authentik/passbook/root/wsgi.py

79 lines
2.7 KiB
Python

"""
WSGI config for passbook project.
It exposes the WSGI callable as a module-level variable named ``application``.
For more information on this file, see
https://docs.djangoproject.com/en/2.1/howto/deployment/wsgi/
"""
import os
from time import time
from defusedxml import defuse_stdlib
from django.core.wsgi import get_wsgi_application
from structlog import get_logger
from passbook.lib.utils.http import _get_client_ip_from_meta
os.environ.setdefault("DJANGO_SETTINGS_MODULE", "passbook.root.settings")
defuse_stdlib()
class WSGILogger:
""" This is the generalized WSGI middleware for any style request logging. """
def __init__(self, application):
self.application = application
self.logger = get_logger("passbook.wsgi")
def __healthcheck(self, start_response):
start_response("204 OK", [])
return [b""]
def __call__(self, environ, start_response):
start = time()
status_codes = []
content_lengths = []
if environ.get("HTTP_HOST", "").startswith("kubernetes-healthcheck-host"):
# Don't log kubernetes health/readiness requests
return self.__healthcheck(start_response)
def custom_start_response(status, response_headers, exc_info=None):
status_codes.append(int(status.partition(" ")[0]))
for name, value in response_headers:
if name.lower() == "content-length":
content_lengths.append(int(value))
break
return start_response(status, response_headers, exc_info)
retval = self.application(environ, custom_start_response)
runtime = int((time() - start) * 10 ** 6)
content_length = content_lengths[0] if content_lengths else 0
self.log(status_codes[0], environ, content_length, runtime=runtime)
return retval
def log(self, status_code, environ, content_length, **kwargs):
"""
Apache log format 'NCSA extended/combined log':
"%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-agent}i\""
see http://httpd.apache.org/docs/current/mod/mod_log_config.html#formats
"""
host = _get_client_ip_from_meta(environ)
query_string = ""
if environ.get("QUERY_STRING") != "":
query_string = f"?{environ.get('QUERY_STRING')}"
self.logger.info(
"request",
path=f"{environ.get('PATH_INFO', '')}{query_string}",
host=host,
method=environ.get("REQUEST_METHOD", ""),
protocol=environ.get("SERVER_PROTOCOL", ""),
status=status_code,
size=content_length / 1000 if content_length > 0 else "-",
runtime=kwargs.get("runtime"),
)
application = WSGILogger(get_wsgi_application())