Enabled OAuth/OAuth2 logins

modules/oauth/classes/Kohana/OAuth/Signature.php

@@ -0,0 +1,77 @@
+<?php defined('SYSPATH') OR die('No direct access allowed.');
+/**
+ * OAuth Signature
+ *
+ * @package    Kohana/OAuth
+ * @category   Signature
+ * @author     Kohana Team
+ * @copyright  (c) 2010 Kohana Team
+ * @license    http://kohanaframework.org/license
+ * @since      3.0.7
+ */
+abstract class Kohana_OAuth_Signature {
+
+	/**
+	 * Create a new signature object by name.
+	 *
+	 *     $signature = OAuth_Signature::factory('HMAC-SHA1');
+	 *
+	 * @param   string  signature name: HMAC-SHA1, PLAINTEXT, etc
+	 * @param   array   signature options
+	 * @return  OAuth_Signature
+	 */
+	public static function factory($name, array $options = NULL)
+	{
+		// Create the class name as a base of this class
+		$class = 'OAuth_Signature_'.str_replace('-', '_', $name);
+
+		return new $class($options);
+	}
+
+	/**
+	 * @var  string  signature name: HMAC-SHA1, PLAINTEXT, etc
+	 */
+	protected $name;
+
+	/**
+	 * Return the value of any protected class variables.
+	 *
+	 *     $name = $signature->name;
+	 *
+	 * @param   string  variable name
+	 * @return  mixed
+	 */
+	public function __get($key)
+	{
+		return $this->$key;
+	}
+
+	/**
+	 * Get a signing key from a consumer and token.
+	 *
+	 *     $key = $signature->key($consumer, $token);
+	 *
+	 * [!!] This method implements the signing key of [OAuth 1.0 Spec 9](http://oauth.net/core/1.0/#rfc.section.9).
+	 *
+	 * @param   OAuth_Consumer  consumer
+	 * @param   OAuth_Token     token
+	 * @return  string
+	 * @uses    OAuth::urlencode
+	 */
+	public function key(OAuth_Consumer $consumer, OAuth_Token $token = NULL)
+	{
+		$key = OAuth::urlencode($consumer->secret).'&';
+
+		if ($token)
+		{
+			$key .= OAuth::urlencode($token->secret);
+		}
+
+		return $key;
+	}
+
+	abstract public function sign(OAuth_Request $request, OAuth_Consumer $consumer, OAuth_Token $token = NULL);
+
+	abstract public function verify($signature, OAuth_Request $request, OAuth_Consumer $consumer, OAuth_Token $token = NULL);
+
+} // End OAuth_Signature