server/middlewares/validators/redundancy.ts

   1 import * as express from 'express'
   2 import { body, param } from 'express-validator'
   3 import { exists, isBooleanValid, isIdOrUUIDValid, toBooleanOrNull, toIntOrNull } from '../../helpers/custom-validators/misc'
   4 import { logger } from '../../helpers/logger'
   5 import { areValidationErrors } from './utils'
   6 import { VideoRedundancyModel } from '../../models/redundancy/video-redundancy'
   7 import { isHostValid } from '../../helpers/custom-validators/servers'
   8 import { ServerModel } from '../../models/server/server'
   9 import { doesVideoExist } from '../../helpers/middlewares'
  10
  11 const videoFileRedundancyGetValidator = [
  12   param('videoId').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid video id'),
  13   param('resolution')
  14     .customSanitizer(toIntOrNull)
  15     .custom(exists).withMessage('Should have a valid resolution'),
  16   param('fps')
  17     .optional()
  18     .customSanitizer(toIntOrNull)
  19     .custom(exists).withMessage('Should have a valid fps'),
  20
  21   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  22     logger.debug('Checking videoFileRedundancyGetValidator parameters', { parameters: req.params })
  23
  24     if (areValidationErrors(req, res)) return
  25     if (!await doesVideoExist(req.params.videoId, res)) return
  26
  27     const video = res.locals.videoAll
  28
  29     const paramResolution = req.params.resolution as unknown as number // We casted to int above
  30     const paramFPS = req.params.fps as unknown as number // We casted to int above
  31
  32     const videoFile = video.VideoFiles.find(f => {
  33       return f.resolution === paramResolution && (!req.params.fps || paramFPS)
  34     })
  35
  36     if (!videoFile) return res.status(404).json({ error: 'Video file not found.' })
  37     res.locals.videoFile = videoFile
  38
  39     const videoRedundancy = await VideoRedundancyModel.loadLocalByFileId(videoFile.id)
  40     if (!videoRedundancy) return res.status(404).json({ error: 'Video redundancy not found.' })
  41     res.locals.videoRedundancy = videoRedundancy
  42
  43     return next()
  44   }
  45 ]
  46
  47 const videoPlaylistRedundancyGetValidator = [
  48   param('videoId')
  49     .custom(isIdOrUUIDValid)
  50     .not().isEmpty().withMessage('Should have a valid video id'),
  51   param('streamingPlaylistType')
  52     .customSanitizer(toIntOrNull)
  53     .custom(exists).withMessage('Should have a valid streaming playlist type'),
  54
  55   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  56     logger.debug('Checking videoPlaylistRedundancyGetValidator parameters', { parameters: req.params })
  57
  58     if (areValidationErrors(req, res)) return
  59     if (!await doesVideoExist(req.params.videoId, res)) return
  60
  61     const video = res.locals.videoAll
  62
  63     const paramPlaylistType = req.params.streamingPlaylistType as unknown as number // We casted to int above
  64     const videoStreamingPlaylist = video.VideoStreamingPlaylists.find(p => p.type === paramPlaylistType)
  65
  66     if (!videoStreamingPlaylist) return res.status(404).json({ error: 'Video playlist not found.' })
  67     res.locals.videoStreamingPlaylist = videoStreamingPlaylist
  68
  69     const videoRedundancy = await VideoRedundancyModel.loadLocalByStreamingPlaylistId(videoStreamingPlaylist.id)
  70     if (!videoRedundancy) return res.status(404).json({ error: 'Video redundancy not found.' })
  71     res.locals.videoRedundancy = videoRedundancy
  72
  73     return next()
  74   }
  75 ]
  76
  77 const updateServerRedundancyValidator = [
  78   param('host').custom(isHostValid).withMessage('Should have a valid host'),
  79   body('redundancyAllowed')
  80     .customSanitizer(toBooleanOrNull)
  81     .custom(isBooleanValid).withMessage('Should have a valid redundancyAllowed attribute'),
  82
  83   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  84     logger.debug('Checking updateServerRedundancy parameters', { parameters: req.params })
  85
  86     if (areValidationErrors(req, res)) return
  87
  88     const server = await ServerModel.loadByHost(req.params.host)
  89
  90     if (!server) {
  91       return res
  92         .status(404)
  93         .json({
  94           error: `Server ${req.params.host} not found.`
  95         })
  96         .end()
  97     }
  98
  99     res.locals.server = server
 100     return next()
 101   }
 102 ]
 103
 104 // ---------------------------------------------------------------------------
 105
 106 export {
 107   videoFileRedundancyGetValidator,
 108   videoPlaylistRedundancyGetValidator,
 109   updateServerRedundancyValidator
 110 }