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authentik/authentik/core/middleware.py

75 lines
2.8 KiB
Python

"""authentik admin Middleware to impersonate users"""
from contextvars import ContextVar
from typing import Callable, Optional
from uuid import uuid4
from django.http import HttpRequest, HttpResponse
from django.utils.translation import activate
from sentry_sdk.api import set_tag
from structlog.contextvars import STRUCTLOG_KEY_PREFIX
SESSION_KEY_IMPERSONATE_USER = "authentik/impersonate/user"
SESSION_KEY_IMPERSONATE_ORIGINAL_USER = "authentik/impersonate/original_user"
RESPONSE_HEADER_ID = "X-authentik-id"
KEY_AUTH_VIA = "auth_via"
KEY_USER = "user"
CTX_REQUEST_ID = ContextVar[Optional[str]](STRUCTLOG_KEY_PREFIX + "request_id", default=None)
CTX_HOST = ContextVar[Optional[str]](STRUCTLOG_KEY_PREFIX + "host", default=None)
CTX_AUTH_VIA = ContextVar[Optional[str]](STRUCTLOG_KEY_PREFIX + KEY_AUTH_VIA, default=None)
class ImpersonateMiddleware:
"""Middleware to impersonate users"""
get_response: Callable[[HttpRequest], HttpResponse]
def __init__(self, get_response: Callable[[HttpRequest], HttpResponse]):
self.get_response = get_response
def __call__(self, request: HttpRequest) -> HttpResponse:
# No permission checks are done here, they need to be checked before
# SESSION_KEY_IMPERSONATE_USER is set.
if request.user.is_authenticated:
locale = request.user.locale(request)
if locale != "":
activate(locale)
if SESSION_KEY_IMPERSONATE_USER in request.session:
request.user = request.session[SESSION_KEY_IMPERSONATE_USER]
# Ensure that the user is active, otherwise nothing will work
request.user.is_active = True
return self.get_response(request)
class RequestIDMiddleware:
"""Add a unique ID to every request"""
get_response: Callable[[HttpRequest], HttpResponse]
def __init__(self, get_response: Callable[[HttpRequest], HttpResponse]):
self.get_response = get_response
def __call__(self, request: HttpRequest) -> HttpResponse:
if not hasattr(request, "request_id"):
request_id = uuid4().hex
setattr(request, "request_id", request_id)
CTX_REQUEST_ID.set(request_id)
CTX_HOST.set(request.get_host())
set_tag("authentik.request_id", request_id)
if hasattr(request, "user") and getattr(request.user, "is_authenticated", False):
CTX_AUTH_VIA.set("session")
else:
CTX_AUTH_VIA.set("unauthenticated")
response = self.get_response(request)
response[RESPONSE_HEADER_ID] = request.request_id
setattr(response, "ak_context", {})
response.ak_context["request_id"] = CTX_REQUEST_ID.get()
response.ak_context["host"] = CTX_HOST.get()
response.ak_context[KEY_AUTH_VIA] = CTX_AUTH_VIA.get()
response.ak_context[KEY_USER] = request.user.username
return response