2 define('EXPECTED_CONFIG_VERSION', 26);
3 define('SCHEMA_VERSION', 105);
5 $fetch_last_error = false;
8 function __autoload($class) {
9 $class_file = str_replace("_", "/", strtolower(basename($class)));
11 $file = dirname(__FILE__
)."/../classes/$class_file.php";
13 if (file_exists($file)) {
19 mb_internal_encoding("UTF-8");
20 date_default_timezone_set('UTC');
21 if (defined('E_DEPRECATED')) {
22 error_reporting(E_ALL
& ~E_NOTICE
& ~E_DEPRECATED
);
24 error_reporting(E_ALL
& ~E_NOTICE
);
27 require_once 'config.php';
29 if (DB_TYPE
== "pgsql") {
30 define('SUBSTRING_FOR_DATE', 'SUBSTRING_FOR_DATE');
32 define('SUBSTRING_FOR_DATE', 'SUBSTRING');
35 define('THEME_VERSION_REQUIRED', 1.1);
38 * Return available translations names.
41 * @return array A array of available translations.
43 function get_translations() {
45 "auto" => "Detect automatically",
50 "fr_FR" => "Français",
51 "hu_HU" => "Magyar (Hungarian)",
52 "it_IT" => "Italiano",
53 "ja_JP" => "日本語 (Japanese)",
54 "lv_LV" => "Latviešu",
55 "nb_NO" => "Norwegian bokmål",
58 "pt_BR" => "Portuguese/Brazil",
59 "zh_CN" => "Simplified Chinese");
64 require_once "lib/accept-to-gettext.php";
65 require_once "lib/gettext/gettext.inc";
68 function startup_gettext() {
70 # Get locale from Accept-Language header
71 $lang = al2gt(array_keys(get_translations()), "text/html");
73 if (defined('_TRANSLATION_OVERRIDE_DEFAULT')) {
74 $lang = _TRANSLATION_OVERRIDE_DEFAULT
;
77 /* In login action of mobile version */
78 if ($_POST["language"] && defined('MOBILE_VERSION')) {
79 $lang = $_POST["language"];
80 } else if ($_SESSION["language"] && $_SESSION["language"] != "auto") {
81 $lang = $_SESSION["language"];
85 if (defined('LC_MESSAGES')) {
86 _setlocale(LC_MESSAGES
, $lang);
87 } else if (defined('LC_ALL')) {
88 _setlocale(LC_ALL
, $lang);
91 if (defined('MOBILE_VERSION')) {
92 _bindtextdomain("messages", "../locale");
94 _bindtextdomain("messages", "locale");
97 _textdomain("messages");
98 _bind_textdomain_codeset("messages", "UTF-8");
104 require_once 'db-prefs.php';
105 require_once 'version.php';
106 require_once 'ccache.php';
107 require_once 'labels.php';
109 define('SELF_USER_AGENT', 'Tiny Tiny RSS/' . VERSION
. ' (http://tt-rss.org/)');
110 ini_set('user_agent', SELF_USER_AGENT
);
112 require_once 'lib/pubsubhubbub/publisher.php';
113 require_once 'lib/htmLawed.php';
116 $utc_tz = new DateTimeZone('UTC');
117 $schema_version = false;
120 * Print a timestamped debug message.
122 * @param string $msg The debug message.
125 function _debug($msg) {
126 if (defined('QUIET') && QUIET
) {
129 $ts = strftime("%H:%M:%S", time());
130 if (function_exists('posix_getpid')) {
131 $ts = "$ts/" . posix_getpid();
133 print "[$ts] $msg\n";
137 * Purge a feed old posts.
139 * @param mixed $link A database connection.
140 * @param mixed $feed_id The id of the purged feed.
141 * @param mixed $purge_interval Olderness of purged posts.
142 * @param boolean $debug Set to True to enable the debug. False by default.
146 function purge_feed($link, $feed_id, $purge_interval, $debug = false) {
148 if (!$purge_interval) $purge_interval = feed_purge_interval($link, $feed_id);
152 $result = db_query($link,
153 "SELECT owner_uid FROM ttrss_feeds WHERE id = '$feed_id'");
157 if (db_num_rows($result) == 1) {
158 $owner_uid = db_fetch_result($result, 0, "owner_uid");
161 if ($purge_interval == -1 ||
!$purge_interval) {
163 ccache_update($link, $feed_id, $owner_uid);
168 if (!$owner_uid) return;
170 if (FORCE_ARTICLE_PURGE
== 0) {
171 $purge_unread = get_pref($link, "PURGE_UNREAD_ARTICLES",
174 $purge_unread = true;
175 $purge_interval = FORCE_ARTICLE_PURGE
;
178 if (!$purge_unread) $query_limit = " unread = false AND ";
180 if (DB_TYPE
== "pgsql") {
181 $pg_version = get_pgsql_version($link);
183 if (preg_match("/^7\./", $pg_version) ||
preg_match("/^8\.0/", $pg_version)) {
185 $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
186 ttrss_entries.id = ref_id AND
188 feed_id = '$feed_id' AND
190 ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
194 $result = db_query($link, "DELETE FROM ttrss_user_entries
196 WHERE ttrss_entries.id = ref_id AND
198 feed_id = '$feed_id' AND
200 ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
203 $rows = pg_affected_rows($result);
207 /* $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
208 marked = false AND feed_id = '$feed_id' AND
209 (SELECT date_updated FROM ttrss_entries WHERE
210 id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
212 $result = db_query($link, "DELETE FROM ttrss_user_entries
213 USING ttrss_user_entries, ttrss_entries
214 WHERE ttrss_entries.id = ref_id AND
216 feed_id = '$feed_id' AND
218 ttrss_entries.date_updated < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
220 $rows = mysql_affected_rows($link);
224 ccache_update($link, $feed_id, $owner_uid);
227 _debug("Purged feed $feed_id ($purge_interval): deleted $rows articles");
231 } // function purge_feed
233 function feed_purge_interval($link, $feed_id) {
235 $result = db_query($link, "SELECT purge_interval, owner_uid FROM ttrss_feeds
236 WHERE id = '$feed_id'");
238 if (db_num_rows($result) == 1) {
239 $purge_interval = db_fetch_result($result, 0, "purge_interval");
240 $owner_uid = db_fetch_result($result, 0, "owner_uid");
242 if ($purge_interval == 0) $purge_interval = get_pref($link,
243 'PURGE_OLD_DAYS', $owner_uid);
245 return $purge_interval;
252 function purge_orphans($link, $do_output = false) {
254 // purge orphaned posts in main content table
255 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
256 (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
259 $rows = db_affected_rows($link, $result);
260 _debug("Purged $rows orphaned posts.");
264 function get_feed_update_interval($link, $feed_id) {
265 $result = db_query($link, "SELECT owner_uid, update_interval FROM
266 ttrss_feeds WHERE id = '$feed_id'");
268 if (db_num_rows($result) == 1) {
269 $update_interval = db_fetch_result($result, 0, "update_interval");
270 $owner_uid = db_fetch_result($result, 0, "owner_uid");
272 if ($update_interval != 0) {
273 return $update_interval;
275 return get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $owner_uid, false);
283 function fetch_file_contents($url, $type = false, $login = false, $pass = false, $post_query = false, $timeout = false) {
284 $login = urlencode($login);
285 $pass = urlencode($pass);
287 global $fetch_last_error;
289 if (function_exists('curl_init') && !ini_get("open_basedir")) {
290 //$ch = curl_init($url);
291 $ch = curl_init(geturl($url));
293 curl_setopt($ch, CURLOPT_CONNECTTIMEOUT
, $timeout ?
$timeout : 15);
294 curl_setopt($ch, CURLOPT_TIMEOUT
, $timeout ?
$timeout : 45);
295 //curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
296 curl_setopt($ch, CURLOPT_MAXREDIRS
, 20);
297 curl_setopt($ch, CURLOPT_BINARYTRANSFER
, true);
298 curl_setopt($ch, CURLOPT_RETURNTRANSFER
, true);
299 curl_setopt($ch, CURLOPT_SSL_VERIFYPEER
, false);
300 curl_setopt($ch, CURLOPT_HTTPAUTH
, CURLAUTH_ANY
);
301 curl_setopt($ch, CURLOPT_USERAGENT
, SELF_USER_AGENT
);
302 curl_setopt($ch, CURLOPT_ENCODING
, "gzip");
303 curl_setopt($ch, CURLOPT_REFERER
, $url);
306 curl_setopt($ch, CURLOPT_POST
, true);
307 curl_setopt($ch, CURLOPT_POSTFIELDS
, $post_query);
311 curl_setopt($ch, CURLOPT_USERPWD
, "$login:$pass");
313 $contents = @curl_exec
($ch);
315 if (curl_errno($ch) === 23 ||
curl_errno($ch) === 61) {
316 curl_setopt($ch, CURLOPT_ENCODING
, 'none');
317 $contents = @curl_exec
($ch);
320 if ($contents === false) {
321 $fetch_last_error = curl_errno($ch) . " " . curl_error($ch);
326 $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE
);
327 $content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE
);
329 if ($http_code != 200 ||
$type && strpos($content_type, "$type") === false) {
330 if (curl_errno($ch) != 0) {
331 $fetch_last_error = curl_errno($ch) . " " . curl_error($ch);
333 $fetch_last_error = "HTTP Code: $http_code";
343 if ($login && $pass ){
344 $url_parts = array();
346 preg_match("/(^[^:]*):\/\/(.*)/", $url, $url_parts);
348 if ($url_parts[1] && $url_parts[2]) {
349 $url = $url_parts[1] . "://$login:$pass@" . $url_parts[2];
353 $data = @file_get_contents
($url);
355 $gzdecoded = gzdecode($data);
356 if ($gzdecoded) $data = $gzdecoded;
358 if (!$data && function_exists('error_get_last')) {
359 $error = error_get_last();
360 $fetch_last_error = $error["message"];
368 * Try to determine the favicon URL for a feed.
369 * adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/)
370 * http://dev.wp-plugins.org/file/favatars/trunk/favatars.php
372 * @param string $url A feed or page URL
374 * @return mixed The favicon URL, or false if none was found.
376 function get_favicon_url($url) {
378 $favicon_url = false;
380 if ($html = @fetch_file_contents
($url)) {
382 libxml_use_internal_errors(true);
384 $doc = new DOMDocument();
385 $doc->loadHTML($html);
386 $xpath = new DOMXPath($doc);
388 $base = $xpath->query('/html/head/base');
389 foreach ($base as $b) {
390 $url = $b->getAttribute("href");
394 $entries = $xpath->query('/html/head/link[@rel="shortcut icon" or @rel="icon"]');
395 if (count($entries) > 0) {
396 foreach ($entries as $entry) {
397 $favicon_url = rewrite_relative_url($url, $entry->getAttribute("href"));
404 $favicon_url = rewrite_relative_url($url, "/favicon.ico");
407 } // function get_favicon_url
409 function check_feed_favicon($site_url, $feed, $link) {
410 # print "FAVICON [$site_url]: $favicon_url\n";
412 $icon_file = ICONS_DIR
. "/$feed.ico";
414 if (!file_exists($icon_file)) {
415 $favicon_url = get_favicon_url($site_url);
418 // Limiting to "image" type misses those served with text/plain
419 $contents = fetch_file_contents($favicon_url); // , "image");
422 // Crude image type matching.
423 // Patterns gleaned from the file(1) source code.
424 if (preg_match('/^\x00\x00\x01\x00/', $contents)) {
425 // 0 string \000\000\001\000 MS Windows icon resource
426 //error_log("check_feed_favicon: favicon_url=$favicon_url isa MS Windows icon resource");
428 elseif (preg_match('/^GIF8/', $contents)) {
429 // 0 string GIF8 GIF image data
430 //error_log("check_feed_favicon: favicon_url=$favicon_url isa GIF image");
432 elseif (preg_match('/^\x89PNG\x0d\x0a\x1a\x0a/', $contents)) {
433 // 0 string \x89PNG\x0d\x0a\x1a\x0a PNG image data
434 //error_log("check_feed_favicon: favicon_url=$favicon_url isa PNG image");
436 elseif (preg_match('/^\xff\xd8/', $contents)) {
437 // 0 beshort 0xffd8 JPEG image data
438 //error_log("check_feed_favicon: favicon_url=$favicon_url isa JPG image");
441 //error_log("check_feed_favicon: favicon_url=$favicon_url isa UNKNOWN type");
447 $fp = @fopen
($icon_file, "w");
450 fwrite($fp, $contents);
452 chmod($icon_file, 0644);
459 function print_select($id, $default, $values, $attributes = "") {
460 print "<select name=\"$id\" id=\"$id\" $attributes>";
461 foreach ($values as $v) {
463 $sel = "selected=\"1\"";
469 print "<option value=\"$v\" $sel>$v</option>";
474 function print_select_hash($id, $default, $values, $attributes = "") {
475 print "<select name=\"$id\" id='$id' $attributes>";
476 foreach (array_keys($values) as $v) {
478 $sel = 'selected="selected"';
484 print "<option $sel value=\"$v\">".$values[$v]."</option>";
490 function print_radio($id, $default, $true_is, $values, $attributes = "") {
491 foreach ($values as $v) {
498 if ($v == $true_is) {
499 $sel .= " value=\"1\"";
501 $sel .= " value=\"0\"";
504 print "<input class=\"noborder\" dojoType=\"dijit.form.RadioButton\"
505 type=\"radio\" $sel $attributes name=\"$id\"> $v ";
510 function initialize_user_prefs($link, $uid, $profile = false) {
512 $uid = db_escape_string($uid);
516 $profile_qpart = "AND profile IS NULL";
518 $profile_qpart = "AND profile = '$profile'";
521 if (get_schema_version($link) < 63) $profile_qpart = "";
523 db_query($link, "BEGIN");
525 $result = db_query($link, "SELECT pref_name,def_value FROM ttrss_prefs");
527 $u_result = db_query($link, "SELECT pref_name
528 FROM ttrss_user_prefs WHERE owner_uid = '$uid' $profile_qpart");
530 $active_prefs = array();
532 while ($line = db_fetch_assoc($u_result)) {
533 array_push($active_prefs, $line["pref_name"]);
536 while ($line = db_fetch_assoc($result)) {
537 if (array_search($line["pref_name"], $active_prefs) === FALSE) {
538 // print "adding " . $line["pref_name"] . "<br>";
540 if (get_schema_version($link) < 63) {
541 db_query($link, "INSERT INTO ttrss_user_prefs
542 (owner_uid,pref_name,value) VALUES
543 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
546 db_query($link, "INSERT INTO ttrss_user_prefs
547 (owner_uid,pref_name,value, profile) VALUES
548 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."', $profile)");
554 db_query($link, "COMMIT");
558 function get_ssl_certificate_id() {
559 if ($_SERVER["REDIRECT_SSL_CLIENT_M_SERIAL"]) {
560 return sha1($_SERVER["REDIRECT_SSL_CLIENT_M_SERIAL"] .
561 $_SERVER["REDIRECT_SSL_CLIENT_V_START"] .
562 $_SERVER["REDIRECT_SSL_CLIENT_V_END"] .
563 $_SERVER["REDIRECT_SSL_CLIENT_S_DN"]);
568 function authenticate_user($link, $login, $password, $check_only = false) {
570 if (!SINGLE_USER_MODE
) {
575 foreach ($pluginhost->get_hooks($pluginhost::HOOK_AUTH_USER
) as $plugin) {
577 $user_id = (int) $plugin->authenticate($login, $password);
580 $_SESSION["auth_module"] = strtolower(get_class($plugin));
585 if ($user_id && !$check_only) {
586 $_SESSION["uid"] = $user_id;
588 $result = db_query($link, "SELECT login,access_level,pwd_hash FROM ttrss_users
589 WHERE id = '$user_id'");
591 $_SESSION["name"] = db_fetch_result($result, 0, "login");
592 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
593 $_SESSION["csrf_token"] = sha1(uniqid(rand(), true));
595 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
598 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
599 $_SESSION["pwd_hash"] = db_fetch_result($result, 0, "pwd_hash");
601 $_SESSION["last_version_check"] = time();
603 initialize_user_prefs($link, $_SESSION["uid"]);
612 $_SESSION["uid"] = 1;
613 $_SESSION["name"] = "admin";
614 $_SESSION["access_level"] = 10;
616 $_SESSION["hide_hello"] = true;
617 $_SESSION["hide_logout"] = true;
619 $_SESSION["auth_module"] = false;
621 if (!$_SESSION["csrf_token"]) {
622 $_SESSION["csrf_token"] = sha1(uniqid(rand(), true));
625 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
627 initialize_user_prefs($link, $_SESSION["uid"]);
633 function make_password($length = 8) {
636 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
640 while ($i < $length) {
641 $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
643 if (!strstr($password, $char)) {
651 // this is called after user is created to initialize default feeds, labels
654 // user preferences are checked on every login, not here
656 function initialize_user($link, $uid) {
658 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
659 values ('$uid', 'Tiny Tiny RSS: New Releases',
660 'http://tt-rss.org/releases.rss')");
662 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
663 values ('$uid', 'Tiny Tiny RSS: Forum',
664 'http://tt-rss.org/forum/rss.php')");
667 function logout_user() {
669 if (isset($_COOKIE[session_name()])) {
670 setcookie(session_name(), '', time()-42000, '/');
674 function validate_csrf($csrf_token) {
675 return $csrf_token == $_SESSION['csrf_token'];
678 function validate_session($link) {
679 if (SINGLE_USER_MODE
) return true;
681 $check_ip = $_SESSION['ip_address'];
683 switch (SESSION_CHECK_ADDRESS
) {
688 $check_ip = substr($check_ip, 0, strrpos($check_ip, '.')+
1);
691 $check_ip = substr($check_ip, 0, strrpos($check_ip, '.'));
692 $check_ip = substr($check_ip, 0, strrpos($check_ip, '.')+
1);
696 if ($check_ip && strpos($_SERVER['REMOTE_ADDR'], $check_ip) !== 0) {
697 $_SESSION["login_error_msg"] =
698 __("Session failed to validate (incorrect IP)");
702 if ($_SESSION["ref_schema_version"] != get_schema_version($link, true))
705 if ($_SESSION["uid"]) {
707 $result = db_query($link,
708 "SELECT pwd_hash FROM ttrss_users WHERE id = '".$_SESSION["uid"]."'");
710 $pwd_hash = db_fetch_result($result, 0, "pwd_hash");
712 if ($pwd_hash != $_SESSION["pwd_hash"]) {
717 /* if ($_SESSION["cookie_lifetime"] && $_SESSION["uid"]) {
719 //print_r($_SESSION);
721 if (time() > $_SESSION["cookie_lifetime"]) {
729 function load_user_plugins($link, $owner_uid) {
731 $plugins = get_pref($link, "_ENABLED_PLUGINS", $owner_uid);
734 $pluginhost->load($plugins, $pluginhost::KIND_USER
, $owner_uid);
736 if (get_schema_version($link) > 100) {
737 $pluginhost->load_data();
742 function login_sequence($link, $login_form = 0) {
743 $_SESSION["prefs_cache"] = false;
745 if (SINGLE_USER_MODE
) {
746 authenticate_user($link, "admin", null);
748 load_user_plugins($link, $_SESSION["uid"]);
750 if (!$_SESSION["uid"] ||
!validate_session($link)) {
752 if (AUTH_AUTO_LOGIN
&& authenticate_user($link, null, null)) {
753 $_SESSION["ref_schema_version"] = get_schema_version($link, true);
755 authenticate_user($link, null, null, true);
758 if (!$_SESSION["uid"]) render_login_form($link, $login_form);
761 /* bump login timestamp */
762 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
766 if ($_SESSION["uid"] && $_SESSION["language"] && SESSION_COOKIE_LIFETIME
> 0) {
767 setcookie("ttrss_lang", $_SESSION["language"],
768 time() + SESSION_COOKIE_LIFETIME
);
771 if ($_SESSION["uid"]) {
773 load_user_plugins($link, $_SESSION["uid"]);
778 function truncate_string($str, $max_len, $suffix = '…') {
779 if (mb_strlen($str, "utf-8") > $max_len - 3) {
780 return mb_substr($str, 0, $max_len, "utf-8") . $suffix;
786 // Deprecated, TODO: remove
787 function theme_image($link, $filename) {
791 function convert_timestamp($timestamp, $source_tz, $dest_tz) {
794 $source_tz = new DateTimeZone($source_tz);
795 } catch (Exception
$e) {
796 $source_tz = new DateTimeZone('UTC');
800 $dest_tz = new DateTimeZone($dest_tz);
801 } catch (Exception
$e) {
802 $dest_tz = new DateTimeZone('UTC');
805 $dt = new DateTime(date('Y-m-d H:i:s', $timestamp), $source_tz);
806 return $dt->format('U') +
$dest_tz->getOffset($dt);
809 function make_local_datetime($link, $timestamp, $long, $owner_uid = false,
810 $no_smart_dt = false) {
812 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
813 if (!$timestamp) $timestamp = '1970-01-01 0:00';
818 # We store date in UTC internally
819 $dt = new DateTime($timestamp, $utc_tz);
821 if ($tz_offset == -1) {
823 $user_tz_string = get_pref($link, 'USER_TIMEZONE', $owner_uid);
826 $user_tz = new DateTimeZone($user_tz_string);
827 } catch (Exception
$e) {
831 $tz_offset = $user_tz->getOffset($dt);
834 $user_timestamp = $dt->format('U') +
$tz_offset;
837 return smart_date_time($link, $user_timestamp,
838 $tz_offset, $owner_uid);
841 $format = get_pref($link, 'LONG_DATE_FORMAT', $owner_uid);
843 $format = get_pref($link, 'SHORT_DATE_FORMAT', $owner_uid);
845 return date($format, $user_timestamp);
849 function smart_date_time($link, $timestamp, $tz_offset = 0, $owner_uid = false) {
850 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
852 if (date("Y.m.d", $timestamp) == date("Y.m.d", time() +
$tz_offset)) {
853 return date("G:i", $timestamp);
854 } else if (date("Y", $timestamp) == date("Y", time() +
$tz_offset)) {
855 $format = get_pref($link, 'SHORT_DATE_FORMAT', $owner_uid);
856 return date($format, $timestamp);
858 $format = get_pref($link, 'LONG_DATE_FORMAT', $owner_uid);
859 return date($format, $timestamp);
863 function sql_bool_to_bool($s) {
864 if ($s == "t" ||
$s == "1" ||
strtolower($s) == "true") {
871 function bool_to_sql_bool($s) {
879 // Session caching removed due to causing wrong redirects to upgrade
880 // script when get_schema_version() is called on an obsolete session
881 // created on a previous schema version.
882 function get_schema_version($link, $nocache = false) {
883 global $schema_version;
885 if (!$schema_version) {
886 $result = db_query($link, "SELECT schema_version FROM ttrss_version");
887 $version = db_fetch_result($result, 0, "schema_version");
888 $schema_version = $version;
891 return $schema_version;
895 function sanity_check($link) {
896 require_once 'errors.php';
899 $schema_version = get_schema_version($link, true);
901 if ($schema_version != SCHEMA_VERSION
) {
905 if (DB_TYPE
== "mysql") {
906 $result = db_query($link, "SELECT true", false);
907 if (db_num_rows($result) != 1) {
912 if (db_escape_string("testTEST") != "testTEST") {
916 return array("code" => $error_code, "message" => $ERRORS[$error_code]);
919 function file_is_locked($filename) {
920 if (function_exists('flock')) {
921 $fp = @fopen
(LOCK_DIRECTORY
. "/$filename", "r");
923 if (flock($fp, LOCK_EX | LOCK_NB
)) {
934 return true; // consider the file always locked and skip the test
937 function make_lockfile($filename) {
938 $fp = fopen(LOCK_DIRECTORY
. "/$filename", "w");
940 if ($fp && flock($fp, LOCK_EX | LOCK_NB
)) {
941 if (function_exists('posix_getpid')) {
942 fwrite($fp, posix_getpid() . "\n");
950 function make_stampfile($filename) {
951 $fp = fopen(LOCK_DIRECTORY
. "/$filename", "w");
953 if (flock($fp, LOCK_EX | LOCK_NB
)) {
954 fwrite($fp, time() . "\n");
963 function sql_random_function() {
964 if (DB_TYPE
== "mysql") {
971 function catchup_feed($link, $feed, $cat_view, $owner_uid = false, $max_id = false) {
973 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
975 //if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
977 $ref_check_qpart = ($max_id &&
978 !get_pref($link, 'REVERSE_HEADLINES')) ?
"ref_id <= '$max_id'" : "true";
980 if (is_numeric($feed)) {
986 $children = getChildCategories($link, $feed, $owner_uid);
987 array_push($children, $feed);
989 $children = join(",", $children);
991 $cat_qpart = "cat_id IN ($children)";
993 $cat_qpart = "cat_id IS NULL";
996 db_query($link, "UPDATE ttrss_user_entries
997 SET unread = false,last_read = NOW()
998 WHERE feed_id IN (SELECT id FROM ttrss_feeds WHERE $cat_qpart)
999 AND $ref_check_qpart AND unread = true
1000 AND owner_uid = $owner_uid");
1002 } else if ($feed == -2) {
1004 db_query($link, "UPDATE ttrss_user_entries
1005 SET unread = false,last_read = NOW() WHERE (SELECT COUNT(*)
1006 FROM ttrss_user_labels2 WHERE article_id = ref_id) > 0
1007 AND $ref_check_qpart
1008 AND unread = true AND owner_uid = $owner_uid");
1011 } else if ($feed > 0) {
1013 db_query($link, "UPDATE ttrss_user_entries
1014 SET unread = false,last_read = NOW()
1015 WHERE feed_id = '$feed'
1016 AND $ref_check_qpart AND unread = true
1017 AND owner_uid = $owner_uid");
1019 } else if ($feed < 0 && $feed > -10) { // special, like starred
1022 db_query($link, "UPDATE ttrss_user_entries
1023 SET unread = false,last_read = NOW()
1025 AND $ref_check_qpart AND unread = true
1026 AND owner_uid = $owner_uid");
1030 db_query($link, "UPDATE ttrss_user_entries
1031 SET unread = false,last_read = NOW()
1032 WHERE published = true
1033 AND $ref_check_qpart AND unread = true
1034 AND owner_uid = $owner_uid");
1039 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
1041 if (DB_TYPE
== "pgsql") {
1042 $match_part = "updated > NOW() - INTERVAL '$intl hour' ";
1044 $match_part = "updated > DATE_SUB(NOW(),
1045 INTERVAL $intl HOUR) ";
1048 $result = db_query($link, "SELECT id FROM ttrss_entries,
1049 ttrss_user_entries WHERE $match_part AND
1051 ttrss_user_entries.ref_id = ttrss_entries.id AND
1052 owner_uid = $owner_uid");
1054 $affected_ids = array();
1056 while ($line = db_fetch_assoc($result)) {
1057 array_push($affected_ids, $line["id"]);
1060 catchupArticlesById($link, $affected_ids, 0);
1064 db_query($link, "UPDATE ttrss_user_entries
1065 SET unread = false,last_read = NOW()
1066 WHERE $ref_check_qpart AND unread = true AND
1067 owner_uid = $owner_uid");
1070 } else if ($feed < -10) { // label
1072 $label_id = -$feed - 11;
1074 db_query($link, "UPDATE ttrss_user_entries, ttrss_user_labels2
1075 SET unread = false, last_read = NOW()
1076 WHERE label_id = '$label_id' AND unread = true
1077 AND $ref_check_qpart
1078 AND owner_uid = '$owner_uid' AND ref_id = article_id");
1082 ccache_update($link, $feed, $owner_uid, $cat_view);
1085 db_query($link, "BEGIN");
1087 $tag_name = db_escape_string($feed);
1089 $result = db_query($link, "SELECT post_int_id FROM ttrss_tags
1090 WHERE tag_name = '$tag_name' AND owner_uid = $owner_uid");
1092 while ($line = db_fetch_assoc($result)) {
1093 db_query($link, "UPDATE ttrss_user_entries SET
1094 unread = false, last_read = NOW()
1095 WHERE $ref_check_qpart AND unread = true
1096 AND int_id = " . $line["post_int_id"]);
1098 db_query($link, "COMMIT");
1102 function getAllCounters($link) {
1103 $data = getGlobalCounters($link);
1105 $data = array_merge($data, getVirtCounters($link));
1106 $data = array_merge($data, getLabelCounters($link));
1107 $data = array_merge($data, getFeedCounters($link, $active_feed));
1108 $data = array_merge($data, getCategoryCounters($link));
1113 function getCategoryTitle($link, $cat_id) {
1115 if ($cat_id == -1) {
1116 return __("Special");
1117 } else if ($cat_id == -2) {
1118 return __("Labels");
1121 $result = db_query($link, "SELECT title FROM ttrss_feed_categories WHERE
1124 if (db_num_rows($result) == 1) {
1125 return db_fetch_result($result, 0, "title");
1127 return __("Uncategorized");
1133 function getCategoryCounters($link) {
1136 /* Labels category */
1138 $cv = array("id" => -2, "kind" => "cat",
1139 "counter" => getCategoryUnread($link, -2));
1141 array_push($ret_arr, $cv);
1143 $result = db_query($link, "SELECT id AS cat_id, value AS unread,
1144 (SELECT COUNT(id) FROM ttrss_feed_categories AS c2
1145 WHERE c2.parent_cat = ttrss_feed_categories.id) AS num_children
1146 FROM ttrss_feed_categories, ttrss_cat_counters_cache
1147 WHERE ttrss_cat_counters_cache.feed_id = id AND
1148 ttrss_cat_counters_cache.owner_uid = ttrss_feed_categories.owner_uid AND
1149 ttrss_feed_categories.owner_uid = " . $_SESSION["uid"]);
1151 while ($line = db_fetch_assoc($result)) {
1152 $line["cat_id"] = (int) $line["cat_id"];
1154 if ($line["num_children"] > 0) {
1155 $child_counter = getCategoryChildrenUnread($link, $line["cat_id"], $_SESSION["uid"]);
1160 $cv = array("id" => $line["cat_id"], "kind" => "cat",
1161 "counter" => $line["unread"] +
$child_counter);
1163 array_push($ret_arr, $cv);
1166 /* Special case: NULL category doesn't actually exist in the DB */
1168 $cv = array("id" => 0, "kind" => "cat",
1169 "counter" => (int) ccache_find($link, 0, $_SESSION["uid"], true));
1171 array_push($ret_arr, $cv);
1176 // only accepts real cats (>= 0)
1177 function getCategoryChildrenUnread($link, $cat, $owner_uid = false) {
1178 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1180 $result = db_query($link, "SELECT id FROM ttrss_feed_categories WHERE parent_cat = '$cat'
1181 AND owner_uid = $owner_uid");
1185 while ($line = db_fetch_assoc($result)) {
1186 $unread +
= getCategoryUnread($link, $line["id"], $owner_uid);
1187 $unread +
= getCategoryChildrenUnread($link, $line["id"], $owner_uid);
1193 function getCategoryUnread($link, $cat, $owner_uid = false) {
1195 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1200 $cat_query = "cat_id = '$cat'";
1202 $cat_query = "cat_id IS NULL";
1205 $result = db_query($link, "SELECT id FROM ttrss_feeds WHERE $cat_query
1206 AND owner_uid = " . $owner_uid);
1208 $cat_feeds = array();
1209 while ($line = db_fetch_assoc($result)) {
1210 array_push($cat_feeds, "feed_id = " . $line["id"]);
1213 if (count($cat_feeds) == 0) return 0;
1215 $match_part = implode(" OR ", $cat_feeds);
1217 $result = db_query($link, "SELECT COUNT(int_id) AS unread
1218 FROM ttrss_user_entries
1219 WHERE unread = true AND ($match_part)
1220 AND owner_uid = " . $owner_uid);
1224 # this needs to be rewritten
1225 while ($line = db_fetch_assoc($result)) {
1226 $unread +
= $line["unread"];
1230 } else if ($cat == -1) {
1231 return getFeedUnread($link, -1) +
getFeedUnread($link, -2) +
getFeedUnread($link, -3) +
getFeedUnread($link, 0);
1232 } else if ($cat == -2) {
1234 $result = db_query($link, "
1235 SELECT COUNT(unread) AS unread FROM
1236 ttrss_user_entries, ttrss_user_labels2
1237 WHERE article_id = ref_id AND unread = true
1238 AND ttrss_user_entries.owner_uid = '$owner_uid'");
1240 $unread = db_fetch_result($result, 0, "unread");
1247 function getFeedUnread($link, $feed, $is_cat = false) {
1248 return getFeedArticles($link, $feed, $is_cat, true, $_SESSION["uid"]);
1251 function getLabelUnread($link, $label_id, $owner_uid = false) {
1252 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1254 $result = db_query($link, "SELECT COUNT(ref_id) AS unread FROM ttrss_user_entries, ttrss_user_labels2
1255 WHERE owner_uid = '$owner_uid' AND unread = true AND label_id = '$label_id' AND article_id = ref_id");
1257 if (db_num_rows($result) != 0) {
1258 return db_fetch_result($result, 0, "unread");
1264 function getFeedArticles($link, $feed, $is_cat = false, $unread_only = false,
1265 $owner_uid = false) {
1267 $n_feed = (int) $feed;
1268 $need_entries = false;
1270 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1273 $unread_qpart = "unread = true";
1275 $unread_qpart = "true";
1279 return getCategoryUnread($link, $n_feed, $owner_uid);
1280 } else if ($n_feed == -6) {
1282 } else if ($feed != "0" && $n_feed == 0) {
1284 $feed = db_escape_string($feed);
1286 $result = db_query($link, "SELECT SUM((SELECT COUNT(int_id)
1287 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
1288 AND ref_id = id AND $unread_qpart)) AS count FROM ttrss_tags
1289 WHERE owner_uid = $owner_uid AND tag_name = '$feed'");
1290 return db_fetch_result($result, 0, "count");
1292 } else if ($n_feed == -1) {
1293 $match_part = "marked = true";
1294 } else if ($n_feed == -2) {
1295 $match_part = "published = true";
1296 } else if ($n_feed == -3) {
1297 $match_part = "unread = true AND score >= 0";
1299 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
1301 if (DB_TYPE
== "pgsql") {
1302 $match_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
1304 $match_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
1307 $need_entries = true;
1309 } else if ($n_feed == -4) {
1310 $match_part = "true";
1311 } else if ($n_feed >= 0) {
1314 $match_part = "feed_id = '$n_feed'";
1316 $match_part = "feed_id IS NULL";
1319 } else if ($feed < -10) {
1321 $label_id = -$feed - 11;
1323 return getLabelUnread($link, $label_id, $owner_uid);
1329 if ($need_entries) {
1330 $from_qpart = "ttrss_user_entries,ttrss_entries";
1331 $from_where = "ttrss_entries.id = ttrss_user_entries.ref_id AND";
1333 $from_qpart = "ttrss_user_entries";
1336 $query = "SELECT count(int_id) AS unread
1337 FROM $from_qpart WHERE
1338 $unread_qpart AND $from_where ($match_part) AND ttrss_user_entries.owner_uid = $owner_uid";
1340 //echo "[$feed/$query]\n";
1342 $result = db_query($link, $query);
1346 $result = db_query($link, "SELECT COUNT(post_int_id) AS unread
1347 FROM ttrss_tags,ttrss_user_entries,ttrss_entries
1348 WHERE tag_name = '$feed' AND post_int_id = int_id AND ref_id = ttrss_entries.id
1349 AND $unread_qpart AND ttrss_tags.owner_uid = " . $owner_uid);
1352 $unread = db_fetch_result($result, 0, "unread");
1357 function getGlobalUnread($link, $user_id = false) {
1360 $user_id = $_SESSION["uid"];
1363 $result = db_query($link, "SELECT SUM(value) AS c_id FROM ttrss_counters_cache
1364 WHERE owner_uid = '$user_id' AND feed_id > 0");
1366 $c_id = db_fetch_result($result, 0, "c_id");
1371 function getGlobalCounters($link, $global_unread = -1) {
1374 if ($global_unread == -1) {
1375 $global_unread = getGlobalUnread($link);
1378 $cv = array("id" => "global-unread",
1379 "counter" => (int) $global_unread);
1381 array_push($ret_arr, $cv);
1383 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
1384 ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
1386 $subscribed_feeds = db_fetch_result($result, 0, "fn");
1388 $cv = array("id" => "subscribed-feeds",
1389 "counter" => (int) $subscribed_feeds);
1391 array_push($ret_arr, $cv);
1396 function getVirtCounters($link) {
1400 for ($i = 0; $i >= -4; $i--) {
1402 $count = getFeedUnread($link, $i);
1404 $cv = array("id" => $i,
1405 "counter" => (int) $count);
1407 // if (get_pref($link, 'EXTENDED_FEEDLIST'))
1408 // $cv["xmsg"] = getFeedArticles($link, $i)." ".__("total");
1410 array_push($ret_arr, $cv);
1416 function getLabelCounters($link, $descriptions = false) {
1420 $owner_uid = $_SESSION["uid"];
1422 $result = db_query($link, "SELECT id,caption,COUNT(unread) AS unread
1423 FROM ttrss_labels2 LEFT JOIN ttrss_user_labels2 ON
1424 (ttrss_labels2.id = label_id)
1425 LEFT JOIN ttrss_user_entries ON (ref_id = article_id AND unread = true)
1426 WHERE ttrss_labels2.owner_uid = $owner_uid GROUP BY ttrss_labels2.id,
1427 ttrss_labels2.caption");
1429 while ($line = db_fetch_assoc($result)) {
1431 $id = -$line["id"] - 11;
1433 $label_name = $line["caption"];
1434 $count = $line["unread"];
1436 $cv = array("id" => $id,
1437 "counter" => (int) $count);
1440 $cv["description"] = $label_name;
1442 // if (get_pref($link, 'EXTENDED_FEEDLIST'))
1443 // $cv["xmsg"] = getFeedArticles($link, $id)." ".__("total");
1445 array_push($ret_arr, $cv);
1451 function getFeedCounters($link, $active_feed = false) {
1455 $query = "SELECT ttrss_feeds.id,
1457 ".SUBSTRING_FOR_DATE
."(ttrss_feeds.last_updated,1,19) AS last_updated,
1458 last_error, value AS count
1459 FROM ttrss_feeds, ttrss_counters_cache
1460 WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
1461 AND ttrss_counters_cache.owner_uid = ttrss_feeds.owner_uid
1462 AND ttrss_counters_cache.feed_id = id";
1464 $result = db_query($link, $query);
1465 $fctrs_modified = false;
1467 while ($line = db_fetch_assoc($result)) {
1470 $count = $line["count"];
1471 $last_error = htmlspecialchars($line["last_error"]);
1473 $last_updated = make_local_datetime($link, $line['last_updated'], false);
1475 $has_img = feed_has_icon($id);
1477 if (date('Y') - date('Y', strtotime($line['last_updated'])) > 2)
1480 $cv = array("id" => $id,
1481 "updated" => $last_updated,
1482 "counter" => (int) $count,
1483 "has_img" => (int) $has_img);
1486 $cv["error"] = $last_error;
1488 // if (get_pref($link, 'EXTENDED_FEEDLIST'))
1489 // $cv["xmsg"] = getFeedArticles($link, $id)." ".__("total");
1491 if ($active_feed && $id == $active_feed)
1492 $cv["title"] = truncate_string($line["title"], 30);
1494 array_push($ret_arr, $cv);
1501 function get_pgsql_version($link) {
1502 $result = db_query($link, "SELECT version() AS version");
1503 $version = explode(" ", db_fetch_result($result, 0, "version"));
1508 * @return array (code => Status code, message => error message if available)
1510 * 0 - OK, Feed already exists
1511 * 1 - OK, Feed added
1513 * 3 - URL content is HTML, no feeds available
1514 * 4 - URL content is HTML which contains multiple feeds.
1515 * Here you should call extractfeedurls in rpc-backend
1516 * to get all possible feeds.
1517 * 5 - Couldn't download the URL content.
1519 function subscribe_to_feed($link, $url, $cat_id = 0,
1520 $auth_login = '', $auth_pass = '', $need_auth = false) {
1522 global $fetch_last_error;
1524 require_once "include/rssfuncs.php";
1526 $url = fix_url($url);
1528 if (!$url ||
!validate_feed_url($url)) return array("code" => 2);
1530 $contents = @fetch_file_contents
($url, false, $auth_login, $auth_pass);
1533 return array("code" => 5, "message" => $fetch_last_error);
1536 if (is_html($contents)) {
1537 $feedUrls = get_feeds_from_html($url, $contents);
1539 if (count($feedUrls) == 0) {
1540 return array("code" => 3);
1541 } else if (count($feedUrls) > 1) {
1542 return array("code" => 4, "feeds" => $feedUrls);
1544 //use feed url as new URL
1545 $url = key($feedUrls);
1548 if ($cat_id == "0" ||
!$cat_id) {
1549 $cat_qpart = "NULL";
1551 $cat_qpart = "'$cat_id'";
1554 $result = db_query($link,
1555 "SELECT id FROM ttrss_feeds
1556 WHERE feed_url = '$url' AND owner_uid = ".$_SESSION["uid"]);
1558 if (db_num_rows($result) == 0) {
1559 $result = db_query($link,
1560 "INSERT INTO ttrss_feeds
1561 (owner_uid,feed_url,title,cat_id, auth_login,auth_pass,update_method)
1562 VALUES ('".$_SESSION["uid"]."', '$url',
1563 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass', 0)");
1565 $result = db_query($link,
1566 "SELECT id FROM ttrss_feeds WHERE feed_url = '$url'
1567 AND owner_uid = " . $_SESSION["uid"]);
1569 $feed_id = db_fetch_result($result, 0, "id");
1572 update_rss_feed($link, $feed_id, true);
1575 return array("code" => 1);
1577 return array("code" => 0);
1581 function print_feed_select($link, $id, $default_id = "",
1582 $attributes = "", $include_all_feeds = true,
1583 $root_id = false, $nest_level = 0) {
1586 print "<select id=\"$id\" name=\"$id\" $attributes>";
1587 if ($include_all_feeds) {
1588 $is_selected = ("0" == $default_id) ?
"selected=\"1\"" : "";
1589 print "<option $is_selected value=\"0\">".__('All feeds')."</option>";
1593 if (get_pref($link, 'ENABLE_FEED_CATS')) {
1596 $parent_qpart = "parent_cat = '$root_id'";
1598 $parent_qpart = "parent_cat IS NULL";
1600 $result = db_query($link, "SELECT id,title,
1601 (SELECT COUNT(id) FROM ttrss_feed_categories AS c2 WHERE
1602 c2.parent_cat = ttrss_feed_categories.id) AS num_children
1603 FROM ttrss_feed_categories
1604 WHERE owner_uid = ".$_SESSION["uid"]." AND $parent_qpart ORDER BY title");
1606 while ($line = db_fetch_assoc($result)) {
1608 for ($i = 0; $i < $nest_level; $i++
)
1609 $line["title"] = " - " . $line["title"];
1611 $is_selected = ("CAT:".$line["id"] == $default_id) ?
"selected=\"1\"" : "";
1613 printf("<option $is_selected value='CAT:%d'>%s</option>",
1614 $line["id"], htmlspecialchars($line["title"]));
1616 if ($line["num_children"] > 0)
1617 print_feed_select($link, $id, $default_id, $attributes,
1618 $include_all_feeds, $line["id"], $nest_level+
1);
1620 $feed_result = db_query($link, "SELECT id,title FROM ttrss_feeds
1621 WHERE cat_id = '".$line["id"]."' AND owner_uid = ".$_SESSION["uid"] . " ORDER BY title");
1623 while ($fline = db_fetch_assoc($feed_result)) {
1624 $is_selected = ($fline["id"] == $default_id) ?
"selected=\"1\"" : "";
1626 $fline["title"] = " + " . $fline["title"];
1628 for ($i = 0; $i < $nest_level; $i++
)
1629 $fline["title"] = " - " . $fline["title"];
1631 printf("<option $is_selected value='%d'>%s</option>",
1632 $fline["id"], htmlspecialchars($fline["title"]));
1637 $is_selected = ($default_id == "CAT:0") ?
"selected=\"1\"" : "";
1639 printf("<option $is_selected value='CAT:0'>%s</option>",
1640 __("Uncategorized"));
1642 $feed_result = db_query($link, "SELECT id,title FROM ttrss_feeds
1643 WHERE cat_id IS NULL AND owner_uid = ".$_SESSION["uid"] . " ORDER BY title");
1645 while ($fline = db_fetch_assoc($feed_result)) {
1646 $is_selected = ($fline["id"] == $default_id && !$default_is_cat) ?
"selected=\"1\"" : "";
1648 $fline["title"] = " + " . $fline["title"];
1650 for ($i = 0; $i < $nest_level; $i++
)
1651 $fline["title"] = " - " . $fline["title"];
1653 printf("<option $is_selected value='%d'>%s</option>",
1654 $fline["id"], htmlspecialchars($fline["title"]));
1659 $result = db_query($link, "SELECT id,title FROM ttrss_feeds
1660 WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
1662 while ($line = db_fetch_assoc($result)) {
1664 $is_selected = ($line["id"] == $default_id) ?
"selected=\"1\"" : "";
1666 printf("<option $is_selected value='%d'>%s</option>",
1667 $line["id"], htmlspecialchars($line["title"]));
1676 function print_feed_cat_select($link, $id, $default_id,
1677 $attributes, $include_all_cats = true, $root_id = false, $nest_level = 0) {
1680 print "<select id=\"$id\" name=\"$id\" default=\"$default_id\" onchange=\"catSelectOnChange(this)\" $attributes>";
1684 $parent_qpart = "parent_cat = '$root_id'";
1686 $parent_qpart = "parent_cat IS NULL";
1688 $result = db_query($link, "SELECT id,title,
1689 (SELECT COUNT(id) FROM ttrss_feed_categories AS c2 WHERE
1690 c2.parent_cat = ttrss_feed_categories.id) AS num_children
1691 FROM ttrss_feed_categories
1692 WHERE owner_uid = ".$_SESSION["uid"]." AND $parent_qpart ORDER BY title");
1694 while ($line = db_fetch_assoc($result)) {
1695 if ($line["id"] == $default_id) {
1696 $is_selected = "selected=\"1\"";
1701 for ($i = 0; $i < $nest_level; $i++
)
1702 $line["title"] = " - " . $line["title"];
1705 printf("<option $is_selected value='%d'>%s</option>",
1706 $line["id"], htmlspecialchars($line["title"]));
1708 if ($line["num_children"] > 0)
1709 print_feed_cat_select($link, $id, $default_id, $attributes,
1710 $include_all_cats, $line["id"], $nest_level+
1);
1714 if ($include_all_cats) {
1715 if (db_num_rows($result) > 0) {
1716 print "<option disabled=\"1\">--------</option>";
1719 if ($default_id == 0) {
1720 $is_selected = "selected=\"1\"";
1725 print "<option $is_selected value=\"0\">".__('Uncategorized')."</option>";
1731 function checkbox_to_sql_bool($val) {
1732 return ($val == "on") ?
"true" : "false";
1735 function getFeedCatTitle($link, $id) {
1737 return __("Special");
1738 } else if ($id < -10) {
1739 return __("Labels");
1740 } else if ($id > 0) {
1741 $result = db_query($link, "SELECT ttrss_feed_categories.title
1742 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
1743 cat_id = ttrss_feed_categories.id");
1744 if (db_num_rows($result) == 1) {
1745 return db_fetch_result($result, 0, "title");
1747 return __("Uncategorized");
1750 return "getFeedCatTitle($id) failed";
1755 function getFeedIcon($id) {
1758 return "images/archive.png";
1761 return "images/mark_set.svg";
1764 return "images/pub_set.svg";
1767 return "images/fresh.png";
1770 return "images/tag.png";
1773 return "images/recently_read.png";
1777 return "images/label.png";
1779 if (file_exists(ICONS_DIR
. "/$id.ico"))
1780 return ICONS_URL
. "/$id.ico";
1786 function getFeedTitle($link, $id, $cat = false) {
1788 return getCategoryTitle($link, $id);
1789 } else if ($id == -1) {
1790 return __("Starred articles");
1791 } else if ($id == -2) {
1792 return __("Published articles");
1793 } else if ($id == -3) {
1794 return __("Fresh articles");
1795 } else if ($id == -4) {
1796 return __("All articles");
1797 } else if ($id === 0 ||
$id === "0") {
1798 return __("Archived articles");
1799 } else if ($id == -6) {
1800 return __("Recently read");
1801 } else if ($id < -10) {
1802 $label_id = -$id - 11;
1803 $result = db_query($link, "SELECT caption FROM ttrss_labels2 WHERE id = '$label_id'");
1804 if (db_num_rows($result) == 1) {
1805 return db_fetch_result($result, 0, "caption");
1807 return "Unknown label ($label_id)";
1810 } else if (is_numeric($id) && $id > 0) {
1811 $result = db_query($link, "SELECT title FROM ttrss_feeds WHERE id = '$id'");
1812 if (db_num_rows($result) == 1) {
1813 return db_fetch_result($result, 0, "title");
1815 return "Unknown feed ($id)";
1822 function make_init_params($link) {
1825 $params["sign_progress"] = theme_image($link, "images/indicator_white.gif");
1826 $params["sign_progress_tiny"] = theme_image($link, "images/indicator_tiny.gif");
1827 $params["sign_excl"] = theme_image($link, "images/sign_excl.svg");
1828 $params["sign_info"] = theme_image($link, "images/sign_info.svg");
1830 foreach (array("ON_CATCHUP_SHOW_NEXT_FEED", "HIDE_READ_FEEDS",
1831 "ENABLE_FEED_CATS", "FEEDS_SORT_BY_UNREAD", "CONFIRM_FEED_CATCHUP",
1832 "CDM_AUTO_CATCHUP", "FRESH_ARTICLE_MAX_AGE", "DEFAULT_ARTICLE_LIMIT",
1833 "HIDE_READ_SHOWS_SPECIAL", "COMBINED_DISPLAY_MODE") as $param) {
1835 $params[strtolower($param)] = (int) get_pref($link, $param);
1838 $params["icons_url"] = ICONS_URL
;
1839 $params["cookie_lifetime"] = SESSION_COOKIE_LIFETIME
;
1840 $params["default_view_mode"] = get_pref($link, "_DEFAULT_VIEW_MODE");
1841 $params["default_view_limit"] = (int) get_pref($link, "_DEFAULT_VIEW_LIMIT");
1842 $params["default_view_order_by"] = get_pref($link, "_DEFAULT_VIEW_ORDER_BY");
1843 $params["bw_limit"] = (int) $_SESSION["bw_limit"];
1845 $result = db_query($link, "SELECT MAX(id) AS mid, COUNT(*) AS nf FROM
1846 ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
1848 $max_feed_id = db_fetch_result($result, 0, "mid");
1849 $num_feeds = db_fetch_result($result, 0, "nf");
1851 $params["max_feed_id"] = (int) $max_feed_id;
1852 $params["num_feeds"] = (int) $num_feeds;
1854 $params["collapsed_feedlist"] = (int) get_pref($link, "_COLLAPSED_FEEDLIST");
1855 $params["hotkeys"] = get_hotkeys_map($link);
1857 $params["csrf_token"] = $_SESSION["csrf_token"];
1858 $params["widescreen"] = (int) $_COOKIE["ttrss_widescreen"];
1860 $params['simple_update'] = defined('SIMPLE_UPDATE_MODE') && SIMPLE_UPDATE_MODE
;
1865 function get_hotkeys_info($link) {
1867 __("Navigation") => array(
1868 "next_feed" => __("Open next feed"),
1869 "prev_feed" => __("Open previous feed"),
1870 "next_article" => __("Open next article"),
1871 "prev_article" => __("Open previous article"),
1872 "next_article_noscroll" => __("Open next article (don't scroll long articles)"),
1873 "prev_article_noscroll" => __("Open previous article (don't scroll long articles)"),
1874 "search_dialog" => __("Show search dialog")),
1875 __("Article") => array(
1876 "toggle_mark" => __("Toggle starred"),
1877 "toggle_publ" => __("Toggle published"),
1878 "toggle_unread" => __("Toggle unread"),
1879 "edit_tags" => __("Edit tags"),
1880 "dismiss_selected" => __("Dismiss selected"),
1881 "dismiss_read" => __("Dismiss read"),
1882 "open_in_new_window" => __("Open in new window"),
1883 "catchup_below" => __("Mark below as read"),
1884 "catchup_above" => __("Mark above as read"),
1885 "article_scroll_down" => __("Scroll down"),
1886 "article_scroll_up" => __("Scroll up"),
1887 "select_article_cursor" => __("Select article under cursor"),
1888 "email_article" => __("Email article"),
1889 "close_article" => __("Close article"),
1890 "toggle_widescreen" => __("Toggle widescreen mode")),
1891 __("Article selection") => array(
1892 "select_all" => __("Select all articles"),
1893 "select_unread" => __("Select unread"),
1894 "select_marked" => __("Select starred"),
1895 "select_published" => __("Select published"),
1896 "select_invert" => __("Invert selection"),
1897 "select_none" => __("Deselect everything")),
1898 __("Feed") => array(
1899 "feed_refresh" => __("Refresh current feed"),
1900 "feed_unhide_read" => __("Un/hide read feeds"),
1901 "feed_subscribe" => __("Subscribe to feed"),
1902 "feed_edit" => __("Edit feed"),
1903 "feed_catchup" => __("Mark as read"),
1904 "feed_reverse" => __("Reverse headlines"),
1905 "feed_debug_update" => __("Debug feed update"),
1906 "catchup_all" => __("Mark all feeds as read"),
1907 "cat_toggle_collapse" => __("Un/collapse current category"),
1908 "toggle_combined_mode" => __("Toggle combined mode")),
1909 __("Go to") => array(
1910 "goto_all" => __("All articles"),
1911 "goto_fresh" => __("Fresh"),
1912 "goto_marked" => __("Starred"),
1913 "goto_published" => __("Published"),
1914 "goto_tagcloud" => __("Tag cloud"),
1915 "goto_prefs" => __("Preferences")),
1916 __("Other") => array(
1917 "create_label" => __("Create label"),
1918 "create_filter" => __("Create filter"),
1919 "collapse_sidebar" => __("Un/collapse sidebar"),
1920 "help_dialog" => __("Show help dialog"))
1926 function get_hotkeys_map($link) {
1928 // "navigation" => array(
1931 "n" => "next_article",
1932 "p" => "prev_article",
1933 "(38)|up" => "prev_article",
1934 "(40)|down" => "next_article",
1935 // "^(38)|Ctrl-up" => "prev_article_noscroll",
1936 // "^(40)|Ctrl-down" => "next_article_noscroll",
1937 "(191)|/" => "search_dialog",
1938 // "article" => array(
1939 "s" => "toggle_mark",
1940 "*s" => "toggle_publ",
1941 "u" => "toggle_unread",
1942 "*t" => "edit_tags",
1943 "*d" => "dismiss_selected",
1944 "*x" => "dismiss_read",
1945 "o" => "open_in_new_window",
1946 "c p" => "catchup_below",
1947 "c n" => "catchup_above",
1948 "*n" => "article_scroll_down",
1949 "*p" => "article_scroll_up",
1950 "a *w" => "toggle_widescreen",
1951 "e" => "email_article",
1952 "a q" => "close_article",
1953 // "article_selection" => array(
1954 "a a" => "select_all",
1955 "a u" => "select_unread",
1956 "a *u" => "select_marked",
1957 "a p" => "select_published",
1958 "a i" => "select_invert",
1959 "a n" => "select_none",
1961 "f r" => "feed_refresh",
1962 "f a" => "feed_unhide_read",
1963 "f s" => "feed_subscribe",
1964 "f e" => "feed_edit",
1965 "f q" => "feed_catchup",
1966 "f x" => "feed_reverse",
1967 "f *d" => "feed_debug_update",
1968 "f *c" => "toggle_combined_mode",
1969 "*q" => "catchup_all",
1970 "x" => "cat_toggle_collapse",
1972 "g a" => "goto_all",
1973 "g f" => "goto_fresh",
1974 "g s" => "goto_marked",
1975 "g p" => "goto_published",
1976 "g t" => "goto_tagcloud",
1977 "g *p" => "goto_prefs",
1978 // "other" => array(
1979 "(9)|Tab" => "select_article_cursor", // tab
1980 "c l" => "create_label",
1981 "c f" => "create_filter",
1982 "c s" => "collapse_sidebar",
1983 "^(191)|Ctrl+/" => "help_dialog",
1986 if (get_pref($link, 'COMBINED_DISPLAY_MODE')) {
1987 $hotkeys["^(38)|Ctrl-up"] = "prev_article_noscroll";
1988 $hotkeys["^(40)|Ctrl-down"] = "next_article_noscroll";
1992 foreach ($pluginhost->get_hooks($pluginhost::HOOK_HOTKEY_MAP
) as $plugin) {
1993 $hotkeys = $plugin->hook_hotkey_map($hotkeys);
1996 $prefixes = array();
1998 foreach (array_keys($hotkeys) as $hotkey) {
1999 $pair = explode(" ", $hotkey, 2);
2001 if (count($pair) > 1 && !in_array($pair[0], $prefixes)) {
2002 array_push($prefixes, $pair[0]);
2006 return array($prefixes, $hotkeys);
2009 function make_runtime_info($link) {
2012 $result = db_query($link, "SELECT MAX(id) AS mid, COUNT(*) AS nf FROM
2013 ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2015 $max_feed_id = db_fetch_result($result, 0, "mid");
2016 $num_feeds = db_fetch_result($result, 0, "nf");
2018 $data["max_feed_id"] = (int) $max_feed_id;
2019 $data["num_feeds"] = (int) $num_feeds;
2021 $data['last_article_id'] = getLastArticleId($link);
2022 $data['cdm_expanded'] = get_pref($link, 'CDM_EXPANDED');
2024 if (file_exists(LOCK_DIRECTORY
. "/update_daemon.lock")) {
2026 $data['daemon_is_running'] = (int) file_is_locked("update_daemon.lock");
2028 if (time() - $_SESSION["daemon_stamp_check"] > 30) {
2030 $stamp = (int) @file_get_contents
(LOCK_DIRECTORY
. "/update_daemon.stamp");
2033 $stamp_delta = time() - $stamp;
2035 if ($stamp_delta > 1800) {
2039 $_SESSION["daemon_stamp_check"] = time();
2042 $data['daemon_stamp_ok'] = $stamp_check;
2044 $stamp_fmt = date("Y.m.d, G:i", $stamp);
2046 $data['daemon_stamp'] = $stamp_fmt;
2051 if ($_SESSION["last_version_check"] +
86400 +
rand(-1000, 1000) < time()) {
2052 $new_version_details = @check_for_update
($link);
2054 $data['new_version_available'] = (int) ($new_version_details != false);
2056 $_SESSION["last_version_check"] = time();
2057 $_SESSION["version_data"] = $new_version_details;
2063 function search_to_sql($link, $search, $match_on) {
2065 $search_query_part = "";
2067 $keywords = explode(" ", $search);
2068 $query_keywords = array();
2070 foreach ($keywords as $k) {
2071 if (strpos($k, "-") === 0) {
2078 $commandpair = explode(":", mb_strtolower($k), 2);
2080 if ($commandpair[0] == "note" && $commandpair[1]) {
2082 if ($commandpair[1] == "true")
2083 array_push($query_keywords, "($not (note IS NOT NULL AND note != ''))");
2085 array_push($query_keywords, "($not (note IS NULL OR note = ''))");
2087 } else if ($commandpair[0] == "star" && $commandpair[1]) {
2089 if ($commandpair[1] == "true")
2090 array_push($query_keywords, "($not (marked = true))");
2092 array_push($query_keywords, "($not (marked = false))");
2094 } else if ($commandpair[0] == "pub" && $commandpair[1]) {
2096 if ($commandpair[1] == "true")
2097 array_push($query_keywords, "($not (published = true))");
2099 array_push($query_keywords, "($not (published = false))");
2101 } else if (strpos($k, "@") === 0) {
2103 $user_tz_string = get_pref($link, 'USER_TIMEZONE', $_SESSION['uid']);
2104 $orig_ts = strtotime(substr($k, 1));
2105 $k = date("Y-m-d", convert_timestamp($orig_ts, $user_tz_string, 'UTC'));
2107 //$k = date("Y-m-d", strtotime(substr($k, 1)));
2109 array_push($query_keywords, "(".SUBSTRING_FOR_DATE
."(updated,1,LENGTH('$k')) $not = '$k')");
2110 } else if ($match_on == "both") {
2111 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
2112 OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2113 } else if ($match_on == "title") {
2114 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%'))");
2115 } else if ($match_on == "content") {
2116 array_push($query_keywords, "(UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
2120 $search_query_part = implode("AND", $query_keywords);
2122 return $search_query_part;
2125 function getParentCategories($link, $cat, $owner_uid) {
2128 $result = db_query($link, "SELECT parent_cat FROM ttrss_feed_categories
2129 WHERE id = '$cat' AND parent_cat IS NOT NULL AND owner_uid = $owner_uid");
2131 while ($line = db_fetch_assoc($result)) {
2132 array_push($rv, $line["parent_cat"]);
2133 $rv = array_merge($rv, getParentCategories($link, $line["parent_cat"], $owner_uid));
2139 function getChildCategories($link, $cat, $owner_uid) {
2142 $result = db_query($link, "SELECT id FROM ttrss_feed_categories
2143 WHERE parent_cat = '$cat' AND owner_uid = $owner_uid");
2145 while ($line = db_fetch_assoc($result)) {
2146 array_push($rv, $line["id"]);
2147 $rv = array_merge($rv, getChildCategories($link, $line["id"], $owner_uid));
2153 function queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view, $search, $search_mode, $match_on, $override_order = false, $offset = 0, $owner_uid = 0, $filter = false, $since_id = 0, $include_children = false, $ignore_vfeed_group = false) {
2155 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2157 $ext_tables_part = "";
2161 if (SPHINX_ENABLED
) {
2162 $ids = join(",", @sphinx_search
($search, 0, 500));
2165 $search_query_part = "ref_id IN ($ids) AND ";
2167 $search_query_part = "ref_id = -1 AND ";
2170 $search_query_part = search_to_sql($link, $search, $match_on);
2171 $search_query_part .= " AND ";
2175 $search_query_part = "";
2180 if (DB_TYPE
== "pgsql") {
2181 $query_strategy_part .= " AND updated > NOW() - INTERVAL '14 days' ";
2183 $query_strategy_part .= " AND updated > DATE_SUB(NOW(), INTERVAL 14 DAY) ";
2186 $override_order = "updated DESC";
2188 $filter_query_part = filter_to_sql($link, $filter, $owner_uid);
2190 // Try to check if SQL regexp implementation chokes on a valid regexp
2191 $result = db_query($link, "SELECT true AS true_val FROM ttrss_entries,
2192 ttrss_user_entries, ttrss_feeds, ttrss_feed_categories
2193 WHERE $filter_query_part LIMIT 1", false);
2196 $test = db_fetch_result($result, 0, "true_val");
2199 $filter_query_part = "false AND";
2201 $filter_query_part .= " AND";
2204 $filter_query_part = "false AND";
2208 $filter_query_part = "";
2212 $since_id_part = "ttrss_entries.id > $since_id AND ";
2214 $since_id_part = "";
2217 $view_query_part = "";
2219 if ($view_mode == "adaptive" ||
$view_query_part == "noscores") {
2221 $view_query_part = " ";
2222 } else if ($feed != -1) {
2223 $unread = getFeedUnread($link, $feed, $cat_view);
2225 if ($cat_view && $feed > 0 && $include_children)
2226 $unread +
= getCategoryChildrenUnread($link, $feed);
2229 $view_query_part = " unread = true AND ";
2234 if ($view_mode == "marked") {
2235 $view_query_part = " marked = true AND ";
2238 if ($view_mode == "published") {
2239 $view_query_part = " published = true AND ";
2242 if ($view_mode == "unread") {
2243 $view_query_part = " unread = true AND ";
2246 if ($view_mode == "updated") {
2247 $view_query_part = " (last_read is null and unread = false) AND ";
2251 $limit_query_part = "LIMIT " . $limit;
2254 $allow_archived = false;
2256 $vfeed_query_part = "";
2258 // override query strategy and enable feed display when searching globally
2259 if ($search && $search_mode == "all_feeds") {
2260 $query_strategy_part = "true";
2261 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2263 } else if (!is_numeric($feed)) {
2264 $query_strategy_part = "true";
2265 $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
2266 id = feed_id) as feed_title,";
2267 } else if ($search && $search_mode == "this_cat") {
2268 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2271 if ($include_children) {
2272 $subcats = getChildCategories($link, $feed, $owner_uid);
2273 array_push($subcats, $feed);
2274 $cats_qpart = join(",", $subcats);
2276 $cats_qpart = $feed;
2279 $query_strategy_part = "ttrss_feeds.cat_id IN ($cats_qpart)";
2282 $query_strategy_part = "ttrss_feeds.cat_id IS NULL";
2285 } else if ($feed > 0) {
2290 if ($include_children) {
2292 $subcats = getChildCategories($link, $feed, $owner_uid);
2294 array_push($subcats, $feed);
2295 $query_strategy_part = "cat_id IN (".
2296 implode(",", $subcats).")";
2299 $query_strategy_part = "cat_id = '$feed'";
2303 $query_strategy_part = "cat_id IS NULL";
2306 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2309 $query_strategy_part = "feed_id = '$feed'";
2311 } else if ($feed == 0 && !$cat_view) { // archive virtual feed
2312 $query_strategy_part = "feed_id IS NULL";
2313 $allow_archived = true;
2314 } else if ($feed == 0 && $cat_view) { // uncategorized
2315 $query_strategy_part = "cat_id IS NULL AND feed_id IS NOT NULL";
2316 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2317 } else if ($feed == -1) { // starred virtual feed
2318 $query_strategy_part = "marked = true";
2319 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2320 $allow_archived = true;
2322 if (!$override_order) $override_order = "last_marked DESC, updated DESC";
2324 } else if ($feed == -2) { // published virtual feed OR labels category
2327 $query_strategy_part = "published = true";
2328 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2329 $allow_archived = true;
2331 if (!$override_order) $override_order = "last_published DESC, updated DESC";
2333 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2335 $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
2337 $query_strategy_part = "ttrss_labels2.id = ttrss_user_labels2.label_id AND
2338 ttrss_user_labels2.article_id = ref_id";
2341 } else if ($feed == -6) { // recently read
2342 $query_strategy_part = "unread = false AND last_read IS NOT NULL";
2343 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2344 $allow_archived = true;
2346 if (!$override_order) $override_order = "last_read DESC";
2347 } else if ($feed == -3) { // fresh virtual feed
2348 $query_strategy_part = "unread = true AND score >= 0";
2350 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
2352 if (DB_TYPE
== "pgsql") {
2353 $query_strategy_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
2355 $query_strategy_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
2358 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2359 } else if ($feed == -4) { // all articles virtual feed
2360 $query_strategy_part = "true";
2361 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2362 } else if ($feed <= -10) { // labels
2363 $label_id = -$feed - 11;
2365 $query_strategy_part = "label_id = '$label_id' AND
2366 ttrss_labels2.id = ttrss_user_labels2.label_id AND
2367 ttrss_user_labels2.article_id = ref_id";
2369 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2370 $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
2371 $allow_archived = true;
2374 $query_strategy_part = "true";
2377 if (get_pref($link, "SORT_HEADLINES_BY_FEED_DATE", $owner_uid)) {
2378 $date_sort_field = "updated";
2380 $date_sort_field = "date_entered";
2383 if (get_pref($link, 'REVERSE_HEADLINES', $owner_uid)) {
2384 $order_by = "$date_sort_field";
2386 $order_by = "$date_sort_field DESC";
2389 if ($view_mode != "noscores") {
2390 $order_by = "score DESC, $order_by";
2393 if ($override_order) {
2394 $order_by = $override_order;
2400 $feed_title = T_sprintf("Search results: %s", $search);
2403 $feed_title = getCategoryTitle($link, $feed);
2405 if (is_numeric($feed) && $feed > 0) {
2406 $result = db_query($link, "SELECT title,site_url,last_error
2407 FROM ttrss_feeds WHERE id = '$feed' AND owner_uid = $owner_uid");
2409 $feed_title = db_fetch_result($result, 0, "title");
2410 $feed_site_url = db_fetch_result($result, 0, "site_url");
2411 $last_error = db_fetch_result($result, 0, "last_error");
2413 $feed_title = getFeedTitle($link, $feed);
2418 $content_query_part = "content as content_preview, cached_content, ";
2420 if (is_numeric($feed)) {
2423 $feed_kind = "Feeds";
2425 $feed_kind = "Labels";
2428 if ($limit_query_part) {
2429 $offset_query_part = "OFFSET $offset";
2432 // proper override_order applied above
2433 if ($vfeed_query_part && !$ignore_vfeed_group && get_pref($link, 'VFEED_GROUP_BY_FEED', $owner_uid)) {
2434 if (!$override_order) {
2435 $order_by = "ttrss_feeds.title, $order_by";
2437 $order_by = "ttrss_feeds.title, $override_order";
2441 if (!$allow_archived) {
2442 $from_qpart = "ttrss_entries,ttrss_user_entries,ttrss_feeds$ext_tables_part";
2443 $feed_check_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
2446 $from_qpart = "ttrss_entries$ext_tables_part,ttrss_user_entries
2447 LEFT JOIN ttrss_feeds ON (feed_id = ttrss_feeds.id)";
2450 $query = "SELECT DISTINCT
2453 ttrss_entries.id,ttrss_entries.title,
2457 always_display_enclosures,
2463 unread,feed_id,marked,published,link,last_read,orig_feed_id,
2464 last_marked, last_published,
2465 ".SUBSTRING_FOR_DATE
."(last_read,1,19) as last_read_noms,
2468 ".SUBSTRING_FOR_DATE
."(updated,1,19) as updated_noms,
2474 ttrss_user_entries.ref_id = ttrss_entries.id AND
2475 ttrss_user_entries.owner_uid = '$owner_uid' AND
2480 $query_strategy_part ORDER BY $order_by
2481 $limit_query_part $offset_query_part";
2483 if ($_REQUEST["debug"]) print $query;
2485 $result = db_query($link, $query);
2490 $select_qpart = "SELECT DISTINCT " .
2494 "ttrss_entries.id as id," .
2507 "last_marked, last_published, " .
2508 SUBSTRING_FOR_DATE
. "(last_read,1,19) as last_read_noms," .
2511 $content_query_part .
2512 SUBSTRING_FOR_DATE
. "(updated,1,19) as updated_noms," .
2515 $feed_kind = "Tags";
2516 $all_tags = explode(",", $feed);
2517 if ($search_mode == 'any') {
2518 $tag_sql = "tag_name in (" . implode(", ", array_map("db_quote", $all_tags)) . ")";
2519 $from_qpart = " FROM ttrss_entries,ttrss_user_entries,ttrss_tags ";
2520 $where_qpart = " WHERE " .
2521 "ref_id = ttrss_entries.id AND " .
2522 "ttrss_user_entries.owner_uid = $owner_uid AND " .
2523 "post_int_id = int_id AND $tag_sql AND " .
2525 $search_query_part .
2526 $query_strategy_part . " ORDER BY $order_by " .
2531 $sub_selects = array();
2532 $sub_ands = array();
2533 foreach ($all_tags as $term) {
2534 array_push($sub_selects, "(SELECT post_int_id from ttrss_tags WHERE tag_name = " . db_quote($term) . " AND owner_uid = $owner_uid) as A$i");
2541 array_push($sub_ands, "A$x.post_int_id = A$y.post_int_id");
2546 array_push($sub_ands, "A1.post_int_id = ttrss_user_entries.int_id and ttrss_user_entries.owner_uid = $owner_uid");
2547 array_push($sub_ands, "ttrss_user_entries.ref_id = ttrss_entries.id");
2548 $from_qpart = " FROM " . implode(", ", $sub_selects) . ", ttrss_user_entries, ttrss_entries";
2549 $where_qpart = " WHERE " . implode(" AND ", $sub_ands);
2551 // error_log("TAG SQL: " . $tag_sql);
2552 // $tag_sql = "tag_name = '$feed'"; DEFAULT way
2554 // error_log("[". $select_qpart . "][" . $from_qpart . "][" .$where_qpart . "]");
2555 $result = db_query($link, $select_qpart . $from_qpart . $where_qpart);
2558 return array($result, $feed_title, $feed_site_url, $last_error);
2562 function sanitize($link, $str, $force_strip_tags = false, $owner = false, $site_url = false) {
2563 if (!$owner) $owner = $_SESSION["uid"];
2565 $res = trim($str); if (!$res) return '';
2567 if (get_pref($link, "STRIP_IMAGES", $owner)) {
2568 $res = preg_replace('/<img[^>]+>/is', '', $res);
2571 if (strpos($res, "href=") === false)
2572 $res = rewrite_urls($res);
2574 $charset_hack = '<head>
2575 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
2578 $res = trim($res); if (!$res) return '';
2580 libxml_use_internal_errors(true);
2582 $doc = new DOMDocument();
2583 $doc->loadHTML($charset_hack . $res);
2584 $xpath = new DOMXPath($doc);
2586 $entries = $xpath->query('(//a[@href]|//img[@src])');
2588 foreach ($entries as $entry) {
2592 if ($entry->hasAttribute('href'))
2593 $entry->setAttribute('href',
2594 rewrite_relative_url($site_url, $entry->getAttribute('href')));
2596 if ($entry->hasAttribute('src')) {
2597 $src = rewrite_relative_url($site_url, $entry->getAttribute('src'));
2599 $cached_filename = CACHE_DIR
. '/images/' . sha1($src) . '.png';
2601 if (file_exists($cached_filename)) {
2602 $src = SELF_URL_PATH
. '/image.php?hash=' . sha1($src);
2605 $entry->setAttribute('src', $src);
2609 if (strtolower($entry->nodeName
) == "a") {
2610 $entry->setAttribute("target", "_blank");
2614 $entries = $xpath->query('//iframe');
2615 foreach ($entries as $entry) {
2616 $entry->setAttribute('sandbox', true);
2619 $doc->removeChild($doc->firstChild
); //remove doctype
2620 $doc = strip_harmful_tags($doc);
2621 $res = $doc->saveHTML();
2625 function strip_harmful_tags($doc) {
2626 $entries = $doc->getElementsByTagName("*");
2628 $allowed_elements = array('p', 'br', 'div', 'table', 'tr', 'td', 'th',
2629 'ul', 'ol', 'li', 'blockquote', 'span', 'html', 'body', 'a', 'img',
2630 'iframe', 'video', 'audio', 'source');
2632 $disallowed_attributes = array('id', 'style', 'class');
2634 foreach ($entries as $entry) {
2635 if (!in_array($entry->nodeName
, $allowed_elements)) {
2636 $entry->parentNode
->removeChild($entry);
2639 if ($entry->hasAttributes()) {
2640 foreach (iterator_to_array($entry->attributes
) as $attr) {
2642 if (strpos($attr->nodeName
, 'on') === 0) {
2643 $entry->removeAttributeNode($attr);
2646 if (in_array($attr->nodeName
, $disallowed_attributes)) {
2647 $entry->removeAttributeNode($attr);
2656 function check_for_update($link) {
2657 if (CHECK_FOR_NEW_VERSION
&& $_SESSION['access_level'] >= 10) {
2658 $version_url = "http://tt-rss.org/version.php?ver=" . VERSION
.
2659 "&iid=" . sha1(SELF_URL_PATH
);
2661 $version_data = @fetch_file_contents
($version_url);
2663 if ($version_data) {
2664 $version_data = json_decode($version_data, true);
2665 if ($version_data && $version_data['version']) {
2667 if (version_compare(VERSION
, $version_data['version']) == -1) {
2668 return $version_data;
2676 function catchupArticlesById($link, $ids, $cmode, $owner_uid = false) {
2678 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2679 if (count($ids) == 0) return;
2683 foreach ($ids as $id) {
2684 array_push($tmp_ids, "ref_id = '$id'");
2687 $ids_qpart = join(" OR ", $tmp_ids);
2690 db_query($link, "UPDATE ttrss_user_entries SET
2691 unread = false,last_read = NOW()
2692 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
2693 } else if ($cmode == 1) {
2694 db_query($link, "UPDATE ttrss_user_entries SET
2696 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
2698 db_query($link, "UPDATE ttrss_user_entries SET
2699 unread = NOT unread,last_read = NOW()
2700 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
2705 $result = db_query($link, "SELECT DISTINCT feed_id FROM ttrss_user_entries
2706 WHERE ($ids_qpart) AND owner_uid = $owner_uid");
2708 while ($line = db_fetch_assoc($result)) {
2709 ccache_update($link, $line["feed_id"], $owner_uid);
2713 function get_article_tags($link, $id, $owner_uid = 0, $tag_cache = false) {
2715 $a_id = db_escape_string($id);
2717 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2719 $query = "SELECT DISTINCT tag_name,
2720 owner_uid as owner FROM
2721 ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
2722 ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name";
2724 $obj_id = md5("TAGS:$owner_uid:$id");
2727 /* check cache first */
2729 if ($tag_cache === false) {
2730 $result = db_query($link, "SELECT tag_cache FROM ttrss_user_entries
2731 WHERE ref_id = '$id' AND owner_uid = $owner_uid");
2733 $tag_cache = db_fetch_result($result, 0, "tag_cache");
2737 $tags = explode(",", $tag_cache);
2740 /* do it the hard way */
2742 $tmp_result = db_query($link, $query);
2744 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2745 array_push($tags, $tmp_line["tag_name"]);
2748 /* update the cache */
2750 $tags_str = db_escape_string(join(",", $tags));
2752 db_query($link, "UPDATE ttrss_user_entries
2753 SET tag_cache = '$tags_str' WHERE ref_id = '$id'
2754 AND owner_uid = $owner_uid");
2760 function trim_array($array) {
2762 array_walk($tmp, 'trim');
2766 function tag_is_valid($tag) {
2767 if ($tag == '') return false;
2768 if (preg_match("/^[0-9]*$/", $tag)) return false;
2769 if (mb_strlen($tag) > 250) return false;
2771 if (function_exists('iconv')) {
2772 $tag = iconv("utf-8", "utf-8", $tag);
2775 if (!$tag) return false;
2780 function render_login_form($link, $form_id = 0) {
2783 require_once "login_form.php";
2786 require_once "mobile/login_form.php";
2792 // from http://developer.apple.com/internet/safari/faq.html
2793 function no_cache_incantation() {
2794 header("Expires: Mon, 22 Dec 1980 00:00:00 GMT"); // Happy birthday to me :)
2795 header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // always modified
2796 header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0"); // HTTP/1.1
2797 header("Cache-Control: post-check=0, pre-check=0", false);
2798 header("Pragma: no-cache"); // HTTP/1.0
2801 function format_warning($msg, $id = "") {
2803 return "<div class=\"warning\" id=\"$id\">
2804 <img src=\"".theme_image($link, "images/sign_excl.svg")."\">$msg</div>";
2807 function format_notice($msg, $id = "") {
2809 return "<div class=\"notice\" id=\"$id\">
2810 <img src=\"".theme_image($link, "images/sign_info.svg")."\">$msg</div>";
2813 function format_error($msg, $id = "") {
2815 return "<div class=\"error\" id=\"$id\">
2816 <img src=\"".theme_image($link, "images/sign_excl.svg")."\">$msg</div>";
2819 function print_notice($msg) {
2820 return print format_notice($msg);
2823 function print_warning($msg) {
2824 return print format_warning($msg);
2827 function print_error($msg) {
2828 return print format_error($msg);
2832 function T_sprintf() {
2833 $args = func_get_args();
2834 return vsprintf(__(array_shift($args)), $args);
2837 function format_inline_player($link, $url, $ctype) {
2841 if (strpos($ctype, "audio/") === 0) {
2843 if ($_SESSION["hasAudio"] && (strpos($ctype, "ogg") !== false ||
2844 strpos($_SERVER['HTTP_USER_AGENT'], "Chrome") !== false ||
2845 strpos($_SERVER['HTTP_USER_AGENT'], "Safari") !== false )) {
2847 $id = 'AUDIO-' . uniqid();
2849 $entry .= "<audio id=\"$id\"\" controls style='display : none'>
2850 <source type=\"$ctype\" src=\"$url\"></source>
2853 $entry .= "<span onclick=\"player(this)\"
2854 title=\"".__("Click to play")."\" status=\"0\"
2855 class=\"player\" audio-id=\"$id\">".__("Play")."</span>";
2859 $entry .= "<object type=\"application/x-shockwave-flash\"
2860 data=\"lib/button/musicplayer.swf?song_url=$url\"
2861 width=\"17\" height=\"17\" style='float : left; margin-right : 5px;'>
2862 <param name=\"movie\"
2863 value=\"lib/button/musicplayer.swf?song_url=$url\" />
2867 if ($entry) $entry .= " " . basename($url);
2875 /* $filename = substr($url, strrpos($url, "/")+1);
2877 $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
2878 $filename . " (" . $ctype . ")" . "</a>"; */
2882 function format_article($link, $id, $mark_as_read = true, $zoom_mode = false, $owner_uid = false) {
2883 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2889 /* we can figure out feed_id from article id anyway, why do we
2890 * pass feed_id here? let's ignore the argument :( */
2892 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
2893 WHERE ref_id = '$id'");
2895 $feed_id = (int) db_fetch_result($result, 0, "feed_id");
2897 $rv['feed_id'] = $feed_id;
2899 //if (!$zoom_mode) { print "<article id='$id'><![CDATA["; };
2901 if ($mark_as_read) {
2902 $result = db_query($link, "UPDATE ttrss_user_entries
2903 SET unread = false,last_read = NOW()
2904 WHERE ref_id = '$id' AND owner_uid = $owner_uid");
2906 ccache_update($link, $feed_id, $owner_uid);
2909 $result = db_query($link, "SELECT id,title,link,content,feed_id,comments,int_id,
2910 ".SUBSTRING_FOR_DATE
."(updated,1,16) as updated,
2911 (SELECT site_url FROM ttrss_feeds WHERE id = feed_id) as site_url,
2918 FROM ttrss_entries,ttrss_user_entries
2919 WHERE id = '$id' AND ref_id = id AND owner_uid = $owner_uid");
2923 $line = db_fetch_assoc($result);
2925 $tag_cache = $line["tag_cache"];
2927 $line["tags"] = get_article_tags($link, $id, $owner_uid, $line["tag_cache"]);
2928 unset($line["tag_cache"]);
2930 $line["content"] = sanitize($link, $line["content"], false, $owner_uid, $line["site_url"]);
2934 foreach ($pluginhost->get_hooks($pluginhost::HOOK_RENDER_ARTICLE
) as $p) {
2935 $line = $p->hook_render_article($line);
2938 $num_comments = $line["num_comments"];
2939 $entry_comments = "";
2941 if ($num_comments > 0) {
2942 if ($line["comments"]) {
2943 $comments_url = htmlspecialchars($line["comments"]);
2945 $comments_url = htmlspecialchars($line["link"]);
2947 $entry_comments = "<a target='_blank' href=\"$comments_url\">$num_comments comments</a>";
2949 if ($line["comments"] && $line["link"] != $line["comments"]) {
2950 $entry_comments = "<a target='_blank' href=\"".htmlspecialchars($line["comments"])."\">comments</a>";
2955 header("Content-Type: text/html");
2956 $rv['content'] .= "<html><head>
2957 <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
2958 <title>Tiny Tiny RSS - ".$line["title"]."</title>
2959 <link rel=\"stylesheet\" type=\"text/css\" href=\"tt-rss.css\">
2963 $title_escaped = htmlspecialchars($line['title']);
2965 $rv['content'] .= "<div id=\"PTITLE-FULL-$id\" style=\"display : none\">" .
2966 strip_tags($line['title']) . "</div>";
2968 $rv['content'] .= "<div class=\"postReply\" id=\"POST-$id\">";
2970 $rv['content'] .= "<div class=\"postHeader\" id=\"POSTHDR-$id\">";
2972 $entry_author = $line["author"];
2974 if ($entry_author) {
2975 $entry_author = __(" - ") . $entry_author;
2978 $parsed_updated = make_local_datetime($link, $line["updated"], true,
2981 $rv['content'] .= "<div class=\"postDate\">$parsed_updated</div>";
2983 if ($line["link"]) {
2984 $rv['content'] .= "<div class='postTitle'><a target='_blank'
2985 title=\"".htmlspecialchars($line['title'])."\"
2987 htmlspecialchars($line["link"]) . "\">" .
2989 "<span class='author'>$entry_author</span></a></div>";
2991 $rv['content'] .= "<div class='postTitle'>" . $line["title"] . "$entry_author</div>";
2994 $tags_str = format_tags_string($line["tags"], $id);
2995 $tags_str_full = join(", ", $line["tags"]);
2997 if (!$tags_str_full) $tags_str_full = __("no tags");
2999 if (!$entry_comments) $entry_comments = " "; # placeholder
3001 $rv['content'] .= "<div class='postTags' style='float : right'>
3002 <img src='".theme_image($link, 'images/tag.png')."'
3003 class='tagsPic' alt='Tags' title='Tags'> ";
3006 $rv['content'] .= "<span id=\"ATSTR-$id\">$tags_str</span>
3007 <a title=\"".__('Edit tags for this article')."\"
3008 href=\"#\" onclick=\"editArticleTags($id, $feed_id)\">(+)</a>";
3010 $rv['content'] .= "<div dojoType=\"dijit.Tooltip\"
3011 id=\"ATSTRTIP-$id\" connectId=\"ATSTR-$id\"
3012 position=\"below\">$tags_str_full</div>";
3016 foreach ($pluginhost->get_hooks($pluginhost::HOOK_ARTICLE_BUTTON
) as $p) {
3017 $rv['content'] .= $p->hook_article_button($line);
3022 $tags_str = strip_tags($tags_str);
3023 $rv['content'] .= "<span id=\"ATSTR-$id\">$tags_str</span>";
3025 $rv['content'] .= "</div>";
3026 $rv['content'] .= "<div clear='both'>$entry_comments</div>";
3028 if ($line["orig_feed_id"]) {
3030 $tmp_result = db_query($link, "SELECT * FROM ttrss_archived_feeds
3031 WHERE id = ".$line["orig_feed_id"]);
3033 if (db_num_rows($tmp_result) != 0) {
3035 $rv['content'] .= "<div clear='both'>";
3036 $rv['content'] .= __("Originally from:");
3038 $rv['content'] .= " ";
3040 $tmp_line = db_fetch_assoc($tmp_result);
3042 $rv['content'] .= "<a target='_blank'
3043 href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
3044 $tmp_line['title'] . "</a>";
3046 $rv['content'] .= " ";
3048 $rv['content'] .= "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
3049 $rv['content'] .= "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.svg'></a>";
3051 $rv['content'] .= "</div>";
3055 $rv['content'] .= "</div>";
3057 $rv['content'] .= "<div id=\"POSTNOTE-$id\">";
3058 if ($line['note']) {
3059 $rv['content'] .= format_article_note($id, $line['note'], !$zoom_mode);
3061 $rv['content'] .= "</div>";
3063 $rv['content'] .= "<div class=\"postContent\">";
3067 if (DB_TYPE
== "pgsql" and defined('_NGRAM_TITLE_RELATED_THRESHOLD')) {
3069 $ngram_result = db_query($link, "SELECT id,title FROM
3070 ttrss_entries,ttrss_user_entries
3071 WHERE ref_id = id AND updated >= NOW() - INTERVAL '7 day'
3072 AND similarity(title, '$title_escaped') >= "._NGRAM_TITLE_RELATED_THRESHOLD
."
3073 AND title != '$title_escaped'
3074 AND owner_uid = $owner_uid");
3076 if (db_num_rows($ngram_result) > 0) {
3077 $rv['content'] .= "<div dojoType=\"dijit.form.DropDownButton\">".
3078 "<span>" . __('Related')."</span>";
3079 $rv['content'] .= "<div dojoType=\"dijit.Menu\" style=\"display: none;\">";
3081 while ($nline = db_fetch_assoc($ngram_result)) {
3082 $rv['content'] .= "<div onclick=\"hlOpenInNewTab(null,".$nline['id'].")\"
3083 dojoType=\"dijit.MenuItem\">".$nline['title']."</div>";
3086 $rv['content'] .= "</div></div><br/";
3090 $rv['content'] .= $line["content"];
3092 $rv['content'] .= format_article_enclosures($link, $id,
3093 $always_display_enclosures, $line["content"]);
3095 $rv['content'] .= "</div>";
3097 $rv['content'] .= "</div>";
3103 <div style=\"text-align : center\">
3104 <button onclick=\"return window.close()\">".
3105 __("Close this window")."</button></div>";
3106 $rv['content'] .= "</body></html>";
3113 function print_checkpoint($n, $s) {
3114 $ts = microtime(true);
3115 echo sprintf("<!-- CP[$n] %.4f seconds -->", $ts - $s);
3119 function sanitize_tag($tag) {
3122 $tag = mb_strtolower($tag, 'utf-8');
3124 $tag = preg_replace('/[\'\"\+\>\<]/', "", $tag);
3126 // $tag = str_replace('"', "", $tag);
3127 // $tag = str_replace("+", " ", $tag);
3128 $tag = str_replace("technorati tag: ", "", $tag);
3133 function get_self_url_prefix() {
3134 if (strrpos(SELF_URL_PATH
, "/") === strlen(SELF_URL_PATH
)-1) {
3135 return substr(SELF_URL_PATH
, 0, strlen(SELF_URL_PATH
)-1);
3137 return SELF_URL_PATH
;
3142 * Compute the Mozilla Firefox feed adding URL from server HOST and REQUEST_URI.
3144 * @return string The Mozilla Firefox feed adding URL.
3146 function add_feed_url() {
3147 //$url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' : 'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
3149 $url_path = get_self_url_prefix() .
3150 "/public.php?op=subscribe&feed_url=%s";
3152 } // function add_feed_url
3154 function encrypt_password($pass, $salt = '', $mode2 = false) {
3155 if ($salt && $mode2) {
3156 return "MODE2:" . hash('sha256', $salt . $pass);
3158 return "SHA1X:" . sha1("$salt:$pass");
3160 return "SHA1:" . sha1($pass);
3162 } // function encrypt_password
3164 function load_filters($link, $feed_id, $owner_uid, $action_id = false) {
3167 $cat_id = (int)getFeedCategory($link, $feed_id);
3169 $result = db_query($link, "SELECT * FROM ttrss_filters2 WHERE
3170 owner_uid = $owner_uid AND enabled = true");
3172 $check_cats = join(",", array_merge(
3173 getParentCategories($link, $cat_id, $owner_uid),
3176 while ($line = db_fetch_assoc($result)) {
3177 $filter_id = $line["id"];
3179 $result2 = db_query($link, "SELECT
3180 r.reg_exp, r.feed_id, r.cat_id, r.cat_filter, t.name AS type_name
3181 FROM ttrss_filters2_rules AS r,
3182 ttrss_filter_types AS t
3184 (cat_id IS NULL OR cat_id IN ($check_cats)) AND
3185 (feed_id IS NULL OR feed_id = '$feed_id') AND
3186 filter_type = t.id AND filter_id = '$filter_id'");
3191 while ($rule_line = db_fetch_assoc($result2)) {
3192 # print_r($rule_line);
3195 $rule["reg_exp"] = $rule_line["reg_exp"];
3196 $rule["type"] = $rule_line["type_name"];
3198 array_push($rules, $rule);
3201 $result2 = db_query($link, "SELECT a.action_param,t.name AS type_name
3202 FROM ttrss_filters2_actions AS a,
3203 ttrss_filter_actions AS t
3205 action_id = t.id AND filter_id = '$filter_id'");
3207 while ($action_line = db_fetch_assoc($result2)) {
3208 # print_r($action_line);
3211 $action["type"] = $action_line["type_name"];
3212 $action["param"] = $action_line["action_param"];
3214 array_push($actions, $action);
3219 $filter["match_any_rule"] = sql_bool_to_bool($line["match_any_rule"]);
3220 $filter["rules"] = $rules;
3221 $filter["actions"] = $actions;
3223 if (count($rules) > 0 && count($actions) > 0) {
3224 array_push($filters, $filter);
3231 function get_score_pic($score) {
3233 return "score_high.png";
3234 } else if ($score > 0) {
3235 return "score_half_high.png";
3236 } else if ($score < -100) {
3237 return "score_low.png";
3238 } else if ($score < 0) {
3239 return "score_half_low.png";
3241 return "score_neutral.png";
3245 function feed_has_icon($id) {
3246 return is_file(ICONS_DIR
. "/$id.ico") && filesize(ICONS_DIR
. "/$id.ico") > 0;
3249 function init_connection($link) {
3252 if (DB_TYPE
== "pgsql") {
3253 pg_query($link, "set client_encoding = 'UTF-8'");
3254 pg_set_client_encoding("UNICODE");
3255 pg_query($link, "set datestyle = 'ISO, european'");
3256 pg_query($link, "set TIME ZONE 0");
3258 db_query($link, "SET time_zone = '+0:0'");
3260 if (defined('MYSQL_CHARSET') && MYSQL_CHARSET
) {
3261 db_query($link, "SET NAMES " . MYSQL_CHARSET
);
3267 $pluginhost = new PluginHost($link);
3268 $pluginhost->load(PLUGINS
, $pluginhost::KIND_ALL
);
3272 print "Unable to connect to database:" . db_last_error();
3277 function format_tags_string($tags, $id) {
3280 $tags_nolinks_str = "";
3286 $formatted_tags = array();
3288 foreach ($tags as $tag) {
3290 $tag_escaped = str_replace("'", "\\'", $tag);
3292 if (mb_strlen($tag) > 30) {
3293 $tag = truncate_string($tag, 30);
3296 $tag_str = "<a href=\"javascript:viewfeed('$tag_escaped')\">$tag</a>";
3298 array_push($formatted_tags, $tag_str);
3300 $tmp_tags_str = implode(", ", $formatted_tags);
3302 if ($num_tags == $tag_limit ||
mb_strlen($tmp_tags_str) > 150) {
3307 $tags_str = implode(", ", $formatted_tags);
3309 if ($num_tags < count($tags)) {
3310 $tags_str .= ", …";
3313 if ($num_tags == 0) {
3314 $tags_str = __("no tags");
3321 function format_article_labels($labels, $id) {
3325 foreach ($labels as $l) {
3326 $labels_str .= sprintf("<span class='hlLabelRef'
3327 style='color : %s; background-color : %s'>%s</span>",
3328 $l[2], $l[3], $l[1]);
3335 function format_article_note($id, $note, $allow_edit = true) {
3337 $str = "<div class='articleNote' onclick=\"editArticleNote($id)\">
3338 <div class='noteEdit' onclick=\"editArticleNote($id)\">".
3339 ($allow_edit ?
__('(edit note)') : "")."</div>$note</div>";
3345 function get_feed_category($link, $feed_cat, $parent_cat_id = false) {
3346 if ($parent_cat_id) {
3347 $parent_qpart = "parent_cat = '$parent_cat_id'";
3348 $parent_insert = "'$parent_cat_id'";
3350 $parent_qpart = "parent_cat IS NULL";
3351 $parent_insert = "NULL";
3354 $result = db_query($link,
3355 "SELECT id FROM ttrss_feed_categories
3356 WHERE $parent_qpart AND title = '$feed_cat' AND owner_uid = ".$_SESSION["uid"]);
3358 if (db_num_rows($result) == 0) {
3361 return db_fetch_result($result, 0, "id");
3365 function add_feed_category($link, $feed_cat, $parent_cat_id = false) {
3367 if (!$feed_cat) return false;
3369 db_query($link, "BEGIN");
3371 if ($parent_cat_id) {
3372 $parent_qpart = "parent_cat = '$parent_cat_id'";
3373 $parent_insert = "'$parent_cat_id'";
3375 $parent_qpart = "parent_cat IS NULL";
3376 $parent_insert = "NULL";
3379 $result = db_query($link,
3380 "SELECT id FROM ttrss_feed_categories
3381 WHERE $parent_qpart AND title = '$feed_cat' AND owner_uid = ".$_SESSION["uid"]);
3383 if (db_num_rows($result) == 0) {
3385 $result = db_query($link,
3386 "INSERT INTO ttrss_feed_categories (owner_uid,title,parent_cat)
3387 VALUES ('".$_SESSION["uid"]."', '$feed_cat', $parent_insert)");
3389 db_query($link, "COMMIT");
3397 function getArticleFeed($link, $id) {
3398 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
3399 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3401 if (db_num_rows($result) != 0) {
3402 return db_fetch_result($result, 0, "feed_id");
3409 * Fixes incomplete URLs by prepending "http://".
3410 * Also replaces feed:// with http://, and
3411 * prepends a trailing slash if the url is a domain name only.
3413 * @param string $url Possibly incomplete URL
3415 * @return string Fixed URL.
3417 function fix_url($url) {
3418 if (strpos($url, '://') === false) {
3419 $url = 'http://' . $url;
3420 } else if (substr($url, 0, 5) == 'feed:') {
3421 $url = 'http:' . substr($url, 5);
3424 //prepend slash if the URL has no slash in it
3425 // "http://www.example" -> "http://www.example/"
3426 if (strpos($url, '/', strpos($url, ':') +
3) === false) {
3430 if ($url != "http:///")
3436 function validate_feed_url($url) {
3437 $parts = parse_url($url);
3439 return ($parts['scheme'] == 'http' ||
$parts['scheme'] == 'feed' ||
$parts['scheme'] == 'https');
3443 function get_article_enclosures($link, $id) {
3445 $query = "SELECT * FROM ttrss_enclosures
3446 WHERE post_id = '$id' AND content_url != ''";
3450 $result = db_query($link, $query);
3452 if (db_num_rows($result) > 0) {
3453 while ($line = db_fetch_assoc($result)) {
3454 array_push($rv, $line);
3461 function save_email_address($link, $email) {
3462 // FIXME: implement persistent storage of emails
3464 if (!$_SESSION['stored_emails'])
3465 $_SESSION['stored_emails'] = array();
3467 if (!in_array($email, $_SESSION['stored_emails']))
3468 array_push($_SESSION['stored_emails'], $email);
3472 function get_feed_access_key($link, $feed_id, $is_cat, $owner_uid = false) {
3474 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3476 $sql_is_cat = bool_to_sql_bool($is_cat);
3478 $result = db_query($link, "SELECT access_key FROM ttrss_access_keys
3479 WHERE feed_id = '$feed_id' AND is_cat = $sql_is_cat
3480 AND owner_uid = " . $owner_uid);
3482 if (db_num_rows($result) == 1) {
3483 return db_fetch_result($result, 0, "access_key");
3485 $key = db_escape_string(sha1(uniqid(rand(), true)));
3487 $result = db_query($link, "INSERT INTO ttrss_access_keys
3488 (access_key, feed_id, is_cat, owner_uid)
3489 VALUES ('$key', '$feed_id', $sql_is_cat, '$owner_uid')");
3496 function get_feeds_from_html($url, $content)
3498 $url = fix_url($url);
3499 $baseUrl = substr($url, 0, strrpos($url, '/') +
1);
3501 libxml_use_internal_errors(true);
3503 $doc = new DOMDocument();
3504 $doc->loadHTML($content);
3505 $xpath = new DOMXPath($doc);
3506 $entries = $xpath->query('/html/head/link[@rel="alternate"]');
3507 $feedUrls = array();
3508 foreach ($entries as $entry) {
3509 if ($entry->hasAttribute('href')) {
3510 $title = $entry->getAttribute('title');
3512 $title = $entry->getAttribute('type');
3514 $feedUrl = rewrite_relative_url(
3515 $baseUrl, $entry->getAttribute('href')
3517 $feedUrls[$feedUrl] = $title;
3523 function is_html($content) {
3524 return preg_match("/<html|DOCTYPE html/i", substr($content, 0, 20)) !== 0;
3527 function url_is_html($url, $login = false, $pass = false) {
3528 return is_html(fetch_file_contents($url, false, $login, $pass));
3531 function print_label_select($link, $name, $value, $attributes = "") {
3533 $result = db_query($link, "SELECT caption FROM ttrss_labels2
3534 WHERE owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
3536 print "<select default=\"$value\" name=\"" . htmlspecialchars($name) .
3537 "\" $attributes onchange=\"labelSelectOnChange(this)\" >";
3539 while ($line = db_fetch_assoc($result)) {
3541 $issel = ($line["caption"] == $value) ?
"selected=\"1\"" : "";
3543 print "<option value=\"".htmlspecialchars($line["caption"])."\"
3544 $issel>" . htmlspecialchars($line["caption"]) . "</option>";
3548 # print "<option value=\"ADD_LABEL\">" .__("Add label...") . "</option>";
3555 function format_article_enclosures($link, $id, $always_display_enclosures,
3558 $result = get_article_enclosures($link, $id);
3561 if (count($result) > 0) {
3563 $entries_html = array();
3565 $entries_inline = array();
3567 foreach ($result as $line) {
3569 $url = $line["content_url"];
3570 $ctype = $line["content_type"];
3572 if (!$ctype) $ctype = __("unknown type");
3574 $filename = substr($url, strrpos($url, "/")+
1);
3576 $player = format_inline_player($link, $url, $ctype);
3578 if ($player) array_push($entries_inline, $player);
3580 # $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
3581 # $filename . " (" . $ctype . ")" . "</a>";
3583 $entry = "<div onclick=\"window.open('".htmlspecialchars($url)."')\"
3584 dojoType=\"dijit.MenuItem\">$filename ($ctype)</div>";
3586 array_push($entries_html, $entry);
3590 $entry["type"] = $ctype;
3591 $entry["filename"] = $filename;
3592 $entry["url"] = $url;
3594 array_push($entries, $entry);
3597 if (!get_pref($link, "STRIP_IMAGES")) {
3598 if ($always_display_enclosures ||
3599 !preg_match("/<img/i", $article_content)) {
3601 foreach ($entries as $entry) {
3603 if (preg_match("/image/", $entry["type"]) ||
3604 preg_match("/\.(jpg|png|gif|bmp)/i", $entry["filename"])) {
3607 alt=\"".htmlspecialchars($entry["filename"])."\"
3608 src=\"" .htmlspecialchars($entry["url"]) . "\"/></p>";
3615 if (count($entries_inline) > 0) {
3616 $rv .= "<hr clear='both'/>";
3617 foreach ($entries_inline as $entry) { $rv .= $entry; };
3618 $rv .= "<hr clear='both'/>";
3621 $rv .= "<br/><div dojoType=\"dijit.form.DropDownButton\">".
3622 "<span>" . __('Attachments')."</span>";
3623 $rv .= "<div dojoType=\"dijit.Menu\" style=\"display: none;\">";
3625 foreach ($entries_html as $entry) { $rv .= $entry; };
3627 $rv .= "</div></div>";
3633 function getLastArticleId($link) {
3634 $result = db_query($link, "SELECT MAX(ref_id) AS id FROM ttrss_user_entries
3635 WHERE owner_uid = " . $_SESSION["uid"]);
3637 if (db_num_rows($result) == 1) {
3638 return db_fetch_result($result, 0, "id");
3644 function build_url($parts) {
3645 return $parts['scheme'] . "://" . $parts['host'] . $parts['path'];
3649 * Converts a (possibly) relative URL to a absolute one.
3651 * @param string $url Base URL (i.e. from where the document is)
3652 * @param string $rel_url Possibly relative URL in the document
3654 * @return string Absolute URL
3656 function rewrite_relative_url($url, $rel_url) {
3657 if (strpos($rel_url, "magnet:") === 0) {
3659 } else if (strpos($rel_url, "://") !== false) {
3661 } else if (strpos($rel_url, "//") === 0) {
3662 # protocol-relative URL (rare but they exist)
3664 } else if (strpos($rel_url, "/") === 0)
3666 $parts = parse_url($url);
3667 $parts['path'] = $rel_url;
3669 return build_url($parts);
3672 $parts = parse_url($url);
3673 if (!isset($parts['path'])) {
3674 $parts['path'] = '/';
3676 $dir = $parts['path'];
3677 if (substr($dir, -1) !== '/') {
3678 $dir = dirname($parts['path']);
3679 $dir !== '/' && $dir .= '/';
3681 $parts['path'] = $dir . $rel_url;
3683 return build_url($parts);
3687 function sphinx_search($query, $offset = 0, $limit = 30) {
3688 require_once 'lib/sphinxapi.php';
3690 $sphinxClient = new SphinxClient();
3692 $sphinxClient->SetServer('localhost', 9312);
3693 $sphinxClient->SetConnectTimeout(1);
3695 $sphinxClient->SetFieldWeights(array('title' => 70, 'content' => 30,
3696 'feed_title' => 20));
3698 $sphinxClient->SetMatchMode(SPH_MATCH_EXTENDED2
);
3699 $sphinxClient->SetRankingMode(SPH_RANK_PROXIMITY_BM25
);
3700 $sphinxClient->SetLimits($offset, $limit, 1000);
3701 $sphinxClient->SetArrayResult(false);
3702 $sphinxClient->SetFilter('owner_uid', array($_SESSION['uid']));
3704 $result = $sphinxClient->Query($query, SPHINX_INDEX
);
3708 if (is_array($result['matches'])) {
3709 foreach (array_keys($result['matches']) as $int_id) {
3710 $ref_id = $result['matches'][$int_id]['attrs']['ref_id'];
3711 array_push($ids, $ref_id);
3718 function cleanup_tags($link, $days = 14, $limit = 1000) {
3720 if (DB_TYPE
== "pgsql") {
3721 $interval_query = "date_updated < NOW() - INTERVAL '$days days'";
3722 } else if (DB_TYPE
== "mysql") {
3723 $interval_query = "date_updated < DATE_SUB(NOW(), INTERVAL $days DAY)";
3728 while ($limit > 0) {
3731 $query = "SELECT ttrss_tags.id AS id
3732 FROM ttrss_tags, ttrss_user_entries, ttrss_entries
3733 WHERE post_int_id = int_id AND $interval_query AND
3734 ref_id = ttrss_entries.id AND tag_cache != '' LIMIT $limit_part";
3736 $result = db_query($link, $query);
3740 while ($line = db_fetch_assoc($result)) {
3741 array_push($ids, $line['id']);
3744 if (count($ids) > 0) {
3745 $ids = join(",", $ids);
3748 $tmp_result = db_query($link, "DELETE FROM ttrss_tags WHERE id IN ($ids)");
3749 $tags_deleted +
= db_affected_rows($link, $tmp_result);
3754 $limit -= $limit_part;
3759 return $tags_deleted;
3762 function print_user_stylesheet($link) {
3763 $value = get_pref($link, 'USER_STYLESHEET');
3766 print "<style type=\"text/css\">";
3767 print str_replace("<br/>", "\n", $value);
3773 function rewrite_urls($html) {
3774 libxml_use_internal_errors(true);
3776 $charset_hack = '<head>
3777 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
3780 $doc = new DOMDocument();
3781 $doc->loadHTML($charset_hack . $html);
3782 $xpath = new DOMXPath($doc);
3784 $entries = $xpath->query('//*/text()');
3786 foreach ($entries as $entry) {
3787 if (strstr($entry->wholeText
, "://") !== false) {
3788 $text = preg_replace("/((?<!=.)((http|https|ftp)+):\/\/[^ ,!]+)/i",
3789 "<a target=\"_blank\" href=\"\\1\">\\1</a>", $entry->wholeText
);
3791 if ($text != $entry->wholeText
) {
3792 $cdoc = new DOMDocument();
3793 $cdoc->loadHTML($charset_hack . $text);
3796 foreach ($cdoc->childNodes
as $cnode) {
3797 $cnode = $doc->importNode($cnode, true);
3800 $entry->parentNode
->insertBefore($cnode);
3804 $entry->parentNode
->removeChild($entry);
3810 $node = $doc->getElementsByTagName('body')->item(0);
3812 // http://tt-rss.org/forum/viewtopic.php?f=1&t=970
3814 return $doc->saveXML($node);
3819 function filter_to_sql($link, $filter, $owner_uid) {
3822 if (DB_TYPE
== "pgsql")
3825 $reg_qpart = "REGEXP";
3827 foreach ($filter["rules"] AS $rule) {
3828 $regexp_valid = preg_match('/' . $rule['reg_exp'] . '/',
3829 $rule['reg_exp']) !== FALSE;
3831 if ($regexp_valid) {
3833 $rule['reg_exp'] = db_escape_string($rule['reg_exp']);
3835 switch ($rule["type"]) {
3837 $qpart = "LOWER(ttrss_entries.title) $reg_qpart LOWER('".
3838 $rule['reg_exp'] . "')";
3841 $qpart = "LOWER(ttrss_entries.content) $reg_qpart LOWER('".
3842 $rule['reg_exp'] . "')";
3845 $qpart = "LOWER(ttrss_entries.title) $reg_qpart LOWER('".
3846 $rule['reg_exp'] . "') OR LOWER(" .
3847 "ttrss_entries.content) $reg_qpart LOWER('" . $rule['reg_exp'] . "')";
3850 $qpart = "LOWER(ttrss_user_entries.tag_cache) $reg_qpart LOWER('".
3851 $rule['reg_exp'] . "')";
3854 $qpart = "LOWER(ttrss_entries.link) $reg_qpart LOWER('".
3855 $rule['reg_exp'] . "')";
3858 $qpart = "LOWER(ttrss_entries.author) $reg_qpart LOWER('".
3859 $rule['reg_exp'] . "')";
3863 if (isset($rule["feed_id"]) && $rule["feed_id"] > 0) {
3864 $qpart .= " AND feed_id = " . db_escape_string($rule["feed_id"]);
3867 if (isset($rule["cat_id"])) {
3869 if ($rule["cat_id"] > 0) {
3870 $children = getChildCategories($link, $rule["cat_id"], $owner_uid);
3871 array_push($children, $rule["cat_id"]);
3873 $children = join(",", $children);
3875 $cat_qpart = "cat_id IN ($children)";
3877 $cat_qpart = "cat_id IS NULL";
3880 $qpart .= " AND $cat_qpart";
3883 array_push($query, "($qpart)");
3888 if (count($query) > 0) {
3889 return "(" . join($filter["match_any_rule"] ?
"OR" : "AND", $query) . ")";
3895 if (!function_exists('gzdecode')) {
3896 function gzdecode($string) { // no support for 2nd argument
3897 return file_get_contents('compress.zlib://data:who/cares;base64,'.
3898 base64_encode($string));
3902 function get_random_bytes($length) {
3903 if (function_exists('openssl_random_pseudo_bytes')) {
3904 return openssl_random_pseudo_bytes($length);
3908 for ($i = 0; $i < $length; $i++
)
3909 $output .= chr(mt_rand(0, 255));
3915 function read_stdin() {
3916 $fp = fopen("php://stdin", "r");
3919 $line = trim(fgets($fp));
3927 function tmpdirname($path, $prefix) {
3928 // Use PHP's tmpfile function to create a temporary
3929 // directory name. Delete the file and keep the name.
3930 $tempname = tempnam($path,$prefix);
3934 if (!unlink($tempname))
3940 function getFeedCategory($link, $feed) {
3941 $result = db_query($link, "SELECT cat_id FROM ttrss_feeds
3942 WHERE id = '$feed'");
3944 if (db_num_rows($result) > 0) {
3945 return db_fetch_result($result, 0, "cat_id");
3952 function implements_interface($class, $interface) {
3953 return in_array($interface, class_implements($class));
3956 function geturl($url){
3958 (function_exists('curl_init')) ?
'' : die('cURL Must be installed for geturl function to work. Ask your host to enable it or uncomment extension=php_curl.dll in php.ini');
3960 $curl = curl_init();
3961 $header[0] = "Accept: text/xml,application/xml,application/xhtml+xml,";
3962 $header[0] .= "text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5";
3963 $header[] = "Cache-Control: max-age=0";
3964 $header[] = "Connection: keep-alive";
3965 $header[] = "Keep-Alive: 300";
3966 $header[] = "Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7";
3967 $header[] = "Accept-Language: en-us,en;q=0.5";
3968 $header[] = "Pragma: ";
3970 curl_setopt($curl, CURLOPT_URL
, $url);
3971 curl_setopt($curl, CURLOPT_USERAGENT
, 'Mozilla/5.0 (Windows NT 5.1; rv:5.0) Gecko/20100101 Firefox/5.0 Firefox/5.0');
3972 curl_setopt($curl, CURLOPT_HTTPHEADER
, $header);
3973 curl_setopt($curl, CURLOPT_HEADER
, true);
3974 curl_setopt($curl, CURLOPT_REFERER
, $url);
3975 curl_setopt($curl, CURLOPT_ENCODING
, 'gzip,deflate');
3976 curl_setopt($curl, CURLOPT_AUTOREFERER
, true);
3977 curl_setopt($curl, CURLOPT_RETURNTRANSFER
, true);
3978 //curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true); //CURLOPT_FOLLOWLOCATION Disabled...
3979 curl_setopt($curl, CURLOPT_TIMEOUT
, 60);
3981 $html = curl_exec($curl);
3983 $status = curl_getinfo($curl);
3986 if($status['http_code']!=200){
3987 if($status['http_code'] == 301 ||
$status['http_code'] == 302) {
3988 list($header) = explode("\r\n\r\n", $html, 2);
3990 preg_match("/(Location:|URI:)[^(\n)]*/", $header, $matches);
3991 $url = trim(str_replace($matches[1],"",$matches[0]));
3992 $url_parsed = parse_url($url);
3993 return (isset($url_parsed))?
geturl($url, $referer):'';
3996 foreach($status as $key=>$eline){$oline.='['.$key.']'.$eline.' ';}
3997 $line =$oline." \r\n ".$url."\r\n-----------------\r\n";
3998 $handle = @fopen
('./curl.error.log', 'a');
3999 fwrite($handle, $line);
4005 function get_minified_js($files) {
4006 require_once 'lib/jshrink/Minifier.php';
4010 foreach ($files as $js) {
4011 if (!isset($_GET['debug'])) {
4012 $cached_file = CACHE_DIR
. "/js/$js.js";
4014 if (file_exists($cached_file) &&
4015 is_readable($cached_file) &&
4016 filemtime($cached_file) >= filemtime("js/$js.js")) {
4018 $rv .= file_get_contents($cached_file);
4021 $minified = JShrink\Minifier
::minify(file_get_contents("js/$js.js"));
4022 file_put_contents($cached_file, $minified);
4026 $rv .= file_get_contents("js/$js.js");
4033 // http://php.net/gzencode
4034 function gzdecode($data) {
4035 $len = strlen($data);
4036 if ($len < 18 ||
strcmp(substr($data,0,2),"\x1f\x8b")) {
4037 return null; // Not GZIP format (See RFC 1952)
4039 $method = ord(substr($data,2,1)); // Compression method
4040 $flags = ord(substr($data,3,1)); // Flags
4041 if ($flags & 31 != $flags) {
4042 // Reserved bits are set -- NOT ALLOWED by RFC 1952
4045 // NOTE: $mtime may be negative (PHP integer limitations)
4046 $mtime = unpack("V", substr($data,4,4));
4048 $xfl = substr($data,8,1);
4049 $os = substr($data,8,1);
4054 // 2-byte length prefixed EXTRA data in header
4055 if ($len - $headerlen - 2 < 8) {
4056 return false; // Invalid format
4058 $extralen = unpack("v",substr($data,8,2));
4059 $extralen = $extralen[1];
4060 if ($len - $headerlen - 2 - $extralen < 8) {
4061 return false; // Invalid format
4063 $extra = substr($data,10,$extralen);
4064 $headerlen +
= 2 +
$extralen;
4070 // C-style string file NAME data in header
4071 if ($len - $headerlen - 1 < 8) {
4072 return false; // Invalid format
4074 $filenamelen = strpos(substr($data,8+
$extralen),chr(0));
4075 if ($filenamelen === false ||
$len - $headerlen - $filenamelen - 1 < 8) {
4076 return false; // Invalid format
4078 $filename = substr($data,$headerlen,$filenamelen);
4079 $headerlen +
= $filenamelen +
1;
4085 // C-style string COMMENT data in header
4086 if ($len - $headerlen - 1 < 8) {
4087 return false; // Invalid format
4089 $commentlen = strpos(substr($data,8+
$extralen+
$filenamelen),chr(0));
4090 if ($commentlen === false ||
$len - $headerlen - $commentlen - 1 < 8) {
4091 return false; // Invalid header format
4093 $comment = substr($data,$headerlen,$commentlen);
4094 $headerlen +
= $commentlen +
1;
4099 // 2-bytes (lowest order) of CRC32 on header present
4100 if ($len - $headerlen - 2 < 8) {
4101 return false; // Invalid format
4103 $calccrc = crc32(substr($data,0,$headerlen)) & 0xffff;
4104 $headercrc = unpack("v", substr($data,$headerlen,2));
4105 $headercrc = $headercrc[1];
4106 if ($headercrc != $calccrc) {
4107 return false; // Bad header CRC
4112 // GZIP FOOTER - These be negative due to PHP's limitations
4113 $datacrc = unpack("V",substr($data,-8,4));
4114 $datacrc = $datacrc[1];
4115 $isize = unpack("V",substr($data,-4));
4118 // Perform the decompression:
4119 $bodylen = $len-$headerlen-8;
4121 // This should never happen - IMPLEMENTATION BUG!
4124 $body = substr($data,$headerlen,$bodylen);
4129 // Currently the only supported compression method:
4130 $data = gzinflate($body);
4133 // Unknown compression method
4137 // I'm not sure if zero-byte body content is allowed.
4138 // Allow it for now... Do nothing...
4141 // Verifiy decompressed size and CRC32:
4142 // NOTE: This may fail with large data sizes depending on how
4143 // PHP's integer limitations affect strlen() since $isize
4144 // may be negative for large sizes.
4145 if ($isize != strlen($data) ||
crc32($data) != $datacrc) {
4146 // Bad format! Length or CRC doesn't match!