From d0251553146256bfa03ee63d77fcc90582a1289d Mon Sep 17 00:00:00 2001
From: Tim Almdal <tnalmdal@shaw.ca>
Date: Sat, 8 Nov 2008 01:56:59 +0000
Subject: The start of an authentication module.  This provides the
 installation and a basic install test. There is no interface at the moment to
 do authentication. It is dependent on the install of the user module.

---
 modules/auth/libraries/Auth.php | 93 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 93 insertions(+)
 create mode 100644 modules/auth/libraries/Auth.php

(limited to 'modules/auth/libraries/Auth.php')

diff --git a/modules/auth/libraries/Auth.php b/modules/auth/libraries/Auth.php
new file mode 100644
index 00000000..9bc59ec7
--- /dev/null
+++ b/modules/auth/libraries/Auth.php
@@ -0,0 +1,93 @@
+<?php defined("SYSPATH") or die("No direct script access.");
+/**
+ * Gallery - a web based photo album viewer and editor
+ * Copyright (C) 2000-2008 Bharat Mediratta
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+/**
+ * Implement the Authentication.
+ *
+ * This code was heavily influenced by code from:
+ *  - http://code.google.com/p/kohana-mptt/
+ *  - http://code.google.com/p/kohana-mptt/wiki/Documentation
+ *  - http://code.google.com/p/s7ncms/source/browse/trunk/modules/s7ncms/libraries/ORM_MPTT.php
+ *
+ * It was extended to allow configurable drivers
+ */
+class Auth_Core implements Auth_Driver {
+
+  // Session singleton
+  private static $instance;
+
+  // Configuration and driver
+  protected $_config;
+  protected $_driver;
+
+  /**
+   * Singleton instance of Session.
+   */
+  public static function instance($config = array()) { 
+    if (self::$instance == NULL) {
+      // Create a new instance
+      self::$instance = new Auth($config);
+    }
+    
+    return self::$instance;
+  }
+
+  /**
+   * On first instance creation, sets up the driver.
+   */
+  protected function __construct($config = array()) {
+    // Load config
+    $config += Kohana::config('auth');
+
+    //  Set the driver class name
+    $driver = "Auth_{$config['driver']}_Driver";
+    if (!Kohana::auto_load($driver)) {
+      // @todo change to gallery specific exceptions
+      throw new Kohana_Exception("Specified Driver: '{$config['driver']}' has not been defined.");
+    }
+
+    // Load the driver
+    $driver = new $driver();
+
+    if (!($driver instanceof Auth_Driver)) {
+      // @todo change to gallery specific exceptions
+      throw new Kohana_Exception(
+        "Specified Driver: '{$config['driver']}' has not implemented 'Auth_Driver'.");
+    }
+
+    $this->_driver = $driver;
+    $this->_config = $config;
+
+    Kohana::log('debug', 'Auth Library initialized');
+  }
+
+  /**
+   * @see Auth_Driver::set_user_password
+   */
+  public function set_user_password($user_id, $password) {
+    return $this->_driver->set_user_password($user_id, $password);
+  }
+
+  /**
+   * @see Auth_Driver::is_valid_password
+   */
+  public function is_valid_password($user_id, $password) {
+     return $this->_driver->is_valid_password($user_id, $password);
+   }
+}
-- 
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