António P. P. Almeida perusio

## gist:1326701
### Testing if the client is a mobile or a desktop.
### The selection is based on the usual UA strings for desktop browsers.

## Testing a user agent using a method that reverts the logic of the
## UA detection. Inspired by notnotmobile.appspot.com.
map $http_user_agent $is_desktop {
    default 0;
    ~*linux.*android|windows\s+(?:ce|phone) 0; # exceptions to the rule
    ~*spider|crawl|slurp|bot 1; # bots
    ~*windows|linux|os\s+x\s*[\d\._]+|solaris|bsd 1; # OSes

## gist:1351069
map $request_uri $cache_valitidy {
  default 5m;
  ~this-regex-uri 2h;
}

## Then do like this in the cache definition:
proxy_cache_valid 200 301 $cache_validity;

## For fastcgi cache.
fastcgi_cache_valid 200 301 $cache_validity;

## murmurhash2.js
function doHash(str, seed) {
  var m = 0x5bd1e995;
  var r = 24;
  var h = seed ^ str.length;
  var length = str.length;
  var currentIndex = 0;

  while (length >= 4) {
    var k = UInt32(str, currentIndex);


## gist:1497464
## Here's the way to have Nginx return a robots.txt file that disallows all crawling by bots.
## This is useful for development and private sites.
location = /robots.txt {
    return 200 "User-agent: *\nDisallow: /\n";
}

## gist:1518163
; Add this to your php.ini. E.g., to /etc/php5/fpm/php.ini (with PHP-FPM on Debian based systems).
; Increase the entropy of your session token. The default setting is 0 (disabled).
session_entropy_length = 32

; OS based random data generator as source for entropy.
session.entropy_file = /dev/urandom

## drupal_uid_header.module
<?php
/**
 * @file   drupal_uid_header.module
 * @author António P. P. Almeida <appa@perusio.net>
 * @date   Tue Dec 27 2011
 *
 * @brief Sets an HTTP header with the UID (Drupal 6).
 *
 */

## pingfcgi.sh
#!/bin/sh
set -e

# Ping FCGI server.  Uses cgi-fcgi program from libfcgi library.
# Retrieves the root path (/) from host:port specified on command line.

if [ -z "$1" ] ; then
    echo "Usage: $0 host:port|path/to/socket" >&2
    exit 1
fi

## sopa_blackout.conf
### Here's a very simple SOPA blackout page.
## Include this at the top of your vhost configuration (server block): 'include /path/to/sopa_blackout.conf;'
error_page 503 @sopa;
return 503;

location @sopa {
    default_type text/html;
    return 503 "<!DOCTYPE html><html><head><meta charset='UTF-8'/><style>body{color: white; background-color: black;}</sytle></head><body><center><h1>We're down due to SOPA blackout!</h1></center></body></html>\n";
}

## gist:1644446
<?php
// Integer division in PHP.
function div($x, $y) {
  if ($x == 0) {
    return 0;
  }
  elseif ($y == 0) {
    return FALSE;
  }
  else {

## special_header_microcache.module
<?php
/**
 * Implements hook_init().
 */
function drupal_microcache_header_init() {
  drupal_add_http_header('X-Accel-Expires', 0);
} // drupal_microcache_header_init
	### Testing if the client is a mobile or a desktop.
	### The selection is based on the usual UA strings for desktop browsers.

	## Testing a user agent using a method that reverts the logic of the
	## UA detection. Inspired by notnotmobile.appspot.com.
	map $http_user_agent $is_desktop {
	default 0;
	~linux.android\|windows\s+(?:ce\|phone) 0; # exceptions to the rule
	~*spider\|crawl\|slurp\|bot 1; # bots
	~windows\|linux\|os\s+x\s[\d\._]+\|solaris\|bsd 1; # OSes
	map $request_uri $cache_valitidy {
	default 5m;
	~this-regex-uri 2h;
	}

	## Then do like this in the cache definition:
	proxy_cache_valid 200 301 $cache_validity;

	## For fastcgi cache.
	fastcgi_cache_valid 200 301 $cache_validity;
	function doHash(str, seed) {
	var m = 0x5bd1e995;
	var r = 24;
	var h = seed ^ str.length;
	var length = str.length;
	var currentIndex = 0;

	while (length >= 4) {
	var k = UInt32(str, currentIndex);
	## Here's the way to have Nginx return a robots.txt file that disallows all crawling by bots.
	## This is useful for development and private sites.
	location = /robots.txt {
	return 200 "User-agent: *\nDisallow: /\n";
	}
	; Add this to your php.ini. E.g., to /etc/php5/fpm/php.ini (with PHP-FPM on Debian based systems).
	; Increase the entropy of your session token. The default setting is 0 (disabled).
	session_entropy_length = 32

	; OS based random data generator as source for entropy.
	session.entropy_file = /dev/urandom
	<?php
	/**
	* @file drupal_uid_header.module
	* @author António P. P. Almeida <appa@perusio.net>
	* @date Tue Dec 27 2011
	*
	* @brief Sets an HTTP header with the UID (Drupal 6).
	*
	*/
	#!/bin/sh
	set -e

	# Ping FCGI server. Uses cgi-fcgi program from libfcgi library.
	# Retrieves the root path (/) from host:port specified on command line.

	if [ -z "$1" ] ; then
	echo "Usage: $0 host:port\|path/to/socket" >&2
	exit 1
	fi
	### Here's a very simple SOPA blackout page.
	## Include this at the top of your vhost configuration (server block): 'include /path/to/sopa_blackout.conf;'
	error_page 503 @sopa;
	return 503;

	location @sopa {
	default_type text/html;
	return 503 "<!DOCTYPE html><html><head><meta charset='UTF-8'/><style>body{color: white; background-color: black;}</sytle></head><body><center><h1>We're down due to SOPA blackout!</h1></center></body></html>\n";
	}
	<?php
	// Integer division in PHP.
	function div($x, $y) {
	if ($x == 0) {
	return 0;
	}
	elseif ($y == 0) {
	return FALSE;
	}
	else {
	<?php
	/**
	* Implements hook_init().
	*/
	function drupal_microcache_header_init() {
	drupal_add_http_header('X-Accel-Expires', 0);
	} // drupal_microcache_header_init