/**
* Convert an IShare to an array for OCS output
*
* @param \OCP\Share\IShare $share
* @return array
*/
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->getDisplayName(), 'permissions' => $share->getPermissions(), 'stime' => $share->getShareTime()->getTimestamp(), 'parent' => null, 'expiration' => null, 'token' => null, 'uid_file_owner' => $share->getShareOwner(), 'displayname_file_owner' => $shareOwner->getDisplayName()];
$node = $share->getNode();
$result['path'] = $this->rootFolder->getUserFolder($share->getShareOwner())->getRelativePath($node->getPath());
if ($node instanceof \OCP\Files\Folder) {
$result['item_type'] = 'folder';
} else {
$result['item_type'] = 'file';
}
$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'] = $sharedWith->getUID();
$result['share_with_displayname'] = $sharedWith->getDisplayName();
} else {
if ($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;
}
/**
* 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());
}
/**
* Resolve a group share to a user specific share
* Thus if the user moved their group share make sure this is properly reflected here.
*
* @param \OCP\Share\IShare $share
* @param string $userId
* @return Share Returns the updated share if one was found else return the original share.
*/
private function resolveGroupShare(\OCP\Share\IShare $share, $userId)
{
$qb = $this->dbConn->getQueryBuilder();
$stmt = $qb->select('*')->from('share')->where($qb->expr()->eq('parent', $qb->createNamedParameter($share->getId())))->andWhere($qb->expr()->eq('share_type', $qb->createNamedParameter(self::SHARE_TYPE_USERGROUP)))->andWhere($qb->expr()->eq('share_with', $qb->createNamedParameter($userId)))->setMaxResults(1)->execute();
$data = $stmt->fetch();
$stmt->closeCursor();
if ($data !== false) {
$share->setPermissions((int) $data['permissions']);
$share->setTarget($data['file_target']);
}
return $share;
}
/**
* @inheritdoc
*/
public function moveShare(\OCP\Share\IShare $share, $recipientId)
{
if ($share->getShareType() === \OCP\Share::SHARE_TYPE_LINK) {
throw new \InvalidArgumentException('Can\'t change target of link share');
}
if ($share->getShareType() === \OCP\Share::SHARE_TYPE_USER && $share->getSharedWith() !== $recipientId) {
throw new \InvalidArgumentException('Invalid recipient');
}
if ($share->getShareType() === \OCP\Share::SHARE_TYPE_GROUP) {
$sharedWith = $this->groupManager->get($share->getSharedWith());
$recipient = $this->userManager->get($recipientId);
if (!$sharedWith->inGroup($recipient)) {
throw new \InvalidArgumentException('Invalid recipient');
}
}
list($providerId, ) = $this->splitFullId($share->getId());
$provider = $this->factory->getProvider($providerId);
$provider->move($share, $recipientId);
}
/**
* 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);
}
/**
* @return string
*/
public function getShareId()
{
return $this->superShare->getId();
}
/**
* @inheritdoc
*/
public function move(\OCP\Share\IShare $share, IUser $recipient)
{
if ($share->getShareType() === \OCP\Share::SHARE_TYPE_USER) {
// Just update the target
$qb = $this->dbConn->getQueryBuilder();
$qb->update('share')->set('file_target', $qb->createNamedParameter($share->getTarget()))->where($qb->expr()->eq('id', $qb->createNamedParameter($share->getId())))->execute();
} else {
if ($share->getShareType() === \OCP\Share::SHARE_TYPE_GROUP) {
// Check if there is a usergroup share
$qb = $this->dbConn->getQueryBuilder();
$stmt = $qb->select('id')->from('share')->where($qb->expr()->eq('share_type', $qb->createNamedParameter(self::SHARE_TYPE_USERGROUP)))->andWhere($qb->expr()->eq('share_with', $qb->createNamedParameter($recipient->getUID())))->andWhere($qb->expr()->eq('parent', $qb->createNamedParameter($share->getId())))->setMaxResults(1)->execute();
$data = $stmt->fetch();
$stmt->closeCursor();
if ($data === false) {
// No usergroup share yet. Create one.
$qb = $this->dbConn->getQueryBuilder();
$qb->insert('share')->values(['share_type' => $qb->createNamedParameter(self::SHARE_TYPE_USERGROUP), 'share_with' => $qb->createNamedParameter($recipient->getUID()), 'uid_owner' => $qb->createNamedParameter($share->getShareOwner()->getUID()), 'uid_initiator' => $qb->createNamedParameter($share->getSharedBy()->getUID()), 'parent' => $qb->createNamedParameter($share->getId()), 'item_type' => $qb->createNamedParameter($share->getNode() instanceof File ? 'file' : 'folder'), 'item_source' => $qb->createNamedParameter($share->getNode()->getId()), 'file_source' => $qb->createNamedParameter($share->getNode()->getId()), 'file_target' => $qb->createNamedParameter($share->getTarget()), 'permissions' => $qb->createNamedParameter($share->getPermissions()), 'stime' => $qb->createNamedParameter($share->getShareTime()->getTimestamp())])->execute();
} else {
// Already a usergroup share. Update it.
$qb = $this->dbConn->getQueryBuilder();
$qb->update('share')->set('file_target', $qb->createNamedParameter($share->getTarget()))->where($qb->expr()->eq('id', $qb->createNamedParameter($data['id'])))->execute();
}
}
}
return $share;
}
/**
* Makes sure the user is already properly authenticated when a password is required and none
* was provided
*
* @param IShare $share
*
* @throws CheckException
*/
private function checkSession($share)
{
// Not authenticated ?
if (!$this->session->exists('public_link_authenticated') || $this->session->get('public_link_authenticated') !== (string) $share->getId()) {
throw new CheckException("Missing password", Http::STATUS_UNAUTHORIZED);
}
}
/**
* remove share from table
*
* @param IShare $share
*/
public function removeShareFromTable(IShare $share)
{
$qb = $this->dbConnection->getQueryBuilder();
$qb->delete('share')->where($qb->expr()->eq('id', $qb->createNamedParameter($share->getId())));
$qb->execute();
$qb->delete('federated_reshares')->where($qb->expr()->eq('share_id', $qb->createNamedParameter($share->getId())));
$qb->execute();
}
/**
* Unshare a file as the recipient.
* This can be different from a regular delete for example when one of
* the users in a groups deletes that share. But the provider should
* handle this.
*
* @param \OCP\Share\IShare $share
* @param IUser $recipient
*/
public function deleteFromSelf(\OCP\Share\IShare $share, IUser $recipient)
{
list($providerId, $id) = $this->splitFullId($share->getId());
$provider = $this->factory->getProvider($providerId);
$provider->deleteFromSelf($share, $recipient);
}
/**
* Unshare a share from the recipient. If this is a group share
* this means we need a special entry in the share db.
*
* @param \OCP\Share\IShare $share
* @param IUser $recipient
* @throws BackendError
* @throws ProviderException
*/
public function deleteFromSelf(\OCP\Share\IShare $share, IUser $recipient)
{
if ($share->getShareType() === \OCP\Share::SHARE_TYPE_GROUP) {
/** @var IGroup $group */
$group = $share->getSharedWith();
if (!$group->inGroup($recipient)) {
throw new ProviderException('Recipient not in receiving group');
}
// Try to fetch user specific share
$qb = $this->dbConn->getQueryBuilder();
$stmt = $qb->select('*')->from('share')->where($qb->expr()->eq('share_type', $qb->createNamedParameter(self::SHARE_TYPE_USERGROUP)))->andWhere($qb->expr()->eq('share_with', $qb->createNamedParameter($recipient->getUID())))->andWhere($qb->expr()->eq('parent', $qb->createNamedParameter($share->getId())))->execute();
$data = $stmt->fetch();
/*
* Check if there already is a user specific group share.
* If there is update it (if required).
*/
if ($data === false) {
$qb = $this->dbConn->getQueryBuilder();
$type = $share->getNode() instanceof \OCP\Files\File ? 'file' : 'folder';
//Insert new share
$qb->insert('share')->values(['share_type' => $qb->createNamedParameter(self::SHARE_TYPE_USERGROUP), 'share_with' => $qb->createNamedParameter($recipient->getUID()), 'uid_owner' => $qb->createNamedParameter($share->getShareOwner()->getUID()), 'uid_initiator' => $qb->createNamedParameter($share->getSharedBy()->getUID()), 'parent' => $qb->createNamedParameter($share->getId()), 'item_type' => $qb->createNamedParameter($type), 'item_source' => $qb->createNamedParameter($share->getNode()->getId()), 'file_source' => $qb->createNamedParameter($share->getNode()->getId()), 'file_target' => $qb->createNamedParameter($share->getTarget()), 'permissions' => $qb->createNamedParameter(0), 'stime' => $qb->createNamedParameter($share->getShareTime()->getTimestamp())])->execute();
} else {
if ($data['permissions'] !== 0) {
// Update existing usergroup share
$qb = $this->dbConn->getQueryBuilder();
$qb->update('share')->set('permissions', $qb->createNamedParameter(0))->where($qb->expr()->eq('id', $qb->createNamedParameter($data['id'])))->execute();
}
}
} else {
if ($share->getShareType() === \OCP\Share::SHARE_TYPE_USER) {
if ($share->getSharedWith() !== $recipient) {
throw new ProviderException('Recipient does not match');
}
// We can just delete user and link shares
$this->delete($share);
} else {
throw new ProviderException('Invalid shareType');
}
}
}
/**
* get share ID
*
* @return integer unique share ID
*/
public function getShareId()
{
return $this->newShare->getId();
}
public function testSetIdString()
{
$this->share->setId('foo');
$this->assertEquals('foo', $this->share->getId());
}
/**
* remove share from table
*
* @param IShare $share
*/
public function removeShareFromTable(IShare $share)
{
$this->removeShareFromTableById($share->getId());
}
