sessions are not getting stored in the browser cookies

问题

When i trying to run my API in postman it is working fine and sessions are getting maintained. But when i am trying to run it from UI Part the login session is not working.

This is my Login API from where i am login into

app.post('/user/login', (req, res, next) => {
        const body = req.body;
        let email = body.email;
        let password = body.password;
        const userDetails = db.collection(userProfiles);
        userDetails.findOne({email: email}, function (err, user) {
            if (err) {
                return next(err);
            } else if (!user) {
                return res.status(400).send({
                    status: 'error',
                    message: 'user does not exist'
                });

            } else {
                if (user.password == password) {
                    user_object = user;
                    req.session.user = user;
                    return res.send({
                        user_obj: user,
                        status: 'success',
                        message: 'Successfully logged in'
                    });

                } else {
                    return res.status(400).send({
                        status: 'error',
                        message: 'Wrong Password'
                    })

                }
            }

            return res.send(user);
        });
    });

This is my session API from where i am sending user req.session.user on calling this api

app.get('/user/dashboard', function (req, res) {
        if (!req.session.user) {
            return res.status(400).send({
                data:'need to be logged in'
            });
        }
        return res.status(200).send({
            data:req.session.user
        });
    });```



The below is the javascript file from where i am trying to call the user stores in req.session.user

`
async function fetchUserId(){
    let cookie = document.cookie;
    let res = await fetch('http://127.0.0.1:8080/user/dashboard',
        {redirect: 'follow',
            headers:{
                "Cookie":cookie
            }});
    let userJson = await res.json();
    console.log(res);
    console.log(userJson);
    //return userJson;
};
`


when i hit the login API from Postman it is maintaining session and working fine but when i do the same from UI from browser it is giving error status 400 every time.

回答1:

You can do a

fetch(url, options).then(function(res) { console.log(res} )

and

app.get('/user/dashboard', function (req, res) {
        console.log(req.headers)
        if (!req.session.user) {
            return res.status(400).send({
                data:'need to be logged in'
            });
        }
        return res.status(200).send({
            data:req.session.user
        });
    });

To check is the cookie really there and where is the user object.

And you can check your browsers dev console to see if the cookie is updating.

I see that is fetch request you put a cookie in your header. But than at the API you are looking for a user at req.session.user. Although the cookie is in req.header["Cookie"].

来源：https://stackoverflow.com/questions/59724340/sessions-are-not-getting-stored-in-the-browser-cookies

标签

javascript

node.js

express