256 lines
8.5 KiB
PHP
Executable File
256 lines
8.5 KiB
PHP
Executable File
<?php
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/* WARNING!
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*
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* If you modify this file, you are ON YOUR OWN!
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*
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* Believe it or not, all of the checks below are required to succeed for
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* tt-rss to actually function properly.
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*
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* If you think you have a better idea about what is or isn't required, feel
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* free to modify the file, note though that you are therefore automatically
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* disqualified from any further support by official channels, e.g. tt-rss.org
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* issue tracker or the forums.
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*
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* If you come crying when stuff inevitably breaks, you will be mocked and told
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* to get out. */
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function make_self_url() {
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$proto = is_server_https() ? 'https' : 'http';
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return $proto . '://' . $_SERVER["HTTP_HOST"] . $_SERVER["REQUEST_URI"];
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}
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function make_self_url_path() {
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if (!isset($_SERVER["HTTP_HOST"])) return false;
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$proto = is_server_https() ? 'https' : 'http';
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$url_path = $proto . '://' . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
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return $url_path;
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}
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function check_mysql_tables() {
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$pdo = Db::pdo();
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$sth = $pdo->prepare("SELECT engine, table_name FROM information_schema.tables WHERE
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table_schema = ? AND table_name LIKE 'ttrss_%' AND engine != 'InnoDB'");
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$sth->execute([DB_NAME]);
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$bad_tables = [];
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while ($line = $sth->fetch()) {
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array_push($bad_tables, $line);
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}
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return $bad_tables;
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}
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/**
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* @SuppressWarnings(PHPMD.UnusedLocalVariable)
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*/
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function initial_sanity_check() {
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$errors = array();
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if (!file_exists("config.php")) {
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array_push($errors, "Configuration file not found. Looks like you forgot to copy config.php-dist to config.php and edit it.");
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} else {
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require_once "sanity_config.php";
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if (file_exists("install") && !file_exists("config.php")) {
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array_push($errors, "Please copy config.php-dist to config.php or run the installer in install/");
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}
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if (strpos(PLUGINS, "auth_") === false) {
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array_push($errors, "Please enable at least one authentication module via PLUGINS constant in config.php");
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}
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if (function_exists('posix_getuid') && posix_getuid() == 0) {
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array_push($errors, "Please don't run this script as root.");
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}
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if (version_compare(PHP_VERSION, '7.0.0', '<')) {
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array_push($errors, "PHP version 7.0.0 or newer required. You're using " . PHP_VERSION . ".");
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}
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if (!class_exists("UConverter")) {
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array_push($errors, "PHP UConverter class is missing, it's provided by the Internationalization (intl) module.");
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}
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if (CONFIG_VERSION != EXPECTED_CONFIG_VERSION) {
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array_push($errors, "Configuration file (config.php) has incorrect version. Update it with new options from config.php-dist and set CONFIG_VERSION to the correct value.");
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}
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if (!is_writable(CACHE_DIR . "/images")) {
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array_push($errors, "Image cache is not writable (chmod -R 777 ".CACHE_DIR."/images)");
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}
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if (!is_writable(CACHE_DIR . "/upload")) {
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array_push($errors, "Upload cache is not writable (chmod -R 777 ".CACHE_DIR."/upload)");
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}
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if (!is_writable(CACHE_DIR . "/export")) {
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array_push($errors, "Data export cache is not writable (chmod -R 777 ".CACHE_DIR."/export)");
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}
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if (GENERATED_CONFIG_CHECK != EXPECTED_CONFIG_VERSION) {
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array_push($errors,
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"Configuration option checker sanity_config.php is outdated, please recreate it using ./utils/regen_config_checks.sh");
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}
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foreach ($required_defines as $d) {
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if (!defined($d)) {
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array_push($errors,
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"Required configuration file parameter $d is not defined in config.php. You might need to copy it from config.php-dist.");
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}
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}
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if (SINGLE_USER_MODE && class_exists("PDO")) {
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$pdo = Db::pdo();
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$res = $pdo->query("SELECT id FROM ttrss_users WHERE id = 1");
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if (!$res->fetch()) {
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array_push($errors, "SINGLE_USER_MODE is enabled in config.php but default admin account is not found.");
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}
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}
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$ref_self_url_path = make_self_url_path();
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if ($ref_self_url_path) {
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$ref_self_url_path = preg_replace("/\w+\.php$/", "", $ref_self_url_path);
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}
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if (SELF_URL_PATH == "http://example.org/tt-rss/") {
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$hint = $ref_self_url_path ? "(possible value: <b>$ref_self_url_path</b>)" : "";
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array_push($errors,
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"Please set SELF_URL_PATH to the correct value for your server: $hint");
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}
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if ($ref_self_url_path &&
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(!defined('_SKIP_SELF_URL_PATH_CHECKS') || !_SKIP_SELF_URL_PATH_CHECKS) &&
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SELF_URL_PATH != $ref_self_url_path && SELF_URL_PATH != mb_substr($ref_self_url_path, 0, mb_strlen($ref_self_url_path)-1)) {
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array_push($errors,
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"Please set SELF_URL_PATH to the correct value detected for your server: <b>$ref_self_url_path</b> (you're using: <b>" . SELF_URL_PATH . "</b>)");
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}
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if (!is_writable(ICONS_DIR)) {
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array_push($errors, "ICONS_DIR defined in config.php is not writable (chmod -R 777 ".ICONS_DIR.").\n");
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}
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if (!is_writable(LOCK_DIRECTORY)) {
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array_push($errors, "LOCK_DIRECTORY defined in config.php is not writable (chmod -R 777 ".LOCK_DIRECTORY.").\n");
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}
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if (!function_exists("curl_init") && !ini_get("allow_url_fopen")) {
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array_push($errors, "PHP configuration option allow_url_fopen is disabled, and CURL functions are not present. Either enable allow_url_fopen or install PHP extension for CURL.");
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}
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if (!function_exists("json_encode")) {
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array_push($errors, "PHP support for JSON is required, but was not found.");
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}
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if (DB_TYPE == "mysql" && !function_exists("mysqli_connect")) {
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array_push($errors, "PHP support for MySQL is required for configured DB_TYPE in config.php.");
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}
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if (DB_TYPE == "pgsql" && !function_exists("pg_connect")) {
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array_push($errors, "PHP support for PostgreSQL is required for configured DB_TYPE in config.php");
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}
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if (!class_exists("PDO")) {
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array_push($errors, "PHP support for PDO is required but was not found.");
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}
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if (!function_exists("mb_strlen")) {
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array_push($errors, "PHP support for mbstring functions is required but was not found.");
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}
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if (!function_exists("hash")) {
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array_push($errors, "PHP support for hash() function is required but was not found.");
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}
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if (ini_get("safe_mode")) {
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array_push($errors, "PHP safe mode setting is obsolete and not supported by tt-rss.");
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}
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if (!function_exists("mime_content_type")) {
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array_push($errors, "PHP function mime_content_type() is missing, try enabling fileinfo module.");
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}
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if (!class_exists("DOMDocument")) {
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array_push($errors, "PHP support for DOMDocument is required, but was not found.");
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}
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if (DB_TYPE == "mysql") {
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$bad_tables = check_mysql_tables();
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if (count($bad_tables) > 0) {
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$bad_tables_fmt = [];
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foreach ($bad_tables as $bt) {
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array_push($bad_tables_fmt, sprintf("%s (%s)", $bt['table_name'], $bt['engine']));
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}
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$msg = "<p>The following tables use an unsupported MySQL engine: <b>" .
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implode(", ", $bad_tables_fmt) . "</b>.</p>";
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$msg .= "<p>The only supported engine on MySQL is InnoDB. MyISAM lacks functionality to run
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tt-rss.
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Please backup your data (via OPML) and re-import the schema before continuing.</p>
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<p><b>WARNING: importing the schema would mean LOSS OF ALL YOUR DATA.</b></p>";
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array_push($errors, $msg);
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}
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}
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}
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if (count($errors) > 0 && $_SERVER['REQUEST_URI']) { ?>
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<!DOCTYPE html>
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<html>
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<head>
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<title>Startup failed</title>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<link rel="stylesheet" type="text/css" href="themes/light.css">
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</head>
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<body class='sanity_failed claro ttrss_utility'>
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<div class="content">
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<h1>Startup failed</h1>
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<p>Tiny Tiny RSS was unable to start properly. This usually means a misconfiguration or an incomplete upgrade. Please fix
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errors indicated by the following messages:</p>
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<?php foreach ($errors as $error) { echo format_error($error); } ?>
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<p>You might want to check tt-rss <a href="https://tt-rss.org/wiki.php">wiki</a> or the
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<a href="https://community.tt-rss.org/">forums</a> for more information. Please search the forums before creating new topic
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for your question.</p>
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</div>
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</body>
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</html>
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<?php
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die;
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} else if (count($errors) > 0) {
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echo "Tiny Tiny RSS was unable to start properly. This usually means a misconfiguration or an incomplete upgrade.\n";
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echo "Please fix errors indicated by the following messages:\n\n";
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foreach ($errors as $error) {
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echo " * $error\n";
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}
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echo "\nYou might want to check tt-rss wiki or the forums for more information.\n";
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echo "Please search the forums before creating new topic for your question.\n";
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exit(-1);
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}
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}
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initial_sanity_check();
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?>
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