Wordpress Theme-based Camouflage

functions.php

<?

/**
 *  'Fix' Stylesheet URLs
 */

function intranet_short_css($args = '') {
  $parts = explode('/', $args);
	return '/css/'.$parts[count($parts)-1];
	// return '/css/'.$args[0];
}
add_action('stylesheet_uri', 'intranet_short_css');


/** 
 * 'Fix' attachment links
 */
function intranet_attachment_link($url, $id) {
	return str_replace('/wp-content/', '/content/', wp_get_attachment_url($id));
}
add_filter('attachment_link', 'intranet_attachment_link');

function intranet_upload_url()
{
    return '/content/uploads';
}
add_filter( 'pre_option_upload_url_path', 'intranet_upload_url' );

/**
 * Get rid of the Wordpress Footer
 */
function intranet_dashboard_footer () {
	
}
add_filter('admin_footer_text', 'intranet_dashboard_footer ');

/**
 * Add custom .htaccess rules
 */
function intranet_add_rewrites($content) {
  $theme_name = next(explode('/themes/', get_stylesheet_directory()));
  global $wp_rewrite;
  $intranet_new_non_wp_rules = array(
    'css/(.*)'      => 'wp-content/themes/'. $theme_name . '/css/$1',
    'js/(.*)'       => 'wp-content/themes/'. $theme_name . '/js/$1',
    'images/(.*)'      => 'wp-content/themes/'. $theme_name . '/images/$1',
    'admin/(.*)'    => 'wp-admin/$1',
  );
  $wp_rewrite->non_wp_rules += $intranet_new_non_wp_rules;
}

add_action('generate_rewrite_rules', 'intranet_add_rewrites');

/**
 * Remove unnecessary actions
 */
remove_action('wp_head', 'rsd_link');
remove_action('wp_head', 'wlwmanifest_link');
// remove_action('wp_head', 'feed_links');
remove_action('wp_head', 'feed_links_extra');
remove_action('wp_head', 'wp_shortlink_wp_head');
remove_action('wp_head', 'rel_canonical');
remove_action('wp_head', 'wp_generator');

/**
 * Disable Wordpress Core update notification
 */
function hide_wp_update_nag() {
    remove_action( 'admin_notices', 'update_nag', 3 ); //update notice at the top of the screen
    remove_filter( 'update_footer', 'core_update_footer' ); //update notice in the footer
}
add_action('admin_menu','hide_wp_update_nag');