mediawiki-extensions-Confir.../ReCaptchaNoCaptcha/includes/HTMLReCaptchaNoCaptchaField.php

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<?php
/**
* Creates a ReCaptcha v2 widget. Does not return any data; handling the data submitted by the
* widget is callers' responsibility.
*/
class HTMLReCaptchaNoCaptchaField extends HTMLFormField {
/** @var string Public key parameter to be passed to ReCaptcha. */
protected $key;
/** @var string Error returned by ReCaptcha in the previous round. */
protected $error;
/**
* Parameters:
* - key: (string, required) ReCaptcha public key
* - error: (string) ReCaptcha error from previous round
* @param array $params
*/
public function __construct( array $params ) {
$params += [ 'error' => null ];
parent::__construct( $params );
$this->key = $params['key'];
$this->error = $params['error'];
$this->mName = 'g-recaptcha-response';
}
public function getInputHTML( $value ) {
$out = $this->mParent->getOutput();
$lang = htmlspecialchars( urlencode( $this->mParent->getLanguage()->getCode() ) );
// Insert reCAPTCHA script, in display language, if available.
// Language falls back to the browser's display language.
// See https://developers.google.com/recaptcha/docs/faq
$out->addHeadItem(
'g-recaptchascript',
"<script src=\"https://www.google.com/recaptcha/api.js?hl={$lang}\" async defer></script>"
);
$output = Html::element( 'div', [
'class' => [
'g-recaptcha',
'mw-confirmedit-captcha-fail' => (bool)$this->error,
],
'data-sitekey' => $this->key,
] );
$htmlUrlencoded = htmlspecialchars( urlencode( $this->key ) );
$output .= <<<HTML
<noscript>
<div>
<div style="width: 302px; height: 422px; position: relative;">
<div style="width: 302px; height: 422px; position: absolute;">
<iframe src="https://www.google.com/recaptcha/api/fallback?k={$htmlUrlencoded}&hl={$lang}"
frameborder="0" scrolling="no"
style="width: 302px; height:422px; border-style: none;">
</iframe>
</div>
</div>
<div style="width: 300px; height: 60px; border-style: none;
bottom: 12px; left: 25px; margin: 0px; padding: 0px; right: 25px;
background: #f9f9f9; border: 1px solid #c1c1c1; border-radius: 3px;">
<textarea id="g-recaptcha-response" name="g-recaptcha-response"
class="g-recaptcha-response"
style="width: 250px; height: 40px; border: 1px solid #c1c1c1;
margin: 10px 25px; padding: 0px; resize: none;" >
</textarea>
</div>
</div>
</noscript>
HTML;
return $output;
}
}