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<?php |
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/** |
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* Linna Framework. |
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* |
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* @author Sebastian Rapetti <[email protected]> |
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* @copyright (c) 2017, Sebastian Rapetti |
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* @license http://opensource.org/licenses/MIT MIT License |
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*/ |
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declare(strict_types=1); |
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namespace Linna\Auth; |
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use Linna\Session\Session; |
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/** |
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* This class provide methods for manage user authentication system. |
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*/ |
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class Authenticate |
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{ |
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/** |
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* @var array Login status |
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*/ |
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private $data = ['user_name'=>'']; |
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/** |
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* @var bool Indicate login status, true or false |
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*/ |
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private $logged = false; |
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/** |
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* @var Session Session class |
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*/ |
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private $sessionInstance; |
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/** |
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* @var Password Password class |
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*/ |
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private $password; |
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/** |
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* Class constructor. |
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* <pre><code class="php">use Linna\Session\Session; |
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* use Linna\Auth\Password; |
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* |
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* $session = new Session(); |
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* $password = new Password(); |
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* |
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* $auth = new Authenticate($session, $password); |
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* </code></pre> |
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* |
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* @param Session $session Session class instance. |
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* @param Password $password Password class instance. |
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*/ |
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public function __construct(Session $session, Password $password) |
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{ |
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$this->password = $password; |
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$this->sessionInstance = $session; |
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$this->logged = $this->refresh(); |
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} |
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/** |
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* Utilize this method for check if an user in the current session, |
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* is currently logged in. |
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* <pre><code class="php">$auth = new Authenticate($session, $password); |
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* |
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* if ($auth->isLogged()) { |
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* //do actions |
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* } |
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* </code></pre> |
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* |
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* @return bool |
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*/ |
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public function isLogged() : bool |
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{ |
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return $this->logged; |
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} |
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/** |
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* Opposite to isLogged() method. |
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* |
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* Utilize this method for check if an user in the current session, |
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* is currently not logged in. |
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* <pre><code class="php">$auth = new Authenticate($session, $password); |
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* |
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* if ($auth->isNotLogged()) { |
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* //redirect or other action |
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* } |
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* |
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* //do actions |
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* </code></pre> |
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* |
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* @return bool |
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*/ |
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public function isNotLogged() : bool |
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{ |
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return !$this->logged; |
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} |
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/** |
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* Return array containing login data. |
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* <pre><code class="php">$auth = new Authenticate($session, $password); |
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* |
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* $data = $auth->getLoginData(); |
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* |
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* //var_dump result |
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* //after session start and login, session data appear like below array: |
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* //[ |
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* // 'time' => 1479641396 |
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* // 'expire' => 1800 |
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* // 'loginTime' => 1479641395 |
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* // 'login' => [ |
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* // 'login' => true |
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* // 'user_id' => 1 |
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* // 'user_name' => 'root' |
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* // ] |
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* //] |
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* var_dump($data); |
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* </code></pre> |
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* |
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* @return array |
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*/ |
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public function getLoginData() : array |
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{ |
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return $this->data; |
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} |
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/** |
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* Try to attemp login for the informations passed by param. |
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* |
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* <pre><code class="php">$user = ''; //user from login page form |
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* $password = ''; //password from login page form |
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* |
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* $storedUser = ''; //user from stored informations |
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* $storedPassword = ''; //password hash from stored informations |
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* $storedId = ''; //user id from stored informations |
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* |
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* $auth = new Authenticate($session, $password); |
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* $auth->login($user, $password, $storedUser, $storedPassword, $storedId); |
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* |
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* //other operation after login |
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* </code></pre> |
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* |
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* @param string $userName |
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* @param string $password |
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* @param string $storedUserName |
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* @param string $storedPassword |
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* @param int $storedId |
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* |
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* @return bool |
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*/ |
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public function login(string $userName, string $password, string $storedUserName = '', string $storedPassword = '', int $storedId = 0): bool |
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{ |
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if ($userName === $storedUserName && $this->password->verify($password, $storedPassword)) { |
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//write valid login on session |
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$this->sessionInstance->loginTime = time(); |
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$this->sessionInstance->login = [ |
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'login' => true, |
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'user_id' => $storedId, |
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'user_name' => $storedUserName, |
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]; |
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//regenerate session id |
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$this->sessionInstance->regenerate(); |
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$this->logged = true; |
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return true; |
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} |
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return false; |
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} |
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/** |
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* Do logout and delete login information from session. |
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* <pre><code class="php">$auth = new Authenticate($session, $password); |
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* $auth->logout(); |
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* </code></pre> |
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* |
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* @return bool |
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*/ |
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public function logout(): bool |
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{ |
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//remove login data from session |
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unset($this->sessionInstance->login, $this->sessionInstance->loginTime); |
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//regenerate session id |
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$this->sessionInstance->regenerate(); |
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$this->logged = false; |
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return true; |
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} |
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/** |
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* Check if user is logged, get login data from session and update it. |
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* |
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* @return bool |
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*/ |
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private function refresh(): bool |
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{ |
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//check for login data on in current session |
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if (!isset($this->sessionInstance->login)) { |
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return false; |
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} |
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//take time |
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$time = time(); |
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//check if login expired |
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if (($this->sessionInstance->loginTime + $this->sessionInstance->expire) < $time) { |
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return false; |
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} |
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//update login data |
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$this->sessionInstance->loginTime = $time; |
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$this->data = $this->sessionInstance->login; |
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return true; |
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} |
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} |
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