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