/**
* @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);
}
}
/**
* Verify the password of a public share
*
* @param \OCP\Share\IShare $share
* @param string $password
* @return bool
*/
public function checkPassword(\OCP\Share\IShare $share, $password)
{
if ($share->getShareType() !== \OCP\Share::SHARE_TYPE_LINK) {
//TODO maybe exception?
return false;
}
if ($password === null || $share->getPassword() === null) {
return false;
}
$newHash = '';
if (!$this->hasher->verify($password, $share->getPassword(), $newHash)) {
return false;
}
if (!empty($newHash)) {
$share->setPassword($newHash);
$provider = $this->factory->getProviderForType($share->getShareType());
$provider->update($share);
}
return true;
}
/**
* @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;
}
/**
* Get the file id of the root of the storage
*
* @return int
*/
public function getStorageRootId()
{
return $this->share->getNodeId();
}
/**
* Validate the permissions of the share
*
* @param Share\IShare $share
* @return bool
*/
private function validateShare(\OCP\Share\IShare $share)
{
return $share->getNode()->isReadable() && $share->getNode()->isShareable();
}
/**
* @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);
}
}
/**
* 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)
{
$this->removeShareFromTableById($share->getId());
}
/**
* 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');
}
}
}
/**
* 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();
}
/**
* 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();
}
/**
* check if we got the right share
*
* @param Share\IShare $share
* @param string $token
* @return bool
*/
protected function verifyShare(Share\IShare $share, $token)
{
if ($share->getShareType() === FederatedShareProvider::SHARE_TYPE_REMOTE && $share->getToken() === $token) {
return true;
}
return false;
}
/**
* @expectedException \OCP\Share\Exceptions\IllegalIDChangeException
* @expectedExceptionMessage Not allowed to assign a new provider id to a share
*/
public function testSetProviderIdOnce()
{
$this->share->setProviderId('foo');
$this->share->setProviderId('bar');
}
/**
* 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;
}
/**
* @param \OCP\Share\IShare $share
* @return bool
*/
protected function canAccessShare(\OCP\Share\IShare $share)
{
// A file with permissions 0 can't be accessed by us. So Don't show it
if ($share->getPermissions() === 0) {
return false;
}
// Owner of the file and the sharer of the file can always get share
if ($share->getShareOwner() === $this->currentUser->getUID() || $share->getSharedBy() === $this->currentUser->getUID()) {
return true;
}
// If the share is shared with you (or a group you are a member of)
if ($share->getShareType() === \OCP\Share::SHARE_TYPE_USER && $share->getSharedWith() === $this->currentUser->getUID()) {
return true;
}
if ($share->getShareType() === \OCP\Share::SHARE_TYPE_GROUP) {
$sharedWith = $this->groupManager->get($share->getSharedWith());
if ($sharedWith->inGroup($this->currentUser)) {
return true;
}
}
return false;
}
/**
* 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());
}
/**
* update fileTarget in the database if the mount point changed
*
* @param string $newPath
* @param \OCP\Share\IShare $share
* @return bool
*/
private function updateFileTarget($newPath, &$share)
{
$share->setTarget($newPath);
foreach ($this->groupedShares as $share) {
$share->setTarget($newPath);
\OC::$server->getShareManager()->moveShare($share, $this->user);
}
}
