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