public function url_for_parent_directory($entry, $parent_id = null)
{
if (is_array($entry)) {
$entry = reset($entry);
}
if (!is_object($entry)) {
$entry = new DirectoryEntry($entry);
}
$parent_id = $parent_id ?: FileHelper::getParentId($entry->id) ?: $this->context_id;
$parent_page = $this->getPageForIndex($entry->indexInparent());
return $this->url_for('document/files/index/' . $parent_id . '/' . $parent_page);
}
/**
* @param array $entries
* @return DirectoryEntries
* @throws \InvalidArgumentException
*/
public static function fromArray($entries) {
$cleanEntries = array();
foreach($entries as $entry) {
if(!isset($entry['id'], $entry['label'])) {
throw new \InvalidArgumentException(DirectoryEntry::MSG_ID_LABEL_MANDATORY);
}
$cleanEntries[] = $clean = new DirectoryEntry($entry['id'], $entry['label']);
isset($entry['obsolete']) ? $clean->setObsolete($entry['obsolete']):null;
isset($entry['ordering']) ? $clean->setOrdering($entry['ordering']):null;
}
return new DirectoryEntries($cleanEntries);
}
/**
* Returns the Parent from an Entry.
*
* @return DirectoryEntry Parent entry
* @throws Exception if no valid parent is found
*/
public function getParent()
{
$entries = DirectoryEntry::findByFile_id($this->parent_id);
if (count($entries) === 0) {
throw new Exception('No parent found');
}
return $entries[0];
}
/**
* Checks whether the user may access a file or a bunch of files if you
* pass an array.
*
* @param mixed $files Either a single directory entry id or an array of those
* (DirectoryEntry or File object(s) are also valid)
* @param mixed $user_id Id of the user or null for current user (default)
* @param bool $throw_exception Throw an AccessDeniedException instead of
* returning false
* @return bool indicating whether the user may access this file/these files
* @throws AccessDeniedException if $throw_exception is true and the user
* may not access the file(s)
*/
public static function CheckAccess($files, $user_id = null, $throw_exception = true)
{
if (!is_array($files)) {
$files = array($files);
}
$user_id = $user_id ?: $GLOBALS['user']->id;
foreach ($files as $file) {
try {
if (!is_object($file)) {
$file = DirectoryEntry::find($file);
}
if ($file instanceof DirectoryEntry) {
$file = $file->file;
}
if (!$file instanceof File || !$file->checkAccess()) {
throw new Exception();
}
} catch (Exception $e) {
if (!is_object($file) && ($file === $GLOBALS['user']->id || $GLOBALS['perm']->have_perm('root'))) {
continue;
}
if ($throw_exception) {
throw new AccessDeniedException(_('Sie dürfen auf dieses Objekt nicht zugreifen.'));
}
return false;
}
}
return true;
}
/**
* Downloads a single file.
*
* @param DirectoryEntry $entry Directory entry to download
* @param bool $inline Download as inline
*/
protected function download_file(DirectoryEntry $entry, $inline)
{
$file = $entry->file;
$storage = $file->getStorageObject();
if (!$storage->exists() || !$storage->isReadable()) {
throw new Exception('Cannot access file "' . $storage->getPath() . '"');
}
$entry->downloads += 1;
$entry->store();
Metrics::increment('core.personal_files.downloads');
$this->initiateDownload($inline, $file->filename, $file->mime_type, $file->size, $storage->open('r'));
}
public function __construct($path, $siteId = null)
{
parent::__construct($path, $siteId);
}
public function __construct($path)
{
parent::__construct($path);
}
/**
* Deletes a file.
*
* @param String $id Directory entry id of the file to delete
*/
public function delete_action($id)
{
if (!$this->full_access) {
throw new AccessDeniedException();
}
$entry = DirectoryEntry::find($id);
$parent_id = FileHelper::getParentId($id) ?: $this->context_id;
$entry->checkAccess();
if (!Request::isPost()) {
$question = createQuestion2(_('Soll die Datei wirklich gelöscht werden?'), array(), array(), $this->url_for('document/files/delete/' . $id));
$this->flash['question'] = $question;
} elseif (Request::isPost() && Request::submitted('yes')) {
File::get($entry->directory->id)->unlink($entry->name);
PageLayout::postMessage(MessageBox::success(_('Die Datei wurde gelöscht.')));
}
$this->redirect('document/files/index/' . $parent_id);
}
/**
* Converts URLs in images so that the webserver can access them without proxy.
* @param string $url of an image
* @return string " src=\"".$converted_url."\""
*/
protected function convertURL($url)
{
$convurl = $url;
$url_elements = @parse_url($url);
$url = $url_elements['path'] . '?' . $url_elements['query'];
if (strpos(implode('#', $this->domains), $url_elements['host']) !== false) {
if (strpos($url, 'dispatch.php/media_proxy?url=') !== false) {
$targeturl = urldecode(substr($url, 4));
try {
// is file in cache?
if (!($metadata = $this->media_proxy->getMetaData($targeturl))) {
$convurl = $targeturl;
} else {
$convurl = $this->config->getValue('MEDIA_CACHE_PATH') . '/' . md5($targeturl);
}
} catch (Exception $e) {
$convurl = '';
}
} else {
if (stripos($url, 'dispatch.php/document/download') !== false) {
if (preg_match('#([a-f0-9]{32})#', $url, $matches)) {
$convurl = DirectoryEntry::find($matches[1])->file->getStorageObject()->getPath();
}
} else {
if (stripos($url, 'download') !== false || stripos($url, 'sendfile.php') !== false) {
//// get file id
if (preg_match('#([a-f0-9]{32})#', $url, $matches)) {
$document = new StudipDocument($matches[1]);
if ($document->checkAccess($GLOBALS['user']->id)) {
$convurl = get_upload_file_path($matches[1]);
} else {
$convurl = Assets::image_path('messagebox/exception.png');
}
}
}
}
}
}
return 'src="' . $convurl . '"';
}
private static function directoryTreeBuilder($dir, $ignore, $mode = Merville::LIVE_MODE, $parents = null)
{
if ($dh = opendir($dir)) {
$node = new DirectoryEntry($dir, $parents);
$new_parents = $parents;
if (is_null($new_parents)) {
$new_parents = array();
} else {
$new_parents[] = $node;
}
while (($entry = readdir($dh)) !== false) {
if ($entry == '.' || $entry == '..') {
continue;
}
$path = $dir . DIRECTORY_SEPARATOR . $entry;
if (is_dir($path) && in_array($entry, $ignore['folders'])) {
continue;
}
if (!is_dir($path) && in_array($entry, $ignore['files'])) {
continue;
}
$file_details = static::pathinfo($path);
if (is_dir($path)) {
$entry = static::directoryTreeBuilder($path, $ignore, $mode, $new_parents);
} elseif (in_array($file_details['extension'], Merville::$VALID_MARKDOWN_EXTENSIONS)) {
$entry = new DirectoryEntry($path, $new_parents);
if ($mode === Merville::STATIC_MODE) {
$entry->uri .= '.html';
}
}
if ($entry instanceof DirectoryEntry) {
$node->value[$entry->uri] = $entry;
}
}
$node->sort();
$node->first_page = $node->get_first_page();
$index_key = $mode === Merville::LIVE_MODE ? 'index' : 'index.html';
if (isset($node->value[$index_key])) {
$node->value[$index_key]->first_page = $node->first_page;
$node->index_page = $node->value[$index_key];
} else {
$node->index_page = false;
}
return $node;
}
}
/**
* Deletes a folder.
*
* @param String $folder_id Directory entry id of the folder
*/
public function delete_action($folder_id)
{
if (!$this->full_access) {
throw new AccessDeniedException();
}
FileHelper::checkAccess($folder_id);
$parent_id = FileHelper::getParentId($folder_id) ?: $this->context_id;
if (!Request::isPost()) {
$message = $folder_id === 'all' ? _('Soll der gesamte Dateibereich inklusive aller Order und Dateien wirklich gelöscht werden?') : _('Soll der Ordner inklusive aller darin enthaltenen Dateien wirklich gelöscht werden?');
$question = createQuestion2($message, array(), array(), $this->url_for('document/folder/delete/' . $folder_id));
$this->flash['question'] = $question;
} elseif (Request::isPost() && Request::submitted('yes')) {
if ($folder_id === 'all') {
$entry = RootDirectory::find($this->context_id);
foreach ($entry->listFiles() as $file) {
$entry->unlink($file->name);
}
PageLayout::postMessage(MessageBox::success(_('Der Dateibereich wurde geleert.')));
} else {
$entry = DirectoryEntry::find($folder_id);
$entry->directory->unlink($entry->name);
PageLayout::postMessage(MessageBox::success(_('Der Ordner wurde gelöscht.')));
}
}
$this->redirect('document/files/index/' . $parent_id);
}
/**
* Create a new entry in this directory for the given file
* under the given name. This will increase the link count
* of the file by one.
*
* @param File $file file to link
* @param string $name new file name
* @param string $description optional description
*
* @return DirectoryEntry created DirectoryEntry object
*/
public function link(File $file, $name, $description = '')
{
$name = FileHelper::CompressFilename($name);
$name = $this->ensureUniqueFilename($name, $file);
$entry = new DirectoryEntry();
$entry->file_id = $file->id;
$entry->parent_id = $this->file_id;
$entry->name = $name;
$entry->description = $description;
$entry->store();
return $entry;
}