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<?php declare(strict_types=1); |
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namespace ApiClients\Foundation\Oauth1\Middleware; |
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use ApiClients\Foundation\Middleware\MiddlewareInterface; |
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use ApiClients\Foundation\Middleware\PostTrait; |
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use ApiClients\Foundation\Oauth1\Options; |
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use JacobKiers\OAuth\Consumer\ConsumerInterface; |
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use JacobKiers\OAuth\Request\Request as OAuthRequest; |
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use JacobKiers\OAuth\SignatureMethod\SignatureMethodInterface; |
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use JacobKiers\OAuth\Token\TokenInterface; |
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use Psr\Http\Message\RequestInterface; |
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use React\EventLoop\LoopInterface; |
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use React\Promise\CancellablePromiseInterface; |
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use function React\Promise\resolve; |
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use function GuzzleHttp\Psr7\parse_query; |
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use function WyriHaximus\React\futurePromise; |
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class Oauth1Middleware implements MiddlewareInterface |
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{ |
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use PostTrait; |
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/** |
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* @var LoopInterface |
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*/ |
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private $loop; |
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/** |
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* @param LoopInterface $loop |
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*/ |
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public function __construct(LoopInterface $loop) |
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{ |
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$this->loop = $loop; |
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} |
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/** |
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* @param RequestInterface $request |
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* @param array $options |
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* @return CancellablePromiseInterface |
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*/ |
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public function pre(RequestInterface $request, array $options = []): CancellablePromiseInterface |
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{ |
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if (!$this->validateOptions($options)) { |
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return resolve($request); |
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} |
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return futurePromise($this->loop, [$request, $options])->then(function ($args) { |
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return resolve($this->signRequest(...$args)); |
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}); |
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} |
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private function validateOptions(array $options): bool |
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{ |
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if (!isset($options[self::class])) { |
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return false; |
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} |
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if (!isset($options[self::class][Options::CONSUMER])) { |
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return false; |
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} |
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if (!($options[self::class][Options::CONSUMER] instanceof ConsumerInterface)) { |
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return false; |
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} |
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if (!isset($options[self::class][Options::TOKEN])) { |
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return false; |
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} |
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if (!($options[self::class][Options::TOKEN] instanceof TokenInterface)) { |
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return false; |
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} |
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if (!isset($options[self::class][Options::SIGNATURE_METHOD])) { |
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return false; |
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} |
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if (!($options[self::class][Options::SIGNATURE_METHOD] instanceof SignatureMethodInterface)) { |
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return false; |
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} |
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return true; |
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} |
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private function signRequest(RequestInterface $request, array $options): RequestInterface |
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{ |
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$oauthRequest = OAuthRequest::fromConsumerAndToken( |
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$options[self::class][Options::CONSUMER], |
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$options[self::class][Options::TOKEN], |
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$request->getMethod(), |
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(string)$request->getUri(), |
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$this->extractParamsFromQuery( |
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$request->getUri()->getQuery() |
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) |
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); |
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$oauthRequest->setParameter('oauth_version', '1.0', false); |
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$oauthRequest->signRequest( |
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$options[self::class][Options::SIGNATURE_METHOD], |
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$options[self::class][Options::CONSUMER], |
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$options[self::class][Options::TOKEN] |
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); |
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return $request->withAddedHeader( |
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'Authorization', |
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trim(substr($oauthRequest->toHeader(), 15)) |
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); |
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} |
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private function extractParamsFromQuery(string $query): array |
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{ |
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$params = parse_query($query); |
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uksort($params, 'strcmp'); |
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foreach ($params as $key => $value) { |
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if ($value !== null) { |
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continue; |
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} |
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unset($params[$key]); |
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} |
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return $params; |
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} |
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} |
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php-api-clients /
middleware-oauth1
This check looks for function calls that miss required arguments.