Classes
class	ReCaptchaResponse

Functions
	_recaptcha_aes_encrypt ($val, $ky)

	_recaptcha_aes_pad ($val)

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

	_recaptcha_mailhide_email_parts ($email)

	_recaptcha_mailhide_urlbase64 ($x)

	_recaptcha_qsencode ($data)

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

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

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

	recaptcha_mailhide_html ($pubkey, $privkey, $email)

	recaptcha_mailhide_url ($pubkey, $privkey, $email)

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

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

const	RECAPTCHA_VERIFY_SERVER "www.google.com"

Function Documentation

_recaptcha_aes_encrypt	(	$val,
		$ky
	)

Definition at line 214 of file recaptchalib.php.

References _recaptcha_aes_pad().

Referenced by recaptcha_mailhide_url().

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_recaptcha_aes_pad ( $val )

Definition at line 206 of file recaptchalib.php.

Referenced by _recaptcha_aes_encrypt().

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_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

Definition at line 67 of file recaptchalib.php.

References $response, and _recaptcha_qsencode().

Referenced by recaptcha_check_answer().

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_recaptcha_mailhide_email_parts ( $email )

Definition at line 248 of file recaptchalib.php.

References $email.

Referenced by recaptcha_mailhide_html().

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_recaptcha_mailhide_urlbase64 ( $x )

Definition at line 225 of file recaptchalib.php.

Referenced by recaptcha_mailhide_url().

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_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

Definition at line 47 of file recaptchalib.php.

Referenced by _recaptcha_http_post(), and recaptcha_get_signup_url().

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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

Definition at line 152 of file recaptchalib.php.

References $response, _recaptcha_http_post(), and RECAPTCHA_VERIFY_SERVER.

Referenced by XoopsCaptchaRecaptcha\verify().

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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.

Definition at line 106 of file recaptchalib.php.

References $error, RECAPTCHA_API_SECURE_SERVER, and RECAPTCHA_API_SERVER.

Referenced by XoopsCaptchaRecaptcha\render().

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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