From 5e372578a7839eac6a37d7ca8a4c0f8579a80698 Mon Sep 17 00:00:00 2001
From: Philipp Spitzer <philipp@spitzer.priv.at>
Date: Tue, 27 Nov 2012 23:41:47 +0100
Subject: [PATCH 1/1] Proof of concept.

---
 CookieCaptcha.class.php | 56 +++++++----------------------------------
 1 file changed, 9 insertions(+), 47 deletions(-)

diff --git a/CookieCaptcha.class.php b/CookieCaptcha.class.php
index 1ab2879..a859736 100644
--- a/CookieCaptcha.class.php
+++ b/CookieCaptcha.class.php
@@ -9,22 +9,19 @@ class CookieCaptcha extends SimpleCaptcha {
 	 * @param array $info
 	 * @return bool
 	 */
-	/*
 	function keyMatch( $answer, $info ) {
-		global $wgCaptchaSecret;
-
-		$digest = $wgCaptchaSecret . $info['salt'] . $answer . $wgCaptchaSecret . $info['salt'];
-		$answerHash = substr( md5( $digest ), 0, 16 );
-
-		if ( $answerHash == $info['hash'] ) {
-			wfDebug( "FancyCaptcha: answer hash matches expected {$info['hash']}\n" );
+		if (isset($_COOKIE['cookiecaptcha'])) {
+			wfDebug( "CookieCaptcha: Found cookie\n" );
 			return true;
 		} else {
-			wfDebug( "FancyCaptcha: answer hashes to $answerHash, expected {$info['hash']}\n" );
+			wfDebug( "CookieCaptcha: Didn't find cookie...\n" );
 			return false;
 		}
 	}
-	 */
+
+	function retrieveCaptcha() {
+		return true;
+	}
 
 	/*
 	function addCaptchaAPI( &$resultArr ) {
@@ -45,49 +42,14 @@ class CookieCaptcha extends SimpleCaptcha {
 	/**
 	 * Insert the captcha prompt into the edit form.
 	 */
-    /*
 	function getForm() {
-		$info = $this->pickImage();
-		if ( !$info ) {
-			throw new MWException( "Ran out of captcha images" );
-		}
-
-		// Generate a random key for use of this captcha image in this session.
-		// This is needed so multiple edits in separate tabs or windows can
-		// go through without extra pain.
-		$index = $this->storeCaptcha( $info );
-
-		wfDebug( "Captcha id $index using hash ${info['hash']}, salt ${info['salt']}.\n" );
-
-		$title = SpecialPage::getTitleFor( 'Captcha', 'image' );
-
+		global $wgLogo;
 		return "<p>" .
 			Html::element( 'img', array(
-				'src'    => $title->getLocalUrl( 'wpCaptchaId=' . urlencode( $index ) ),
-				'width'  => $info['width'],
-				'height' => $info['height'],
+				'src'    => $wgLogo,
 				'alt'    => '' ) ) .
-			"</p>\n" .
-			Html::element( 'input', array(
-				'type'  => 'hidden',
-				'name'  => 'wpCaptchaId',
-				'id'    => 'wpCaptchaId',
-				'value' => $index ) ) .
-			'<p>' .
-			Html::element( 'label', array(
-				'for' => 'wpCaptchaWord',
-			), parent::getMessage( 'label' ) . wfMessage( 'colon-separator' )->text() ) .
-			Html::element( 'input', array(
-				'name' => 'wpCaptchaWord',
-				'id'   => 'wpCaptchaWord',
-				'type' => 'text',
-				'autocorrect' => 'off',
-				'autocapitalize' => 'off',
-				'required' => 'required',
-				'tabindex' => 1 ) ) . // tab in before the edit textarea
 			"</p>\n";
 	}
-   */
 
 	/**
 	 * Show a message asking the user to enter a captcha on edit
-- 
2.30.2