Files
GMW/services/backend/src/http/app.ts
T

101 lines
3.0 KiB
TypeScript

import { onError } from "@orpc/server";
import { RPCHandler } from "@orpc/server/node";
import express, {
type Express,
type NextFunction,
type Request,
type Response,
} from "express";
import helmet from "helmet";
import { createChildLogger } from "@/shared/logger/index";
import { createHealthRouter } from "../modules/health/index.js";
import { appRouter } from "../orpc/router";
import { errorHandler } from "../shared/middlewares/index.js";
// Auth removed — dashboard is public.
// All data APIs (dashboard, messages, moderation, media, voice, recordings,
// analysis, chatbot, config, ui-state) now flow over oRPC, served on TWO
// transports sharing the /trpc path:
// - WebSocket (browser live RPCs) — see orpc/ws.ts
// - HTTP POST (server-side / RSC fetch) — handled below
// Only infra endpoints (health, prometheus metrics) remain plain HTTP.
const logger = createChildLogger("http.app");
export function createHttpApp(): Express {
const app = express();
// Security middleware
app.use(
helmet({
contentSecurityPolicy: false,
}),
);
// Body parsing (still needed for any JSON POST; oRPC is WS/HTTP-based)
app.use(express.json());
app.use(express.urlencoded({ extended: true }));
// Request logging
app.use((req: Request, res: Response, next: NextFunction) => {
if (req.path.startsWith("/api/")) {
res.set("Cache-Control", "no-store");
}
res.on("finish", () => {
if (req.originalUrl.startsWith("/.well-known/")) return;
if (req.originalUrl === "/favicon.ico") return;
if (res.statusCode >= 400) {
logger.warn(
{
method: req.method,
url: req.originalUrl,
statusCode: res.statusCode,
},
"HTTP request failed",
);
}
});
next();
});
// Infra-only HTTP endpoints
app.use("/api", createHealthRouter());
// oRPC over HTTP (server-side / RSC fetch). The same appRouter the browser
// reaches over the /trpc WebSocket. oRPC's node RPCHandler writes the full
// response itself; if no procedure matched we fall through to the 404 below.
const orpcHandler = new RPCHandler(appRouter, {
interceptors: [onError((error) => logger.error({ error }, "oRPC error"))],
});
app.use((req: Request, res: Response, next: NextFunction) => {
if (!req.path.startsWith("/trpc")) {
next();
return;
}
orpcHandler
.handle(req, res, { prefix: "/trpc", context: {} })
.then(({ matched }) => {
if (!matched) next();
})
.catch((err: unknown) => {
logger.error({ err }, "oRPC HTTP handler failed");
if (!res.headersSent) res.status(500).json({ error: "INTERNAL" });
});
});
// 404 handler
app.use((_req: Request, res: Response) => {
res.status(404).json({
error: "NOT_FOUND",
message:
"Endpoint not found — data APIs are served over /trpc (WebSocket/HTTP)",
});
});
// Error handler (must be last)
app.use(errorHandler);
return app;
}