refactor(server): config system (#11081)

packages/backend/server/src/plugins/worker/service.ts

@@ -0,0 +1,31 @@
+import { Injectable } from '@nestjs/common';
+
+import { Config, OnEvent, URLHelper } from '../../base';
+import { fixUrl, OriginRules } from './utils';
+
+@Injectable()
+export class WorkerService {
+  allowedOrigins: OriginRules = [this.url.origin];
+
+  constructor(
+    private readonly config: Config,
+    private readonly url: URLHelper
+  ) {}
+
+  @OnEvent('config.init')
+  onConfigInit() {
+    this.allowedOrigins = [
+      ...this.config.worker.allowedOrigin
+        .map(u => fixUrl(u)?.origin as string)
+        .filter(v => !!v),
+      this.url.origin,
+    ];
+  }
+
+  @OnEvent('config.changed')
+  onConfigChanged(event: Events['config.changed']) {
+    if ('worker' in event.updates) {
+      this.onConfigInit();
+    }
+  }
+}