TypeError：无法读取属性＆＃x27; then＆＃x27;使用JWT代币和刷新令牌时的不确定

发布于 2025-01-23 19:38:13 字数 1513 浏览 0 评论 0原文

抱歉，我是后端（Nodejs）的新手，我正在尝试构建一个JWT令牌和刷新令牌，但我偶然发现了一个错误，当我尝试运行失眠症的终点时，我无法解决。

typeError：无法读取属性'然后'''''''''

这是该错误来自我的app.js文件中的代码段

app.post('/users/login', (req, res) => {
   let email = req.body.email;
   let password = req.body.password;

   User.findByCredentials(email, password)
      .then((user) => {
         return user.createSession()
            .then((refreshToken) => {
               return user.generateAccessAuthToken()
               .then((accessToken) => {
                  return { accessToken, refreshToken };
               });
            })
            .then((authTokens) => {
               res
                  .header('x-refresh-token', authTokens.refreshToken)
                  .header('x-access-token', authTokens.accessToken)
                  .send(user);
            })
   }).catch((e) => {
      res.status(400).send(e);
   });
});

，这是我user.model.js文件中方法“ FindbyCredentials”的代码，

UserSchema.statics.findByCredentials = function(email, password) {
    let User = this;
    User.findOne({ email }).then((user) => {
        if(!user) return Promise.reject();

        return new Promise((resolve, reject) => {
            bcrypt.compare(password, user.password, (err, res) => {
                if (res) resolve(user);
                else {
                    reject();
                }
            })
        })
    });
}

请帮助我

解决错误：我只需要返回FindbyCredentials方法的值即可解决问题

原文

Sorry I'm new to backend (nodejs) and I'm trying to build a JWT token and refresh token but I stumbled across an error that I cannot fix when I try to run an endpoint in insomnia.

TypeError: Cannot read property 'then' of undefined

This is the code snippet from the area the error came from in my app.js file

app.post('/users/login', (req, res) => {
   let email = req.body.email;
   let password = req.body.password;

   User.findByCredentials(email, password)
      .then((user) => {
         return user.createSession()
            .then((refreshToken) => {
               return user.generateAccessAuthToken()
               .then((accessToken) => {
                  return { accessToken, refreshToken };
               });
            })
            .then((authTokens) => {
               res
                  .header('x-refresh-token', authTokens.refreshToken)
                  .header('x-access-token', authTokens.accessToken)
                  .send(user);
            })
   }).catch((e) => {
      res.status(400).send(e);
   });
});

And this is the code for the method "findByCredentials" in my user.model.js file

UserSchema.statics.findByCredentials = function(email, password) {
    let User = this;
    User.findOne({ email }).then((user) => {
        if(!user) return Promise.reject();

        return new Promise((resolve, reject) => {
            bcrypt.compare(password, user.password, (err, res) => {
                if (res) resolve(user);
                else {
                    reject();
                }
            })
        })
    });
}

Please help me

Error solved: I just needed to return the value of the findByCredentials method to solve the problem

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