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. In nginx: location /myprefix { proxy_pass http://192.168.0.1:5001; 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; } :param app: the WSGI application ''' def __init__(self, app): self.app = app 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['PATH_INFO'] if 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 return self.app(environ, start_response)