You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

90 lines
2.6 KiB

from django.conf import settings
from django.contrib.auth.mixins import UserPassesTestMixin
from django.db.models import Subquery
from django.shortcuts import get_object_or_404
from rest_framework.permissions import BasePermission, SAFE_METHODS, IsAdminUser
from .models import Project, Role, RoleMapping
class ProjectMixin:
@classmethod
def get_project_id(self, request, view):
return view.kwargs.get('project_id') or request.query_params.get('project_id')
class IsAdminUserAndWriteOnly(BasePermission):
def has_permission(self, request, view):
if request.method in SAFE_METHODS:
return True
return IsAdminUser().has_permission(request, view)
class SuperUserMixin(UserPassesTestMixin):
def test_func(self):
return self.request.user.is_superuser
class IsOwnAnnotation(ProjectMixin, BasePermission):
def has_permission(self, request, view):
project_id = self.get_project_id(request, view)
annotation_id = view.kwargs.get('annotation_id')
project = get_object_or_404(Project, pk=project_id)
model = project.get_annotation_class()
annotation = model.objects.filter(id=annotation_id, user=request.user)
return annotation.exists()
class RolePermission(ProjectMixin, BasePermission):
UNSAFE_METHODS = ('POST', 'PATCH', 'DELETE')
unsafe_methods_check = True
role_name = ''
def has_permission(self, request, view):
if request.user.is_superuser:
return True
if self.unsafe_methods_check and request.method in self.UNSAFE_METHODS:
return request.user.is_superuser
project_id = self.get_project_id(request, view)
if not project_id and request.method in SAFE_METHODS:
return True
return is_in_role(self.role_name, request.user.id, project_id)
class IsProjectAdmin(RolePermission):
unsafe_methods_check = False
role_name = settings.ROLE_PROJECT_ADMIN
class IsAnnotatorAndReadOnly(RolePermission):
role_name = settings.ROLE_ANNOTATOR
class IsAnnotator(RolePermission):
unsafe_methods_check = False
role_name = settings.ROLE_ANNOTATOR
class IsAnnotationApproverAndReadOnly(RolePermission):
role_name = settings.ROLE_ANNOTATION_APPROVER
class IsAnnotationApprover(RolePermission):
unsafe_methods_check = False
role_name = settings.ROLE_ANNOTATION_APPROVER
def is_in_role(role_name, user_id, project_id):
return RoleMapping.objects.filter(
user_id=user_id,
project_id=project_id,
role_id=Subquery(Role.objects.filter(name=role_name).values('id')),
).exists()