Use request options

plugins/scaffolder-backend/src/lib/catalog/CatalogEntityClient.ts

@@ -21,6 +21,7 @@ import {
   NotFoundError,
   PluginEndpointDiscovery,
 } from '@backstage/backend-common';
+import { CatalogEntityRequestOptions } from './types';
 
 /**
  * A catalog client tailored for reading out entity data from the catalog.
@@ -40,9 +41,10 @@ export class CatalogEntityClient {
    * Throws a NotFoundError or ConflictError if 0 or multiple templates are found.
    */
   async findTemplate(
-    token: string | undefined,
     templateName: string,
+    options?: CatalogEntityRequestOptions,
   ): Promise<TemplateEntityV1alpha1> {
+    const token = options?.token;
     const { items: templates } = (await this.catalogClient.getEntities(
       {
         filter: {

plugins/scaffolder-backend/src/lib/catalog/types.ts

@@ -0,0 +1,32 @@
+/*
+ * Copyright 2021 Spotify AB
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/*
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+export type CatalogEntityRequestOptions = {
+  token: string | undefined;
+};

plugins/scaffolder-backend/src/service/router.ts

@@ -104,10 +104,9 @@ export async function createRouter(
 
       // Forward authorization from client
       const user = req.user as BackstageIdentity;
-      const template = await entityClient.findTemplate(
-        user?.idToken,
-        templateName,
-      );
+      const template = await entityClient.findTemplate(templateName, {
+        token: user?.idToken,
+      });
 
       const validationResult: ValidatorResult = validate(
         values,