/**
  * Share a path
  *
  * @param IShare $share
  * @return IShare The share object
  * @throws ShareNotFound
  * @throws \Exception
  */
 public function create(IShare $share)
 {
     $shareWith = $share->getSharedWith();
     $itemSource = $share->getNodeId();
     $itemType = $share->getNodeType();
     $permissions = $share->getPermissions();
     $sharedBy = $share->getSharedBy();
     /*
      * Check if file is not already shared with the remote user
      */
     $alreadyShared = $this->getSharedWith($shareWith, self::SHARE_TYPE_REMOTE, $share->getNode(), 1, 0);
     if (!empty($alreadyShared)) {
         $message = 'Sharing %s failed, because this item is already shared with %s';
         $message_t = $this->l->t('Sharing %s failed, because this item is already shared with %s', array($share->getNode()->getName(), $shareWith));
         $this->logger->debug(sprintf($message, $share->getNode()->getName(), $shareWith), ['app' => 'Federated File Sharing']);
         throw new \Exception($message_t);
     }
     // don't allow federated shares if source and target server are the same
     list($user, $remote) = $this->addressHandler->splitUserRemote($shareWith);
     $currentServer = $this->addressHandler->generateRemoteURL();
     $currentUser = $sharedBy;
     if ($this->addressHandler->compareAddresses($user, $remote, $currentUser, $currentServer)) {
         $message = 'Not allowed to create a federated share with the same user.';
         $message_t = $this->l->t('Not allowed to create a federated share with the same user');
         $this->logger->debug($message, ['app' => 'Federated File Sharing']);
         throw new \Exception($message_t);
     }
     $share->setSharedWith($user . '@' . $remote);
     try {
         $remoteShare = $this->getShareFromExternalShareTable($share);
     } catch (ShareNotFound $e) {
         $remoteShare = null;
     }
     if ($remoteShare) {
         try {
             $uidOwner = $remoteShare['owner'] . '@' . $remoteShare['remote'];
             $shareId = $this->addShareToDB($itemSource, $itemType, $shareWith, $sharedBy, $uidOwner, $permissions, 'tmp_token_' . time());
             $share->setId($shareId);
             list($token, $remoteId) = $this->askOwnerToReShare($shareWith, $share, $shareId);
             // remote share was create successfully if we get a valid token as return
             $send = is_string($token) && $token !== '';
         } catch (\Exception $e) {
             // fall back to old re-share behavior if the remote server
             // doesn't support flat re-shares (was introduced with ownCloud 9.1)
             $this->removeShareFromTable($share);
             $shareId = $this->createFederatedShare($share);
         }
         if ($send) {
             $this->updateSuccessfulReshare($shareId, $token);
             $this->storeRemoteId($shareId, $remoteId);
         } else {
             $this->removeShareFromTable($share);
             $message_t = $this->l->t('File is already shared with %s', [$shareWith]);
             throw new \Exception($message_t);
         }
     } else {
         $shareId = $this->createFederatedShare($share);
     }
     $data = $this->getRawShare($shareId);
     return $this->createShareObject($data);
 }