WP-protect site with pass

gistfile1.php

<?php
/*
Plugin Name: Admin Only Sections
Plugin URI: http://jorgerodriguez.dk/
Description: Block non admin users
Version: 1.0.3
Author: Jorge Rodriguez (jycr753)
Author URI:  http://jorgerodriguez.dk/
*/
$wpba_required_capability = 'edit_others_posts';
$wpba_redirect_to = '';

if (defined('WPBA_REQUIRED_CAPABILITY'))
	$wpba_required_capability = WPBA_REQUIRED_CAPABILITY;
if (defined('WPBA_REDIRECT_TO'))
	$wpba_redirect_to = WPBA_REDIRECT_TO;

if (!function_exists('wpba_init')) {
	
	function wpba_init() {
		global $wpba_required_capability, $wpba_redirect_to;
		
		if (stripos($_SERVER['REQUEST_URI'],'/wp-admin/') !== false && stripos($_SERVER['REQUEST_URI'],'async-upload.php') == false && stripos($_SERVER['REQUEST_URI'],'admin-ajax.php') == false){
			if (!current_user_can($wpba_required_capability)) {
				if ($wpba_redirect_to == '') { $wpba_redirect_to = get_option('home'); }
				// die("eeror");
				wp_redirect(home_url()); exit;
			}
		}
	}
}
add_action('init','wpba_init',0);

add_action( 'parse_request', 'dmk_redirect_to_login_if_not_logged_in', 1 );

function dmk_redirect_to_login_if_not_logged_in() {
	is_user_logged_in() || auth_redirect();
}


add_filter( 'login_url', 'dmk_strip_loggedout', 1, 1 );

function dmk_strip_loggedout( $login_url ) {
	return str_replace( '%3Floggedout%3Dtrue', '', $login_url );
}
show_admin_bar(false);
?>