TMV\OpenIdClient\Provider\DiscoveryMetadataProvider

Complexity

Total Complexity

6

Size/Duplication

Total Lines	35
Duplicated Lines	0 %

Test Coverage

Coverage

80%

Importance

Changes	1
Bugs	0	Features	0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	6	3
A	discovery()	0	19	3

<?php

declare(strict_types=1);

namespace TMV\OpenIdClient\Provider;

use Http\Discovery\Psr17FactoryDiscovery;
use Http\Discovery\Psr18ClientDiscovery;
use Psr\Http\Client\ClientExceptionInterface;
use Psr\Http\Client\ClientInterface;
use Psr\Http\Message\RequestFactoryInterface;
use TMV\OpenIdClient\Exception\RuntimeException;
use function TMV\OpenIdClient\parseMetadataResponse;

class DiscoveryMetadataProvider implements DiscoveryMetadataProviderInterface
{
    /** @var ClientInterface */
    private $client;

    /** @var RequestFactoryInterface */
    private $requestFactory;

    public function __construct(
        ?ClientInterface $client = null,
        ?RequestFactoryInterface $requestFactory = null
    ) {
        $this->client = $client ?: Psr18ClientDiscovery::find();
        $this->requestFactory = $requestFactory ?: Psr17FactoryDiscovery::findRequestFactory();
    }

    public function discovery(string $uri): array
    {
        $request = $this->requestFactory->createRequest('GET', $uri)
            ->withHeader('accept', 'application/json')
            ->withHeader('content-type', 'application/json');

        try {
            $response = $this->client->sendRequest($request);
        } catch (ClientExceptionInterface $e) {
            throw new RuntimeException('Unable to fetch provider metadata', 0, $e);
        }

        $data = parseMetadataResponse($response, 200);

        if (! \array_key_exists('issuer', $data)) {
            throw new RuntimeException('Invalid metadata content, no "issuer" key found');
        }

        return $data;
    }
}