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<?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.
*/
/**
* This is the generalized wrapper to provide user management. The actual user management
* fucntionality is implemented by a driver module. This will insulate gallery3 user management
* from various CMS implementations.
*
*/
class User_Core implements User_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 User($config);
}
return self::$instance;
}
/**
* On first instance creation, sets up the driver.
*/
protected function __construct($config = array()) {
// Load config
$config += Kohana::config('user');
// Set the driver class name
$driver = "User_{$config['driver']}_Driver";
if (!Kohana::auto_load($driver)) {
// @todo change to gallery specific exceptions
throw new Exception("@todo DRIVER_NOT_DEFINED {$config['driver']}");
}
// Load the driver
$driver = new $driver();
if (!($driver instanceof User_Driver)) {
// @todo change to gallery specific exceptions
throw new Exception(
"@todo User_Driver_INTERFACE_NOT_IMPLEMENTED: {$config['driver']}");
}
$this->_driver = $driver;
$this->_config = $config;
Kohana::log('debug', 'Auth Library initialized');
}
/**
* @see User_Driver::install
*/
public function install() {
$this->_driver->install();
$user_module = ORM::factory("module")->where("name", "user")->find();
$user_module->name = "user";
$user_module->version = 1;
$user_module->save();
$user = $this->_driver->get_user_by_name("admin");
if (!$user->loaded) {
$user = $this->_driver->create_user("admin", "admin", "admin");
}
foreach (array("administrator", "registered") as $group_name) {
$group = $user = $this->_driver->get_group_by_name($group_name);
if (!$group->loaded) {
$group = $this->_driver->create_group($group_name);
// Don't assume we can use ORM relationship to join groups and users. Use the interface.
$this->_driver->add_user_to_group($group->id, $user->id);
}
}
$db = Database::instance();
$db->query("UPDATE `items` SET `owner_id` = {$user->id} WHERE `owner_id` IS NULL");
}
/**
* @see User_Driver::uninstall
*/
public function uninstall() {
$this->_driver->uninstall();
ORM::factory("module")->where("name", "user")->find()->delete();
}
/**
* @see User_Driver::install
*/
public function create_user($name, $display_name, $password, $email=null) {
$this->_driver->create_user($name, $display_name, $password, $email);
}
/**
* @see User_Driver::update_user
*/
public function update_user($id, $name, $display_name, $password, $email=null) {
$this->_driver->update_user($id, $name, $display_name, $password, $email);
}
/**
* @see User_Driver::get_user
*/
public function get_user($id) {
$this->_driver->get_user($id);
}
/**
* @see User_Driver::get_user_by_name
*/
public function get_user_by_name($name) {
$this->_driver->get_user_by_name($name);
}
/**
* @see User_Driver::delete_user
*/
public function delete_user($id) {
$this->_driver->delete_user($id);
}
/**
* @see User_Driver::create_group
*/
public function create_group($group_name) {
$this->_driver->create_group($group_name);
}
/**
* @see User_Driver::rename_group
*/
public function rename_group($id, $new_name) {
$this->_driver->rename_group($id, $new_name);
}
/**
* @see User_Driver::get_group
*/
public function get_group($id) {
$this->_driver->get_group($id);
}
/**
* @see User_Driver::get_group_by_name
*/
public function get_group_by_name($group_name) {
$this->_driver->get_group_by_name($group_name);
}
/**
* @see User_Driver::delete_group
*/
public function delete_group($id) {
$this->_driver->delete_group($id);
}
/**
* @see User_Driver::add_user_to_group
*/
public function add_user_to_group($group_id, $user_id) {
$this->_driver->add_user_to_group($group_id, $user_id);
}
/**
* @see User_Driver::remove_user_from_group
*/
public function remove_user_from_group($group_id, $user_id) {
$this->_driver->remove_user_from_group($group_id, $user_id);
}
}
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