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<?php |
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declare(strict_types=1); |
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namespace Swis\Melvin; |
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use Http\Discovery\Psr17FactoryDiscovery; |
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use Http\Discovery\Psr18ClientDiscovery; |
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use Psr\Http\Client\ClientExceptionInterface; |
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use Psr\Http\Client\ClientInterface; |
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use Psr\Http\Message\RequestFactoryInterface; |
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use Psr\Http\Message\RequestInterface; |
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use Psr\Http\Message\StreamFactoryInterface; |
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use Swis\Melvin\Exceptions\AuthenticationException; |
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use Swis\Melvin\Exceptions\RequestException; |
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class HttpClient |
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{ |
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private string $baseUrl = 'https://melvin.ndw.nu/melvinservice/rest/'; |
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private string $tokenUrl = 'https://keycloak.ndwcloud.nu/auth/realms/ndw/protocol/openid-connect/token'; |
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private string $username; |
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private string $password; |
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private string $clientId; |
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private string $token; |
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protected ClientInterface $httpClient; |
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protected RequestFactoryInterface $requestFactory; |
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protected StreamFactoryInterface $streamFactory; |
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public function __construct( |
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string $username, |
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string $password, |
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string $clientId = 'melvin-frontend-test', |
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?ClientInterface $httpClient = null, |
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?RequestFactoryInterface $requestFactory = null, |
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?StreamFactoryInterface $streamFactory = null |
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) { |
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$this->authenticate($username, $password, $clientId); |
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$this->httpClient = $httpClient ?: Psr18ClientDiscovery::find(); |
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$this->requestFactory = $requestFactory ?: Psr17FactoryDiscovery::findRequestFactory(); |
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$this->streamFactory = $streamFactory ?: Psr17FactoryDiscovery::findStreamFactory(); |
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} |
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/** |
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* @param mixed|null $body |
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* |
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* @throws \JsonException |
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* @throws \Swis\Melvin\Exceptions\AuthenticationException |
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* @throws \Swis\Melvin\Exceptions\RequestException |
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* |
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* @return mixed |
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*/ |
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public function request(string $method, string $uri, $body = null) |
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{ |
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$request = $this->createRequest($method, $uri, $body) |
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->withHeader('Authorization', sprintf('Bearer %s', $this->getToken())); |
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return $this->sendRequest($request); |
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} |
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/** |
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* @param string $username |
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* @param string $password |
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* @param string $clientId |
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* |
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* @return $this |
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*/ |
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public function authenticate(string $username, string $password, string $clientId = 'melvin-frontend-test'): self |
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{ |
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$this->username = $username; |
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$this->password = $password; |
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$this->clientId = $clientId; |
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return $this; |
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} |
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/** |
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* @param string $baseUrl |
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* |
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* @return $this |
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*/ |
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public function setBaseUrl(string $baseUrl): self |
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{ |
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$this->baseUrl = $baseUrl; |
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return $this; |
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} |
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/** |
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* @param string $tokenUrl |
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* |
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* @return $this |
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*/ |
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public function setTokenUrl(string $tokenUrl): self |
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{ |
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$this->tokenUrl = $tokenUrl; |
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return $this; |
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} |
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/** |
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* @param mixed|null $body |
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* |
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* @throws \JsonException |
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*/ |
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protected function createRequest(string $method, string $uri, $body = null): RequestInterface |
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{ |
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$request = $this->requestFactory->createRequest($method, $this->baseUrl.ltrim($uri, '/')); |
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if ($body !== null) { |
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$request = $request->withBody($this->streamFactory->createStream(json_encode($body, JSON_THROW_ON_ERROR))) |
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->withHeader('Content-Type', 'application/json'); |
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} |
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return $request; |
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} |
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/** |
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* @throws \JsonException |
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* @throws \Swis\Melvin\Exceptions\RequestException |
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* |
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* @return mixed |
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*/ |
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protected function sendRequest(RequestInterface $request) |
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{ |
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try { |
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$response = $this->httpClient->sendRequest($request); |
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} catch (ClientExceptionInterface $exception) { |
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throw RequestException::create($request, null, $exception); |
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} |
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if ($response->getStatusCode() !== 200) { |
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throw RequestException::create($request, $response); |
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} |
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$responseBody = (string) $response->getBody(); |
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return json_decode($responseBody, false, 512, JSON_THROW_ON_ERROR); |
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} |
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/** |
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* @throws \JsonException |
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* @throws \Swis\Melvin\Exceptions\AuthenticationException |
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* @throws \Swis\Melvin\Exceptions\RequestException |
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*/ |
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protected function getToken(): string |
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{ |
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if (!isset($this->token)) { |
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$this->token = $this->fetchToken(); |
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} |
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return $this->token; |
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} |
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/** |
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* @throws \JsonException |
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* @throws \Swis\Melvin\Exceptions\AuthenticationException |
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* @throws \Swis\Melvin\Exceptions\RequestException |
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*/ |
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protected function fetchToken(): string |
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{ |
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$body = [ |
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'client_id' => $this->clientId, |
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'grant_type' => 'password', |
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'username' => $this->username, |
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'password' => $this->password, |
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]; |
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$request = $this->requestFactory->createRequest('POST', $this->tokenUrl) |
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->withHeader('Content-Type', 'application/x-www-form-urlencoded') |
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->withBody($this->streamFactory->createStream(http_build_query($body))); |
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try { |
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$result = $this->sendRequest($request); |
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} catch (RequestException $exception) { |
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throw new AuthenticationException('Failed to authenticate', 0, $exception); |
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} |
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return $result->access_token; |
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} |
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} |
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swisnl /
melvin
