即使设置了令牌和所有内容,如何解决401未经授权的错误?和邮递员在测试时完全没有问题-MERN Stack

如何解决即使设置了令牌和所有内容,如何解决401未经授权的错误?和邮递员在测试时完全没有问题-MERN Stack

我是新来的反应者,我一直在尝试使此api正常工作((在您的教程之后), 当我通过邮递员测试路线时,收到的响应是“可以正常工作” ,但是当我尝试从我的React应用登录时,它 变成了未经授权的 ,我不知道该如何处理* ** 我已尽我所能来做所有可能的事情 ***,我已经尽我所能探索了尽可能多的堆栈溢出情况,但仍然没有找到足够可理解的东西。

>

p.s对我来说这是一个非常关键的问题,因为这是我在大学网络课程中的一部分,并且拥有很高的成绩!

在需要时也将链接附加到github目录: https://github.com/nescafestar/twitter-clone

这是我的AuthActions.js文件

```
//authAction.js

import axios from 'axios';
import {GET_ERRORS,SET_CURRENT_USER} from '../constants';
import setAuthHeader from '../utils/setAuthHeader'

export const registerUser = (userData,history) => dispatch => {
    axios.post('http://localhost:5000/api/users/register',userData,{
        headers: {
          'Authorization': 'Bearer'+ localStorage.getItem('jwtToken')
        }
      })
        .then(res => {
            console.log('----> registering')
            const { token } = res.data 
            localStorage.setItem('jwtToken',token)
            if(token){
                axios.defaults.headers.common['Authorization']='Bearer : '+ token
            }
            history.push('/')})
        .catch(err => dispatch({
            type: GET_ERRORS,payload: err.response.data
        }))
}

export const loginUser = (userData) => dispatch => {
    axios.post('http://localhost:5000/api/users/login',{
        headers: {
          'Authorization': 'Bearer : ' +localStorage.getItem('jwtToken')
        }
      })
    .then(res => {
        // console.log(userData)    
            const { token } = res.data 
            localStorage.setItem('jwtToken',token)
            if(token){
                axios.defaults.headers.common['Authorization']='Bearer : ' +token
            }
            console.log('---> hit dispatch')
            dispatch(getCurrentUser())
        })
        .catch(err => {
            // console.log(err);
            // dispatch({
            //  type: GET_ERRORS,//  payload: err.response.data
            // })
        })
}

export const getCurrentUser = () => dispatch => {
    axios.get('http://localhost:5000/api/users',{
        headers: {
            'Authorization': 'Bearer : ' +localStorage.getItem('jwtToken')
        }
    })
    .then(res => dispatch(setCurrentUser(res.data)))
    .catch(err => dispatch({
        type: GET_ERRORS,payload: err.response.data
    }))
    
}


export const setCurrentUser = (data) => {
    console.log('----> setting user!')
    return {
        
        type: SET_CURRENT_USER,payload: data
    }
}

export const logoutUser=()=>dispatch=>{
    localStorage.removeItem('jwtToken')
    setAuthHeader()
    dispatch(setCurrentUser())
}
```

this is the set Auth Header one:
```
import axios from 'axios'
// const jsonwebtoken=require('jsonwebtoken')


export default function(token){

    console.log(token)
    if(token){
        console.log('Token has been set-properly')
       return axios.defaults.headers.common['Authorization']='Bearer'+ token
    }else{
       return axios.defaults.headers.common['Authorization']=null

    }
}

```

最后这是我的POST.js文件,该文件也返回未经授权的相同问题


    import axios from 'axios'
    // const jsonwebtoken=require('jsonwebtoken')
    
    
    export default function(token){
    
        console.log(token)
        if(token){
            console.log('Token has been set-properly')
           return axios.defaults.headers.common['Authorization']='Bearer'+ token
        }else{
           return axios.defaults.headers.common['Authorization']=null
    
        }
    }
    ``` ```
   ////////////////////////*** ROUTER ***
    ``` ```
// also the Routes/User.js file in case someone wants to know about it as well
    const router = require("express").Router();
    const User = require("../models/User");
    const jwt=require('jsonwebtoken');
    const passport = require("passport");
    //validation
    const validateRegisterInput = require("../validation/register");
    const validateLoginInput = require("../validation/login");
    //handling password hasing
    const bcrypt = require("bcryptjs");
    // const utils = require("../utils/utils");
    
    //routing requests
    
    //handling post request
    router.route("/register").post((req,res) => {
      const { isValid,errors } = validateRegisterInput(req.body);
      if (!isValid) {
        return res.status(404).json(errors);
      }
      //test arguments
      // return res.send('OKKKK!!');
    
      //register user is it does not exist in db
      User.findOne({ email: req.body.email }).then((user) => {
        if (user) {
          errors.email = "Email already Registered!";
          return res.status(404).json(errors);
        }
    
        bcrypt.genSalt(10,function (err,salt) {
          bcrypt.hash(req.body.password,salt,hash) {
            //adding new User to DB is Not Exist
            const newMember = new User({
              username: req.body.username,email: req.body.email,password: hash,});
            newMember
              .save()
              .then((newMember) => res.json(newMember))
              .catch((err) => console.log(err));
          });
        });
      });
    }); //register route ends
    
    //Login Route
    router.route('/login')
        .post((req,res) => {
            const { errors,isValid } = validateLoginInput(req.body)
    
            if (!isValid) {
                return res.status(404).json(errors)
            }
    
            User.findOne({ email: req.body.email })
                .then(user => {
                    if (!user) {
              errors.email = 'User not found/not exist'
                        return res.status(404).json(errors)
                    } else {
              
              bcrypt.compare(req.body.password,user.password)
                        .then(isMatch => {
                            if (isMatch) {
                                const token = jwt.sign({ id: user._id },process.env.SECRET,{ expiresIn: '1d' },token) {
                                    return res.json({
                                        success: true,token: token
                                    })
                                })
                            } else {
                                errors.password = 'Password is incorrect'
                                return res.status(404).json(errors)
                            }
                        })
                    
                        }
                })
    })
    
    
    //returning route for logged in user 
    router.route('/')
        .get( passport.authenticate('jwt',{ session: false }),(req,res) => {
            console.log('here! in home redirect')
            res.json({
                _id: req.user._id,email: req.user.email,username: req.user.username,followers: req.user.followers,following: req.user.following
            })
    })
    module.exports = router;

解决方法

您没有一致或正确地填充Authorization标头。为简单起见,假设您的jwtToken值为AAAA。在某些情况下,您发送BearerAAAAAA,在其他情况下,您发送Bearer : AAAA。标准应使用字符串“ Bearer”,后接一个空格,后接令牌(Bearer AAAA)的base64编码。有关更多信息,请参见RFC:https://tools.ietf.org/html/rfc6750

设置标头时,您可以使用以下内容:

const token = localStorage.getItem('jwtToken') //Or however you choose to get it
const headers = {
  Authorization: `Bearer ${token}`
}

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