로그인 토큰 생성 기능 추가

@@ -2,6 +2,7 @@
 const express = require('express')
 const app = express()
 const bodyParser = require('body-parser');
+const cookieParser = require('cookie-parser');
 const port = 5000
 
 const  {User}  = require('./models/Users');
@@ -11,6 +12,7 @@ const config = require('./config/dev')
 app.use(bodyParser.urlencoded({extended : true}));
 app.use(bodyParser.json());
 
+app.use(cookieParser());
 
 const mongoose = require('mongoose')
 mongoose.connect(config.mongoURI,{
@@ -35,5 +37,35 @@ app.post('/register', (req, res) => {
     }) // MongoDb에 저징
 })
 
+app.post('/login', (req, res) => {
+
+    // 요청된 이메일이 데이터 베이스에 있는지 확인
+    User.findOne({email : req.body.email}, (err, user) =>{
+        if(!user){
+            return res.json({
+                loginSuccess : false,
+                message : "이메일에 해당하는 유저가 없습니다."
+            })
+        }
+        // 요청된 이메일이 데이터 베이스에 있다면, 비밀번호가 맞는디 확인
+        user.comparePassword( req.body.password,(err, isMatch) =>{
+            if(!isMatch)
+                return res.json({loginSuccess : false, message : "비밀번호 오류"})
+            // 비밀번호까지 맞다면 그 유저에 대한 토큰을 생성한다.
+            user.generateToken((err,user) =>{
+                if(err) return res.status(400).send(err);
+                
+                //토큰을 저장한다.
+                    res.cookie("x_auth",user.token)
+                    .status(200)
+                    .json({loginSuccess:true, userId: user._id})
+
+
+            })
+        })
+    })
+})
 
 app.listen(port, () => console.log('example app listen on port %s!', port))
+
+

 const mongoose = require('mongoose');
 const bcrypt = require('bcrypt');
 const saltRounds = 10;
+const jwt = require('jsonwebtoken');
 const userSchema = mongoose.Schema({
     name : {
         type : String,
@@ -49,10 +50,33 @@ userSchema.pre('save', function(next){
                 next()
             })
         })
+    } else{
+        next() // 비밀번호를 바꾸는 것이 아니라면, 넘어감
     }
 
 })
 
+userSchema.methods.comparePassword = function(plainPassword, cb){
+    bcrypt.compare(plainPassword, this.password, function(err, isMatch){
+        if(err) return cb(err),
+            cb(null, isMatch) 
+    })
+}
+userSchema.methods.generateToken = function(cb){
+    // token생성
+    var user = this;
+    var token = jwt.sign(user._id, 'secretToken')
+    user.token = token
+    user.save(function(err, user){
+        if(err) return cb(err)
+        cb(null, user)
+    })
+
+
+    
+
+}
+
 
 const User = mongoose.model('Users', userSchema)
 

@@ -196,6 +196,11 @@
       "resolved": "https://registry.npmjs.org/bson/-/bson-1.1.4.tgz",
       "integrity": "sha512-S/yKGU1syOMzO86+dGpg2qGoDL0zvzcb262G+gqEy6TgP6rt6z6qxSFX/8X6vLC91P7G7C3nLs0+bvDzmvBA3Q=="
     },
+    "buffer-equal-constant-time": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/buffer-equal-constant-time/-/buffer-equal-constant-time-1.0.1.tgz",
+      "integrity": "sha1-+OcRMvf/5uAaXJaXpMbz5I1cyBk="
+    },
     "bytes": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.1.0.tgz",
@@ -370,11 +375,25 @@
       "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.4.0.tgz",
       "integrity": "sha512-+Hp8fLp57wnUSt0tY0tHEXh4voZRDnoIrZPqlo3DPiI4y9lwg/jqx+1Om94/W6ZaPDOUbnjOt/99w66zk+l1Xg=="
     },
+    "cookie-parser": {
+      "version": "1.4.5",
+      "resolved": "https://registry.npmjs.org/cookie-parser/-/cookie-parser-1.4.5.tgz",
+      "integrity": "sha512-f13bPUj/gG/5mDr+xLmSxxDsB9DQiTIfhJS/sqjrmfAWiAN+x2O4i/XguTL9yDZ+/IFDanJ+5x7hC4CXT9Tdzw==",
+      "requires": {
+        "cookie": "0.4.0",
+        "cookie-signature": "1.0.6"
+      }
+    },
     "cookie-signature": {
       "version": "1.0.6",
       "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz",
       "integrity": "sha1-4wOogrNCzD7oylE6eZmXNNqzriw="
     },
+    "cookieparser": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/cookieparser/-/cookieparser-0.1.0.tgz",
+      "integrity": "sha1-6hLLEIXBdPMWf66veYX3mr5nHQ4="
+    },
     "core-util-is": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
@@ -454,6 +473,14 @@
       "integrity": "sha1-7gHdHKwO08vH/b6jfcCo8c4ALOI=",
       "dev": true
     },
+    "ecdsa-sig-formatter": {
+      "version": "1.0.11",
+      "resolved": "https://registry.npmjs.org/ecdsa-sig-formatter/-/ecdsa-sig-formatter-1.0.11.tgz",
+      "integrity": "sha512-nagl3RYrbNv6kQkeJIpt6NJZy8twLB/2vtz6yN9Z4vRKHN4/QZJIEbqohALSgwKdnksuY3k5Addp5lg8sVoVcQ==",
+      "requires": {
+        "safe-buffer": "^5.0.1"
+      }
+    },
     "ee-first": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/ee-first/-/ee-first-1.1.1.tgz",
@@ -886,6 +913,49 @@
       "integrity": "sha1-Wx85evx11ne96Lz8Dkfh+aPZqJg=",
       "dev": true
     },
+    "jsonwebtoken": {
+      "version": "8.5.1",
+      "resolved": "https://registry.npmjs.org/jsonwebtoken/-/jsonwebtoken-8.5.1.tgz",
+      "integrity": "sha512-XjwVfRS6jTMsqYs0EsuJ4LGxXV14zQybNd4L2r0UvbVnSF9Af8x7p5MzbJ90Ioz/9TI41/hTCvznF/loiSzn8w==",
+      "requires": {
+        "jws": "^3.2.2",
+        "lodash.includes": "^4.3.0",
+        "lodash.isboolean": "^3.0.3",
+        "lodash.isinteger": "^4.0.4",
+        "lodash.isnumber": "^3.0.3",
+        "lodash.isplainobject": "^4.0.6",
+        "lodash.isstring": "^4.0.1",
+        "lodash.once": "^4.0.0",
+        "ms": "^2.1.1",
+        "semver": "^5.6.0"
+      },
+      "dependencies": {
+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
+        }
+      }
+    },
+    "jwa": {
+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/jwa/-/jwa-1.4.1.tgz",
+      "integrity": "sha512-qiLX/xhEEFKUAJ6FiBMbes3w9ATzyk5W7Hvzpa/SLYdxNtng+gcurvrI7TbACjIXlsJyr05/S1oUhZrc63evQA==",
+      "requires": {
+        "buffer-equal-constant-time": "1.0.1",
+        "ecdsa-sig-formatter": "1.0.11",
+        "safe-buffer": "^5.0.1"
+      }
+    },
+    "jws": {
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/jws/-/jws-3.2.2.tgz",
+      "integrity": "sha512-YHlZCB6lMTllWDtSPHz/ZXTsi8S00usEV6v1tjq8tOUZzw7DpSDWVXjXDre6ed1w/pd495ODpHZYSdkRTsa0HA==",
+      "requires": {
+        "jwa": "^1.4.1",
+        "safe-buffer": "^5.0.1"
+      }
+    },
     "kareem": {
       "version": "2.3.1",
       "resolved": "https://registry.npmjs.org/kareem/-/kareem-2.3.1.tgz",
@@ -909,6 +979,41 @@
         "package-json": "^6.3.0"
       }
     },
+    "lodash.includes": {
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/lodash.includes/-/lodash.includes-4.3.0.tgz",
+      "integrity": "sha1-YLuYqHy5I8aMoeUTJUgzFISfVT8="
+    },
+    "lodash.isboolean": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/lodash.isboolean/-/lodash.isboolean-3.0.3.tgz",
+      "integrity": "sha1-bC4XHbKiV82WgC/UOwGyDV9YcPY="
+    },
+    "lodash.isinteger": {
+      "version": "4.0.4",
+      "resolved": "https://registry.npmjs.org/lodash.isinteger/-/lodash.isinteger-4.0.4.tgz",
+      "integrity": "sha1-YZwK89A/iwTDH1iChAt3sRzWg0M="
+    },
+    "lodash.isnumber": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/lodash.isnumber/-/lodash.isnumber-3.0.3.tgz",
+      "integrity": "sha1-POdoEMWSjQM1IwGsKHMX8RwLH/w="
+    },
+    "lodash.isplainobject": {
+      "version": "4.0.6",
+      "resolved": "https://registry.npmjs.org/lodash.isplainobject/-/lodash.isplainobject-4.0.6.tgz",
+      "integrity": "sha1-fFJqUtibRcRcxpC4gWO+BJf1UMs="
+    },
+    "lodash.isstring": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/lodash.isstring/-/lodash.isstring-4.0.1.tgz",
+      "integrity": "sha1-1SfftUVuynzJu5XV2ur4i6VKVFE="
+    },
+    "lodash.once": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/lodash.once/-/lodash.once-4.1.1.tgz",
+      "integrity": "sha1-DdOXEhPHxW34gJd9UEyI+0cal6w="
+    },
     "lowercase-keys": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/lowercase-keys/-/lowercase-keys-1.0.1.tgz",

@@ -17,7 +17,9 @@
   "dependencies": {
     "bcrypt": "^4.0.1",
     "body-parser": "^1.19.0",
+    "cookie-parser": "^1.4.5",
     "express": "^4.17.1",
+    "jsonwebtoken": "^8.5.1",
     "mongoose": "^5.9.15"
   },
   "devDependencies": {