Exemple #1
0
 /**
  * Create new genesis document
  * @param OCA\Documents\File $file 
  * */
 public function __construct(\OCA\Documents\File $file)
 {
     list($view, $path) = $file->getOwnerViewAndPath();
     $owner = $file->getOwner();
     $this->view = new View('/' . $owner);
     if (!$this->view->file_exists(self::DOCUMENTS_DIRNAME)) {
         $this->view->mkdir(self::DOCUMENTS_DIRNAME);
     }
     $this->hash = $this->getDocumentHash($view, $path);
     $this->path = self::DOCUMENTS_DIRNAME . '/' . $this->hash . '.odt';
     if (!$this->view->file_exists($this->path)) {
         //copy new genesis to /user/documents/{hash}.odt
         // get decrypted content
         $content = $view->file_get_contents($path);
         $mimetype = $view->getMimeType($path);
         $data = Filter::read($content, $mimetype);
         $proxyStatus = \OC_FileProxy::$enabled;
         \OC_FileProxy::$enabled = false;
         $this->view->file_put_contents($this->path, $data['content']);
         \OC_FileProxy::$enabled = $proxyStatus;
     }
     try {
         $this->validate($this->view, $this->path);
     } catch (\Exception $e) {
         throw new \Exception('Failed to copy genesis');
     }
 }
Exemple #2
0
 /**
  * Start a editing session or return an existing one
  * @param string $uid of the user starting a session
  * @param \OCA\Documents\File $file - file object
  * @return array
  * @throws \Exception
  */
 public static function start($uid, $file)
 {
     // Create a directory to store genesis
     $genesis = new Genesis($file);
     list($ownerView, $path) = $file->getOwnerViewAndPath();
     $oldSession = new Db_Session();
     $oldSession->loadBy('file_id', $file->getFileId());
     //If there is no existing session we need to start a new one
     if (!$oldSession->hasData()) {
         $newSession = new Db_Session(array($genesis->getPath(), $genesis->getHash(), $file->getOwner(), $file->getFileId()));
         if (!$newSession->insert()) {
             throw new \Exception('Failed to add session into database');
         }
     }
     $sessionData = $oldSession->loadBy('file_id', $file->getFileId())->getData();
     $memberColor = Helper::getMemberColor($uid);
     $member = new Db_Member(array($sessionData['es_id'], $uid, $memberColor, time(), intval($file->isPublicShare()), $file->getToken()));
     if ($member->insert()) {
         // Do we have OC_Avatar in out disposal?
         if (!class_exists('\\OC_Avatar') || \OC_Config::getValue('enable_avatars', true) !== true) {
             $imageUrl = 'data:image/gif;base64,R0lGODlhAQABAIAAAAAAAAAAACH5BAAAAAAALAAAAAABAAEAAAICTAEAOw==';
         } else {
             $imageUrl = $uid;
         }
         $displayName = $file->isPublicShare() ? $uid . ' ' . Db_Member::getGuestPostfix() : \OCP\User::getDisplayName($uid);
         $sessionData['member_id'] = (string) $member->getLastInsertId();
         $op = new Db_Op();
         $op->addMember($sessionData['es_id'], $sessionData['member_id'], $displayName, $memberColor, $imageUrl);
     } else {
         throw new \Exception('Failed to add member into database');
     }
     $sessionData['title'] = basename($path);
     $sessionData['permissions'] = $ownerView->getFilePermissions($path);
     return $sessionData;
 }
Exemple #3
0
 public static function getByShareToken($token)
 {
     $linkItem = \OCP\Share::getShareByToken($token, false);
     if (is_array($linkItem) && isset($linkItem['uid_owner'])) {
         // seems to be a valid share
         $rootLinkItem = \OCP\Share::resolveReShare($linkItem);
     } else {
         throw new \Exception('This file was probably unshared');
     }
     $file = new File($rootLinkItem['file_source'], $rootLinkItem, $token);
     if (isset($linkItem['share_with']) && !empty($linkItem['share_with'])) {
         $file->setPasswordProtected(true);
     }
     return $file;
 }
Exemple #4
0
 /**
  * Start a editing session or return an existing one
  * @param string $uid of the user starting a session
  * @param \OCA\Documents\File $file - file object
  * @return array
  * @throws \Exception
  */
 public static function start($uid, $file)
 {
     // Create a directory to store genesis
     $genesis = new \OCA\Documents\Genesis($file);
     list($ownerView, $path) = $file->getOwnerViewAndPath();
     $mimetype = $ownerView->getMimeType($path);
     if (!Filter::isSupportedMimetype($mimetype)) {
         throw new \Exception($path . ' is ' . $mimetype . ' and is not supported by Documents app');
     }
     $oldSession = new Session();
     $oldSession->loadBy('file_id', $file->getFileId());
     //If there is no existing session we need to start a new one
     if (!$oldSession->hasData()) {
         $newSession = new Session(array($genesis->getPath(), $genesis->getHash(), $file->getOwner(), $file->getFileId()));
         if (!$newSession->insert()) {
             throw new \Exception('Failed to add session into database');
         }
     }
     $sessionData = $oldSession->loadBy('file_id', $file->getFileId())->getData();
     $memberColor = \OCA\Documents\Helper::getMemberColor($uid);
     $member = new \OCA\Documents\Db\Member(array($sessionData['es_id'], $uid, $memberColor, time(), intval($file->isPublicShare()), $file->getToken()));
     if (!$member->insert()) {
         throw new \Exception('Failed to add member into database');
     }
     $sessionData['member_id'] = (string) $member->getLastInsertId();
     // Do we have OC_Avatar in out disposal?
     if (\OC::$server->getConfig()->getSystemValue('enable_avatars', true) !== true) {
         $imageUrl = 'data:image/gif;base64,R0lGODlhAQABAIAAAAAAAAAAACH5BAAAAAAALAAAAAABAAEAAAICTAEAOw==';
     } else {
         $imageUrl = $uid;
     }
     $displayName = $file->isPublicShare() ? $uid . ' ' . \OCA\Documents\Db\Member::getGuestPostfix() : \OC::$server->getUserSession()->getUser()->getDisplayName($uid);
     $userId = $file->isPublicShare() ? $displayName : \OC::$server->getUserSession()->getUser()->getUID();
     $op = new \OCA\Documents\Db\Op();
     $op->addMember($sessionData['es_id'], $sessionData['member_id'], $displayName, $userId, $memberColor, $imageUrl);
     $sessionData['title'] = basename($path);
     $fileInfo = $ownerView->getFileInfo($path);
     $sessionData['permissions'] = $fileInfo->getPermissions();
     return $sessionData;
 }
 /**
  * @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 $response;
 }
 protected function validateSession($session)
 {
     try {
         if (is_null($this->shareToken)) {
             new File($session->getFileId());
         } else {
             File::getByShareToken($this->shareToken);
         }
     } catch (\Exception $e) {
         $this->logger->warning('Error. Session no longer exists. ' . $e->getMessage(), ['app' => $this->appName]);
         $ex = new BadRequestException();
         $ex->setBody(implode(',', $this->request->getParams()));
         throw $ex;
     }
 }