security_manager.rb

security_manager.rb

require 'haml'
require 'java'
class JRubySecurityManager < java.lang.SecurityManager

  def checkPermission(perm)
    puts perm.inspect
    #puts perm
  end

  #def checkWrite(f)
    #puts f
  #end

end

java.lang.reflect.ReflectPermission


i = "%pre=`ls al`"

require 'timeout'

begin
status = Timeout::timeout(1) {
  begin
    thread = Thread.new {
      java.lang.System.setSecurityManager(JRubySecurityManager.new)
      Thread.current[:out] = Haml::Engine.new(i).render
      java.lang.System.setSecurityManager(nil)
    }

    thread.join
    puts thread[:out]
  rescue SecurityError => e
    puts e
  end
}
rescue TimeoutError => e
  puts e
end