getCode() ) );
$output = Html::element( 'div', [
'class' => [
'cf-turnstile',
'mw-confirmedit-captcha-fail' => (bool)$this->error,
],
'data-sitekey' => $wgTurnstileSiteKey
] );
return [
'html' => $output,
'headitems' => [
// Insert the Turnstile script, in display language, if available.
// Language falls back to the browser's display language.
// See https://developers.cloudflare.com/turnstile/reference/supported-languages/
""
]
];
}
/** @inheritDoc */
public static function getCSPUrls() {
return [ 'https://challenges.cloudflare.com/turnstile/v0/api.js' ];
}
/**
* @param Status|array|string $info
*/
protected function logCheckError( $info ) {
if ( $info instanceof Status ) {
$errors = $info->getErrorsArray();
$error = $errors[0][0];
} elseif ( is_array( $info ) ) {
$error = implode( ',', $info );
} else {
$error = $info;
}
wfDebugLog( 'captcha', 'Unable to validate response: ' . $error );
}
/**
* @param WebRequest $request
* @return array
*/
protected function getCaptchaParamsFromRequest( WebRequest $request ) {
// Turnstile combines captcha ID + solution into a single value
// API is hardwired to return captchaWord, so use that if the standard isempty
// "captchaWord" is sent as "captchaword" by visual editor
$index = 'not used';
$response = $request->getVal(
'cf-turnstile-response',
$request->getVal( 'captchaWord', $request->getVal( 'captchaword' ) )
);
return [ $index, $response ];
}
/**
* Check if the user solved the captcha.
*
* Based on reference implementation:
* https://developers.cloudflare.com/turnstile/get-started/server-side-validation/
*
* @param mixed $_ Not used
* @param string $word captcha solution
* @return bool
*/
protected function passCaptcha( $_, $word ) {
global $wgRequest, $wgTurnstileSecretKey, $wgTurnstileSendRemoteIP;
$url = 'https://challenges.cloudflare.com/turnstile/v0/siteverify';
// Build data to append to request
$data = [
'secret' => $wgTurnstileSecretKey,
'response' => $word,
];
if ( $wgTurnstileSendRemoteIP ) {
$data['remoteip'] = $wgRequest->getIP();
}
$request = MediaWikiServices::getInstance()->getHttpRequestFactory()
->create( $url, [ 'method' => 'POST' ], __METHOD__ );
$request->setData( $data );
$status = $request->execute();
if ( !$status->isOK() ) {
$this->error = 'http';
$this->logCheckError( $status );
return false;
}
$response = FormatJson::decode( $request->getContent(), true );
if ( !$response ) {
$this->error = 'json';
$this->logCheckError( $this->error );
return false;
}
// Turnstile always returns the "error-codes" array, so we should just
// check whether it is empty or not.
if ( !empty( $response['error-codes'] ) ) {
$this->error = 'turnstile-api';
$this->logCheckError( $response['error-codes'] );
return false;
}
return $response['success'];
}
/** @inheritDoc */
protected function addCaptchaAPI( &$resultArr ) {
$resultArr['captcha'] = $this->describeCaptchaType();
$resultArr['captcha']['error'] = $this->error;
}
/** @inheritDoc */
public function describeCaptchaType() {
global $wgTurnstileSiteKey;
return [
'type' => 'turnstile',
'mime' => 'application/javascript',
'key' => $wgTurnstileSiteKey,
];
}
/**
* Show a message asking the user to enter a captcha on edit
* The result will be treated as wiki text
*
* @param string $action Action being performed
* @return Message
*/
public function getMessage( $action ) {
$msg = parent::getMessage( $action );
if ( $this->error ) {
$msg = new RawMessage( '$1
', [ $msg ] );
}
return $msg;
}
/**
* @param ApiBase $module
* @param array &$params
* @param int $flags
* @return bool
*/
public function apiGetAllowedParams( ApiBase $module, &$params, $flags ) {
if ( $flags && $this->isAPICaptchaModule( $module ) ) {
$params['cf-turnstile-response'] = [
ApiBase::PARAM_HELP_MSG => 'turnstile-apihelp-param-cf-turnstile-response',
];
}
return true;
}
/** @inheritDoc */
public function getError() {
return $this->error;
}
/** @inheritDoc */
public function storeCaptcha( $info ) {
return 'not used';
}
/** @inheritDoc */
public function retrieveCaptcha( $index ) {
// Pretend it worked
return [ 'index' => $index ];
}
/** @inheritDoc */
public function getCaptcha() {
// Turnstile is handled by frontend code + an external provider; nothing to do here.
return [];
}
/**
* @return TurnstileAuthenticationRequest
*/
public function createAuthenticationRequest() {
return new TurnstileAuthenticationRequest();
}
/**
* @param array $requests
* @param array $fieldInfo
* @param array &$formDescriptor
* @param string $action
*/
public function onAuthChangeFormFields(
array $requests, array $fieldInfo, array &$formDescriptor, $action
) {
global $wgTurnstileSiteKey;
$req = AuthenticationRequest::getRequestByClass( $requests,
CaptchaAuthenticationRequest::class, true );
if ( !$req ) {
return;
}
// ugly way to retrieve error information
$captcha = Hooks::getInstance();
$formDescriptor['captchaWord'] = [
'class' => HTMLTurnstileField::class,
'key' => $wgTurnstileSiteKey,
'error' => $captcha->getError(),
] + $formDescriptor['captchaWord'];
}
}