cafe-grader-web Commit - r852:41c96ab8e589

cafe-grader-web

Commit `r852:41c96ab8e589` public

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Description:

use uuid cookie

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r852:41c96ab8e589 - Thu, 03 Feb 2022 17:22:51 - 2 files changed: 19 inserted, 1 deleted

app/controllers/application_controller.rb ¶ +8

               require 'ipaddr'
+            + require "securerandom"
               class ApplicationController < ActionController::Base
                 protect_from_forgery
                 before_action :current_user
                 before_action :nav_announcement
+            +   before_action :unique_visitor_id
                 SINGLE_USER_MODE_CONF_KEY = 'system.single_user_mode'
                 MULTIPLE_IP_LOGIN_CONF_KEY = 'right.multiple_ip_login'
                 WHITELIST_IGNORE_CONF_KEY = 'right.whitelist_ignore'
                 WHITELIST_IP_CONF_KEY = 'right.whitelist_ip'
                 #report and redirect for unauthorized activities
                 def unauthorized_redirect(notice = 'You are not authorized to view the page you requested')
                   flash[:notice] = notice
                   redirect_to login_main_path
                 end
                 # Returns the current logged-in user (if any).
                 def current_user
                   return nil unless session[:user_id]
                   @current_user ||= User.find(session[:user_id])
                 end
                 def nav_announcement
                   @nav_announcement = Announcement.where(on_nav_bar: true)
                 end
                 def admin_authorization
                   return false unless check_valid_login
                   user = User.includes(:roles).find(session[:user_id])
                   unless user.admin?
                     unauthorized_redirect
                     return false
                   end
                   return true
                 end
                 def authorization_by_roles(allowed_roles)
                   return false unless check_valid_login
                   unless @current_user.roles.detect { |role| allowed_roles.member?(role.name) }
                     unauthorized_redirect
                     return false
                   end
                 end
                 def testcase_authorization
                   #admin always has privileged
                   if @current_user.admin?
                     return true
                   end
                   unauthorized_redirect unless GraderConfiguration["right.view_testcase"]
                 end
+            +   def unique_visitor_id
+            +     unless cookies[:uuid]
+            +       value = SecureRandom.uuid
+            +       cookies[:uuid] = { value: value, expires: 20.year }
+            +     end
+            +   end
                 protected
                 #redirect to root (and also force logout)
                 #if the user is not logged_in or the system is in "ADMIN ONLY" mode
                 def check_valid_login
                   #check if logged in
                   unless session[:user_id]
                     if GraderConfiguration[SINGLE_USER_MODE_CONF_KEY]
                       unauthorized_redirect('You need to login but you cannot log in at this time')
                     else
                       unauthorized_redirect('You need to login')
                     end
                     return false
                   end
                   # check if run in single user mode
                   if GraderConfiguration[SINGLE_USER_MODE_CONF_KEY]
                     if @current_user==nil || (!@current_user.admin?)
                       unauthorized_redirect('You cannot log in at this time')
                       return false
                     end
                   end
                   # check if the user is enabled
                   unless @current_user.enabled? || @current_user.admin?
                     unauthorized_redirect 'Your account is disabled'
                     return false
                   end
                   # check if user ip is allowed
                   unless @current_user.admin? || GraderConfiguration[WHITELIST_IGNORE_CONF_KEY]
                     unless is_request_ip_allowed?
                       unauthorized_redirect 'Your IP is not allowed to login at this time.'
                       return false
                     end
                   end
                   if GraderConfiguration.multicontests?
                     return true if @current_user.admin?
                     begin
                       if @current_user.contest_stat(true).forced_logout
                         flash[:notice] = 'You have been automatically logged out.'
                         redirect_to :controller => 'main', :action => 'index'
                       end
                     rescue
                     end
                   end
                   return true
                 end
                 #redirect to root (and also force logout)
                 #if the user use different ip from the previous connection
                 #  only applicable when MULTIPLE_IP_LOGIN options is false only
                 def authenticate_by_ip_address
                   #this assume that we have already authenticate normally
                   unless GraderConfiguration[MULTIPLE_IP_LOGIN_CONF_KEY]
                     user = User.find(session[:user_id])
                     if (!user.admin? && user.last_ip && user.last_ip != request.remote_ip)
                       flash[:notice] = "You cannot use the system from #{request.remote_ip}. Your last ip is #{user.last_ip}"
                       redirect_to :controller => 'main', :action => 'login'
                       return false
                     end
                     unless user.last_ip
                       user.last_ip = request.remote_ip
                       user.save
                     end
                   end
                   return true
                 end
                 def authorization
                   return false unless check_valid_login
                   user = User.find(session[:user_id])
                   unless user.roles.detect { |role|
                       role.rights.detect{ |right|
                         right.controller == self.class.controller_name and
                           (right.action == 'all' || right.action == action_name)
                       }
                     }
                     flash[:notice] = 'You are not authorized to view the page you requested'
                     #request.env['HTTP_REFERER'] ? (redirect_to :back) : (redirect_to :controller => 'login')
                     redirect_to :controller => 'main', :action => 'login'
                     return false
                   end
                 end
                 def verify_time_limit
                   return true if session[:user_id]==nil
                   user = User.find(session[:user_id], :include => :site)
                   return true if user==nil || user.site == nil
                   if user.contest_finished?
                     flash[:notice] = 'Error: the contest you are participating is over.'
                     redirect_to :back
                     return false
                   end
                   return true
                 end
                 def is_request_ip_allowed?
                   unless GraderConfiguration[WHITELIST_IGNORE_CONF_KEY]
                     user_ip = IPAddr.new(request.remote_ip)
                     allowed = GraderConfiguration[WHITELIST_IP_CONF_KEY] || ''
                     allowed.delete(' ').split(',').each do |ips|
                       allow_ips = IPAddr.new(ips)
                       if allow_ips.include?(user_ip)
                         return true
                       end
                     end
                     return false
                   end
                   return true
                 end
                 #function for datatable ajax query
                 #return record,total_count,filter_count
                 def process_query_record(record,
                                          total_count: nil,
                                          select: '',
                                          global_search: [],
                                          no_search: false,
                                          force_order: '',
                                          date_filter: '', date_param_since: 'date_since',date_param_until: 'date_until',
                                          hard_limit: nil)
                   arel_table = record.model.arel_table
                   if !no_search && params['search']
                     global_value = record.model.sanitize_sql(params['search']['value'].strip.downcase)
                     if !global_value.blank?
                       global_value.split.each do |value|
                         global_where = global_search.map{|f| "LOWER(#{f}) like '%#{value}%'"}.join(' OR ')
                         record = record.where(global_where)
                       end
                     end
                     params['columns'].each do |i, col|
                       if !col['search']['value'].blank?
                         record = record.where(arel_table[col['name']].lower.matches("%#{col['search']['value'].strip.downcase}%"))
                       end
                     end
                   end
                   if !date_filter.blank?
                     param_since = params[date_param_since]
                     param_until = params[date_param_until]
                     date_since = Time.zone.parse( param_since ) || Time.new(1,1,1) rescue Time.new(1,1,1)
                     date_until = Time.zone.parse( param_until ) || Time.zone.now() rescue Time.zone.now()
                     date_range = date_since..(date_until.end_of_day)
                     record = record.where(date_filter.to_sym => date_range)
                   end
                   if force_order.blank?
                     if params['order']
                       params['order'].each do |i, o|
                         colName = params['columns'][o['column']]['name']
                         colName = "#{record.model.table_name}.#{colName}" if colName.upcase == 'ID'
                         record = record.order("#{colName} #{o['dir'].casecmp('desc') != 0 ? 'ASC' : 'DESC'}") unless colName.blank?
                       end
                     end
                   else
                     record = record.order(force_order)
                   end
                   filterCount = record.count(record.model.primary_key)
                   # if .group() is used, filterCount might be like {id_1: count_1, id_2: count_2, ...}
                   # so we should count the result again..
                   if filterCount.is_a? Hash
                     filterCount = filterCount.count
                   end
                   record = record.offset(params['start'] || 0)
                   record = record.limit(hard_limit)
                   if (params['length'])
                     limit = params['length'].to_i
                     limit == hard_limit if (hard_limit && hard_limit < limit)
                     record = record.limit(limit)
                   end
                   if (!select.blank?)
                     record = record.select(select)
                   end
                   return record, total_count || record.model.count, filterCount
                 end
               end

app/controllers/login_controller.rb ¶ +11 -1

               class LoginController < ApplicationController
                 @@authenticators = []
                 def index
                   # show login screen
                   reset_session
                   redirect_to :controller => 'main', :action => 'login'
                 end
                 def login
                   user = get_authenticated_user(params[:login], params[:password])
                   unless user
                     flash[:notice] = 'Wrong password'
                     redirect_to :controller => 'main', :action => 'login'
                     return
                   end
                   if (!GraderConfiguration['right.bypass_agreement']) and (!params[:accept_agree]) and !user.admin?
                     flash[:notice] = 'You must accept the agreement before logging in'
                     redirect_to :controller => 'main', :action => 'login'
                     return
                   end
+            +     #store uuid when login
+            +     if user.last_ip.nil?
+            +       user.last_ip = cookies[:uuid]
+            +     else
+            +       if user.last_ip != cookies[:uuid]
+            +         user.last_ip =cookies[:uuid]
+            +         #log different login
+            +       end
+            +     end
+            +
                   #process logging in
                   session[:user_id] = user.id
                   session[:admin] = user.admin?
                   # clear forced logout flag for multicontests contest change
                   if GraderConfiguration.multicontests?
                     contest_stat = user.contest_stat
                     if contest_stat.respond_to? :forced_logout
                       if contest_stat.forced_logout
                         contest_stat.forced_logout = false
                         contest_stat.save
                       end
                     end
                   end
                   #save login information
-            -     Login.create(user_id: user.id, ip_address: request.remote_ip)
+            +     Login.create(user_id: user.id, ip_address: cookies[:uuid])
                   redirect_to :controller => 'main', :action => 'list'
                 end
                 def site_login
                   begin
                     site = Site.find(params[:login][:site_id])
                   rescue ActiveRecord::RecordNotFound
                     site = nil
                   end
                   if site==nil
                     flash[:notice] = 'Wrong site'
                     redirect_to :controller => 'main', :action => 'login'  and return
                   end
                   if (site.password) and (site.password == params[:login][:password])
                     session[:site_id] = site.id
                     redirect_to :controller => 'site', :action => 'index'
                   else
                     flash[:notice] = 'Wrong site password'
                     redirect_to :controller => 'site', :action => 'login'
                   end
                 end
                 def logout
                   redirect_to root_path
                 end
                 def self.add_authenticator(authenticator)
                   @@authenticators << authenticator
                 end
                 protected
                 def get_authenticated_user(login, password)
                   if @@authenticators.empty?
                     return User.authenticate(login, password)
                   else
                     user = User.authenticate(login, password)
                     @@authenticators.each do |authenticator|
                       if not user
                         user = authenticator.authenticate(login, password)
                       end
                     end
                     return user
                   end
                 end
               end

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r852:41c96ab8e589 - Thu, 03 Feb 2022 17:22:51 - 2 files changed: 19 inserted, 1 deleted

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r852:41c96ab8e589 - Thu, 03 Feb 2022 17:22:51 - 2 files changed: 19 inserted, 1 deleted

Commit `r852:41c96ab8e589` public