0
0
mirror of https://github.com/PostHog/posthog.git synced 2024-11-24 18:07:17 +01:00
posthog/ee/api/hooks.py
Guido Iaquinti c0327835c7
fix(hooks): validate domain name (#9146)
* fix(hooks): validate domain name

* Add test

* mypy

* Fixes after CR

* Remove redundant `bool()`

Co-authored-by: Michael Matloka <dev@twixes.com>
2022-03-22 11:09:12 +01:00

49 lines
1.6 KiB
Python

from typing import cast
from urllib.parse import urlparse
from django.conf import settings
from rest_framework import exceptions, serializers, viewsets
from rest_framework.permissions import IsAuthenticated
from ee.models.hook import Hook
from posthog.api.routing import StructuredViewSetMixin
from posthog.models.user import User
from posthog.permissions import OrganizationMemberPermissions, TeamMemberAccessPermission
class HookSerializer(serializers.ModelSerializer):
class Meta:
model = Hook
fields = ("id", "created", "updated", "event", "target", "resource_id", "team")
read_only_fields = ("team",)
def validate_event(self, event):
if event not in settings.HOOK_EVENTS:
raise exceptions.ValidationError(detail=f"Unexpected event {event}")
return event
def validate_target(self, target):
if not valid_domain(target):
raise exceptions.ValidationError(detail=f"'hooks.zapier.com' is the only allowed target domain")
return target
class HookViewSet(StructuredViewSetMixin, viewsets.ModelViewSet):
"""
Retrieve, create, update or destroy REST hooks.
"""
queryset = Hook.objects.all()
ordering = "-created_at"
permission_classes = [IsAuthenticated, OrganizationMemberPermissions, TeamMemberAccessPermission]
serializer_class = HookSerializer
def perform_create(self, serializer):
user = cast(User, self.request.user)
serializer.save(user=user, team_id=self.team_id)
def valid_domain(url) -> bool:
target_domain = urlparse(url).netloc
return target_domain == "hooks.zapier.com"