From eafcebe141f163fb9af40e1a9d3fbdf8e8fde166 Mon Sep 17 00:00:00 2001
From: Mark Newman <mark.newman@r3labs.io>
Date: Mon, 23 Apr 2018 17:39:28 +0100
Subject: [PATCH] Add CORS support

---
 config/nginx/ernest.licensed | 29 +++++++++++++++++++++++++++++
 config/nginx/ernest.local    | 29 +++++++++++++++++++++++++++++
 2 files changed, 58 insertions(+)

diff --git a/config/nginx/ernest.licensed b/config/nginx/ernest.licensed
index c9b0b19..46b683d 100644
--- a/config/nginx/ernest.licensed
+++ b/config/nginx/ernest.licensed
@@ -47,6 +47,35 @@ server {
             proxy_buffering off;
             proxy_cache off;
             error_page 504 =200 @logsource-close-graceful;
+
+        # CORS
+        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' '*';
+            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';
+            add_header 'Access-Control-Expose-Headers' 'Content-Length,Content-Range';
+        }
+        if ($request_method = 'GET') {
+            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';
+            add_header 'Access-Control-Expose-Headers' 'Content-Length,Content-Range';
+        }
     }
 
     location @eventsource-close-graceful {
diff --git a/config/nginx/ernest.local b/config/nginx/ernest.local
index fb85d7b..e03e918 100644
--- a/config/nginx/ernest.local
+++ b/config/nginx/ernest.local
@@ -43,6 +43,35 @@ server {
             proxy_buffering off;
             proxy_cache off;
             error_page 504 =200 @logsource-close-graceful;
+
+        # CORS
+        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' '*';
+            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';
+            add_header 'Access-Control-Expose-Headers' 'Content-Length,Content-Range';
+        }
+        if ($request_method = 'GET') {
+            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';
+            add_header 'Access-Control-Expose-Headers' 'Content-Length,Content-Range';
+        }
     }
 
     location @eventsource-close-graceful {