sources/oauth: add choices to oauth provider_type

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

authentik/sources/oauth/api/source.py

@@ -3,7 +3,7 @@ from django.urls.base import reverse_lazy
 from drf_spectacular.types import OpenApiTypes
 from drf_spectacular.utils import OpenApiParameter, extend_schema, extend_schema_field
 from rest_framework.decorators import action
-from rest_framework.fields import BooleanField, CharField, SerializerMethodField
+from rest_framework.fields import BooleanField, CharField, ChoiceField, SerializerMethodField
 from rest_framework.request import Request
 from rest_framework.response import Response
 from rest_framework.serializers import ValidationError
@@ -31,6 +31,7 @@ class SourceTypeSerializer(PassiveSerializer):
 class OAuthSourceSerializer(SourceSerializer):
     """OAuth Source Serializer"""
 
+    provider_type = ChoiceField(choices=MANAGER.get_name_tuple())
     callback_url = SerializerMethodField()
 
     def get_callback_url(self, instance: OAuthSource) -> str:

schema.yml

@@ -22668,8 +22668,7 @@ components:
           description: How the source determines if an existing user should be authenticated
             or a new user enrolled.
         provider_type:
-          type: string
-          maxLength: 255
+          $ref: '#/components/schemas/ProviderTypeEnum'
         request_token_url:
           type: string
           nullable: true
@@ -22743,8 +22742,7 @@ components:
           description: How the source determines if an existing user should be authenticated
             or a new user enrolled.
         provider_type:
-          type: string
-          maxLength: 255
+          $ref: '#/components/schemas/ProviderTypeEnum'
         request_token_url:
           type: string
           nullable: true
@@ -26806,8 +26804,7 @@ components:
           description: How the source determines if an existing user should be authenticated
             or a new user enrolled.
         provider_type:
-          type: string
-          maxLength: 255
+          $ref: '#/components/schemas/ProviderTypeEnum'
         request_token_url:
           type: string
           nullable: true
@@ -28209,6 +28206,18 @@ components:
       required:
       - authorization_flow
       - name
+    ProviderTypeEnum:
+      enum:
+      - apple
+      - azuread
+      - discord
+      - facebook
+      - github
+      - google
+      - openidconnect
+      - reddit
+      - twitter
+      type: string
     ProxyMode:
       enum:
       - proxy