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# -*- coding: utf-8 -*-
#
import uuid
from django.db.models import Q
from rest_framework.generics import get_object_or_404
from assets.utils import LabelFilterMixin
from common.permissions import IsValidUser, IsOrgAdminOrAppUser
from common.utils import get_logger
from orgs.utils import set_to_root_org
from ..hands import User, UserGroup, Asset, SystemUser
from .. import serializers
logger = get_logger(__name__)
__all__ = [
'UserPermissionMixin', 'UserGroupPermissionMixin',
]
class UserPermissionMixin:
permission_classes = (IsOrgAdminOrAppUser,)
obj = None
def initial(self, *args, **kwargs):
super().initial(*args, *kwargs)
self.obj = self.get_obj()
def get(self, request, *args, **kwargs):
set_to_root_org()
return super().get(request, *args, **kwargs)
def get_obj(self):
user_id = self.kwargs.get('pk', '')
if user_id:
user = get_object_or_404(User, id=user_id)
else:
user = self.request.user
return user
def get_permissions(self):
if self.kwargs.get('pk') is None:
self.permission_classes = (IsValidUser,)
return super().get_permissions()
class UserGroupPermissionMixin:
obj = None
def get_obj(self):
user_group_id = self.kwargs.get('pk', '')
user_group = get_object_or_404(UserGroup, id=user_group_id)
return user_group
class GrantAssetsMixin(LabelFilterMixin):
serializer_class = serializers.AssetGrantedSerializer
def get_serializer_queryset(self, queryset):
assets_ids = []
system_users_ids = set()
for asset in queryset:
assets_ids.append(asset["id"])
system_users_ids.update(set(asset["system_users"]))
assets = Asset.objects.filter(id__in=assets_ids).only(
*self.serializer_class.Meta.only_fields
)
assets_map = {asset.id: asset for asset in assets}
system_users = SystemUser.objects.filter(id__in=system_users_ids).only(
*self.serializer_class.system_users_only_fields
)
system_users_map = {s.id: s for s in system_users}
data = []
for item in queryset:
i = item["id"]
asset = assets_map.get(i)
if not asset:
continue
_system_users = item["system_users"]
system_users_granted = []
for sid, action in _system_users.items():
system_user = system_users_map.get(sid)
if not system_user:
continue
if not asset.has_protocol(system_user.protocol):
continue
system_user.actions = action
system_users_granted.append(system_user)
asset.system_users_granted = system_users_granted
data.append(asset)
return data
def get_serializer(self, assets_items=None, many=True):
if assets_items is None:
assets_items = []
assets_items = self.get_serializer_queryset(assets_items)
return super().get_serializer(assets_items, many=many)
def filter_queryset_by_id(self, assets_items):
i = self.request.query_params.get("id")
if not i:
return assets_items
try:
pk = uuid.UUID(i)
except ValueError:
return assets_items
assets_map = {asset['id']: asset for asset in assets_items}
if pk in assets_map:
return [assets_map.get(pk)]
else:
return []
def search_queryset(self, assets_items):
search = self.request.query_params.get("search")
if not search:
return assets_items
assets_map = {asset['id']: asset for asset in assets_items}
assets_ids = set(assets_map.keys())
assets_ids_search = Asset.objects.filter(id__in=assets_ids).filter(
Q(hostname__icontains=search) | Q(ip__icontains=search)
).values_list('id', flat=True)
return [assets_map.get(asset_id) for asset_id in assets_ids_search]
def filter_queryset_by_label(self, assets_items):
labels_id = self.get_filter_labels_ids()
if not labels_id:
return assets_items
assets_map = {asset['id']: asset for asset in assets_items}
assets_matched = Asset.objects.filter(id__in=assets_map.keys())
for label_id in labels_id:
assets_matched = assets_matched.filter(labels=label_id)
assets_ids_matched = assets_matched.values_list('id', flat=True)
return [assets_map.get(asset_id) for asset_id in assets_ids_matched]
def sort_queryset(self, assets_items):
order_by = self.request.query_params.get('order', 'hostname')
if order_by not in ['hostname', '-hostname', 'ip', '-ip']:
order_by = 'hostname'
assets_map = {asset['id']: asset for asset in assets_items}
assets_ids_search = Asset.objects.filter(id__in=assets_map.keys())\
.order_by(order_by)\
.values_list('id', flat=True)
return [assets_map.get(asset_id) for asset_id in assets_ids_search]
def filter_queryset(self, assets_items):
assets_items = self.filter_queryset_by_id(assets_items)
assets_items = self.search_queryset(assets_items)
assets_items = self.filter_queryset_by_label(assets_items)
assets_items = self.sort_queryset(assets_items)
return assets_items