django-auditlog/auditlog/middleware.py
Abdullah Alaqeel bc6d393390
Added support for Correlation ID
Co-authored-by: Hasan Ramezani <hasan.r67@gmail.com>
2022-12-23 15:09:32 +01:00

44 lines
1.5 KiB
Python

import contextlib
from auditlog.cid import set_cid
from auditlog.context import set_actor
class AuditlogMiddleware:
"""
Middleware to couple the request's user to log items. This is accomplished by currying the
signal receiver with the user from the request (or None if the user is not authenticated).
"""
def __init__(self, get_response=None):
self.get_response = get_response
@staticmethod
def _get_remote_addr(request):
# In case there is no proxy, return the original address
if not request.headers.get("X-Forwarded-For"):
return request.META.get("REMOTE_ADDR")
# In case of proxy, set 'original' address
remote_addr: str = request.headers.get("X-Forwarded-For").split(",")[0]
# Remove port number from remote_addr
if "." in remote_addr and ":" in remote_addr: # IPv4 with port (`x.x.x.x:x`)
remote_addr = remote_addr.split(":")[0]
elif "[" in remote_addr: # IPv6 with port (`[:::]:x`)
remote_addr = remote_addr[1:].split("]")[0]
return remote_addr
def __call__(self, request):
remote_addr = self._get_remote_addr(request)
set_cid(request)
if hasattr(request, "user") and request.user.is_authenticated:
context = set_actor(actor=request.user, remote_addr=remote_addr)
else:
context = contextlib.nullcontext()
with context:
return self.get_response(request)