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<?php |
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namespace Staticus\Auth; |
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use Staticus\Acl\Roles; |
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use Staticus\Config\ConfigInterface; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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use Zend\Diactoros\Response\EmptyResponse; |
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use Zend\Stratigility\MiddlewareInterface; |
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/** |
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* http-auth layer, look into auth.global.php |
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*/ |
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class AuthBasicMiddleware implements MiddlewareInterface |
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{ |
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protected $config; |
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/** |
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* @var User|UserInterface |
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*/ |
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protected $user; |
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public function __construct(ConfigInterface $config, UserInterface $user) |
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{ |
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$this->config = $config->get('auth.basic'); |
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$this->user = $user; |
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} |
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/** |
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* @param ServerRequestInterface $request |
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* @param ResponseInterface $response |
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* @param callable|null $next |
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* @return EmptyResponse |
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* @throws \Exception |
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*/ |
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public function __invoke( |
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ServerRequestInterface $request, |
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ResponseInterface $response, |
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callable $next = null |
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) |
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{ |
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if ($this->isAdminAuthentication($request)) { |
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$this->user->addRoles([Roles::ADMIN]); |
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} |
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return $next($request, $response); |
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} |
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/** |
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* @param string $login |
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* @param string $pass |
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* @return bool |
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*/ |
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protected function checkCredentials($login, $pass) |
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{ |
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foreach ($this->config['users'] as $user) { |
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if (array_key_exists('name', $user) && array_key_exists('pass', $user) |
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&& $login === $user['name'] |
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&& $pass === $user['pass'] |
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) { |
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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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* @param string $authHeader |
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* @return bool |
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*/ |
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protected function checkHeader($authHeader) |
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{ |
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if ($authHeader) { |
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$authToken = str_replace('Basic ', '', $authHeader); |
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foreach ($this->config['users'] as $user) { |
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if (isset($user['name']) && isset($user['pass']) |
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&& $authToken === base64_encode($user['name'] . ':' . $user['pass']) |
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) { |
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return true; |
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} |
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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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* @param ServerRequestInterface $request |
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* @return bool |
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*/ |
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protected function isAdminAuthentication(ServerRequestInterface $request) |
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{ |
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$server = $request->getServerParams(); |
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return ( |
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( |
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isset($server['PHP_AUTH_USER']) |
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&& isset($server['PHP_AUTH_PW']) |
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&& $this->checkCredentials($server['PHP_AUTH_USER'], $server['PHP_AUTH_PW']) |
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) |
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|| $this->checkHeader($request->getHeaderLine('authorization')) |
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); |
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} |
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} |
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