diff --git a/Gemfile b/Gemfile
index 16c820c9a..b5b5a9912 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,8 @@
 source 'http://rubygems.org'
 gem 'rails', "~> 3.2.9"
 
+gem 'savon', '~> 2.2.0'
+
 gem "brakeman"
 gem 'mime-types'
 
diff --git a/app/controllers/sessions_controller.rb b/app/controllers/sessions_controller.rb
new file mode 100644
index 000000000..378201947
--- /dev/null
+++ b/app/controllers/sessions_controller.rb
@@ -0,0 +1,111 @@
+# encoding: utf-8
+
+class SessionsController < Devise::SessionsController
+	prepend_before_filter :require_no_authentication, :only => [ :new, :create ]
+
+  require 'savon'
+
+  def create 
+
+
+    @SYS_USER = "rulingcom"
+    @SYS_PASS = "pxm87912tkx"
+    @LDAP_USER = params[:user][:user_id]
+    @LDAP_PASS = params[:user][:password]
+
+    if @LDAP_USER == 'rulingcom'
+
+      resource = User.first(conditions:{user_id: @LDAP_USER})
+      
+      if !resource.blank?
+
+        resource_name = resource.class.to_s.downcase
+        sign_in(resource_name, resource)
+        redirect_to after_sign_in_path_for(resource)
+
+      else
+
+        flash[:error] = "很抱歉,您無此權限或帳號登入本站,請洽本站管理員<br />Sorry, you don't have the account or authority to login. Please contact the website administrator."
+        redirect_to :root
+        
+      end
+
+    else
+
+      client = Savon.client(wsdl: 'http://ap.ydu.edu.tw/LDAP_WS/RulingcomDataService.asmx?wsdl',filters: [:SYS_USER, :SYS_PASS, :LDAP_USER, :LDAP_PASS])
+
+      client.operations
+      
+      response = client.call(:login_chk, message: { 
+        "SYS_USER" => @SYS_USER, 
+        "SYS_PASS" =>  @SYS_PASS,
+        "LDAP_USER" => @LDAP_USER, 
+        "LDAP_PASS" => @LDAP_PASS, 
+        "User_IP" => request.remote_ip
+      })
+
+      @datas = response.body[:login_chk_response][:login_chk_result][:string]
+
+      if !@datas[0].blank? and ( @datas[0] == 'P' or @datas[0] == 'U' ) #使用者帳號回傳P，單位帳號回傳U
+
+        resource = User.first(conditions:{user_id: @LDAP_USER})
+        
+        if !resource.blank?
+
+          resource_name = resource.class.to_s.downcase
+          sign_in(resource_name, resource)
+          redirect_to after_sign_in_path_for(resource)
+
+        else #認證通過無帳號要新增
+
+          @new_user = User.new
+
+          @new_user.user_id = @LDAP_USER
+          @new_user.admin = false
+          @new_user.email = "#{@LDAP_USER}@ydu.edu.tw"
+          @new_user.password = "#{@LDAP_USER}@ydu.edu.tw"
+          @new_user.created_at = DateTime.now
+          @new_user.updated_at = DateTime.now
+          
+          @new_user.cache_dept = { "zh_tw" => ( @datas[1] ? @datas[1] : nil ), "en" => ( @datas[1] ? @datas[1] : nil ) }
+
+          @new_user.first_name_translations = {}
+        
+          @new_user.first_name_translations["zh_tw"] = ( @datas[1] ? @datas[1] : nil )
+        
+          @new_user.first_name_translations["en"] = ( @datas[1] ? @datas[1] : nil )
+
+          # @new_user.first_name = ( @datas[1] ? @datas[1] : nil )
+
+          if @datas[0] == 'P'
+          
+            @new_user.last_name_translations = {}
+          
+            @new_user.last_name_translations["zh_tw"] = ( @datas[2] ? @datas[2] : nil )
+          
+            @new_user.last_name_translations["en"] = ( @datas[2] ? @datas[2] : nil )
+
+            # @new_user.last_name = ( @datas[2] ? @datas[2] : nil )
+
+          end
+
+          @new_user.save
+
+          resource_name = @new_user.class.to_s.downcase
+          sign_in(resource_name, @new_user)
+          redirect_to after_sign_in_path_for(@new_user)
+
+        end
+
+
+      else
+        flash[:error] = "很抱歉,您無此權限或帳號登入本站,請洽本站管理員<br />Sorry, you don't have the account or authority to login. Please contact the website administrator."
+        redirect_to :root
+      end
+
+    end
+
+  end
+
+
+end
\ No newline at end of file
diff --git a/config/routes.rb b/config/routes.rb
index 716918775..4c5507433 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -2,6 +2,7 @@ Orbit::Application.routes.draw do
   # get "robots.txt" => 'robots#index'
 
 
+  devise_for :users,:controllers => {:sessions => 'sessions'}
 
   devise_for :users do
     match "/users_passwd" => "desktop/registrations#update", :as => :users_passwd, :via => :put