Refactor VPN proxy client implementation

src/server/http/routes/routeRulesRoute.ts

@@ -0,0 +1,21 @@
+import type { IncomingMessage, ServerResponse } from 'node:http';
+
+import type { RouteRulesService } from '../../features/routing/index.js';
+
+interface RouteRulesRouteDependencies {
+  routeRules: RouteRulesService;
+  readBody(req: IncomingMessage): Promise<Record<string, unknown>>;
+  sendState(res: ServerResponse): Promise<void>;
+}
+
+export function createRouteRulesRoute(dependencies: RouteRulesRouteDependencies) {
+  return {
+    async handle(req: IncomingMessage, res: ServerResponse) {
+      if (req.method !== 'PUT' || req.url !== '/api/route-rules') return false;
+      const { rules, expectedRulesRevision, expectedRevision } = await dependencies.readBody(req);
+      await dependencies.routeRules.update(rules, expectedRulesRevision, expectedRevision);
+      await dependencies.sendState(res);
+      return true;
+    },
+  };
+}