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<?php |
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namespace Equip\Auth; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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use Equip\Auth\AdapterInterface; |
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use Equip\Auth\Credentials\ExtractorInterface as CredentialsExtractor; |
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use Equip\Auth\Token\ExtractorInterface as TokenExtractor; |
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use Equip\Auth\Exception\UnauthorizedException; |
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class AuthHandler |
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{ |
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const TOKEN_ATTRIBUTE = 'spark/auth:token'; |
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/** |
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* @var \Equip\Auth\Token\ExtractorInterface |
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*/ |
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protected $token; |
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/** |
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* @var \Equip\Auth\Credentials\ExtractorInterface |
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*/ |
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protected $credentials; |
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/** |
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* @var AdapterInterface |
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*/ |
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protected $adapter; |
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/** |
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* @var RequestFilterInterface |
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*/ |
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protected $filter; |
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/** |
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* @param \Equip\Auth\Token\ExtractorInterface $token |
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* @param \Equip\Auth\Credentials\ExtractorInterface $credentials |
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* @param AdapterInterface $adapter |
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* @param RequestFilterInterface $filter |
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*/ |
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public function __construct( |
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TokenExtractor $token, |
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CredentialsExtractor $credentials, |
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AdapterInterface $adapter, |
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RequestFilterInterface $filter = null |
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) { |
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$this->token = $token; |
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$this->credentials = $credentials; |
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$this->adapter = $adapter; |
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$this->filter = $filter; |
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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 $next |
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* @return array |
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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 $next |
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) { |
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if ($this->shouldFilter($request)) { |
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if ($token = $this->token->getToken($request)) { |
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$authToken = $this->adapter->validateToken($token); |
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} elseif ($credentials = $this->credentials->getCredentials($request)) { |
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$authToken = $this->adapter->validateCredentials($credentials); |
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} else { |
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throw UnauthorizedException::noToken(); |
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} |
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$request = $this->handleToken($request, $authToken); |
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} |
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return $next($request, $response); |
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} |
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/** |
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* Handle the Token and put it in the request |
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* |
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* @param ServerRequestInterface $request |
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* @param Token $token |
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* @return ServerRequestInterface |
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*/ |
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protected function handleToken(ServerRequestInterface $request, Token $token) |
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{ |
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return $request->withAttribute(static::TOKEN_ATTRIBUTE, $token); |
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} |
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/** |
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* @param ServerRequestInterface $request |
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* @return boolean |
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*/ |
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protected function shouldFilter(ServerRequestInterface $request) |
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{ |
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if (!$this->filter) { |
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return true; |
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} |
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return call_user_func($this->filter, $request); |
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} |
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} |
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equip /
auth
