mirror of
https://gitlab.crans.org/bde/nk20
synced 2024-11-30 04:13:01 +00:00
124 lines
3.5 KiB
Python
124 lines
3.5 KiB
Python
# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
|
|
# SPDX-License-Identifier: GPL-3.0-or-later
|
|
|
|
import inspect
|
|
|
|
from django.contrib.contenttypes.models import ContentType
|
|
from django.core import serializers
|
|
from django.db.models.signals import pre_save, post_save, post_delete
|
|
from django.dispatch import receiver
|
|
from .models import Changelog
|
|
|
|
|
|
def get_request_in_signal(sender):
|
|
req = None
|
|
for entry in reversed(inspect.stack()):
|
|
try:
|
|
req = entry[0].f_locals['request']
|
|
# Check if there is a user
|
|
# noinspection PyStatementEffect
|
|
req.user
|
|
break
|
|
except:
|
|
pass
|
|
|
|
if not req:
|
|
print("WARNING: Attempt to save " + str(sender) + " with no user")
|
|
|
|
return req
|
|
|
|
|
|
def get_user_and_ip(sender):
|
|
req = get_request_in_signal(sender)
|
|
try:
|
|
user = req.user
|
|
if 'HTTP_X_FORWARDED_FOR' in req.META:
|
|
ip = req.META.get('HTTP_X_FORWARDED_FOR')
|
|
else:
|
|
ip = req.META.get('REMOTE_ADDR')
|
|
except:
|
|
user = None
|
|
ip = None
|
|
return user, ip
|
|
|
|
|
|
EXCLUDED = [
|
|
'admin.logentry',
|
|
'authtoken.token',
|
|
'cas_server.user',
|
|
'cas_server.userattributes',
|
|
'contenttypes.contenttype',
|
|
'logs.changelog',
|
|
'migrations.migration',
|
|
'note.noteuser',
|
|
'note.noteclub',
|
|
'note.notespecial',
|
|
'sessions.session',
|
|
'reversion.revision',
|
|
'reversion.version',
|
|
]
|
|
|
|
|
|
@receiver(pre_save)
|
|
def pre_save_object(sender, instance, **kwargs):
|
|
qs = sender.objects.filter(pk=instance.pk).all()
|
|
if qs.exists():
|
|
instance._previous = qs.get()
|
|
else:
|
|
instance._previous = None
|
|
|
|
|
|
@receiver(post_save)
|
|
def save_object(sender, instance, **kwargs):
|
|
# noinspection PyProtectedMember
|
|
if instance._meta.label_lower in EXCLUDED:
|
|
return
|
|
|
|
previous = instance._previous
|
|
|
|
user, ip = get_user_and_ip(sender)
|
|
|
|
from django.contrib.auth.models import AnonymousUser
|
|
if isinstance(user, AnonymousUser):
|
|
user = None
|
|
|
|
if user is not None and instance._meta.label_lower == "auth.user" and previous:
|
|
# Don't save last login modifications
|
|
if instance.last_login != previous.last_login:
|
|
return
|
|
|
|
previous_json = serializers.serialize('json', [previous, ])[1:-1] if previous else None
|
|
instance_json = serializers.serialize('json', [instance, ])[1:-1]
|
|
|
|
if previous_json == instance_json:
|
|
# No modification
|
|
return
|
|
|
|
Changelog.objects.create(user=user,
|
|
ip=ip,
|
|
model=ContentType.objects.get_for_model(instance),
|
|
instance_pk=instance.pk,
|
|
previous=previous_json,
|
|
data=instance_json,
|
|
action=("edit" if previous else "create")
|
|
).save()
|
|
|
|
|
|
@receiver(post_delete)
|
|
def delete_object(sender, instance, **kwargs):
|
|
# noinspection PyProtectedMember
|
|
if instance._meta.label_lower in EXCLUDED:
|
|
return
|
|
|
|
user, ip = get_user_and_ip(sender)
|
|
|
|
instance_json = serializers.serialize('json', [instance, ])[1:-1]
|
|
Changelog.objects.create(user=user,
|
|
ip=ip,
|
|
model=ContentType.objects.get_for_model(instance),
|
|
instance_pk=instance.pk,
|
|
previous=instance_json,
|
|
data=None,
|
|
action="delete"
|
|
).save()
|