public static function getSharesFromItem($target) {
$result = array();
$owner = Filesystem::getOwner($target);
Filesystem::initMountPoints($owner);
$info = Filesystem::getFileInfo($target);
$ownerView = new View('/'.$owner.'/files');
if ( $owner !== User::getUser() ) {
$path = $ownerView->getPath($info['fileid']);
} else {
$path = $target;
}
$ids = array();
while ($path !== dirname($path)) {
$info = $ownerView->getFileInfo($path);
if ($info instanceof \OC\Files\FileInfo) {
$ids[] = $info['fileid'];
} else {
\OCP\Util::writeLog('sharing', 'No fileinfo available for: ' . $path, \OCP\Util::WARN);
}
$path = dirname($path);
}
if (!empty($ids)) {
$idList = array_chunk($ids, 99, true);
foreach ($idList as $subList) {
$statement = "SELECT `share_with`, `share_type`, `file_target` FROM `*PREFIX*share` WHERE `file_source` IN (" . implode(',', $subList) . ") AND `share_type` IN (0, 1, 2)";
$query = \OCP\DB::prepare($statement);
$r = $query->execute();
$result = array_merge($result, $r->fetchAll());
}
}
return $result;
}
/**
* get the UID of the owner of the file and the path to the file relative to
* owners files folder
*
* @param $filename
* @return array
* @throws \OC\User\NoUserException
*/
public static function getUidAndFilename($filename) {
$uid = Filesystem::getOwner($filename);
$userManager = \OC::$server->getUserManager();
// if the user with the UID doesn't exists, e.g. because the UID points
// to a remote user with a federated cloud ID we use the current logged-in
// user. We need a valid local user to create the share
if (!$userManager->userExists($uid)) {
$uid = User::getUser();
}
Filesystem::initMountPoints($uid);
if ( $uid !== User::getUser() ) {
$info = Filesystem::getFileInfo($filename);
$ownerView = new View('/'.$uid.'/files');
try {
$filename = $ownerView->getPath($info['fileid']);
} catch (NotFoundException $e) {
$filename = null;
}
}
return [$uid, $filename];
}
/**
* Format a path to be relative to the /user/files/ directory
* @param string $path the absolute path
* @return string e.g. turns '/admin/files/test.txt' into 'test.txt'
*/
public static function stripUserFilesPath($path) {
$trimmed = ltrim($path, '/');
$split = explode('/', $trimmed);
// it is not a file relative to data/user/files
if (count($split) <3||$split[1]!=='files'){
return false;
}
$sliced = array_slice($split, 2);
return implode('/', $sliced);
}
/**
* check if file name already exists and generate unique target
Roeland Jago Douma
7 years ago