mirror of https://github.com/jumpserver/jumpserver
105 lines
3.1 KiB
Python
105 lines
3.1 KiB
Python
# -*- coding: utf-8 -*-
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#
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import json
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import threading
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from django.conf import LazySettings
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from django.db.utils import ProgrammingError, OperationalError
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from django.dispatch import receiver
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from django.db.models.signals import post_save, pre_save
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from django.utils.functional import LazyObject
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from jumpserver.utils import current_request
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from common.decorator import on_transaction_commit
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from common.utils import get_logger, ssh_key_gen
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from common.utils.connection import RedisPubSub
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from common.signals import django_ready
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from .models import Setting
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logger = get_logger(__file__)
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def get_settings_pub_sub():
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return RedisPubSub('settings')
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class SettingSubPub(LazyObject):
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def _setup(self):
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self._wrapped = get_settings_pub_sub()
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setting_pub_sub = SettingSubPub()
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@receiver(post_save, sender=Setting)
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@on_transaction_commit
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def refresh_settings_on_changed(sender, instance=None, **kwargs):
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if not instance:
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return
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setting_pub_sub.publish(instance.name)
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# 配置变化: PERM_SINGLE_ASSET_TO_UNGROUP_NODE
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if instance.name == 'PERM_SINGLE_ASSET_TO_UNGROUP_NODE':
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# 清除所有用户授权树已构建的标记，下次访问重新生成
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logger.debug('Clean ALL User perm tree built mark')
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from perms.utils.asset import UserGrantedTreeRefreshController
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UserGrantedTreeRefreshController.clean_all_user_tree_built_mark()
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@receiver(django_ready)
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def on_django_ready_add_db_config(sender, **kwargs):
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Setting.refresh_all_settings()
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@receiver(django_ready)
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def auto_generate_terminal_host_key(sender, **kwargs):
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try:
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if Setting.objects.filter(name='TERMINAL_HOST_KEY').exists():
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return
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private_key, public_key = ssh_key_gen()
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value = json.dumps(private_key)
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Setting.objects.create(name='TERMINAL_HOST_KEY', value=value)
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except:
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pass
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@receiver(pre_save, dispatch_uid="my_unique_identifier")
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def on_create_set_created_by(sender, instance=None, **kwargs):
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if getattr(instance, '_ignore_auto_created_by', False) is True:
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return
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if not hasattr(instance, 'created_by') or instance.created_by:
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return
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if current_request and current_request.user.is_authenticated:
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user_name = current_request.user.name
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if isinstance(user_name, str):
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user_name = user_name[:30]
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instance.created_by = user_name
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@receiver(django_ready)
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def subscribe_settings_change(sender, **kwargs):
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logger.debug("Start subscribe setting change")
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def keep_subscribe_settings_change():
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setting_pub_sub.subscribe(lambda name: Setting.refresh_item(name))
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t = threading.Thread(target=keep_subscribe_settings_change)
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t.daemon = True
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t.start()
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@receiver(django_ready)
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def monkey_patch_settings(sender, **kwargs):
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def monkey_patch_getattr(self, name):
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val = getattr(self._wrapped, name)
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# 只解析 defaults 中的 callable
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if callable(val) and val.__module__.endswith('jumpserver.conf'):
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val = val()
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return val
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try:
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LazySettings.__getattr__ = monkey_patch_getattr
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except (ProgrammingError, OperationalError):
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pass
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