# Untested

my %permissions_for = ('adam' => {'alpha' => 1, 'beta' => 1, },
                       'bart' => {'alpha' => 1, 'beta' => 0, },
                       'cece' => {'alpha' => 0, 'beta' => 1, ),
                      ); 

{
  my $account = 'adam';
  my $access  = 'beta';

  if ($permissions_for{$account}{$access}) {
    showcontent(1);
    showcontent(2);
  }
}