mirror of https://github.com/jumpserver/jumpserver
203 lines
7.3 KiB
Python
203 lines
7.3 KiB
Python
from django.db import models
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from django.db.models import Exists, OuterRef
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from django.utils.translation import gettext_lazy as _
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from simple_history.models import HistoricalRecords
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from assets.models.base import AbsConnectivity
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from common.utils import lazyproperty, get_logger
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from labels.mixins import LabeledMixin
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from .base import BaseAccount
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from .mixins import VaultModelMixin
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from ..const import Source
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logger = get_logger(__file__)
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__all__ = ['Account', 'AccountHistoricalRecords']
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class AccountHistoricalRecords(HistoricalRecords):
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def __init__(self, *args, **kwargs):
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self.updated_version = None
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self.included_fields = kwargs.pop('included_fields', None)
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super().__init__(*args, **kwargs)
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def post_save(self, instance, created, using=None, **kwargs):
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if not self.included_fields:
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return super().post_save(instance, created, using=using, **kwargs)
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check_fields = set(self.included_fields) - {'version'}
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history_account = instance.history.first()
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if history_account is None:
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self.updated_version = 0
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return super().post_save(instance, created, using=using, **kwargs)
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history_attrs = {field: getattr(history_account, field) for field in check_fields}
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attrs = {field: getattr(instance, field) for field in check_fields}
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history_attrs = set(history_attrs.items())
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attrs = set(attrs.items())
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diff = attrs - history_attrs
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if not diff:
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return
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self.updated_version = history_account.version + 1
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instance.version = self.updated_version
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return super().post_save(instance, created, using=using, **kwargs)
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def create_historical_record(self, instance, history_type, using=None):
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super().create_historical_record(instance, history_type, using=using)
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# Ignore deletion history_type: -
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if self.updated_version is not None and history_type != '-':
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instance.save(update_fields=['version'])
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def create_history_model(self, model, inherited):
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if self.included_fields and not self.excluded_fields:
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self.excluded_fields = [
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field.name for field in model._meta.fields
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if field.name not in self.included_fields
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]
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return super().create_history_model(model, inherited)
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class Account(AbsConnectivity, LabeledMixin, BaseAccount):
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asset = models.ForeignKey(
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'assets.Asset', related_name='accounts',
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on_delete=models.CASCADE, verbose_name=_('Asset')
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)
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su_from = models.ForeignKey(
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'accounts.Account', related_name='su_to', null=True,
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on_delete=models.SET_NULL, verbose_name=_("Su from")
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)
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version = models.IntegerField(default=0, verbose_name=_('Version'))
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secret_reset = models.BooleanField(default=True, verbose_name=_('Secret reset'))
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history = AccountHistoricalRecords(included_fields=['id', '_secret', 'secret_type', 'version'])
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source = models.CharField(max_length=30, default=Source.LOCAL, verbose_name=_('Source'))
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source_id = models.CharField(max_length=128, null=True, blank=True, verbose_name=_('Source ID'))
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date_last_login = models.DateTimeField(null=True, blank=True, verbose_name=_('Date last access'))
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login_by = models.CharField(max_length=128, null=True, blank=True, verbose_name=_('Access by'))
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date_change_secret = models.DateTimeField(null=True, blank=True, verbose_name=_('Date change secret'))
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change_secret_status = models.CharField(max_length=16, null=True, blank=True,
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verbose_name=_('Change secret status'))
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class Meta:
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verbose_name = _('Account')
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unique_together = [
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('username', 'asset', 'secret_type'),
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('name', 'asset'),
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]
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permissions = [
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('view_accountsecret', _('Can view asset account secret')),
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('view_historyaccount', _('Can view asset history account')),
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('view_historyaccountsecret', _('Can view asset history account secret')),
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('verify_account', _('Can verify account')),
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('push_account', _('Can push account')),
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('remove_account', _('Can remove account')),
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]
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def __str__(self):
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if self.asset_id:
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host = self.asset.name
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else:
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host = 'Dynamic'
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return '{}({})'.format(self.name, host)
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@lazyproperty
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def platform(self):
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return self.asset.platform
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@lazyproperty
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def alias(self):
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if self.username.startswith('@'):
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return self.username
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return self.name
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@lazyproperty
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def has_secret(self):
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return bool(self.secret)
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@lazyproperty
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def versions(self):
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return self.history.count()
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def get_su_from_accounts(self):
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""" 排除自己和以自己为 su-from 的账号 """
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return self.asset.accounts.exclude(id=self.id).exclude(su_from=self)
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def make_account_ansible_vars(self, su_from):
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var = {
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'ansible_user': su_from.username,
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}
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if not su_from.secret:
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return var
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var['ansible_password'] = self.escape_jinja2_syntax(su_from.secret)
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var['ansible_ssh_private_key_file'] = su_from.private_key_path
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return var
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def get_ansible_become_auth(self):
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su_from = self.su_from
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platform = self.platform
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auth = {'ansible_become': False}
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if not (platform.su_enabled and su_from):
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return auth
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auth.update(self.make_account_ansible_vars(su_from))
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become_method = platform.ansible_become_method
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password = su_from.secret if become_method == 'sudo' else self.secret
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auth['ansible_become'] = True
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auth['ansible_become_method'] = become_method
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auth['ansible_become_user'] = self.username
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auth['ansible_become_password'] = self.escape_jinja2_syntax(password)
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return auth
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@staticmethod
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def escape_jinja2_syntax(value):
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if not isinstance(value, str):
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return value
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def escape(v):
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v = v.replace('{{', '__TEMP_OPEN_BRACES__') \
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.replace('}}', '__TEMP_CLOSE_BRACES__')
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v = v.replace('__TEMP_OPEN_BRACES__', '{{ "{{" }}') \
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.replace('__TEMP_CLOSE_BRACES__', '{{ "}}" }}')
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return v.replace('{%', '{{ "{%" }}').replace('%}', '{{ "%}" }}')
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return escape(value)
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@classmethod
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def get_risks(cls, queryset=None, risk_type=None):
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# TODO 数据量大时，子查询性能不佳，考虑用原生sql或者在模型层面做出改动
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from accounts.models import AccountRisk
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subquery = AccountRisk.objects.filter(
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asset_id=OuterRef('asset_id'),
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username=OuterRef('username')
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)
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if risk_type:
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subquery = subquery.filter(risk=risk_type)
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if queryset is None:
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queryset = cls.objects.all()
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return queryset.filter(Exists(subquery))
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def replace_history_model_with_mixin():
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"""
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替换历史模型中的父类为指定的Mixin类。
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Parameters:
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model (class): 历史模型类，例如 Account.history.model
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mixin_class (class): 要替换为的Mixin类
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Returns:
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None
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"""
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model = Account.history.model
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model.__bases__ = (VaultModelMixin,) + model.__bases__
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replace_history_model_with_mixin()
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