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137 lines
4.4 KiB
137 lines
4.4 KiB
# -*- coding: utf-8 -*-
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#
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from django.db import models
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from django.db.models import F
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from django.utils.translation import ugettext_lazy as _
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from simple_history.models import HistoricalRecords
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from common.utils import lazyproperty, get_logger
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from .base import BaseUser, AbsConnectivity
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logger = get_logger(__name__)
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__all__ = ['AuthBook']
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class AuthBook(BaseUser, AbsConnectivity):
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asset = models.ForeignKey('assets.Asset', on_delete=models.CASCADE, verbose_name=_('Asset'))
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systemuser = models.ForeignKey('assets.SystemUser', on_delete=models.CASCADE, null=True, verbose_name=_("System user"))
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version = models.IntegerField(default=1, verbose_name=_('Version'))
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history = HistoricalRecords()
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auth_attrs = ['username', 'password', 'private_key', 'public_key']
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class Meta:
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verbose_name = _('AuthBook')
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unique_together = [('username', 'asset', 'systemuser')]
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permissions = [
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('test_authbook', _('Can test asset account connectivity')),
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('view_assetaccountsecret', _('Can view asset account secret')),
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('change_assetaccountsecret', _('Can change asset account secret'))
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]
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.auth_snapshot = {}
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def get_or_systemuser_attr(self, attr):
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val = getattr(self, attr, None)
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if val:
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return val
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if self.systemuser:
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return getattr(self.systemuser, attr, '')
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return ''
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def load_auth(self):
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for attr in self.auth_attrs:
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value = self.get_or_systemuser_attr(attr)
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self.auth_snapshot[attr] = [getattr(self, attr), value]
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setattr(self, attr, value)
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def unload_auth(self):
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if not self.systemuser:
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return
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for attr, values in self.auth_snapshot.items():
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origin_value, loaded_value = values
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current_value = getattr(self, attr, '')
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if current_value == loaded_value:
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setattr(self, attr, origin_value)
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def save(self, *args, **kwargs):
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self.unload_auth()
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instance = super().save(*args, **kwargs)
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self.load_auth()
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return instance
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@property
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def username_display(self):
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return self.get_or_systemuser_attr('username') or '*'
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@lazyproperty
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def systemuser_display(self):
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if not self.systemuser:
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return ''
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return str(self.systemuser)
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@property
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def smart_name(self):
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username = self.username_display
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if self.asset:
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asset = str(self.asset)
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else:
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asset = '*'
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return '{}@{}'.format(username, asset)
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def sync_to_system_user_account(self):
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if self.systemuser:
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return
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matched = AuthBook.objects.filter(
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asset=self.asset, systemuser__username=self.username
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)
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if not matched:
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return
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for i in matched:
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i.password = self.password
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i.private_key = self.private_key
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i.public_key = self.public_key
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i.comment = 'Update triggered by account {}'.format(self.id)
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# 不触发post_save信号
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self.__class__.objects.bulk_update(matched, fields=['password', 'private_key', 'public_key'])
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def remove_asset_admin_user_if_need(self):
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if not self.asset or not self.systemuser:
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return
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if not self.systemuser.is_admin_user or self.asset.admin_user != self.systemuser:
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return
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self.asset.admin_user = None
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self.asset.save()
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logger.debug('Remove asset admin user: {} {}'.format(self.asset, self.systemuser))
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def update_asset_admin_user_if_need(self):
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if not self.asset or not self.systemuser:
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return
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if not self.systemuser.is_admin_user or self.asset.admin_user == self.systemuser:
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return
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self.asset.admin_user = self.systemuser
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self.asset.save()
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logger.debug('Update asset admin user: {} {}'.format(self.asset, self.systemuser))
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@classmethod
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def get_queryset(cls):
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queryset = cls.objects.all() \
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.annotate(ip=F('asset__ip')) \
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.annotate(hostname=F('asset__hostname')) \
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.annotate(platform=F('asset__platform__name')) \
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.annotate(protocols=F('asset__protocols'))
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return queryset
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def __str__(self):
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return self.smart_name
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