jumpserver/apps/settings/signals_handler.py

47 lines
1.4 KiB
Python

# -*- coding: utf-8 -*-
#
import json
from django.dispatch import receiver
from django.db.models.signals import post_save, pre_save
from jumpserver.utils import current_request
from common.utils import get_logger, ssh_key_gen
from common.signals import django_ready
from .models import Setting
logger = get_logger(__file__)
@receiver(post_save, sender=Setting, dispatch_uid="my_unique_identifier")
def refresh_settings_on_changed(sender, instance=None, **kwargs):
if instance:
instance.refresh_setting()
@receiver(django_ready)
def on_django_ready_add_db_config(sender, **kwargs):
from django.conf import settings
settings.DYNAMIC.db_setting = Setting
@receiver(django_ready)
def auto_generate_terminal_host_key(sender, **kwargs):
try:
if Setting.objects.filter(name='TERMINAL_HOST_KEY').exists():
return
private_key, public_key = ssh_key_gen()
value = json.dumps(private_key)
Setting.objects.create(name='TERMINAL_HOST_KEY', value=value)
except:
pass
@receiver(pre_save, dispatch_uid="my_unique_identifier")
def on_create_set_created_by(sender, instance=None, **kwargs):
if getattr(instance, '_ignore_auto_created_by', False) is True:
return
if hasattr(instance, 'created_by') and not instance.created_by:
if current_request and current_request.user.is_authenticated:
instance.created_by = current_request.user.name