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# -*- coding: utf-8 -*-
#
import time
from rest_framework import permissions
from django.contrib.auth.mixins import UserPassesTestMixin
from django.shortcuts import redirect
from django.http.response import HttpResponseForbidden
from django.conf import settings
from orgs.utils import current_org
class IsValidUser(permissions.IsAuthenticated, permissions.BasePermission):
"""Allows access to valid user, is active and not expired"""
def has_permission(self, request, view):
return super(IsValidUser, self).has_permission(request, view) \
and request.user.is_valid
class IsAppUser(IsValidUser):
"""Allows access only to app user """
def has_permission(self, request, view):
return super(IsAppUser, self).has_permission(request, view) \
and request.user.is_app
class IsAuditor(IsValidUser):
def has_permission(self, request, view):
return super(IsAuditor, self).has_permission(request, view) \
and request.user.is_auditor
class IsSuperUser(IsValidUser):
def has_permission(self, request, view):
return super(IsSuperUser, self).has_permission(request, view) \
and request.user.is_superuser
class IsSuperUserOrAppUser(IsSuperUser):
def has_permission(self, request, view):
return super(IsSuperUserOrAppUser, self).has_permission(request, view) \
or request.user.is_app
class IsOrgAdmin(IsValidUser):
"""Allows access only to superuser"""
def has_permission(self, request, view):
return super(IsOrgAdmin, self).has_permission(request, view) \
and current_org.can_admin_by(request.user)
class IsOrgAdminOrAppUser(IsValidUser):
"""Allows access between superuser and app user"""
def has_permission(self, request, view):
return super(IsOrgAdminOrAppUser, self).has_permission(request, view) \
and (current_org.can_admin_by(request.user) or request.user.is_app)
class IsOrgAdminOrAppUserOrUserReadonly(IsOrgAdminOrAppUser):
def has_permission(self, request, view):
if IsValidUser.has_permission(self, request, view) \
and request.method in permissions.SAFE_METHODS:
return True
else:
return IsOrgAdminOrAppUser.has_permission(self, request, view)
class IsCurrentUserOrReadOnly(permissions.BasePermission):
def has_object_permission(self, request, view, obj):
if request.method in permissions.SAFE_METHODS:
return True
return obj == request.user
class LoginRequiredMixin(UserPassesTestMixin):
def test_func(self):
if self.request.user.is_authenticated:
return True
else:
return False
class AdminUserRequiredMixin(UserPassesTestMixin):
def test_func(self):
if not self.request.user.is_authenticated:
return False
elif not current_org.can_admin_by(self.request.user):
self.raise_exception = True
return False
return True
def dispatch(self, request, *args, **kwargs):
if not request.user.is_authenticated:
return super().dispatch(request, *args, **kwargs)
if not current_org:
return redirect('orgs:switch-a-org')
if not current_org.can_admin_by(request.user):
if request.user.is_org_admin:
return redirect('orgs:switch-a-org')
return HttpResponseForbidden()
return super().dispatch(request, *args, **kwargs)
class SuperUserRequiredMixin(UserPassesTestMixin):
def test_func(self):
if self.request.user.is_authenticated and self.request.user.is_superuser:
return True
class WithBootstrapToken(permissions.BasePermission):
def has_permission(self, request, view):
authorization = request.META.get('HTTP_AUTHORIZATION', '')
if not authorization:
return False
request_bootstrap_token = authorization.split()[-1]
return settings.BOOTSTRAP_TOKEN == request_bootstrap_token
class PermissionsMixin(UserPassesTestMixin):
permission_classes = []
def test_func(self):
permission_classes = self.permission_classes
for permission_class in permission_classes:
if not permission_class().has_permission(self.request, self):
return False
return True