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https://github.com/tiennm99/store-scraper-bot.git
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tiennm99
b2082c4601
Vercel `nodejs` runtime passes IncomingMessage/ServerResponse with shouldAddHelpers=true (auto-parsed JSON body, .status/.send helpers), not the Web Standards Request/Response. Calling `req.headers.get(...)` on the classic IncomingMessage threw `TypeError: req.headers.get is not a function` and crashed every webhook + cron invocation with 500. Switch both handlers to (req, res) signature, read headers as plain object (lowercased keys), use req.body for parsed JSON, and respond via res.status().send(). Caught during Phase 6 smoke test of the first prod deploy.
51 lines
1.6 KiB
JavaScript
51 lines
1.6 KiB
JavaScript
// Telegram webhook entry. Vercel serverless function (classic Node runtime).
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// Validates the X-Telegram-Bot-Api-Secret-Token header, acks fast, then
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// dispatches in waitUntil so Telegram doesn't retry on slow downstream calls.
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//
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// Vercel's `nodejs` runtime passes IncomingMessage/ServerResponse with
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// `shouldAddHelpers: true` (so req.body is auto-parsed JSON and res has
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// .status/.send helpers). req.headers is a plain object — header keys are
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// lowercased.
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import { waitUntil } from '@vercel/functions';
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import { buildApp } from '../src/app-builder.js';
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import { dispatch } from '../src/bot/dispatch.js';
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export const config = { runtime: 'nodejs' };
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export default async function handler(req, res) {
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if (req.method !== 'POST') {
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return res.status(404).send('Not found');
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}
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let app;
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try {
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app = buildApp(process.env);
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} catch (err) {
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console.log(JSON.stringify({ level: 'error', msg: 'config error', err: err.message }));
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return res.status(500).send('Server misconfigured');
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}
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const secret = req.headers['x-telegram-bot-api-secret-token'];
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if (secret !== app.config.telegramWebhookSecret) {
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return res.status(401).send('Unauthorized');
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}
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// req.body is auto-parsed by Vercel helpers when Content-Type is JSON.
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// Falsy / non-object guards mirror the prior CF handler.
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const update = req.body;
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if (!update || typeof update !== 'object' || !update.message) {
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return res.status(200).send('OK');
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}
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waitUntil(
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dispatch(update.message, {
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sender: app.sender,
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commands: app.commands,
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config: app.config,
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logger: app.config.logger,
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}),
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);
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return res.status(200).send('OK');
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}
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