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<?php |
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declare(strict_types=1); |
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/** |
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* Micro |
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* |
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* @copyright Copyright (c) 2017 gyselroth GmbH (https://gyselroth.com) |
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* @license MIT https://opensource.org/licenses/MIT |
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*/ |
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namespace Micro\Auth\Adapter\Basic; |
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use \Micro\Auth\Exception; |
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use \Psr\Log\LoggerInterface as Logger; |
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use \Micro\Auth\Adapter\AdapterInterface; |
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use \Micro\Auth\Adapter\AbstractAdapter; |
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abstract class AbstractBasic extends AbstractAdapter |
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{ |
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/** |
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* Authenticate |
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* |
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* @return bool |
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*/ |
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public function authenticate(): bool |
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{ |
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if (!isset($_SERVER['HTTP_AUTHORIZATION'])) { |
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$this->logger->debug('skip auth adapter ['.get_class($this).'], no http authorization header found', [ |
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'category' => get_class($this) |
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]); |
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return false; |
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} |
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$header = $_SERVER['HTTP_AUTHORIZATION']; |
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$parts = explode(' ', $header); |
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if ($parts[0] == 'Basic') { |
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$this->logger->debug('found http basic authorization header', [ |
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'category' => get_class($this) |
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]); |
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$username = $_SERVER['PHP_AUTH_USER']; |
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$password = $_SERVER['PHP_AUTH_PW']; |
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return $this->plainAuth($username, $password); |
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} else { |
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$this->logger->warning('http authorization header contains no basic string or invalid authentication string', [ |
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'category' => get_class($this) |
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]); |
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return false; |
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} |
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} |
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/** |
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* Auth |
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* |
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* @param string $username |
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* @param string $password |
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* @return bool |
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*/ |
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protected function plainAuth(string $username, string $password): bool |
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{ |
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$result = $this->findIdentity($username); |
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if ($result === null) { |
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$this->logger->info('found no user named ['.$username.'] in database', [ |
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'category' => get_class($this) |
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]); |
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return false; |
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} |
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if (!isset($result['password']) || empty($result['password'])) { |
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$this->logger->info('found no password for ['.$username.'] in database', [ |
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'category' => get_class($this) |
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]); |
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return false; |
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} |
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if (!password_verify($password, $result['password'])) { |
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$this->logger->info('failed match given password for ['.$username.'] with stored hash in database', [ |
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'category' => get_class($this) |
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]); |
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return false; |
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} |
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$this->identifier = $username; |
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return true; |
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} |
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/** |
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* Find Identity |
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* |
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* @param string $username |
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* @return array |
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*/ |
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protected abstract function findIdentity(string $username): ?array; |
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} |
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gyselroth /
micro
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In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: