Enabled OAuth/OAuth2 logins

modules/oauth/classes/Kohana/OAuth/Signature/HMAC/SHA1.php

@@ -0,0 +1,68 @@
+<?php defined('SYSPATH') or die('No direct script access.');
+/**
+ * The HMAC-SHA1 signature provides secure signing using the HMAC-SHA1
+ * algorithm as defined by [RFC2104](http://tools.ietf.org/html/rfc2104).
+ * It uses [OAuth_Request::base_string] as the text and [OAuth_Signature::key]
+ * as the signing key.
+ *
+ * @package    Kohana/OAuth
+ * @category   Signature
+ * @author     Kohana Team
+ * @copyright  (c) 2010 Kohana Team
+ * @license    http://kohanaframework.org/license
+ * @since      3.0.7
+ */
+class Kohana_OAuth_Signature_HMAC_SHA1 extends OAuth_Signature {
+
+	protected $name = 'HMAC-SHA1';
+
+	/**
+	 * Generate a signed hash of the base string using the consumer and token
+	 * as the signing key.
+	 *
+	 *     $sig = $signature->sign($request, $consumer, $token);
+	 *
+	 * [!!] This method implements [OAuth 1.0 Spec 9.2.1](http://oauth.net/core/1.0/#rfc.section.9.2.1).
+	 *
+	 * @param   OAuth_Request   request
+	 * @param   OAuth_Consumer  consumer
+	 * @param   OAuth_Token     token
+	 * @return  string
+	 * @uses    OAuth_Signature::key
+	 * @uses    OAuth_Request::base_string
+	 */
+	public function sign(OAuth_Request $request, OAuth_Consumer $consumer, OAuth_Token $token = NULL)
+	{
+		// Get the signing key
+		$key = $this->key($consumer, $token);
+
+		// Get the base string for the signature
+		$base_string = $request->base_string();
+
+		// Sign the base string using the key
+		return base64_encode(hash_hmac('sha1', $base_string, $key, TRUE));
+	}
+
+	/**
+	 * Verify a HMAC-SHA1 signature.
+	 *
+	 *     if ( ! $signature->verify($signature, $request, $consumer, $token))
+	 *     {
+	 *         throw new Kohana_OAuth_Exception('Failed to verify signature');
+	 *     }
+	 *
+	 * [!!] This method implements [OAuth 1.0 Spec 9.2.2](http://oauth.net/core/1.0/#rfc.section.9.2.2).
+	 *
+	 * @param   string          signature to verify
+	 * @param   OAuth_Request   request
+	 * @param   OAuth_Consumer  consumer
+	 * @param   OAuth_Token     token
+	 * @return  boolean
+	 * @uses    OAuth_Signature_HMAC_SHA1::sign
+	 */
+	public function verify($signature, OAuth_Request $request, OAuth_Consumer $consumer, OAuth_Token $token = NULL)
+	{
+		return $signature === $this->sign($request, $consumer, $token);
+	}
+
+} // End OAuth_Signature_HMAC_SHA1

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

@@ -0,0 +1,57 @@
+<?php defined('SYSPATH') or die('No direct script access.');
+/**
+ * The PLAINTEXT signature does not provide any security protection and should
+ * only be used over a secure channel such as HTTPS.
+ *
+ * @package    Kohana/OAuth
+ * @category   Signature
+ * @author     Kohana Team
+ * @copyright  (c) 2010 Kohana Team
+ * @license    http://kohanaframework.org/license
+ * @since      3.0.7
+ */
+class Kohana_OAuth_Signature_PLAINTEXT extends OAuth_Signature {
+
+	protected $name = 'PLAINTEXT';
+
+	/**
+	 * Generate a plaintext signature for the request _without_ the base string.
+	 *
+	 *     $sig = $signature->sign($request, $consumer, $token);
+	 *
+	 * [!!] This method implements [OAuth 1.0 Spec 9.4.1](http://oauth.net/core/1.0/#rfc.section.9.4.1).
+	 *
+	 * @param   OAuth_Request   request
+	 * @param   OAuth_Consumer  consumer
+	 * @param   OAuth_Token     token
+	 * @return  $this
+	 */
+	public function sign(OAuth_Request $request, OAuth_Consumer $consumer, OAuth_Token $token = NULL)
+	{
+		// Use the signing key as the signature
+		return $this->key($consumer, $token);
+	}
+
+	/**
+	 * Verify a plaintext signature.
+	 *
+	 *     if ( ! $signature->verify($signature, $request, $consumer, $token))
+	 *     {
+	 *         throw new Kohana_OAuth_Exception('Failed to verify signature');
+	 *     }
+	 *
+	 * [!!] This method implements [OAuth 1.0 Spec 9.4.2](http://oauth.net/core/1.0/#rfc.section.9.4.2).
+	 *
+	 * @param   string          signature to verify
+	 * @param   OAuth_Request   request
+	 * @param   OAuth_Consumer  consumer
+	 * @param   OAuth_Token     token
+	 * @return  boolean
+	 * @uses    OAuth_Signature_PLAINTEXT::sign
+	 */
+	public function verify($signature, OAuth_Request $request, OAuth_Consumer $consumer, OAuth_Token $token = NULL)
+	{
+		return $signature === $this->key($consumer, $token);
+	}
+
+} // End OAuth_Signature_PLAINTEXT