-const videoCaptionTypes = Object.keys(MIMETYPES.VIDEO_CAPTIONS.MIMETYPE_EXT)
- .concat([ 'application/octet-stream' ]) // MacOS sends application/octet-stream ><
- .map(m => `(${m})`)
-const videoCaptionTypesRegex = videoCaptionTypes.join('|')
-function isVideoCaptionFile (files: { [ fieldname: string ]: Express.Multer.File[] } | Express.Multer.File[], field: string) {
- return isFileValid(files, videoCaptionTypesRegex, field, CONSTRAINTS_FIELDS.VIDEO_CAPTIONS.CAPTION_FILE.FILE_SIZE.max)
+// MacOS sends application/octet-stream
+const videoCaptionTypesRegex = [ ...Object.keys(MIMETYPES.VIDEO_CAPTIONS.MIMETYPE_EXT), 'application/octet-stream' ]
+ .map(m => `(${m})`)
+ .join('|')
+
+function isVideoCaptionFile (files: UploadFilesForCheck, field: string) {
+ return isFileValid({
+ files,
+ mimeTypeRegex: videoCaptionTypesRegex,
+ field,
+ maxSize: CONSTRAINTS_FIELDS.VIDEO_CAPTIONS.CAPTION_FILE.FILE_SIZE.max
+ })
+}
+
+async function isVTTFileValid (filePath: string) {
+ const size = await getFileSize(filePath)
+ const content = await readFile(filePath, 'utf8')
+
+ logger.debug('Checking VTT file %s', filePath, { size, content })
+
+ if (size > CONSTRAINTS_FIELDS.VIDEO_CAPTIONS.CAPTION_FILE.FILE_SIZE.max) return false
+
+ return content?.startsWith('WEBVTT')