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diff --git a/www/wiki/extensions/ConfirmEdit/QuestyCaptcha/QuestyCaptcha.class.php b/www/wiki/extensions/ConfirmEdit/QuestyCaptcha/QuestyCaptcha.class.php
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+++ b/www/wiki/extensions/ConfirmEdit/QuestyCaptcha/QuestyCaptcha.class.php
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+<?php
+
+/**
+ * QuestyCaptcha class
+ *
+ * @file
+ * @author Benjamin Lees <emufarmers@gmail.com>
+ * @ingroup Extensions
+ */
+
+use MediaWiki\Auth\AuthenticationRequest;
+
+class QuestyCaptcha extends SimpleCaptcha {
+	// used for questycaptcha-edit, questycaptcha-addurl, questycaptcha-badlogin,
+	// questycaptcha-createaccount, questycaptcha-create, questycaptcha-sendemail via getMessage()
+	protected static $messagePrefix = 'questycaptcha-';
+
+	/**
+	 * Validate a captcha response
+	 * @param string $answer
+	 * @param array $info
+	 * @return bool
+	 */
+	function keyMatch( $answer, $info ) {
+		if ( is_array( $info['answer'] ) ) {
+			return in_array( strtolower( $answer ), array_map( 'strtolower', $info['answer'] ) );
+		} else {
+			return strtolower( $answer ) == strtolower( $info['answer'] );
+		}
+	}
+
+	/**
+	 * @param array &$resultArr
+	 */
+	function addCaptchaAPI( &$resultArr ) {
+		$captcha = $this->getCaptcha();
+		$index = $this->storeCaptcha( $captcha );
+		$resultArr['captcha'] = $this->describeCaptchaType();
+		$resultArr['captcha']['id'] = $index;
+		$resultArr['captcha']['question'] = $captcha['question'];
+	}
+
+	/**
+	 * @return array
+	 */
+	public function describeCaptchaType() {
+		return [
+			'type' => 'question',
+			'mime' => 'text/html',
+		];
+	}
+
+	/**
+	 * @return array
+	 */
+	function getCaptcha() {
+		global $wgCaptchaQuestions;
+		global $wgLang;
+		$currentlang = $wgLang->getCode();
+
+		if (array_key_exists($currentlang,$wgCaptchaQuestions)) {
+			$wgCaptchaQuestions = $wgCaptchaQuestions[$currentlang];
+		} else {
+			$default = array_key_first($wgCaptchaQuestions);
+			$wgCaptchaQuestions = $wgCaptchaQuestions[$default];
+		}
+
+		// Backwards compatibility
+		if ( $wgCaptchaQuestions === array_values( $wgCaptchaQuestions ) ) {
+			return $wgCaptchaQuestions[ mt_rand( 0, count( $wgCaptchaQuestions ) - 1 ) ];
+		}
+
+		$question = array_rand( $wgCaptchaQuestions, 1 );
+		$answer = $wgCaptchaQuestions[ $question ];
+		return [ 'question' => $question, 'answer' => $answer ];
+	}
+
+	/**
+	 * @param int $tabIndex
+	 * @return array
+	 */
+	function getFormInformation( $tabIndex = 1 ) {
+		$captcha = $this->getCaptcha();
+		if ( !$captcha ) {
+			die(
+				"No questions found; set some in LocalSettings.php using the format from QuestyCaptcha.php."
+			);
+		}
+		$index = $this->storeCaptcha( $captcha );
+		return [
+			'html' => "<p><label for=\"wpCaptchaWord\">{$captcha['question']}</label> " .
+				Html::element( 'input', [
+					'name' => 'wpCaptchaWord',
+					'id'   => 'wpCaptchaWord',
+					'class' => 'mw-ui-input',
+					'required',
+					'autocomplete' => 'off',
+					'tabindex' => $tabIndex ] ) . // tab in before the edit textarea
+				"</p>\n" .
+				Xml::element( 'input', [
+					'type'  => 'hidden',
+					'name'  => 'wpCaptchaId',
+					'id'    => 'wpCaptchaId',
+					'value' => $index ] )
+		];
+	}
+
+	function showHelp() {
+		global $wgOut;
+		$wgOut->setPageTitle( wfMessage( 'captchahelp-title' )->text() );
+		$wgOut->addWikiMsg( 'questycaptchahelp-text' );
+		if ( CaptchaStore::get()->cookiesNeeded() ) {
+			$wgOut->addWikiMsg( 'captchahelp-cookies-needed' );
+		}
+	}
+
+	/**
+	 * @param array $captchaData
+	 * @param string $id
+	 * @return mixed
+	 */
+	public function getCaptchaInfo( $captchaData, $id ) {
+		return $captchaData['question'];
+	}
+
+	/**
+	 * @param array $requests
+	 * @param array $fieldInfo
+	 * @param array &$formDescriptor
+	 * @param string $action
+	 */
+	public function onAuthChangeFormFields( array $requests, array $fieldInfo,
+		array &$formDescriptor, $action ) {
+		/** @var CaptchaAuthenticationRequest $req */
+		$req =
+			AuthenticationRequest::getRequestByClass( $requests,
+				CaptchaAuthenticationRequest::class, true );
+		if ( !$req ) {
+			return;
+		}
+
+		// declare RAW HTML output.
+		$formDescriptor['captchaInfo']['raw'] = true;
+		$formDescriptor['captchaWord']['label-message'] = null;
+	}
+}