问从用户电子邮件中创建用于电子邮件验证的散列/令牌

EN

   router.post('/AddUser', function(req, res, next) {
    var user = new User();
    user.name = req.body.name;
    user.email = req.body.email;
    user.is_verified = false;

    user.save(function(err,user){
       if(err){
           console.log(err);
           res.json(err);
       } else{
           console.log("User data saved");

           var transport = mailer.createTransport({
               service : "Gmail",
               auth : {
                   user : config.central_email,
                   pass : config.central_email_password
               }
           });

//           tommorow's date
           var info = {};
           info.user = user;
           info.expiry = new Date(new Date().getTime() + 24 * 60 * 60 * 1000);
           var token = jwt.encode(info,config.secret);
           console.log("http://localhost:3000/verifyEmail/" + token);

           var mailOptions = {
               from : "TEST<noreply@vysly.com>",
               to : user.email,
               subject : "Welcome to TEST",
               text : 'Visit this http://localhost:3000/verifyEmail/'+token,
               html : '<a href="http://localhost:3000/verifyEmail/'+token+'"><H2>Click on this</H2></a>'
           }
           transport.sendMail(mailOptions,function(email_err,email_data){
               if(email_err){
                   console.log(email_err);
                   res.json(email_err);
               }else{
                   console.log("Email is Sent");
                   res.json({result : 1});
               }
           });

       }
    });
});

router.get('/verifyEmail/:token',function(req,res){
    var token = req.params.token;
    var data = jwt.decode(token,config.secret);
    console.log(new Date(data.expiry));
    console.log(new Date());
    if(new Date(data.expiry) > new Date()){
        User.findOne({ _id : data.user._id, name : data.user.name })
            .exec(function(err,user){
            if(err){
                console.log(err);
                res.json(err);
            }else if(!user){
                console.log("User not found");
                res.json({error : "User not found"});
            }else{
                console.log("User found");
                user.is_verified = true;
                user.save(function(update_err,update_data){
                    if(update_err){
                        console.log(update_err);
                        res.json(update_err);
                    }else{
                        console.log("Email is verified of user "+update_data._id);
                        res.json({result : 1});
                    }
                });
            }
        });
    }else{
        console.log("Link is expired");
        res.json({error : "Link is expired"});
    }
});