Add fallback just in case X-Forwarded-By is empty.

This commit is contained in:
Dimitri Huisman
2023-03-18 08:16:30 +00:00
parent 25b9db4b00
commit 29bfc9dd9d

View File

@@ -92,7 +92,7 @@ def _has_usable_redirect():
https://mailu.io/master/configuration.html#header-authentication-using-an-external-proxy
"""
def _proxy():
proxy_ip = flask.request.headers.get('X-Forwarded-By')
proxy_ip = flask.request.headers.get('X-Forwarded-By', flask.request.remote_addr)
ip = ipaddress.ip_address(proxy_ip)
if not any(ip in cidr for cidr in app.config['PROXY_AUTH_WHITELIST']):
return flask.abort(500, '%s is not on PROXY_AUTH_WHITELIST' % proxy_ip)