/usr/share/php/kohana3.1/modules/orm/classes/kohana/auth/orm.php is in libkohana3.1-mod-orm-php 3.1.5-1.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/**
* ORM Auth driver.
*
* @package Kohana/Auth
* @author Kohana Team
* @copyright (c) 2007-2012 Kohana Team
* @license http://kohanaframework.org/license
*/
class Kohana_Auth_ORM extends Auth {
/**
* Checks if a session is active.
*
* @param mixed $role Role name string, role ORM object, or array with role names
* @return boolean
*/
public function logged_in($role = NULL)
{
// Get the user from the session
$user = $this->get_user();
if ( ! $user)
return FALSE;
if ($user instanceof Model_User AND $user->loaded())
{
// If we don't have a roll no further checking is needed
if ( ! $role)
return TRUE;
if (is_array($role))
{
// Get all the roles
$roles = ORM::factory('role')
->where('name', 'IN', $role)
->find_all()
->as_array(NULL, 'id');
// Make sure all the roles are valid ones
if (count($roles) !== count($role))
return FALSE;
}
else
{
if ( ! is_object($role))
{
// Load the role
$roles = ORM::factory('role', array('name' => $role));
if ( ! $roles->loaded())
return FALSE;
}
}
return $user->has('roles', $roles);
}
}
/**
* Logs a user in.
*
* @param string $username
* @param string $password
* @param boolean $remember enable autologin
* @return boolean
*/
protected function _login($user, $password, $remember)
{
if ( ! is_object($user))
{
$username = $user;
// Load the user
$user = ORM::factory('user');
$user->where($user->unique_key($username), '=', $username)->find();
}
// If the passwords match, perform a login
if ($user->has('roles', ORM::factory('role', array('name' => 'login'))) AND $user->password === $password)
{
if ($remember === TRUE)
{
// Token data
$data = array(
'user_id' => $user->id,
'expires' => time() + $this->_config['lifetime'],
'user_agent' => sha1(Request::$user_agent),
);
// Create a new autologin token
$token = ORM::factory('user_token')
->values($data)
->create();
// Set the autologin cookie
Cookie::set('authautologin', $token->token, $this->_config['lifetime']);
}
// Finish the login
$this->complete_login($user);
return TRUE;
}
// Login failed
return FALSE;
}
/**
* Forces a user to be logged in, without specifying a password.
*
* @param mixed $user username string, or user ORM object
* @param boolean $mark_session_as_forced mark the session as forced
* @return boolean
*/
public function force_login($user, $mark_session_as_forced = FALSE)
{
if ( ! is_object($user))
{
$username = $user;
// Load the user
$user = ORM::factory('user');
$user->where($user->unique_key($username), '=', $username)->find();
}
if ($mark_session_as_forced === TRUE)
{
// Mark the session as forced, to prevent users from changing account information
$this->_session->set('auth_forced', TRUE);
}
// Run the standard completion
$this->complete_login($user);
}
/**
* Logs a user in, based on the authautologin cookie.
*
* @return mixed
*/
public function auto_login()
{
if ($token = Cookie::get('authautologin'))
{
// Load the token and user
$token = ORM::factory('user_token', array('token' => $token));
if ($token->loaded() AND $token->user->loaded())
{
if ($token->user_agent === sha1(Request::$user_agent))
{
// Save the token to create a new unique token
$token->save();
// Set the new token
Cookie::set('authautologin', $token->token, $token->expires - time());
// Complete the login with the found data
$this->complete_login($token->user);
// Automatic login was successful
return $token->user;
}
// Token is invalid
$token->delete();
}
}
return FALSE;
}
/**
* Gets the currently logged in user from the session (with auto_login check).
* Returns $default if no user is currently logged in.
*
* @param mixed $default to return in case user isn't logged in
* @return mixed
*/
public function get_user($default = NULL)
{
$user = parent::get_user($default);
if ($user === $default)
{
// check for "remembered" login
if (($user = $this->auto_login()) === FALSE)
return $default;
}
return $user;
}
/**
* Log a user out and remove any autologin cookies.
*
* @param boolean $destroy completely destroy the session
* @param boolean $logout_all remove all tokens for user
* @return boolean
*/
public function logout($destroy = FALSE, $logout_all = FALSE)
{
// Set by force_login()
$this->_session->delete('auth_forced');
if ($token = Cookie::get('authautologin'))
{
// Delete the autologin cookie to prevent re-login
Cookie::delete('authautologin');
// Clear the autologin token from the database
$token = ORM::factory('user_token', array('token' => $token));
if ($token->loaded() AND $logout_all)
{
// Delete all user tokens. This isn't the most elegant solution but does the job
$tokens = ORM::factory('user_token')->where('user_id','=',$token->user_id)->find_all();
foreach ($tokens as $_token)
{
$_token->delete();
}
}
elseif ($token->loaded())
{
$token->delete();
}
}
return parent::logout($destroy);
}
/**
* Get the stored password for a username.
*
* @param mixed $user username string, or user ORM object
* @return string
*/
public function password($user)
{
if ( ! is_object($user))
{
$username = $user;
// Load the user
$user = ORM::factory('user');
$user->where($user->unique_key($username), '=', $username)->find();
}
return $user->password;
}
/**
* Complete the login for a user by incrementing the logins and setting
* session data: user_id, username, roles.
*
* @param object $user user ORM object
* @return void
*/
protected function complete_login($user)
{
$user->complete_login();
return parent::complete_login($user);
}
/**
* Compare password with original (hashed). Works for current (logged in) user
*
* @param string $password
* @return boolean
*/
public function check_password($password)
{
$user = $this->get_user();
if ( ! $user)
return FALSE;
return ($this->hash($password) === $user->password);
}
} // End Auth ORM
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