feat: allow custom cors origin header (#6772)

src/Options/Definitions.js

@@ -28,6 +28,10 @@ module.exports.ParseServerOptions = {
     help: 'Add headers to Access-Control-Allow-Headers',
     action: parsers.arrayParser,
   },
+  allowOrigin: {
+    env: 'PARSE_SERVER_ALLOW_ORIGIN',
+    help: 'Sets the origin to Access-Control-Allow-Origin',
+  },
   analyticsAdapter: {
     env: 'PARSE_SERVER_ANALYTICS_ADAPTER',
     help: 'Adapter module for the analytics',

src/Options/docs.js

@@ -4,6 +4,7 @@
  * @property {Boolean} allowClientClassCreation Enable (or disable) client class creation, defaults to true
  * @property {Boolean} allowCustomObjectId Enable (or disable) custom objectId
  * @property {String[]} allowHeaders Add headers to Access-Control-Allow-Headers
+ * @property {String} allowOrigin Sets the origin to Access-Control-Allow-Origin
  * @property {Adapter<AnalyticsAdapter>} analyticsAdapter Adapter module for the analytics
  * @property {String} appId Your Parse Application ID
  * @property {String} appName Sets the app name

src/Options/index.js

@@ -29,6 +29,8 @@ export interface ParseServerOptions {
   appName: ?string;
   /* Add headers to Access-Control-Allow-Headers */
   allowHeaders: ?(string[]);
+  /* Sets the origin to Access-Control-Allow-Origin */
+  allowOrigin: ?string;
   /* Adapter module for the analytics */
   analyticsAdapter: ?Adapter<AnalyticsAdapter>;
   /* Adapter module for the files sub-system */