質問編集履歴
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認証情報が記入されていた為修正
test
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test
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@@ -1,161 +1,81 @@
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[techiediaries様のIonic 4のログイン処理の記事](https://www.techiediaries.com/ionic-jwt-authentication-httpclient/)を参考にしながらIonic 4のログイン処理を設定していたのですが、Express.jsの認証サーバーでMySQLの設定中に以下のエラーが発生しました。
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自分ではエラーの原因が分からなかったので、お手数ですがご助言を頂けると助かります。
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```index.js
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"use strict";
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const express = require('express');
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const bodyParser = require('body-parser');
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const cors = require('cors')
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const mysql = require('mysql');
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const connection = mysql.createConnection({
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host: '
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host: 'XXX.XXX.XXX.XXX',
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port: 3306,
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user: '
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user: '',
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password: '
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password: '',
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database: 'eccube_db_2'
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});
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const jwt = require('jsonwebtoken');
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const bcrypt = require('bcryptjs');
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const crypto = require("crypto");
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const SECRET_KEY = "secretkey23456";
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const app = express();
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const router = express.Router();
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app.use(cors())
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connection.connect()
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router.use(bodyParser.urlencoded({ extended: false }));
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router.use(bodyParser.json());
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}
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const findUserByEmail = connection.query('SELECT * FROM 'dtb_customer' WHERE 'email' = ?', [email], function (err, row, fields) {
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});
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router.get('/', (req, res) => {
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res.status(200).send('This is an authentication server');
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});
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router.post('/login', (req, res) => {
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const email = req.body.email;
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const default_password = req.body.password;
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const hmac = crypto.createHmac('sha256', 'NFXwzxb5o9hfELny04AaoY0SgLRHrJlc');
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hmac.update(default_password . ':' . req.body.hash)
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findUserByEmail(email, (err, user)=>{
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if (err) return res.status(500).send('Server error!');
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if (!user) return res.status(404).send('User not found!');
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const result = bcrypt.compareSync(password, user.password);
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if(!result) return res.status(401).send('Password not valid!');
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const expiresIn = 24 * 60 * 60;
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const accessToken = jwt.sign({ id: user.id }, SECRET_KEY, {
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expiresIn: expiresIn
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});
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res.status(200).send({ "user": user, "access_token": accessToken, "expires_in": expiresIn});
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});
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});
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app.use(router);
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const port = process.env.PORT || 3000;
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const server = app.listen(port, () => {
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console.log('Server listening at http:fuwarun.net');
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});
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connection.end()
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```
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```エラー内容
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const findUserByEmail = connection.query('SELECT * FROM 'dtb_customer' WHERE 'email' = ?', [email], function (err, row, fields) {
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^^^^^
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SyntaxError: Unexpected token const
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at createScript (vm.js:56:10)
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at Object.runInThisContext (vm.js:97:10)
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at Module._compile (module.js:549:28)
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at Object.Module._extensions..js (module.js:586:10)
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at Module.load (module.js:494:32)
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at tryModuleLoad (module.js:453:12)
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at Function.Module._load (module.js:445:3)
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at Module.runMain (module.js:611:10)
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at run (bootstrap_node.js:394:7)
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at startup (bootstrap_node.js:160:9)
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```
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