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 // check for locally cached (media) URLs and rewrite to local versions
1568 // this is called separately after sanitize() and plugin render article hooks to allow
1569 // plugins work on original source URLs used before caching
1571 function rewrite_cached_urls($str) {
1572 $charset_hack = '<head>
1573 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
1576 $res = trim($str); if (!$res) return '';
1578 $doc = new DOMDocument();
1579 $doc->loadHTML($charset_hack . $res);
1580 $xpath = new DOMXPath($doc);
1582 $entries = $xpath->query('(//img[@src]|//video[@poster]|//video/source[@src]|//audio/source[@src])');
1584 $need_saving = false;
1586 foreach ($entries as $entry) {
1588 if ($entry->hasAttribute('src') ||
$entry->hasAttribute('poster')) {
1590 // should be already absolutized because this is called after sanitize()
1591 $src = $entry->hasAttribute('poster') ?
$entry->getAttribute('poster') : $entry->getAttribute('src');
1592 $cached_filename = CACHE_DIR
. '/images/' . sha1($src);
1594 if (file_exists($cached_filename)) {
1596 // this is strictly cosmetic
1597 if ($entry->tagName
== 'img') {
1599 } else if ($entry->parentNode
&& $entry->parentNode
->tagName
== "video") {
1601 } else if ($entry->parentNode
&& $entry->parentNode
->tagName
== "audio") {
1607 $src = get_self_url_prefix() . '/public.php?op=cached_url&hash=' . sha1($src) . $suffix;
1609 if ($entry->hasAttribute('poster'))
1610 $entry->setAttribute('poster', $src);
1612 $entry->setAttribute('src', $src);
1614 $need_saving = true;
1620 $doc->removeChild($doc->firstChild
); //remove doctype
1621 $res = $doc->saveHTML();
1627 function sanitize($str, $force_remove_images = false, $owner = false, $site_url = false, $highlight_words = false, $article_id = false) {
1628 if (!$owner) $owner = $_SESSION["uid"];
1630 $res = trim($str); if (!$res) return '';
1632 $charset_hack = '<head>
1633 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
1636 $res = trim($res); if (!$res) return '';
1638 libxml_use_internal_errors(true);
1640 $doc = new DOMDocument();
1641 $doc->loadHTML($charset_hack . $res);
1642 $xpath = new DOMXPath($doc);
1644 $rewrite_base_url = $site_url ?
$site_url : get_self_url_prefix();
1646 $entries = $xpath->query('(//a[@href]|//img[@src]|//video/source[@src]|//audio/source[@src])');
1648 foreach ($entries as $entry) {
1650 if ($entry->hasAttribute('href')) {
1651 $entry->setAttribute('href',
1652 rewrite_relative_url($rewrite_base_url, $entry->getAttribute('href')));
1654 $entry->setAttribute('rel', 'noopener noreferrer');
1657 if ($entry->hasAttribute('src')) {
1658 $src = rewrite_relative_url($rewrite_base_url, $entry->getAttribute('src'));
1660 // cache stuff has gone to rewrite_cached_urls()
1662 $entry->setAttribute('src', $src);
1665 if ($entry->nodeName
== 'img') {
1666 $entry->setAttribute('referrerpolicy', 'no-referrer');
1668 $entry->removeAttribute('width');
1669 $entry->removeAttribute('height');
1671 if ($entry->hasAttribute('src')) {
1672 $is_https_url = parse_url($entry->getAttribute('src'), PHP_URL_SCHEME
) === 'https';
1674 if (is_prefix_https() && !$is_https_url) {
1676 if ($entry->hasAttribute('srcset')) {
1677 $entry->removeAttribute('srcset');
1680 if ($entry->hasAttribute('sizes')) {
1681 $entry->removeAttribute('sizes');
1686 if (($owner && get_pref("STRIP_IMAGES", $owner)) ||
1687 $force_remove_images ||
$_SESSION["bw_limit"]) {
1689 $p = $doc->createElement('p');
1691 $a = $doc->createElement('a');
1692 $a->setAttribute('href', $entry->getAttribute('src'));
1694 $a->appendChild(new DOMText($entry->getAttribute('src')));
1695 $a->setAttribute('target', '_blank');
1696 $a->setAttribute('rel', 'noopener noreferrer');
1698 $p->appendChild($a);
1700 $entry->parentNode
->replaceChild($p, $entry);
1704 if (strtolower($entry->nodeName
) == "a") {
1705 $entry->setAttribute("target", "_blank");
1706 $entry->setAttribute("rel", "noopener noreferrer");
1710 $entries = $xpath->query('//iframe');
1711 foreach ($entries as $entry) {
1712 if (!iframe_whitelisted($entry)) {
1713 $entry->setAttribute('sandbox', 'allow-scripts');
1715 if (is_prefix_https()) {
1716 $entry->setAttribute("src",
1717 str_replace("http://", "https://",
1718 $entry->getAttribute("src")));
1723 $allowed_elements = array('a', 'abbr', 'address', 'acronym', 'audio', 'article', 'aside',
1724 'b', 'bdi', 'bdo', 'big', 'blockquote', 'body', 'br',
1725 'caption', 'cite', 'center', 'code', 'col', 'colgroup',
1726 'data', 'dd', 'del', 'details', 'description', 'dfn', 'div', 'dl', 'font',
1727 'dt', 'em', 'footer', 'figure', 'figcaption',
1728 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'header', 'hr', 'html', 'i',
1729 'img', 'ins', 'kbd', 'li', 'main', 'mark', 'nav', 'noscript',
1730 'ol', 'p', 'pre', 'q', 'ruby', 'rp', 'rt', 's', 'samp', 'section',
1731 'small', 'source', 'span', 'strike', 'strong', 'sub', 'summary',
1732 'sup', 'table', 'tbody', 'td', 'tfoot', 'th', 'thead', 'time',
1733 'tr', 'track', 'tt', 'u', 'ul', 'var', 'wbr', 'video', 'xml:namespace' );
1735 if ($_SESSION['hasSandbox']) $allowed_elements[] = 'iframe';
1737 $disallowed_attributes = array('id', 'style', 'class');
1739 foreach (PluginHost
::getInstance()->get_hooks(PluginHost
::HOOK_SANITIZE
) as $plugin) {
1740 $retval = $plugin->hook_sanitize($doc, $site_url, $allowed_elements, $disallowed_attributes, $article_id);
1741 if (is_array($retval)) {
1743 $allowed_elements = $retval[1];
1744 $disallowed_attributes = $retval[2];
1750 $doc->removeChild($doc->firstChild
); //remove doctype
1751 $doc = strip_harmful_tags($doc, $allowed_elements, $disallowed_attributes);
1753 if ($highlight_words) {
1754 foreach ($highlight_words as $word) {
1756 // http://stackoverflow.com/questions/4081372/highlight-keywords-in-a-paragraph
1758 $elements = $xpath->query("//*/text()");
1760 foreach ($elements as $child) {
1762 $fragment = $doc->createDocumentFragment();
1763 $text = $child->textContent
;
1765 while (($pos = mb_stripos($text, $word)) !== false) {
1766 $fragment->appendChild(new DomText(mb_substr($text, 0, $pos)));
1767 $word = mb_substr($text, $pos, mb_strlen($word));
1768 $highlight = $doc->createElement('span');
1769 $highlight->appendChild(new DomText($word));
1770 $highlight->setAttribute('class', 'highlight');
1771 $fragment->appendChild($highlight);
1772 $text = mb_substr($text, $pos +
mb_strlen($word));
1775 if (!empty($text)) $fragment->appendChild(new DomText($text));
1777 $child->parentNode
->replaceChild($fragment, $child);
1782 $res = $doc->saveHTML();
1784 /* strip everything outside of <body>...</body> */
1786 $res_frag = array();
1787 if (preg_match('/<body>(.*)<\/body>/is', $res, $res_frag)) {
1788 return $res_frag[1];
1794 function strip_harmful_tags($doc, $allowed_elements, $disallowed_attributes) {
1795 $xpath = new DOMXPath($doc);
1796 $entries = $xpath->query('//*');
1798 foreach ($entries as $entry) {
1799 if (!in_array($entry->nodeName
, $allowed_elements)) {
1800 $entry->parentNode
->removeChild($entry);
1803 if ($entry->hasAttributes()) {
1804 $attrs_to_remove = array();
1806 foreach ($entry->attributes
as $attr) {
1808 if (strpos($attr->nodeName
, 'on') === 0) {
1809 array_push($attrs_to_remove, $attr);
1812 if ($attr->nodeName
== 'href' && stripos($attr->value
, 'javascript:') === 0) {
1813 array_push($attrs_to_remove, $attr);
1816 if (in_array($attr->nodeName
, $disallowed_attributes)) {
1817 array_push($attrs_to_remove, $attr);
1821 foreach ($attrs_to_remove as $attr) {
1822 $entry->removeAttributeNode($attr);
1830 function trim_array($array) {
1832 array_walk($tmp, 'trim');
1836 function tag_is_valid($tag) {
1837 if (!$tag ||
is_numeric($tag) ||
mb_strlen($tag) > 250)
1843 function render_login_form() {
1844 header('Cache-Control: public');
1846 require_once "login_form.php";
1850 function T_sprintf() {
1851 $args = func_get_args();
1852 return vsprintf(__(array_shift($args)), $args);
1855 function print_checkpoint($n, $s) {
1856 $ts = microtime(true);
1857 echo sprintf("<!-- CP[$n] %.4f seconds -->\n", $ts - $s);
1861 function sanitize_tag($tag) {
1864 $tag = mb_strtolower($tag, 'utf-8');
1866 $tag = preg_replace('/[,\'\"\+\>\<]/', "", $tag);
1868 if (DB_TYPE
== "mysql") {
1869 $tag = preg_replace('/[\x{10000}-\x{10FFFF}]/u', "\xEF\xBF\xBD", $tag);
1875 function is_server_https() {
1876 return (!empty($_SERVER['HTTPS']) && ($_SERVER['HTTPS'] != 'off')) ||
$_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https';
1879 function is_prefix_https() {
1880 return parse_url(SELF_URL_PATH
, PHP_URL_SCHEME
) == 'https';
1883 // this returns SELF_URL_PATH sans ending slash
1884 function get_self_url_prefix() {
1885 if (strrpos(SELF_URL_PATH
, "/") === strlen(SELF_URL_PATH
)-1) {
1886 return substr(SELF_URL_PATH
, 0, strlen(SELF_URL_PATH
)-1);
1888 return SELF_URL_PATH
;
1892 function encrypt_password($pass, $salt = '', $mode2 = false) {
1893 if ($salt && $mode2) {
1894 return "MODE2:" . hash('sha256', $salt . $pass);
1896 return "SHA1X:" . sha1("$salt:$pass");
1898 return "SHA1:" . sha1($pass);
1900 } // function encrypt_password
1902 function load_filters($feed_id, $owner_uid) {
1905 $feed_id = (int) $feed_id;
1906 $cat_id = (int)Feeds
::getFeedCategory($feed_id);
1909 $null_cat_qpart = "cat_id IS NULL OR";
1911 $null_cat_qpart = "";
1915 $sth = $pdo->prepare("SELECT * FROM ttrss_filters2 WHERE
1916 owner_uid = ? AND enabled = true ORDER BY order_id, title");
1917 $sth->execute([$owner_uid]);
1919 $check_cats = array_merge(
1920 Feeds
::getParentCategories($cat_id, $owner_uid),
1923 $check_cats_str = join(",", $check_cats);
1924 $check_cats_fullids = array_map(function($a) { return "CAT:$a"; }, $check_cats);
1926 while ($line = $sth->fetch()) {
1927 $filter_id = $line["id"];
1929 $match_any_rule = sql_bool_to_bool($line["match_any_rule"]);
1931 $sth2 = $pdo->prepare("SELECT
1932 r.reg_exp, r.inverse, r.feed_id, r.cat_id, r.cat_filter, r.match_on, t.name AS type_name
1933 FROM ttrss_filters2_rules AS r,
1934 ttrss_filter_types AS t
1936 (match_on IS NOT NULL OR
1937 (($null_cat_qpart (cat_id IS NULL AND cat_filter = false) OR cat_id IN ($check_cats_str)) AND
1938 (feed_id IS NULL OR feed_id = ?))) AND
1939 filter_type = t.id AND filter_id = ?");
1940 $sth2->execute([$feed_id, $filter_id]);
1945 while ($rule_line = $sth2->fetch()) {
1946 # print_r($rule_line);
1948 if ($rule_line["match_on"]) {
1949 $match_on = json_decode($rule_line["match_on"], true);
1951 if (in_array("0", $match_on) ||
in_array($feed_id, $match_on) ||
count(array_intersect($check_cats_fullids, $match_on)) > 0) {
1954 $rule["reg_exp"] = $rule_line["reg_exp"];
1955 $rule["type"] = $rule_line["type_name"];
1956 $rule["inverse"] = sql_bool_to_bool($rule_line["inverse"]);
1958 array_push($rules, $rule);
1959 } else if (!$match_any_rule) {
1960 // this filter contains a rule that doesn't match to this feed/category combination
1961 // thus filter has to be rejected
1970 $rule["reg_exp"] = $rule_line["reg_exp"];
1971 $rule["type"] = $rule_line["type_name"];
1972 $rule["inverse"] = sql_bool_to_bool($rule_line["inverse"]);
1974 array_push($rules, $rule);
1978 if (count($rules) > 0) {
1979 $sth2 = $pdo->prepare("SELECT a.action_param,t.name AS type_name
1980 FROM ttrss_filters2_actions AS a,
1981 ttrss_filter_actions AS t
1983 action_id = t.id AND filter_id = ?");
1984 $sth2->execute([$filter_id]);
1986 while ($action_line = $sth2->fetch()) {
1987 # print_r($action_line);
1990 $action["type"] = $action_line["type_name"];
1991 $action["param"] = $action_line["action_param"];
1993 array_push($actions, $action);
1998 $filter["match_any_rule"] = sql_bool_to_bool($line["match_any_rule"]);
1999 $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
2000 $filter["rules"] = $rules;
2001 $filter["actions"] = $actions;
2003 if (count($rules) > 0 && count($actions) > 0) {
2004 array_push($filters, $filter);
2011 function get_score_pic($score) {
2013 return "score_high.png";
2014 } else if ($score > 0) {
2015 return "score_half_high.png";
2016 } else if ($score < -100) {
2017 return "score_low.png";
2018 } else if ($score < 0) {
2019 return "score_half_low.png";
2021 return "score_neutral.png";
2025 function init_plugins() {
2026 PluginHost
::getInstance()->load(PLUGINS
, PluginHost
::KIND_ALL
);
2031 function add_feed_category($feed_cat, $parent_cat_id = false) {
2033 if (!$feed_cat) return false;
2035 $feed_cat = mb_substr($feed_cat, 0, 250);
2036 if (!$parent_cat_id) $parent_cat_id = null;
2039 $tr_in_progress = false;
2042 $pdo->beginTransaction();
2043 } catch (Exception
$e) {
2044 $tr_in_progress = true;
2047 $sth = $pdo->prepare("SELECT id FROM ttrss_feed_categories
2048 WHERE (parent_cat = :parent OR (:parent IS NULL AND parent_cat IS NULL))
2049 AND title = :title AND owner_uid = :uid");
2050 $sth->execute([':parent' => $parent_cat_id, ':title' => $feed_cat, ':uid' => $_SESSION['uid']]);
2052 if (!$sth->fetch()) {
2054 $sth = $pdo->prepare("INSERT INTO ttrss_feed_categories (owner_uid,title,parent_cat)
2056 $sth->execute([$_SESSION['uid'], $feed_cat, $parent_cat_id]);
2058 if (!$tr_in_progress) $pdo->commit();
2069 * Fixes incomplete URLs by prepending "http://".
2070 * Also replaces feed:// with http://, and
2071 * prepends a trailing slash if the url is a domain name only.
2073 * @param string $url Possibly incomplete URL
2075 * @return string Fixed URL.
2077 function fix_url($url) {
2079 // support schema-less urls
2080 if (strpos($url, '//') === 0) {
2081 $url = 'https:' . $url;
2084 if (strpos($url, '://') === false) {
2085 $url = 'http://' . $url;
2086 } else if (substr($url, 0, 5) == 'feed:') {
2087 $url = 'http:' . substr($url, 5);
2090 //prepend slash if the URL has no slash in it
2091 // "http://www.example" -> "http://www.example/"
2092 if (strpos($url, '/', strpos($url, ':') +
3) === false) {
2096 //convert IDNA hostname to punycode if possible
2097 if (function_exists("idn_to_ascii")) {
2098 $parts = parse_url($url);
2099 if (mb_detect_encoding($parts['host']) != 'ASCII')
2101 $parts['host'] = idn_to_ascii($parts['host']);
2102 $url = build_url($parts);
2106 if ($url != "http:///")
2112 function validate_feed_url($url) {
2113 $parts = parse_url($url);
2115 return ($parts['scheme'] == 'http' ||
$parts['scheme'] == 'feed' ||
$parts['scheme'] == 'https');
2119 /* function save_email_address($email) {
2120 // FIXME: implement persistent storage of emails
2122 if (!$_SESSION['stored_emails'])
2123 $_SESSION['stored_emails'] = array();
2125 if (!in_array($email, $_SESSION['stored_emails']))
2126 array_push($_SESSION['stored_emails'], $email);
2130 function get_feed_access_key($feed_id, $is_cat, $owner_uid = false) {
2132 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2134 $is_cat = bool_to_sql_bool($is_cat);
2138 $sth = $pdo->prepare("SELECT access_key FROM ttrss_access_keys
2139 WHERE feed_id = ? AND is_cat = ?
2140 AND owner_uid = ?");
2141 $sth->execute([$feed_id, (int)$is_cat, $owner_uid]);
2143 if ($row = $sth->fetch()) {
2144 return $row["access_key"];
2146 $key = uniqid_short();
2148 $sth = $pdo->prepare("INSERT INTO ttrss_access_keys
2149 (access_key, feed_id, is_cat, owner_uid)
2150 VALUES (?, ?, ?, ?)");
2152 $sth->execute([$key, $feed_id, (int)$is_cat, $owner_uid]);
2158 function get_feeds_from_html($url, $content)
2160 $url = fix_url($url);
2161 $baseUrl = substr($url, 0, strrpos($url, '/') +
1);
2163 libxml_use_internal_errors(true);
2165 $doc = new DOMDocument();
2166 $doc->loadHTML($content);
2167 $xpath = new DOMXPath($doc);
2168 $entries = $xpath->query('/html/head/link[@rel="alternate" and '.
2169 '(contains(@type,"rss") or contains(@type,"atom"))]|/html/head/link[@rel="feed"]');
2170 $feedUrls = array();
2171 foreach ($entries as $entry) {
2172 if ($entry->hasAttribute('href')) {
2173 $title = $entry->getAttribute('title');
2175 $title = $entry->getAttribute('type');
2177 $feedUrl = rewrite_relative_url(
2178 $baseUrl, $entry->getAttribute('href')
2180 $feedUrls[$feedUrl] = $title;
2186 function is_html($content) {
2187 return preg_match("/<html|DOCTYPE html/i", substr($content, 0, 100)) !== 0;
2190 function url_is_html($url, $login = false, $pass = false) {
2191 return is_html(fetch_file_contents($url, false, $login, $pass));
2194 function build_url($parts) {
2195 return $parts['scheme'] . "://" . $parts['host'] . $parts['path'];
2198 function cleanup_url_path($path) {
2199 $path = str_replace("/./", "/", $path);
2200 $path = str_replace("//", "/", $path);
2206 * Converts a (possibly) relative URL to a absolute one.
2208 * @param string $url Base URL (i.e. from where the document is)
2209 * @param string $rel_url Possibly relative URL in the document
2211 * @return string Absolute URL
2213 function rewrite_relative_url($url, $rel_url) {
2214 if (strpos($rel_url, "://") !== false) {
2216 } else if (strpos($rel_url, "//") === 0) {
2217 # protocol-relative URL (rare but they exist)
2219 } else if (preg_match("/^[a-z]+:/i", $rel_url)) {
2220 # magnet:, feed:, etc
2222 } else if (strpos($rel_url, "/") === 0) {
2223 $parts = parse_url($url);
2224 $parts['path'] = $rel_url;
2225 $parts['path'] = cleanup_url_path($parts['path']);
2227 return build_url($parts);
2230 $parts = parse_url($url);
2231 if (!isset($parts['path'])) {
2232 $parts['path'] = '/';
2234 $dir = $parts['path'];
2235 if (substr($dir, -1) !== '/') {
2236 $dir = dirname($parts['path']);
2237 $dir !== '/' && $dir .= '/';
2239 $parts['path'] = $dir . $rel_url;
2240 $parts['path'] = cleanup_url_path($parts['path']);
2242 return build_url($parts);
2246 function cleanup_tags($days = 14, $limit = 1000) {
2248 $days = (int) $days;
2250 if (DB_TYPE
== "pgsql") {
2251 $interval_query = "date_updated < NOW() - INTERVAL '$days days'";
2252 } else if (DB_TYPE
== "mysql") {
2253 $interval_query = "date_updated < DATE_SUB(NOW(), INTERVAL $days DAY)";
2260 while ($limit > 0) {
2263 $sth = $pdo->prepare("SELECT ttrss_tags.id AS id
2264 FROM ttrss_tags, ttrss_user_entries, ttrss_entries
2265 WHERE post_int_id = int_id AND $interval_query AND
2266 ref_id = ttrss_entries.id AND tag_cache != '' LIMIT ?");
2267 $sth->execute([$limit]);
2271 while ($line = $sth->fetch()) {
2272 array_push($ids, $line['id']);
2275 if (count($ids) > 0) {
2276 $ids = join(",", $ids);
2278 $usth = $pdo->query("DELETE FROM ttrss_tags WHERE id IN ($ids)");
2279 $tags_deleted = $usth->rowCount();
2284 $limit -= $limit_part;
2287 return $tags_deleted;
2290 function print_user_stylesheet() {
2291 $value = get_pref('USER_STYLESHEET');
2294 print "<style type=\"text/css\">";
2295 print str_replace("<br/>", "\n", $value);
2301 function filter_to_sql($filter, $owner_uid) {
2306 if (DB_TYPE
== "pgsql")
2309 $reg_qpart = "REGEXP";
2311 foreach ($filter["rules"] AS $rule) {
2312 $rule['reg_exp'] = str_replace('/', '\/', $rule["reg_exp"]);
2313 $regexp_valid = preg_match('/' . $rule['reg_exp'] . '/',
2314 $rule['reg_exp']) !== FALSE;
2316 if ($regexp_valid) {
2318 $rule['reg_exp'] = $pdo->quote($rule['reg_exp']);
2320 switch ($rule["type"]) {
2322 $qpart = "LOWER(ttrss_entries.title) $reg_qpart LOWER('".
2323 $rule['reg_exp'] . "')";
2326 $qpart = "LOWER(ttrss_entries.content) $reg_qpart LOWER('".
2327 $rule['reg_exp'] . "')";
2330 $qpart = "LOWER(ttrss_entries.title) $reg_qpart LOWER('".
2331 $rule['reg_exp'] . "') OR LOWER(" .
2332 "ttrss_entries.content) $reg_qpart LOWER('" . $rule['reg_exp'] . "')";
2335 $qpart = "LOWER(ttrss_user_entries.tag_cache) $reg_qpart LOWER('".
2336 $rule['reg_exp'] . "')";
2339 $qpart = "LOWER(ttrss_entries.link) $reg_qpart LOWER('".
2340 $rule['reg_exp'] . "')";
2343 $qpart = "LOWER(ttrss_entries.author) $reg_qpart LOWER('".
2344 $rule['reg_exp'] . "')";
2348 if (isset($rule['inverse'])) $qpart = "NOT ($qpart)";
2350 if (isset($rule["feed_id"]) && $rule["feed_id"] > 0) {
2351 $qpart .= " AND feed_id = " . $pdo->quote($rule["feed_id"]);
2354 if (isset($rule["cat_id"])) {
2356 if ($rule["cat_id"] > 0) {
2357 $children = Feeds
::getChildCategories($rule["cat_id"], $owner_uid);
2358 array_push($children, $rule["cat_id"]);
2359 $children = array_map("intval", $children);
2361 $children = join(",", $children);
2363 $cat_qpart = "cat_id IN ($children)";
2365 $cat_qpart = "cat_id IS NULL";
2368 $qpart .= " AND $cat_qpart";
2371 $qpart .= " AND feed_id IS NOT NULL";
2373 array_push($query, "($qpart)");
2378 if (count($query) > 0) {
2379 $fullquery = "(" . join($filter["match_any_rule"] ?
"OR" : "AND", $query) . ")";
2381 $fullquery = "(false)";
2384 if ($filter['inverse']) $fullquery = "(NOT $fullquery)";
2389 if (!function_exists('gzdecode')) {
2390 function gzdecode($string) { // no support for 2nd argument
2391 return file_get_contents('compress.zlib://data:who/cares;base64,'.
2392 base64_encode($string));
2396 function get_random_bytes($length) {
2397 if (function_exists('openssl_random_pseudo_bytes')) {
2398 return openssl_random_pseudo_bytes($length);
2402 for ($i = 0; $i < $length; $i++
)
2403 $output .= chr(mt_rand(0, 255));
2409 function read_stdin() {
2410 $fp = fopen("php://stdin", "r");
2413 $line = trim(fgets($fp));
2421 function implements_interface($class, $interface) {
2422 return in_array($interface, class_implements($class));
2425 function get_minified_js($files) {
2429 foreach ($files as $js) {
2430 if (!isset($_GET['debug'])) {
2431 $cached_file = CACHE_DIR
. "/js/".basename($js);
2433 if (file_exists($cached_file) && is_readable($cached_file) && filemtime($cached_file) >= filemtime("js/$js")) {
2435 list($header, $contents) = explode("\n", file_get_contents($cached_file), 2);
2437 if ($header && $contents) {
2438 list($htag, $hversion) = explode(":", $header);
2440 if ($htag == "tt-rss" && $hversion == VERSION
) {
2447 $minified = JShrink\Minifier
::minify(file_get_contents("js/$js"));
2448 file_put_contents($cached_file, "tt-rss:" . VERSION
. "\n" . $minified);
2452 $rv .= file_get_contents("js/$js"); // no cache in debug mode
2459 function calculate_dep_timestamp() {
2460 $files = array_merge(glob("js/*.js"), glob("css/*.css"));
2464 foreach ($files as $file) {
2465 if (filemtime($file) > $max_ts) $max_ts = filemtime($file);
2471 function T_js_decl($s1, $s2) {
2473 $s1 = preg_replace("/\n/", "", $s1);
2474 $s2 = preg_replace("/\n/", "", $s2);
2476 $s1 = preg_replace("/\"/", "\\\"", $s1);
2477 $s2 = preg_replace("/\"/", "\\\"", $s2);
2479 return "T_messages[\"$s1\"] = \"$s2\";\n";
2483 function init_js_translations() {
2485 print 'var T_messages = new Object();
2488 if (T_messages[msg]) {
2489 return T_messages[msg];
2495 function ngettext(msg1, msg2, n) {
2496 return __((parseInt(n) > 1) ? msg2 : msg1);
2499 $l10n = _get_reader();
2501 for ($i = 0; $i < $l10n->total
; $i++
) {
2502 $orig = $l10n->get_original_string($i);
2503 if(strpos($orig, "\000") !== FALSE) { // Plural forms
2504 $key = explode(chr(0), $orig);
2505 print T_js_decl($key[0], _ngettext($key[0], $key[1], 1)); // Singular
2506 print T_js_decl($key[1], _ngettext($key[0], $key[1], 2)); // Plural
2508 $translation = __($orig);
2509 print T_js_decl($orig, $translation);
2514 function get_theme_path($theme) {
2515 if ($theme == "default.php")
2516 return "css/default.css";
2518 $check = "themes/$theme";
2519 if (file_exists($check)) return $check;
2521 $check = "themes.local/$theme";
2522 if (file_exists($check)) return $check;
2525 function theme_valid($theme) {
2526 $bundled_themes = [ "default.php", "night.css", "compact.css" ];
2528 if (in_array($theme, $bundled_themes)) return true;
2530 $file = "themes/" . basename($theme);
2532 if (!file_exists($file)) $file = "themes.local/" . basename($theme);
2534 if (file_exists($file) && is_readable($file)) {
2535 $fh = fopen($file, "r");
2538 $header = fgets($fh);
2541 return strpos($header, "supports-version:" . VERSION_STATIC
) !== FALSE;
2549 * @SuppressWarnings(unused)
2551 function error_json($code) {
2552 require_once "errors.php";
2554 @$message = $ERRORS[$code];
2556 return json_encode(array("error" =>
2557 array("code" => $code, "message" => $message)));
2561 /*function abs_to_rel_path($dir) {
2562 $tmp = str_replace(dirname(__DIR__), "", $dir);
2564 if (strlen($tmp) > 0 && substr($tmp, 0, 1) == "/") $tmp = substr($tmp, 1);
2569 function get_upload_error_message($code) {
2572 0 => __('There is no error, the file uploaded with success'),
2573 1 => __('The uploaded file exceeds the upload_max_filesize directive in php.ini'),
2574 2 => __('The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form'),
2575 3 => __('The uploaded file was only partially uploaded'),
2576 4 => __('No file was uploaded'),
2577 6 => __('Missing a temporary folder'),
2578 7 => __('Failed to write file to disk.'),
2579 8 => __('A PHP extension stopped the file upload.'),
2582 return $errors[$code];
2585 function base64_img($filename) {
2586 if (file_exists($filename)) {
2587 $ext = pathinfo($filename, PATHINFO_EXTENSION
);
2589 return "data:image/$ext;base64," . base64_encode(file_get_contents($filename));
2595 /* this is essentially a wrapper for readfile() which allows plugins to hook
2596 output with httpd-specific "fast" implementation i.e. X-Sendfile or whatever else
2598 hook function should return true if request was handled (or at least attempted to)
2600 note that this can be called without user context so the plugin to handle this
2601 should be loaded systemwide in config.php */
2602 function send_local_file($filename) {
2603 if (file_exists($filename)) {
2604 $tmppluginhost = new PluginHost();
2606 $tmppluginhost->load(PLUGINS
, PluginHost
::KIND_SYSTEM
);
2607 $tmppluginhost->load_data();
2609 foreach ($tmppluginhost->get_hooks(PluginHost
::HOOK_SEND_LOCAL_FILE
) as $plugin) {
2610 if ($plugin->hook_send_local_file($filename)) return true;
2613 $mimetype = mime_content_type($filename);
2615 // this is hardly ideal but 1) only media is cached in images/ and 2) seemingly only mp4
2616 // video files are detected as octet-stream by mime_content_type()
2618 if ($mimetype == "application/octet-stream")
2619 $mimetype = "video/mp4";
2621 header("Content-type: $mimetype");
2623 $stamp = gmdate("D, d M Y H:i:s", filemtime($filename)) . " GMT";
2624 header("Last-Modified: $stamp", true);
2626 return readfile($filename);
2632 function check_mysql_tables() {
2635 $sth = $pdo->prepare("SELECT engine, table_name FROM information_schema.tables WHERE
2636 table_schema = ? AND table_name LIKE 'ttrss_%' AND engine != 'InnoDB'");
2637 $sth->execute([DB_NAME
]);
2641 while ($line = $sth->fetch()) {
2642 array_push($bad_tables, $line);
2648 function validate_field($string, $allowed, $default = "") {
2649 if (in_array($string, $allowed))
2655 function arr_qmarks($arr) {
2656 return str_repeat('?,', count($arr) - 1) . '?';