* @author Varun Patil * @license AGPL-3.0-or-later * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see . */ namespace OCA\Memories\Controller; use OCP\AppFramework\Http; use OCP\AppFramework\Http\DataDisplayResponse; use OCP\AppFramework\Http\JSONResponse; class VideoController extends ApiBase { /** * @NoAdminRequired * * @NoCSRFRequired * * Transcode a video to HLS by proxy * * @return JSONResponse an empty JSONResponse with respective http status code */ public function transcode(string $client, string $fileid, string $profile): Http\Response { $user = $this->userSession->getUser(); if (null === $user) { return new JSONResponse([], Http::STATUS_PRECONDITION_FAILED); } // Make sure not running in read-only mode if (false !== $this->config->getSystemValue('memories.no_transcode', 'UNSET')) { return new JSONResponse(['message' => 'Transcoding disabled'], Http::STATUS_FORBIDDEN); } // Check client identifier is 8 characters or more if (\strlen($client) < 8) { return new JSONResponse(['message' => 'Invalid client identifier'], Http::STATUS_BAD_REQUEST); } // Get file $files = $this->rootFolder->getUserFolder($user->getUID())->getById($fileid); if (0 === \count($files)) { return new JSONResponse(['message' => 'File not found'], Http::STATUS_NOT_FOUND); } $file = $files[0]; if (!($file->getPermissions() & \OCP\Constants::PERMISSION_READ)) { return new JSONResponse(['message' => 'File not readable'], Http::STATUS_FORBIDDEN); } // Local files only for now if (!$file->getStorage()->isLocal()) { return new JSONResponse(['message' => 'External storage not supported'], Http::STATUS_FORBIDDEN); } // Get file path $path = $file->getStorage()->getLocalFile($file->getInternalPath()); if (!$path || !file_exists($path)) { return new JSONResponse(['message' => 'File not found'], Http::STATUS_NOT_FOUND); } // Check if file starts with temp dir $tmpDir = sys_get_temp_dir(); if (0 === strpos($path, $tmpDir)) { return new JSONResponse(['message' => 'File is in temp dir!'], Http::STATUS_NOT_FOUND); } // Make upstream request [$data, $contentType, $returnCode] = $this->getUpstream($client, $path, $profile); // If status code was 0, it's likely the server is down // Make one attempt to start if we can't find the process if (0 === $returnCode) { $transcoder = $this->config->getSystemValue('memories.transcoder', false); if (!$transcoder) { return new JSONResponse(['message' => 'Transcoder not configured'], Http::STATUS_INTERNAL_SERVER_ERROR); } // Make transcoder executable if (!is_executable($transcoder)) { chmod($transcoder, 0755); } // Check for environment variables $env = ''; // QSV with VAAPI $vaapi = $this->config->getSystemValue('memories.qsv', false); if ($vaapi) { $env .= 'VAAPI=1 '; } // Paths $ffmpegPath = $this->config->getSystemValue('memories.ffmpeg_path', 'ffmpeg'); $ffprobePath = $this->config->getSystemValue('memories.ffprobe_path', 'ffprobe'); $tmpPath = $this->config->getSystemValue('memories.tmp_path', sys_get_temp_dir()); $env .= "FFMPEG='{$ffmpegPath}' FFPROBE='{$ffprobePath}' GOVOD_TEMPDIR='{$tmpPath}/go-vod' "; // Check if already running exec("pkill {$transcoder}"); shell_exec("{$env} nohup {$transcoder} > {$tmpPath}/go-vod.log 2>&1 & > /dev/null"); // wait for 1s and try again sleep(1); [$data, $contentType, $returnCode] = $this->getUpstream($client, $path, $profile); } // Check data was received if ($returnCode >= 400 || false === $data) { return new JSONResponse(['message' => 'Transcode failed'], Http::STATUS_INTERNAL_SERVER_ERROR); } // Create and send response $response = new DataDisplayResponse($data, Http::STATUS_OK, [ 'Content-Type' => $contentType, ]); $response->cacheFor(0, false, false); return $response; } private function getUpstream($client, $path, $profile) { $path = rawurlencode($path); $ch = curl_init("http://127.0.0.1:47788/{$client}{$path}/{$profile}"); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); curl_setopt($ch, CURLOPT_HEADER, 0); $data = curl_exec($ch); $contentType = curl_getinfo($ch, CURLINFO_CONTENT_TYPE); $returnCode = (int) curl_getinfo($ch, CURLINFO_HTTP_CODE); curl_close($ch); return [$data, $contentType, $returnCode]; } }