X-Git-Url: https://git.mxchange.org/?p=friendica.git;a=blobdiff_plain;f=index.php;h=9fe248e8e2b5329f3b67503a75c74e9a2bc6ef3b;hp=45d1599692246715208fc0f886ba7889be0a998a;hb=e61d6e030eefa00685020f44601d3363814a5dae;hpb=636033024873a9c20fa08273a6eb8fe01cac7182

diff --git a/index.php b/index.php
index 45d1599692..9fe248e8e2 100644
--- a/index.php
+++ b/index.php
@@ -53,8 +53,22 @@ if(!$install) {
 	load_config('config');
 	load_config('system');
 
-	if ((intval(get_config('system','ssl_policy')) == SSL_POLICY_FULL) AND
-		($a->get_scheme() == "http") AND
+	$maxsysload_frontend = intval(get_config('system','maxloadavg_frontend'));
+	if($maxsysload_frontend < 1)
+		$maxsysload_frontend = 50;
+	if(function_exists('sys_getloadavg')) {
+		$load = sys_getloadavg();
+		if(intval($load[0]) > $maxsysload_frontend) {
+			logger('system: load ' . $load[0] . ' too high. Service Temporarily Unavailable.');
+			header($_SERVER["SERVER_PROTOCOL"].' 503 Service Temporarily Unavailable');
+			header('Retry-After: 300');
+			die("System is currently unavailable. Please try again later");
+		}
+	}
+
+
+	if (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);
@@ -88,13 +102,13 @@ session_start();
  * Language was set earlier, but we can over-ride it in the session.
  * We have to do it here because the session was just now opened.
  */
-
-if(array_key_exists('system_language',$_POST)) {
-	if(strlen($_POST['system_language']))
-		$_SESSION['language'] = $_POST['system_language'];
-	else
-		unset($_SESSION['language']);
+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'] = $r[0]['language'];
 }
+
 if((x($_SESSION,'language')) && ($_SESSION['language'] !== $lang)) {
 	$lang = $_SESSION['language'];
 	load_translation_table($lang);
@@ -115,7 +129,6 @@ if((x($_GET,'zrl')) && (!$install && !$maintenance)) {
  *
  * What we really need to do is output the raw headers ourselves so we can keep them separate.
  *
-
  */
 
 // header('Link: <' . $a->get_baseurl() . '/amcd>; rel="acct-mgmt";');
@@ -498,30 +511,38 @@ $(document).ready(function() {
 });
 
 function loadcontent() {
-	//$("div.loader").show();
+	if (lockLoadContent) return;
+	lockLoadContent = true;
+
+	$("#scroll-loader").fadeIn('normal');
 
 	num+=1;
 
 	console.log('Loading page ' + num);
 
 	$.get('/network?mode=raw$reload_uri&page=' + num, function(data) {
-		$(data).insertBefore('#conversation-end');
+		$("#scroll-loader").hide();
+		if ($(data).length > 0) {
+			$(data).insertBefore('#conversation-end');
+			lockLoadContent = false;
+		} else {
+			$("#scroll-end").fadeIn('normal');
+		}
 	});
-
-	//$("div.loader").fadeOut('normal');
 }
 
 var num = $pageno;
+var lockLoadContent = false;
 
 $(window).scroll(function(e){
 
 	if ($(document).height() != $(window).height()) {
 		// First method that is expected to work - but has problems with Chrome
-		if ($(window).scrollTop() == $(document).height() - $(window).height())
+		if ($(window).scrollTop() > ($(document).height() - $(window).height() * 1.5))
 			loadcontent();
 	} else {
 		// This method works with Chrome - but seems to be much slower in Firefox
-		if ($(window).scrollTop() > (($("section").height() + $("header").height() + $("footer").height()) - $(window).height()))
+		if ($(window).scrollTop() > (($("section").height() + $("header").height() + $("footer").height()) - $(window).height() * 1.5))
 			loadcontent();
 	}
 });