Homogenize file size error from nginx with python errors

JIRA: DOVETAIL-732

This patch homogenize error received from nginx when a file is bigger
than the limit set with python errors. It tells nginx to convert
error 413 to 200 and respond with a json, like python does when
validating the file. As a result, the error is shown in the pop up
as it should be.

Change-Id: I3218516073f848321af02465c5d608ef54d5b715
Signed-off-by: Stamatis Katsaounis <mokats@intracom-telecom.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/docker/nginx/sites-enabled/default b/docker/nginx/sites-enabled/default
index aa81bd4..bc671b7 100644
--- a/docker/nginx/sites-enabled/default
+++ b/docker/nginx/sites-enabled/default
@@ -124,6 +124,12 @@ server {
                 expires 1d;
 	}
 
+    error_page 413 =200 /413.json;
+
+    location /413.json {
+        return 200 '{"msg": "Please upload a file less than 20MB.", "code": 413}';
+    }
+
 	# Only for nginx-naxsi used with nginx-naxsi-ui : process denied requests
 	#location /RequestDenied {
 	#	proxy_pass http://127.0.0.1:8080;