Add "Cross-origin resource sharing" (CORS) support

[privoxy.git] / cgi.c

diff --git a/cgi.c b/cgi.c
index 2260176..c67aed4 100644 (file)
--- a/cgi.c
+++ b/cgi.c
@@ -1585,6 +1585,18 @@ struct http_response *finish_http_response(struct client_state *csp, struct http
       return rsp;
    }
 
+   /*
+    * Add "Cross-origin resource sharing" (CORS) headers if enabled
+    */
+   if (NULL != csp->config->cors_allowed_origin)
+   {
+      enlist_unique_header(rsp->headers, "Access-Control-Allow-Origin",
+         strdup_or_die(csp->config->cors_allowed_origin));
+      enlist_unique_header(rsp->headers, "Access-Control-Allow-Methods", "GET,POST");
+      enlist_unique_header(rsp->headers, "Access-Control-Allow-Headers", "X-Requested-With");
+      enlist_unique_header(rsp->headers, "Access-Control-Max-Age", "86400");
+   }
+
    /*
     * Fill in the HTTP Status, using HTTP/1.1
     * unless the client asked for HTTP/1.0.