/**
* @param string $path
* @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
* @param \OCP\Lock\ILockingProvider $provider
*/
public function releaseLock($path, $type, ILockingProvider $provider)
{
/** @var \OCP\Files\Storage $targetStorage */
list($targetStorage, $targetInternalPath) = $this->resolvePath($path);
$targetStorage->releaseLock($targetInternalPath, $type, $provider);
// unlock the parent folders of the owner when unlocking the share as recipient
if ($path === '') {
$sourcePath = $this->ownerView->getPath($this->superShare->getNodeId());
$this->ownerView->unlockFile(dirname($sourcePath), ILockingProvider::LOCK_SHARED, true);
}
}
/**
* 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();
$uidOwner = $share->getShareOwner();
$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);
}
$token = $this->tokenHandler->generateToken();
$shareWith = $user . '@' . $remote;
$shareId = $this->addShareToDB($itemSource, $itemType, $shareWith, $sharedBy, $uidOwner, $permissions, $token);
$send = $this->notifications->sendRemoteShare($token, $shareWith, $share->getNode()->getName(), $shareId, $share->getSharedBy());
$data = $this->getRawShare($shareId);
$share = $this->createShare($data);
if ($send === false) {
$this->delete($share);
$message_t = $this->l->t('Sharing %s failed, could not find %s, maybe the server is currently unreachable.', [$share->getNode()->getName(), $shareWith]);
throw new \Exception($message_t);
}
return $share;
}
/**
* Delete a share
*
* @param \OCP\Share\IShare $share
* @throws ShareNotFound
* @throws \InvalidArgumentException
*/
public function deleteShare(\OCP\Share\IShare $share)
{
try {
$share->getFullId();
} catch (\UnexpectedValueException $e) {
throw new \InvalidArgumentException('Share does not have a full id');
}
$formatHookParams = function (\OCP\Share\IShare $share) {
// Prepare hook
$shareType = $share->getShareType();
$sharedWith = '';
if ($shareType === \OCP\Share::SHARE_TYPE_USER) {
$sharedWith = $share->getSharedWith();
} else {
if ($shareType === \OCP\Share::SHARE_TYPE_GROUP) {
$sharedWith = $share->getSharedWith();
} else {
if ($shareType === \OCP\Share::SHARE_TYPE_REMOTE) {
$sharedWith = $share->getSharedWith();
}
}
}
$hookParams = ['id' => $share->getId(), 'itemType' => $share->getNodeType(), 'itemSource' => $share->getNodeId(), 'shareType' => $shareType, 'shareWith' => $sharedWith, 'itemparent' => method_exists($share, 'getParent') ? $share->getParent() : '', 'uidOwner' => $share->getSharedBy(), 'fileSource' => $share->getNodeId(), 'fileTarget' => $share->getTarget()];
return $hookParams;
};
$hookParams = $formatHookParams($share);
// Emit pre-hook
\OC_Hook::emit('OCP\\Share', 'pre_unshare', $hookParams);
// Get all children and delete them as well
$deletedShares = $this->deleteChildren($share);
// Do the actual delete
$provider = $this->factory->getProviderForType($share->getShareType());
$provider->delete($share);
// All the deleted shares caused by this delete
$deletedShares[] = $share;
//Format hook info
$formattedDeletedShares = array_map(function ($share) use($formatHookParams) {
return $formatHookParams($share);
}, $deletedShares);
$hookParams['deletedShares'] = $formattedDeletedShares;
// Emit post hook
\OC_Hook::emit('OCP\\Share', 'post_unshare', $hookParams);
}
/**
* @dataProvider dataFormatShare
*
* @param array $expects
* @param \OCP\Share\IShare $share
* @param array $users
* @param $exception
*/
public function testFormatShare(array $expects, \OCP\Share\IShare $share, array $users, $exception)
{
$this->userManager->method('get')->will($this->returnValueMap($users));
$this->urlGenerator->method('linkToRouteAbsolute')->with('files_sharing.sharecontroller.showShare', ['token' => 'myToken'])->willReturn('myLink');
$this->rootFolder->method('getUserFolder')->with($this->currentUser->getUID())->will($this->returnSelf());
if (!$exception) {
$this->rootFolder->method('getById')->with($share->getNodeId())->willReturn([$share->getNode()]);
$this->rootFolder->method('getRelativePath')->with($share->getNode()->getPath())->will($this->returnArgument(0));
}
try {
$result = $this->invokePrivate($this->ocs, 'formatShare', [$share]);
$this->assertFalse($exception);
$this->assertEquals($expects, $result);
} catch (NotFoundException $e) {
$this->assertTrue($exception);
}
}
/**
* Get the file id of the root of the storage
*
* @return int
*/
public function getStorageRootId()
{
return $this->share->getNodeId();
}
/**
* throws hooks when a share is attempted to be accessed
*
* @param \OCP\Share\IShare|string $share the Share instance if available,
* otherwise token
* @param int $errorCode
* @param string $errorMessage
* @throws OC\HintException
* @throws OC\ServerNotAvailableException
*/
protected function emitAccessShareHook($share, $errorCode = 200, $errorMessage = '')
{
$itemType = $itemSource = $uidOwner = '';
$token = $share;
$exception = null;
if ($share instanceof \OCP\Share\IShare) {
try {
$token = $share->getToken();
$uidOwner = $share->getSharedBy();
$itemType = $share->getNodeType();
$itemSource = $share->getNodeId();
} catch (\Exception $e) {
// we log what we know and pass on the exception afterwards
$exception = $e;
}
}
\OC_Hook::emit('OCP\\Share', 'share_link_access', ['itemType' => $itemType, 'itemSource' => $itemSource, 'uidOwner' => $uidOwner, 'token' => $token, 'errorCode' => $errorCode, 'errorMessage' => $errorMessage]);
if (!is_null($exception)) {
throw $exception;
}
}
/**
* Convert an IShare to an array for OCS output
*
* @param \OCP\Share\IShare $share
* @return array
* @throws NotFoundException In case the node can't be resolved.
*/
protected function formatShare(\OCP\Share\IShare $share)
{
$sharedBy = $this->userManager->get($share->getSharedBy());
$shareOwner = $this->userManager->get($share->getShareOwner());
$result = ['id' => $share->getId(), 'share_type' => $share->getShareType(), 'uid_owner' => $share->getSharedBy(), 'displayname_owner' => $sharedBy !== null ? $sharedBy->getDisplayName() : $share->getSharedBy(), 'permissions' => $share->getPermissions(), 'stime' => $share->getShareTime()->getTimestamp(), 'parent' => null, 'expiration' => null, 'token' => null, 'uid_file_owner' => $share->getShareOwner(), 'displayname_file_owner' => $shareOwner !== null ? $shareOwner->getDisplayName() : $share->getShareOwner()];
$userFolder = $this->rootFolder->getUserFolder($this->currentUser->getUID());
$nodes = $userFolder->getById($share->getNodeId());
if (empty($nodes)) {
throw new NotFoundException();
}
$node = $nodes[0];
$result['path'] = $userFolder->getRelativePath($node->getPath());
if ($node instanceof \OCP\Files\Folder) {
$result['item_type'] = 'folder';
} else {
$result['item_type'] = 'file';
}
$result['mimetype'] = $node->getMimeType();
$result['storage_id'] = $node->getStorage()->getId();
$result['storage'] = $node->getStorage()->getCache()->getNumericStorageId();
$result['item_source'] = $node->getId();
$result['file_source'] = $node->getId();
$result['file_parent'] = $node->getParent()->getId();
$result['file_target'] = $share->getTarget();
if ($share->getShareType() === \OCP\Share::SHARE_TYPE_USER) {
$sharedWith = $this->userManager->get($share->getSharedWith());
$result['share_with'] = $share->getSharedWith();
$result['share_with_displayname'] = $sharedWith !== null ? $sharedWith->getDisplayName() : $share->getSharedWith();
} else {
if ($share->getShareType() === \OCP\Share::SHARE_TYPE_GROUP) {
$result['share_with'] = $share->getSharedWith();
$result['share_with_displayname'] = $share->getSharedWith();
} else {
if ($share->getShareType() === \OCP\Share::SHARE_TYPE_LINK) {
$result['share_with'] = $share->getPassword();
$result['share_with_displayname'] = $share->getPassword();
$result['token'] = $share->getToken();
$result['url'] = $this->urlGenerator->linkToRouteAbsolute('files_sharing.sharecontroller.showShare', ['token' => $share->getToken()]);
$expiration = $share->getExpirationDate();
if ($expiration !== null) {
$result['expiration'] = $expiration->format('Y-m-d 00:00:00');
}
} else {
if ($share->getShareType() === \OCP\Share::SHARE_TYPE_REMOTE) {
$result['share_with'] = $share->getSharedWith();
$result['share_with_displayname'] = $share->getSharedWith();
$result['token'] = $share->getToken();
}
}
}
}
$result['mail_send'] = $share->getMailSend() ? 1 : 0;
return $result;
}
/**
* create federated share and inform the recipient
*
* @param IShare $share
* @return int
* @throws ShareNotFound
* @throws \Exception
*/
protected function createFederatedShare(IShare $share)
{
$token = $this->tokenHandler->generateToken();
$shareId = $this->addShareToDB($share->getNodeId(), $share->getNodeType(), $share->getSharedWith(), $share->getSharedBy(), $share->getShareOwner(), $share->getPermissions(), $token);
$sharedByFederatedId = $share->getSharedBy();
if ($this->userManager->userExists($sharedByFederatedId)) {
$sharedByFederatedId = $sharedByFederatedId . '@' . $this->addressHandler->generateRemoteURL();
}
$send = $this->notifications->sendRemoteShare($token, $share->getSharedWith(), $share->getNode()->getName(), $shareId, $share->getShareOwner(), $share->getShareOwner() . '@' . $this->addressHandler->generateRemoteURL(), $share->getSharedBy(), $sharedByFederatedId);
if ($send === false) {
$data = $this->getRawShare($shareId);
$share = $this->createShareObject($data);
$this->removeShareFromTable($share);
$message_t = $this->l->t('Sharing %s failed, could not find %s, maybe the server is currently unreachable.', [$share->getNode()->getName(), $share->getSharedWith()]);
throw new \Exception($message_t);
}
return $shareId;
}
/**
* Creates the environment based on the share the token links to
*
* @param IShare $share
*/
public function setTokenBasedEnv($share)
{
$origShareOwnerId = $share->getShareOwner();
$this->userFolder = $this->rootFolder->getUserFolder($origShareOwnerId);
$this->sharedNodeId = $share->getNodeId();
$this->sharedNode = $share->getNode();
$this->fromRootToFolder = $this->buildFromRootToFolder($this->sharedNodeId);
$this->folderName = $share->getTarget();
$this->userId = $origShareOwnerId;
$this->sharePassword = $share->getPassword();
}
/**
* create federated share and inform the recipient
*
* @param IShare $share
* @return int
* @throws ShareNotFound
* @throws \Exception
*/
protected function createFederatedShare(IShare $share)
{
$token = $this->tokenHandler->generateToken();
$shareId = $this->addShareToDB($share->getNodeId(), $share->getNodeType(), $share->getSharedWith(), $share->getSharedBy(), $share->getShareOwner(), $share->getPermissions(), $token);
try {
$sharedByFederatedId = $share->getSharedBy();
if ($this->userManager->userExists($sharedByFederatedId)) {
$sharedByFederatedId = $sharedByFederatedId . '@' . $this->addressHandler->generateRemoteURL();
}
$send = $this->notifications->sendRemoteShare($token, $share->getSharedWith(), $share->getNode()->getName(), $shareId, $share->getShareOwner(), $share->getShareOwner() . '@' . $this->addressHandler->generateRemoteURL(), $share->getSharedBy(), $sharedByFederatedId);
if ($send === false) {
$message_t = $this->l->t('Sharing %s failed, could not find %s, maybe the server is currently unreachable.', [$share->getNode()->getName(), $share->getSharedWith()]);
throw new \Exception($message_t);
}
} catch (\Exception $e) {
$this->logger->error('Failed to notify remote server of federated share, removing share (' . $e->getMessage() . ')');
$this->removeShareFromTableById($shareId);
throw $e;
}
return $shareId;
}
