fix

endpoints.conf

@@ -16,9 +16,33 @@ location / {
 }
 
 location /content {
-   add_header 'Access-Control-Allow-Origin' '*';
-   add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
-   add_header 'Access-Control-Allow-Headers' 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range';
+   if ($request_method = 'OPTIONS') {
+      add_header 'Access-Control-Allow-Origin' '*';
+      add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
+      #
+      # Custom headers and headers various browsers *should* be OK with but aren't
+      #
+      add_header 'Access-Control-Allow-Headers' 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range';
+      #
+      # Tell client that this pre-flight info is valid for 20 days
+      #
+      add_header 'Access-Control-Max-Age' 1728000;
+      add_header 'Content-Type' 'text/plain; charset=utf-8';
+      add_header 'Content-Length' 0;
+      return 204;
+   }
+   if ($request_method = 'POST') {
+      add_header 'Access-Control-Allow-Origin' '*' always;
+      add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS' always;
+      add_header 'Access-Control-Allow-Headers' 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range' always;
+      add_header 'Access-Control-Expose-Headers' 'Content-Length,Content-Range' always;
+   }
+   if ($request_method = 'GET') {
+      add_header 'Access-Control-Allow-Origin' '*' always;
+      add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS' always;
+      add_header 'Access-Control-Allow-Headers' 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range' always;
+      add_header 'Access-Control-Expose-Headers' 'Content-Length,Content-Range' always;
+   }
 
    proxy_redirect                      off;
    proxy_set_header Host               $host;