jumpserver/apps/perms/models/asset_permission.py

296 lines
9.9 KiB
Python

import uuid
import logging
from django.utils import timezone
from django.utils.translation import ugettext_lazy as _
from django.db import models
from django.db.models import F, Q, TextChoices
from assets.models import Asset, Node, FamilyMixin
from orgs.mixins.models import OrgModelMixin
from orgs.mixins.models import OrgManager
from common.utils import lazyproperty, date_expired_default
from common.db.models import BaseCreateUpdateModel, BitOperationChoice, UnionQuerySet
__all__ = [
'AssetPermission', 'PermNode',
'UserAssetGrantedTreeNodeRelation',
'Action'
]
# 使用场景
logger = logging.getLogger(__name__)
class Action(BitOperationChoice):
ALL = 0xff
CONNECT = 0b1
UPLOAD = 0b1 << 1
DOWNLOAD = 0b1 << 2
CLIPBOARD_COPY = 0b1 << 3
CLIPBOARD_PASTE = 0b1 << 4
UPDOWNLOAD = UPLOAD | DOWNLOAD
CLIPBOARD_COPY_PASTE = CLIPBOARD_COPY | CLIPBOARD_PASTE
DB_CHOICES = (
(ALL, _('All')),
(CONNECT, _('Connect')),
(UPLOAD, _('Upload file')),
(DOWNLOAD, _('Download file')),
(UPDOWNLOAD, _("Upload download")),
(CLIPBOARD_COPY, _('Clipboard copy')),
(CLIPBOARD_PASTE, _('Clipboard paste')),
(CLIPBOARD_COPY_PASTE, _('Clipboard copy paste'))
)
NAME_MAP = {
ALL: "all",
CONNECT: "connect",
UPLOAD: "upload_file",
DOWNLOAD: "download_file",
UPDOWNLOAD: "updownload",
CLIPBOARD_COPY: 'clipboard_copy',
CLIPBOARD_PASTE: 'clipboard_paste',
CLIPBOARD_COPY_PASTE: 'clipboard_copy_paste'
}
NAME_MAP_REVERSE = {v: k for k, v in NAME_MAP.items()}
CHOICES = []
for i, j in DB_CHOICES:
CHOICES.append((NAME_MAP[i], j))
class AssetPermissionQuerySet(models.QuerySet):
def active(self):
return self.filter(is_active=True)
def valid(self):
return self.active().filter(date_start__lt=timezone.now()) \
.filter(date_expired__gt=timezone.now())
def inactive(self):
return self.filter(is_active=False)
def invalid(self):
now = timezone.now()
q = (Q(is_active=False) | Q(date_start__gt=now) | Q(date_expired__lt=now))
return self.filter(q)
class AssetPermissionManager(OrgManager):
def valid(self):
return self.get_queryset().valid()
class AssetPermission(OrgModelMixin):
id = models.UUIDField(default=uuid.uuid4, primary_key=True)
name = models.CharField(max_length=128, verbose_name=_('Name'))
users = models.ManyToManyField('users.User', blank=True, verbose_name=_("User"), related_name='%(class)ss')
user_groups = models.ManyToManyField('users.UserGroup', blank=True, verbose_name=_("User group"), related_name='%(class)ss')
assets = models.ManyToManyField('assets.Asset', related_name='granted_by_permissions', blank=True, verbose_name=_("Asset"))
nodes = models.ManyToManyField('assets.Node', related_name='granted_by_permissions', blank=True, verbose_name=_("Nodes"))
accounts = models.JSONField(default=list, verbose_name=_("Accounts"))
actions = models.IntegerField(choices=Action.DB_CHOICES, default=Action.ALL, verbose_name=_("Actions"))
is_active = models.BooleanField(default=True, verbose_name=_('Active'))
date_start = models.DateTimeField(default=timezone.now, db_index=True, verbose_name=_("Date start"))
date_expired = models.DateTimeField(default=date_expired_default, db_index=True, verbose_name=_('Date expired'))
created_by = models.CharField(max_length=128, blank=True, verbose_name=_('Created by'))
date_created = models.DateTimeField(auto_now_add=True, verbose_name=_('Date created'))
from_ticket = models.BooleanField(default=False, verbose_name=_('From ticket'))
comment = models.TextField(verbose_name=_('Comment'), blank=True)
objects = AssetPermissionManager.from_queryset(AssetPermissionQuerySet)()
class Meta:
unique_together = [('org_id', 'name')]
verbose_name = _("Asset permission")
ordering = ('name',)
permissions = []
def __str__(self):
return self.name
@property
def id_str(self):
return str(self.id)
@property
def is_expired(self):
if self.date_expired > timezone.now() > self.date_start:
return False
return True
@property
def is_valid(self):
if not self.is_expired and self.is_active:
return True
return False
@property
def all_users(self):
from users.models import User
users_query = self._meta.get_field('users').related_query_name()
user_groups_query = self._meta.get_field('user_groups').related_query_name()
users_q = Q(**{f'{users_query}': self})
user_groups_q = Q(**{f'groups__{user_groups_query}': self})
return User.objects.filter(users_q | user_groups_q).distinct()
def get_all_users(self):
from users.models import User
user_ids = self.users.all().values_list('id', flat=True)
group_ids = self.user_groups.all().values_list('id', flat=True)
user_ids = list(user_ids)
group_ids = list(group_ids)
qs1 = User.objects.filter(id__in=user_ids).distinct()
qs2 = User.objects.filter(groups__id__in=group_ids).distinct()
qs = UnionQuerySet(qs1, qs2)
return qs
@lazyproperty
def users_amount(self):
return self.users.count()
@lazyproperty
def user_groups_amount(self):
return self.user_groups.count()
@lazyproperty
def assets_amount(self):
return self.assets.count()
@lazyproperty
def nodes_amount(self):
return self.nodes.count()
@classmethod
def get_queryset_with_prefetch(cls):
return cls.objects.all().valid().prefetch_related(
models.Prefetch('nodes', queryset=Node.objects.all().only('key')),
models.Prefetch('assets', queryset=Asset.objects.all().only('id')),
).order_by()
def get_all_assets(self):
from assets.models import Node
nodes_keys = self.nodes.all().values_list('key', flat=True)
asset_ids = set(self.assets.all().values_list('id', flat=True))
nodes_asset_ids = Node.get_nodes_all_asset_ids_by_keys(nodes_keys)
asset_ids.update(nodes_asset_ids)
assets = Asset.objects.filter(id__in=asset_ids)
return assets
def users_display(self):
names = [user.username for user in self.users.all()]
return names
def user_groups_display(self):
names = [group.name for group in self.user_groups.all()]
return names
def assets_display(self):
names = [asset.name for asset in self.assets.all()]
return names
def nodes_display(self):
names = [node.full_value for node in self.nodes.all()]
return names
class UserAssetGrantedTreeNodeRelation(OrgModelMixin, FamilyMixin, BaseCreateUpdateModel):
class NodeFrom(TextChoices):
granted = 'granted', 'Direct node granted'
child = 'child', 'Have children node'
asset = 'asset', 'Direct asset granted'
user = models.ForeignKey('users.User', db_constraint=False, on_delete=models.CASCADE)
node = models.ForeignKey('assets.Node', default=None, on_delete=models.CASCADE,
db_constraint=False, null=False, related_name='granted_node_rels')
node_key = models.CharField(max_length=64, verbose_name=_("Key"), db_index=True)
node_parent_key = models.CharField(max_length=64, default='', verbose_name=_('Parent key'), db_index=True)
node_from = models.CharField(choices=NodeFrom.choices, max_length=16, db_index=True)
node_assets_amount = models.IntegerField(default=0)
@property
def key(self):
return self.node_key
@property
def parent_key(self):
return self.node_parent_key
@classmethod
def get_node_granted_status(cls, user, key):
ancestor_keys = set(cls.get_node_ancestor_keys(key, with_self=True))
ancestor_rel_nodes = cls.objects.filter(user=user, node_key__in=ancestor_keys)
for rel_node in ancestor_rel_nodes:
if rel_node.key == key:
return rel_node.node_from, rel_node
if rel_node.node_from == cls.NodeFrom.granted:
return cls.NodeFrom.granted, None
return '', None
class PermNode(Node):
class Meta:
proxy = True
ordering = []
# 特殊节点
UNGROUPED_NODE_KEY = 'ungrouped'
UNGROUPED_NODE_VALUE = _('Ungrouped')
FAVORITE_NODE_KEY = 'favorite'
FAVORITE_NODE_VALUE = _('Favorite')
node_from = ''
granted_assets_amount = 0
annotate_granted_node_rel_fields = {
'granted_assets_amount': F('granted_node_rels__node_assets_amount'),
'node_from': F('granted_node_rels__node_from')
}
def use_granted_assets_amount(self):
self.assets_amount = self.granted_assets_amount
@classmethod
def get_ungrouped_node(cls, assets_amount):
return cls(
id=cls.UNGROUPED_NODE_KEY,
key=cls.UNGROUPED_NODE_KEY,
value=cls.UNGROUPED_NODE_VALUE,
assets_amount=assets_amount
)
@classmethod
def get_favorite_node(cls, assets_amount):
node = cls(
id=cls.FAVORITE_NODE_KEY,
key=cls.FAVORITE_NODE_KEY,
value=cls.FAVORITE_NODE_VALUE,
)
node.assets_amount = assets_amount
return node
def get_granted_status(self, user):
status, rel_node = UserAssetGrantedTreeNodeRelation.get_node_granted_status(user, self.key)
self.node_from = status
if rel_node:
self.granted_assets_amount = rel_node.node_assets_amount
return status
def save(self):
# 这是个只读 Model
raise NotImplementedError
class PermedAsset(Asset):
class Meta:
proxy = True
verbose_name = _('Permed asset')
permissions = [
('view_myassets', _('Can view my assets')),
('view_userassets', _('Can view user assets')),
('view_usergroupassets', _('Can view usergroup assets')),
]