From 7452c66598c5a46dd61db0e9e9b71aa589b08a86 Mon Sep 17 00:00:00 2001
From: knst-kotov <knst.kotov@gmail.com>
Date: Tue, 11 Jan 2022 12:07:01 +0300
Subject: [PATCH] enable CORS

---
 nginx.conf.sigil | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/nginx.conf.sigil b/nginx.conf.sigil
index 803878c6..fe82c74e 100644
--- a/nginx.conf.sigil
+++ b/nginx.conf.sigil
@@ -107,6 +107,36 @@ server {
     proxy_set_header X-Forwarded-Proto {{ $.PROXY_X_FORWARDED_PROTO }};
     proxy_set_header X-Request-Start $msec;
     {{ if $.PROXY_X_FORWARDED_SSL }}proxy_set_header X-Forwarded-Ssl {{ $.PROXY_X_FORWARDED_SSL }};{{ end }}
+
+     if ($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;
+     }
   }
 
   {{ if $.CLIENT_MAX_BODY_SIZE }}client_max_body_size {{ $.CLIENT_MAX_BODY_SIZE }};{{ end }}