83 lines
2.2 KiB
PHP
83 lines
2.2 KiB
PHP
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<?php
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declare(strict_types=1);
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/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2014-2021 Spomky-Labs
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*
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* This software may be modified and distributed under the terms
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* of the MIT license. See the LICENSE file for details.
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*/
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namespace Webauthn\MetadataService;
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use Assert\Assertion;
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use Base64Url\Base64Url;
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use Psr\Http\Client\ClientInterface;
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use Psr\Http\Message\RequestFactoryInterface;
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use function Safe\json_decode;
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use function Safe\sprintf;
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class DistantSingleMetadata extends SingleMetadata
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{
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/**
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* @var ClientInterface
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*/
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private $httpClient;
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/**
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* @var RequestFactoryInterface
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*/
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private $requestFactory;
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/**
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* @var array
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*/
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private $additionalHeaders;
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/**
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* @var string
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*/
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private $uri;
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/**
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* @var bool
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*/
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private $isBase64Encoded;
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public function __construct(string $uri, bool $isBase64Encoded, ClientInterface $httpClient, RequestFactoryInterface $requestFactory, array $additionalHeaders = [])
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{
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parent::__construct($uri, $isBase64Encoded); //Useless
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$this->uri = $uri;
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$this->isBase64Encoded = $isBase64Encoded;
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$this->httpClient = $httpClient;
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$this->requestFactory = $requestFactory;
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$this->additionalHeaders = $additionalHeaders;
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}
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public function getMetadataStatement(): MetadataStatement
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{
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$payload = $this->fetch();
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$json = $this->isBase64Encoded ? Base64Url::decode($payload) : $payload;
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$data = json_decode($json, true);
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return MetadataStatement::createFromArray($data);
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}
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private function fetch(): string
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{
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$request = $this->requestFactory->createRequest('GET', $this->uri);
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foreach ($this->additionalHeaders as $k => $v) {
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$request = $request->withHeader($k, $v);
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}
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$response = $this->httpClient->sendRequest($request);
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Assertion::eq(200, $response->getStatusCode(), sprintf('Unable to contact the server. Response code is %d', $response->getStatusCode()));
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$content = $response->getBody()->getContents();
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Assertion::notEmpty($content, 'Unable to contact the server. The response has no content');
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return $content;
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}
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}
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