将注释的openi单点登录的代码重新加上

app/controllers/challenges_controller.rb

@@ -2,7 +2,7 @@
 class ChallengesController < ApplicationController
   layout "base_shixun"
   # 如要添加或修改before_filter时，请将handle_openi_request这个before_filter放至第一位
-  # before_filter :handle_openi_request, if: -> { user_login_and_from_openi? }, only: [:index]
+  before_filter :handle_openi_request, if: -> { user_login_and_from_openi? }, only: [:index]
   before_filter :check_authentication, :except => [:index]
   before_filter :find_shixun, :only => [:index, :new, :create, :destroy, :challenge_build, :update_evaluation, :add_choose_question, :new_choose_question,
                                           :choose_type_show, :edit_choose_question, :update_choose_question, :destroy_challenge_choose]

app/controllers/subjects_controller.rb

@@ -2,7 +2,7 @@
 class SubjectsController < ApplicationController
   layout 'base_subject'
   # 如要添加或修改before_filter时，请将handle_openi_request这个before_filter放至第一位
-  # before_filter :handle_openi_request, if: -> { user_login_and_from_openi? }, only: [:show]
+  before_filter :handle_openi_request, if: -> { user_login_and_from_openi? }, only: [:show]
   before_filter :require_login, :except => [:show, :index]
   before_filter :check_authentication, :except => [:show, :index]
   before_filter :find_subject, :except => [:index, :new, :create, :create_subject, :new_subject, :append_to_stage, :send_to_course]