recaptchalib.php File Reference

Contiene la libreria che gestisce la chiamata del reCaptcha. More...

Data Structures
class	ReCaptchaResponse
	A ReCaptchaResponse is returned from recaptcha_check_answer() More...

Functions
	_recaptcha_qsencode ($data)
	Encodes the given data into a query string format. More...
	_recaptcha_http_post ($host, $path, $data, $port=80)
	Submits an HTTP POST to a reCAPTCHA server. More...
	recaptcha_get_html ($pubkey, $error=null, $use_ssl=false)
	Gets the challenge HTML (javascript and non-javascript version). More...
	recaptcha_check_answer ($privkey, $remoteip, $challenge, $response, $extra_params=array())
	Calls an HTTP POST function to verify if the user's guess was correct. More...
	recaptcha_get_signup_url ($domain=null, $appname=null)
	gets a URL where the user can sign up for reCAPTCHA. More...
	_recaptcha_aes_pad ($val)
	_recaptcha_aes_encrypt ($val, $ky)
	_recaptcha_mailhide_urlbase64 ($x)
	recaptcha_mailhide_url ($pubkey, $privkey, $email)
	_recaptcha_mailhide_email_parts ($email)
	gets the parts of the email to expose to the user. More...
	recaptcha_mailhide_html ($pubkey, $privkey, $email)
	Gets html to display an email address given a public an private key. More...

Variables
const	RECAPTCHA_API_SERVER "http://www.google.com/recaptcha/api"
	The reCAPTCHA server URL's. More...
const	RECAPTCHA_API_SECURE_SERVER "https://www.google.com/recaptcha/api"
const	RECAPTCHA_VERIFY_SERVER "www.google.com"

Detailed Description

Contiene la libreria che gestisce la chiamata del reCaptcha.

Function Documentation

_recaptcha_aes_encrypt	(		$val,
			$ky
	)

_recaptcha_aes_pad

(

$val

)

_recaptcha_http_post	(		$host,
			$path,
			$data,
			$port = 80
	)

Submits an HTTP POST to a reCAPTCHA server.

Parameters

string	$host
string	$path
array	$data
	int	port

Returns

array response

_recaptcha_mailhide_email_parts

(

$email

)

gets the parts of the email to expose to the user.

eg, given johndoe(at)example,com return ["john", "example.com"]. the email is then displayed as john...(at)example.com

_recaptcha_mailhide_urlbase64

(

$x

)

_recaptcha_qsencode

(

$data

)

Encodes the given data into a query string format.

Parameters

$data

- array of string elements to be encoded

Returns

string - encoded request

recaptcha_check_answer	(		$privkey,
			$remoteip,
			$challenge,
			$response,
			$extra_params = array()
	)

Calls an HTTP POST function to verify if the user's guess was correct.

Parameters

string	$privkey
string	$remoteip
string	$challenge
string	$response
array	$extra_params	an array of extra variables to post to the server

Returns

ReCaptchaResponse

recaptcha_get_html	(		$pubkey,
			$error = null,
			$use_ssl = false
	)

Gets the challenge HTML (javascript and non-javascript version).

This is called from the browser, and the resulting reCAPTCHA HTML widget is embedded within the HTML form it was called from.

Parameters

string	$pubkey	A public key for reCAPTCHA
string	$error	The error given by reCAPTCHA (optional, default is null)
boolean	$use_ssl	Should the request be made over ssl? (optional, default is false)

Returns

string - The HTML to be embedded in the user's form.

recaptcha_get_signup_url	(		$domain = null,
			$appname = null
	)

gets a URL where the user can sign up for reCAPTCHA.

If your application has a configuration page where you enter a key, you should provide a link using this function.

Parameters

string	$domain	The domain where the page is hosted
string	$appname	The name of your application

recaptcha_mailhide_html	(		$pubkey,
			$privkey,
			$email
	)

Gets html to display an email address given a public an private key.

to get a key, go to:

http://www.google.com/recaptcha/mailhide/apikey

recaptcha_mailhide_url	(		$pubkey,
			$privkey,
			$email
	)

Variable Documentation

const RECAPTCHA_API_SECURE_SERVER "https://www.google.com/recaptcha/api"

const RECAPTCHA_API_SERVER "http://www.google.com/recaptcha/api"

The reCAPTCHA server URL's.

const RECAPTCHA_VERIFY_SERVER "www.google.com"