]> git.wh0rd.org - tt-rss.git/blob - include/functions.php
git.wh0rd.org / tt-rss.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
update_rss_feed: simplify debug reporting
[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 global $_debug_enabled;
133 $_debug_enabled = true;
134
135 /**
136 * Print a timestamped debug message.
137 *
138 * @param string $msg The debug message.
139 * @return void
140 */
141 function _debug($msg) {
142 global $_debug_enabled;
143
144 if (!$_debug_enabled) return;
145
146 $ts = strftime("%H:%M:%S", time());
147 if (function_exists('posix_getpid')) {
148 $ts = "$ts/" . posix_getpid();
149 }
150
151 if (!(defined('QUIET') && QUIET)) {
152 print "[$ts] $msg\n";
153 }
154
155 if (defined('LOGFILE')) {
156 $fp = fopen(LOGFILE, 'a+');
157
158 if ($fp) {
159 fputs($fp, "[$ts] $msg\n");
160 fclose($fp);
161 }
162 }
163
164 } // function _debug
165
166 function _debug_enable($enabled) {
167 global $_debug_enabled;
168
169 $old = $_debug_enabled;
170 $_debug_enabled = $enabled;
171
172 return $old;
173 }
174
175 /**
176 * Purge a feed old posts.
177 *
178 * @param mixed $link A database connection.
179 * @param mixed $feed_id The id of the purged feed.
180 * @param mixed $purge_interval Olderness of purged posts.
181 * @param boolean $debug Set to True to enable the debug. False by default.
182 * @access public
183 * @return void
184 */
185 function purge_feed($feed_id, $purge_interval, $debug = false) {
186
187 if (!$purge_interval) $purge_interval = feed_purge_interval($feed_id);
188
189 $rows = -1;
190
191 $result = db_query(
192 "SELECT owner_uid FROM ttrss_feeds WHERE id = '$feed_id'");
193
194 $owner_uid = false;
195
196 if (db_num_rows($result) == 1) {
197 $owner_uid = db_fetch_result($result, 0, "owner_uid");
198 }
199
200 if ($purge_interval == -1 || !$purge_interval) {
201 if ($owner_uid) {
202 ccache_update($feed_id, $owner_uid);
203 }
204 return;
205 }
206
207 if (!$owner_uid) return;
208
209 if (FORCE_ARTICLE_PURGE == 0) {
210 $purge_unread = get_pref("PURGE_UNREAD_ARTICLES",
211 $owner_uid, false);
212 } else {
213 $purge_unread = true;
214 $purge_interval = FORCE_ARTICLE_PURGE;
215 }
216
217 if (!$purge_unread) $query_limit = " unread = false AND ";
218
219 if (DB_TYPE == "pgsql") {
220 $pg_version = get_pgsql_version();
221
222 if (preg_match("/^7\./", $pg_version) || preg_match("/^8\.0/", $pg_version)) {
223
224 $result = db_query("DELETE FROM ttrss_user_entries WHERE
225 ttrss_entries.id = ref_id AND
226 marked = false AND
227 feed_id = '$feed_id' AND
228 $query_limit
229 ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
230
231 } else {
232
233 $result = db_query("DELETE FROM ttrss_user_entries
234 USING ttrss_entries
235 WHERE ttrss_entries.id = ref_id AND
236 marked = false AND
237 feed_id = '$feed_id' AND
238 $query_limit
239 ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
240 }
241
242 } else {
243
244 /* $result = db_query("DELETE FROM ttrss_user_entries WHERE
245 marked = false AND feed_id = '$feed_id' AND
246 (SELECT date_updated FROM ttrss_entries WHERE
247 id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
248
249 $result = db_query("DELETE FROM ttrss_user_entries
250 USING ttrss_user_entries, ttrss_entries
251 WHERE ttrss_entries.id = ref_id AND
252 marked = false AND
253 feed_id = '$feed_id' AND
254 $query_limit
255 ttrss_entries.date_updated < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
256 }
257
258 $rows = db_affected_rows($result);
259
260 ccache_update($feed_id, $owner_uid);
261
262 if ($debug) {
263 _debug("Purged feed $feed_id ($purge_interval): deleted $rows articles");
264 }
265
266 return $rows;
267 } // function purge_feed
268
269 function feed_purge_interval($feed_id) {
270
271 $result = db_query("SELECT purge_interval, owner_uid FROM ttrss_feeds
272 WHERE id = '$feed_id'");
273
274 if (db_num_rows($result) == 1) {
275 $purge_interval = db_fetch_result($result, 0, "purge_interval");
276 $owner_uid = db_fetch_result($result, 0, "owner_uid");
277
278 if ($purge_interval == 0) $purge_interval = get_pref(
279 'PURGE_OLD_DAYS', $owner_uid);
280
281 return $purge_interval;
282
283 } else {
284 return -1;
285 }
286 }
287
288 function purge_orphans($do_output = false) {
289
290 // purge orphaned posts in main content table
291 $result = db_query("DELETE FROM ttrss_entries WHERE
292 (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
293
294 if ($do_output) {
295 $rows = db_affected_rows($result);
296 _debug("Purged $rows orphaned posts.");
297 }
298 }
299
300 function get_feed_update_interval($feed_id) {
301 $result = db_query("SELECT owner_uid, update_interval FROM
302 ttrss_feeds WHERE id = '$feed_id'");
303
304 if (db_num_rows($result) == 1) {
305 $update_interval = db_fetch_result($result, 0, "update_interval");
306 $owner_uid = db_fetch_result($result, 0, "owner_uid");
307
308 if ($update_interval != 0) {
309 return $update_interval;
310 } else {
311 return get_pref('DEFAULT_UPDATE_INTERVAL', $owner_uid, false);
312 }
313
314 } else {
315 return -1;
316 }
317 }
318
319 function fetch_file_contents($url, $type = false, $login = false, $pass = false, $post_query = false, $timeout = false, $timestamp = 0) {
320
321 global $fetch_last_error;
322 global $fetch_last_error_code;
323 global $fetch_last_content_type;
324 global $fetch_curl_used;
325
326 $url = str_replace(' ', '%20', $url);
327
328 if (!defined('NO_CURL') && function_exists('curl_init')) {
329
330 $fetch_curl_used = true;
331
332 if (ini_get("safe_mode") || ini_get("open_basedir")) {
333 $ch = curl_init(geturl($url));
334 } else {
335 $ch = curl_init($url);
336 }
337
338 if ($timestamp) {
339 curl_setopt($ch, CURLOPT_HTTPHEADER,
340 array("If-Modified-Since: ".gmdate('D, d M Y H:i:s \G\M\T', $timestamp)));
341 }
342
343 curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout ? $timeout : FILE_FETCH_CONNECT_TIMEOUT);
344 curl_setopt($ch, CURLOPT_TIMEOUT, $timeout ? $timeout : FILE_FETCH_TIMEOUT);
345 curl_setopt($ch, CURLOPT_FOLLOWLOCATION, !ini_get("safe_mode") && !ini_get("open_basedir"));
346 curl_setopt($ch, CURLOPT_MAXREDIRS, 20);
347 curl_setopt($ch, CURLOPT_BINARYTRANSFER, true);
348 curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
349 curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
350 curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
351 curl_setopt($ch, CURLOPT_USERAGENT, SELF_USER_AGENT);
352 curl_setopt($ch, CURLOPT_ENCODING, "");
353 curl_setopt($ch, CURLOPT_REFERER, $url);
354
355 if ($post_query) {
356 curl_setopt($ch, CURLOPT_POST, true);
357 curl_setopt($ch, CURLOPT_POSTFIELDS, $post_query);
358 }
359
360 if ($login && $pass)
361 curl_setopt($ch, CURLOPT_USERPWD, "$login:$pass");
362
363 $contents = @curl_exec($ch);
364
365 if (curl_errno($ch) === 23 || curl_errno($ch) === 61) {
366 curl_setopt($ch, CURLOPT_ENCODING, 'none');
367 $contents = @curl_exec($ch);
368 }
369
370 if ($contents === false) {
371 $fetch_last_error = curl_errno($ch) . " " . curl_error($ch);
372 curl_close($ch);
373 return false;
374 }
375
376 $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
377 $fetch_last_content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
378
379 $fetch_last_error_code = $http_code;
380
381 if ($http_code != 200 || $type && strpos($fetch_last_content_type, "$type") === false) {
382 if (curl_errno($ch) != 0) {
383 $fetch_last_error = curl_errno($ch) . " " . curl_error($ch);
384 } else {
385 $fetch_last_error = "HTTP Code: $http_code";
386 }
387 curl_close($ch);
388 return false;
389 }
390
391 curl_close($ch);
392
393 return $contents;
394 } else {
395
396 $fetch_curl_used = false;
397
398 if ($login && $pass){
399 $url_parts = array();
400
401 preg_match("/(^[^:]*):\/\/(.*)/", $url, $url_parts);
402
403 $pass = urlencode($pass);
404
405 if ($url_parts[1] && $url_parts[2]) {
406 $url = $url_parts[1] . "://$login:$pass@" . $url_parts[2];
407 }
408 }
409
410 $data = @file_get_contents($url);
411
412 $fetch_last_content_type = false; // reset if no type was sent from server
413 if (is_array($http_response_header)) {
414 foreach ($http_response_header as $h) {
415 if (substr(strtolower($h), 0, 13) == 'content-type:') {
416 $fetch_last_content_type = substr($h, 14);
417 // don't abort here b/c there might be more than one
418 // e.g. if we were being redirected -- last one is the right one
419 }
420 }
421 }
422
423 if (!$data && function_exists('error_get_last')) {
424 $error = error_get_last();
425 $fetch_last_error = $error["message"];
426 }
427 return $data;
428 }
429
430 }
431
432 /**
433 * Try to determine the favicon URL for a feed.
434 * adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/)
435 * http://dev.wp-plugins.org/file/favatars/trunk/favatars.php
436 *
437 * @param string $url A feed or page URL
438 * @access public
439 * @return mixed The favicon URL, or false if none was found.
440 */
441 function get_favicon_url($url) {
442
443 $favicon_url = false;
444
445 if ($html = @fetch_file_contents($url)) {
446
447 libxml_use_internal_errors(true);
448
449 $doc = new DOMDocument();
450 $doc->loadHTML($html);
451 $xpath = new DOMXPath($doc);
452
453 $base = $xpath->query('/html/head/base');
454 foreach ($base as $b) {
455 $url = $b->getAttribute("href");
456 break;
457 }
458
459 $entries = $xpath->query('/html/head/link[@rel="shortcut icon" or @rel="icon"]');
460 if (count($entries) > 0) {
461 foreach ($entries as $entry) {
462 $favicon_url = rewrite_relative_url($url, $entry->getAttribute("href"));
463 break;
464 }
465 }
466 }
467
468 if (!$favicon_url)
469 $favicon_url = rewrite_relative_url($url, "/favicon.ico");
470
471 return $favicon_url;
472 } // function get_favicon_url
473
474 function check_feed_favicon($site_url, $feed) {
475 # print "FAVICON [$site_url]: $favicon_url\n";
476
477 $icon_file = ICONS_DIR . "/$feed.ico";
478
479 if (!file_exists($icon_file)) {
480 $favicon_url = get_favicon_url($site_url);
481
482 if ($favicon_url) {
483 // Limiting to "image" type misses those served with text/plain
484 $contents = fetch_file_contents($favicon_url); // , "image");
485
486 if ($contents) {
487 // Crude image type matching.
488 // Patterns gleaned from the file(1) source code.
489 if (preg_match('/^\x00\x00\x01\x00/', $contents)) {
490 // 0 string \000\000\001\000 MS Windows icon resource
491 //error_log("check_feed_favicon: favicon_url=$favicon_url isa MS Windows icon resource");
492 }
493 elseif (preg_match('/^GIF8/', $contents)) {
494 // 0 string GIF8 GIF image data
495 //error_log("check_feed_favicon: favicon_url=$favicon_url isa GIF image");
496 }
497 elseif (preg_match('/^\x89PNG\x0d\x0a\x1a\x0a/', $contents)) {
498 // 0 string \x89PNG\x0d\x0a\x1a\x0a PNG image data
499 //error_log("check_feed_favicon: favicon_url=$favicon_url isa PNG image");
500 }
501 elseif (preg_match('/^\xff\xd8/', $contents)) {
502 // 0 beshort 0xffd8 JPEG image data
503 //error_log("check_feed_favicon: favicon_url=$favicon_url isa JPG image");
504 }
505 else {
506 //error_log("check_feed_favicon: favicon_url=$favicon_url isa UNKNOWN type");
507 $contents = "";
508 }
509 }
510
511 if ($contents) {
512 $fp = @fopen($icon_file, "w");
513
514 if ($fp) {
515 fwrite($fp, $contents);
516 fclose($fp);
517 chmod($icon_file, 0644);
518 }
519 }
520 }
521 return $icon_file;
522 }
523 }
524
525 function print_select($id, $default, $values, $attributes = "") {
526 print "<select name=\"$id\" id=\"$id\" $attributes>";
527 foreach ($values as $v) {
528 if ($v == $default)
529 $sel = "selected=\"1\"";
530 else
531 $sel = "";
532
533 $v = trim($v);
534
535 print "<option value=\"$v\" $sel>$v</option>";
536 }
537 print "</select>";
538 }
539
540 function print_select_hash($id, $default, $values, $attributes = "") {
541 print "<select name=\"$id\" id='$id' $attributes>";
542 foreach (array_keys($values) as $v) {
543 if ($v == $default)
544 $sel = 'selected="selected"';
545 else
546 $sel = "";
547
548 $v = trim($v);
549
550 print "<option $sel value=\"$v\">".$values[$v]."</option>";
551 }
552
553 print "</select>";
554 }
555
556 function print_radio($id, $default, $true_is, $values, $attributes = "") {
557 foreach ($values as $v) {
558
559 if ($v == $default)
560 $sel = "checked";
561 else
562 $sel = "";
563
564 if ($v == $true_is) {
565 $sel .= " value=\"1\"";
566 } else {
567 $sel .= " value=\"0\"";
568 }
569
570 print "<input class=\"noborder\" dojoType=\"dijit.form.RadioButton\"
571 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
572
573 }
574 }
575
576 function initialize_user_prefs($uid, $profile = false) {
577
578 $uid = db_escape_string($uid);
579
580 if (!$profile) {
581 $profile = "NULL";
582 $profile_qpart = "AND profile IS NULL";
583 } else {
584 $profile_qpart = "AND profile = '$profile'";
585 }
586
587 if (get_schema_version() < 63) $profile_qpart = "";
588
589 db_query("BEGIN");
590
591 $result = db_query("SELECT pref_name,def_value FROM ttrss_prefs");
592
593 $u_result = db_query("SELECT pref_name
594 FROM ttrss_user_prefs WHERE owner_uid = '$uid' $profile_qpart");
595
596 $active_prefs = array();
597
598 while ($line = db_fetch_assoc($u_result)) {
599 array_push($active_prefs, $line["pref_name"]);
600 }
601
602 while ($line = db_fetch_assoc($result)) {
603 if (array_search($line["pref_name"], $active_prefs) === FALSE) {
604 // print "adding " . $line["pref_name"] . "<br>";
605
606 $line["def_value"] = db_escape_string($line["def_value"]);
607 $line["pref_name"] = db_escape_string($line["pref_name"]);
608
609 if (get_schema_version() < 63) {
610 db_query("INSERT INTO ttrss_user_prefs
611 (owner_uid,pref_name,value) VALUES
612 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
613
614 } else {
615 db_query("INSERT INTO ttrss_user_prefs
616 (owner_uid,pref_name,value, profile) VALUES
617 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."', $profile)");
618 }
619
620 }
621 }
622
623 db_query("COMMIT");
624
625 }
626
627 function get_ssl_certificate_id() {
628 if ($_SERVER["REDIRECT_SSL_CLIENT_M_SERIAL"]) {
629 return sha1($_SERVER["REDIRECT_SSL_CLIENT_M_SERIAL"] .
630 $_SERVER["REDIRECT_SSL_CLIENT_V_START"] .
631 $_SERVER["REDIRECT_SSL_CLIENT_V_END"] .
632 $_SERVER["REDIRECT_SSL_CLIENT_S_DN"]);
633 }
634 return "";
635 }
636
637 function authenticate_user($login, $password, $check_only = false) {
638
639 if (!SINGLE_USER_MODE) {
640 $user_id = false;
641
642 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_AUTH_USER) as $plugin) {
643
644 $user_id = (int) $plugin->authenticate($login, $password);
645
646 if ($user_id) {
647 $_SESSION["auth_module"] = strtolower(get_class($plugin));
648 break;
649 }
650 }
651
652 if ($user_id && !$check_only) {
653 @session_start();
654
655 $_SESSION["uid"] = $user_id;
656 $_SESSION["version"] = VERSION;
657
658 $result = db_query("SELECT login,access_level,pwd_hash FROM ttrss_users
659 WHERE id = '$user_id'");
660
661 $_SESSION["name"] = db_fetch_result($result, 0, "login");
662 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
663 $_SESSION["csrf_token"] = sha1(uniqid(rand(), true));
664
665 db_query("UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
666 $_SESSION["uid"]);
667
668 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
669 $_SESSION["user_agent"] = sha1($_SERVER['HTTP_USER_AGENT']);
670 $_SESSION["pwd_hash"] = db_fetch_result($result, 0, "pwd_hash");
671
672 $_SESSION["last_version_check"] = time();
673
674 initialize_user_prefs($_SESSION["uid"]);
675
676 return true;
677 }
678
679 return false;
680
681 } else {
682
683 $_SESSION["uid"] = 1;
684 $_SESSION["name"] = "admin";
685 $_SESSION["access_level"] = 10;
686
687 $_SESSION["hide_hello"] = true;
688 $_SESSION["hide_logout"] = true;
689
690 $_SESSION["auth_module"] = false;
691
692 if (!$_SESSION["csrf_token"]) {
693 $_SESSION["csrf_token"] = sha1(uniqid(rand(), true));
694 }
695
696 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
697
698 initialize_user_prefs($_SESSION["uid"]);
699
700 return true;
701 }
702 }
703
704 function make_password($length = 8) {
705
706 $password = "";
707 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
708
709 $i = 0;
710
711 while ($i < $length) {
712 $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
713
714 if (!strstr($password, $char)) {
715 $password .= $char;
716 $i++;
717 }
718 }
719 return $password;
720 }
721
722 // this is called after user is created to initialize default feeds, labels
723 // or whatever else
724
725 // user preferences are checked on every login, not here
726
727 function initialize_user($uid) {
728
729 db_query("insert into ttrss_feeds (owner_uid,title,feed_url)
730 values ('$uid', 'Tiny Tiny RSS: New Releases',
731 'http://tt-rss.org/releases.rss')");
732
733 db_query("insert into ttrss_feeds (owner_uid,title,feed_url)
734 values ('$uid', 'Tiny Tiny RSS: Forum',
735 'http://tt-rss.org/forum/rss.php')");
736 }
737
738 function logout_user() {
739 session_destroy();
740 if (isset($_COOKIE[session_name()])) {
741 setcookie(session_name(), '', time()-42000, '/');
742 }
743 }
744
745 function validate_csrf($csrf_token) {
746 return $csrf_token == $_SESSION['csrf_token'];
747 }
748
749 function load_user_plugins($owner_uid) {
750 if ($owner_uid) {
751 $plugins = get_pref("_ENABLED_PLUGINS", $owner_uid);
752
753 PluginHost::getInstance()->load($plugins, PluginHost::KIND_USER, $owner_uid);
754
755 if (get_schema_version() > 100) {
756 PluginHost::getInstance()->load_data();
757 }
758 }
759 }
760
761 function login_sequence() {
762 if (SINGLE_USER_MODE) {
763 @session_start();
764 authenticate_user("admin", null);
765 load_user_plugins($_SESSION["uid"]);
766 } else {
767 if (!validate_session()) $_SESSION["uid"] = false;
768
769 if (!$_SESSION["uid"]) {
770
771 if (AUTH_AUTO_LOGIN && authenticate_user(null, null)) {
772 $_SESSION["ref_schema_version"] = get_schema_version(true);
773 } else {
774 authenticate_user(null, null, true);
775 }
776
777 if (!$_SESSION["uid"]) {
778 @session_destroy();
779 setcookie(session_name(), '', time()-42000, '/');
780
781 render_login_form();
782 exit;
783 }
784
785 } else {
786 /* bump login timestamp */
787 db_query("UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
788 $_SESSION["uid"]);
789 $_SESSION["last_login_update"] = time();
790 }
791
792 if ($_SESSION["uid"] && $_SESSION["language"] && SESSION_COOKIE_LIFETIME > 0) {
793 setcookie("ttrss_lang", $_SESSION["language"],
794 time() + SESSION_COOKIE_LIFETIME);
795 }
796
797 if ($_SESSION["uid"]) {
798 load_user_plugins($_SESSION["uid"]);
799
800 /* cleanup ccache */
801
802 db_query("DELETE FROM ttrss_counters_cache WHERE owner_uid = ".
803 $_SESSION["uid"] . " AND
804 (SELECT COUNT(id) FROM ttrss_feeds WHERE
805 ttrss_feeds.id = feed_id) = 0");
806
807 db_query("DELETE FROM ttrss_cat_counters_cache WHERE owner_uid = ".
808 $_SESSION["uid"] . " AND
809 (SELECT COUNT(id) FROM ttrss_feed_categories WHERE
810 ttrss_feed_categories.id = feed_id) = 0");
811
812 }
813
814 }
815 }
816
817 function truncate_string($str, $max_len, $suffix = '&hellip;') {
818 if (mb_strlen($str, "utf-8") > $max_len - 3) {
819 return mb_substr($str, 0, $max_len, "utf-8") . $suffix;
820 } else {
821 return $str;
822 }
823 }
824
825 function convert_timestamp($timestamp, $source_tz, $dest_tz) {
826
827 try {
828 $source_tz = new DateTimeZone($source_tz);
829 } catch (Exception $e) {
830 $source_tz = new DateTimeZone('UTC');
831 }
832
833 try {
834 $dest_tz = new DateTimeZone($dest_tz);
835 } catch (Exception $e) {
836 $dest_tz = new DateTimeZone('UTC');
837 }
838
839 $dt = new DateTime(date('Y-m-d H:i:s', $timestamp), $source_tz);
840 return $dt->format('U') + $dest_tz->getOffset($dt);
841 }
842
843 function make_local_datetime($timestamp, $long, $owner_uid = false,
844 $no_smart_dt = false) {
845
846 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
847 if (!$timestamp) $timestamp = '1970-01-01 0:00';
848
849 global $utc_tz;
850 global $tz_offset;
851
852 # We store date in UTC internally
853 $dt = new DateTime($timestamp, $utc_tz);
854
855 if ($tz_offset == -1) {
856
857 $user_tz_string = get_pref('USER_TIMEZONE', $owner_uid);
858
859 try {
860 $user_tz = new DateTimeZone($user_tz_string);
861 } catch (Exception $e) {
862 $user_tz = $utc_tz;
863 }
864
865 $tz_offset = $user_tz->getOffset($dt);
866 }
867
868 $user_timestamp = $dt->format('U') + $tz_offset;
869
870 if (!$no_smart_dt) {
871 return smart_date_time($user_timestamp,
872 $tz_offset, $owner_uid);
873 } else {
874 if ($long)
875 $format = get_pref('LONG_DATE_FORMAT', $owner_uid);
876 else
877 $format = get_pref('SHORT_DATE_FORMAT', $owner_uid);
878
879 return date($format, $user_timestamp);
880 }
881 }
882
883 function smart_date_time($timestamp, $tz_offset = 0, $owner_uid = false) {
884 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
885
886 if (date("Y.m.d", $timestamp) == date("Y.m.d", time() + $tz_offset)) {
887 return date("G:i", $timestamp);
888 } else if (date("Y", $timestamp) == date("Y", time() + $tz_offset)) {
889 $format = get_pref('SHORT_DATE_FORMAT', $owner_uid);
890 return date($format, $timestamp);
891 } else {
892 $format = get_pref('LONG_DATE_FORMAT', $owner_uid);
893 return date($format, $timestamp);
894 }
895 }
896
897 function sql_bool_to_bool($s) {
898 if ($s == "t" || $s == "1" || strtolower($s) == "true") {
899 return true;
900 } else {
901 return false;
902 }
903 }
904
905 function bool_to_sql_bool($s) {
906 if ($s) {
907 return "true";
908 } else {
909 return "false";
910 }
911 }
912
913 // Session caching removed due to causing wrong redirects to upgrade
914 // script when get_schema_version() is called on an obsolete session
915 // created on a previous schema version.
916 function get_schema_version($nocache = false) {
917 global $schema_version;
918
919 if (!$schema_version) {
920 $result = db_query("SELECT schema_version FROM ttrss_version");
921 $version = db_fetch_result($result, 0, "schema_version");
922 $schema_version = $version;
923 return $version;
924 } else {
925 return $schema_version;
926 }
927 }
928
929 function sanity_check() {
930 require_once 'errors.php';
931
932 $error_code = 0;
933 $schema_version = get_schema_version(true);
934
935 if ($schema_version != SCHEMA_VERSION) {
936 $error_code = 5;
937 }
938
939 if (DB_TYPE == "mysql") {
940 $result = db_query("SELECT true", false);
941 if (db_num_rows($result) != 1) {
942 $error_code = 10;
943 }
944 }
945
946 if (db_escape_string("testTEST") != "testTEST") {
947 $error_code = 12;
948 }
949
950 return array("code" => $error_code, "message" => $ERRORS[$error_code]);
951 }
952
953 function file_is_locked($filename) {
954 if (function_exists('flock')) {
955 $fp = @fopen(LOCK_DIRECTORY . "/$filename", "r");
956 if ($fp) {
957 if (flock($fp, LOCK_EX | LOCK_NB)) {
958 flock($fp, LOCK_UN);
959 fclose($fp);
960 return false;
961 }
962 fclose($fp);
963 return true;
964 } else {
965 return false;
966 }
967 }
968 return true; // consider the file always locked and skip the test
969 }
970
971 function make_lockfile($filename) {
972 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
973
974 if ($fp && flock($fp, LOCK_EX | LOCK_NB)) {
975 if (function_exists('posix_getpid')) {
976 fwrite($fp, posix_getpid() . "\n");
977 }
978 return $fp;
979 } else {
980 return false;
981 }
982 }
983
984 function make_stampfile($filename) {
985 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
986
987 if (flock($fp, LOCK_EX | LOCK_NB)) {
988 fwrite($fp, time() . "\n");
989 flock($fp, LOCK_UN);
990 fclose($fp);
991 return true;
992 } else {
993 return false;
994 }
995 }
996
997 function sql_random_function() {
998 if (DB_TYPE == "mysql") {
999 return "RAND()";
1000 } else {
1001 return "RANDOM()";
1002 }
1003 }
1004
1005 function catchup_feed($feed, $cat_view, $owner_uid = false, $max_id = false, $mode = 'all') {
1006
1007 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
1008
1009 //if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
1010
1011 // Todo: all this interval stuff needs some generic generator function
1012
1013 $date_qpart = "false";
1014
1015 switch ($mode) {
1016 case "1day":
1017 if (DB_TYPE == "pgsql") {
1018 $date_qpart = "date_entered < NOW() - INTERVAL '1 day' ";
1019 } else {
1020 $date_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 1 DAY) ";
1021 }
1022 break;
1023 case "1week":
1024 if (DB_TYPE == "pgsql") {
1025 $date_qpart = "date_entered < NOW() - INTERVAL '1 week' ";
1026 } else {
1027 $date_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 1 WEEK) ";
1028 }
1029 break;
1030 case "2weeks":
1031 if (DB_TYPE == "pgsql") {
1032 $date_qpart = "date_entered < NOW() - INTERVAL '2 week' ";
1033 } else {
1034 $date_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 2 WEEK) ";
1035 }
1036 break;
1037 default:
1038 $date_qpart = "true";
1039 }
1040
1041 if (is_numeric($feed)) {
1042 if ($cat_view) {
1043
1044 if ($feed >= 0) {
1045
1046 if ($feed > 0) {
1047 $children = getChildCategories($feed, $owner_uid);
1048 array_push($children, $feed);
1049
1050 $children = join(",", $children);
1051
1052 $cat_qpart = "cat_id IN ($children)";
1053 } else {
1054 $cat_qpart = "cat_id IS NULL";
1055 }
1056
1057 db_query("UPDATE ttrss_user_entries
1058 SET unread = false, last_read = NOW() WHERE ref_id IN
1059 (SELECT id FROM
1060 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1061 AND owner_uid = $owner_uid AND unread = true AND feed_id IN
1062 (SELECT id FROM ttrss_feeds WHERE $cat_qpart) AND $date_qpart) as tmp)");
1063
1064 } else if ($feed == -2) {
1065
1066 db_query("UPDATE ttrss_user_entries
1067 SET unread = false,last_read = NOW() WHERE (SELECT COUNT(*)
1068 FROM ttrss_user_labels2 WHERE article_id = ref_id) > 0
1069 AND unread = true AND $date_qpart AND owner_uid = $owner_uid");
1070 }
1071
1072 } else if ($feed > 0) {
1073
1074 db_query("UPDATE ttrss_user_entries
1075 SET unread = false, last_read = NOW() WHERE ref_id IN
1076 (SELECT id FROM
1077 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1078 AND owner_uid = $owner_uid AND unread = true AND feed_id = $feed AND $date_qpart) as tmp)");
1079
1080 } else if ($feed < 0 && $feed > LABEL_BASE_INDEX) { // special, like starred
1081
1082 if ($feed == -1) {
1083 db_query("UPDATE ttrss_user_entries
1084 SET unread = false, last_read = NOW() WHERE ref_id IN
1085 (SELECT id FROM
1086 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1087 AND owner_uid = $owner_uid AND unread = true AND marked = true AND $date_qpart) as tmp)");
1088 }
1089
1090 if ($feed == -2) {
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 published = true AND $date_qpart) as tmp)");
1096 }
1097
1098 if ($feed == -3) {
1099
1100 $intl = get_pref("FRESH_ARTICLE_MAX_AGE");
1101
1102 if (DB_TYPE == "pgsql") {
1103 $match_part = "date_entered > NOW() - INTERVAL '$intl hour' ";
1104 } else {
1105 $match_part = "date_entered > DATE_SUB(NOW(),
1106 INTERVAL $intl HOUR) ";
1107 }
1108
1109 db_query("UPDATE ttrss_user_entries
1110 SET unread = false, last_read = NOW() WHERE ref_id IN
1111 (SELECT id FROM
1112 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1113 AND owner_uid = $owner_uid AND unread = true AND $date_qpart AND $match_part) as tmp)");
1114 }
1115
1116 if ($feed == -4) {
1117 db_query("UPDATE ttrss_user_entries
1118 SET unread = false, last_read = NOW() WHERE ref_id IN
1119 (SELECT id FROM
1120 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1121 AND owner_uid = $owner_uid AND unread = true AND $date_qpart) as tmp)");
1122 }
1123
1124 } else if ($feed < LABEL_BASE_INDEX) { // label
1125
1126 $label_id = feed_to_label_id($feed);
1127
1128 db_query("UPDATE ttrss_user_entries
1129 SET unread = false, last_read = NOW() WHERE ref_id IN
1130 (SELECT id FROM
1131 (SELECT ttrss_entries.id FROM ttrss_entries, ttrss_user_entries, ttrss_user_labels2 WHERE ref_id = id
1132 AND label_id = '$label_id' AND ref_id = article_id
1133 AND owner_uid = $owner_uid AND unread = true AND $date_qpart) as tmp)");
1134
1135 }
1136
1137 ccache_update($feed, $owner_uid, $cat_view);
1138
1139 } else { // tag
1140 db_query("UPDATE ttrss_user_entries
1141 SET unread = false, last_read = NOW() WHERE ref_id IN
1142 (SELECT id FROM
1143 (SELECT ttrss_entries.id FROM ttrss_entries, ttrss_user_entries, ttrss_tags WHERE ref_id = ttrss_entries.id
1144 AND post_int_id = int_id AND tag_name = '$feed'
1145 AND ttrss_user_entries.owner_uid = $owner_uid AND unread = true AND $date_qpart) as tmp)");
1146
1147 }
1148 }
1149
1150 function getAllCounters() {
1151 $data = getGlobalCounters();
1152
1153 $data = array_merge($data, getVirtCounters());
1154 $data = array_merge($data, getLabelCounters());
1155 $data = array_merge($data, getFeedCounters($active_feed));
1156 $data = array_merge($data, getCategoryCounters());
1157
1158 return $data;
1159 }
1160
1161 function getCategoryTitle($cat_id) {
1162
1163 if ($cat_id == -1) {
1164 return __("Special");
1165 } else if ($cat_id == -2) {
1166 return __("Labels");
1167 } else {
1168
1169 $result = db_query("SELECT title FROM ttrss_feed_categories WHERE
1170 id = '$cat_id'");
1171
1172 if (db_num_rows($result) == 1) {
1173 return db_fetch_result($result, 0, "title");
1174 } else {
1175 return __("Uncategorized");
1176 }
1177 }
1178 }
1179
1180
1181 function getCategoryCounters() {
1182 $ret_arr = array();
1183
1184 /* Labels category */
1185
1186 $cv = array("id" => -2, "kind" => "cat",
1187 "counter" => getCategoryUnread(-2));
1188
1189 array_push($ret_arr, $cv);
1190
1191 $result = db_query("SELECT id AS cat_id, value AS unread,
1192 (SELECT COUNT(id) FROM ttrss_feed_categories AS c2
1193 WHERE c2.parent_cat = ttrss_feed_categories.id) AS num_children
1194 FROM ttrss_feed_categories, ttrss_cat_counters_cache
1195 WHERE ttrss_cat_counters_cache.feed_id = id AND
1196 ttrss_cat_counters_cache.owner_uid = ttrss_feed_categories.owner_uid AND
1197 ttrss_feed_categories.owner_uid = " . $_SESSION["uid"]);
1198
1199 while ($line = db_fetch_assoc($result)) {
1200 $line["cat_id"] = (int) $line["cat_id"];
1201
1202 if ($line["num_children"] > 0) {
1203 $child_counter = getCategoryChildrenUnread($line["cat_id"], $_SESSION["uid"]);
1204 } else {
1205 $child_counter = 0;
1206 }
1207
1208 $cv = array("id" => $line["cat_id"], "kind" => "cat",
1209 "counter" => $line["unread"] + $child_counter);
1210
1211 array_push($ret_arr, $cv);
1212 }
1213
1214 /* Special case: NULL category doesn't actually exist in the DB */
1215
1216 $cv = array("id" => 0, "kind" => "cat",
1217 "counter" => (int) ccache_find(0, $_SESSION["uid"], true));
1218
1219 array_push($ret_arr, $cv);
1220
1221 return $ret_arr;
1222 }
1223
1224 // only accepts real cats (>= 0)
1225 function getCategoryChildrenUnread($cat, $owner_uid = false) {
1226 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1227
1228 $result = db_query("SELECT id FROM ttrss_feed_categories WHERE parent_cat = '$cat'
1229 AND owner_uid = $owner_uid");
1230
1231 $unread = 0;
1232
1233 while ($line = db_fetch_assoc($result)) {
1234 $unread += getCategoryUnread($line["id"], $owner_uid);
1235 $unread += getCategoryChildrenUnread($line["id"], $owner_uid);
1236 }
1237
1238 return $unread;
1239 }
1240
1241 function getCategoryUnread($cat, $owner_uid = false) {
1242
1243 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1244
1245 if ($cat >= 0) {
1246
1247 if ($cat != 0) {
1248 $cat_query = "cat_id = '$cat'";
1249 } else {
1250 $cat_query = "cat_id IS NULL";
1251 }
1252
1253 $result = db_query("SELECT id FROM ttrss_feeds WHERE $cat_query
1254 AND owner_uid = " . $owner_uid);
1255
1256 $cat_feeds = array();
1257 while ($line = db_fetch_assoc($result)) {
1258 array_push($cat_feeds, "feed_id = " . $line["id"]);
1259 }
1260
1261 if (count($cat_feeds) == 0) return 0;
1262
1263 $match_part = implode(" OR ", $cat_feeds);
1264
1265 $result = db_query("SELECT COUNT(int_id) AS unread
1266 FROM ttrss_user_entries
1267 WHERE unread = true AND ($match_part)
1268 AND owner_uid = " . $owner_uid);
1269
1270 $unread = 0;
1271
1272 # this needs to be rewritten
1273 while ($line = db_fetch_assoc($result)) {
1274 $unread += $line["unread"];
1275 }
1276
1277 return $unread;
1278 } else if ($cat == -1) {
1279 return getFeedUnread(-1) + getFeedUnread($link, -2) + getFeedUnread($link, -3) + getFeedUnread($link, 0);
1280 } else if ($cat == -2) {
1281
1282 $result = db_query("
1283 SELECT COUNT(unread) AS unread FROM
1284 ttrss_user_entries, ttrss_user_labels2
1285 WHERE article_id = ref_id AND unread = true
1286 AND ttrss_user_entries.owner_uid = '$owner_uid'");
1287
1288 $unread = db_fetch_result($result, 0, "unread");
1289
1290 return $unread;
1291
1292 }
1293 }
1294
1295 function getFeedUnread($feed, $is_cat = false) {
1296 return getFeedArticles($feed, $is_cat, true, $_SESSION["uid"]);
1297 }
1298
1299 function getLabelUnread($label_id, $owner_uid = false) {
1300 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1301
1302 $result = db_query("SELECT COUNT(ref_id) AS unread FROM ttrss_user_entries, ttrss_user_labels2
1303 WHERE owner_uid = '$owner_uid' AND unread = true AND label_id = '$label_id' AND article_id = ref_id");
1304
1305 if (db_num_rows($result) != 0) {
1306 return db_fetch_result($result, 0, "unread");
1307 } else {
1308 return 0;
1309 }
1310 }
1311
1312 function getFeedArticles($feed, $is_cat = false, $unread_only = false,
1313 $owner_uid = false) {
1314
1315 $n_feed = (int) $feed;
1316 $need_entries = false;
1317
1318 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1319
1320 if ($unread_only) {
1321 $unread_qpart = "unread = true";
1322 } else {
1323 $unread_qpart = "true";
1324 }
1325
1326 if ($is_cat) {
1327 return getCategoryUnread($n_feed, $owner_uid);
1328 } else if ($n_feed == -6) {
1329 return 0;
1330 } else if ($feed != "0" && $n_feed == 0) {
1331
1332 $feed = db_escape_string($feed);
1333
1334 $result = db_query("SELECT SUM((SELECT COUNT(int_id)
1335 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
1336 AND ref_id = id AND $unread_qpart)) AS count FROM ttrss_tags
1337 WHERE owner_uid = $owner_uid AND tag_name = '$feed'");
1338 return db_fetch_result($result, 0, "count");
1339
1340 } else if ($n_feed == -1) {
1341 $match_part = "marked = true";
1342 } else if ($n_feed == -2) {
1343 $match_part = "published = true";
1344 } else if ($n_feed == -3) {
1345 $match_part = "unread = true AND score >= 0";
1346
1347 $intl = get_pref("FRESH_ARTICLE_MAX_AGE", $owner_uid);
1348
1349 if (DB_TYPE == "pgsql") {
1350 $match_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
1351 } else {
1352 $match_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
1353 }
1354
1355 $need_entries = true;
1356
1357 } else if ($n_feed == -4) {
1358 $match_part = "true";
1359 } else if ($n_feed >= 0) {
1360
1361 if ($n_feed != 0) {
1362 $match_part = "feed_id = '$n_feed'";
1363 } else {
1364 $match_part = "feed_id IS NULL";
1365 }
1366
1367 } else if ($feed < LABEL_BASE_INDEX) {
1368
1369 $label_id = feed_to_label_id($feed);
1370
1371 return getLabelUnread($label_id, $owner_uid);
1372
1373 }
1374
1375 if ($match_part) {
1376
1377 if ($need_entries) {
1378 $from_qpart = "ttrss_user_entries,ttrss_entries";
1379 $from_where = "ttrss_entries.id = ttrss_user_entries.ref_id AND";
1380 } else {
1381 $from_qpart = "ttrss_user_entries";
1382 }
1383
1384 $query = "SELECT count(int_id) AS unread
1385 FROM $from_qpart WHERE
1386 $unread_qpart AND $from_where ($match_part) AND ttrss_user_entries.owner_uid = $owner_uid";
1387
1388 //echo "[$feed/$query]\n";
1389
1390 $result = db_query($query);
1391
1392 } else {
1393
1394 $result = db_query("SELECT COUNT(post_int_id) AS unread
1395 FROM ttrss_tags,ttrss_user_entries,ttrss_entries
1396 WHERE tag_name = '$feed' AND post_int_id = int_id AND ref_id = ttrss_entries.id
1397 AND $unread_qpart AND ttrss_tags.owner_uid = " . $owner_uid);
1398 }
1399
1400 $unread = db_fetch_result($result, 0, "unread");
1401
1402 return $unread;
1403 }
1404
1405 function getGlobalUnread($user_id = false) {
1406
1407 if (!$user_id) {
1408 $user_id = $_SESSION["uid"];
1409 }
1410
1411 $result = db_query("SELECT SUM(value) AS c_id FROM ttrss_counters_cache
1412 WHERE owner_uid = '$user_id' AND feed_id > 0");
1413
1414 $c_id = db_fetch_result($result, 0, "c_id");
1415
1416 return $c_id;
1417 }
1418
1419 function getGlobalCounters($global_unread = -1) {
1420 $ret_arr = array();
1421
1422 if ($global_unread == -1) {
1423 $global_unread = getGlobalUnread();
1424 }
1425
1426 $cv = array("id" => "global-unread",
1427 "counter" => (int) $global_unread);
1428
1429 array_push($ret_arr, $cv);
1430
1431 $result = db_query("SELECT COUNT(id) AS fn FROM
1432 ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
1433
1434 $subscribed_feeds = db_fetch_result($result, 0, "fn");
1435
1436 $cv = array("id" => "subscribed-feeds",
1437 "counter" => (int) $subscribed_feeds);
1438
1439 array_push($ret_arr, $cv);
1440
1441 return $ret_arr;
1442 }
1443
1444 function getVirtCounters() {
1445
1446 $ret_arr = array();
1447
1448 for ($i = 0; $i >= -4; $i--) {
1449
1450 $count = getFeedUnread($i);
1451
1452 $cv = array("id" => $i,
1453 "counter" => (int) $count);
1454
1455 // if (get_pref('EXTENDED_FEEDLIST'))
1456 // $cv["xmsg"] = getFeedArticles($i)." ".__("total");
1457
1458 array_push($ret_arr, $cv);
1459 }
1460
1461 $feeds = PluginHost::getInstance()->get_feeds(-1);
1462
1463 if (is_array($feeds)) {
1464 foreach ($feeds as $feed) {
1465 $cv = array("id" => PluginHost::pfeed_to_feed_id($feed['id']),
1466 "counter" => $feed['sender']->get_unread($feed['id']));
1467 array_push($ret_arr, $cv);
1468 }
1469 }
1470
1471 return $ret_arr;
1472 }
1473
1474 function getLabelCounters($descriptions = false) {
1475
1476 $ret_arr = array();
1477
1478 $owner_uid = $_SESSION["uid"];
1479
1480 $result = db_query("SELECT id,caption,COUNT(unread) AS unread
1481 FROM ttrss_labels2 LEFT JOIN ttrss_user_labels2 ON
1482 (ttrss_labels2.id = label_id)
1483 LEFT JOIN ttrss_user_entries ON (ref_id = article_id AND unread = true
1484 AND ttrss_user_entries.owner_uid = $owner_uid)
1485 WHERE ttrss_labels2.owner_uid = $owner_uid GROUP BY ttrss_labels2.id,
1486 ttrss_labels2.caption");
1487
1488 while ($line = db_fetch_assoc($result)) {
1489
1490 $id = label_to_feed_id($line["id"]);
1491
1492 $label_name = $line["caption"];
1493 $count = $line["unread"];
1494
1495 $cv = array("id" => $id,
1496 "counter" => (int) $count);
1497
1498 if ($descriptions)
1499 $cv["description"] = $label_name;
1500
1501 // if (get_pref('EXTENDED_FEEDLIST'))
1502 // $cv["xmsg"] = getFeedArticles($id)." ".__("total");
1503
1504 array_push($ret_arr, $cv);
1505 }
1506
1507 return $ret_arr;
1508 }
1509
1510 function getFeedCounters($active_feed = false) {
1511
1512 $ret_arr = array();
1513
1514 $query = "SELECT ttrss_feeds.id,
1515 ttrss_feeds.title,
1516 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
1517 last_error, value AS count
1518 FROM ttrss_feeds, ttrss_counters_cache
1519 WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
1520 AND ttrss_counters_cache.owner_uid = ttrss_feeds.owner_uid
1521 AND ttrss_counters_cache.feed_id = id";
1522
1523 $result = db_query($query);
1524 $fctrs_modified = false;
1525
1526 while ($line = db_fetch_assoc($result)) {
1527
1528 $id = $line["id"];
1529 $count = $line["count"];
1530 $last_error = htmlspecialchars($line["last_error"]);
1531
1532 $last_updated = make_local_datetime($line['last_updated'], false);
1533
1534 $has_img = feed_has_icon($id);
1535
1536 if (date('Y') - date('Y', strtotime($line['last_updated'])) > 2)
1537 $last_updated = '';
1538
1539 $cv = array("id" => $id,
1540 "updated" => $last_updated,
1541 "counter" => (int) $count,
1542 "has_img" => (int) $has_img);
1543
1544 if ($last_error)
1545 $cv["error"] = $last_error;
1546
1547 // if (get_pref('EXTENDED_FEEDLIST'))
1548 // $cv["xmsg"] = getFeedArticles($id)." ".__("total");
1549
1550 if ($active_feed && $id == $active_feed)
1551 $cv["title"] = truncate_string($line["title"], 30);
1552
1553 array_push($ret_arr, $cv);
1554
1555 }
1556
1557 return $ret_arr;
1558 }
1559
1560 function get_pgsql_version() {
1561 $result = db_query("SELECT version() AS version");
1562 $version = explode(" ", db_fetch_result($result, 0, "version"));
1563 return $version[1];
1564 }
1565
1566 /**
1567 * @return array (code => Status code, message => error message if available)
1568 *
1569 * 0 - OK, Feed already exists
1570 * 1 - OK, Feed added
1571 * 2 - Invalid URL
1572 * 3 - URL content is HTML, no feeds available
1573 * 4 - URL content is HTML which contains multiple feeds.
1574 * Here you should call extractfeedurls in rpc-backend
1575 * to get all possible feeds.
1576 * 5 - Couldn't download the URL content.
1577 * 6 - Content is an invalid XML.
1578 */
1579 function subscribe_to_feed($url, $cat_id = 0,
1580 $auth_login = '', $auth_pass = '') {
1581
1582 global $fetch_last_error;
1583
1584 require_once "include/rssfuncs.php";
1585
1586 $url = fix_url($url);
1587
1588 if (!$url || !validate_feed_url($url)) return array("code" => 2);
1589
1590 $contents = @fetch_file_contents($url, false, $auth_login, $auth_pass);
1591
1592 if (!$contents) {
1593 return array("code" => 5, "message" => $fetch_last_error);
1594 }
1595
1596 if (is_html($contents)) {
1597 $feedUrls = get_feeds_from_html($url, $contents);
1598
1599 if (count($feedUrls) == 0) {
1600 return array("code" => 3);
1601 } else if (count($feedUrls) > 1) {
1602 return array("code" => 4, "feeds" => $feedUrls);
1603 }
1604 //use feed url as new URL
1605 $url = key($feedUrls);
1606 }
1607
1608 libxml_use_internal_errors(true);
1609 $doc = new DOMDocument();
1610 $doc->loadXML(html_entity_decode($contents));
1611 $error = libxml_get_last_error();
1612 libxml_clear_errors();
1613
1614 if ($error) {
1615 $error_message = format_libxml_error($error);
1616
1617 return array("code" => 6, "message" => $error_message);
1618 }
1619
1620 if ($cat_id == "0" || !$cat_id) {
1621 $cat_qpart = "NULL";
1622 } else {
1623 $cat_qpart = "'$cat_id'";
1624 }
1625
1626 $result = db_query(
1627 "SELECT id FROM ttrss_feeds
1628 WHERE feed_url = '$url' AND owner_uid = ".$_SESSION["uid"]);
1629
1630 if (strlen(FEED_CRYPT_KEY) > 0) {
1631 require_once "crypt.php";
1632 $auth_pass = substr(encrypt_string($auth_pass), 0, 250);
1633 $auth_pass_encrypted = 'true';
1634 } else {
1635 $auth_pass_encrypted = 'false';
1636 }
1637
1638 $auth_pass = db_escape_string($auth_pass);
1639
1640 if (db_num_rows($result) == 0) {
1641 $result = db_query(
1642 "INSERT INTO ttrss_feeds
1643 (owner_uid,feed_url,title,cat_id, auth_login,auth_pass,update_method,auth_pass_encrypted)
1644 VALUES ('".$_SESSION["uid"]."', '$url',
1645 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass', 0, $auth_pass_encrypted)");
1646
1647 $result = db_query(
1648 "SELECT id FROM ttrss_feeds WHERE feed_url = '$url'
1649 AND owner_uid = " . $_SESSION["uid"]);
1650
1651 $feed_id = db_fetch_result($result, 0, "id");
1652
1653 if ($feed_id) {
1654 update_rss_feed($feed_id, true);
1655 }
1656
1657 return array("code" => 1);
1658 } else {
1659 return array("code" => 0);
1660 }
1661 }
1662
1663 function print_feed_select($id, $default_id = "",
1664 $attributes = "", $include_all_feeds = true,
1665 $root_id = false, $nest_level = 0) {
1666
1667 if (!$root_id) {
1668 print "<select id=\"$id\" name=\"$id\" $attributes>";
1669 if ($include_all_feeds) {
1670 $is_selected = ("0" == $default_id) ? "selected=\"1\"" : "";
1671 print "<option $is_selected value=\"0\">".__('All feeds')."</option>";
1672 }
1673 }
1674
1675 if (get_pref('ENABLE_FEED_CATS')) {
1676
1677 if ($root_id)
1678 $parent_qpart = "parent_cat = '$root_id'";
1679 else
1680 $parent_qpart = "parent_cat IS NULL";
1681
1682 $result = db_query("SELECT id,title,
1683 (SELECT COUNT(id) FROM ttrss_feed_categories AS c2 WHERE
1684 c2.parent_cat = ttrss_feed_categories.id) AS num_children
1685 FROM ttrss_feed_categories
1686 WHERE owner_uid = ".$_SESSION["uid"]." AND $parent_qpart ORDER BY title");
1687
1688 while ($line = db_fetch_assoc($result)) {
1689
1690 for ($i = 0; $i < $nest_level; $i++)
1691 $line["title"] = " - " . $line["title"];
1692
1693 $is_selected = ("CAT:".$line["id"] == $default_id) ? "selected=\"1\"" : "";
1694
1695 printf("<option $is_selected value='CAT:%d'>%s</option>",
1696 $line["id"], htmlspecialchars($line["title"]));
1697
1698 if ($line["num_children"] > 0)
1699 print_feed_select($id, $default_id, $attributes,
1700 $include_all_feeds, $line["id"], $nest_level+1);
1701
1702 $feed_result = db_query("SELECT id,title FROM ttrss_feeds
1703 WHERE cat_id = '".$line["id"]."' AND owner_uid = ".$_SESSION["uid"] . " ORDER BY title");
1704
1705 while ($fline = db_fetch_assoc($feed_result)) {
1706 $is_selected = ($fline["id"] == $default_id) ? "selected=\"1\"" : "";
1707
1708 $fline["title"] = " + " . $fline["title"];
1709
1710 for ($i = 0; $i < $nest_level; $i++)
1711 $fline["title"] = " - " . $fline["title"];
1712
1713 printf("<option $is_selected value='%d'>%s</option>",
1714 $fline["id"], htmlspecialchars($fline["title"]));
1715 }
1716 }
1717
1718 if (!$root_id) {
1719 $is_selected = ($default_id == "CAT:0") ? "selected=\"1\"" : "";
1720
1721 printf("<option $is_selected value='CAT:0'>%s</option>",
1722 __("Uncategorized"));
1723
1724 $feed_result = db_query("SELECT id,title FROM ttrss_feeds
1725 WHERE cat_id IS NULL AND owner_uid = ".$_SESSION["uid"] . " ORDER BY title");
1726
1727 while ($fline = db_fetch_assoc($feed_result)) {
1728 $is_selected = ($fline["id"] == $default_id && !$default_is_cat) ? "selected=\"1\"" : "";
1729
1730 $fline["title"] = " + " . $fline["title"];
1731
1732 for ($i = 0; $i < $nest_level; $i++)
1733 $fline["title"] = " - " . $fline["title"];
1734
1735 printf("<option $is_selected value='%d'>%s</option>",
1736 $fline["id"], htmlspecialchars($fline["title"]));
1737 }
1738 }
1739
1740 } else {
1741 $result = db_query("SELECT id,title FROM ttrss_feeds
1742 WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
1743
1744 while ($line = db_fetch_assoc($result)) {
1745
1746 $is_selected = ($line["id"] == $default_id) ? "selected=\"1\"" : "";
1747
1748 printf("<option $is_selected value='%d'>%s</option>",
1749 $line["id"], htmlspecialchars($line["title"]));
1750 }
1751 }
1752
1753 if (!$root_id) {
1754 print "</select>";
1755 }
1756 }
1757
1758 function print_feed_cat_select($id, $default_id,
1759 $attributes, $include_all_cats = true, $root_id = false, $nest_level = 0) {
1760
1761 if (!$root_id) {
1762 print "<select id=\"$id\" name=\"$id\" default=\"$default_id\" onchange=\"catSelectOnChange(this)\" $attributes>";
1763 }
1764
1765 if ($root_id)
1766 $parent_qpart = "parent_cat = '$root_id'";
1767 else
1768 $parent_qpart = "parent_cat IS NULL";
1769
1770 $result = db_query("SELECT id,title,
1771 (SELECT COUNT(id) FROM ttrss_feed_categories AS c2 WHERE
1772 c2.parent_cat = ttrss_feed_categories.id) AS num_children
1773 FROM ttrss_feed_categories
1774 WHERE owner_uid = ".$_SESSION["uid"]." AND $parent_qpart ORDER BY title");
1775
1776 while ($line = db_fetch_assoc($result)) {
1777 if ($line["id"] == $default_id) {
1778 $is_selected = "selected=\"1\"";
1779 } else {
1780 $is_selected = "";
1781 }
1782
1783 for ($i = 0; $i < $nest_level; $i++)
1784 $line["title"] = " - " . $line["title"];
1785
1786 if ($line["title"])
1787 printf("<option $is_selected value='%d'>%s</option>",
1788 $line["id"], htmlspecialchars($line["title"]));
1789
1790 if ($line["num_children"] > 0)
1791 print_feed_cat_select($id, $default_id, $attributes,
1792 $include_all_cats, $line["id"], $nest_level+1);
1793 }
1794
1795 if (!$root_id) {
1796 if ($include_all_cats) {
1797 if (db_num_rows($result) > 0) {
1798 print "<option disabled=\"1\">--------</option>";
1799 }
1800
1801 if ($default_id == 0) {
1802 $is_selected = "selected=\"1\"";
1803 } else {
1804 $is_selected = "";
1805 }
1806
1807 print "<option $is_selected value=\"0\">".__('Uncategorized')."</option>";
1808 }
1809 print "</select>";
1810 }
1811 }
1812
1813 function checkbox_to_sql_bool($val) {
1814 return ($val == "on") ? "true" : "false";
1815 }
1816
1817 function getFeedCatTitle($id) {
1818 if ($id == -1) {
1819 return __("Special");
1820 } else if ($id < LABEL_BASE_INDEX) {
1821 return __("Labels");
1822 } else if ($id > 0) {
1823 $result = db_query("SELECT ttrss_feed_categories.title
1824 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
1825 cat_id = ttrss_feed_categories.id");
1826 if (db_num_rows($result) == 1) {
1827 return db_fetch_result($result, 0, "title");
1828 } else {
1829 return __("Uncategorized");
1830 }
1831 } else {
1832 return "getFeedCatTitle($id) failed";
1833 }
1834
1835 }
1836
1837 function getFeedIcon($id) {
1838 switch ($id) {
1839 case 0:
1840 return "images/archive.png";
1841 break;
1842 case -1:
1843 return "images/mark_set.svg";
1844 break;
1845 case -2:
1846 return "images/pub_set.svg";
1847 break;
1848 case -3:
1849 return "images/fresh.png";
1850 break;
1851 case -4:
1852 return "images/tag.png";
1853 break;
1854 case -6:
1855 return "images/recently_read.png";
1856 break;
1857 default:
1858 if ($id < LABEL_BASE_INDEX) {
1859 return "images/label.png";
1860 } else {
1861 if (file_exists(ICONS_DIR . "/$id.ico"))
1862 return ICONS_URL . "/$id.ico";
1863 }
1864 break;
1865 }
1866
1867 return false;
1868 }
1869
1870 function getFeedTitle($id, $cat = false) {
1871 if ($cat) {
1872 return getCategoryTitle($id);
1873 } else if ($id == -1) {
1874 return __("Starred articles");
1875 } else if ($id == -2) {
1876 return __("Published articles");
1877 } else if ($id == -3) {
1878 return __("Fresh articles");
1879 } else if ($id == -4) {
1880 return __("All articles");
1881 } else if ($id === 0 || $id === "0") {
1882 return __("Archived articles");
1883 } else if ($id == -6) {
1884 return __("Recently read");
1885 } else if ($id < LABEL_BASE_INDEX) {
1886 $label_id = feed_to_label_id($id);
1887 $result = db_query("SELECT caption FROM ttrss_labels2 WHERE id = '$label_id'");
1888 if (db_num_rows($result) == 1) {
1889 return db_fetch_result($result, 0, "caption");
1890 } else {
1891 return "Unknown label ($label_id)";
1892 }
1893
1894 } else if (is_numeric($id) && $id > 0) {
1895 $result = db_query("SELECT title FROM ttrss_feeds WHERE id = '$id'");
1896 if (db_num_rows($result) == 1) {
1897 return db_fetch_result($result, 0, "title");
1898 } else {
1899 return "Unknown feed ($id)";
1900 }
1901 } else {
1902 return $id;
1903 }
1904 }
1905
1906 function make_init_params() {
1907 $params = array();
1908
1909 foreach (array("ON_CATCHUP_SHOW_NEXT_FEED", "HIDE_READ_FEEDS",
1910 "ENABLE_FEED_CATS", "FEEDS_SORT_BY_UNREAD", "CONFIRM_FEED_CATCHUP",
1911 "CDM_AUTO_CATCHUP", "FRESH_ARTICLE_MAX_AGE",
1912 "HIDE_READ_SHOWS_SPECIAL", "COMBINED_DISPLAY_MODE") as $param) {
1913
1914 $params[strtolower($param)] = (int) get_pref($param);
1915 }
1916
1917 $params["icons_url"] = ICONS_URL;
1918 $params["cookie_lifetime"] = SESSION_COOKIE_LIFETIME;
1919 $params["default_view_mode"] = get_pref("_DEFAULT_VIEW_MODE");
1920 $params["default_view_limit"] = (int) get_pref("_DEFAULT_VIEW_LIMIT");
1921 $params["default_view_order_by"] = get_pref("_DEFAULT_VIEW_ORDER_BY");
1922 $params["bw_limit"] = (int) $_SESSION["bw_limit"];
1923 $params["label_base_index"] = (int) LABEL_BASE_INDEX;
1924
1925 $result = db_query("SELECT MAX(id) AS mid, COUNT(*) AS nf FROM
1926 ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
1927
1928 $max_feed_id = db_fetch_result($result, 0, "mid");
1929 $num_feeds = db_fetch_result($result, 0, "nf");
1930
1931 $params["max_feed_id"] = (int) $max_feed_id;
1932 $params["num_feeds"] = (int) $num_feeds;
1933
1934 $params["collapsed_feedlist"] = (int) get_pref("_COLLAPSED_FEEDLIST");
1935 $params["hotkeys"] = get_hotkeys_map();
1936
1937 $params["csrf_token"] = $_SESSION["csrf_token"];
1938 $params["widescreen"] = (int) $_COOKIE["ttrss_widescreen"];
1939
1940 $params['simple_update'] = defined('SIMPLE_UPDATE_MODE') && SIMPLE_UPDATE_MODE;
1941
1942 return $params;
1943 }
1944
1945 function get_hotkeys_info() {
1946 $hotkeys = array(
1947 __("Navigation") => array(
1948 "next_feed" => __("Open next feed"),
1949 "prev_feed" => __("Open previous feed"),
1950 "next_article" => __("Open next article"),
1951 "prev_article" => __("Open previous article"),
1952 "next_article_noscroll" => __("Open next article (don't scroll long articles)"),
1953 "prev_article_noscroll" => __("Open previous article (don't scroll long articles)"),
1954 "next_article_noexpand" => __("Move to next article (don't expand or mark read)"),
1955 "prev_article_noexpand" => __("Move to previous article (don't expand or mark read)"),
1956 "search_dialog" => __("Show search dialog")),
1957 __("Article") => array(
1958 "toggle_mark" => __("Toggle starred"),
1959 "toggle_publ" => __("Toggle published"),
1960 "toggle_unread" => __("Toggle unread"),
1961 "edit_tags" => __("Edit tags"),
1962 "dismiss_selected" => __("Dismiss selected"),
1963 "dismiss_read" => __("Dismiss read"),
1964 "open_in_new_window" => __("Open in new window"),
1965 "catchup_below" => __("Mark below as read"),
1966 "catchup_above" => __("Mark above as read"),
1967 "article_scroll_down" => __("Scroll down"),
1968 "article_scroll_up" => __("Scroll up"),
1969 "select_article_cursor" => __("Select article under cursor"),
1970 "email_article" => __("Email article"),
1971 "close_article" => __("Close/collapse article"),
1972 "toggle_expand" => __("Toggle article expansion (combined mode)"),
1973 "toggle_widescreen" => __("Toggle widescreen mode"),
1974 "toggle_embed_original" => __("Toggle embed original")),
1975 __("Article selection") => array(
1976 "select_all" => __("Select all articles"),
1977 "select_unread" => __("Select unread"),
1978 "select_marked" => __("Select starred"),
1979 "select_published" => __("Select published"),
1980 "select_invert" => __("Invert selection"),
1981 "select_none" => __("Deselect everything")),
1982 __("Feed") => array(
1983 "feed_refresh" => __("Refresh current feed"),
1984 "feed_unhide_read" => __("Un/hide read feeds"),
1985 "feed_subscribe" => __("Subscribe to feed"),
1986 "feed_edit" => __("Edit feed"),
1987 "feed_catchup" => __("Mark as read"),
1988 "feed_reverse" => __("Reverse headlines"),
1989 "feed_debug_update" => __("Debug feed update"),
1990 "catchup_all" => __("Mark all feeds as read"),
1991 "cat_toggle_collapse" => __("Un/collapse current category"),
1992 "toggle_combined_mode" => __("Toggle combined mode"),
1993 "toggle_cdm_expanded" => __("Toggle auto expand in combined mode")),
1994 __("Go to") => array(
1995 "goto_all" => __("All articles"),
1996 "goto_fresh" => __("Fresh"),
1997 "goto_marked" => __("Starred"),
1998 "goto_published" => __("Published"),
1999 "goto_tagcloud" => __("Tag cloud"),
2000 "goto_prefs" => __("Preferences")),
2001 __("Other") => array(
2002 "create_label" => __("Create label"),
2003 "create_filter" => __("Create filter"),
2004 "collapse_sidebar" => __("Un/collapse sidebar"),
2005 "help_dialog" => __("Show help dialog"))
2006 );
2007
2008 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_HOTKEY_INFO) as $plugin) {
2009 $hotkeys = $plugin->hook_hotkey_info($hotkeys);
2010 }
2011
2012 return $hotkeys;
2013 }
2014
2015 function get_hotkeys_map() {
2016 $hotkeys = array(
2017 // "navigation" => array(
2018 "k" => "next_feed",
2019 "j" => "prev_feed",
2020 "n" => "next_article",
2021 "p" => "prev_article",
2022 "(38)|up" => "prev_article",
2023 "(40)|down" => "next_article",
2024 // "^(38)|Ctrl-up" => "prev_article_noscroll",
2025 // "^(40)|Ctrl-down" => "next_article_noscroll",
2026 "(191)|/" => "search_dialog",
2027 // "article" => array(
2028 "s" => "toggle_mark",
2029 "*s" => "toggle_publ",
2030 "u" => "toggle_unread",
2031 "*t" => "edit_tags",
2032 "*d" => "dismiss_selected",
2033 "*x" => "dismiss_read",
2034 "o" => "open_in_new_window",
2035 "c p" => "catchup_below",
2036 "c n" => "catchup_above",
2037 "*n" => "article_scroll_down",
2038 "*p" => "article_scroll_up",
2039 "*(38)|Shift+up" => "article_scroll_up",
2040 "*(40)|Shift+down" => "article_scroll_down",
2041 "a *w" => "toggle_widescreen",
2042 "a e" => "toggle_embed_original",
2043 "e" => "email_article",
2044 "a q" => "close_article",
2045 // "article_selection" => array(
2046 "a a" => "select_all",
2047 "a u" => "select_unread",
2048 "a *u" => "select_marked",
2049 "a p" => "select_published",
2050 "a i" => "select_invert",
2051 "a n" => "select_none",
2052 // "feed" => array(
2053 "f r" => "feed_refresh",
2054 "f a" => "feed_unhide_read",
2055 "f s" => "feed_subscribe",
2056 "f e" => "feed_edit",
2057 "f q" => "feed_catchup",
2058 "f x" => "feed_reverse",
2059 "f *d" => "feed_debug_update",
2060 "f *c" => "toggle_combined_mode",
2061 "f c" => "toggle_cdm_expanded",
2062 "*q" => "catchup_all",
2063 "x" => "cat_toggle_collapse",
2064 // "goto" => array(
2065 "g a" => "goto_all",
2066 "g f" => "goto_fresh",
2067 "g s" => "goto_marked",
2068 "g p" => "goto_published",
2069 "g t" => "goto_tagcloud",
2070 "g *p" => "goto_prefs",
2071 // "other" => array(
2072 "(9)|Tab" => "select_article_cursor", // tab
2073 "c l" => "create_label",
2074 "c f" => "create_filter",
2075 "c s" => "collapse_sidebar",
2076 "^(191)|Ctrl+/" => "help_dialog",
2077 );
2078
2079 if (get_pref('COMBINED_DISPLAY_MODE')) {
2080 $hotkeys["^(38)|Ctrl-up"] = "prev_article_noscroll";
2081 $hotkeys["^(40)|Ctrl-down"] = "next_article_noscroll";
2082 }
2083
2084 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_HOTKEY_MAP) as $plugin) {
2085 $hotkeys = $plugin->hook_hotkey_map($hotkeys);
2086 }
2087
2088 $prefixes = array();
2089
2090 foreach (array_keys($hotkeys) as $hotkey) {
2091 $pair = explode(" ", $hotkey, 2);
2092
2093 if (count($pair) > 1 && !in_array($pair[0], $prefixes)) {
2094 array_push($prefixes, $pair[0]);
2095 }
2096 }
2097
2098 return array($prefixes, $hotkeys);
2099 }
2100
2101 function make_runtime_info() {
2102 $data = array();
2103
2104 $result = db_query("SELECT MAX(id) AS mid, COUNT(*) AS nf FROM
2105 ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2106
2107 $max_feed_id = db_fetch_result($result, 0, "mid");
2108 $num_feeds = db_fetch_result($result, 0, "nf");
2109
2110 $data["max_feed_id"] = (int) $max_feed_id;
2111 $data["num_feeds"] = (int) $num_feeds;
2112
2113 $data['last_article_id'] = getLastArticleId();
2114 $data['cdm_expanded'] = get_pref('CDM_EXPANDED');
2115
2116 $data['dep_ts'] = calculate_dep_timestamp();
2117 $data['reload_on_ts_change'] = !defined('_NO_RELOAD_ON_TS_CHANGE');
2118
2119 if (file_exists(LOCK_DIRECTORY . "/update_daemon.lock")) {
2120
2121 $data['daemon_is_running'] = (int) file_is_locked("update_daemon.lock");
2122
2123 if (time() - $_SESSION["daemon_stamp_check"] > 30) {
2124
2125 $stamp = (int) @file_get_contents(LOCK_DIRECTORY . "/update_daemon.stamp");
2126
2127 if ($stamp) {
2128 $stamp_delta = time() - $stamp;
2129
2130 if ($stamp_delta > 1800) {
2131 $stamp_check = 0;
2132 } else {
2133 $stamp_check = 1;
2134 $_SESSION["daemon_stamp_check"] = time();
2135 }
2136
2137 $data['daemon_stamp_ok'] = $stamp_check;
2138
2139 $stamp_fmt = date("Y.m.d, G:i", $stamp);
2140
2141 $data['daemon_stamp'] = $stamp_fmt;
2142 }
2143 }
2144 }
2145
2146 if ($_SESSION["last_version_check"] + 86400 + rand(-1000, 1000) < time()) {
2147 $new_version_details = @check_for_update();
2148
2149 $data['new_version_available'] = (int) ($new_version_details != false);
2150
2151 $_SESSION["last_version_check"] = time();
2152 $_SESSION["version_data"] = $new_version_details;
2153 }
2154
2155 return $data;
2156 }
2157
2158 function search_to_sql($search) {
2159
2160 $search_query_part = "";
2161
2162 $keywords = explode(" ", $search);
2163 $query_keywords = array();
2164
2165 foreach ($keywords as $k) {
2166 if (strpos($k, "-") === 0) {
2167 $k = substr($k, 1);
2168 $not = "NOT";
2169 } else {
2170 $not = "";
2171 }
2172
2173 $commandpair = explode(":", mb_strtolower($k), 2);
2174
2175 switch ($commandpair[0]) {
2176 case "title":
2177 if ($commandpair[1]) {
2178 array_push($query_keywords, "($not (LOWER(ttrss_entries.title) LIKE '%".
2179 db_escape_string(mb_strtolower($commandpair[1]))."%'))");
2180 } else {
2181 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2182 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2183 }
2184 break;
2185 case "author":
2186 if ($commandpair[1]) {
2187 array_push($query_keywords, "($not (LOWER(author) LIKE '%".
2188 db_escape_string(mb_strtolower($commandpair[1]))."%'))");
2189 } else {
2190 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2191 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2192 }
2193 break;
2194 case "note":
2195 if ($commandpair[1]) {
2196 if ($commandpair[1] == "true")
2197 array_push($query_keywords, "($not (note IS NOT NULL AND note != ''))");
2198 else if ($commandpair[1] == "false")
2199 array_push($query_keywords, "($not (note IS NULL OR note = ''))");
2200 else
2201 array_push($query_keywords, "($not (LOWER(note) LIKE '%".
2202 db_escape_string(mb_strtolower($commandpair[1]))."%'))");
2203 } else {
2204 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2205 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2206 }
2207 break;
2208 case "star":
2209
2210 if ($commandpair[1]) {
2211 if ($commandpair[1] == "true")
2212 array_push($query_keywords, "($not (marked = true))");
2213 else
2214 array_push($query_keywords, "($not (marked = false))");
2215 } else {
2216 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2217 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2218 }
2219 break;
2220 case "pub":
2221 if ($commandpair[1]) {
2222 if ($commandpair[1] == "true")
2223 array_push($query_keywords, "($not (published = true))");
2224 else
2225 array_push($query_keywords, "($not (published = false))");
2226
2227 } else {
2228 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2229 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2230 }
2231 break;
2232 default:
2233 if (strpos($k, "@") === 0) {
2234
2235 $user_tz_string = get_pref('USER_TIMEZONE', $_SESSION['uid']);
2236 $orig_ts = strtotime(substr($k, 1));
2237 $k = date("Y-m-d", convert_timestamp($orig_ts, $user_tz_string, 'UTC'));
2238
2239 //$k = date("Y-m-d", strtotime(substr($k, 1)));
2240
2241 array_push($query_keywords, "(".SUBSTRING_FOR_DATE."(updated,1,LENGTH('$k')) $not = '$k')");
2242 } else {
2243 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2244 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2245 }
2246 }
2247 }
2248
2249 $search_query_part = implode("AND", $query_keywords);
2250
2251 return $search_query_part;
2252 }
2253
2254 function getParentCategories($cat, $owner_uid) {
2255 $rv = array();
2256
2257 $result = db_query("SELECT parent_cat FROM ttrss_feed_categories
2258 WHERE id = '$cat' AND parent_cat IS NOT NULL AND owner_uid = $owner_uid");
2259
2260 while ($line = db_fetch_assoc($result)) {
2261 array_push($rv, $line["parent_cat"]);
2262 $rv = array_merge($rv, getParentCategories($line["parent_cat"], $owner_uid));
2263 }
2264
2265 return $rv;
2266 }
2267
2268 function getChildCategories($cat, $owner_uid) {
2269 $rv = array();
2270
2271 $result = db_query("SELECT id FROM ttrss_feed_categories
2272 WHERE parent_cat = '$cat' AND owner_uid = $owner_uid");
2273
2274 while ($line = db_fetch_assoc($result)) {
2275 array_push($rv, $line["id"]);
2276 $rv = array_merge($rv, getChildCategories($line["id"], $owner_uid));
2277 }
2278
2279 return $rv;
2280 }
2281
2282 function queryFeedHeadlines($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, $ignore_vfeed_group = false) {
2283
2284 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2285
2286 $ext_tables_part = "";
2287
2288 if ($search) {
2289
2290 if (SPHINX_ENABLED) {
2291 $ids = join(",", @sphinx_search($search, 0, 500));
2292
2293 if ($ids)
2294 $search_query_part = "ref_id IN ($ids) AND ";
2295 else
2296 $search_query_part = "ref_id = -1 AND ";
2297
2298 } else {
2299 $search_query_part = search_to_sql($search);
2300 $search_query_part .= " AND ";
2301 }
2302
2303 } else {
2304 $search_query_part = "";
2305 }
2306
2307 if ($filter) {
2308
2309 if (DB_TYPE == "pgsql") {
2310 $query_strategy_part .= " AND updated > NOW() - INTERVAL '14 days' ";
2311 } else {
2312 $query_strategy_part .= " AND updated > DATE_SUB(NOW(), INTERVAL 14 DAY) ";
2313 }
2314
2315 $override_order = "updated DESC";
2316
2317 $filter_query_part = filter_to_sql($filter, $owner_uid);
2318
2319 // Try to check if SQL regexp implementation chokes on a valid regexp
2320 $result = db_query("SELECT true AS true_val FROM ttrss_entries,
2321 ttrss_user_entries, ttrss_feeds, ttrss_feed_categories
2322 WHERE $filter_query_part LIMIT 1", false);
2323
2324 if ($result) {
2325 $test = db_fetch_result($result, 0, "true_val");
2326
2327 if (!$test) {
2328 $filter_query_part = "false AND";
2329 } else {
2330 $filter_query_part .= " AND";
2331 }
2332 } else {
2333 $filter_query_part = "false AND";
2334 }
2335
2336 } else {
2337 $filter_query_part = "";
2338 }
2339
2340 if ($since_id) {
2341 $since_id_part = "ttrss_entries.id > $since_id AND ";
2342 } else {
2343 $since_id_part = "";
2344 }
2345
2346 $view_query_part = "";
2347
2348 if ($view_mode == "adaptive") {
2349 if ($search) {
2350 $view_query_part = " ";
2351 } else if ($feed != -1) {
2352
2353 $unread = getFeedUnread($feed, $cat_view);
2354
2355 if ($cat_view && $feed > 0 && $include_children)
2356 $unread += getCategoryChildrenUnread($feed);
2357
2358 if ($unread > 0)
2359 $view_query_part = " unread = true AND ";
2360
2361 }
2362 }
2363
2364 if ($view_mode == "marked") {
2365 $view_query_part = " marked = true AND ";
2366 }
2367
2368 if ($view_mode == "has_note") {
2369 $view_query_part = " (note IS NOT NULL AND note != '') AND ";
2370 }
2371
2372 if ($view_mode == "published") {
2373 $view_query_part = " published = true AND ";
2374 }
2375
2376 if ($view_mode == "unread" && $feed != -6) {
2377 $view_query_part = " unread = true AND ";
2378 }
2379
2380 if ($limit > 0) {
2381 $limit_query_part = "LIMIT " . $limit;
2382 }
2383
2384 $allow_archived = false;
2385
2386 $vfeed_query_part = "";
2387
2388 // override query strategy and enable feed display when searching globally
2389 if ($search && $search_mode == "all_feeds") {
2390 $query_strategy_part = "true";
2391 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2392 /* tags */
2393 } else if (!is_numeric($feed)) {
2394 $query_strategy_part = "true";
2395 $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
2396 id = feed_id) as feed_title,";
2397 } else if ($search && $search_mode == "this_cat") {
2398 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2399
2400 if ($feed > 0) {
2401 if ($include_children) {
2402 $subcats = getChildCategories($feed, $owner_uid);
2403 array_push($subcats, $feed);
2404 $cats_qpart = join(",", $subcats);
2405 } else {
2406 $cats_qpart = $feed;
2407 }
2408
2409 $query_strategy_part = "ttrss_feeds.cat_id IN ($cats_qpart)";
2410
2411 } else {
2412 $query_strategy_part = "ttrss_feeds.cat_id IS NULL";
2413 }
2414
2415 } else if ($feed > 0) {
2416
2417 if ($cat_view) {
2418
2419 if ($feed > 0) {
2420 if ($include_children) {
2421 # sub-cats
2422 $subcats = getChildCategories($feed, $owner_uid);
2423
2424 array_push($subcats, $feed);
2425 $query_strategy_part = "cat_id IN (".
2426 implode(",", $subcats).")";
2427
2428 } else {
2429 $query_strategy_part = "cat_id = '$feed'";
2430 }
2431
2432 } else {
2433 $query_strategy_part = "cat_id IS NULL";
2434 }
2435
2436 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2437
2438 } else {
2439 $query_strategy_part = "feed_id = '$feed'";
2440 }
2441 } else if ($feed == 0 && !$cat_view) { // archive virtual feed
2442 $query_strategy_part = "feed_id IS NULL";
2443 $allow_archived = true;
2444 } else if ($feed == 0 && $cat_view) { // uncategorized
2445 $query_strategy_part = "cat_id IS NULL AND feed_id IS NOT NULL";
2446 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2447 } else if ($feed == -1) { // starred virtual feed
2448 $query_strategy_part = "marked = true";
2449 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2450 $allow_archived = true;
2451
2452 if (!$override_order) {
2453 $override_order = "last_marked DESC, date_entered DESC, updated DESC";
2454 }
2455
2456 } else if ($feed == -2) { // published virtual feed OR labels category
2457
2458 if (!$cat_view) {
2459 $query_strategy_part = "published = true";
2460 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2461 $allow_archived = true;
2462
2463 if (!$override_order) {
2464 $override_order = "last_published DESC, date_entered DESC, updated DESC";
2465 }
2466
2467 } else {
2468 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2469
2470 $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
2471
2472 $query_strategy_part = "ttrss_labels2.id = ttrss_user_labels2.label_id AND
2473 ttrss_user_labels2.article_id = ref_id";
2474
2475 }
2476 } else if ($feed == -6) { // recently read
2477 $query_strategy_part = "unread = false AND last_read IS NOT NULL";
2478 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2479 $allow_archived = true;
2480
2481 if (!$override_order) $override_order = "last_read DESC";
2482 } else if ($feed == -3) { // fresh virtual feed
2483 $query_strategy_part = "unread = true AND score >= 0";
2484
2485 $intl = get_pref("FRESH_ARTICLE_MAX_AGE", $owner_uid);
2486
2487 if (DB_TYPE == "pgsql") {
2488 $query_strategy_part .= " AND date_entered > NOW() - INTERVAL '$intl hour' ";
2489 } else {
2490 $query_strategy_part .= " AND date_entered > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
2491 }
2492
2493 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2494 } else if ($feed == -4) { // all articles virtual feed
2495 $allow_archived = true;
2496 $query_strategy_part = "true";
2497 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2498 } else if ($feed <= LABEL_BASE_INDEX) { // labels
2499 $label_id = feed_to_label_id($feed);
2500
2501 $query_strategy_part = "label_id = '$label_id' AND
2502 ttrss_labels2.id = ttrss_user_labels2.label_id AND
2503 ttrss_user_labels2.article_id = ref_id";
2504
2505 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2506 $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
2507 $allow_archived = true;
2508
2509 } else {
2510 $query_strategy_part = "true";
2511 }
2512
2513 $order_by = "score DESC, date_entered DESC, updated DESC";
2514
2515 if ($view_mode == "unread_first") {
2516 $order_by = "unread DESC, $order_by";
2517 }
2518
2519 if ($override_order) {
2520 $order_by = $override_order;
2521 }
2522
2523 $feed_title = "";
2524
2525 if ($search) {
2526 $feed_title = T_sprintf("Search results: %s", $search);
2527 } else {
2528 if ($cat_view) {
2529 $feed_title = getCategoryTitle($feed);
2530 } else {
2531 if (is_numeric($feed) && $feed > 0) {
2532 $result = db_query("SELECT title,site_url,last_error
2533 FROM ttrss_feeds WHERE id = '$feed' AND owner_uid = $owner_uid");
2534
2535 $feed_title = db_fetch_result($result, 0, "title");
2536 $feed_site_url = db_fetch_result($result, 0, "site_url");
2537 $last_error = db_fetch_result($result, 0, "last_error");
2538 } else {
2539 $feed_title = getFeedTitle($feed);
2540 }
2541 }
2542 }
2543
2544 $content_query_part = "content as content_preview, cached_content, ";
2545
2546 if (is_numeric($feed)) {
2547
2548 if ($feed >= 0) {
2549 $feed_kind = "Feeds";
2550 } else {
2551 $feed_kind = "Labels";
2552 }
2553
2554 if ($limit_query_part) {
2555 $offset_query_part = "OFFSET $offset";
2556 }
2557
2558 // proper override_order applied above
2559 if ($vfeed_query_part && !$ignore_vfeed_group && get_pref('VFEED_GROUP_BY_FEED', $owner_uid)) {
2560 if (!$override_order) {
2561 $order_by = "ttrss_feeds.title, $order_by";
2562 } else {
2563 $order_by = "ttrss_feeds.title, $override_order";
2564 }
2565 }
2566
2567 if (!$allow_archived) {
2568 $from_qpart = "ttrss_entries,ttrss_user_entries,ttrss_feeds$ext_tables_part";
2569 $feed_check_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
2570
2571 } else {
2572 $from_qpart = "ttrss_entries$ext_tables_part,ttrss_user_entries
2573 LEFT JOIN ttrss_feeds ON (feed_id = ttrss_feeds.id)";
2574 }
2575
2576 if ($vfeed_query_part)
2577 $vfeed_query_part .= "favicon_avg_color,";
2578
2579 $query = "SELECT DISTINCT
2580 date_entered,
2581 guid,
2582 ttrss_entries.id,ttrss_entries.title,
2583 updated,
2584 label_cache,
2585 tag_cache,
2586 always_display_enclosures,
2587 site_url,
2588 note,
2589 num_comments,
2590 comments,
2591 int_id,
2592 hide_images,
2593 unread,feed_id,marked,published,link,last_read,orig_feed_id,
2594 last_marked, last_published,
2595 $vfeed_query_part
2596 $content_query_part
2597 author,score
2598 FROM
2599 $from_qpart
2600 WHERE
2601 $feed_check_qpart
2602 ttrss_user_entries.ref_id = ttrss_entries.id AND
2603 ttrss_user_entries.owner_uid = '$owner_uid' AND
2604 $search_query_part
2605 $filter_query_part
2606 $view_query_part
2607 $since_id_part
2608 $query_strategy_part ORDER BY $order_by
2609 $limit_query_part $offset_query_part";
2610
2611 if ($_REQUEST["debug"]) print $query;
2612
2613 $result = db_query($query);
2614
2615 } else {
2616 // browsing by tag
2617
2618 $select_qpart = "SELECT DISTINCT " .
2619 "date_entered," .
2620 "guid," .
2621 "note," .
2622 "ttrss_entries.id as id," .
2623 "title," .
2624 "updated," .
2625 "unread," .
2626 "feed_id," .
2627 "orig_feed_id," .
2628 "marked," .
2629 "num_comments, " .
2630 "comments, " .
2631 "tag_cache," .
2632 "label_cache," .
2633 "link," .
2634 "last_read," .
2635 "(SELECT hide_images FROM ttrss_feeds WHERE id = feed_id) AS hide_images," .
2636 "last_marked, last_published, " .
2637 $since_id_part .
2638 $vfeed_query_part .
2639 $content_query_part .
2640 "score ";
2641
2642 $feed_kind = "Tags";
2643 $all_tags = explode(",", $feed);
2644 if ($search_mode == 'any') {
2645 $tag_sql = "tag_name in (" . implode(", ", array_map("db_quote", $all_tags)) . ")";
2646 $from_qpart = " FROM ttrss_entries,ttrss_user_entries,ttrss_tags ";
2647 $where_qpart = " WHERE " .
2648 "ref_id = ttrss_entries.id AND " .
2649 "ttrss_user_entries.owner_uid = $owner_uid AND " .
2650 "post_int_id = int_id AND $tag_sql AND " .
2651 $view_query_part .
2652 $search_query_part .
2653 $query_strategy_part . " ORDER BY $order_by " .
2654 $limit_query_part;
2655
2656 } else {
2657 $i = 1;
2658 $sub_selects = array();
2659 $sub_ands = array();
2660 foreach ($all_tags as $term) {
2661 array_push($sub_selects, "(SELECT post_int_id from ttrss_tags WHERE tag_name = " . db_quote($term) . " AND owner_uid = $owner_uid) as A$i");
2662 $i++;
2663 }
2664 if ($i > 2) {
2665 $x = 1;
2666 $y = 2;
2667 do {
2668 array_push($sub_ands, "A$x.post_int_id = A$y.post_int_id");
2669 $x++;
2670 $y++;
2671 } while ($y < $i);
2672 }
2673 array_push($sub_ands, "A1.post_int_id = ttrss_user_entries.int_id and ttrss_user_entries.owner_uid = $owner_uid");
2674 array_push($sub_ands, "ttrss_user_entries.ref_id = ttrss_entries.id");
2675 $from_qpart = " FROM " . implode(", ", $sub_selects) . ", ttrss_user_entries, ttrss_entries";
2676 $where_qpart = " WHERE " . implode(" AND ", $sub_ands);
2677 }
2678 // error_log("TAG SQL: " . $tag_sql);
2679 // $tag_sql = "tag_name = '$feed'"; DEFAULT way
2680
2681 // error_log("[". $select_qpart . "][" . $from_qpart . "][" .$where_qpart . "]");
2682 $result = db_query($select_qpart . $from_qpart . $where_qpart);
2683 }
2684
2685 return array($result, $feed_title, $feed_site_url, $last_error);
2686
2687 }
2688
2689 function sanitize($str, $force_remove_images = false, $owner = false, $site_url = false) {
2690 if (!$owner) $owner = $_SESSION["uid"];
2691
2692 $res = trim($str); if (!$res) return '';
2693
2694 if (strpos($res, "href=") === false)
2695 $res = rewrite_urls($res);
2696
2697 $charset_hack = '<head>
2698 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
2699 </head>';
2700
2701 $res = trim($res); if (!$res) return '';
2702
2703 libxml_use_internal_errors(true);
2704
2705 $doc = new DOMDocument();
2706 $doc->loadHTML($charset_hack . $res);
2707 $xpath = new DOMXPath($doc);
2708
2709 $entries = $xpath->query('(//a[@href]|//img[@src])');
2710
2711 foreach ($entries as $entry) {
2712
2713 if ($site_url) {
2714
2715 if ($entry->hasAttribute('href'))
2716 $entry->setAttribute('href',
2717 rewrite_relative_url($site_url, $entry->getAttribute('href')));
2718
2719 if ($entry->hasAttribute('src')) {
2720 $src = rewrite_relative_url($site_url, $entry->getAttribute('src'));
2721
2722 $cached_filename = CACHE_DIR . '/images/' . sha1($src) . '.png';
2723
2724 if (file_exists($cached_filename)) {
2725 $src = SELF_URL_PATH . '/image.php?hash=' . sha1($src);
2726 }
2727
2728 $entry->setAttribute('src', $src);
2729 }
2730
2731 if ($entry->nodeName == 'img') {
2732 if (($owner && get_pref("STRIP_IMAGES", $owner)) ||
2733 $force_remove_images || $_SESSION["bw_limit"]) {
2734
2735 $p = $doc->createElement('p');
2736
2737 $a = $doc->createElement('a');
2738 $a->setAttribute('href', $entry->getAttribute('src'));
2739
2740 $a->appendChild(new DOMText($entry->getAttribute('src')));
2741 $a->setAttribute('target', '_blank');
2742
2743 $p->appendChild($a);
2744
2745 $entry->parentNode->replaceChild($p, $entry);
2746 }
2747 }
2748 }
2749
2750 if (strtolower($entry->nodeName) == "a") {
2751 $entry->setAttribute("target", "_blank");
2752 }
2753 }
2754
2755 $entries = $xpath->query('//iframe');
2756 foreach ($entries as $entry) {
2757 $entry->setAttribute('sandbox', 'allow-scripts');
2758
2759 }
2760
2761 $allowed_elements = array('a', 'address', 'audio', 'article', 'aside',
2762 'b', 'bdi', 'bdo', 'big', 'blockquote', 'body', 'br',
2763 'caption', 'cite', 'center', 'code', 'col', 'colgroup',
2764 'data', 'dd', 'del', 'details', 'div', 'dl', 'font',
2765 'dt', 'em', 'footer', 'figure', 'figcaption',
2766 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'header', 'html', 'i',
2767 'img', 'ins', 'kbd', 'li', 'main', 'mark', 'nav', 'noscript',
2768 'ol', 'p', 'pre', 'q', 'ruby', 'rp', 'rt', 's', 'samp', 'section',
2769 'small', 'source', 'span', 'strike', 'strong', 'sub', 'summary',
2770 'sup', 'table', 'tbody', 'td', 'tfoot', 'th', 'thead', 'time',
2771 'tr', 'track', 'tt', 'u', 'ul', 'var', 'wbr', 'video' );
2772
2773 if ($_SESSION['hasSandbox']) $allowed_elements[] = 'iframe';
2774
2775 $disallowed_attributes = array('id', 'style', 'class');
2776
2777 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_SANITIZE) as $plugin) {
2778 $retval = $plugin->hook_sanitize($doc, $site_url, $allowed_elements, $disallowed_attributes);
2779 if (is_array($retval)) {
2780 $doc = $retval[0];
2781 $allowed_elements = $retval[1];
2782 $disallowed_attributes = $retval[2];
2783 } else {
2784 $doc = $retval;
2785 }
2786 }
2787
2788 $doc->removeChild($doc->firstChild); //remove doctype
2789 $doc = strip_harmful_tags($doc, $allowed_elements, $disallowed_attributes);
2790 $res = $doc->saveHTML();
2791 return $res;
2792 }
2793
2794 function strip_harmful_tags($doc, $allowed_elements, $disallowed_attributes) {
2795 $entries = $doc->getElementsByTagName("*");
2796
2797 foreach ($entries as $entry) {
2798 if (!in_array($entry->nodeName, $allowed_elements)) {
2799 $entry->parentNode->removeChild($entry);
2800 }
2801
2802 if ($entry->hasAttributes()) {
2803 $attrs_to_remove = array();
2804
2805 foreach ($entry->attributes as $attr) {
2806
2807 if (strpos($attr->nodeName, 'on') === 0) {
2808 array_push($attrs_to_remove, $attr);
2809 }
2810
2811 if (in_array($attr->nodeName, $disallowed_attributes)) {
2812 array_push($attrs_to_remove, $attr);
2813 }
2814 }
2815
2816 foreach ($attrs_to_remove as $attr) {
2817 $entry->removeAttributeNode($attr);
2818 }
2819 }
2820 }
2821
2822 return $doc;
2823 }
2824
2825 function check_for_update() {
2826 if (CHECK_FOR_NEW_VERSION && $_SESSION['access_level'] >= 10) {
2827 $version_url = "http://tt-rss.org/version.php?ver=" . VERSION .
2828 "&iid=" . sha1(SELF_URL_PATH);
2829
2830 $version_data = @fetch_file_contents($version_url);
2831
2832 if ($version_data) {
2833 $version_data = json_decode($version_data, true);
2834 if ($version_data && $version_data['version']) {
2835
2836 if (version_compare(VERSION, $version_data['version']) == -1) {
2837 return $version_data;
2838 }
2839 }
2840 }
2841 }
2842 return false;
2843 }
2844
2845 function catchupArticlesById($ids, $cmode, $owner_uid = false) {
2846
2847 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2848 if (count($ids) == 0) return;
2849
2850 $tmp_ids = array();
2851
2852 foreach ($ids as $id) {
2853 array_push($tmp_ids, "ref_id = '$id'");
2854 }
2855
2856 $ids_qpart = join(" OR ", $tmp_ids);
2857
2858 if ($cmode == 0) {
2859 db_query("UPDATE ttrss_user_entries SET
2860 unread = false,last_read = NOW()
2861 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
2862 } else if ($cmode == 1) {
2863 db_query("UPDATE ttrss_user_entries SET
2864 unread = true
2865 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
2866 } else {
2867 db_query("UPDATE ttrss_user_entries SET
2868 unread = NOT unread,last_read = NOW()
2869 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
2870 }
2871
2872 /* update ccache */
2873
2874 $result = db_query("SELECT DISTINCT feed_id FROM ttrss_user_entries
2875 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
2876
2877 while ($line = db_fetch_assoc($result)) {
2878 ccache_update($line["feed_id"], $owner_uid);
2879 }
2880 }
2881
2882 function get_article_tags($id, $owner_uid = 0, $tag_cache = false) {
2883
2884 $a_id = db_escape_string($id);
2885
2886 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2887
2888 $query = "SELECT DISTINCT tag_name,
2889 owner_uid as owner FROM
2890 ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
2891 ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name";
2892
2893 $obj_id = md5("TAGS:$owner_uid:$id");
2894 $tags = array();
2895
2896 /* check cache first */
2897
2898 if ($tag_cache === false) {
2899 $result = db_query("SELECT tag_cache FROM ttrss_user_entries
2900 WHERE ref_id = '$id' AND owner_uid = $owner_uid");
2901
2902 $tag_cache = db_fetch_result($result, 0, "tag_cache");
2903 }
2904
2905 if ($tag_cache) {
2906 $tags = explode(",", $tag_cache);
2907 } else {
2908
2909 /* do it the hard way */
2910
2911 $tmp_result = db_query($query);
2912
2913 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2914 array_push($tags, $tmp_line["tag_name"]);
2915 }
2916
2917 /* update the cache */
2918
2919 $tags_str = db_escape_string(join(",", $tags));
2920
2921 db_query("UPDATE ttrss_user_entries
2922 SET tag_cache = '$tags_str' WHERE ref_id = '$id'
2923 AND owner_uid = $owner_uid");
2924 }
2925
2926 return $tags;
2927 }
2928
2929 function trim_array($array) {
2930 $tmp = $array;
2931 array_walk($tmp, 'trim');
2932 return $tmp;
2933 }
2934
2935 function tag_is_valid($tag) {
2936 if ($tag == '') return false;
2937 if (preg_match("/^[0-9]*$/", $tag)) return false;
2938 if (mb_strlen($tag) > 250) return false;
2939
2940 if (function_exists('iconv')) {
2941 $tag = iconv("utf-8", "utf-8", $tag);
2942 }
2943
2944 if (!$tag) return false;
2945
2946 return true;
2947 }
2948
2949 function render_login_form() {
2950 header('Cache-Control: public');
2951
2952 require_once "login_form.php";
2953 exit;
2954 }
2955
2956 function format_warning($msg, $id = "") {
2957 global $link;
2958 return "<div class=\"warning\" id=\"$id\">
2959 <span><img src=\"images/sign_excl.svg\"></span><span>$msg</span></div>";
2960 }
2961
2962 function format_notice($msg, $id = "") {
2963 global $link;
2964 return "<div class=\"notice\" id=\"$id\">
2965 <span><img src=\"images/sign_info.svg\"></span><span>$msg</span></div>";
2966 }
2967
2968 function format_error($msg, $id = "") {
2969 global $link;
2970 return "<div class=\"error\" id=\"$id\">
2971 <span><img src=\"images/sign_excl.svg\"></span><span>$msg</span></div>";
2972 }
2973
2974 function print_notice($msg) {
2975 return print format_notice($msg);
2976 }
2977
2978 function print_warning($msg) {
2979 return print format_warning($msg);
2980 }
2981
2982 function print_error($msg) {
2983 return print format_error($msg);
2984 }
2985
2986
2987 function T_sprintf() {
2988 $args = func_get_args();
2989 return vsprintf(__(array_shift($args)), $args);
2990 }
2991
2992 function format_inline_player($url, $ctype) {
2993
2994 $entry = "";
2995
2996 $url = htmlspecialchars($url);
2997
2998 if (strpos($ctype, "audio/") === 0) {
2999
3000 if ($_SESSION["hasAudio"] && (strpos($ctype, "ogg") !== false ||
3001 $_SESSION["hasMp3"])) {
3002
3003 $entry .= "<audio controls>
3004 <source type=\"$ctype\" src=\"$url\"></source>
3005 </audio>";
3006
3007 } else {
3008
3009 $entry .= "<object type=\"application/x-shockwave-flash\"
3010 data=\"lib/button/musicplayer.swf?song_url=$url\"
3011 width=\"17\" height=\"17\" style='float : left; margin-right : 5px;'>
3012 <param name=\"movie\"
3013 value=\"lib/button/musicplayer.swf?song_url=$url\" />
3014 </object>";
3015 }
3016
3017 if ($entry) $entry .= "&nbsp; <a target=\"_blank\"
3018 href=\"$url\">" . basename($url) . "</a>";
3019
3020 return $entry;
3021
3022 }
3023
3024 return "";
3025
3026 /* $filename = substr($url, strrpos($url, "/")+1);
3027
3028 $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
3029 $filename . " (" . $ctype . ")" . "</a>"; */
3030
3031 }
3032
3033 function format_article($id, $mark_as_read = true, $zoom_mode = false, $owner_uid = false) {
3034 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3035
3036 $rv = array();
3037
3038 $rv['id'] = $id;
3039
3040 /* we can figure out feed_id from article id anyway, why do we
3041 * pass feed_id here? let's ignore the argument :(*/
3042
3043 $result = db_query("SELECT feed_id FROM ttrss_user_entries
3044 WHERE ref_id = '$id'");
3045
3046 $feed_id = (int) db_fetch_result($result, 0, "feed_id");
3047
3048 $rv['feed_id'] = $feed_id;
3049
3050 //if (!$zoom_mode) { print "<article id='$id'><![CDATA["; };
3051
3052 if ($mark_as_read) {
3053 $result = db_query("UPDATE ttrss_user_entries
3054 SET unread = false,last_read = NOW()
3055 WHERE ref_id = '$id' AND owner_uid = $owner_uid");
3056
3057 ccache_update($feed_id, $owner_uid);
3058 }
3059
3060 $result = db_query("SELECT id,title,link,content,feed_id,comments,int_id,
3061 ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
3062 (SELECT site_url FROM ttrss_feeds WHERE id = feed_id) as site_url,
3063 (SELECT hide_images FROM ttrss_feeds WHERE id = feed_id) as hide_images,
3064 (SELECT always_display_enclosures FROM ttrss_feeds WHERE id = feed_id) as always_display_enclosures,
3065 num_comments,
3066 tag_cache,
3067 author,
3068 orig_feed_id,
3069 note,
3070 cached_content
3071 FROM ttrss_entries,ttrss_user_entries
3072 WHERE id = '$id' AND ref_id = id AND owner_uid = $owner_uid");
3073
3074 if ($result) {
3075
3076 $line = db_fetch_assoc($result);
3077
3078 $tag_cache = $line["tag_cache"];
3079
3080 $line["tags"] = get_article_tags($id, $owner_uid, $line["tag_cache"]);
3081 unset($line["tag_cache"]);
3082
3083 $line["content"] = sanitize($line["content"], false, $owner_uid, $line["site_url"]);
3084
3085 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ARTICLE) as $p) {
3086 $line = $p->hook_render_article($line);
3087 }
3088
3089 $num_comments = $line["num_comments"];
3090 $entry_comments = "";
3091
3092 if ($num_comments > 0) {
3093 if ($line["comments"]) {
3094 $comments_url = htmlspecialchars($line["comments"]);
3095 } else {
3096 $comments_url = htmlspecialchars($line["link"]);
3097 }
3098 $entry_comments = "<a target='_blank' href=\"$comments_url\">$num_comments comments</a>";
3099 } else {
3100 if ($line["comments"] && $line["link"] != $line["comments"]) {
3101 $entry_comments = "<a target='_blank' href=\"".htmlspecialchars($line["comments"])."\">comments</a>";
3102 }
3103 }
3104
3105 if ($zoom_mode) {
3106 header("Content-Type: text/html");
3107 $rv['content'] .= "<html><head>
3108 <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
3109 <title>Tiny Tiny RSS - ".$line["title"]."</title>
3110 <link rel=\"stylesheet\" type=\"text/css\" href=\"tt-rss.css\">
3111 </head><body id=\"ttrssZoom\">";
3112 }
3113
3114 $rv['content'] .= "<div class=\"postReply\" id=\"POST-$id\">";
3115
3116 $rv['content'] .= "<div class=\"postHeader\" id=\"POSTHDR-$id\">";
3117
3118 $entry_author = $line["author"];
3119
3120 if ($entry_author) {
3121 $entry_author = __(" - ") . $entry_author;
3122 }
3123
3124 $parsed_updated = make_local_datetime($line["updated"], true,
3125 $owner_uid, true);
3126
3127 $rv['content'] .= "<div class=\"postDate\">$parsed_updated</div>";
3128
3129 if ($line["link"]) {
3130 $rv['content'] .= "<div class='postTitle'><a target='_blank'
3131 title=\"".htmlspecialchars($line['title'])."\"
3132 href=\"" .
3133 htmlspecialchars($line["link"]) . "\">" .
3134 $line["title"] . "</a>" .
3135 "<span class='author'>$entry_author</span></div>";
3136 } else {
3137 $rv['content'] .= "<div class='postTitle'>" . $line["title"] . "$entry_author</div>";
3138 }
3139
3140 $tags_str = format_tags_string($line["tags"], $id);
3141 $tags_str_full = join(", ", $line["tags"]);
3142
3143 if (!$tags_str_full) $tags_str_full = __("no tags");
3144
3145 if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
3146
3147 $rv['content'] .= "<div class='postTags' style='float : right'>
3148 <img src='images/tag.png'
3149 class='tagsPic' alt='Tags' title='Tags'>&nbsp;";
3150
3151 if (!$zoom_mode) {
3152 $rv['content'] .= "<span id=\"ATSTR-$id\">$tags_str</span>
3153 <a title=\"".__('Edit tags for this article')."\"
3154 href=\"#\" onclick=\"editArticleTags($id, $feed_id)\">(+)</a>";
3155
3156 $rv['content'] .= "<div dojoType=\"dijit.Tooltip\"
3157 id=\"ATSTRTIP-$id\" connectId=\"ATSTR-$id\"
3158 position=\"below\">$tags_str_full</div>";
3159
3160 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_ARTICLE_BUTTON) as $p) {
3161 $rv['content'] .= $p->hook_article_button($line);
3162 }
3163
3164 } else {
3165 $tags_str = strip_tags($tags_str);
3166 $rv['content'] .= "<span id=\"ATSTR-$id\">$tags_str</span>";
3167 }
3168 $rv['content'] .= "</div>";
3169 $rv['content'] .= "<div clear='both'>";
3170
3171 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_ARTICLE_LEFT_BUTTON) as $p) {
3172 $rv['content'] .= $p->hook_article_left_button($line);
3173 }
3174
3175 $rv['content'] .= "$entry_comments</div>";
3176
3177 if ($line["orig_feed_id"]) {
3178
3179 $tmp_result = db_query("SELECT * FROM ttrss_archived_feeds
3180 WHERE id = ".$line["orig_feed_id"]);
3181
3182 if (db_num_rows($tmp_result) != 0) {
3183
3184 $rv['content'] .= "<div clear='both'>";
3185 $rv['content'] .= __("Originally from:");
3186
3187 $rv['content'] .= "&nbsp;";
3188
3189 $tmp_line = db_fetch_assoc($tmp_result);
3190
3191 $rv['content'] .= "<a target='_blank'
3192 href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
3193 $tmp_line['title'] . "</a>";
3194
3195 $rv['content'] .= "&nbsp;";
3196
3197 $rv['content'] .= "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
3198 $rv['content'] .= "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.svg'></a>";
3199
3200 $rv['content'] .= "</div>";
3201 }
3202 }
3203
3204 $rv['content'] .= "</div>";
3205
3206 $rv['content'] .= "<div id=\"POSTNOTE-$id\">";
3207 if ($line['note']) {
3208 $rv['content'] .= format_article_note($id, $line['note'], !$zoom_mode);
3209 }
3210 $rv['content'] .= "</div>";
3211
3212 $rv['content'] .= "<div class=\"postContent\">";
3213
3214 $rv['content'] .= $line["content"];
3215 $rv['content'] .= format_article_enclosures($id,
3216 sql_bool_to_bool($line["always_display_enclosures"]),
3217 $line["content"],
3218 sql_bool_to_bool($line["hide_images"]));
3219
3220 $rv['content'] .= "</div>";
3221
3222 $rv['content'] .= "</div>";
3223
3224 }
3225
3226 if ($zoom_mode) {
3227 $rv['content'] .= "
3228 <div class='footer'>
3229 <button onclick=\"return window.close()\">".
3230 __("Close this window")."</button></div>";
3231 $rv['content'] .= "</body></html>";
3232 }
3233
3234 return $rv;
3235
3236 }
3237
3238 function print_checkpoint($n, $s) {
3239 $ts = microtime(true);
3240 echo sprintf("<!-- CP[$n] %.4f seconds -->", $ts - $s);
3241 return $ts;
3242 }
3243
3244 function sanitize_tag($tag) {
3245 $tag = trim($tag);
3246
3247 $tag = mb_strtolower($tag, 'utf-8');
3248
3249 $tag = preg_replace('/[\'\"\+\>\<]/', "", $tag);
3250
3251 // $tag = str_replace('"', "", $tag);
3252 // $tag = str_replace("+", " ", $tag);
3253 $tag = str_replace("technorati tag: ", "", $tag);
3254
3255 return $tag;
3256 }
3257
3258 function get_self_url_prefix() {
3259 if (strrpos(SELF_URL_PATH, "/") === strlen(SELF_URL_PATH)-1) {
3260 return substr(SELF_URL_PATH, 0, strlen(SELF_URL_PATH)-1);
3261 } else {
3262 return SELF_URL_PATH;
3263 }
3264 }
3265
3266 /**
3267 * Compute the Mozilla Firefox feed adding URL from server HOST and REQUEST_URI.
3268 *
3269 * @return string The Mozilla Firefox feed adding URL.
3270 */
3271 function add_feed_url() {
3272 //$url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' : 'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
3273
3274 $url_path = get_self_url_prefix() .
3275 "/public.php?op=subscribe&feed_url=%s";
3276 return $url_path;
3277 } // function add_feed_url
3278
3279 function encrypt_password($pass, $salt = '', $mode2 = false) {
3280 if ($salt && $mode2) {
3281 return "MODE2:" . hash('sha256', $salt . $pass);
3282 } else if ($salt) {
3283 return "SHA1X:" . sha1("$salt:$pass");
3284 } else {
3285 return "SHA1:" . sha1($pass);
3286 }
3287 } // function encrypt_password
3288
3289 function load_filters($feed_id, $owner_uid, $action_id = false) {
3290 $filters = array();
3291
3292 $cat_id = (int)getFeedCategory($feed_id);
3293
3294 $result = db_query("SELECT * FROM ttrss_filters2 WHERE
3295 owner_uid = $owner_uid AND enabled = true ORDER BY order_id, title");
3296
3297 $check_cats = join(",", array_merge(
3298 getParentCategories($cat_id, $owner_uid),
3299 array($cat_id)));
3300
3301 while ($line = db_fetch_assoc($result)) {
3302 $filter_id = $line["id"];
3303
3304 $result2 = db_query("SELECT
3305 r.reg_exp, r.inverse, r.feed_id, r.cat_id, r.cat_filter, t.name AS type_name
3306 FROM ttrss_filters2_rules AS r,
3307 ttrss_filter_types AS t
3308 WHERE
3309 (cat_id IS NULL OR cat_id IN ($check_cats)) AND
3310 (feed_id IS NULL OR feed_id = '$feed_id') AND
3311 filter_type = t.id AND filter_id = '$filter_id'");
3312
3313 $rules = array();
3314 $actions = array();
3315
3316 while ($rule_line = db_fetch_assoc($result2)) {
3317 # print_r($rule_line);
3318
3319 $rule = array();
3320 $rule["reg_exp"] = $rule_line["reg_exp"];
3321 $rule["type"] = $rule_line["type_name"];
3322 $rule["inverse"] = sql_bool_to_bool($rule_line["inverse"]);
3323
3324 array_push($rules, $rule);
3325 }
3326
3327 $result2 = db_query("SELECT a.action_param,t.name AS type_name
3328 FROM ttrss_filters2_actions AS a,
3329 ttrss_filter_actions AS t
3330 WHERE
3331 action_id = t.id AND filter_id = '$filter_id'");
3332
3333 while ($action_line = db_fetch_assoc($result2)) {
3334 # print_r($action_line);
3335
3336 $action = array();
3337 $action["type"] = $action_line["type_name"];
3338 $action["param"] = $action_line["action_param"];
3339
3340 array_push($actions, $action);
3341 }
3342
3343
3344 $filter = array();
3345 $filter["match_any_rule"] = sql_bool_to_bool($line["match_any_rule"]);
3346 $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
3347 $filter["rules"] = $rules;
3348 $filter["actions"] = $actions;
3349
3350 if (count($rules) > 0 && count($actions) > 0) {
3351 array_push($filters, $filter);
3352 }
3353 }
3354
3355 return $filters;
3356 }
3357
3358 function get_score_pic($score) {
3359 if ($score > 100) {
3360 return "score_high.png";
3361 } else if ($score > 0) {
3362 return "score_half_high.png";
3363 } else if ($score < -100) {
3364 return "score_low.png";
3365 } else if ($score < 0) {
3366 return "score_half_low.png";
3367 } else {
3368 return "score_neutral.png";
3369 }
3370 }
3371
3372 function feed_has_icon($id) {
3373 return is_file(ICONS_DIR . "/$id.ico") && filesize(ICONS_DIR . "/$id.ico") > 0;
3374 }
3375
3376 function init_plugins() {
3377 PluginHost::getInstance()->load(PLUGINS, PluginHost::KIND_ALL);
3378
3379 return true;
3380 }
3381
3382 function format_tags_string($tags, $id) {
3383
3384 $tags_str = "";
3385 $tags_nolinks_str = "";
3386
3387 $num_tags = 0;
3388
3389 $tag_limit = 6;
3390
3391 $formatted_tags = array();
3392
3393 foreach ($tags as $tag) {
3394 $num_tags++;
3395 $tag_escaped = str_replace("'", "\\'", $tag);
3396
3397 if (mb_strlen($tag) > 30) {
3398 $tag = truncate_string($tag, 30);
3399 }
3400
3401 $tag_str = "<a href=\"javascript:viewfeed('$tag_escaped')\">$tag</a>";
3402
3403 array_push($formatted_tags, $tag_str);
3404
3405 $tmp_tags_str = implode(", ", $formatted_tags);
3406
3407 if ($num_tags == $tag_limit || mb_strlen($tmp_tags_str) > 150) {
3408 break;
3409 }
3410 }
3411
3412 $tags_str = implode(", ", $formatted_tags);
3413
3414 if ($num_tags < count($tags)) {
3415 $tags_str .= ", &hellip;";
3416 }
3417
3418 if ($num_tags == 0) {
3419 $tags_str = __("no tags");
3420 }
3421
3422 return $tags_str;
3423
3424 }
3425
3426 function format_article_labels($labels, $id) {
3427
3428 if (is_array($labels)) return '';
3429
3430 $labels_str = "";
3431
3432 foreach ($labels as $l) {
3433 $labels_str .= sprintf("<span class='hlLabelRef'
3434 style='color : %s; background-color : %s'>%s</span>",
3435 $l[2], $l[3], $l[1]);
3436 }
3437
3438 return $labels_str;
3439
3440 }
3441
3442 function format_article_note($id, $note, $allow_edit = true) {
3443
3444 $str = "<div class='articleNote' onclick=\"editArticleNote($id)\">
3445 <div class='noteEdit' onclick=\"editArticleNote($id)\">".
3446 ($allow_edit ? __('(edit note)') : "")."</div>$note</div>";
3447
3448 return $str;
3449 }
3450
3451
3452 function get_feed_category($feed_cat, $parent_cat_id = false) {
3453 if ($parent_cat_id) {
3454 $parent_qpart = "parent_cat = '$parent_cat_id'";
3455 $parent_insert = "'$parent_cat_id'";
3456 } else {
3457 $parent_qpart = "parent_cat IS NULL";
3458 $parent_insert = "NULL";
3459 }
3460
3461 $result = db_query(
3462 "SELECT id FROM ttrss_feed_categories
3463 WHERE $parent_qpart AND title = '$feed_cat' AND owner_uid = ".$_SESSION["uid"]);
3464
3465 if (db_num_rows($result) == 0) {
3466 return false;
3467 } else {
3468 return db_fetch_result($result, 0, "id");
3469 }
3470 }
3471
3472 function add_feed_category($feed_cat, $parent_cat_id = false) {
3473
3474 if (!$feed_cat) return false;
3475
3476 db_query("BEGIN");
3477
3478 if ($parent_cat_id) {
3479 $parent_qpart = "parent_cat = '$parent_cat_id'";
3480 $parent_insert = "'$parent_cat_id'";
3481 } else {
3482 $parent_qpart = "parent_cat IS NULL";
3483 $parent_insert = "NULL";
3484 }
3485
3486 $feed_cat = mb_substr($feed_cat, 0, 250);
3487
3488 $result = db_query(
3489 "SELECT id FROM ttrss_feed_categories
3490 WHERE $parent_qpart AND title = '$feed_cat' AND owner_uid = ".$_SESSION["uid"]);
3491
3492 if (db_num_rows($result) == 0) {
3493
3494 $result = db_query(
3495 "INSERT INTO ttrss_feed_categories (owner_uid,title,parent_cat)
3496 VALUES ('".$_SESSION["uid"]."', '$feed_cat', $parent_insert)");
3497
3498 db_query("COMMIT");
3499
3500 return true;
3501 }
3502
3503 return false;
3504 }
3505
3506 function getArticleFeed($id) {
3507 $result = db_query("SELECT feed_id FROM ttrss_user_entries
3508 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3509
3510 if (db_num_rows($result) != 0) {
3511 return db_fetch_result($result, 0, "feed_id");
3512 } else {
3513 return 0;
3514 }
3515 }
3516
3517 /**
3518 * Fixes incomplete URLs by prepending "http://".
3519 * Also replaces feed:// with http://, and
3520 * prepends a trailing slash if the url is a domain name only.
3521 *
3522 * @param string $url Possibly incomplete URL
3523 *
3524 * @return string Fixed URL.
3525 */
3526 function fix_url($url) {
3527 if (strpos($url, '://') === false) {
3528 $url = 'http://' . $url;
3529 } else if (substr($url, 0, 5) == 'feed:') {
3530 $url = 'http:' . substr($url, 5);
3531 }
3532
3533 //prepend slash if the URL has no slash in it
3534 // "http://www.example" -> "http://www.example/"
3535 if (strpos($url, '/', strpos($url, ':') + 3) === false) {
3536 $url .= '/';
3537 }
3538
3539 if ($url != "http:///")
3540 return $url;
3541 else
3542 return '';
3543 }
3544
3545 function validate_feed_url($url) {
3546 $parts = parse_url($url);
3547
3548 return ($parts['scheme'] == 'http' || $parts['scheme'] == 'feed' || $parts['scheme'] == 'https');
3549
3550 }
3551
3552 function get_article_enclosures($id) {
3553
3554 $query = "SELECT * FROM ttrss_enclosures
3555 WHERE post_id = '$id' AND content_url != ''";
3556
3557 $rv = array();
3558
3559 $result = db_query($query);
3560
3561 if (db_num_rows($result) > 0) {
3562 while ($line = db_fetch_assoc($result)) {
3563 array_push($rv, $line);
3564 }
3565 }
3566
3567 return $rv;
3568 }
3569
3570 function save_email_address($email) {
3571 // FIXME: implement persistent storage of emails
3572
3573 if (!$_SESSION['stored_emails'])
3574 $_SESSION['stored_emails'] = array();
3575
3576 if (!in_array($email, $_SESSION['stored_emails']))
3577 array_push($_SESSION['stored_emails'], $email);
3578 }
3579
3580
3581 function get_feed_access_key($feed_id, $is_cat, $owner_uid = false) {
3582
3583 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3584
3585 $sql_is_cat = bool_to_sql_bool($is_cat);
3586
3587 $result = db_query("SELECT access_key FROM ttrss_access_keys
3588 WHERE feed_id = '$feed_id' AND is_cat = $sql_is_cat
3589 AND owner_uid = " . $owner_uid);
3590
3591 if (db_num_rows($result) == 1) {
3592 return db_fetch_result($result, 0, "access_key");
3593 } else {
3594 $key = db_escape_string(sha1(uniqid(rand(), true)));
3595
3596 $result = db_query("INSERT INTO ttrss_access_keys
3597 (access_key, feed_id, is_cat, owner_uid)
3598 VALUES ('$key', '$feed_id', $sql_is_cat, '$owner_uid')");
3599
3600 return $key;
3601 }
3602 return false;
3603 }
3604
3605 function get_feeds_from_html($url, $content)
3606 {
3607 $url = fix_url($url);
3608 $baseUrl = substr($url, 0, strrpos($url, '/') + 1);
3609
3610 libxml_use_internal_errors(true);
3611
3612 $doc = new DOMDocument();
3613 $doc->loadHTML($content);
3614 $xpath = new DOMXPath($doc);
3615 $entries = $xpath->query('/html/head/link[@rel="alternate"]');
3616 $feedUrls = array();
3617 foreach ($entries as $entry) {
3618 if ($entry->hasAttribute('href')) {
3619 $title = $entry->getAttribute('title');
3620 if ($title == '') {
3621 $title = $entry->getAttribute('type');
3622 }
3623 $feedUrl = rewrite_relative_url(
3624 $baseUrl, $entry->getAttribute('href')
3625 );
3626 $feedUrls[$feedUrl] = $title;
3627 }
3628 }
3629 return $feedUrls;
3630 }
3631
3632 function is_html($content) {
3633 return preg_match("/<html|DOCTYPE html/i", substr($content, 0, 20)) !== 0;
3634 }
3635
3636 function url_is_html($url, $login = false, $pass = false) {
3637 return is_html(fetch_file_contents($url, false, $login, $pass));
3638 }
3639
3640 function print_label_select($name, $value, $attributes = "") {
3641
3642 $result = db_query("SELECT caption FROM ttrss_labels2
3643 WHERE owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
3644
3645 print "<select default=\"$value\" name=\"" . htmlspecialchars($name) .
3646 "\" $attributes onchange=\"labelSelectOnChange(this)\" >";
3647
3648 while ($line = db_fetch_assoc($result)) {
3649
3650 $issel = ($line["caption"] == $value) ? "selected=\"1\"" : "";
3651
3652 print "<option value=\"".htmlspecialchars($line["caption"])."\"
3653 $issel>" . htmlspecialchars($line["caption"]) . "</option>";
3654
3655 }
3656
3657 # print "<option value=\"ADD_LABEL\">" .__("Add label...") . "</option>";
3658
3659 print "</select>";
3660
3661
3662 }
3663
3664 function format_article_enclosures($id, $always_display_enclosures,
3665 $article_content, $hide_images = false) {
3666
3667 $result = get_article_enclosures($id);
3668 $rv = '';
3669
3670 if (count($result) > 0) {
3671
3672 $entries_html = array();
3673 $entries = array();
3674 $entries_inline = array();
3675
3676 foreach ($result as $line) {
3677
3678 $url = $line["content_url"];
3679 $ctype = $line["content_type"];
3680
3681 if (!$ctype) $ctype = __("unknown type");
3682
3683 $filename = substr($url, strrpos($url, "/")+1);
3684
3685 $player = format_inline_player($url, $ctype);
3686
3687 if ($player) array_push($entries_inline, $player);
3688
3689 # $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
3690 # $filename . " (" . $ctype . ")" . "</a>";
3691
3692 $entry = "<div onclick=\"window.open('".htmlspecialchars($url)."')\"
3693 dojoType=\"dijit.MenuItem\">$filename ($ctype)</div>";
3694
3695 array_push($entries_html, $entry);
3696
3697 $entry = array();
3698
3699 $entry["type"] = $ctype;
3700 $entry["filename"] = $filename;
3701 $entry["url"] = $url;
3702
3703 array_push($entries, $entry);
3704 }
3705
3706 if ($_SESSION['uid'] && !get_pref("STRIP_IMAGES") && !$_SESSION["bw_limit"]) {
3707 if ($always_display_enclosures ||
3708 !preg_match("/<img/i", $article_content)) {
3709
3710 foreach ($entries as $entry) {
3711
3712 if (preg_match("/image/", $entry["type"]) ||
3713 preg_match("/\.(jpg|png|gif|bmp)/i", $entry["filename"])) {
3714
3715 if (!$hide_images) {
3716 $rv .= "<p><img
3717 alt=\"".htmlspecialchars($entry["filename"])."\"
3718 src=\"" .htmlspecialchars($entry["url"]) . "\"/></p>";
3719 } else {
3720 $rv .= "<p><a target=\"_blank\"
3721 href=\"".htmlspecialchars($entry["url"])."\"
3722 >" .htmlspecialchars($entry["url"]) . "</a></p>";
3723
3724 }
3725 }
3726 }
3727 }
3728 }
3729
3730 if (count($entries_inline) > 0) {
3731 $rv .= "<hr clear='both'/>";
3732 foreach ($entries_inline as $entry) { $rv .= $entry; };
3733 $rv .= "<hr clear='both'/>";
3734 }
3735
3736 $rv .= "<select class=\"attachments\" onchange=\"openSelectedAttachment(this)\">".
3737 "<option value=''>" . __('Attachments')."</option>";
3738
3739 foreach ($entries as $entry) {
3740 $rv .= "<option value=\"".htmlspecialchars($entry["url"])."\">" . htmlspecialchars($entry["filename"]) . "</option>";
3741
3742 };
3743
3744 $rv .= "</select>";
3745 }
3746
3747 return $rv;
3748 }
3749
3750 function getLastArticleId() {
3751 $result = db_query("SELECT MAX(ref_id) AS id FROM ttrss_user_entries
3752 WHERE owner_uid = " . $_SESSION["uid"]);
3753
3754 if (db_num_rows($result) == 1) {
3755 return db_fetch_result($result, 0, "id");
3756 } else {
3757 return -1;
3758 }
3759 }
3760
3761 function build_url($parts) {
3762 return $parts['scheme'] . "://" . $parts['host'] . $parts['path'];
3763 }
3764
3765 /**
3766 * Converts a (possibly) relative URL to a absolute one.
3767 *
3768 * @param string $url Base URL (i.e. from where the document is)
3769 * @param string $rel_url Possibly relative URL in the document
3770 *
3771 * @return string Absolute URL
3772 */
3773 function rewrite_relative_url($url, $rel_url) {
3774 if (strpos($rel_url, "magnet:") === 0) {
3775 return $rel_url;
3776 } else if (strpos($rel_url, "://") !== false) {
3777 return $rel_url;
3778 } else if (strpos($rel_url, "//") === 0) {
3779 # protocol-relative URL (rare but they exist)
3780 return $rel_url;
3781 } else if (strpos($rel_url, "/") === 0)
3782 {
3783 $parts = parse_url($url);
3784 $parts['path'] = $rel_url;
3785
3786 return build_url($parts);
3787
3788 } else {
3789 $parts = parse_url($url);
3790 if (!isset($parts['path'])) {
3791 $parts['path'] = '/';
3792 }
3793 $dir = $parts['path'];
3794 if (substr($dir, -1) !== '/') {
3795 $dir = dirname($parts['path']);
3796 $dir !== '/' && $dir .= '/';
3797 }
3798 $parts['path'] = $dir . $rel_url;
3799
3800 return build_url($parts);
3801 }
3802 }
3803
3804 function sphinx_search($query, $offset = 0, $limit = 30) {
3805 require_once 'lib/sphinxapi.php';
3806
3807 $sphinxClient = new SphinxClient();
3808
3809 $sphinxpair = explode(":", SPHINX_SERVER, 2);
3810
3811 $sphinxClient->SetServer($sphinxpair[0], $sphinxpair[1]);
3812 $sphinxClient->SetConnectTimeout(1);
3813
3814 $sphinxClient->SetFieldWeights(array('title' => 70, 'content' => 30,
3815 'feed_title' => 20));
3816
3817 $sphinxClient->SetMatchMode(SPH_MATCH_EXTENDED2);
3818 $sphinxClient->SetRankingMode(SPH_RANK_PROXIMITY_BM25);
3819 $sphinxClient->SetLimits($offset, $limit, 1000);
3820 $sphinxClient->SetArrayResult(false);
3821 $sphinxClient->SetFilter('owner_uid', array($_SESSION['uid']));
3822
3823 $result = $sphinxClient->Query($query, SPHINX_INDEX);
3824
3825 $ids = array();
3826
3827 if (is_array($result['matches'])) {
3828 foreach (array_keys($result['matches']) as $int_id) {
3829 $ref_id = $result['matches'][$int_id]['attrs']['ref_id'];
3830 array_push($ids, $ref_id);
3831 }
3832 }
3833
3834 return $ids;
3835 }
3836
3837 function cleanup_tags($days = 14, $limit = 1000) {
3838
3839 if (DB_TYPE == "pgsql") {
3840 $interval_query = "date_updated < NOW() - INTERVAL '$days days'";
3841 } else if (DB_TYPE == "mysql") {
3842 $interval_query = "date_updated < DATE_SUB(NOW(), INTERVAL $days DAY)";
3843 }
3844
3845 $tags_deleted = 0;
3846
3847 while ($limit > 0) {
3848 $limit_part = 500;
3849
3850 $query = "SELECT ttrss_tags.id AS id
3851 FROM ttrss_tags, ttrss_user_entries, ttrss_entries
3852 WHERE post_int_id = int_id AND $interval_query AND
3853 ref_id = ttrss_entries.id AND tag_cache != '' LIMIT $limit_part";
3854
3855 $result = db_query($query);
3856
3857 $ids = array();
3858
3859 while ($line = db_fetch_assoc($result)) {
3860 array_push($ids, $line['id']);
3861 }
3862
3863 if (count($ids) > 0) {
3864 $ids = join(",", $ids);
3865
3866 $tmp_result = db_query("DELETE FROM ttrss_tags WHERE id IN ($ids)");
3867 $tags_deleted += db_affected_rows($tmp_result);
3868 } else {
3869 break;
3870 }
3871
3872 $limit -= $limit_part;
3873 }
3874
3875 return $tags_deleted;
3876 }
3877
3878 function print_user_stylesheet() {
3879 $value = get_pref('USER_STYLESHEET');
3880
3881 if ($value) {
3882 print "<style type=\"text/css\">";
3883 print str_replace("<br/>", "\n", $value);
3884 print "</style>";
3885 }
3886
3887 }
3888
3889 function rewrite_urls($html) {
3890 libxml_use_internal_errors(true);
3891
3892 $charset_hack = '<head>
3893 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
3894 </head>';
3895
3896 $doc = new DOMDocument();
3897 $doc->loadHTML($charset_hack . $html);
3898 $xpath = new DOMXPath($doc);
3899
3900 $entries = $xpath->query('//*/text()');
3901
3902 foreach ($entries as $entry) {
3903 if (strstr($entry->wholeText, "://") !== false) {
3904 $text = preg_replace("/((?<!=.)((http|https|ftp)+):\/\/[^ ,!]+)/i",
3905 "<a target=\"_blank\" href=\"\\1\">\\1</a>", $entry->wholeText);
3906
3907 if ($text != $entry->wholeText) {
3908 $cdoc = new DOMDocument();
3909 $cdoc->loadHTML($charset_hack . $text);
3910
3911
3912 foreach ($cdoc->childNodes as $cnode) {
3913 $cnode = $doc->importNode($cnode, true);
3914
3915 if ($cnode) {
3916 $entry->parentNode->insertBefore($cnode);
3917 }
3918 }
3919
3920 $entry->parentNode->removeChild($entry);
3921
3922 }
3923 }
3924 }
3925
3926 $node = $doc->getElementsByTagName('body')->item(0);
3927
3928 // http://tt-rss.org/forum/viewtopic.php?f=1&t=970
3929 if ($node)
3930 return $doc->saveXML($node);
3931 else
3932 return $html;
3933 }
3934
3935 function filter_to_sql($filter, $owner_uid) {
3936 $query = array();
3937
3938 if (DB_TYPE == "pgsql")
3939 $reg_qpart = "~";
3940 else
3941 $reg_qpart = "REGEXP";
3942
3943 foreach ($filter["rules"] AS $rule) {
3944 $regexp_valid = preg_match('/' . $rule['reg_exp'] . '/',
3945 $rule['reg_exp']) !== FALSE;
3946
3947 if ($regexp_valid) {
3948
3949 $rule['reg_exp'] = db_escape_string($rule['reg_exp']);
3950
3951 switch ($rule["type"]) {
3952 case "title":
3953 $qpart = "LOWER(ttrss_entries.title) $reg_qpart LOWER('".
3954 $rule['reg_exp'] . "')";
3955 break;
3956 case "content":
3957 $qpart = "LOWER(ttrss_entries.content) $reg_qpart LOWER('".
3958 $rule['reg_exp'] . "')";
3959 break;
3960 case "both":
3961 $qpart = "LOWER(ttrss_entries.title) $reg_qpart LOWER('".
3962 $rule['reg_exp'] . "') OR LOWER(" .
3963 "ttrss_entries.content) $reg_qpart LOWER('" . $rule['reg_exp'] . "')";
3964 break;
3965 case "tag":
3966 $qpart = "LOWER(ttrss_user_entries.tag_cache) $reg_qpart LOWER('".
3967 $rule['reg_exp'] . "')";
3968 break;
3969 case "link":
3970 $qpart = "LOWER(ttrss_entries.link) $reg_qpart LOWER('".
3971 $rule['reg_exp'] . "')";
3972 break;
3973 case "author":
3974 $qpart = "LOWER(ttrss_entries.author) $reg_qpart LOWER('".
3975 $rule['reg_exp'] . "')";
3976 break;
3977 }
3978
3979 if (isset($rule['inverse'])) $qpart = "NOT ($qpart)";
3980
3981 if (isset($rule["feed_id"]) && $rule["feed_id"] > 0) {
3982 $qpart .= " AND feed_id = " . db_escape_string($rule["feed_id"]);
3983 }
3984
3985 if (isset($rule["cat_id"])) {
3986
3987 if ($rule["cat_id"] > 0) {
3988 $children = getChildCategories($rule["cat_id"], $owner_uid);
3989 array_push($children, $rule["cat_id"]);
3990
3991 $children = join(",", $children);
3992
3993 $cat_qpart = "cat_id IN ($children)";
3994 } else {
3995 $cat_qpart = "cat_id IS NULL";
3996 }
3997
3998 $qpart .= " AND $cat_qpart";
3999 }
4000
4001 array_push($query, "($qpart)");
4002
4003 }
4004 }
4005
4006 if (count($query) > 0) {
4007 $fullquery = "(" . join($filter["match_any_rule"] ? "OR" : "AND", $query) . ")";
4008 } else {
4009 $fullquery = "(false)";
4010 }
4011
4012 if ($filter['inverse']) $fullquery = "(NOT $fullquery)";
4013
4014 return $fullquery;
4015 }
4016
4017 if (!function_exists('gzdecode')) {
4018 function gzdecode($string) { // no support for 2nd argument
4019 return file_get_contents('compress.zlib://data:who/cares;base64,'.
4020 base64_encode($string));
4021 }
4022 }
4023
4024 function get_random_bytes($length) {
4025 if (function_exists('openssl_random_pseudo_bytes')) {
4026 return openssl_random_pseudo_bytes($length);
4027 } else {
4028 $output = "";
4029
4030 for ($i = 0; $i < $length; $i++)
4031 $output .= chr(mt_rand(0, 255));
4032
4033 return $output;
4034 }
4035 }
4036
4037 function read_stdin() {
4038 $fp = fopen("php://stdin", "r");
4039
4040 if ($fp) {
4041 $line = trim(fgets($fp));
4042 fclose($fp);
4043 return $line;
4044 }
4045
4046 return null;
4047 }
4048
4049 function tmpdirname($path, $prefix) {
4050 // Use PHP's tmpfile function to create a temporary
4051 // directory name. Delete the file and keep the name.
4052 $tempname = tempnam($path,$prefix);
4053 if (!$tempname)
4054 return false;
4055
4056 if (!unlink($tempname))
4057 return false;
4058
4059 return $tempname;
4060 }
4061
4062 function getFeedCategory($feed) {
4063 $result = db_query("SELECT cat_id FROM ttrss_feeds
4064 WHERE id = '$feed'");
4065
4066 if (db_num_rows($result) > 0) {
4067 return db_fetch_result($result, 0, "cat_id");
4068 } else {
4069 return false;
4070 }
4071
4072 }
4073
4074 function implements_interface($class, $interface) {
4075 return in_array($interface, class_implements($class));
4076 }
4077
4078 function geturl($url){
4079
4080 if (!function_exists('curl_init'))
4081 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);
4082
4083 $curl = curl_init();
4084 $header[0] = "Accept: text/xml,application/xml,application/xhtml+xml,";
4085 $header[0] .= "text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5";
4086 $header[] = "Cache-Control: max-age=0";
4087 $header[] = "Connection: keep-alive";
4088 $header[] = "Keep-Alive: 300";
4089 $header[] = "Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7";
4090 $header[] = "Accept-Language: en-us,en;q=0.5";
4091 $header[] = "Pragma: ";
4092
4093 curl_setopt($curl, CURLOPT_URL, $url);
4094 curl_setopt($curl, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows NT 5.1; rv:5.0) Gecko/20100101 Firefox/5.0 Firefox/5.0');
4095 curl_setopt($curl, CURLOPT_HTTPHEADER, $header);
4096 curl_setopt($curl, CURLOPT_HEADER, true);
4097 curl_setopt($curl, CURLOPT_REFERER, $url);
4098 curl_setopt($curl, CURLOPT_ENCODING, 'gzip,deflate');
4099 curl_setopt($curl, CURLOPT_AUTOREFERER, true);
4100 curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
4101 //curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true); //CURLOPT_FOLLOWLOCATION Disabled...
4102 curl_setopt($curl, CURLOPT_TIMEOUT, 60);
4103
4104 $html = curl_exec($curl);
4105
4106 $status = curl_getinfo($curl);
4107 curl_close($curl);
4108
4109 if($status['http_code']!=200){
4110 if($status['http_code'] == 301 || $status['http_code'] == 302) {
4111 list($header) = explode("\r\n\r\n", $html, 2);
4112 $matches = array();
4113 preg_match("/(Location:|URI:)[^(\n)]*/", $header, $matches);
4114 $url = trim(str_replace($matches[1],"",$matches[0]));
4115 $url_parsed = parse_url($url);
4116 return (isset($url_parsed))? geturl($url, $referer):'';
4117 }
4118 $oline='';
4119 foreach($status as $key=>$eline){$oline.='['.$key.']'.$eline.' ';}
4120 $line =$oline." \r\n ".$url."\r\n-----------------\r\n";
4121 # $handle = @fopen('./curl.error.log', 'a');
4122 # fwrite($handle, $line);
4123 return FALSE;
4124 }
4125 return $url;
4126 }
4127
4128 function get_minified_js($files) {
4129 require_once 'lib/jshrink/Minifier.php';
4130
4131 $rv = '';
4132
4133 foreach ($files as $js) {
4134 if (!isset($_GET['debug'])) {
4135 $cached_file = CACHE_DIR . "/js/$js.js";
4136
4137 if (file_exists($cached_file) &&
4138 is_readable($cached_file) &&
4139 filemtime($cached_file) >= filemtime("js/$js.js")) {
4140
4141 $rv .= file_get_contents($cached_file);
4142
4143 } else {
4144 $minified = JShrink\Minifier::minify(file_get_contents("js/$js.js"));
4145 file_put_contents($cached_file, $minified);
4146 $rv .= $minified;
4147 }
4148 } else {
4149 $rv .= file_get_contents("js/$js.js");
4150 }
4151 }
4152
4153 return $rv;
4154 }
4155
4156 function stylesheet_tag($filename) {
4157 $timestamp = filemtime($filename);
4158
4159 echo "<link rel=\"stylesheet\" type=\"text/css\" href=\"$filename?$timestamp\"/>\n";
4160 }
4161
4162 function javascript_tag($filename) {
4163 $query = "";
4164
4165 if (!(strpos($filename, "?") === FALSE)) {
4166 $query = substr($filename, strpos($filename, "?")+1);
4167 $filename = substr($filename, 0, strpos($filename, "?"));
4168 }
4169
4170 $timestamp = filemtime($filename);
4171
4172 if ($query) $timestamp .= "&$query";
4173
4174 echo "<script type=\"text/javascript\" charset=\"utf-8\" src=\"$filename?$timestamp\"></script>\n";
4175 }
4176
4177 function calculate_dep_timestamp() {
4178 $files = array_merge(glob("js/*.js"), glob("*.css"));
4179
4180 $max_ts = -1;
4181
4182 foreach ($files as $file) {
4183 if (filemtime($file) > $max_ts) $max_ts = filemtime($file);
4184 }
4185
4186 return $max_ts;
4187 }
4188
4189 function T_js_decl($s1, $s2) {
4190 if ($s1 && $s2) {
4191 $s1 = preg_replace("/\n/", "", $s1);
4192 $s2 = preg_replace("/\n/", "", $s2);
4193
4194 $s1 = preg_replace("/\"/", "\\\"", $s1);
4195 $s2 = preg_replace("/\"/", "\\\"", $s2);
4196
4197 return "T_messages[\"$s1\"] = \"$s2\";\n";
4198 }
4199 }
4200
4201 function init_js_translations() {
4202
4203 print 'var T_messages = new Object();
4204
4205 function __(msg) {
4206 if (T_messages[msg]) {
4207 return T_messages[msg];
4208 } else {
4209 return msg;
4210 }
4211 }
4212
4213 function ngettext(msg1, msg2, n) {
4214 return (parseInt(n) > 1) ? msg2 : msg1;
4215 }';
4216
4217 $l10n = _get_reader();
4218
4219 for ($i = 0; $i < $l10n->total; $i++) {
4220 $orig = $l10n->get_original_string($i);
4221 $translation = __($orig);
4222
4223 print T_js_decl($orig, $translation);
4224 }
4225 }
4226
4227 function label_to_feed_id($label) {
4228 return LABEL_BASE_INDEX - 1 - abs($label);
4229 }
4230
4231 function feed_to_label_id($feed) {
4232 return LABEL_BASE_INDEX - 1 + abs($feed);
4233 }
4234
4235 function format_libxml_error($error) {
4236 return T_sprintf("LibXML error %s at line %d (column %d): %s",
4237 $error->code, $error->line, $error->column,
4238 $error->message);
4239 }
4240
4241 ?>
web-based news feed (RSS/Atom) reader and aggregator; see https://tt-rss.org/