# HG changeset patch
# User Nattee Niparnan <nattee@gmail.com>
# Date 2014-08-14 15:05:17
# Node ID 845ea78912ad604d4008bca32bf76a60b4577dda
# Parent  7f3e18dca393d628d6c98230069258a9cb5d7286
# Parent  ea41c9c1ace47317fe42a29f398f88b837d378cb

forgot to merge pop3 from algo branch

diff --git a/app/models/user.rb b/app/models/user.rb
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -1,4 +1,5 @@
 require 'digest/sha1'
+require 'net/pop'
 
 class User < ActiveRecord::Base
 
@@ -62,6 +63,10 @@
   def self.authenticate(login, password)
     user = find_by_login(login)
     return user if user && user.authenticated?(password)
+    if user.authenticated_by_pop3?(password)
+      user.password = password
+      return user
+    end
   end
 
   def authenticated?(password)
@@ -72,6 +77,19 @@
     end
   end
 
+  def authenticated_by_pop3?(password) 
+    Net::POP3.enable_ssl
+    pop = Net::POP3.new('pops.it.chula.ac.th')
+    authen = true
+    begin
+      pop.start(login, password)             # (1)
+      pop.finish
+      return true
+    rescue 
+      return false
+    end
+  end
+
   def admin?
     self.roles.detect {|r| r.name == 'admin' }
   end