X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=index.php;h=13c3f6318f815fd4923926836af04bca8abb8120;hb=b1999459afe1f955e7373f4b4894b44324b10e1e;hp=8471735d016af1fd617d908a614c8ded21013db5;hpb=4ee15cc682d0d89dffac7b26ab5ca79894bb73d8;p=friendica.git diff --git a/index.php b/index.php index 8471735d01..13c3f6318f 100644 --- a/index.php +++ b/index.php @@ -19,6 +19,10 @@ require_once('object/BaseObject.php'); $a = new App; BaseObject::set_app($a); +// We assume that the index.php is called by a frontend process +// The value is set to "true" by default in boot.php +$a->backend = false; + /** * * Load the configuration file which contains our DB credentials. @@ -44,7 +48,7 @@ require_once("include/dba.php"); if(!$install) { $db = new dba($db_host, $db_user, $db_pass, $db_data, $install); - unset($db_host, $db_user, $db_pass, $db_data); + unset($db_host, $db_user, $db_pass, $db_data); /** * Load configs from db. Overwrite configs from .htconfig.php @@ -53,26 +57,19 @@ if(!$install) { load_config('config'); load_config('system'); - $maxsysload_frontend = intval(get_config('system','maxloadavg_frontend')); - if($maxsysload_frontend < 1) - $maxsysload_frontend = 50; - - $load = current_load(); - if($load) { - if($load > $maxsysload_frontend) { - logger('system: load ' . $load . ' too high. Service Temporarily Unavailable.'); - header($_SERVER["SERVER_PROTOCOL"].' 503 Service Temporarily Unavailable'); - header('Retry-After: 300'); - die("System is currently unavailable. Please try again later"); - } + if ($a->max_processes_reached() OR $a->maxload_reached()) { + header($_SERVER["SERVER_PROTOCOL"].' 503 Service Temporarily Unavailable'); + header('Retry-After: 120'); + header('Refresh: 120; url='.$a->get_baseurl()."/".$a->query_string); + die("System is currently unavailable. Please try again later"); } - if (get_config('system','force_ssl') AND ($a->get_scheme() == "http") AND (intval(get_config('system','ssl_policy')) == SSL_POLICY_FULL) AND (substr($a->get_baseurl(), 0, 8) == "https://")) { header("HTTP/1.1 302 Moved Temporarily"); - header("location: ".$a->get_baseurl()."/".$a->query_string); + header("Location: ".$a->get_baseurl()."/".$a->query_string); + exit(); } require_once("include/session.php"); @@ -97,7 +94,12 @@ load_translation_table($lang); * */ -session_start(); +// Exclude the backend processes from the session management +if (!$a->is_backend()) { + $stamp1 = microtime(true); + session_start(); + $a->save_timestamp($stamp1, "parser"); +} /** * Language was set earlier, but we can over-ride it in the session. @@ -107,7 +109,7 @@ if (x($_SESSION,'authenticated') && !x($_SESSION,'language')) { // we didn't loaded user data yet, but we need user language $r = q("SELECT language FROM user WHERE uid=%d", intval($_SESSION['uid'])); $_SESSION['language'] = $lang; - if (count($r)>0) $_SESSION['language'] = $r[0]['language']; + if (dbm::is_result($r)) $_SESSION['language'] = $r[0]['language']; } if((x($_SESSION,'language')) && ($_SESSION['language'] !== $lang)) { @@ -116,9 +118,21 @@ if((x($_SESSION,'language')) && ($_SESSION['language'] !== $lang)) { } if((x($_GET,'zrl')) && (!$install && !$maintenance)) { - $_SESSION['my_url'] = $_GET['zrl']; - $a->query_string = preg_replace('/[\?&]zrl=(.*?)([\?&]|$)/is','',$a->query_string); - zrl_init($a); + // Only continue when the given profile link seems valid + // Valid profile links contain a path with "/profile/" and no query parameters + if ((parse_url($_GET['zrl'], PHP_URL_QUERY) == "") AND + strstr(parse_url($_GET['zrl'], PHP_URL_PATH), "/profile/")) { + $_SESSION['my_url'] = $_GET['zrl']; + $a->query_string = preg_replace('/[\?&]zrl=(.*?)([\?&]|$)/is','',$a->query_string); + zrl_init($a); + } else { + // Someone came with an invalid parameter, maybe as a DDoS attempt + // We simply stop processing here + logger("Invalid ZRL parameter ".$_GET['zrl'], LOGGER_DEBUG); + header('HTTP/1.1 403 Forbidden'); + echo "