护照：req.isAuthenticated() 不是一个函数，req.user 没有被护照设置

Question

我正在使用 MERN 堆栈创建一个 Web 应用程序，我想为其实现 google OAuth 和会话，我为此使用 'express-session' 和 'passport.js'。一切似乎都按预期工作，但我得到了 error: req.isAuthenticated isn't function。此外， the value of req.user is "undefined" 但是，cookie 正在生成并成功存储在 MongoDB 中。我是节点和护照的新手，所以我无法找出问题所在。此外，以前针对同一错误提出的问题的解决方案对我不起作用。

这是错误

(node:10481) UnhandledPromiseRejectionWarning: TypeError: req.isAuthenticated is not a function
    at addYear (/media/test/DATA/Dev/full-stack/projects/budget-app-backend/controllers/years.js:15:18)
    at Layer.handle [as handle_request] (/media/test/DATA/Dev/full-stack/projects/budget-app-backend/node_modules/express/lib/router/layer.js:95:5)
    at next (/media/test/DATA/Dev/full-stack/projects/budget-app-backend/node_modules/express/lib/router/route.js:137:13)
    at Route.dispatch (/media/test/DATA/Dev/full-stack/projects/budget-app-backend/node_modules/express/lib/router/route.js:112:3)
    at Layer.handle [as handle_request] (/media/test/DATA/Dev/full-stack/projects/budget-app-backend/node_modules/express/lib/router/layer.js:95:5)
    at /media/test/DATA/Dev/full-stack/projects/budget-app-backend/node_modules/express/lib/router/index.js:281:22
    at Function.process_params (/media/test/DATA/Dev/full-stack/projects/budget-app-backend/node_modules/express/lib/router/index.js:341:12)
    at next (/media/test/DATA/Dev/full-stack/projects/budget-app-backend/node_modules/express/lib/router/index.js:275:10)
    at Function.handle (/media/test/DATA/Dev/full-stack/projects/budget-app-backend/node_modules/express/lib/router/index.js:174:3)
    at router (/media/test/DATA/Dev/full-stack/projects/budget-app-backend/node_modules/express/lib/router/index.js:47:12)
(Use `node --trace-warnings ...` to show where the warning was created)
(node:10481) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). To terminate the node process on unhandled promise rejection, use the CLI flag `--unhandled-rejections=strict` (see https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 1)
(node:10481) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.

我也添加代码以供参考。

server.js

中的代码

const dotenv = require("dotenv");
dotenv.config();
const express = require("express");
const cors = require("cors");
const bodyParser = require("body-parser");
const mongoose = require("mongoose");
const passport = require("passport");
const session = require("express-session");
const MongoStore = require("connect-mongo");
const authRouter = require("./routes/auth");
const Info = require("./models/Info");
const Transaction = require("./models/Transactions");
const recordsRouter = require("./routes/recordsRouter");
const { User, userSchema } = require("./models/Users");
const GoogleStrategy = require("passport-google-oauth20").Strategy;
const startDB = require("./models/db");

const app = express();
const PORT = process.env.PORT || 8000;

app.use(bodyParser.urlencoded({ extended: true }));
app.use(bodyParser.json());
app.use(
    cors({
        origin: "http://localhost:3000",
        methods: "GET,POST,PUT,DELETE",
        credentials: true,
    })
);
app.use(
    session({
        secret: "some random string",
        resave: false,
        saveUninitialized: false,
        store: MongoStore.create({
            mongoUrl: "mongodb://0.0.0.0:37017/budgetDB",
        }),
    })
);

startDB();

app.use("/auth", authRouter);
app.use("/dashboard", recordsRouter);

app.use(passport.initialize());
app.use(passport.session());

require("./passport")(passport);

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

passport.js

中的代码

const { User } = require("./models/Users");
const GoogleStrategy = require("passport-google-oauth20").Strategy;

module.exports = function (passport) {
    passport.serializeUser((user, done) => {
        console.log(`From passport.js serializeUser: ${user}`);
        return done(null, user.id);
    });

    passport.deserializeUser((id, done) => {
        User.findById(id, (err, user) => {
            done(err, user);
        });
    });

    passport.use(
        new GoogleStrategy(
            {
                clientID: process.env.CLIENT_ID,
                clientSecret: process.env.CLIENT_SECRET,
                callbackURL: "http://localhost:8000/auth/google/callback",
                userProfileURL: "https://www.googleapis.com/oauth2/v3/userinfo",
            },

            async (accessToken, refreshToken, profile, done) => {
                const newUser = new User({
                    name: profile.displayName,
                    googleId: profile.id,
                });

                try {
                    const user = await User.findOne({ googleId: profile.id });
                    if (!user) {
                        user = await User.create(newUser);
                    }
                    return done(null, user);
                } catch (err) {
                    console.log(`Error From 'passport.js': ${err}`);
                    return done(err);
                }
            }
        )
    );
};

auth.js

中的代码

const router = require("express").Router();
const passport = require("passport");

const CLIENT_URL = "http://localhost:3000";

router.get("/login/failed", (req, res) => {
    console.log(res);
    res.status(401).json({
        message: "login failed",
    });
});

router.get("/logout", (req, res) => {
    req.logout();
    res.redirect(CLIENT_URL);
});

router.get("/google", passport.authenticate("google", { scope: ["profile"] }));

router.get(
    "/google/callback",
    passport.authenticate("google", {
        failureRedirect: "/login/failed",
        successRedirect: CLIENT_URL + "/Dashboard",
    })
);

module.exports = router;

用户模型中的代码

const mongoose = require("mongoose");

const userSchema = new mongoose.Schema({
    name: String,
    googleId: String,
});

const User = mongoose.model("User", userSchema);

module.exports = { User, userSchema };

Answer 1

中间件命令很重要。将 .use(passport...) 放在 .use(router...)

之前

护照：req.isAuthenticated() 不是一个函数，req.user 没有被护照设置

passport: req.isAuthenticated() is not a function and req.user is not being set by passport

node.js

mongodb

express

passport.js

express-session