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authentik/authentik/core/api/tokens.py
Jens Langhammer 2303a97bb9 core: add method to set key of token
Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

#2574
2022-04-11 20:43:39 +02:00

150 lines
5.3 KiB
Python

"""Tokens API Viewset"""
from typing import Any
from django_filters.rest_framework import DjangoFilterBackend
from drf_spectacular.utils import OpenApiResponse, extend_schema, inline_serializer
from guardian.shortcuts import assign_perm, get_anonymous_user
from rest_framework.decorators import action
from rest_framework.exceptions import ValidationError
from rest_framework.fields import CharField
from rest_framework.filters import OrderingFilter, SearchFilter
from rest_framework.request import Request
from rest_framework.response import Response
from rest_framework.serializers import ModelSerializer
from rest_framework.viewsets import ModelViewSet
from authentik.api.authorization import OwnerSuperuserPermissions
from authentik.api.decorators import permission_required
from authentik.core.api.used_by import UsedByMixin
from authentik.core.api.users import UserSerializer
from authentik.core.api.utils import PassiveSerializer
from authentik.core.models import USER_ATTRIBUTE_TOKEN_EXPIRING, Token, TokenIntents
from authentik.events.models import Event, EventAction
from authentik.events.utils import model_to_dict
from authentik.managed.api import ManagedSerializer
class TokenSerializer(ManagedSerializer, ModelSerializer):
"""Token Serializer"""
user_obj = UserSerializer(required=False, source="user", read_only=True)
def validate(self, attrs: dict[Any, str]) -> dict[Any, str]:
"""Ensure only API or App password tokens are created."""
request: Request = self.context["request"]
attrs.setdefault("user", request.user)
attrs.setdefault("intent", TokenIntents.INTENT_API)
if attrs.get("intent") not in [TokenIntents.INTENT_API, TokenIntents.INTENT_APP_PASSWORD]:
raise ValidationError(f"Invalid intent {attrs.get('intent')}")
return attrs
class Meta:
model = Token
fields = [
"pk",
"managed",
"identifier",
"intent",
"user",
"user_obj",
"description",
"expires",
"expiring",
]
extra_kwargs = {
"user": {"required": False},
}
class TokenViewSerializer(PassiveSerializer):
"""Show token's current key"""
key = CharField(read_only=True)
class TokenViewSet(UsedByMixin, ModelViewSet):
"""Token Viewset"""
lookup_field = "identifier"
queryset = Token.objects.all()
serializer_class = TokenSerializer
search_fields = [
"identifier",
"intent",
"user__username",
"description",
]
filterset_fields = [
"identifier",
"intent",
"user__username",
"description",
"expires",
"expiring",
"managed",
]
ordering = ["identifier", "expires"]
permission_classes = [OwnerSuperuserPermissions]
filter_backends = [DjangoFilterBackend, OrderingFilter, SearchFilter]
def get_queryset(self):
user = self.request.user if self.request else get_anonymous_user()
if user.is_superuser:
return super().get_queryset()
return super().get_queryset().filter(user=user.pk)
def perform_create(self, serializer: TokenSerializer):
if not self.request.user.is_superuser:
instance = serializer.save(
user=self.request.user,
expiring=self.request.user.attributes.get(USER_ATTRIBUTE_TOKEN_EXPIRING, True),
)
assign_perm("authentik_core.view_token_key", self.request.user, instance)
return instance
return super().perform_create(serializer)
@permission_required("authentik_core.view_token_key")
@extend_schema(
responses={
200: TokenViewSerializer(many=False),
404: OpenApiResponse(description="Token not found or expired"),
}
)
@action(detail=True, pagination_class=None, filter_backends=[], methods=["GET"])
# pylint: disable=unused-argument
def view_key(self, request: Request, identifier: str) -> Response:
"""Return token key and log access"""
token: Token = self.get_object()
Event.new(EventAction.SECRET_VIEW, secret=token).from_http(request) # noqa # nosec
return Response(TokenViewSerializer({"key": token.key}).data)
@permission_required("authentik_core.set_token_key")
@extend_schema(
request=inline_serializer(
"TokenSetKey",
{
"key": CharField(),
},
),
responses={
204: OpenApiResponse(description="Successfully changed key"),
400: OpenApiResponse(description="Missing key"),
404: OpenApiResponse(description="Token not found or expired"),
},
)
@action(detail=True, pagination_class=None, filter_backends=[], methods=["POST"])
# pylint: disable=unused-argument
def set_key(self, request: Request, identifier: str) -> Response:
"""Return token key and log access"""
token: Token = self.get_object()
key = request.POST.get("key")
if not key:
return Response(status=400)
token.key = key
token.save()
Event.new(EventAction.MODEL_UPDATED, model=model_to_dict(token)).from_http(
request
) # noqa # nosec
return Response(status=204)