public function stream_open($path, $mode, $options, &$opened_path) { $this->loadContext('ocencryption'); $this->position = 0; $this->cache = ''; $this->writeFlag = false; $this->unencryptedBlockSize = $this->encryptionModule->getUnencryptedBlockSize($this->signed); if ($mode === 'w' || $mode === 'w+' || $mode === 'wb' || $mode === 'wb+' || $mode === 'r+' || $mode === 'rb+') { $this->readOnly = false; } else { $this->readOnly = true; } $sharePath = $this->fullPath; if (!$this->storage->file_exists($this->internalPath)) { $sharePath = dirname($sharePath); } $accessList = $this->file->getAccessList($sharePath); $this->newHeader = $this->encryptionModule->begin($this->fullPath, $this->uid, $mode, $this->header, $accessList); if ($mode === 'w' || $mode === 'w+' || $mode === 'wb' || $mode === 'wb+') { // We're writing a new file so start write counter with 0 bytes $this->unencryptedSize = 0; $this->writeHeader(); $this->headerSize = $this->util->getHeaderSize(); $this->size = $this->headerSize; } else { $this->skipHeader(); } return true; }
/** * notify encryption module about added/removed users from a file/folder * * @param string $path relative to data/ * @throws Exceptions\ModuleDoesNotExistsException */ public function update($path) { // if a folder was shared, get a list of all (sub-)folders if ($this->view->is_dir($path)) { $allFiles = $this->util->getAllFiles($path); } else { $allFiles = array($path); } $encryptionModule = $this->encryptionManager->getEncryptionModule(); foreach ($allFiles as $file) { $usersSharing = $this->file->getAccessList($file); $encryptionModule->update($file, $this->uid, $usersSharing); } }
/** * update keyfiles and share keys recursively * * @param int $fileSource file source id */ private function update($fileSource) { $path = \OC\Files\Filesystem::getPath($fileSource); $info = \OC\Files\Filesystem::getFileInfo($path); $owner = \OC\Files\Filesystem::getOwner($path); $view = new \OC\Files\View('/' . $owner . '/files'); $ownerPath = $view->getPath($info->getId()); $absPath = '/' . $owner . '/files' . $ownerPath; $mount = $this->mountManager->find($path); $mountPoint = $mount->getMountPoint(); // if a folder was shared, get a list of all (sub-)folders if ($this->view->is_dir($absPath)) { $allFiles = $this->util->getAllFiles($absPath, $mountPoint); } else { $allFiles = array($absPath); } $encryptionModule = $this->encryptionManager->getDefaultEncryptionModule(); foreach ($allFiles as $path) { $usersSharing = $this->file->getAccessList($path); $encryptionModule->update($path, $this->uid, $usersSharing); } }