Add api_scope target for IAM policy

app/controllers/api/v1/Reflect.controller.js

@@ -130,7 +130,7 @@ class ReflectController extends Controller {
         return res.api()
     }
 
-    async get_scopes(req, res, next) {
+    api_scopes() {
         const routers = this.routers.canonical_items
         const scopes = []
 
@@ -158,6 +158,11 @@ class ReflectController extends Controller {
         }
 
         scopes.sort()
+        return scopes
+    }
+
+    async get_scopes(req, res, next) {
+        const scopes = this.api_scopes()
         return res.api(scopes.map(x => {
             return { scope: x }
         }))