From: Stoiko Ivanov <s.ivanov@proxmox.com>
Date: Fri, 9 Jun 2023 16:11:45 +0000 (+0200)
Subject: proxy request: handle missing content-type header
X-Git-Url: https://git.proxmox.com/?p=pve-http-server.git;a=commitdiff_plain;h=81f0f40ea19bdda9c4983567f2b33d75c9aca588

proxy request: handle missing content-type header

In case the actual request-body is empty it seems not Content-Type
header is set by browsers.

Tested on a vm with stopping and starting a container via GUI
(/api2/extjs/nodes/<nodename>/lxc/<vmid>/status/stop)

fixes f398a3d94bb5c798e1e1ea91113cd76648dd79eb

Reported-by: Friedrich Weber <f.weber@proxmox.com>
Reported-by: Fiona Ebner <f.ebner@proxmox.com>
Signed-off-by: Stoiko Ivanov <s.ivanov@proxmox.com>
---

diff --git a/src/PVE/APIServer/AnyEvent.pm b/src/PVE/APIServer/AnyEvent.pm
index 6831a86..1fd7a74 100644
--- a/src/PVE/APIServer/AnyEvent.pm
+++ b/src/PVE/APIServer/AnyEvent.pm
@@ -745,7 +745,8 @@ sub proxy_request {
 	my $content;
 
 	if  ($method eq 'POST' || $method eq 'PUT') {
-	    if ($reqstate->{request}->header('Content-Type') =~ 'application/json') {
+	    my $request_ct = $reqstate->{request}->header('Content-Type');
+	    if (defined($request_ct) && $request_ct =~ 'application/json') {
 		$headers->{'Content-Type'} = 'application/json';
 		$content = encode_json($params);
 	    } else {