mirror of https://github.com/jumpserver/jumpserver
301 lines
10 KiB
Python
301 lines
10 KiB
Python
import uuid
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import logging
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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 django.db import models
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from django.db.models import F, Q, TextChoices
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from assets.models import Asset, Node, FamilyMixin
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from orgs.mixins.models import OrgModelMixin
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from orgs.mixins.models import OrgManager
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from common.utils import lazyproperty, date_expired_default
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from common.db.models import BaseCreateUpdateModel, BitOperationChoice, UnionQuerySet
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__all__ = [
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'AssetPermission', 'PermNode',
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'UserAssetGrantedTreeNodeRelation',
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'Action'
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]
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# 使用场景
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logger = logging.getLogger(__name__)
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class Action(BitOperationChoice):
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ALL = 0xff
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CONNECT = 0b1
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UPLOAD = 0b1 << 1
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DOWNLOAD = 0b1 << 2
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CLIPBOARD_COPY = 0b1 << 3
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CLIPBOARD_PASTE = 0b1 << 4
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UPDOWNLOAD = UPLOAD | DOWNLOAD
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CLIPBOARD_COPY_PASTE = CLIPBOARD_COPY | CLIPBOARD_PASTE
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DB_CHOICES = (
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(ALL, _('All')),
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(CONNECT, _('Connect')),
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(UPLOAD, _('Upload file')),
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(DOWNLOAD, _('Download file')),
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(UPDOWNLOAD, _("Upload download")),
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(CLIPBOARD_COPY, _('Clipboard copy')),
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(CLIPBOARD_PASTE, _('Clipboard paste')),
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(CLIPBOARD_COPY_PASTE, _('Clipboard copy paste'))
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)
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NAME_MAP = {
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ALL: "all",
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CONNECT: "connect",
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UPLOAD: "upload_file",
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DOWNLOAD: "download_file",
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UPDOWNLOAD: "updownload",
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CLIPBOARD_COPY: 'clipboard_copy',
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CLIPBOARD_PASTE: 'clipboard_paste',
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CLIPBOARD_COPY_PASTE: 'clipboard_copy_paste'
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}
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NAME_MAP_REVERSE = {v: k for k, v in NAME_MAP.items()}
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CHOICES = []
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for i, j in DB_CHOICES:
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CHOICES.append((NAME_MAP[i], j))
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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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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('users.User', blank=True, verbose_name=_("User"), related_name='%(class)ss')
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user_groups = models.ManyToManyField('users.UserGroup', blank=True, verbose_name=_("User group"), related_name='%(class)ss')
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assets = models.ManyToManyField('assets.Asset', related_name='granted_by_permissions', blank=True, verbose_name=_("Asset"))
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nodes = models.ManyToManyField('assets.Node', related_name='granted_by_permissions', blank=True, verbose_name=_("Nodes"))
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# 只保存 @ALL (@INPUT @USER 默认包含，将来在全局设置中进行控制)
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# 特殊的账号描述
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# ['@ALL',]
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# 指定账号授权
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# ['web', 'root',]
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accounts = models.JSONField(default=list, verbose_name=_("Accounts"))
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actions = models.IntegerField(choices=Action.DB_CHOICES, default=Action.ALL, verbose_name=_("Actions"))
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is_active = models.BooleanField(default=True, verbose_name=_('Active'))
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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(default=date_expired_default, db_index=True, verbose_name=_('Date expired'))
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created_by = models.CharField(max_length=128, blank=True, verbose_name=_('Created by'))
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date_created = models.DateTimeField(auto_now_add=True, verbose_name=_('Date created'))
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from_ticket = models.BooleanField(default=False, verbose_name=_('From ticket'))
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comment = models.TextField(verbose_name=_('Comment'), blank=True)
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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 id_str(self):
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return str(self.id)
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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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@property
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def all_users(self):
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from users.models import User
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users_query = self._meta.get_field('users').related_query_name()
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user_groups_query = self._meta.get_field('user_groups').related_query_name()
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users_q = Q(**{f'{users_query}': self})
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user_groups_q = Q(**{f'groups__{user_groups_query}': self})
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return User.objects.filter(users_q | user_groups_q).distinct()
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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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@lazyproperty
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def users_amount(self):
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return self.users.count()
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@lazyproperty
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def user_groups_amount(self):
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return self.user_groups.count()
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@lazyproperty
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def assets_amount(self):
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return self.assets.count()
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@lazyproperty
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def nodes_amount(self):
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return self.nodes.count()
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@classmethod
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def get_queryset_with_prefetch(cls):
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return cls.objects.all().valid().prefetch_related(
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models.Prefetch('nodes', queryset=Node.objects.all().only('key')),
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models.Prefetch('assets', queryset=Asset.objects.all().only('id')),
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).order_by()
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def get_all_assets(self):
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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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assets = Asset.objects.filter(id__in=asset_ids)
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return assets
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def users_display(self):
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names = [user.username for user in self.users.all()]
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return names
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def user_groups_display(self):
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names = [group.name for group in self.user_groups.all()]
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return names
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def assets_display(self):
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names = [asset.name for asset in self.assets.all()]
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return names
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def nodes_display(self):
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names = [node.full_value for node in self.nodes.all()]
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return names
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class UserAssetGrantedTreeNodeRelation(OrgModelMixin, FamilyMixin, BaseCreateUpdateModel):
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class NodeFrom(TextChoices):
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granted = 'granted', 'Direct node granted'
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child = 'child', 'Have children node'
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asset = 'asset', 'Direct asset granted'
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user = models.ForeignKey('users.User', db_constraint=False, on_delete=models.CASCADE)
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node = models.ForeignKey('assets.Node', default=None, on_delete=models.CASCADE,
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db_constraint=False, null=False, related_name='granted_node_rels')
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node_key = models.CharField(max_length=64, verbose_name=_("Key"), db_index=True)
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node_parent_key = models.CharField(max_length=64, default='', verbose_name=_('Parent key'), db_index=True)
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node_from = models.CharField(choices=NodeFrom.choices, max_length=16, db_index=True)
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node_assets_amount = models.IntegerField(default=0)
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@property
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def key(self):
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return self.node_key
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@property
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def parent_key(self):
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return self.node_parent_key
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@classmethod
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def get_node_granted_status(cls, user, key):
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ancestor_keys = set(cls.get_node_ancestor_keys(key, with_self=True))
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ancestor_rel_nodes = cls.objects.filter(user=user, node_key__in=ancestor_keys)
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for rel_node in ancestor_rel_nodes:
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if rel_node.key == key:
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return rel_node.node_from, rel_node
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if rel_node.node_from == cls.NodeFrom.granted:
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return cls.NodeFrom.granted, None
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return '', None
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class PermNode(Node):
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class Meta:
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proxy = True
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ordering = []
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# 特殊节点
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UNGROUPED_NODE_KEY = 'ungrouped'
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UNGROUPED_NODE_VALUE = _('Ungrouped')
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FAVORITE_NODE_KEY = 'favorite'
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FAVORITE_NODE_VALUE = _('Favorite')
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node_from = ''
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granted_assets_amount = 0
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annotate_granted_node_rel_fields = {
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'granted_assets_amount': F('granted_node_rels__node_assets_amount'),
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'node_from': F('granted_node_rels__node_from')
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}
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def use_granted_assets_amount(self):
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self.assets_amount = self.granted_assets_amount
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@classmethod
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def get_ungrouped_node(cls, assets_amount):
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return cls(
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id=cls.UNGROUPED_NODE_KEY,
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key=cls.UNGROUPED_NODE_KEY,
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value=cls.UNGROUPED_NODE_VALUE,
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assets_amount=assets_amount
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)
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@classmethod
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def get_favorite_node(cls, assets_amount):
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node = cls(
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id=cls.FAVORITE_NODE_KEY,
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key=cls.FAVORITE_NODE_KEY,
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value=cls.FAVORITE_NODE_VALUE,
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)
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node.assets_amount = assets_amount
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return node
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def get_granted_status(self, user):
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status, rel_node = UserAssetGrantedTreeNodeRelation.get_node_granted_status(user, self.key)
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self.node_from = status
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if rel_node:
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self.granted_assets_amount = rel_node.node_assets_amount
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return status
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def save(self):
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# 这是个只读 Model
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raise NotImplementedError
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class PermedAsset(Asset):
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class Meta:
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proxy = True
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verbose_name = _('Permed asset')
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permissions = [
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('view_myassets', _('Can view my assets')),
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('view_userassets', _('Can view user assets')),
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('view_usergroupassets', _('Can view usergroup assets')),
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]
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