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<?php defined("SYSPATH") or die("No direct script access.");
/**
* Gallery - a web based photo album viewer and editor
* Copyright (C) 2000-2009 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 API for handling users.
*
* Note: by design, this class does not do any permission checking.
*/
class user_Core {
/**
* Return the guest user.
*
* @return User_Model the user object
*/
static function guest() {
return model_cache::get("user", 1);
}
/**
* Create a new user.
*
* @param string $name
* @param string $full_name
* @param string $password
* @return User_Definition the user object
*/
static function create($name, $full_name, $password) {
$user = ORM::factory("user")->where("name", $name)->find();
if ($user->loaded) {
throw new Exception("@todo USER_ALREADY_EXISTS $name");
}
$user->name = $name;
$user->full_name = $full_name;
$user->password = $password;
// Required groups
$user->add(group::everybody());
$user->add(group::registered_users());
$user->save();
return $user;
}
/**
* Hash the password to the internal value
* @param string $password the user password
* @param string The hashed equivalent
*/
static function hash_password($password) {
require_once(MODPATH . "user/lib/PasswordHash.php");
$hashGenerator = new PasswordHash(10, true);
return $hashGenerator->HashPassword($password);
}
/**
* Look up a user by id.
* @param integer $id the user id
* @return User_Definition the user object, or null if the id was invalid.
*/
static function lookup($id) {
return self::lookup_by_field("id", $id);
}
/**
* Look up a user by name.
* @param integer $name the user name
* @return User_Definition the user object, or null if the name was invalid.
*/
static function lookup_by_name($name) {
return self::lookup_by_field("name", $name);
}
static function lookup_by_field($field_name, $value) {
try {
$user = model_cache::get("user", $value, $field_name);
if ($user->loaded) {
return $user;
}
} catch (Exception $e) {
if (strpos($e->getMessage(), "MISSING_MODEL") === false) {
throw $e;
}
}
return null;
}
}
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