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Added other allowed elements to sanitize()
[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 $allowed_elements = array('a', 'address', 'audio', 'article', 'aside',
2704 'b', 'bdi', 'bdo', 'big', 'blockquote', 'body', 'br',
2705 'caption', 'cite', 'center', 'code', 'col', 'colgroup',
2706 'data', 'dd', 'del', 'details', 'div', 'dl', 'font',
2707 'dt', 'em', 'footer', 'figure', 'figcaption',
2708 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'header', 'html', 'i',
2709 'img', 'ins', 'kbd', 'li', 'main', 'mark', 'nav', 'noscript',
2710 'ol', 'p', 'pre', 'q', 'ruby', 'rp', 'rt', 's', 'samp', 'small',
2711 'source', 'span', 'strike', 'strong', 'sub', 'summary',
2712 'sup', 'table', 'tbody', 'td', 'tfoot', 'th', 'thead', 'time',
2713 'tr', 'track', 'tt', 'u', 'ul', 'var', 'wbr', 'video' );
2714
2715 if ($_SESSION['hasSandbox']) $allowed_elements[] = 'iframe';
2716
2717 $disallowed_attributes = array('id', 'style', 'class');
2718
2719 global $pluginhost;
2720
2721 if (isset($pluginhost)) {
2722 foreach ($pluginhost->get_hooks($pluginhost::HOOK_SANITIZE) as $plugin) {
2723 $retval = $plugin->hook_sanitize($doc, $site_url, $allowed_elements, $disallowed_attributes);
2724 if (is_array($retval)) {
2725 $doc = $retval[0];
2726 $allowed_elements = $retval[1];
2727 $disallowed_attributes = $retval[2];
2728 } else {
2729 $doc = $retval;
2730 }
2731 }
2732 }
2733
2734 $doc->removeChild($doc->firstChild); //remove doctype
2735 $doc = strip_harmful_tags($doc, $allowed_elements, $disallowed_attributes);
2736 $res = $doc->saveHTML();
2737 return $res;
2738 }
2739
2740 function strip_harmful_tags($doc, $allowed_elements, $disallowed_attributes) {
2741 $entries = $doc->getElementsByTagName("*");
2742
2743 foreach ($entries as $entry) {
2744 if (!in_array($entry->nodeName, $allowed_elements)) {
2745 $entry->parentNode->removeChild($entry);
2746 }
2747
2748 if ($entry->hasAttributes()) {
2749 $attrs_to_remove = array();
2750
2751 foreach ($entry->attributes as $attr) {
2752
2753 if (strpos($attr->nodeName, 'on') === 0) {
2754 array_push($attrs_to_remove, $attr);
2755 }
2756
2757 if (in_array($attr->nodeName, $disallowed_attributes)) {
2758 array_push($attrs_to_remove, $attr);
2759 }
2760 }
2761
2762 foreach ($attrs_to_remove as $attr) {
2763 $entry->removeAttributeNode($attr);
2764 }
2765 }
2766 }
2767
2768 return $doc;
2769 }
2770
2771 function check_for_update($link) {
2772 if (CHECK_FOR_NEW_VERSION && $_SESSION['access_level'] >= 10) {
2773 $version_url = "http://tt-rss.org/version.php?ver=" . VERSION .
2774 "&iid=" . sha1(SELF_URL_PATH);
2775
2776 $version_data = @fetch_file_contents($version_url);
2777
2778 if ($version_data) {
2779 $version_data = json_decode($version_data, true);
2780 if ($version_data && $version_data['version']) {
2781
2782 if (version_compare(VERSION, $version_data['version']) == -1) {
2783 return $version_data;
2784 }
2785 }
2786 }
2787 }
2788 return false;
2789 }
2790
2791 function catchupArticlesById($link, $ids, $cmode, $owner_uid = false) {
2792
2793 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2794 if (count($ids) == 0) return;
2795
2796 $tmp_ids = array();
2797
2798 foreach ($ids as $id) {
2799 array_push($tmp_ids, "ref_id = '$id'");
2800 }
2801
2802 $ids_qpart = join(" OR ", $tmp_ids);
2803
2804 if ($cmode == 0) {
2805 db_query($link, "UPDATE ttrss_user_entries SET
2806 unread = false,last_read = NOW()
2807 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
2808 } else if ($cmode == 1) {
2809 db_query($link, "UPDATE ttrss_user_entries SET
2810 unread = true
2811 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
2812 } else {
2813 db_query($link, "UPDATE ttrss_user_entries SET
2814 unread = NOT unread,last_read = NOW()
2815 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
2816 }
2817
2818 /* update ccache */
2819
2820 $result = db_query($link, "SELECT DISTINCT feed_id FROM ttrss_user_entries
2821 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
2822
2823 while ($line = db_fetch_assoc($result)) {
2824 ccache_update($link, $line["feed_id"], $owner_uid);
2825 }
2826 }
2827
2828 function get_article_tags($link, $id, $owner_uid = 0, $tag_cache = false) {
2829
2830 $a_id = db_escape_string($link, $id);
2831
2832 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2833
2834 $query = "SELECT DISTINCT tag_name,
2835 owner_uid as owner FROM
2836 ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
2837 ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name";
2838
2839 $obj_id = md5("TAGS:$owner_uid:$id");
2840 $tags = array();
2841
2842 /* check cache first */
2843
2844 if ($tag_cache === false) {
2845 $result = db_query($link, "SELECT tag_cache FROM ttrss_user_entries
2846 WHERE ref_id = '$id' AND owner_uid = $owner_uid");
2847
2848 $tag_cache = db_fetch_result($result, 0, "tag_cache");
2849 }
2850
2851 if ($tag_cache) {
2852 $tags = explode(",", $tag_cache);
2853 } else {
2854
2855 /* do it the hard way */
2856
2857 $tmp_result = db_query($link, $query);
2858
2859 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2860 array_push($tags, $tmp_line["tag_name"]);
2861 }
2862
2863 /* update the cache */
2864
2865 $tags_str = db_escape_string($link, join(",", $tags));
2866
2867 db_query($link, "UPDATE ttrss_user_entries
2868 SET tag_cache = '$tags_str' WHERE ref_id = '$id'
2869 AND owner_uid = $owner_uid");
2870 }
2871
2872 return $tags;
2873 }
2874
2875 function trim_array($array) {
2876 $tmp = $array;
2877 array_walk($tmp, 'trim');
2878 return $tmp;
2879 }
2880
2881 function tag_is_valid($tag) {
2882 if ($tag == '') return false;
2883 if (preg_match("/^[0-9]*$/", $tag)) return false;
2884 if (mb_strlen($tag) > 250) return false;
2885
2886 if (function_exists('iconv')) {
2887 $tag = iconv("utf-8", "utf-8", $tag);
2888 }
2889
2890 if (!$tag) return false;
2891
2892 return true;
2893 }
2894
2895 function render_login_form($link) {
2896 require_once "login_form.php";
2897 exit;
2898 }
2899
2900 // from http://developer.apple.com/internet/safari/faq.html
2901 function no_cache_incantation() {
2902 header("Expires: Mon, 22 Dec 1980 00:00:00 GMT"); // Happy birthday to me :)
2903 header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // always modified
2904 header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0"); // HTTP/1.1
2905 header("Cache-Control: post-check=0, pre-check=0", false);
2906 header("Pragma: no-cache"); // HTTP/1.0
2907 }
2908
2909 function format_warning($msg, $id = "") {
2910 global $link;
2911 return "<div class=\"warning\" id=\"$id\">
2912 <img src=\"images/sign_excl.svg\"><div class='inner'>$msg</div></div>";
2913 }
2914
2915 function format_notice($msg, $id = "") {
2916 global $link;
2917 return "<div class=\"notice\" id=\"$id\">
2918 <img src=\"images/sign_info.svg\"><div class='inner'>$msg</div></div>";
2919 }
2920
2921 function format_error($msg, $id = "") {
2922 global $link;
2923 return "<div class=\"error\" id=\"$id\">
2924 <img src=\"images/sign_excl.svg\"><div class='inner'>$msg</div></div>";
2925 }
2926
2927 function print_notice($msg) {
2928 return print format_notice($msg);
2929 }
2930
2931 function print_warning($msg) {
2932 return print format_warning($msg);
2933 }
2934
2935 function print_error($msg) {
2936 return print format_error($msg);
2937 }
2938
2939
2940 function T_sprintf() {
2941 $args = func_get_args();
2942 return vsprintf(__(array_shift($args)), $args);
2943 }
2944
2945 function format_inline_player($link, $url, $ctype) {
2946
2947 $entry = "";
2948
2949 $url = htmlspecialchars($url);
2950
2951 if (strpos($ctype, "audio/") === 0) {
2952
2953 if ($_SESSION["hasAudio"] && (strpos($ctype, "ogg") !== false ||
2954 strpos($_SERVER['HTTP_USER_AGENT'], "Chrome") !== false ||
2955 strpos($_SERVER['HTTP_USER_AGENT'], "Safari") !== false )) {
2956
2957 $id = 'AUDIO-' . uniqid();
2958
2959 $entry .= "<audio id=\"$id\"\" controls style='display : none'>
2960 <source type=\"$ctype\" src=\"$url\"></source>
2961 </audio>";
2962
2963 $entry .= "<span onclick=\"player(this)\"
2964 title=\"".__("Click to play")."\" status=\"0\"
2965 class=\"player\" audio-id=\"$id\">".__("Play")."</span>";
2966
2967 } else {
2968
2969 $entry .= "<object type=\"application/x-shockwave-flash\"
2970 data=\"lib/button/musicplayer.swf?song_url=$url\"
2971 width=\"17\" height=\"17\" style='float : left; margin-right : 5px;'>
2972 <param name=\"movie\"
2973 value=\"lib/button/musicplayer.swf?song_url=$url\" />
2974 </object>";
2975 }
2976
2977 if ($entry) $entry .= "&nbsp; <a target=\"_blank\"
2978 href=\"$url\">" . basename($url) . "</a>";
2979
2980 return $entry;
2981
2982 }
2983
2984 return "";
2985
2986 /* $filename = substr($url, strrpos($url, "/")+1);
2987
2988 $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
2989 $filename . " (" . $ctype . ")" . "</a>"; */
2990
2991 }
2992
2993 function format_article($link, $id, $mark_as_read = true, $zoom_mode = false, $owner_uid = false) {
2994 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2995
2996 $rv = array();
2997
2998 $rv['id'] = $id;
2999
3000 /* we can figure out feed_id from article id anyway, why do we
3001 * pass feed_id here? let's ignore the argument :( */
3002
3003 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
3004 WHERE ref_id = '$id'");
3005
3006 $feed_id = (int) db_fetch_result($result, 0, "feed_id");
3007
3008 $rv['feed_id'] = $feed_id;
3009
3010 //if (!$zoom_mode) { print "<article id='$id'><![CDATA["; };
3011
3012 if ($mark_as_read) {
3013 $result = db_query($link, "UPDATE ttrss_user_entries
3014 SET unread = false,last_read = NOW()
3015 WHERE ref_id = '$id' AND owner_uid = $owner_uid");
3016
3017 ccache_update($link, $feed_id, $owner_uid);
3018 }
3019
3020 $result = db_query($link, "SELECT id,title,link,content,feed_id,comments,int_id,
3021 ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
3022 (SELECT site_url FROM ttrss_feeds WHERE id = feed_id) as site_url,
3023 (SELECT hide_images FROM ttrss_feeds WHERE id = feed_id) as hide_images,
3024 num_comments,
3025 tag_cache,
3026 author,
3027 orig_feed_id,
3028 note,
3029 cached_content
3030 FROM ttrss_entries,ttrss_user_entries
3031 WHERE id = '$id' AND ref_id = id AND owner_uid = $owner_uid");
3032
3033 if ($result) {
3034
3035 $line = db_fetch_assoc($result);
3036
3037 $tag_cache = $line["tag_cache"];
3038
3039 $line["tags"] = get_article_tags($link, $id, $owner_uid, $line["tag_cache"]);
3040 unset($line["tag_cache"]);
3041
3042 $line["content"] = sanitize($link, $line["content"], false, $owner_uid, $line["site_url"]);
3043
3044 global $pluginhost;
3045
3046 foreach ($pluginhost->get_hooks($pluginhost::HOOK_RENDER_ARTICLE) as $p) {
3047 $line = $p->hook_render_article($line);
3048 }
3049
3050 $num_comments = $line["num_comments"];
3051 $entry_comments = "";
3052
3053 if ($num_comments > 0) {
3054 if ($line["comments"]) {
3055 $comments_url = htmlspecialchars($line["comments"]);
3056 } else {
3057 $comments_url = htmlspecialchars($line["link"]);
3058 }
3059 $entry_comments = "<a target='_blank' href=\"$comments_url\">$num_comments comments</a>";
3060 } else {
3061 if ($line["comments"] && $line["link"] != $line["comments"]) {
3062 $entry_comments = "<a target='_blank' href=\"".htmlspecialchars($line["comments"])."\">comments</a>";
3063 }
3064 }
3065
3066 if ($zoom_mode) {
3067 header("Content-Type: text/html");
3068 $rv['content'] .= "<html><head>
3069 <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
3070 <title>Tiny Tiny RSS - ".$line["title"]."</title>
3071 <link rel=\"stylesheet\" type=\"text/css\" href=\"tt-rss.css\">
3072 </head><body id=\"ttrssZoom\">";
3073 }
3074
3075 $rv['content'] .= "<div class=\"postReply\" id=\"POST-$id\">";
3076
3077 $rv['content'] .= "<div class=\"postHeader\" id=\"POSTHDR-$id\">";
3078
3079 $entry_author = $line["author"];
3080
3081 if ($entry_author) {
3082 $entry_author = __(" - ") . $entry_author;
3083 }
3084
3085 $parsed_updated = make_local_datetime($link, $line["updated"], true,
3086 $owner_uid, true);
3087
3088 $rv['content'] .= "<div class=\"postDate\">$parsed_updated</div>";
3089
3090 if ($line["link"]) {
3091 $rv['content'] .= "<div class='postTitle'><a target='_blank'
3092 title=\"".htmlspecialchars($line['title'])."\"
3093 href=\"" .
3094 htmlspecialchars($line["link"]) . "\">" .
3095 $line["title"] . "</a>" .
3096 "<span class='author'>$entry_author</span></div>";
3097 } else {
3098 $rv['content'] .= "<div class='postTitle'>" . $line["title"] . "$entry_author</div>";
3099 }
3100
3101 $tags_str = format_tags_string($line["tags"], $id);
3102 $tags_str_full = join(", ", $line["tags"]);
3103
3104 if (!$tags_str_full) $tags_str_full = __("no tags");
3105
3106 if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
3107
3108 $rv['content'] .= "<div class='postTags' style='float : right'>
3109 <img src='images/tag.png'
3110 class='tagsPic' alt='Tags' title='Tags'>&nbsp;";
3111
3112 if (!$zoom_mode) {
3113 $rv['content'] .= "<span id=\"ATSTR-$id\">$tags_str</span>
3114 <a title=\"".__('Edit tags for this article')."\"
3115 href=\"#\" onclick=\"editArticleTags($id, $feed_id)\">(+)</a>";
3116
3117 $rv['content'] .= "<div dojoType=\"dijit.Tooltip\"
3118 id=\"ATSTRTIP-$id\" connectId=\"ATSTR-$id\"
3119 position=\"below\">$tags_str_full</div>";
3120
3121 global $pluginhost;
3122
3123 foreach ($pluginhost->get_hooks($pluginhost::HOOK_ARTICLE_BUTTON) as $p) {
3124 $rv['content'] .= $p->hook_article_button($line);
3125 }
3126
3127
3128 } else {
3129 $tags_str = strip_tags($tags_str);
3130 $rv['content'] .= "<span id=\"ATSTR-$id\">$tags_str</span>";
3131 }
3132 $rv['content'] .= "</div>";
3133 $rv['content'] .= "<div clear='both'>$entry_comments</div>";
3134
3135 if ($line["orig_feed_id"]) {
3136
3137 $tmp_result = db_query($link, "SELECT * FROM ttrss_archived_feeds
3138 WHERE id = ".$line["orig_feed_id"]);
3139
3140 if (db_num_rows($tmp_result) != 0) {
3141
3142 $rv['content'] .= "<div clear='both'>";
3143 $rv['content'] .= __("Originally from:");
3144
3145 $rv['content'] .= "&nbsp;";
3146
3147 $tmp_line = db_fetch_assoc($tmp_result);
3148
3149 $rv['content'] .= "<a target='_blank'
3150 href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
3151 $tmp_line['title'] . "</a>";
3152
3153 $rv['content'] .= "&nbsp;";
3154
3155 $rv['content'] .= "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
3156 $rv['content'] .= "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.svg'></a>";
3157
3158 $rv['content'] .= "</div>";
3159 }
3160 }
3161
3162 $rv['content'] .= "</div>";
3163
3164 $rv['content'] .= "<div id=\"POSTNOTE-$id\">";
3165 if ($line['note']) {
3166 $rv['content'] .= format_article_note($id, $line['note'], !$zoom_mode);
3167 }
3168 $rv['content'] .= "</div>";
3169
3170 $rv['content'] .= "<div class=\"postContent\">";
3171
3172 $rv['content'] .= $line["content"];
3173
3174 $rv['content'] .= format_article_enclosures($link, $id,
3175 $always_display_enclosures, $line["content"], $line["hide_images"]);
3176
3177 $rv['content'] .= "</div>";
3178
3179 $rv['content'] .= "</div>";
3180
3181 }
3182
3183 if ($zoom_mode) {
3184 $rv['content'] .= "
3185 <div class='footer'>
3186 <button onclick=\"return window.close()\">".
3187 __("Close this window")."</button></div>";
3188 $rv['content'] .= "</body></html>";
3189 }
3190
3191 return $rv;
3192
3193 }
3194
3195 function print_checkpoint($n, $s) {
3196 $ts = microtime(true);
3197 echo sprintf("<!-- CP[$n] %.4f seconds -->", $ts - $s);
3198 return $ts;
3199 }
3200
3201 function sanitize_tag($tag) {
3202 $tag = trim($tag);
3203
3204 $tag = mb_strtolower($tag, 'utf-8');
3205
3206 $tag = preg_replace('/[\'\"\+\>\<]/', "", $tag);
3207
3208 // $tag = str_replace('"', "", $tag);
3209 // $tag = str_replace("+", " ", $tag);
3210 $tag = str_replace("technorati tag: ", "", $tag);
3211
3212 return $tag;
3213 }
3214
3215 function get_self_url_prefix() {
3216 if (strrpos(SELF_URL_PATH, "/") === strlen(SELF_URL_PATH)-1) {
3217 return substr(SELF_URL_PATH, 0, strlen(SELF_URL_PATH)-1);
3218 } else {
3219 return SELF_URL_PATH;
3220 }
3221 }
3222
3223 /**
3224 * Compute the Mozilla Firefox feed adding URL from server HOST and REQUEST_URI.
3225 *
3226 * @return string The Mozilla Firefox feed adding URL.
3227 */
3228 function add_feed_url() {
3229 //$url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' : 'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
3230
3231 $url_path = get_self_url_prefix() .
3232 "/public.php?op=subscribe&feed_url=%s";
3233 return $url_path;
3234 } // function add_feed_url
3235
3236 function encrypt_password($pass, $salt = '', $mode2 = false) {
3237 if ($salt && $mode2) {
3238 return "MODE2:" . hash('sha256', $salt . $pass);
3239 } else if ($salt) {
3240 return "SHA1X:" . sha1("$salt:$pass");
3241 } else {
3242 return "SHA1:" . sha1($pass);
3243 }
3244 } // function encrypt_password
3245
3246 function load_filters($link, $feed_id, $owner_uid, $action_id = false) {
3247 $filters = array();
3248
3249 $cat_id = (int)getFeedCategory($link, $feed_id);
3250
3251 $result = db_query($link, "SELECT * FROM ttrss_filters2 WHERE
3252 owner_uid = $owner_uid AND enabled = true ORDER BY order_id, title");
3253
3254 $check_cats = join(",", array_merge(
3255 getParentCategories($link, $cat_id, $owner_uid),
3256 array($cat_id)));
3257
3258 while ($line = db_fetch_assoc($result)) {
3259 $filter_id = $line["id"];
3260
3261 $result2 = db_query($link, "SELECT
3262 r.reg_exp, r.inverse, r.feed_id, r.cat_id, r.cat_filter, t.name AS type_name
3263 FROM ttrss_filters2_rules AS r,
3264 ttrss_filter_types AS t
3265 WHERE
3266 (cat_id IS NULL OR cat_id IN ($check_cats)) AND
3267 (feed_id IS NULL OR feed_id = '$feed_id') AND
3268 filter_type = t.id AND filter_id = '$filter_id'");
3269
3270 $rules = array();
3271 $actions = array();
3272
3273 while ($rule_line = db_fetch_assoc($result2)) {
3274 # print_r($rule_line);
3275
3276 $rule = array();
3277 $rule["reg_exp"] = $rule_line["reg_exp"];
3278 $rule["type"] = $rule_line["type_name"];
3279 $rule["inverse"] = sql_bool_to_bool($rule_line["inverse"]);
3280
3281 array_push($rules, $rule);
3282 }
3283
3284 $result2 = db_query($link, "SELECT a.action_param,t.name AS type_name
3285 FROM ttrss_filters2_actions AS a,
3286 ttrss_filter_actions AS t
3287 WHERE
3288 action_id = t.id AND filter_id = '$filter_id'");
3289
3290 while ($action_line = db_fetch_assoc($result2)) {
3291 # print_r($action_line);
3292
3293 $action = array();
3294 $action["type"] = $action_line["type_name"];
3295 $action["param"] = $action_line["action_param"];
3296
3297 array_push($actions, $action);
3298 }
3299
3300
3301 $filter = array();
3302 $filter["match_any_rule"] = sql_bool_to_bool($line["match_any_rule"]);
3303 $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
3304 $filter["rules"] = $rules;
3305 $filter["actions"] = $actions;
3306
3307 if (count($rules) > 0 && count($actions) > 0) {
3308 array_push($filters, $filter);
3309 }
3310 }
3311
3312 return $filters;
3313 }
3314
3315 function get_score_pic($score) {
3316 if ($score > 100) {
3317 return "score_high.png";
3318 } else if ($score > 0) {
3319 return "score_half_high.png";
3320 } else if ($score < -100) {
3321 return "score_low.png";
3322 } else if ($score < 0) {
3323 return "score_half_low.png";
3324 } else {
3325 return "score_neutral.png";
3326 }
3327 }
3328
3329 function feed_has_icon($id) {
3330 return is_file(ICONS_DIR . "/$id.ico") && filesize(ICONS_DIR . "/$id.ico") > 0;
3331 }
3332
3333 function init_connection($link) {
3334 if ($link) {
3335
3336 if (DB_TYPE == "pgsql") {
3337 pg_query($link, "set client_encoding = 'UTF-8'");
3338 pg_set_client_encoding("UNICODE");
3339 pg_query($link, "set datestyle = 'ISO, european'");
3340 pg_query($link, "set TIME ZONE 0");
3341 } else {
3342 db_query($link, "SET time_zone = '+0:0'");
3343
3344 if (defined('MYSQL_CHARSET') && MYSQL_CHARSET) {
3345 db_query($link, "SET NAMES " . MYSQL_CHARSET);
3346 }
3347 }
3348
3349 global $pluginhost;
3350
3351 $pluginhost = new PluginHost($link);
3352 $pluginhost->load(PLUGINS, $pluginhost::KIND_ALL);
3353
3354 return true;
3355 } else {
3356 print "Unable to connect to database:" . db_last_error();
3357 return false;
3358 }
3359 }
3360
3361 function format_tags_string($tags, $id) {
3362
3363 $tags_str = "";
3364 $tags_nolinks_str = "";
3365
3366 $num_tags = 0;
3367
3368 $tag_limit = 6;
3369
3370 $formatted_tags = array();
3371
3372 foreach ($tags as $tag) {
3373 $num_tags++;
3374 $tag_escaped = str_replace("'", "\\'", $tag);
3375
3376 if (mb_strlen($tag) > 30) {
3377 $tag = truncate_string($tag, 30);
3378 }
3379
3380 $tag_str = "<a href=\"javascript:viewfeed('$tag_escaped')\">$tag</a>";
3381
3382 array_push($formatted_tags, $tag_str);
3383
3384 $tmp_tags_str = implode(", ", $formatted_tags);
3385
3386 if ($num_tags == $tag_limit || mb_strlen($tmp_tags_str) > 150) {
3387 break;
3388 }
3389 }
3390
3391 $tags_str = implode(", ", $formatted_tags);
3392
3393 if ($num_tags < count($tags)) {
3394 $tags_str .= ", &hellip;";
3395 }
3396
3397 if ($num_tags == 0) {
3398 $tags_str = __("no tags");
3399 }
3400
3401 return $tags_str;
3402
3403 }
3404
3405 function format_article_labels($labels, $id) {
3406
3407 $labels_str = "";
3408
3409 foreach ($labels as $l) {
3410 $labels_str .= sprintf("<span class='hlLabelRef'
3411 style='color : %s; background-color : %s'>%s</span>",
3412 $l[2], $l[3], $l[1]);
3413 }
3414
3415 return $labels_str;
3416
3417 }
3418
3419 function format_article_note($id, $note, $allow_edit = true) {
3420
3421 $str = "<div class='articleNote' onclick=\"editArticleNote($id)\">
3422 <div class='noteEdit' onclick=\"editArticleNote($id)\">".
3423 ($allow_edit ? __('(edit note)') : "")."</div>$note</div>";
3424
3425 return $str;
3426 }
3427
3428
3429 function get_feed_category($link, $feed_cat, $parent_cat_id = false) {
3430 if ($parent_cat_id) {
3431 $parent_qpart = "parent_cat = '$parent_cat_id'";
3432 $parent_insert = "'$parent_cat_id'";
3433 } else {
3434 $parent_qpart = "parent_cat IS NULL";
3435 $parent_insert = "NULL";
3436 }
3437
3438 $result = db_query($link,
3439 "SELECT id FROM ttrss_feed_categories
3440 WHERE $parent_qpart AND title = '$feed_cat' AND owner_uid = ".$_SESSION["uid"]);
3441
3442 if (db_num_rows($result) == 0) {
3443 return false;
3444 } else {
3445 return db_fetch_result($result, 0, "id");
3446 }
3447 }
3448
3449 function add_feed_category($link, $feed_cat, $parent_cat_id = false) {
3450
3451 if (!$feed_cat) return false;
3452
3453 db_query($link, "BEGIN");
3454
3455 if ($parent_cat_id) {
3456 $parent_qpart = "parent_cat = '$parent_cat_id'";
3457 $parent_insert = "'$parent_cat_id'";
3458 } else {
3459 $parent_qpart = "parent_cat IS NULL";
3460 $parent_insert = "NULL";
3461 }
3462
3463 $feed_cat = mb_substr($feed_cat, 0, 250);
3464
3465 $result = db_query($link,
3466 "SELECT id FROM ttrss_feed_categories
3467 WHERE $parent_qpart AND title = '$feed_cat' AND owner_uid = ".$_SESSION["uid"]);
3468
3469 if (db_num_rows($result) == 0) {
3470
3471 $result = db_query($link,
3472 "INSERT INTO ttrss_feed_categories (owner_uid,title,parent_cat)
3473 VALUES ('".$_SESSION["uid"]."', '$feed_cat', $parent_insert)");
3474
3475 db_query($link, "COMMIT");
3476
3477 return true;
3478 }
3479
3480 return false;
3481 }
3482
3483 function getArticleFeed($link, $id) {
3484 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
3485 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3486
3487 if (db_num_rows($result) != 0) {
3488 return db_fetch_result($result, 0, "feed_id");
3489 } else {
3490 return 0;
3491 }
3492 }
3493
3494 /**
3495 * Fixes incomplete URLs by prepending "http://".
3496 * Also replaces feed:// with http://, and
3497 * prepends a trailing slash if the url is a domain name only.
3498 *
3499 * @param string $url Possibly incomplete URL
3500 *
3501 * @return string Fixed URL.
3502 */
3503 function fix_url($url) {
3504 if (strpos($url, '://') === false) {
3505 $url = 'http://' . $url;
3506 } else if (substr($url, 0, 5) == 'feed:') {
3507 $url = 'http:' . substr($url, 5);
3508 }
3509
3510 //prepend slash if the URL has no slash in it
3511 // "http://www.example" -> "http://www.example/"
3512 if (strpos($url, '/', strpos($url, ':') + 3) === false) {
3513 $url .= '/';
3514 }
3515
3516 if ($url != "http:///")
3517 return $url;
3518 else
3519 return '';
3520 }
3521
3522 function validate_feed_url($url) {
3523 $parts = parse_url($url);
3524
3525 return ($parts['scheme'] == 'http' || $parts['scheme'] == 'feed' || $parts['scheme'] == 'https');
3526
3527 }
3528
3529 function get_article_enclosures($link, $id) {
3530
3531 $query = "SELECT * FROM ttrss_enclosures
3532 WHERE post_id = '$id' AND content_url != ''";
3533
3534 $rv = array();
3535
3536 $result = db_query($link, $query);
3537
3538 if (db_num_rows($result) > 0) {
3539 while ($line = db_fetch_assoc($result)) {
3540 array_push($rv, $line);
3541 }
3542 }
3543
3544 return $rv;
3545 }
3546
3547 function save_email_address($link, $email) {
3548 // FIXME: implement persistent storage of emails
3549
3550 if (!$_SESSION['stored_emails'])
3551 $_SESSION['stored_emails'] = array();
3552
3553 if (!in_array($email, $_SESSION['stored_emails']))
3554 array_push($_SESSION['stored_emails'], $email);
3555 }
3556
3557
3558 function get_feed_access_key($link, $feed_id, $is_cat, $owner_uid = false) {
3559
3560 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3561
3562 $sql_is_cat = bool_to_sql_bool($is_cat);
3563
3564 $result = db_query($link, "SELECT access_key FROM ttrss_access_keys
3565 WHERE feed_id = '$feed_id' AND is_cat = $sql_is_cat
3566 AND owner_uid = " . $owner_uid);
3567
3568 if (db_num_rows($result) == 1) {
3569 return db_fetch_result($result, 0, "access_key");
3570 } else {
3571 $key = db_escape_string($link, sha1(uniqid(rand(), true)));
3572
3573 $result = db_query($link, "INSERT INTO ttrss_access_keys
3574 (access_key, feed_id, is_cat, owner_uid)
3575 VALUES ('$key', '$feed_id', $sql_is_cat, '$owner_uid')");
3576
3577 return $key;
3578 }
3579 return false;
3580 }
3581
3582 function get_feeds_from_html($url, $content)
3583 {
3584 $url = fix_url($url);
3585 $baseUrl = substr($url, 0, strrpos($url, '/') + 1);
3586
3587 libxml_use_internal_errors(true);
3588
3589 $doc = new DOMDocument();
3590 $doc->loadHTML($content);
3591 $xpath = new DOMXPath($doc);
3592 $entries = $xpath->query('/html/head/link[@rel="alternate"]');
3593 $feedUrls = array();
3594 foreach ($entries as $entry) {
3595 if ($entry->hasAttribute('href')) {
3596 $title = $entry->getAttribute('title');
3597 if ($title == '') {
3598 $title = $entry->getAttribute('type');
3599 }
3600 $feedUrl = rewrite_relative_url(
3601 $baseUrl, $entry->getAttribute('href')
3602 );
3603 $feedUrls[$feedUrl] = $title;
3604 }
3605 }
3606 return $feedUrls;
3607 }
3608
3609 function is_html($content) {
3610 return preg_match("/<html|DOCTYPE html/i", substr($content, 0, 20)) !== 0;
3611 }
3612
3613 function url_is_html($url, $login = false, $pass = false) {
3614 return is_html(fetch_file_contents($url, false, $login, $pass));
3615 }
3616
3617 function print_label_select($link, $name, $value, $attributes = "") {
3618
3619 $result = db_query($link, "SELECT caption FROM ttrss_labels2
3620 WHERE owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
3621
3622 print "<select default=\"$value\" name=\"" . htmlspecialchars($name) .
3623 "\" $attributes onchange=\"labelSelectOnChange(this)\" >";
3624
3625 while ($line = db_fetch_assoc($result)) {
3626
3627 $issel = ($line["caption"] == $value) ? "selected=\"1\"" : "";
3628
3629 print "<option value=\"".htmlspecialchars($line["caption"])."\"
3630 $issel>" . htmlspecialchars($line["caption"]) . "</option>";
3631
3632 }
3633
3634 # print "<option value=\"ADD_LABEL\">" .__("Add label...") . "</option>";
3635
3636 print "</select>";
3637
3638
3639 }
3640
3641 function format_article_enclosures($link, $id, $always_display_enclosures,
3642 $article_content, $hide_images = false) {
3643
3644 $result = get_article_enclosures($link, $id);
3645 $rv = '';
3646
3647 if (count($result) > 0) {
3648
3649 $entries_html = array();
3650 $entries = array();
3651 $entries_inline = array();
3652
3653 foreach ($result as $line) {
3654
3655 $url = $line["content_url"];
3656 $ctype = $line["content_type"];
3657
3658 if (!$ctype) $ctype = __("unknown type");
3659
3660 $filename = substr($url, strrpos($url, "/")+1);
3661
3662 $player = format_inline_player($link, $url, $ctype);
3663
3664 if ($player) array_push($entries_inline, $player);
3665
3666 # $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
3667 # $filename . " (" . $ctype . ")" . "</a>";
3668
3669 $entry = "<div onclick=\"window.open('".htmlspecialchars($url)."')\"
3670 dojoType=\"dijit.MenuItem\">$filename ($ctype)</div>";
3671
3672 array_push($entries_html, $entry);
3673
3674 $entry = array();
3675
3676 $entry["type"] = $ctype;
3677 $entry["filename"] = $filename;
3678 $entry["url"] = $url;
3679
3680 array_push($entries, $entry);
3681 }
3682
3683 if ($_SESSION['uid'] && !get_pref($link, "STRIP_IMAGES") && !$_SESSION["bw_limit"]) {
3684 if ($always_display_enclosures ||
3685 !preg_match("/<img/i", $article_content)) {
3686
3687 foreach ($entries as $entry) {
3688
3689 if (preg_match("/image/", $entry["type"]) ||
3690 preg_match("/\.(jpg|png|gif|bmp)/i", $entry["filename"])) {
3691
3692 if (!$hide_images) {
3693 $rv .= "<p><img
3694 alt=\"".htmlspecialchars($entry["filename"])."\"
3695 src=\"" .htmlspecialchars($entry["url"]) . "\"/></p>";
3696 } else {
3697 $rv .= "<p><a target=\"_blank\"
3698 href=\"".htmlspecialchars($entry["url"])."\"
3699 >" .htmlspecialchars($entry["url"]) . "</a></p>";
3700
3701 }
3702 }
3703 }
3704 }
3705 }
3706
3707 if (count($entries_inline) > 0) {
3708 $rv .= "<hr clear='both'/>";
3709 foreach ($entries_inline as $entry) { $rv .= $entry; };
3710 $rv .= "<hr clear='both'/>";
3711 }
3712
3713 $rv .= "<select class=\"attachments\" onchange=\"openSelectedAttachment(this)\">".
3714 "<option value=''>" . __('Attachments')."</option>";
3715
3716 foreach ($entries as $entry) {
3717 $rv .= "<option value=\"".htmlspecialchars($entry["url"])."\">" . htmlspecialchars($entry["filename"]) . "</option>";
3718
3719 };
3720
3721 $rv .= "</select>";
3722 }
3723
3724 return $rv;
3725 }
3726
3727 function getLastArticleId($link) {
3728 $result = db_query($link, "SELECT MAX(ref_id) AS id FROM ttrss_user_entries
3729 WHERE owner_uid = " . $_SESSION["uid"]);
3730
3731 if (db_num_rows($result) == 1) {
3732 return db_fetch_result($result, 0, "id");
3733 } else {
3734 return -1;
3735 }
3736 }
3737
3738 function build_url($parts) {
3739 return $parts['scheme'] . "://" . $parts['host'] . $parts['path'];
3740 }
3741
3742 /**
3743 * Converts a (possibly) relative URL to a absolute one.
3744 *
3745 * @param string $url Base URL (i.e. from where the document is)
3746 * @param string $rel_url Possibly relative URL in the document
3747 *
3748 * @return string Absolute URL
3749 */
3750 function rewrite_relative_url($url, $rel_url) {
3751 if (strpos($rel_url, "magnet:") === 0) {
3752 return $rel_url;
3753 } else if (strpos($rel_url, "://") !== false) {
3754 return $rel_url;
3755 } else if (strpos($rel_url, "//") === 0) {
3756 # protocol-relative URL (rare but they exist)
3757 return $rel_url;
3758 } else if (strpos($rel_url, "/") === 0)
3759 {
3760 $parts = parse_url($url);
3761 $parts['path'] = $rel_url;
3762
3763 return build_url($parts);
3764
3765 } else {
3766 $parts = parse_url($url);
3767 if (!isset($parts['path'])) {
3768 $parts['path'] = '/';
3769 }
3770 $dir = $parts['path'];
3771 if (substr($dir, -1) !== '/') {
3772 $dir = dirname($parts['path']);
3773 $dir !== '/' && $dir .= '/';
3774 }
3775 $parts['path'] = $dir . $rel_url;
3776
3777 return build_url($parts);
3778 }
3779 }
3780
3781 function sphinx_search($query, $offset = 0, $limit = 30) {
3782 require_once 'lib/sphinxapi.php';
3783
3784 $sphinxClient = new SphinxClient();
3785
3786 $sphinxClient->SetServer('localhost', 9312);
3787 $sphinxClient->SetConnectTimeout(1);
3788
3789 $sphinxClient->SetFieldWeights(array('title' => 70, 'content' => 30,
3790 'feed_title' => 20));
3791
3792 $sphinxClient->SetMatchMode(SPH_MATCH_EXTENDED2);
3793 $sphinxClient->SetRankingMode(SPH_RANK_PROXIMITY_BM25);
3794 $sphinxClient->SetLimits($offset, $limit, 1000);
3795 $sphinxClient->SetArrayResult(false);
3796 $sphinxClient->SetFilter('owner_uid', array($_SESSION['uid']));
3797
3798 $result = $sphinxClient->Query($query, SPHINX_INDEX);
3799
3800 $ids = array();
3801
3802 if (is_array($result['matches'])) {
3803 foreach (array_keys($result['matches']) as $int_id) {
3804 $ref_id = $result['matches'][$int_id]['attrs']['ref_id'];
3805 array_push($ids, $ref_id);
3806 }
3807 }
3808
3809 return $ids;
3810 }
3811
3812 function cleanup_tags($link, $days = 14, $limit = 1000) {
3813
3814 if (DB_TYPE == "pgsql") {
3815 $interval_query = "date_updated < NOW() - INTERVAL '$days days'";
3816 } else if (DB_TYPE == "mysql") {
3817 $interval_query = "date_updated < DATE_SUB(NOW(), INTERVAL $days DAY)";
3818 }
3819
3820 $tags_deleted = 0;
3821
3822 while ($limit > 0) {
3823 $limit_part = 500;
3824
3825 $query = "SELECT ttrss_tags.id AS id
3826 FROM ttrss_tags, ttrss_user_entries, ttrss_entries
3827 WHERE post_int_id = int_id AND $interval_query AND
3828 ref_id = ttrss_entries.id AND tag_cache != '' LIMIT $limit_part";
3829
3830 $result = db_query($link, $query);
3831
3832 $ids = array();
3833
3834 while ($line = db_fetch_assoc($result)) {
3835 array_push($ids, $line['id']);
3836 }
3837
3838 if (count($ids) > 0) {
3839 $ids = join(",", $ids);
3840
3841 $tmp_result = db_query($link, "DELETE FROM ttrss_tags WHERE id IN ($ids)");
3842 $tags_deleted += db_affected_rows($link, $tmp_result);
3843 } else {
3844 break;
3845 }
3846
3847 $limit -= $limit_part;
3848 }
3849
3850 return $tags_deleted;
3851 }
3852
3853 function print_user_stylesheet($link) {
3854 $value = get_pref($link, 'USER_STYLESHEET');
3855
3856 if ($value) {
3857 print "<style type=\"text/css\">";
3858 print str_replace("<br/>", "\n", $value);
3859 print "</style>";
3860 }
3861
3862 }
3863
3864 function rewrite_urls($html) {
3865 libxml_use_internal_errors(true);
3866
3867 $charset_hack = '<head>
3868 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
3869 </head>';
3870
3871 $doc = new DOMDocument();
3872 $doc->loadHTML($charset_hack . $html);
3873 $xpath = new DOMXPath($doc);
3874
3875 $entries = $xpath->query('//*/text()');
3876
3877 foreach ($entries as $entry) {
3878 if (strstr($entry->wholeText, "://") !== false) {
3879 $text = preg_replace("/((?<!=.)((http|https|ftp)+):\/\/[^ ,!]+)/i",
3880 "<a target=\"_blank\" href=\"\\1\">\\1</a>", $entry->wholeText);
3881
3882 if ($text != $entry->wholeText) {
3883 $cdoc = new DOMDocument();
3884 $cdoc->loadHTML($charset_hack . $text);
3885
3886
3887 foreach ($cdoc->childNodes as $cnode) {
3888 $cnode = $doc->importNode($cnode, true);
3889
3890 if ($cnode) {
3891 $entry->parentNode->insertBefore($cnode);
3892 }
3893 }
3894
3895 $entry->parentNode->removeChild($entry);
3896
3897 }
3898 }
3899 }
3900
3901 $node = $doc->getElementsByTagName('body')->item(0);
3902
3903 // http://tt-rss.org/forum/viewtopic.php?f=1&t=970
3904 if ($node)
3905 return $doc->saveXML($node);
3906 else
3907 return $html;
3908 }
3909
3910 function filter_to_sql($link, $filter, $owner_uid) {
3911 $query = array();
3912
3913 if (DB_TYPE == "pgsql")
3914 $reg_qpart = "~";
3915 else
3916 $reg_qpart = "REGEXP";
3917
3918 foreach ($filter["rules"] AS $rule) {
3919 $regexp_valid = preg_match('/' . $rule['reg_exp'] . '/',
3920 $rule['reg_exp']) !== FALSE;
3921
3922 if ($regexp_valid) {
3923
3924 $rule['reg_exp'] = db_escape_string($link, $rule['reg_exp']);
3925
3926 switch ($rule["type"]) {
3927 case "title":
3928 $qpart = "LOWER(ttrss_entries.title) $reg_qpart LOWER('".
3929 $rule['reg_exp'] . "')";
3930 break;
3931 case "content":
3932 $qpart = "LOWER(ttrss_entries.content) $reg_qpart LOWER('".
3933 $rule['reg_exp'] . "')";
3934 break;
3935 case "both":
3936 $qpart = "LOWER(ttrss_entries.title) $reg_qpart LOWER('".
3937 $rule['reg_exp'] . "') OR LOWER(" .
3938 "ttrss_entries.content) $reg_qpart LOWER('" . $rule['reg_exp'] . "')";
3939 break;
3940 case "tag":
3941 $qpart = "LOWER(ttrss_user_entries.tag_cache) $reg_qpart LOWER('".
3942 $rule['reg_exp'] . "')";
3943 break;
3944 case "link":
3945 $qpart = "LOWER(ttrss_entries.link) $reg_qpart LOWER('".
3946 $rule['reg_exp'] . "')";
3947 break;
3948 case "author":
3949 $qpart = "LOWER(ttrss_entries.author) $reg_qpart LOWER('".
3950 $rule['reg_exp'] . "')";
3951 break;
3952 }
3953
3954 if (isset($rule['inverse'])) $qpart = "NOT ($qpart)";
3955
3956 if (isset($rule["feed_id"]) && $rule["feed_id"] > 0) {
3957 $qpart .= " AND feed_id = " . db_escape_string($link, $rule["feed_id"]);
3958 }
3959
3960 if (isset($rule["cat_id"])) {
3961
3962 if ($rule["cat_id"] > 0) {
3963 $children = getChildCategories($link, $rule["cat_id"], $owner_uid);
3964 array_push($children, $rule["cat_id"]);
3965
3966 $children = join(",", $children);
3967
3968 $cat_qpart = "cat_id IN ($children)";
3969 } else {
3970 $cat_qpart = "cat_id IS NULL";
3971 }
3972
3973 $qpart .= " AND $cat_qpart";
3974 }
3975
3976 array_push($query, "($qpart)");
3977
3978 }
3979 }
3980
3981 if (count($query) > 0) {
3982 $fullquery = "(" . join($filter["match_any_rule"] ? "OR" : "AND", $query) . ")";
3983 } else {
3984 $fullquery = "(false)";
3985 }
3986
3987 if ($filter['inverse']) $fullquery = "(NOT $fullquery)";
3988
3989 return $fullquery;
3990 }
3991
3992 if (!function_exists('gzdecode')) {
3993 function gzdecode($string) { // no support for 2nd argument
3994 return file_get_contents('compress.zlib://data:who/cares;base64,'.
3995 base64_encode($string));
3996 }
3997 }
3998
3999 function get_random_bytes($length) {
4000 if (function_exists('openssl_random_pseudo_bytes')) {
4001 return openssl_random_pseudo_bytes($length);
4002 } else {
4003 $output = "";
4004
4005 for ($i = 0; $i < $length; $i++)
4006 $output .= chr(mt_rand(0, 255));
4007
4008 return $output;
4009 }
4010 }
4011
4012 function read_stdin() {
4013 $fp = fopen("php://stdin", "r");
4014
4015 if ($fp) {
4016 $line = trim(fgets($fp));
4017 fclose($fp);
4018 return $line;
4019 }
4020
4021 return null;
4022 }
4023
4024 function tmpdirname($path, $prefix) {
4025 // Use PHP's tmpfile function to create a temporary
4026 // directory name. Delete the file and keep the name.
4027 $tempname = tempnam($path,$prefix);
4028 if (!$tempname)
4029 return false;
4030
4031 if (!unlink($tempname))
4032 return false;
4033
4034 return $tempname;
4035 }
4036
4037 function getFeedCategory($link, $feed) {
4038 $result = db_query($link, "SELECT cat_id FROM ttrss_feeds
4039 WHERE id = '$feed'");
4040
4041 if (db_num_rows($result) > 0) {
4042 return db_fetch_result($result, 0, "cat_id");
4043 } else {
4044 return false;
4045 }
4046
4047 }
4048
4049 function implements_interface($class, $interface) {
4050 return in_array($interface, class_implements($class));
4051 }
4052
4053 function geturl($url){
4054
4055 (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');
4056
4057 $curl = curl_init();
4058 $header[0] = "Accept: text/xml,application/xml,application/xhtml+xml,";
4059 $header[0] .= "text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5";
4060 $header[] = "Cache-Control: max-age=0";
4061 $header[] = "Connection: keep-alive";
4062 $header[] = "Keep-Alive: 300";
4063 $header[] = "Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7";
4064 $header[] = "Accept-Language: en-us,en;q=0.5";
4065 $header[] = "Pragma: ";
4066
4067 curl_setopt($curl, CURLOPT_URL, $url);
4068 curl_setopt($curl, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows NT 5.1; rv:5.0) Gecko/20100101 Firefox/5.0 Firefox/5.0');
4069 curl_setopt($curl, CURLOPT_HTTPHEADER, $header);
4070 curl_setopt($curl, CURLOPT_HEADER, true);
4071 curl_setopt($curl, CURLOPT_REFERER, $url);
4072 curl_setopt($curl, CURLOPT_ENCODING, 'gzip,deflate');
4073 curl_setopt($curl, CURLOPT_AUTOREFERER, true);
4074 curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
4075 //curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true); //CURLOPT_FOLLOWLOCATION Disabled...
4076 curl_setopt($curl, CURLOPT_TIMEOUT, 60);
4077
4078 $html = curl_exec($curl);
4079
4080 $status = curl_getinfo($curl);
4081 curl_close($curl);
4082
4083 if($status['http_code']!=200){
4084 if($status['http_code'] == 301 || $status['http_code'] == 302) {
4085 list($header) = explode("\r\n\r\n", $html, 2);
4086 $matches = array();
4087 preg_match("/(Location:|URI:)[^(\n)]*/", $header, $matches);
4088 $url = trim(str_replace($matches[1],"",$matches[0]));
4089 $url_parsed = parse_url($url);
4090 return (isset($url_parsed))? geturl($url, $referer):'';
4091 }
4092 $oline='';
4093 foreach($status as $key=>$eline){$oline.='['.$key.']'.$eline.' ';}
4094 $line =$oline." \r\n ".$url."\r\n-----------------\r\n";
4095 # $handle = @fopen('./curl.error.log', 'a');
4096 # fwrite($handle, $line);
4097 return FALSE;
4098 }
4099 return $url;
4100 }
4101
4102 function get_minified_js($files) {
4103 require_once 'lib/jshrink/Minifier.php';
4104
4105 $rv = '';
4106
4107 foreach ($files as $js) {
4108 if (!isset($_GET['debug'])) {
4109 $cached_file = CACHE_DIR . "/js/$js.js";
4110
4111 if (file_exists($cached_file) &&
4112 is_readable($cached_file) &&
4113 filemtime($cached_file) >= filemtime("js/$js.js")) {
4114
4115 $rv .= file_get_contents($cached_file);
4116
4117 } else {
4118 $minified = JShrink\Minifier::minify(file_get_contents("js/$js.js"));
4119 file_put_contents($cached_file, $minified);
4120 $rv .= $minified;
4121 }
4122 } else {
4123 $rv .= file_get_contents("js/$js.js");
4124 }
4125 }
4126
4127 return $rv;
4128 }
4129
4130 function stylesheet_tag($filename) {
4131 $timestamp = filemtime($filename);
4132
4133 echo "<link rel=\"stylesheet\" type=\"text/css\" href=\"$filename?$timestamp\"/>\n";
4134 }
4135
4136 function javascript_tag($filename) {
4137 $query = "";
4138
4139 if (!(strpos($filename, "?") === FALSE)) {
4140 $query = substr($filename, strpos($filename, "?")+1);
4141 $filename = substr($filename, 0, strpos($filename, "?"));
4142 }
4143
4144 $timestamp = filemtime($filename);
4145
4146 if ($query) $timestamp .= "&$query";
4147
4148 echo "<script type=\"text/javascript\" charset=\"utf-8\" src=\"$filename?$timestamp\"></script>\n";
4149 }
4150
4151 function calculate_dep_timestamp() {
4152 $files = array_merge(glob("js/*.js"), glob("*.css"));
4153
4154 $max_ts = -1;
4155
4156 foreach ($files as $file) {
4157 if (filemtime($file) > $max_ts) $max_ts = filemtime($file);
4158 }
4159
4160 return $max_ts;
4161 }
4162
4163 function T_js_decl($s1, $s2) {
4164 if ($s1 && $s2) {
4165 $s1 = preg_replace("/\n/", "", $s1);
4166 $s2 = preg_replace("/\n/", "", $s2);
4167
4168 $s1 = preg_replace("/\"/", "\\\"", $s1);
4169 $s2 = preg_replace("/\"/", "\\\"", $s2);
4170
4171 return "T_messages[\"$s1\"] = \"$s2\";\n";
4172 }
4173 }
4174
4175 function init_js_translations() {
4176
4177 print 'var T_messages = new Object();
4178
4179 function __(msg) {
4180 if (T_messages[msg]) {
4181 return T_messages[msg];
4182 } else {
4183 return msg;
4184 }
4185 }
4186
4187 function ngettext(msg1, msg2, n) {
4188 return (parseInt(n) > 1) ? msg2 : msg1;
4189 }';
4190
4191 $l10n = _get_reader();
4192
4193 for ($i = 0; $i < $l10n->total; $i++) {
4194 $orig = $l10n->get_original_string($i);
4195 $translation = __($orig);
4196
4197 print T_js_decl($orig, $translation);
4198 }
4199 }
4200
4201 function label_to_feed_id($label) {
4202 return LABEL_BASE_INDEX - 1 - abs($label);
4203 }
4204
4205 function feed_to_label_id($feed) {
4206 return LABEL_BASE_INDEX - 1 + abs($feed);
4207 }
4208
4209 ?>
web-based news feed (RSS/Atom) reader and aggregator; see https://tt-rss.org/