mirror of
https://github.com/kamilwylegala/cakephp2-php8.git
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827 lines
24 KiB
PHP
827 lines
24 KiB
PHP
<?php
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/**
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* Authentication component
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*
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* Manages user logins and permissions.
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*
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* PHP 5
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*
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* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
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* Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
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*
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* Licensed under The MIT License
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* Redistributions of files must retain the above copyright notice.
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*
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* @copyright Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
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* @link http://cakephp.org CakePHP(tm) Project
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* @package cake.libs.controller.components
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* @since CakePHP(tm) v 0.10.0.1076
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* @license MIT License (http://www.opensource.org/licenses/mit-license.php)
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*/
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App::import('Core', 'Router', false);
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App::import('Core', 'Security', false);
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App::import('Component', 'auth/base_authorize');
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/**
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* Authentication control component class
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*
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* Binds access control with user authentication and session management.
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*
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* @package cake.libs.controller.components
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* @link http://book.cakephp.org/view/1250/Authentication
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*/
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class AuthComponent extends Component {
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/**
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* Maintains current user login state.
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*
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* @var boolean
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*/
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protected $_loggedIn = false;
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/**
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* Other components utilized by AuthComponent
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*
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* @var array
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*/
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public $components = array('Session', 'RequestHandler');
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/**
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* An array of authentication objects to use for authenticating users. You can configure
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* multiple adapters and they will be checked sequentially when users are identified.
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*
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* @var object
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* @link http://book.cakephp.org/view/1278/authenticate
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*/
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public $authenticate = array('Form');
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/**
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* Objects that will be used for authentication checks.
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*
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* @var array
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*/
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protected $_authenticateObjects = array();
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/**
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* A hash mapping legacy properties => to settings passed into Authenticate objects.
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*
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* @var string
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* @deprecated Will be removed in 2.1+
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*/
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protected $_authenticateLegacyMap = array(
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'userModel' => 'userModel',
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'userScope' => 'scope',
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'fields' => 'fields'
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);
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/**
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* An array of authorization objects to use for authorizing users. You can configure
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* multiple adapters and they will be checked sequentially when authorization checks are done.
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*
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* @var mixed
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* @link http://book.cakephp.org/view/1275/authorize
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*/
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public $authorize = false;
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/**
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* Objects that will be used for authorization checks.
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*
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* @var array
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*/
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protected $_authorizeObjects = array();
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/**
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* A hash mapping legacy properties => to settings passed into Authorize objects.
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*
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* @var string
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* @deprecated Will be removed in 2.1+
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*/
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protected $_authorizeLegacyMap = array(
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'actionPath' => 'actionPath',
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);
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/**
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* The name of an optional view element to render when an Ajax request is made
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* with an invalid or expired session
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*
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* @var string
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* @link http://book.cakephp.org/view/1277/ajaxLogin
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*/
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public $ajaxLogin = null;
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/**
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* The name of the element used for SessionComponent::setFlash
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*
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* @var string
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*/
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public $flashElement = 'default';
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/**
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* The name of the model that represents users which will be authenticated. Defaults to 'User'.
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*
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* @var string
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* @link http://book.cakephp.org/view/1266/userModel
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*/
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public $userModel = 'User';
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/**
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* Additional query conditions to use when looking up and authenticating users,
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* i.e. array('User.is_active' => 1).
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*
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* @var array
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* @link http://book.cakephp.org/view/1268/userScope
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*/
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public $userScope = array();
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/**
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* Allows you to specify non-default login name and password fields used in
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* $userModel, i.e. array('username' => 'login_name', 'password' => 'passwd').
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*
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* @var array
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* @link http://book.cakephp.org/view/1267/fields
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*/
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public $fields = array('username' => 'username', 'password' => 'password');
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/**
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* The session key name where the record of the current user is stored. If
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* unspecified, it will be "Auth.{$userModel name}".
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*
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* @var string
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* @link http://book.cakephp.org/view/1276/sessionKey
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*/
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public $sessionKey = null;
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/**
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* If using action-based access control, this defines how the paths to action
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* ACO nodes is computed. If, for example, all controller nodes are nested
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* under an ACO node named 'Controllers', $actionPath should be set to
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* "Controllers/".
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*
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* @var string
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* @link http://book.cakephp.org/view/1279/actionPath
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*/
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public $actionPath = null;
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/**
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* A URL (defined as a string or array) to the controller action that handles
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* logins.
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*
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* @var mixed
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* @link http://book.cakephp.org/view/1269/loginAction
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*/
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public $loginAction = null;
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/**
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* Normally, if a user is redirected to the $loginAction page, the location they
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* were redirected from will be stored in the session so that they can be
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* redirected back after a successful login. If this session value is not
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* set, the user will be redirected to the page specified in $loginRedirect.
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*
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* @var mixed
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* @link http://book.cakephp.org/view/1270/loginRedirect
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*/
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public $loginRedirect = null;
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/**
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* The default action to redirect to after the user is logged out. While AuthComponent does
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* not handle post-logout redirection, a redirect URL will be returned from AuthComponent::logout().
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* Defaults to AuthComponent::$loginAction.
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*
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* @var mixed
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* @see AuthComponent::$loginAction
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* @see AuthComponent::logout()
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* @link http://book.cakephp.org/view/1271/logoutRedirect
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*/
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public $logoutRedirect = null;
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/**
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* The name of model or model object, or any other object has an isAuthorized method.
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*
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* @var string
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*/
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public $object = null;
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/**
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* Error to display when user login fails. For security purposes, only one error is used for all
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* login failures, so as not to expose information on why the login failed.
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*
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* @var string
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* @link http://book.cakephp.org/view/1272/loginError
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*/
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public $loginError = null;
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/**
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* Error to display when user attempts to access an object or action to which they do not have
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* acccess.
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*
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* @var string
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* @link http://book.cakephp.org/view/1273/authError
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*/
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public $authError = null;
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/**
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* Determines whether AuthComponent will automatically redirect and exit if login is successful.
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*
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* @var boolean
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* @link http://book.cakephp.org/view/1274/autoRedirect
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*/
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public $autoRedirect = true;
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/**
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* Controller actions for which user validation is not required.
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*
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* @var array
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* @see AuthComponent::allow()
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* @link http://book.cakephp.org/view/1251/Setting-Auth-Component-Variables
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*/
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public $allowedActions = array();
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/**
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* Maps actions to CRUD operations. Used for controller-based validation ($validate = 'controller').
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*
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* @var array
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* @see AuthComponent::mapActions()
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*/
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public $actionMap = array(
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'index' => 'read',
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'add' => 'create',
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'edit' => 'update',
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'view' => 'read',
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'remove' => 'delete'
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);
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/**
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* Request object
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*
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* @var CakeRequest
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*/
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public $request;
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/**
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* Method list for bound controller
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*
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* @var array
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*/
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protected $_methods = array();
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/**
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* Initializes AuthComponent for use in the controller
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*
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* @param object $controller A reference to the instantiating controller object
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* @return void
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*/
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public function initialize($controller) {
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$this->request = $controller->request;
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$this->params = $this->request;
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$crud = array('create', 'read', 'update', 'delete');
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$this->actionMap = array_merge($this->actionMap, array_combine($crud, $crud));
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$this->_methods = $controller->methods;
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$prefixes = Router::prefixes();
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if (!empty($prefixes)) {
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foreach ($prefixes as $prefix) {
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$this->actionMap = array_merge($this->actionMap, array(
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$prefix . '_index' => 'read',
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$prefix . '_add' => 'create',
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$prefix . '_edit' => 'update',
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$prefix . '_view' => 'read',
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$prefix . '_remove' => 'delete',
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$prefix . '_create' => 'create',
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$prefix . '_read' => 'read',
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$prefix . '_update' => 'update',
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$prefix . '_delete' => 'delete'
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));
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}
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}
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if (Configure::read('debug') > 0) {
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App::import('Debugger');
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Debugger::checkSecurityKeys();
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}
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}
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/**
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* Main execution method. Handles redirecting of invalid users, and processing
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* of login form data.
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*
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* @param object $controller A reference to the instantiating controller object
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* @return boolean
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*/
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public function startup($controller) {
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$isErrorOrTests = (
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strtolower($controller->name) == 'cakeerror' ||
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(strtolower($controller->name) == 'tests' && Configure::read('debug') > 0)
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);
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if ($isErrorOrTests) {
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return true;
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}
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$methods = array_flip($controller->methods);
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$action = $controller->request->params['action'];
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$isMissingAction = (
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$controller->scaffold === false &&
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!isset($methods[$action])
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);
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if ($isMissingAction) {
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return true;
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}
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if (!$this->__setDefaults()) {
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return false;
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}
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$request = $controller->request;
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$this->request->data = $controller->request->data = $this->hashPasswords($request->data);
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$url = '';
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if (isset($request->query['url'])) {
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$url = $request->query['url'];
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}
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$url = Router::normalize($url);
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$loginAction = Router::normalize($this->loginAction);
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$allowedActions = $this->allowedActions;
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$isAllowed = (
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$this->allowedActions == array('*') ||
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in_array($action, $allowedActions)
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);
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if ($loginAction != $url && $isAllowed) {
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return true;
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}
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if ($loginAction == $url) {
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$model = $this->getModel();
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if (empty($request->data) || !isset($request->data[$model->alias])) {
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if (!$this->Session->check('Auth.redirect') && !$this->loginRedirect && env('HTTP_REFERER')) {
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$this->Session->write('Auth.redirect', $controller->referer(null, true));
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}
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return false;
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}
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$isValid = !empty($request->data[$model->alias][$this->fields['username']]) &&
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!empty($request->data[$model->alias][$this->fields['password']]);
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if ($isValid) {
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if ($this->login()) {
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if ($this->autoRedirect) {
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$controller->redirect($this->redirect(), null, true);
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}
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return true;
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}
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}
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$this->Session->setFlash($this->loginError, $this->flashElement, array(), 'auth');
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$request->data[$model->alias][$this->fields['password']] = null;
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return false;
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} else {
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if (!$this->user()) {
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if (!$request->is('ajax')) {
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$this->Session->setFlash($this->authError, $this->flashElement, array(), 'auth');
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if (!empty($request->query) && count($request->query) >= 2) {
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$query = $request->query;
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unset($query['url'], $query['ext']);
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$url .= Router::queryString($query, array());
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}
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$this->Session->write('Auth.redirect', $url);
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$controller->redirect($loginAction);
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return false;
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} elseif (!empty($this->ajaxLogin)) {
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$controller->viewPath = 'elements';
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echo $controller->render($this->ajaxLogin, $this->RequestHandler->ajaxLayout);
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$this->_stop();
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return false;
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} else {
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$controller->redirect(null, 403);
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}
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}
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}
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if (!$this->authorize) {
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return true;
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}
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if ($this->isAuthorized()) {
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return true;
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}
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$this->Session->setFlash($this->authError, $this->flashElement, array(), 'auth');
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$controller->redirect($controller->referer(), null, true);
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return false;
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}
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/**
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* Attempts to introspect the correct values for object properties including
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* $userModel and $sessionKey.
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*
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* @param object $controller A reference to the instantiating controller object
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* @return boolean
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* @access private
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*/
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function __setDefaults() {
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if (empty($this->userModel)) {
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trigger_error(__("Could not find \$userModel. Please set AuthComponent::\$userModel in beforeFilter()."), E_USER_WARNING);
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return false;
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}
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list($plugin, $model) = pluginSplit($this->userModel);
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$defaults = array(
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'loginAction' => array(
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'controller' => Inflector::underscore(Inflector::pluralize($model)),
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'action' => 'login',
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'plugin' => Inflector::underscore($plugin),
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),
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'sessionKey' => 'Auth.' . $model,
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'logoutRedirect' => $this->loginAction,
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'loginError' => __('Login failed. Invalid username or password.'),
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'authError' => __('You are not authorized to access that location.')
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);
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foreach ($defaults as $key => $value) {
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if (empty($this->{$key})) {
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$this->{$key} = $value;
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}
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}
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return true;
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}
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/**
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* Uses the configured Authorization adapters to check whether or not a user is authorized.
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* Each adapter will be checked in sequence, if any of them return true, then the user will
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* be authorized for the request.
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*
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* @param mixed $user The user to check the authorization of. If empty the user in the session will be used.
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* @param CakeRequest $request The request to authenticate for. If empty, the current request will be used.
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* @return boolean True if $user is authorized, otherwise false
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*/
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public function isAuthorized($user = null, $request = null) {
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if (empty($user) && !$this->user()) {
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return false;
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} elseif (empty($user)) {
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$user = $this->user();
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}
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if (empty($request)) {
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$request = $this->request;
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}
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if (empty($this->_authorizeObjects)) {
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$this->loadAuthorizeObjects();
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}
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foreach ($this->_authorizeObjects as $authorizer) {
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if ($authorizer->authorize($user, $request) === true) {
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return true;
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}
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}
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return false;
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}
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/**
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* Loads the authorization objects configured.
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*
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* @return mixed Either null when authorize is empty, or the loaded authorization objects.
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*/
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public function loadAuthorizeObjects() {
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if (empty($this->authorize)) {
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return;
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}
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$this->_authorizeObjects = array();
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foreach (Set::normalize($this->authorize) as $class => $settings) {
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$className = $class . 'Authorize';
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if (!class_exists($className) && !App::import('Component', 'auth/' . $class . '_authorize')) {
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throw new CakeException(__('Authorization adapter "%s" was not found.', $class));
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}
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if (!method_exists($className, 'authorize')) {
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throw new CakeException(__('Authorization objects must implement an authorize method.'));
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}
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foreach ($this->_authorizeLegacyMap as $old => $new) {
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if (empty($settings[$new]) && !empty($this->{$old})) {
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$settings[$new] = $this->{$old};
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}
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}
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$this->_authorizeObjects[] = new $className($this->_Collection->getController(), $settings);
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}
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return $this->_authorizeObjects;
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}
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/**
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* Takes a list of actions in the current controller for which authentication is not required, or
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* no parameters to allow all actions.
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*
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* @param mixed $action Controller action name or array of actions
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* @param string $action Controller action name
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* @param string ... etc.
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* @return void
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* @link http://book.cakephp.org/view/1257/allow
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*/
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public function allow() {
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$args = func_get_args();
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if (empty($args) || $args == array('*')) {
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$this->allowedActions = $this->_methods;
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} else {
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if (isset($args[0]) && is_array($args[0])) {
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$args = $args[0];
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}
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$this->allowedActions = array_merge($this->allowedActions, $args);
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}
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}
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/**
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* Removes items from the list of allowed actions.
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*
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* @param mixed $action Controller action name or array of actions
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* @param string $action Controller action name
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* @param string ... etc.
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* @return void
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* @see AuthComponent::allow()
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* @link http://book.cakephp.org/view/1258/deny
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*/
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public function deny() {
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$args = func_get_args();
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if (isset($args[0]) && is_array($args[0])) {
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$args = $args[0];
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}
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foreach ($args as $arg) {
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$i = array_search($arg, $this->allowedActions);
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if (is_int($i)) {
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unset($this->allowedActions[$i]);
|
|
}
|
|
}
|
|
$this->allowedActions = array_values($this->allowedActions);
|
|
}
|
|
|
|
/**
|
|
* Maps action names to CRUD operations. Used for controller-based authentication. Make sure
|
|
* to configure the authorize property before calling this method. As it delegates $map to all the
|
|
* attached authorize objects.
|
|
*
|
|
* @param array $map Actions to map
|
|
* @return void
|
|
* @link http://book.cakephp.org/view/1260/mapActions
|
|
*/
|
|
public function mapActions($map = array()) {
|
|
if (empty($this->_authorizeObjects)) {
|
|
$this->loadAuthorizeObjects();
|
|
}
|
|
foreach ($this->_authorizeObjects as $auth) {
|
|
$auth->mapActions($map);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Log a user in. If a $user is provided that data will be stored as the logged in user. If `$user` is empty or not
|
|
* specified, POST data from the current request will be used to identify a user. If the login was successful,
|
|
* the user record is written to the session key specified in AuthComponent::$sessionKey.
|
|
*
|
|
* @param mixed $user Either an array of user data, or null to identify a user using the current request.
|
|
* @return boolean True on login success, false on failure
|
|
* @link http://book.cakephp.org/view/1261/login
|
|
*/
|
|
public function login($user = null) {
|
|
$this->__setDefaults();
|
|
$this->_loggedIn = false;
|
|
|
|
if (empty($user)) {
|
|
$user = $this->identify($this->request);
|
|
}
|
|
if ($user) {
|
|
$this->Session->write($this->sessionKey, $user);
|
|
$this->_loggedIn = true;
|
|
}
|
|
return $this->_loggedIn;
|
|
}
|
|
|
|
/**
|
|
* Logs a user out, and returns the login action to redirect to.
|
|
*
|
|
* @param mixed $url Optional URL to redirect the user to after logout
|
|
* @return string AuthComponent::$loginAction
|
|
* @see AuthComponent::$loginAction
|
|
* @link http://book.cakephp.org/view/1262/logout
|
|
*/
|
|
public function logout() {
|
|
$this->__setDefaults();
|
|
$this->Session->delete($this->sessionKey);
|
|
$this->Session->delete('Auth.redirect');
|
|
$this->_loggedIn = false;
|
|
return Router::normalize($this->logoutRedirect);
|
|
}
|
|
|
|
/**
|
|
* Get the current user from the session.
|
|
*
|
|
* @param string $key field to retrive. Leave null to get entire User record
|
|
* @return mixed User record. or null if no user is logged in.
|
|
* @link http://book.cakephp.org/view/1264/user
|
|
*/
|
|
public function user($key = null) {
|
|
$this->__setDefaults();
|
|
if (!$this->Session->check($this->sessionKey)) {
|
|
return null;
|
|
}
|
|
|
|
if ($key == null) {
|
|
$model = $this->getModel();
|
|
return array($model->alias => $this->Session->read($this->sessionKey));
|
|
} else {
|
|
$user = $this->Session->read($this->sessionKey);
|
|
if (isset($user[$key])) {
|
|
return $user[$key];
|
|
}
|
|
return null;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* If no parameter is passed, gets the authentication redirect URL.
|
|
*
|
|
* @param mixed $url Optional URL to write as the login redirect URL.
|
|
* @return string Redirect URL
|
|
*/
|
|
public function redirect($url = null) {
|
|
if (!is_null($url)) {
|
|
$redir = $url;
|
|
$this->Session->write('Auth.redirect', $redir);
|
|
} elseif ($this->Session->check('Auth.redirect')) {
|
|
$redir = $this->Session->read('Auth.redirect');
|
|
$this->Session->delete('Auth.redirect');
|
|
|
|
if (Router::normalize($redir) == Router::normalize($this->loginAction)) {
|
|
$redir = $this->loginRedirect;
|
|
}
|
|
} else {
|
|
$redir = $this->loginRedirect;
|
|
}
|
|
return Router::normalize($redir);
|
|
}
|
|
|
|
/**
|
|
* Validates a user against an abstract object.
|
|
*
|
|
* @param mixed $object The object to validate the user against.
|
|
* @param mixed $user Optional. The identity of the user to be validated.
|
|
* Uses the current user session if none specified. For
|
|
* valid forms of identifying users, see
|
|
* AuthComponent::identify().
|
|
* @param string $action Optional. The action to validate against.
|
|
* @see AuthComponent::identify()
|
|
* @return boolean True if the user validates, false otherwise.
|
|
*/
|
|
public function validate($object, $user = null, $action = null) {
|
|
if (empty($user)) {
|
|
$user = $this->user();
|
|
}
|
|
if (empty($user)) {
|
|
return false;
|
|
}
|
|
return $this->Acl->check($user, $object, $action);
|
|
}
|
|
|
|
/**
|
|
* Returns the path to the ACO node bound to a controller/action.
|
|
*
|
|
* @param string $action Optional. The controller/action path to validate the
|
|
* user against. The current request action is used if
|
|
* none is specified.
|
|
* @return boolean ACO node path
|
|
* @link http://book.cakephp.org/view/1256/action
|
|
*/
|
|
public function action($action = ':plugin/:controller/:action') {
|
|
$plugin = empty($this->request['plugin']) ? null : Inflector::camelize($this->request['plugin']) . '/';
|
|
return str_replace(
|
|
array(':controller', ':action', ':plugin/'),
|
|
array(Inflector::camelize($this->request['controller']), $this->request['action'], $plugin),
|
|
$this->actionPath . $action
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Returns a reference to the model object specified, and attempts
|
|
* to load it if it is not found.
|
|
*
|
|
* @param string $name Model name (defaults to AuthComponent::$userModel)
|
|
* @return object A reference to a model object
|
|
*/
|
|
public function &getModel($name = null) {
|
|
$model = null;
|
|
if (!$name) {
|
|
$name = $this->userModel;
|
|
}
|
|
|
|
$model = ClassRegistry::init($name);
|
|
|
|
if (empty($model)) {
|
|
trigger_error(__('Auth::getModel() - Model is not set or could not be found'), E_USER_WARNING);
|
|
return null;
|
|
}
|
|
|
|
return $model;
|
|
}
|
|
|
|
/**
|
|
* Use the configured authentication adapters, and attempt to identify the user
|
|
* by credentials contained in $request.
|
|
*
|
|
* @param CakeRequest $request The request that contains authentication data.
|
|
* @return array User record data, or false, if the user could not be identified.
|
|
*/
|
|
public function identify(CakeRequest $request) {
|
|
if (empty($this->_authenticateObjects)) {
|
|
$this->loadAuthenticateObjects();
|
|
}
|
|
foreach ($this->_authenticateObjects as $auth) {
|
|
$result = $auth->authenticate($request);
|
|
if (!empty($result) && is_array($result)) {
|
|
return $result;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* loads the configured authentication objects.
|
|
*
|
|
* @return mixed either null on empty authenticate value, or an array of loaded objects.
|
|
*/
|
|
public function loadAuthenticateObjects() {
|
|
if (empty($this->authenticate)) {
|
|
return;
|
|
}
|
|
$this->_authenticateObjects = array();
|
|
foreach (Set::normalize($this->authenticate) as $class => $settings) {
|
|
$className = $class . 'Authenticate';
|
|
if (!class_exists($className) && !App::import('Component', 'auth/' . $class . '_authenticate')) {
|
|
throw new CakeException(__('Authentication adapter "%s" was not found.', $class));
|
|
}
|
|
if (!method_exists($className, 'authenticate')) {
|
|
throw new CakeException(__('Authentication objects must implement an authenticate method.'));
|
|
}
|
|
foreach ($this->_authenticateLegacyMap as $old => $new) {
|
|
if (empty($settings[$new]) && !empty($this->{$old})) {
|
|
$settings[$new] = $this->{$old};
|
|
}
|
|
}
|
|
$this->_authenticateObjects[] = new $className($settings);
|
|
}
|
|
return $this->_authenticateObjects;
|
|
}
|
|
|
|
/**
|
|
* Hash any passwords found in $data using $userModel and $fields['password']
|
|
*
|
|
* @param array $data Set of data to look for passwords
|
|
* @return array Data with passwords hashed
|
|
* @link http://book.cakephp.org/view/1259/hashPasswords
|
|
*/
|
|
public function hashPasswords($data) {
|
|
if (is_object($this->authenticate) && method_exists($this->authenticate, 'hashPasswords')) {
|
|
return $this->authenticate->hashPasswords($data);
|
|
}
|
|
|
|
if (is_array($data)) {
|
|
$model = $this->getModel();
|
|
|
|
if(isset($data[$model->alias])) {
|
|
if (isset($data[$model->alias][$this->fields['username']]) && isset($data[$model->alias][$this->fields['password']])) {
|
|
$data[$model->alias][$this->fields['password']] = $this->password($data[$model->alias][$this->fields['password']]);
|
|
}
|
|
}
|
|
}
|
|
return $data;
|
|
}
|
|
|
|
/**
|
|
* Hash a password with the application's salt value (as defined with Configure::write('Security.salt');
|
|
*
|
|
* @param string $password Password to hash
|
|
* @return string Hashed password
|
|
* @link http://book.cakephp.org/view/1263/password
|
|
*/
|
|
public function password($password) {
|
|
return Security::hash($password, null, true);
|
|
}
|
|
|
|
/**
|
|
* Component shutdown. If user is logged in, wipe out redirect.
|
|
*
|
|
* @param object $controller Instantiating controller
|
|
*/
|
|
public function shutdown($controller) {
|
|
if ($this->_loggedIn) {
|
|
$this->Session->delete('Auth.redirect');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Sets or gets whether the user is logged in
|
|
*
|
|
* @param boolean $logged sets the status of the user, true to logged in, false to logged out
|
|
* @return boolean true if the user is logged in, false otherwise
|
|
* @access public
|
|
*/
|
|
public function loggedIn($logged = null) {
|
|
if (!is_null($logged)) {
|
|
$this->_loggedIn = $logged;
|
|
}
|
|
return $this->_loggedIn;
|
|
}
|
|
}
|