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115 lines
3.9 KiB
115 lines
3.9 KiB
import uuid
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from functools import reduce
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from django.db import models
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from django.utils.translation import ugettext_lazy as _
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from common.utils import date_expired_default, set_or_append_attr_bulk
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from orgs.mixins import OrgModelMixin
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from .base import BasePermission
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__all__ = [
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'AssetPermission', 'NodePermission', 'Action',
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]
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class Action:
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NONE = 0
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CONNECT = 0b00000001
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UPLOAD = 0b00000010
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DOWNLOAD = 0b00000100
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UPDOWNLOAD = UPLOAD | DOWNLOAD
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ALL = 0b11111111
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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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)
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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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}
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NAME_MAP_REVERSE = dict({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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@classmethod
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def value_to_choices(cls, value):
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value = int(value)
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choices = [cls.NAME_MAP[i] for i, j in cls.DB_CHOICES if value & i == i]
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return choices
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@classmethod
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def choices_to_value(cls, value):
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if not isinstance(value, list):
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return cls.NONE
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db_value = [
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cls.NAME_MAP_REVERSE[v] for v in value
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if v in cls.NAME_MAP_REVERSE.keys()
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]
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if not db_value:
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return cls.NONE
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def to_choices(x, y):
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return x | y
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result = reduce(to_choices, db_value)
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return result
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@classmethod
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def choices(cls):
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return [(cls.NAME_MAP[i], j) for i, j in cls.DB_CHOICES]
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class AssetPermission(BasePermission):
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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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system_users = models.ManyToManyField('assets.SystemUser', related_name='granted_by_permissions', verbose_name=_("System user"))
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# actions = models.ManyToManyField(Action, related_name='permissions', blank=True, verbose_name=_('Action'))
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actions = models.IntegerField(choices=Action.DB_CHOICES, default=Action.ALL, verbose_name=_("Actions"))
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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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@classmethod
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def get_queryset_with_prefetch(cls):
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return cls.objects.all().valid().prefetch_related('nodes', 'assets', 'system_users')
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def get_all_assets(self):
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assets = set(self.assets.all())
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for node in self.nodes.all():
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_assets = node.get_all_assets()
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set_or_append_attr_bulk(_assets, 'inherit', node.value)
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assets.update(set(_assets))
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return assets
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class NodePermission(OrgModelMixin):
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id = models.UUIDField(default=uuid.uuid4, primary_key=True)
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node = models.ForeignKey('assets.Node', on_delete=models.CASCADE, verbose_name=_("Node"))
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user_group = models.ForeignKey('users.UserGroup', on_delete=models.CASCADE, verbose_name=_("User group"))
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system_user = models.ForeignKey('assets.SystemUser', on_delete=models.CASCADE, verbose_name=_("System user"))
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is_active = models.BooleanField(default=True, verbose_name=_('Active'))
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date_expired = models.DateTimeField(default=date_expired_default, 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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comment = models.TextField(verbose_name=_('Comment'), blank=True)
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def __str__(self):
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return "{}:{}:{}".format(self.node.value, self.user_group.name, self.system_user.name)
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class Meta:
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verbose_name = _("Asset permission")
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