core: add providers/types endpoint

authentik/core/api/providers.py

@@ -1,10 +1,21 @@
 """Provider API Views"""
+from django.shortcuts import reverse
+from django.utils.translation import gettext_lazy as _
+from drf_yasg2.utils import swagger_auto_schema
+from rest_framework.decorators import action
 from rest_framework.fields import ReadOnlyField
-from rest_framework.serializers import ModelSerializer, SerializerMethodField
+from rest_framework.request import Request
+from rest_framework.response import Response
+from rest_framework.serializers import (
+    ModelSerializer,
+    SerializerMethodField,
+)
 from rest_framework.viewsets import ModelViewSet
 
-from authentik.core.api.utils import MetaNameSerializer
+from authentik.core.api.utils import MetaNameSerializer, TypeCreateSerializer
 from authentik.core.models import Provider
+from authentik.lib.templatetags.authentik_utils import verbose_name
+from authentik.lib.utils.reflection import all_subclasses
 
 
 class ProviderSerializer(ModelSerializer, MetaNameSerializer):
@@ -51,3 +62,27 @@ class ProviderViewSet(ModelViewSet):
 
     def get_queryset(self):
         return Provider.objects.select_subclasses()
+
+    @swagger_auto_schema(responses={200: TypeCreateSerializer(many=True)})
+    @action(detail=False)
+    # pylint: disable=unused-argument
+    def types(self, request: Request) -> Response:
+        """Get all creatable provider types"""
+        data = []
+        for subclass in all_subclasses(self.queryset.model):
+            data.append(
+                {
+                    "name": verbose_name(subclass),
+                    "description": subclass.__doc__,
+                    "link": reverse("authentik_admin:provider-create")
+                    + f"?type={subclass.__name__}",
+                }
+            )
+        data.append(
+            {
+                "name": _("SAML Provider from Metadata"),
+                "description": _("Create a SAML Provider by importing its Metadata."),
+                "link": reverse("authentik_admin:provider-saml-from-metadata"),
+            }
+        )
+        return Response(TypeCreateSerializer(data, many=True).data)

authentik/core/api/utils.py

@@ -1,5 +1,6 @@
 """API Utilities"""
 from django.db.models import Model
+from rest_framework.fields import CharField
 from rest_framework.serializers import Serializer, SerializerMethodField
 
 
@@ -22,3 +23,11 @@ class MetaNameSerializer(Serializer):
     def get_verbose_name_plural(self, obj: Model) -> str:
         """Return object's plural verbose_name"""
         return obj._meta.verbose_name_plural
+
+
+class TypeCreateSerializer(Serializer):
+    """Types of an object that can be created"""
+
+    name = CharField(read_only=True)
+    description = CharField(read_only=True)
+    link = CharField(read_only=True)

swagger.yaml

@@ -4312,6 +4312,47 @@ paths:
       tags:
         - providers
     parameters: []
+  /providers/all/types/:
+    get:
+      operationId: providers_all_types
+      description: Get all creatable provider types
+      parameters:
+        - name: application__isnull
+          in: query
+          description: ''
+          required: false
+          type: string
+        - name: ordering
+          in: query
+          description: Which field to use when ordering the results.
+          required: false
+          type: string
+        - name: search
+          in: query
+          description: A search term.
+          required: false
+          type: string
+        - name: page
+          in: query
+          description: A page number within the paginated result set.
+          required: false
+          type: integer
+        - name: page_size
+          in: query
+          description: Number of results to return per page.
+          required: false
+          type: integer
+      responses:
+        '200':
+          description: ''
+          schema:
+            description: ''
+            type: array
+            items:
+              $ref: '#/definitions/TypeCreate'
+      tags:
+        - providers
+    parameters: []
   /providers/all/{id}/:
     get:
       operationId: providers_all_read
@@ -9005,6 +9046,25 @@ definitions:
         title: Verbose name plural
         type: string
         readOnly: true
+  TypeCreate:
+    description: ''
+    type: object
+    properties:
+      name:
+        title: Name
+        type: string
+        readOnly: true
+        minLength: 1
+      description:
+        title: Description
+        type: string
+        readOnly: true
+        minLength: 1
+      link:
+        title: Link
+        type: string
+        readOnly: true
+        minLength: 1
   OAuth2Provider:
     description: OAuth2Provider Serializer
     required:

web/src/api/Providers.ts

@@ -1,5 +1,11 @@
 import { BaseInheritanceModel, DefaultClient, AKResponse, QueryArguments } from "./Client";
 
+export interface TypeCreate {
+    name: string;
+    description: string;
+    link: string;
+}
+
 export class Provider implements BaseInheritanceModel {
     pk: number;
     name: string;
@@ -24,6 +30,10 @@ export class Provider implements BaseInheritanceModel {
         return DefaultClient.fetch<AKResponse<Provider>>(["providers", "all"], filter);
     }
 
+    static getTypes(): Promise<TypeCreate[]> {
+        return DefaultClient.fetch<TypeCreate[]>(["providers", "all", "types"]);
+    }
+
     static adminUrl(rest: string): string {
         return `/administration/providers/${rest}`;
     }

web/src/pages/providers/ProviderListPage.ts

@@ -8,6 +8,7 @@ import "../../elements/buttons/ModalButton";
 import "../../elements/buttons/SpinnerButton";
 import "../../elements/buttons/Dropdown";
 import { TableColumn } from "../../elements/table/Table";
+import { until } from "lit-html/directives/until";
 
 @customElement("ak-provider-list")
 export class ProviderListPage extends TablePage<Provider> {
@@ -81,46 +82,18 @@ export class ProviderListPage extends TablePage<Provider> {
                 <i class="fas fa-caret-down pf-c-dropdown__toggle-icon" aria-hidden="true"></i>
             </button>
             <ul class="pf-c-dropdown__menu" hidden>
-                <li>
-                    <ak-modal-button href="${Provider.adminUrl("/create/?type=OAuth2Provider")}">
-                        <button slot="trigger" class="pf-c-dropdown__menu-item">${gettext("OAuth2/OpenID Provider")}<br>
-                            <small>
-                                ${gettext("OAuth2 Provider for generic OAuth and OpenID Connect Applications.")}
-                            </small>
-                        </button>
-                        <div slot="modal"></div>
-                    </ak-modal-button>
-                </li>
-                <li>
-                    <ak-modal-button href="${Provider.adminUrl("/create/?type=ProxyProvider")}">
-                        <button slot="trigger" class="pf-c-dropdown__menu-item">${gettext("Proxy Provider")}<br>
-                            <small>
-                                ${gettext("Protect applications that don't support any of the other Protocols by using a Reverse-Proxy.")}
-                            </small>
-                        </button>
-                        <div slot="modal"></div>
-                    </ak-modal-button>
-                </li>
-                <li>
-                    <ak-modal-button href="${Provider.adminUrl("/create/?type=SAMLProvider")}">
-                        <button slot="trigger" class="pf-c-dropdown__menu-item">${gettext("SAML Provider")}<br>
-                            <small>
-                                ${gettext("SAML 2.0 Endpoint for applications which support SAML.")}
-                            </small>
-                        </button>
-                        <div slot="modal"></div>
-                    </ak-modal-button>
-                </li>
-                <li>
-                    <ak-modal-button href="${Provider.adminUrl("/create/saml/from-metadata/")}">
-                        <button slot="trigger" class="pf-c-dropdown__menu-item">${gettext("SAML Provider from Metadata")}<br>
-                            <small>
-                                ${gettext("Create a SAML Provider by importing its Metadata.")}
-                            </small>
-                        </button>
-                        <div slot="modal"></div>
-                    </ak-modal-button>
-                </li>
+                ${until(Provider.getTypes().then((types) => {
+                    return types.map((type) => {
+                        return html`<li>
+                            <ak-modal-button href="${type.link}">
+                                <button slot="trigger" class="pf-c-dropdown__menu-item">${type.name}<br>
+                                    <small>${type.description}</small>
+                                </button>
+                                <div slot="modal"></div>
+                            </ak-modal-button>
+                        </li>`;
+                    })
+                }), html`<ak-spinner></ak-spinner>`)}
             </ul>
         </ak-dropdown>
         ${super.renderToolbar()}`;