/**
* {@inheritdoc}
*/
public function challengeAuthorization(AuthorizationChallenge $challenge, $timeout = 180)
{
Assert::integer($timeout, 'challengeAuthorization::$timeout expected an integer. Got: %s');
$payload = ['resource' => ResourcesDirectory::CHALLENGE, 'type' => $challenge->getType(), 'keyAuthorization' => $challenge->getPayload(), 'token' => $challenge->getToken()];
if (!$this->directory) {
$this->initializeDirectory();
}
$response = (array) $this->httpClient->signedRequest('POST', $challenge->getUrl(), $payload);
// Waiting loop
$endTime = time() + $timeout;
while (time() <= $endTime && (!isset($response['status']) || 'pending' === $response['status'])) {
sleep(1);
$response = (array) $this->httpClient->signedRequest('GET', $challenge->getUrl());
}
if (!isset($response['status']) || 'valid' !== $response['status']) {
throw new ChallengeFailedException($response);
} elseif ('pending' === $response['status']) {
throw new ChallengeTimedOutException($response);
}
return $response;
}
/**
* {@inheritdoc}
*/
public function supports(AuthorizationChallenge $authorizationChallenge)
{
return 'dns-01' === $authorizationChallenge->getType();
}
/**
* @param AuthorizationChallenge $challenge
*
* @return Process
*/
private function createServerProcess(AuthorizationChallenge $challenge)
{
$listen = '0.0.0.0:5002';
$documentRoot = __DIR__ . '/Fixtures/challenges';
// Create file
file_put_contents($documentRoot . '/.well-known/acme-challenge/' . $challenge->getToken(), $challenge->getPayload());
// Start server
$finder = new PhpExecutableFinder();
if (false === ($binary = $finder->find())) {
throw new \RuntimeException('Unable to find PHP binary to start server.');
}
$script = implode(' ', array_map(['Symfony\\Component\\Process\\ProcessUtils', 'escapeArgument'], [$binary, '-S', $listen, '-t', $documentRoot]));
return new Process('exec ' . $script, $documentRoot, null, null, null);
}
/**
* Retrieves the content that should be returned in the response.
*
* @param AuthorizationChallenge $authorizationChallenge
*
* @return string
*/
public function getCheckContent(AuthorizationChallenge $authorizationChallenge)
{
return $authorizationChallenge->getPayload();
}
/**
* Retrieves the value of the TXT record to register.
*
* @param AuthorizationChallenge $authorizationChallenge
*
* @return string
*/
public function getRecordValue(AuthorizationChallenge $authorizationChallenge)
{
return $this->encoder->encode(hash('sha256', $authorizationChallenge->getPayload(), true));
}
