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<?php
/**
* Captcha class using the reCAPTCHA widget.
* Stop Spam. Read Books.
*
* @addtogroup Extensions
* @author Mike Crawford <mike.crawford@gmail.com>
* @copyright Copyright (c) 2007 reCAPTCHA -- http://recaptcha.net
* @licence MIT/X11
*/
if ( !defined( 'MEDIAWIKI' ) ) {
exit;
}
require_once dirname( __FILE__ ) . '/ConfirmEdit.php';
$wgCaptchaClass = 'ReCaptcha';
$dir = dirname( __FILE__ );
$wgExtensionMessagesFiles['ReCaptcha'] = $dir . '/ReCaptcha.i18n.php';
$wgAutoloadClasses['ReCaptcha'] = $dir . '/ReCaptcha.class.php';
require_once( 'recaptchalib.php' );
// Set these in LocalSettings.php
$wgReCaptchaPublicKey = '';
$wgReCaptchaPrivateKey = '';
// For backwards compatibility
$recaptcha_public_key = '';
$recaptcha_private_key = '';
/**
* Sets the theme for ReCaptcha
*
* See http://code.google.com/apis/recaptcha/docs/customization.html
*/
$wgReCaptchaTheme = 'red';
$wgExtensionFunctions[] = 'efReCaptcha';
/**
* Make sure the keys are defined.
*/
function efReCaptcha() {
global $wgReCaptchaPublicKey, $wgReCaptchaPrivateKey;
global $recaptcha_public_key, $recaptcha_private_key;
global $wgServerName;
// Backwards compatibility
if ( $wgReCaptchaPublicKey == '' ) {
$wgReCaptchaPublicKey = $recaptcha_public_key;
}
if ( $wgReCaptchaPrivateKey == '' ) {
$wgReCaptchaPrivateKey = $recaptcha_private_key;
}
if ( $wgReCaptchaPublicKey == '' || $wgReCaptchaPrivateKey == '' ) {
die ( 'You need to set $wgReCaptchaPrivateKey and $wgReCaptchaPublicKey in LocalSettings.php to ' .
"use the reCAPTCHA plugin. You can sign up for a key <a href='" .
htmlentities( recaptcha_get_signup_url ( $wgServerName, "mediawiki" ) ) . "'>here</a>." );
}
}
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