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<?php |
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declare(strict_types=1); |
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namespace LibraryCatalog\Service; |
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use Psr\Http\Message\RequestInterface; |
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class AuthInBearer implements AuthInInterface |
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{ |
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/** @var RequestInterface */ |
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protected RequestInterface $request; |
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/** @var bool */ |
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protected bool $parsed = false; |
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/** @var string */ |
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protected string $payload; |
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/** @var bool */ |
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protected bool $isAuthenticated = false; |
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/** @var string */ |
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protected string $secret; |
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/** |
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* AuthInBearer constructor. |
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* @param string $secret |
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*/ |
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public function __construct(string $secret) |
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{ |
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$this->secret = $secret; |
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} |
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/** |
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* @param RequestInterface $request |
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* @return AuthInInterface |
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*/ |
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public function setRequest(RequestInterface $request): AuthInInterface |
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{ |
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$this->request = $request; |
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$this->parsed = false; |
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return $this; |
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} |
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/** |
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* @return bool |
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*/ |
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public function authenticated(): bool |
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{ |
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$this->parse(); |
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return $this->isAuthenticated; |
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} |
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/** |
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* @return string |
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*/ |
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public function getPayload(): string |
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{ |
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$this->parse(); |
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return $this->payload ?? ''; |
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} |
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/** |
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* @return void |
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*/ |
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protected function parse(): void |
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{ |
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if (!$this->parsed) { |
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if (isset($this->request)) { |
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$bearer = $this->request->getHeader('Authorization'); |
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if (count($bearer) >= 1) { |
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$ar = explode(' ', $bearer[0]); |
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if (count($ar) >= 2 && $ar[0] === 'Bearer') { |
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$this->proceedData((string)base64_decode($ar[1])); |
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} |
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} |
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} |
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$this->parsed = true; |
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} |
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} |
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/** |
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* @param string $data |
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* @return void |
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*/ |
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protected function proceedData(string $data): void |
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{ |
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$decoded = @json_decode($data); |
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if ($decoded) { |
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if (isset($decoded->secret) && $decoded->secret === $this->secret) { |
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// Authenticate only if secret is valid. |
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$this->isAuthenticated = true; |
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if (isset($decoded->payload)) { |
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$this->payload = (string)$decoded->payload; |
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} |
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} |
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} |
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} |
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} |
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alex-foleon /
service-library-catalog-php
