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134 lines
4.9 KiB
134 lines
4.9 KiB
import logging
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import uuid
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from django.db import models
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from django.db.models import Q
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from django.utils import timezone
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from django.utils.translation import ugettext_lazy as _
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from assets.models import Asset, Account
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from common.db.models import UnionQuerySet
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from common.utils import date_expired_default
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from orgs.mixins.models import OrgManager
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from orgs.mixins.models import OrgModelMixin
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from perms.const import ActionChoices
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__all__ = ['AssetPermission', 'ActionChoices']
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# 使用场景
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logger = logging.getLogger(__name__)
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class AssetPermissionQuerySet(models.QuerySet):
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def active(self):
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return self.filter(is_active=True)
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def valid(self):
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return self.active().filter(date_start__lt=timezone.now()) \
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.filter(date_expired__gt=timezone.now())
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def inactive(self):
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return self.filter(is_active=False)
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def invalid(self):
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now = timezone.now()
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q = (Q(is_active=False) | Q(date_start__gt=now) | Q(date_expired__lt=now))
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return self.filter(q)
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def filter_by_accounts(self, accounts):
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q = Q(accounts__contains=list(accounts)) | \
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Q(accounts__contains=Account.AliasAccount.ALL.value)
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return self.filter(q)
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class AssetPermissionManager(OrgManager):
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def valid(self):
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return self.get_queryset().valid()
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class AssetPermission(OrgModelMixin):
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id = models.UUIDField(default=uuid.uuid4, primary_key=True)
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name = models.CharField(max_length=128, verbose_name=_('Name'))
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users = models.ManyToManyField(
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'users.User', related_name='%(class)ss', blank=True, verbose_name=_("User")
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)
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user_groups = models.ManyToManyField(
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'users.UserGroup', related_name='%(class)ss', blank=True, verbose_name=_("User group")
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)
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assets = models.ManyToManyField(
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'assets.Asset', related_name='granted_by_permissions', blank=True, verbose_name=_("Asset")
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)
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nodes = models.ManyToManyField(
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'assets.Node', related_name='granted_by_permissions', blank=True, verbose_name=_("Nodes")
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)
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# 特殊的账号: @ALL, @INPUT @USER 默认包含，将来在全局设置中进行控制.
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accounts = models.JSONField(default=list, verbose_name=_("Accounts"))
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actions = models.IntegerField(default=ActionChoices.connect, verbose_name=_("Actions"))
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date_start = models.DateTimeField(default=timezone.now, db_index=True, verbose_name=_("Date start"))
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date_expired = models.DateTimeField(
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default=date_expired_default, db_index=True, verbose_name=_('Date expired')
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)
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comment = models.TextField(verbose_name=_('Comment'), blank=True)
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is_active = models.BooleanField(default=True, verbose_name=_('Active'))
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from_ticket = models.BooleanField(default=False, verbose_name=_('From ticket'))
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date_created = models.DateTimeField(auto_now_add=True, verbose_name=_('Date created'))
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created_by = models.CharField(max_length=128, blank=True, verbose_name=_('Created by'))
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objects = AssetPermissionManager.from_queryset(AssetPermissionQuerySet)()
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class Meta:
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unique_together = [('org_id', 'name')]
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verbose_name = _("Asset permission")
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ordering = ('name',)
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permissions = []
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def __str__(self):
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return self.name
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@property
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def is_expired(self):
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if self.date_expired > timezone.now() > self.date_start:
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return False
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return True
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@property
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def is_valid(self):
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if not self.is_expired and self.is_active:
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return True
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return False
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def get_all_users(self):
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from users.models import User
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user_ids = self.users.all().values_list('id', flat=True)
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group_ids = self.user_groups.all().values_list('id', flat=True)
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user_ids = list(user_ids)
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group_ids = list(group_ids)
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qs1 = User.objects.filter(id__in=user_ids).distinct()
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qs2 = User.objects.filter(groups__id__in=group_ids).distinct()
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qs = UnionQuerySet(qs1, qs2)
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return qs
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def get_all_assets(self, flat=False):
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from assets.models import Node
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nodes_keys = self.nodes.all().values_list('key', flat=True)
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asset_ids = set(self.assets.all().values_list('id', flat=True))
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nodes_asset_ids = Node.get_nodes_all_asset_ids_by_keys(nodes_keys)
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asset_ids.update(nodes_asset_ids)
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if flat:
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return asset_ids
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assets = Asset.objects.filter(id__in=asset_ids)
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return assets
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def get_all_accounts(self, flat=False):
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"""
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:return: 返回授权的所有账号对象 Account
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"""
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asset_ids = self.get_all_assets(flat=True)
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q = Q(asset_id__in=asset_ids)
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if Account.AliasAccount.ALL not in self.accounts:
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q &= Q(username__in=self.accounts)
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accounts = Account.objects.filter(q).order_by('asset__name', 'name', 'username')
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if not flat:
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return accounts
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return accounts.values_list('id', flat=True)
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