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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) return res.sendStatus(404)
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 })
}
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