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78 lines
2.2 KiB
78 lines
2.2 KiB
# -*- coding: utf-8 -*-
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#
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import json
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from django.conf import LazySettings
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from django.db.models.signals import post_save
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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.utils.functional import LazyObject
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from common.decorators import on_transaction_commit
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from common.signals import django_ready
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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 .models import Setting
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logger = get_logger(__file__)
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class SettingSubPub(LazyObject):
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def _setup(self):
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self._wrapped = RedisPubSub('settings')
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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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if instance.is_name('PERM_SINGLE_ASSET_TO_UNGROUP_NODE'):
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""" 过期所有用户授权树 """
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logger.debug('Expire all user perm tree')
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from perms.utils import UserPermTreeExpireUtil
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UserPermTreeExpireUtil().expire_perm_tree_for_all_user()
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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(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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setting_pub_sub.subscribe(lambda name: Setting.refresh_item(name))
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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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