-added middleware to authunticate

-users/me GET

server/middleware/authunticate.js

@@ -0,0 +1,22 @@
+const {User} = require('./../models/user');
+
+var authunticate = (req,res,next) => {
+
+    var token = req.header('x-auth');
+
+    User.findByToken(token)
+    .then((user) => {
+
+        if(!user){
+            return Promise.reject();
+        }
+        req.user = user;
+        req.token = token;
+        next();
+    })
+    .catch((e) => {
+        res.status(401).send(); 
+    })
+ };
+
+ module.exports = {authunticate};

server/models/user.js

@@ -64,6 +64,28 @@ UserSchema.methods.toJSON = function () {
     });
  };
 
+UserSchema.statics.findByToken = function (token) {
+
+    // search for the user with the token provided 
+    var User = this,
+        decoded;
+
+    try{
+        decoded = jwt.verify(token,'thesecret');
+    }catch(e){
+        return Promise.reject();
+    }
+    // return to chain then on the server js  
+    return User.findOne({
+        '_id':decoded._id,
+        'tokens.token':token,
+        'tokens.access':'auth'
+    });
+
+};
+
+
+
 var User = mongoose.model('user',UserSchema);
 
 

server/server.js

@@ -7,10 +7,10 @@ const bodyParser = require('body-parser');
 const {ObjectID} =require('mongodb');
 const jwt = require('jsonwebtoken');
 //Files
-const {mongoose} = require('./db/mongoose');
-const {Todo} = require('./models/todo');
-const {User} = require('./models/user');
-
+var {mongoose} = require('./db/mongoose');
+var {Todo} = require('./models/todo');
+var {User} = require('./models/user');
+var {authunticate} = require('./middleware/authunticate');
 
 // get express work
 var app = express();
@@ -66,7 +66,7 @@ app.get('/todos/:id',(req,res) => {
         });
 });
 
-
+// delete todo section 
 app.delete('/todos/:id',(req,res) => {
 
     var todo_id = req.params.id;
@@ -92,7 +92,7 @@ app.delete('/todos/:id',(req,res) => {
 
 })
 
-
+// update the todo 
  app.patch('/todos/:id',(req,res) => {
      var id = req.params.id;
      var body = _.pick(req.body,['text','completed']);
@@ -124,7 +124,7 @@ app.delete('/todos/:id',(req,res) => {
     });
  });
 
-
+// sign up a new user 
  app.post('/users',(req,res) => {
 
     var body = _.pick(req.body,['email','password']);
@@ -143,6 +143,12 @@ app.delete('/todos/:id',(req,res) => {
     })
 
  })
+
+// log in with exsiting user
+app.get('/users/me',authunticate,(req,res) => {
+    res.send(req.user);
+});
+
 
 // listen to port
 app.listen(port,() =>console.log(`Server Connected to port ${port}...`));