server/helpers/custom-validators/webfinger.ts

   1 import { CONFIG, REMOTE_SCHEME } from '../../initializers'
   2 import { sanitizeHost } from '../core-utils'
   3 import { exists } from './misc'
   4
   5 function isWebfingerLocalResourceValid (value: string) {
   6   if (!exists(value)) return false
   7   if (value.startsWith('acct:') === false) return false
   8
   9   const actorWithHost = value.substr(5)
  10   const actorParts = actorWithHost.split('@')
  11   if (actorParts.length !== 2) return false
  12
  13   const host = actorParts[1]
  14   return sanitizeHost(host, REMOTE_SCHEME.HTTP) === CONFIG.WEBSERVER.HOST
  15 }
  16
  17 // ---------------------------------------------------------------------------
  18
  19 export {
  20   isWebfingerLocalResourceValid
  21 }