Upgraded to KH 3.3.0

includes/kohana/system/classes/Kohana/HTTP/Exception/401.php

@@ -0,0 +1,38 @@
+<?php defined('SYSPATH') OR die('No direct script access.');
+
+class Kohana_HTTP_Exception_401 extends HTTP_Exception_Expected {
+
+	/**
+	 * @var   integer    HTTP 401 Unauthorized
+	 */
+	protected $_code = 401;
+
+	/**
+	 * Specifies the WWW-Authenticate challenge.
+	 * 
+	 * @param  string  $challenge  WWW-Authenticate challenge (eg `Basic realm="Control Panel"`)
+	 */
+	public function authenticate($challenge = NULL)
+	{
+		if ($challenge === NULL)
+			return $this->headers('www-authenticate');
+		
+		$this->headers('www-authenticate', $challenge);
+
+		return $this;
+	}
+
+	/**
+	 * Validate this exception contains everything needed to continue.
+	 * 
+	 * @throws Kohana_Exception
+	 * @return bool
+	 */
+	public function check()
+	{
+		if ($this->headers('www-authenticate') === NULL)
+			throw new Kohana_Exception('A \'www-authenticate\' header must be specified for a HTTP 401 Unauthorized');
+
+		return TRUE;
+	}
+}