/**
* @NoAdminRequired
* @PublicPage
* Store the document content to its origin
*/
public function save()
{
try {
$esId = $this->request->server['HTTP_WEBODF_SESSION_ID'];
if (!$esId) {
throw new \Exception('Session id can not be empty');
}
$memberId = $this->request->server['HTTP_WEBODF_MEMBER_ID'];
$currentMember = new Db\Member();
$currentMember->load($memberId);
//check if member belongs to the session
if ($esId != $currentMember->getEsId()) {
throw new \Exception($memberId . ' does not belong to session ' . $esId);
}
// Extra info for future usage
// $sessionRevision = $this->request->server['HTTP_WEBODF_SESSION_REVISION'];
//NB ouch! New document content is passed as an input stream content
$stream = fopen('php://input', 'r');
if (!$stream) {
throw new \Exception('New content missing');
}
$content = stream_get_contents($stream);
$session = new Db\Session();
$session->load($esId);
if (!$session->getEsId()) {
throw new \Exception('Session does not exist');
}
try {
if ($currentMember->getIsGuest()) {
$file = File::getByShareToken($currentMember->getToken());
} else {
$file = new File($session->getFileId());
}
list($view, $path) = $file->getOwnerViewAndPath(true);
} catch (\Exception $e) {
//File was deleted or unshared. We need to save content as new file anyway
//Sorry, but for guests it would be lost :(
if ($this->uid) {
$view = new View('/' . $this->uid . '/files');
$dir = \OCP\Config::getUserValue($this->uid, 'documents', 'save_path', '');
$path = Helper::getNewFileName($view, $dir . 'New Document.odt');
} else {
throw $e;
}
}
$member = new Db\Member();
$members = $member->getActiveCollection($esId);
$memberIds = array_map(function ($x) {
return $x['member_id'];
}, $members);
// Active users except current user
$memberCount = count($memberIds) - 1;
if ($view->file_exists($path)) {
$currentHash = sha1($view->file_get_contents($path));
if (!Helper::isVersionsEnabled() && $currentHash !== $session->getGenesisHash()) {
// Original file was modified externally. Save to a new one
$path = Helper::getNewFileName($view, $path, '-conflict');
}
$mimetype = $view->getMimeType($path);
} else {
$mimetype = Storage::MIMETYPE_LIBREOFFICE_WORDPROCESSOR;
}
$data = Filter::write($content, $mimetype);
if ($view->file_put_contents($path, $data['content'])) {
// Not a last user
if ($memberCount > 0) {
// Update genesis hash to prevent conflicts
$this->logger->debug('Update hash', array('app' => $this->appName));
$session->updateGenesisHash($esId, sha1($data['content']));
} else {
// Last user. Kill session data
Db\Session::cleanUp($esId);
}
$view->touch($path);
}
$response = array('status' => 'success');
} catch (\Exception $e) {
$this->logger->warning('Saving failed. Reason:' . $e->getMessage(), array('app' => $this->appName));
\OC_Response::setStatus(500);
$response = array();
}
return $response;
}
/**
* @NoAdminRequired
* lists the documents the user has access to (including shared files, once the code in core has been fixed)
* also adds session and member info for these files
*/
public function listAll()
{
$found = Storage::getDocuments();
$fileIds = array();
$documents = array();
foreach ($found as $key => $document) {
if (is_object($document)) {
$documents[] = $document->getData();
} else {
$documents[$key] = $document;
}
$documents[$key]['icon'] = preg_replace('/\\.png$/', '.svg', \OC_Helper::mimetypeIcon($document['mimetype']));
$fileIds[] = $document['fileid'];
}
usort($documents, function ($a, $b) {
return @$b['mtime'] - @$a['mtime'];
});
$session = new Db\Session();
$sessions = $session->getCollectionBy('file_id', $fileIds);
$members = array();
$member = new Db\Member();
foreach ($sessions as $session) {
$members[$session['es_id']] = $member->getActiveCollection($session['es_id']);
}
return array('status' => 'success', 'documents' => $documents, 'sessions' => $sessions, 'members' => $members);
}
protected function getUniqueSessionId()
{
$testSession = new Session();
do {
$id = \OC_Util::generateRandomBytes(30);
} while ($testSession->load($id)->hasData());
return $id;
}
protected function getUniqueSessionId()
{
$testSession = new Session();
do {
$id = \OC::$server->getSecureRandom()->getMediumStrengthGenerator()->generate(30, ISecureRandom::CHAR_LOWER . ISecureRandom::CHAR_DIGITS);
} while ($testSession->load($id)->hasData());
return $id;
}
protected function loadSession($esId)
{
if (!$esId) {
throw new \Exception('Session id can not be empty');
}
$session = new Db\Session();
$session->load($esId);
if (!$session->getEsId()) {
throw new \Exception('Session does not exist');
}
return $session;
}
