cloudFederationProvider[$resourceType] = [
'resourceType' => $resourceType,
'displayName' => $displayName,
'callback' => $callback,
];
}
/**
* remove cloud federation provider
*
* @param string $providerId
*/
public function removeCloudFederationProvider($providerId) {
unset($this->cloudFederationProvider[$providerId]);
}
/**
* get a list of all cloudFederationProviders
*
* @return array [resourceType => ['resourceType' => $resourceType, 'displayName' => $displayName, 'callback' => callback]]
*/
public function getAllCloudFederationProviders() {
return $this->cloudFederationProvider;
}
/**
* get a specific cloud federation provider
*
* @param string $resourceType
* @return ICloudFederationProvider
* @throws ProviderDoesNotExistsException
*/
public function getCloudFederationProvider($resourceType) {
if (isset($this->cloudFederationProvider[$resourceType])) {
return call_user_func($this->cloudFederationProvider[$resourceType]['callback']);
} else {
throw new ProviderDoesNotExistsException($resourceType);
}
}
/**
* @deprecated 29.0.0 - Use {@see sendCloudShare()} instead and handle errors manually
*/
public function sendShare(ICloudFederationShare $share) {
$cloudID = $this->cloudIdManager->resolveCloudId($share->getShareWith());
try {
try {
$response = $this->postOcmPayload($cloudID->getRemote(), '/shares', json_encode($share->getShare()));
} catch (OCMProviderException) {
return false;
}
if ($response->getStatusCode() === Http::STATUS_CREATED) {
$result = json_decode($response->getBody(), true);
return (is_array($result)) ? $result : [];
}
} catch (\Exception $e) {
$this->logger->debug($e->getMessage(), ['exception' => $e]);
// if flat re-sharing is not supported by the remote server
// we re-throw the exception and fall back to the old behaviour.
// (flat re-shares has been introduced in Nextcloud 9.1)
if ($e->getCode() === Http::STATUS_INTERNAL_SERVER_ERROR) {
throw $e;
}
}
return false;
}
/**
* @param ICloudFederationShare $share
* @return IResponse
* @throws OCMProviderException
*/
public function sendCloudShare(ICloudFederationShare $share): IResponse {
$cloudID = $this->cloudIdManager->resolveCloudId($share->getShareWith());
$client = $this->httpClientService->newClient();
try {
return $this->postOcmPayload($cloudID->getRemote(), '/shares', json_encode($share->getShare()), $client);
} catch (\Throwable $e) {
$this->logger->error('Error while sending share to federation server: ' . $e->getMessage(), ['exception' => $e]);
try {
return $client->getResponseFromThrowable($e);
} catch (\Throwable $e) {
throw new OCMProviderException($e->getMessage(), $e->getCode(), $e);
}
}
}
/**
* @param string $url
* @param ICloudFederationNotification $notification
* @return array|false
* @deprecated 29.0.0 - Use {@see sendCloudNotification()} instead and handle errors manually
*/
public function sendNotification($url, ICloudFederationNotification $notification) {
try {
try {
$response = $this->postOcmPayload($url, '/notifications', json_encode($notification->getMessage()));
} catch (OCMProviderException) {
return false;
}
if ($response->getStatusCode() === Http::STATUS_CREATED) {
$result = json_decode($response->getBody(), true);
return (is_array($result)) ? $result : [];
}
} catch (\Exception $e) {
// log the error and return false
$this->logger->error('error while sending notification for federated share: ' . $e->getMessage(), ['exception' => $e]);
}
return false;
}
/**
* @param string $url
* @param ICloudFederationNotification $notification
* @return IResponse
* @throws OCMProviderException
*/
public function sendCloudNotification(string $url, ICloudFederationNotification $notification): IResponse {
$client = $this->httpClientService->newClient();
try {
return $this->postOcmPayload($url, '/notifications', json_encode($notification->getMessage()), $client);
} catch (\Throwable $e) {
$this->logger->error('Error while sending notification to federation server: ' . $e->getMessage(), ['exception' => $e]);
try {
return $client->getResponseFromThrowable($e);
} catch (\Throwable $e) {
throw new OCMProviderException($e->getMessage(), $e->getCode(), $e);
}
}
}
/**
* check if the new cloud federation API is ready to be used
*
* @return bool
*/
public function isReady() {
return $this->appManager->isEnabledForUser('cloud_federation_api');
}
/**
* @param string $cloudId
* @param string $uri
* @param string $payload
*
* @return IResponse
* @throws OCMProviderException
*/
private function postOcmPayload(string $cloudId, string $uri, string $payload, ?IClient $client = null): IResponse {
$ocmProvider = $this->discoveryService->discover($cloudId);
$uri = $ocmProvider->getEndPoint() . '/' . ltrim($uri, '/');
$client = $client ?? $this->httpClientService->newClient();
return $client->post($uri, $this->prepareOcmPayload($uri, $payload));
}
/**
* @param string $uri
* @param string $payload
*
* @return array
*/
private function prepareOcmPayload(string $uri, string $payload): array {
$payload = array_merge($this->getDefaultRequestOptions(), ['body' => $payload]);
if ($this->appConfig->getValueBool('core', OCMSignatoryManager::APPCONFIG_SIGN_ENFORCED, lazy: true) &&
$this->signatoryManager->getRemoteSignatory($this->signatureManager->extractIdentityFromUri($uri)) === null) {
return $payload;
}
if (!$this->appConfig->getValueBool('core', OCMSignatoryManager::APPCONFIG_SIGN_DISABLED, lazy: true)) {
$signedPayload = $this->signatureManager->signOutgoingRequestIClientPayload(
$this->signatoryManager,
$payload,
'post', $uri
);
}
return $signedPayload ?? $payload;
}
private function getDefaultRequestOptions(): array {
return [
'headers' => ['content-type' => 'application/json'],
'timeout' => 10,
'connect_timeout' => 10,
'verify' => !$this->config->getSystemValueBool('sharing.federation.allowSelfSignedCertificates', false),
];
}
}
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