38 lines
1 KiB
TypeScript
38 lines
1 KiB
TypeScript
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import * as EventEmitter from 'events';
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import * as express from 'express';
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import * as crypto from 'crypto';
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//import User from '../../models/user';
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import config from '../../../conf';
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/*import BotCore from '../core';
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const sessions: {
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userId: string;
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session: BotCore;
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}[] = [];
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*/
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module.exports = async (app: express.Application) => {
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if (config.line_bot == null) return;
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const handler = new EventEmitter();
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app.post('/hooks/line', (req, res, next) => {
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// req.headers['X-Line-Signature'] は常に string ですが、型定義の都合上
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// string | string[] になっているので string を明示しています
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const sig1 = req.headers['X-Line-Signature'] as string;
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const hash = crypto.createHmac('sha256', config.line_bot.channel_secret)
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.update(JSON.stringify(req.body));
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const sig2 = hash.digest('base64');
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// シグネチャ比較
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if (sig1 === sig2) {
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console.log(req.body);
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handler.emit(req.body.type);
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res.sendStatus(200);
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} else {
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res.sendStatus(400);
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}
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});
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};
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