왜 req.user 가 undefined 일까요

[Leo]

안녕하세요, 왜 /api/auth/info 에 들어가도  undefined 만 터미널에 출력 되고 빈 회색 창만 뜰까요,
원래 req.user 에는 로그인 정보가 떠야되는걸로 알고 있습니다.
 

const express = require("express");
const { ObjectId } = require("mongodb");
const app = express();
app.use(express.static(__dirname + "/styles"));
app.use(express.static(__dirname + "/views"));
app.set("view engine", "ejs");
app.use(express.json());
app.use(express.urlencoded({ extended: true }));
const session = require("express-session");
const passport = require("passport");
const LocalStrategy = require("passport-local");
require("dotenv").config();
const bcrypt = require("bcrypt");
const MongoStore = require("connect-mongo");
const uri = process.env.dburl;
const { MongoClient, ServerApiVersion } = require("mongodb");
const client = new MongoClient(uri);
let db;
async function run() {
try {
await client.connect();
await client.db("admin").command({ ping: 1 });
 console.log(
"Pinged your deployment. You successfully connected to MongoDB!"
 );
 db = await client.db("forum");
} catch (e) {
 console.error(e);
}
}
run().catch(console.dir);

app.use(passport.initialize());
app.use(
session({
secret: process.env.sessionsecret,
resave: false,
saveUninitialized: false,
store: MongoStore.create({
mongoUrl: uri,
dbName: "forum",
}),
})
);

passport.use(
new LocalStrategy(async (userid, userpasswd, cb) => {
try {
let result = await db.collection("user").findOne({ username: userid });
if (!result) {
return cb(null, false, { message: "no_id_in_db" });
}

if (await bcrypt.compare(userpasswd, result.password)) {
return cb(null, result);
} else {
return cb(null, false, { message: "password_not_correct" });
}
} catch (error) {
return cb(null, false, { message: "서버에러" });
}
})
);

passport.serializeUser((user, done) => {
 process.nextTick(() => {
done(null, { id: user._id, username: user.username });
});
});

passport.deserializeUser(async (user, done) => {
let result = await db
.collection("user")
.findOne({ _id: new ObjectId(user.id) });
delete result.password;
 process.nextTick(() => {
return done(null, result);
});
});

const printf = console.log;

const PORT = 80;
app.listen(PORT, () => {
printf(`http://localhost:${PORT} 에서 서버 실행중`);
});

app.get("/", (req, res) => {
 res.render("index.ejs");
});

app.get("/auth", async (req, res) => {
 res.render("auth.ejs", { query: req.query });
});
app.get("/auth/new", async (req, res) => {
 res.render("authNew.ejs", { query: req.query });
});
app.post("/api/auth/new/", async (req, res) => {
const passwd = req.body.password;
const username = req.body.username;

let isokay_id = /^[a-zA-Z0-9]+$/.test(username) && username.length >= 3;

try {
const existingUser = await db
.collection("user")
.findOne({ username: username });
if (existingUser || !isokay_id) {
return res.redirect("/auth/new?checkusername=true");
}

const isokay_passwd =
passwd.length >= 10 &&
/[0-9]/.test(passwd) &&
/[!@#$%^&*(),.?":{}|<>]/.test(passwd);

if (!isokay_passwd) {
return res.redirect("/auth/new?checkpassword=true");
}

let hashedpasswd = await bcrypt.hash(passwd, 10);
await db.collection("user").insertOne({
username: username,
password: hashedpasswd,
});

 res.redirect("/");
} catch (error) {
 console.error(error);
 res.status(500).send("Internal Server Error");
}
});

app.post("/api/auth", async (req, res, next) => {
 passport.authenticate("local", (error, user, info) => {
if (error) {
return res.status(500).json(error);
}
if (!user) {
if (info.message == "password_not_correct") {
return res.redirect("/auth?incorrectPassword=true");
}
if (info.message == "no_id_in_db") {
return res.redirect("/auth?incorrectUserName=true");
}
}
 req.logIn(user, (err) => {
if (err) {
return next(err);
}
 res.redirect("/");
});
})(req, res, next);
});

app.get("/api/auth/info", (req, res) => {
printf(req.user);
 res.send(req.user);
});

app.get("*", (req, res) => {
 res.status(404).render("notFound.ejs");
});

로그인 하고 바로 /api/auth/info 에 들어갓읍니다.

• 이 게시글은 Leo에 의해 8 월 전에 수정됐습니다. 이유: 그냥

[codingapple]

app.use(passport.session())도 추가해봅시다

[Leo]

감사합니다. 해결했어요

[글쓴이]

글