Node ch.15 _ local-strategy 콜백 완성

local-strategy 콜백을 완성해서 인증처리에 필요한 함수를 완성하기

인증처리 코드 추가

/router/join/index.js

 var express = require('express')
 var app = express()
 var router = express.Router()
 var path = require('path')
 var mysql = require('mysql')
 var passport = require('passport');
 var LocalStrategy = require('passport-local').Strategy;


 // DATABASE SETTING (Google Cloud SQL)
 var connection = mysql.createConnection({
     host     : '35.184.164.59',
     port     : 3306,
     user     : 'root',
     password : 'root',
     database : 'jsman'
 });

 connection.connect();


 router.get('/', function(req,res){
     //res.sendFile(path.join(__dirname, '../../public/join.html'))
     //console.log('get join url')
     res.render('join.ejs')
 })

 passport.use('local-join', new LocalStrategy({
         usernameField: 'email',  //default 속성값
         passwordField: 'password', //default 속성값
         passReqToCallback: true
     }, function (req, email, password, done) {
         var query = connection.query('select * from user where email=?', [email], function(err,rows){
             if(err) return done(err);

             if(rows.length){
                 console.log('existed user')
                 return done(null, false, {message : 'Your email is already used'})
             } else {

             }
         })
         }
 ));

 router.post('/', passport.authenticate('local-join', {
     successRedirect: '/main',
     failureRedirect: '/join',
     failureFlash: true })
 )

 module.exports = router;

passport.use 부분에 입력값을 받아 처리하는 함수를 추가했다.

우선 DB에 이미 있는 값을 넣었을 경우 처리.

결과화면 확인

DB에 이미 있는 email값을 입력

existed user 가 콘솔에 찍힌것을 확인

에러 메세지가 나오도록 추가 /router/join/index.js

 var express = require('express')
 var app = express()
 var router = express.Router()
 var path = require('path')
 var mysql = require('mysql')
 var passport = require('passport');
 var LocalStrategy = require('passport-local').Strategy;


 // DATABASE SETTING (Google Cloud SQL)
 var connection = mysql.createConnection({
     host     : '35.184.164.59',
     port     : 3306,
     user     : 'root',
     password : 'root',
     database : 'jsman'
 });

 connection.connect();


 router.get('/', function(req,res){
     var msg;
     var errMsg = req.flash('error');
     if(errMsg) msg = errMsg;
     res.render('join.ejs', {'message' : msg});
 })

 passport.use('local-join', new LocalStrategy({
         usernameField: 'email',  //default 속성값
         passwordField: 'password', //default 속성값
         passReqToCallback: true
     }, function (req, email, password, done) {
         var query = connection.query('select * from user where email=?', [email], function(err,rows){
             if(err) return done(err);

             if(rows.length){
                 console.log('existed user')
                 return done(null, false, {message : 'Your email is already used'})
             } else {

             }
         })
         }
 ));

 router.post('/', passport.authenticate('local-join', {
     successRedirect: '/main',
     failureRedirect: '/join',
     failureFlash: true })
 )

 module.exports = router;

router.get 부분에 메세지 변수를 만들어주고 메세지를 입력할수 있도록 처리

/views/join.ejs

    
 <!DOCTYPE html>
 <html>
 <head>
     <meta charset="utf-8">
     <meta name="description" content="">
     <meta name="viewport" content="width=device-width, initial-scale=1">
     <title>JOIN</title>
     <style>
         .messages{
             color : #963b3b;
             margin-bottom: 16px;
         }
     </style>
 </head>
 <body>
 <h1>Join my website! </h1>
 <section class="messages"> <%= message %></section>
 <form action="/join" method="post">
     email : <input type="text" name="email"><br>

     password : <input type="text" name="password"><br>

     <input type="submit">
 </form>

 </body>
 </html>

섹션에 메세지 받아올 수 있도록 처리

결과 확인

DB에 이미 있는 email값을 입력

오류 메세지 출력 확인

참고. Call-back 함수 done()

http://passportjs.org/docs/overview

위 사이트에서 done 함수를 살펴볼 것.

Node ch.15 _ local-strategy 콜백 완성

local-strategy 콜백을 완성해서 인증처리에 필요한 함수를 완성하기

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