211                         }
4212
4213                         if ($search) {
4214                                 $search_q = "&q=$search&m=$match_on&smode=$search_mode";
4215                         }
4216
4217                         print "
4218                                 <a target=\"_blank\" 
4219                                         href=\"backend.php?op=rss&id=$feed_id&is_cat=$is_cat$search_q\">
4220                                         <img class=\"noborder\" 
4221                                                 alt=\"".__('Generated feed')."\" src=\"images/feed-icon-12x12.png\">
4222                                                 </a>";
4223
4224                         print "</div>";
4225
4226                         print __('Select:')."
4227                                 <a href=\"$sel_all_link\">".__('All')."</a>,
4228                                 <a href=\"$sel_unread_link\">".__('Unread')."</a>,
4229                                 <a href=\"$sel_inv_link\">".__('Invert')."</a>,
4230                                 <a href=\"$sel_none_link\">".__('None')."</a></li>";
4231
4232                         print "&nbsp;&nbsp;";
4233
4234                         print "<span 
4235                                 onmouseover=\"enable_selection(false)\" 
4236             onmouseout=\"enable_selection(true)\"
4237                                 onclick=\"toggleHeadlineActions()\" id=\"headlineActionsDrop\">".
4238                                 __("Actions...") . "&nbsp;&nbsp;<img width='11' height'7' 
4239                                 src=\"images/down_arrow.png\">
4240                                 </span>";
4241
4242                         print "<ul id=\"headlineActionsBody\" style=\"display : none\">";
4243
4244                         print "<li class=\"insensitive\">".__('Selection toggle:')."</li>
4245                                 <li onclick=\"$tog_unread_link\">&nbsp;&nbsp;".__('Unread')."</li>
4246                                 <li onclick=\"$tog_marked_link\">&nbsp;&nbsp;".__('Starred')."</li>
4247                                 <li onclick=\"$tog_published_link\">&nbsp;&nbsp;".__('Published')."</li>
4248                                 <li class=\"insensitive\">".__('Selection:')."</li>
4249                                 <li onclick=\"$catchup_sel_link\">&nbsp;&nbsp;".__('Mark as read')."</li>";
4250
4251 //                      print "<li onclick=\"$catchup_feed_link\">&nbsp;&nbsp;".__('Entire feed').
4252 //                              "</li>";
4253
4254                         if ($feed_id != "0") {
4255                                 print "<li onclick=\"$archive_sel_link\">&nbsp;&nbsp;".__('Archive')."</li>";
4256                         } else {
4257                                 print "<li onclick=\"$archive_sel_link\">&nbsp;&nbsp;".__('Move back')."</li>";
4258                                 print "<li onclick=\"$delete_sel_link\">&nbsp;&nbsp;".__('Delete')."</li>";
4259
4260                         } 
4261
4262                         //print "<li><span class=\"insensitive\">--------</span></li>";
4263                         print "<li class=\"insensitive\">".__('Assign label:')."</li>";
4264
4265                         print_labels_headlines_dropdown($link, $feed_id);
4266
4267                         print "</ul>";
4268
4269                         print "</div>";
4270                 }
4271
4272         function printCategoryHeader($link, $cat_id, $hidden = false, $can_browse = true) {
4273
4274                         $tmp_category = getCategoryTitle($link, $cat_id);
4275
4276                         if ($cat_id > 0) {
4277                                 $cat_unread = ccache_find($link, $cat_id, $_SESSION["uid"], true);
4278                         } else if ($cat_id == 0 || $cat_id == -2) {
4279                                 $cat_unread = getCategoryUnread($link, $cat_id);
4280                         }
4281
4282                         if ($hidden) {
4283                                 $holder_style = "display:none;";
4284                                 $ellipsis = "…";
4285                         } else {
4286                                 $holder_style = "";
4287                                 $ellipsis = "";
4288                         }
4289
4290                         $catctr_class = ($cat_unread > 0) ? "catCtrHasUnread" : "catCtrNoUnread";
4291
4292                         if ($can_browse) {
4293                                 $browse_cat_link = "onclick=\"javascript:viewCategory($cat_id)\"";
4294                                 $inner_title_class = "catTitle";
4295                         } else {
4296                                 $browse_cat_link = "";
4297                                 $inner_title_class = "catTitleNL";
4298                         }
4299
4300                         $cat_class = "feedCat";
4301
4302                         print "<li class=\"$cat_class\" id=\"FCAT-$cat_id\">
4303                                 <img onclick=\"toggleCollapseCat($cat_id)\" class=\"catCollapse\"
4304                                         title=\"".__('Click to collapse category')."\"
4305                                         src=\"images/cat-collapse.png\"><span class=\"$inner_title_class\" 
4306                                         id=\"FCATN-$cat_id\" $browse_cat_link/>$tmp_category</span>";
4307
4308                         print "<span id=\"FCAP-$cat_id\">";
4309
4310                         print " <span id=\"FCATCTR-$cat_id\" 
4311                                 class=\"$catctr_class\">($cat_unread)</span> $ellipsis";
4312
4313                         print "</span>";
4314
4315                         //print "</li>";
4316
4317                         print "<ul class=\"feedCatList\" id=\"FCATLIST-$cat_id\" style='$holder_style'>";
4318
4319         }
4320         
4321         function outputFeedList($link, $tags = false) {
4322
4323                 print "<ul class=\"feedList\" id=\"feedList\">";
4324
4325                 $owner_uid = $_SESSION["uid"];
4326
4327                 /* virtual feeds */
4328
4329                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
4330
4331                         $cat_hidden = get_pref($link, "_COLLAPSED_SPECIAL");
4332
4333                         printCategoryHeader($link, -1, $cat_hidden, false);
4334                 }
4335
4336                 foreach (array(-4, -3, -1, -2, 0) as $i) {
4337                         printFeedEntry($i, "virt", false, false, 
4338                                 false, $link);
4339                 }
4340
4341                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
4342                         print "</ul></li>";
4343                 }
4344
4345                 if (!$tags) {
4346
4347
4348                                 $result = db_query($link, "SELECT * FROM
4349                                         ttrss_labels2 WHERE owner_uid = '$owner_uid' ORDER by caption");
4350                 
4351                                 if (db_num_rows($result) > 0) {
4352                                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4353
4354                                                 $cat_hidden = get_pref($link, "_COLLAPSED_LABELS");
4355
4356                                                 printCategoryHeader($link, -2, $cat_hidden, true);
4357
4358                                         } else {
4359                                                 print "<li><hr></li>";
4360                                         }
4361                                 }
4362                 
4363                                 while ($line = db_fetch_assoc($result)) {
4364         
4365                                         $label_id = -$line['id'] - 11;
4366                                         $count = getFeedUnread($link, $label_id);
4367         
4368                                         printFeedEntry($label_id, 
4369                                                 "label", $line["caption"], 
4370                                                 $count, false, $link, 
4371                                                 false, false, false,
4372                                                 $line['fg_color'], $line['bg_color']);
4373                 
4374                                 }
4375
4376                                 if (db_num_rows($result) > 0) {
4377                                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4378                                                 print "</ul>";
4379                                         }
4380                                 } 
4381
4382
4383                         if (!get_pref($link, 'ENABLE_FEED_CATS')) {
4384                                 print "<li><hr></li>";
4385                         }
4386
4387                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4388                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4389                                         $order_by_qpart = "order_id,category,unread DESC,title";
4390                                 } else {
4391                                         $order_by_qpart = "order_id,category,title";
4392                                 }
4393                         } else {
4394                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4395                                         $order_by_qpart = "unread DESC,title";
4396                                 } else {                
4397                                         $order_by_qpart = "title";
4398                                 }
4399                         }
4400
4401                         $age_qpart = getMaxAgeSubquery();
4402
4403                         $query = "SELECT ttrss_feeds.*,
4404                                 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated_noms,
4405                                 cat_id,last_error,
4406                                 ttrss_feed_categories.title AS category,
4407                                 ttrss_feed_categories.collapsed,
4408                                 value AS unread 
4409                                 FROM ttrss_feeds LEFT JOIN ttrss_feed_categories
4410                                         ON (ttrss_feed_categories.id = cat_id)                  
4411                                 LEFT JOIN ttrss_counters_cache 
4412                                         ON
4413                                                 (ttrss_feeds.id = feed_id)
4414                                 WHERE 
4415                                         ttrss_feeds.owner_uid = '$owner_uid' AND parent_feed IS NULL
4416                                 ORDER BY $order_by_qpart"; 
4417
4418                         $result = db_query($link, $query);
4419
4420                         $actid = $_REQUEST["actid"];
4421         
4422                         /* real feeds */
4423         
4424                         $lnum = 0;
4425         
4426                         $total_unread = 0;
4427
4428                         $category = "";
4429
4430                         $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
4431         
4432                         while ($line = db_fetch_assoc($result)) {
4433                         
4434                                 $feed = htmlspecialchars(trim($line["title"]));
4435
4436                                 if (!$feed) $feed = "[Untitled]";
4437
4438                                 $feed_id = $line["id"];   
4439                                 $unread = $line["unread"];
4440         
4441                                 $subop = $_REQUEST["subop"];
4442
4443                                 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
4444                                         $last_updated = smart_date_time(strtotime($line["last_updated_noms"]));
4445                                 } else {
4446                                         $last_updated = date($short_date, strtotime($line["last_updated_noms"]));
4447                                 }
4448
4449                                 $rtl_content = sql_bool_to_bool($line["rtl_content"]);
4450
4451                                 if ($rtl_content) {
4452                                         $rtl_tag = "dir=\"RTL\"";
4453                                 } else {
4454                                         $rtl_tag = "";
4455                                 }
4456
4457                                 $tmp_result = db_query($link,
4458                                         "SELECT SUM(value) AS unread FROM ttrss_feeds, ttrss_counters_cache 
4459                                                 WHERE parent_feed = '$feed_id' AND feed_id = id");
4460
4461                                 $unread += db_fetch_result($tmp_result, 0, "unread");
4462         
4463                                 $cat_id = $line["cat_id"];
4464
4465                                 $tmp_category = $line["category"];
4466
4467                                 if (!$tmp_category) {
4468                                         $tmp_category = __("Uncategorized");
4469                                 }
4470                                 
4471         //                      $class = ($lnum % 2) ? "even" : "odd";
4472
4473                                 if ($line["last_error"]) {
4474                                         $class = "error";
4475                                 } else {
4476                                         $class = "feed";
4477                                 }
4478         
4479                                 if ($actid == $feed_id) {
4480                                         $class .= "Selected";
4481                                 }
4482         
4483                                 $total_unread += $unread;
4484
4485                                 if ($category != $tmp_category && get_pref($link, 'ENABLE_FEED_CATS')) {
4486                                 
4487                                         if ($category) {
4488                                                 print "</ul></li>";
4489                                         }
4490                                 
4491                                         $category = $tmp_category;
4492
4493                                         $collapsed = sql_bool_to_bool($line["collapsed"]);
4494
4495                                         // workaround for NULL category
4496                                         if ($category == __("Uncategorized")) {
4497                                                 $collapsed = get_pref($link, "_COLLAPSED_UNCAT");
4498                                         }
4499
4500                                         $cat_id = (int) $cat_id;
4501
4502                                         printCategoryHeader($link, $cat_id, $collapsed, true);
4503
4504                                 }
4505         
4506                                 printFeedEntry($feed_id, $class, $feed, $unread, 
4507                                         false, $link, $rtl_content, 
4508                                         $last_updated, $line["last_error"]);
4509         
4510                                 ++$lnum;
4511                         }
4512
4513                         if (db_num_rows($result) == 0) {
4514                                 print "<li>".__('No feeds to display.')."</li>";
4515                         }
4516
4517                 } else {
4518
4519                         // tags
4520
4521 /*                      $result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count
4522                                 FROM ttrss_tags,ttrss_entries,ttrss_user_entries WHERE
4523                                 post_int_id = ttrss_user_entries.int_id AND 
4524                                 unread = true AND ref_id = ttrss_entries.id
4525                                 AND ttrss_tags.owner_uid = '$owner_uid' GROUP BY tag_name       
4526                         UNION
4527                                 select tag_name,0 as count FROM ttrss_tags WHERE owner_uid = '$owner_uid'
4528                         ORDER BY tag_name"); */
4529
4530                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4531                                 print "<li class=\"feedCat\">".__('Tags')."</li>";
4532                                 print "<ul class=\"feedCatList\">";
4533                         }
4534
4535                         $age_qpart = getMaxAgeSubquery();
4536
4537                         $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id) 
4538                                 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id 
4539                                         AND ref_id = id AND $age_qpart
4540                                         AND unread = true)) AS count FROM ttrss_tags 
4541                                         WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name 
4542                                         ORDER BY count DESC LIMIT 50");
4543
4544                         $tags = array();
4545         
4546                         while ($line = db_fetch_assoc($result)) {
4547                                 $tags[$line["tag_name"]] += $line["count"];
4548                         }
4549         
4550                         foreach (array_keys($tags) as $tag) {
4551         
4552                                 $unread = $tags[$tag];
4553                                 $class = "tag";
4554
4555                                 printFeedEntry($tag, $class, $tag, $unread, "images/tag.png", $link);
4556         
4557                         } 
4558
4559                         if (db_num_rows($result) == 0) {
4560                                 print "<li>No tags to display.</li>";
4561                         }
4562
4563                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4564                                 print "</ul>";
4565                         }
4566
4567                 }
4568
4569                 print "</ul>";
4570
4571         }
4572
4573         function get_article_tags($link, $id, $owner_uid = 0) {
4574
4575                 global $memcache;
4576
4577                 $a_id = db_escape_string($id);
4578
4579                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
4580
4581                 $query = "SELECT DISTINCT tag_name, 
4582                         owner_uid as owner FROM
4583                         ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
4584                         ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name";
4585
4586                 $obj_id = md5("TAGS:$owner_uid:$id");
4587                 $tags = array();        
4588
4589                 if ($memcache && $obj = $memcache->get($obj_id)) {
4590                         $tags = $obj;
4591                 } else {
4592                         $tmp_result = db_query($link, $query);
4593
4594                         while ($tmp_line = db_fetch_assoc($tmp_result)) {
4595                                 array_push($tags, $tmp_line["tag_name"]);                               
4596                         }
4597
4598                         if ($memcache) $memcache->add($obj_id, $tags, 0, 3600);
4599                 }
4600
4601                 return $tags;
4602         }
4603
4604         function trim_value(&$value) {
4605                 $value = trim($value);
4606         }       
4607
4608         function trim_array($array) {
4609                 $tmp = $array;
4610                 array_walk($tmp, 'trim_value');
4611                 return $tmp;
4612         }
4613
4614         function tag_is_valid($tag) {
4615                 if ($tag == '') return false;
4616                 if (preg_match("/^[0-9]*$/", $tag)) return false;
4617                 if (mb_strlen($tag) > 250) return false;
4618
4619                 if (function_exists('iconv')) {
4620                         $tag = iconv("utf-8", "utf-8", $tag);
4621                 }
4622
4623                 if (!$tag) return false;
4624
4625                 return true;
4626         }
4627
4628         function render_login_form($link, $mobile = 0) {
4629                 switch ($mobile) {
4630                 case 0:
4631                         require_once "login_form.php";
4632                         break;
4633                 case 1:
4634                         require_once "mobile/login_form.php";
4635                         break;
4636                 case 2:
4637                         require_once "mobile/classic/login_form.php";
4638                 }
4639         }
4640
4641         // from http://developer.apple.com/internet/safari/faq.html
4642         function no_cache_incantation() {
4643                 header("Expires: Mon, 22 Dec 1980 00:00:00 GMT"); // Happy birthday to me :)
4644                 header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // always modified
4645                 header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0"); // HTTP/1.1
4646                 header("Cache-Control: post-check=0, pre-check=0", false);
4647                 header("Pragma: no-cache"); // HTTP/1.0
4648         }
4649
4650         function format_warning($msg, $id = "") {
4651                 global $link;
4652                 return "<div class=\"warning\" id=\"$id\"> 
4653                         <img src=\"".theme_image($link, "images/sign_excl.png")."\">$msg</div>";
4654         }
4655
4656         function format_notice($msg) {
4657                 global $link;
4658                 return "<div class=\"notice\" id=\"$id\"> 
4659                         <img src=\"".theme_image($link, "images/sign_info.png")."\">$msg</div>";
4660         }
4661
4662         function format_error($msg) {
4663                 global $link;
4664                 return "<div class=\"error\" id=\"$id\"> 
4665                         <img src=\"".theme_image($link, "images/sign_excl.png")."\">$msg</div>";
4666         }
4667
4668         function print_notice($msg) {
4669                 return print format_notice($msg);
4670         }
4671
4672         function print_warning($msg) {
4673                 return print format_warning($msg);
4674         }
4675
4676         function print_error($msg) {
4677                 return print format_error($msg);
4678         }
4679
4680
4681         function T_sprintf() {
4682                 $args = func_get_args();
4683                 return vsprintf(__(array_shift($args)), $args);
4684         }
4685
4686         function format_inline_player($link, $url, $ctype) {
4687
4688                 $entry = "";
4689
4690                 if (($ctype == __("audio/mpeg")) &&  (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {  
4691                      
4692                         $entry .= "<object type=\"application/x-shockwave-flash\" 
4693                                 data=\"extras/button/musicplayer.swf?song_url=$url\" 
4694                                 width=\"17\" height=\"17\"> 
4695                                         <param name=\"movie\" value=\"extras/button/musicplayer.swf?song_url=$url\" /> </object>";  
4696                 }
4697
4698                 /*
4699
4700                 if (substr($ctype,0,6)=="audio/" || $ctype=="application/ogg" || $ctype=="application/x-ogg") {
4701                         $entry .= "<audio controls=\"controls\"><source src=\"$url\" type=\"$ctype\" />";
4702                         if (($ctype == __("audio/mpeg")) && 
4703                                 (get_pref($link, "ENABLE_FLASH_PLAYER")) ) { 
4704                                 $entry .= "<span><object type=\"application/x-shockwave-flash\" data=\"extras/button/musicplayer.swf?song_url=$url\" width=\"17\" height=\"17\"> <param name=\"movie\" value=\"extras/button/musicplayer.swf?song_url=$url\" /> </object></span>";
4705                         }
4706                         $entry .= "</audio> ";
4707                         if (($ctype == __("audio/mpeg")) && 
4708                                 (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
4709                                 $entry .= "<a id='switchToFlashLink' href='#' onclick='return switchToFlash(this)'>".__('Switch to Flash Player')."</a>";       
4710                                 $entry .= "<script type='text/javascript'>html5AudioOrFlash('$ctype');</script>"; 
4711                         }
4712                 } elseif (substr($ctype,0,6)=="video/") {
4713                         $entry .= "<video controls=\"controls\"><source src=\"$url\" type=\"$ctype\" />";
4714                         $entry .= "</video>";
4715                 } */
4716
4717
4718
4719                 return $entry;
4720         }
4721
4722         function outputArticleXML($link, $id, $feed_id, $mark_as_read = true,
4723                 $zoom_mode = false) {
4724
4725                 /* we can figure out feed_id from article id anyway, why do we
4726                  * pass feed_id here? let's ignore the argument :( */
4727
4728                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
4729                         WHERE ref_id = '$id'");
4730
4731                 $feed_id = (int) db_fetch_result($result, 0, "feed_id");
4732
4733                 if (!$zoom_mode) { print "<article id='$id'><![CDATA["; };
4734
4735                 $result = db_query($link, "SELECT rtl_content, always_display_enclosures FROM ttrss_feeds
4736                         WHERE id = '$feed_id' AND owner_uid = " . $_SESSION["uid"]);
4737
4738                 if (db_num_rows($result) == 1) {
4739                         $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4740                         $always_display_enclosures = sql_bool_to_bool(db_fetch_result($result, 0, "always_display_enclosures"));
4741                 } else {
4742                         $rtl_content = false;
4743                         $always_display_enclosures = false;
4744                 }
4745
4746                 if ($rtl_content) {
4747                         $rtl_tag = "dir=\"RTL\"";
4748                         $rtl_class = "RTL";
4749                 } else {
4750                         $rtl_tag = "";
4751                         $rtl_class = "";
4752                 }
4753
4754                 if ($mark_as_read) {
4755                         $result = db_query($link, "UPDATE ttrss_user_entries 
4756                                 SET unread = false,last_read = NOW() 
4757                                 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4758
4759                         ccache_update($link, $feed_id, $_SESSION["uid"]);
4760                 }
4761
4762                 $result = db_query($link, "SELECT title,link,content,feed_id,comments,int_id,
4763                         ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
4764                         (SELECT icon_url FROM ttrss_feeds WHERE id = feed_id) as icon_url,
4765                         num_comments,
4766                         author,
4767                         orig_feed_id,
4768                         note
4769                         FROM ttrss_entries,ttrss_user_entries
4770                         WHERE   id = '$id' AND ref_id = id AND owner_uid = " . $_SESSION["uid"]);
4771
4772                 if ($result) {
4773
4774                         $line = db_fetch_assoc($result);
4775
4776                         if ($line["icon_url"]) {
4777                                 $feed_icon = "<img class=\"feedIcon\" src=\"" . $line["icon_url"] . "\">";
4778                         } else {
4779                                 $feed_icon = "&nbsp;";
4780                         }
4781
4782                         $num_comments = $line["num_comments"];
4783                         $entry_comments = "";
4784
4785                         if ($num_comments > 0) {
4786                                 if ($line["comments"]) {
4787                                         $comments_url = $line["comments"];
4788                                 } else {
4789                                         $comments_url = $line["link"];
4790                                 }
4791                                 $entry_comments = "<a target='_blank' href=\"$comments_url\">$num_comments comments</a>";
4792                         } else {
4793                                 if ($line["comments"] && $line["link"] != $line["comments"]) {
4794                                         $entry_comments = "<a target='_blank' href=\"".$line["comments"]."\">comments</a>";
4795                                 }                               
4796                         }
4797
4798                         if ($zoom_mode) {
4799                                 header("Content-Type: text/html");
4800                                 print "<html><head>
4801                                                 <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
4802                                                 <title>Tiny Tiny RSS - ".$line["title"]."</title>
4803                                                 <link rel=\"stylesheet\" type=\"text/css\" href=\"tt-rss.css\">
4804                                         </head><body>";
4805                         }
4806
4807
4808                         print "<div class=\"postReply\">";
4809
4810                         print "<div class=\"postHeader\" onmouseover=\"enable_resize(true)\" 
4811                                 onmouseout=\"enable_resize(false)\">";
4812
4813                         $entry_author = $line["author"];
4814
4815                         if ($entry_author) {
4816                                 $entry_author = __(" - ") . $entry_author;
4817                         }
4818
4819                         $parsed_updated = date(get_pref($link, 'LONG_DATE_FORMAT'), 
4820                                 strtotime($line["updated"]));
4821                 
4822                         print "<div class=\"postDate$rtl_class\">$parsed_updated</div>";
4823
4824                         if ($line["link"]) {
4825                                 print "<div clear='both'><a target='_blank' href=\"" . $line["link"] . "\">" . 
4826                                         $line["title"] . "</a><span class='author'>$entry_author</span></div>";
4827                         } else {
4828                                 print "<div clear='both'>" . $line["title"] . "$entry_author</div>";
4829                         }
4830
4831                         $tags_str = format_tags_string(get_article_tags($link, $id), $id);
4832
4833                         if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
4834
4835                         print "<div style='float : right'>
4836                                 <img src='".theme_image($link, 'images/tag.png')."' 
4837                                 class='tagsPic' alt='Tags' title='Tags'>&nbsp;";
4838
4839                         if (!$zoom_mode) {
4840                                 print "<span id=\"ATSTR-$id\">$tags_str</span>
4841                                         <a title=\"".__('Edit tags for this article')."\" 
4842                                         href=\"javascript:editArticleTags($id, $feed_id)\">(+)</a>";
4843
4844                                 print "<img src=\"".theme_image($link, 'images/art-zoom.png')."\" 
4845                                                 class='tagsPic' style=\"cursor : pointer\" style=\"cursor : pointer\"
4846                                                 onclick=\"zoomToArticle($id)\"
4847                                                 alt='Zoom' title='".__('Show article summary in new window')."'>";
4848
4849                                 $note_escaped = htmlspecialchars($line['note'], ENT_QUOTES);
4850
4851                                 print "<img src=\"".theme_image($link, 'images/art-pub-note.png')."\" 
4852                                                 class='tagsPic' style=\"cursor : pointer\" style=\"cursor : pointer\"
4853                                                 onclick=\"publishWithNote($id, '$note_escaped')\"
4854                                                 alt='PubNote' title='".__('Publish article with a note')."'>";
4855
4856                         } else {
4857                                 $tags_str = strip_tags($tags_str);
4858                                 print "<span id=\"ATSTR-$id\">$tags_str</span>";
4859                         }
4860                         print "</div>";
4861                         print "<div clear='both'>$entry_comments</div>";
4862
4863                         if ($line["orig_feed_id"]) {
4864
4865                                 $tmp_result = db_query($link, "SELECT * FROM ttrss_archived_feeds
4866                                         WHERE id = ".$line["orig_feed_id"]);
4867
4868                                 if (db_num_rows($tmp_result) != 0) {
4869
4870                                         print "<div clear='both'>";
4871                                         print __("Originally from:");
4872
4873                                         print "&nbsp;";
4874
4875                                         $tmp_line = db_fetch_assoc($tmp_result);
4876
4877                                         print "<a target='_blank' 
4878                                                 href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
4879                                                 $tmp_line['title'] . "</a>";
4880
4881                                         print "&nbsp;";
4882
4883                                         print "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
4884                                         print "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.gif'></a>";
4885
4886                                         print "</div>";
4887                                 }
4888                         }
4889
4890                         print "</div>";
4891
4892                         print "<div class=\"postIcon\">" . $feed_icon . "</div>";
4893
4894                         print "<div class=\"postContent\">";
4895
4896                         $article_content = sanitize_rss($link, $line["content"]);
4897
4898                         print "<div id=\"POSTNOTE-$id\">";
4899                                 if ($line['note']) {
4900                                         print format_article_note($id, $line['note']);
4901                                 }
4902                         print "</div>";
4903
4904                         print $article_content;
4905
4906 //                      $result = db_query($link, "SELECT * FROM ttrss_enclosures WHERE
4907 //                              post_id = '$id' AND content_url != ''");
4908
4909                         $result = get_article_enclosures($link, $id);
4910
4911 //                      if (db_num_rows($result) > 0) {
4912
4913                         if (count($result) > 0) {
4914
4915                                 $entries_html = array();
4916                                 $entries = array();
4917
4918                                 //while ($line = db_fetch_assoc($result)) {
4919                                 foreach ($result as $line) {
4920
4921                                         $url = $line["content_url"];
4922                                         $ctype = $line["content_type"];
4923
4924                                         if (!$ctype) $ctype = __("unknown type");
4925
4926                                         $filename = substr($url, strrpos($url, "/")+1);
4927
4928                                         $entry = format_inline_player($link, $url, $ctype);
4929
4930                                         $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
4931                                                 $filename . " (" . $ctype . ")" . "</a>";
4932
4933                                         array_push($entries_html, $entry);
4934
4935                                         $entry = array();
4936
4937                                         $entry["type"] = $ctype;
4938                                         $entry["filename"] = $filename;
4939                                         $entry["url"] = $url;
4940
4941                                         array_push($entries, $entry);
4942                                 }
4943
4944                                 print "<div class=\"postEnclosures\">";
4945
4946                                 if (!get_pref($link, "STRIP_IMAGES")) {
4947                                         if ($always_display_enclosures ||
4948                                                                 !preg_match("/<img/i", $article_content)) {
4949                                                                         
4950                                                 foreach ($entries as $entry) {
4951
4952                                                         if (preg_match("/image/", $entry["type"]) ||
4953                                                                         preg_match("/\.(jpg|png|gif|bmp)/i", $entry["filename"])) {
4954
4955                                                                         print "<p><img
4956                                                                         alt=\"".htmlspecialchars($entry["filename"])."\"
4957                                                                         src=\"" .htmlspecialchars($entry["url"]) . "\"/></p>";
4958                                                         }
4959                                                 }
4960                                         }
4961                                 }
4962
4963                                 if (db_num_rows($result) == 1) {
4964                                         print __("Attachment:") . " ";
4965                                 } else {
4966                                         print __("Attachments:") . " ";
4967                                 }
4968
4969                                 print join(", ", $entries_html);
4970
4971                                 print "</div>";
4972                         }
4973                 
4974                         print "</div>";
4975                         
4976                         print "</div>";
4977
4978                 }
4979
4980                 if (!$zoom_mode) { 
4981                         print "]]></article>"; 
4982                 } else {
4983                         print "
4984                                 <div style=\"text-align : center\">
4985                                 <button onclick=\"return window.close()\">".
4986                                         __("Close this window")."</button></div>";
4987                         print "</body></html>";
4988
4989                 }
4990
4991         }
4992
4993         function outputHeadlinesList($link, $feed, $subop, $view_mode, $limit, $cat_view,
4994                                         $next_unread_feed, $offset, $vgr_last_feed = false, 
4995                                         $override_order = false) {
4996
4997                 $disable_cache = false;
4998
4999                 $timing_info = getmicrotime();
5000
5001                 $topmost_article_ids = array();
5002
5003                 if (!$offset) {
5004                         $offset = 0;
5005                 }
5006
5007                 if ($subop == "undefined") $subop = "";
5008
5009                 $subop_split = split(":", $subop);
5010
5011                 if ($subop == "CatchupSelected") {
5012                         $ids = split(",", db_escape_string($_REQUEST["ids"]));
5013                         $cmode = sprintf("%d", $_REQUEST["cmode"]);
5014
5015                         catchupArticlesById($link, $ids, $cmode);
5016                 }
5017
5018                 if ($subop == "ForceUpdate" && sprintf("%d", $feed) > 0) {
5019                         update_generic_feed($link, $feed, $cat_view, true);
5020                 }
5021
5022                 if ($subop == "MarkAllRead")  {
5023                         catchup_feed($link, $feed, $cat_view);
5024
5025                         if (get_pref($link, 'ON_CATCHUP_SHOW_NEXT_FEED')) {
5026                                 if ($next_unread_feed) {
5027                                         $feed = $next_unread_feed;
5028                                 }
5029                         }
5030                 }
5031
5032                 if ($subop_split[0] == "MarkAllReadGR")  {
5033                         catchup_feed($link, $subop_split[1], false);
5034                 }
5035
5036
5037                 if ($feed_id > 0) {             
5038                         $result = db_query($link,
5039                                 "SELECT id FROM ttrss_feeds WHERE id = '$feed' LIMIT 1");
5040                 
5041                         if (db_num_rows($result) == 0) {
5042                                 print "<div align='center'>".__('Feed not found.')."</div>";                            
5043                                 return;
5044                         }
5045                 }
5046
5047                 if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
5048
5049                         $result = db_query($link, "SELECT rtl_content FROM ttrss_feeds
5050                                 WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
5051
5052                         if (db_num_rows($result) == 1) {
5053                                 $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
5054                         } else {
5055                                 $rtl_content = false;
5056                         }
5057         
5058                         if ($rtl_content) {
5059                                 $rtl_tag = "dir=\"RTL\"";
5060                         } else {
5061                                 $rtl_tag = "";
5062                         }
5063                 } else {
5064                         $rtl_tag = "";
5065                         $rtl_content = false;
5066                 }
5067
5068                 $script_dt_add = get_script_dt_add();
5069
5070                 /// START /////////////////////////////////////////////////////////////////////////////////
5071
5072                 $search = db_escape_string($_REQUEST["query"]);
5073
5074                 if ($search) { 
5075                         $disable_cache = true;
5076                 }
5077
5078                 $search_mode = db_escape_string($_REQUEST["search_mode"]);
5079                 $match_on = db_escape_string($_REQUEST["match_on"]);
5080
5081                 if (!$match_on) {
5082                         $match_on = "both";
5083                 }
5084
5085                 $real_offset = $offset * $limit;
5086
5087                 if ($_REQUEST["debug"]) $timing_info = print_checkpoint("H0", $timing_info);
5088
5089                 $qfh_ret = queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view, 
5090                         $search, $search_mode, $match_on, $override_order, $real_offset);
5091
5092                 if ($_REQUEST["debug"]) $timing_info = print_checkpoint("H1", $timing_info);
5093
5094                 $result = $qfh_ret[0];
5095                 $feed_title = $qfh_ret[1];
5096                 $feed_site_url = $qfh_ret[2];
5097                 $last_error = $qfh_ret[3];
5098
5099                 $vgroup_last_feed = $vgr_last_feed;
5100
5101                 if ($feed == -2) {
5102                         $feed_site_url = article_publish_url($link);
5103                 }
5104
5105                 /// STOP //////////////////////////////////////////////////////////////////////////////////
5106
5107                 if (!$offset) {
5108                         print "<div id=\"headlinesContainer\" $rtl_tag>";
5109
5110                         if (!$result) {
5111                                 print "<div align='center'>".__("Could not display feed (query failed). Please check label match syntax or local configuration.")."</div>";
5112                                 return;
5113                         }
5114
5115                         print_headline_subtoolbar($link, $feed_site_url, $feed_title,
5116                                 $feed, $cat_view, $search, $match_on, $search_mode);
5117
5118                         print "<div id=\"headlinesInnerContainer\" onscroll=\"headlines_scroll_handler()\">";
5119                 }
5120
5121                 $headlines_count = db_num_rows($result);
5122
5123                 if (db_num_rows($result) > 0) {
5124
5125 #                       print "\{$offset}";
5126
5127                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE') && !$offset) {
5128                                 print "<table class=\"headlinesList\" id=\"headlinesList\" 
5129                                         cellspacing=\"0\">";
5130                         }
5131
5132                         $lnum = $limit*$offset;
5133
5134                         error_reporting (DEFAULT_ERROR_LEVEL);
5135         
5136                         $num_unread = 0;
5137                         $cur_feed_title = '';
5138
5139                         $fresh_intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE") * 60 * 60;
5140
5141                         while ($line = db_fetch_assoc($result)) {
5142
5143                                 $class = ($lnum % 2) ? "even" : "odd";
5144         
5145                                 $id = $line["id"];
5146                                 $feed_id = $line["feed_id"];
5147
5148                                 $labels = get_article_labels($link, $id);
5149
5150                                 $labels_str = "<span id=\"HLLCTR-$id\">";
5151                                 $labels_str .= format_article_labels($labels, $id);
5152                                 $labels_str .= "</span>";
5153         
5154                                 if (count($topmost_article_ids) < 5) {
5155                                         array_push($topmost_article_ids, $id);
5156                                 }
5157
5158                                 if ($line["last_read"] == "" && !sql_bool_to_bool($line["unread"])) {
5159         
5160                                         $update_pic = "<img id='FUPDPIC-$id' src=\"".
5161                                                 theme_image($link, 'images/updated.png')."\" 
5162                                                 alt=\"Updated\">";
5163                                 } else {
5164                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/blank_icon.gif\" 
5165                                                 alt=\"Updated\">";
5166                                 }
5167
5168                                 if (sql_bool_to_bool($line["unread"]) && 
5169                                         time() - strtotime($line["updated_noms"]) < $fresh_intl) {
5170
5171                                         $update_pic = "<img id='FUPDPIC-$id' src=\"".
5172                                                 theme_image($link, 'images/fresh_sign.png')."\" alt=\"Fresh\">";
5173                                 }
5174         
5175                                 if ($line["unread"] == "t" || $line["unread"] == "1") {
5176                                         $class .= "Unread";
5177                                         ++$num_unread;
5178                                         $is_unread = true;
5179                                 } else {
5180                                         $is_unread = false;
5181                                 }
5182
5183                                 if ($line["marked"] == "t" || $line["marked"] == "1") {
5184                                         $marked_pic = "<img id=\"FMPIC-$id\" 
5185                                                 src=\"".theme_image($link, 'images/mark_set.png')."\" 
5186                                                 class=\"markedPic\" alt=\"Unstar article\" 
5187                                                 onclick='javascript:tMark($id)'>";
5188                                 } else {
5189                                         $marked_pic = "<img id=\"FMPIC-$id\" 
5190                                                 src=\"".theme_image($link, 'images/mark_unset.png')."\" 
5191                                                 class=\"markedPic\" alt=\"Star article\" 
5192                                                 onclick='javascript:tMark($id)'>";
5193                                 }
5194
5195                                 if ($line["published"] == "t" || $line["published"] == "1") {
5196                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"".theme_image($link, 
5197                                                 'images/pub_set.png')."\" 
5198                                                 class=\"markedPic\"
5199                                                 alt=\"Unpublish article\" onclick='javascript:tPub($id)'>";
5200                                 } else {
5201                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"".theme_image($link,
5202                                                 'images/pub_unset.png')."\" 
5203                                                 class=\"markedPic\"
5204                                                 alt=\"Publish article\" onclick='javascript:tPub($id)'>";
5205                                 }
5206
5207 #                               $content_link = "<a target=\"_blank\" href=\"".$line["link"]."\">" .
5208 #                                       $line["title"] . "</a>";
5209
5210 #                               $content_link = "<a 
5211 #                                       href=\"" . htmlspecialchars($line["link"]) . "\"
5212 #                                       onclick=\"view($id,$feed_id);\">" .
5213 #                                       $line["title"] . "</a>";
5214
5215 #                               $content_link = "<a href=\"javascript:viewContentUrl('".$line["link"]."');\">" .
5216 #                                       $line["title"] . "</a>";
5217
5218                                 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
5219                                         $updated_fmt = smart_date_time(strtotime($line["updated_noms"]));
5220                                 } else {
5221                                         $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
5222                                         $updated_fmt = date($short_date, strtotime($line["updated_noms"]));
5223                                 }                               
5224
5225                                 if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
5226                                         $content_preview = truncate_string(strip_tags($line["content_preview"]), 
5227                                                 100);
5228                                 }
5229
5230                                 $score = $line["score"];
5231
5232                                 $score_pic = theme_image($link, 
5233                                         "images/" . get_score_pic($score));
5234
5235 /*                              $score_title = __("(Click to change)");
5236                                 $score_pic = "<img class='hlScorePic' src=\"images/$score_pic\" 
5237                                         onclick=\"adjustArticleScore($id, $score)\" title=\"$score $score_title\">"; */
5238
5239                                 $score_pic = "<img class='hlScorePic' src=\"$score_pic\" 
5240                                         title=\"$score\">";
5241
5242                                 if ($score > 500) {
5243                                         $hlc_suffix = "H";
5244                                 } else if ($score < -100) {
5245                                         $hlc_suffix = "L";
5246                                 } else {
5247                                         $hlc_suffix = "";
5248                                 }
5249
5250                                 $entry_author = $line["author"];
5251
5252                                 if ($entry_author) {
5253                                         $entry_author = " - $entry_author";
5254                                 }
5255
5256                                 $has_feed_icon = feed_has_icon($feed_id);
5257
5258                                 if ($has_feed_icon) {
5259                                         $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
5260                                 } else {
5261                                         //$feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\" alt=\"\">";
5262                                         $feed_icon_img = "";
5263                                 }
5264
5265                                 if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
5266
5267                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5268                                                 if ($feed_id != $vgroup_last_feed && $line["feed_title"]) {
5269
5270                                                         $cur_feed_title = $line["feed_title"];
5271                                                         $vgroup_last_feed = $feed_id;
5272
5273                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
5274
5275                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>".__('mark as read')."</a>)";
5276
5277                                                         print "<tr class='feedTitle'><td colspan='7'>".
5278                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
5279                                                                 "<a href=\"javascript:viewfeed($feed_id, '', false)\">".
5280                                                                 $line["feed_title"]."</a> $vf_catchup_link</td></tr>";
5281                                                 }
5282                                         }
5283
5284                                         $mouseover_attrs = "onmouseover='postMouseIn($id)' 
5285                                                 onmouseout='postMouseOut($id)'";
5286
5287                                         print "<tr class='$class' id='RROW-$id' $mouseover_attrs>";
5288                 
5289                                         print "<td class='hlUpdPic'>$update_pic</td>";
5290                 
5291                                         print "<td class='hlSelectRow'>
5292                                                 <input type=\"checkbox\" onclick=\"tSR(this)\"
5293                                                         id=\"RCHK-$id\">
5294                                                 </td>";
5295                 
5296                                         print "<td class='hlMarkedPic'>$marked_pic</td>";
5297                                         print "<td class='hlMarkedPic'>$published_pic</td>";
5298
5299 #                                       if ($line["feed_title"]) {                      
5300 #                                               print "<td class='hlContent'>$content_link</td>";
5301 #                                               print "<td class='hlFeed'>
5302 #                                                       <a href=\"javascript:viewfeed($feed_id, '', false)\">".
5303 #                                                               truncate_string($line["feed_title"],30)."</a>&nbsp;</td>";
5304 #                                       } else {                        
5305
5306                                         print "<td onclick='view($id)' class='hlContent$hlc_suffix' valign='middle' id='HLC-$id'>";
5307
5308                                         print "<a id=\"RTITLE-$id\" 
5309                                                 href=\"" . htmlspecialchars($line["link"]) . "\"
5310                                                 onclick=\"return false\">" .
5311                                                 $line["title"];
5312
5313                                         if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
5314                                                 if ($content_preview) {
5315                                                         print "<span class=\"contentPreview\"> - $content_preview</span>";
5316                                                 }
5317                                         }
5318
5319                                         print "</a>";
5320
5321                                         print $labels_str;
5322
5323 #                                                       <a href=\"javascript:viewfeed($feed_id, '', false)\">".
5324 #                                                       $line["feed_title"]."</a>       
5325
5326                                         if (!get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5327                                                 if ($line["feed_title"]) {                      
5328                                                         print "<span class=\"hlFeed\">
5329                                                                 (<a href=\"javascript:viewfeed($feed_id, '', false)\">".
5330                                                                 $line["feed_title"]."</a>)
5331                                                         </span>";
5332                                                 }
5333                                         }
5334
5335 //                                      print "<img id='HLL-$id' class='hlLoading' 
5336 //                                              src='images/indicator_tiny.gif' style='display : none'>";
5337
5338                                         print "</td>";
5339
5340 #                                       }
5341                                         
5342                                         print "<td class=\"hlUpdated\" onclick='view($id)'><nobr>$updated_fmt&nbsp;</nobr></td>";
5343
5344                                         print "<td class='hlMarkedPic'>$score_pic</td>";
5345
5346                                         if ($line["feed_title"] && !get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5347                                                 print "<td onclick=\"viewfeed($feed_id)\" class=\"hlFeedIcon\">$feed_icon_img</td>";
5348                                         }
5349
5350                                         print "</tr>";
5351
5352                                 } else {
5353
5354                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED') && $line["feed_title"]) {
5355                                                 if ($feed_id != $vgroup_last_feed) {
5356
5357                                                         $cur_feed_title = $line["feed_title"];
5358                                                         $vgroup_last_feed = $feed_id;
5359
5360                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
5361
5362                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>".__('mark as read')."</a>)";
5363
5364                                                         $has_feed_icon = feed_has_icon($feed_id);
5365
5366                                                         if ($has_feed_icon) {
5367                                                                 $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
5368                                                         } else {
5369                                                                 //$feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\" alt=\"\">";
5370                                                         }
5371
5372                                                         print "<div class='cdmFeedTitle'>".
5373                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
5374                                                                 "<a href=\"javascript:viewfeed($feed_id, '', false)\">".
5375                                                                 $line["feed_title"]."</a> $vf_catchup_link</div>";
5376                                                 }
5377                                         }
5378
5379                                         if ($is_unread) {
5380                                                 $add_class = "Unread";
5381                                         } else {
5382                                                 $add_class = "";
5383                                         }       
5384
5385                                         $expand_cdm = get_pref($link, 'CDM_EXPANDED');
5386                                         $show_excerpt = false;
5387
5388                                         if ($expand_cdm && $score >= -100) {
5389                                                 $cdm_cstyle = "";
5390                                                 $show_excerpt = false;
5391                                         } else {
5392                                                 $cdm_cstyle = "style=\"display : none\"";
5393                                                 $show_excerpt = true;
5394                                         }
5395
5396                                         $mouseover_attrs = "onmouseover='postMouseIn($id)' 
5397                                                 onmouseout='postMouseOut($id)'";
5398
5399                                         print "<div class=\"cdmArticle$add_class\" 
5400                                                 id=\"RROW-$id\"                                         
5401                                                 $mouseover_attrs'>";
5402
5403                                         print "<div class=\"cdmHeader\">";
5404
5405                                         if (!get_pref($link, "VFEED_GROUP_BY_FEED") || !$line["feed_title"]) {
5406                                                 $cdm_feed_icon = "<span style=\"cursor : pointer\" onclick=\"viewfeed($feed_id)\">$feed_icon_img</span>";
5407                                         }
5408
5409                                         print "<div class=\"articleUpdated\">$updated_fmt $score_pic $cdm_feed_icon
5410                                                 </div>";
5411
5412                                         print "<span id=\"RTITLE-$id\" class=\"titleWrap$hlc_suffix\"><a class=\"title\" 
5413                                                 onclick=\"javascript:toggleUnread($id, 0)\"
5414                                                 target=\"_blank\" href=\"".$line["link"]."\">".$line["title"]."</a>
5415                                                 ";
5416
5417                                         print $entry_author;
5418
5419 /*                                      if (!$expand_cdm || $score < -100) {
5420                                                 print "&nbsp;<a id=\"CICH-$id\" 
5421                                                         href=\"javascript:cdmExpandArticle($id)\">
5422                                                         (".__('Show article').")</a>";
5423                                         } */
5424
5425                                         print $labels_str;
5426
5427                                         if (!get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5428                                                 if ($line["feed_title"]) {      
5429                                                         print "&nbsp;(<a href='javascript:viewfeed($feed_id)'>".$line["feed_title"]."</a>)";
5430                                                 }
5431                                         }
5432
5433                                         print "</span></div>";
5434
5435                                         if ($show_excerpt) {
5436                                                 print "<div class=\"cdmExcerpt\" id=\"CEXC-$id\"
5437                                                         onclick=\"cdmExpandArticle($id)\"
5438                                                         title=\"".__('Click to expand article')."\">";
5439
5440                                                 $content_preview = trim(truncate_string(strip_tags($line["content_preview"]), 100));
5441
5442                                                 if (strlen($content_preview) != 0) {
5443                                                         print $content_preview;
5444                                                 } else {
5445                                                         print __('Click to expand article');
5446                                                 }
5447                                                 print "</div>";
5448                                         }
5449         
5450                                         print "<div class=\"cdmContent\" 
5451                                                 onclick=\"cdmClicked($id)\"
5452                                                 id=\"CICD-$id\" $cdm_cstyle>";
5453
5454                                         if ($line["orig_feed_id"]) {
5455
5456                                                 $tmp_result = db_query($link, "SELECT * FROM ttrss_archived_feeds
5457                                                 WHERE id = ".$line["orig_feed_id"]);
5458
5459                                                 if (db_num_rows($tmp_result) != 0) {
5460
5461                                                 print "<div clear='both'>";
5462                                                 print __("Originally from:");
5463
5464                                                 print "&nbsp;";
5465
5466                                                 $tmp_line = db_fetch_assoc($tmp_result);
5467
5468                                                 print "<a target='_blank' 
5469                                                         href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
5470                                                         $tmp_line['title'] . "</a>";
5471
5472                                                 print "&nbsp;";
5473
5474                                                 print "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
5475                                                 print "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.gif'></a>";
5476
5477                                                 print "</div>";
5478                                         }
5479                                 }
5480
5481 //                                      print "<div class=\"cdmInnerContent\" id=\"CICD-$id\" $cdm_cstyle>";
5482
5483                                         print "<div id=\"POSTNOTE-$id\">";
5484                                         if ($line['note']) {
5485                                                 print format_article_note($id, $line['note']);
5486                                         }
5487                                         print "</div>";
5488
5489                                         print sanitize_rss($link, $line["content_preview"]);
5490
5491                                         $article_content = $line["content_preview"];
5492
5493                                         $e_result = db_query($link, "SELECT * FROM ttrss_enclosures WHERE
5494                                                 post_id = '$id' AND content_url != ''");
5495
5496                                         if (db_num_rows($e_result) > 0) {
5497
5498                                 $entries_html = array();
5499                                 $entries = array();
5500
5501                                 while ($e_line = db_fetch_assoc($e_result)) {
5502
5503                                         $url = $e_line["content_url"];
5504                                         $ctype = $e_line["content_type"];
5505                                         if (!$ctype) $ctype = __("unknown type");
5506
5507                                         $filename = substr($url, strrpos($url, "/")+1);
5508
5509                                         $entry = format_inline_player($link, $url, $ctype);
5510
5511                                         $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
5512                                                 $filename . " (" . $ctype . ")" . "</a>";
5513
5514                                         array_push($entries_html, $entry);
5515
5516                                         $entry = array();
5517
5518                                         $entry["type"] = $ctype;
5519                                         $entry["filename"] = $filename;
5520                                         $entry["url"] = $url;
5521
5522                                         array_push($entries, $entry);
5523                                 }
5524
5525                                 $tmp_result = db_query($link, "SELECT always_display_enclosures FROM
5526                                         ttrss_feeds WHERE id = ".
5527                                                 (($line['feed_id'] == null) ? $line['orig_feed_id'] : 
5528                                                                 $line['feed_id'])." AND owner_uid = ".$_SESSION["uid"]);
5529
5530                                 $always_display_enclosures = db_fetch_result($tmp_result, 0, "always_display_enclosures");
5531
5532                                 if (!get_pref($link, "STRIP_IMAGES")) {
5533                                         if ($always_display_enclosures || 
5534                                                                         !preg_match("/img/i", $article_content)) {
5535
5536                                                 foreach ($entries as $entry) {
5537                                                         if (preg_match("/image/", $entry["type"]) || 
5538                                                                 preg_match("/\.(jpg|png|gif|bmp)/i", $entry["filename"])) {
5539                                                                 print "<p><img 
5540                                                                         alt=\"".htmlspecialchars($entry["filename"])."\"
5541                                                                         src=\"" .htmlspecialchars($entry["url"]) . "\"></p>";
5542                                                         }
5543                                                 }
5544                                         }
5545                                 }
5546
5547                                 print "<div class=\"cdmEnclosures\">";
5548
5549                                 if (db_num_rows($e_result) == 1) {
5550                                         print __("Attachment:") . " ";
5551                                 } else {
5552                                         print __("Attachments:") . " ";
5553                                 }
5554
5555                                 print join(", ", $entries_html);
5556
5557                                 print "</div>";
5558                         }
5559
5560
5561                                         print "<br clear='both'>";
5562 //                                      print "</div>";
5563
5564 /*                                      if (!$expand_cdm) {
5565                                                 print "<a id=\"CICH-$id\" 
5566                                                         href=\"javascript:cdmExpandArticle($id)\">
5567                                                         Show article</a>";
5568                                         } */
5569
5570                                         print "</div>";
5571
5572                                         print "<div class=\"cdmFooter\"><span class='s0'>";
5573
5574                                         /* print "<div class=\"markedPic\">Star it: $marked_pic</div>"; */
5575
5576                                         print __("Select:").
5577                                                         " <input type=\"checkbox\" onclick=\"toggleSelectRowById(this, 
5578                                                         'RROW-$id')\" class=\"feedCheckBox\" id=\"RCHK-$id\">";
5579
5580                                         print "</span><span class='s1'>$marked_pic&nbsp;";
5581                                         print "$published_pic&nbsp;";
5582                                         print "<img src=\"images/art-zoom.png\" class='tagsPic' 
5583                                                 onclick=\"zoomToArticle($id)\"
5584                                                 style=\"cursor : pointer\"
5585                                                 alt='Zoom' 
5586                                                 title='".__('Show article summary in new window')."'>&nbsp;";
5587
5588                                         $note_escaped = htmlspecialchars($line['note'], ENT_QUOTES);
5589
5590                                         print "<img src=\"images/art-pub-note.png\" class='tagsPic' 
5591                                                 style=\"cursor : pointer\" style=\"cursor : pointer\"
5592                                                 onclick=\"publishWithNote($id, '$note_escaped')\"
5593                                                 alt='PubNote' title='".__('Publish article with a note')."'>";
5594
5595                                         print "</span>";
5596
5597                                         $tags_str = format_tags_string(get_article_tags($link, $id), $id);
5598
5599                                         print "<span class='s1'>
5600                                                 <img class='tagsPic' src='".theme_image($link,
5601                                                         'images/tag.png')."' alt='Tags' title='Tags'>
5602                                                 <span id=\"ATSTR-$id\">$tags_str</span>
5603                                                 <a title=\"".__('Edit tags for this article')."\" 
5604                                                 href=\"javascript:editArticleTags($id, $feed_id, true)\">(+)</a>";
5605
5606                                         print "</span>";
5607
5608                                         print "<span class='s2'><a class=\"cdmToggleLink\"
5609                                                         href=\"javascript:toggleUnread($id)\">
5610                                                         ".__('toggle unread')."</a></span>";
5611
5612                                         print "</div>";
5613                                         print "</div>"; 
5614
5615                                 }                               
5616         
5617                                 ++$lnum;
5618                         }
5619
5620                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE') && !$offset) {                    
5621                                 print "</table>";
5622                         }
5623
5624                 } else {
5625                         $message = "";
5626
5627                         switch ($view_mode) {
5628                                 case "unread":
5629                                         $message = __("No unread articles found to display.");
5630                                         break;
5631                                 case "updated":
5632                                         $message = __("No updated articles found to display.");
5633                                         break;
5634                                 case "marked":
5635                                         $message = __("No starred articles found to display.");
5636                                         break;
5637                                 default:
5638                                         if ($feed < -10) {
5639                                                 $message = __("No articles found to display. You can assign articles to labels manually (see the Actions menu above) or use a filter.");
5640                                         } else {
5641                                                 $message = __("No articles found to display.");
5642                                         }
5643                         }
5644
5645                         if (!$offset) print "<div class='whiteBox'>$message</div>";
5646                 }
5647
5648                 if (!$offset) {
5649                         print "</div>";
5650                         print "</div>";
5651                 }
5652
5653                 return array($topmost_article_ids, $headlines_count, $feed, $disable_cache, $vgroup_last_feed);
5654         }
5655
5656 // from here: http://www.roscripts.com/Create_tag_cloud-71.html
5657
5658         function printTagCloud($link) {
5659
5660                 $query = "SELECT tag_name, COUNT(post_int_id) AS count 
5661                         FROM ttrss_tags WHERE owner_uid = ".$_SESSION["uid"]." 
5662                         GROUP BY tag_name ORDER BY count DESC LIMIT 50";
5663
5664                 $result = db_query($link, $query);
5665
5666                 $tags = array();
5667
5668                 while ($line = db_fetch_assoc($result)) {
5669                         $tags[$line["tag_name"]] = $line["count"];
5670                 }
5671
5672                 ksort($tags);
5673
5674                 $max_size = 32; // max font size in pixels
5675                 $min_size = 11; // min font size in pixels
5676                    
5677                 // largest and smallest array values
5678                 $max_qty = max(array_values($tags));
5679                 $min_qty = min(array_values($tags));
5680                    
5681                 // find the range of values
5682                 $spread = $max_qty - $min_qty;
5683                 if ($spread == 0) { // we don't want to divide by zero
5684                                 $spread = 1;
5685                 }
5686                    
5687                 // set the font-size increment
5688                 $step = ($max_size - $min_size) / ($spread);
5689                    
5690                 // loop through the tag array
5691                 foreach ($tags as $key => $value) {
5692                         // calculate font-size
5693                         // find the $value in excess of $min_qty
5694                         // multiply by the font-size increment ($size)
5695                         // and add the $min_size set above
5696                         $size = round($min_size + (($value - $min_qty) * $step));
5697
5698                         $key_escaped = str_replace("'", "\\'", $key);
5699
5700                         echo "<a href=\"javascript:viewfeed('$key_escaped') \" style=\"font-size: " . 
5701                                 $size . "px\" title=\"$value articles tagged with " . 
5702                                 $key . '">' . $key . '</a> ';
5703                 }
5704         }
5705
5706         function print_checkpoint($n, $s) {
5707                 $ts = getmicrotime();   
5708                 echo sprintf("<!-- CP[$n] %.4f seconds -->", $ts - $s);
5709                 return $ts;
5710         }
5711
5712         function sanitize_tag($tag) {
5713                 $tag = trim($tag);
5714
5715                 $tag = mb_strtolower($tag, 'utf-8');
5716
5717                 $tag = preg_replace('/[\"\+\>\<]/', "", $tag);  
5718
5719 //              $tag = str_replace('"', "", $tag);      
5720 //              $tag = str_replace("+", " ", $tag);     
5721                 $tag = str_replace("technorati tag: ", "", $tag);
5722
5723                 return $tag;
5724         }
5725
5726         function generate_publish_key() {
5727                 return sha1(uniqid(rand(), true));
5728         }
5729
5730         function article_publish_url($link) {
5731
5732                 $url_path = "";
5733                 
5734
5735                 if ($_SERVER['HTTPS'] != "on") {
5736                         $url_path = "http://";
5737                 } else {
5738                         $url_path = "https://";
5739                 }
5740
5741                 $url_path .= $_SERVER['HTTP_HOST'].dirname($_SERVER['PHP_SELF']);
5742                 $url_path .= "/backend.php?op=publish&key=" . 
5743                         get_pref($link, "_PREFS_PUBLISH_KEY", $_SESSION["uid"]);
5744
5745                 return $url_path;
5746         }
5747         function opml_publish_url($link){
5748                 $url_path = "";
5749                 
5750
5751                 if ($_SERVER['HTTPS'] != "on") {
5752                         $url_path = "http://";
5753                 } else {
5754                         $url_path = "https://";
5755                 }
5756
5757                 $url_path .= $_SERVER['HTTP_HOST'].dirname($_SERVER['PHP_SELF']);
5758                 $url_path .= "/opml.php?op=publish&key=" . 
5759                         get_pref($link, "_PREFS_PUBLISH_KEY", $_SESSION["uid"]);
5760
5761                 return $url_path;
5762         }
5763
5764         /**
5765          * Purge a feed contents, marked articles excepted.
5766          * 
5767          * @param mixed $link The database connection.
5768          * @param integer $id The id of the feed to purge.
5769          * @return void
5770          */
5771         function clear_feed_articles($link, $id) {
5772
5773                 if ($id != 0) {
5774                         $result = db_query($link, "DELETE FROM ttrss_user_entries
5775                         WHERE feed_id = '$id' AND marked = false AND owner_uid = " . $_SESSION["uid"]);
5776                 } else {
5777                         $result = db_query($link, "DELETE FROM ttrss_user_entries
5778                         WHERE feed_id IS NULL AND marked = false AND owner_uid = " . $_SESSION["uid"]);
5779                 }
5780
5781                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE 
5782                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
5783
5784                 ccache_update($link, $id, $_SESSION['uid']);
5785         } // function clear_feed_articles
5786
5787         /**
5788          * Compute the Mozilla Firefox feed adding URL from server HOST and REQUEST_URI.
5789          *
5790          * @return string The Mozilla Firefox feed adding URL.
5791          */
5792         function add_feed_url() {
5793                 $url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' :  'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
5794                 $url_path .= "?op=pref-feeds&quiet=1&subop=add&feed_url=%s";
5795                 return $url_path;
5796         } // function add_feed_url
5797
5798         /**
5799          * Encrypt a password in SHA1.
5800          * 
5801          * @param string $pass The password to encrypt.
5802          * @param string $login A optionnal login.
5803          * @return string The encrypted password.
5804          */
5805         function encrypt_password($pass, $login = '') {
5806                 if ($login) {
5807                         return "SHA1X:" . sha1("$login:$pass");
5808                 } else {
5809                         return "SHA1:" . sha1($pass);
5810                 }
5811         } // function encrypt_password
5812
5813         /**
5814          * Update a feed batch.
5815          * Used by daemons to update n feeds by run.
5816          * Only update feed needing a update, and not being processed
5817          * by another process.
5818          * 
5819          * @param mixed $link Database link
5820          * @param integer $limit Maximum number of feeds in update batch. Default to DAEMON_FEED_LIMIT.
5821          * @param boolean $from_http Set to true if you call this function from http to disable cli specific code.
5822          * @param boolean $debug Set to false to disable debug output. Default to true.
5823          * @return void
5824          */
5825         function update_daemon_common($link, $limit = DAEMON_FEED_LIMIT, $from_http = false, $debug = true) {
5826                 // Process all other feeds using last_updated and interval parameters
5827
5828                 // Test if the user has loggued in recently. If not, it does not update its feeds.
5829                 if (DAEMON_UPDATE_LOGIN_LIMIT > 0) {
5830                         if (DB_TYPE == "pgsql") {
5831                                 $login_thresh_qpart = "AND ttrss_users.last_login >= NOW() - INTERVAL '".DAEMON_UPDATE_LOGIN_LIMIT." days'";
5832                         } else {
5833                                 $login_thresh_qpart = "AND ttrss_users.last_login >= DATE_SUB(NOW(), INTERVAL ".DAEMON_UPDATE_LOGIN_LIMIT." DAY)";
5834                         }                       
5835                 } else {
5836                         $login_thresh_qpart = "";
5837                 }
5838
5839                 // Test if the feed need a update (update interval exceded).
5840                 if (DB_TYPE == "pgsql") {
5841                         $update_limit_qpart = "AND ((
5842                                         ttrss_feeds.update_interval = 0
5843                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_user_prefs.value || ' minutes') AS INTERVAL)
5844                                 ) OR (
5845                                         ttrss_feeds.update_interval > 0
5846                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_feeds.update_interval || ' minutes') AS INTERVAL)
5847                                 ) OR ttrss_feeds.last_updated IS NULL)";
5848                 } else {
5849                         $update_limit_qpart = "AND ((
5850                                         ttrss_feeds.update_interval = 0
5851                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL CONVERT(ttrss_user_prefs.value, SIGNED INTEGER) MINUTE)
5852                                 ) OR (
5853                                         ttrss_feeds.update_interval > 0
5854                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL ttrss_feeds.update_interval MINUTE)
5855                                 ) OR ttrss_feeds.last_updated IS NULL)";
5856                 }
5857
5858                 // Test if feed is currently being updated by another process.
5859                 if (DB_TYPE == "pgsql") {
5860                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
5861                 } else {
5862                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
5863                 }
5864
5865                 // Test if there is a limit to number of updated feeds
5866                 $query_limit = "";
5867                 if($limit) $query_limit = sprintf("LIMIT %d", $limit);
5868
5869                 $random_qpart = sql_random_function();
5870
5871                 // We search for feed needing update.
5872                 $result = db_query($link, "SELECT ttrss_feeds.feed_url,ttrss_feeds.id, ttrss_feeds.owner_uid,
5873                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
5874                                 ttrss_feeds.update_interval 
5875                         FROM 
5876                                 ttrss_feeds, ttrss_users, ttrss_user_prefs
5877                         WHERE
5878                                 ttrss_feeds.owner_uid = ttrss_users.id
5879                                 AND ttrss_users.id = ttrss_user_prefs.owner_uid
5880                                 AND ttrss_user_prefs.pref_name = 'DEFAULT_UPDATE_INTERVAL'
5881                                 $login_thresh_qpart $update_limit_qpart
5882                          $updstart_thresh_qpart
5883                         ORDER BY $random_qpart $query_limit");
5884
5885                 $user_prefs_cache = array();
5886
5887                 if($debug) _debug(sprintf("Scheduled %d feeds to update...\n", db_num_rows($result)));
5888
5889                 // Here is a little cache magic in order to minimize risk of double feed updates.
5890                 $feeds_to_update = array();
5891                 while ($line = db_fetch_assoc($result)) {
5892                         $feeds_to_update[$line['id']] = $line;
5893                 }
5894
5895                 // We update the feed last update started date before anything else.
5896                 // There is no lag due to feed contents downloads
5897                 // It prevent an other process to update the same feed.
5898                 $feed_ids = array_keys($feeds_to_update);
5899                 if($feed_ids) {
5900                         db_query($link, sprintf("UPDATE ttrss_feeds SET last_update_started = NOW()
5901                                 WHERE id IN (%s)", implode(',', $feed_ids)));
5902                 }
5903
5904                 // For each feed, we call the feed update function.
5905                 while ($line = array_pop($feeds_to_update)) {
5906
5907                         if($debug) _debug("Feed: " . $line["feed_url"] . ", " . $line["last_updated"]);
5908
5909                         update_rss_feed($link, $line["id"], true);
5910
5911                         sleep(1); // prevent flood (FIXME make this an option?)
5912                 }
5913
5914                 // Send feed digests by email if needed.
5915                 if (DAEMON_SENDS_DIGESTS) send_headlines_digests($link);
5916
5917                 purge_orphans($link);
5918
5919         } // function update_daemon_common
5920
5921         function sanitize_article_content($text) {
5922                 # we don't support CDATA sections in articles, they break our own escaping
5923                 $text = preg_replace("/\[\[CDATA/", "", $text);
5924                 $text = preg_replace("/\]\]\>/", "", $text);
5925                 return $text;
5926         }
5927
5928         function load_filters($link, $feed, $owner_uid, $action_id = false) {
5929                 $filters = array();
5930
5931                 global $memcache;
5932
5933                 $obj_id = md5("FILTER:$feed:$owner_uid:$action_id");
5934
5935                 if ($memcache && $obj = $memcache->get($obj_id)) {
5936
5937                         return $obj;
5938
5939                 } else {
5940
5941                         if ($action_id) $ftype_query_part = "action_id = '$action_id' AND";
5942         
5943                         $result = db_query($link, "SELECT reg_exp,
5944                                 ttrss_filter_types.name AS name,
5945                                 ttrss_filter_actions.name AS action,
5946                                 inverse,
5947                                 action_param,
5948                                 filter_param
5949                                 FROM ttrss_filters,ttrss_filter_types,ttrss_filter_actions WHERE                                        
5950                                         enabled = true AND
5951                                         $ftype_query_part
5952                                         owner_uid = $owner_uid AND
5953                                         ttrss_filter_types.id = filter_type AND
5954                                         ttrss_filter_actions.id = action_id AND
5955                                         (feed_id IS NULL OR feed_id = '$feed') ORDER BY reg_exp");
5956         
5957                         while ($line = db_fetch_assoc($result)) {
5958                                 if (!$filters[$line["name"]]) $filters[$line["name"]] = array();
5959                                         $filter["reg_exp"] = $line["reg_exp"];
5960                                         $filter["action"] = $line["action"];
5961                                         $filter["action_param"] = $line["action_param"];
5962                                         $filter["filter_param"] = $line["filter_param"];
5963                                         $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
5964                                 
5965                                         array_push($filters[$line["name"]], $filter);
5966                                 }
5967
5968                         if ($memcache) $memcache->add($obj_id, $filters, 0, 3600*8);
5969
5970                         return $filters;
5971                 }
5972         }
5973
5974         function get_score_pic($score) {
5975                 if ($score > 100) { 
5976                         return "score_high.png"; 
5977                 } else if ($score > 0) { 
5978                         return "score_half_high.png";
5979                 } else if ($score < -100) {
5980                         return "score_low.png";
5981                 } else if ($score < 0) {
5982                         return "score_half_low.png";
5983                 } else { 
5984                         return "score_neutral.png";
5985                 }
5986         }
5987
5988         function rounded_table_start($classname, $header = "&nbsp;") {
5989                 print "<table width='100%' class='$classname' cellspacing='0' cellpadding='0'>";
5990                 print "<tr><td class='c1'>&nbsp;</td><td class='top'>$header</td><td class='c2'>&nbsp;</td></tr>";
5991                 print "<tr><td class='left'>&nbsp;</td><td class='content'>";
5992         }
5993
5994         function rounded_table_end($footer = "&nbsp;") {
5995                 print "</td><td class='right'>&nbsp;</td></tr>";
5996                 print "<tr><td class='c4'>&nbsp;</td><td class='bottom'>$footer</td><td class='c3'>&nbsp;</td></tr>";
5997                 print "</table>";
5998         }
5999
6000         function feed_has_icon($id) {
6001                 return is_file(ICONS_DIR . "/$id.ico") && filesize(ICONS_DIR . "/$id.ico") > 0;
6002         }
6003
6004         function init_connection($link) {
6005                 if (DB_TYPE == "pgsql") {
6006                         pg_query($link, "set client_encoding = 'UTF-8'");
6007                         pg_set_client_encoding("UNICODE");
6008                         pg_query($link, "set datestyle = 'ISO, european'");
6009                 } else {
6010                         if (defined('MYSQL_CHARSET') && MYSQL_CHARSET) {
6011                                 db_query($link, "SET NAMES " . MYSQL_CHARSET);
6012         //                      db_query($link, "SET CHARACTER SET " . MYSQL_CHARSET);
6013                         }
6014                 }
6015         }
6016
6017         function update_feedbrowser_cache($link) {
6018
6019                 $result = db_query($link, "SELECT feed_url,title, COUNT(id) AS subscribers
6020                         FROM ttrss_feeds WHERE (SELECT COUNT(id) = 0 FROM ttrss_feeds AS tf 
6021                                 WHERE tf.feed_url = ttrss_feeds.feed_url 
6022                                 AND (private IS true OR feed_url LIKE '%:%@%/%')) 
6023                                 GROUP BY feed_url, title ORDER BY subscribers DESC LIMIT 1000");
6024         
6025                 db_query($link, "BEGIN");
6026         
6027                 db_query($link, "DELETE FROM ttrss_feedbrowser_cache");
6028         
6029                 $count = 0;
6030         
6031                 while ($line = db_fetch_assoc($result)) {
6032                         $subscribers = db_escape_string($line["subscribers"]);
6033                         $feed_url = db_escape_string($line["feed_url"]);
6034                         $title = db_escape_string($line["title"]);
6035
6036                         $tmp_result = db_query($link, "SELECT subscribers FROM
6037                                 ttrss_feedbrowser_cache WHERE feed_url = '$feed_url'");
6038
6039                         if (db_num_rows($tmp_result) == 0) {
6040
6041                                 db_query($link, "INSERT INTO ttrss_feedbrowser_cache 
6042                                         (feed_url, title, subscribers) VALUES ('$feed_url', 
6043                                                 '$title', '$subscribers')");
6044
6045                                 ++$count;
6046
6047                         }
6048         
6049                 }
6050         
6051                 db_query($link, "COMMIT");
6052
6053                 return $count;
6054
6055         }
6056
6057         function ccache_zero($link, $feed_id, $owner_uid) {
6058                 db_query($link, "UPDATE ttrss_counters_cache SET
6059                         value = 0, updated = NOW() WHERE
6060                         feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
6061         }
6062
6063         function ccache_zero_all($link, $owner_uid) {
6064                 db_query($link, "UPDATE ttrss_counters_cache SET
6065                         value = 0 WHERE owner_uid = '$owner_uid'");
6066
6067                 db_query($link, "UPDATE ttrss_cat_counters_cache SET
6068                         value = 0 WHERE owner_uid = '$owner_uid'");
6069         }
6070
6071         function ccache_remove($link, $feed_id, $owner_uid, $is_cat = false) {
6072
6073                 if (!$is_cat) {
6074                         $table = "ttrss_counters_cache";
6075                 } else {
6076                         $table = "ttrss_cat_counters_cache";
6077                 }
6078
6079                 db_query($link, "DELETE FROM $table WHERE
6080                         feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
6081
6082         }
6083
6084         function ccache_update_all($link, $owner_uid) {
6085
6086                 if (get_pref($link, 'ENABLE_FEED_CATS', $owner_uid)) {
6087
6088                         $result = db_query($link, "SELECT feed_id FROM ttrss_cat_counters_cache
6089                                 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
6090
6091                         while ($line = db_fetch_assoc($result)) {
6092                                 ccache_update($link, $line["feed_id"], $owner_uid, true);
6093                         }
6094
6095                         /* We have to manually include category 0 */
6096
6097                         ccache_update($link, 0, $owner_uid, true);
6098
6099                 } else {
6100                         $result = db_query($link, "SELECT feed_id FROM ttrss_counters_cache
6101                                 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
6102
6103                         while ($line = db_fetch_assoc($result)) {
6104                                 print ccache_update($link, $line["feed_id"], $owner_uid);
6105
6106                         }
6107
6108                 }
6109         }
6110
6111         function ccache_find($link, $feed_id, $owner_uid, $is_cat = false, 
6112                 $no_update = false) {
6113
6114                 if (!is_numeric($feed_id)) return;
6115
6116                 if (!$is_cat) {
6117                         $table = "ttrss_counters_cache";
6118                         if ($feed_id > 0) {
6119                                 $tmp_result = db_query($link, "SELECT owner_uid FROM ttrss_feeds 
6120                                         WHERE id = '$feed_id'");
6121                                 $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
6122                         }
6123                 } else {
6124                         $table = "ttrss_cat_counters_cache";
6125                 }
6126
6127                 if (DB_TYPE == "pgsql") {
6128                         $date_qpart = "updated > NOW() - INTERVAL '15 minutes'";
6129                 } else if (DB_TYPE == "mysql") {
6130                         $date_qpart = "updated > DATE_SUB(NOW(), INTERVAL 15 MINUTE)";
6131                 }
6132
6133                 $result = db_query($link, "SELECT value FROM $table
6134                         WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id' 
6135                         LIMIT 1");
6136
6137                 if (db_num_rows($result) == 1) {
6138                         return db_fetch_result($result, 0, "value");
6139                 } else {
6140                         if ($no_update) {
6141                                 return -1;
6142                         } else {
6143                                 return ccache_update($link, $feed_id, $owner_uid, $is_cat);
6144                         }
6145                 }
6146
6147         }
6148
6149         function ccache_update($link, $feed_id, $owner_uid, $is_cat = false, 
6150                 $update_pcat = true) {
6151
6152                 if (!is_numeric($feed_id)) return;
6153
6154                 if (!$is_cat && $feed_id > 0) {
6155                         $tmp_result = db_query($link, "SELECT owner_uid FROM ttrss_feeds 
6156                                 WHERE id = '$feed_id'");
6157                         $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
6158                 }
6159
6160                 $prev_unread = ccache_find($link, $feed_id, $owner_uid, $is_cat, true);
6161
6162                 /* When updating a label, all we need to do is recalculate feed counters
6163                  * because labels are not cached */
6164
6165                 if ($feed_id < 0) {
6166                         ccache_update_all($link, $owner_uid);
6167                         return;
6168                 }
6169
6170                 if (!$is_cat) {
6171                         $table = "ttrss_counters_cache";
6172                 } else {
6173                         $table = "ttrss_cat_counters_cache";
6174                 }
6175
6176                 if ($is_cat && $feed_id >= 0) {
6177                         if ($feed_id != 0) {
6178                                 $cat_qpart = "cat_id = '$feed_id'";
6179                         } else {
6180                                 $cat_qpart = "cat_id IS NULL";
6181                         }
6182
6183                         /* Recalculate counters for child feeds */
6184
6185                         $result = db_query($link, "SELECT id FROM ttrss_feeds
6186                                                 WHERE owner_uid = '$owner_uid' AND $cat_qpart");
6187
6188                         while ($line = db_fetch_assoc($result)) {
6189                                 ccache_update($link, $line["id"], $owner_uid, false, false);
6190                         }
6191
6192                         $result = db_query($link, "SELECT SUM(value) AS sv 
6193                                 FROM ttrss_counters_cache, ttrss_feeds 
6194                                 WHERE id = feed_id AND $cat_qpart AND 
6195                                 ttrss_feeds.owner_uid = '$owner_uid'");
6196
6197                         $unread = (int) db_fetch_result($result, 0, "sv");
6198
6199                 } else {
6200                         $unread = (int) getFeedArticles($link, $feed_id, $is_cat, true, $owner_uid);
6201                 }
6202
6203                 db_query($link, "BEGIN");
6204
6205                 $result = db_query($link, "SELECT feed_id FROM $table
6206                         WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id' LIMIT 1");
6207
6208                 if (db_num_rows($result) == 1) {
6209                         db_query($link, "UPDATE $table SET
6210                                 value = '$unread', updated = NOW() WHERE
6211                                 feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
6212
6213                 } else {
6214                         db_query($link, "INSERT INTO $table
6215                                 (feed_id, value, owner_uid, updated) 
6216                                 VALUES 
6217                                 ($feed_id, $unread, $owner_uid, NOW())");
6218                 }
6219
6220                 db_query($link, "COMMIT");
6221
6222                 if ($feed_id > 0 && $prev_unread != $unread) {
6223
6224                         if (!$is_cat) {
6225
6226                                 /* Update parent category */
6227
6228                                 if ($update_pcat) {
6229
6230                                         $result = db_query($link, "SELECT cat_id FROM ttrss_feeds
6231                                                 WHERE owner_uid = '$owner_uid' AND id = '$feed_id'");
6232
6233                                         $cat_id = (int) db_fetch_result($result, 0, "cat_id");
6234
6235                                         ccache_update($link, $cat_id, $owner_uid, true);
6236
6237                                 }
6238                         }
6239                 } else if ($feed_id < 0) {
6240                         ccache_update_all($link, $owner_uid);
6241                 }
6242
6243                 return $unread;
6244         }
6245
6246         function label_find_id($link, $label, $owner_uid) {
6247                 $result = db_query($link, 
6248                         "SELECT id FROM ttrss_labels2 WHERE caption = '$label' 
6249                                 AND owner_uid = '$owner_uid' LIMIT 1");
6250
6251                 if (db_num_rows($result) == 1) {
6252                         return db_fetch_result($result, 0, "id");
6253                 } else {
6254                         return 0;
6255                 }
6256         }
6257
6258         function get_article_labels($link, $id) {
6259                 global $memcache;
6260
6261                 $result = db_query($link, 
6262                         "SELECT DISTINCT label_id,caption,fg_color,bg_color 
6263                                 FROM ttrss_labels2, ttrss_user_labels2 
6264                         WHERE id = label_id 
6265                                 AND article_id = '$id' 
6266                                 AND owner_uid = ".$_SESSION["uid"] . "
6267                         ORDER BY caption");
6268
6269                 $obj_id = md5("LABELS:$id:" . $_SESSION["uid"]);
6270
6271                 $rv = array();
6272
6273                 if ($memcache && $obj = $memcache->get($obj_id)) {
6274                         return $obj;
6275                 } else {
6276                         while ($line = db_fetch_assoc($result)) {
6277                                 $rk = array($line["label_id"], $line["caption"], $line["fg_color"],
6278                                         $line["bg_color"]);
6279                                 array_push($rv, $rk);
6280                         }
6281                         if ($memcache) $memcache->add($obj_id, $rv, 0, 3600);
6282                 }
6283
6284                 return $rv;
6285         }
6286
6287
6288         function label_find_caption($link, $label, $owner_uid) {
6289                 $result = db_query($link, 
6290                         "SELECT caption FROM ttrss_labels2 WHERE id = '$label' 
6291                                 AND owner_uid = '$owner_uid' LIMIT 1");
6292
6293                 if (db_num_rows($result) == 1) {
6294                         return db_fetch_result($result, 0, "caption");
6295                 } else {
6296                         return "";
6297                 }
6298         }
6299
6300         function label_remove_article($link, $id, $label, $owner_uid) {
6301
6302                 $label_id = label_find_id($link, $label, $owner_uid);
6303
6304                 if (!$label_id) return;
6305
6306                 $result = db_query($link, 
6307                         "DELETE FROM ttrss_user_labels2
6308                         WHERE 
6309                                 label_id = '$label_id' AND
6310                                 article_id = '$id'");
6311         }
6312
6313         function label_add_article($link, $id, $label, $owner_uid) {
6314
6315                 global $memcache;
6316
6317                 if ($memcache) {
6318                         $obj_id = md5("LABELS:$id:$owner_uid");
6319                         $memcache->delete($obj_id);
6320                 }
6321
6322                 $label_id = label_find_id($link, $label, $owner_uid);
6323
6324                 if (!$label_id) return;
6325
6326                 $result = db_query($link, 
6327                         "SELECT 
6328                                 article_id FROM ttrss_labels2, ttrss_user_labels2
6329                         WHERE 
6330                                 label_id = id AND 
6331                                 label_id = '$label_id' AND
6332                                 article_id = '$id' AND owner_uid = '$owner_uid'
6333                         LIMIT 1");
6334
6335                 if (db_num_rows($result) == 0) {
6336                         db_query($link, "INSERT INTO ttrss_user_labels2 
6337                                 (label_id, article_id) VALUES ('$label_id', '$id')");
6338                 }
6339         }
6340
6341         function label_remove($link, $id, $owner_uid) {
6342                 global $memcache;
6343
6344                 if ($memcache) {
6345                         $obj_id = md5("LABELS:$id:$owner_uid");
6346                         $memcache->delete($obj_id);
6347                 }
6348
6349                 db_query($link, "BEGIN");
6350
6351                 $result = db_query($link, "SELECT caption FROM ttrss_labels2
6352                         WHERE id = '$id'");
6353
6354                 $caption = db_fetch_result($result, 0, "caption");
6355
6356                 $result = db_query($link, "DELETE FROM ttrss_labels2 WHERE id = '$id'
6357                         AND owner_uid = " . $_SESSION["uid"]);
6358
6359                 if (db_affected_rows($link, $result) != 0 && $caption) {
6360
6361                         /* Disable filters that reference label being removed */
6362         
6363                         db_query($link, "UPDATE ttrss_filters SET
6364                                 enabled = false WHERE action_param = '$caption'
6365                                         AND action_id = 7
6366                                         AND owner_uid = " . $_SESSION["uid"]);
6367                         }
6368
6369                 db_query($link, "COMMIT");
6370         }
6371
6372         function label_create($link, $caption) {
6373
6374                 db_query($link, "BEGIN");
6375
6376                 $result = false;
6377
6378                 $result = db_query($link, "SELECT id FROM ttrss_labels2
6379                         WHERE caption = '$caption' AND owner_uid =  ". $_SESSION["uid"]);
6380
6381                 if (db_num_rows($result) == 0) {
6382                         $result = db_query($link,
6383                                 "INSERT INTO ttrss_labels2 (caption,owner_uid) 
6384                                         VALUES ('$caption', '".$_SESSION["uid"]."')");
6385
6386                         $result = db_affected_rows($link, $result) != 0;
6387                 }
6388
6389                 db_query($link, "COMMIT");
6390
6391                 return $result;
6392         }
6393
6394         function print_labels_headlines_dropdown($link, $feed_id) {
6395                 print "<li onclick=\"javascript:addLabel()\">
6396                         &nbsp;&nbsp;".__("Create label...")."</li>";
6397
6398                 $result = db_query($link, "SELECT id, caption FROM ttrss_labels2 WHERE
6399                         owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
6400
6401                 while ($line = db_fetch_assoc($result)) {
6402
6403                         $label_id = $line["id"];
6404                         $label_caption = $line["caption"];
6405
6406                         if ($feed_id < -10 && $feed_id == -11-$label_id) {
6407                                 print "<li id=\"LHDL-$id\" 
6408                                         onclick=\"javascript:selectionRemoveLabel($label_id)\">
6409                                         &nbsp;&nbsp;$label_caption ".__('(remove)')."</li>";
6410                         } else {                                        
6411                                 print "<li id=\"LHDL-$id\" 
6412                                         onclick=\"javascript:selectionAssignLabel($label_id)\">
6413                                         &nbsp;&nbsp;$label_caption</li>";
6414                         }
6415                 }
6416         }
6417
6418         function format_tags_string($tags, $id) {
6419
6420                 $tags_str = "";
6421                 $tags_nolinks_str = "";
6422
6423                 $num_tags = 0;
6424
6425 /*              if (get_user_theme($link) == "3pane") {
6426                         $tag_limit = 3;
6427                 } else {
6428                         $tag_limit = 6;
6429                 } */
6430
6431                 $tag_limit = 6;
6432
6433                 $formatted_tags = array();
6434
6435                 foreach ($tags as $tag) {
6436                         $num_tags++;
6437                         $tag_escaped = str_replace("'", "\\'", $tag);
6438
6439                         if (mb_strlen($tag) > 30) {
6440                                 $tag = truncate_string($tag, 30);
6441                         }
6442
6443                         $tag_str = "<a href=\"javascript:viewfeed('$tag_escaped')\">$tag</a>";
6444
6445                         array_push($formatted_tags, $tag_str);
6446
6447                         $tmp_tags_str = implode(", ", $formatted_tags);
6448                                 
6449                         if ($num_tags == $tag_limit || mb_strlen($tmp_tags_str) > 150) {
6450                                 break;
6451                         }
6452                 }
6453
6454                 $tags_str = implode(", ", $formatted_tags);
6455
6456                 if ($num_tags < count($tags)) {
6457                         $tags_str .= ", &hellip;";
6458                 }
6459
6460                 if ($num_tags == 0) {
6461                         $tags_str = __("no tags");
6462                 }
6463
6464                 return $tags_str;
6465
6466         }
6467
6468         function format_article_labels($labels, $id) {
6469
6470                 $labels_str = "";
6471
6472                 foreach ($labels as $l) {
6473                         $labels_str .= sprintf("<span class='hlLabelRef' 
6474                                 style='color : %s; background-color : %s'>%s</span>",
6475                                         $l[2], $l[3], $l[1]);
6476                         }
6477
6478                 return $labels_str;
6479
6480         }
6481
6482         function format_article_note($id, $note) {
6483
6484                 $note_escaped = htmlspecialchars($note, ENT_QUOTES);
6485
6486                 $str = "<div class='articleNote'>";
6487                 $str .= $note;
6488                 $str .= "<div class='articleNoteOps'>";
6489                 $str .= "<a href=\"javascript:publishWithNote($id, '$note_escaped')\">".
6490                         __('edit note')."</a>";
6491                 $str .= "</div>";
6492                 $str .= "</div>";
6493
6494                 return $str;
6495         }
6496
6497         function toggle_collapse_cat($link, $cat_id) {
6498                 if ($cat_id > 0) {
6499                         db_query($link, "UPDATE ttrss_feed_categories SET
6500                                 collapsed = NOT collapsed WHERE id = '$cat_id' AND owner_uid = " . 
6501                                 $_SESSION["uid"]);
6502                 } else {
6503                         $pref_name = '';
6504
6505                         switch ($cat_id) {
6506                         case -1:
6507                                 $pref_name = '_COLLAPSED_SPECIAL';
6508                                 break;
6509                         case -2:
6510                                 $pref_name = '_COLLAPSED_LABELS';
6511                                 break;
6512                         case 0:
6513                                 $pref_name = '_COLLAPSED_UNCAT';
6514                                 break;
6515                         }
6516
6517                         if ($pref_name) {
6518                                 if (get_pref($link, $pref_name)) {
6519                                         set_pref($link, $pref_name, 'false');
6520                                 } else {
6521                                         set_pref($link, $pref_name, 'true');
6522                                 }
6523                         }
6524                 }
6525         }
6526
6527         function remove_feed($link, $id, $owner_uid) {
6528
6529                 if ($id > 0) {
6530
6531                         /* save starred articles in Archived feed */
6532
6533                         db_query($link, "BEGIN");
6534
6535                         /* prepare feed if necessary */
6536
6537                         $result = db_query($link, "SELECT id FROM ttrss_archived_feeds
6538                                 WHERE id = '$id'");
6539
6540                         if (db_num_rows($result) == 0) {
6541                                 db_query($link, "INSERT INTO ttrss_archived_feeds 
6542                                         (id, owner_uid, title, feed_url, site_url)
6543                                 SELECT id, owner_uid, title, feed_url, site_url from ttrss_feeds
6544                                 WHERE id = '$id'");
6545                         }
6546
6547                         db_query($link, "UPDATE ttrss_user_entries SET feed_id = NULL,
6548                                 orig_feed_id = '$id' WHERE feed_id = '$id' AND 
6549                                         marked = true AND owner_uid = $owner_uid");
6550
6551                         /* remove the feed */
6552
6553                         db_query($link, "DELETE FROM ttrss_feeds 
6554                                         WHERE id = '$id' AND owner_uid = $owner_uid");
6555
6556                         db_query($link, "COMMIT");
6557
6558 /*                      if (file_exists(ICONS_DIR . "/$id.ico")) {
6559                                 unlink(ICONS_DIR . "/$id.ico");
6560                         } */
6561
6562                         ccache_remove($link, $id, $owner_uid);
6563
6564                 } else {
6565                         label_remove($link, -11-$id, $owner_uid);
6566                         ccache_remove($link, -11-$id, $owner_uid);
6567                 }
6568         }
6569
6570         function remove_feed_category($link, $id, $owner_uid) {
6571
6572                 db_query($link, "DELETE FROM ttrss_feed_categories
6573                         WHERE id = '$id' AND owner_uid = $owner_uid");
6574
6575                 ccache_remove($link, $id, $owner_uid, true);
6576         }
6577
6578         function archive_article($link, $id, $owner_uid) {
6579                 db_query($link, "BEGIN");
6580
6581                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
6582                         WHERE ref_id = '$id' AND owner_uid = $owner_uid");
6583
6584                 if (db_num_rows($result) != 0) {
6585
6586                         /* prepare the archived table */
6587
6588                         $feed_id = (int) db_fetch_result($result, 0, "feed_id");
6589
6590                         if ($feed_id) {
6591                                 $result = db_query($link, "SELECT id FROM ttrss_archived_feeds
6592                                         WHERE id = '$feed_id'");
6593
6594                                 if (db_num_rows($result) == 0) {
6595                                         db_query($link, "INSERT INTO ttrss_archived_feeds 
6596                                                 (id, owner_uid, title, feed_url, site_url)
6597                                         SELECT id, owner_uid, title, feed_url, site_url from ttrss_feeds
6598                                         WHERE id = '$feed_id'");
6599                                 }
6600
6601                                 db_query($link, "UPDATE ttrss_user_entries 
6602                                         SET orig_feed_id = feed_id, feed_id = NULL
6603                                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
6604                         }
6605                 }
6606
6607                 db_query($link, "COMMIT");
6608         }
6609
6610         function getArticleFeed($link, $id) {
6611                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries 
6612                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
6613
6614                 if (db_num_rows($result) != 0) {
6615                         return db_fetch_result($result, 0, "feed_id");
6616                 } else {
6617                         return 0;
6618                 }
6619         }
6620
6621         function make_url_from_parts($parts) {
6622                 $url = $parts['scheme'] . '://' . $parts['host'];
6623
6624                 if ($parts['path']) $url .= $parts['path'];
6625                 if ($parts['query']) $url .= '?' . $parts['query'];
6626
6627                 return $url;
6628         }
6629
6630         function validate_feed_url($url) {
6631                 $parts = parse_url($url);
6632
6633                 return ($parts['scheme'] == 'http' || $parts['scheme'] == 'feed' || $parts['scheme'] == 'https');
6634
6635         }
6636
6637         function get_article_enclosures($link, $id) {
6638
6639                 global $memcache;
6640
6641                 $query = "SELECT * FROM ttrss_enclosures 
6642                         WHERE post_id = '$id' AND content_url != ''";
6643
6644                 $obj_id = md5("ENCLOSURES:$id");
6645
6646                 $rv = array();
6647
6648                 if ($memcache && $obj = $memcache->get($obj_id)) {
6649                         $rv = $obj;
6650                 } else {
6651                         $result = db_query($link, $query);
6652
6653                         if (db_num_rows($result) > 0) {
6654                                 while ($line = db_fetch_assoc($result)) {
6655                                         array_push($rv, $line);
6656                                 }
6657                                 if ($memcache) $memcache->add($obj_id, $rv, 0, 3600);
6658                         }
6659                 }
6660
6661                 return $rv;
6662         }
6663
6664         function api_get_feeds($link, $cat_id, $unread_only, $limit, $offset) {
6665
6666                         $feeds = array();
6667
6668                         /* Labels */
6669
6670                         if (!$cat_id || $cat_id == -2) {
6671                                 $counters = getLabelCounters($link, true);
6672
6673                                 foreach (array_keys($counters) as $id) {
6674
6675                                         $unread = $counters[$id]["counter"];
6676         
6677                                         if ($unread || !$unread_only) {
6678         
6679                                                 $row = array(
6680                                                                 "id" => $id,
6681                                                                 "title" => $counters[$id]["description"],
6682                                                                 "unread" => $counters[$id]["counter"],
6683                                                                 "cat_id" => -2,
6684                                                         );
6685         
6686                                                 array_push($feeds, $row);
6687                                         }
6688                                 }
6689                         }
6690
6691                         /* Virtual feeds */
6692
6693                         if (!$cat_id || $cat_id == -1) {
6694                                 foreach (array(-1, -2, -3, -4, 0) as $i) {
6695                                         $unread = getFeedUnread($link, $i);
6696
6697                                         if ($unread || !$unread_only) {
6698                                                 $title = getFeedTitle($link, $i);
6699
6700                                                 $row = array(
6701                                                                 "id" => $i,
6702                                                                 "title" => $title,
6703                                                                 "unread" => $unread,
6704                                                                 "cat_id" => -1,
6705                                                         );
6706                                                 array_push($feeds, $row);
6707                                         }
6708
6709                                 }                       
6710                         }
6711
6712                         /* Real feeds */
6713
6714                         if ($limit) {
6715                                 $limit_qpart = "LIMIT $limit OFFSET $offset";
6716                         } else {
6717                                 $limit_qpart = "";
6718                         }
6719
6720                         if (!$cat_id) {
6721                                 $result = db_query($link, "SELECT 
6722                                         id, feed_url, cat_id, title, ".
6723                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
6724                                                 FROM ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"] . 
6725                                                 " ORDER BY cat_id, title " . $limit_qpart);
6726                         } else {
6727                                 $result = db_query($link, "SELECT 
6728                                         id, feed_url, cat_id, title, ".
6729                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
6730                                                 FROM ttrss_feeds WHERE 
6731                                                 cat_id = '$cat_id' AND owner_uid = " . $_SESSION["uid"] . 
6732                                                 " ORDER BY cat_id, title " . $limit_qpart);
6733                         }
6734
6735                         while ($line = db_fetch_assoc($result)) {
6736
6737                                 $unread = getFeedUnread($link, $line["id"]);
6738
6739                                 $has_icon = feed_has_icon($line['id']);
6740
6741                                 if ($unread || !$unread_only) {
6742
6743                                         $row = array(
6744                                                         "feed_url" => $line["feed_url"],
6745                                                         "title" => $line["title"],
6746                                                         "id" => (int)$line["id"],
6747                                                         "unread" => (int)$unread,
6748                                                         "has_icon" => $has_icon,
6749                                                         "cat_id" => (int)$line["cat_id"],
6750                                                         "last_updated" => strtotime($line["last_updated"])
6751                                                 );
6752         
6753                                         array_push($feeds, $row);
6754                                 }
6755                         }
6756
6757                 return $feeds;
6758         }
6759
6760         function api_get_headlines($link, $feed_id, $limit, $offset,
6761                                         $filter, $is_cat, $show_excerpt, $show_content, $view_mode, $order) {
6762
6763                         /* do not rely on params below */
6764
6765                         $search = db_escape_string($_REQUEST["search"]);
6766                         $search_mode = db_escape_string($_REQUEST["search_mode"]);
6767                         $match_on = db_escape_string($_REQUEST["match_on"]);
6768                         
6769                         $qfh_ret = queryFeedHeadlines($link, $feed_id, $limit, 
6770                                 $view_mode, $is_cat, $search, $search_mode, $match_on,
6771                                 $order, $offset);
6772
6773                         $result = $qfh_ret[0];
6774                         $feed_title = $qfh_ret[1];
6775
6776                         $headlines = array();
6777
6778                         while ($line = db_fetch_assoc($result)) {
6779                                 $is_updated = ($line["last_read"] == "" && 
6780                                         ($line["unread"] != "t" && $line["unread"] != "1"));
6781
6782                                 $headline_row = array(
6783                                                 "id" => (int)$line["id"],
6784                                                 "unread" => sql_bool_to_bool($line["unread"]),
6785                                                 "marked" => sql_bool_to_bool($line["marked"]),
6786                                                 "published" => sql_bool_to_bool($line["published"]),
6787                                                 "updated" => strtotime($line["updated"]),
6788                                                 "is_updated" => $is_updated,
6789                                                 "title" => $line["title"],
6790                                                 "link" => $line["link"],
6791                                                 "feed_id" => $line["feed_id"],
6792                                                 "tags" => get_article_tags($link, $line["id"]),
6793                                         );
6794
6795                                 if ($show_excerpt) {
6796                                         $excerpt = truncate_string(strip_tags($line["content_preview"]), 100);
6797                                         $headline_row["excerpt"] = $excerpt;
6798                                 }
6799
6800                                 if ($show_content) {
6801                                         $headline_row["content"] = $line["content_preview"];
6802                                 }
6803
6804                                 array_push($headlines, $headline_row);
6805                         }
6806
6807                         return $headlines;
6808         }
6809
6810 ?>