public function beforeMethod(RequestInterface $request, ResponseInterface $response)
{
// verify that the owner didn't have his share permissions revoked
if ($this->fileInfo && !$this->fileInfo->isShareable()) {
throw new NotFound();
}
}
/**
* @param \OCP\Files\FileInfo $dir
* @param \OC\Files\View $view
* @return array
*/
function getChildInfo($dir, $view)
{
$children = $view->getDirectoryContent($dir->getPath());
$result = array();
foreach ($children as $child) {
$formated = \OCA\Files\Helper::formatFileInfo($child);
if ($child->getType() === 'dir') {
$formated['children'] = getChildInfo($child, $view);
}
$formated['mtime'] = $formated['mtime'] / 1000;
$result[] = $formated;
}
return $result;
}
/**
* Formats the file info to be returned as OPDS to the client
*
* @param \OCP\Files\FileInfo $i
* @return array formatted file info
*/
public static function formatFileInfo(\OCP\Files\FileInfo $i)
{
$entry = array();
$entry['id'] = $i['fileid'];
$entry['mtime'] = $i['mtime'];
$entry['name'] = $i->getName();
$entry['type'] = $i['type'];
if ($i['type'] === 'file') {
$entry['mimetype'] = $i['mimetype'];
$entry['humansize'] = \OC_Helper::humanFileSize($i['size']);
$entry['meta'] = Meta::get($i['fileid']);
}
return $entry;
}
/**
* @return string|null
*/
public function getDavPermissions()
{
$p = '';
if ($this->info->isShared()) {
$p .= 'S';
}
if ($this->info->isShareable()) {
$p .= 'R';
}
if ($this->info->isMounted()) {
$p .= 'M';
}
if ($this->info->isDeletable()) {
$p .= 'D';
}
if ($this->info->isDeletable()) {
$p .= 'NV';
// Renameable, Moveable
}
if ($this->info->getType() === \OCP\Files\FileInfo::TYPE_FILE) {
if ($this->info->isUpdateable()) {
$p .= 'W';
}
} else {
if ($this->info->isCreatable()) {
$p .= 'CK';
}
}
return $p;
}
protected function verifyPath()
{
try {
$fileName = basename($this->info->getPath());
$this->fileView->verifyPath($this->path, $fileName);
} catch (\OCP\Files\InvalidPathException $ex) {
throw new InvalidPath($ex->getMessage());
}
}
/**
* set the path of the file you want a thumbnail from
* @param string $file
* @return \OC\Preview $this
*/
public function setFile($file) {
$this->file = $file;
$this->info = null;
if ($file !== '') {
$this->getFileInfo();
if($this->info !== null && $this->info !== false) {
$this->mimeType = $this->info->getMimetype();
}
}
return $this;
}
/**
* set the path of the file you want a thumbnail from
* @param string $file
* @return $this
*/
public function setFile($file)
{
$this->file = $file;
$this->info = null;
if ($file !== '') {
$this->getFileInfo();
if ($this->info instanceof \OCP\Files\FileInfo) {
$this->mimeType = $this->info->getMimetype();
}
}
return $this;
}
/**
* Create a new file search result
* @param FileInfo $data file data given by provider
*/
public function __construct(FileInfo $data)
{
$path = $this->getRelativePath($data->getPath());
$info = pathinfo($path);
$this->id = $data->getId();
$this->name = $info['basename'];
$this->link = \OCP\Util::linkTo('files', 'index.php', array('dir' => $info['dirname'], 'file' => $info['basename']));
$this->permissions = $data->getPermissions();
$this->path = $path;
$this->size = $data->getSize();
$this->modified = $data->getMtime();
$this->mime_type = $data->getMimetype();
}
/**
* Create a new file search result
* @param FileInfo $data file data given by provider
*/
public function __construct(FileInfo $data)
{
$path = $this->getRelativePath($data->getPath());
$info = pathinfo($path);
$this->id = $data->getId();
$this->name = $info['basename'];
$this->link = \OC::$server->getURLGenerator()->linkToRoute('files.view.index', ['dir' => $info['dirname'], 'scrollto' => $info['basename']]);
$this->permissions = $data->getPermissions();
$this->path = $path;
$this->size = $data->getSize();
$this->modified = $data->getMtime();
$this->mime = $data->getMimetype();
}
/**
* Sends the preview, including the headers to client which requested it
*
* @param null|string $mimeTypeForHeaders the media type to use when sending back the reply
*
* @throws NotFoundException
*/
public function showPreview($mimeTypeForHeaders = null)
{
// Check if file is valid
if ($this->isFileValid() === false) {
throw new NotFoundException('File not found.');
}
if ($cachedPath = $this->isCached($this->info->getId())) {
header('Content-Type: ' . $this->info->getMimetype());
$this->userView->readfile($cachedPath);
return;
}
if (is_null($this->preview)) {
$this->getPreview();
}
if ($this->preview instanceof \OCP\IImage) {
if ($this->preview->valid()) {
\OCP\Response::enableCaching(3600 * 24);
// 24 hours
} else {
$this->getMimeIcon();
}
$this->preview->show($mimeTypeForHeaders);
}
}
/**
* Check if a preview can be generated for a file
*
* @param \OCP\Files\FileInfo $file
* @return bool
*/
public function isAvailable(\OCP\Files\FileInfo $file)
{
if (!$this->config->getSystemValue('enable_previews', true)) {
return false;
}
$this->registerCoreProviders();
if (!$this->isMimeSupported($file->getMimetype())) {
return false;
}
$mount = $file->getMountPoint();
if ($mount and !$mount->getOption('previews', true)) {
return false;
}
foreach ($this->providers as $supportedMimeType => $providers) {
if (preg_match($supportedMimeType, $file->getMimetype())) {
foreach ($providers as $closure) {
$provider = $closure();
if (!$provider instanceof IProvider) {
continue;
}
/** @var $provider IProvider */
if ($provider->isAvailable($file)) {
return true;
}
}
}
}
return false;
}
/**
* Comparator function to sort files by size
*
* @param \OCP\Files\FileInfo $a file
* @param \OCP\Files\FileInfo $b file
* @return int -1 if $a must come before $b, 1 otherwise
*/
public static function compareSize(FileInfo $a, FileInfo $b)
{
$aSize = $a->getSize();
$bSize = $b->getSize();
return $aSize < $bSize ? -1 : 1;
}
/**
* {@inheritDoc}
*/
public function isAvailable(\OCP\Files\FileInfo $file)
{
return $file->getSize() > 0;
}
/**
* Returns the ETag for a file
*
* An ETag is a unique identifier representing the current version of the
* file. If the file changes, the ETag MUST change. The ETag is an
* arbitrary string, but MUST be surrounded by double-quotes.
*
* Return null if the ETag can not effectively be determined
*
* @return mixed
*/
public function getETag()
{
return '"' . $this->info->getEtag() . '"';
}
/**
* Comparator function to sort files by size
*
* @param \OCP\Files\FileInfo $a file
* @param \OCP\Files\FileInfo $b file
* @return int -1 if $a must come before $b, 1 otherwise
*/
public static function compareSize($a, $b)
{
$aSize = $a->getSize();
$bSize = $b->getSize();
return $aSize - $bSize;
}
/**
* Formats the file info to be returned as JSON to the client.
*
* @param \OCP\Files\FileInfo $i
* @return array formatted file info
*/
public static function formatFileInfo(FileInfo $i)
{
$entry = array();
$entry['id'] = $i['fileid'];
$entry['parentId'] = $i['parent'];
$entry['mtime'] = $i['mtime'] * 1000;
// only pick out the needed attributes
$entry['name'] = $i->getName();
$entry['permissions'] = $i['permissions'];
$entry['mimetype'] = $i['mimetype'];
$entry['size'] = $i['size'];
$entry['type'] = $i['type'];
$entry['etag'] = $i['etag'];
if (isset($i['tags'])) {
$entry['tags'] = $i['tags'];
}
if (isset($i['displayname_owner'])) {
$entry['shareOwner'] = $i['displayname_owner'];
}
if (isset($i['is_share_mount_point'])) {
$entry['isShareMountPoint'] = $i['is_share_mount_point'];
}
$mountType = null;
if ($i->isShared()) {
$mountType = 'shared';
} else {
if ($i->isMounted()) {
$mountType = 'external';
}
}
if ($mountType !== null) {
if ($i->getInternalPath() === '') {
$mountType .= '-root';
}
$entry['mountType'] = $mountType;
}
if (isset($i['extraData'])) {
$entry['extraData'] = $i['extraData'];
}
return $entry;
}
