501 lines
13 KiB
PHP
501 lines
13 KiB
PHP
<?php
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define('SCHEMA_VERSION', 142);
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define('LABEL_BASE_INDEX', -1024);
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define('PLUGIN_FEED_BASE_INDEX', -128);
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if (version_compare(PHP_VERSION, '8.0.0', '<')) {
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libxml_disable_entity_loader(true);
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}
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libxml_use_internal_errors(true);
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// separate test because this is included before sanity checks
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if (function_exists("mb_internal_encoding")) mb_internal_encoding("UTF-8");
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date_default_timezone_set('UTC');
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if (defined('E_DEPRECATED')) {
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error_reporting(E_ALL & ~E_NOTICE & ~E_DEPRECATED);
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} else {
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error_reporting(E_ALL & ~E_NOTICE);
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}
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ini_set('display_errors', "false");
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ini_set('display_startup_errors', "false");
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// config.php is optional
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if (stream_resolve_include_path("config.php"))
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require_once "config.php";
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require_once "autoload.php";
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if (Config::get(Config::DB_TYPE) == "pgsql") {
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define('SUBSTRING_FOR_DATE', 'SUBSTRING_FOR_DATE');
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} else {
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define('SUBSTRING_FOR_DATE', 'SUBSTRING');
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}
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function get_pref(string $pref_name, int $owner_uid = null) {
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return Prefs::get($pref_name, $owner_uid ? $owner_uid : $_SESSION["uid"], $_SESSION["profile"] ?? null);
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}
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function set_pref(string $pref_name, $value, int $owner_uid = null, bool $strip_tags = true) {
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return Prefs::set($pref_name, $value, $owner_uid ? $owner_uid : $_SESSION["uid"], $_SESSION["profile"] ?? null, $strip_tags);
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}
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function get_translations() {
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$t = array(
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"auto" => __("Detect automatically"),
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"ar_SA" => "العربيّة (Arabic)",
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"bg_BG" => "Bulgarian",
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"da_DA" => "Dansk",
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"ca_CA" => "Català",
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"cs_CZ" => "Česky",
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"en_US" => "English",
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"el_GR" => "Ελληνικά",
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"es_ES" => "Español (España)",
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"es_LA" => "Español",
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"de_DE" => "Deutsch",
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"fa" => "Persian (Farsi)",
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"fr_FR" => "Français",
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"hu_HU" => "Magyar (Hungarian)",
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"it_IT" => "Italiano",
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"ja_JP" => "日本語 (Japanese)",
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"lv_LV" => "Latviešu",
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"nb_NO" => "Norwegian bokmål",
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"nl_NL" => "Dutch",
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"pl_PL" => "Polski",
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"ru_RU" => "Русский",
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"pt_BR" => "Portuguese/Brazil",
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"pt_PT" => "Portuguese/Portugal",
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"zh_CN" => "Simplified Chinese",
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"zh_TW" => "Traditional Chinese",
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"uk_UA" => "Українська",
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"sv_SE" => "Svenska",
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"fi_FI" => "Suomi",
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"tr_TR" => "Türkçe");
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return $t;
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}
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require_once "lib/gettext/gettext.inc.php";
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function startup_gettext() {
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$selected_locale = "";
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// https://www.codingwithjesse.com/blog/use-accept-language-header/
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if (!empty($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
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$valid_langs = [];
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$translations = array_keys(get_translations());
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array_shift($translations); // remove "auto"
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// full locale first
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foreach ($translations as $t) {
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$lang = strtolower(str_replace("_", "-", (string)$t));
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$valid_langs[$lang] = $t;
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$lang = substr($lang, 0, 2);
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if (!isset($valid_langs[$lang]))
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$valid_langs[$lang] = $t;
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}
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// break up string into pieces (languages and q factors)
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preg_match_all('/([a-z]{1,8}(-[a-z]{1,8})?)\s*(;\s*q\s*=\s*(1|0\.[0-9]+))?/i',
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$_SERVER['HTTP_ACCEPT_LANGUAGE'], $lang_parse);
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if (count($lang_parse[1])) {
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// create a list like "en" => 0.8
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$langs = array_combine($lang_parse[1], $lang_parse[4]);
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if (is_array($langs)) {
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// set default to 1 for any without q factor
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foreach ($langs as $lang => $val) {
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if ($val === '') $langs[$lang] = 1;
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}
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// sort list based on value
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arsort($langs, SORT_NUMERIC);
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foreach (array_keys($langs) as $lang) {
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$lang = strtolower($lang);
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foreach ($valid_langs as $vlang => $vlocale) {
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if ($vlang == $lang) {
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$selected_locale = $vlocale;
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break 2;
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}
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}
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}
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}
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}
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}
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if (!empty($_SESSION["uid"]) && get_schema_version() >= 120) {
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$pref_locale = get_pref(Prefs::USER_LANGUAGE, $_SESSION["uid"]);
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if (!empty($pref_locale) && $pref_locale != 'auto') {
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$selected_locale = $pref_locale;
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}
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}
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if ($selected_locale) {
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if (defined('LC_MESSAGES')) {
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_setlocale(LC_MESSAGES, $selected_locale);
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} else if (defined('LC_ALL')) {
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_setlocale(LC_ALL, $selected_locale);
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}
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_bindtextdomain("messages", "locale");
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_textdomain("messages");
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_bind_textdomain_codeset("messages", "UTF-8");
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}
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}
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require_once 'controls.php';
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require_once 'controls_compat.php';
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define('SELF_USER_AGENT', 'Tiny Tiny RSS/' . get_version() . ' (http://tt-rss.org/)');
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ini_set('user_agent', SELF_USER_AGENT);
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/* compat shims */
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/** function is @deprecated */
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function get_schema_version() {
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return Config::get_schema_version();
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}
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/** function is @deprecated */
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function _debug($msg) {
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Debug::log($msg);
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}
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/** function is @deprecated */
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function getFeedUnread($feed, $is_cat = false) {
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return Feeds::_get_counters($feed, $is_cat, true, $_SESSION["uid"]);
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}
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/** function is @deprecated */
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function sanitize($str, $force_remove_images = false, $owner = false, $site_url = false, $highlight_words = false, $article_id = false) {
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return Sanitizer::sanitize($str, $force_remove_images, $owner, $site_url, $highlight_words, $article_id);
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}
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/** function is @deprecated */
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function fetch_file_contents($params) {
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return UrlHelper::fetch($params);
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}
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/** function is @deprecated */
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function rewrite_relative_url($url, $rel_url) {
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return UrlHelper::rewrite_relative($url, $rel_url);
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}
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/** function is @deprecated */
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function validate_url($url) {
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return UrlHelper::validate($url);
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}
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/** function is @deprecated */
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function authenticate_user($login, $password, $check_only = false, $service = false) {
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return UserHelper::authenticate($login, $password, $check_only, $service);
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}
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/** function is @deprecated */
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function smart_date_time($timestamp, $tz_offset = 0, $owner_uid = false, $eta_min = false) {
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return TimeHelper::smart_date_time($timestamp, $tz_offset, $owner_uid, $eta_min);
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}
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/** function is @deprecated */
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function make_local_datetime($timestamp, $long, $owner_uid = false, $no_smart_dt = false, $eta_min = false) {
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return TimeHelper::make_local_datetime($timestamp, $long, $owner_uid, $no_smart_dt, $eta_min);
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}
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// this returns Config::SELF_URL_PATH sans ending slash
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/** function is @deprecated */
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function get_self_url_prefix() {
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return Config::get_self_url();
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}
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/* end compat shims */
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// this is used for user http parameters unless HTML code is actually needed
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function clean($param) {
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if (is_array($param)) {
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return array_map("trim", array_map("strip_tags", $param));
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} else if (is_string($param)) {
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return trim(strip_tags($param));
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} else {
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return $param;
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}
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}
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function make_password($length = 12) {
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$password = "";
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$possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ*%+^";
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$i = 0;
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while ($i < $length) {
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try {
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$idx = function_exists("random_int") ? random_int(0, strlen($possible) - 1) : mt_rand(0, strlen($possible) - 1);
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} catch (Exception $e) {
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$idx = mt_rand(0, strlen($possible) - 1);
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}
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$char = substr($possible, $idx, 1);
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if (!strstr($password, $char)) {
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$password .= $char;
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$i++;
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}
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}
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return $password;
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}
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function validate_csrf($csrf_token) {
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return isset($csrf_token) && hash_equals($_SESSION['csrf_token'] ?? "", $csrf_token);
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}
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function truncate_string($str, $max_len, $suffix = '…') {
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if (mb_strlen($str, "utf-8") > $max_len) {
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return mb_substr($str, 0, $max_len, "utf-8") . $suffix;
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} else {
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return $str;
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}
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}
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function mb_substr_replace($original, $replacement, $position, $length) {
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$startString = mb_substr($original, 0, $position, "UTF-8");
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$endString = mb_substr($original, $position + $length, mb_strlen($original), "UTF-8");
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$out = $startString . $replacement . $endString;
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return $out;
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}
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function truncate_middle($str, $max_len, $suffix = '…') {
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if (mb_strlen($str) > $max_len) {
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return mb_substr_replace($str, $suffix, $max_len / 2, mb_strlen($str) - $max_len);
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} else {
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return $str;
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}
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}
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function sql_bool_to_bool($s) {
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return $s && ($s !== "f" && $s !== "false"); //no-op for PDO, backwards compat for legacy layer
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}
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function bool_to_sql_bool($s) {
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return $s ? 1 : 0;
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}
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function file_is_locked($filename) {
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if (file_exists(Config::get(Config::LOCK_DIRECTORY) . "/$filename")) {
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if (function_exists('flock')) {
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$fp = @fopen(Config::get(Config::LOCK_DIRECTORY) . "/$filename", "r");
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if ($fp) {
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if (flock($fp, LOCK_EX | LOCK_NB)) {
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flock($fp, LOCK_UN);
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fclose($fp);
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return false;
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}
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fclose($fp);
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return true;
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} else {
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return false;
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}
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}
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return true; // consider the file always locked and skip the test
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} else {
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return false;
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}
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}
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function make_lockfile($filename) {
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$fp = fopen(Config::get(Config::LOCK_DIRECTORY) . "/$filename", "w");
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if ($fp && flock($fp, LOCK_EX | LOCK_NB)) {
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$stat_h = fstat($fp);
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$stat_f = stat(Config::get(Config::LOCK_DIRECTORY) . "/$filename");
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if (strtoupper(substr(PHP_OS, 0, 3)) !== 'WIN') {
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if ($stat_h["ino"] != $stat_f["ino"] ||
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$stat_h["dev"] != $stat_f["dev"]) {
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return false;
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}
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}
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if (function_exists('posix_getpid')) {
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fwrite($fp, posix_getpid() . "\n");
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}
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return $fp;
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} else {
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return false;
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}
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}
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function checkbox_to_sql_bool($val) {
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return ($val == "on") ? 1 : 0;
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}
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function uniqid_short() {
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return uniqid(base_convert((string)rand(), 10, 36));
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}
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function T_sprintf() {
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$args = func_get_args();
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return vsprintf(__(array_shift($args)), $args);
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}
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function T_nsprintf() {
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$args = func_get_args();
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return vsprintf(_ngettext(array_shift($args), array_shift($args), array_shift($args)), $args);
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}
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function encrypt_password($pass, $salt = '', $mode2 = false) {
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if ($salt && $mode2) {
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return "MODE2:" . hash('sha256', $salt . $pass);
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} else if ($salt) {
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return "SHA1X:" . sha1("$salt:$pass");
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} else {
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return "SHA1:" . sha1($pass);
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}
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} // function encrypt_password
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function init_plugins() {
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PluginHost::getInstance()->load(Config::get(Config::PLUGINS), PluginHost::KIND_ALL);
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return true;
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}
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if (!function_exists('gzdecode')) {
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function gzdecode($string) { // no support for 2nd argument
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return file_get_contents('compress.zlib://data:who/cares;base64,'.
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base64_encode($string));
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}
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}
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function get_random_bytes($length) {
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if (function_exists('random_bytes')) {
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return random_bytes($length);
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} else if (function_exists('openssl_random_pseudo_bytes')) {
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return openssl_random_pseudo_bytes($length);
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} else {
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$output = "";
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for ($i = 0; $i < $length; $i++)
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$output .= chr(mt_rand(0, 255));
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return $output;
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}
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}
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function read_stdin() {
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$fp = fopen("php://stdin", "r");
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if ($fp) {
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$line = trim(fgets($fp));
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fclose($fp);
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return $line;
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}
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return null;
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}
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function implements_interface($class, $interface) {
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return in_array($interface, class_implements($class));
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}
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function get_theme_path($theme) {
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$check = "themes/$theme";
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if (file_exists($check)) return $check;
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$check = "themes.local/$theme";
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if (file_exists($check)) return $check;
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}
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function theme_exists($theme) {
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return file_exists("themes/$theme") || file_exists("themes.local/$theme");
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}
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function arr_qmarks($arr) {
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return str_repeat('?,', count($arr) - 1) . '?';
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}
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function get_scripts_timestamp() {
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$files = glob("js/*.js");
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$ts = 0;
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foreach ($files as $file) {
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$file_ts = filemtime($file);
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if ($file_ts > $ts) $ts = $file_ts;
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}
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return $ts;
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}
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/* for package maintainers who don't use git: if version_static.txt exists in tt-rss root
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directory, its contents are displayed instead of git commit-based version, this could be generated
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based on source git tree commit used when creating the package */
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function get_version(&$git_commit = false, &$git_timestamp = false, &$last_error = false) {
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global $ttrss_version;
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if (is_array($ttrss_version) && isset($ttrss_version['version'])) {
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$git_commit = $ttrss_version['commit'];
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$git_timestamp = $ttrss_version['timestamp'];
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$last_error = $ttrss_version['last_error'] ?? "";
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return $ttrss_version['version'];
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} else {
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$ttrss_version = [];
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}
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$ttrss_version['version'] = "UNKNOWN (Unsupported)";
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date_default_timezone_set('UTC');
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$root_dir = dirname(__DIR__);
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if (PHP_OS === "Darwin") {
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$ttrss_version['version'] = "UNKNOWN (Unsupported, Darwin)";
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} else if (file_exists("$root_dir/version_static.txt")) {
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$ttrss_version['version'] = trim(file_get_contents("$root_dir/version_static.txt")) . " (Unsupported)";
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} else if (is_dir("$root_dir/.git")) {
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$rc = 0;
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$output = [];
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$cwd = getcwd();
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chdir($root_dir);
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exec('git --no-pager log --pretty="version: %ct %h" -n1 HEAD 2>&1', $output, $rc);
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chdir($cwd);
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if (is_array($output) && count($output) > 0) {
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list ($test, $timestamp, $commit) = explode(" ", $output[0], 3);
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if ($test == "version:") {
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$git_commit = $commit;
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$git_timestamp = $timestamp;
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$ttrss_version['version'] = strftime("%y.%m", (int)$timestamp) . "-$commit";
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$ttrss_version['commit'] = $commit;
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$ttrss_version['timestamp'] = $timestamp;
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}
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}
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if (!isset($ttrss_version['commit'])) {
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$last_error = "Unable to determine version (using $root_dir): RC=$rc; OUTPUT=" . implode("\n", $output);
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$ttrss_version["last_error"] = $last_error;
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user_error($last_error, E_USER_WARNING);
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}
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}
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return $ttrss_version['version'];
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}
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