Expose devtools plugin permissions through the metadata endpoint

Signed-off-by: Brian Phillips <28457+brianphillips@users.noreply.github.com>

.changeset/fast-zebras-watch.md

@@ -0,0 +1,6 @@
+---
+'@backstage/plugin-devtools-backend': patch
+'@backstage/plugin-devtools-common': patch
+---
+
+Expose permissions through the metadata endpoint.

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

@@ -21,6 +21,7 @@ import {
   devToolsConfigReadPermission,
   devToolsExternalDependenciesReadPermission,
   devToolsInfoReadPermission,
+  devToolsPermissions,
 } from '@backstage/plugin-devtools-common';
 
 import { Config } from '@backstage/config';
@@ -31,6 +32,7 @@ import Router from 'express-promise-router';
 import { errorHandler } from '@backstage/backend-common';
 import express from 'express';
 import { getBearerTokenFromAuthorizationHeader } from '@backstage/plugin-auth-node';
+import { createPermissionIntegrationRouter } from '@backstage/plugin-permission-node';
 
 /** @public */
 export interface RouterOptions {
@@ -51,6 +53,11 @@ export async function createRouter(
 
   const router = Router();
   router.use(express.json());
+  router.use(
+    createPermissionIntegrationRouter({
+      permissions: devToolsPermissions,
+    }),
+  );
 
   router.get('/health', (_req, res) => {
     res.status(200).json({ status: 'ok' });

plugins/devtools-common/src/permissions.ts

@@ -47,3 +47,15 @@ export const devToolsExternalDependenciesReadPermission = createPermission({
   name: 'devtools.external-dependencies',
   attributes: { action: 'read' },
 });
+
+/**
+ * List of all Devtools permissions
+ *
+ * @public
+ */
+export const devToolsPermissions = [
+  devToolsAdministerPermission,
+  devToolsInfoReadPermission,
+  devToolsConfigReadPermission,
+  devToolsExternalDependenciesReadPermission,
+];