2 define('EXPECTED_CONFIG_VERSION', 26);
3 define('SCHEMA_VERSION', 134);
5 define('LABEL_BASE_INDEX', -1024);
6 define('PLUGIN_FEED_BASE_INDEX', -128);
8 define('COOKIE_LIFETIME_LONG', 86400*365);
10 $fetch_last_error = false;
11 $fetch_last_error_code = false;
12 $fetch_last_content_type = false;
13 $fetch_last_error_content = false; // curl only for the time being
14 $fetch_effective_url = false;
15 $fetch_curl_used = false;
16 $suppress_debugging = false;
18 libxml_disable_entity_loader(true);
20 // separate test because this is included before sanity checks
21 if (function_exists("mb_internal_encoding")) mb_internal_encoding("UTF-8");
23 date_default_timezone_set('UTC');
24 if (defined('E_DEPRECATED')) {
25 error_reporting(E_ALL
& ~E_NOTICE
& ~E_DEPRECATED
);
27 error_reporting(E_ALL
& ~E_NOTICE
);
30 require_once 'config.php';
33 * Define a constant if not already defined
35 function define_default($name, $value) {
36 defined($name) or define($name, $value);
39 /* Some tunables you can override in config.php using define(): */
41 define_default('FEED_FETCH_TIMEOUT', 45);
42 // How may seconds to wait for response when requesting feed from a site
43 define_default('FEED_FETCH_NO_CACHE_TIMEOUT', 15);
44 // How may seconds to wait for response when requesting feed from a
45 // site when that feed wasn't cached before
46 define_default('FILE_FETCH_TIMEOUT', 45);
47 // Default timeout when fetching files from remote sites
48 define_default('FILE_FETCH_CONNECT_TIMEOUT', 15);
49 // How many seconds to wait for initial response from website when
50 // fetching files from remote sites
51 define_default('DAEMON_UPDATE_LOGIN_LIMIT', 30);
52 // stop updating feeds if users haven't logged in for X days
53 define_default('DAEMON_FEED_LIMIT', 500);
54 // feed limit for one update batch
55 define_default('DAEMON_SLEEP_INTERVAL', 120);
56 // default sleep interval between feed updates (sec)
57 define_default('MIN_CACHE_FILE_SIZE', 1024);
58 // do not cache files smaller than that (bytes)
59 define_default('MAX_CACHE_FILE_SIZE', 64*1024*1024);
60 // do not cache files larger than that (bytes)
61 define_default('MAX_DOWNLOAD_FILE_SIZE', 16*1024*1024);
62 // do not download general files larger than that (bytes)
63 define_default('CACHE_MAX_DAYS', 7);
64 // max age in days for various automatically cached (temporary) files
65 define_default('MAX_CONDITIONAL_INTERVAL', 3600*12);
66 // max interval between forced unconditional updates for servers
67 // not complying with http if-modified-since (seconds)
69 /* tunables end here */
71 if (DB_TYPE
== "pgsql") {
72 define('SUBSTRING_FOR_DATE', 'SUBSTRING_FOR_DATE');
74 define('SUBSTRING_FOR_DATE', 'SUBSTRING');
78 * Return available translations names.
81 * @return array A array of available translations.
83 function get_translations() {
85 "auto" => "Detect automatically",
86 "ar_SA" => "العربيّة (Arabic)",
87 "bg_BG" => "Bulgarian",
92 "el_GR" => "Ελληνικά",
93 "es_ES" => "Español (España)",
96 "fr_FR" => "Français",
97 "hu_HU" => "Magyar (Hungarian)",
98 "it_IT" => "Italiano",
99 "ja_JP" => "日本語 (Japanese)",
100 "lv_LV" => "Latviešu",
101 "nb_NO" => "Norwegian bokmål",
104 "ru_RU" => "Русский",
105 "pt_BR" => "Portuguese/Brazil",
106 "pt_PT" => "Portuguese/Portugal",
107 "zh_CN" => "Simplified Chinese",
108 "zh_TW" => "Traditional Chinese",
109 "sv_SE" => "Svenska",
111 "tr_TR" => "Türkçe");
116 require_once "lib/accept-to-gettext.php";
117 require_once "lib/gettext/gettext.inc";
119 function startup_gettext() {
121 # Get locale from Accept-Language header
122 $lang = al2gt(array_keys(get_translations()), "text/html");
124 if (defined('_TRANSLATION_OVERRIDE_DEFAULT')) {
125 $lang = _TRANSLATION_OVERRIDE_DEFAULT
;
128 if ($_SESSION["uid"] && get_schema_version() >= 120) {
129 $pref_lang = get_pref("USER_LANGUAGE", $_SESSION["uid"]);
131 if ($pref_lang && $pref_lang != 'auto') {
137 if (defined('LC_MESSAGES')) {
138 _setlocale(LC_MESSAGES
, $lang);
139 } else if (defined('LC_ALL')) {
140 _setlocale(LC_ALL
, $lang);
143 _bindtextdomain("messages", "locale");
145 _textdomain("messages");
146 _bind_textdomain_codeset("messages", "UTF-8");
150 require_once 'db-prefs.php';
151 require_once 'version.php';
152 require_once 'controls.php';
154 define('SELF_USER_AGENT', 'Tiny Tiny RSS/' . VERSION
. ' (http://tt-rss.org/)');
155 ini_set('user_agent', SELF_USER_AGENT
);
157 $schema_version = false;
159 function _debug_suppress($suppress) {
160 global $suppress_debugging;
162 $suppress_debugging = $suppress;
166 * Print a timestamped debug message.
168 * @param string $msg The debug message.
171 function _debug($msg, $show = true) {
172 global $suppress_debugging;
174 //echo "[$suppress_debugging] $msg $show\n";
176 if ($suppress_debugging) return false;
178 $ts = strftime("%H:%M:%S", time());
179 if (function_exists('posix_getpid')) {
180 $ts = "$ts/" . posix_getpid();
183 if ($show && !(defined('QUIET') && QUIET
)) {
184 print "[$ts] $msg\n";
187 if (defined('LOGFILE')) {
188 $fp = fopen(LOGFILE
, 'a+');
193 if (function_exists("flock")) {
196 // try to lock logfile for writing
197 while ($tries < 5 && !$locked = flock($fp, LOCK_EX | LOCK_NB
)) {
208 fputs($fp, "[$ts] $msg\n");
210 if (function_exists("flock")) {
221 * Purge a feed old posts.
223 * @param mixed $link A database connection.
224 * @param mixed $feed_id The id of the purged feed.
225 * @param mixed $purge_interval Olderness of purged posts.
226 * @param boolean $debug Set to True to enable the debug. False by default.
230 function purge_feed($feed_id, $purge_interval, $debug = false) {
232 if (!$purge_interval) $purge_interval = feed_purge_interval($feed_id);
236 $sth = $pdo->prepare("SELECT owner_uid FROM ttrss_feeds WHERE id = ?");
237 $sth->execute([$feed_id]);
241 if ($row = $sth->fetch()) {
242 $owner_uid = $row["owner_uid"];
245 if ($purge_interval == -1 ||
!$purge_interval) {
247 CCache
::update($feed_id, $owner_uid);
252 if (!$owner_uid) return;
254 if (FORCE_ARTICLE_PURGE
== 0) {
255 $purge_unread = get_pref("PURGE_UNREAD_ARTICLES",
258 $purge_unread = true;
259 $purge_interval = FORCE_ARTICLE_PURGE
;
263 $query_limit = " unread = false AND ";
267 $purge_interval = (int) $purge_interval;
269 if (DB_TYPE
== "pgsql") {
270 $sth = $pdo->prepare("DELETE FROM ttrss_user_entries
272 WHERE ttrss_entries.id = ref_id AND
276 ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
277 $sth->execute([$feed_id]);
280 $sth = $pdo->prepare("DELETE FROM ttrss_user_entries
281 USING ttrss_user_entries, ttrss_entries
282 WHERE ttrss_entries.id = ref_id AND
286 ttrss_entries.date_updated < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
287 $sth->execute([$feed_id]);
291 $rows = $sth->rowCount();
293 CCache
::update($feed_id, $owner_uid);
296 _debug("Purged feed $feed_id ($purge_interval): deleted $rows articles");
300 } // function purge_feed
302 function feed_purge_interval($feed_id) {
306 $sth = $pdo->prepare("SELECT purge_interval, owner_uid FROM ttrss_feeds
308 $sth->execute([$feed_id]);
310 if ($row = $sth->fetch()) {
311 $purge_interval = $row["purge_interval"];
312 $owner_uid = $row["owner_uid"];
314 if ($purge_interval == 0) $purge_interval = get_pref(
315 'PURGE_OLD_DAYS', $owner_uid);
317 return $purge_interval;
324 // TODO: max_size currently only works for CURL transfers
325 // TODO: multiple-argument way is deprecated, first parameter is a hash now
326 function fetch_file_contents($options /* previously: 0: $url , 1: $type = false, 2: $login = false, 3: $pass = false,
327 4: $post_query = false, 5: $timeout = false, 6: $timestamp = 0, 7: $useragent = false*/) {
329 global $fetch_last_error;
330 global $fetch_last_error_code;
331 global $fetch_last_error_content;
332 global $fetch_last_content_type;
333 global $fetch_last_modified;
334 global $fetch_effective_url;
335 global $fetch_curl_used;
337 $fetch_last_error = false;
338 $fetch_last_error_code = -1;
339 $fetch_last_error_content = "";
340 $fetch_last_content_type = "";
341 $fetch_curl_used = false;
342 $fetch_last_modified = "";
343 $fetch_effective_url = "";
345 if (!is_array($options)) {
347 // falling back on compatibility shim
348 $option_names = [ "url", "type", "login", "pass", "post_query", "timeout", "last_modified", "useragent" ];
351 for ($i = 0; $i < func_num_args(); $i++
) {
352 $tmp[$option_names[$i]] = func_get_arg($i);
358 "url" => func_get_arg(0),
359 "type" => @func_get_arg(1),
360 "login" => @func_get_arg(2),
361 "pass" => @func_get_arg(3),
362 "post_query" => @func_get_arg(4),
363 "timeout" => @func_get_arg(5),
364 "timestamp" => @func_get_arg(6),
365 "useragent" => @func_get_arg(7)
369 $url = $options["url"];
370 $type = isset($options["type"]) ?
$options["type"] : false;
371 $login = isset($options["login"]) ?
$options["login"] : false;
372 $pass = isset($options["pass"]) ?
$options["pass"] : false;
373 $post_query = isset($options["post_query"]) ?
$options["post_query"] : false;
374 $timeout = isset($options["timeout"]) ?
$options["timeout"] : false;
375 $last_modified = isset($options["last_modified"]) ?
$options["last_modified"] : "";
376 $useragent = isset($options["useragent"]) ?
$options["useragent"] : false;
377 $followlocation = isset($options["followlocation"]) ?
$options["followlocation"] : true;
378 $max_size = isset($options["max_size"]) ?
$options["max_size"] : MAX_DOWNLOAD_FILE_SIZE
; // in bytes
379 $http_accept = isset($options["http_accept"]) ?
$options["http_accept"] : false;
381 $url = ltrim($url, ' ');
382 $url = str_replace(' ', '%20', $url);
384 if (strpos($url, "//") === 0)
385 $url = 'http:' . $url;
387 if (!defined('NO_CURL') && function_exists('curl_init') && !ini_get("open_basedir")) {
389 $fetch_curl_used = true;
391 $ch = curl_init($url);
393 $curl_http_headers = [];
395 if ($last_modified && !$post_query)
396 array_push($curl_http_headers, "If-Modified-Since: $last_modified");
399 array_push($curl_http_headers, "Accept: " . $http_accept);
401 if (count($curl_http_headers) > 0)
402 curl_setopt($ch, CURLOPT_HTTPHEADER
, $curl_http_headers);
404 curl_setopt($ch, CURLOPT_CONNECTTIMEOUT
, $timeout ?
$timeout : FILE_FETCH_CONNECT_TIMEOUT
);
405 curl_setopt($ch, CURLOPT_TIMEOUT
, $timeout ?
$timeout : FILE_FETCH_TIMEOUT
);
406 curl_setopt($ch, CURLOPT_FOLLOWLOCATION
, !ini_get("open_basedir") && $followlocation);
407 curl_setopt($ch, CURLOPT_MAXREDIRS
, 20);
408 curl_setopt($ch, CURLOPT_BINARYTRANSFER
, true);
409 curl_setopt($ch, CURLOPT_RETURNTRANSFER
, true);
410 curl_setopt($ch, CURLOPT_HEADER
, true);
411 curl_setopt($ch, CURLOPT_HTTPAUTH
, CURLAUTH_ANY
);
412 curl_setopt($ch, CURLOPT_USERAGENT
, $useragent ?
$useragent :
414 curl_setopt($ch, CURLOPT_ENCODING
, "");
415 //curl_setopt($ch, CURLOPT_REFERER, $url);
418 curl_setopt($ch, CURLOPT_NOPROGRESS
, false);
419 curl_setopt($ch, CURLOPT_BUFFERSIZE
, 16384); // needed to get 5 arguments in progress function?
421 // holy shit closures in php
422 // download & upload are *expected* sizes respectively, could be zero
423 curl_setopt($ch, CURLOPT_PROGRESSFUNCTION
, function($curl_handle, $download_size, $downloaded, $upload_size, $uploaded) use( &$max_size) {
424 //_debug("[curl progressfunction] $downloaded $max_size");
426 return ($downloaded > $max_size) ?
1 : 0; // if max size is set, abort when exceeding it
431 if (!ini_get("open_basedir")) {
432 curl_setopt($ch, CURLOPT_COOKIEJAR
, "/dev/null");
435 if (defined('_HTTP_PROXY')) {
436 curl_setopt($ch, CURLOPT_PROXY
, _HTTP_PROXY
);
440 curl_setopt($ch, CURLOPT_POST
, true);
441 curl_setopt($ch, CURLOPT_POSTFIELDS
, $post_query);
445 curl_setopt($ch, CURLOPT_USERPWD
, "$login:$pass");
447 $ret = @curl_exec
($ch);
449 $headers_length = curl_getinfo($ch, CURLINFO_HEADER_SIZE
);
450 $headers = explode("\r\n", substr($ret, 0, $headers_length));
451 $contents = substr($ret, $headers_length);
453 foreach ($headers as $header) {
454 if (strstr($header, ": ") !== FALSE) {
455 list ($key, $value) = explode(": ", $header);
457 if (strtolower($key) == "last-modified") {
458 $fetch_last_modified = $value;
462 if (substr(strtolower($header), 0, 7) == 'http/1.') {
463 $fetch_last_error_code = (int) substr($header, 9, 3);
464 $fetch_last_error = $header;
468 if (curl_errno($ch) === 23 ||
curl_errno($ch) === 61) {
469 curl_setopt($ch, CURLOPT_ENCODING
, 'none');
470 $contents = @curl_exec
($ch);
473 $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE
);
474 $fetch_last_content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE
);
476 $fetch_effective_url = curl_getinfo($ch, CURLINFO_EFFECTIVE_URL
);
478 $fetch_last_error_code = $http_code;
480 if ($http_code != 200 ||
$type && strpos($fetch_last_content_type, "$type") === false) {
482 if (curl_errno($ch) != 0) {
483 $fetch_last_error .= "; " . curl_errno($ch) . " " . curl_error($ch);
486 $fetch_last_error_content = $contents;
492 $fetch_last_error = curl_errno($ch) . " " . curl_error($ch);
502 $fetch_curl_used = false;
504 if ($login && $pass){
505 $url_parts = array();
507 preg_match("/(^[^:]*):\/\/(.*)/", $url, $url_parts);
509 $pass = urlencode($pass);
511 if ($url_parts[1] && $url_parts[2]) {
512 $url = $url_parts[1] . "://$login:$pass@" . $url_parts[2];
516 // TODO: should this support POST requests or not? idk
518 $context_options = array(
524 'ignore_errors' => true,
525 'timeout' => $timeout ?
$timeout : FILE_FETCH_TIMEOUT
,
526 'protocol_version'=> 1.1)
529 if (!$post_query && $last_modified)
530 array_push($context_options['http']['header'], "If-Modified-Since: $last_modified");
533 array_push($context_options['http']['header'], "Accept: $http_accept");
535 if (defined('_HTTP_PROXY')) {
536 $context_options['http']['request_fulluri'] = true;
537 $context_options['http']['proxy'] = _HTTP_PROXY
;
540 $context = stream_context_create($context_options);
542 $old_error = error_get_last();
544 $fetch_effective_url = $url;
546 $data = @file_get_contents
($url, false, $context);
548 if (isset($http_response_header) && is_array($http_response_header)) {
549 foreach ($http_response_header as $header) {
550 if (strstr($header, ": ") !== FALSE) {
551 list ($key, $value) = explode(": ", $header);
553 $key = strtolower($key);
555 if ($key == 'content-type') {
556 $fetch_last_content_type = $value;
557 // don't abort here b/c there might be more than one
558 // e.g. if we were being redirected -- last one is the right one
559 } else if ($key == 'last-modified') {
560 $fetch_last_modified = $value;
561 } else if ($key == 'location') {
562 $fetch_effective_url = $value;
566 if (substr(strtolower($header), 0, 7) == 'http/1.') {
567 $fetch_last_error_code = (int) substr($header, 9, 3);
568 $fetch_last_error = $header;
573 if ($fetch_last_error_code != 200) {
574 $error = error_get_last();
576 if ($error['message'] != $old_error['message']) {
577 $fetch_last_error .= "; " . $error["message"];
580 $fetch_last_error_content = $data;
590 * Try to determine the favicon URL for a feed.
591 * adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/)
592 * http://dev.wp-plugins.org/file/favatars/trunk/favatars.php
594 * @param string $url A feed or page URL
596 * @return mixed The favicon URL, or false if none was found.
598 function get_favicon_url($url) {
600 $favicon_url = false;
602 if ($html = @fetch_file_contents
($url)) {
604 libxml_use_internal_errors(true);
606 $doc = new DOMDocument();
607 $doc->loadHTML($html);
608 $xpath = new DOMXPath($doc);
610 $base = $xpath->query('/html/head/base[@href]');
611 foreach ($base as $b) {
612 $url = rewrite_relative_url($url, $b->getAttribute("href"));
616 $entries = $xpath->query('/html/head/link[@rel="shortcut icon" or @rel="icon"]');
617 if (count($entries) > 0) {
618 foreach ($entries as $entry) {
619 $favicon_url = rewrite_relative_url($url, $entry->getAttribute("href"));
626 $favicon_url = rewrite_relative_url($url, "/favicon.ico");
629 } // function get_favicon_url
631 function initialize_user_prefs($uid, $profile = false) {
633 if (get_schema_version() < 63) $profile_qpart = "";
636 $in_nested_tr = false;
639 $pdo->beginTransaction();
640 } catch (Exception
$e) {
641 $in_nested_tr = true;
644 $sth = $pdo->query("SELECT pref_name,def_value FROM ttrss_prefs");
646 $profile = $profile ?
$profile : null;
648 $u_sth = $pdo->prepare("SELECT pref_name
649 FROM ttrss_user_prefs WHERE owner_uid = :uid AND
650 (profile = :profile OR (:profile IS NULL AND profile IS NULL))");
651 $u_sth->execute([':uid' => $uid, ':profile' => $profile]);
653 $active_prefs = array();
655 while ($line = $u_sth->fetch()) {
656 array_push($active_prefs, $line["pref_name"]);
659 while ($line = $sth->fetch()) {
660 if (array_search($line["pref_name"], $active_prefs) === FALSE) {
661 // print "adding " . $line["pref_name"] . "<br>";
663 if (get_schema_version() < 63) {
664 $i_sth = $pdo->prepare("INSERT INTO ttrss_user_prefs
665 (owner_uid,pref_name,value) VALUES
667 $i_sth->execute([$uid, $line["pref_name"], $line["def_value"]]);
670 $i_sth = $pdo->prepare("INSERT INTO ttrss_user_prefs
671 (owner_uid,pref_name,value, profile) VALUES
673 $i_sth->execute([$uid, $line["pref_name"], $line["def_value"], $profile]);
679 if (!$in_nested_tr) $pdo->commit();
683 function get_ssl_certificate_id() {
684 if ($_SERVER["REDIRECT_SSL_CLIENT_M_SERIAL"]) {
685 return sha1($_SERVER["REDIRECT_SSL_CLIENT_M_SERIAL"] .
686 $_SERVER["REDIRECT_SSL_CLIENT_V_START"] .
687 $_SERVER["REDIRECT_SSL_CLIENT_V_END"] .
688 $_SERVER["REDIRECT_SSL_CLIENT_S_DN"]);
690 if ($_SERVER["SSL_CLIENT_M_SERIAL"]) {
691 return sha1($_SERVER["SSL_CLIENT_M_SERIAL"] .
692 $_SERVER["SSL_CLIENT_V_START"] .
693 $_SERVER["SSL_CLIENT_V_END"] .
694 $_SERVER["SSL_CLIENT_S_DN"]);
699 function authenticate_user($login, $password, $check_only = false) {
701 if (!SINGLE_USER_MODE
) {
704 foreach (PluginHost
::getInstance()->get_hooks(PluginHost
::HOOK_AUTH_USER
) as $plugin) {
706 $user_id = (int) $plugin->authenticate($login, $password);
709 $_SESSION["auth_module"] = strtolower(get_class($plugin));
714 if ($user_id && !$check_only) {
717 $_SESSION["uid"] = $user_id;
718 $_SESSION["version"] = VERSION_STATIC
;
721 $sth = $pdo->prepare("SELECT login,access_level,pwd_hash FROM ttrss_users
723 $sth->execute([$user_id]);
724 $row = $sth->fetch();
726 $_SESSION["name"] = $row["login"];
727 $_SESSION["access_level"] = $row["access_level"];
728 $_SESSION["csrf_token"] = uniqid_short();
730 $usth = $pdo->prepare("UPDATE ttrss_users SET last_login = NOW() WHERE id = ?");
731 $usth->execute([$user_id]);
733 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
734 $_SESSION["user_agent"] = sha1($_SERVER['HTTP_USER_AGENT']);
735 $_SESSION["pwd_hash"] = $row["pwd_hash"];
737 $_SESSION["last_version_check"] = time();
739 initialize_user_prefs($_SESSION["uid"]);
748 $_SESSION["uid"] = 1;
749 $_SESSION["name"] = "admin";
750 $_SESSION["access_level"] = 10;
752 $_SESSION["hide_hello"] = true;
753 $_SESSION["hide_logout"] = true;
755 $_SESSION["auth_module"] = false;
757 if (!$_SESSION["csrf_token"]) {
758 $_SESSION["csrf_token"] = uniqid_short();
761 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
763 initialize_user_prefs($_SESSION["uid"]);
769 // this is used for user http parameters unless HTML code is actually needed
770 function clean($param) {
771 if (is_array($param)) {
772 return array_map("strip_tags", $param);
773 } else if (is_string($param)) {
774 return strip_tags($param);
780 function make_password($length = 8) {
783 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
787 while ($i < $length) {
788 $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
790 if (!strstr($password, $char)) {
798 // this is called after user is created to initialize default feeds, labels
801 // user preferences are checked on every login, not here
803 function initialize_user($uid) {
807 $sth = $pdo->prepare("insert into ttrss_feeds (owner_uid,title,feed_url)
808 values (?, 'Tiny Tiny RSS: Forum',
809 'http://tt-rss.org/forum/rss.php')");
810 $sth->execute([$uid]);
813 function logout_user() {
815 if (isset($_COOKIE[session_name()])) {
816 setcookie(session_name(), '', time()-42000, '/');
820 function validate_csrf($csrf_token) {
821 return $csrf_token == $_SESSION['csrf_token'];
824 function load_user_plugins($owner_uid, $pluginhost = false) {
826 if (!$pluginhost) $pluginhost = PluginHost
::getInstance();
828 if ($owner_uid && SCHEMA_VERSION
>= 100) {
829 $plugins = get_pref("_ENABLED_PLUGINS", $owner_uid);
831 $pluginhost->load($plugins, PluginHost
::KIND_USER
, $owner_uid);
833 if (get_schema_version() > 100) {
834 $pluginhost->load_data();
839 function login_sequence() {
842 if (SINGLE_USER_MODE
) {
844 authenticate_user("admin", null);
846 load_user_plugins($_SESSION["uid"]);
848 if (!validate_session()) $_SESSION["uid"] = false;
850 if (!$_SESSION["uid"]) {
852 if (AUTH_AUTO_LOGIN
&& authenticate_user(null, null)) {
853 $_SESSION["ref_schema_version"] = get_schema_version(true);
855 authenticate_user(null, null, true);
858 if (!$_SESSION["uid"]) {
860 setcookie(session_name(), '', time()-42000, '/');
867 /* bump login timestamp */
868 $sth = $pdo->prepare("UPDATE ttrss_users SET last_login = NOW() WHERE id = ?");
869 $sth->execute([$_SESSION['uid']]);
871 $_SESSION["last_login_update"] = time();
874 if ($_SESSION["uid"]) {
876 load_user_plugins($_SESSION["uid"]);
880 $sth = $pdo->prepare("DELETE FROM ttrss_counters_cache WHERE owner_uid = ?
882 (SELECT COUNT(id) FROM ttrss_feeds WHERE
883 ttrss_feeds.id = feed_id) = 0");
885 $sth->execute([$_SESSION['uid']]);
887 $sth = $pdo->prepare("DELETE FROM ttrss_cat_counters_cache WHERE owner_uid = ?
889 (SELECT COUNT(id) FROM ttrss_feed_categories WHERE
890 ttrss_feed_categories.id = feed_id) = 0");
892 $sth->execute([$_SESSION['uid']]);
898 function truncate_string($str, $max_len, $suffix = '…') {
899 if (mb_strlen($str, "utf-8") > $max_len) {
900 return mb_substr($str, 0, $max_len, "utf-8") . $suffix;
907 function truncate_middle($str, $max_len, $suffix = '…') {
908 if (strlen($str) > $max_len) {
909 return substr_replace($str, $suffix, $max_len / 2, mb_strlen($str) - $max_len);
915 function convert_timestamp($timestamp, $source_tz, $dest_tz) {
918 $source_tz = new DateTimeZone($source_tz);
919 } catch (Exception
$e) {
920 $source_tz = new DateTimeZone('UTC');
924 $dest_tz = new DateTimeZone($dest_tz);
925 } catch (Exception
$e) {
926 $dest_tz = new DateTimeZone('UTC');
929 $dt = new DateTime(date('Y-m-d H:i:s', $timestamp), $source_tz);
930 return $dt->format('U') +
$dest_tz->getOffset($dt);
933 function make_local_datetime($timestamp, $long, $owner_uid = false,
934 $no_smart_dt = false, $eta_min = false) {
936 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
937 if (!$timestamp) $timestamp = '1970-01-01 0:00';
942 if (!$utc_tz) $utc_tz = new DateTimeZone('UTC');
944 $timestamp = substr($timestamp, 0, 19);
946 # We store date in UTC internally
947 $dt = new DateTime($timestamp, $utc_tz);
949 $user_tz_string = get_pref('USER_TIMEZONE', $owner_uid);
951 if ($user_tz_string != 'Automatic') {
954 if (!$user_tz) $user_tz = new DateTimeZone($user_tz_string);
955 } catch (Exception
$e) {
959 $tz_offset = $user_tz->getOffset($dt);
961 $tz_offset = (int) -$_SESSION["clientTzOffset"];
964 $user_timestamp = $dt->format('U') +
$tz_offset;
967 return smart_date_time($user_timestamp,
968 $tz_offset, $owner_uid, $eta_min);
971 $format = get_pref('LONG_DATE_FORMAT', $owner_uid);
973 $format = get_pref('SHORT_DATE_FORMAT', $owner_uid);
975 return date($format, $user_timestamp);
979 function smart_date_time($timestamp, $tz_offset = 0, $owner_uid = false, $eta_min = false) {
980 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
982 if ($eta_min && time() +
$tz_offset - $timestamp < 3600) {
983 return T_sprintf("%d min", date("i", time() +
$tz_offset - $timestamp));
984 } else if (date("Y.m.d", $timestamp) == date("Y.m.d", time() +
$tz_offset)) {
985 return date("G:i", $timestamp);
986 } else if (date("Y", $timestamp) == date("Y", time() +
$tz_offset)) {
987 $format = get_pref('SHORT_DATE_FORMAT', $owner_uid);
988 return date($format, $timestamp);
990 $format = get_pref('LONG_DATE_FORMAT', $owner_uid);
991 return date($format, $timestamp);
995 function sql_bool_to_bool($s) {
996 return $s && ($s !== "f" && $s !== "false"); //no-op for PDO, backwards compat for legacy layer
999 function bool_to_sql_bool($s) {
1003 // Session caching removed due to causing wrong redirects to upgrade
1004 // script when get_schema_version() is called on an obsolete session
1005 // created on a previous schema version.
1006 function get_schema_version($nocache = false) {
1007 global $schema_version;
1011 if (!$schema_version && !$nocache) {
1012 $row = $pdo->query("SELECT schema_version FROM ttrss_version")->fetch();
1013 $version = $row["schema_version"];
1014 $schema_version = $version;
1017 return $schema_version;
1021 function sanity_check() {
1022 require_once 'errors.php';
1026 $schema_version = get_schema_version(true);
1028 if ($schema_version != SCHEMA_VERSION
) {
1032 return array("code" => $error_code, "message" => $ERRORS[$error_code]);
1035 function file_is_locked($filename) {
1036 if (file_exists(LOCK_DIRECTORY
. "/$filename")) {
1037 if (function_exists('flock')) {
1038 $fp = @fopen
(LOCK_DIRECTORY
. "/$filename", "r");
1040 if (flock($fp, LOCK_EX | LOCK_NB
)) {
1041 flock($fp, LOCK_UN
);
1051 return true; // consider the file always locked and skip the test
1058 function make_lockfile($filename) {
1059 $fp = fopen(LOCK_DIRECTORY
. "/$filename", "w");
1061 if ($fp && flock($fp, LOCK_EX | LOCK_NB
)) {
1062 $stat_h = fstat($fp);
1063 $stat_f = stat(LOCK_DIRECTORY
. "/$filename");
1065 if (strtoupper(substr(PHP_OS
, 0, 3)) !== 'WIN') {
1066 if ($stat_h["ino"] != $stat_f["ino"] ||
1067 $stat_h["dev"] != $stat_f["dev"]) {
1073 if (function_exists('posix_getpid')) {
1074 fwrite($fp, posix_getpid() . "\n");
1082 function make_stampfile($filename) {
1083 $fp = fopen(LOCK_DIRECTORY
. "/$filename", "w");
1085 if (flock($fp, LOCK_EX | LOCK_NB
)) {
1086 fwrite($fp, time() . "\n");
1087 flock($fp, LOCK_UN
);
1095 function sql_random_function() {
1096 if (DB_TYPE
== "mysql") {
1103 function getFeedUnread($feed, $is_cat = false) {
1104 return Feeds
::getFeedArticles($feed, $is_cat, true, $_SESSION["uid"]);
1107 function checkbox_to_sql_bool($val) {
1108 return ($val == "on") ?
1 : 0;
1111 function uniqid_short() {
1112 return uniqid(base_convert(rand(), 10, 36));
1115 function make_init_params() {
1118 foreach (array("ON_CATCHUP_SHOW_NEXT_FEED", "HIDE_READ_FEEDS",
1119 "ENABLE_FEED_CATS", "FEEDS_SORT_BY_UNREAD", "CONFIRM_FEED_CATCHUP",
1120 "CDM_AUTO_CATCHUP", "FRESH_ARTICLE_MAX_AGE",
1121 "HIDE_READ_SHOWS_SPECIAL", "COMBINED_DISPLAY_MODE") as $param) {
1123 $params[strtolower($param)] = (int) get_pref($param);
1126 $params["icons_url"] = ICONS_URL
;
1127 $params["cookie_lifetime"] = SESSION_COOKIE_LIFETIME
;
1128 $params["default_view_mode"] = get_pref("_DEFAULT_VIEW_MODE");
1129 $params["default_view_limit"] = (int) get_pref("_DEFAULT_VIEW_LIMIT");
1130 $params["default_view_order_by"] = get_pref("_DEFAULT_VIEW_ORDER_BY");
1131 $params["bw_limit"] = (int) $_SESSION["bw_limit"];
1132 $params["is_default_pw"] = Pref_Prefs
::isdefaultpassword();
1133 $params["label_base_index"] = (int) LABEL_BASE_INDEX
;
1135 $theme = get_pref( "USER_CSS_THEME", false, false);
1136 $params["theme"] = theme_valid("$theme") ?
$theme : "";
1138 $params["plugins"] = implode(", ", PluginHost
::getInstance()->get_plugin_names());
1140 $params["php_platform"] = PHP_OS
;
1141 $params["php_version"] = PHP_VERSION
;
1143 $params["sanity_checksum"] = sha1(file_get_contents("include/sanity_check.php"));
1147 $sth = $pdo->prepare("SELECT MAX(id) AS mid, COUNT(*) AS nf FROM
1148 ttrss_feeds WHERE owner_uid = ?");
1149 $sth->execute([$_SESSION['uid']]);
1150 $row = $sth->fetch();
1152 $max_feed_id = $row["mid"];
1153 $num_feeds = $row["nf"];
1155 $params["max_feed_id"] = (int) $max_feed_id;
1156 $params["num_feeds"] = (int) $num_feeds;
1158 $params["hotkeys"] = get_hotkeys_map();
1160 $params["csrf_token"] = $_SESSION["csrf_token"];
1161 $params["widescreen"] = (int) $_COOKIE["ttrss_widescreen"];
1163 $params['simple_update'] = defined('SIMPLE_UPDATE_MODE') && SIMPLE_UPDATE_MODE
;
1165 $params["icon_alert"] = base64_img("images/alert.png");
1166 $params["icon_information"] = base64_img("images/information.png");
1167 $params["icon_cross"] = base64_img("images/cross.png");
1168 $params["icon_indicator_white"] = base64_img("images/indicator_white.gif");
1170 $params["labels"] = Labels
::get_all_labels($_SESSION["uid"]);
1175 function get_hotkeys_info() {
1177 __("Navigation") => array(
1178 "next_feed" => __("Open next feed"),
1179 "prev_feed" => __("Open previous feed"),
1180 "next_article" => __("Open next article"),
1181 "prev_article" => __("Open previous article"),
1182 "next_article_noscroll" => __("Open next article (don't scroll long articles)"),
1183 "prev_article_noscroll" => __("Open previous article (don't scroll long articles)"),
1184 "next_article_noexpand" => __("Move to next article (don't expand or mark read)"),
1185 "prev_article_noexpand" => __("Move to previous article (don't expand or mark read)"),
1186 "search_dialog" => __("Show search dialog")),
1187 __("Article") => array(
1188 "toggle_mark" => __("Toggle starred"),
1189 "toggle_publ" => __("Toggle published"),
1190 "toggle_unread" => __("Toggle unread"),
1191 "edit_tags" => __("Edit tags"),
1192 "open_in_new_window" => __("Open in new window"),
1193 "catchup_below" => __("Mark below as read"),
1194 "catchup_above" => __("Mark above as read"),
1195 "article_scroll_down" => __("Scroll down"),
1196 "article_scroll_up" => __("Scroll up"),
1197 "select_article_cursor" => __("Select article under cursor"),
1198 "email_article" => __("Email article"),
1199 "close_article" => __("Close/collapse article"),
1200 "toggle_expand" => __("Toggle article expansion (combined mode)"),
1201 "toggle_widescreen" => __("Toggle widescreen mode"),
1202 "toggle_embed_original" => __("Toggle embed original")),
1203 __("Article selection") => array(
1204 "select_all" => __("Select all articles"),
1205 "select_unread" => __("Select unread"),
1206 "select_marked" => __("Select starred"),
1207 "select_published" => __("Select published"),
1208 "select_invert" => __("Invert selection"),
1209 "select_none" => __("Deselect everything")),
1210 __("Feed") => array(
1211 "feed_refresh" => __("Refresh current feed"),
1212 "feed_unhide_read" => __("Un/hide read feeds"),
1213 "feed_subscribe" => __("Subscribe to feed"),
1214 "feed_edit" => __("Edit feed"),
1215 "feed_catchup" => __("Mark as read"),
1216 "feed_reverse" => __("Reverse headlines"),
1217 "feed_toggle_vgroup" => __("Toggle headline grouping"),
1218 "feed_debug_update" => __("Debug feed update"),
1219 "feed_debug_viewfeed" => __("Debug viewfeed()"),
1220 "catchup_all" => __("Mark all feeds as read"),
1221 "cat_toggle_collapse" => __("Un/collapse current category"),
1222 "toggle_combined_mode" => __("Toggle combined mode"),
1223 "toggle_cdm_expanded" => __("Toggle auto expand in combined mode")),
1224 __("Go to") => array(
1225 "goto_all" => __("All articles"),
1226 "goto_fresh" => __("Fresh"),
1227 "goto_marked" => __("Starred"),
1228 "goto_published" => __("Published"),
1229 "goto_tagcloud" => __("Tag cloud"),
1230 "goto_prefs" => __("Preferences")),
1231 __("Other") => array(
1232 "create_label" => __("Create label"),
1233 "create_filter" => __("Create filter"),
1234 "collapse_sidebar" => __("Un/collapse sidebar"),
1235 "help_dialog" => __("Show help dialog"))
1238 foreach (PluginHost
::getInstance()->get_hooks(PluginHost
::HOOK_HOTKEY_INFO
) as $plugin) {
1239 $hotkeys = $plugin->hook_hotkey_info($hotkeys);
1245 function get_hotkeys_map() {
1247 // "navigation" => array(
1250 "n" => "next_article",
1251 "p" => "prev_article",
1252 "(38)|up" => "prev_article",
1253 "(40)|down" => "next_article",
1254 // "^(38)|Ctrl-up" => "prev_article_noscroll",
1255 // "^(40)|Ctrl-down" => "next_article_noscroll",
1256 "(191)|/" => "search_dialog",
1257 // "article" => array(
1258 "s" => "toggle_mark",
1259 "*s" => "toggle_publ",
1260 "u" => "toggle_unread",
1261 "*t" => "edit_tags",
1262 "o" => "open_in_new_window",
1263 "c p" => "catchup_below",
1264 "c n" => "catchup_above",
1265 "*n" => "article_scroll_down",
1266 "*p" => "article_scroll_up",
1267 "*(38)|Shift+up" => "article_scroll_up",
1268 "*(40)|Shift+down" => "article_scroll_down",
1269 "a *w" => "toggle_widescreen",
1270 "a e" => "toggle_embed_original",
1271 "e" => "email_article",
1272 "a q" => "close_article",
1273 // "article_selection" => array(
1274 "a a" => "select_all",
1275 "a u" => "select_unread",
1276 "a *u" => "select_marked",
1277 "a p" => "select_published",
1278 "a i" => "select_invert",
1279 "a n" => "select_none",
1281 "f r" => "feed_refresh",
1282 "f a" => "feed_unhide_read",
1283 "f s" => "feed_subscribe",
1284 "f e" => "feed_edit",
1285 "f q" => "feed_catchup",
1286 "f x" => "feed_reverse",
1287 "f g" => "feed_toggle_vgroup",
1288 "f *d" => "feed_debug_update",
1289 "f *g" => "feed_debug_viewfeed",
1290 "f *c" => "toggle_combined_mode",
1291 "f c" => "toggle_cdm_expanded",
1292 "*q" => "catchup_all",
1293 "x" => "cat_toggle_collapse",
1295 "g a" => "goto_all",
1296 "g f" => "goto_fresh",
1297 "g s" => "goto_marked",
1298 "g p" => "goto_published",
1299 "g t" => "goto_tagcloud",
1300 "g *p" => "goto_prefs",
1301 // "other" => array(
1302 "(9)|Tab" => "select_article_cursor", // tab
1303 "c l" => "create_label",
1304 "c f" => "create_filter",
1305 "c s" => "collapse_sidebar",
1306 "^(191)|Ctrl+/" => "help_dialog",
1309 if (get_pref('COMBINED_DISPLAY_MODE')) {
1310 $hotkeys["^(38)|Ctrl-up"] = "prev_article_noscroll";
1311 $hotkeys["^(40)|Ctrl-down"] = "next_article_noscroll";
1314 foreach (PluginHost
::getInstance()->get_hooks(PluginHost
::HOOK_HOTKEY_MAP
) as $plugin) {
1315 $hotkeys = $plugin->hook_hotkey_map($hotkeys);
1318 $prefixes = array();
1320 foreach (array_keys($hotkeys) as $hotkey) {
1321 $pair = explode(" ", $hotkey, 2);
1323 if (count($pair) > 1 && !in_array($pair[0], $prefixes)) {
1324 array_push($prefixes, $pair[0]);
1328 return array($prefixes, $hotkeys);
1331 function check_for_update() {
1332 if (defined("GIT_VERSION_TIMESTAMP")) {
1333 $content = @fetch_file_contents
(array("url" => "http://tt-rss.org/version.json", "timeout" => 5));
1336 $content = json_decode($content, true);
1338 if ($content && isset($content["changeset"])) {
1339 if ((int)GIT_VERSION_TIMESTAMP
< (int)$content["changeset"]["timestamp"] &&
1340 GIT_VERSION_HEAD
!= $content["changeset"]["id"]) {
1342 return $content["changeset"]["id"];
1351 function make_runtime_info($disable_update_check = false) {
1356 $sth = $pdo->prepare("SELECT MAX(id) AS mid, COUNT(*) AS nf FROM
1357 ttrss_feeds WHERE owner_uid = ?");
1358 $sth->execute([$_SESSION['uid']]);
1359 $row = $sth->fetch();
1361 $max_feed_id = $row['mid'];
1362 $num_feeds = $row['nf'];
1364 $data["max_feed_id"] = (int) $max_feed_id;
1365 $data["num_feeds"] = (int) $num_feeds;
1367 $data['last_article_id'] = Article
::getLastArticleId();
1368 $data['cdm_expanded'] = get_pref('CDM_EXPANDED');
1370 $data['dep_ts'] = calculate_dep_timestamp();
1371 $data['reload_on_ts_change'] = !defined('_NO_RELOAD_ON_TS_CHANGE');
1373 $data["labels"] = Labels
::get_all_labels($_SESSION["uid"]);
1375 if (CHECK_FOR_UPDATES
&& !$disable_update_check && $_SESSION["last_version_check"] +
86400 +
rand(-1000, 1000) < time()) {
1376 $update_result = @check_for_update
();
1378 $data["update_result"] = $update_result;
1380 $_SESSION["last_version_check"] = time();
1383 if (file_exists(LOCK_DIRECTORY
. "/update_daemon.lock")) {
1385 $data['daemon_is_running'] = (int) file_is_locked("update_daemon.lock");
1387 if (time() - $_SESSION["daemon_stamp_check"] > 30) {
1389 $stamp = (int) @file_get_contents
(LOCK_DIRECTORY
. "/update_daemon.stamp");
1392 $stamp_delta = time() - $stamp;
1394 if ($stamp_delta > 1800) {
1398 $_SESSION["daemon_stamp_check"] = time();
1401 $data['daemon_stamp_ok'] = $stamp_check;
1403 $stamp_fmt = date("Y.m.d, G:i", $stamp);
1405 $data['daemon_stamp'] = $stamp_fmt;
1413 function search_to_sql($search, $search_language) {
1415 $keywords = str_getcsv(trim($search), " ");
1416 $query_keywords = array();
1417 $search_words = array();
1418 $search_query_leftover = array();
1422 if ($search_language)
1423 $search_language = $pdo->quote(mb_strtolower($search_language));
1425 $search_language = $pdo->quote("english");
1427 foreach ($keywords as $k) {
1428 if (strpos($k, "-") === 0) {
1435 $commandpair = explode(":", mb_strtolower($k), 2);
1437 switch ($commandpair[0]) {
1439 if ($commandpair[1]) {
1440 array_push($query_keywords, "($not (LOWER(ttrss_entries.title) LIKE ".
1441 $pdo->quote('%' . mb_strtolower($commandpair[1]) . '%') ."))");
1443 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
1444 OR UPPER(ttrss_entries.content) $not LIKE UPPER(".$pdo->quote("%$k%")."))");
1445 array_push($search_words, $k);
1449 if ($commandpair[1]) {
1450 array_push($query_keywords, "($not (LOWER(author) LIKE ".
1451 $pdo->quote('%' . mb_strtolower($commandpair[1]) . '%')."))");
1453 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
1454 OR UPPER(ttrss_entries.content) $not LIKE UPPER(".$pdo->quote("%$k%")."))");
1455 array_push($search_words, $k);
1459 if ($commandpair[1]) {
1460 if ($commandpair[1] == "true")
1461 array_push($query_keywords, "($not (note IS NOT NULL AND note != ''))");
1462 else if ($commandpair[1] == "false")
1463 array_push($query_keywords, "($not (note IS NULL OR note = ''))");
1465 array_push($query_keywords, "($not (LOWER(note) LIKE ".
1466 $pdo->quote('%' . mb_strtolower($commandpair[1]) . '%')."))");
1468 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER(".$pdo->quote("%$k%").")
1469 OR UPPER(ttrss_entries.content) $not LIKE UPPER(".$pdo->quote("%$k%")."))");
1470 if (!$not) array_push($search_words, $k);
1475 if ($commandpair[1]) {
1476 if ($commandpair[1] == "true")
1477 array_push($query_keywords, "($not (marked = true))");
1479 array_push($query_keywords, "($not (marked = false))");
1481 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER(".$pdo->quote("%$k%").")
1482 OR UPPER(ttrss_entries.content) $not LIKE UPPER(".$pdo->quote("%$k%")."))");
1483 if (!$not) array_push($search_words, $k);
1487 if ($commandpair[1]) {
1488 if ($commandpair[1] == "true")
1489 array_push($query_keywords, "($not (published = true))");
1491 array_push($query_keywords, "($not (published = false))");
1494 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
1495 OR UPPER(ttrss_entries.content) $not LIKE UPPER(".$pdo->quote("%$k%")."))");
1496 if (!$not) array_push($search_words, $k);
1500 if ($commandpair[1]) {
1501 if ($commandpair[1] == "true")
1502 array_push($query_keywords, "($not (unread = true))");
1504 array_push($query_keywords, "($not (unread = false))");
1507 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER(".$pdo->quote("%$k%").")
1508 OR UPPER(ttrss_entries.content) $not LIKE UPPER(".$pdo->quote("%$k%")."))");
1509 if (!$not) array_push($search_words, $k);
1513 if (strpos($k, "@") === 0) {
1515 $user_tz_string = get_pref('USER_TIMEZONE', $_SESSION['uid']);
1516 $orig_ts = strtotime(substr($k, 1));
1517 $k = date("Y-m-d", convert_timestamp($orig_ts, $user_tz_string, 'UTC'));
1519 //$k = date("Y-m-d", strtotime(substr($k, 1)));
1521 array_push($query_keywords, "(".SUBSTRING_FOR_DATE
."(updated,1,LENGTH('$k')) $not = '$k')");
1524 if (DB_TYPE
== "pgsql") {
1525 $k = mb_strtolower($k);
1526 array_push($search_query_leftover, $not ?
"!$k" : $k);
1528 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER(".$pdo->quote("%$k%").")
1529 OR UPPER(ttrss_entries.content) $not LIKE UPPER(".$pdo->quote("%$k%")."))");
1532 if (!$not) array_push($search_words, $k);
1537 if (count($search_query_leftover) > 0) {
1538 $search_query_leftover = $pdo->quote(implode(" & ", $search_query_leftover));
1540 if (DB_TYPE
== "pgsql") {
1541 array_push($query_keywords,
1542 "(tsvector_combined @@ to_tsquery($search_language, $search_query_leftover))");
1547 $search_query_part = implode("AND", $query_keywords);
1549 return array($search_query_part, $search_words);
1552 function iframe_whitelisted($entry) {
1553 $whitelist = array("youtube.com", "youtu.be", "vimeo.com", "player.vimeo.com");
1555 @$src = parse_url($entry->getAttribute("src"), PHP_URL_HOST
);
1558 foreach ($whitelist as $w) {
1559 if ($src == $w ||
$src == "www.$w")
1567 function sanitize($str, $force_remove_images = false, $owner = false, $site_url = false, $highlight_words = false, $article_id = false) {
1568 if (!$owner) $owner = $_SESSION["uid"];
1570 $res = trim($str); if (!$res) return '';
1572 $charset_hack = '<head>
1573 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
1576 $res = trim($res); if (!$res) return '';
1578 libxml_use_internal_errors(true);
1580 $doc = new DOMDocument();
1581 $doc->loadHTML($charset_hack . $res);
1582 $xpath = new DOMXPath($doc);
1584 $rewrite_base_url = $site_url ?
$site_url : get_self_url_prefix();
1586 $entries = $xpath->query('(//a[@href]|//img[@src]|//video/source[@src]|//audio/source[@src])');
1588 foreach ($entries as $entry) {
1590 if ($entry->hasAttribute('href')) {
1591 $entry->setAttribute('href',
1592 rewrite_relative_url($rewrite_base_url, $entry->getAttribute('href')));
1594 $entry->setAttribute('rel', 'noopener noreferrer');
1597 if ($entry->hasAttribute('src')) {
1598 $src = rewrite_relative_url($rewrite_base_url, $entry->getAttribute('src'));
1599 $cached_filename = CACHE_DIR
. '/images/' . sha1($src);
1601 if (file_exists($cached_filename)) {
1603 // this is strictly cosmetic
1604 if ($entry->tagName
== 'img') {
1606 } else if ($entry->parentNode
&& $entry->parentNode
->tagName
== "video") {
1608 } else if ($entry->parentNode
&& $entry->parentNode
->tagName
== "audio") {
1614 $src = get_self_url_prefix() . '/public.php?op=cached_url&hash=' . sha1($src) . $suffix;
1616 if ($entry->hasAttribute('srcset')) {
1617 $entry->removeAttribute('srcset');
1620 if ($entry->hasAttribute('sizes')) {
1621 $entry->removeAttribute('sizes');
1625 $entry->setAttribute('src', $src);
1628 if ($entry->nodeName
== 'img') {
1629 $entry->setAttribute('referrerpolicy', 'no-referrer');
1631 $entry->removeAttribute('width');
1632 $entry->removeAttribute('height');
1634 if ($entry->hasAttribute('src')) {
1635 $is_https_url = parse_url($entry->getAttribute('src'), PHP_URL_SCHEME
) === 'https';
1637 if (is_prefix_https() && !$is_https_url) {
1639 if ($entry->hasAttribute('srcset')) {
1640 $entry->removeAttribute('srcset');
1643 if ($entry->hasAttribute('sizes')) {
1644 $entry->removeAttribute('sizes');
1649 if (($owner && get_pref("STRIP_IMAGES", $owner)) ||
1650 $force_remove_images ||
$_SESSION["bw_limit"]) {
1652 $p = $doc->createElement('p');
1654 $a = $doc->createElement('a');
1655 $a->setAttribute('href', $entry->getAttribute('src'));
1657 $a->appendChild(new DOMText($entry->getAttribute('src')));
1658 $a->setAttribute('target', '_blank');
1659 $a->setAttribute('rel', 'noopener noreferrer');
1661 $p->appendChild($a);
1663 $entry->parentNode
->replaceChild($p, $entry);
1667 if (strtolower($entry->nodeName
) == "a") {
1668 $entry->setAttribute("target", "_blank");
1669 $entry->setAttribute("rel", "noopener noreferrer");
1673 $entries = $xpath->query('//iframe');
1674 foreach ($entries as $entry) {
1675 if (!iframe_whitelisted($entry)) {
1676 $entry->setAttribute('sandbox', 'allow-scripts');
1678 if (is_prefix_https()) {
1679 $entry->setAttribute("src",
1680 str_replace("http://", "https://",
1681 $entry->getAttribute("src")));
1686 $allowed_elements = array('a', 'abbr', 'address', 'acronym', 'audio', 'article', 'aside',
1687 'b', 'bdi', 'bdo', 'big', 'blockquote', 'body', 'br',
1688 'caption', 'cite', 'center', 'code', 'col', 'colgroup',
1689 'data', 'dd', 'del', 'details', 'description', 'dfn', 'div', 'dl', 'font',
1690 'dt', 'em', 'footer', 'figure', 'figcaption',
1691 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'header', 'hr', 'html', 'i',
1692 'img', 'ins', 'kbd', 'li', 'main', 'mark', 'nav', 'noscript',
1693 'ol', 'p', 'pre', 'q', 'ruby', 'rp', 'rt', 's', 'samp', 'section',
1694 'small', 'source', 'span', 'strike', 'strong', 'sub', 'summary',
1695 'sup', 'table', 'tbody', 'td', 'tfoot', 'th', 'thead', 'time',
1696 'tr', 'track', 'tt', 'u', 'ul', 'var', 'wbr', 'video', 'xml:namespace' );
1698 if ($_SESSION['hasSandbox']) $allowed_elements[] = 'iframe';
1700 $disallowed_attributes = array('id', 'style', 'class');
1702 foreach (PluginHost
::getInstance()->get_hooks(PluginHost
::HOOK_SANITIZE
) as $plugin) {
1703 $retval = $plugin->hook_sanitize($doc, $site_url, $allowed_elements, $disallowed_attributes, $article_id);
1704 if (is_array($retval)) {
1706 $allowed_elements = $retval[1];
1707 $disallowed_attributes = $retval[2];
1713 $doc->removeChild($doc->firstChild
); //remove doctype
1714 $doc = strip_harmful_tags($doc, $allowed_elements, $disallowed_attributes);
1716 if ($highlight_words) {
1717 foreach ($highlight_words as $word) {
1719 // http://stackoverflow.com/questions/4081372/highlight-keywords-in-a-paragraph
1721 $elements = $xpath->query("//*/text()");
1723 foreach ($elements as $child) {
1725 $fragment = $doc->createDocumentFragment();
1726 $text = $child->textContent
;
1728 while (($pos = mb_stripos($text, $word)) !== false) {
1729 $fragment->appendChild(new DomText(mb_substr($text, 0, $pos)));
1730 $word = mb_substr($text, $pos, mb_strlen($word));
1731 $highlight = $doc->createElement('span');
1732 $highlight->appendChild(new DomText($word));
1733 $highlight->setAttribute('class', 'highlight');
1734 $fragment->appendChild($highlight);
1735 $text = mb_substr($text, $pos +
mb_strlen($word));
1738 if (!empty($text)) $fragment->appendChild(new DomText($text));
1740 $child->parentNode
->replaceChild($fragment, $child);
1745 $res = $doc->saveHTML();
1747 /* strip everything outside of <body>...</body> */
1749 $res_frag = array();
1750 if (preg_match('/<body>(.*)<\/body>/is', $res, $res_frag)) {
1751 return $res_frag[1];
1757 function strip_harmful_tags($doc, $allowed_elements, $disallowed_attributes) {
1758 $xpath = new DOMXPath($doc);
1759 $entries = $xpath->query('//*');
1761 foreach ($entries as $entry) {
1762 if (!in_array($entry->nodeName
, $allowed_elements)) {
1763 $entry->parentNode
->removeChild($entry);
1766 if ($entry->hasAttributes()) {
1767 $attrs_to_remove = array();
1769 foreach ($entry->attributes
as $attr) {
1771 if (strpos($attr->nodeName
, 'on') === 0) {
1772 array_push($attrs_to_remove, $attr);
1775 if ($attr->nodeName
== 'href' && stripos($attr->value
, 'javascript:') === 0) {
1776 array_push($attrs_to_remove, $attr);
1779 if (in_array($attr->nodeName
, $disallowed_attributes)) {
1780 array_push($attrs_to_remove, $attr);
1784 foreach ($attrs_to_remove as $attr) {
1785 $entry->removeAttributeNode($attr);
1793 function trim_array($array) {
1795 array_walk($tmp, 'trim');
1799 function tag_is_valid($tag) {
1800 if (!$tag ||
is_numeric($tag) ||
mb_strlen($tag) > 250)
1806 function render_login_form() {
1807 header('Cache-Control: public');
1809 require_once "login_form.php";
1813 function T_sprintf() {
1814 $args = func_get_args();
1815 return vsprintf(__(array_shift($args)), $args);
1818 function print_checkpoint($n, $s) {
1819 $ts = microtime(true);
1820 echo sprintf("<!-- CP[$n] %.4f seconds -->\n", $ts - $s);
1824 function sanitize_tag($tag) {
1827 $tag = mb_strtolower($tag, 'utf-8');
1829 $tag = preg_replace('/[,\'\"\+\>\<]/', "", $tag);
1831 if (DB_TYPE
== "mysql") {
1832 $tag = preg_replace('/[\x{10000}-\x{10FFFF}]/u', "\xEF\xBF\xBD", $tag);
1838 function is_server_https() {
1839 return (!empty($_SERVER['HTTPS']) && ($_SERVER['HTTPS'] != 'off')) ||
$_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https';
1842 function is_prefix_https() {
1843 return parse_url(SELF_URL_PATH
, PHP_URL_SCHEME
) == 'https';
1846 // this returns SELF_URL_PATH sans ending slash
1847 function get_self_url_prefix() {
1848 if (strrpos(SELF_URL_PATH
, "/") === strlen(SELF_URL_PATH
)-1) {
1849 return substr(SELF_URL_PATH
, 0, strlen(SELF_URL_PATH
)-1);
1851 return SELF_URL_PATH
;
1855 function encrypt_password($pass, $salt = '', $mode2 = false) {
1856 if ($salt && $mode2) {
1857 return "MODE2:" . hash('sha256', $salt . $pass);
1859 return "SHA1X:" . sha1("$salt:$pass");
1861 return "SHA1:" . sha1($pass);
1863 } // function encrypt_password
1865 function load_filters($feed_id, $owner_uid) {
1868 $feed_id = (int) $feed_id;
1869 $cat_id = (int)Feeds
::getFeedCategory($feed_id);
1872 $null_cat_qpart = "cat_id IS NULL OR";
1874 $null_cat_qpart = "";
1878 $sth = $pdo->prepare("SELECT * FROM ttrss_filters2 WHERE
1879 owner_uid = ? AND enabled = true ORDER BY order_id, title");
1880 $sth->execute([$owner_uid]);
1882 $check_cats = array_merge(
1883 Feeds
::getParentCategories($cat_id, $owner_uid),
1886 $check_cats_str = join(",", $check_cats);
1887 $check_cats_fullids = array_map(function($a) { return "CAT:$a"; }, $check_cats);
1889 while ($line = $sth->fetch()) {
1890 $filter_id = $line["id"];
1892 $match_any_rule = sql_bool_to_bool($line["match_any_rule"]);
1894 $sth2 = $pdo->prepare("SELECT
1895 r.reg_exp, r.inverse, r.feed_id, r.cat_id, r.cat_filter, r.match_on, t.name AS type_name
1896 FROM ttrss_filters2_rules AS r,
1897 ttrss_filter_types AS t
1899 (match_on IS NOT NULL OR
1900 (($null_cat_qpart (cat_id IS NULL AND cat_filter = false) OR cat_id IN ($check_cats_str)) AND
1901 (feed_id IS NULL OR feed_id = ?))) AND
1902 filter_type = t.id AND filter_id = ?");
1903 $sth2->execute([$feed_id, $filter_id]);
1908 while ($rule_line = $sth2->fetch()) {
1909 # print_r($rule_line);
1911 if ($rule_line["match_on"]) {
1912 $match_on = json_decode($rule_line["match_on"], true);
1914 if (in_array("0", $match_on) ||
in_array($feed_id, $match_on) ||
count(array_intersect($check_cats_fullids, $match_on)) > 0) {
1917 $rule["reg_exp"] = $rule_line["reg_exp"];
1918 $rule["type"] = $rule_line["type_name"];
1919 $rule["inverse"] = sql_bool_to_bool($rule_line["inverse"]);
1921 array_push($rules, $rule);
1922 } else if (!$match_any_rule) {
1923 // this filter contains a rule that doesn't match to this feed/category combination
1924 // thus filter has to be rejected
1933 $rule["reg_exp"] = $rule_line["reg_exp"];
1934 $rule["type"] = $rule_line["type_name"];
1935 $rule["inverse"] = sql_bool_to_bool($rule_line["inverse"]);
1937 array_push($rules, $rule);
1941 if (count($rules) > 0) {
1942 $sth2 = $pdo->prepare("SELECT a.action_param,t.name AS type_name
1943 FROM ttrss_filters2_actions AS a,
1944 ttrss_filter_actions AS t
1946 action_id = t.id AND filter_id = ?");
1947 $sth2->execute([$filter_id]);
1949 while ($action_line = $sth2->fetch()) {
1950 # print_r($action_line);
1953 $action["type"] = $action_line["type_name"];
1954 $action["param"] = $action_line["action_param"];
1956 array_push($actions, $action);
1961 $filter["match_any_rule"] = sql_bool_to_bool($line["match_any_rule"]);
1962 $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
1963 $filter["rules"] = $rules;
1964 $filter["actions"] = $actions;
1966 if (count($rules) > 0 && count($actions) > 0) {
1967 array_push($filters, $filter);
1974 function get_score_pic($score) {
1976 return "score_high.png";
1977 } else if ($score > 0) {
1978 return "score_half_high.png";
1979 } else if ($score < -100) {
1980 return "score_low.png";
1981 } else if ($score < 0) {
1982 return "score_half_low.png";
1984 return "score_neutral.png";
1988 function init_plugins() {
1989 PluginHost
::getInstance()->load(PLUGINS
, PluginHost
::KIND_ALL
);
1994 function add_feed_category($feed_cat, $parent_cat_id = false) {
1996 if (!$feed_cat) return false;
1998 $feed_cat = mb_substr($feed_cat, 0, 250);
1999 if (!$parent_cat_id) $parent_cat_id = null;
2002 $tr_in_progress = false;
2005 $pdo->beginTransaction();
2006 } catch (Exception
$e) {
2007 $tr_in_progress = true;
2010 $sth = $pdo->prepare("SELECT id FROM ttrss_feed_categories
2011 WHERE (parent_cat = :parent OR (:parent IS NULL AND parent_cat IS NULL))
2012 AND title = :title AND owner_uid = :uid");
2013 $sth->execute([':parent' => $parent_cat_id, ':title' => $feed_cat, ':uid' => $_SESSION['uid']]);
2015 if (!$sth->fetch()) {
2017 $sth = $pdo->prepare("INSERT INTO ttrss_feed_categories (owner_uid,title,parent_cat)
2019 $sth->execute([$_SESSION['uid'], $feed_cat, $parent_cat_id]);
2021 if (!$tr_in_progress) $pdo->commit();
2032 * Fixes incomplete URLs by prepending "http://".
2033 * Also replaces feed:// with http://, and
2034 * prepends a trailing slash if the url is a domain name only.
2036 * @param string $url Possibly incomplete URL
2038 * @return string Fixed URL.
2040 function fix_url($url) {
2042 // support schema-less urls
2043 if (strpos($url, '//') === 0) {
2044 $url = 'https:' . $url;
2047 if (strpos($url, '://') === false) {
2048 $url = 'http://' . $url;
2049 } else if (substr($url, 0, 5) == 'feed:') {
2050 $url = 'http:' . substr($url, 5);
2053 //prepend slash if the URL has no slash in it
2054 // "http://www.example" -> "http://www.example/"
2055 if (strpos($url, '/', strpos($url, ':') +
3) === false) {
2059 //convert IDNA hostname to punycode if possible
2060 if (function_exists("idn_to_ascii")) {
2061 $parts = parse_url($url);
2062 if (mb_detect_encoding($parts['host']) != 'ASCII')
2064 $parts['host'] = idn_to_ascii($parts['host']);
2065 $url = build_url($parts);
2069 if ($url != "http:///")
2075 function validate_feed_url($url) {
2076 $parts = parse_url($url);
2078 return ($parts['scheme'] == 'http' ||
$parts['scheme'] == 'feed' ||
$parts['scheme'] == 'https');
2082 /* function save_email_address($email) {
2083 // FIXME: implement persistent storage of emails
2085 if (!$_SESSION['stored_emails'])
2086 $_SESSION['stored_emails'] = array();
2088 if (!in_array($email, $_SESSION['stored_emails']))
2089 array_push($_SESSION['stored_emails'], $email);
2093 function get_feed_access_key($feed_id, $is_cat, $owner_uid = false) {
2095 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2097 $is_cat = bool_to_sql_bool($is_cat);
2101 $sth = $pdo->prepare("SELECT access_key FROM ttrss_access_keys
2102 WHERE feed_id = ? AND is_cat = ?
2103 AND owner_uid = ?");
2104 $sth->execute([$feed_id, (int)$is_cat, $owner_uid]);
2106 if ($row = $sth->fetch()) {
2107 return $row["access_key"];
2109 $key = uniqid_short();
2111 $sth = $pdo->prepare("INSERT INTO ttrss_access_keys
2112 (access_key, feed_id, is_cat, owner_uid)
2113 VALUES (?, ?, ?, ?)");
2115 $sth->execute([$key, $feed_id, (int)$is_cat, $owner_uid]);
2121 function get_feeds_from_html($url, $content)
2123 $url = fix_url($url);
2124 $baseUrl = substr($url, 0, strrpos($url, '/') +
1);
2126 libxml_use_internal_errors(true);
2128 $doc = new DOMDocument();
2129 $doc->loadHTML($content);
2130 $xpath = new DOMXPath($doc);
2131 $entries = $xpath->query('/html/head/link[@rel="alternate" and '.
2132 '(contains(@type,"rss") or contains(@type,"atom"))]|/html/head/link[@rel="feed"]');
2133 $feedUrls = array();
2134 foreach ($entries as $entry) {
2135 if ($entry->hasAttribute('href')) {
2136 $title = $entry->getAttribute('title');
2138 $title = $entry->getAttribute('type');
2140 $feedUrl = rewrite_relative_url(
2141 $baseUrl, $entry->getAttribute('href')
2143 $feedUrls[$feedUrl] = $title;
2149 function is_html($content) {
2150 return preg_match("/<html|DOCTYPE html/i", substr($content, 0, 100)) !== 0;
2153 function url_is_html($url, $login = false, $pass = false) {
2154 return is_html(fetch_file_contents($url, false, $login, $pass));
2157 function build_url($parts) {
2158 return $parts['scheme'] . "://" . $parts['host'] . $parts['path'];
2161 function cleanup_url_path($path) {
2162 $path = str_replace("/./", "/", $path);
2163 $path = str_replace("//", "/", $path);
2169 * Converts a (possibly) relative URL to a absolute one.
2171 * @param string $url Base URL (i.e. from where the document is)
2172 * @param string $rel_url Possibly relative URL in the document
2174 * @return string Absolute URL
2176 function rewrite_relative_url($url, $rel_url) {
2177 if (strpos($rel_url, "://") !== false) {
2179 } else if (strpos($rel_url, "//") === 0) {
2180 # protocol-relative URL (rare but they exist)
2182 } else if (preg_match("/^[a-z]+:/i", $rel_url)) {
2183 # magnet:, feed:, etc
2185 } else if (strpos($rel_url, "/") === 0) {
2186 $parts = parse_url($url);
2187 $parts['path'] = $rel_url;
2188 $parts['path'] = cleanup_url_path($parts['path']);
2190 return build_url($parts);
2193 $parts = parse_url($url);
2194 if (!isset($parts['path'])) {
2195 $parts['path'] = '/';
2197 $dir = $parts['path'];
2198 if (substr($dir, -1) !== '/') {
2199 $dir = dirname($parts['path']);
2200 $dir !== '/' && $dir .= '/';
2202 $parts['path'] = $dir . $rel_url;
2203 $parts['path'] = cleanup_url_path($parts['path']);
2205 return build_url($parts);
2209 function cleanup_tags($days = 14, $limit = 1000) {
2211 $days = (int) $days;
2213 if (DB_TYPE
== "pgsql") {
2214 $interval_query = "date_updated < NOW() - INTERVAL '$days days'";
2215 } else if (DB_TYPE
== "mysql") {
2216 $interval_query = "date_updated < DATE_SUB(NOW(), INTERVAL $days DAY)";
2223 while ($limit > 0) {
2226 $sth = $pdo->prepare("SELECT ttrss_tags.id AS id
2227 FROM ttrss_tags, ttrss_user_entries, ttrss_entries
2228 WHERE post_int_id = int_id AND $interval_query AND
2229 ref_id = ttrss_entries.id AND tag_cache != '' LIMIT ?");
2230 $sth->execute([$limit]);
2234 while ($line = $sth->fetch()) {
2235 array_push($ids, $line['id']);
2238 if (count($ids) > 0) {
2239 $ids = join(",", $ids);
2241 $usth = $pdo->query("DELETE FROM ttrss_tags WHERE id IN ($ids)");
2242 $tags_deleted = $usth->rowCount();
2247 $limit -= $limit_part;
2250 return $tags_deleted;
2253 function print_user_stylesheet() {
2254 $value = get_pref('USER_STYLESHEET');
2257 print "<style type=\"text/css\">";
2258 print str_replace("<br/>", "\n", $value);
2264 function filter_to_sql($filter, $owner_uid) {
2269 if (DB_TYPE
== "pgsql")
2272 $reg_qpart = "REGEXP";
2274 foreach ($filter["rules"] AS $rule) {
2275 $rule['reg_exp'] = str_replace('/', '\/', $rule["reg_exp"]);
2276 $regexp_valid = preg_match('/' . $rule['reg_exp'] . '/',
2277 $rule['reg_exp']) !== FALSE;
2279 if ($regexp_valid) {
2281 $rule['reg_exp'] = $pdo->quote($rule['reg_exp']);
2283 switch ($rule["type"]) {
2285 $qpart = "LOWER(ttrss_entries.title) $reg_qpart LOWER('".
2286 $rule['reg_exp'] . "')";
2289 $qpart = "LOWER(ttrss_entries.content) $reg_qpart LOWER('".
2290 $rule['reg_exp'] . "')";
2293 $qpart = "LOWER(ttrss_entries.title) $reg_qpart LOWER('".
2294 $rule['reg_exp'] . "') OR LOWER(" .
2295 "ttrss_entries.content) $reg_qpart LOWER('" . $rule['reg_exp'] . "')";
2298 $qpart = "LOWER(ttrss_user_entries.tag_cache) $reg_qpart LOWER('".
2299 $rule['reg_exp'] . "')";
2302 $qpart = "LOWER(ttrss_entries.link) $reg_qpart LOWER('".
2303 $rule['reg_exp'] . "')";
2306 $qpart = "LOWER(ttrss_entries.author) $reg_qpart LOWER('".
2307 $rule['reg_exp'] . "')";
2311 if (isset($rule['inverse'])) $qpart = "NOT ($qpart)";
2313 if (isset($rule["feed_id"]) && $rule["feed_id"] > 0) {
2314 $qpart .= " AND feed_id = " . $pdo->quote($rule["feed_id"]);
2317 if (isset($rule["cat_id"])) {
2319 if ($rule["cat_id"] > 0) {
2320 $children = Feeds
::getChildCategories($rule["cat_id"], $owner_uid);
2321 array_push($children, $rule["cat_id"]);
2322 $children = array_map("intval", $children);
2324 $children = join(",", $children);
2326 $cat_qpart = "cat_id IN ($children)";
2328 $cat_qpart = "cat_id IS NULL";
2331 $qpart .= " AND $cat_qpart";
2334 $qpart .= " AND feed_id IS NOT NULL";
2336 array_push($query, "($qpart)");
2341 if (count($query) > 0) {
2342 $fullquery = "(" . join($filter["match_any_rule"] ?
"OR" : "AND", $query) . ")";
2344 $fullquery = "(false)";
2347 if ($filter['inverse']) $fullquery = "(NOT $fullquery)";
2352 if (!function_exists('gzdecode')) {
2353 function gzdecode($string) { // no support for 2nd argument
2354 return file_get_contents('compress.zlib://data:who/cares;base64,'.
2355 base64_encode($string));
2359 function get_random_bytes($length) {
2360 if (function_exists('openssl_random_pseudo_bytes')) {
2361 return openssl_random_pseudo_bytes($length);
2365 for ($i = 0; $i < $length; $i++
)
2366 $output .= chr(mt_rand(0, 255));
2372 function read_stdin() {
2373 $fp = fopen("php://stdin", "r");
2376 $line = trim(fgets($fp));
2384 function implements_interface($class, $interface) {
2385 return in_array($interface, class_implements($class));
2388 function get_minified_js($files) {
2392 foreach ($files as $js) {
2393 if (!isset($_GET['debug'])) {
2394 $cached_file = CACHE_DIR
. "/js/".basename($js);
2396 if (file_exists($cached_file) && is_readable($cached_file) && filemtime($cached_file) >= filemtime("js/$js")) {
2398 list($header, $contents) = explode("\n", file_get_contents($cached_file), 2);
2400 if ($header && $contents) {
2401 list($htag, $hversion) = explode(":", $header);
2403 if ($htag == "tt-rss" && $hversion == VERSION
) {
2410 $minified = JShrink\Minifier
::minify(file_get_contents("js/$js"));
2411 file_put_contents($cached_file, "tt-rss:" . VERSION
. "\n" . $minified);
2415 $rv .= file_get_contents("js/$js"); // no cache in debug mode
2422 function calculate_dep_timestamp() {
2423 $files = array_merge(glob("js/*.js"), glob("css/*.css"));
2427 foreach ($files as $file) {
2428 if (filemtime($file) > $max_ts) $max_ts = filemtime($file);
2434 function T_js_decl($s1, $s2) {
2436 $s1 = preg_replace("/\n/", "", $s1);
2437 $s2 = preg_replace("/\n/", "", $s2);
2439 $s1 = preg_replace("/\"/", "\\\"", $s1);
2440 $s2 = preg_replace("/\"/", "\\\"", $s2);
2442 return "T_messages[\"$s1\"] = \"$s2\";\n";
2446 function init_js_translations() {
2448 print 'var T_messages = new Object();
2451 if (T_messages[msg]) {
2452 return T_messages[msg];
2458 function ngettext(msg1, msg2, n) {
2459 return __((parseInt(n) > 1) ? msg2 : msg1);
2462 $l10n = _get_reader();
2464 for ($i = 0; $i < $l10n->total
; $i++
) {
2465 $orig = $l10n->get_original_string($i);
2466 if(strpos($orig, "\000") !== FALSE) { // Plural forms
2467 $key = explode(chr(0), $orig);
2468 print T_js_decl($key[0], _ngettext($key[0], $key[1], 1)); // Singular
2469 print T_js_decl($key[1], _ngettext($key[0], $key[1], 2)); // Plural
2471 $translation = __($orig);
2472 print T_js_decl($orig, $translation);
2477 function get_theme_path($theme) {
2478 if ($theme == "default.php")
2479 return "css/default.css";
2481 $check = "themes/$theme";
2482 if (file_exists($check)) return $check;
2484 $check = "themes.local/$theme";
2485 if (file_exists($check)) return $check;
2488 function theme_valid($theme) {
2489 $bundled_themes = [ "default.php", "night.css", "compact.css" ];
2491 if (in_array($theme, $bundled_themes)) return true;
2493 $file = "themes/" . basename($theme);
2495 if (!file_exists($file)) $file = "themes.local/" . basename($theme);
2497 if (file_exists($file) && is_readable($file)) {
2498 $fh = fopen($file, "r");
2501 $header = fgets($fh);
2504 return strpos($header, "supports-version:" . VERSION_STATIC
) !== FALSE;
2512 * @SuppressWarnings(unused)
2514 function error_json($code) {
2515 require_once "errors.php";
2517 @$message = $ERRORS[$code];
2519 return json_encode(array("error" =>
2520 array("code" => $code, "message" => $message)));
2524 /*function abs_to_rel_path($dir) {
2525 $tmp = str_replace(dirname(__DIR__), "", $dir);
2527 if (strlen($tmp) > 0 && substr($tmp, 0, 1) == "/") $tmp = substr($tmp, 1);
2532 function get_upload_error_message($code) {
2535 0 => __('There is no error, the file uploaded with success'),
2536 1 => __('The uploaded file exceeds the upload_max_filesize directive in php.ini'),
2537 2 => __('The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form'),
2538 3 => __('The uploaded file was only partially uploaded'),
2539 4 => __('No file was uploaded'),
2540 6 => __('Missing a temporary folder'),
2541 7 => __('Failed to write file to disk.'),
2542 8 => __('A PHP extension stopped the file upload.'),
2545 return $errors[$code];
2548 function base64_img($filename) {
2549 if (file_exists($filename)) {
2550 $ext = pathinfo($filename, PATHINFO_EXTENSION
);
2552 return "data:image/$ext;base64," . base64_encode(file_get_contents($filename));
2558 /* this is essentially a wrapper for readfile() which allows plugins to hook
2559 output with httpd-specific "fast" implementation i.e. X-Sendfile or whatever else
2561 hook function should return true if request was handled (or at least attempted to)
2563 note that this can be called without user context so the plugin to handle this
2564 should be loaded systemwide in config.php */
2565 function send_local_file($filename) {
2566 if (file_exists($filename)) {
2567 $tmppluginhost = new PluginHost();
2569 $tmppluginhost->load(PLUGINS
, PluginHost
::KIND_SYSTEM
);
2570 $tmppluginhost->load_data();
2572 foreach ($tmppluginhost->get_hooks(PluginHost
::HOOK_SEND_LOCAL_FILE
) as $plugin) {
2573 if ($plugin->hook_send_local_file($filename)) return true;
2576 $mimetype = mime_content_type($filename);
2577 header("Content-type: $mimetype");
2579 $stamp = gmdate("D, d M Y H:i:s", filemtime($filename)) . " GMT";
2580 header("Last-Modified: $stamp", true);
2582 return readfile($filename);
2588 function check_mysql_tables() {
2591 $sth = $pdo->prepare("SELECT engine, table_name FROM information_schema.tables WHERE
2592 table_schema = ? AND table_name LIKE 'ttrss_%' AND engine != 'InnoDB'");
2593 $sth->execute([DB_NAME
]);
2597 while ($line = $sth->fetch()) {
2598 array_push($bad_tables, $line);
2604 function validate_field($string, $allowed, $default = "") {
2605 if (in_array($string, $allowed))
2611 function arr_qmarks($arr) {
2612 return str_repeat('?,', count($arr) - 1) . '?';