diff --git a/inc/fftcgdb.coffee b/inc/fftcgdb.coffee
index 76b6422..de5c422 100644
--- a/inc/fftcgdb.coffee
+++ b/inc/fftcgdb.coffee
@@ -11,21 +11,22 @@ FFTCGDB = (filename) ->
 
   @db.run """
     CREATE TABLE IF NOT EXISTS users (
-      login text NOT NULL,
-      nickname text,
-      pwd text NOT NULL,
-      socket text,
+      login text NOT NULL COLLATE NOCASE,
+      pwdhash text NOT NULL,
+      session text,
       UNIQUE(login)
     );
   """
-  console.log 'Connected to', @filename
+  console.log "[FFTCGDB] Connected to '#{@filename}'"
   return
 
 FFTCGDB::close = ->
-  @db.close (err) ->
-    if err
-      console.error err.message
-    console.log 'Closed', @filename
+  new Promise (resolve, reject) ->
+    @db.close (err) ->
+      if err
+        resolve "[FFTCGDB] Error closing: '#{err.message}'"
+      else
+        reject "[FFTCGDB] Closed '#{@filename}'"
 
 FFTCGDB::register = (login, password) ->
   that = @
@@ -34,25 +35,43 @@ FFTCGDB::register = (login, password) ->
 
   new Promise (resolve, reject) ->
     # validate username
-    login = login.toLowerCase()
+
     # hash password
     bcrypt.hash password, saltRounds, (err, hash) ->
-      reject 'bcrypt fail' if err
+      reject 'hash' if err
       # try creating row in users table
-      that.db.run "INSERT INTO users (login, pwd) VALUES ('#{login}', '#{hash}');", (err, result) ->
-        reject 'sqlite fail' if err
-        # registration successful
-        resolve login
+      that.db.run "INSERT INTO users (login, pwdhash) VALUES ('#{login}', '#{hash}');", (err) ->
+        if err
+          if err.code == 'SQLITE_CONSTRAINT'
+            reject 'existence'
+          else
+            reject 'db'
+
+        else
+          # registration successful
+          resolve login
 
 FFTCGDB::login = (login, password) ->
   that = @
 
   new Promise (resolve, reject) ->
+    # validate username
 
+    # get users table row
+    that.db.all "SELECT rowid, pwdhash FROM users WHERE login = '#{login}';", (err, rows) ->
+      if err
+        reject 'db'
+
+      else if rows.length == 0
+        reject 'existence'
+
+      else
+        row = rows[0]
+        bcrypt.compare password, row.pwdhash, (err, res) ->
+          reject 'hash' if err
+          if res == true
+            resolve row.rowid
+          else
+            reject 'login'
 
 module.exports = FFTCGDB
-
-# Handle termination
-process.on 'SIGINT', ->
-  console.log '[FFTCG-DB] shutting down'
-  FFTCGDB.close()
diff --git a/inc/socket.coffee b/inc/socket.coffee
new file mode 100644
index 0000000..c38b177
--- /dev/null
+++ b/inc/socket.coffee
@@ -0,0 +1,62 @@
+# node libraries
+socketio = (require 'socket.io')
+path = (require 'path')
+
+# my libraries
+FFTCGDB = (require './fftcgdb')
+
+FFTCGSOCKET = (http, dbfile) ->
+  that = @
+  @io = socketio http
+  @db = new FFTCGDB dbfile
+
+  @io.on 'connection', (socket) ->
+    that.__connection socket
+
+  return
+
+FFTCGSOCKET::__connection = (socket) ->
+  that = @
+
+  console.log 'a user connected'
+
+  console.log socket.handshake.headers['cookie']
+  socket.emit 'id', socket.handshake.headers['cookie']
+
+  socket.on 'disconnect', ->
+    console.log 'a user disconnected'
+
+  socket.on 'register', (login, password) ->
+    that.__register login, password
+
+  socket.on 'login', (login, password) ->
+    that.__login login, password
+
+FFTCGSOCKET::__login = (login, password) ->
+  console.log '__login:', login, password
+  @db.login login, password
+    .then (login) ->
+      console.log 'Login OK "%s"', login
+    .catch (err) ->
+      console.error 'error: "%s"', err
+
+FFTCGSOCKET::__register = (login, password) ->
+  console.log '__register:', login, password
+  @db.register login, password
+    .then (login) ->
+      console.log 'registered "%s"', login
+    .catch (err) ->
+      console.error 'error: "%s"', err
+
+FFTCGSOCKET::close = ->
+  console.log '[FFTCGSOCKET] shutting down'
+  if @db
+    @db.close()
+      .then (msg) ->
+        console.log msg
+      .catch (err) ->
+        console.error err
+
+
+
+module.exports = FFTCGSOCKET
diff --git a/server.coffee b/server.coffee
index dc3765d..df7c9af 100644
--- a/server.coffee
+++ b/server.coffee
@@ -3,17 +3,14 @@ express = (require 'express')
 helmet = (require 'helmet')
 http = (require 'http')
 path = (require 'path')
-socketio = (require 'socket.io')
 
 # my libraries
-FFTCGDB = (require './inc/fftcgdb')
+FFTCGSOCKET = (require './inc/socket')
 
-fftcgdb = new FFTCGDB path.resolve(__dirname, 'fftcg.db')
-
-# express + socket.io framework
+# express + socket framework
 app = express()
 web = http.Server app
-io = socketio web
+socket = new FFTCGSOCKET(web, path.resolve(__dirname, 'fftcg.db'))
 
 app.use helmet()
 
@@ -25,36 +22,12 @@ app.set 'view engine', 'pug'
 app.get '/:template.html', (req, res) ->
   res.render (req.params.template + '.pug')
 
-# Server logic
-io.on 'connection', (socket) ->
-
-  console.log 'a user connected'
-
-  socket.on 'disconnect', ->
-    console.log 'a user disconnected'
-    return
-
-  socket.on 'register', (login, password) ->
-    console.log 'message:', login, password
-    fftcgdb.register login, password
-      .then (login) ->
-        console.log 'registered "%s"', login
-      .catch (err) ->
-        console.error 'error: "%s"', err
-
-  socket.on 'login', (uname, password) ->
-    console.log 'message:', uname, password
-    fftcgdb.login uname, password
-      .then (login) ->
-        console.log 'Login OK "%s"', login
-      .catch (err) ->
-        console.error 'error: "%s"', err
-
 # Create server
 web.listen 3000, ->
   console.log '[FFTCG] Listening on port 3000 ...'
 
 # Handle termination
 process.on 'SIGINT', ->
+  socket.close()
   console.log '[FFTCG] shutting down after SIGINT'
   process.exit()
diff --git a/src/index.coffee b/src/index.coffee
index b7cdaf8..1aa5aa5 100644
--- a/src/index.coffee
+++ b/src/index.coffee
@@ -12,6 +12,10 @@ $ ->
   # init Socket.IO
   socket = io()
 
+  require './index/localStorage.coffee'
+
+  socket.on 'id', (session) ->
+    console.log session
 
   # login form
   $('form[name="login"]').submit ->
diff --git a/src/index/localStorage.coffee b/src/index/localStorage.coffee
new file mode 100644
index 0000000..13a9c60
--- /dev/null
+++ b/src/index/localStorage.coffee
@@ -0,0 +1,24 @@
+window.storageAvailable = (type) ->
+  try
+    storage = window[type]
+    x = '__storage_test__'
+    storage.setItem x, x
+    storage.removeItem x
+    true
+
+  catch e
+    e instanceof DOMException and
+      # everything except Firefox
+      (e.code == 22 or
+      # Firefox
+      e.code == 1014 or
+      # test name field too, because code might not be present
+      # everything except Firefox
+      e.name == 'QuotaExceededError' or
+      # Firefox
+      e.name == 'NS_ERROR_DOM_QUOTA_REACHED') and
+      # acknowledge QuotaExceededError only if there's something already stored
+      storage.length != 0
+
+if storageAvailable 'sessionStorage'
+  console.log "yay"
diff --git a/src/style/custom.scss b/src/style/custom.scss
index d2c0047..d7cc7e1 100644
--- a/src/style/custom.scss
+++ b/src/style/custom.scss
@@ -13,7 +13,7 @@ html, body {
 body {
   margin: 0;
   background-color: #aaa;
-  background-image: url(//gameranx.com/wp-content/uploads/2016/02/Final-Fantasy-XV-4K-Wallpaper.jpg);
+  // background-image: url(//gameranx.com/wp-content/uploads/2016/02/Final-Fantasy-XV-4K-Wallpaper.jpg);
   background-position-x: center;
   background-position-y: center;
   background-size: cover;