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[tt-rss.git] / include / functions.php
1 <?php
2 define('EXPECTED_CONFIG_VERSION', 26);
3 define('SCHEMA_VERSION', 118);
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 $fetch_last_content_type = false;
11 $fetch_curl_used = false;
12
13 mb_internal_encoding("UTF-8");
14 date_default_timezone_set('UTC');
15 if (defined('E_DEPRECATED')) {
16 error_reporting(E_ALL & ~E_NOTICE & ~E_DEPRECATED);
17 } else {
18 error_reporting(E_ALL & ~E_NOTICE);
19 }
20
21 require_once 'config.php';
22
23 /**
24 * Define a constant if not already defined
25 *
26 * @param string $name The constant name.
27 * @param mixed $value The constant value.
28 * @access public
29 * @return boolean True if defined successfully or not.
30 */
31 function define_default($name, $value) {
32 defined($name) or define($name, $value);
33 }
34
35 ///// Some defaults that you can override in config.php //////
36
37 define_default('FEED_FETCH_TIMEOUT', 45);
38 // How may seconds to wait for response when requesting feed from a site
39 define_default('FEED_FETCH_NO_CACHE_TIMEOUT', 15);
40 // How may seconds to wait for response when requesting feed from a
41 // site when that feed wasn't cached before
42 define_default('FILE_FETCH_TIMEOUT', 45);
43 // Default timeout when fetching files from remote sites
44 define_default('FILE_FETCH_CONNECT_TIMEOUT', 15);
45 // How many seconds to wait for initial response from website when
46 // fetching files from remote sites
47
48 if (DB_TYPE == "pgsql") {
49 define('SUBSTRING_FOR_DATE', 'SUBSTRING_FOR_DATE');
50 } else {
51 define('SUBSTRING_FOR_DATE', 'SUBSTRING');
52 }
53
54 /**
55 * Return available translations names.
56 *
57 * @access public
58 * @return array A array of available translations.
59 */
60 function get_translations() {
61 $tr = array(
62 "auto" => "Detect automatically",
63 "ca_CA" => "Català",
64 "cs_CZ" => "Česky",
65 "en_US" => "English",
66 "es_ES" => "Español",
67 "de_DE" => "Deutsch",
68 "fr_FR" => "Français",
69 "hu_HU" => "Magyar (Hungarian)",
70 "it_IT" => "Italiano",
71 "ja_JP" => "日本語 (Japanese)",
72 "lv_LV" => "Latviešu",
73 "nb_NO" => "Norwegian bokmål",
74 "nl_NL" => "Dutch",
75 "pl_PL" => "Polski",
76 "ru_RU" => "Русский",
77 "pt_BR" => "Portuguese/Brazil",
78 "zh_CN" => "Simplified Chinese",
79 "sv_SE" => "Svenska",
80 "fi_FI" => "Suomi");
81
82 return $tr;
83 }
84
85 require_once "lib/accept-to-gettext.php";
86 require_once "lib/gettext/gettext.inc";
87
88
89 function startup_gettext() {
90
91 # Get locale from Accept-Language header
92 $lang = al2gt(array_keys(get_translations()), "text/html");
93
94 if (defined('_TRANSLATION_OVERRIDE_DEFAULT')) {
95 $lang = _TRANSLATION_OVERRIDE_DEFAULT;
96 }
97
98 if ($_SESSION["language"] && $_SESSION["language"] != "auto") {
99 $lang = $_SESSION["language"];
100 }
101
102 if ($lang) {
103 if (defined('LC_MESSAGES')) {
104 _setlocale(LC_MESSAGES, $lang);
105 } else if (defined('LC_ALL')) {
106 _setlocale(LC_ALL, $lang);
107 }
108
109 _bindtextdomain("messages", "locale");
110
111 _textdomain("messages");
112 _bind_textdomain_codeset("messages", "UTF-8");
113 }
114 }
115
116 startup_gettext();
117
118 require_once 'db-prefs.php';
119 require_once 'version.php';
120 require_once 'ccache.php';
121 require_once 'labels.php';
122
123 define('SELF_USER_AGENT', 'Tiny Tiny RSS/' . VERSION . ' (http://tt-rss.org/)');
124 ini_set('user_agent', SELF_USER_AGENT);
125
126 require_once 'lib/pubsubhubbub/publisher.php';
127
128 $tz_offset = -1;
129 $utc_tz = new DateTimeZone('UTC');
130 $schema_version = false;
131
132 /**
133 * Print a timestamped debug message.
134 *
135 * @param string $msg The debug message.
136 * @return void
137 */
138 function _debug($msg) {
139 $ts = strftime("%H:%M:%S", time());
140 if (function_exists('posix_getpid')) {
141 $ts = "$ts/" . posix_getpid();
142 }
143
144 if (!(defined('QUIET') && QUIET)) {
145 print "[$ts] $msg\n";
146 }
147
148 if (defined('LOGFILE')) {
149 $fp = fopen(LOGFILE, 'a+');
150
151 if ($fp) {
152 fputs($fp, "[$ts] $msg\n");
153 fclose($fp);
154 }
155 }
156
157 } // function _debug
158
159 /**
160 * Purge a feed old posts.
161 *
162 * @param mixed $link A database connection.
163 * @param mixed $feed_id The id of the purged feed.
164 * @param mixed $purge_interval Olderness of purged posts.
165 * @param boolean $debug Set to True to enable the debug. False by default.
166 * @access public
167 * @return void
168 */
169 function purge_feed($feed_id, $purge_interval, $debug = false) {
170
171 if (!$purge_interval) $purge_interval = feed_purge_interval($feed_id);
172
173 $rows = -1;
174
175 $result = db_query(
176 "SELECT owner_uid FROM ttrss_feeds WHERE id = '$feed_id'");
177
178 $owner_uid = false;
179
180 if (db_num_rows($result) == 1) {
181 $owner_uid = db_fetch_result($result, 0, "owner_uid");
182 }
183
184 if ($purge_interval == -1 || !$purge_interval) {
185 if ($owner_uid) {
186 ccache_update($feed_id, $owner_uid);
187 }
188 return;
189 }
190
191 if (!$owner_uid) return;
192
193 if (FORCE_ARTICLE_PURGE == 0) {
194 $purge_unread = get_pref("PURGE_UNREAD_ARTICLES",
195 $owner_uid, false);
196 } else {
197 $purge_unread = true;
198 $purge_interval = FORCE_ARTICLE_PURGE;
199 }
200
201 if (!$purge_unread) $query_limit = " unread = false AND ";
202
203 if (DB_TYPE == "pgsql") {
204 $pg_version = get_pgsql_version();
205
206 if (preg_match("/^7\./", $pg_version) || preg_match("/^8\.0/", $pg_version)) {
207
208 $result = db_query("DELETE FROM ttrss_user_entries WHERE
209 ttrss_entries.id = ref_id AND
210 marked = false AND
211 feed_id = '$feed_id' AND
212 $query_limit
213 ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
214
215 } else {
216
217 $result = db_query("DELETE FROM ttrss_user_entries
218 USING ttrss_entries
219 WHERE ttrss_entries.id = ref_id AND
220 marked = false AND
221 feed_id = '$feed_id' AND
222 $query_limit
223 ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
224 }
225
226 } else {
227
228 /* $result = db_query("DELETE FROM ttrss_user_entries WHERE
229 marked = false AND feed_id = '$feed_id' AND
230 (SELECT date_updated FROM ttrss_entries WHERE
231 id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
232
233 $result = db_query("DELETE FROM ttrss_user_entries
234 USING ttrss_user_entries, ttrss_entries
235 WHERE ttrss_entries.id = ref_id AND
236 marked = false AND
237 feed_id = '$feed_id' AND
238 $query_limit
239 ttrss_entries.date_updated < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
240 }
241
242 $rows = db_affected_rows($result);
243
244 ccache_update($feed_id, $owner_uid);
245
246 if ($debug) {
247 _debug("Purged feed $feed_id ($purge_interval): deleted $rows articles");
248 }
249
250 return $rows;
251 } // function purge_feed
252
253 function feed_purge_interval($feed_id) {
254
255 $result = db_query("SELECT purge_interval, owner_uid FROM ttrss_feeds
256 WHERE id = '$feed_id'");
257
258 if (db_num_rows($result) == 1) {
259 $purge_interval = db_fetch_result($result, 0, "purge_interval");
260 $owner_uid = db_fetch_result($result, 0, "owner_uid");
261
262 if ($purge_interval == 0) $purge_interval = get_pref(
263 'PURGE_OLD_DAYS', $owner_uid);
264
265 return $purge_interval;
266
267 } else {
268 return -1;
269 }
270 }
271
272 function purge_orphans($do_output = false) {
273
274 // purge orphaned posts in main content table
275 $result = db_query("DELETE FROM ttrss_entries WHERE
276 (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
277
278 if ($do_output) {
279 $rows = db_affected_rows($result);
280 _debug("Purged $rows orphaned posts.");
281 }
282 }
283
284 function get_feed_update_interval($feed_id) {
285 $result = db_query("SELECT owner_uid, update_interval FROM
286 ttrss_feeds WHERE id = '$feed_id'");
287
288 if (db_num_rows($result) == 1) {
289 $update_interval = db_fetch_result($result, 0, "update_interval");
290 $owner_uid = db_fetch_result($result, 0, "owner_uid");
291
292 if ($update_interval != 0) {
293 return $update_interval;
294 } else {
295 return get_pref('DEFAULT_UPDATE_INTERVAL', $owner_uid, false);
296 }
297
298 } else {
299 return -1;
300 }
301 }
302
303 function fetch_file_contents($url, $type = false, $login = false, $pass = false, $post_query = false, $timeout = false, $timestamp = 0) {
304
305 global $fetch_last_error;
306 global $fetch_last_error_code;
307 global $fetch_last_content_type;
308 global $fetch_curl_used;
309
310 $url = str_replace(' ', '%20', $url);
311
312 if (!defined('NO_CURL') && function_exists('curl_init')) {
313
314 $fetch_curl_used = true;
315
316 if (ini_get("safe_mode") || ini_get("open_basedir")) {
317 $ch = curl_init(geturl($url));
318 } else {
319 $ch = curl_init($url);
320 }
321
322 if ($timestamp) {
323 curl_setopt($ch, CURLOPT_HTTPHEADER,
324 array("If-Modified-Since: ".gmdate('D, d M Y H:i:s \G\M\T', $timestamp)));
325 }
326
327 curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout ? $timeout : FILE_FETCH_CONNECT_TIMEOUT);
328 curl_setopt($ch, CURLOPT_TIMEOUT, $timeout ? $timeout : FILE_FETCH_TIMEOUT);
329 curl_setopt($ch, CURLOPT_FOLLOWLOCATION, !ini_get("safe_mode") && !ini_get("open_basedir"));
330 curl_setopt($ch, CURLOPT_MAXREDIRS, 20);
331 curl_setopt($ch, CURLOPT_BINARYTRANSFER, true);
332 curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
333 curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
334 curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
335 curl_setopt($ch, CURLOPT_USERAGENT, SELF_USER_AGENT);
336 curl_setopt($ch, CURLOPT_ENCODING, "");
337 curl_setopt($ch, CURLOPT_REFERER, $url);
338
339 if ($post_query) {
340 curl_setopt($ch, CURLOPT_POST, true);
341 curl_setopt($ch, CURLOPT_POSTFIELDS, $post_query);
342 }
343
344 if ($login && $pass)
345 curl_setopt($ch, CURLOPT_USERPWD, "$login:$pass");
346
347 $contents = @curl_exec($ch);
348
349 if (curl_errno($ch) === 23 || curl_errno($ch) === 61) {
350 curl_setopt($ch, CURLOPT_ENCODING, 'none');
351 $contents = @curl_exec($ch);
352 }
353
354 if ($contents === false) {
355 $fetch_last_error = curl_errno($ch) . " " . curl_error($ch);
356 curl_close($ch);
357 return false;
358 }
359
360 $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
361 $fetch_last_content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
362
363 $fetch_last_error_code = $http_code;
364
365 if ($http_code != 200 || $type && strpos($fetch_last_content_type, "$type") === false) {
366 if (curl_errno($ch) != 0) {
367 $fetch_last_error = curl_errno($ch) . " " . curl_error($ch);
368 } else {
369 $fetch_last_error = "HTTP Code: $http_code";
370 }
371 curl_close($ch);
372 return false;
373 }
374
375 curl_close($ch);
376
377 return $contents;
378 } else {
379
380 $fetch_curl_used = false;
381
382 if ($login && $pass){
383 $url_parts = array();
384
385 preg_match("/(^[^:]*):\/\/(.*)/", $url, $url_parts);
386
387 $pass = urlencode($pass);
388
389 if ($url_parts[1] && $url_parts[2]) {
390 $url = $url_parts[1] . "://$login:$pass@" . $url_parts[2];
391 }
392 }
393
394 $data = @file_get_contents($url);
395
396 $fetch_last_content_type = false; // reset if no type was sent from server
397 foreach ($http_response_header as $h) {
398 if (substr(strtolower($h), 0, 13) == 'content-type:') {
399 $fetch_last_content_type = substr($h, 14);
400 // don't abort here b/c there might be more than one
401 // e.g. if we were being redirected -- last one is the right one
402 }
403 }
404
405 if (!$data && function_exists('error_get_last')) {
406 $error = error_get_last();
407 $fetch_last_error = $error["message"];
408 }
409 return $data;
410 }
411
412 }
413
414 /**
415 * Try to determine the favicon URL for a feed.
416 * adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/)
417 * http://dev.wp-plugins.org/file/favatars/trunk/favatars.php
418 *
419 * @param string $url A feed or page URL
420 * @access public
421 * @return mixed The favicon URL, or false if none was found.
422 */
423 function get_favicon_url($url) {
424
425 $favicon_url = false;
426
427 if ($html = @fetch_file_contents($url)) {
428
429 libxml_use_internal_errors(true);
430
431 $doc = new DOMDocument();
432 $doc->loadHTML($html);
433 $xpath = new DOMXPath($doc);
434
435 $base = $xpath->query('/html/head/base');
436 foreach ($base as $b) {
437 $url = $b->getAttribute("href");
438 break;
439 }
440
441 $entries = $xpath->query('/html/head/link[@rel="shortcut icon" or @rel="icon"]');
442 if (count($entries) > 0) {
443 foreach ($entries as $entry) {
444 $favicon_url = rewrite_relative_url($url, $entry->getAttribute("href"));
445 break;
446 }
447 }
448 }
449
450 if (!$favicon_url)
451 $favicon_url = rewrite_relative_url($url, "/favicon.ico");
452
453 return $favicon_url;
454 } // function get_favicon_url
455
456 function check_feed_favicon($site_url, $feed) {
457 # print "FAVICON [$site_url]: $favicon_url\n";
458
459 $icon_file = ICONS_DIR . "/$feed.ico";
460
461 if (!file_exists($icon_file)) {
462 $favicon_url = get_favicon_url($site_url);
463
464 if ($favicon_url) {
465 // Limiting to "image" type misses those served with text/plain
466 $contents = fetch_file_contents($favicon_url); // , "image");
467
468 if ($contents) {
469 // Crude image type matching.
470 // Patterns gleaned from the file(1) source code.
471 if (preg_match('/^\x00\x00\x01\x00/', $contents)) {
472 // 0 string \000\000\001\000 MS Windows icon resource
473 //error_log("check_feed_favicon: favicon_url=$favicon_url isa MS Windows icon resource");
474 }
475 elseif (preg_match('/^GIF8/', $contents)) {
476 // 0 string GIF8 GIF image data
477 //error_log("check_feed_favicon: favicon_url=$favicon_url isa GIF image");
478 }
479 elseif (preg_match('/^\x89PNG\x0d\x0a\x1a\x0a/', $contents)) {
480 // 0 string \x89PNG\x0d\x0a\x1a\x0a PNG image data
481 //error_log("check_feed_favicon: favicon_url=$favicon_url isa PNG image");
482 }
483 elseif (preg_match('/^\xff\xd8/', $contents)) {
484 // 0 beshort 0xffd8 JPEG image data
485 //error_log("check_feed_favicon: favicon_url=$favicon_url isa JPG image");
486 }
487 else {
488 //error_log("check_feed_favicon: favicon_url=$favicon_url isa UNKNOWN type");
489 $contents = "";
490 }
491 }
492
493 if ($contents) {
494 $fp = @fopen($icon_file, "w");
495
496 if ($fp) {
497 fwrite($fp, $contents);
498 fclose($fp);
499 chmod($icon_file, 0644);
500 }
501 }
502 }
503 return $icon_file;
504 }
505 }
506
507 function print_select($id, $default, $values, $attributes = "") {
508 print "<select name=\"$id\" id=\"$id\" $attributes>";
509 foreach ($values as $v) {
510 if ($v == $default)
511 $sel = "selected=\"1\"";
512 else
513 $sel = "";
514
515 $v = trim($v);
516
517 print "<option value=\"$v\" $sel>$v</option>";
518 }
519 print "</select>";
520 }
521
522 function print_select_hash($id, $default, $values, $attributes = "") {
523 print "<select name=\"$id\" id='$id' $attributes>";
524 foreach (array_keys($values) as $v) {
525 if ($v == $default)
526 $sel = 'selected="selected"';
527 else
528 $sel = "";
529
530 $v = trim($v);
531
532 print "<option $sel value=\"$v\">".$values[$v]."</option>";
533 }
534
535 print "</select>";
536 }
537
538 function print_radio($id, $default, $true_is, $values, $attributes = "") {
539 foreach ($values as $v) {
540
541 if ($v == $default)
542 $sel = "checked";
543 else
544 $sel = "";
545
546 if ($v == $true_is) {
547 $sel .= " value=\"1\"";
548 } else {
549 $sel .= " value=\"0\"";
550 }
551
552 print "<input class=\"noborder\" dojoType=\"dijit.form.RadioButton\"
553 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
554
555 }
556 }
557
558 function initialize_user_prefs($uid, $profile = false) {
559
560 $uid = db_escape_string($uid);
561
562 if (!$profile) {
563 $profile = "NULL";
564 $profile_qpart = "AND profile IS NULL";
565 } else {
566 $profile_qpart = "AND profile = '$profile'";
567 }
568
569 if (get_schema_version() < 63) $profile_qpart = "";
570
571 db_query("BEGIN");
572
573 $result = db_query("SELECT pref_name,def_value FROM ttrss_prefs");
574
575 $u_result = db_query("SELECT pref_name
576 FROM ttrss_user_prefs WHERE owner_uid = '$uid' $profile_qpart");
577
578 $active_prefs = array();
579
580 while ($line = db_fetch_assoc($u_result)) {
581 array_push($active_prefs, $line["pref_name"]);
582 }
583
584 while ($line = db_fetch_assoc($result)) {
585 if (array_search($line["pref_name"], $active_prefs) === FALSE) {
586 // print "adding " . $line["pref_name"] . "<br>";
587
588 $line["def_value"] = db_escape_string($line["def_value"]);
589 $line["pref_name"] = db_escape_string($line["pref_name"]);
590
591 if (get_schema_version() < 63) {
592 db_query("INSERT INTO ttrss_user_prefs
593 (owner_uid,pref_name,value) VALUES
594 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
595
596 } else {
597 db_query("INSERT INTO ttrss_user_prefs
598 (owner_uid,pref_name,value, profile) VALUES
599 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."', $profile)");
600 }
601
602 }
603 }
604
605 db_query("COMMIT");
606
607 }
608
609 function get_ssl_certificate_id() {
610 if ($_SERVER["REDIRECT_SSL_CLIENT_M_SERIAL"]) {
611 return sha1($_SERVER["REDIRECT_SSL_CLIENT_M_SERIAL"] .
612 $_SERVER["REDIRECT_SSL_CLIENT_V_START"] .
613 $_SERVER["REDIRECT_SSL_CLIENT_V_END"] .
614 $_SERVER["REDIRECT_SSL_CLIENT_S_DN"]);
615 }
616 return "";
617 }
618
619 function authenticate_user($login, $password, $check_only = false) {
620
621 if (!SINGLE_USER_MODE) {
622 $user_id = false;
623
624 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_AUTH_USER) as $plugin) {
625
626 $user_id = (int) $plugin->authenticate($login, $password);
627
628 if ($user_id) {
629 $_SESSION["auth_module"] = strtolower(get_class($plugin));
630 break;
631 }
632 }
633
634 if ($user_id && !$check_only) {
635 @session_start();
636
637 $_SESSION["uid"] = $user_id;
638 $_SESSION["version"] = VERSION;
639
640 $result = db_query("SELECT login,access_level,pwd_hash FROM ttrss_users
641 WHERE id = '$user_id'");
642
643 $_SESSION["name"] = db_fetch_result($result, 0, "login");
644 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
645 $_SESSION["csrf_token"] = sha1(uniqid(rand(), true));
646
647 db_query("UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
648 $_SESSION["uid"]);
649
650 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
651 $_SESSION["user_agent"] = sha1($_SERVER['HTTP_USER_AGENT']);
652 $_SESSION["pwd_hash"] = db_fetch_result($result, 0, "pwd_hash");
653
654 $_SESSION["last_version_check"] = time();
655
656 initialize_user_prefs($_SESSION["uid"]);
657
658 return true;
659 }
660
661 return false;
662
663 } else {
664
665 $_SESSION["uid"] = 1;
666 $_SESSION["name"] = "admin";
667 $_SESSION["access_level"] = 10;
668
669 $_SESSION["hide_hello"] = true;
670 $_SESSION["hide_logout"] = true;
671
672 $_SESSION["auth_module"] = false;
673
674 if (!$_SESSION["csrf_token"]) {
675 $_SESSION["csrf_token"] = sha1(uniqid(rand(), true));
676 }
677
678 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
679
680 initialize_user_prefs($_SESSION["uid"]);
681
682 return true;
683 }
684 }
685
686 function make_password($length = 8) {
687
688 $password = "";
689 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
690
691 $i = 0;
692
693 while ($i < $length) {
694 $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
695
696 if (!strstr($password, $char)) {
697 $password .= $char;
698 $i++;
699 }
700 }
701 return $password;
702 }
703
704 // this is called after user is created to initialize default feeds, labels
705 // or whatever else
706
707 // user preferences are checked on every login, not here
708
709 function initialize_user($uid) {
710
711 db_query("insert into ttrss_feeds (owner_uid,title,feed_url)
712 values ('$uid', 'Tiny Tiny RSS: New Releases',
713 'http://tt-rss.org/releases.rss')");
714
715 db_query("insert into ttrss_feeds (owner_uid,title,feed_url)
716 values ('$uid', 'Tiny Tiny RSS: Forum',
717 'http://tt-rss.org/forum/rss.php')");
718 }
719
720 function logout_user() {
721 session_destroy();
722 if (isset($_COOKIE[session_name()])) {
723 setcookie(session_name(), '', time()-42000, '/');
724 }
725 }
726
727 function validate_csrf($csrf_token) {
728 return $csrf_token == $_SESSION['csrf_token'];
729 }
730
731 function load_user_plugins($owner_uid) {
732 if ($owner_uid) {
733 $plugins = get_pref("_ENABLED_PLUGINS", $owner_uid);
734
735 PluginHost::getInstance()->load($plugins, PluginHost::KIND_USER, $owner_uid);
736
737 if (get_schema_version() > 100) {
738 PluginHost::getInstance()->load_data();
739 }
740 }
741 }
742
743 function login_sequence() {
744 if (SINGLE_USER_MODE) {
745 @session_start();
746 authenticate_user("admin", null);
747 load_user_plugins($_SESSION["uid"]);
748 } else {
749 if (!validate_session()) $_SESSION["uid"] = false;
750
751 if (!$_SESSION["uid"]) {
752
753 if (AUTH_AUTO_LOGIN && authenticate_user(null, null)) {
754 $_SESSION["ref_schema_version"] = get_schema_version(true);
755 } else {
756 authenticate_user(null, null, true);
757 }
758
759 if (!$_SESSION["uid"]) {
760 @session_destroy();
761 setcookie(session_name(), '', time()-42000, '/');
762
763 render_login_form();
764 exit;
765 }
766
767 } else {
768 /* bump login timestamp */
769 db_query("UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
770 $_SESSION["uid"]);
771 $_SESSION["last_login_update"] = time();
772 }
773
774 if ($_SESSION["uid"] && $_SESSION["language"] && SESSION_COOKIE_LIFETIME > 0) {
775 setcookie("ttrss_lang", $_SESSION["language"],
776 time() + SESSION_COOKIE_LIFETIME);
777 }
778
779 if ($_SESSION["uid"]) {
780 load_user_plugins($_SESSION["uid"]);
781
782 /* cleanup ccache */
783
784 db_query("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("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($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('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($user_timestamp,
854 $tz_offset, $owner_uid);
855 } else {
856 if ($long)
857 $format = get_pref('LONG_DATE_FORMAT', $owner_uid);
858 else
859 $format = get_pref('SHORT_DATE_FORMAT', $owner_uid);
860
861 return date($format, $user_timestamp);
862 }
863 }
864
865 function smart_date_time($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('SHORT_DATE_FORMAT', $owner_uid);
872 return date($format, $timestamp);
873 } else {
874 $format = get_pref('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($nocache = false) {
899 global $schema_version;
900
901 if (!$schema_version) {
902 $result = db_query("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() {
912 require_once 'errors.php';
913
914 $error_code = 0;
915 $schema_version = get_schema_version(true);
916
917 if ($schema_version != SCHEMA_VERSION) {
918 $error_code = 5;
919 }
920
921 if (DB_TYPE == "mysql") {
922 $result = db_query("SELECT true", false);
923 if (db_num_rows($result) != 1) {
924 $error_code = 10;
925 }
926 }
927
928 if (db_escape_string("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($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 $children = getChildCategories($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("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("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("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("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("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("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("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("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("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 $date_qpart) as tmp)");
1116
1117 }
1118
1119 ccache_update($feed, $owner_uid, $cat_view);
1120
1121 } else { // tag
1122 db_query("UPDATE ttrss_user_entries
1123 SET unread = false, last_read = NOW() WHERE ref_id IN
1124 (SELECT id FROM
1125 (SELECT ttrss_entries.id FROM ttrss_entries, ttrss_user_entries, ttrss_tags WHERE ref_id = ttrss_entries.id
1126 AND post_int_id = int_id AND tag_name = '$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() {
1133 $data = getGlobalCounters();
1134
1135 $data = array_merge($data, getVirtCounters());
1136 $data = array_merge($data, getLabelCounters());
1137 $data = array_merge($data, getFeedCounters($active_feed));
1138 $data = array_merge($data, getCategoryCounters());
1139
1140 return $data;
1141 }
1142
1143 function getCategoryTitle($cat_id) {
1144
1145 if ($cat_id == -1) {
1146 return __("Special");
1147 } else if ($cat_id == -2) {
1148 return __("Labels");
1149 } else {
1150
1151 $result = db_query("SELECT title FROM ttrss_feed_categories WHERE
1152 id = '$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() {
1164 $ret_arr = array();
1165
1166 /* Labels category */
1167
1168 $cv = array("id" => -2, "kind" => "cat",
1169 "counter" => getCategoryUnread(-2));
1170
1171 array_push($ret_arr, $cv);
1172
1173 $result = db_query("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 $child_counter = getCategoryChildrenUnread($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(0, $_SESSION["uid"], true));
1200
1201 array_push($ret_arr, $cv);
1202
1203 return $ret_arr;
1204 }
1205
1206 // only accepts real cats (>= 0)
1207 function getCategoryChildrenUnread($cat, $owner_uid = false) {
1208 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1209
1210 $result = db_query("SELECT id FROM ttrss_feed_categories WHERE parent_cat = '$cat'
1211 AND owner_uid = $owner_uid");
1212
1213 $unread = 0;
1214
1215 while ($line = db_fetch_assoc($result)) {
1216 $unread += getCategoryUnread($line["id"], $owner_uid);
1217 $unread += getCategoryChildrenUnread($line["id"], $owner_uid);
1218 }
1219
1220 return $unread;
1221 }
1222
1223 function getCategoryUnread($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("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 $result = db_query("SELECT COUNT(int_id) AS unread
1248 FROM ttrss_user_entries
1249 WHERE unread = true AND ($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(-1) + getFeedUnread($link, -2) + getFeedUnread($link, -3) + getFeedUnread($link, 0);
1262 } else if ($cat == -2) {
1263
1264 $result = db_query("
1265 SELECT COUNT(unread) AS unread FROM
1266 ttrss_user_entries, ttrss_user_labels2
1267 WHERE article_id = ref_id AND unread = true
1268 AND ttrss_user_entries.owner_uid = '$owner_uid'");
1269
1270 $unread = db_fetch_result($result, 0, "unread");
1271
1272 return $unread;
1273
1274 }
1275 }
1276
1277 function getFeedUnread($feed, $is_cat = false) {
1278 return getFeedArticles($feed, $is_cat, true, $_SESSION["uid"]);
1279 }
1280
1281 function getLabelUnread($label_id, $owner_uid = false) {
1282 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1283
1284 $result = db_query("SELECT COUNT(ref_id) AS unread FROM ttrss_user_entries, ttrss_user_labels2
1285 WHERE owner_uid = '$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($result, 0, "unread");
1289 } else {
1290 return 0;
1291 }
1292 }
1293
1294 function getFeedArticles($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($n_feed, $owner_uid);
1310 } else if ($n_feed == -6) {
1311 return 0;
1312 } else if ($feed != "0" && $n_feed == 0) {
1313
1314 $feed = db_escape_string($feed);
1315
1316 $result = db_query("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("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($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 $result = db_query($query);
1373
1374 } else {
1375
1376 $result = db_query("SELECT COUNT(post_int_id) AS unread
1377 FROM ttrss_tags,ttrss_user_entries,ttrss_entries
1378 WHERE tag_name = '$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 $unread;
1385 }
1386
1387 function getGlobalUnread($user_id = false) {
1388
1389 if (!$user_id) {
1390 $user_id = $_SESSION["uid"];
1391 }
1392
1393 $result = db_query("SELECT SUM(value) AS c_id FROM ttrss_counters_cache
1394 WHERE owner_uid = '$user_id' AND feed_id > 0");
1395
1396 $c_id = db_fetch_result($result, 0, "c_id");
1397
1398 return $c_id;
1399 }
1400
1401 function getGlobalCounters($global_unread = -1) {
1402 $ret_arr = array();
1403
1404 if ($global_unread == -1) {
1405 $global_unread = getGlobalUnread();
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("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() {
1427
1428 $ret_arr = array();
1429
1430 for ($i = 0; $i >= -4; $i--) {
1431
1432 $count = getFeedUnread($i);
1433
1434 $cv = array("id" => $i,
1435 "counter" => (int) $count);
1436
1437 // if (get_pref('EXTENDED_FEEDLIST'))
1438 // $cv["xmsg"] = getFeedArticles($i)." ".__("total");
1439
1440 array_push($ret_arr, $cv);
1441 }
1442
1443 $feeds = PluginHost::getInstance()->get_feeds(-1);
1444
1445 if (is_array($feeds)) {
1446 foreach ($feeds as $feed) {
1447 $cv = array("id" => PluginHost::pfeed_to_feed_id($feed['id']),
1448 "counter" => $feed['sender']->get_unread($feed['id']));
1449 array_push($ret_arr, $cv);
1450 }
1451 }
1452
1453 return $ret_arr;
1454 }
1455
1456 function getLabelCounters($descriptions = false) {
1457
1458 $ret_arr = array();
1459
1460 $owner_uid = $_SESSION["uid"];
1461
1462 $result = db_query("SELECT id,caption,COUNT(unread) AS unread
1463 FROM ttrss_labels2 LEFT JOIN ttrss_user_labels2 ON
1464 (ttrss_labels2.id = label_id)
1465 LEFT JOIN ttrss_user_entries ON (ref_id = article_id AND unread = true
1466 AND ttrss_user_entries.owner_uid = $owner_uid)
1467 WHERE ttrss_labels2.owner_uid = $owner_uid GROUP BY ttrss_labels2.id,
1468 ttrss_labels2.caption");
1469
1470 while ($line = db_fetch_assoc($result)) {
1471
1472 $id = label_to_feed_id($line["id"]);
1473
1474 $label_name = $line["caption"];
1475 $count = $line["unread"];
1476
1477 $cv = array("id" => $id,
1478 "counter" => (int) $count);
1479
1480 if ($descriptions)
1481 $cv["description"] = $label_name;
1482
1483 // if (get_pref('EXTENDED_FEEDLIST'))
1484 // $cv["xmsg"] = getFeedArticles($id)." ".__("total");
1485
1486 array_push($ret_arr, $cv);
1487 }
1488
1489 return $ret_arr;
1490 }
1491
1492 function getFeedCounters($active_feed = false) {
1493
1494 $ret_arr = array();
1495
1496 $query = "SELECT ttrss_feeds.id,
1497 ttrss_feeds.title,
1498 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
1499 last_error, value AS count
1500 FROM ttrss_feeds, ttrss_counters_cache
1501 WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
1502 AND ttrss_counters_cache.owner_uid = ttrss_feeds.owner_uid
1503 AND ttrss_counters_cache.feed_id = id";
1504
1505 $result = db_query($query);
1506 $fctrs_modified = false;
1507
1508 while ($line = db_fetch_assoc($result)) {
1509
1510 $id = $line["id"];
1511 $count = $line["count"];
1512 $last_error = htmlspecialchars($line["last_error"]);
1513
1514 $last_updated = make_local_datetime($line['last_updated'], false);
1515
1516 $has_img = feed_has_icon($id);
1517
1518 if (date('Y') - date('Y', strtotime($line['last_updated'])) > 2)
1519 $last_updated = '';
1520
1521 $cv = array("id" => $id,
1522 "updated" => $last_updated,
1523 "counter" => (int) $count,
1524 "has_img" => (int) $has_img);
1525
1526 if ($last_error)
1527 $cv["error"] = $last_error;
1528
1529 // if (get_pref('EXTENDED_FEEDLIST'))
1530 // $cv["xmsg"] = getFeedArticles($id)." ".__("total");
1531
1532 if ($active_feed && $id == $active_feed)
1533 $cv["title"] = truncate_string($line["title"], 30);
1534
1535 array_push($ret_arr, $cv);
1536
1537 }
1538
1539 return $ret_arr;
1540 }
1541
1542 function get_pgsql_version() {
1543 $result = db_query("SELECT version() AS version");
1544 $version = explode(" ", db_fetch_result($result, 0, "version"));
1545 return $version[1];
1546 }
1547
1548 /**
1549 * @return array (code => Status code, message => error message if available)
1550 *
1551 * 0 - OK, Feed already exists
1552 * 1 - OK, Feed added
1553 * 2 - Invalid URL
1554 * 3 - URL content is HTML, no feeds available
1555 * 4 - URL content is HTML which contains multiple feeds.
1556 * Here you should call extractfeedurls in rpc-backend
1557 * to get all possible feeds.
1558 * 5 - Couldn't download the URL content.
1559 */
1560 function subscribe_to_feed($url, $cat_id = 0,
1561 $auth_login = '', $auth_pass = '') {
1562
1563 global $fetch_last_error;
1564
1565 require_once "include/rssfuncs.php";
1566
1567 $url = fix_url($url);
1568
1569 if (!$url || !validate_feed_url($url)) return array("code" => 2);
1570
1571 $contents = @fetch_file_contents($url, false, $auth_login, $auth_pass);
1572
1573 if (!$contents) {
1574 return array("code" => 5, "message" => $fetch_last_error);
1575 }
1576
1577 if (is_html($contents)) {
1578 $feedUrls = get_feeds_from_html($url, $contents);
1579
1580 if (count($feedUrls) == 0) {
1581 return array("code" => 3);
1582 } else if (count($feedUrls) > 1) {
1583 return array("code" => 4, "feeds" => $feedUrls);
1584 }
1585 //use feed url as new URL
1586 $url = key($feedUrls);
1587 }
1588
1589 if ($cat_id == "0" || !$cat_id) {
1590 $cat_qpart = "NULL";
1591 } else {
1592 $cat_qpart = "'$cat_id'";
1593 }
1594
1595 $result = db_query(
1596 "SELECT id FROM ttrss_feeds
1597 WHERE feed_url = '$url' AND owner_uid = ".$_SESSION["uid"]);
1598
1599 if (strlen(FEED_CRYPT_KEY) > 0) {
1600 require_once "crypt.php";
1601 $auth_pass = substr(encrypt_string($auth_pass), 0, 250);
1602 $auth_pass_encrypted = 'true';
1603 } else {
1604 $auth_pass_encrypted = 'false';
1605 }
1606
1607 $auth_pass = db_escape_string($auth_pass);
1608
1609 if (db_num_rows($result) == 0) {
1610 $result = db_query(
1611 "INSERT INTO ttrss_feeds
1612 (owner_uid,feed_url,title,cat_id, auth_login,auth_pass,update_method,auth_pass_encrypted)
1613 VALUES ('".$_SESSION["uid"]."', '$url',
1614 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass', 0, $auth_pass_encrypted)");
1615
1616 $result = db_query(
1617 "SELECT id FROM ttrss_feeds WHERE feed_url = '$url'
1618 AND owner_uid = " . $_SESSION["uid"]);
1619
1620 $feed_id = db_fetch_result($result, 0, "id");
1621
1622 if ($feed_id) {
1623 update_rss_feed($feed_id, true);
1624 }
1625
1626 return array("code" => 1);
1627 } else {
1628 return array("code" => 0);
1629 }
1630 }
1631
1632 function print_feed_select($id, $default_id = "",
1633 $attributes = "", $include_all_feeds = true,
1634 $root_id = false, $nest_level = 0) {
1635
1636 if (!$root_id) {
1637 print "<select id=\"$id\" name=\"$id\" $attributes>";
1638 if ($include_all_feeds) {
1639 $is_selected = ("0" == $default_id) ? "selected=\"1\"" : "";
1640 print "<option $is_selected value=\"0\">".__('All feeds')."</option>";
1641 }
1642 }
1643
1644 if (get_pref('ENABLE_FEED_CATS')) {
1645
1646 if ($root_id)
1647 $parent_qpart = "parent_cat = '$root_id'";
1648 else
1649 $parent_qpart = "parent_cat IS NULL";
1650
1651 $result = db_query("SELECT id,title,
1652 (SELECT COUNT(id) FROM ttrss_feed_categories AS c2 WHERE
1653 c2.parent_cat = ttrss_feed_categories.id) AS num_children
1654 FROM ttrss_feed_categories
1655 WHERE owner_uid = ".$_SESSION["uid"]." AND $parent_qpart ORDER BY title");
1656
1657 while ($line = db_fetch_assoc($result)) {
1658
1659 for ($i = 0; $i < $nest_level; $i++)
1660 $line["title"] = " - " . $line["title"];
1661
1662 $is_selected = ("CAT:".$line["id"] == $default_id) ? "selected=\"1\"" : "";
1663
1664 printf("<option $is_selected value='CAT:%d'>%s</option>",
1665 $line["id"], htmlspecialchars($line["title"]));
1666
1667 if ($line["num_children"] > 0)
1668 print_feed_select($id, $default_id, $attributes,
1669 $include_all_feeds, $line["id"], $nest_level+1);
1670
1671 $feed_result = db_query("SELECT id,title FROM ttrss_feeds
1672 WHERE cat_id = '".$line["id"]."' AND owner_uid = ".$_SESSION["uid"] . " ORDER BY title");
1673
1674 while ($fline = db_fetch_assoc($feed_result)) {
1675 $is_selected = ($fline["id"] == $default_id) ? "selected=\"1\"" : "";
1676
1677 $fline["title"] = " + " . $fline["title"];
1678
1679 for ($i = 0; $i < $nest_level; $i++)
1680 $fline["title"] = " - " . $fline["title"];
1681
1682 printf("<option $is_selected value='%d'>%s</option>",
1683 $fline["id"], htmlspecialchars($fline["title"]));
1684 }
1685 }
1686
1687 if (!$root_id) {
1688 $is_selected = ($default_id == "CAT:0") ? "selected=\"1\"" : "";
1689
1690 printf("<option $is_selected value='CAT:0'>%s</option>",
1691 __("Uncategorized"));
1692
1693 $feed_result = db_query("SELECT id,title FROM ttrss_feeds
1694 WHERE cat_id IS NULL AND owner_uid = ".$_SESSION["uid"] . " ORDER BY title");
1695
1696 while ($fline = db_fetch_assoc($feed_result)) {
1697 $is_selected = ($fline["id"] == $default_id && !$default_is_cat) ? "selected=\"1\"" : "";
1698
1699 $fline["title"] = " + " . $fline["title"];
1700
1701 for ($i = 0; $i < $nest_level; $i++)
1702 $fline["title"] = " - " . $fline["title"];
1703
1704 printf("<option $is_selected value='%d'>%s</option>",
1705 $fline["id"], htmlspecialchars($fline["title"]));
1706 }
1707 }
1708
1709 } else {
1710 $result = db_query("SELECT id,title FROM ttrss_feeds
1711 WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
1712
1713 while ($line = db_fetch_assoc($result)) {
1714
1715 $is_selected = ($line["id"] == $default_id) ? "selected=\"1\"" : "";
1716
1717 printf("<option $is_selected value='%d'>%s</option>",
1718 $line["id"], htmlspecialchars($line["title"]));
1719 }
1720 }
1721
1722 if (!$root_id) {
1723 print "</select>";
1724 }
1725 }
1726
1727 function print_feed_cat_select($id, $default_id,
1728 $attributes, $include_all_cats = true, $root_id = false, $nest_level = 0) {
1729
1730 if (!$root_id) {
1731 print "<select id=\"$id\" name=\"$id\" default=\"$default_id\" onchange=\"catSelectOnChange(this)\" $attributes>";
1732 }
1733
1734 if ($root_id)
1735 $parent_qpart = "parent_cat = '$root_id'";
1736 else
1737 $parent_qpart = "parent_cat IS NULL";
1738
1739 $result = db_query("SELECT id,title,
1740 (SELECT COUNT(id) FROM ttrss_feed_categories AS c2 WHERE
1741 c2.parent_cat = ttrss_feed_categories.id) AS num_children
1742 FROM ttrss_feed_categories
1743 WHERE owner_uid = ".$_SESSION["uid"]." AND $parent_qpart ORDER BY title");
1744
1745 while ($line = db_fetch_assoc($result)) {
1746 if ($line["id"] == $default_id) {
1747 $is_selected = "selected=\"1\"";
1748 } else {
1749 $is_selected = "";
1750 }
1751
1752 for ($i = 0; $i < $nest_level; $i++)
1753 $line["title"] = " - " . $line["title"];
1754
1755 if ($line["title"])
1756 printf("<option $is_selected value='%d'>%s</option>",
1757 $line["id"], htmlspecialchars($line["title"]));
1758
1759 if ($line["num_children"] > 0)
1760 print_feed_cat_select($id, $default_id, $attributes,
1761 $include_all_cats, $line["id"], $nest_level+1);
1762 }
1763
1764 if (!$root_id) {
1765 if ($include_all_cats) {
1766 if (db_num_rows($result) > 0) {
1767 print "<option disabled=\"1\">--------</option>";
1768 }
1769
1770 if ($default_id == 0) {
1771 $is_selected = "selected=\"1\"";
1772 } else {
1773 $is_selected = "";
1774 }
1775
1776 print "<option $is_selected value=\"0\">".__('Uncategorized')."</option>";
1777 }
1778 print "</select>";
1779 }
1780 }
1781
1782 function checkbox_to_sql_bool($val) {
1783 return ($val == "on") ? "true" : "false";
1784 }
1785
1786 function getFeedCatTitle($id) {
1787 if ($id == -1) {
1788 return __("Special");
1789 } else if ($id < LABEL_BASE_INDEX) {
1790 return __("Labels");
1791 } else if ($id > 0) {
1792 $result = db_query("SELECT ttrss_feed_categories.title
1793 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
1794 cat_id = ttrss_feed_categories.id");
1795 if (db_num_rows($result) == 1) {
1796 return db_fetch_result($result, 0, "title");
1797 } else {
1798 return __("Uncategorized");
1799 }
1800 } else {
1801 return "getFeedCatTitle($id) failed";
1802 }
1803
1804 }
1805
1806 function getFeedIcon($id) {
1807 switch ($id) {
1808 case 0:
1809 return "images/archive.png";
1810 break;
1811 case -1:
1812 return "images/mark_set.svg";
1813 break;
1814 case -2:
1815 return "images/pub_set.svg";
1816 break;
1817 case -3:
1818 return "images/fresh.png";
1819 break;
1820 case -4:
1821 return "images/tag.png";
1822 break;
1823 case -6:
1824 return "images/recently_read.png";
1825 break;
1826 default:
1827 if ($id < LABEL_BASE_INDEX) {
1828 return "images/label.png";
1829 } else {
1830 if (file_exists(ICONS_DIR . "/$id.ico"))
1831 return ICONS_URL . "/$id.ico";
1832 }
1833 break;
1834 }
1835
1836 return false;
1837 }
1838
1839 function getFeedTitle($id, $cat = false) {
1840 if ($cat) {
1841 return getCategoryTitle($id);
1842 } else if ($id == -1) {
1843 return __("Starred articles");
1844 } else if ($id == -2) {
1845 return __("Published articles");
1846 } else if ($id == -3) {
1847 return __("Fresh articles");
1848 } else if ($id == -4) {
1849 return __("All articles");
1850 } else if ($id === 0 || $id === "0") {
1851 return __("Archived articles");
1852 } else if ($id == -6) {
1853 return __("Recently read");
1854 } else if ($id < LABEL_BASE_INDEX) {
1855 $label_id = feed_to_label_id($id);
1856 $result = db_query("SELECT caption FROM ttrss_labels2 WHERE id = '$label_id'");
1857 if (db_num_rows($result) == 1) {
1858 return db_fetch_result($result, 0, "caption");
1859 } else {
1860 return "Unknown label ($label_id)";
1861 }
1862
1863 } else if (is_numeric($id) && $id > 0) {
1864 $result = db_query("SELECT title FROM ttrss_feeds WHERE id = '$id'");
1865 if (db_num_rows($result) == 1) {
1866 return db_fetch_result($result, 0, "title");
1867 } else {
1868 return "Unknown feed ($id)";
1869 }
1870 } else {
1871 return $id;
1872 }
1873 }
1874
1875 function make_init_params() {
1876 $params = array();
1877
1878 foreach (array("ON_CATCHUP_SHOW_NEXT_FEED", "HIDE_READ_FEEDS",
1879 "ENABLE_FEED_CATS", "FEEDS_SORT_BY_UNREAD", "CONFIRM_FEED_CATCHUP",
1880 "CDM_AUTO_CATCHUP", "FRESH_ARTICLE_MAX_AGE",
1881 "HIDE_READ_SHOWS_SPECIAL", "COMBINED_DISPLAY_MODE") as $param) {
1882
1883 $params[strtolower($param)] = (int) get_pref($param);
1884 }
1885
1886 $params["icons_url"] = ICONS_URL;
1887 $params["cookie_lifetime"] = SESSION_COOKIE_LIFETIME;
1888 $params["default_view_mode"] = get_pref("_DEFAULT_VIEW_MODE");
1889 $params["default_view_limit"] = (int) get_pref("_DEFAULT_VIEW_LIMIT");
1890 $params["default_view_order_by"] = get_pref("_DEFAULT_VIEW_ORDER_BY");
1891 $params["bw_limit"] = (int) $_SESSION["bw_limit"];
1892 $params["label_base_index"] = (int) LABEL_BASE_INDEX;
1893
1894 $result = db_query("SELECT MAX(id) AS mid, COUNT(*) AS nf FROM
1895 ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
1896
1897 $max_feed_id = db_fetch_result($result, 0, "mid");
1898 $num_feeds = db_fetch_result($result, 0, "nf");
1899
1900 $params["max_feed_id"] = (int) $max_feed_id;
1901 $params["num_feeds"] = (int) $num_feeds;
1902
1903 $params["collapsed_feedlist"] = (int) get_pref("_COLLAPSED_FEEDLIST");
1904 $params["hotkeys"] = get_hotkeys_map();
1905
1906 $params["csrf_token"] = $_SESSION["csrf_token"];
1907 $params["widescreen"] = (int) $_COOKIE["ttrss_widescreen"];
1908
1909 $params['simple_update'] = defined('SIMPLE_UPDATE_MODE') && SIMPLE_UPDATE_MODE;
1910
1911 return $params;
1912 }
1913
1914 function get_hotkeys_info() {
1915 $hotkeys = array(
1916 __("Navigation") => array(
1917 "next_feed" => __("Open next feed"),
1918 "prev_feed" => __("Open previous feed"),
1919 "next_article" => __("Open next article"),
1920 "prev_article" => __("Open previous article"),
1921 "next_article_noscroll" => __("Open next article (don't scroll long articles)"),
1922 "prev_article_noscroll" => __("Open previous article (don't scroll long articles)"),
1923 "next_article_noexpand" => __("Move to next article (don't expand or mark read)"),
1924 "prev_article_noexpand" => __("Move to previous article (don't expand or mark read)"),
1925 "search_dialog" => __("Show search dialog")),
1926 __("Article") => array(
1927 "toggle_mark" => __("Toggle starred"),
1928 "toggle_publ" => __("Toggle published"),
1929 "toggle_unread" => __("Toggle unread"),
1930 "edit_tags" => __("Edit tags"),
1931 "dismiss_selected" => __("Dismiss selected"),
1932 "dismiss_read" => __("Dismiss read"),
1933 "open_in_new_window" => __("Open in new window"),
1934 "catchup_below" => __("Mark below as read"),
1935 "catchup_above" => __("Mark above as read"),
1936 "article_scroll_down" => __("Scroll down"),
1937 "article_scroll_up" => __("Scroll up"),
1938 "select_article_cursor" => __("Select article under cursor"),
1939 "email_article" => __("Email article"),
1940 "close_article" => __("Close/collapse article"),
1941 "toggle_expand" => __("Toggle article expansion (combined mode)"),
1942 "toggle_widescreen" => __("Toggle widescreen mode"),
1943 "toggle_embed_original" => __("Toggle embed original")),
1944 __("Article selection") => array(
1945 "select_all" => __("Select all articles"),
1946 "select_unread" => __("Select unread"),
1947 "select_marked" => __("Select starred"),
1948 "select_published" => __("Select published"),
1949 "select_invert" => __("Invert selection"),
1950 "select_none" => __("Deselect everything")),
1951 __("Feed") => array(
1952 "feed_refresh" => __("Refresh current feed"),
1953 "feed_unhide_read" => __("Un/hide read feeds"),
1954 "feed_subscribe" => __("Subscribe to feed"),
1955 "feed_edit" => __("Edit feed"),
1956 "feed_catchup" => __("Mark as read"),
1957 "feed_reverse" => __("Reverse headlines"),
1958 "feed_debug_update" => __("Debug feed update"),
1959 "catchup_all" => __("Mark all feeds as read"),
1960 "cat_toggle_collapse" => __("Un/collapse current category"),
1961 "toggle_combined_mode" => __("Toggle combined mode"),
1962 "toggle_cdm_expanded" => __("Toggle auto expand in combined mode")),
1963 __("Go to") => array(
1964 "goto_all" => __("All articles"),
1965 "goto_fresh" => __("Fresh"),
1966 "goto_marked" => __("Starred"),
1967 "goto_published" => __("Published"),
1968 "goto_tagcloud" => __("Tag cloud"),
1969 "goto_prefs" => __("Preferences")),
1970 __("Other") => array(
1971 "create_label" => __("Create label"),
1972 "create_filter" => __("Create filter"),
1973 "collapse_sidebar" => __("Un/collapse sidebar"),
1974 "help_dialog" => __("Show help dialog"))
1975 );
1976
1977 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_HOTKEY_INFO) as $plugin) {
1978 $hotkeys = $plugin->hook_hotkey_info($hotkeys);
1979 }
1980
1981 return $hotkeys;
1982 }
1983
1984 function get_hotkeys_map() {
1985 $hotkeys = array(
1986 // "navigation" => array(
1987 "k" => "next_feed",
1988 "j" => "prev_feed",
1989 "n" => "next_article",
1990 "p" => "prev_article",
1991 "(38)|up" => "prev_article",
1992 "(40)|down" => "next_article",
1993 // "^(38)|Ctrl-up" => "prev_article_noscroll",
1994 // "^(40)|Ctrl-down" => "next_article_noscroll",
1995 "(191)|/" => "search_dialog",
1996 // "article" => array(
1997 "s" => "toggle_mark",
1998 "*s" => "toggle_publ",
1999 "u" => "toggle_unread",
2000 "*t" => "edit_tags",
2001 "*d" => "dismiss_selected",
2002 "*x" => "dismiss_read",
2003 "o" => "open_in_new_window",
2004 "c p" => "catchup_below",
2005 "c n" => "catchup_above",
2006 "*n" => "article_scroll_down",
2007 "*p" => "article_scroll_up",
2008 "*(38)|Shift+up" => "article_scroll_up",
2009 "*(40)|Shift+down" => "article_scroll_down",
2010 "a *w" => "toggle_widescreen",
2011 "a e" => "toggle_embed_original",
2012 "e" => "email_article",
2013 "a q" => "close_article",
2014 // "article_selection" => array(
2015 "a a" => "select_all",
2016 "a u" => "select_unread",
2017 "a *u" => "select_marked",
2018 "a p" => "select_published",
2019 "a i" => "select_invert",
2020 "a n" => "select_none",
2021 // "feed" => array(
2022 "f r" => "feed_refresh",
2023 "f a" => "feed_unhide_read",
2024 "f s" => "feed_subscribe",
2025 "f e" => "feed_edit",
2026 "f q" => "feed_catchup",
2027 "f x" => "feed_reverse",
2028 "f *d" => "feed_debug_update",
2029 "f *c" => "toggle_combined_mode",
2030 "f c" => "toggle_cdm_expanded",
2031 "*q" => "catchup_all",
2032 "x" => "cat_toggle_collapse",
2033 // "goto" => array(
2034 "g a" => "goto_all",
2035 "g f" => "goto_fresh",
2036 "g s" => "goto_marked",
2037 "g p" => "goto_published",
2038 "g t" => "goto_tagcloud",
2039 "g *p" => "goto_prefs",
2040 // "other" => array(
2041 "(9)|Tab" => "select_article_cursor", // tab
2042 "c l" => "create_label",
2043 "c f" => "create_filter",
2044 "c s" => "collapse_sidebar",
2045 "^(191)|Ctrl+/" => "help_dialog",
2046 );
2047
2048 if (get_pref('COMBINED_DISPLAY_MODE')) {
2049 $hotkeys["^(38)|Ctrl-up"] = "prev_article_noscroll";
2050 $hotkeys["^(40)|Ctrl-down"] = "next_article_noscroll";
2051 }
2052
2053 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_HOTKEY_MAP) as $plugin) {
2054 $hotkeys = $plugin->hook_hotkey_map($hotkeys);
2055 }
2056
2057 $prefixes = array();
2058
2059 foreach (array_keys($hotkeys) as $hotkey) {
2060 $pair = explode(" ", $hotkey, 2);
2061
2062 if (count($pair) > 1 && !in_array($pair[0], $prefixes)) {
2063 array_push($prefixes, $pair[0]);
2064 }
2065 }
2066
2067 return array($prefixes, $hotkeys);
2068 }
2069
2070 function make_runtime_info() {
2071 $data = array();
2072
2073 $result = db_query("SELECT MAX(id) AS mid, COUNT(*) AS nf FROM
2074 ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2075
2076 $max_feed_id = db_fetch_result($result, 0, "mid");
2077 $num_feeds = db_fetch_result($result, 0, "nf");
2078
2079 $data["max_feed_id"] = (int) $max_feed_id;
2080 $data["num_feeds"] = (int) $num_feeds;
2081
2082 $data['last_article_id'] = getLastArticleId();
2083 $data['cdm_expanded'] = get_pref('CDM_EXPANDED');
2084
2085 $data['dep_ts'] = calculate_dep_timestamp();
2086 $data['reload_on_ts_change'] = !defined('_NO_RELOAD_ON_TS_CHANGE');
2087
2088 if (file_exists(LOCK_DIRECTORY . "/update_daemon.lock")) {
2089
2090 $data['daemon_is_running'] = (int) file_is_locked("update_daemon.lock");
2091
2092 if (time() - $_SESSION["daemon_stamp_check"] > 30) {
2093
2094 $stamp = (int) @file_get_contents(LOCK_DIRECTORY . "/update_daemon.stamp");
2095
2096 if ($stamp) {
2097 $stamp_delta = time() - $stamp;
2098
2099 if ($stamp_delta > 1800) {
2100 $stamp_check = 0;
2101 } else {
2102 $stamp_check = 1;
2103 $_SESSION["daemon_stamp_check"] = time();
2104 }
2105
2106 $data['daemon_stamp_ok'] = $stamp_check;
2107
2108 $stamp_fmt = date("Y.m.d, G:i", $stamp);
2109
2110 $data['daemon_stamp'] = $stamp_fmt;
2111 }
2112 }
2113 }
2114
2115 if ($_SESSION["last_version_check"] + 86400 + rand(-1000, 1000) < time()) {
2116 $new_version_details = @check_for_update();
2117
2118 $data['new_version_available'] = (int) ($new_version_details != false);
2119
2120 $_SESSION["last_version_check"] = time();
2121 $_SESSION["version_data"] = $new_version_details;
2122 }
2123
2124 return $data;
2125 }
2126
2127 function search_to_sql($search) {
2128
2129 $search_query_part = "";
2130
2131 $keywords = explode(" ", $search);
2132 $query_keywords = array();
2133
2134 foreach ($keywords as $k) {
2135 if (strpos($k, "-") === 0) {
2136 $k = substr($k, 1);
2137 $not = "NOT";
2138 } else {
2139 $not = "";
2140 }
2141
2142 $commandpair = explode(":", mb_strtolower($k), 2);
2143
2144 switch ($commandpair[0]) {
2145 case "title":
2146 if ($commandpair[1]) {
2147 array_push($query_keywords, "($not (LOWER(ttrss_entries.title) LIKE '%".
2148 db_escape_string(mb_strtolower($commandpair[1]))."%'))");
2149 } else {
2150 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2151 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2152 }
2153 break;
2154 case "author":
2155 if ($commandpair[1]) {
2156 array_push($query_keywords, "($not (LOWER(author) LIKE '%".
2157 db_escape_string(mb_strtolower($commandpair[1]))."%'))");
2158 } else {
2159 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2160 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2161 }
2162 break;
2163 case "note":
2164 if ($commandpair[1]) {
2165 if ($commandpair[1] == "true")
2166 array_push($query_keywords, "($not (note IS NOT NULL AND note != ''))");
2167 else if ($commandpair[1] == "false")
2168 array_push($query_keywords, "($not (note IS NULL OR note = ''))");
2169 else
2170 array_push($query_keywords, "($not (LOWER(note) LIKE '%".
2171 db_escape_string(mb_strtolower($commandpair[1]))."%'))");
2172 } else {
2173 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2174 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2175 }
2176 break;
2177 case "star":
2178
2179 if ($commandpair[1]) {
2180 if ($commandpair[1] == "true")
2181 array_push($query_keywords, "($not (marked = true))");
2182 else
2183 array_push($query_keywords, "($not (marked = false))");
2184 } else {
2185 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2186 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2187 }
2188 break;
2189 case "pub":
2190 if ($commandpair[1]) {
2191 if ($commandpair[1] == "true")
2192 array_push($query_keywords, "($not (published = true))");
2193 else
2194 array_push($query_keywords, "($not (published = false))");
2195
2196 } else {
2197 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2198 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2199 }
2200 break;
2201 default:
2202 if (strpos($k, "@") === 0) {
2203
2204 $user_tz_string = get_pref('USER_TIMEZONE', $_SESSION['uid']);
2205 $orig_ts = strtotime(substr($k, 1));
2206 $k = date("Y-m-d", convert_timestamp($orig_ts, $user_tz_string, 'UTC'));
2207
2208 //$k = date("Y-m-d", strtotime(substr($k, 1)));
2209
2210 array_push($query_keywords, "(".SUBSTRING_FOR_DATE."(updated,1,LENGTH('$k')) $not = '$k')");
2211 } else {
2212 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2213 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2214 }
2215 }
2216 }
2217
2218 $search_query_part = implode("AND", $query_keywords);
2219
2220 return $search_query_part;
2221 }
2222
2223 function getParentCategories($cat, $owner_uid) {
2224 $rv = array();
2225
2226 $result = db_query("SELECT parent_cat FROM ttrss_feed_categories
2227 WHERE id = '$cat' AND parent_cat IS NOT NULL AND owner_uid = $owner_uid");
2228
2229 while ($line = db_fetch_assoc($result)) {
2230 array_push($rv, $line["parent_cat"]);
2231 $rv = array_merge($rv, getParentCategories($line["parent_cat"], $owner_uid));
2232 }
2233
2234 return $rv;
2235 }
2236
2237 function getChildCategories($cat, $owner_uid) {
2238 $rv = array();
2239
2240 $result = db_query("SELECT id FROM ttrss_feed_categories
2241 WHERE parent_cat = '$cat' AND owner_uid = $owner_uid");
2242
2243 while ($line = db_fetch_assoc($result)) {
2244 array_push($rv, $line["id"]);
2245 $rv = array_merge($rv, getChildCategories($line["id"], $owner_uid));
2246 }
2247
2248 return $rv;
2249 }
2250
2251 function queryFeedHeadlines($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, $ignore_vfeed_group = false) {
2252
2253 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2254
2255 $ext_tables_part = "";
2256
2257 if ($search) {
2258
2259 if (SPHINX_ENABLED) {
2260 $ids = join(",", @sphinx_search($search, 0, 500));
2261
2262 if ($ids)
2263 $search_query_part = "ref_id IN ($ids) AND ";
2264 else
2265 $search_query_part = "ref_id = -1 AND ";
2266
2267 } else {
2268 $search_query_part = search_to_sql($search);
2269 $search_query_part .= " AND ";
2270 }
2271
2272 } else {
2273 $search_query_part = "";
2274 }
2275
2276 if ($filter) {
2277
2278 if (DB_TYPE == "pgsql") {
2279 $query_strategy_part .= " AND updated > NOW() - INTERVAL '14 days' ";
2280 } else {
2281 $query_strategy_part .= " AND updated > DATE_SUB(NOW(), INTERVAL 14 DAY) ";
2282 }
2283
2284 $override_order = "updated DESC";
2285
2286 $filter_query_part = filter_to_sql($filter, $owner_uid);
2287
2288 // Try to check if SQL regexp implementation chokes on a valid regexp
2289 $result = db_query("SELECT true AS true_val FROM ttrss_entries,
2290 ttrss_user_entries, ttrss_feeds, ttrss_feed_categories
2291 WHERE $filter_query_part LIMIT 1", false);
2292
2293 if ($result) {
2294 $test = db_fetch_result($result, 0, "true_val");
2295
2296 if (!$test) {
2297 $filter_query_part = "false AND";
2298 } else {
2299 $filter_query_part .= " AND";
2300 }
2301 } else {
2302 $filter_query_part = "false AND";
2303 }
2304
2305 } else {
2306 $filter_query_part = "";
2307 }
2308
2309 if ($since_id) {
2310 $since_id_part = "ttrss_entries.id > $since_id AND ";
2311 } else {
2312 $since_id_part = "";
2313 }
2314
2315 $view_query_part = "";
2316
2317 if ($view_mode == "adaptive") {
2318 if ($search) {
2319 $view_query_part = " ";
2320 } else if ($feed != -1) {
2321
2322 $unread = getFeedUnread($feed, $cat_view);
2323
2324 if ($cat_view && $feed > 0 && $include_children)
2325 $unread += getCategoryChildrenUnread($feed);
2326
2327 if ($unread > 0)
2328 $view_query_part = " unread = true AND ";
2329
2330 }
2331 }
2332
2333 if ($view_mode == "marked") {
2334 $view_query_part = " marked = true AND ";
2335 }
2336
2337 if ($view_mode == "has_note") {
2338 $view_query_part = " (note IS NOT NULL AND note != '') AND ";
2339 }
2340
2341 if ($view_mode == "published") {
2342 $view_query_part = " published = true AND ";
2343 }
2344
2345 if ($view_mode == "unread" && $feed != -6) {
2346 $view_query_part = " unread = true AND ";
2347 }
2348
2349 if ($limit > 0) {
2350 $limit_query_part = "LIMIT " . $limit;
2351 }
2352
2353 $allow_archived = false;
2354
2355 $vfeed_query_part = "";
2356
2357 // override query strategy and enable feed display when searching globally
2358 if ($search && $search_mode == "all_feeds") {
2359 $query_strategy_part = "true";
2360 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2361 /* tags */
2362 } else if (!is_numeric($feed)) {
2363 $query_strategy_part = "true";
2364 $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
2365 id = feed_id) as feed_title,";
2366 } else if ($search && $search_mode == "this_cat") {
2367 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2368
2369 if ($feed > 0) {
2370 if ($include_children) {
2371 $subcats = getChildCategories($feed, $owner_uid);
2372 array_push($subcats, $feed);
2373 $cats_qpart = join(",", $subcats);
2374 } else {
2375 $cats_qpart = $feed;
2376 }
2377
2378 $query_strategy_part = "ttrss_feeds.cat_id IN ($cats_qpart)";
2379
2380 } else {
2381 $query_strategy_part = "ttrss_feeds.cat_id IS NULL";
2382 }
2383
2384 } else if ($feed > 0) {
2385
2386 if ($cat_view) {
2387
2388 if ($feed > 0) {
2389 if ($include_children) {
2390 # sub-cats
2391 $subcats = getChildCategories($feed, $owner_uid);
2392
2393 array_push($subcats, $feed);
2394 $query_strategy_part = "cat_id IN (".
2395 implode(",", $subcats).")";
2396
2397 } else {
2398 $query_strategy_part = "cat_id = '$feed'";
2399 }
2400
2401 } else {
2402 $query_strategy_part = "cat_id IS NULL";
2403 }
2404
2405 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2406
2407 } else {
2408 $query_strategy_part = "feed_id = '$feed'";
2409 }
2410 } else if ($feed == 0 && !$cat_view) { // archive virtual feed
2411 $query_strategy_part = "feed_id IS NULL";
2412 $allow_archived = true;
2413 } else if ($feed == 0 && $cat_view) { // uncategorized
2414 $query_strategy_part = "cat_id IS NULL AND feed_id IS NOT NULL";
2415 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2416 } else if ($feed == -1) { // starred virtual feed
2417 $query_strategy_part = "marked = true";
2418 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2419 $allow_archived = true;
2420
2421 if (!$override_order) {
2422 $override_order = "last_marked DESC, date_entered DESC, updated DESC";
2423 }
2424
2425 } else if ($feed == -2) { // published virtual feed OR labels category
2426
2427 if (!$cat_view) {
2428 $query_strategy_part = "published = true";
2429 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2430 $allow_archived = true;
2431
2432 if (!$override_order) {
2433 $override_order = "last_published DESC, date_entered DESC, updated DESC";
2434 }
2435
2436 } else {
2437 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2438
2439 $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
2440
2441 $query_strategy_part = "ttrss_labels2.id = ttrss_user_labels2.label_id AND
2442 ttrss_user_labels2.article_id = ref_id";
2443
2444 }
2445 } else if ($feed == -6) { // recently read
2446 $query_strategy_part = "unread = false AND last_read IS NOT NULL";
2447 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2448 $allow_archived = true;
2449
2450 if (!$override_order) $override_order = "last_read DESC";
2451 } else if ($feed == -3) { // fresh virtual feed
2452 $query_strategy_part = "unread = true AND score >= 0";
2453
2454 $intl = get_pref("FRESH_ARTICLE_MAX_AGE", $owner_uid);
2455
2456 if (DB_TYPE == "pgsql") {
2457 $query_strategy_part .= " AND date_entered > NOW() - INTERVAL '$intl hour' ";
2458 } else {
2459 $query_strategy_part .= " AND date_entered > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
2460 }
2461
2462 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2463 } else if ($feed == -4) { // all articles virtual feed
2464 $allow_archived = true;
2465 $query_strategy_part = "true";
2466 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2467 } else if ($feed <= LABEL_BASE_INDEX) { // labels
2468 $label_id = feed_to_label_id($feed);
2469
2470 $query_strategy_part = "label_id = '$label_id' AND
2471 ttrss_labels2.id = ttrss_user_labels2.label_id AND
2472 ttrss_user_labels2.article_id = ref_id";
2473
2474 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2475 $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
2476 $allow_archived = true;
2477
2478 } else {
2479 $query_strategy_part = "true";
2480 }
2481
2482 $order_by = "score DESC, date_entered DESC, updated DESC";
2483
2484 if ($view_mode == "unread_first") {
2485 $order_by = "unread DESC, $order_by";
2486 }
2487
2488 if ($override_order) {
2489 $order_by = $override_order;
2490 }
2491
2492 $feed_title = "";
2493
2494 if ($search) {
2495 $feed_title = T_sprintf("Search results: %s", $search);
2496 } else {
2497 if ($cat_view) {
2498 $feed_title = getCategoryTitle($feed);
2499 } else {
2500 if (is_numeric($feed) && $feed > 0) {
2501 $result = db_query("SELECT title,site_url,last_error
2502 FROM ttrss_feeds WHERE id = '$feed' AND owner_uid = $owner_uid");
2503
2504 $feed_title = db_fetch_result($result, 0, "title");
2505 $feed_site_url = db_fetch_result($result, 0, "site_url");
2506 $last_error = db_fetch_result($result, 0, "last_error");
2507 } else {
2508 $feed_title = getFeedTitle($feed);
2509 }
2510 }
2511 }
2512
2513 $content_query_part = "content as content_preview, cached_content, ";
2514
2515 if (is_numeric($feed)) {
2516
2517 if ($feed >= 0) {
2518 $feed_kind = "Feeds";
2519 } else {
2520 $feed_kind = "Labels";
2521 }
2522
2523 if ($limit_query_part) {
2524 $offset_query_part = "OFFSET $offset";
2525 }
2526
2527 // proper override_order applied above
2528 if ($vfeed_query_part && !$ignore_vfeed_group && get_pref('VFEED_GROUP_BY_FEED', $owner_uid)) {
2529 if (!$override_order) {
2530 $order_by = "ttrss_feeds.title, $order_by";
2531 } else {
2532 $order_by = "ttrss_feeds.title, $override_order";
2533 }
2534 }
2535
2536 if (!$allow_archived) {
2537 $from_qpart = "ttrss_entries,ttrss_user_entries,ttrss_feeds$ext_tables_part";
2538 $feed_check_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
2539
2540 } else {
2541 $from_qpart = "ttrss_entries$ext_tables_part,ttrss_user_entries
2542 LEFT JOIN ttrss_feeds ON (feed_id = ttrss_feeds.id)";
2543 }
2544
2545 if ($vfeed_query_part)
2546 $vfeed_query_part .= "favicon_avg_color,";
2547
2548 $query = "SELECT DISTINCT
2549 date_entered,
2550 guid,
2551 ttrss_entries.id,ttrss_entries.title,
2552 updated,
2553 label_cache,
2554 tag_cache,
2555 always_display_enclosures,
2556 site_url,
2557 note,
2558 num_comments,
2559 comments,
2560 int_id,
2561 hide_images,
2562 unread,feed_id,marked,published,link,last_read,orig_feed_id,
2563 last_marked, last_published,
2564 $vfeed_query_part
2565 $content_query_part
2566 author,score
2567 FROM
2568 $from_qpart
2569 WHERE
2570 $feed_check_qpart
2571 ttrss_user_entries.ref_id = ttrss_entries.id AND
2572 ttrss_user_entries.owner_uid = '$owner_uid' AND
2573 $search_query_part
2574 $filter_query_part
2575 $view_query_part
2576 $since_id_part
2577 $query_strategy_part ORDER BY $order_by
2578 $limit_query_part $offset_query_part";
2579
2580 if ($_REQUEST["debug"]) print $query;
2581
2582 $result = db_query($query);
2583
2584 } else {
2585 // browsing by tag
2586
2587 $select_qpart = "SELECT DISTINCT " .
2588 "date_entered," .
2589 "guid," .
2590 "note," .
2591 "ttrss_entries.id as id," .
2592 "title," .
2593 "updated," .
2594 "unread," .
2595 "feed_id," .
2596 "orig_feed_id," .
2597 "marked," .
2598 "num_comments, " .
2599 "comments, " .
2600 "tag_cache," .
2601 "label_cache," .
2602 "link," .
2603 "last_read," .
2604 "(SELECT hide_images FROM ttrss_feeds WHERE id = feed_id) AS hide_images," .
2605 "last_marked, last_published, " .
2606 $since_id_part .
2607 $vfeed_query_part .
2608 $content_query_part .
2609 "score ";
2610
2611 $feed_kind = "Tags";
2612 $all_tags = explode(",", $feed);
2613 if ($search_mode == 'any') {
2614 $tag_sql = "tag_name in (" . implode(", ", array_map("db_quote", $all_tags)) . ")";
2615 $from_qpart = " FROM ttrss_entries,ttrss_user_entries,ttrss_tags ";
2616 $where_qpart = " WHERE " .
2617 "ref_id = ttrss_entries.id AND " .
2618 "ttrss_user_entries.owner_uid = $owner_uid AND " .
2619 "post_int_id = int_id AND $tag_sql AND " .
2620 $view_query_part .
2621 $search_query_part .
2622 $query_strategy_part . " ORDER BY $order_by " .
2623 $limit_query_part;
2624
2625 } else {
2626 $i = 1;
2627 $sub_selects = array();
2628 $sub_ands = array();
2629 foreach ($all_tags as $term) {
2630 array_push($sub_selects, "(SELECT post_int_id from ttrss_tags WHERE tag_name = " . db_quote($term) . " AND owner_uid = $owner_uid) as A$i");
2631 $i++;
2632 }
2633 if ($i > 2) {
2634 $x = 1;
2635 $y = 2;
2636 do {
2637 array_push($sub_ands, "A$x.post_int_id = A$y.post_int_id");
2638 $x++;
2639 $y++;
2640 } while ($y < $i);
2641 }
2642 array_push($sub_ands, "A1.post_int_id = ttrss_user_entries.int_id and ttrss_user_entries.owner_uid = $owner_uid");
2643 array_push($sub_ands, "ttrss_user_entries.ref_id = ttrss_entries.id");
2644 $from_qpart = " FROM " . implode(", ", $sub_selects) . ", ttrss_user_entries, ttrss_entries";
2645 $where_qpart = " WHERE " . implode(" AND ", $sub_ands);
2646 }
2647 // error_log("TAG SQL: " . $tag_sql);
2648 // $tag_sql = "tag_name = '$feed'"; DEFAULT way
2649
2650 // error_log("[". $select_qpart . "][" . $from_qpart . "][" .$where_qpart . "]");
2651 $result = db_query($select_qpart . $from_qpart . $where_qpart);
2652 }
2653
2654 return array($result, $feed_title, $feed_site_url, $last_error);
2655
2656 }
2657
2658 function sanitize($str, $force_remove_images = false, $owner = false, $site_url = false) {
2659 if (!$owner) $owner = $_SESSION["uid"];
2660
2661 $res = trim($str); if (!$res) return '';
2662
2663 if (strpos($res, "href=") === false)
2664 $res = rewrite_urls($res);
2665
2666 $charset_hack = '<head>
2667 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
2668 </head>';
2669
2670 $res = trim($res); if (!$res) return '';
2671
2672 libxml_use_internal_errors(true);
2673
2674 $doc = new DOMDocument();
2675 $doc->loadHTML($charset_hack . $res);
2676 $xpath = new DOMXPath($doc);
2677
2678 $entries = $xpath->query('(//a[@href]|//img[@src])');
2679
2680 foreach ($entries as $entry) {
2681
2682 if ($site_url) {
2683
2684 if ($entry->hasAttribute('href'))
2685 $entry->setAttribute('href',
2686 rewrite_relative_url($site_url, $entry->getAttribute('href')));
2687
2688 if ($entry->hasAttribute('src')) {
2689 $src = rewrite_relative_url($site_url, $entry->getAttribute('src'));
2690
2691 $cached_filename = CACHE_DIR . '/images/' . sha1($src) . '.png';
2692
2693 if (file_exists($cached_filename)) {
2694 $src = SELF_URL_PATH . '/image.php?hash=' . sha1($src);
2695 }
2696
2697 $entry->setAttribute('src', $src);
2698 }
2699
2700 if ($entry->nodeName == 'img') {
2701 if (($owner && get_pref("STRIP_IMAGES", $owner)) ||
2702 $force_remove_images || $_SESSION["bw_limit"]) {
2703
2704 $p = $doc->createElement('p');
2705
2706 $a = $doc->createElement('a');
2707 $a->setAttribute('href', $entry->getAttribute('src'));
2708
2709 $a->appendChild(new DOMText($entry->getAttribute('src')));
2710 $a->setAttribute('target', '_blank');
2711
2712 $p->appendChild($a);
2713
2714 $entry->parentNode->replaceChild($p, $entry);
2715 }
2716 }
2717 }
2718
2719 if (strtolower($entry->nodeName) == "a") {
2720 $entry->setAttribute("target", "_blank");
2721 }
2722 }
2723
2724 $entries = $xpath->query('//iframe');
2725 foreach ($entries as $entry) {
2726 $entry->setAttribute('sandbox', 'allow-scripts');
2727
2728 }
2729
2730 $allowed_elements = array('a', 'address', 'audio', 'article', 'aside',
2731 'b', 'bdi', 'bdo', 'big', 'blockquote', 'body', 'br',
2732 'caption', 'cite', 'center', 'code', 'col', 'colgroup',
2733 'data', 'dd', 'del', 'details', 'div', 'dl', 'font',
2734 'dt', 'em', 'footer', 'figure', 'figcaption',
2735 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'header', 'html', 'i',
2736 'img', 'ins', 'kbd', 'li', 'main', 'mark', 'nav', 'noscript',
2737 'ol', 'p', 'pre', 'q', 'ruby', 'rp', 'rt', 's', 'samp', 'section',
2738 'small', 'source', 'span', 'strike', 'strong', 'sub', 'summary',
2739 'sup', 'table', 'tbody', 'td', 'tfoot', 'th', 'thead', 'time',
2740 'tr', 'track', 'tt', 'u', 'ul', 'var', 'wbr', 'video' );
2741
2742 if ($_SESSION['hasSandbox']) $allowed_elements[] = 'iframe';
2743
2744 $disallowed_attributes = array('id', 'style', 'class');
2745
2746 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_SANITIZE) as $plugin) {
2747 $retval = $plugin->hook_sanitize($doc, $site_url, $allowed_elements, $disallowed_attributes);
2748 if (is_array($retval)) {
2749 $doc = $retval[0];
2750 $allowed_elements = $retval[1];
2751 $disallowed_attributes = $retval[2];
2752 } else {
2753 $doc = $retval;
2754 }
2755 }
2756
2757 $doc->removeChild($doc->firstChild); //remove doctype
2758 $doc = strip_harmful_tags($doc, $allowed_elements, $disallowed_attributes);
2759 $res = $doc->saveHTML();
2760 return $res;
2761 }
2762
2763 function strip_harmful_tags($doc, $allowed_elements, $disallowed_attributes) {
2764 $entries = $doc->getElementsByTagName("*");
2765
2766 foreach ($entries as $entry) {
2767 if (!in_array($entry->nodeName, $allowed_elements)) {
2768 $entry->parentNode->removeChild($entry);
2769 }
2770
2771 if ($entry->hasAttributes()) {
2772 $attrs_to_remove = array();
2773
2774 foreach ($entry->attributes as $attr) {
2775
2776 if (strpos($attr->nodeName, 'on') === 0) {
2777 array_push($attrs_to_remove, $attr);
2778 }
2779
2780 if (in_array($attr->nodeName, $disallowed_attributes)) {
2781 array_push($attrs_to_remove, $attr);
2782 }
2783 }
2784
2785 foreach ($attrs_to_remove as $attr) {
2786 $entry->removeAttributeNode($attr);
2787 }
2788 }
2789 }
2790
2791 return $doc;
2792 }
2793
2794 function check_for_update() {
2795 if (CHECK_FOR_NEW_VERSION && $_SESSION['access_level'] >= 10) {
2796 $version_url = "http://tt-rss.org/version.php?ver=" . VERSION .
2797 "&iid=" . sha1(SELF_URL_PATH);
2798
2799 $version_data = @fetch_file_contents($version_url);
2800
2801 if ($version_data) {
2802 $version_data = json_decode($version_data, true);
2803 if ($version_data && $version_data['version']) {
2804
2805 if (version_compare(VERSION, $version_data['version']) == -1) {
2806 return $version_data;
2807 }
2808 }
2809 }
2810 }
2811 return false;
2812 }
2813
2814 function catchupArticlesById($ids, $cmode, $owner_uid = false) {
2815
2816 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2817 if (count($ids) == 0) return;
2818
2819 $tmp_ids = array();
2820
2821 foreach ($ids as $id) {
2822 array_push($tmp_ids, "ref_id = '$id'");
2823 }
2824
2825 $ids_qpart = join(" OR ", $tmp_ids);
2826
2827 if ($cmode == 0) {
2828 db_query("UPDATE ttrss_user_entries SET
2829 unread = false,last_read = NOW()
2830 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
2831 } else if ($cmode == 1) {
2832 db_query("UPDATE ttrss_user_entries SET
2833 unread = true
2834 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
2835 } else {
2836 db_query("UPDATE ttrss_user_entries SET
2837 unread = NOT unread,last_read = NOW()
2838 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
2839 }
2840
2841 /* update ccache */
2842
2843 $result = db_query("SELECT DISTINCT feed_id FROM ttrss_user_entries
2844 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
2845
2846 while ($line = db_fetch_assoc($result)) {
2847 ccache_update($line["feed_id"], $owner_uid);
2848 }
2849 }
2850
2851 function get_article_tags($id, $owner_uid = 0, $tag_cache = false) {
2852
2853 $a_id = db_escape_string($id);
2854
2855 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2856
2857 $query = "SELECT DISTINCT tag_name,
2858 owner_uid as owner FROM
2859 ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
2860 ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name";
2861
2862 $obj_id = md5("TAGS:$owner_uid:$id");
2863 $tags = array();
2864
2865 /* check cache first */
2866
2867 if ($tag_cache === false) {
2868 $result = db_query("SELECT tag_cache FROM ttrss_user_entries
2869 WHERE ref_id = '$id' AND owner_uid = $owner_uid");
2870
2871 $tag_cache = db_fetch_result($result, 0, "tag_cache");
2872 }
2873
2874 if ($tag_cache) {
2875 $tags = explode(",", $tag_cache);
2876 } else {
2877
2878 /* do it the hard way */
2879
2880 $tmp_result = db_query($query);
2881
2882 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2883 array_push($tags, $tmp_line["tag_name"]);
2884 }
2885
2886 /* update the cache */
2887
2888 $tags_str = db_escape_string(join(",", $tags));
2889
2890 db_query("UPDATE ttrss_user_entries
2891 SET tag_cache = '$tags_str' WHERE ref_id = '$id'
2892 AND owner_uid = $owner_uid");
2893 }
2894
2895 return $tags;
2896 }
2897
2898 function trim_array($array) {
2899 $tmp = $array;
2900 array_walk($tmp, 'trim');
2901 return $tmp;
2902 }
2903
2904 function tag_is_valid($tag) {
2905 if ($tag == '') return false;
2906 if (preg_match("/^[0-9]*$/", $tag)) return false;
2907 if (mb_strlen($tag) > 250) return false;
2908
2909 if (function_exists('iconv')) {
2910 $tag = iconv("utf-8", "utf-8", $tag);
2911 }
2912
2913 if (!$tag) return false;
2914
2915 return true;
2916 }
2917
2918 function render_login_form() {
2919 header('Cache-Control: public');
2920
2921 require_once "login_form.php";
2922 exit;
2923 }
2924
2925 function format_warning($msg, $id = "") {
2926 global $link;
2927 return "<div class=\"warning\" id=\"$id\">
2928 <img src=\"images/sign_excl.svg\"><div class='inner'>$msg</div></div>";
2929 }
2930
2931 function format_notice($msg, $id = "") {
2932 global $link;
2933 return "<div class=\"notice\" id=\"$id\">
2934 <img src=\"images/sign_info.svg\"><div class='inner'>$msg</div></div>";
2935 }
2936
2937 function format_error($msg, $id = "") {
2938 global $link;
2939 return "<div class=\"error\" id=\"$id\">
2940 <img src=\"images/sign_excl.svg\"><div class='inner'>$msg</div></div>";
2941 }
2942
2943 function print_notice($msg) {
2944 return print format_notice($msg);
2945 }
2946
2947 function print_warning($msg) {
2948 return print format_warning($msg);
2949 }
2950
2951 function print_error($msg) {
2952 return print format_error($msg);
2953 }
2954
2955
2956 function T_sprintf() {
2957 $args = func_get_args();
2958 return vsprintf(__(array_shift($args)), $args);
2959 }
2960
2961 function format_inline_player($url, $ctype) {
2962
2963 $entry = "";
2964
2965 $url = htmlspecialchars($url);
2966
2967 if (strpos($ctype, "audio/") === 0) {
2968
2969 if ($_SESSION["hasAudio"] && (strpos($ctype, "ogg") !== false ||
2970 $_SESSION["hasMp3"])) {
2971
2972 $entry .= "<audio controls>
2973 <source type=\"$ctype\" src=\"$url\"></source>
2974 </audio>";
2975
2976 } else {
2977
2978 $entry .= "<object type=\"application/x-shockwave-flash\"
2979 data=\"lib/button/musicplayer.swf?song_url=$url\"
2980 width=\"17\" height=\"17\" style='float : left; margin-right : 5px;'>
2981 <param name=\"movie\"
2982 value=\"lib/button/musicplayer.swf?song_url=$url\" />
2983 </object>";
2984 }
2985
2986 if ($entry) $entry .= "&nbsp; <a target=\"_blank\"
2987 href=\"$url\">" . basename($url) . "</a>";
2988
2989 return $entry;
2990
2991 }
2992
2993 return "";
2994
2995 /* $filename = substr($url, strrpos($url, "/")+1);
2996
2997 $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
2998 $filename . " (" . $ctype . ")" . "</a>"; */
2999
3000 }
3001
3002 function format_article($id, $mark_as_read = true, $zoom_mode = false, $owner_uid = false) {
3003 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3004
3005 $rv = array();
3006
3007 $rv['id'] = $id;
3008
3009 /* we can figure out feed_id from article id anyway, why do we
3010 * pass feed_id here? let's ignore the argument :(*/
3011
3012 $result = db_query("SELECT feed_id FROM ttrss_user_entries
3013 WHERE ref_id = '$id'");
3014
3015 $feed_id = (int) db_fetch_result($result, 0, "feed_id");
3016
3017 $rv['feed_id'] = $feed_id;
3018
3019 //if (!$zoom_mode) { print "<article id='$id'><![CDATA["; };
3020
3021 if ($mark_as_read) {
3022 $result = db_query("UPDATE ttrss_user_entries
3023 SET unread = false,last_read = NOW()
3024 WHERE ref_id = '$id' AND owner_uid = $owner_uid");
3025
3026 ccache_update($feed_id, $owner_uid);
3027 }
3028
3029 $result = db_query("SELECT id,title,link,content,feed_id,comments,int_id,
3030 ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
3031 (SELECT site_url FROM ttrss_feeds WHERE id = feed_id) as site_url,
3032 (SELECT hide_images FROM ttrss_feeds WHERE id = feed_id) as hide_images,
3033 (SELECT always_display_enclosures FROM ttrss_feeds WHERE id = feed_id) as always_display_enclosures,
3034 num_comments,
3035 tag_cache,
3036 author,
3037 orig_feed_id,
3038 note,
3039 cached_content
3040 FROM ttrss_entries,ttrss_user_entries
3041 WHERE id = '$id' AND ref_id = id AND owner_uid = $owner_uid");
3042
3043 if ($result) {
3044
3045 $line = db_fetch_assoc($result);
3046
3047 $tag_cache = $line["tag_cache"];
3048
3049 $line["tags"] = get_article_tags($id, $owner_uid, $line["tag_cache"]);
3050 unset($line["tag_cache"]);
3051
3052 $line["content"] = sanitize($line["content"], false, $owner_uid, $line["site_url"]);
3053
3054 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ARTICLE) as $p) {
3055 $line = $p->hook_render_article($line);
3056 }
3057
3058 $num_comments = $line["num_comments"];
3059 $entry_comments = "";
3060
3061 if ($num_comments > 0) {
3062 if ($line["comments"]) {
3063 $comments_url = htmlspecialchars($line["comments"]);
3064 } else {
3065 $comments_url = htmlspecialchars($line["link"]);
3066 }
3067 $entry_comments = "<a target='_blank' href=\"$comments_url\">$num_comments comments</a>";
3068 } else {
3069 if ($line["comments"] && $line["link"] != $line["comments"]) {
3070 $entry_comments = "<a target='_blank' href=\"".htmlspecialchars($line["comments"])."\">comments</a>";
3071 }
3072 }
3073
3074 if ($zoom_mode) {
3075 header("Content-Type: text/html");
3076 $rv['content'] .= "<html><head>
3077 <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
3078 <title>Tiny Tiny RSS - ".$line["title"]."</title>
3079 <link rel=\"stylesheet\" type=\"text/css\" href=\"tt-rss.css\">
3080 </head><body id=\"ttrssZoom\">";
3081 }
3082
3083 $rv['content'] .= "<div class=\"postReply\" id=\"POST-$id\">";
3084
3085 $rv['content'] .= "<div class=\"postHeader\" id=\"POSTHDR-$id\">";
3086
3087 $entry_author = $line["author"];
3088
3089 if ($entry_author) {
3090 $entry_author = __(" - ") . $entry_author;
3091 }
3092
3093 $parsed_updated = make_local_datetime($line["updated"], true,
3094 $owner_uid, true);
3095
3096 $rv['content'] .= "<div class=\"postDate\">$parsed_updated</div>";
3097
3098 if ($line["link"]) {
3099 $rv['content'] .= "<div class='postTitle'><a target='_blank'
3100 title=\"".htmlspecialchars($line['title'])."\"
3101 href=\"" .
3102 htmlspecialchars($line["link"]) . "\">" .
3103 $line["title"] . "</a>" .
3104 "<span class='author'>$entry_author</span></div>";
3105 } else {
3106 $rv['content'] .= "<div class='postTitle'>" . $line["title"] . "$entry_author</div>";
3107 }
3108
3109 $tags_str = format_tags_string($line["tags"], $id);
3110 $tags_str_full = join(", ", $line["tags"]);
3111
3112 if (!$tags_str_full) $tags_str_full = __("no tags");
3113
3114 if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
3115
3116 $rv['content'] .= "<div class='postTags' style='float : right'>
3117 <img src='images/tag.png'
3118 class='tagsPic' alt='Tags' title='Tags'>&nbsp;";
3119
3120 if (!$zoom_mode) {
3121 $rv['content'] .= "<span id=\"ATSTR-$id\">$tags_str</span>
3122 <a title=\"".__('Edit tags for this article')."\"
3123 href=\"#\" onclick=\"editArticleTags($id, $feed_id)\">(+)</a>";
3124
3125 $rv['content'] .= "<div dojoType=\"dijit.Tooltip\"
3126 id=\"ATSTRTIP-$id\" connectId=\"ATSTR-$id\"
3127 position=\"below\">$tags_str_full</div>";
3128
3129 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_ARTICLE_BUTTON) as $p) {
3130 $rv['content'] .= $p->hook_article_button($line);
3131 }
3132
3133 } else {
3134 $tags_str = strip_tags($tags_str);
3135 $rv['content'] .= "<span id=\"ATSTR-$id\">$tags_str</span>";
3136 }
3137 $rv['content'] .= "</div>";
3138 $rv['content'] .= "<div clear='both'>";
3139
3140 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_ARTICLE_LEFT_BUTTON) as $p) {
3141 $rv['content'] .= $p->hook_article_left_button($line);
3142 }
3143
3144 $rv['content'] .= "$entry_comments</div>";
3145
3146 if ($line["orig_feed_id"]) {
3147
3148 $tmp_result = db_query("SELECT * FROM ttrss_archived_feeds
3149 WHERE id = ".$line["orig_feed_id"]);
3150
3151 if (db_num_rows($tmp_result) != 0) {
3152
3153 $rv['content'] .= "<div clear='both'>";
3154 $rv['content'] .= __("Originally from:");
3155
3156 $rv['content'] .= "&nbsp;";
3157
3158 $tmp_line = db_fetch_assoc($tmp_result);
3159
3160 $rv['content'] .= "<a target='_blank'
3161 href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
3162 $tmp_line['title'] . "</a>";
3163
3164 $rv['content'] .= "&nbsp;";
3165
3166 $rv['content'] .= "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
3167 $rv['content'] .= "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.svg'></a>";
3168
3169 $rv['content'] .= "</div>";
3170 }
3171 }
3172
3173 $rv['content'] .= "</div>";
3174
3175 $rv['content'] .= "<div id=\"POSTNOTE-$id\">";
3176 if ($line['note']) {
3177 $rv['content'] .= format_article_note($id, $line['note'], !$zoom_mode);
3178 }
3179 $rv['content'] .= "</div>";
3180
3181 $rv['content'] .= "<div class=\"postContent\">";
3182
3183 $rv['content'] .= $line["content"];
3184 $rv['content'] .= format_article_enclosures($id,
3185 sql_bool_to_bool($line["always_display_enclosures"]),
3186 $line["content"],
3187 sql_bool_to_bool($line["hide_images"]));
3188
3189 $rv['content'] .= "</div>";
3190
3191 $rv['content'] .= "</div>";
3192
3193 }
3194
3195 if ($zoom_mode) {
3196 $rv['content'] .= "
3197 <div class='footer'>
3198 <button onclick=\"return window.close()\">".
3199 __("Close this window")."</button></div>";
3200 $rv['content'] .= "</body></html>";
3201 }
3202
3203 return $rv;
3204
3205 }
3206
3207 function print_checkpoint($n, $s) {
3208 $ts = microtime(true);
3209 echo sprintf("<!-- CP[$n] %.4f seconds -->", $ts - $s);
3210 return $ts;
3211 }
3212
3213 function sanitize_tag($tag) {
3214 $tag = trim($tag);
3215
3216 $tag = mb_strtolower($tag, 'utf-8');
3217
3218 $tag = preg_replace('/[\'\"\+\>\<]/', "", $tag);
3219
3220 // $tag = str_replace('"', "", $tag);
3221 // $tag = str_replace("+", " ", $tag);
3222 $tag = str_replace("technorati tag: ", "", $tag);
3223
3224 return $tag;
3225 }
3226
3227 function get_self_url_prefix() {
3228 if (strrpos(SELF_URL_PATH, "/") === strlen(SELF_URL_PATH)-1) {
3229 return substr(SELF_URL_PATH, 0, strlen(SELF_URL_PATH)-1);
3230 } else {
3231 return SELF_URL_PATH;
3232 }
3233 }
3234
3235 /**
3236 * Compute the Mozilla Firefox feed adding URL from server HOST and REQUEST_URI.
3237 *
3238 * @return string The Mozilla Firefox feed adding URL.
3239 */
3240 function add_feed_url() {
3241 //$url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' : 'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
3242
3243 $url_path = get_self_url_prefix() .
3244 "/public.php?op=subscribe&feed_url=%s";
3245 return $url_path;
3246 } // function add_feed_url
3247
3248 function encrypt_password($pass, $salt = '', $mode2 = false) {
3249 if ($salt && $mode2) {
3250 return "MODE2:" . hash('sha256', $salt . $pass);
3251 } else if ($salt) {
3252 return "SHA1X:" . sha1("$salt:$pass");
3253 } else {
3254 return "SHA1:" . sha1($pass);
3255 }
3256 } // function encrypt_password
3257
3258 function load_filters($feed_id, $owner_uid, $action_id = false) {
3259 $filters = array();
3260
3261 $cat_id = (int)getFeedCategory($feed_id);
3262
3263 $result = db_query("SELECT * FROM ttrss_filters2 WHERE
3264 owner_uid = $owner_uid AND enabled = true ORDER BY order_id, title");
3265
3266 $check_cats = join(",", array_merge(
3267 getParentCategories($cat_id, $owner_uid),
3268 array($cat_id)));
3269
3270 while ($line = db_fetch_assoc($result)) {
3271 $filter_id = $line["id"];
3272
3273 $result2 = db_query("SELECT
3274 r.reg_exp, r.inverse, r.feed_id, r.cat_id, r.cat_filter, t.name AS type_name
3275 FROM ttrss_filters2_rules AS r,
3276 ttrss_filter_types AS t
3277 WHERE
3278 (cat_id IS NULL OR cat_id IN ($check_cats)) AND
3279 (feed_id IS NULL OR feed_id = '$feed_id') AND
3280 filter_type = t.id AND filter_id = '$filter_id'");
3281
3282 $rules = array();
3283 $actions = array();
3284
3285 while ($rule_line = db_fetch_assoc($result2)) {
3286 # print_r($rule_line);
3287
3288 $rule = array();
3289 $rule["reg_exp"] = $rule_line["reg_exp"];
3290 $rule["type"] = $rule_line["type_name"];
3291 $rule["inverse"] = sql_bool_to_bool($rule_line["inverse"]);
3292
3293 array_push($rules, $rule);
3294 }
3295
3296 $result2 = db_query("SELECT a.action_param,t.name AS type_name
3297 FROM ttrss_filters2_actions AS a,
3298 ttrss_filter_actions AS t
3299 WHERE
3300 action_id = t.id AND filter_id = '$filter_id'");
3301
3302 while ($action_line = db_fetch_assoc($result2)) {
3303 # print_r($action_line);
3304
3305 $action = array();
3306 $action["type"] = $action_line["type_name"];
3307 $action["param"] = $action_line["action_param"];
3308
3309 array_push($actions, $action);
3310 }
3311
3312
3313 $filter = array();
3314 $filter["match_any_rule"] = sql_bool_to_bool($line["match_any_rule"]);
3315 $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
3316 $filter["rules"] = $rules;
3317 $filter["actions"] = $actions;
3318
3319 if (count($rules) > 0 && count($actions) > 0) {
3320 array_push($filters, $filter);
3321 }
3322 }
3323
3324 return $filters;
3325 }
3326
3327 function get_score_pic($score) {
3328 if ($score > 100) {
3329 return "score_high.png";
3330 } else if ($score > 0) {
3331 return "score_half_high.png";
3332 } else if ($score < -100) {
3333 return "score_low.png";
3334 } else if ($score < 0) {
3335 return "score_half_low.png";
3336 } else {
3337 return "score_neutral.png";
3338 }
3339 }
3340
3341 function feed_has_icon($id) {
3342 return is_file(ICONS_DIR . "/$id.ico") && filesize(ICONS_DIR . "/$id.ico") > 0;
3343 }
3344
3345 function init_plugins() {
3346 PluginHost::getInstance()->load(PLUGINS, PluginHost::KIND_ALL);
3347
3348 return true;
3349 }
3350
3351 function format_tags_string($tags, $id) {
3352
3353 $tags_str = "";
3354 $tags_nolinks_str = "";
3355
3356 $num_tags = 0;
3357
3358 $tag_limit = 6;
3359
3360 $formatted_tags = array();
3361
3362 foreach ($tags as $tag) {
3363 $num_tags++;
3364 $tag_escaped = str_replace("'", "\\'", $tag);
3365
3366 if (mb_strlen($tag) > 30) {
3367 $tag = truncate_string($tag, 30);
3368 }
3369
3370 $tag_str = "<a href=\"javascript:viewfeed('$tag_escaped')\">$tag</a>";
3371
3372 array_push($formatted_tags, $tag_str);
3373
3374 $tmp_tags_str = implode(", ", $formatted_tags);
3375
3376 if ($num_tags == $tag_limit || mb_strlen($tmp_tags_str) > 150) {
3377 break;
3378 }
3379 }
3380
3381 $tags_str = implode(", ", $formatted_tags);
3382
3383 if ($num_tags < count($tags)) {
3384 $tags_str .= ", &hellip;";
3385 }
3386
3387 if ($num_tags == 0) {
3388 $tags_str = __("no tags");
3389 }
3390
3391 return $tags_str;
3392
3393 }
3394
3395 function format_article_labels($labels, $id) {
3396
3397 if (is_array($labels)) return '';
3398
3399 $labels_str = "";
3400
3401 foreach ($labels as $l) {
3402 $labels_str .= sprintf("<span class='hlLabelRef'
3403 style='color : %s; background-color : %s'>%s</span>",
3404 $l[2], $l[3], $l[1]);
3405 }
3406
3407 return $labels_str;
3408
3409 }
3410
3411 function format_article_note($id, $note, $allow_edit = true) {
3412
3413 $str = "<div class='articleNote' onclick=\"editArticleNote($id)\">
3414 <div class='noteEdit' onclick=\"editArticleNote($id)\">".
3415 ($allow_edit ? __('(edit note)') : "")."</div>$note</div>";
3416
3417 return $str;
3418 }
3419
3420
3421 function get_feed_category($feed_cat, $parent_cat_id = false) {
3422 if ($parent_cat_id) {
3423 $parent_qpart = "parent_cat = '$parent_cat_id'";
3424 $parent_insert = "'$parent_cat_id'";
3425 } else {
3426 $parent_qpart = "parent_cat IS NULL";
3427 $parent_insert = "NULL";
3428 }
3429
3430 $result = db_query(
3431 "SELECT id FROM ttrss_feed_categories
3432 WHERE $parent_qpart AND title = '$feed_cat' AND owner_uid = ".$_SESSION["uid"]);
3433
3434 if (db_num_rows($result) == 0) {
3435 return false;
3436 } else {
3437 return db_fetch_result($result, 0, "id");
3438 }
3439 }
3440
3441 function add_feed_category($feed_cat, $parent_cat_id = false) {
3442
3443 if (!$feed_cat) return false;
3444
3445 db_query("BEGIN");
3446
3447 if ($parent_cat_id) {
3448 $parent_qpart = "parent_cat = '$parent_cat_id'";
3449 $parent_insert = "'$parent_cat_id'";
3450 } else {
3451 $parent_qpart = "parent_cat IS NULL";
3452 $parent_insert = "NULL";
3453 }
3454
3455 $feed_cat = mb_substr($feed_cat, 0, 250);
3456
3457 $result = db_query(
3458 "SELECT id FROM ttrss_feed_categories
3459 WHERE $parent_qpart AND title = '$feed_cat' AND owner_uid = ".$_SESSION["uid"]);
3460
3461 if (db_num_rows($result) == 0) {
3462
3463 $result = db_query(
3464 "INSERT INTO ttrss_feed_categories (owner_uid,title,parent_cat)
3465 VALUES ('".$_SESSION["uid"]."', '$feed_cat', $parent_insert)");
3466
3467 db_query("COMMIT");
3468
3469 return true;
3470 }
3471
3472 return false;
3473 }
3474
3475 function getArticleFeed($id) {
3476 $result = db_query("SELECT feed_id FROM ttrss_user_entries
3477 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3478
3479 if (db_num_rows($result) != 0) {
3480 return db_fetch_result($result, 0, "feed_id");
3481 } else {
3482 return 0;
3483 }
3484 }
3485
3486 /**
3487 * Fixes incomplete URLs by prepending "http://".
3488 * Also replaces feed:// with http://, and
3489 * prepends a trailing slash if the url is a domain name only.
3490 *
3491 * @param string $url Possibly incomplete URL
3492 *
3493 * @return string Fixed URL.
3494 */
3495 function fix_url($url) {
3496 if (strpos($url, '://') === false) {
3497 $url = 'http://' . $url;
3498 } else if (substr($url, 0, 5) == 'feed:') {
3499 $url = 'http:' . substr($url, 5);
3500 }
3501
3502 //prepend slash if the URL has no slash in it
3503 // "http://www.example" -> "http://www.example/"
3504 if (strpos($url, '/', strpos($url, ':') + 3) === false) {
3505 $url .= '/';
3506 }
3507
3508 if ($url != "http:///")
3509 return $url;
3510 else
3511 return '';
3512 }
3513
3514 function validate_feed_url($url) {
3515 $parts = parse_url($url);
3516
3517 return ($parts['scheme'] == 'http' || $parts['scheme'] == 'feed' || $parts['scheme'] == 'https');
3518
3519 }
3520
3521 function get_article_enclosures($id) {
3522
3523 $query = "SELECT * FROM ttrss_enclosures
3524 WHERE post_id = '$id' AND content_url != ''";
3525
3526 $rv = array();
3527
3528 $result = db_query($query);
3529
3530 if (db_num_rows($result) > 0) {
3531 while ($line = db_fetch_assoc($result)) {
3532 array_push($rv, $line);
3533 }
3534 }
3535
3536 return $rv;
3537 }
3538
3539 function save_email_address($email) {
3540 // FIXME: implement persistent storage of emails
3541
3542 if (!$_SESSION['stored_emails'])
3543 $_SESSION['stored_emails'] = array();
3544
3545 if (!in_array($email, $_SESSION['stored_emails']))
3546 array_push($_SESSION['stored_emails'], $email);
3547 }
3548
3549
3550 function get_feed_access_key($feed_id, $is_cat, $owner_uid = false) {
3551
3552 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3553
3554 $sql_is_cat = bool_to_sql_bool($is_cat);
3555
3556 $result = db_query("SELECT access_key FROM ttrss_access_keys
3557 WHERE feed_id = '$feed_id' AND is_cat = $sql_is_cat
3558 AND owner_uid = " . $owner_uid);
3559
3560 if (db_num_rows($result) == 1) {
3561 return db_fetch_result($result, 0, "access_key");
3562 } else {
3563 $key = db_escape_string(sha1(uniqid(rand(), true)));
3564
3565 $result = db_query("INSERT INTO ttrss_access_keys
3566 (access_key, feed_id, is_cat, owner_uid)
3567 VALUES ('$key', '$feed_id', $sql_is_cat, '$owner_uid')");
3568
3569 return $key;
3570 }
3571 return false;
3572 }
3573
3574 function get_feeds_from_html($url, $content)
3575 {
3576 $url = fix_url($url);
3577 $baseUrl = substr($url, 0, strrpos($url, '/') + 1);
3578
3579 libxml_use_internal_errors(true);
3580
3581 $doc = new DOMDocument();
3582 $doc->loadHTML($content);
3583 $xpath = new DOMXPath($doc);
3584 $entries = $xpath->query('/html/head/link[@rel="alternate"]');
3585 $feedUrls = array();
3586 foreach ($entries as $entry) {
3587 if ($entry->hasAttribute('href')) {
3588 $title = $entry->getAttribute('title');
3589 if ($title == '') {
3590 $title = $entry->getAttribute('type');
3591 }
3592 $feedUrl = rewrite_relative_url(
3593 $baseUrl, $entry->getAttribute('href')
3594 );
3595 $feedUrls[$feedUrl] = $title;
3596 }
3597 }
3598 return $feedUrls;
3599 }
3600
3601 function is_html($content) {
3602 return preg_match("/<html|DOCTYPE html/i", substr($content, 0, 20)) !== 0;
3603 }
3604
3605 function url_is_html($url, $login = false, $pass = false) {
3606 return is_html(fetch_file_contents($url, false, $login, $pass));
3607 }
3608
3609 function print_label_select($name, $value, $attributes = "") {
3610
3611 $result = db_query("SELECT caption FROM ttrss_labels2
3612 WHERE owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
3613
3614 print "<select default=\"$value\" name=\"" . htmlspecialchars($name) .
3615 "\" $attributes onchange=\"labelSelectOnChange(this)\" >";
3616
3617 while ($line = db_fetch_assoc($result)) {
3618
3619 $issel = ($line["caption"] == $value) ? "selected=\"1\"" : "";
3620
3621 print "<option value=\"".htmlspecialchars($line["caption"])."\"
3622 $issel>" . htmlspecialchars($line["caption"]) . "</option>";
3623
3624 }
3625
3626 # print "<option value=\"ADD_LABEL\">" .__("Add label...") . "</option>";
3627
3628 print "</select>";
3629
3630
3631 }
3632
3633 function format_article_enclosures($id, $always_display_enclosures,
3634 $article_content, $hide_images = false) {
3635
3636 $result = get_article_enclosures($id);
3637 $rv = '';
3638
3639 if (count($result) > 0) {
3640
3641 $entries_html = array();
3642 $entries = array();
3643 $entries_inline = array();
3644
3645 foreach ($result as $line) {
3646
3647 $url = $line["content_url"];
3648 $ctype = $line["content_type"];
3649
3650 if (!$ctype) $ctype = __("unknown type");
3651
3652 $filename = substr($url, strrpos($url, "/")+1);
3653
3654 $player = format_inline_player($url, $ctype);
3655
3656 if ($player) array_push($entries_inline, $player);
3657
3658 # $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
3659 # $filename . " (" . $ctype . ")" . "</a>";
3660
3661 $entry = "<div onclick=\"window.open('".htmlspecialchars($url)."')\"
3662 dojoType=\"dijit.MenuItem\">$filename ($ctype)</div>";
3663
3664 array_push($entries_html, $entry);
3665
3666 $entry = array();
3667
3668 $entry["type"] = $ctype;
3669 $entry["filename"] = $filename;
3670 $entry["url"] = $url;
3671
3672 array_push($entries, $entry);
3673 }
3674
3675 if ($_SESSION['uid'] && !get_pref("STRIP_IMAGES") && !$_SESSION["bw_limit"]) {
3676 if ($always_display_enclosures ||
3677 !preg_match("/<img/i", $article_content)) {
3678
3679 foreach ($entries as $entry) {
3680
3681 if (preg_match("/image/", $entry["type"]) ||
3682 preg_match("/\.(jpg|png|gif|bmp)/i", $entry["filename"])) {
3683
3684 if (!$hide_images) {
3685 $rv .= "<p><img
3686 alt=\"".htmlspecialchars($entry["filename"])."\"
3687 src=\"" .htmlspecialchars($entry["url"]) . "\"/></p>";
3688 } else {
3689 $rv .= "<p><a target=\"_blank\"
3690 href=\"".htmlspecialchars($entry["url"])."\"
3691 >" .htmlspecialchars($entry["url"]) . "</a></p>";
3692
3693 }
3694 }
3695 }
3696 }
3697 }
3698
3699 if (count($entries_inline) > 0) {
3700 $rv .= "<hr clear='both'/>";
3701 foreach ($entries_inline as $entry) { $rv .= $entry; };
3702 $rv .= "<hr clear='both'/>";
3703 }
3704
3705 $rv .= "<select class=\"attachments\" onchange=\"openSelectedAttachment(this)\">".
3706 "<option value=''>" . __('Attachments')."</option>";
3707
3708 foreach ($entries as $entry) {
3709 $rv .= "<option value=\"".htmlspecialchars($entry["url"])."\">" . htmlspecialchars($entry["filename"]) . "</option>";
3710
3711 };
3712
3713 $rv .= "</select>";
3714 }
3715
3716 return $rv;
3717 }
3718
3719 function getLastArticleId() {
3720 $result = db_query("SELECT MAX(ref_id) AS id FROM ttrss_user_entries
3721 WHERE owner_uid = " . $_SESSION["uid"]);
3722
3723 if (db_num_rows($result) == 1) {
3724 return db_fetch_result($result, 0, "id");
3725 } else {
3726 return -1;
3727 }
3728 }
3729
3730 function build_url($parts) {
3731 return $parts['scheme'] . "://" . $parts['host'] . $parts['path'];
3732 }
3733
3734 /**
3735 * Converts a (possibly) relative URL to a absolute one.
3736 *
3737 * @param string $url Base URL (i.e. from where the document is)
3738 * @param string $rel_url Possibly relative URL in the document
3739 *
3740 * @return string Absolute URL
3741 */
3742 function rewrite_relative_url($url, $rel_url) {
3743 if (strpos($rel_url, "magnet:") === 0) {
3744 return $rel_url;
3745 } else if (strpos($rel_url, "://") !== false) {
3746 return $rel_url;
3747 } else if (strpos($rel_url, "//") === 0) {
3748 # protocol-relative URL (rare but they exist)
3749 return $rel_url;
3750 } else if (strpos($rel_url, "/") === 0)
3751 {
3752 $parts = parse_url($url);
3753 $parts['path'] = $rel_url;
3754
3755 return build_url($parts);
3756
3757 } else {
3758 $parts = parse_url($url);
3759 if (!isset($parts['path'])) {
3760 $parts['path'] = '/';
3761 }
3762 $dir = $parts['path'];
3763 if (substr($dir, -1) !== '/') {
3764 $dir = dirname($parts['path']);
3765 $dir !== '/' && $dir .= '/';
3766 }
3767 $parts['path'] = $dir . $rel_url;
3768
3769 return build_url($parts);
3770 }
3771 }
3772
3773 function sphinx_search($query, $offset = 0, $limit = 30) {
3774 require_once 'lib/sphinxapi.php';
3775
3776 $sphinxClient = new SphinxClient();
3777
3778 $sphinxpair = explode(":", SPHINX_SERVER, 2);
3779
3780 $sphinxClient->SetServer($sphinxpair[0], $sphinxpair[1]);
3781 $sphinxClient->SetConnectTimeout(1);
3782
3783 $sphinxClient->SetFieldWeights(array('title' => 70, 'content' => 30,
3784 'feed_title' => 20));
3785
3786 $sphinxClient->SetMatchMode(SPH_MATCH_EXTENDED2);
3787 $sphinxClient->SetRankingMode(SPH_RANK_PROXIMITY_BM25);
3788 $sphinxClient->SetLimits($offset, $limit, 1000);
3789 $sphinxClient->SetArrayResult(false);
3790 $sphinxClient->SetFilter('owner_uid', array($_SESSION['uid']));
3791
3792 $result = $sphinxClient->Query($query, SPHINX_INDEX);
3793
3794 $ids = array();
3795
3796 if (is_array($result['matches'])) {
3797 foreach (array_keys($result['matches']) as $int_id) {
3798 $ref_id = $result['matches'][$int_id]['attrs']['ref_id'];
3799 array_push($ids, $ref_id);
3800 }
3801 }
3802
3803 return $ids;
3804 }
3805
3806 function cleanup_tags($days = 14, $limit = 1000) {
3807
3808 if (DB_TYPE == "pgsql") {
3809 $interval_query = "date_updated < NOW() - INTERVAL '$days days'";
3810 } else if (DB_TYPE == "mysql") {
3811 $interval_query = "date_updated < DATE_SUB(NOW(), INTERVAL $days DAY)";
3812 }
3813
3814 $tags_deleted = 0;
3815
3816 while ($limit > 0) {
3817 $limit_part = 500;
3818
3819 $query = "SELECT ttrss_tags.id AS id
3820 FROM ttrss_tags, ttrss_user_entries, ttrss_entries
3821 WHERE post_int_id = int_id AND $interval_query AND
3822 ref_id = ttrss_entries.id AND tag_cache != '' LIMIT $limit_part";
3823
3824 $result = db_query($query);
3825
3826 $ids = array();
3827
3828 while ($line = db_fetch_assoc($result)) {
3829 array_push($ids, $line['id']);
3830 }
3831
3832 if (count($ids) > 0) {
3833 $ids = join(",", $ids);
3834
3835 $tmp_result = db_query("DELETE FROM ttrss_tags WHERE id IN ($ids)");
3836 $tags_deleted += db_affected_rows($tmp_result);
3837 } else {
3838 break;
3839 }
3840
3841 $limit -= $limit_part;
3842 }
3843
3844 return $tags_deleted;
3845 }
3846
3847 function print_user_stylesheet() {
3848 $value = get_pref('USER_STYLESHEET');
3849
3850 if ($value) {
3851 print "<style type=\"text/css\">";
3852 print str_replace("<br/>", "\n", $value);
3853 print "</style>";
3854 }
3855
3856 }
3857
3858 function rewrite_urls($html) {
3859 libxml_use_internal_errors(true);
3860
3861 $charset_hack = '<head>
3862 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
3863 </head>';
3864
3865 $doc = new DOMDocument();
3866 $doc->loadHTML($charset_hack . $html);
3867 $xpath = new DOMXPath($doc);
3868
3869 $entries = $xpath->query('//*/text()');
3870
3871 foreach ($entries as $entry) {
3872 if (strstr($entry->wholeText, "://") !== false) {
3873 $text = preg_replace("/((?<!=.)((http|https|ftp)+):\/\/[^ ,!]+)/i",
3874 "<a target=\"_blank\" href=\"\\1\">\\1</a>", $entry->wholeText);
3875
3876 if ($text != $entry->wholeText) {
3877 $cdoc = new DOMDocument();
3878 $cdoc->loadHTML($charset_hack . $text);
3879
3880
3881 foreach ($cdoc->childNodes as $cnode) {
3882 $cnode = $doc->importNode($cnode, true);
3883
3884 if ($cnode) {
3885 $entry->parentNode->insertBefore($cnode);
3886 }
3887 }
3888
3889 $entry->parentNode->removeChild($entry);
3890
3891 }
3892 }
3893 }
3894
3895 $node = $doc->getElementsByTagName('body')->item(0);
3896
3897 // http://tt-rss.org/forum/viewtopic.php?f=1&t=970
3898 if ($node)
3899 return $doc->saveXML($node);
3900 else
3901 return $html;
3902 }
3903
3904 function filter_to_sql($filter, $owner_uid) {
3905 $query = array();
3906
3907 if (DB_TYPE == "pgsql")
3908 $reg_qpart = "~";
3909 else
3910 $reg_qpart = "REGEXP";
3911
3912 foreach ($filter["rules"] AS $rule) {
3913 $regexp_valid = preg_match('/' . $rule['reg_exp'] . '/',
3914 $rule['reg_exp']) !== FALSE;
3915
3916 if ($regexp_valid) {
3917
3918 $rule['reg_exp'] = db_escape_string($rule['reg_exp']);
3919
3920 switch ($rule["type"]) {
3921 case "title":
3922 $qpart = "LOWER(ttrss_entries.title) $reg_qpart LOWER('".
3923 $rule['reg_exp'] . "')";
3924 break;
3925 case "content":
3926 $qpart = "LOWER(ttrss_entries.content) $reg_qpart LOWER('".
3927 $rule['reg_exp'] . "')";
3928 break;
3929 case "both":
3930 $qpart = "LOWER(ttrss_entries.title) $reg_qpart LOWER('".
3931 $rule['reg_exp'] . "') OR LOWER(" .
3932 "ttrss_entries.content) $reg_qpart LOWER('" . $rule['reg_exp'] . "')";
3933 break;
3934 case "tag":
3935 $qpart = "LOWER(ttrss_user_entries.tag_cache) $reg_qpart LOWER('".
3936 $rule['reg_exp'] . "')";
3937 break;
3938 case "link":
3939 $qpart = "LOWER(ttrss_entries.link) $reg_qpart LOWER('".
3940 $rule['reg_exp'] . "')";
3941 break;
3942 case "author":
3943 $qpart = "LOWER(ttrss_entries.author) $reg_qpart LOWER('".
3944 $rule['reg_exp'] . "')";
3945 break;
3946 }
3947
3948 if (isset($rule['inverse'])) $qpart = "NOT ($qpart)";
3949
3950 if (isset($rule["feed_id"]) && $rule["feed_id"] > 0) {
3951 $qpart .= " AND feed_id = " . db_escape_string($rule["feed_id"]);
3952 }
3953
3954 if (isset($rule["cat_id"])) {
3955
3956 if ($rule["cat_id"] > 0) {
3957 $children = getChildCategories($rule["cat_id"], $owner_uid);
3958 array_push($children, $rule["cat_id"]);
3959
3960 $children = join(",", $children);
3961
3962 $cat_qpart = "cat_id IN ($children)";
3963 } else {
3964 $cat_qpart = "cat_id IS NULL";
3965 }
3966
3967 $qpart .= " AND $cat_qpart";
3968 }
3969
3970 array_push($query, "($qpart)");
3971
3972 }
3973 }
3974
3975 if (count($query) > 0) {
3976 $fullquery = "(" . join($filter["match_any_rule"] ? "OR" : "AND", $query) . ")";
3977 } else {
3978 $fullquery = "(false)";
3979 }
3980
3981 if ($filter['inverse']) $fullquery = "(NOT $fullquery)";
3982
3983 return $fullquery;
3984 }
3985
3986 if (!function_exists('gzdecode')) {
3987 function gzdecode($string) { // no support for 2nd argument
3988 return file_get_contents('compress.zlib://data:who/cares;base64,'.
3989 base64_encode($string));
3990 }
3991 }
3992
3993 function get_random_bytes($length) {
3994 if (function_exists('openssl_random_pseudo_bytes')) {
3995 return openssl_random_pseudo_bytes($length);
3996 } else {
3997 $output = "";
3998
3999 for ($i = 0; $i < $length; $i++)
4000 $output .= chr(mt_rand(0, 255));
4001
4002 return $output;
4003 }
4004 }
4005
4006 function read_stdin() {
4007 $fp = fopen("php://stdin", "r");
4008
4009 if ($fp) {
4010 $line = trim(fgets($fp));
4011 fclose($fp);
4012 return $line;
4013 }
4014
4015 return null;
4016 }
4017
4018 function tmpdirname($path, $prefix) {
4019 // Use PHP's tmpfile function to create a temporary
4020 // directory name. Delete the file and keep the name.
4021 $tempname = tempnam($path,$prefix);
4022 if (!$tempname)
4023 return false;
4024
4025 if (!unlink($tempname))
4026 return false;
4027
4028 return $tempname;
4029 }
4030
4031 function getFeedCategory($feed) {
4032 $result = db_query("SELECT cat_id FROM ttrss_feeds
4033 WHERE id = '$feed'");
4034
4035 if (db_num_rows($result) > 0) {
4036 return db_fetch_result($result, 0, "cat_id");
4037 } else {
4038 return false;
4039 }
4040
4041 }
4042
4043 function implements_interface($class, $interface) {
4044 return in_array($interface, class_implements($class));
4045 }
4046
4047 function geturl($url){
4048
4049 if (!function_exists('curl_init'))
4050 return user_error('CURL Must be installed for geturl function to work. Ask your host to enable it or uncomment extension=php_curl.dll in php.ini', E_USER_ERROR);
4051
4052 $curl = curl_init();
4053 $header[0] = "Accept: text/xml,application/xml,application/xhtml+xml,";
4054 $header[0] .= "text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5";
4055 $header[] = "Cache-Control: max-age=0";
4056 $header[] = "Connection: keep-alive";
4057 $header[] = "Keep-Alive: 300";
4058 $header[] = "Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7";
4059 $header[] = "Accept-Language: en-us,en;q=0.5";
4060 $header[] = "Pragma: ";
4061
4062 curl_setopt($curl, CURLOPT_URL, $url);
4063 curl_setopt($curl, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows NT 5.1; rv:5.0) Gecko/20100101 Firefox/5.0 Firefox/5.0');
4064 curl_setopt($curl, CURLOPT_HTTPHEADER, $header);
4065 curl_setopt($curl, CURLOPT_HEADER, true);
4066 curl_setopt($curl, CURLOPT_REFERER, $url);
4067 curl_setopt($curl, CURLOPT_ENCODING, 'gzip,deflate');
4068 curl_setopt($curl, CURLOPT_AUTOREFERER, true);
4069 curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
4070 //curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true); //CURLOPT_FOLLOWLOCATION Disabled...
4071 curl_setopt($curl, CURLOPT_TIMEOUT, 60);
4072
4073 $html = curl_exec($curl);
4074
4075 $status = curl_getinfo($curl);
4076 curl_close($curl);
4077
4078 if($status['http_code']!=200){
4079 if($status['http_code'] == 301 || $status['http_code'] == 302) {
4080 list($header) = explode("\r\n\r\n", $html, 2);
4081 $matches = array();
4082 preg_match("/(Location:|URI:)[^(\n)]*/", $header, $matches);
4083 $url = trim(str_replace($matches[1],"",$matches[0]));
4084 $url_parsed = parse_url($url);
4085 return (isset($url_parsed))? geturl($url, $referer):'';
4086 }
4087 $oline='';
4088 foreach($status as $key=>$eline){$oline.='['.$key.']'.$eline.' ';}
4089 $line =$oline." \r\n ".$url."\r\n-----------------\r\n";
4090 # $handle = @fopen('./curl.error.log', 'a');
4091 # fwrite($handle, $line);
4092 return FALSE;
4093 }
4094 return $url;
4095 }
4096
4097 function get_minified_js($files) {
4098 require_once 'lib/jshrink/Minifier.php';
4099
4100 $rv = '';
4101
4102 foreach ($files as $js) {
4103 if (!isset($_GET['debug'])) {
4104 $cached_file = CACHE_DIR . "/js/$js.js";
4105
4106 if (file_exists($cached_file) &&
4107 is_readable($cached_file) &&
4108 filemtime($cached_file) >= filemtime("js/$js.js")) {
4109
4110 $rv .= file_get_contents($cached_file);
4111
4112 } else {
4113 $minified = JShrink\Minifier::minify(file_get_contents("js/$js.js"));
4114 file_put_contents($cached_file, $minified);
4115 $rv .= $minified;
4116 }
4117 } else {
4118 $rv .= file_get_contents("js/$js.js");
4119 }
4120 }
4121
4122 return $rv;
4123 }
4124
4125 function stylesheet_tag($filename) {
4126 $timestamp = filemtime($filename);
4127
4128 echo "<link rel=\"stylesheet\" type=\"text/css\" href=\"$filename?$timestamp\"/>\n";
4129 }
4130
4131 function javascript_tag($filename) {
4132 $query = "";
4133
4134 if (!(strpos($filename, "?") === FALSE)) {
4135 $query = substr($filename, strpos($filename, "?")+1);
4136 $filename = substr($filename, 0, strpos($filename, "?"));
4137 }
4138
4139 $timestamp = filemtime($filename);
4140
4141 if ($query) $timestamp .= "&$query";
4142
4143 echo "<script type=\"text/javascript\" charset=\"utf-8\" src=\"$filename?$timestamp\"></script>\n";
4144 }
4145
4146 function calculate_dep_timestamp() {
4147 $files = array_merge(glob("js/*.js"), glob("*.css"));
4148
4149 $max_ts = -1;
4150
4151 foreach ($files as $file) {
4152 if (filemtime($file) > $max_ts) $max_ts = filemtime($file);
4153 }
4154
4155 return $max_ts;
4156 }
4157
4158 function T_js_decl($s1, $s2) {
4159 if ($s1 && $s2) {
4160 $s1 = preg_replace("/\n/", "", $s1);
4161 $s2 = preg_replace("/\n/", "", $s2);
4162
4163 $s1 = preg_replace("/\"/", "\\\"", $s1);
4164 $s2 = preg_replace("/\"/", "\\\"", $s2);
4165
4166 return "T_messages[\"$s1\"] = \"$s2\";\n";
4167 }
4168 }
4169
4170 function init_js_translations() {
4171
4172 print 'var T_messages = new Object();
4173
4174 function __(msg) {
4175 if (T_messages[msg]) {
4176 return T_messages[msg];
4177 } else {
4178 return msg;
4179 }
4180 }
4181
4182 function ngettext(msg1, msg2, n) {
4183 return (parseInt(n) > 1) ? msg2 : msg1;
4184 }';
4185
4186 $l10n = _get_reader();
4187
4188 for ($i = 0; $i < $l10n->total; $i++) {
4189 $orig = $l10n->get_original_string($i);
4190 $translation = __($orig);
4191
4192 print T_js_decl($orig, $translation);
4193 }
4194 }
4195
4196 function label_to_feed_id($label) {
4197 return LABEL_BASE_INDEX - 1 - abs($label);
4198 }
4199
4200 function feed_to_label_id($feed) {
4201 return LABEL_BASE_INDEX - 1 + abs($feed);
4202 }
4203
4204 ?>
web-based news feed (RSS/Atom) reader and aggregator; see https://tt-rss.org/