From 78f009ba44a4ea2efc6471837eb459ca6dcccd7d Mon Sep 17 00:00:00 2001
From: Andrea Dell'Amico <adellam@isti.cnr.it>
Date: Thu, 14 Jul 2016 18:36:45 +0200
Subject: [PATCH] library/roles/nginx/defaults/main.yml: Add examples to enable
 cors and x-frame-options.

---
 nginx/defaults/main.yml | 46 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)

diff --git a/nginx/defaults/main.yml b/nginx/defaults/main.yml
index 2121a727..3a7d287d 100644
--- a/nginx/defaults/main.yml
+++ b/nginx/defaults/main.yml
@@ -69,5 +69,51 @@ nginx_letsencrypt_managed: True
 #       php, rewrite rules, acls, ldap auth
 #       More robust rules
 #       log format personalization (global, inside conf.d)
+#       CORS
 #       
 # Special cases: mediawiki,...
+#
+# CORS example 1
+    # set $cors '';
+    # if ($http_origin ~* 'https?://(localhost|*\.example\.org)') {
+    #     set $cors 'true';
+    # }
+
+    # if ($cors = 'true') {
+    #     add_header 'Access-Control-Allow-Origin' "$http_origin";
+    #     add_header 'Access-Control-Allow-Credentials' 'true';
+    #     add_header 'Access-Control-Allow-Methods' 'GET, POST, PUT, DELETE, OPTIONS';
+    #     add_header 'Access-Control-Allow-Headers' 'Accept,Authorization,Cache-Control,Content-Type,DNT,If-Modified-Since,Keep-Alive,Origin,User-Agent,X-Mx-ReqToken,X-Requested-With';
+    # }
+
+    # if ($request_method = 'OPTIONS') {
+    #     return 204;
+    # }
+
+# CORS example 2
+    # location / {
+    #     if ($request_method = 'OPTIONS') {
+    #         add_header 'Access-Control-Allow-Origin' '*';
+    #         add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
+    #         #
+    #         # Custom headers and headers various browsers *should* be OK with but aren't
+    #         #
+    #         add_header 'Access-Control-Allow-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';
+    #         #
+    #         # Tell client that this pre-flight info is valid for 20 days
+    #         #
+    #         add_header 'Access-Control-Max-Age' 1728000;
+    #         add_header 'Content-Type' 'text/plain charset=UTF-8';
+    #         add_header 'Content-Length' 0;
+    #         return 204;
+    #     }
+    #     if ($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,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';
+    #     }
+    #     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,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';
+    #     }