1 files changed, 71 insertions, 0 deletions
diff --git a/extensions/ConfirmEdit/QuestyCaptcha.class.php b/extensions/ConfirmEdit/QuestyCaptcha.class.php
new file mode 100644
index 00000000..478fcf34
--- /dev/null
+++ b/extensions/ConfirmEdit/QuestyCaptcha.class.php
@@ -0,0 +1,71 @@
+<?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;
+		return $wgCaptchaQuestions[mt_rand( 0, count( $wgCaptchaQuestions ) - 1 )]; // pick a question, any question
+	}
+
+	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> " .
+			Xml::element( 'input', array(
+				'name' => 'wpCaptchaWord',
+				'id'   => 'wpCaptchaWord',
+				'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 = wfMsg( $name );
+		# Obtain a more tailored message, if possible, otherwise, fall back to
+		# the default for edits
+		return wfEmptyMsg( $name, $text ) ? wfMsg( 'questycaptcha-edit' ) : $text;
+	}
+
+	function showHelp() {
+		global $wgOut;
+		$wgOut->setPageTitle( wfMsg( 'captchahelp-title' ) );
+		$wgOut->addWikiText( wfMsg( 'questycaptchahelp-text' ) );
+		if ( $this->storage->cookiesNeeded() ) {
+			$wgOut->addWikiText( wfMsg( 'captchahelp-cookies-needed' ) );
+		}
+	}
+}