Files
cfw-autumn/server/src/initHono.ts

148 lines
4.0 KiB
TypeScript

import { getRequestListener } from "@hono/node-server";
import { Hono } from "hono";
import { cors } from "hono/cors";
import { vercelWebhookRouter } from "./external/vercel/vercelWebhookRouter.js";
import { handleConnectWebhook } from "./external/webhooks/connectWebhookRouter.js";
import { baseMiddleware } from "./honoMiddlewares/baseMiddleware.js";
import { errorMiddleware } from "./honoMiddlewares/errorMiddleware.js";
import { traceMiddleware } from "./honoMiddlewares/traceMiddleware.js";
import type { HonoEnv } from "./honoUtils/HonoEnv.js";
import { handleHealthCheck } from "./honoUtils/handleHealthCheck.js";
import { handleOAuthCallback } from "./internal/orgs/handlers/stripeHandlers/handleOAuthCallback.js";
import { apiRouter } from "./routers/apiRouter.js";
import { internalRouter } from "./routers/internalRouter.js";
import { auth } from "./utils/auth.js";
const ALLOWED_ORIGINS = [
"http://localhost:3000",
"http://localhost:5173",
"http://localhost:5174",
"https://app.useautumn.com",
"https://staging.useautumn.com",
"https://api.staging.useautumn.com",
"https://localhost:8080",
];
const ALLOWED_HEADERS = [
"app_env",
"x-api-version",
"x-client-type",
"Authorization",
"Content-Type",
"Accept",
"Origin",
"X-API-Version",
"X-Requested-With",
"Access-Control-Request-Method",
"Access-Control-Request-Headers",
"Cache-Control",
"If-Match",
"If-None-Match",
"If-Modified-Since",
"If-Unmodified-Since",
];
export const createHonoApp = () => {
const app = new Hono<HonoEnv>();
// CORS configuration (must be before routes)
app.use(
"*",
cors({
origin: ALLOWED_ORIGINS,
allowHeaders: ALLOWED_HEADERS,
allowMethods: ["POST", "GET", "PUT", "DELETE", "PATCH", "OPTIONS"],
exposeHeaders: ["Content-Length"],
maxAge: 600,
credentials: true,
}),
);
// Better Auth handler
app.on(["POST", "GET"], "/api/auth/*", (c) => {
return auth.handler(c.req.raw);
});
// OAuth callback (needs to be before middleware)
// Health check endpoint for AWS/ECS load balancer
app.get("/stripe/oauth_callback", handleOAuthCallback);
// Step 1: Base middleware - sets up ctx (db, logger, etc.)
app.use("*", baseMiddleware);
app.use("*", traceMiddleware);
app.get("/", handleHealthCheck);
// Add Render region identifier header for load balancer verification
app.use("*", async (c, next) => {
await next();
c.header("x-region", process.env.AWS_REGION);
});
// Webhook routes
app.post("/webhooks/connect/:env", handleConnectWebhook);
app.route("/webhooks/vercel", vercelWebhookRouter);
// API Middleware
app.route("/v1", apiRouter);
app.route("", internalRouter);
app.onError(errorMiddleware);
// Create request listener for integration with Express
const requestListener = getRequestListener(app.fetch);
return { honoApp: app, requestListener };
};
/**
* Smart middleware that checks if Hono has a matching route.
* If yes: forwards the request to Hono (fresh, unmodified)
* If no: calls next() to continue Express flow (untouched)
*/
export const redirectToHono = () => {
const { honoApp, requestListener } = createHonoApp();
// Get all routes from Hono app
const routes = honoApp.routes;
return async (req: any, res: any, next: any) => {
const method = req.method;
const path = req.path;
// Check if Hono has a matching route for this method + path
const hasMatch = routes.some((route) => {
// Check if method matches
if (route.method !== method && route.method !== "ALL") {
return false;
}
// Check if path matches (handle dynamic routes)
const routePath = route.path;
// Exact match
if (routePath === path) {
return true;
}
// Check for dynamic routes (e.g., /v1/products/:id)
if (routePath.includes(":")) {
const routeRegex = new RegExp(
`^${routePath.replace(/:[^/]+/g, "([^/]+)")}$`,
);
return routeRegex.test(path);
}
return false;
});
if (hasMatch) {
// Route exists in Hono - forward the FRESH request
return requestListener(req, res);
}
// No match - continue to Express (completely untouched)
next();
};
};