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[tt-rss.git] / include / functions.php
1 <?php
2 define('EXPECTED_CONFIG_VERSION', 26);
3 define('SCHEMA_VERSION', 115);
4
5 define('LABEL_BASE_INDEX', -1024);
6 define('PLUGIN_FEED_BASE_INDEX', -128);
7
8 $fetch_last_error = false;
9 $fetch_last_error_code = false;
10 $pluginhost = false;
11
12 function __autoload($class) {
13 $class_file = str_replace("_", "/", strtolower(basename($class)));
14
15 $file = dirname(__FILE__)."/../classes/$class_file.php";
16
17 if (file_exists($file)) {
18 require $file;
19 }
20
21 }
22
23 mb_internal_encoding("UTF-8");
24 date_default_timezone_set('UTC');
25 if (defined('E_DEPRECATED')) {
26 error_reporting(E_ALL & ~E_NOTICE & ~E_DEPRECATED);
27 } else {
28 error_reporting(E_ALL & ~E_NOTICE);
29 }
30
31 require_once 'config.php';
32
33 /**
34 * Define a constant if not already defined
35 *
36 * @param string $name The constant name.
37 * @param mixed $value The constant value.
38 * @access public
39 * @return boolean True if defined successfully or not.
40 */
41 function define_default($name, $value) {
42 defined($name) or define($name, $value);
43 }
44
45 ///// Some defaults that you can override in config.php //////
46
47 define_default('FEED_FETCH_TIMEOUT', 45);
48 // How may seconds to wait for response when requesting feed from a site
49 define_default('FEED_FETCH_NO_CACHE_TIMEOUT', 15);
50 // How may seconds to wait for response when requesting feed from a
51 // site when that feed wasn't cached before
52 define_default('FILE_FETCH_TIMEOUT', 45);
53 // Default timeout when fetching files from remote sites
54 define_default('FILE_FETCH_CONNECT_TIMEOUT', 15);
55 // How many seconds to wait for initial response from website when
56 // fetching files from remote sites
57
58 if (DB_TYPE == "pgsql") {
59 define('SUBSTRING_FOR_DATE', 'SUBSTRING_FOR_DATE');
60 } else {
61 define('SUBSTRING_FOR_DATE', 'SUBSTRING');
62 }
63
64 /**
65 * Return available translations names.
66 *
67 * @access public
68 * @return array A array of available translations.
69 */
70 function get_translations() {
71 $tr = array(
72 "auto" => "Detect automatically",
73 "ca_CA" => "Català",
74 "cs_CZ" => "Česky",
75 "en_US" => "English",
76 "es_ES" => "Español",
77 "de_DE" => "Deutsch",
78 "fr_FR" => "Français",
79 "hu_HU" => "Magyar (Hungarian)",
80 "it_IT" => "Italiano",
81 "ja_JP" => "日本語 (Japanese)",
82 "lv_LV" => "Latviešu",
83 "nb_NO" => "Norwegian bokmål",
84 "nl_NL" => "Dutch",
85 "pl_PL" => "Polski",
86 "ru_RU" => "Русский",
87 "pt_BR" => "Portuguese/Brazil",
88 "zh_CN" => "Simplified Chinese",
89 "sv_SE" => "Svenska",
90 "fi_FI" => "Suomi");
91
92 return $tr;
93 }
94
95 require_once "lib/accept-to-gettext.php";
96 require_once "lib/gettext/gettext.inc";
97
98
99 function startup_gettext() {
100
101 # Get locale from Accept-Language header
102 $lang = al2gt(array_keys(get_translations()), "text/html");
103
104 if (defined('_TRANSLATION_OVERRIDE_DEFAULT')) {
105 $lang = _TRANSLATION_OVERRIDE_DEFAULT;
106 }
107
108 if ($_SESSION["language"] && $_SESSION["language"] != "auto") {
109 $lang = $_SESSION["language"];
110 }
111
112 if ($lang) {
113 if (defined('LC_MESSAGES')) {
114 _setlocale(LC_MESSAGES, $lang);
115 } else if (defined('LC_ALL')) {
116 _setlocale(LC_ALL, $lang);
117 }
118
119 _bindtextdomain("messages", "locale");
120
121 _textdomain("messages");
122 _bind_textdomain_codeset("messages", "UTF-8");
123 }
124 }
125
126 startup_gettext();
127
128 require_once 'db-prefs.php';
129 require_once 'version.php';
130 require_once 'ccache.php';
131 require_once 'labels.php';
132
133 define('SELF_USER_AGENT', 'Tiny Tiny RSS/' . VERSION . ' (http://tt-rss.org/)');
134 ini_set('user_agent', SELF_USER_AGENT);
135
136 require_once 'lib/pubsubhubbub/publisher.php';
137
138 $tz_offset = -1;
139 $utc_tz = new DateTimeZone('UTC');
140 $schema_version = false;
141
142 /**
143 * Print a timestamped debug message.
144 *
145 * @param string $msg The debug message.
146 * @return void
147 */
148 function _debug($msg) {
149 $ts = strftime("%H:%M:%S", time());
150 if (function_exists('posix_getpid')) {
151 $ts = "$ts/" . posix_getpid();
152 }
153
154 if (!(defined('QUIET') && QUIET)) {
155 print "[$ts] $msg\n";
156 }
157
158 if (defined('LOGFILE')) {
159 $fp = fopen(LOGFILE, 'a+');
160
161 if ($fp) {
162 fputs($fp, "[$ts] $msg\n");
163 fclose($fp);
164 }
165 }
166
167 } // function _debug
168
169 /**
170 * Purge a feed old posts.
171 *
172 * @param mixed $link A database connection.
173 * @param mixed $feed_id The id of the purged feed.
174 * @param mixed $purge_interval Olderness of purged posts.
175 * @param boolean $debug Set to True to enable the debug. False by default.
176 * @access public
177 * @return void
178 */
179 function purge_feed($link, $feed_id, $purge_interval, $debug = false) {
180
181 if (!$purge_interval) $purge_interval = feed_purge_interval($link, $feed_id);
182
183 $rows = -1;
184
185 $result = db_query($link,
186 "SELECT owner_uid FROM ttrss_feeds WHERE id = '$feed_id'");
187
188 $owner_uid = false;
189
190 if (db_num_rows($result) == 1) {
191 $owner_uid = db_fetch_result($result, 0, "owner_uid");
192 }
193
194 if ($purge_interval == -1 || !$purge_interval) {
195 if ($owner_uid) {
196 ccache_update($link, $feed_id, $owner_uid);
197 }
198 return;
199 }
200
201 if (!$owner_uid) return;
202
203 if (FORCE_ARTICLE_PURGE == 0) {
204 $purge_unread = get_pref($link, "PURGE_UNREAD_ARTICLES",
205 $owner_uid, false);
206 } else {
207 $purge_unread = true;
208 $purge_interval = FORCE_ARTICLE_PURGE;
209 }
210
211 if (!$purge_unread) $query_limit = " unread = false AND ";
212
213 if (DB_TYPE == "pgsql") {
214 $pg_version = get_pgsql_version($link);
215
216 if (preg_match("/^7\./", $pg_version) || preg_match("/^8\.0/", $pg_version)) {
217
218 $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
219 ttrss_entries.id = ref_id AND
220 marked = false AND
221 feed_id = '$feed_id' AND
222 $query_limit
223 ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
224
225 } else {
226
227 $result = db_query($link, "DELETE FROM ttrss_user_entries
228 USING ttrss_entries
229 WHERE ttrss_entries.id = ref_id AND
230 marked = false AND
231 feed_id = '$feed_id' AND
232 $query_limit
233 ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
234 }
235
236 $rows = pg_affected_rows($result);
237
238 } else {
239
240 /* $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
241 marked = false AND feed_id = '$feed_id' AND
242 (SELECT date_updated FROM ttrss_entries WHERE
243 id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
244
245 $result = db_query($link, "DELETE FROM ttrss_user_entries
246 USING ttrss_user_entries, ttrss_entries
247 WHERE ttrss_entries.id = ref_id AND
248 marked = false AND
249 feed_id = '$feed_id' AND
250 $query_limit
251 ttrss_entries.date_updated < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
252
253 $rows = mysql_affected_rows($link);
254
255 }
256
257 ccache_update($link, $feed_id, $owner_uid);
258
259 if ($debug) {
260 _debug("Purged feed $feed_id ($purge_interval): deleted $rows articles");
261 }
262
263 return $rows;
264 } // function purge_feed
265
266 function feed_purge_interval($link, $feed_id) {
267
268 $result = db_query($link, "SELECT purge_interval, owner_uid FROM ttrss_feeds
269 WHERE id = '$feed_id'");
270
271 if (db_num_rows($result) == 1) {
272 $purge_interval = db_fetch_result($result, 0, "purge_interval");
273 $owner_uid = db_fetch_result($result, 0, "owner_uid");
274
275 if ($purge_interval == 0) $purge_interval = get_pref($link,
276 'PURGE_OLD_DAYS', $owner_uid);
277
278 return $purge_interval;
279
280 } else {
281 return -1;
282 }
283 }
284
285 function purge_orphans($link, $do_output = false) {
286
287 // purge orphaned posts in main content table
288 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
289 (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
290
291 if ($do_output) {
292 $rows = db_affected_rows($link, $result);
293 _debug("Purged $rows orphaned posts.");
294 }
295 }
296
297 function get_feed_update_interval($link, $feed_id) {
298 $result = db_query($link, "SELECT owner_uid, update_interval FROM
299 ttrss_feeds WHERE id = '$feed_id'");
300
301 if (db_num_rows($result) == 1) {
302 $update_interval = db_fetch_result($result, 0, "update_interval");
303 $owner_uid = db_fetch_result($result, 0, "owner_uid");
304
305 if ($update_interval != 0) {
306 return $update_interval;
307 } else {
308 return get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $owner_uid, false);
309 }
310
311 } else {
312 return -1;
313 }
314 }
315
316 function fetch_file_contents($url, $type = false, $login = false, $pass = false, $post_query = false, $timeout = false, $timestamp = 0) {
317
318 global $fetch_last_error;
319 global $fetch_last_error_code;
320
321 if (!defined('NO_CURL') && function_exists('curl_init') && !ini_get("open_basedir")) {
322
323 if (ini_get("safe_mode")) {
324 $ch = curl_init(geturl($url));
325 } else {
326 $ch = curl_init($url);
327 }
328
329 if ($timestamp) {
330 curl_setopt($ch, CURLOPT_HTTPHEADER,
331 array("If-Modified-Since: ".gmdate('D, d M Y H:i:s \G\M\T', $timestamp)));
332 }
333
334 curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout ? $timeout : FILE_FETCH_CONNECT_TIMEOUT);
335 curl_setopt($ch, CURLOPT_TIMEOUT, $timeout ? $timeout : FILE_FETCH_TIMEOUT);
336 curl_setopt($ch, CURLOPT_FOLLOWLOCATION, !ini_get("safe_mode"));
337 curl_setopt($ch, CURLOPT_MAXREDIRS, 20);
338 curl_setopt($ch, CURLOPT_BINARYTRANSFER, true);
339 curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
340 curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
341 curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
342 curl_setopt($ch, CURLOPT_USERAGENT, SELF_USER_AGENT);
343 curl_setopt($ch, CURLOPT_ENCODING , "gzip");
344 curl_setopt($ch, CURLOPT_REFERER, $url);
345
346 if ($post_query) {
347 curl_setopt($ch, CURLOPT_POST, true);
348 curl_setopt($ch, CURLOPT_POSTFIELDS, $post_query);
349 }
350
351 if ($login && $pass)
352 curl_setopt($ch, CURLOPT_USERPWD, "$login:$pass");
353
354 $contents = @curl_exec($ch);
355
356 if (curl_errno($ch) === 23 || curl_errno($ch) === 61) {
357 curl_setopt($ch, CURLOPT_ENCODING, 'none');
358 $contents = @curl_exec($ch);
359 }
360
361 if ($contents === false) {
362 $fetch_last_error = curl_errno($ch) . " " . curl_error($ch);
363 curl_close($ch);
364 return false;
365 }
366
367 $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
368 $content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
369
370 $fetch_last_error_code = $http_code;
371
372 if ($http_code != 200 || $type && strpos($content_type, "$type") === false) {
373 if (curl_errno($ch) != 0) {
374 $fetch_last_error = curl_errno($ch) . " " . curl_error($ch);
375 } else {
376 $fetch_last_error = "HTTP Code: $http_code";
377 }
378 curl_close($ch);
379 return false;
380 }
381
382 curl_close($ch);
383
384 return $contents;
385 } else {
386 if ($login && $pass){
387 $url_parts = array();
388
389 preg_match("/(^[^:]*):\/\/(.*)/", $url, $url_parts);
390
391 $pass = urlencode($pass);
392
393 if ($url_parts[1] && $url_parts[2]) {
394 $url = $url_parts[1] . "://$login:$pass@" . $url_parts[2];
395 }
396 }
397
398 $data = @file_get_contents($url);
399
400 if (!$data && function_exists('error_get_last')) {
401 $error = error_get_last();
402 $fetch_last_error = $error["message"];
403 }
404 return $data;
405 }
406
407 }
408
409 /**
410 * Try to determine the favicon URL for a feed.
411 * adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/)
412 * http://dev.wp-plugins.org/file/favatars/trunk/favatars.php
413 *
414 * @param string $url A feed or page URL
415 * @access public
416 * @return mixed The favicon URL, or false if none was found.
417 */
418 function get_favicon_url($url) {
419
420 $favicon_url = false;
421
422 if ($html = @fetch_file_contents($url)) {
423
424 libxml_use_internal_errors(true);
425
426 $doc = new DOMDocument();
427 $doc->loadHTML($html);
428 $xpath = new DOMXPath($doc);
429
430 $base = $xpath->query('/html/head/base');
431 foreach ($base as $b) {
432 $url = $b->getAttribute("href");
433 break;
434 }
435
436 $entries = $xpath->query('/html/head/link[@rel="shortcut icon" or @rel="icon"]');
437 if (count($entries) > 0) {
438 foreach ($entries as $entry) {
439 $favicon_url = rewrite_relative_url($url, $entry->getAttribute("href"));
440 break;
441 }
442 }
443 }
444
445 if (!$favicon_url)
446 $favicon_url = rewrite_relative_url($url, "/favicon.ico");
447
448 return $favicon_url;
449 } // function get_favicon_url
450
451 function check_feed_favicon($site_url, $feed, $link) {
452 # print "FAVICON [$site_url]: $favicon_url\n";
453
454 $icon_file = ICONS_DIR . "/$feed.ico";
455
456 if (!file_exists($icon_file)) {
457 $favicon_url = get_favicon_url($site_url);
458
459 if ($favicon_url) {
460 // Limiting to "image" type misses those served with text/plain
461 $contents = fetch_file_contents($favicon_url); // , "image");
462
463 if ($contents) {
464 // Crude image type matching.
465 // Patterns gleaned from the file(1) source code.
466 if (preg_match('/^\x00\x00\x01\x00/', $contents)) {
467 // 0 string \000\000\001\000 MS Windows icon resource
468 //error_log("check_feed_favicon: favicon_url=$favicon_url isa MS Windows icon resource");
469 }
470 elseif (preg_match('/^GIF8/', $contents)) {
471 // 0 string GIF8 GIF image data
472 //error_log("check_feed_favicon: favicon_url=$favicon_url isa GIF image");
473 }
474 elseif (preg_match('/^\x89PNG\x0d\x0a\x1a\x0a/', $contents)) {
475 // 0 string \x89PNG\x0d\x0a\x1a\x0a PNG image data
476 //error_log("check_feed_favicon: favicon_url=$favicon_url isa PNG image");
477 }
478 elseif (preg_match('/^\xff\xd8/', $contents)) {
479 // 0 beshort 0xffd8 JPEG image data
480 //error_log("check_feed_favicon: favicon_url=$favicon_url isa JPG image");
481 }
482 else {
483 //error_log("check_feed_favicon: favicon_url=$favicon_url isa UNKNOWN type");
484 $contents = "";
485 }
486 }
487
488 if ($contents) {
489 $fp = @fopen($icon_file, "w");
490
491 if ($fp) {
492 fwrite($fp, $contents);
493 fclose($fp);
494 chmod($icon_file, 0644);
495 }
496 }
497 }
498 }
499 }
500
501 function print_select($id, $default, $values, $attributes = "") {
502 print "<select name=\"$id\" id=\"$id\" $attributes>";
503 foreach ($values as $v) {
504 if ($v == $default)
505 $sel = "selected=\"1\"";
506 else
507 $sel = "";
508
509 $v = trim($v);
510
511 print "<option value=\"$v\" $sel>$v</option>";
512 }
513 print "</select>";
514 }
515
516 function print_select_hash($id, $default, $values, $attributes = "") {
517 print "<select name=\"$id\" id='$id' $attributes>";
518 foreach (array_keys($values) as $v) {
519 if ($v == $default)
520 $sel = 'selected="selected"';
521 else
522 $sel = "";
523
524 $v = trim($v);
525
526 print "<option $sel value=\"$v\">".$values[$v]."</option>";
527 }
528
529 print "</select>";
530 }
531
532 function print_radio($id, $default, $true_is, $values, $attributes = "") {
533 foreach ($values as $v) {
534
535 if ($v == $default)
536 $sel = "checked";
537 else
538 $sel = "";
539
540 if ($v == $true_is) {
541 $sel .= " value=\"1\"";
542 } else {
543 $sel .= " value=\"0\"";
544 }
545
546 print "<input class=\"noborder\" dojoType=\"dijit.form.RadioButton\"
547 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
548
549 }
550 }
551
552 function initialize_user_prefs($link, $uid, $profile = false) {
553
554 $uid = db_escape_string($link, $uid);
555
556 if (!$profile) {
557 $profile = "NULL";
558 $profile_qpart = "AND profile IS NULL";
559 } else {
560 $profile_qpart = "AND profile = '$profile'";
561 }
562
563 if (get_schema_version($link) < 63) $profile_qpart = "";
564
565 db_query($link, "BEGIN");
566
567 $result = db_query($link, "SELECT pref_name,def_value FROM ttrss_prefs");
568
569 $u_result = db_query($link, "SELECT pref_name
570 FROM ttrss_user_prefs WHERE owner_uid = '$uid' $profile_qpart");
571
572 $active_prefs = array();
573
574 while ($line = db_fetch_assoc($u_result)) {
575 array_push($active_prefs, $line["pref_name"]);
576 }
577
578 while ($line = db_fetch_assoc($result)) {
579 if (array_search($line["pref_name"], $active_prefs) === FALSE) {
580 // print "adding " . $line["pref_name"] . "<br>";
581
582 $line["def_value"] = db_escape_string($link, $line["def_value"]);
583 $line["pref_name"] = db_escape_string($link, $line["pref_name"]);
584
585 if (get_schema_version($link) < 63) {
586 db_query($link, "INSERT INTO ttrss_user_prefs
587 (owner_uid,pref_name,value) VALUES
588 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
589
590 } else {
591 db_query($link, "INSERT INTO ttrss_user_prefs
592 (owner_uid,pref_name,value, profile) VALUES
593 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."', $profile)");
594 }
595
596 }
597 }
598
599 db_query($link, "COMMIT");
600
601 }
602
603 function get_ssl_certificate_id() {
604 if ($_SERVER["REDIRECT_SSL_CLIENT_M_SERIAL"]) {
605 return sha1($_SERVER["REDIRECT_SSL_CLIENT_M_SERIAL"] .
606 $_SERVER["REDIRECT_SSL_CLIENT_V_START"] .
607 $_SERVER["REDIRECT_SSL_CLIENT_V_END"] .
608 $_SERVER["REDIRECT_SSL_CLIENT_S_DN"]);
609 }
610 return "";
611 }
612
613 function authenticate_user($link, $login, $password, $check_only = false) {
614
615 if (!SINGLE_USER_MODE) {
616 $user_id = false;
617
618 global $pluginhost;
619 foreach ($pluginhost->get_hooks($pluginhost::HOOK_AUTH_USER) as $plugin) {
620
621 $user_id = (int) $plugin->authenticate($login, $password);
622
623 if ($user_id) {
624 $_SESSION["auth_module"] = strtolower(get_class($plugin));
625 break;
626 }
627 }
628
629 if ($user_id && !$check_only) {
630 @session_start();
631
632 $_SESSION["uid"] = $user_id;
633 $_SESSION["version"] = VERSION;
634
635 $result = db_query($link, "SELECT login,access_level,pwd_hash FROM ttrss_users
636 WHERE id = '$user_id'");
637
638 $_SESSION["name"] = db_fetch_result($result, 0, "login");
639 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
640 $_SESSION["csrf_token"] = sha1(uniqid(rand(), true));
641
642 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
643 $_SESSION["uid"]);
644
645 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
646 $_SESSION["user_agent"] = sha1($_SERVER['HTTP_USER_AGENT']);
647 $_SESSION["pwd_hash"] = db_fetch_result($result, 0, "pwd_hash");
648
649 $_SESSION["last_version_check"] = time();
650
651 initialize_user_prefs($link, $_SESSION["uid"]);
652
653 return true;
654 }
655
656 return false;
657
658 } else {
659
660 $_SESSION["uid"] = 1;
661 $_SESSION["name"] = "admin";
662 $_SESSION["access_level"] = 10;
663
664 $_SESSION["hide_hello"] = true;
665 $_SESSION["hide_logout"] = true;
666
667 $_SESSION["auth_module"] = false;
668
669 if (!$_SESSION["csrf_token"]) {
670 $_SESSION["csrf_token"] = sha1(uniqid(rand(), true));
671 }
672
673 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
674
675 initialize_user_prefs($link, $_SESSION["uid"]);
676
677 return true;
678 }
679 }
680
681 function make_password($length = 8) {
682
683 $password = "";
684 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
685
686 $i = 0;
687
688 while ($i < $length) {
689 $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
690
691 if (!strstr($password, $char)) {
692 $password .= $char;
693 $i++;
694 }
695 }
696 return $password;
697 }
698
699 // this is called after user is created to initialize default feeds, labels
700 // or whatever else
701
702 // user preferences are checked on every login, not here
703
704 function initialize_user($link, $uid) {
705
706 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
707 values ('$uid', 'Tiny Tiny RSS: New Releases',
708 'http://tt-rss.org/releases.rss')");
709
710 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
711 values ('$uid', 'Tiny Tiny RSS: Forum',
712 'http://tt-rss.org/forum/rss.php')");
713 }
714
715 function logout_user() {
716 session_destroy();
717 if (isset($_COOKIE[session_name()])) {
718 setcookie(session_name(), '', time()-42000, '/');
719 }
720 }
721
722 function validate_csrf($csrf_token) {
723 return $csrf_token == $_SESSION['csrf_token'];
724 }
725
726 function load_user_plugins($link, $owner_uid) {
727 if ($owner_uid) {
728 $plugins = get_pref($link, "_ENABLED_PLUGINS", $owner_uid);
729
730 global $pluginhost;
731 $pluginhost->load($plugins, $pluginhost::KIND_USER, $owner_uid);
732
733 if (get_schema_version($link) > 100) {
734 $pluginhost->load_data();
735 }
736 }
737 }
738
739 function login_sequence($link) {
740 $_SESSION["prefs_cache"] = false;
741
742 if (SINGLE_USER_MODE) {
743 @session_start();
744 authenticate_user($link, "admin", null);
745 cache_prefs($link);
746 load_user_plugins($link, $_SESSION["uid"]);
747 } else {
748 if (!validate_session($link)) $_SESSION["uid"] = false;
749
750 if (!$_SESSION["uid"]) {
751
752 if (AUTH_AUTO_LOGIN && authenticate_user($link, null, null)) {
753 $_SESSION["ref_schema_version"] = get_schema_version($link, true);
754 } else {
755 authenticate_user($link, null, null, true);
756 }
757
758 if (!$_SESSION["uid"]) {
759 @session_destroy();
760 setcookie(session_name(), '', time()-42000, '/');
761
762 render_login_form($link);
763 exit;
764 }
765
766 } else {
767 /* bump login timestamp */
768 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
769 $_SESSION["uid"]);
770 $_SESSION["last_login_update"] = time();
771 }
772
773 if ($_SESSION["uid"] && $_SESSION["language"] && SESSION_COOKIE_LIFETIME > 0) {
774 setcookie("ttrss_lang", $_SESSION["language"],
775 time() + SESSION_COOKIE_LIFETIME);
776 }
777
778 if ($_SESSION["uid"]) {
779 cache_prefs($link);
780 load_user_plugins($link, $_SESSION["uid"]);
781
782 /* cleanup ccache */
783
784 db_query($link, "DELETE FROM ttrss_counters_cache WHERE owner_uid = ".
785 $_SESSION["uid"] . " AND
786 (SELECT COUNT(id) FROM ttrss_feeds WHERE
787 ttrss_feeds.id = feed_id) = 0");
788
789 db_query($link, "DELETE FROM ttrss_cat_counters_cache WHERE owner_uid = ".
790 $_SESSION["uid"] . " AND
791 (SELECT COUNT(id) FROM ttrss_feed_categories WHERE
792 ttrss_feed_categories.id = feed_id) = 0");
793
794 }
795
796 }
797 }
798
799 function truncate_string($str, $max_len, $suffix = '&hellip;') {
800 if (mb_strlen($str, "utf-8") > $max_len - 3) {
801 return mb_substr($str, 0, $max_len, "utf-8") . $suffix;
802 } else {
803 return $str;
804 }
805 }
806
807 function convert_timestamp($timestamp, $source_tz, $dest_tz) {
808
809 try {
810 $source_tz = new DateTimeZone($source_tz);
811 } catch (Exception $e) {
812 $source_tz = new DateTimeZone('UTC');
813 }
814
815 try {
816 $dest_tz = new DateTimeZone($dest_tz);
817 } catch (Exception $e) {
818 $dest_tz = new DateTimeZone('UTC');
819 }
820
821 $dt = new DateTime(date('Y-m-d H:i:s', $timestamp), $source_tz);
822 return $dt->format('U') + $dest_tz->getOffset($dt);
823 }
824
825 function make_local_datetime($link, $timestamp, $long, $owner_uid = false,
826 $no_smart_dt = false) {
827
828 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
829 if (!$timestamp) $timestamp = '1970-01-01 0:00';
830
831 global $utc_tz;
832 global $tz_offset;
833
834 # We store date in UTC internally
835 $dt = new DateTime($timestamp, $utc_tz);
836
837 if ($tz_offset == -1) {
838
839 $user_tz_string = get_pref($link, 'USER_TIMEZONE', $owner_uid);
840
841 try {
842 $user_tz = new DateTimeZone($user_tz_string);
843 } catch (Exception $e) {
844 $user_tz = $utc_tz;
845 }
846
847 $tz_offset = $user_tz->getOffset($dt);
848 }
849
850 $user_timestamp = $dt->format('U') + $tz_offset;
851
852 if (!$no_smart_dt) {
853 return smart_date_time($link, $user_timestamp,
854 $tz_offset, $owner_uid);
855 } else {
856 if ($long)
857 $format = get_pref($link, 'LONG_DATE_FORMAT', $owner_uid);
858 else
859 $format = get_pref($link, 'SHORT_DATE_FORMAT', $owner_uid);
860
861 return date($format, $user_timestamp);
862 }
863 }
864
865 function smart_date_time($link, $timestamp, $tz_offset = 0, $owner_uid = false) {
866 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
867
868 if (date("Y.m.d", $timestamp) == date("Y.m.d", time() + $tz_offset)) {
869 return date("G:i", $timestamp);
870 } else if (date("Y", $timestamp) == date("Y", time() + $tz_offset)) {
871 $format = get_pref($link, 'SHORT_DATE_FORMAT', $owner_uid);
872 return date($format, $timestamp);
873 } else {
874 $format = get_pref($link, 'LONG_DATE_FORMAT', $owner_uid);
875 return date($format, $timestamp);
876 }
877 }
878
879 function sql_bool_to_bool($s) {
880 if ($s == "t" || $s == "1" || strtolower($s) == "true") {
881 return true;
882 } else {
883 return false;
884 }
885 }
886
887 function bool_to_sql_bool($s) {
888 if ($s) {
889 return "true";
890 } else {
891 return "false";
892 }
893 }
894
895 // Session caching removed due to causing wrong redirects to upgrade
896 // script when get_schema_version() is called on an obsolete session
897 // created on a previous schema version.
898 function get_schema_version($link, $nocache = false) {
899 global $schema_version;
900
901 if (!$schema_version) {
902 $result = db_query($link, "SELECT schema_version FROM ttrss_version");
903 $version = db_fetch_result($result, 0, "schema_version");
904 $schema_version = $version;
905 return $version;
906 } else {
907 return $schema_version;
908 }
909 }
910
911 function sanity_check($link) {
912 require_once 'errors.php';
913
914 $error_code = 0;
915 $schema_version = get_schema_version($link, true);
916
917 if ($schema_version != SCHEMA_VERSION) {
918 $error_code = 5;
919 }
920
921 if (DB_TYPE == "mysql") {
922 $result = db_query($link, "SELECT true", false);
923 if (db_num_rows($result) != 1) {
924 $error_code = 10;
925 }
926 }
927
928 if (db_escape_string($link, "testTEST") != "testTEST") {
929 $error_code = 12;
930 }
931
932 return array("code" => $error_code, "message" => $ERRORS[$error_code]);
933 }
934
935 function file_is_locked($filename) {
936 if (function_exists('flock')) {
937 $fp = @fopen(LOCK_DIRECTORY . "/$filename", "r");
938 if ($fp) {
939 if (flock($fp, LOCK_EX | LOCK_NB)) {
940 flock($fp, LOCK_UN);
941 fclose($fp);
942 return false;
943 }
944 fclose($fp);
945 return true;
946 } else {
947 return false;
948 }
949 }
950 return true; // consider the file always locked and skip the test
951 }
952
953 function make_lockfile($filename) {
954 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
955
956 if ($fp && flock($fp, LOCK_EX | LOCK_NB)) {
957 if (function_exists('posix_getpid')) {
958 fwrite($fp, posix_getpid() . "\n");
959 }
960 return $fp;
961 } else {
962 return false;
963 }
964 }
965
966 function make_stampfile($filename) {
967 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
968
969 if (flock($fp, LOCK_EX | LOCK_NB)) {
970 fwrite($fp, time() . "\n");
971 flock($fp, LOCK_UN);
972 fclose($fp);
973 return true;
974 } else {
975 return false;
976 }
977 }
978
979 function sql_random_function() {
980 if (DB_TYPE == "mysql") {
981 return "RAND()";
982 } else {
983 return "RANDOM()";
984 }
985 }
986
987 function catchup_feed($link, $feed, $cat_view, $owner_uid = false, $max_id = false, $mode = 'all') {
988
989 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
990
991 //if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
992
993 // Todo: all this interval stuff needs some generic generator function
994
995 $date_qpart = "false";
996
997 switch ($mode) {
998 case "1day":
999 if (DB_TYPE == "pgsql") {
1000 $date_qpart = "date_entered < NOW() - INTERVAL '1 day' ";
1001 } else {
1002 $date_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 1 DAY) ";
1003 }
1004 break;
1005 case "1week":
1006 if (DB_TYPE == "pgsql") {
1007 $date_qpart = "date_entered < NOW() - INTERVAL '1 week' ";
1008 } else {
1009 $date_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 1 WEEK) ";
1010 }
1011 break;
1012 case "2weeks":
1013 if (DB_TYPE == "pgsql") {
1014 $date_qpart = "date_entered < NOW() - INTERVAL '2 week' ";
1015 } else {
1016 $date_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 2 WEEK) ";
1017 }
1018 break;
1019 default:
1020 $date_qpart = "true";
1021 }
1022
1023 if (is_numeric($feed)) {
1024 if ($cat_view) {
1025
1026 if ($feed >= 0) {
1027
1028 if ($feed > 0) {
1029 $children = getChildCategories($link, $feed, $owner_uid);
1030 array_push($children, $feed);
1031
1032 $children = join(",", $children);
1033
1034 $cat_qpart = "cat_id IN ($children)";
1035 } else {
1036 $cat_qpart = "cat_id IS NULL";
1037 }
1038
1039 db_query($link, "UPDATE ttrss_user_entries
1040 SET unread = false, last_read = NOW() WHERE ref_id IN
1041 (SELECT id FROM
1042 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1043 AND owner_uid = $owner_uid AND unread = true AND feed_id IN
1044 (SELECT id FROM ttrss_feeds WHERE $cat_qpart) AND $date_qpart) as tmp)");
1045
1046 } else if ($feed == -2) {
1047
1048 db_query($link, "UPDATE ttrss_user_entries
1049 SET unread = false,last_read = NOW() WHERE (SELECT COUNT(*)
1050 FROM ttrss_user_labels2 WHERE article_id = ref_id) > 0
1051 AND unread = true AND $date_qpart AND owner_uid = $owner_uid");
1052 }
1053
1054 } else if ($feed > 0) {
1055
1056 db_query($link, "UPDATE ttrss_user_entries
1057 SET unread = false, last_read = NOW() WHERE ref_id IN
1058 (SELECT id FROM
1059 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1060 AND owner_uid = $owner_uid AND unread = true AND feed_id = $feed AND $date_qpart) as tmp)");
1061
1062 } else if ($feed < 0 && $feed > LABEL_BASE_INDEX) { // special, like starred
1063
1064 if ($feed == -1) {
1065 db_query($link, "UPDATE ttrss_user_entries
1066 SET unread = false, last_read = NOW() WHERE ref_id IN
1067 (SELECT id FROM
1068 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1069 AND owner_uid = $owner_uid AND unread = true AND marked = true AND $date_qpart) as tmp)");
1070 }
1071
1072 if ($feed == -2) {
1073 db_query($link, "UPDATE ttrss_user_entries
1074 SET unread = false, last_read = NOW() WHERE ref_id IN
1075 (SELECT id FROM
1076 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1077 AND owner_uid = $owner_uid AND unread = true AND published = true AND $date_qpart) as tmp)");
1078 }
1079
1080 if ($feed == -3) {
1081
1082 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
1083
1084 if (DB_TYPE == "pgsql") {
1085 $match_part = "date_entered > NOW() - INTERVAL '$intl hour' ";
1086 } else {
1087 $match_part = "date_entered > DATE_SUB(NOW(),
1088 INTERVAL $intl HOUR) ";
1089 }
1090
1091 db_query($link, "UPDATE ttrss_user_entries
1092 SET unread = false, last_read = NOW() WHERE ref_id IN
1093 (SELECT id FROM
1094 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1095 AND owner_uid = $owner_uid AND unread = true AND $date_qpart AND $match_part) as tmp)");
1096 }
1097
1098 if ($feed == -4) {
1099 db_query($link, "UPDATE ttrss_user_entries
1100 SET unread = false, last_read = NOW() WHERE ref_id IN
1101 (SELECT id FROM
1102 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1103 AND owner_uid = $owner_uid AND unread = true AND $date_qpart) as tmp)");
1104 }
1105
1106 } else if ($feed < LABEL_BASE_INDEX) { // label
1107
1108 $label_id = feed_to_label_id($feed);
1109
1110 db_query($link, "UPDATE ttrss_user_entries
1111 SET unread = false, last_read = NOW() WHERE ref_id IN
1112 (SELECT id FROM
1113 (SELECT ttrss_entries.id FROM ttrss_entries, ttrss_user_entries, ttrss_user_labels2 WHERE ref_id = id
1114 AND label_id = '$label_id' AND ref_id = article_id
1115 AND owner_uid = $owner_uid AND unread = true AND $date_qpart) as tmp)");
1116
1117 }
1118
1119 ccache_update($link, $feed, $owner_uid, $cat_view);
1120
1121 } else { // tag
1122 db_query($link, "UPDATE ttrss_user_entries
1123 SET unread = false, last_read = NOW() WHERE ref_id IN
1124 (SELECT id FROM
1125 (SELECT ttrss_entries.id FROM ttrss_entries, ttrss_user_entries, ttrss_tags WHERE ref_id = ttrss_entries.id
1126 AND post_int_id = int_id AND tag_name = '$feed'
1127 AND ttrss_user_entries.owner_uid = $owner_uid AND unread = true AND $date_qpart) as tmp)");
1128
1129 }
1130 }
1131
1132 function getAllCounters($link) {
1133 $data = getGlobalCounters($link);
1134
1135 $data = array_merge($data, getVirtCounters($link));
1136 $data = array_merge($data, getLabelCounters($link));
1137 $data = array_merge($data, getFeedCounters($link, $active_feed));
1138 $data = array_merge($data, getCategoryCounters($link));
1139
1140 return $data;
1141 }
1142
1143 function getCategoryTitle($link, $cat_id) {
1144
1145 if ($cat_id == -1) {
1146 return __("Special");
1147 } else if ($cat_id == -2) {
1148 return __("Labels");
1149 } else {
1150
1151 $result = db_query($link, "SELECT title FROM ttrss_feed_categories WHERE
1152 id = '$cat_id'");
1153
1154 if (db_num_rows($result) == 1) {
1155 return db_fetch_result($result, 0, "title");
1156 } else {
1157 return __("Uncategorized");
1158 }
1159 }
1160 }
1161
1162
1163 function getCategoryCounters($link) {
1164 $ret_arr = array();
1165
1166 /* Labels category */
1167
1168 $cv = array("id" => -2, "kind" => "cat",
1169 "counter" => getCategoryUnread($link, -2));
1170
1171 array_push($ret_arr, $cv);
1172
1173 $result = db_query($link, "SELECT id AS cat_id, value AS unread,
1174 (SELECT COUNT(id) FROM ttrss_feed_categories AS c2
1175 WHERE c2.parent_cat = ttrss_feed_categories.id) AS num_children
1176 FROM ttrss_feed_categories, ttrss_cat_counters_cache
1177 WHERE ttrss_cat_counters_cache.feed_id = id AND
1178 ttrss_cat_counters_cache.owner_uid = ttrss_feed_categories.owner_uid AND
1179 ttrss_feed_categories.owner_uid = " . $_SESSION["uid"]);
1180
1181 while ($line = db_fetch_assoc($result)) {
1182 $line["cat_id"] = (int) $line["cat_id"];
1183
1184 if ($line["num_children"] > 0) {
1185 $child_counter = getCategoryChildrenUnread($link, $line["cat_id"], $_SESSION["uid"]);
1186 } else {
1187 $child_counter = 0;
1188 }
1189
1190 $cv = array("id" => $line["cat_id"], "kind" => "cat",
1191 "counter" => $line["unread"] + $child_counter);
1192
1193 array_push($ret_arr, $cv);
1194 }
1195
1196 /* Special case: NULL category doesn't actually exist in the DB */
1197
1198 $cv = array("id" => 0, "kind" => "cat",
1199 "counter" => (int) ccache_find($link, 0, $_SESSION["uid"], true));
1200
1201 array_push($ret_arr, $cv);
1202
1203 return $ret_arr;
1204 }
1205
1206 // only accepts real cats (>= 0)
1207 function getCategoryChildrenUnread($link, $cat, $owner_uid = false) {
1208 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1209
1210 $result = db_query($link, "SELECT id FROM ttrss_feed_categories WHERE parent_cat = '$cat'
1211 AND owner_uid = $owner_uid");
1212
1213 $unread = 0;
1214
1215 while ($line = db_fetch_assoc($result)) {
1216 $unread += getCategoryUnread($link, $line["id"], $owner_uid);
1217 $unread += getCategoryChildrenUnread($link, $line["id"], $owner_uid);
1218 }
1219
1220 return $unread;
1221 }
1222
1223 function getCategoryUnread($link, $cat, $owner_uid = false) {
1224
1225 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1226
1227 if ($cat >= 0) {
1228
1229 if ($cat != 0) {
1230 $cat_query = "cat_id = '$cat'";
1231 } else {
1232 $cat_query = "cat_id IS NULL";
1233 }
1234
1235 $result = db_query($link, "SELECT id FROM ttrss_feeds WHERE $cat_query
1236 AND owner_uid = " . $owner_uid);
1237
1238 $cat_feeds = array();
1239 while ($line = db_fetch_assoc($result)) {
1240 array_push($cat_feeds, "feed_id = " . $line["id"]);
1241 }
1242
1243 if (count($cat_feeds) == 0) return 0;
1244
1245 $match_part = implode(" OR ", $cat_feeds);
1246
1247 $result = db_query($link, "SELECT COUNT(int_id) AS unread
1248 FROM ttrss_user_entries
1249 WHERE unread = true AND ($match_part)
1250 AND owner_uid = " . $owner_uid);
1251
1252 $unread = 0;
1253
1254 # this needs to be rewritten
1255 while ($line = db_fetch_assoc($result)) {
1256 $unread += $line["unread"];
1257 }
1258
1259 return $unread;
1260 } else if ($cat == -1) {
1261 return getFeedUnread($link, -1) + getFeedUnread($link, -2) + getFeedUnread($link, -3) + getFeedUnread($link, 0);
1262 } else if ($cat == -2) {
1263
1264 $result = db_query($link, "
1265 SELECT COUNT(unread) AS unread FROM
1266 ttrss_user_entries, ttrss_user_labels2
1267 WHERE article_id = ref_id AND unread = true
1268 AND ttrss_user_entries.owner_uid = '$owner_uid'");
1269
1270 $unread = db_fetch_result($result, 0, "unread");
1271
1272 return $unread;
1273
1274 }
1275 }
1276
1277 function getFeedUnread($link, $feed, $is_cat = false) {
1278 return getFeedArticles($link, $feed, $is_cat, true, $_SESSION["uid"]);
1279 }
1280
1281 function getLabelUnread($link, $label_id, $owner_uid = false) {
1282 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1283
1284 $result = db_query($link, "SELECT COUNT(ref_id) AS unread FROM ttrss_user_entries, ttrss_user_labels2
1285 WHERE owner_uid = '$owner_uid' AND unread = true AND label_id = '$label_id' AND article_id = ref_id");
1286
1287 if (db_num_rows($result) != 0) {
1288 return db_fetch_result($result, 0, "unread");
1289 } else {
1290 return 0;
1291 }
1292 }
1293
1294 function getFeedArticles($link, $feed, $is_cat = false, $unread_only = false,
1295 $owner_uid = false) {
1296
1297 $n_feed = (int) $feed;
1298 $need_entries = false;
1299
1300 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1301
1302 if ($unread_only) {
1303 $unread_qpart = "unread = true";
1304 } else {
1305 $unread_qpart = "true";
1306 }
1307
1308 if ($is_cat) {
1309 return getCategoryUnread($link, $n_feed, $owner_uid);
1310 } else if ($n_feed == -6) {
1311 return 0;
1312 } else if ($feed != "0" && $n_feed == 0) {
1313
1314 $feed = db_escape_string($link, $feed);
1315
1316 $result = db_query($link, "SELECT SUM((SELECT COUNT(int_id)
1317 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
1318 AND ref_id = id AND $unread_qpart)) AS count FROM ttrss_tags
1319 WHERE owner_uid = $owner_uid AND tag_name = '$feed'");
1320 return db_fetch_result($result, 0, "count");
1321
1322 } else if ($n_feed == -1) {
1323 $match_part = "marked = true";
1324 } else if ($n_feed == -2) {
1325 $match_part = "published = true";
1326 } else if ($n_feed == -3) {
1327 $match_part = "unread = true AND score >= 0";
1328
1329 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
1330
1331 if (DB_TYPE == "pgsql") {
1332 $match_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
1333 } else {
1334 $match_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
1335 }
1336
1337 $need_entries = true;
1338
1339 } else if ($n_feed == -4) {
1340 $match_part = "true";
1341 } else if ($n_feed >= 0) {
1342
1343 if ($n_feed != 0) {
1344 $match_part = "feed_id = '$n_feed'";
1345 } else {
1346 $match_part = "feed_id IS NULL";
1347 }
1348
1349 } else if ($feed < LABEL_BASE_INDEX) {
1350
1351 $label_id = feed_to_label_id($feed);
1352
1353 return getLabelUnread($link, $label_id, $owner_uid);
1354
1355 }
1356
1357 if ($match_part) {
1358
1359 if ($need_entries) {
1360 $from_qpart = "ttrss_user_entries,ttrss_entries";
1361 $from_where = "ttrss_entries.id = ttrss_user_entries.ref_id AND";
1362 } else {
1363 $from_qpart = "ttrss_user_entries";
1364 }
1365
1366 $query = "SELECT count(int_id) AS unread
1367 FROM $from_qpart WHERE
1368 $unread_qpart AND $from_where ($match_part) AND ttrss_user_entries.owner_uid = $owner_uid";
1369
1370 //echo "[$feed/$query]\n";
1371
1372 $result = db_query($link, $query);
1373
1374 } else {
1375
1376 $result = db_query($link, "SELECT COUNT(post_int_id) AS unread
1377 FROM ttrss_tags,ttrss_user_entries,ttrss_entries
1378 WHERE tag_name = '$feed' AND post_int_id = int_id AND ref_id = ttrss_entries.id
1379 AND $unread_qpart AND ttrss_tags.owner_uid = " . $owner_uid);
1380 }
1381
1382 $unread = db_fetch_result($result, 0, "unread");
1383
1384 return $unread;
1385 }
1386
1387 function getGlobalUnread($link, $user_id = false) {
1388
1389 if (!$user_id) {
1390 $user_id = $_SESSION["uid"];
1391 }
1392
1393 $result = db_query($link, "SELECT SUM(value) AS c_id FROM ttrss_counters_cache
1394 WHERE owner_uid = '$user_id' AND feed_id > 0");
1395
1396 $c_id = db_fetch_result($result, 0, "c_id");
1397
1398 return $c_id;
1399 }
1400
1401 function getGlobalCounters($link, $global_unread = -1) {
1402 $ret_arr = array();
1403
1404 if ($global_unread == -1) {
1405 $global_unread = getGlobalUnread($link);
1406 }
1407
1408 $cv = array("id" => "global-unread",
1409 "counter" => (int) $global_unread);
1410
1411 array_push($ret_arr, $cv);
1412
1413 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
1414 ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
1415
1416 $subscribed_feeds = db_fetch_result($result, 0, "fn");
1417
1418 $cv = array("id" => "subscribed-feeds",
1419 "counter" => (int) $subscribed_feeds);
1420
1421 array_push($ret_arr, $cv);
1422
1423 return $ret_arr;
1424 }
1425
1426 function getVirtCounters($link) {
1427
1428 $ret_arr = array();
1429
1430 for ($i = 0; $i >= -4; $i--) {
1431
1432 $count = getFeedUnread($link, $i);
1433
1434 $cv = array("id" => $i,
1435 "counter" => (int) $count);
1436
1437 // if (get_pref($link, 'EXTENDED_FEEDLIST'))
1438 // $cv["xmsg"] = getFeedArticles($link, $i)." ".__("total");
1439
1440 array_push($ret_arr, $cv);
1441 }
1442
1443 global $pluginhost;
1444
1445 if ($pluginhost) {
1446 $feeds = $pluginhost->get_feeds(-1);
1447
1448 if (is_array($feeds)) {
1449 foreach ($feeds as $feed) {
1450 $cv = array("id" => PluginHost::pfeed_to_feed_id($feed['id']),
1451 "counter" => $feed['sender']->get_unread($feed['id']));
1452
1453 array_push($ret_arr, $cv);
1454 }
1455 }
1456 }
1457
1458 return $ret_arr;
1459 }
1460
1461 function getLabelCounters($link, $descriptions = false) {
1462
1463 $ret_arr = array();
1464
1465 $owner_uid = $_SESSION["uid"];
1466
1467 $result = db_query($link, "SELECT id,caption,COUNT(unread) AS unread
1468 FROM ttrss_labels2 LEFT JOIN ttrss_user_labels2 ON
1469 (ttrss_labels2.id = label_id)
1470 LEFT JOIN ttrss_user_entries ON (ref_id = article_id AND unread = true)
1471 WHERE ttrss_labels2.owner_uid = $owner_uid GROUP BY ttrss_labels2.id,
1472 ttrss_labels2.caption");
1473
1474 while ($line = db_fetch_assoc($result)) {
1475
1476 $id = label_to_feed_id($line["id"]);
1477
1478 $label_name = $line["caption"];
1479 $count = $line["unread"];
1480
1481 $cv = array("id" => $id,
1482 "counter" => (int) $count);
1483
1484 if ($descriptions)
1485 $cv["description"] = $label_name;
1486
1487 // if (get_pref($link, 'EXTENDED_FEEDLIST'))
1488 // $cv["xmsg"] = getFeedArticles($link, $id)." ".__("total");
1489
1490 array_push($ret_arr, $cv);
1491 }
1492
1493 return $ret_arr;
1494 }
1495
1496 function getFeedCounters($link, $active_feed = false) {
1497
1498 $ret_arr = array();
1499
1500 $query = "SELECT ttrss_feeds.id,
1501 ttrss_feeds.title,
1502 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
1503 last_error, value AS count
1504 FROM ttrss_feeds, ttrss_counters_cache
1505 WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
1506 AND ttrss_counters_cache.owner_uid = ttrss_feeds.owner_uid
1507 AND ttrss_counters_cache.feed_id = id";
1508
1509 $result = db_query($link, $query);
1510 $fctrs_modified = false;
1511
1512 while ($line = db_fetch_assoc($result)) {
1513
1514 $id = $line["id"];
1515 $count = $line["count"];
1516 $last_error = htmlspecialchars($line["last_error"]);
1517
1518 $last_updated = make_local_datetime($link, $line['last_updated'], false);
1519
1520 $has_img = feed_has_icon($id);
1521
1522 if (date('Y') - date('Y', strtotime($line['last_updated'])) > 2)
1523 $last_updated = '';
1524
1525 $cv = array("id" => $id,
1526 "updated" => $last_updated,
1527 "counter" => (int) $count,
1528 "has_img" => (int) $has_img);
1529
1530 if ($last_error)
1531 $cv["error"] = $last_error;
1532
1533 // if (get_pref($link, 'EXTENDED_FEEDLIST'))
1534 // $cv["xmsg"] = getFeedArticles($link, $id)." ".__("total");
1535
1536 if ($active_feed && $id == $active_feed)
1537 $cv["title"] = truncate_string($line["title"], 30);
1538
1539 array_push($ret_arr, $cv);
1540
1541 }
1542
1543 return $ret_arr;
1544 }
1545
1546 function get_pgsql_version($link) {
1547 $result = db_query($link, "SELECT version() AS version");
1548 $version = explode(" ", db_fetch_result($result, 0, "version"));
1549 return $version[1];
1550 }
1551
1552 /**
1553 * @return array (code => Status code, message => error message if available)
1554 *
1555 * 0 - OK, Feed already exists
1556 * 1 - OK, Feed added
1557 * 2 - Invalid URL
1558 * 3 - URL content is HTML, no feeds available
1559 * 4 - URL content is HTML which contains multiple feeds.
1560 * Here you should call extractfeedurls in rpc-backend
1561 * to get all possible feeds.
1562 * 5 - Couldn't download the URL content.
1563 */
1564 function subscribe_to_feed($link, $url, $cat_id = 0,
1565 $auth_login = '', $auth_pass = '') {
1566
1567 global $fetch_last_error;
1568
1569 require_once "include/rssfuncs.php";
1570
1571 $url = fix_url($url);
1572
1573 if (!$url || !validate_feed_url($url)) return array("code" => 2);
1574
1575 $contents = @fetch_file_contents($url, false, $auth_login, $auth_pass);
1576
1577 if (!$contents) {
1578 return array("code" => 5, "message" => $fetch_last_error);
1579 }
1580
1581 if (is_html($contents)) {
1582 $feedUrls = get_feeds_from_html($url, $contents);
1583
1584 if (count($feedUrls) == 0) {
1585 return array("code" => 3);
1586 } else if (count($feedUrls) > 1) {
1587 return array("code" => 4, "feeds" => $feedUrls);
1588 }
1589 //use feed url as new URL
1590 $url = key($feedUrls);
1591 }
1592
1593 if ($cat_id == "0" || !$cat_id) {
1594 $cat_qpart = "NULL";
1595 } else {
1596 $cat_qpart = "'$cat_id'";
1597 }
1598
1599 $result = db_query($link,
1600 "SELECT id FROM ttrss_feeds
1601 WHERE feed_url = '$url' AND owner_uid = ".$_SESSION["uid"]);
1602
1603 if (db_num_rows($result) == 0) {
1604 $result = db_query($link,
1605 "INSERT INTO ttrss_feeds
1606 (owner_uid,feed_url,title,cat_id, auth_login,auth_pass,update_method)
1607 VALUES ('".$_SESSION["uid"]."', '$url',
1608 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass', 0)");
1609
1610 $result = db_query($link,
1611 "SELECT id FROM ttrss_feeds WHERE feed_url = '$url'
1612 AND owner_uid = " . $_SESSION["uid"]);
1613
1614 $feed_id = db_fetch_result($result, 0, "id");
1615
1616 if ($feed_id) {
1617 update_rss_feed($link, $feed_id, true);
1618 }
1619
1620 return array("code" => 1);
1621 } else {
1622 return array("code" => 0);
1623 }
1624 }
1625
1626 function print_feed_select($link, $id, $default_id = "",
1627 $attributes = "", $include_all_feeds = true,
1628 $root_id = false, $nest_level = 0) {
1629
1630 if (!$root_id) {
1631 print "<select id=\"$id\" name=\"$id\" $attributes>";
1632 if ($include_all_feeds) {
1633 $is_selected = ("0" == $default_id) ? "selected=\"1\"" : "";
1634 print "<option $is_selected value=\"0\">".__('All feeds')."</option>";
1635 }
1636 }
1637
1638 if (get_pref($link, 'ENABLE_FEED_CATS')) {
1639
1640 if ($root_id)
1641 $parent_qpart = "parent_cat = '$root_id'";
1642 else
1643 $parent_qpart = "parent_cat IS NULL";
1644
1645 $result = db_query($link, "SELECT id,title,
1646 (SELECT COUNT(id) FROM ttrss_feed_categories AS c2 WHERE
1647 c2.parent_cat = ttrss_feed_categories.id) AS num_children
1648 FROM ttrss_feed_categories
1649 WHERE owner_uid = ".$_SESSION["uid"]." AND $parent_qpart ORDER BY title");
1650
1651 while ($line = db_fetch_assoc($result)) {
1652
1653 for ($i = 0; $i < $nest_level; $i++)
1654 $line["title"] = " - " . $line["title"];
1655
1656 $is_selected = ("CAT:".$line["id"] == $default_id) ? "selected=\"1\"" : "";
1657
1658 printf("<option $is_selected value='CAT:%d'>%s</option>",
1659 $line["id"], htmlspecialchars($line["title"]));
1660
1661 if ($line["num_children"] > 0)
1662 print_feed_select($link, $id, $default_id, $attributes,
1663 $include_all_feeds, $line["id"], $nest_level+1);
1664
1665 $feed_result = db_query($link, "SELECT id,title FROM ttrss_feeds
1666 WHERE cat_id = '".$line["id"]."' AND owner_uid = ".$_SESSION["uid"] . " ORDER BY title");
1667
1668 while ($fline = db_fetch_assoc($feed_result)) {
1669 $is_selected = ($fline["id"] == $default_id) ? "selected=\"1\"" : "";
1670
1671 $fline["title"] = " + " . $fline["title"];
1672
1673 for ($i = 0; $i < $nest_level; $i++)
1674 $fline["title"] = " - " . $fline["title"];
1675
1676 printf("<option $is_selected value='%d'>%s</option>",
1677 $fline["id"], htmlspecialchars($fline["title"]));
1678 }
1679 }
1680
1681 if (!$root_id) {
1682 $is_selected = ($default_id == "CAT:0") ? "selected=\"1\"" : "";
1683
1684 printf("<option $is_selected value='CAT:0'>%s</option>",
1685 __("Uncategorized"));
1686
1687 $feed_result = db_query($link, "SELECT id,title FROM ttrss_feeds
1688 WHERE cat_id IS NULL AND owner_uid = ".$_SESSION["uid"] . " ORDER BY title");
1689
1690 while ($fline = db_fetch_assoc($feed_result)) {
1691 $is_selected = ($fline["id"] == $default_id && !$default_is_cat) ? "selected=\"1\"" : "";
1692
1693 $fline["title"] = " + " . $fline["title"];
1694
1695 for ($i = 0; $i < $nest_level; $i++)
1696 $fline["title"] = " - " . $fline["title"];
1697
1698 printf("<option $is_selected value='%d'>%s</option>",
1699 $fline["id"], htmlspecialchars($fline["title"]));
1700 }
1701 }
1702
1703 } else {
1704 $result = db_query($link, "SELECT id,title FROM ttrss_feeds
1705 WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
1706
1707 while ($line = db_fetch_assoc($result)) {
1708
1709 $is_selected = ($line["id"] == $default_id) ? "selected=\"1\"" : "";
1710
1711 printf("<option $is_selected value='%d'>%s</option>",
1712 $line["id"], htmlspecialchars($line["title"]));
1713 }
1714 }
1715
1716 if (!$root_id) {
1717 print "</select>";
1718 }
1719 }
1720
1721 function print_feed_cat_select($link, $id, $default_id,
1722 $attributes, $include_all_cats = true, $root_id = false, $nest_level = 0) {
1723
1724 if (!$root_id) {
1725 print "<select id=\"$id\" name=\"$id\" default=\"$default_id\" onchange=\"catSelectOnChange(this)\" $attributes>";
1726 }
1727
1728 if ($root_id)
1729 $parent_qpart = "parent_cat = '$root_id'";
1730 else
1731 $parent_qpart = "parent_cat IS NULL";
1732
1733 $result = db_query($link, "SELECT id,title,
1734 (SELECT COUNT(id) FROM ttrss_feed_categories AS c2 WHERE
1735 c2.parent_cat = ttrss_feed_categories.id) AS num_children
1736 FROM ttrss_feed_categories
1737 WHERE owner_uid = ".$_SESSION["uid"]." AND $parent_qpart ORDER BY title");
1738
1739 while ($line = db_fetch_assoc($result)) {
1740 if ($line["id"] == $default_id) {
1741 $is_selected = "selected=\"1\"";
1742 } else {
1743 $is_selected = "";
1744 }
1745
1746 for ($i = 0; $i < $nest_level; $i++)
1747 $line["title"] = " - " . $line["title"];
1748
1749 if ($line["title"])
1750 printf("<option $is_selected value='%d'>%s</option>",
1751 $line["id"], htmlspecialchars($line["title"]));
1752
1753 if ($line["num_children"] > 0)
1754 print_feed_cat_select($link, $id, $default_id, $attributes,
1755 $include_all_cats, $line["id"], $nest_level+1);
1756 }
1757
1758 if (!$root_id) {
1759 if ($include_all_cats) {
1760 if (db_num_rows($result) > 0) {
1761 print "<option disabled=\"1\">--------</option>";
1762 }
1763
1764 if ($default_id == 0) {
1765 $is_selected = "selected=\"1\"";
1766 } else {
1767 $is_selected = "";
1768 }
1769
1770 print "<option $is_selected value=\"0\">".__('Uncategorized')."</option>";
1771 }
1772 print "</select>";
1773 }
1774 }
1775
1776 function checkbox_to_sql_bool($val) {
1777 return ($val == "on") ? "true" : "false";
1778 }
1779
1780 function getFeedCatTitle($link, $id) {
1781 if ($id == -1) {
1782 return __("Special");
1783 } else if ($id < LABEL_BASE_INDEX) {
1784 return __("Labels");
1785 } else if ($id > 0) {
1786 $result = db_query($link, "SELECT ttrss_feed_categories.title
1787 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
1788 cat_id = ttrss_feed_categories.id");
1789 if (db_num_rows($result) == 1) {
1790 return db_fetch_result($result, 0, "title");
1791 } else {
1792 return __("Uncategorized");
1793 }
1794 } else {
1795 return "getFeedCatTitle($id) failed";
1796 }
1797
1798 }
1799
1800 function getFeedIcon($id) {
1801 switch ($id) {
1802 case 0:
1803 return "images/archive.png";
1804 break;
1805 case -1:
1806 return "images/mark_set.svg";
1807 break;
1808 case -2:
1809 return "images/pub_set.svg";
1810 break;
1811 case -3:
1812 return "images/fresh.png";
1813 break;
1814 case -4:
1815 return "images/tag.png";
1816 break;
1817 case -6:
1818 return "images/recently_read.png";
1819 break;
1820 default:
1821 if ($id < LABEL_BASE_INDEX) {
1822 return "images/label.png";
1823 } else {
1824 if (file_exists(ICONS_DIR . "/$id.ico"))
1825 return ICONS_URL . "/$id.ico";
1826 }
1827 break;
1828 }
1829 }
1830
1831 function getFeedTitle($link, $id, $cat = false) {
1832 if ($cat) {
1833 return getCategoryTitle($link, $id);
1834 } else if ($id == -1) {
1835 return __("Starred articles");
1836 } else if ($id == -2) {
1837 return __("Published articles");
1838 } else if ($id == -3) {
1839 return __("Fresh articles");
1840 } else if ($id == -4) {
1841 return __("All articles");
1842 } else if ($id === 0 || $id === "0") {
1843 return __("Archived articles");
1844 } else if ($id == -6) {
1845 return __("Recently read");
1846 } else if ($id < LABEL_BASE_INDEX) {
1847 $label_id = feed_to_label_id($id);
1848 $result = db_query($link, "SELECT caption FROM ttrss_labels2 WHERE id = '$label_id'");
1849 if (db_num_rows($result) == 1) {
1850 return db_fetch_result($result, 0, "caption");
1851 } else {
1852 return "Unknown label ($label_id)";
1853 }
1854
1855 } else if (is_numeric($id) && $id > 0) {
1856 $result = db_query($link, "SELECT title FROM ttrss_feeds WHERE id = '$id'");
1857 if (db_num_rows($result) == 1) {
1858 return db_fetch_result($result, 0, "title");
1859 } else {
1860 return "Unknown feed ($id)";
1861 }
1862 } else {
1863 return $id;
1864 }
1865 }
1866
1867 function make_init_params($link) {
1868 $params = array();
1869
1870 foreach (array("ON_CATCHUP_SHOW_NEXT_FEED", "HIDE_READ_FEEDS",
1871 "ENABLE_FEED_CATS", "FEEDS_SORT_BY_UNREAD", "CONFIRM_FEED_CATCHUP",
1872 "CDM_AUTO_CATCHUP", "FRESH_ARTICLE_MAX_AGE",
1873 "HIDE_READ_SHOWS_SPECIAL", "COMBINED_DISPLAY_MODE") as $param) {
1874
1875 $params[strtolower($param)] = (int) get_pref($link, $param);
1876 }
1877
1878 $params["icons_url"] = ICONS_URL;
1879 $params["cookie_lifetime"] = SESSION_COOKIE_LIFETIME;
1880 $params["default_view_mode"] = get_pref($link, "_DEFAULT_VIEW_MODE");
1881 $params["default_view_limit"] = (int) get_pref($link, "_DEFAULT_VIEW_LIMIT");
1882 $params["default_view_order_by"] = get_pref($link, "_DEFAULT_VIEW_ORDER_BY");
1883 $params["bw_limit"] = (int) $_SESSION["bw_limit"];
1884 $params["label_base_index"] = (int) LABEL_BASE_INDEX;
1885
1886 $result = db_query($link, "SELECT MAX(id) AS mid, COUNT(*) AS nf FROM
1887 ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
1888
1889 $max_feed_id = db_fetch_result($result, 0, "mid");
1890 $num_feeds = db_fetch_result($result, 0, "nf");
1891
1892 $params["max_feed_id"] = (int) $max_feed_id;
1893 $params["num_feeds"] = (int) $num_feeds;
1894
1895 $params["collapsed_feedlist"] = (int) get_pref($link, "_COLLAPSED_FEEDLIST");
1896 $params["hotkeys"] = get_hotkeys_map($link);
1897
1898 $params["csrf_token"] = $_SESSION["csrf_token"];
1899 $params["widescreen"] = (int) $_COOKIE["ttrss_widescreen"];
1900
1901 $params['simple_update'] = defined('SIMPLE_UPDATE_MODE') && SIMPLE_UPDATE_MODE;
1902
1903 return $params;
1904 }
1905
1906 function get_hotkeys_info($link) {
1907 $hotkeys = array(
1908 __("Navigation") => array(
1909 "next_feed" => __("Open next feed"),
1910 "prev_feed" => __("Open previous feed"),
1911 "next_article" => __("Open next article"),
1912 "prev_article" => __("Open previous article"),
1913 "next_article_noscroll" => __("Open next article (don't scroll long articles)"),
1914 "prev_article_noscroll" => __("Open previous article (don't scroll long articles)"),
1915 "search_dialog" => __("Show search dialog")),
1916 __("Article") => array(
1917 "toggle_mark" => __("Toggle starred"),
1918 "toggle_publ" => __("Toggle published"),
1919 "toggle_unread" => __("Toggle unread"),
1920 "edit_tags" => __("Edit tags"),
1921 "dismiss_selected" => __("Dismiss selected"),
1922 "dismiss_read" => __("Dismiss read"),
1923 "open_in_new_window" => __("Open in new window"),
1924 "catchup_below" => __("Mark below as read"),
1925 "catchup_above" => __("Mark above as read"),
1926 "article_scroll_down" => __("Scroll down"),
1927 "article_scroll_up" => __("Scroll up"),
1928 "select_article_cursor" => __("Select article under cursor"),
1929 "email_article" => __("Email article"),
1930 "close_article" => __("Close/collapse article"),
1931 "toggle_widescreen" => __("Toggle widescreen mode"),
1932 "toggle_embed_original" => __("Toggle embed original")),
1933 __("Article selection") => array(
1934 "select_all" => __("Select all articles"),
1935 "select_unread" => __("Select unread"),
1936 "select_marked" => __("Select starred"),
1937 "select_published" => __("Select published"),
1938 "select_invert" => __("Invert selection"),
1939 "select_none" => __("Deselect everything")),
1940 __("Feed") => array(
1941 "feed_refresh" => __("Refresh current feed"),
1942 "feed_unhide_read" => __("Un/hide read feeds"),
1943 "feed_subscribe" => __("Subscribe to feed"),
1944 "feed_edit" => __("Edit feed"),
1945 "feed_catchup" => __("Mark as read"),
1946 "feed_reverse" => __("Reverse headlines"),
1947 "feed_debug_update" => __("Debug feed update"),
1948 "catchup_all" => __("Mark all feeds as read"),
1949 "cat_toggle_collapse" => __("Un/collapse current category"),
1950 "toggle_combined_mode" => __("Toggle combined mode"),
1951 "toggle_cdm_expanded" => __("Toggle auto expand in combined mode")),
1952 __("Go to") => array(
1953 "goto_all" => __("All articles"),
1954 "goto_fresh" => __("Fresh"),
1955 "goto_marked" => __("Starred"),
1956 "goto_published" => __("Published"),
1957 "goto_tagcloud" => __("Tag cloud"),
1958 "goto_prefs" => __("Preferences")),
1959 __("Other") => array(
1960 "create_label" => __("Create label"),
1961 "create_filter" => __("Create filter"),
1962 "collapse_sidebar" => __("Un/collapse sidebar"),
1963 "help_dialog" => __("Show help dialog"))
1964 );
1965
1966 global $pluginhost;
1967 foreach ($pluginhost->get_hooks($pluginhost::HOOK_HOTKEY_INFO) as $plugin) {
1968 $hotkeys = $plugin->hook_hotkey_info($hotkeys);
1969 }
1970
1971 return $hotkeys;
1972 }
1973
1974 function get_hotkeys_map($link) {
1975 $hotkeys = array(
1976 // "navigation" => array(
1977 "k" => "next_feed",
1978 "j" => "prev_feed",
1979 "n" => "next_article",
1980 "p" => "prev_article",
1981 "(38)|up" => "prev_article",
1982 "(40)|down" => "next_article",
1983 // "^(38)|Ctrl-up" => "prev_article_noscroll",
1984 // "^(40)|Ctrl-down" => "next_article_noscroll",
1985 "(191)|/" => "search_dialog",
1986 // "article" => array(
1987 "s" => "toggle_mark",
1988 "*s" => "toggle_publ",
1989 "u" => "toggle_unread",
1990 "*t" => "edit_tags",
1991 "*d" => "dismiss_selected",
1992 "*x" => "dismiss_read",
1993 "o" => "open_in_new_window",
1994 "c p" => "catchup_below",
1995 "c n" => "catchup_above",
1996 "*n" => "article_scroll_down",
1997 "*p" => "article_scroll_up",
1998 "*(38)|Shift+up" => "article_scroll_up",
1999 "*(40)|Shift+down" => "article_scroll_down",
2000 "a *w" => "toggle_widescreen",
2001 "a e" => "toggle_embed_original",
2002 "e" => "email_article",
2003 "a q" => "close_article",
2004 // "article_selection" => array(
2005 "a a" => "select_all",
2006 "a u" => "select_unread",
2007 "a *u" => "select_marked",
2008 "a p" => "select_published",
2009 "a i" => "select_invert",
2010 "a n" => "select_none",
2011 // "feed" => array(
2012 "f r" => "feed_refresh",
2013 "f a" => "feed_unhide_read",
2014 "f s" => "feed_subscribe",
2015 "f e" => "feed_edit",
2016 "f q" => "feed_catchup",
2017 "f x" => "feed_reverse",
2018 "f *d" => "feed_debug_update",
2019 "f *c" => "toggle_combined_mode",
2020 "f c" => "toggle_cdm_expanded",
2021 "*q" => "catchup_all",
2022 "x" => "cat_toggle_collapse",
2023 // "goto" => array(
2024 "g a" => "goto_all",
2025 "g f" => "goto_fresh",
2026 "g s" => "goto_marked",
2027 "g p" => "goto_published",
2028 "g t" => "goto_tagcloud",
2029 "g *p" => "goto_prefs",
2030 // "other" => array(
2031 "(9)|Tab" => "select_article_cursor", // tab
2032 "c l" => "create_label",
2033 "c f" => "create_filter",
2034 "c s" => "collapse_sidebar",
2035 "^(191)|Ctrl+/" => "help_dialog",
2036 );
2037
2038 if (get_pref($link, 'COMBINED_DISPLAY_MODE')) {
2039 $hotkeys["^(38)|Ctrl-up"] = "prev_article_noscroll";
2040 $hotkeys["^(40)|Ctrl-down"] = "next_article_noscroll";
2041 }
2042
2043 global $pluginhost;
2044 foreach ($pluginhost->get_hooks($pluginhost::HOOK_HOTKEY_MAP) as $plugin) {
2045 $hotkeys = $plugin->hook_hotkey_map($hotkeys);
2046 }
2047
2048 $prefixes = array();
2049
2050 foreach (array_keys($hotkeys) as $hotkey) {
2051 $pair = explode(" ", $hotkey, 2);
2052
2053 if (count($pair) > 1 && !in_array($pair[0], $prefixes)) {
2054 array_push($prefixes, $pair[0]);
2055 }
2056 }
2057
2058 return array($prefixes, $hotkeys);
2059 }
2060
2061 function make_runtime_info($link) {
2062 $data = array();
2063
2064 $result = db_query($link, "SELECT MAX(id) AS mid, COUNT(*) AS nf FROM
2065 ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2066
2067 $max_feed_id = db_fetch_result($result, 0, "mid");
2068 $num_feeds = db_fetch_result($result, 0, "nf");
2069
2070 $data["max_feed_id"] = (int) $max_feed_id;
2071 $data["num_feeds"] = (int) $num_feeds;
2072
2073 $data['last_article_id'] = getLastArticleId($link);
2074 $data['cdm_expanded'] = get_pref($link, 'CDM_EXPANDED');
2075
2076 $data['dep_ts'] = calculate_dep_timestamp();
2077 $data['reload_on_ts_change'] = !defined('_NO_RELOAD_ON_TS_CHANGE');
2078
2079 if (file_exists(LOCK_DIRECTORY . "/update_daemon.lock")) {
2080
2081 $data['daemon_is_running'] = (int) file_is_locked("update_daemon.lock");
2082
2083 if (time() - $_SESSION["daemon_stamp_check"] > 30) {
2084
2085 $stamp = (int) @file_get_contents(LOCK_DIRECTORY . "/update_daemon.stamp");
2086
2087 if ($stamp) {
2088 $stamp_delta = time() - $stamp;
2089
2090 if ($stamp_delta > 1800) {
2091 $stamp_check = 0;
2092 } else {
2093 $stamp_check = 1;
2094 $_SESSION["daemon_stamp_check"] = time();
2095 }
2096
2097 $data['daemon_stamp_ok'] = $stamp_check;
2098
2099 $stamp_fmt = date("Y.m.d, G:i", $stamp);
2100
2101 $data['daemon_stamp'] = $stamp_fmt;
2102 }
2103 }
2104 }
2105
2106 if ($_SESSION["last_version_check"] + 86400 + rand(-1000, 1000) < time()) {
2107 $new_version_details = @check_for_update($link);
2108
2109 $data['new_version_available'] = (int) ($new_version_details != false);
2110
2111 $_SESSION["last_version_check"] = time();
2112 $_SESSION["version_data"] = $new_version_details;
2113 }
2114
2115 return $data;
2116 }
2117
2118 function search_to_sql($link, $search) {
2119
2120 $search_query_part = "";
2121
2122 $keywords = explode(" ", $search);
2123 $query_keywords = array();
2124
2125 foreach ($keywords as $k) {
2126 if (strpos($k, "-") === 0) {
2127 $k = substr($k, 1);
2128 $not = "NOT";
2129 } else {
2130 $not = "";
2131 }
2132
2133 $commandpair = explode(":", mb_strtolower($k), 2);
2134
2135 switch ($commandpair[0]) {
2136 case "title":
2137 if ($commandpair[1]) {
2138 array_push($query_keywords, "($not (LOWER(ttrss_entries.title) LIKE '%".
2139 db_escape_string($link, mb_strtolower($commandpair[1]))."%'))");
2140 }
2141 break;
2142 case "author":
2143 if ($commandpair[1]) {
2144 array_push($query_keywords, "($not (LOWER(author) LIKE '%".
2145 db_escape_string($link, mb_strtolower($commandpair[1]))."%'))");
2146 }
2147 break;
2148 case "note":
2149 if ($commandpair[1]) {
2150 if ($commandpair[1] == "true")
2151 array_push($query_keywords, "($not (note IS NOT NULL AND note != ''))");
2152 else if ($commandpair[1] == "false")
2153 array_push($query_keywords, "($not (note IS NULL OR note = ''))");
2154 else
2155 array_push($query_keywords, "($not (LOWER(note) LIKE '%".
2156 db_escape_string($link, mb_strtolower($commandpair[1]))."%'))");
2157 }
2158 break;
2159 case "star":
2160
2161 if ($commandpair[1]) {
2162 if ($commandpair[1] == "true")
2163 array_push($query_keywords, "($not (marked = true))");
2164 else
2165 array_push($query_keywords, "($not (marked = false))");
2166 }
2167 break;
2168 case "pub":
2169 if ($commandpair[1]) {
2170 if ($commandpair[1] == "true")
2171 array_push($query_keywords, "($not (published = true))");
2172 else
2173 array_push($query_keywords, "($not (published = false))");
2174
2175 }
2176 break;
2177 default:
2178 if (strpos($k, "@") === 0) {
2179
2180 $user_tz_string = get_pref($link, 'USER_TIMEZONE', $_SESSION['uid']);
2181 $orig_ts = strtotime(substr($k, 1));
2182 $k = date("Y-m-d", convert_timestamp($orig_ts, $user_tz_string, 'UTC'));
2183
2184 //$k = date("Y-m-d", strtotime(substr($k, 1)));
2185
2186 array_push($query_keywords, "(".SUBSTRING_FOR_DATE."(updated,1,LENGTH('$k')) $not = '$k')");
2187 } else {
2188 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2189 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2190 }
2191 }
2192 }
2193
2194 $search_query_part = implode("AND", $query_keywords);
2195
2196 return $search_query_part;
2197 }
2198
2199 function getParentCategories($link, $cat, $owner_uid) {
2200 $rv = array();
2201
2202 $result = db_query($link, "SELECT parent_cat FROM ttrss_feed_categories
2203 WHERE id = '$cat' AND parent_cat IS NOT NULL AND owner_uid = $owner_uid");
2204
2205 while ($line = db_fetch_assoc($result)) {
2206 array_push($rv, $line["parent_cat"]);
2207 $rv = array_merge($rv, getParentCategories($link, $line["parent_cat"], $owner_uid));
2208 }
2209
2210 return $rv;
2211 }
2212
2213 function getChildCategories($link, $cat, $owner_uid) {
2214 $rv = array();
2215
2216 $result = db_query($link, "SELECT id FROM ttrss_feed_categories
2217 WHERE parent_cat = '$cat' AND owner_uid = $owner_uid");
2218
2219 while ($line = db_fetch_assoc($result)) {
2220 array_push($rv, $line["id"]);
2221 $rv = array_merge($rv, getChildCategories($link, $line["id"], $owner_uid));
2222 }
2223
2224 return $rv;
2225 }
2226
2227 function queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view, $search, $search_mode, $override_order = false, $offset = 0, $owner_uid = 0, $filter = false, $since_id = 0, $include_children = false, $ignore_vfeed_group = false) {
2228
2229 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2230
2231 $ext_tables_part = "";
2232
2233 if ($search) {
2234
2235 if (SPHINX_ENABLED) {
2236 $ids = join(",", @sphinx_search($search, 0, 500));
2237
2238 if ($ids)
2239 $search_query_part = "ref_id IN ($ids) AND ";
2240 else
2241 $search_query_part = "ref_id = -1 AND ";
2242
2243 } else {
2244 $search_query_part = search_to_sql($link, $search);
2245 $search_query_part .= " AND ";
2246 }
2247
2248 } else {
2249 $search_query_part = "";
2250 }
2251
2252 if ($filter) {
2253
2254 if (DB_TYPE == "pgsql") {
2255 $query_strategy_part .= " AND updated > NOW() - INTERVAL '14 days' ";
2256 } else {
2257 $query_strategy_part .= " AND updated > DATE_SUB(NOW(), INTERVAL 14 DAY) ";
2258 }
2259
2260 $override_order = "updated DESC";
2261
2262 $filter_query_part = filter_to_sql($link, $filter, $owner_uid);
2263
2264 // Try to check if SQL regexp implementation chokes on a valid regexp
2265 $result = db_query($link, "SELECT true AS true_val FROM ttrss_entries,
2266 ttrss_user_entries, ttrss_feeds, ttrss_feed_categories
2267 WHERE $filter_query_part LIMIT 1", false);
2268
2269 if ($result) {
2270 $test = db_fetch_result($result, 0, "true_val");
2271
2272 if (!$test) {
2273 $filter_query_part = "false AND";
2274 } else {
2275 $filter_query_part .= " AND";
2276 }
2277 } else {
2278 $filter_query_part = "false AND";
2279 }
2280
2281 } else {
2282 $filter_query_part = "";
2283 }
2284
2285 if ($since_id) {
2286 $since_id_part = "ttrss_entries.id > $since_id AND ";
2287 } else {
2288 $since_id_part = "";
2289 }
2290
2291 $view_query_part = "";
2292
2293 if ($view_mode == "adaptive") {
2294 if ($search) {
2295 $view_query_part = " ";
2296 } else if ($feed != -1) {
2297
2298 $unread = getFeedUnread($link, $feed, $cat_view);
2299
2300 if ($cat_view && $feed > 0 && $include_children)
2301 $unread += getCategoryChildrenUnread($link, $feed);
2302
2303 if ($unread > 0)
2304 $view_query_part = " unread = true AND ";
2305
2306 }
2307 }
2308
2309 if ($view_mode == "marked") {
2310 $view_query_part = " marked = true AND ";
2311 }
2312
2313 if ($view_mode == "has_note") {
2314 $view_query_part = " (note IS NOT NULL AND note != '') AND ";
2315 }
2316
2317 if ($view_mode == "published") {
2318 $view_query_part = " published = true AND ";
2319 }
2320
2321 if ($view_mode == "unread" && $feed != -6) {
2322 $view_query_part = " unread = true AND ";
2323 }
2324
2325 if ($limit > 0) {
2326 $limit_query_part = "LIMIT " . $limit;
2327 }
2328
2329 $allow_archived = false;
2330
2331 $vfeed_query_part = "";
2332
2333 // override query strategy and enable feed display when searching globally
2334 if ($search && $search_mode == "all_feeds") {
2335 $query_strategy_part = "true";
2336 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2337 /* tags */
2338 } else if (!is_numeric($feed)) {
2339 $query_strategy_part = "true";
2340 $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
2341 id = feed_id) as feed_title,";
2342 } else if ($search && $search_mode == "this_cat") {
2343 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2344
2345 if ($feed > 0) {
2346 if ($include_children) {
2347 $subcats = getChildCategories($link, $feed, $owner_uid);
2348 array_push($subcats, $feed);
2349 $cats_qpart = join(",", $subcats);
2350 } else {
2351 $cats_qpart = $feed;
2352 }
2353
2354 $query_strategy_part = "ttrss_feeds.cat_id IN ($cats_qpart)";
2355
2356 } else {
2357 $query_strategy_part = "ttrss_feeds.cat_id IS NULL";
2358 }
2359
2360 } else if ($feed > 0) {
2361
2362 if ($cat_view) {
2363
2364 if ($feed > 0) {
2365 if ($include_children) {
2366 # sub-cats
2367 $subcats = getChildCategories($link, $feed, $owner_uid);
2368
2369 array_push($subcats, $feed);
2370 $query_strategy_part = "cat_id IN (".
2371 implode(",", $subcats).")";
2372
2373 } else {
2374 $query_strategy_part = "cat_id = '$feed'";
2375 }
2376
2377 } else {
2378 $query_strategy_part = "cat_id IS NULL";
2379 }
2380
2381 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2382
2383 } else {
2384 $query_strategy_part = "feed_id = '$feed'";
2385 }
2386 } else if ($feed == 0 && !$cat_view) { // archive virtual feed
2387 $query_strategy_part = "feed_id IS NULL";
2388 $allow_archived = true;
2389 } else if ($feed == 0 && $cat_view) { // uncategorized
2390 $query_strategy_part = "cat_id IS NULL AND feed_id IS NOT NULL";
2391 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2392 } else if ($feed == -1) { // starred virtual feed
2393 $query_strategy_part = "marked = true";
2394 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2395 $allow_archived = true;
2396
2397 if (!$override_order) {
2398 $override_order = "last_marked DESC, date_entered DESC, updated DESC";
2399 }
2400
2401 } else if ($feed == -2) { // published virtual feed OR labels category
2402
2403 if (!$cat_view) {
2404 $query_strategy_part = "published = true";
2405 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2406 $allow_archived = true;
2407
2408 if (!$override_order) {
2409 $override_order = "last_published DESC, date_entered DESC, updated DESC";
2410 }
2411
2412 } else {
2413 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2414
2415 $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
2416
2417 $query_strategy_part = "ttrss_labels2.id = ttrss_user_labels2.label_id AND
2418 ttrss_user_labels2.article_id = ref_id";
2419
2420 }
2421 } else if ($feed == -6) { // recently read
2422 $query_strategy_part = "unread = false AND last_read IS NOT NULL";
2423 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2424 $allow_archived = true;
2425
2426 if (!$override_order) $override_order = "last_read DESC";
2427 } else if ($feed == -3) { // fresh virtual feed
2428 $query_strategy_part = "unread = true AND score >= 0";
2429
2430 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
2431
2432 if (DB_TYPE == "pgsql") {
2433 $query_strategy_part .= " AND date_entered > NOW() - INTERVAL '$intl hour' ";
2434 } else {
2435 $query_strategy_part .= " AND date_entered > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
2436 }
2437
2438 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2439 } else if ($feed == -4) { // all articles virtual feed
2440 $allow_archived = true;
2441 $query_strategy_part = "true";
2442 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2443 } else if ($feed <= LABEL_BASE_INDEX) { // labels
2444 $label_id = feed_to_label_id($feed);
2445
2446 $query_strategy_part = "label_id = '$label_id' AND
2447 ttrss_labels2.id = ttrss_user_labels2.label_id AND
2448 ttrss_user_labels2.article_id = ref_id";
2449
2450 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2451 $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
2452 $allow_archived = true;
2453
2454 } else {
2455 $query_strategy_part = "true";
2456 }
2457
2458 $order_by = "score DESC, date_entered DESC, updated DESC";
2459
2460 if ($view_mode == "unread_first") {
2461 $order_by = "unread DESC, $order_by";
2462 }
2463
2464 if ($override_order) {
2465 $order_by = $override_order;
2466 }
2467
2468 $feed_title = "";
2469
2470 if ($search) {
2471 $feed_title = T_sprintf("Search results: %s", $search);
2472 } else {
2473 if ($cat_view) {
2474 $feed_title = getCategoryTitle($link, $feed);
2475 } else {
2476 if (is_numeric($feed) && $feed > 0) {
2477 $result = db_query($link, "SELECT title,site_url,last_error
2478 FROM ttrss_feeds WHERE id = '$feed' AND owner_uid = $owner_uid");
2479
2480 $feed_title = db_fetch_result($result, 0, "title");
2481 $feed_site_url = db_fetch_result($result, 0, "site_url");
2482 $last_error = db_fetch_result($result, 0, "last_error");
2483 } else {
2484 $feed_title = getFeedTitle($link, $feed);
2485 }
2486 }
2487 }
2488
2489 $content_query_part = "content as content_preview, cached_content, ";
2490
2491 if (is_numeric($feed)) {
2492
2493 if ($feed >= 0) {
2494 $feed_kind = "Feeds";
2495 } else {
2496 $feed_kind = "Labels";
2497 }
2498
2499 if ($limit_query_part) {
2500 $offset_query_part = "OFFSET $offset";
2501 }
2502
2503 // proper override_order applied above
2504 if ($vfeed_query_part && !$ignore_vfeed_group && get_pref($link, 'VFEED_GROUP_BY_FEED', $owner_uid)) {
2505 if (!$override_order) {
2506 $order_by = "ttrss_feeds.title, $order_by";
2507 } else {
2508 $order_by = "ttrss_feeds.title, $override_order";
2509 }
2510 }
2511
2512 if (!$allow_archived) {
2513 $from_qpart = "ttrss_entries,ttrss_user_entries,ttrss_feeds$ext_tables_part";
2514 $feed_check_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
2515
2516 } else {
2517 $from_qpart = "ttrss_entries$ext_tables_part,ttrss_user_entries
2518 LEFT JOIN ttrss_feeds ON (feed_id = ttrss_feeds.id)";
2519 }
2520
2521 $query = "SELECT DISTINCT
2522 date_entered,
2523 guid,
2524 ttrss_entries.id,ttrss_entries.title,
2525 updated,
2526 label_cache,
2527 tag_cache,
2528 always_display_enclosures,
2529 site_url,
2530 note,
2531 num_comments,
2532 comments,
2533 int_id,
2534 hide_images,
2535 unread,feed_id,marked,published,link,last_read,orig_feed_id,
2536 last_marked, last_published,
2537 $vfeed_query_part
2538 $content_query_part
2539 author,score
2540 FROM
2541 $from_qpart
2542 WHERE
2543 $feed_check_qpart
2544 ttrss_user_entries.ref_id = ttrss_entries.id AND
2545 ttrss_user_entries.owner_uid = '$owner_uid' AND
2546 $search_query_part
2547 $filter_query_part
2548 $view_query_part
2549 $since_id_part
2550 $query_strategy_part ORDER BY $order_by
2551 $limit_query_part $offset_query_part";
2552
2553 if ($_REQUEST["debug"]) print $query;
2554
2555 $result = db_query($link, $query);
2556
2557 } else {
2558 // browsing by tag
2559
2560 $select_qpart = "SELECT DISTINCT " .
2561 "date_entered," .
2562 "guid," .
2563 "note," .
2564 "ttrss_entries.id as id," .
2565 "title," .
2566 "updated," .
2567 "unread," .
2568 "feed_id," .
2569 "orig_feed_id," .
2570 "marked," .
2571 "num_comments, " .
2572 "comments, " .
2573 "tag_cache," .
2574 "label_cache," .
2575 "link," .
2576 "last_read," .
2577 "(SELECT hide_images FROM ttrss_feeds WHERE id = feed_id) AS hide_images," .
2578 "last_marked, last_published, " .
2579 $since_id_part .
2580 $vfeed_query_part .
2581 $content_query_part .
2582 "score ";
2583
2584 $feed_kind = "Tags";
2585 $all_tags = explode(",", $feed);
2586 if ($search_mode == 'any') {
2587 $tag_sql = "tag_name in (" . implode(", ", array_map("db_quote", $all_tags)) . ")";
2588 $from_qpart = " FROM ttrss_entries,ttrss_user_entries,ttrss_tags ";
2589 $where_qpart = " WHERE " .
2590 "ref_id = ttrss_entries.id AND " .
2591 "ttrss_user_entries.owner_uid = $owner_uid AND " .
2592 "post_int_id = int_id AND $tag_sql AND " .
2593 $view_query_part .
2594 $search_query_part .
2595 $query_strategy_part . " ORDER BY $order_by " .
2596 $limit_query_part;
2597
2598 } else {
2599 $i = 1;
2600 $sub_selects = array();
2601 $sub_ands = array();
2602 foreach ($all_tags as $term) {
2603 array_push($sub_selects, "(SELECT post_int_id from ttrss_tags WHERE tag_name = " . db_quote($term) . " AND owner_uid = $owner_uid) as A$i");
2604 $i++;
2605 }
2606 if ($i > 2) {
2607 $x = 1;
2608 $y = 2;
2609 do {
2610 array_push($sub_ands, "A$x.post_int_id = A$y.post_int_id");
2611 $x++;
2612 $y++;
2613 } while ($y < $i);
2614 }
2615 array_push($sub_ands, "A1.post_int_id = ttrss_user_entries.int_id and ttrss_user_entries.owner_uid = $owner_uid");
2616 array_push($sub_ands, "ttrss_user_entries.ref_id = ttrss_entries.id");
2617 $from_qpart = " FROM " . implode(", ", $sub_selects) . ", ttrss_user_entries, ttrss_entries";
2618 $where_qpart = " WHERE " . implode(" AND ", $sub_ands);
2619 }
2620 // error_log("TAG SQL: " . $tag_sql);
2621 // $tag_sql = "tag_name = '$feed'"; DEFAULT way
2622
2623 // error_log("[". $select_qpart . "][" . $from_qpart . "][" .$where_qpart . "]");
2624 $result = db_query($link, $select_qpart . $from_qpart . $where_qpart);
2625 }
2626
2627 return array($result, $feed_title, $feed_site_url, $last_error);
2628
2629 }
2630
2631 function sanitize($link, $str, $force_remove_images = false, $owner = false, $site_url = false) {
2632 if (!$owner) $owner = $_SESSION["uid"];
2633
2634 $res = trim($str); if (!$res) return '';
2635
2636 if (strpos($res, "href=") === false)
2637 $res = rewrite_urls($res);
2638
2639 $charset_hack = '<head>
2640 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
2641 </head>';
2642
2643 $res = trim($res); if (!$res) return '';
2644
2645 libxml_use_internal_errors(true);
2646
2647 $doc = new DOMDocument();
2648 $doc->loadHTML($charset_hack . $res);
2649 $xpath = new DOMXPath($doc);
2650
2651 $entries = $xpath->query('(//a[@href]|//img[@src])');
2652
2653 foreach ($entries as $entry) {
2654
2655 if ($site_url) {
2656
2657 if ($entry->hasAttribute('href'))
2658 $entry->setAttribute('href',
2659 rewrite_relative_url($site_url, $entry->getAttribute('href')));
2660
2661 if ($entry->hasAttribute('src')) {
2662 $src = rewrite_relative_url($site_url, $entry->getAttribute('src'));
2663
2664 $cached_filename = CACHE_DIR . '/images/' . sha1($src) . '.png';
2665
2666 if (file_exists($cached_filename)) {
2667 $src = SELF_URL_PATH . '/image.php?hash=' . sha1($src);
2668 }
2669
2670 $entry->setAttribute('src', $src);
2671 }
2672
2673 if ($entry->nodeName == 'img') {
2674 if (($owner && get_pref($link, "STRIP_IMAGES", $owner)) ||
2675 $force_remove_images || $_SESSION["bw_limit"]) {
2676
2677 $p = $doc->createElement('p');
2678
2679 $a = $doc->createElement('a');
2680 $a->setAttribute('href', $entry->getAttribute('src'));
2681
2682 $a->appendChild(new DOMText($entry->getAttribute('src')));
2683 $a->setAttribute('target', '_blank');
2684
2685 $p->appendChild($a);
2686
2687 $entry->parentNode->replaceChild($p, $entry);
2688 }
2689 }
2690 }
2691
2692 if (strtolower($entry->nodeName) == "a") {
2693 $entry->setAttribute("target", "_blank");
2694 }
2695 }
2696
2697 $entries = $xpath->query('//iframe');
2698 foreach ($entries as $entry) {
2699 $entry->setAttribute('sandbox', 'allow-scripts');
2700
2701 }
2702
2703 $allowed_elements = array('a', 'address', 'audio', 'article',
2704 'b', 'big', 'blockquote', 'body', 'br', 'cite', 'center',
2705 'code', 'dd', 'del', 'details', 'div', 'dl', 'font',
2706 'dt', 'em', 'footer', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6',
2707 'header', 'html', 'i', 'img', 'ins', 'kbd',
2708 'li', 'nav', 'noscript', 'ol', 'p', 'pre', 'q', 's','small',
2709 'source', 'span', 'strike', 'strong', 'sub', 'summary',
2710 'sup', 'table', 'tbody', 'td', 'tfoot', 'th', 'thead',
2711 'tr', 'track', 'tt', 'u', 'ul', 'var', 'wbr', 'video' );
2712
2713 if ($_SESSION['hasSandbox']) $allowed_elements[] = 'iframe';
2714
2715 $disallowed_attributes = array('id', 'style', 'class');
2716
2717 global $pluginhost;
2718
2719 if (isset($pluginhost)) {
2720 foreach ($pluginhost->get_hooks($pluginhost::HOOK_SANITIZE) as $plugin) {
2721 $retval = $plugin->hook_sanitize($doc, $site_url, $allowed_elements, $disallowed_attributes);
2722 if (is_array($retval)) {
2723 $doc = $retval[0];
2724 $allowed_elements = $retval[1];
2725 $disallowed_attributes = $retval[2];
2726 } else {
2727 $doc = $retval;
2728 }
2729 }
2730 }
2731
2732 $doc->removeChild($doc->firstChild); //remove doctype
2733 $doc = strip_harmful_tags($doc, $allowed_elements, $disallowed_attributes);
2734 $res = $doc->saveHTML();
2735 return $res;
2736 }
2737
2738 function strip_harmful_tags($doc, $allowed_elements, $disallowed_attributes) {
2739 $entries = $doc->getElementsByTagName("*");
2740
2741 foreach ($entries as $entry) {
2742 if (!in_array($entry->nodeName, $allowed_elements)) {
2743 $entry->parentNode->removeChild($entry);
2744 }
2745
2746 if ($entry->hasAttributes()) {
2747 $attrs_to_remove = array();
2748
2749 foreach ($entry->attributes as $attr) {
2750
2751 if (strpos($attr->nodeName, 'on') === 0) {
2752 array_push($attrs_to_remove, $attr);
2753 }
2754
2755 if (in_array($attr->nodeName, $disallowed_attributes)) {
2756 array_push($attrs_to_remove, $attr);
2757 }
2758 }
2759
2760 foreach ($attrs_to_remove as $attr) {
2761 $entry->removeAttributeNode($attr);
2762 }
2763 }
2764 }
2765
2766 return $doc;
2767 }
2768
2769 function check_for_update($link) {
2770 if (CHECK_FOR_NEW_VERSION && $_SESSION['access_level'] >= 10) {
2771 $version_url = "http://tt-rss.org/version.php?ver=" . VERSION .
2772 "&iid=" . sha1(SELF_URL_PATH);
2773
2774 $version_data = @fetch_file_contents($version_url);
2775
2776 if ($version_data) {
2777 $version_data = json_decode($version_data, true);
2778 if ($version_data && $version_data['version']) {
2779
2780 if (version_compare(VERSION, $version_data['version']) == -1) {
2781 return $version_data;
2782 }
2783 }
2784 }
2785 }
2786 return false;
2787 }
2788
2789 function catchupArticlesById($link, $ids, $cmode, $owner_uid = false) {
2790
2791 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2792 if (count($ids) == 0) return;
2793
2794 $tmp_ids = array();
2795
2796 foreach ($ids as $id) {
2797 array_push($tmp_ids, "ref_id = '$id'");
2798 }
2799
2800 $ids_qpart = join(" OR ", $tmp_ids);
2801
2802 if ($cmode == 0) {
2803 db_query($link, "UPDATE ttrss_user_entries SET
2804 unread = false,last_read = NOW()
2805 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
2806 } else if ($cmode == 1) {
2807 db_query($link, "UPDATE ttrss_user_entries SET
2808 unread = true
2809 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
2810 } else {
2811 db_query($link, "UPDATE ttrss_user_entries SET
2812 unread = NOT unread,last_read = NOW()
2813 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
2814 }
2815
2816 /* update ccache */
2817
2818 $result = db_query($link, "SELECT DISTINCT feed_id FROM ttrss_user_entries
2819 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
2820
2821 while ($line = db_fetch_assoc($result)) {
2822 ccache_update($link, $line["feed_id"], $owner_uid);
2823 }
2824 }
2825
2826 function get_article_tags($link, $id, $owner_uid = 0, $tag_cache = false) {
2827
2828 $a_id = db_escape_string($link, $id);
2829
2830 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2831
2832 $query = "SELECT DISTINCT tag_name,
2833 owner_uid as owner FROM
2834 ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
2835 ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name";
2836
2837 $obj_id = md5("TAGS:$owner_uid:$id");
2838 $tags = array();
2839
2840 /* check cache first */
2841
2842 if ($tag_cache === false) {
2843 $result = db_query($link, "SELECT tag_cache FROM ttrss_user_entries
2844 WHERE ref_id = '$id' AND owner_uid = $owner_uid");
2845
2846 $tag_cache = db_fetch_result($result, 0, "tag_cache");
2847 }
2848
2849 if ($tag_cache) {
2850 $tags = explode(",", $tag_cache);
2851 } else {
2852
2853 /* do it the hard way */
2854
2855 $tmp_result = db_query($link, $query);
2856
2857 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2858 array_push($tags, $tmp_line["tag_name"]);
2859 }
2860
2861 /* update the cache */
2862
2863 $tags_str = db_escape_string($link, join(",", $tags));
2864
2865 db_query($link, "UPDATE ttrss_user_entries
2866 SET tag_cache = '$tags_str' WHERE ref_id = '$id'
2867 AND owner_uid = $owner_uid");
2868 }
2869
2870 return $tags;
2871 }
2872
2873 function trim_array($array) {
2874 $tmp = $array;
2875 array_walk($tmp, 'trim');
2876 return $tmp;
2877 }
2878
2879 function tag_is_valid($tag) {
2880 if ($tag == '') return false;
2881 if (preg_match("/^[0-9]*$/", $tag)) return false;
2882 if (mb_strlen($tag) > 250) return false;
2883
2884 if (function_exists('iconv')) {
2885 $tag = iconv("utf-8", "utf-8", $tag);
2886 }
2887
2888 if (!$tag) return false;
2889
2890 return true;
2891 }
2892
2893 function render_login_form($link) {
2894 require_once "login_form.php";
2895 exit;
2896 }
2897
2898 // from http://developer.apple.com/internet/safari/faq.html
2899 function no_cache_incantation() {
2900 header("Expires: Mon, 22 Dec 1980 00:00:00 GMT"); // Happy birthday to me :)
2901 header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // always modified
2902 header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0"); // HTTP/1.1
2903 header("Cache-Control: post-check=0, pre-check=0", false);
2904 header("Pragma: no-cache"); // HTTP/1.0
2905 }
2906
2907 function format_warning($msg, $id = "") {
2908 global $link;
2909 return "<div class=\"warning\" id=\"$id\">
2910 <img src=\"images/sign_excl.svg\"><div class='inner'>$msg</div></div>";
2911 }
2912
2913 function format_notice($msg, $id = "") {
2914 global $link;
2915 return "<div class=\"notice\" id=\"$id\">
2916 <img src=\"images/sign_info.svg\"><div class='inner'>$msg</div></div>";
2917 }
2918
2919 function format_error($msg, $id = "") {
2920 global $link;
2921 return "<div class=\"error\" id=\"$id\">
2922 <img src=\"images/sign_excl.svg\"><div class='inner'>$msg</div></div>";
2923 }
2924
2925 function print_notice($msg) {
2926 return print format_notice($msg);
2927 }
2928
2929 function print_warning($msg) {
2930 return print format_warning($msg);
2931 }
2932
2933 function print_error($msg) {
2934 return print format_error($msg);
2935 }
2936
2937
2938 function T_sprintf() {
2939 $args = func_get_args();
2940 return vsprintf(__(array_shift($args)), $args);
2941 }
2942
2943 function format_inline_player($link, $url, $ctype) {
2944
2945 $entry = "";
2946
2947 $url = htmlspecialchars($url);
2948
2949 if (strpos($ctype, "audio/") === 0) {
2950
2951 if ($_SESSION["hasAudio"] && (strpos($ctype, "ogg") !== false ||
2952 strpos($_SERVER['HTTP_USER_AGENT'], "Chrome") !== false ||
2953 strpos($_SERVER['HTTP_USER_AGENT'], "Safari") !== false )) {
2954
2955 $id = 'AUDIO-' . uniqid();
2956
2957 $entry .= "<audio id=\"$id\"\" controls style='display : none'>
2958 <source type=\"$ctype\" src=\"$url\"></source>
2959 </audio>";
2960
2961 $entry .= "<span onclick=\"player(this)\"
2962 title=\"".__("Click to play")."\" status=\"0\"
2963 class=\"player\" audio-id=\"$id\">".__("Play")."</span>";
2964
2965 } else {
2966
2967 $entry .= "<object type=\"application/x-shockwave-flash\"
2968 data=\"lib/button/musicplayer.swf?song_url=$url\"
2969 width=\"17\" height=\"17\" style='float : left; margin-right : 5px;'>
2970 <param name=\"movie\"
2971 value=\"lib/button/musicplayer.swf?song_url=$url\" />
2972 </object>";
2973 }
2974
2975 if ($entry) $entry .= "&nbsp; <a target=\"_blank\"
2976 href=\"$url\">" . basename($url) . "</a>";
2977
2978 return $entry;
2979
2980 }
2981
2982 return "";
2983
2984 /* $filename = substr($url, strrpos($url, "/")+1);
2985
2986 $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
2987 $filename . " (" . $ctype . ")" . "</a>"; */
2988
2989 }
2990
2991 function format_article($link, $id, $mark_as_read = true, $zoom_mode = false, $owner_uid = false) {
2992 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2993
2994 $rv = array();
2995
2996 $rv['id'] = $id;
2997
2998 /* we can figure out feed_id from article id anyway, why do we
2999 * pass feed_id here? let's ignore the argument :( */
3000
3001 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
3002 WHERE ref_id = '$id'");
3003
3004 $feed_id = (int) db_fetch_result($result, 0, "feed_id");
3005
3006 $rv['feed_id'] = $feed_id;
3007
3008 //if (!$zoom_mode) { print "<article id='$id'><![CDATA["; };
3009
3010 if ($mark_as_read) {
3011 $result = db_query($link, "UPDATE ttrss_user_entries
3012 SET unread = false,last_read = NOW()
3013 WHERE ref_id = '$id' AND owner_uid = $owner_uid");
3014
3015 ccache_update($link, $feed_id, $owner_uid);
3016 }
3017
3018 $result = db_query($link, "SELECT id,title,link,content,feed_id,comments,int_id,
3019 ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
3020 (SELECT site_url FROM ttrss_feeds WHERE id = feed_id) as site_url,
3021 (SELECT hide_images FROM ttrss_feeds WHERE id = feed_id) as hide_images,
3022 num_comments,
3023 tag_cache,
3024 author,
3025 orig_feed_id,
3026 note,
3027 cached_content
3028 FROM ttrss_entries,ttrss_user_entries
3029 WHERE id = '$id' AND ref_id = id AND owner_uid = $owner_uid");
3030
3031 if ($result) {
3032
3033 $line = db_fetch_assoc($result);
3034
3035 $tag_cache = $line["tag_cache"];
3036
3037 $line["tags"] = get_article_tags($link, $id, $owner_uid, $line["tag_cache"]);
3038 unset($line["tag_cache"]);
3039
3040 $line["content"] = sanitize($link, $line["content"], false, $owner_uid, $line["site_url"]);
3041
3042 global $pluginhost;
3043
3044 foreach ($pluginhost->get_hooks($pluginhost::HOOK_RENDER_ARTICLE) as $p) {
3045 $line = $p->hook_render_article($line);
3046 }
3047
3048 $num_comments = $line["num_comments"];
3049 $entry_comments = "";
3050
3051 if ($num_comments > 0) {
3052 if ($line["comments"]) {
3053 $comments_url = htmlspecialchars($line["comments"]);
3054 } else {
3055 $comments_url = htmlspecialchars($line["link"]);
3056 }
3057 $entry_comments = "<a target='_blank' href=\"$comments_url\">$num_comments comments</a>";
3058 } else {
3059 if ($line["comments"] && $line["link"] != $line["comments"]) {
3060 $entry_comments = "<a target='_blank' href=\"".htmlspecialchars($line["comments"])."\">comments</a>";
3061 }
3062 }
3063
3064 if ($zoom_mode) {
3065 header("Content-Type: text/html");
3066 $rv['content'] .= "<html><head>
3067 <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
3068 <title>Tiny Tiny RSS - ".$line["title"]."</title>
3069 <link rel=\"stylesheet\" type=\"text/css\" href=\"tt-rss.css\">
3070 </head><body id=\"ttrssZoom\">";
3071 }
3072
3073 $rv['content'] .= "<div class=\"postReply\" id=\"POST-$id\">";
3074
3075 $rv['content'] .= "<div class=\"postHeader\" id=\"POSTHDR-$id\">";
3076
3077 $entry_author = $line["author"];
3078
3079 if ($entry_author) {
3080 $entry_author = __(" - ") . $entry_author;
3081 }
3082
3083 $parsed_updated = make_local_datetime($link, $line["updated"], true,
3084 $owner_uid, true);
3085
3086 $rv['content'] .= "<div class=\"postDate\">$parsed_updated</div>";
3087
3088 if ($line["link"]) {
3089 $rv['content'] .= "<div class='postTitle'><a target='_blank'
3090 title=\"".htmlspecialchars($line['title'])."\"
3091 href=\"" .
3092 htmlspecialchars($line["link"]) . "\">" .
3093 $line["title"] . "</a>" .
3094 "<span class='author'>$entry_author</span></div>";
3095 } else {
3096 $rv['content'] .= "<div class='postTitle'>" . $line["title"] . "$entry_author</div>";
3097 }
3098
3099 $tags_str = format_tags_string($line["tags"], $id);
3100 $tags_str_full = join(", ", $line["tags"]);
3101
3102 if (!$tags_str_full) $tags_str_full = __("no tags");
3103
3104 if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
3105
3106 $rv['content'] .= "<div class='postTags' style='float : right'>
3107 <img src='images/tag.png'
3108 class='tagsPic' alt='Tags' title='Tags'>&nbsp;";
3109
3110 if (!$zoom_mode) {
3111 $rv['content'] .= "<span id=\"ATSTR-$id\">$tags_str</span>
3112 <a title=\"".__('Edit tags for this article')."\"
3113 href=\"#\" onclick=\"editArticleTags($id, $feed_id)\">(+)</a>";
3114
3115 $rv['content'] .= "<div dojoType=\"dijit.Tooltip\"
3116 id=\"ATSTRTIP-$id\" connectId=\"ATSTR-$id\"
3117 position=\"below\">$tags_str_full</div>";
3118
3119 global $pluginhost;
3120
3121 foreach ($pluginhost->get_hooks($pluginhost::HOOK_ARTICLE_BUTTON) as $p) {
3122 $rv['content'] .= $p->hook_article_button($line);
3123 }
3124
3125
3126 } else {
3127 $tags_str = strip_tags($tags_str);
3128 $rv['content'] .= "<span id=\"ATSTR-$id\">$tags_str</span>";
3129 }
3130 $rv['content'] .= "</div>";
3131 $rv['content'] .= "<div clear='both'>$entry_comments</div>";
3132
3133 if ($line["orig_feed_id"]) {
3134
3135 $tmp_result = db_query($link, "SELECT * FROM ttrss_archived_feeds
3136 WHERE id = ".$line["orig_feed_id"]);
3137
3138 if (db_num_rows($tmp_result) != 0) {
3139
3140 $rv['content'] .= "<div clear='both'>";
3141 $rv['content'] .= __("Originally from:");
3142
3143 $rv['content'] .= "&nbsp;";
3144
3145 $tmp_line = db_fetch_assoc($tmp_result);
3146
3147 $rv['content'] .= "<a target='_blank'
3148 href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
3149 $tmp_line['title'] . "</a>";
3150
3151 $rv['content'] .= "&nbsp;";
3152
3153 $rv['content'] .= "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
3154 $rv['content'] .= "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.svg'></a>";
3155
3156 $rv['content'] .= "</div>";
3157 }
3158 }
3159
3160 $rv['content'] .= "</div>";
3161
3162 $rv['content'] .= "<div id=\"POSTNOTE-$id\">";
3163 if ($line['note']) {
3164 $rv['content'] .= format_article_note($id, $line['note'], !$zoom_mode);
3165 }
3166 $rv['content'] .= "</div>";
3167
3168 $rv['content'] .= "<div class=\"postContent\">";
3169
3170 $rv['content'] .= $line["content"];
3171
3172 $rv['content'] .= format_article_enclosures($link, $id,
3173 $always_display_enclosures, $line["content"], $line["hide_images"]);
3174
3175 $rv['content'] .= "</div>";
3176
3177 $rv['content'] .= "</div>";
3178
3179 }
3180
3181 if ($zoom_mode) {
3182 $rv['content'] .= "
3183 <div class='footer'>
3184 <button onclick=\"return window.close()\">".
3185 __("Close this window")."</button></div>";
3186 $rv['content'] .= "</body></html>";
3187 }
3188
3189 return $rv;
3190
3191 }
3192
3193 function print_checkpoint($n, $s) {
3194 $ts = microtime(true);
3195 echo sprintf("<!-- CP[$n] %.4f seconds -->", $ts - $s);
3196 return $ts;
3197 }
3198
3199 function sanitize_tag($tag) {
3200 $tag = trim($tag);
3201
3202 $tag = mb_strtolower($tag, 'utf-8');
3203
3204 $tag = preg_replace('/[\'\"\+\>\<]/', "", $tag);
3205
3206 // $tag = str_replace('"', "", $tag);
3207 // $tag = str_replace("+", " ", $tag);
3208 $tag = str_replace("technorati tag: ", "", $tag);
3209
3210 return $tag;
3211 }
3212
3213 function get_self_url_prefix() {
3214 if (strrpos(SELF_URL_PATH, "/") === strlen(SELF_URL_PATH)-1) {
3215 return substr(SELF_URL_PATH, 0, strlen(SELF_URL_PATH)-1);
3216 } else {
3217 return SELF_URL_PATH;
3218 }
3219 }
3220
3221 /**
3222 * Compute the Mozilla Firefox feed adding URL from server HOST and REQUEST_URI.
3223 *
3224 * @return string The Mozilla Firefox feed adding URL.
3225 */
3226 function add_feed_url() {
3227 //$url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' : 'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
3228
3229 $url_path = get_self_url_prefix() .
3230 "/public.php?op=subscribe&feed_url=%s";
3231 return $url_path;
3232 } // function add_feed_url
3233
3234 function encrypt_password($pass, $salt = '', $mode2 = false) {
3235 if ($salt && $mode2) {
3236 return "MODE2:" . hash('sha256', $salt . $pass);
3237 } else if ($salt) {
3238 return "SHA1X:" . sha1("$salt:$pass");
3239 } else {
3240 return "SHA1:" . sha1($pass);
3241 }
3242 } // function encrypt_password
3243
3244 function load_filters($link, $feed_id, $owner_uid, $action_id = false) {
3245 $filters = array();
3246
3247 $cat_id = (int)getFeedCategory($link, $feed_id);
3248
3249 $result = db_query($link, "SELECT * FROM ttrss_filters2 WHERE
3250 owner_uid = $owner_uid AND enabled = true ORDER BY order_id, title");
3251
3252 $check_cats = join(",", array_merge(
3253 getParentCategories($link, $cat_id, $owner_uid),
3254 array($cat_id)));
3255
3256 while ($line = db_fetch_assoc($result)) {
3257 $filter_id = $line["id"];
3258
3259 $result2 = db_query($link, "SELECT
3260 r.reg_exp, r.inverse, r.feed_id, r.cat_id, r.cat_filter, t.name AS type_name
3261 FROM ttrss_filters2_rules AS r,
3262 ttrss_filter_types AS t
3263 WHERE
3264 (cat_id IS NULL OR cat_id IN ($check_cats)) AND
3265 (feed_id IS NULL OR feed_id = '$feed_id') AND
3266 filter_type = t.id AND filter_id = '$filter_id'");
3267
3268 $rules = array();
3269 $actions = array();
3270
3271 while ($rule_line = db_fetch_assoc($result2)) {
3272 # print_r($rule_line);
3273
3274 $rule = array();
3275 $rule["reg_exp"] = $rule_line["reg_exp"];
3276 $rule["type"] = $rule_line["type_name"];
3277 $rule["inverse"] = sql_bool_to_bool($rule_line["inverse"]);
3278
3279 array_push($rules, $rule);
3280 }
3281
3282 $result2 = db_query($link, "SELECT a.action_param,t.name AS type_name
3283 FROM ttrss_filters2_actions AS a,
3284 ttrss_filter_actions AS t
3285 WHERE
3286 action_id = t.id AND filter_id = '$filter_id'");
3287
3288 while ($action_line = db_fetch_assoc($result2)) {
3289 # print_r($action_line);
3290
3291 $action = array();
3292 $action["type"] = $action_line["type_name"];
3293 $action["param"] = $action_line["action_param"];
3294
3295 array_push($actions, $action);
3296 }
3297
3298
3299 $filter = array();
3300 $filter["match_any_rule"] = sql_bool_to_bool($line["match_any_rule"]);
3301 $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
3302 $filter["rules"] = $rules;
3303 $filter["actions"] = $actions;
3304
3305 if (count($rules) > 0 && count($actions) > 0) {
3306 array_push($filters, $filter);
3307 }
3308 }
3309
3310 return $filters;
3311 }
3312
3313 function get_score_pic($score) {
3314 if ($score > 100) {
3315 return "score_high.png";
3316 } else if ($score > 0) {
3317 return "score_half_high.png";
3318 } else if ($score < -100) {
3319 return "score_low.png";
3320 } else if ($score < 0) {
3321 return "score_half_low.png";
3322 } else {
3323 return "score_neutral.png";
3324 }
3325 }
3326
3327 function feed_has_icon($id) {
3328 return is_file(ICONS_DIR . "/$id.ico") && filesize(ICONS_DIR . "/$id.ico") > 0;
3329 }
3330
3331 function init_connection($link) {
3332 if ($link) {
3333
3334 if (DB_TYPE == "pgsql") {
3335 pg_query($link, "set client_encoding = 'UTF-8'");
3336 pg_set_client_encoding("UNICODE");
3337 pg_query($link, "set datestyle = 'ISO, european'");
3338 pg_query($link, "set TIME ZONE 0");
3339 } else {
3340 db_query($link, "SET time_zone = '+0:0'");
3341
3342 if (defined('MYSQL_CHARSET') && MYSQL_CHARSET) {
3343 db_query($link, "SET NAMES " . MYSQL_CHARSET);
3344 }
3345 }
3346
3347 global $pluginhost;
3348
3349 $pluginhost = new PluginHost($link);
3350 $pluginhost->load(PLUGINS, $pluginhost::KIND_ALL);
3351
3352 return true;
3353 } else {
3354 print "Unable to connect to database:" . db_last_error();
3355 return false;
3356 }
3357 }
3358
3359 function format_tags_string($tags, $id) {
3360
3361 $tags_str = "";
3362 $tags_nolinks_str = "";
3363
3364 $num_tags = 0;
3365
3366 $tag_limit = 6;
3367
3368 $formatted_tags = array();
3369
3370 foreach ($tags as $tag) {
3371 $num_tags++;
3372 $tag_escaped = str_replace("'", "\\'", $tag);
3373
3374 if (mb_strlen($tag) > 30) {
3375 $tag = truncate_string($tag, 30);
3376 }
3377
3378 $tag_str = "<a href=\"javascript:viewfeed('$tag_escaped')\">$tag</a>";
3379
3380 array_push($formatted_tags, $tag_str);
3381
3382 $tmp_tags_str = implode(", ", $formatted_tags);
3383
3384 if ($num_tags == $tag_limit || mb_strlen($tmp_tags_str) > 150) {
3385 break;
3386 }
3387 }
3388
3389 $tags_str = implode(", ", $formatted_tags);
3390
3391 if ($num_tags < count($tags)) {
3392 $tags_str .= ", &hellip;";
3393 }
3394
3395 if ($num_tags == 0) {
3396 $tags_str = __("no tags");
3397 }
3398
3399 return $tags_str;
3400
3401 }
3402
3403 function format_article_labels($labels, $id) {
3404
3405 $labels_str = "";
3406
3407 foreach ($labels as $l) {
3408 $labels_str .= sprintf("<span class='hlLabelRef'
3409 style='color : %s; background-color : %s'>%s</span>",
3410 $l[2], $l[3], $l[1]);
3411 }
3412
3413 return $labels_str;
3414
3415 }
3416
3417 function format_article_note($id, $note, $allow_edit = true) {
3418
3419 $str = "<div class='articleNote' onclick=\"editArticleNote($id)\">
3420 <div class='noteEdit' onclick=\"editArticleNote($id)\">".
3421 ($allow_edit ? __('(edit note)') : "")."</div>$note</div>";
3422
3423 return $str;
3424 }
3425
3426
3427 function get_feed_category($link, $feed_cat, $parent_cat_id = false) {
3428 if ($parent_cat_id) {
3429 $parent_qpart = "parent_cat = '$parent_cat_id'";
3430 $parent_insert = "'$parent_cat_id'";
3431 } else {
3432 $parent_qpart = "parent_cat IS NULL";
3433 $parent_insert = "NULL";
3434 }
3435
3436 $result = db_query($link,
3437 "SELECT id FROM ttrss_feed_categories
3438 WHERE $parent_qpart AND title = '$feed_cat' AND owner_uid = ".$_SESSION["uid"]);
3439
3440 if (db_num_rows($result) == 0) {
3441 return false;
3442 } else {
3443 return db_fetch_result($result, 0, "id");
3444 }
3445 }
3446
3447 function add_feed_category($link, $feed_cat, $parent_cat_id = false) {
3448
3449 if (!$feed_cat) return false;
3450
3451 db_query($link, "BEGIN");
3452
3453 if ($parent_cat_id) {
3454 $parent_qpart = "parent_cat = '$parent_cat_id'";
3455 $parent_insert = "'$parent_cat_id'";
3456 } else {
3457 $parent_qpart = "parent_cat IS NULL";
3458 $parent_insert = "NULL";
3459 }
3460
3461 $feed_cat = mb_substr($feed_cat, 0, 250);
3462
3463 $result = db_query($link,
3464 "SELECT id FROM ttrss_feed_categories
3465 WHERE $parent_qpart AND title = '$feed_cat' AND owner_uid = ".$_SESSION["uid"]);
3466
3467 if (db_num_rows($result) == 0) {
3468
3469 $result = db_query($link,
3470 "INSERT INTO ttrss_feed_categories (owner_uid,title,parent_cat)
3471 VALUES ('".$_SESSION["uid"]."', '$feed_cat', $parent_insert)");
3472
3473 db_query($link, "COMMIT");
3474
3475 return true;
3476 }
3477
3478 return false;
3479 }
3480
3481 function getArticleFeed($link, $id) {
3482 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
3483 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3484
3485 if (db_num_rows($result) != 0) {
3486 return db_fetch_result($result, 0, "feed_id");
3487 } else {
3488 return 0;
3489 }
3490 }
3491
3492 /**
3493 * Fixes incomplete URLs by prepending "http://".
3494 * Also replaces feed:// with http://, and
3495 * prepends a trailing slash if the url is a domain name only.
3496 *
3497 * @param string $url Possibly incomplete URL
3498 *
3499 * @return string Fixed URL.
3500 */
3501 function fix_url($url) {
3502 if (strpos($url, '://') === false) {
3503 $url = 'http://' . $url;
3504 } else if (substr($url, 0, 5) == 'feed:') {
3505 $url = 'http:' . substr($url, 5);
3506 }
3507
3508 //prepend slash if the URL has no slash in it
3509 // "http://www.example" -> "http://www.example/"
3510 if (strpos($url, '/', strpos($url, ':') + 3) === false) {
3511 $url .= '/';
3512 }
3513
3514 if ($url != "http:///")
3515 return $url;
3516 else
3517 return '';
3518 }
3519
3520 function validate_feed_url($url) {
3521 $parts = parse_url($url);
3522
3523 return ($parts['scheme'] == 'http' || $parts['scheme'] == 'feed' || $parts['scheme'] == 'https');
3524
3525 }
3526
3527 function get_article_enclosures($link, $id) {
3528
3529 $query = "SELECT * FROM ttrss_enclosures
3530 WHERE post_id = '$id' AND content_url != ''";
3531
3532 $rv = array();
3533
3534 $result = db_query($link, $query);
3535
3536 if (db_num_rows($result) > 0) {
3537 while ($line = db_fetch_assoc($result)) {
3538 array_push($rv, $line);
3539 }
3540 }
3541
3542 return $rv;
3543 }
3544
3545 function save_email_address($link, $email) {
3546 // FIXME: implement persistent storage of emails
3547
3548 if (!$_SESSION['stored_emails'])
3549 $_SESSION['stored_emails'] = array();
3550
3551 if (!in_array($email, $_SESSION['stored_emails']))
3552 array_push($_SESSION['stored_emails'], $email);
3553 }
3554
3555
3556 function get_feed_access_key($link, $feed_id, $is_cat, $owner_uid = false) {
3557
3558 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3559
3560 $sql_is_cat = bool_to_sql_bool($is_cat);
3561
3562 $result = db_query($link, "SELECT access_key FROM ttrss_access_keys
3563 WHERE feed_id = '$feed_id' AND is_cat = $sql_is_cat
3564 AND owner_uid = " . $owner_uid);
3565
3566 if (db_num_rows($result) == 1) {
3567 return db_fetch_result($result, 0, "access_key");
3568 } else {
3569 $key = db_escape_string($link, sha1(uniqid(rand(), true)));
3570
3571 $result = db_query($link, "INSERT INTO ttrss_access_keys
3572 (access_key, feed_id, is_cat, owner_uid)
3573 VALUES ('$key', '$feed_id', $sql_is_cat, '$owner_uid')");
3574
3575 return $key;
3576 }
3577 return false;
3578 }
3579
3580 function get_feeds_from_html($url, $content)
3581 {
3582 $url = fix_url($url);
3583 $baseUrl = substr($url, 0, strrpos($url, '/') + 1);
3584
3585 libxml_use_internal_errors(true);
3586
3587 $doc = new DOMDocument();
3588 $doc->loadHTML($content);
3589 $xpath = new DOMXPath($doc);
3590 $entries = $xpath->query('/html/head/link[@rel="alternate"]');
3591 $feedUrls = array();
3592 foreach ($entries as $entry) {
3593 if ($entry->hasAttribute('href')) {
3594 $title = $entry->getAttribute('title');
3595 if ($title == '') {
3596 $title = $entry->getAttribute('type');
3597 }
3598 $feedUrl = rewrite_relative_url(
3599 $baseUrl, $entry->getAttribute('href')
3600 );
3601 $feedUrls[$feedUrl] = $title;
3602 }
3603 }
3604 return $feedUrls;
3605 }
3606
3607 function is_html($content) {
3608 return preg_match("/<html|DOCTYPE html/i", substr($content, 0, 20)) !== 0;
3609 }
3610
3611 function url_is_html($url, $login = false, $pass = false) {
3612 return is_html(fetch_file_contents($url, false, $login, $pass));
3613 }
3614
3615 function print_label_select($link, $name, $value, $attributes = "") {
3616
3617 $result = db_query($link, "SELECT caption FROM ttrss_labels2
3618 WHERE owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
3619
3620 print "<select default=\"$value\" name=\"" . htmlspecialchars($name) .
3621 "\" $attributes onchange=\"labelSelectOnChange(this)\" >";
3622
3623 while ($line = db_fetch_assoc($result)) {
3624
3625 $issel = ($line["caption"] == $value) ? "selected=\"1\"" : "";
3626
3627 print "<option value=\"".htmlspecialchars($line["caption"])."\"
3628 $issel>" . htmlspecialchars($line["caption"]) . "</option>";
3629
3630 }
3631
3632 # print "<option value=\"ADD_LABEL\">" .__("Add label...") . "</option>";
3633
3634 print "</select>";
3635
3636
3637 }
3638
3639 function format_article_enclosures($link, $id, $always_display_enclosures,
3640 $article_content, $hide_images = false) {
3641
3642 $result = get_article_enclosures($link, $id);
3643 $rv = '';
3644
3645 if (count($result) > 0) {
3646
3647 $entries_html = array();
3648 $entries = array();
3649 $entries_inline = array();
3650
3651 foreach ($result as $line) {
3652
3653 $url = $line["content_url"];
3654 $ctype = $line["content_type"];
3655
3656 if (!$ctype) $ctype = __("unknown type");
3657
3658 $filename = substr($url, strrpos($url, "/")+1);
3659
3660 $player = format_inline_player($link, $url, $ctype);
3661
3662 if ($player) array_push($entries_inline, $player);
3663
3664 # $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
3665 # $filename . " (" . $ctype . ")" . "</a>";
3666
3667 $entry = "<div onclick=\"window.open('".htmlspecialchars($url)."')\"
3668 dojoType=\"dijit.MenuItem\">$filename ($ctype)</div>";
3669
3670 array_push($entries_html, $entry);
3671
3672 $entry = array();
3673
3674 $entry["type"] = $ctype;
3675 $entry["filename"] = $filename;
3676 $entry["url"] = $url;
3677
3678 array_push($entries, $entry);
3679 }
3680
3681 if ($_SESSION['uid'] && !get_pref($link, "STRIP_IMAGES") && !$_SESSION["bw_limit"]) {
3682 if ($always_display_enclosures ||
3683 !preg_match("/<img/i", $article_content)) {
3684
3685 foreach ($entries as $entry) {
3686
3687 if (preg_match("/image/", $entry["type"]) ||
3688 preg_match("/\.(jpg|png|gif|bmp)/i", $entry["filename"])) {
3689
3690 if (!$hide_images) {
3691 $rv .= "<p><img
3692 alt=\"".htmlspecialchars($entry["filename"])."\"
3693 src=\"" .htmlspecialchars($entry["url"]) . "\"/></p>";
3694 } else {
3695 $rv .= "<p><a target=\"_blank\"
3696 href=\"".htmlspecialchars($entry["url"])."\"
3697 >" .htmlspecialchars($entry["url"]) . "</a></p>";
3698
3699 }
3700 }
3701 }
3702 }
3703 }
3704
3705 if (count($entries_inline) > 0) {
3706 $rv .= "<hr clear='both'/>";
3707 foreach ($entries_inline as $entry) { $rv .= $entry; };
3708 $rv .= "<hr clear='both'/>";
3709 }
3710
3711 $rv .= "<select class=\"attachments\" onchange=\"openSelectedAttachment(this)\">".
3712 "<option value=''>" . __('Attachments')."</option>";
3713
3714 foreach ($entries as $entry) {
3715 $rv .= "<option value=\"".htmlspecialchars($entry["url"])."\">" . htmlspecialchars($entry["filename"]) . "</option>";
3716
3717 };
3718
3719 $rv .= "</select>";
3720 }
3721
3722 return $rv;
3723 }
3724
3725 function getLastArticleId($link) {
3726 $result = db_query($link, "SELECT MAX(ref_id) AS id FROM ttrss_user_entries
3727 WHERE owner_uid = " . $_SESSION["uid"]);
3728
3729 if (db_num_rows($result) == 1) {
3730 return db_fetch_result($result, 0, "id");
3731 } else {
3732 return -1;
3733 }
3734 }
3735
3736 function build_url($parts) {
3737 return $parts['scheme'] . "://" . $parts['host'] . $parts['path'];
3738 }
3739
3740 /**
3741 * Converts a (possibly) relative URL to a absolute one.
3742 *
3743 * @param string $url Base URL (i.e. from where the document is)
3744 * @param string $rel_url Possibly relative URL in the document
3745 *
3746 * @return string Absolute URL
3747 */
3748 function rewrite_relative_url($url, $rel_url) {
3749 if (strpos($rel_url, "magnet:") === 0) {
3750 return $rel_url;
3751 } else if (strpos($rel_url, "://") !== false) {
3752 return $rel_url;
3753 } else if (strpos($rel_url, "//") === 0) {
3754 # protocol-relative URL (rare but they exist)
3755 return $rel_url;
3756 } else if (strpos($rel_url, "/") === 0)
3757 {
3758 $parts = parse_url($url);
3759 $parts['path'] = $rel_url;
3760
3761 return build_url($parts);
3762
3763 } else {
3764 $parts = parse_url($url);
3765 if (!isset($parts['path'])) {
3766 $parts['path'] = '/';
3767 }
3768 $dir = $parts['path'];
3769 if (substr($dir, -1) !== '/') {
3770 $dir = dirname($parts['path']);
3771 $dir !== '/' && $dir .= '/';
3772 }
3773 $parts['path'] = $dir . $rel_url;
3774
3775 return build_url($parts);
3776 }
3777 }
3778
3779 function sphinx_search($query, $offset = 0, $limit = 30) {
3780 require_once 'lib/sphinxapi.php';
3781
3782 $sphinxClient = new SphinxClient();
3783
3784 $sphinxClient->SetServer('localhost', 9312);
3785 $sphinxClient->SetConnectTimeout(1);
3786
3787 $sphinxClient->SetFieldWeights(array('title' => 70, 'content' => 30,
3788 'feed_title' => 20));
3789
3790 $sphinxClient->SetMatchMode(SPH_MATCH_EXTENDED2);
3791 $sphinxClient->SetRankingMode(SPH_RANK_PROXIMITY_BM25);
3792 $sphinxClient->SetLimits($offset, $limit, 1000);
3793 $sphinxClient->SetArrayResult(false);
3794 $sphinxClient->SetFilter('owner_uid', array($_SESSION['uid']));
3795
3796 $result = $sphinxClient->Query($query, SPHINX_INDEX);
3797
3798 $ids = array();
3799
3800 if (is_array($result['matches'])) {
3801 foreach (array_keys($result['matches']) as $int_id) {
3802 $ref_id = $result['matches'][$int_id]['attrs']['ref_id'];
3803 array_push($ids, $ref_id);
3804 }
3805 }
3806
3807 return $ids;
3808 }
3809
3810 function cleanup_tags($link, $days = 14, $limit = 1000) {
3811
3812 if (DB_TYPE == "pgsql") {
3813 $interval_query = "date_updated < NOW() - INTERVAL '$days days'";
3814 } else if (DB_TYPE == "mysql") {
3815 $interval_query = "date_updated < DATE_SUB(NOW(), INTERVAL $days DAY)";
3816 }
3817
3818 $tags_deleted = 0;
3819
3820 while ($limit > 0) {
3821 $limit_part = 500;
3822
3823 $query = "SELECT ttrss_tags.id AS id
3824 FROM ttrss_tags, ttrss_user_entries, ttrss_entries
3825 WHERE post_int_id = int_id AND $interval_query AND
3826 ref_id = ttrss_entries.id AND tag_cache != '' LIMIT $limit_part";
3827
3828 $result = db_query($link, $query);
3829
3830 $ids = array();
3831
3832 while ($line = db_fetch_assoc($result)) {
3833 array_push($ids, $line['id']);
3834 }
3835
3836 if (count($ids) > 0) {
3837 $ids = join(",", $ids);
3838
3839 $tmp_result = db_query($link, "DELETE FROM ttrss_tags WHERE id IN ($ids)");
3840 $tags_deleted += db_affected_rows($link, $tmp_result);
3841 } else {
3842 break;
3843 }
3844
3845 $limit -= $limit_part;
3846 }
3847
3848 return $tags_deleted;
3849 }
3850
3851 function print_user_stylesheet($link) {
3852 $value = get_pref($link, 'USER_STYLESHEET');
3853
3854 if ($value) {
3855 print "<style type=\"text/css\">";
3856 print str_replace("<br/>", "\n", $value);
3857 print "</style>";
3858 }
3859
3860 }
3861
3862 function rewrite_urls($html) {
3863 libxml_use_internal_errors(true);
3864
3865 $charset_hack = '<head>
3866 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
3867 </head>';
3868
3869 $doc = new DOMDocument();
3870 $doc->loadHTML($charset_hack . $html);
3871 $xpath = new DOMXPath($doc);
3872
3873 $entries = $xpath->query('//*/text()');
3874
3875 foreach ($entries as $entry) {
3876 if (strstr($entry->wholeText, "://") !== false) {
3877 $text = preg_replace("/((?<!=.)((http|https|ftp)+):\/\/[^ ,!]+)/i",
3878 "<a target=\"_blank\" href=\"\\1\">\\1</a>", $entry->wholeText);
3879
3880 if ($text != $entry->wholeText) {
3881 $cdoc = new DOMDocument();
3882 $cdoc->loadHTML($charset_hack . $text);
3883
3884
3885 foreach ($cdoc->childNodes as $cnode) {
3886 $cnode = $doc->importNode($cnode, true);
3887
3888 if ($cnode) {
3889 $entry->parentNode->insertBefore($cnode);
3890 }
3891 }
3892
3893 $entry->parentNode->removeChild($entry);
3894
3895 }
3896 }
3897 }
3898
3899 $node = $doc->getElementsByTagName('body')->item(0);
3900
3901 // http://tt-rss.org/forum/viewtopic.php?f=1&t=970
3902 if ($node)
3903 return $doc->saveXML($node);
3904 else
3905 return $html;
3906 }
3907
3908 function filter_to_sql($link, $filter, $owner_uid) {
3909 $query = array();
3910
3911 if (DB_TYPE == "pgsql")
3912 $reg_qpart = "~";
3913 else
3914 $reg_qpart = "REGEXP";
3915
3916 foreach ($filter["rules"] AS $rule) {
3917 $regexp_valid = preg_match('/' . $rule['reg_exp'] . '/',
3918 $rule['reg_exp']) !== FALSE;
3919
3920 if ($regexp_valid) {
3921
3922 $rule['reg_exp'] = db_escape_string($link, $rule['reg_exp']);
3923
3924 switch ($rule["type"]) {
3925 case "title":
3926 $qpart = "LOWER(ttrss_entries.title) $reg_qpart LOWER('".
3927 $rule['reg_exp'] . "')";
3928 break;
3929 case "content":
3930 $qpart = "LOWER(ttrss_entries.content) $reg_qpart LOWER('".
3931 $rule['reg_exp'] . "')";
3932 break;
3933 case "both":
3934 $qpart = "LOWER(ttrss_entries.title) $reg_qpart LOWER('".
3935 $rule['reg_exp'] . "') OR LOWER(" .
3936 "ttrss_entries.content) $reg_qpart LOWER('" . $rule['reg_exp'] . "')";
3937 break;
3938 case "tag":
3939 $qpart = "LOWER(ttrss_user_entries.tag_cache) $reg_qpart LOWER('".
3940 $rule['reg_exp'] . "')";
3941 break;
3942 case "link":
3943 $qpart = "LOWER(ttrss_entries.link) $reg_qpart LOWER('".
3944 $rule['reg_exp'] . "')";
3945 break;
3946 case "author":
3947 $qpart = "LOWER(ttrss_entries.author) $reg_qpart LOWER('".
3948 $rule['reg_exp'] . "')";
3949 break;
3950 }
3951
3952 if (isset($rule['inverse'])) $qpart = "NOT ($qpart)";
3953
3954 if (isset($rule["feed_id"]) && $rule["feed_id"] > 0) {
3955 $qpart .= " AND feed_id = " . db_escape_string($link, $rule["feed_id"]);
3956 }
3957
3958 if (isset($rule["cat_id"])) {
3959
3960 if ($rule["cat_id"] > 0) {
3961 $children = getChildCategories($link, $rule["cat_id"], $owner_uid);
3962 array_push($children, $rule["cat_id"]);
3963
3964 $children = join(",", $children);
3965
3966 $cat_qpart = "cat_id IN ($children)";
3967 } else {
3968 $cat_qpart = "cat_id IS NULL";
3969 }
3970
3971 $qpart .= " AND $cat_qpart";
3972 }
3973
3974 array_push($query, "($qpart)");
3975
3976 }
3977 }
3978
3979 if (count($query) > 0) {
3980 $fullquery = "(" . join($filter["match_any_rule"] ? "OR" : "AND", $query) . ")";
3981 } else {
3982 $fullquery = "(false)";
3983 }
3984
3985 if ($filter['inverse']) $fullquery = "(NOT $fullquery)";
3986
3987 return $fullquery;
3988 }
3989
3990 if (!function_exists('gzdecode')) {
3991 function gzdecode($string) { // no support for 2nd argument
3992 return file_get_contents('compress.zlib://data:who/cares;base64,'.
3993 base64_encode($string));
3994 }
3995 }
3996
3997 function get_random_bytes($length) {
3998 if (function_exists('openssl_random_pseudo_bytes')) {
3999 return openssl_random_pseudo_bytes($length);
4000 } else {
4001 $output = "";
4002
4003 for ($i = 0; $i < $length; $i++)
4004 $output .= chr(mt_rand(0, 255));
4005
4006 return $output;
4007 }
4008 }
4009
4010 function read_stdin() {
4011 $fp = fopen("php://stdin", "r");
4012
4013 if ($fp) {
4014 $line = trim(fgets($fp));
4015 fclose($fp);
4016 return $line;
4017 }
4018
4019 return null;
4020 }
4021
4022 function tmpdirname($path, $prefix) {
4023 // Use PHP's tmpfile function to create a temporary
4024 // directory name. Delete the file and keep the name.
4025 $tempname = tempnam($path,$prefix);
4026 if (!$tempname)
4027 return false;
4028
4029 if (!unlink($tempname))
4030 return false;
4031
4032 return $tempname;
4033 }
4034
4035 function getFeedCategory($link, $feed) {
4036 $result = db_query($link, "SELECT cat_id FROM ttrss_feeds
4037 WHERE id = '$feed'");
4038
4039 if (db_num_rows($result) > 0) {
4040 return db_fetch_result($result, 0, "cat_id");
4041 } else {
4042 return false;
4043 }
4044
4045 }
4046
4047 function implements_interface($class, $interface) {
4048 return in_array($interface, class_implements($class));
4049 }
4050
4051 function geturl($url){
4052
4053 (function_exists('curl_init')) ? '' : die('cURL Must be installed for geturl function to work. Ask your host to enable it or uncomment extension=php_curl.dll in php.ini');
4054
4055 $curl = curl_init();
4056 $header[0] = "Accept: text/xml,application/xml,application/xhtml+xml,";
4057 $header[0] .= "text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5";
4058 $header[] = "Cache-Control: max-age=0";
4059 $header[] = "Connection: keep-alive";
4060 $header[] = "Keep-Alive: 300";
4061 $header[] = "Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7";
4062 $header[] = "Accept-Language: en-us,en;q=0.5";
4063 $header[] = "Pragma: ";
4064
4065 curl_setopt($curl, CURLOPT_URL, $url);
4066 curl_setopt($curl, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows NT 5.1; rv:5.0) Gecko/20100101 Firefox/5.0 Firefox/5.0');
4067 curl_setopt($curl, CURLOPT_HTTPHEADER, $header);
4068 curl_setopt($curl, CURLOPT_HEADER, true);
4069 curl_setopt($curl, CURLOPT_REFERER, $url);
4070 curl_setopt($curl, CURLOPT_ENCODING, 'gzip,deflate');
4071 curl_setopt($curl, CURLOPT_AUTOREFERER, true);
4072 curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
4073 //curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true); //CURLOPT_FOLLOWLOCATION Disabled...
4074 curl_setopt($curl, CURLOPT_TIMEOUT, 60);
4075
4076 $html = curl_exec($curl);
4077
4078 $status = curl_getinfo($curl);
4079 curl_close($curl);
4080
4081 if($status['http_code']!=200){
4082 if($status['http_code'] == 301 || $status['http_code'] == 302) {
4083 list($header) = explode("\r\n\r\n", $html, 2);
4084 $matches = array();
4085 preg_match("/(Location:|URI:)[^(\n)]*/", $header, $matches);
4086 $url = trim(str_replace($matches[1],"",$matches[0]));
4087 $url_parsed = parse_url($url);
4088 return (isset($url_parsed))? geturl($url, $referer):'';
4089 }
4090 $oline='';
4091 foreach($status as $key=>$eline){$oline.='['.$key.']'.$eline.' ';}
4092 $line =$oline." \r\n ".$url."\r\n-----------------\r\n";
4093 # $handle = @fopen('./curl.error.log', 'a');
4094 # fwrite($handle, $line);
4095 return FALSE;
4096 }
4097 return $url;
4098 }
4099
4100 function get_minified_js($files) {
4101 require_once 'lib/jshrink/Minifier.php';
4102
4103 $rv = '';
4104
4105 foreach ($files as $js) {
4106 if (!isset($_GET['debug'])) {
4107 $cached_file = CACHE_DIR . "/js/$js.js";
4108
4109 if (file_exists($cached_file) &&
4110 is_readable($cached_file) &&
4111 filemtime($cached_file) >= filemtime("js/$js.js")) {
4112
4113 $rv .= file_get_contents($cached_file);
4114
4115 } else {
4116 $minified = JShrink\Minifier::minify(file_get_contents("js/$js.js"));
4117 file_put_contents($cached_file, $minified);
4118 $rv .= $minified;
4119 }
4120 } else {
4121 $rv .= file_get_contents("js/$js.js");
4122 }
4123 }
4124
4125 return $rv;
4126 }
4127
4128 function stylesheet_tag($filename) {
4129 $timestamp = filemtime($filename);
4130
4131 echo "<link rel=\"stylesheet\" type=\"text/css\" href=\"$filename?$timestamp\"/>\n";
4132 }
4133
4134 function javascript_tag($filename) {
4135 $query = "";
4136
4137 if (!(strpos($filename, "?") === FALSE)) {
4138 $query = substr($filename, strpos($filename, "?")+1);
4139 $filename = substr($filename, 0, strpos($filename, "?"));
4140 }
4141
4142 $timestamp = filemtime($filename);
4143
4144 if ($query) $timestamp .= "&$query";
4145
4146 echo "<script type=\"text/javascript\" charset=\"utf-8\" src=\"$filename?$timestamp\"></script>\n";
4147 }
4148
4149 function calculate_dep_timestamp() {
4150 $files = array_merge(glob("js/*.js"), glob("*.css"));
4151
4152 $max_ts = -1;
4153
4154 foreach ($files as $file) {
4155 if (filemtime($file) > $max_ts) $max_ts = filemtime($file);
4156 }
4157
4158 return $max_ts;
4159 }
4160
4161 function T_js_decl($s1, $s2) {
4162 if ($s1 && $s2) {
4163 $s1 = preg_replace("/\n/", "", $s1);
4164 $s2 = preg_replace("/\n/", "", $s2);
4165
4166 $s1 = preg_replace("/\"/", "\\\"", $s1);
4167 $s2 = preg_replace("/\"/", "\\\"", $s2);
4168
4169 return "T_messages[\"$s1\"] = \"$s2\";\n";
4170 }
4171 }
4172
4173 function init_js_translations() {
4174
4175 print 'var T_messages = new Object();
4176
4177 function __(msg) {
4178 if (T_messages[msg]) {
4179 return T_messages[msg];
4180 } else {
4181 return msg;
4182 }
4183 }
4184
4185 function ngettext(msg1, msg2, n) {
4186 return (parseInt(n) > 1) ? msg2 : msg1;
4187 }';
4188
4189 $l10n = _get_reader();
4190
4191 for ($i = 0; $i < $l10n->total; $i++) {
4192 $orig = $l10n->get_original_string($i);
4193 $translation = __($orig);
4194
4195 print T_js_decl($orig, $translation);
4196 }
4197 }
4198
4199 function label_to_feed_id($label) {
4200 return LABEL_BASE_INDEX - 1 - abs($label);
4201 }
4202
4203 function feed_to_label_id($feed) {
4204 return LABEL_BASE_INDEX - 1 + abs($feed);
4205 }
4206
4207 ?>
web-based news feed (RSS/Atom) reader and aggregator; see https://tt-rss.org/