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136 lines
4 KiB
PHP
136 lines
4 KiB
PHP
<?php
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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 2005-2011, 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 2005-2011, Cake Software Foundation, Inc. (http://cakefoundation.org)
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* @link http://cakephp.org CakePHP(tm) Project
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* @license MIT License (http://www.opensource.org/licenses/mit-license.php)
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*/
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App::uses('Security', 'Utility');
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/**
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* Base Authentication class with common methods and properties.
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*
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* @package Cake.Controller.Component.Auth
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*/
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abstract class BaseAuthenticate {
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/**
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* Settings for this object.
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*
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* - `fields` The fields to use to identify a user by.
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* - `userModel` The model name of the User, defaults to User.
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* - `scope` Additional conditions to use when looking up and authenticating users,
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* i.e. `array('User.is_active' => 1).`
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* - `recursive` The value of the recursive key passed to find(). Defaults to 0.
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*
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* @var array
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*/
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public $settings = array(
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'fields' => array(
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'username' => 'username',
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'password' => 'password'
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),
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'userModel' => 'User',
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'scope' => array(),
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'recursive' => 0
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);
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/**
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* A Component collection, used to get more components.
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*
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* @var ComponentCollection
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*/
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protected $_Collection;
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/**
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* Constructor
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*
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* @param ComponentCollection $collection The Component collection used on this request.
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* @param array $settings Array of settings to use.
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*/
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public function __construct(ComponentCollection $collection, $settings) {
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$this->_Collection = $collection;
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$this->settings = Set::merge($this->settings, $settings);
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}
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/**
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* Find a user record using the standard options.
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*
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* @param string $username The username/identifier.
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* @param string $password The unhashed password.
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* @return Mixed Either false on failure, or an array of user data.
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*/
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protected function _findUser($username, $password) {
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$userModel = $this->settings['userModel'];
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list($plugin, $model) = pluginSplit($userModel);
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$fields = $this->settings['fields'];
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$conditions = array(
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$model . '.' . $fields['username'] => $username,
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$model . '.' . $fields['password'] => $this->_password($password),
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);
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if (!empty($this->settings['scope'])) {
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$conditions = array_merge($conditions, $this->settings['scope']);
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}
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$result = ClassRegistry::init($userModel)->find('first', array(
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'conditions' => $conditions,
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'recursive' => $this->settings['recursive']
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));
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if (empty($result) || empty($result[$model])) {
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return false;
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}
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unset($result[$model][$fields['password']]);
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return $result[$model];
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}
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/**
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* Hash the plain text password so that it matches the hashed/encrypted password
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* in the datasource.
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*
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* @param string $password The plain text password.
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* @return string The hashed form of the password.
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*/
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protected function _password($password) {
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return Security::hash($password, null, true);
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}
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/**
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* Authenticate a user based on the request information.
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*
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* @param CakeRequest $request Request to get authentication information from.
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* @param CakeResponse $response A response object that can have headers added.
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* @return mixed Either false on failure, or an array of user data on success.
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*/
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abstract public function authenticate(CakeRequest $request, CakeResponse $response);
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/**
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* Allows you to hook into AuthComponent::logout(),
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* and implement specialized logout behavior.
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*
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* All attached authentication objects will have this method
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* called when a user logs out.
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*
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* @param array $user The user about to be logged out.
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* @return void
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*/
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public function logout($user) { }
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/**
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* Get a user based on information in the request. Primarily used by stateless authentication
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* systems like basic and digest auth.
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*
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* @param CakeRequest $request Request object.
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* @return mixed Either false or an array of user information
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*/
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public function getUser($request) {
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return false;
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}
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}
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