setName('files_external:backends')
->setDescription('Show available authentication and storage backends')
->addArgument(
'type',
InputArgument::OPTIONAL,
'only show backends of a certain type. Possible values are "authentication" or "storage"'
)->addArgument(
'backend',
InputArgument::OPTIONAL,
'only show information of a specific backend'
);
parent::configure();
}
protected function execute(InputInterface $input, OutputInterface $output): int {
$authBackends = $this->backendService->getAuthMechanisms();
$storageBackends = $this->backendService->getBackends();
$data = [
'authentication' => array_map([$this, 'serializeAuthBackend'], $authBackends),
'storage' => array_map([$this, 'serializeAuthBackend'], $storageBackends)
];
$type = $input->getArgument('type');
$backend = $input->getArgument('backend');
if ($type) {
if (!isset($data[$type])) {
$output->writeln('Invalid type "' . $type . '". Possible values are "authentication" or "storage"');
return self::FAILURE;
}
$data = $data[$type];
if ($backend) {
if (!isset($data[$backend])) {
$output->writeln('Unknown backend "' . $backend . '" of type "' . $type . '"');
return self::FAILURE;
}
$data = $data[$backend];
}
}
$this->writeArrayInOutputFormat($input, $output, $data);
return self::SUCCESS;
}
private function serializeAuthBackend(\JsonSerializable $backend): array {
$data = $backend->jsonSerialize();
$result = [
'name' => $data['name'],
'identifier' => $data['identifier'],
'configuration' => $this->formatConfiguration($data['configuration'])
];
if ($backend instanceof Backend) {
$result['storage_class'] = $backend->getStorageClass();
$authBackends = $this->backendService->getAuthMechanismsByScheme(array_keys($backend->getAuthSchemes()));
$result['supported_authentication_backends'] = array_keys($authBackends);
$authConfig = array_map(function (AuthMechanism $auth) {
return $this->serializeAuthBackend($auth)['configuration'];
}, $authBackends);
$result['authentication_configuration'] = array_combine(array_keys($authBackends), $authConfig);
}
return $result;
}
/**
* @param DefinitionParameter[] $parameters
* @return string[]
*/
private function formatConfiguration(array $parameters): array {
$configuration = array_filter($parameters, function (DefinitionParameter $parameter) {
return $parameter->getType() !== DefinitionParameter::VALUE_HIDDEN;
});
return array_map(function (DefinitionParameter $parameter) {
return $parameter->getTypeName();
}, $configuration);
}
}