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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) 2018, 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\Authentication; |
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use Linna\Session\Session; |
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/** |
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* Extend basic user authentication system with more security checks. |
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*/ |
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class EnhancedAuthentication extends Authentication |
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{ |
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/** |
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* @var int Max attempts for user name. |
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*/ |
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protected int $maxAttemptsForUserName = 5; |
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/** |
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* @var int Max attempts for session id. |
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*/ |
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protected int $maxAttemptsForSessionId = 10; |
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/** |
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* @var int Max attempts for ip address. |
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*/ |
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protected int $maxAttemptsForIpAddress = 20; |
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/** |
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* @var int Max attempts for second. |
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*/ |
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protected int $maxAttemptsForSecond = 40; |
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/** |
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* @var int Ban time in seconds. |
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*/ |
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protected int $banTimeInSeconds = 900; |
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/** |
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* @var EnhancedAuthenticationMapperInterface Enhanced Authentication Mapper |
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*/ |
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private EnhancedAuthenticationMapperInterface $enhancedAuthenticationMapper; |
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/** |
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* Class Constructor. |
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* |
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* <pre><code class="php">use Linna\Authentication\EnhancedAuthentication; |
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* use Linna\Authentication\EnhancedAuthenticationMapper; |
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* use Linna\Authentication\Password; |
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* use Linna\Session\Session; |
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* use Linna\Storage\ExtendedPDO; |
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* use Linna\Storage\StorageFactory; |
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* |
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* $session = new Session(); |
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* $password = new Password(); |
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* $pdo = (new StorageFactory('pdo', $options))->get(); |
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* $enhancedAuthenticationMapper = new EnhancedAuthenticationMapper($pdo); |
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* |
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* $enhancedAuthentication = new EnhancedAuthentication($session, $password, $enhancedAuthenticationMapper); |
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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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* @param EnhancedAuthenticationMapperInterface $enhancedAuthenticationMapper Implementation of EnhancedAuthenticationMapper. |
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* @param array<int> $options Class options. |
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*/ |
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public function __construct( |
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Session $session, |
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Password $password, |
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EnhancedAuthenticationMapperInterface $enhancedAuthenticationMapper, |
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array $options = [] |
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) { |
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parent::__construct($session, $password); |
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$this->enhancedAuthenticationMapper = $enhancedAuthenticationMapper; |
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[ |
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'maxAttemptsForUserName' => $this->maxAttemptsForUserName, |
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'maxAttemptsForSessionId' => $this->maxAttemptsForSessionId, |
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'maxAttemptsForIpAddress' => $this->maxAttemptsForIpAddress, |
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'maxAttemptsForSecond' => $this->maxAttemptsForSecond, |
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'banTimeInSeconds' => $this->banTimeInSeconds |
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] = \array_replace_recursive([ |
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'maxAttemptsForUserName' => $this->maxAttemptsForUserName, |
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'maxAttemptsForSessionId' => $this->maxAttemptsForSessionId, |
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'maxAttemptsForIpAddress' => $this->maxAttemptsForIpAddress, |
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'maxAttemptsForSecond' => $this->maxAttemptsForSecond, |
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'banTimeInSeconds' => $this->banTimeInSeconds |
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], $options); |
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} |
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/** |
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* Return how many attemps are left for incorrect password. |
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* |
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* <pre><code class="php">$userName = 'root'; |
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* $enhancedAuthentication->getAttemptsLeftWithSameUser($userName); |
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* </code></pre> |
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* |
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* @param string $userName User for which to retrieve login attempts. |
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* |
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* @return int Number of attempts with same user. |
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*/ |
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public function getAttemptsLeftWithSameUser(string $userName): int |
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{ |
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$attemptsLeft = ((int) $this->maxAttemptsForUserName) - $this->enhancedAuthenticationMapper->fetchAttemptsWithSameUser($userName, $this->banTimeInSeconds); |
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return \max(0, $attemptsLeft); |
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} |
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/** |
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* Return how many attemps are left for same session id. |
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* |
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* <pre><code class="php">$sessionId = '47u2hrm1n79u2ae1992vmhgpat'; |
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* $enhancedAuthentication->getAttemptsLeftWithSameSession($sessionId); |
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* </code></pre> |
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* |
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* @param string $sessionId Session id for which to retrieve login attempts. |
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* |
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* @return int Number of attempts with same session. |
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*/ |
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public function getAttemptsLeftWithSameSession(string $sessionId): int |
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{ |
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$attemptsLeft = ((int) $this->maxAttemptsForSessionId) - $this->enhancedAuthenticationMapper->fetchAttemptsWithSameSession($sessionId, $this->banTimeInSeconds); |
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return \max(0, $attemptsLeft); |
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} |
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/** |
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* Return how many attemps are left for same ip. |
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* |
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* <pre><code class="php">$ipAddress = '192.168.0.15'; |
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* $enhancedAuthentication->getAttemptsLeftWithSameIp($ipAddress); |
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* </code></pre> |
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* |
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* @param string $ipAddress Ip address for which to retrieve login attempts. |
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* |
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* @return int Number of attempts with same ip. |
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*/ |
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public function getAttemptsLeftWithSameIp(string $ipAddress): int |
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{ |
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$attemptsLeft = ((int) $this->maxAttemptsForIpAddress) - $this->enhancedAuthenticationMapper->fetchAttemptsWithSameIp($ipAddress, $this->banTimeInSeconds); |
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return \max(0, $attemptsLeft); |
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} |
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/** |
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* Check if an user is banned from do login. |
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* |
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* <pre><code class="php">$userName = 'root'; |
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* $enhancedAuthentication->isUserBanned($userName); |
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* </code></pre> |
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* |
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* @param string $userName User for which check if is banned. |
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* |
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* @return bool |
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*/ |
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public function isUserBanned(string $userName): bool |
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{ |
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return !$this->getAttemptsLeftWithSameUser($userName); |
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} |
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/** |
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* Check if a session id is banned from do login. |
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* |
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* <pre><code class="php">$sessionId = '47u2hrm1n79u2ae1992vmhgpat'; |
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* $enhancedAuthentication->isSessionBanned($sessionId); |
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* </code></pre> |
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* |
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* @param string $sessionId Session id for wich check if is banned. |
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* |
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* @return bool |
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*/ |
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public function isSessionBanned(string $sessionId): bool |
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{ |
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return !$this->getAttemptsLeftWithSameSession($sessionId); |
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} |
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/** |
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* Check if an ip address is banned from do login. |
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* |
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* <pre><code class="php">$ipAddress = '192.168.0.15'; |
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* $enhancedAuthentication->isIpBanned($ipAddress); |
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* </code></pre> |
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* |
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* @param string $ipAddress Ip address for wich check if is banned. |
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* |
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* @return bool |
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*/ |
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public function isIpBanned(string $ipAddress): bool |
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{ |
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return !$this->getAttemptsLeftWithSameIp($ipAddress); |
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} |
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} |
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