40 lines
1.4 KiB
Python
40 lines
1.4 KiB
Python
|
#!/usr/bin/env python
|
||
|
|
# -*- coding: utf-8 -*-
|
||
|
|
|
||
|
|
class ReverseProxied(object):
|
||
|
|
"""Wrap the application in this middleware and configure the
|
||
|
|
front-end server to add these headers, to let you quietly bind
|
||
|
|
this to a URL other than / and to an HTTP scheme that is
|
||
|
|
different than what is used locally.
|
||
|
|
|
||
|
|
Code courtesy of: http://flask.pocoo.org/snippets/35/
|
||
|
|
|
||
|
|
In nginx:
|
||
|
|
location /myprefix {
|
||
|
|
proxy_pass http://127.0.0.1:8083;
|
||
|
|
proxy_set_header Host $host;
|
||
|
|
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
|
||
|
|
proxy_set_header X-Scheme $scheme;
|
||
|
|
proxy_set_header X-Script-Name /myprefix;
|
||
|
|
}
|
||
|
|
"""
|
||
|
|
|
||
|
|
def __init__(self, application):
|
||
|
|
self.app = application
|
||
|
|
|
||
|
|
def __call__(self, environ, start_response):
|
||
|
|
script_name = environ.get('HTTP_X_SCRIPT_NAME', '')
|
||
|
|
if script_name:
|
||
|
|
environ['SCRIPT_NAME'] = script_name
|
||
|
|
path_info = environ.get('PATH_INFO', '')
|
||
|
|
if path_info and path_info.startswith(script_name):
|
||
|
|
environ['PATH_INFO'] = path_info[len(script_name):]
|
||
|
|
|
||
|
|
scheme = environ.get('HTTP_X_SCHEME', '')
|
||
|
|
if scheme:
|
||
|
|
environ['wsgi.url_scheme'] = scheme
|
||
|
|
servr = environ.get('HTTP_X_FORWARDED_SERVER', '')
|
||
|
|
if servr:
|
||
|
|
environ['HTTP_HOST'] = servr
|
||
|
|
return self.app(environ, start_response)
|