Add ability to import video with youtube-dl

server/helpers/custom-validators/video-imports.ts

@@ -0,0 +1,30 @@
+import 'express-validator'
+import 'multer'
+import * as validator from 'validator'
+import { CONSTRAINTS_FIELDS, VIDEO_IMPORT_STATES } from '../../initializers'
+import { exists } from './misc'
+
+function isVideoImportTargetUrlValid (url: string) {
+  const isURLOptions = {
+    require_host: true,
+    require_tld: true,
+    require_protocol: true,
+    require_valid_protocol: true,
+    protocols: [ 'http', 'https' ]
+  }
+
+  return exists(url) &&
+    validator.isURL('' + url, isURLOptions) &&
+    validator.isLength('' + url, CONSTRAINTS_FIELDS.VIDEO_IMPORTS.URL)
+}
+
+function isVideoImportStateValid (value: any) {
+  return exists(value) && VIDEO_IMPORT_STATES[ value ] !== undefined
+}
+
+// ---------------------------------------------------------------------------
+
+export {
+  isVideoImportStateValid,
+  isVideoImportTargetUrlValid
+}