Basic user authentication page and provider support

app/assets/javascripts/user/app/routes/application_route.js.coffee.erb

@@ -13,9 +13,26 @@ App.ApplicationRoute = Ember.Route.extend
   unauthorized: ->
     Qstorage.setItem('auth_token', '')
     @controllerFor('application').set 'list', null
-    App.obtain_token(t('messages.unauthorized'))
+    @send 'obtain_token'
     @controllerFor('application').redirect_to 'index', message: 'unauthorized'
+
+  handleAuthInfo: (user_id, auth_token)->
+    Qstorage.setItem 'user_id', user_id
+    Qstorage.setItem 'auth_token', auth_token
+    controller = @controllerFor('application')
+    controller.setCurrentList()
+    controller.set 'notice', t('messages.authenticated')
   actions:
+    obtain_token: ( options = {} ) ->
+      provider = options.provider || 'facebook'
+      auth_win = window.open "#{$obtain_token_url}?provider=#{provider}", "_blank", "location=no"
+      auth_win.addEventListener "loadstart", (event)=>
+        if event.url.match 'close_window'
+          user_id = event.url.match(/user_id=([\w+-]+)/)[1]
+          auth_token = event.url.match(/authentication_token=([\w-]+)/)[1]
+          @handleAuthInfo(user_id, auth_token)
+          auth_win.close()
+      true
     openModal: (modalName, model)->
       @controllerFor(modalName).set('model', model)
       @render modalName,
@@ -102,6 +119,7 @@ App.ApplicationRoute = Ember.Route.extend
             message = 'general_error'
           appcontroller.redirect_to 'index', message: message
     scanQr: ->
+      return @transitionTo('sign_in') unless Qstorage.getItem('auth_token')
 <% if Rails.env.user_app? %>
       ar = @
       scanner = cordova.require("cordova/plugin/BarcodeScanner")