index.js

const express = require('express')
const app = express()
let fs = require('fs');
var https = require('https')
const bodyParser = require('body-parser');
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: true }))

const { mode, host, port } = require('./config');

let cors = require('cors')
var whitelist = [
    `https://${host}`,
];
var corsOptions = {
    origin: function (origin, callback) {
        var originIsWhitelisted = whitelist.indexOf(origin) !== -1;
        callback(null, originIsWhitelisted);
    },
    methods: 'GET,HEAD,PUT,PATCH,POST,DELETE,OPTIONS',
    credentials: true
};
app.use(cors(corsOptions));

// session setting
var session = require('express-session');
app.use(session({
    secret: 'secret', // 對session id 相關的cookie 進行簽名
    resave: true,
    saveUninitialized: false, // 是否儲存未初始化的會話
    cookie: {
        httpOnly: false,
        secure: false,
        maxAge: 1000 * 60 * 60 * 24, // 設定 session 的有效時間，單位毫秒 (1000 * 60 = 1分鐘)
        sameSite: "lax"
    },
}));
app.use(express.json());

var index = require('./src/controllers/index');
app.use('/', index)


const swaggerUi = require('swagger-ui-express');
const swaggerFile = require('./src/swagger/swagger-output.json') // swagger autogen 輸出的 JSON
app.use('/api-doc', swaggerUi.serve, swaggerUi.setup(swaggerFile))


// 取得app頁面
app.get("/", (req, res) => {
    res.sendFile(__dirname + '/public/app/index.html');
});

// 設定public的檔案路徑
app.use(express.static(__dirname + '/public/app'));
app.use('/filestorage', express.static(__dirname + '/public/filestorage'));

// 取得app頁面(對於任何的url)
app.get("*", (req, res) => {
    res.sendFile(__dirname + '/public/app/index.html');
});


// catch 404 and forward to error handler
app.use(function (req, res, next) {
    var err = new Error('Not Found');
    err.status = 404;
    next(err);
});

// error handler
app.use(function (err, req, res, next) {
    // set locals, only providing error in development
    res.locals.message = err.message;
    res.locals.error = req.app.get('env') === 'development' ? err : {};

    // render the error page
    res.status(err.status || 500);
    res.render('error');
});


const server = require('http').Server(app).listen((process.env.PORT || port), () => {
    console.log(`Example app listening at http://${host}:${port}`)
})