使用 Passport 和 MongoDB 出现问题

Question

我正在使用 express-session、passport、passport-local 和 passport-local-mongoose，但出了点问题。我是新手，所以我正在练习并尝试部署一个网站以查看它是如何工作的，但是现在当用户登录并提交消息时，服务器会让他们再次登录，即使不应该因为他们已经登录了。请上网站看问题更清楚！ 代码在最后，在这里你可以去网站 网址，点这里

网站应该让用户在登录后提交消息，但即使他们已经登录，也不允许他们提交消息，因为它会一次又一次地将他们带到登录页面

require('dotenv').config();
    const express = require("express");
    const mongoose = require("mongoose");
    //[email protected]
    const session = require("express-session");
    const passport = require("passport");
    const passportLocalMongoose = require("passport-local-mongoose");
    
    const app = express();
    const PORT = process.env.PORT || 3000;
    
    app.use(express.static("public"));
    app.use(express.urlencoded({extended: true}));
    app.set('view engine', 'ejs');
    
    app.use(session({
      secret: process.env.MYSECRET,
      resave: false,
      saveUninitialized: false
    }));
    
    app.use(passport.initialize());
    app.use(passport.session());
    
    mongoose.set('strictQuery', true);
    
    async function connectDB() {
      try {
         const conn =  await mongoose.connect(process.env.mongodb);
         console.log("MongoDB Connected: " + conn.connection.host);
        } catch(err) {
         console.log(err);
         process.exit(1);
        }
    }
    
    const userSchema = new mongoose.Schema({
      username: String,
      password: String
    });
    
    const secretSchema = new mongoose.Schema({
      secret: String
    });
    
    userSchema.plugin(passportLocalMongoose);
    //Hash and salt passwords
    
    const User = mongoose.model("User", userSchema);
    
    const Secret = mongoose.model("Secret", secretSchema);
    
    passport.use(User.createStrategy());
    
    passport.serializeUser(User.serializeUser());
    passport.deserializeUser(User.deserializeUser());
    
    app.get("/", (req, res) => {
      res.render("home");
    });
    
    app.get("/login", function (req, res) {
      res.render("login");
    });
    
    app.get("/register", function (req, res) {
      res.render("register");
    });
    
    app.get("/secrets", function (req, res) {
      if (req.isAuthenticated()) {
        Secret.find({}, function(err, foundSecrets){
          res.render("secrets", {foundSecrets: foundSecrets});
        });
        
      } else {
        console.log(req.isAuthenticated());
        res.redirect("/login");
      }
    });
    
    app.get("/logout", function (req, res) {
      req.logout(function(err){
        if(err) {
          console.log(err);
        }
      });
      res.redirect("/");
    });
    
    app.get("/submit", function (req, res) {
      if (req.isAuthenticated()) {
        res.render("submit");
      } else {
        console.log(req.isAuthenticated());
        res.redirect("/login");
      }
    });
    
    app.post("/register", function (req, res) {
      User.register({username: req.body.username}, req.body.password, function (err, user) {
          if (err) {
            console.log(err);
            res.redirect("/register");
          } else {
            passport.authenticate("local")(req, res, function(){
              res.redirect("/secrets");
            })
          }
      });
    });
    
    app.post("/login", function (req, res) {
    
      const user = new User({
        username: req.body.username,
        password: req.body.password
      });
    
      req.login(user, function(err){
        if (err) {
          console.log(err);
        } else {
          passport.authenticate("local")(req, res, function() {
            res.redirect("/secrets");
          });
        }
      });
    });
    
    app.post("/submit", function(req, res){
      const newSecret = new Secret({secret: req.body.secret});
      newSecret.save();
      res.redirect("/secrets");
    });
    
    connectDB().then( function() {
      app.listen(PORT, function() {
        console.log("Server started. Listening on port " + PORT);
      });
    });