1 files changed, 82 insertions, 0 deletions
diff --git a/extensions/ConfirmEdit/QuestyCaptcha/QuestyCaptcha.class.php b/extensions/ConfirmEdit/QuestyCaptcha/QuestyCaptcha.class.php
new file mode 100644
index 00000000..2e5274a8
--- /dev/null
+++ b/extensions/ConfirmEdit/QuestyCaptcha/QuestyCaptcha.class.php
@@ -0,0 +1,82 @@
+<?php
+
+/**
+ * QuestyCaptcha class
+ *
+ * @file
+ * @author Benjamin Lees <emufarmers@gmail.com>
+ * @ingroup Extensions
+ */
+
+class QuestyCaptcha extends SimpleCaptcha {
+
+	/** Validate a captcha response */
+	function keyMatch( $answer, $info ) {
+		if ( is_array( $info['answer'] ) ) {
+			return in_array( strtolower( $answer ), $info['answer'] );
+		} else {
+			return strtolower( $answer ) == strtolower( $info['answer'] );
+		}
+	}
+
+	function addCaptchaAPI( &$resultArr ) {
+		$captcha = $this->getCaptcha();
+		$index = $this->storeCaptcha( $captcha );
+		$resultArr['captcha']['type'] = 'question';
+		$resultArr['captcha']['mime'] = 'text/plain';
+		$resultArr['captcha']['id'] = $index;
+		$resultArr['captcha']['question'] = $captcha['question'];
+	}
+
+	function getCaptcha() {
+		global $wgCaptchaQuestions;
+
+		//Backwards compatibility
+		if ( $wgCaptchaQuestions === array_values( $wgCaptchaQuestions ) ) {
+			return $wgCaptchaQuestions[ mt_rand( 0, count( $wgCaptchaQuestions ) - 1 ) ];
+		}
+
+		$question = array_rand( $wgCaptchaQuestions, 1 );
+		$answer = $wgCaptchaQuestions[ $question ];
+		return array( 'question' => $question, 'answer' => $answer );
+	}
+
+	function getForm() {
+		$captcha = $this->getCaptcha();
+		if ( !$captcha ) {
+			die( "No questions found; set some in LocalSettings.php using the format from QuestyCaptcha.php." );
+		}
+		$index = $this->storeCaptcha( $captcha );
+		return "<p><label for=\"wpCaptchaWord\">{$captcha['question']}</label> " .
+			Html::element( 'input', array(
+				'name' => 'wpCaptchaWord',
+				'id'   => 'wpCaptchaWord',
+				'class' => 'mw-ui-input',
+				'required',
+				'autocomplete' => 'off',
+				'tabindex' => 1 ) ) . // tab in before the edit textarea
+			"</p>\n" .
+			Xml::element( 'input', array(
+				'type'  => 'hidden',
+				'name'  => 'wpCaptchaId',
+				'id'    => 'wpCaptchaId',
+				'value' => $index ) );
+	}
+
+	function getMessage( $action ) {
+		$name = 'questycaptcha-' . $action;
+		$text = wfMessage( $name )->text();
+		# Obtain a more tailored message, if possible, otherwise, fall back to
+		# the default for edits
+		return wfMessage( $name, $text )->isDisabled() ? wfMessage( 'questycaptcha-edit' )->text() : $text;
+	}
+
+	function showHelp() {
+		global $wgOut;
+		$wgOut->setPageTitle( wfMessage( 'captchahelp-title' )->text() );
+		$wgOut->addWikiMsg( 'questycaptchahelp-text' );
+		if ( CaptchaStore::get()->cookiesNeeded() ) {
+			$wgOut->addWikiMsg( 'captchahelp-cookies-needed' );
+		}
+	}
+}