passportjs TypeError：User.authenticate 不是函数

Posted 2023-03-11

【中文标题】passportjs TypeError：User.authenticate 不是函数

【英文标题】：passportjs TypeError: User.authenticate is not a function

【发布时间】：2018-07-21 08:05:27

【问题描述】：

我正在尝试使用 passport-local 和 passport-local-mongoose 构建一个小的 nodejs、express、mongodb 应用程序，但是由于某种原因，在主 app.js 文件中输入护照的中间件时，我得到了这个错误“TypeError：User.authenticate 不是函数”

我在一个测试项目中尝试了自己的身份验证，它工作得很好，所以也许这与我的代码顺序有关，但我不知道是什么导致了这个问题。我尝试了几次重构，但都无济于事。

下面是 app.js 和 User Schema 的代码，如果需要，Here's 是项目文件的链接。

app.js

const express = require('express'),
  app = express(),
  path = require('path'),
  exphbs = require('express-handlebars'),
  methodOverride = require('method-override'),
  flash = require('connect-flash'),
  session = require('express-session'),
  bodyParser = require('body-parser'),
  mongoose = require('mongoose'),
  LocalStrategy = require("passport-local"),
  passport = require("passport"),
  mongodb = require("mongodb"),
  User = require("./models/User");

// Load routes
const ideas = require('./routes/ideas');
const users = require('./routes/users');

// Connect to mongoose
mongoose.connect('mongodb://localhost/diaries');
mongoose.Promise = Promise;

// Handlebars Middleware
app.engine('handlebars', exphbs(
  defaultLayout: 'main'
));
app.set('view engine', 'handlebars');

// Body parser middleware
app.use(bodyParser.urlencoded( extended: false ));
app.use(bodyParser.json());

// Static folder
app.use(express.static(path.join(__dirname, 'public')));

// Method override middleware
app.use(methodOverride('_method'));

// Express session midleware
//PASSPORT CONFIGURATION
app.use(require("express-session")(
  secret: "secret",
  resave: false,
  saveUninitialized: false
));
app.use(passport.initialize());
app.use(passport.session());
passport.use(new LocalStrategy(User.authenticate()));
passport.serializeUser(User.serializeUser());
passport.deserializeUser(User.deserializeUser());

app.use(flash());

// Global variables
app.use(function(req, res, next) 
  res.locals.success_msg = req.flash('success_msg');
  res.locals.error_msg = req.flash('error_msg');
  res.locals.error = req.flash('error');
  next();
);

// Index Route
app.get('/', (req, res) => 
  const title = 'Welcome';
  res.render('index', 
    title: title
  );
);

// About Route
app.get('/about', (req, res) => 
  res.render('about');
);


// Use routes
app.use('/ideas', ideas);
app.use('/users', users);

const port = process.env.PORT;

app.listen(port, () => 
  console.log(`Server started on port $port`);
);

用户架构

const mongoose = require('mongoose');
const Schema = mongoose.Schema;
const passportLocalMongoose = require("passport-local-mongoose");

// Create Schema
const UserSchema = new Schema(
  name:
    type: String,
    required: true
  ,
  email:
    type: String,
    required: true
  ,
  password:
    type: String,
    required: true
  ,
  date: 
    type: Date,
    default: Date.now
  
);
UserSchema.plugin(passportLocalMongoose, usernameField: "email");
mongoose.model('users', UserSchema);

【参考方案1】：

尝试从require('passport-local').Strategy 导入LocalStrategy

喜欢 const LocalStrategy = require('passport-local').Strategy