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[tt-rss.git] / include / functions.php
1 <?php
2 define('EXPECTED_CONFIG_VERSION', 26);
3 define('SCHEMA_VERSION', 118);
4
5 define('LABEL_BASE_INDEX', -1024);
6 define('PLUGIN_FEED_BASE_INDEX', -128);
7
8 $fetch_last_error = false;
9 $fetch_last_error_code = false;
10 $fetch_last_content_type = false;
11 $fetch_curl_used = false;
12
13 mb_internal_encoding("UTF-8");
14 date_default_timezone_set('UTC');
15 if (defined('E_DEPRECATED')) {
16 error_reporting(E_ALL & ~E_NOTICE & ~E_DEPRECATED);
17 } else {
18 error_reporting(E_ALL & ~E_NOTICE);
19 }
20
21 require_once 'config.php';
22
23 /**
24 * Define a constant if not already defined
25 *
26 * @param string $name The constant name.
27 * @param mixed $value The constant value.
28 * @access public
29 * @return boolean True if defined successfully or not.
30 */
31 function define_default($name, $value) {
32 defined($name) or define($name, $value);
33 }
34
35 ///// Some defaults that you can override in config.php //////
36
37 define_default('FEED_FETCH_TIMEOUT', 45);
38 // How may seconds to wait for response when requesting feed from a site
39 define_default('FEED_FETCH_NO_CACHE_TIMEOUT', 15);
40 // How may seconds to wait for response when requesting feed from a
41 // site when that feed wasn't cached before
42 define_default('FILE_FETCH_TIMEOUT', 45);
43 // Default timeout when fetching files from remote sites
44 define_default('FILE_FETCH_CONNECT_TIMEOUT', 15);
45 // How many seconds to wait for initial response from website when
46 // fetching files from remote sites
47
48 if (DB_TYPE == "pgsql") {
49 define('SUBSTRING_FOR_DATE', 'SUBSTRING_FOR_DATE');
50 } else {
51 define('SUBSTRING_FOR_DATE', 'SUBSTRING');
52 }
53
54 /**
55 * Return available translations names.
56 *
57 * @access public
58 * @return array A array of available translations.
59 */
60 function get_translations() {
61 $tr = array(
62 "auto" => "Detect automatically",
63 "ca_CA" => "Català",
64 "cs_CZ" => "Česky",
65 "en_US" => "English",
66 "es_ES" => "Español",
67 "de_DE" => "Deutsch",
68 "fr_FR" => "Français",
69 "hu_HU" => "Magyar (Hungarian)",
70 "it_IT" => "Italiano",
71 "ja_JP" => "日本語 (Japanese)",
72 "lv_LV" => "Latviešu",
73 "nb_NO" => "Norwegian bokmål",
74 "nl_NL" => "Dutch",
75 "pl_PL" => "Polski",
76 "ru_RU" => "Русский",
77 "pt_BR" => "Portuguese/Brazil",
78 "zh_CN" => "Simplified Chinese",
79 "sv_SE" => "Svenska",
80 "fi_FI" => "Suomi");
81
82 return $tr;
83 }
84
85 require_once "lib/accept-to-gettext.php";
86 require_once "lib/gettext/gettext.inc";
87
88
89 function startup_gettext() {
90
91 # Get locale from Accept-Language header
92 $lang = al2gt(array_keys(get_translations()), "text/html");
93
94 if (defined('_TRANSLATION_OVERRIDE_DEFAULT')) {
95 $lang = _TRANSLATION_OVERRIDE_DEFAULT;
96 }
97
98 if ($_SESSION["language"] && $_SESSION["language"] != "auto") {
99 $lang = $_SESSION["language"];
100 }
101
102 if ($lang) {
103 if (defined('LC_MESSAGES')) {
104 _setlocale(LC_MESSAGES, $lang);
105 } else if (defined('LC_ALL')) {
106 _setlocale(LC_ALL, $lang);
107 }
108
109 _bindtextdomain("messages", "locale");
110
111 _textdomain("messages");
112 _bind_textdomain_codeset("messages", "UTF-8");
113 }
114 }
115
116 startup_gettext();
117
118 require_once 'db-prefs.php';
119 require_once 'version.php';
120 require_once 'ccache.php';
121 require_once 'labels.php';
122
123 define('SELF_USER_AGENT', 'Tiny Tiny RSS/' . VERSION . ' (http://tt-rss.org/)');
124 ini_set('user_agent', SELF_USER_AGENT);
125
126 require_once 'lib/pubsubhubbub/publisher.php';
127
128 $tz_offset = -1;
129 $utc_tz = new DateTimeZone('UTC');
130 $schema_version = false;
131
132 /**
133 * Print a timestamped debug message.
134 *
135 * @param string $msg The debug message.
136 * @return void
137 */
138 function _debug($msg) {
139 $ts = strftime("%H:%M:%S", time());
140 if (function_exists('posix_getpid')) {
141 $ts = "$ts/" . posix_getpid();
142 }
143
144 if (!(defined('QUIET') && QUIET)) {
145 print "[$ts] $msg\n";
146 }
147
148 if (defined('LOGFILE')) {
149 $fp = fopen(LOGFILE, 'a+');
150
151 if ($fp) {
152 fputs($fp, "[$ts] $msg\n");
153 fclose($fp);
154 }
155 }
156
157 } // function _debug
158
159 /**
160 * Purge a feed old posts.
161 *
162 * @param mixed $link A database connection.
163 * @param mixed $feed_id The id of the purged feed.
164 * @param mixed $purge_interval Olderness of purged posts.
165 * @param boolean $debug Set to True to enable the debug. False by default.
166 * @access public
167 * @return void
168 */
169 function purge_feed($feed_id, $purge_interval, $debug = false) {
170
171 if (!$purge_interval) $purge_interval = feed_purge_interval($feed_id);
172
173 $rows = -1;
174
175 $result = db_query(
176 "SELECT owner_uid FROM ttrss_feeds WHERE id = '$feed_id'");
177
178 $owner_uid = false;
179
180 if (db_num_rows($result) == 1) {
181 $owner_uid = db_fetch_result($result, 0, "owner_uid");
182 }
183
184 if ($purge_interval == -1 || !$purge_interval) {
185 if ($owner_uid) {
186 ccache_update($feed_id, $owner_uid);
187 }
188 return;
189 }
190
191 if (!$owner_uid) return;
192
193 if (FORCE_ARTICLE_PURGE == 0) {
194 $purge_unread = get_pref("PURGE_UNREAD_ARTICLES",
195 $owner_uid, false);
196 } else {
197 $purge_unread = true;
198 $purge_interval = FORCE_ARTICLE_PURGE;
199 }
200
201 if (!$purge_unread) $query_limit = " unread = false AND ";
202
203 if (DB_TYPE == "pgsql") {
204 $pg_version = get_pgsql_version();
205
206 if (preg_match("/^7\./", $pg_version) || preg_match("/^8\.0/", $pg_version)) {
207
208 $result = db_query("DELETE FROM ttrss_user_entries WHERE
209 ttrss_entries.id = ref_id AND
210 marked = false AND
211 feed_id = '$feed_id' AND
212 $query_limit
213 ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
214
215 } else {
216
217 $result = db_query("DELETE FROM ttrss_user_entries
218 USING ttrss_entries
219 WHERE ttrss_entries.id = ref_id AND
220 marked = false AND
221 feed_id = '$feed_id' AND
222 $query_limit
223 ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
224 }
225
226 } else {
227
228 /* $result = db_query("DELETE FROM ttrss_user_entries WHERE
229 marked = false AND feed_id = '$feed_id' AND
230 (SELECT date_updated FROM ttrss_entries WHERE
231 id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
232
233 $result = db_query("DELETE FROM ttrss_user_entries
234 USING ttrss_user_entries, ttrss_entries
235 WHERE ttrss_entries.id = ref_id AND
236 marked = false AND
237 feed_id = '$feed_id' AND
238 $query_limit
239 ttrss_entries.date_updated < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
240 }
241
242 $rows = db_affected_rows($result);
243
244 ccache_update($feed_id, $owner_uid);
245
246 if ($debug) {
247 _debug("Purged feed $feed_id ($purge_interval): deleted $rows articles");
248 }
249
250 return $rows;
251 } // function purge_feed
252
253 function feed_purge_interval($feed_id) {
254
255 $result = db_query("SELECT purge_interval, owner_uid FROM ttrss_feeds
256 WHERE id = '$feed_id'");
257
258 if (db_num_rows($result) == 1) {
259 $purge_interval = db_fetch_result($result, 0, "purge_interval");
260 $owner_uid = db_fetch_result($result, 0, "owner_uid");
261
262 if ($purge_interval == 0) $purge_interval = get_pref(
263 'PURGE_OLD_DAYS', $owner_uid);
264
265 return $purge_interval;
266
267 } else {
268 return -1;
269 }
270 }
271
272 function purge_orphans($do_output = false) {
273
274 // purge orphaned posts in main content table
275 $result = db_query("DELETE FROM ttrss_entries WHERE
276 (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
277
278 if ($do_output) {
279 $rows = db_affected_rows($result);
280 _debug("Purged $rows orphaned posts.");
281 }
282 }
283
284 function get_feed_update_interval($feed_id) {
285 $result = db_query("SELECT owner_uid, update_interval FROM
286 ttrss_feeds WHERE id = '$feed_id'");
287
288 if (db_num_rows($result) == 1) {
289 $update_interval = db_fetch_result($result, 0, "update_interval");
290 $owner_uid = db_fetch_result($result, 0, "owner_uid");
291
292 if ($update_interval != 0) {
293 return $update_interval;
294 } else {
295 return get_pref('DEFAULT_UPDATE_INTERVAL', $owner_uid, false);
296 }
297
298 } else {
299 return -1;
300 }
301 }
302
303 function fetch_file_contents($url, $type = false, $login = false, $pass = false, $post_query = false, $timeout = false, $timestamp = 0) {
304
305 global $fetch_last_error;
306 global $fetch_last_error_code;
307 global $fetch_last_content_type;
308 global $fetch_curl_used;
309
310 $url = str_replace(' ', '%20', $url);
311
312 if (!defined('NO_CURL') && function_exists('curl_init')) {
313
314 $fetch_curl_used = true;
315
316 if (ini_get("safe_mode") || ini_get("open_basedir")) {
317 $ch = curl_init(geturl($url));
318 } else {
319 $ch = curl_init($url);
320 }
321
322 if ($timestamp) {
323 curl_setopt($ch, CURLOPT_HTTPHEADER,
324 array("If-Modified-Since: ".gmdate('D, d M Y H:i:s \G\M\T', $timestamp)));
325 }
326
327 curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout ? $timeout : FILE_FETCH_CONNECT_TIMEOUT);
328 curl_setopt($ch, CURLOPT_TIMEOUT, $timeout ? $timeout : FILE_FETCH_TIMEOUT);
329 curl_setopt($ch, CURLOPT_FOLLOWLOCATION, !ini_get("safe_mode") && !ini_get("open_basedir"));
330 curl_setopt($ch, CURLOPT_MAXREDIRS, 20);
331 curl_setopt($ch, CURLOPT_BINARYTRANSFER, true);
332 curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
333 curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
334 curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
335 curl_setopt($ch, CURLOPT_USERAGENT, SELF_USER_AGENT);
336 curl_setopt($ch, CURLOPT_ENCODING, "");
337 curl_setopt($ch, CURLOPT_REFERER, $url);
338
339 if ($post_query) {
340 curl_setopt($ch, CURLOPT_POST, true);
341 curl_setopt($ch, CURLOPT_POSTFIELDS, $post_query);
342 }
343
344 if ($login && $pass)
345 curl_setopt($ch, CURLOPT_USERPWD, "$login:$pass");
346
347 $contents = @curl_exec($ch);
348
349 if (curl_errno($ch) === 23 || curl_errno($ch) === 61) {
350 curl_setopt($ch, CURLOPT_ENCODING, 'none');
351 $contents = @curl_exec($ch);
352 }
353
354 if ($contents === false) {
355 $fetch_last_error = curl_errno($ch) . " " . curl_error($ch);
356 curl_close($ch);
357 return false;
358 }
359
360 $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
361 $fetch_last_content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
362
363 $fetch_last_error_code = $http_code;
364
365 if ($http_code != 200 || $type && strpos($fetch_last_content_type, "$type") === false) {
366 if (curl_errno($ch) != 0) {
367 $fetch_last_error = curl_errno($ch) . " " . curl_error($ch);
368 } else {
369 $fetch_last_error = "HTTP Code: $http_code";
370 }
371 curl_close($ch);
372 return false;
373 }
374
375 curl_close($ch);
376
377 return $contents;
378 } else {
379
380 $fetch_curl_used = false;
381
382 if ($login && $pass){
383 $url_parts = array();
384
385 preg_match("/(^[^:]*):\/\/(.*)/", $url, $url_parts);
386
387 $pass = urlencode($pass);
388
389 if ($url_parts[1] && $url_parts[2]) {
390 $url = $url_parts[1] . "://$login:$pass@" . $url_parts[2];
391 }
392 }
393
394 $data = @file_get_contents($url);
395
396 $fetch_last_content_type = false; // reset if no type was sent from server
397 if (is_array($http_response_header)) {
398 foreach ($http_response_header as $h) {
399 if (substr(strtolower($h), 0, 13) == 'content-type:') {
400 $fetch_last_content_type = substr($h, 14);
401 // don't abort here b/c there might be more than one
402 // e.g. if we were being redirected -- last one is the right one
403 }
404 }
405 }
406
407 if (!$data && function_exists('error_get_last')) {
408 $error = error_get_last();
409 $fetch_last_error = $error["message"];
410 }
411 return $data;
412 }
413
414 }
415
416 /**
417 * Try to determine the favicon URL for a feed.
418 * adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/)
419 * http://dev.wp-plugins.org/file/favatars/trunk/favatars.php
420 *
421 * @param string $url A feed or page URL
422 * @access public
423 * @return mixed The favicon URL, or false if none was found.
424 */
425 function get_favicon_url($url) {
426
427 $favicon_url = false;
428
429 if ($html = @fetch_file_contents($url)) {
430
431 libxml_use_internal_errors(true);
432
433 $doc = new DOMDocument();
434 $doc->loadHTML($html);
435 $xpath = new DOMXPath($doc);
436
437 $base = $xpath->query('/html/head/base');
438 foreach ($base as $b) {
439 $url = $b->getAttribute("href");
440 break;
441 }
442
443 $entries = $xpath->query('/html/head/link[@rel="shortcut icon" or @rel="icon"]');
444 if (count($entries) > 0) {
445 foreach ($entries as $entry) {
446 $favicon_url = rewrite_relative_url($url, $entry->getAttribute("href"));
447 break;
448 }
449 }
450 }
451
452 if (!$favicon_url)
453 $favicon_url = rewrite_relative_url($url, "/favicon.ico");
454
455 return $favicon_url;
456 } // function get_favicon_url
457
458 function check_feed_favicon($site_url, $feed) {
459 # print "FAVICON [$site_url]: $favicon_url\n";
460
461 $icon_file = ICONS_DIR . "/$feed.ico";
462
463 if (!file_exists($icon_file)) {
464 $favicon_url = get_favicon_url($site_url);
465
466 if ($favicon_url) {
467 // Limiting to "image" type misses those served with text/plain
468 $contents = fetch_file_contents($favicon_url); // , "image");
469
470 if ($contents) {
471 // Crude image type matching.
472 // Patterns gleaned from the file(1) source code.
473 if (preg_match('/^\x00\x00\x01\x00/', $contents)) {
474 // 0 string \000\000\001\000 MS Windows icon resource
475 //error_log("check_feed_favicon: favicon_url=$favicon_url isa MS Windows icon resource");
476 }
477 elseif (preg_match('/^GIF8/', $contents)) {
478 // 0 string GIF8 GIF image data
479 //error_log("check_feed_favicon: favicon_url=$favicon_url isa GIF image");
480 }
481 elseif (preg_match('/^\x89PNG\x0d\x0a\x1a\x0a/', $contents)) {
482 // 0 string \x89PNG\x0d\x0a\x1a\x0a PNG image data
483 //error_log("check_feed_favicon: favicon_url=$favicon_url isa PNG image");
484 }
485 elseif (preg_match('/^\xff\xd8/', $contents)) {
486 // 0 beshort 0xffd8 JPEG image data
487 //error_log("check_feed_favicon: favicon_url=$favicon_url isa JPG image");
488 }
489 else {
490 //error_log("check_feed_favicon: favicon_url=$favicon_url isa UNKNOWN type");
491 $contents = "";
492 }
493 }
494
495 if ($contents) {
496 $fp = @fopen($icon_file, "w");
497
498 if ($fp) {
499 fwrite($fp, $contents);
500 fclose($fp);
501 chmod($icon_file, 0644);
502 }
503 }
504 }
505 return $icon_file;
506 }
507 }
508
509 function print_select($id, $default, $values, $attributes = "") {
510 print "<select name=\"$id\" id=\"$id\" $attributes>";
511 foreach ($values as $v) {
512 if ($v == $default)
513 $sel = "selected=\"1\"";
514 else
515 $sel = "";
516
517 $v = trim($v);
518
519 print "<option value=\"$v\" $sel>$v</option>";
520 }
521 print "</select>";
522 }
523
524 function print_select_hash($id, $default, $values, $attributes = "") {
525 print "<select name=\"$id\" id='$id' $attributes>";
526 foreach (array_keys($values) as $v) {
527 if ($v == $default)
528 $sel = 'selected="selected"';
529 else
530 $sel = "";
531
532 $v = trim($v);
533
534 print "<option $sel value=\"$v\">".$values[$v]."</option>";
535 }
536
537 print "</select>";
538 }
539
540 function print_radio($id, $default, $true_is, $values, $attributes = "") {
541 foreach ($values as $v) {
542
543 if ($v == $default)
544 $sel = "checked";
545 else
546 $sel = "";
547
548 if ($v == $true_is) {
549 $sel .= " value=\"1\"";
550 } else {
551 $sel .= " value=\"0\"";
552 }
553
554 print "<input class=\"noborder\" dojoType=\"dijit.form.RadioButton\"
555 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
556
557 }
558 }
559
560 function initialize_user_prefs($uid, $profile = false) {
561
562 $uid = db_escape_string($uid);
563
564 if (!$profile) {
565 $profile = "NULL";
566 $profile_qpart = "AND profile IS NULL";
567 } else {
568 $profile_qpart = "AND profile = '$profile'";
569 }
570
571 if (get_schema_version() < 63) $profile_qpart = "";
572
573 db_query("BEGIN");
574
575 $result = db_query("SELECT pref_name,def_value FROM ttrss_prefs");
576
577 $u_result = db_query("SELECT pref_name
578 FROM ttrss_user_prefs WHERE owner_uid = '$uid' $profile_qpart");
579
580 $active_prefs = array();
581
582 while ($line = db_fetch_assoc($u_result)) {
583 array_push($active_prefs, $line["pref_name"]);
584 }
585
586 while ($line = db_fetch_assoc($result)) {
587 if (array_search($line["pref_name"], $active_prefs) === FALSE) {
588 // print "adding " . $line["pref_name"] . "<br>";
589
590 $line["def_value"] = db_escape_string($line["def_value"]);
591 $line["pref_name"] = db_escape_string($line["pref_name"]);
592
593 if (get_schema_version() < 63) {
594 db_query("INSERT INTO ttrss_user_prefs
595 (owner_uid,pref_name,value) VALUES
596 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
597
598 } else {
599 db_query("INSERT INTO ttrss_user_prefs
600 (owner_uid,pref_name,value, profile) VALUES
601 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."', $profile)");
602 }
603
604 }
605 }
606
607 db_query("COMMIT");
608
609 }
610
611 function get_ssl_certificate_id() {
612 if ($_SERVER["REDIRECT_SSL_CLIENT_M_SERIAL"]) {
613 return sha1($_SERVER["REDIRECT_SSL_CLIENT_M_SERIAL"] .
614 $_SERVER["REDIRECT_SSL_CLIENT_V_START"] .
615 $_SERVER["REDIRECT_SSL_CLIENT_V_END"] .
616 $_SERVER["REDIRECT_SSL_CLIENT_S_DN"]);
617 }
618 return "";
619 }
620
621 function authenticate_user($login, $password, $check_only = false) {
622
623 if (!SINGLE_USER_MODE) {
624 $user_id = false;
625
626 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_AUTH_USER) as $plugin) {
627
628 $user_id = (int) $plugin->authenticate($login, $password);
629
630 if ($user_id) {
631 $_SESSION["auth_module"] = strtolower(get_class($plugin));
632 break;
633 }
634 }
635
636 if ($user_id && !$check_only) {
637 @session_start();
638
639 $_SESSION["uid"] = $user_id;
640 $_SESSION["version"] = VERSION;
641
642 $result = db_query("SELECT login,access_level,pwd_hash FROM ttrss_users
643 WHERE id = '$user_id'");
644
645 $_SESSION["name"] = db_fetch_result($result, 0, "login");
646 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
647 $_SESSION["csrf_token"] = sha1(uniqid(rand(), true));
648
649 db_query("UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
650 $_SESSION["uid"]);
651
652 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
653 $_SESSION["user_agent"] = sha1($_SERVER['HTTP_USER_AGENT']);
654 $_SESSION["pwd_hash"] = db_fetch_result($result, 0, "pwd_hash");
655
656 $_SESSION["last_version_check"] = time();
657
658 initialize_user_prefs($_SESSION["uid"]);
659
660 return true;
661 }
662
663 return false;
664
665 } else {
666
667 $_SESSION["uid"] = 1;
668 $_SESSION["name"] = "admin";
669 $_SESSION["access_level"] = 10;
670
671 $_SESSION["hide_hello"] = true;
672 $_SESSION["hide_logout"] = true;
673
674 $_SESSION["auth_module"] = false;
675
676 if (!$_SESSION["csrf_token"]) {
677 $_SESSION["csrf_token"] = sha1(uniqid(rand(), true));
678 }
679
680 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
681
682 initialize_user_prefs($_SESSION["uid"]);
683
684 return true;
685 }
686 }
687
688 function make_password($length = 8) {
689
690 $password = "";
691 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
692
693 $i = 0;
694
695 while ($i < $length) {
696 $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
697
698 if (!strstr($password, $char)) {
699 $password .= $char;
700 $i++;
701 }
702 }
703 return $password;
704 }
705
706 // this is called after user is created to initialize default feeds, labels
707 // or whatever else
708
709 // user preferences are checked on every login, not here
710
711 function initialize_user($uid) {
712
713 db_query("insert into ttrss_feeds (owner_uid,title,feed_url)
714 values ('$uid', 'Tiny Tiny RSS: New Releases',
715 'http://tt-rss.org/releases.rss')");
716
717 db_query("insert into ttrss_feeds (owner_uid,title,feed_url)
718 values ('$uid', 'Tiny Tiny RSS: Forum',
719 'http://tt-rss.org/forum/rss.php')");
720 }
721
722 function logout_user() {
723 session_destroy();
724 if (isset($_COOKIE[session_name()])) {
725 setcookie(session_name(), '', time()-42000, '/');
726 }
727 }
728
729 function validate_csrf($csrf_token) {
730 return $csrf_token == $_SESSION['csrf_token'];
731 }
732
733 function load_user_plugins($owner_uid) {
734 if ($owner_uid) {
735 $plugins = get_pref("_ENABLED_PLUGINS", $owner_uid);
736
737 PluginHost::getInstance()->load($plugins, PluginHost::KIND_USER, $owner_uid);
738
739 if (get_schema_version() > 100) {
740 PluginHost::getInstance()->load_data();
741 }
742 }
743 }
744
745 function login_sequence() {
746 if (SINGLE_USER_MODE) {
747 @session_start();
748 authenticate_user("admin", null);
749 load_user_plugins($_SESSION["uid"]);
750 } else {
751 if (!validate_session()) $_SESSION["uid"] = false;
752
753 if (!$_SESSION["uid"]) {
754
755 if (AUTH_AUTO_LOGIN && authenticate_user(null, null)) {
756 $_SESSION["ref_schema_version"] = get_schema_version(true);
757 } else {
758 authenticate_user(null, null, true);
759 }
760
761 if (!$_SESSION["uid"]) {
762 @session_destroy();
763 setcookie(session_name(), '', time()-42000, '/');
764
765 render_login_form();
766 exit;
767 }
768
769 } else {
770 /* bump login timestamp */
771 db_query("UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
772 $_SESSION["uid"]);
773 $_SESSION["last_login_update"] = time();
774 }
775
776 if ($_SESSION["uid"] && $_SESSION["language"] && SESSION_COOKIE_LIFETIME > 0) {
777 setcookie("ttrss_lang", $_SESSION["language"],
778 time() + SESSION_COOKIE_LIFETIME);
779 }
780
781 if ($_SESSION["uid"]) {
782 load_user_plugins($_SESSION["uid"]);
783
784 /* cleanup ccache */
785
786 db_query("DELETE FROM ttrss_counters_cache WHERE owner_uid = ".
787 $_SESSION["uid"] . " AND
788 (SELECT COUNT(id) FROM ttrss_feeds WHERE
789 ttrss_feeds.id = feed_id) = 0");
790
791 db_query("DELETE FROM ttrss_cat_counters_cache WHERE owner_uid = ".
792 $_SESSION["uid"] . " AND
793 (SELECT COUNT(id) FROM ttrss_feed_categories WHERE
794 ttrss_feed_categories.id = feed_id) = 0");
795
796 }
797
798 }
799 }
800
801 function truncate_string($str, $max_len, $suffix = '&hellip;') {
802 if (mb_strlen($str, "utf-8") > $max_len - 3) {
803 return mb_substr($str, 0, $max_len, "utf-8") . $suffix;
804 } else {
805 return $str;
806 }
807 }
808
809 function convert_timestamp($timestamp, $source_tz, $dest_tz) {
810
811 try {
812 $source_tz = new DateTimeZone($source_tz);
813 } catch (Exception $e) {
814 $source_tz = new DateTimeZone('UTC');
815 }
816
817 try {
818 $dest_tz = new DateTimeZone($dest_tz);
819 } catch (Exception $e) {
820 $dest_tz = new DateTimeZone('UTC');
821 }
822
823 $dt = new DateTime(date('Y-m-d H:i:s', $timestamp), $source_tz);
824 return $dt->format('U') + $dest_tz->getOffset($dt);
825 }
826
827 function make_local_datetime($timestamp, $long, $owner_uid = false,
828 $no_smart_dt = false) {
829
830 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
831 if (!$timestamp) $timestamp = '1970-01-01 0:00';
832
833 global $utc_tz;
834 global $tz_offset;
835
836 # We store date in UTC internally
837 $dt = new DateTime($timestamp, $utc_tz);
838
839 if ($tz_offset == -1) {
840
841 $user_tz_string = get_pref('USER_TIMEZONE', $owner_uid);
842
843 try {
844 $user_tz = new DateTimeZone($user_tz_string);
845 } catch (Exception $e) {
846 $user_tz = $utc_tz;
847 }
848
849 $tz_offset = $user_tz->getOffset($dt);
850 }
851
852 $user_timestamp = $dt->format('U') + $tz_offset;
853
854 if (!$no_smart_dt) {
855 return smart_date_time($user_timestamp,
856 $tz_offset, $owner_uid);
857 } else {
858 if ($long)
859 $format = get_pref('LONG_DATE_FORMAT', $owner_uid);
860 else
861 $format = get_pref('SHORT_DATE_FORMAT', $owner_uid);
862
863 return date($format, $user_timestamp);
864 }
865 }
866
867 function smart_date_time($timestamp, $tz_offset = 0, $owner_uid = false) {
868 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
869
870 if (date("Y.m.d", $timestamp) == date("Y.m.d", time() + $tz_offset)) {
871 return date("G:i", $timestamp);
872 } else if (date("Y", $timestamp) == date("Y", time() + $tz_offset)) {
873 $format = get_pref('SHORT_DATE_FORMAT', $owner_uid);
874 return date($format, $timestamp);
875 } else {
876 $format = get_pref('LONG_DATE_FORMAT', $owner_uid);
877 return date($format, $timestamp);
878 }
879 }
880
881 function sql_bool_to_bool($s) {
882 if ($s == "t" || $s == "1" || strtolower($s) == "true") {
883 return true;
884 } else {
885 return false;
886 }
887 }
888
889 function bool_to_sql_bool($s) {
890 if ($s) {
891 return "true";
892 } else {
893 return "false";
894 }
895 }
896
897 // Session caching removed due to causing wrong redirects to upgrade
898 // script when get_schema_version() is called on an obsolete session
899 // created on a previous schema version.
900 function get_schema_version($nocache = false) {
901 global $schema_version;
902
903 if (!$schema_version) {
904 $result = db_query("SELECT schema_version FROM ttrss_version");
905 $version = db_fetch_result($result, 0, "schema_version");
906 $schema_version = $version;
907 return $version;
908 } else {
909 return $schema_version;
910 }
911 }
912
913 function sanity_check() {
914 require_once 'errors.php';
915
916 $error_code = 0;
917 $schema_version = get_schema_version(true);
918
919 if ($schema_version != SCHEMA_VERSION) {
920 $error_code = 5;
921 }
922
923 if (DB_TYPE == "mysql") {
924 $result = db_query("SELECT true", false);
925 if (db_num_rows($result) != 1) {
926 $error_code = 10;
927 }
928 }
929
930 if (db_escape_string("testTEST") != "testTEST") {
931 $error_code = 12;
932 }
933
934 return array("code" => $error_code, "message" => $ERRORS[$error_code]);
935 }
936
937 function file_is_locked($filename) {
938 if (function_exists('flock')) {
939 $fp = @fopen(LOCK_DIRECTORY . "/$filename", "r");
940 if ($fp) {
941 if (flock($fp, LOCK_EX | LOCK_NB)) {
942 flock($fp, LOCK_UN);
943 fclose($fp);
944 return false;
945 }
946 fclose($fp);
947 return true;
948 } else {
949 return false;
950 }
951 }
952 return true; // consider the file always locked and skip the test
953 }
954
955 function make_lockfile($filename) {
956 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
957
958 if ($fp && flock($fp, LOCK_EX | LOCK_NB)) {
959 if (function_exists('posix_getpid')) {
960 fwrite($fp, posix_getpid() . "\n");
961 }
962 return $fp;
963 } else {
964 return false;
965 }
966 }
967
968 function make_stampfile($filename) {
969 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
970
971 if (flock($fp, LOCK_EX | LOCK_NB)) {
972 fwrite($fp, time() . "\n");
973 flock($fp, LOCK_UN);
974 fclose($fp);
975 return true;
976 } else {
977 return false;
978 }
979 }
980
981 function sql_random_function() {
982 if (DB_TYPE == "mysql") {
983 return "RAND()";
984 } else {
985 return "RANDOM()";
986 }
987 }
988
989 function catchup_feed($feed, $cat_view, $owner_uid = false, $max_id = false, $mode = 'all') {
990
991 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
992
993 //if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
994
995 // Todo: all this interval stuff needs some generic generator function
996
997 $date_qpart = "false";
998
999 switch ($mode) {
1000 case "1day":
1001 if (DB_TYPE == "pgsql") {
1002 $date_qpart = "date_entered < NOW() - INTERVAL '1 day' ";
1003 } else {
1004 $date_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 1 DAY) ";
1005 }
1006 break;
1007 case "1week":
1008 if (DB_TYPE == "pgsql") {
1009 $date_qpart = "date_entered < NOW() - INTERVAL '1 week' ";
1010 } else {
1011 $date_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 1 WEEK) ";
1012 }
1013 break;
1014 case "2weeks":
1015 if (DB_TYPE == "pgsql") {
1016 $date_qpart = "date_entered < NOW() - INTERVAL '2 week' ";
1017 } else {
1018 $date_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 2 WEEK) ";
1019 }
1020 break;
1021 default:
1022 $date_qpart = "true";
1023 }
1024
1025 if (is_numeric($feed)) {
1026 if ($cat_view) {
1027
1028 if ($feed >= 0) {
1029
1030 if ($feed > 0) {
1031 $children = getChildCategories($feed, $owner_uid);
1032 array_push($children, $feed);
1033
1034 $children = join(",", $children);
1035
1036 $cat_qpart = "cat_id IN ($children)";
1037 } else {
1038 $cat_qpart = "cat_id IS NULL";
1039 }
1040
1041 db_query("UPDATE ttrss_user_entries
1042 SET unread = false, last_read = NOW() WHERE ref_id IN
1043 (SELECT id FROM
1044 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1045 AND owner_uid = $owner_uid AND unread = true AND feed_id IN
1046 (SELECT id FROM ttrss_feeds WHERE $cat_qpart) AND $date_qpart) as tmp)");
1047
1048 } else if ($feed == -2) {
1049
1050 db_query("UPDATE ttrss_user_entries
1051 SET unread = false,last_read = NOW() WHERE (SELECT COUNT(*)
1052 FROM ttrss_user_labels2 WHERE article_id = ref_id) > 0
1053 AND unread = true AND $date_qpart AND owner_uid = $owner_uid");
1054 }
1055
1056 } else if ($feed > 0) {
1057
1058 db_query("UPDATE ttrss_user_entries
1059 SET unread = false, last_read = NOW() WHERE ref_id IN
1060 (SELECT id FROM
1061 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1062 AND owner_uid = $owner_uid AND unread = true AND feed_id = $feed AND $date_qpart) as tmp)");
1063
1064 } else if ($feed < 0 && $feed > LABEL_BASE_INDEX) { // special, like starred
1065
1066 if ($feed == -1) {
1067 db_query("UPDATE ttrss_user_entries
1068 SET unread = false, last_read = NOW() WHERE ref_id IN
1069 (SELECT id FROM
1070 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1071 AND owner_uid = $owner_uid AND unread = true AND marked = true AND $date_qpart) as tmp)");
1072 }
1073
1074 if ($feed == -2) {
1075 db_query("UPDATE ttrss_user_entries
1076 SET unread = false, last_read = NOW() WHERE ref_id IN
1077 (SELECT id FROM
1078 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1079 AND owner_uid = $owner_uid AND unread = true AND published = true AND $date_qpart) as tmp)");
1080 }
1081
1082 if ($feed == -3) {
1083
1084 $intl = get_pref("FRESH_ARTICLE_MAX_AGE");
1085
1086 if (DB_TYPE == "pgsql") {
1087 $match_part = "date_entered > NOW() - INTERVAL '$intl hour' ";
1088 } else {
1089 $match_part = "date_entered > DATE_SUB(NOW(),
1090 INTERVAL $intl HOUR) ";
1091 }
1092
1093 db_query("UPDATE ttrss_user_entries
1094 SET unread = false, last_read = NOW() WHERE ref_id IN
1095 (SELECT id FROM
1096 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1097 AND owner_uid = $owner_uid AND unread = true AND $date_qpart AND $match_part) as tmp)");
1098 }
1099
1100 if ($feed == -4) {
1101 db_query("UPDATE ttrss_user_entries
1102 SET unread = false, last_read = NOW() WHERE ref_id IN
1103 (SELECT id FROM
1104 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1105 AND owner_uid = $owner_uid AND unread = true AND $date_qpart) as tmp)");
1106 }
1107
1108 } else if ($feed < LABEL_BASE_INDEX) { // label
1109
1110 $label_id = feed_to_label_id($feed);
1111
1112 db_query("UPDATE ttrss_user_entries
1113 SET unread = false, last_read = NOW() WHERE ref_id IN
1114 (SELECT id FROM
1115 (SELECT ttrss_entries.id FROM ttrss_entries, ttrss_user_entries, ttrss_user_labels2 WHERE ref_id = id
1116 AND label_id = '$label_id' AND ref_id = article_id
1117 AND owner_uid = $owner_uid AND unread = true AND $date_qpart) as tmp)");
1118
1119 }
1120
1121 ccache_update($feed, $owner_uid, $cat_view);
1122
1123 } else { // tag
1124 db_query("UPDATE ttrss_user_entries
1125 SET unread = false, last_read = NOW() WHERE ref_id IN
1126 (SELECT id FROM
1127 (SELECT ttrss_entries.id FROM ttrss_entries, ttrss_user_entries, ttrss_tags WHERE ref_id = ttrss_entries.id
1128 AND post_int_id = int_id AND tag_name = '$feed'
1129 AND ttrss_user_entries.owner_uid = $owner_uid AND unread = true AND $date_qpart) as tmp)");
1130
1131 }
1132 }
1133
1134 function getAllCounters() {
1135 $data = getGlobalCounters();
1136
1137 $data = array_merge($data, getVirtCounters());
1138 $data = array_merge($data, getLabelCounters());
1139 $data = array_merge($data, getFeedCounters($active_feed));
1140 $data = array_merge($data, getCategoryCounters());
1141
1142 return $data;
1143 }
1144
1145 function getCategoryTitle($cat_id) {
1146
1147 if ($cat_id == -1) {
1148 return __("Special");
1149 } else if ($cat_id == -2) {
1150 return __("Labels");
1151 } else {
1152
1153 $result = db_query("SELECT title FROM ttrss_feed_categories WHERE
1154 id = '$cat_id'");
1155
1156 if (db_num_rows($result) == 1) {
1157 return db_fetch_result($result, 0, "title");
1158 } else {
1159 return __("Uncategorized");
1160 }
1161 }
1162 }
1163
1164
1165 function getCategoryCounters() {
1166 $ret_arr = array();
1167
1168 /* Labels category */
1169
1170 $cv = array("id" => -2, "kind" => "cat",
1171 "counter" => getCategoryUnread(-2));
1172
1173 array_push($ret_arr, $cv);
1174
1175 $result = db_query("SELECT id AS cat_id, value AS unread,
1176 (SELECT COUNT(id) FROM ttrss_feed_categories AS c2
1177 WHERE c2.parent_cat = ttrss_feed_categories.id) AS num_children
1178 FROM ttrss_feed_categories, ttrss_cat_counters_cache
1179 WHERE ttrss_cat_counters_cache.feed_id = id AND
1180 ttrss_cat_counters_cache.owner_uid = ttrss_feed_categories.owner_uid AND
1181 ttrss_feed_categories.owner_uid = " . $_SESSION["uid"]);
1182
1183 while ($line = db_fetch_assoc($result)) {
1184 $line["cat_id"] = (int) $line["cat_id"];
1185
1186 if ($line["num_children"] > 0) {
1187 $child_counter = getCategoryChildrenUnread($line["cat_id"], $_SESSION["uid"]);
1188 } else {
1189 $child_counter = 0;
1190 }
1191
1192 $cv = array("id" => $line["cat_id"], "kind" => "cat",
1193 "counter" => $line["unread"] + $child_counter);
1194
1195 array_push($ret_arr, $cv);
1196 }
1197
1198 /* Special case: NULL category doesn't actually exist in the DB */
1199
1200 $cv = array("id" => 0, "kind" => "cat",
1201 "counter" => (int) ccache_find(0, $_SESSION["uid"], true));
1202
1203 array_push($ret_arr, $cv);
1204
1205 return $ret_arr;
1206 }
1207
1208 // only accepts real cats (>= 0)
1209 function getCategoryChildrenUnread($cat, $owner_uid = false) {
1210 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1211
1212 $result = db_query("SELECT id FROM ttrss_feed_categories WHERE parent_cat = '$cat'
1213 AND owner_uid = $owner_uid");
1214
1215 $unread = 0;
1216
1217 while ($line = db_fetch_assoc($result)) {
1218 $unread += getCategoryUnread($line["id"], $owner_uid);
1219 $unread += getCategoryChildrenUnread($line["id"], $owner_uid);
1220 }
1221
1222 return $unread;
1223 }
1224
1225 function getCategoryUnread($cat, $owner_uid = false) {
1226
1227 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1228
1229 if ($cat >= 0) {
1230
1231 if ($cat != 0) {
1232 $cat_query = "cat_id = '$cat'";
1233 } else {
1234 $cat_query = "cat_id IS NULL";
1235 }
1236
1237 $result = db_query("SELECT id FROM ttrss_feeds WHERE $cat_query
1238 AND owner_uid = " . $owner_uid);
1239
1240 $cat_feeds = array();
1241 while ($line = db_fetch_assoc($result)) {
1242 array_push($cat_feeds, "feed_id = " . $line["id"]);
1243 }
1244
1245 if (count($cat_feeds) == 0) return 0;
1246
1247 $match_part = implode(" OR ", $cat_feeds);
1248
1249 $result = db_query("SELECT COUNT(int_id) AS unread
1250 FROM ttrss_user_entries
1251 WHERE unread = true AND ($match_part)
1252 AND owner_uid = " . $owner_uid);
1253
1254 $unread = 0;
1255
1256 # this needs to be rewritten
1257 while ($line = db_fetch_assoc($result)) {
1258 $unread += $line["unread"];
1259 }
1260
1261 return $unread;
1262 } else if ($cat == -1) {
1263 return getFeedUnread(-1) + getFeedUnread($link, -2) + getFeedUnread($link, -3) + getFeedUnread($link, 0);
1264 } else if ($cat == -2) {
1265
1266 $result = db_query("
1267 SELECT COUNT(unread) AS unread FROM
1268 ttrss_user_entries, ttrss_user_labels2
1269 WHERE article_id = ref_id AND unread = true
1270 AND ttrss_user_entries.owner_uid = '$owner_uid'");
1271
1272 $unread = db_fetch_result($result, 0, "unread");
1273
1274 return $unread;
1275
1276 }
1277 }
1278
1279 function getFeedUnread($feed, $is_cat = false) {
1280 return getFeedArticles($feed, $is_cat, true, $_SESSION["uid"]);
1281 }
1282
1283 function getLabelUnread($label_id, $owner_uid = false) {
1284 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1285
1286 $result = db_query("SELECT COUNT(ref_id) AS unread FROM ttrss_user_entries, ttrss_user_labels2
1287 WHERE owner_uid = '$owner_uid' AND unread = true AND label_id = '$label_id' AND article_id = ref_id");
1288
1289 if (db_num_rows($result) != 0) {
1290 return db_fetch_result($result, 0, "unread");
1291 } else {
1292 return 0;
1293 }
1294 }
1295
1296 function getFeedArticles($feed, $is_cat = false, $unread_only = false,
1297 $owner_uid = false) {
1298
1299 $n_feed = (int) $feed;
1300 $need_entries = false;
1301
1302 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1303
1304 if ($unread_only) {
1305 $unread_qpart = "unread = true";
1306 } else {
1307 $unread_qpart = "true";
1308 }
1309
1310 if ($is_cat) {
1311 return getCategoryUnread($n_feed, $owner_uid);
1312 } else if ($n_feed == -6) {
1313 return 0;
1314 } else if ($feed != "0" && $n_feed == 0) {
1315
1316 $feed = db_escape_string($feed);
1317
1318 $result = db_query("SELECT SUM((SELECT COUNT(int_id)
1319 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
1320 AND ref_id = id AND $unread_qpart)) AS count FROM ttrss_tags
1321 WHERE owner_uid = $owner_uid AND tag_name = '$feed'");
1322 return db_fetch_result($result, 0, "count");
1323
1324 } else if ($n_feed == -1) {
1325 $match_part = "marked = true";
1326 } else if ($n_feed == -2) {
1327 $match_part = "published = true";
1328 } else if ($n_feed == -3) {
1329 $match_part = "unread = true AND score >= 0";
1330
1331 $intl = get_pref("FRESH_ARTICLE_MAX_AGE", $owner_uid);
1332
1333 if (DB_TYPE == "pgsql") {
1334 $match_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
1335 } else {
1336 $match_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
1337 }
1338
1339 $need_entries = true;
1340
1341 } else if ($n_feed == -4) {
1342 $match_part = "true";
1343 } else if ($n_feed >= 0) {
1344
1345 if ($n_feed != 0) {
1346 $match_part = "feed_id = '$n_feed'";
1347 } else {
1348 $match_part = "feed_id IS NULL";
1349 }
1350
1351 } else if ($feed < LABEL_BASE_INDEX) {
1352
1353 $label_id = feed_to_label_id($feed);
1354
1355 return getLabelUnread($label_id, $owner_uid);
1356
1357 }
1358
1359 if ($match_part) {
1360
1361 if ($need_entries) {
1362 $from_qpart = "ttrss_user_entries,ttrss_entries";
1363 $from_where = "ttrss_entries.id = ttrss_user_entries.ref_id AND";
1364 } else {
1365 $from_qpart = "ttrss_user_entries";
1366 }
1367
1368 $query = "SELECT count(int_id) AS unread
1369 FROM $from_qpart WHERE
1370 $unread_qpart AND $from_where ($match_part) AND ttrss_user_entries.owner_uid = $owner_uid";
1371
1372 //echo "[$feed/$query]\n";
1373
1374 $result = db_query($query);
1375
1376 } else {
1377
1378 $result = db_query("SELECT COUNT(post_int_id) AS unread
1379 FROM ttrss_tags,ttrss_user_entries,ttrss_entries
1380 WHERE tag_name = '$feed' AND post_int_id = int_id AND ref_id = ttrss_entries.id
1381 AND $unread_qpart AND ttrss_tags.owner_uid = " . $owner_uid);
1382 }
1383
1384 $unread = db_fetch_result($result, 0, "unread");
1385
1386 return $unread;
1387 }
1388
1389 function getGlobalUnread($user_id = false) {
1390
1391 if (!$user_id) {
1392 $user_id = $_SESSION["uid"];
1393 }
1394
1395 $result = db_query("SELECT SUM(value) AS c_id FROM ttrss_counters_cache
1396 WHERE owner_uid = '$user_id' AND feed_id > 0");
1397
1398 $c_id = db_fetch_result($result, 0, "c_id");
1399
1400 return $c_id;
1401 }
1402
1403 function getGlobalCounters($global_unread = -1) {
1404 $ret_arr = array();
1405
1406 if ($global_unread == -1) {
1407 $global_unread = getGlobalUnread();
1408 }
1409
1410 $cv = array("id" => "global-unread",
1411 "counter" => (int) $global_unread);
1412
1413 array_push($ret_arr, $cv);
1414
1415 $result = db_query("SELECT COUNT(id) AS fn FROM
1416 ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
1417
1418 $subscribed_feeds = db_fetch_result($result, 0, "fn");
1419
1420 $cv = array("id" => "subscribed-feeds",
1421 "counter" => (int) $subscribed_feeds);
1422
1423 array_push($ret_arr, $cv);
1424
1425 return $ret_arr;
1426 }
1427
1428 function getVirtCounters() {
1429
1430 $ret_arr = array();
1431
1432 for ($i = 0; $i >= -4; $i--) {
1433
1434 $count = getFeedUnread($i);
1435
1436 $cv = array("id" => $i,
1437 "counter" => (int) $count);
1438
1439 // if (get_pref('EXTENDED_FEEDLIST'))
1440 // $cv["xmsg"] = getFeedArticles($i)." ".__("total");
1441
1442 array_push($ret_arr, $cv);
1443 }
1444
1445 $feeds = PluginHost::getInstance()->get_feeds(-1);
1446
1447 if (is_array($feeds)) {
1448 foreach ($feeds as $feed) {
1449 $cv = array("id" => PluginHost::pfeed_to_feed_id($feed['id']),
1450 "counter" => $feed['sender']->get_unread($feed['id']));
1451 array_push($ret_arr, $cv);
1452 }
1453 }
1454
1455 return $ret_arr;
1456 }
1457
1458 function getLabelCounters($descriptions = false) {
1459
1460 $ret_arr = array();
1461
1462 $owner_uid = $_SESSION["uid"];
1463
1464 $result = db_query("SELECT id,caption,COUNT(unread) AS unread
1465 FROM ttrss_labels2 LEFT JOIN ttrss_user_labels2 ON
1466 (ttrss_labels2.id = label_id)
1467 LEFT JOIN ttrss_user_entries ON (ref_id = article_id AND unread = true
1468 AND ttrss_user_entries.owner_uid = $owner_uid)
1469 WHERE ttrss_labels2.owner_uid = $owner_uid GROUP BY ttrss_labels2.id,
1470 ttrss_labels2.caption");
1471
1472 while ($line = db_fetch_assoc($result)) {
1473
1474 $id = label_to_feed_id($line["id"]);
1475
1476 $label_name = $line["caption"];
1477 $count = $line["unread"];
1478
1479 $cv = array("id" => $id,
1480 "counter" => (int) $count);
1481
1482 if ($descriptions)
1483 $cv["description"] = $label_name;
1484
1485 // if (get_pref('EXTENDED_FEEDLIST'))
1486 // $cv["xmsg"] = getFeedArticles($id)." ".__("total");
1487
1488 array_push($ret_arr, $cv);
1489 }
1490
1491 return $ret_arr;
1492 }
1493
1494 function getFeedCounters($active_feed = false) {
1495
1496 $ret_arr = array();
1497
1498 $query = "SELECT ttrss_feeds.id,
1499 ttrss_feeds.title,
1500 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
1501 last_error, value AS count
1502 FROM ttrss_feeds, ttrss_counters_cache
1503 WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
1504 AND ttrss_counters_cache.owner_uid = ttrss_feeds.owner_uid
1505 AND ttrss_counters_cache.feed_id = id";
1506
1507 $result = db_query($query);
1508 $fctrs_modified = false;
1509
1510 while ($line = db_fetch_assoc($result)) {
1511
1512 $id = $line["id"];
1513 $count = $line["count"];
1514 $last_error = htmlspecialchars($line["last_error"]);
1515
1516 $last_updated = make_local_datetime($line['last_updated'], false);
1517
1518 $has_img = feed_has_icon($id);
1519
1520 if (date('Y') - date('Y', strtotime($line['last_updated'])) > 2)
1521 $last_updated = '';
1522
1523 $cv = array("id" => $id,
1524 "updated" => $last_updated,
1525 "counter" => (int) $count,
1526 "has_img" => (int) $has_img);
1527
1528 if ($last_error)
1529 $cv["error"] = $last_error;
1530
1531 // if (get_pref('EXTENDED_FEEDLIST'))
1532 // $cv["xmsg"] = getFeedArticles($id)." ".__("total");
1533
1534 if ($active_feed && $id == $active_feed)
1535 $cv["title"] = truncate_string($line["title"], 30);
1536
1537 array_push($ret_arr, $cv);
1538
1539 }
1540
1541 return $ret_arr;
1542 }
1543
1544 function get_pgsql_version() {
1545 $result = db_query("SELECT version() AS version");
1546 $version = explode(" ", db_fetch_result($result, 0, "version"));
1547 return $version[1];
1548 }
1549
1550 /**
1551 * @return array (code => Status code, message => error message if available)
1552 *
1553 * 0 - OK, Feed already exists
1554 * 1 - OK, Feed added
1555 * 2 - Invalid URL
1556 * 3 - URL content is HTML, no feeds available
1557 * 4 - URL content is HTML which contains multiple feeds.
1558 * Here you should call extractfeedurls in rpc-backend
1559 * to get all possible feeds.
1560 * 5 - Couldn't download the URL content.
1561 */
1562 function subscribe_to_feed($url, $cat_id = 0,
1563 $auth_login = '', $auth_pass = '') {
1564
1565 global $fetch_last_error;
1566
1567 require_once "include/rssfuncs.php";
1568
1569 $url = fix_url($url);
1570
1571 if (!$url || !validate_feed_url($url)) return array("code" => 2);
1572
1573 $contents = @fetch_file_contents($url, false, $auth_login, $auth_pass);
1574
1575 if (!$contents) {
1576 return array("code" => 5, "message" => $fetch_last_error);
1577 }
1578
1579 if (is_html($contents)) {
1580 $feedUrls = get_feeds_from_html($url, $contents);
1581
1582 if (count($feedUrls) == 0) {
1583 return array("code" => 3);
1584 } else if (count($feedUrls) > 1) {
1585 return array("code" => 4, "feeds" => $feedUrls);
1586 }
1587 //use feed url as new URL
1588 $url = key($feedUrls);
1589 }
1590
1591 if ($cat_id == "0" || !$cat_id) {
1592 $cat_qpart = "NULL";
1593 } else {
1594 $cat_qpart = "'$cat_id'";
1595 }
1596
1597 $result = db_query(
1598 "SELECT id FROM ttrss_feeds
1599 WHERE feed_url = '$url' AND owner_uid = ".$_SESSION["uid"]);
1600
1601 if (strlen(FEED_CRYPT_KEY) > 0) {
1602 require_once "crypt.php";
1603 $auth_pass = substr(encrypt_string($auth_pass), 0, 250);
1604 $auth_pass_encrypted = 'true';
1605 } else {
1606 $auth_pass_encrypted = 'false';
1607 }
1608
1609 $auth_pass = db_escape_string($auth_pass);
1610
1611 if (db_num_rows($result) == 0) {
1612 $result = db_query(
1613 "INSERT INTO ttrss_feeds
1614 (owner_uid,feed_url,title,cat_id, auth_login,auth_pass,update_method,auth_pass_encrypted)
1615 VALUES ('".$_SESSION["uid"]."', '$url',
1616 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass', 0, $auth_pass_encrypted)");
1617
1618 $result = db_query(
1619 "SELECT id FROM ttrss_feeds WHERE feed_url = '$url'
1620 AND owner_uid = " . $_SESSION["uid"]);
1621
1622 $feed_id = db_fetch_result($result, 0, "id");
1623
1624 if ($feed_id) {
1625 update_rss_feed($feed_id, true);
1626 }
1627
1628 return array("code" => 1);
1629 } else {
1630 return array("code" => 0);
1631 }
1632 }
1633
1634 function print_feed_select($id, $default_id = "",
1635 $attributes = "", $include_all_feeds = true,
1636 $root_id = false, $nest_level = 0) {
1637
1638 if (!$root_id) {
1639 print "<select id=\"$id\" name=\"$id\" $attributes>";
1640 if ($include_all_feeds) {
1641 $is_selected = ("0" == $default_id) ? "selected=\"1\"" : "";
1642 print "<option $is_selected value=\"0\">".__('All feeds')."</option>";
1643 }
1644 }
1645
1646 if (get_pref('ENABLE_FEED_CATS')) {
1647
1648 if ($root_id)
1649 $parent_qpart = "parent_cat = '$root_id'";
1650 else
1651 $parent_qpart = "parent_cat IS NULL";
1652
1653 $result = db_query("SELECT id,title,
1654 (SELECT COUNT(id) FROM ttrss_feed_categories AS c2 WHERE
1655 c2.parent_cat = ttrss_feed_categories.id) AS num_children
1656 FROM ttrss_feed_categories
1657 WHERE owner_uid = ".$_SESSION["uid"]." AND $parent_qpart ORDER BY title");
1658
1659 while ($line = db_fetch_assoc($result)) {
1660
1661 for ($i = 0; $i < $nest_level; $i++)
1662 $line["title"] = " - " . $line["title"];
1663
1664 $is_selected = ("CAT:".$line["id"] == $default_id) ? "selected=\"1\"" : "";
1665
1666 printf("<option $is_selected value='CAT:%d'>%s</option>",
1667 $line["id"], htmlspecialchars($line["title"]));
1668
1669 if ($line["num_children"] > 0)
1670 print_feed_select($id, $default_id, $attributes,
1671 $include_all_feeds, $line["id"], $nest_level+1);
1672
1673 $feed_result = db_query("SELECT id,title FROM ttrss_feeds
1674 WHERE cat_id = '".$line["id"]."' AND owner_uid = ".$_SESSION["uid"] . " ORDER BY title");
1675
1676 while ($fline = db_fetch_assoc($feed_result)) {
1677 $is_selected = ($fline["id"] == $default_id) ? "selected=\"1\"" : "";
1678
1679 $fline["title"] = " + " . $fline["title"];
1680
1681 for ($i = 0; $i < $nest_level; $i++)
1682 $fline["title"] = " - " . $fline["title"];
1683
1684 printf("<option $is_selected value='%d'>%s</option>",
1685 $fline["id"], htmlspecialchars($fline["title"]));
1686 }
1687 }
1688
1689 if (!$root_id) {
1690 $is_selected = ($default_id == "CAT:0") ? "selected=\"1\"" : "";
1691
1692 printf("<option $is_selected value='CAT:0'>%s</option>",
1693 __("Uncategorized"));
1694
1695 $feed_result = db_query("SELECT id,title FROM ttrss_feeds
1696 WHERE cat_id IS NULL AND owner_uid = ".$_SESSION["uid"] . " ORDER BY title");
1697
1698 while ($fline = db_fetch_assoc($feed_result)) {
1699 $is_selected = ($fline["id"] == $default_id && !$default_is_cat) ? "selected=\"1\"" : "";
1700
1701 $fline["title"] = " + " . $fline["title"];
1702
1703 for ($i = 0; $i < $nest_level; $i++)
1704 $fline["title"] = " - " . $fline["title"];
1705
1706 printf("<option $is_selected value='%d'>%s</option>",
1707 $fline["id"], htmlspecialchars($fline["title"]));
1708 }
1709 }
1710
1711 } else {
1712 $result = db_query("SELECT id,title FROM ttrss_feeds
1713 WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
1714
1715 while ($line = db_fetch_assoc($result)) {
1716
1717 $is_selected = ($line["id"] == $default_id) ? "selected=\"1\"" : "";
1718
1719 printf("<option $is_selected value='%d'>%s</option>",
1720 $line["id"], htmlspecialchars($line["title"]));
1721 }
1722 }
1723
1724 if (!$root_id) {
1725 print "</select>";
1726 }
1727 }
1728
1729 function print_feed_cat_select($id, $default_id,
1730 $attributes, $include_all_cats = true, $root_id = false, $nest_level = 0) {
1731
1732 if (!$root_id) {
1733 print "<select id=\"$id\" name=\"$id\" default=\"$default_id\" onchange=\"catSelectOnChange(this)\" $attributes>";
1734 }
1735
1736 if ($root_id)
1737 $parent_qpart = "parent_cat = '$root_id'";
1738 else
1739 $parent_qpart = "parent_cat IS NULL";
1740
1741 $result = db_query("SELECT id,title,
1742 (SELECT COUNT(id) FROM ttrss_feed_categories AS c2 WHERE
1743 c2.parent_cat = ttrss_feed_categories.id) AS num_children
1744 FROM ttrss_feed_categories
1745 WHERE owner_uid = ".$_SESSION["uid"]." AND $parent_qpart ORDER BY title");
1746
1747 while ($line = db_fetch_assoc($result)) {
1748 if ($line["id"] == $default_id) {
1749 $is_selected = "selected=\"1\"";
1750 } else {
1751 $is_selected = "";
1752 }
1753
1754 for ($i = 0; $i < $nest_level; $i++)
1755 $line["title"] = " - " . $line["title"];
1756
1757 if ($line["title"])
1758 printf("<option $is_selected value='%d'>%s</option>",
1759 $line["id"], htmlspecialchars($line["title"]));
1760
1761 if ($line["num_children"] > 0)
1762 print_feed_cat_select($id, $default_id, $attributes,
1763 $include_all_cats, $line["id"], $nest_level+1);
1764 }
1765
1766 if (!$root_id) {
1767 if ($include_all_cats) {
1768 if (db_num_rows($result) > 0) {
1769 print "<option disabled=\"1\">--------</option>";
1770 }
1771
1772 if ($default_id == 0) {
1773 $is_selected = "selected=\"1\"";
1774 } else {
1775 $is_selected = "";
1776 }
1777
1778 print "<option $is_selected value=\"0\">".__('Uncategorized')."</option>";
1779 }
1780 print "</select>";
1781 }
1782 }
1783
1784 function checkbox_to_sql_bool($val) {
1785 return ($val == "on") ? "true" : "false";
1786 }
1787
1788 function getFeedCatTitle($id) {
1789 if ($id == -1) {
1790 return __("Special");
1791 } else if ($id < LABEL_BASE_INDEX) {
1792 return __("Labels");
1793 } else if ($id > 0) {
1794 $result = db_query("SELECT ttrss_feed_categories.title
1795 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
1796 cat_id = ttrss_feed_categories.id");
1797 if (db_num_rows($result) == 1) {
1798 return db_fetch_result($result, 0, "title");
1799 } else {
1800 return __("Uncategorized");
1801 }
1802 } else {
1803 return "getFeedCatTitle($id) failed";
1804 }
1805
1806 }
1807
1808 function getFeedIcon($id) {
1809 switch ($id) {
1810 case 0:
1811 return "images/archive.png";
1812 break;
1813 case -1:
1814 return "images/mark_set.svg";
1815 break;
1816 case -2:
1817 return "images/pub_set.svg";
1818 break;
1819 case -3:
1820 return "images/fresh.png";
1821 break;
1822 case -4:
1823 return "images/tag.png";
1824 break;
1825 case -6:
1826 return "images/recently_read.png";
1827 break;
1828 default:
1829 if ($id < LABEL_BASE_INDEX) {
1830 return "images/label.png";
1831 } else {
1832 if (file_exists(ICONS_DIR . "/$id.ico"))
1833 return ICONS_URL . "/$id.ico";
1834 }
1835 break;
1836 }
1837
1838 return false;
1839 }
1840
1841 function getFeedTitle($id, $cat = false) {
1842 if ($cat) {
1843 return getCategoryTitle($id);
1844 } else if ($id == -1) {
1845 return __("Starred articles");
1846 } else if ($id == -2) {
1847 return __("Published articles");
1848 } else if ($id == -3) {
1849 return __("Fresh articles");
1850 } else if ($id == -4) {
1851 return __("All articles");
1852 } else if ($id === 0 || $id === "0") {
1853 return __("Archived articles");
1854 } else if ($id == -6) {
1855 return __("Recently read");
1856 } else if ($id < LABEL_BASE_INDEX) {
1857 $label_id = feed_to_label_id($id);
1858 $result = db_query("SELECT caption FROM ttrss_labels2 WHERE id = '$label_id'");
1859 if (db_num_rows($result) == 1) {
1860 return db_fetch_result($result, 0, "caption");
1861 } else {
1862 return "Unknown label ($label_id)";
1863 }
1864
1865 } else if (is_numeric($id) && $id > 0) {
1866 $result = db_query("SELECT title FROM ttrss_feeds WHERE id = '$id'");
1867 if (db_num_rows($result) == 1) {
1868 return db_fetch_result($result, 0, "title");
1869 } else {
1870 return "Unknown feed ($id)";
1871 }
1872 } else {
1873 return $id;
1874 }
1875 }
1876
1877 function make_init_params() {
1878 $params = array();
1879
1880 foreach (array("ON_CATCHUP_SHOW_NEXT_FEED", "HIDE_READ_FEEDS",
1881 "ENABLE_FEED_CATS", "FEEDS_SORT_BY_UNREAD", "CONFIRM_FEED_CATCHUP",
1882 "CDM_AUTO_CATCHUP", "FRESH_ARTICLE_MAX_AGE",
1883 "HIDE_READ_SHOWS_SPECIAL", "COMBINED_DISPLAY_MODE") as $param) {
1884
1885 $params[strtolower($param)] = (int) get_pref($param);
1886 }
1887
1888 $params["icons_url"] = ICONS_URL;
1889 $params["cookie_lifetime"] = SESSION_COOKIE_LIFETIME;
1890 $params["default_view_mode"] = get_pref("_DEFAULT_VIEW_MODE");
1891 $params["default_view_limit"] = (int) get_pref("_DEFAULT_VIEW_LIMIT");
1892 $params["default_view_order_by"] = get_pref("_DEFAULT_VIEW_ORDER_BY");
1893 $params["bw_limit"] = (int) $_SESSION["bw_limit"];
1894 $params["label_base_index"] = (int) LABEL_BASE_INDEX;
1895
1896 $result = db_query("SELECT MAX(id) AS mid, COUNT(*) AS nf FROM
1897 ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
1898
1899 $max_feed_id = db_fetch_result($result, 0, "mid");
1900 $num_feeds = db_fetch_result($result, 0, "nf");
1901
1902 $params["max_feed_id"] = (int) $max_feed_id;
1903 $params["num_feeds"] = (int) $num_feeds;
1904
1905 $params["collapsed_feedlist"] = (int) get_pref("_COLLAPSED_FEEDLIST");
1906 $params["hotkeys"] = get_hotkeys_map();
1907
1908 $params["csrf_token"] = $_SESSION["csrf_token"];
1909 $params["widescreen"] = (int) $_COOKIE["ttrss_widescreen"];
1910
1911 $params['simple_update'] = defined('SIMPLE_UPDATE_MODE') && SIMPLE_UPDATE_MODE;
1912
1913 return $params;
1914 }
1915
1916 function get_hotkeys_info() {
1917 $hotkeys = array(
1918 __("Navigation") => array(
1919 "next_feed" => __("Open next feed"),
1920 "prev_feed" => __("Open previous feed"),
1921 "next_article" => __("Open next article"),
1922 "prev_article" => __("Open previous article"),
1923 "next_article_noscroll" => __("Open next article (don't scroll long articles)"),
1924 "prev_article_noscroll" => __("Open previous article (don't scroll long articles)"),
1925 "next_article_noexpand" => __("Move to next article (don't expand or mark read)"),
1926 "prev_article_noexpand" => __("Move to previous article (don't expand or mark read)"),
1927 "search_dialog" => __("Show search dialog")),
1928 __("Article") => array(
1929 "toggle_mark" => __("Toggle starred"),
1930 "toggle_publ" => __("Toggle published"),
1931 "toggle_unread" => __("Toggle unread"),
1932 "edit_tags" => __("Edit tags"),
1933 "dismiss_selected" => __("Dismiss selected"),
1934 "dismiss_read" => __("Dismiss read"),
1935 "open_in_new_window" => __("Open in new window"),
1936 "catchup_below" => __("Mark below as read"),
1937 "catchup_above" => __("Mark above as read"),
1938 "article_scroll_down" => __("Scroll down"),
1939 "article_scroll_up" => __("Scroll up"),
1940 "select_article_cursor" => __("Select article under cursor"),
1941 "email_article" => __("Email article"),
1942 "close_article" => __("Close/collapse article"),
1943 "toggle_expand" => __("Toggle article expansion (combined mode)"),
1944 "toggle_widescreen" => __("Toggle widescreen mode"),
1945 "toggle_embed_original" => __("Toggle embed original")),
1946 __("Article selection") => array(
1947 "select_all" => __("Select all articles"),
1948 "select_unread" => __("Select unread"),
1949 "select_marked" => __("Select starred"),
1950 "select_published" => __("Select published"),
1951 "select_invert" => __("Invert selection"),
1952 "select_none" => __("Deselect everything")),
1953 __("Feed") => array(
1954 "feed_refresh" => __("Refresh current feed"),
1955 "feed_unhide_read" => __("Un/hide read feeds"),
1956 "feed_subscribe" => __("Subscribe to feed"),
1957 "feed_edit" => __("Edit feed"),
1958 "feed_catchup" => __("Mark as read"),
1959 "feed_reverse" => __("Reverse headlines"),
1960 "feed_debug_update" => __("Debug feed update"),
1961 "catchup_all" => __("Mark all feeds as read"),
1962 "cat_toggle_collapse" => __("Un/collapse current category"),
1963 "toggle_combined_mode" => __("Toggle combined mode"),
1964 "toggle_cdm_expanded" => __("Toggle auto expand in combined mode")),
1965 __("Go to") => array(
1966 "goto_all" => __("All articles"),
1967 "goto_fresh" => __("Fresh"),
1968 "goto_marked" => __("Starred"),
1969 "goto_published" => __("Published"),
1970 "goto_tagcloud" => __("Tag cloud"),
1971 "goto_prefs" => __("Preferences")),
1972 __("Other") => array(
1973 "create_label" => __("Create label"),
1974 "create_filter" => __("Create filter"),
1975 "collapse_sidebar" => __("Un/collapse sidebar"),
1976 "help_dialog" => __("Show help dialog"))
1977 );
1978
1979 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_HOTKEY_INFO) as $plugin) {
1980 $hotkeys = $plugin->hook_hotkey_info($hotkeys);
1981 }
1982
1983 return $hotkeys;
1984 }
1985
1986 function get_hotkeys_map() {
1987 $hotkeys = array(
1988 // "navigation" => array(
1989 "k" => "next_feed",
1990 "j" => "prev_feed",
1991 "n" => "next_article",
1992 "p" => "prev_article",
1993 "(38)|up" => "prev_article",
1994 "(40)|down" => "next_article",
1995 // "^(38)|Ctrl-up" => "prev_article_noscroll",
1996 // "^(40)|Ctrl-down" => "next_article_noscroll",
1997 "(191)|/" => "search_dialog",
1998 // "article" => array(
1999 "s" => "toggle_mark",
2000 "*s" => "toggle_publ",
2001 "u" => "toggle_unread",
2002 "*t" => "edit_tags",
2003 "*d" => "dismiss_selected",
2004 "*x" => "dismiss_read",
2005 "o" => "open_in_new_window",
2006 "c p" => "catchup_below",
2007 "c n" => "catchup_above",
2008 "*n" => "article_scroll_down",
2009 "*p" => "article_scroll_up",
2010 "*(38)|Shift+up" => "article_scroll_up",
2011 "*(40)|Shift+down" => "article_scroll_down",
2012 "a *w" => "toggle_widescreen",
2013 "a e" => "toggle_embed_original",
2014 "e" => "email_article",
2015 "a q" => "close_article",
2016 // "article_selection" => array(
2017 "a a" => "select_all",
2018 "a u" => "select_unread",
2019 "a *u" => "select_marked",
2020 "a p" => "select_published",
2021 "a i" => "select_invert",
2022 "a n" => "select_none",
2023 // "feed" => array(
2024 "f r" => "feed_refresh",
2025 "f a" => "feed_unhide_read",
2026 "f s" => "feed_subscribe",
2027 "f e" => "feed_edit",
2028 "f q" => "feed_catchup",
2029 "f x" => "feed_reverse",
2030 "f *d" => "feed_debug_update",
2031 "f *c" => "toggle_combined_mode",
2032 "f c" => "toggle_cdm_expanded",
2033 "*q" => "catchup_all",
2034 "x" => "cat_toggle_collapse",
2035 // "goto" => array(
2036 "g a" => "goto_all",
2037 "g f" => "goto_fresh",
2038 "g s" => "goto_marked",
2039 "g p" => "goto_published",
2040 "g t" => "goto_tagcloud",
2041 "g *p" => "goto_prefs",
2042 // "other" => array(
2043 "(9)|Tab" => "select_article_cursor", // tab
2044 "c l" => "create_label",
2045 "c f" => "create_filter",
2046 "c s" => "collapse_sidebar",
2047 "^(191)|Ctrl+/" => "help_dialog",
2048 );
2049
2050 if (get_pref('COMBINED_DISPLAY_MODE')) {
2051 $hotkeys["^(38)|Ctrl-up"] = "prev_article_noscroll";
2052 $hotkeys["^(40)|Ctrl-down"] = "next_article_noscroll";
2053 }
2054
2055 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_HOTKEY_MAP) as $plugin) {
2056 $hotkeys = $plugin->hook_hotkey_map($hotkeys);
2057 }
2058
2059 $prefixes = array();
2060
2061 foreach (array_keys($hotkeys) as $hotkey) {
2062 $pair = explode(" ", $hotkey, 2);
2063
2064 if (count($pair) > 1 && !in_array($pair[0], $prefixes)) {
2065 array_push($prefixes, $pair[0]);
2066 }
2067 }
2068
2069 return array($prefixes, $hotkeys);
2070 }
2071
2072 function make_runtime_info() {
2073 $data = array();
2074
2075 $result = db_query("SELECT MAX(id) AS mid, COUNT(*) AS nf FROM
2076 ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2077
2078 $max_feed_id = db_fetch_result($result, 0, "mid");
2079 $num_feeds = db_fetch_result($result, 0, "nf");
2080
2081 $data["max_feed_id"] = (int) $max_feed_id;
2082 $data["num_feeds"] = (int) $num_feeds;
2083
2084 $data['last_article_id'] = getLastArticleId();
2085 $data['cdm_expanded'] = get_pref('CDM_EXPANDED');
2086
2087 $data['dep_ts'] = calculate_dep_timestamp();
2088 $data['reload_on_ts_change'] = !defined('_NO_RELOAD_ON_TS_CHANGE');
2089
2090 if (file_exists(LOCK_DIRECTORY . "/update_daemon.lock")) {
2091
2092 $data['daemon_is_running'] = (int) file_is_locked("update_daemon.lock");
2093
2094 if (time() - $_SESSION["daemon_stamp_check"] > 30) {
2095
2096 $stamp = (int) @file_get_contents(LOCK_DIRECTORY . "/update_daemon.stamp");
2097
2098 if ($stamp) {
2099 $stamp_delta = time() - $stamp;
2100
2101 if ($stamp_delta > 1800) {
2102 $stamp_check = 0;
2103 } else {
2104 $stamp_check = 1;
2105 $_SESSION["daemon_stamp_check"] = time();
2106 }
2107
2108 $data['daemon_stamp_ok'] = $stamp_check;
2109
2110 $stamp_fmt = date("Y.m.d, G:i", $stamp);
2111
2112 $data['daemon_stamp'] = $stamp_fmt;
2113 }
2114 }
2115 }
2116
2117 if ($_SESSION["last_version_check"] + 86400 + rand(-1000, 1000) < time()) {
2118 $new_version_details = @check_for_update();
2119
2120 $data['new_version_available'] = (int) ($new_version_details != false);
2121
2122 $_SESSION["last_version_check"] = time();
2123 $_SESSION["version_data"] = $new_version_details;
2124 }
2125
2126 return $data;
2127 }
2128
2129 function search_to_sql($search) {
2130
2131 $search_query_part = "";
2132
2133 $keywords = explode(" ", $search);
2134 $query_keywords = array();
2135
2136 foreach ($keywords as $k) {
2137 if (strpos($k, "-") === 0) {
2138 $k = substr($k, 1);
2139 $not = "NOT";
2140 } else {
2141 $not = "";
2142 }
2143
2144 $commandpair = explode(":", mb_strtolower($k), 2);
2145
2146 switch ($commandpair[0]) {
2147 case "title":
2148 if ($commandpair[1]) {
2149 array_push($query_keywords, "($not (LOWER(ttrss_entries.title) LIKE '%".
2150 db_escape_string(mb_strtolower($commandpair[1]))."%'))");
2151 } else {
2152 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2153 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2154 }
2155 break;
2156 case "author":
2157 if ($commandpair[1]) {
2158 array_push($query_keywords, "($not (LOWER(author) LIKE '%".
2159 db_escape_string(mb_strtolower($commandpair[1]))."%'))");
2160 } else {
2161 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2162 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2163 }
2164 break;
2165 case "note":
2166 if ($commandpair[1]) {
2167 if ($commandpair[1] == "true")
2168 array_push($query_keywords, "($not (note IS NOT NULL AND note != ''))");
2169 else if ($commandpair[1] == "false")
2170 array_push($query_keywords, "($not (note IS NULL OR note = ''))");
2171 else
2172 array_push($query_keywords, "($not (LOWER(note) LIKE '%".
2173 db_escape_string(mb_strtolower($commandpair[1]))."%'))");
2174 } else {
2175 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2176 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2177 }
2178 break;
2179 case "star":
2180
2181 if ($commandpair[1]) {
2182 if ($commandpair[1] == "true")
2183 array_push($query_keywords, "($not (marked = true))");
2184 else
2185 array_push($query_keywords, "($not (marked = false))");
2186 } else {
2187 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2188 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2189 }
2190 break;
2191 case "pub":
2192 if ($commandpair[1]) {
2193 if ($commandpair[1] == "true")
2194 array_push($query_keywords, "($not (published = true))");
2195 else
2196 array_push($query_keywords, "($not (published = false))");
2197
2198 } else {
2199 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2200 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2201 }
2202 break;
2203 default:
2204 if (strpos($k, "@") === 0) {
2205
2206 $user_tz_string = get_pref('USER_TIMEZONE', $_SESSION['uid']);
2207 $orig_ts = strtotime(substr($k, 1));
2208 $k = date("Y-m-d", convert_timestamp($orig_ts, $user_tz_string, 'UTC'));
2209
2210 //$k = date("Y-m-d", strtotime(substr($k, 1)));
2211
2212 array_push($query_keywords, "(".SUBSTRING_FOR_DATE."(updated,1,LENGTH('$k')) $not = '$k')");
2213 } else {
2214 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2215 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2216 }
2217 }
2218 }
2219
2220 $search_query_part = implode("AND", $query_keywords);
2221
2222 return $search_query_part;
2223 }
2224
2225 function getParentCategories($cat, $owner_uid) {
2226 $rv = array();
2227
2228 $result = db_query("SELECT parent_cat FROM ttrss_feed_categories
2229 WHERE id = '$cat' AND parent_cat IS NOT NULL AND owner_uid = $owner_uid");
2230
2231 while ($line = db_fetch_assoc($result)) {
2232 array_push($rv, $line["parent_cat"]);
2233 $rv = array_merge($rv, getParentCategories($line["parent_cat"], $owner_uid));
2234 }
2235
2236 return $rv;
2237 }
2238
2239 function getChildCategories($cat, $owner_uid) {
2240 $rv = array();
2241
2242 $result = db_query("SELECT id FROM ttrss_feed_categories
2243 WHERE parent_cat = '$cat' AND owner_uid = $owner_uid");
2244
2245 while ($line = db_fetch_assoc($result)) {
2246 array_push($rv, $line["id"]);
2247 $rv = array_merge($rv, getChildCategories($line["id"], $owner_uid));
2248 }
2249
2250 return $rv;
2251 }
2252
2253 function queryFeedHeadlines($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, $ignore_vfeed_group = false) {
2254
2255 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2256
2257 $ext_tables_part = "";
2258
2259 if ($search) {
2260
2261 if (SPHINX_ENABLED) {
2262 $ids = join(",", @sphinx_search($search, 0, 500));
2263
2264 if ($ids)
2265 $search_query_part = "ref_id IN ($ids) AND ";
2266 else
2267 $search_query_part = "ref_id = -1 AND ";
2268
2269 } else {
2270 $search_query_part = search_to_sql($search);
2271 $search_query_part .= " AND ";
2272 }
2273
2274 } else {
2275 $search_query_part = "";
2276 }
2277
2278 if ($filter) {
2279
2280 if (DB_TYPE == "pgsql") {
2281 $query_strategy_part .= " AND updated > NOW() - INTERVAL '14 days' ";
2282 } else {
2283 $query_strategy_part .= " AND updated > DATE_SUB(NOW(), INTERVAL 14 DAY) ";
2284 }
2285
2286 $override_order = "updated DESC";
2287
2288 $filter_query_part = filter_to_sql($filter, $owner_uid);
2289
2290 // Try to check if SQL regexp implementation chokes on a valid regexp
2291 $result = db_query("SELECT true AS true_val FROM ttrss_entries,
2292 ttrss_user_entries, ttrss_feeds, ttrss_feed_categories
2293 WHERE $filter_query_part LIMIT 1", false);
2294
2295 if ($result) {
2296 $test = db_fetch_result($result, 0, "true_val");
2297
2298 if (!$test) {
2299 $filter_query_part = "false AND";
2300 } else {
2301 $filter_query_part .= " AND";
2302 }
2303 } else {
2304 $filter_query_part = "false AND";
2305 }
2306
2307 } else {
2308 $filter_query_part = "";
2309 }
2310
2311 if ($since_id) {
2312 $since_id_part = "ttrss_entries.id > $since_id AND ";
2313 } else {
2314 $since_id_part = "";
2315 }
2316
2317 $view_query_part = "";
2318
2319 if ($view_mode == "adaptive") {
2320 if ($search) {
2321 $view_query_part = " ";
2322 } else if ($feed != -1) {
2323
2324 $unread = getFeedUnread($feed, $cat_view);
2325
2326 if ($cat_view && $feed > 0 && $include_children)
2327 $unread += getCategoryChildrenUnread($feed);
2328
2329 if ($unread > 0)
2330 $view_query_part = " unread = true AND ";
2331
2332 }
2333 }
2334
2335 if ($view_mode == "marked") {
2336 $view_query_part = " marked = true AND ";
2337 }
2338
2339 if ($view_mode == "has_note") {
2340 $view_query_part = " (note IS NOT NULL AND note != '') AND ";
2341 }
2342
2343 if ($view_mode == "published") {
2344 $view_query_part = " published = true AND ";
2345 }
2346
2347 if ($view_mode == "unread" && $feed != -6) {
2348 $view_query_part = " unread = true AND ";
2349 }
2350
2351 if ($limit > 0) {
2352 $limit_query_part = "LIMIT " . $limit;
2353 }
2354
2355 $allow_archived = false;
2356
2357 $vfeed_query_part = "";
2358
2359 // override query strategy and enable feed display when searching globally
2360 if ($search && $search_mode == "all_feeds") {
2361 $query_strategy_part = "true";
2362 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2363 /* tags */
2364 } else if (!is_numeric($feed)) {
2365 $query_strategy_part = "true";
2366 $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
2367 id = feed_id) as feed_title,";
2368 } else if ($search && $search_mode == "this_cat") {
2369 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2370
2371 if ($feed > 0) {
2372 if ($include_children) {
2373 $subcats = getChildCategories($feed, $owner_uid);
2374 array_push($subcats, $feed);
2375 $cats_qpart = join(",", $subcats);
2376 } else {
2377 $cats_qpart = $feed;
2378 }
2379
2380 $query_strategy_part = "ttrss_feeds.cat_id IN ($cats_qpart)";
2381
2382 } else {
2383 $query_strategy_part = "ttrss_feeds.cat_id IS NULL";
2384 }
2385
2386 } else if ($feed > 0) {
2387
2388 if ($cat_view) {
2389
2390 if ($feed > 0) {
2391 if ($include_children) {
2392 # sub-cats
2393 $subcats = getChildCategories($feed, $owner_uid);
2394
2395 array_push($subcats, $feed);
2396 $query_strategy_part = "cat_id IN (".
2397 implode(",", $subcats).")";
2398
2399 } else {
2400 $query_strategy_part = "cat_id = '$feed'";
2401 }
2402
2403 } else {
2404 $query_strategy_part = "cat_id IS NULL";
2405 }
2406
2407 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2408
2409 } else {
2410 $query_strategy_part = "feed_id = '$feed'";
2411 }
2412 } else if ($feed == 0 && !$cat_view) { // archive virtual feed
2413 $query_strategy_part = "feed_id IS NULL";
2414 $allow_archived = true;
2415 } else if ($feed == 0 && $cat_view) { // uncategorized
2416 $query_strategy_part = "cat_id IS NULL AND feed_id IS NOT NULL";
2417 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2418 } else if ($feed == -1) { // starred virtual feed
2419 $query_strategy_part = "marked = true";
2420 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2421 $allow_archived = true;
2422
2423 if (!$override_order) {
2424 $override_order = "last_marked DESC, date_entered DESC, updated DESC";
2425 }
2426
2427 } else if ($feed == -2) { // published virtual feed OR labels category
2428
2429 if (!$cat_view) {
2430 $query_strategy_part = "published = true";
2431 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2432 $allow_archived = true;
2433
2434 if (!$override_order) {
2435 $override_order = "last_published DESC, date_entered DESC, updated DESC";
2436 }
2437
2438 } else {
2439 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2440
2441 $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
2442
2443 $query_strategy_part = "ttrss_labels2.id = ttrss_user_labels2.label_id AND
2444 ttrss_user_labels2.article_id = ref_id";
2445
2446 }
2447 } else if ($feed == -6) { // recently read
2448 $query_strategy_part = "unread = false AND last_read IS NOT NULL";
2449 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2450 $allow_archived = true;
2451
2452 if (!$override_order) $override_order = "last_read DESC";
2453 } else if ($feed == -3) { // fresh virtual feed
2454 $query_strategy_part = "unread = true AND score >= 0";
2455
2456 $intl = get_pref("FRESH_ARTICLE_MAX_AGE", $owner_uid);
2457
2458 if (DB_TYPE == "pgsql") {
2459 $query_strategy_part .= " AND date_entered > NOW() - INTERVAL '$intl hour' ";
2460 } else {
2461 $query_strategy_part .= " AND date_entered > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
2462 }
2463
2464 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2465 } else if ($feed == -4) { // all articles virtual feed
2466 $allow_archived = true;
2467 $query_strategy_part = "true";
2468 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2469 } else if ($feed <= LABEL_BASE_INDEX) { // labels
2470 $label_id = feed_to_label_id($feed);
2471
2472 $query_strategy_part = "label_id = '$label_id' AND
2473 ttrss_labels2.id = ttrss_user_labels2.label_id AND
2474 ttrss_user_labels2.article_id = ref_id";
2475
2476 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2477 $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
2478 $allow_archived = true;
2479
2480 } else {
2481 $query_strategy_part = "true";
2482 }
2483
2484 $order_by = "score DESC, date_entered DESC, updated DESC";
2485
2486 if ($view_mode == "unread_first") {
2487 $order_by = "unread DESC, $order_by";
2488 }
2489
2490 if ($override_order) {
2491 $order_by = $override_order;
2492 }
2493
2494 $feed_title = "";
2495
2496 if ($search) {
2497 $feed_title = T_sprintf("Search results: %s", $search);
2498 } else {
2499 if ($cat_view) {
2500 $feed_title = getCategoryTitle($feed);
2501 } else {
2502 if (is_numeric($feed) && $feed > 0) {
2503 $result = db_query("SELECT title,site_url,last_error
2504 FROM ttrss_feeds WHERE id = '$feed' AND owner_uid = $owner_uid");
2505
2506 $feed_title = db_fetch_result($result, 0, "title");
2507 $feed_site_url = db_fetch_result($result, 0, "site_url");
2508 $last_error = db_fetch_result($result, 0, "last_error");
2509 } else {
2510 $feed_title = getFeedTitle($feed);
2511 }
2512 }
2513 }
2514
2515 $content_query_part = "content as content_preview, cached_content, ";
2516
2517 if (is_numeric($feed)) {
2518
2519 if ($feed >= 0) {
2520 $feed_kind = "Feeds";
2521 } else {
2522 $feed_kind = "Labels";
2523 }
2524
2525 if ($limit_query_part) {
2526 $offset_query_part = "OFFSET $offset";
2527 }
2528
2529 // proper override_order applied above
2530 if ($vfeed_query_part && !$ignore_vfeed_group && get_pref('VFEED_GROUP_BY_FEED', $owner_uid)) {
2531 if (!$override_order) {
2532 $order_by = "ttrss_feeds.title, $order_by";
2533 } else {
2534 $order_by = "ttrss_feeds.title, $override_order";
2535 }
2536 }
2537
2538 if (!$allow_archived) {
2539 $from_qpart = "ttrss_entries,ttrss_user_entries,ttrss_feeds$ext_tables_part";
2540 $feed_check_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
2541
2542 } else {
2543 $from_qpart = "ttrss_entries$ext_tables_part,ttrss_user_entries
2544 LEFT JOIN ttrss_feeds ON (feed_id = ttrss_feeds.id)";
2545 }
2546
2547 if ($vfeed_query_part)
2548 $vfeed_query_part .= "favicon_avg_color,";
2549
2550 $query = "SELECT DISTINCT
2551 date_entered,
2552 guid,
2553 ttrss_entries.id,ttrss_entries.title,
2554 updated,
2555 label_cache,
2556 tag_cache,
2557 always_display_enclosures,
2558 site_url,
2559 note,
2560 num_comments,
2561 comments,
2562 int_id,
2563 hide_images,
2564 unread,feed_id,marked,published,link,last_read,orig_feed_id,
2565 last_marked, last_published,
2566 $vfeed_query_part
2567 $content_query_part
2568 author,score
2569 FROM
2570 $from_qpart
2571 WHERE
2572 $feed_check_qpart
2573 ttrss_user_entries.ref_id = ttrss_entries.id AND
2574 ttrss_user_entries.owner_uid = '$owner_uid' AND
2575 $search_query_part
2576 $filter_query_part
2577 $view_query_part
2578 $since_id_part
2579 $query_strategy_part ORDER BY $order_by
2580 $limit_query_part $offset_query_part";
2581
2582 if ($_REQUEST["debug"]) print $query;
2583
2584 $result = db_query($query);
2585
2586 } else {
2587 // browsing by tag
2588
2589 $select_qpart = "SELECT DISTINCT " .
2590 "date_entered," .
2591 "guid," .
2592 "note," .
2593 "ttrss_entries.id as id," .
2594 "title," .
2595 "updated," .
2596 "unread," .
2597 "feed_id," .
2598 "orig_feed_id," .
2599 "marked," .
2600 "num_comments, " .
2601 "comments, " .
2602 "tag_cache," .
2603 "label_cache," .
2604 "link," .
2605 "last_read," .
2606 "(SELECT hide_images FROM ttrss_feeds WHERE id = feed_id) AS hide_images," .
2607 "last_marked, last_published, " .
2608 $since_id_part .
2609 $vfeed_query_part .
2610 $content_query_part .
2611 "score ";
2612
2613 $feed_kind = "Tags";
2614 $all_tags = explode(",", $feed);
2615 if ($search_mode == 'any') {
2616 $tag_sql = "tag_name in (" . implode(", ", array_map("db_quote", $all_tags)) . ")";
2617 $from_qpart = " FROM ttrss_entries,ttrss_user_entries,ttrss_tags ";
2618 $where_qpart = " WHERE " .
2619 "ref_id = ttrss_entries.id AND " .
2620 "ttrss_user_entries.owner_uid = $owner_uid AND " .
2621 "post_int_id = int_id AND $tag_sql AND " .
2622 $view_query_part .
2623 $search_query_part .
2624 $query_strategy_part . " ORDER BY $order_by " .
2625 $limit_query_part;
2626
2627 } else {
2628 $i = 1;
2629 $sub_selects = array();
2630 $sub_ands = array();
2631 foreach ($all_tags as $term) {
2632 array_push($sub_selects, "(SELECT post_int_id from ttrss_tags WHERE tag_name = " . db_quote($term) . " AND owner_uid = $owner_uid) as A$i");
2633 $i++;
2634 }
2635 if ($i > 2) {
2636 $x = 1;
2637 $y = 2;
2638 do {
2639 array_push($sub_ands, "A$x.post_int_id = A$y.post_int_id");
2640 $x++;
2641 $y++;
2642 } while ($y < $i);
2643 }
2644 array_push($sub_ands, "A1.post_int_id = ttrss_user_entries.int_id and ttrss_user_entries.owner_uid = $owner_uid");
2645 array_push($sub_ands, "ttrss_user_entries.ref_id = ttrss_entries.id");
2646 $from_qpart = " FROM " . implode(", ", $sub_selects) . ", ttrss_user_entries, ttrss_entries";
2647 $where_qpart = " WHERE " . implode(" AND ", $sub_ands);
2648 }
2649 // error_log("TAG SQL: " . $tag_sql);
2650 // $tag_sql = "tag_name = '$feed'"; DEFAULT way
2651
2652 // error_log("[". $select_qpart . "][" . $from_qpart . "][" .$where_qpart . "]");
2653 $result = db_query($select_qpart . $from_qpart . $where_qpart);
2654 }
2655
2656 return array($result, $feed_title, $feed_site_url, $last_error);
2657
2658 }
2659
2660 function sanitize($str, $force_remove_images = false, $owner = false, $site_url = false) {
2661 if (!$owner) $owner = $_SESSION["uid"];
2662
2663 $res = trim($str); if (!$res) return '';
2664
2665 if (strpos($res, "href=") === false)
2666 $res = rewrite_urls($res);
2667
2668 $charset_hack = '<head>
2669 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
2670 </head>';
2671
2672 $res = trim($res); if (!$res) return '';
2673
2674 libxml_use_internal_errors(true);
2675
2676 $doc = new DOMDocument();
2677 $doc->loadHTML($charset_hack . $res);
2678 $xpath = new DOMXPath($doc);
2679
2680 $entries = $xpath->query('(//a[@href]|//img[@src])');
2681
2682 foreach ($entries as $entry) {
2683
2684 if ($site_url) {
2685
2686 if ($entry->hasAttribute('href'))
2687 $entry->setAttribute('href',
2688 rewrite_relative_url($site_url, $entry->getAttribute('href')));
2689
2690 if ($entry->hasAttribute('src')) {
2691 $src = rewrite_relative_url($site_url, $entry->getAttribute('src'));
2692
2693 $cached_filename = CACHE_DIR . '/images/' . sha1($src) . '.png';
2694
2695 if (file_exists($cached_filename)) {
2696 $src = SELF_URL_PATH . '/image.php?hash=' . sha1($src);
2697 }
2698
2699 $entry->setAttribute('src', $src);
2700 }
2701
2702 if ($entry->nodeName == 'img') {
2703 if (($owner && get_pref("STRIP_IMAGES", $owner)) ||
2704 $force_remove_images || $_SESSION["bw_limit"]) {
2705
2706 $p = $doc->createElement('p');
2707
2708 $a = $doc->createElement('a');
2709 $a->setAttribute('href', $entry->getAttribute('src'));
2710
2711 $a->appendChild(new DOMText($entry->getAttribute('src')));
2712 $a->setAttribute('target', '_blank');
2713
2714 $p->appendChild($a);
2715
2716 $entry->parentNode->replaceChild($p, $entry);
2717 }
2718 }
2719 }
2720
2721 if (strtolower($entry->nodeName) == "a") {
2722 $entry->setAttribute("target", "_blank");
2723 }
2724 }
2725
2726 $entries = $xpath->query('//iframe');
2727 foreach ($entries as $entry) {
2728 $entry->setAttribute('sandbox', 'allow-scripts');
2729
2730 }
2731
2732 $allowed_elements = array('a', 'address', 'audio', 'article', 'aside',
2733 'b', 'bdi', 'bdo', 'big', 'blockquote', 'body', 'br',
2734 'caption', 'cite', 'center', 'code', 'col', 'colgroup',
2735 'data', 'dd', 'del', 'details', 'div', 'dl', 'font',
2736 'dt', 'em', 'footer', 'figure', 'figcaption',
2737 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'header', 'html', 'i',
2738 'img', 'ins', 'kbd', 'li', 'main', 'mark', 'nav', 'noscript',
2739 'ol', 'p', 'pre', 'q', 'ruby', 'rp', 'rt', 's', 'samp', 'section',
2740 'small', 'source', 'span', 'strike', 'strong', 'sub', 'summary',
2741 'sup', 'table', 'tbody', 'td', 'tfoot', 'th', 'thead', 'time',
2742 'tr', 'track', 'tt', 'u', 'ul', 'var', 'wbr', 'video' );
2743
2744 if ($_SESSION['hasSandbox']) $allowed_elements[] = 'iframe';
2745
2746 $disallowed_attributes = array('id', 'style', 'class');
2747
2748 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_SANITIZE) as $plugin) {
2749 $retval = $plugin->hook_sanitize($doc, $site_url, $allowed_elements, $disallowed_attributes);
2750 if (is_array($retval)) {
2751 $doc = $retval[0];
2752 $allowed_elements = $retval[1];
2753 $disallowed_attributes = $retval[2];
2754 } else {
2755 $doc = $retval;
2756 }
2757 }
2758
2759 $doc->removeChild($doc->firstChild); //remove doctype
2760 $doc = strip_harmful_tags($doc, $allowed_elements, $disallowed_attributes);
2761 $res = $doc->saveHTML();
2762 return $res;
2763 }
2764
2765 function strip_harmful_tags($doc, $allowed_elements, $disallowed_attributes) {
2766 $entries = $doc->getElementsByTagName("*");
2767
2768 foreach ($entries as $entry) {
2769 if (!in_array($entry->nodeName, $allowed_elements)) {
2770 $entry->parentNode->removeChild($entry);
2771 }
2772
2773 if ($entry->hasAttributes()) {
2774 $attrs_to_remove = array();
2775
2776 foreach ($entry->attributes as $attr) {
2777
2778 if (strpos($attr->nodeName, 'on') === 0) {
2779 array_push($attrs_to_remove, $attr);
2780 }
2781
2782 if (in_array($attr->nodeName, $disallowed_attributes)) {
2783 array_push($attrs_to_remove, $attr);
2784 }
2785 }
2786
2787 foreach ($attrs_to_remove as $attr) {
2788 $entry->removeAttributeNode($attr);
2789 }
2790 }
2791 }
2792
2793 return $doc;
2794 }
2795
2796 function check_for_update() {
2797 if (CHECK_FOR_NEW_VERSION && $_SESSION['access_level'] >= 10) {
2798 $version_url = "http://tt-rss.org/version.php?ver=" . VERSION .
2799 "&iid=" . sha1(SELF_URL_PATH);
2800
2801 $version_data = @fetch_file_contents($version_url);
2802
2803 if ($version_data) {
2804 $version_data = json_decode($version_data, true);
2805 if ($version_data && $version_data['version']) {
2806
2807 if (version_compare(VERSION, $version_data['version']) == -1) {
2808 return $version_data;
2809 }
2810 }
2811 }
2812 }
2813 return false;
2814 }
2815
2816 function catchupArticlesById($ids, $cmode, $owner_uid = false) {
2817
2818 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2819 if (count($ids) == 0) return;
2820
2821 $tmp_ids = array();
2822
2823 foreach ($ids as $id) {
2824 array_push($tmp_ids, "ref_id = '$id'");
2825 }
2826
2827 $ids_qpart = join(" OR ", $tmp_ids);
2828
2829 if ($cmode == 0) {
2830 db_query("UPDATE ttrss_user_entries SET
2831 unread = false,last_read = NOW()
2832 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
2833 } else if ($cmode == 1) {
2834 db_query("UPDATE ttrss_user_entries SET
2835 unread = true
2836 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
2837 } else {
2838 db_query("UPDATE ttrss_user_entries SET
2839 unread = NOT unread,last_read = NOW()
2840 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
2841 }
2842
2843 /* update ccache */
2844
2845 $result = db_query("SELECT DISTINCT feed_id FROM ttrss_user_entries
2846 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
2847
2848 while ($line = db_fetch_assoc($result)) {
2849 ccache_update($line["feed_id"], $owner_uid);
2850 }
2851 }
2852
2853 function get_article_tags($id, $owner_uid = 0, $tag_cache = false) {
2854
2855 $a_id = db_escape_string($id);
2856
2857 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2858
2859 $query = "SELECT DISTINCT tag_name,
2860 owner_uid as owner FROM
2861 ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
2862 ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name";
2863
2864 $obj_id = md5("TAGS:$owner_uid:$id");
2865 $tags = array();
2866
2867 /* check cache first */
2868
2869 if ($tag_cache === false) {
2870 $result = db_query("SELECT tag_cache FROM ttrss_user_entries
2871 WHERE ref_id = '$id' AND owner_uid = $owner_uid");
2872
2873 $tag_cache = db_fetch_result($result, 0, "tag_cache");
2874 }
2875
2876 if ($tag_cache) {
2877 $tags = explode(",", $tag_cache);
2878 } else {
2879
2880 /* do it the hard way */
2881
2882 $tmp_result = db_query($query);
2883
2884 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2885 array_push($tags, $tmp_line["tag_name"]);
2886 }
2887
2888 /* update the cache */
2889
2890 $tags_str = db_escape_string(join(",", $tags));
2891
2892 db_query("UPDATE ttrss_user_entries
2893 SET tag_cache = '$tags_str' WHERE ref_id = '$id'
2894 AND owner_uid = $owner_uid");
2895 }
2896
2897 return $tags;
2898 }
2899
2900 function trim_array($array) {
2901 $tmp = $array;
2902 array_walk($tmp, 'trim');
2903 return $tmp;
2904 }
2905
2906 function tag_is_valid($tag) {
2907 if ($tag == '') return false;
2908 if (preg_match("/^[0-9]*$/", $tag)) return false;
2909 if (mb_strlen($tag) > 250) return false;
2910
2911 if (function_exists('iconv')) {
2912 $tag = iconv("utf-8", "utf-8", $tag);
2913 }
2914
2915 if (!$tag) return false;
2916
2917 return true;
2918 }
2919
2920 function render_login_form() {
2921 header('Cache-Control: public');
2922
2923 require_once "login_form.php";
2924 exit;
2925 }
2926
2927 function format_warning($msg, $id = "") {
2928 global $link;
2929 return "<div class=\"warning\" id=\"$id\">
2930 <span><img src=\"images/sign_excl.svg\"></span><span>$msg</span></div>";
2931 }
2932
2933 function format_notice($msg, $id = "") {
2934 global $link;
2935 return "<div class=\"notice\" id=\"$id\">
2936 <span><img src=\"images/sign_info.svg\"></span><span>$msg</span></div>";
2937 }
2938
2939 function format_error($msg, $id = "") {
2940 global $link;
2941 return "<div class=\"error\" id=\"$id\">
2942 <span><img src=\"images/sign_excl.svg\"></span><span>$msg</span></div>";
2943 }
2944
2945 function print_notice($msg) {
2946 return print format_notice($msg);
2947 }
2948
2949 function print_warning($msg) {
2950 return print format_warning($msg);
2951 }
2952
2953 function print_error($msg) {
2954 return print format_error($msg);
2955 }
2956
2957
2958 function T_sprintf() {
2959 $args = func_get_args();
2960 return vsprintf(__(array_shift($args)), $args);
2961 }
2962
2963 function format_inline_player($url, $ctype) {
2964
2965 $entry = "";
2966
2967 $url = htmlspecialchars($url);
2968
2969 if (strpos($ctype, "audio/") === 0) {
2970
2971 if ($_SESSION["hasAudio"] && (strpos($ctype, "ogg") !== false ||
2972 $_SESSION["hasMp3"])) {
2973
2974 $entry .= "<audio controls>
2975 <source type=\"$ctype\" src=\"$url\"></source>
2976 </audio>";
2977
2978 } else {
2979
2980 $entry .= "<object type=\"application/x-shockwave-flash\"
2981 data=\"lib/button/musicplayer.swf?song_url=$url\"
2982 width=\"17\" height=\"17\" style='float : left; margin-right : 5px;'>
2983 <param name=\"movie\"
2984 value=\"lib/button/musicplayer.swf?song_url=$url\" />
2985 </object>";
2986 }
2987
2988 if ($entry) $entry .= "&nbsp; <a target=\"_blank\"
2989 href=\"$url\">" . basename($url) . "</a>";
2990
2991 return $entry;
2992
2993 }
2994
2995 return "";
2996
2997 /* $filename = substr($url, strrpos($url, "/")+1);
2998
2999 $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
3000 $filename . " (" . $ctype . ")" . "</a>"; */
3001
3002 }
3003
3004 function format_article($id, $mark_as_read = true, $zoom_mode = false, $owner_uid = false) {
3005 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3006
3007 $rv = array();
3008
3009 $rv['id'] = $id;
3010
3011 /* we can figure out feed_id from article id anyway, why do we
3012 * pass feed_id here? let's ignore the argument :(*/
3013
3014 $result = db_query("SELECT feed_id FROM ttrss_user_entries
3015 WHERE ref_id = '$id'");
3016
3017 $feed_id = (int) db_fetch_result($result, 0, "feed_id");
3018
3019 $rv['feed_id'] = $feed_id;
3020
3021 //if (!$zoom_mode) { print "<article id='$id'><![CDATA["; };
3022
3023 if ($mark_as_read) {
3024 $result = db_query("UPDATE ttrss_user_entries
3025 SET unread = false,last_read = NOW()
3026 WHERE ref_id = '$id' AND owner_uid = $owner_uid");
3027
3028 ccache_update($feed_id, $owner_uid);
3029 }
3030
3031 $result = db_query("SELECT id,title,link,content,feed_id,comments,int_id,
3032 ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
3033 (SELECT site_url FROM ttrss_feeds WHERE id = feed_id) as site_url,
3034 (SELECT hide_images FROM ttrss_feeds WHERE id = feed_id) as hide_images,
3035 (SELECT always_display_enclosures FROM ttrss_feeds WHERE id = feed_id) as always_display_enclosures,
3036 num_comments,
3037 tag_cache,
3038 author,
3039 orig_feed_id,
3040 note,
3041 cached_content
3042 FROM ttrss_entries,ttrss_user_entries
3043 WHERE id = '$id' AND ref_id = id AND owner_uid = $owner_uid");
3044
3045 if ($result) {
3046
3047 $line = db_fetch_assoc($result);
3048
3049 $tag_cache = $line["tag_cache"];
3050
3051 $line["tags"] = get_article_tags($id, $owner_uid, $line["tag_cache"]);
3052 unset($line["tag_cache"]);
3053
3054 $line["content"] = sanitize($line["content"], false, $owner_uid, $line["site_url"]);
3055
3056 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ARTICLE) as $p) {
3057 $line = $p->hook_render_article($line);
3058 }
3059
3060 $num_comments = $line["num_comments"];
3061 $entry_comments = "";
3062
3063 if ($num_comments > 0) {
3064 if ($line["comments"]) {
3065 $comments_url = htmlspecialchars($line["comments"]);
3066 } else {
3067 $comments_url = htmlspecialchars($line["link"]);
3068 }
3069 $entry_comments = "<a target='_blank' href=\"$comments_url\">$num_comments comments</a>";
3070 } else {
3071 if ($line["comments"] && $line["link"] != $line["comments"]) {
3072 $entry_comments = "<a target='_blank' href=\"".htmlspecialchars($line["comments"])."\">comments</a>";
3073 }
3074 }
3075
3076 if ($zoom_mode) {
3077 header("Content-Type: text/html");
3078 $rv['content'] .= "<html><head>
3079 <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
3080 <title>Tiny Tiny RSS - ".$line["title"]."</title>
3081 <link rel=\"stylesheet\" type=\"text/css\" href=\"tt-rss.css\">
3082 </head><body id=\"ttrssZoom\">";
3083 }
3084
3085 $rv['content'] .= "<div class=\"postReply\" id=\"POST-$id\">";
3086
3087 $rv['content'] .= "<div class=\"postHeader\" id=\"POSTHDR-$id\">";
3088
3089 $entry_author = $line["author"];
3090
3091 if ($entry_author) {
3092 $entry_author = __(" - ") . $entry_author;
3093 }
3094
3095 $parsed_updated = make_local_datetime($line["updated"], true,
3096 $owner_uid, true);
3097
3098 $rv['content'] .= "<div class=\"postDate\">$parsed_updated</div>";
3099
3100 if ($line["link"]) {
3101 $rv['content'] .= "<div class='postTitle'><a target='_blank'
3102 title=\"".htmlspecialchars($line['title'])."\"
3103 href=\"" .
3104 htmlspecialchars($line["link"]) . "\">" .
3105 $line["title"] . "</a>" .
3106 "<span class='author'>$entry_author</span></div>";
3107 } else {
3108 $rv['content'] .= "<div class='postTitle'>" . $line["title"] . "$entry_author</div>";
3109 }
3110
3111 $tags_str = format_tags_string($line["tags"], $id);
3112 $tags_str_full = join(", ", $line["tags"]);
3113
3114 if (!$tags_str_full) $tags_str_full = __("no tags");
3115
3116 if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
3117
3118 $rv['content'] .= "<div class='postTags' style='float : right'>
3119 <img src='images/tag.png'
3120 class='tagsPic' alt='Tags' title='Tags'>&nbsp;";
3121
3122 if (!$zoom_mode) {
3123 $rv['content'] .= "<span id=\"ATSTR-$id\">$tags_str</span>
3124 <a title=\"".__('Edit tags for this article')."\"
3125 href=\"#\" onclick=\"editArticleTags($id, $feed_id)\">(+)</a>";
3126
3127 $rv['content'] .= "<div dojoType=\"dijit.Tooltip\"
3128 id=\"ATSTRTIP-$id\" connectId=\"ATSTR-$id\"
3129 position=\"below\">$tags_str_full</div>";
3130
3131 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_ARTICLE_BUTTON) as $p) {
3132 $rv['content'] .= $p->hook_article_button($line);
3133 }
3134
3135 } else {
3136 $tags_str = strip_tags($tags_str);
3137 $rv['content'] .= "<span id=\"ATSTR-$id\">$tags_str</span>";
3138 }
3139 $rv['content'] .= "</div>";
3140 $rv['content'] .= "<div clear='both'>";
3141
3142 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_ARTICLE_LEFT_BUTTON) as $p) {
3143 $rv['content'] .= $p->hook_article_left_button($line);
3144 }
3145
3146 $rv['content'] .= "$entry_comments</div>";
3147
3148 if ($line["orig_feed_id"]) {
3149
3150 $tmp_result = db_query("SELECT * FROM ttrss_archived_feeds
3151 WHERE id = ".$line["orig_feed_id"]);
3152
3153 if (db_num_rows($tmp_result) != 0) {
3154
3155 $rv['content'] .= "<div clear='both'>";
3156 $rv['content'] .= __("Originally from:");
3157
3158 $rv['content'] .= "&nbsp;";
3159
3160 $tmp_line = db_fetch_assoc($tmp_result);
3161
3162 $rv['content'] .= "<a target='_blank'
3163 href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
3164 $tmp_line['title'] . "</a>";
3165
3166 $rv['content'] .= "&nbsp;";
3167
3168 $rv['content'] .= "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
3169 $rv['content'] .= "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.svg'></a>";
3170
3171 $rv['content'] .= "</div>";
3172 }
3173 }
3174
3175 $rv['content'] .= "</div>";
3176
3177 $rv['content'] .= "<div id=\"POSTNOTE-$id\">";
3178 if ($line['note']) {
3179 $rv['content'] .= format_article_note($id, $line['note'], !$zoom_mode);
3180 }
3181 $rv['content'] .= "</div>";
3182
3183 $rv['content'] .= "<div class=\"postContent\">";
3184
3185 $rv['content'] .= $line["content"];
3186 $rv['content'] .= format_article_enclosures($id,
3187 sql_bool_to_bool($line["always_display_enclosures"]),
3188 $line["content"],
3189 sql_bool_to_bool($line["hide_images"]));
3190
3191 $rv['content'] .= "</div>";
3192
3193 $rv['content'] .= "</div>";
3194
3195 }
3196
3197 if ($zoom_mode) {
3198 $rv['content'] .= "
3199 <div class='footer'>
3200 <button onclick=\"return window.close()\">".
3201 __("Close this window")."</button></div>";
3202 $rv['content'] .= "</body></html>";
3203 }
3204
3205 return $rv;
3206
3207 }
3208
3209 function print_checkpoint($n, $s) {
3210 $ts = microtime(true);
3211 echo sprintf("<!-- CP[$n] %.4f seconds -->", $ts - $s);
3212 return $ts;
3213 }
3214
3215 function sanitize_tag($tag) {
3216 $tag = trim($tag);
3217
3218 $tag = mb_strtolower($tag, 'utf-8');
3219
3220 $tag = preg_replace('/[\'\"\+\>\<]/', "", $tag);
3221
3222 // $tag = str_replace('"', "", $tag);
3223 // $tag = str_replace("+", " ", $tag);
3224 $tag = str_replace("technorati tag: ", "", $tag);
3225
3226 return $tag;
3227 }
3228
3229 function get_self_url_prefix() {
3230 if (strrpos(SELF_URL_PATH, "/") === strlen(SELF_URL_PATH)-1) {
3231 return substr(SELF_URL_PATH, 0, strlen(SELF_URL_PATH)-1);
3232 } else {
3233 return SELF_URL_PATH;
3234 }
3235 }
3236
3237 /**
3238 * Compute the Mozilla Firefox feed adding URL from server HOST and REQUEST_URI.
3239 *
3240 * @return string The Mozilla Firefox feed adding URL.
3241 */
3242 function add_feed_url() {
3243 //$url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' : 'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
3244
3245 $url_path = get_self_url_prefix() .
3246 "/public.php?op=subscribe&feed_url=%s";
3247 return $url_path;
3248 } // function add_feed_url
3249
3250 function encrypt_password($pass, $salt = '', $mode2 = false) {
3251 if ($salt && $mode2) {
3252 return "MODE2:" . hash('sha256', $salt . $pass);
3253 } else if ($salt) {
3254 return "SHA1X:" . sha1("$salt:$pass");
3255 } else {
3256 return "SHA1:" . sha1($pass);
3257 }
3258 } // function encrypt_password
3259
3260 function load_filters($feed_id, $owner_uid, $action_id = false) {
3261 $filters = array();
3262
3263 $cat_id = (int)getFeedCategory($feed_id);
3264
3265 $result = db_query("SELECT * FROM ttrss_filters2 WHERE
3266 owner_uid = $owner_uid AND enabled = true ORDER BY order_id, title");
3267
3268 $check_cats = join(",", array_merge(
3269 getParentCategories($cat_id, $owner_uid),
3270 array($cat_id)));
3271
3272 while ($line = db_fetch_assoc($result)) {
3273 $filter_id = $line["id"];
3274
3275 $result2 = db_query("SELECT
3276 r.reg_exp, r.inverse, r.feed_id, r.cat_id, r.cat_filter, t.name AS type_name
3277 FROM ttrss_filters2_rules AS r,
3278 ttrss_filter_types AS t
3279 WHERE
3280 (cat_id IS NULL OR cat_id IN ($check_cats)) AND
3281 (feed_id IS NULL OR feed_id = '$feed_id') AND
3282 filter_type = t.id AND filter_id = '$filter_id'");
3283
3284 $rules = array();
3285 $actions = array();
3286
3287 while ($rule_line = db_fetch_assoc($result2)) {
3288 # print_r($rule_line);
3289
3290 $rule = array();
3291 $rule["reg_exp"] = $rule_line["reg_exp"];
3292 $rule["type"] = $rule_line["type_name"];
3293 $rule["inverse"] = sql_bool_to_bool($rule_line["inverse"]);
3294
3295 array_push($rules, $rule);
3296 }
3297
3298 $result2 = db_query("SELECT a.action_param,t.name AS type_name
3299 FROM ttrss_filters2_actions AS a,
3300 ttrss_filter_actions AS t
3301 WHERE
3302 action_id = t.id AND filter_id = '$filter_id'");
3303
3304 while ($action_line = db_fetch_assoc($result2)) {
3305 # print_r($action_line);
3306
3307 $action = array();
3308 $action["type"] = $action_line["type_name"];
3309 $action["param"] = $action_line["action_param"];
3310
3311 array_push($actions, $action);
3312 }
3313
3314
3315 $filter = array();
3316 $filter["match_any_rule"] = sql_bool_to_bool($line["match_any_rule"]);
3317 $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
3318 $filter["rules"] = $rules;
3319 $filter["actions"] = $actions;
3320
3321 if (count($rules) > 0 && count($actions) > 0) {
3322 array_push($filters, $filter);
3323 }
3324 }
3325
3326 return $filters;
3327 }
3328
3329 function get_score_pic($score) {
3330 if ($score > 100) {
3331 return "score_high.png";
3332 } else if ($score > 0) {
3333 return "score_half_high.png";
3334 } else if ($score < -100) {
3335 return "score_low.png";
3336 } else if ($score < 0) {
3337 return "score_half_low.png";
3338 } else {
3339 return "score_neutral.png";
3340 }
3341 }
3342
3343 function feed_has_icon($id) {
3344 return is_file(ICONS_DIR . "/$id.ico") && filesize(ICONS_DIR . "/$id.ico") > 0;
3345 }
3346
3347 function init_plugins() {
3348 PluginHost::getInstance()->load(PLUGINS, PluginHost::KIND_ALL);
3349
3350 return true;
3351 }
3352
3353 function format_tags_string($tags, $id) {
3354
3355 $tags_str = "";
3356 $tags_nolinks_str = "";
3357
3358 $num_tags = 0;
3359
3360 $tag_limit = 6;
3361
3362 $formatted_tags = array();
3363
3364 foreach ($tags as $tag) {
3365 $num_tags++;
3366 $tag_escaped = str_replace("'", "\\'", $tag);
3367
3368 if (mb_strlen($tag) > 30) {
3369 $tag = truncate_string($tag, 30);
3370 }
3371
3372 $tag_str = "<a href=\"javascript:viewfeed('$tag_escaped')\">$tag</a>";
3373
3374 array_push($formatted_tags, $tag_str);
3375
3376 $tmp_tags_str = implode(", ", $formatted_tags);
3377
3378 if ($num_tags == $tag_limit || mb_strlen($tmp_tags_str) > 150) {
3379 break;
3380 }
3381 }
3382
3383 $tags_str = implode(", ", $formatted_tags);
3384
3385 if ($num_tags < count($tags)) {
3386 $tags_str .= ", &hellip;";
3387 }
3388
3389 if ($num_tags == 0) {
3390 $tags_str = __("no tags");
3391 }
3392
3393 return $tags_str;
3394
3395 }
3396
3397 function format_article_labels($labels, $id) {
3398
3399 if (is_array($labels)) return '';
3400
3401 $labels_str = "";
3402
3403 foreach ($labels as $l) {
3404 $labels_str .= sprintf("<span class='hlLabelRef'
3405 style='color : %s; background-color : %s'>%s</span>",
3406 $l[2], $l[3], $l[1]);
3407 }
3408
3409 return $labels_str;
3410
3411 }
3412
3413 function format_article_note($id, $note, $allow_edit = true) {
3414
3415 $str = "<div class='articleNote' onclick=\"editArticleNote($id)\">
3416 <div class='noteEdit' onclick=\"editArticleNote($id)\">".
3417 ($allow_edit ? __('(edit note)') : "")."</div>$note</div>";
3418
3419 return $str;
3420 }
3421
3422
3423 function get_feed_category($feed_cat, $parent_cat_id = false) {
3424 if ($parent_cat_id) {
3425 $parent_qpart = "parent_cat = '$parent_cat_id'";
3426 $parent_insert = "'$parent_cat_id'";
3427 } else {
3428 $parent_qpart = "parent_cat IS NULL";
3429 $parent_insert = "NULL";
3430 }
3431
3432 $result = db_query(
3433 "SELECT id FROM ttrss_feed_categories
3434 WHERE $parent_qpart AND title = '$feed_cat' AND owner_uid = ".$_SESSION["uid"]);
3435
3436 if (db_num_rows($result) == 0) {
3437 return false;
3438 } else {
3439 return db_fetch_result($result, 0, "id");
3440 }
3441 }
3442
3443 function add_feed_category($feed_cat, $parent_cat_id = false) {
3444
3445 if (!$feed_cat) return false;
3446
3447 db_query("BEGIN");
3448
3449 if ($parent_cat_id) {
3450 $parent_qpart = "parent_cat = '$parent_cat_id'";
3451 $parent_insert = "'$parent_cat_id'";
3452 } else {
3453 $parent_qpart = "parent_cat IS NULL";
3454 $parent_insert = "NULL";
3455 }
3456
3457 $feed_cat = mb_substr($feed_cat, 0, 250);
3458
3459 $result = db_query(
3460 "SELECT id FROM ttrss_feed_categories
3461 WHERE $parent_qpart AND title = '$feed_cat' AND owner_uid = ".$_SESSION["uid"]);
3462
3463 if (db_num_rows($result) == 0) {
3464
3465 $result = db_query(
3466 "INSERT INTO ttrss_feed_categories (owner_uid,title,parent_cat)
3467 VALUES ('".$_SESSION["uid"]."', '$feed_cat', $parent_insert)");
3468
3469 db_query("COMMIT");
3470
3471 return true;
3472 }
3473
3474 return false;
3475 }
3476
3477 function getArticleFeed($id) {
3478 $result = db_query("SELECT feed_id FROM ttrss_user_entries
3479 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3480
3481 if (db_num_rows($result) != 0) {
3482 return db_fetch_result($result, 0, "feed_id");
3483 } else {
3484 return 0;
3485 }
3486 }
3487
3488 /**
3489 * Fixes incomplete URLs by prepending "http://".
3490 * Also replaces feed:// with http://, and
3491 * prepends a trailing slash if the url is a domain name only.
3492 *
3493 * @param string $url Possibly incomplete URL
3494 *
3495 * @return string Fixed URL.
3496 */
3497 function fix_url($url) {
3498 if (strpos($url, '://') === false) {
3499 $url = 'http://' . $url;
3500 } else if (substr($url, 0, 5) == 'feed:') {
3501 $url = 'http:' . substr($url, 5);
3502 }
3503
3504 //prepend slash if the URL has no slash in it
3505 // "http://www.example" -> "http://www.example/"
3506 if (strpos($url, '/', strpos($url, ':') + 3) === false) {
3507 $url .= '/';
3508 }
3509
3510 if ($url != "http:///")
3511 return $url;
3512 else
3513 return '';
3514 }
3515
3516 function validate_feed_url($url) {
3517 $parts = parse_url($url);
3518
3519 return ($parts['scheme'] == 'http' || $parts['scheme'] == 'feed' || $parts['scheme'] == 'https');
3520
3521 }
3522
3523 function get_article_enclosures($id) {
3524
3525 $query = "SELECT * FROM ttrss_enclosures
3526 WHERE post_id = '$id' AND content_url != ''";
3527
3528 $rv = array();
3529
3530 $result = db_query($query);
3531
3532 if (db_num_rows($result) > 0) {
3533 while ($line = db_fetch_assoc($result)) {
3534 array_push($rv, $line);
3535 }
3536 }
3537
3538 return $rv;
3539 }
3540
3541 function save_email_address($email) {
3542 // FIXME: implement persistent storage of emails
3543
3544 if (!$_SESSION['stored_emails'])
3545 $_SESSION['stored_emails'] = array();
3546
3547 if (!in_array($email, $_SESSION['stored_emails']))
3548 array_push($_SESSION['stored_emails'], $email);
3549 }
3550
3551
3552 function get_feed_access_key($feed_id, $is_cat, $owner_uid = false) {
3553
3554 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3555
3556 $sql_is_cat = bool_to_sql_bool($is_cat);
3557
3558 $result = db_query("SELECT access_key FROM ttrss_access_keys
3559 WHERE feed_id = '$feed_id' AND is_cat = $sql_is_cat
3560 AND owner_uid = " . $owner_uid);
3561
3562 if (db_num_rows($result) == 1) {
3563 return db_fetch_result($result, 0, "access_key");
3564 } else {
3565 $key = db_escape_string(sha1(uniqid(rand(), true)));
3566
3567 $result = db_query("INSERT INTO ttrss_access_keys
3568 (access_key, feed_id, is_cat, owner_uid)
3569 VALUES ('$key', '$feed_id', $sql_is_cat, '$owner_uid')");
3570
3571 return $key;
3572 }
3573 return false;
3574 }
3575
3576 function get_feeds_from_html($url, $content)
3577 {
3578 $url = fix_url($url);
3579 $baseUrl = substr($url, 0, strrpos($url, '/') + 1);
3580
3581 libxml_use_internal_errors(true);
3582
3583 $doc = new DOMDocument();
3584 $doc->loadHTML($content);
3585 $xpath = new DOMXPath($doc);
3586 $entries = $xpath->query('/html/head/link[@rel="alternate"]');
3587 $feedUrls = array();
3588 foreach ($entries as $entry) {
3589 if ($entry->hasAttribute('href')) {
3590 $title = $entry->getAttribute('title');
3591 if ($title == '') {
3592 $title = $entry->getAttribute('type');
3593 }
3594 $feedUrl = rewrite_relative_url(
3595 $baseUrl, $entry->getAttribute('href')
3596 );
3597 $feedUrls[$feedUrl] = $title;
3598 }
3599 }
3600 return $feedUrls;
3601 }
3602
3603 function is_html($content) {
3604 return preg_match("/<html|DOCTYPE html/i", substr($content, 0, 20)) !== 0;
3605 }
3606
3607 function url_is_html($url, $login = false, $pass = false) {
3608 return is_html(fetch_file_contents($url, false, $login, $pass));
3609 }
3610
3611 function print_label_select($name, $value, $attributes = "") {
3612
3613 $result = db_query("SELECT caption FROM ttrss_labels2
3614 WHERE owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
3615
3616 print "<select default=\"$value\" name=\"" . htmlspecialchars($name) .
3617 "\" $attributes onchange=\"labelSelectOnChange(this)\" >";
3618
3619 while ($line = db_fetch_assoc($result)) {
3620
3621 $issel = ($line["caption"] == $value) ? "selected=\"1\"" : "";
3622
3623 print "<option value=\"".htmlspecialchars($line["caption"])."\"
3624 $issel>" . htmlspecialchars($line["caption"]) . "</option>";
3625
3626 }
3627
3628 # print "<option value=\"ADD_LABEL\">" .__("Add label...") . "</option>";
3629
3630 print "</select>";
3631
3632
3633 }
3634
3635 function format_article_enclosures($id, $always_display_enclosures,
3636 $article_content, $hide_images = false) {
3637
3638 $result = get_article_enclosures($id);
3639 $rv = '';
3640
3641 if (count($result) > 0) {
3642
3643 $entries_html = array();
3644 $entries = array();
3645 $entries_inline = array();
3646
3647 foreach ($result as $line) {
3648
3649 $url = $line["content_url"];
3650 $ctype = $line["content_type"];
3651
3652 if (!$ctype) $ctype = __("unknown type");
3653
3654 $filename = substr($url, strrpos($url, "/")+1);
3655
3656 $player = format_inline_player($url, $ctype);
3657
3658 if ($player) array_push($entries_inline, $player);
3659
3660 # $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
3661 # $filename . " (" . $ctype . ")" . "</a>";
3662
3663 $entry = "<div onclick=\"window.open('".htmlspecialchars($url)."')\"
3664 dojoType=\"dijit.MenuItem\">$filename ($ctype)</div>";
3665
3666 array_push($entries_html, $entry);
3667
3668 $entry = array();
3669
3670 $entry["type"] = $ctype;
3671 $entry["filename"] = $filename;
3672 $entry["url"] = $url;
3673
3674 array_push($entries, $entry);
3675 }
3676
3677 if ($_SESSION['uid'] && !get_pref("STRIP_IMAGES") && !$_SESSION["bw_limit"]) {
3678 if ($always_display_enclosures ||
3679 !preg_match("/<img/i", $article_content)) {
3680
3681 foreach ($entries as $entry) {
3682
3683 if (preg_match("/image/", $entry["type"]) ||
3684 preg_match("/\.(jpg|png|gif|bmp)/i", $entry["filename"])) {
3685
3686 if (!$hide_images) {
3687 $rv .= "<p><img
3688 alt=\"".htmlspecialchars($entry["filename"])."\"
3689 src=\"" .htmlspecialchars($entry["url"]) . "\"/></p>";
3690 } else {
3691 $rv .= "<p><a target=\"_blank\"
3692 href=\"".htmlspecialchars($entry["url"])."\"
3693 >" .htmlspecialchars($entry["url"]) . "</a></p>";
3694
3695 }
3696 }
3697 }
3698 }
3699 }
3700
3701 if (count($entries_inline) > 0) {
3702 $rv .= "<hr clear='both'/>";
3703 foreach ($entries_inline as $entry) { $rv .= $entry; };
3704 $rv .= "<hr clear='both'/>";
3705 }
3706
3707 $rv .= "<select class=\"attachments\" onchange=\"openSelectedAttachment(this)\">".
3708 "<option value=''>" . __('Attachments')."</option>";
3709
3710 foreach ($entries as $entry) {
3711 $rv .= "<option value=\"".htmlspecialchars($entry["url"])."\">" . htmlspecialchars($entry["filename"]) . "</option>";
3712
3713 };
3714
3715 $rv .= "</select>";
3716 }
3717
3718 return $rv;
3719 }
3720
3721 function getLastArticleId() {
3722 $result = db_query("SELECT MAX(ref_id) AS id FROM ttrss_user_entries
3723 WHERE owner_uid = " . $_SESSION["uid"]);
3724
3725 if (db_num_rows($result) == 1) {
3726 return db_fetch_result($result, 0, "id");
3727 } else {
3728 return -1;
3729 }
3730 }
3731
3732 function build_url($parts) {
3733 return $parts['scheme'] . "://" . $parts['host'] . $parts['path'];
3734 }
3735
3736 /**
3737 * Converts a (possibly) relative URL to a absolute one.
3738 *
3739 * @param string $url Base URL (i.e. from where the document is)
3740 * @param string $rel_url Possibly relative URL in the document
3741 *
3742 * @return string Absolute URL
3743 */
3744 function rewrite_relative_url($url, $rel_url) {
3745 if (strpos($rel_url, "magnet:") === 0) {
3746 return $rel_url;
3747 } else if (strpos($rel_url, "://") !== false) {
3748 return $rel_url;
3749 } else if (strpos($rel_url, "//") === 0) {
3750 # protocol-relative URL (rare but they exist)
3751 return $rel_url;
3752 } else if (strpos($rel_url, "/") === 0)
3753 {
3754 $parts = parse_url($url);
3755 $parts['path'] = $rel_url;
3756
3757 return build_url($parts);
3758
3759 } else {
3760 $parts = parse_url($url);
3761 if (!isset($parts['path'])) {
3762 $parts['path'] = '/';
3763 }
3764 $dir = $parts['path'];
3765 if (substr($dir, -1) !== '/') {
3766 $dir = dirname($parts['path']);
3767 $dir !== '/' && $dir .= '/';
3768 }
3769 $parts['path'] = $dir . $rel_url;
3770
3771 return build_url($parts);
3772 }
3773 }
3774
3775 function sphinx_search($query, $offset = 0, $limit = 30) {
3776 require_once 'lib/sphinxapi.php';
3777
3778 $sphinxClient = new SphinxClient();
3779
3780 $sphinxpair = explode(":", SPHINX_SERVER, 2);
3781
3782 $sphinxClient->SetServer($sphinxpair[0], $sphinxpair[1]);
3783 $sphinxClient->SetConnectTimeout(1);
3784
3785 $sphinxClient->SetFieldWeights(array('title' => 70, 'content' => 30,
3786 'feed_title' => 20));
3787
3788 $sphinxClient->SetMatchMode(SPH_MATCH_EXTENDED2);
3789 $sphinxClient->SetRankingMode(SPH_RANK_PROXIMITY_BM25);
3790 $sphinxClient->SetLimits($offset, $limit, 1000);
3791 $sphinxClient->SetArrayResult(false);
3792 $sphinxClient->SetFilter('owner_uid', array($_SESSION['uid']));
3793
3794 $result = $sphinxClient->Query($query, SPHINX_INDEX);
3795
3796 $ids = array();
3797
3798 if (is_array($result['matches'])) {
3799 foreach (array_keys($result['matches']) as $int_id) {
3800 $ref_id = $result['matches'][$int_id]['attrs']['ref_id'];
3801 array_push($ids, $ref_id);
3802 }
3803 }
3804
3805 return $ids;
3806 }
3807
3808 function cleanup_tags($days = 14, $limit = 1000) {
3809
3810 if (DB_TYPE == "pgsql") {
3811 $interval_query = "date_updated < NOW() - INTERVAL '$days days'";
3812 } else if (DB_TYPE == "mysql") {
3813 $interval_query = "date_updated < DATE_SUB(NOW(), INTERVAL $days DAY)";
3814 }
3815
3816 $tags_deleted = 0;
3817
3818 while ($limit > 0) {
3819 $limit_part = 500;
3820
3821 $query = "SELECT ttrss_tags.id AS id
3822 FROM ttrss_tags, ttrss_user_entries, ttrss_entries
3823 WHERE post_int_id = int_id AND $interval_query AND
3824 ref_id = ttrss_entries.id AND tag_cache != '' LIMIT $limit_part";
3825
3826 $result = db_query($query);
3827
3828 $ids = array();
3829
3830 while ($line = db_fetch_assoc($result)) {
3831 array_push($ids, $line['id']);
3832 }
3833
3834 if (count($ids) > 0) {
3835 $ids = join(",", $ids);
3836
3837 $tmp_result = db_query("DELETE FROM ttrss_tags WHERE id IN ($ids)");
3838 $tags_deleted += db_affected_rows($tmp_result);
3839 } else {
3840 break;
3841 }
3842
3843 $limit -= $limit_part;
3844 }
3845
3846 return $tags_deleted;
3847 }
3848
3849 function print_user_stylesheet() {
3850 $value = get_pref('USER_STYLESHEET');
3851
3852 if ($value) {
3853 print "<style type=\"text/css\">";
3854 print str_replace("<br/>", "\n", $value);
3855 print "</style>";
3856 }
3857
3858 }
3859
3860 function rewrite_urls($html) {
3861 libxml_use_internal_errors(true);
3862
3863 $charset_hack = '<head>
3864 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
3865 </head>';
3866
3867 $doc = new DOMDocument();
3868 $doc->loadHTML($charset_hack . $html);
3869 $xpath = new DOMXPath($doc);
3870
3871 $entries = $xpath->query('//*/text()');
3872
3873 foreach ($entries as $entry) {
3874 if (strstr($entry->wholeText, "://") !== false) {
3875 $text = preg_replace("/((?<!=.)((http|https|ftp)+):\/\/[^ ,!]+)/i",
3876 "<a target=\"_blank\" href=\"\\1\">\\1</a>", $entry->wholeText);
3877
3878 if ($text != $entry->wholeText) {
3879 $cdoc = new DOMDocument();
3880 $cdoc->loadHTML($charset_hack . $text);
3881
3882
3883 foreach ($cdoc->childNodes as $cnode) {
3884 $cnode = $doc->importNode($cnode, true);
3885
3886 if ($cnode) {
3887 $entry->parentNode->insertBefore($cnode);
3888 }
3889 }
3890
3891 $entry->parentNode->removeChild($entry);
3892
3893 }
3894 }
3895 }
3896
3897 $node = $doc->getElementsByTagName('body')->item(0);
3898
3899 // http://tt-rss.org/forum/viewtopic.php?f=1&t=970
3900 if ($node)
3901 return $doc->saveXML($node);
3902 else
3903 return $html;
3904 }
3905
3906 function filter_to_sql($filter, $owner_uid) {
3907 $query = array();
3908
3909 if (DB_TYPE == "pgsql")
3910 $reg_qpart = "~";
3911 else
3912 $reg_qpart = "REGEXP";
3913
3914 foreach ($filter["rules"] AS $rule) {
3915 $regexp_valid = preg_match('/' . $rule['reg_exp'] . '/',
3916 $rule['reg_exp']) !== FALSE;
3917
3918 if ($regexp_valid) {
3919
3920 $rule['reg_exp'] = db_escape_string($rule['reg_exp']);
3921
3922 switch ($rule["type"]) {
3923 case "title":
3924 $qpart = "LOWER(ttrss_entries.title) $reg_qpart LOWER('".
3925 $rule['reg_exp'] . "')";
3926 break;
3927 case "content":
3928 $qpart = "LOWER(ttrss_entries.content) $reg_qpart LOWER('".
3929 $rule['reg_exp'] . "')";
3930 break;
3931 case "both":
3932 $qpart = "LOWER(ttrss_entries.title) $reg_qpart LOWER('".
3933 $rule['reg_exp'] . "') OR LOWER(" .
3934 "ttrss_entries.content) $reg_qpart LOWER('" . $rule['reg_exp'] . "')";
3935 break;
3936 case "tag":
3937 $qpart = "LOWER(ttrss_user_entries.tag_cache) $reg_qpart LOWER('".
3938 $rule['reg_exp'] . "')";
3939 break;
3940 case "link":
3941 $qpart = "LOWER(ttrss_entries.link) $reg_qpart LOWER('".
3942 $rule['reg_exp'] . "')";
3943 break;
3944 case "author":
3945 $qpart = "LOWER(ttrss_entries.author) $reg_qpart LOWER('".
3946 $rule['reg_exp'] . "')";
3947 break;
3948 }
3949
3950 if (isset($rule['inverse'])) $qpart = "NOT ($qpart)";
3951
3952 if (isset($rule["feed_id"]) && $rule["feed_id"] > 0) {
3953 $qpart .= " AND feed_id = " . db_escape_string($rule["feed_id"]);
3954 }
3955
3956 if (isset($rule["cat_id"])) {
3957
3958 if ($rule["cat_id"] > 0) {
3959 $children = getChildCategories($rule["cat_id"], $owner_uid);
3960 array_push($children, $rule["cat_id"]);
3961
3962 $children = join(",", $children);
3963
3964 $cat_qpart = "cat_id IN ($children)";
3965 } else {
3966 $cat_qpart = "cat_id IS NULL";
3967 }
3968
3969 $qpart .= " AND $cat_qpart";
3970 }
3971
3972 array_push($query, "($qpart)");
3973
3974 }
3975 }
3976
3977 if (count($query) > 0) {
3978 $fullquery = "(" . join($filter["match_any_rule"] ? "OR" : "AND", $query) . ")";
3979 } else {
3980 $fullquery = "(false)";
3981 }
3982
3983 if ($filter['inverse']) $fullquery = "(NOT $fullquery)";
3984
3985 return $fullquery;
3986 }
3987
3988 if (!function_exists('gzdecode')) {
3989 function gzdecode($string) { // no support for 2nd argument
3990 return file_get_contents('compress.zlib://data:who/cares;base64,'.
3991 base64_encode($string));
3992 }
3993 }
3994
3995 function get_random_bytes($length) {
3996 if (function_exists('openssl_random_pseudo_bytes')) {
3997 return openssl_random_pseudo_bytes($length);
3998 } else {
3999 $output = "";
4000
4001 for ($i = 0; $i < $length; $i++)
4002 $output .= chr(mt_rand(0, 255));
4003
4004 return $output;
4005 }
4006 }
4007
4008 function read_stdin() {
4009 $fp = fopen("php://stdin", "r");
4010
4011 if ($fp) {
4012 $line = trim(fgets($fp));
4013 fclose($fp);
4014 return $line;
4015 }
4016
4017 return null;
4018 }
4019
4020 function tmpdirname($path, $prefix) {
4021 // Use PHP's tmpfile function to create a temporary
4022 // directory name. Delete the file and keep the name.
4023 $tempname = tempnam($path,$prefix);
4024 if (!$tempname)
4025 return false;
4026
4027 if (!unlink($tempname))
4028 return false;
4029
4030 return $tempname;
4031 }
4032
4033 function getFeedCategory($feed) {
4034 $result = db_query("SELECT cat_id FROM ttrss_feeds
4035 WHERE id = '$feed'");
4036
4037 if (db_num_rows($result) > 0) {
4038 return db_fetch_result($result, 0, "cat_id");
4039 } else {
4040 return false;
4041 }
4042
4043 }
4044
4045 function implements_interface($class, $interface) {
4046 return in_array($interface, class_implements($class));
4047 }
4048
4049 function geturl($url){
4050
4051 if (!function_exists('curl_init'))
4052 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);
4053
4054 $curl = curl_init();
4055 $header[0] = "Accept: text/xml,application/xml,application/xhtml+xml,";
4056 $header[0] .= "text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5";
4057 $header[] = "Cache-Control: max-age=0";
4058 $header[] = "Connection: keep-alive";
4059 $header[] = "Keep-Alive: 300";
4060 $header[] = "Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7";
4061 $header[] = "Accept-Language: en-us,en;q=0.5";
4062 $header[] = "Pragma: ";
4063
4064 curl_setopt($curl, CURLOPT_URL, $url);
4065 curl_setopt($curl, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows NT 5.1; rv:5.0) Gecko/20100101 Firefox/5.0 Firefox/5.0');
4066 curl_setopt($curl, CURLOPT_HTTPHEADER, $header);
4067 curl_setopt($curl, CURLOPT_HEADER, true);
4068 curl_setopt($curl, CURLOPT_REFERER, $url);
4069 curl_setopt($curl, CURLOPT_ENCODING, 'gzip,deflate');
4070 curl_setopt($curl, CURLOPT_AUTOREFERER, true);
4071 curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
4072 //curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true); //CURLOPT_FOLLOWLOCATION Disabled...
4073 curl_setopt($curl, CURLOPT_TIMEOUT, 60);
4074
4075 $html = curl_exec($curl);
4076
4077 $status = curl_getinfo($curl);
4078 curl_close($curl);
4079
4080 if($status['http_code']!=200){
4081 if($status['http_code'] == 301 || $status['http_code'] == 302) {
4082 list($header) = explode("\r\n\r\n", $html, 2);
4083 $matches = array();
4084 preg_match("/(Location:|URI:)[^(\n)]*/", $header, $matches);
4085 $url = trim(str_replace($matches[1],"",$matches[0]));
4086 $url_parsed = parse_url($url);
4087 return (isset($url_parsed))? geturl($url, $referer):'';
4088 }
4089 $oline='';
4090 foreach($status as $key=>$eline){$oline.='['.$key.']'.$eline.' ';}
4091 $line =$oline." \r\n ".$url."\r\n-----------------\r\n";
4092 # $handle = @fopen('./curl.error.log', 'a');
4093 # fwrite($handle, $line);
4094 return FALSE;
4095 }
4096 return $url;
4097 }
4098
4099 function get_minified_js($files) {
4100 require_once 'lib/jshrink/Minifier.php';
4101
4102 $rv = '';
4103
4104 foreach ($files as $js) {
4105 if (!isset($_GET['debug'])) {
4106 $cached_file = CACHE_DIR . "/js/$js.js";
4107
4108 if (file_exists($cached_file) &&
4109 is_readable($cached_file) &&
4110 filemtime($cached_file) >= filemtime("js/$js.js")) {
4111
4112 $rv .= file_get_contents($cached_file);
4113
4114 } else {
4115 $minified = JShrink\Minifier::minify(file_get_contents("js/$js.js"));
4116 file_put_contents($cached_file, $minified);
4117 $rv .= $minified;
4118 }
4119 } else {
4120 $rv .= file_get_contents("js/$js.js");
4121 }
4122 }
4123
4124 return $rv;
4125 }
4126
4127 function stylesheet_tag($filename) {
4128 $timestamp = filemtime($filename);
4129
4130 echo "<link rel=\"stylesheet\" type=\"text/css\" href=\"$filename?$timestamp\"/>\n";
4131 }
4132
4133 function javascript_tag($filename) {
4134 $query = "";
4135
4136 if (!(strpos($filename, "?") === FALSE)) {
4137 $query = substr($filename, strpos($filename, "?")+1);
4138 $filename = substr($filename, 0, strpos($filename, "?"));
4139 }
4140
4141 $timestamp = filemtime($filename);
4142
4143 if ($query) $timestamp .= "&$query";
4144
4145 echo "<script type=\"text/javascript\" charset=\"utf-8\" src=\"$filename?$timestamp\"></script>\n";
4146 }
4147
4148 function calculate_dep_timestamp() {
4149 $files = array_merge(glob("js/*.js"), glob("*.css"));
4150
4151 $max_ts = -1;
4152
4153 foreach ($files as $file) {
4154 if (filemtime($file) > $max_ts) $max_ts = filemtime($file);
4155 }
4156
4157 return $max_ts;
4158 }
4159
4160 function T_js_decl($s1, $s2) {
4161 if ($s1 && $s2) {
4162 $s1 = preg_replace("/\n/", "", $s1);
4163 $s2 = preg_replace("/\n/", "", $s2);
4164
4165 $s1 = preg_replace("/\"/", "\\\"", $s1);
4166 $s2 = preg_replace("/\"/", "\\\"", $s2);
4167
4168 return "T_messages[\"$s1\"] = \"$s2\";\n";
4169 }
4170 }
4171
4172 function init_js_translations() {
4173
4174 print 'var T_messages = new Object();
4175
4176 function __(msg) {
4177 if (T_messages[msg]) {
4178 return T_messages[msg];
4179 } else {
4180 return msg;
4181 }
4182 }
4183
4184 function ngettext(msg1, msg2, n) {
4185 return (parseInt(n) > 1) ? msg2 : msg1;
4186 }';
4187
4188 $l10n = _get_reader();
4189
4190 for ($i = 0; $i < $l10n->total; $i++) {
4191 $orig = $l10n->get_original_string($i);
4192 $translation = __($orig);
4193
4194 print T_js_decl($orig, $translation);
4195 }
4196 }
4197
4198 function label_to_feed_id($label) {
4199 return LABEL_BASE_INDEX - 1 - abs($label);
4200 }
4201
4202 function feed_to_label_id($feed) {
4203 return LABEL_BASE_INDEX - 1 + abs($feed);
4204 }
4205
4206 ?>
web-based news feed (RSS/Atom) reader and aggregator; see https://tt-rss.org/