controller/session.js

   1 'use strict';
   2
   3 var dbquery = require('./dbquery');
   4 var JL = require('jsnlog').JL;
   5
   6 var logger = JL('session.js');
   7
   8 function Session() {};
   9
  10 var STATUS = {
  11     FAIL : 'fail',
  12     SUCCESS : 'success',
  13     CONNECTED : 'connected',
  14     UNKNOWN: 'unknown'
  15 }
  16
  17 Session.prototype.postSession = function(req, res) {
  18     if (req.session) {
  19         // check email and password
  20         if (req.body.email) {
  21             dbquery.getUser({
  22                 email: req.body.email,
  23                 password: req.body.password
  24             }, function success(user) {
  25                 if (user.data === null) {
  26                     // check email
  27                     dbquery.hasUser({
  28                         email: req.body.email
  29                     }, function success(result) {
  30                         // email validation
  31                         if (result[0].count !== '0') {
  32                             logger.info('invalid password: ' + req.body.password);
  33                             res.json({
  34                                 result: STATUS.FAIL,
  35                                 reason: 'password'
  36                             });
  37                         } else {
  38                             logger.info('invalid email:' + req.body.email);
  39                             res.json({
  40                                 result: STATUS.FAIL,
  41                                 reason: 'email'
  42                             });
  43                         }
  44                     }, function error(err) {
  45                         logger.error(err);
  46                     });
  47                 } else {
  48                     // save email in session
  49                     req.session.email = req.body.email;
  50                     req.session.group = user.data.user_group;
  51                     logger.info('login success: ' + req.body.email + ' , ' + user.data.user_group);
  52                     res.json({
  53                         result: STATUS.SUCCESS,
  54                         data: user.data
  55                     });
  56                 }
  57             }, function error(err) {
  58                 logger.error(err);
  59             });
  60         }
  61     } else {
  62         logger.info('invalid email:' + req.body.email);
  63         res.json({
  64             result: STATUS.FAIL,
  65             reason: 'email'
  66         });
  67     }
  68 }
  69
  70 Session.prototype.getSession = function(req, res) {
  71     if (req.session && req.session.email) {
  72         res.json({
  73             status: STATUS.CONNECTED,
  74             email: req.session.email,
  75             group: req.session.group
  76         });
  77     } else {
  78         res.json({
  79             status: STATUS.UNKNOWN,
  80             group: 'GUEST'
  81         });
  82     }
  83 }
  84
  85 Session.prototype.deleteSession = function(req, res) {
  86     if (req.session.email) {
  87         req.session.destroy();
  88         logger.info('logout success');
  89         res.json({
  90             result: STATUS.SUCCESS
  91         });
  92     } else {
  93         logger.info('logout fail');
  94         res.json({
  95             result: STATUS.FAIL
  96         });
  97     }
  98 }
  99
 100 module.exports = new Session();