Prevent duplicated X-Scheme headers in haproxy

See guysoft#239
Softvative · Feb 28, 2017 · a841274 · a841274
1 parent 70e7856
commit a841274
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/src/filesystem/root/etc/haproxy/haproxy.cfg b/src/filesystem/root/etc/haproxy/haproxy.cfg
@@ -26,8 +26,11 @@ frontend public
         default_backend octoprint
 
 backend octoprint
+        acl needs_scheme req.hdr_cnt(X-Scheme) eq 0
+
         reqrep ^([^\ :]*)\ /(.*) \1\ /\2
-        reqadd X-Scheme:\ https if { ssl_fc }
+        reqadd X-Scheme:\ https if needs_scheme { ssl_fc }
+        reqadd X-Scheme:\ http if needs_scheme !{ ssl_fc }
         option forwardfor
         server octoprint1 127.0.0.1:5000
         errorfile 503 /etc/haproxy/errors/503-no-octoprint.http