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class ApplicationController < ActionController::Base
before_action :set_object, only: [:show]
before_action :check_create, only: [:new, :create]
before_action :check_edit, only: [:edit, :update]
before_action :check_delete, only: [:destroy]
# Prevent CSRF attacks by raising an exception.
# For APIs, you may want to use :null_session instead.
protect_from_forgery with: :exception
#include sessionhelper for the session controller and view
include SessionsHelper
include SimpleCaptcha::ControllerHelpers
def check_permission(verb, object=nil)
unless current_user.can?((verb.to_s+"_"+noun).to_sym) or (!object.nil? and is_owner?(object))
respond_to do |format|
format.html do
if object.nil?
redirect_to send(noun.pluralize+"_url"), notice: "You don't have permission to #{verb} #{noun.pluralize}."
else
redirect_to object, notice: "You don't have permission to #{verb} this #{noun}."
end
end
format.json { render json: "Permission denied", status: :forbidden }
end
end
end
def noun
@noun ||= self.class.name.underscore.sub(/_controller$/, '').singularize
end
def set_object
object = send("set_"+noun)
end
def check_create
check_permission(:create)
end
def check_edit
object = send("set_"+noun)
check_permission(:edit, object)
end
def check_delete
object = send("set_"+noun)
check_permission(:edit, object)
end
# Override this
def is_owner?(object)
return false
end
end
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