/**
* send server-to-server unshare to remote server
*
* @param string $remote url
* @param int $id share id
* @param string $token
* @return bool
*/
public function sendRemoteUnShare($remote, $id, $token)
{
$url = rtrim($remote, '/');
$fields = array('token' => $token, 'format' => 'json');
$url = $this->addressHandler->removeProtocolFromUrl($url);
$result = $this->tryHttpPostToShareEndpoint($url, '/' . $id . '/unshare', $fields);
$status = json_decode($result['result'], true);
return $result['success'] && ($status['ocs']['meta']['statuscode'] === 100 || $status['ocs']['meta']['statuscode'] === 200);
}
/**
* send server-to-server unshare to remote server
*
* @param string $remote url
* @param int $id share id
* @param string $token
* @return bool
*/
public function sendRemoteUnShare($remote, $id, $token)
{
$url = rtrim($remote, '/') . self::BASE_PATH_TO_SHARE_API . '/' . $id . '/unshare?format=' . self::RESPONSE_FORMAT;
$fields = array('token' => $token, 'format' => 'json');
$url = $this->addressHandler->removeProtocolFromUrl($url);
$result = $this->tryHttpPost($url, $fields);
$status = json_decode($result['result'], true);
return $result['success'] && $status['ocs']['meta']['statuscode'] === 100;
}
/**
* Delete a share
*
* @param IShare $share
*/
public function delete(IShare $share)
{
$qb = $this->dbConnection->getQueryBuilder();
$qb->delete('share')->where($qb->expr()->eq('id', $qb->createNamedParameter($share->getId())));
$qb->execute();
list(, $remote) = $this->addressHandler->splitUserRemote($share->getSharedWith());
$this->notifications->sendRemoteUnShare($remote, $share->getId(), $share->getToken());
}
/**
* in case of a re-share we need to send the other use (initiator or owner)
* a message that the file was unshared
*
* @param IShare $share
* @param bool $isOwner the user can either be the owner or the user who re-sahred it
* @throws ShareNotFound
* @throws \OC\HintException
*/
protected function revokeShare($share, $isOwner)
{
// also send a unShare request to the initiator, if this is a different user than the owner
if ($share->getShareOwner() !== $share->getSharedBy()) {
if ($isOwner) {
list(, $remote) = $this->addressHandler->splitUserRemote($share->getSharedBy());
} else {
list(, $remote) = $this->addressHandler->splitUserRemote($share->getShareOwner());
}
$remoteId = $this->getRemoteId($share);
$this->notifications->sendRevokeShare($remote, $remoteId, $share->getToken());
}
}
/**
* send server-to-server unshare to remote server
*
* @param string $remote url
* @param int $id share id
* @param string $token
* @param int $try how often did we already tried to send the un-share request
* @return bool
*/
public function sendRemoteUnShare($remote, $id, $token, $try = 0)
{
$url = rtrim($remote, '/');
$fields = array('token' => $token, 'format' => 'json');
$url = $this->addressHandler->removeProtocolFromUrl($url);
$result = $this->tryHttpPostToShareEndpoint($url, '/' . $id . '/unshare', $fields);
$status = json_decode($result['result'], true);
if ($result['success'] && ($status['ocs']['meta']['statuscode'] === 100 || $status['ocs']['meta']['statuscode'] === 200)) {
return true;
} elseif ($try === 0) {
// only add new job on first try
$this->jobList->add('OCA\\FederatedFileSharing\\BackgroundJob\\UnShare', ['remote' => $remote, 'id' => $id, 'token' => $token, 'try' => $try, 'lastRun' => $this->getTimestamp()]);
}
return false;
}
/**
* inform remote server whether server-to-server share was accepted/declined
*
* @param string $remote
* @param string $token
* @param int $remoteId Share id on the remote host
* @param string $action possible actions: accept, decline, unshare, revoke, permissions
* @param array $data
* @param int $try
* @return boolean
*/
public function sendUpdateToRemote($remote, $remoteId, $token, $action, $data = [], $try = 0)
{
$fields = array('token' => $token);
foreach ($data as $key => $value) {
$fields[$key] = $value;
}
$url = $this->addressHandler->removeProtocolFromUrl($remote);
$result = $this->tryHttpPostToShareEndpoint(rtrim($url, '/'), '/' . $remoteId . '/' . $action, $fields);
$status = json_decode($result['result'], true);
if ($result['success'] && ($status['ocs']['meta']['statuscode'] === 100 || $status['ocs']['meta']['statuscode'] === 200)) {
return true;
} elseif ($try === 0) {
// only add new job on first try
$this->jobList->add('OCA\\FederatedFileSharing\\BackgroundJob\\RetryJob', ['remote' => $remote, 'remoteId' => $remoteId, 'token' => $token, 'action' => $action, 'data' => json_encode($data), 'try' => $try, 'lastRun' => $this->getTimestamp()]);
}
return false;
}
/**
* decline server-to-server share
*
* @param array $params
* @return \OC_OCS_Result
*/
public function declineShare($params)
{
if (!$this->isS2SEnabled()) {
return new \OC_OCS_Result(null, 503, 'Server does not support federated cloud sharing');
}
$id = (int) $params['id'];
$token = isset($_POST['token']) ? $_POST['token'] : null;
try {
$share = $this->federatedShareProvider->getShareById($id);
} catch (Share\Exceptions\ShareNotFound $e) {
return new \OC_OCS_Result();
}
if ($this->verifyShare($share, $token)) {
if ($share->getShareOwner() !== $share->getSharedBy()) {
list(, $remote) = $this->addressHandler->splitUserRemote($share->getSharedBy());
$remoteId = $this->federatedShareProvider->getRemoteId($share);
$this->notifications->sendDeclineShare($remote, $remoteId, $share->getToken());
}
$this->executeDeclineShare($share);
}
return new \OC_OCS_Result();
}
/**
* @dataProvider dataTestRemoveProtocolFromUrl
*
* @param string $url
* @param string $expectedResult
*/
public function testRemoveProtocolFromUrl($url, $expectedResult)
{
$result = $this->addressHandler->removeProtocolFromUrl($url);
$this->assertSame($expectedResult, $result);
}
