import * as cors from 'cors' import * as express from 'express' import { LAZY_STATIC_PATHS, STATIC_MAX_AGE } from '../initializers/constants' import { VideosCaptionCache, VideosPreviewCache } from '../lib/files-cache' import { asyncMiddleware } from '../middlewares' import { AvatarModel } from '../models/avatar/avatar' import { logger } from '../helpers/logger' import { avatarPathUnsafeCache, pushAvatarProcessInQueue } from '../lib/avatar' const lazyStaticRouter = express.Router() lazyStaticRouter.use(cors()) lazyStaticRouter.use( LAZY_STATIC_PATHS.AVATARS + ':filename', asyncMiddleware(getAvatar) ) lazyStaticRouter.use( LAZY_STATIC_PATHS.PREVIEWS + ':uuid.jpg', asyncMiddleware(getPreview) ) lazyStaticRouter.use( LAZY_STATIC_PATHS.VIDEO_CAPTIONS + ':videoId-:captionLanguage([a-z]+).vtt', asyncMiddleware(getVideoCaption) ) // --------------------------------------------------------------------------- export { lazyStaticRouter, getPreview, getVideoCaption } // --------------------------------------------------------------------------- async function getAvatar (req: express.Request, res: express.Response) { const filename = req.params.filename if (avatarPathUnsafeCache.has(filename)) { return res.sendFile(avatarPathUnsafeCache.get(filename), { maxAge: STATIC_MAX_AGE.SERVER }) } const avatar = await AvatarModel.loadByName(filename) if (avatar.onDisk === false) { if (!avatar.fileUrl) return res.sendStatus(404) logger.info('Lazy serve remote avatar image %s.', avatar.fileUrl) try { await pushAvatarProcessInQueue({ filename: avatar.filename, fileUrl: avatar.fileUrl }) } catch (err) { logger.warn('Cannot process remote avatar %s.', avatar.fileUrl, { err }) return res.sendStatus(404) } avatar.onDisk = true avatar.save() .catch(err => logger.error('Cannot save new avatar disk state.', { err })) } const path = avatar.getPath() avatarPathUnsafeCache.set(filename, path) return res.sendFile(path, { maxAge: STATIC_MAX_AGE.SERVER }) } async function getPreview (req: express.Request, res: express.Response) { const result = await VideosPreviewCache.Instance.getFilePath(req.params.uuid) if (!result) return res.sendStatus(404) return res.sendFile(result.path, { maxAge: STATIC_MAX_AGE.SERVER }) } async function getVideoCaption (req: express.Request, res: express.Response) { const result = await VideosCaptionCache.Instance.getFilePath({ videoId: req.params.videoId, language: req.params.captionLanguage }) if (!result) return res.sendStatus(404) return res.sendFile(result.path, { maxAge: STATIC_MAX_AGE.SERVER }) }