bcrypt 密码比较在 Node.js 与猫鼬中不起作用

Question

每当我向/api/user/login发送带有Postman的帖子请求时。它显示未定义user.password。我正在尝试将纯密码与存储在MongoDB中的现有散列密码进行比较，但它显示ReferenceError: user is not defined.

下面是代码和带有屏幕截图的错误消息。请让我知道我在哪里搞砸了。

const router = require('express').Router();
const User = require('../model/User');
const bcrypt = require('bcryptjs');
const Joi = require('@hapi/joi');

const registerSchema = Joi.object({
name: Joi.string()
.min(6)
.required(),
email: Joi.string()
.min(6)
.email()
.required(),
password: Joi.string()
.min(6)
.required()
})

const loginSchema = Joi.object({
email:Joi.string()
.required(),
password:Joi.string()
.required()
})

router.post('/register', async(req, res)=>{   

const {error} = registerSchema.validate(req.body);
if(error)
return res.status(400).send(error.details[0].message);

// Checking if the user exist in database   
const checkExistingEmail =  await User.findOne({email: req.body.email});
if(checkExistingEmail) return res.status(400).send('Email already exist');


// Hash  passwords
const salt = await bcrypt.genSalt(10);
const hashedPassword = await bcrypt.hash(req.body.password, salt);

//Create New Database for user
const user = new User({
name: req.body.name,
email: req.body.email,
password: hashedPassword    
});
try {
const savedUser =  await user.save()
res.send({user : user._id});
} catch(err) {
res.status(400).send(err);

}
});


router.post('/login',  async(req, res) =>{
const {error} = loginSchema.validate(req.body)
if(error)
return res.status(400).send(error.details[0].message);

// Checking if the user exist in database   
const checkExistingEmail =  await User.findOne({email: req.body.email});
if(!checkExistingEmail) return res.status(400).send('Email does not exist');

// Check Password
const validPass = await bcrypt.compare(req.body.password, user.password);
if(!validPass) return res.status(400).send('Password does not match');

res.send('Logged In');

});



module.exports = router;

错误如下所示：

[nodemon] 2.0.4
[nodemon] to restart at any time, enter `rs`
[nodemon] watching path(s): *.*
[nodemon] watching extensions: js,mjs,json
[nodemon] starting `node app.js`
Server running and listening at port 8081....
Connected to Database...
(node:9380) UnhandledPromiseRejectionWarning: ReferenceError: user is not defined
at D:tapuPROJECT WORKSPROJECT 1.0Personal Blogging Web ApplicationServer SideLogin APIroutesauth.js:67:67
at processTicksAndRejections (internal/process/task_queues.js:97:5)
(node:9380) 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:9380) [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.

这是带有错误的屏幕截图

Answer 1

您应该先学习如何读取堆栈跟踪。

UnhandledPromiseRejectionWarning: ReferenceError: user is not defined at D:tapuPROJECT WORKSPROJECT 1.0Personal Blogging Web ApplicationServer SideLogin APIroutesauth.js:67:67

文件auth.js第 67 行的代码中存在 ReferenceError。 而不是chekcExistingEmail您使用的是user变量。

您可以在此处阅读有关堆栈跟踪的更多信息：https://www.digitalocean.com/community/tutorials/js-stack-trace