From 40e87e9ecc54e3513fb586928330a7855eb192c6 Mon Sep 17 00:00:00 2001
From: Chocobozzz <me@florianbigard.com>
Date: Thu, 12 Jul 2018 19:02:00 +0200
Subject: Implement captions/subtitles

---
 server/middlewares/validators/video-captions.ts | 70 +++++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 server/middlewares/validators/video-captions.ts

(limited to 'server/middlewares/validators/video-captions.ts')

diff --git a/server/middlewares/validators/video-captions.ts b/server/middlewares/validators/video-captions.ts
new file mode 100644
index 000000000..b6d92d380
--- /dev/null
+++ b/server/middlewares/validators/video-captions.ts
@@ -0,0 +1,70 @@
+import * as express from 'express'
+import { areValidationErrors } from './utils'
+import { checkUserCanManageVideo, isVideoExist } from '../../helpers/custom-validators/videos'
+import { isIdOrUUIDValid } from '../../helpers/custom-validators/misc'
+import { body, param } from 'express-validator/check'
+import { CONSTRAINTS_FIELDS } from '../../initializers'
+import { UserRight } from '../../../shared'
+import { logger } from '../../helpers/logger'
+import { isVideoCaptionExist, isVideoCaptionFile, isVideoCaptionLanguageValid } from '../../helpers/custom-validators/video-captions'
+
+const addVideoCaptionValidator = [
+  param('videoId').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid video id'),
+  param('captionLanguage').custom(isVideoCaptionLanguageValid).not().isEmpty().withMessage('Should have a valid caption language'),
+  body('captionfile')
+    .custom((value, { req }) => isVideoCaptionFile(req.files, 'captionfile')).withMessage(
+    'This caption file is not supported or too large. Please, make sure it is of the following type : '
+    + CONSTRAINTS_FIELDS.VIDEO_CAPTIONS.CAPTION_FILE.EXTNAME.join(', ')
+  ),
+
+  async (req: express.Request, res: express.Response, next: express.NextFunction) => {
+    logger.debug('Checking addVideoCaption parameters', { parameters: req.body })
+
+    if (areValidationErrors(req, res)) return
+    if (!await isVideoExist(req.params.videoId, res)) return
+
+    // Check if the user who did the request is able to update the video
+    const user = res.locals.oauth.token.User
+    if (!checkUserCanManageVideo(user, res.locals.video, UserRight.UPDATE_ANY_VIDEO, res)) return
+
+    return next()
+  }
+]
+
+const deleteVideoCaptionValidator = [
+  param('videoId').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid video id'),
+  param('captionLanguage').custom(isVideoCaptionLanguageValid).not().isEmpty().withMessage('Should have a valid caption language'),
+
+  async (req: express.Request, res: express.Response, next: express.NextFunction) => {
+    logger.debug('Checking deleteVideoCaption parameters', { parameters: req.params })
+
+    if (areValidationErrors(req, res)) return
+    if (!await isVideoExist(req.params.videoId, res)) return
+    if (!await isVideoCaptionExist(res.locals.video, req.params.captionLanguage, res)) return
+
+    // Check if the user who did the request is able to update the video
+    const user = res.locals.oauth.token.User
+    if (!checkUserCanManageVideo(user, res.locals.video, UserRight.UPDATE_ANY_VIDEO, res)) return
+
+    return next()
+  }
+]
+
+const listVideoCaptionsValidator = [
+  param('videoId').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid video id'),
+
+  async (req: express.Request, res: express.Response, next: express.NextFunction) => {
+    logger.debug('Checking listVideoCaptions parameters', { parameters: req.params })
+
+    if (areValidationErrors(req, res)) return
+    if (!await isVideoExist(req.params.videoId, res)) return
+
+    return next()
+  }
+]
+
+export {
+  addVideoCaptionValidator,
+  listVideoCaptionsValidator,
+  deleteVideoCaptionValidator
+}
-- 
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