1 files changed, 25 insertions, 0 deletions

diff --git a/server/helpers/custom-validators/user-registration.ts b/server/helpers/custom-validators/user-registration.ts
new file mode 100644
index 000000000..9da0bb08a
--- /dev/null
+++ b/server/helpers/custom-validators/user-registration.ts
@@ -0,0 +1,25 @@
+import validator from 'validator'
+import { CONSTRAINTS_FIELDS, USER_REGISTRATION_STATES } from '../../initializers/constants'
+import { exists } from './misc'
+
+const USER_REGISTRATIONS_CONSTRAINTS_FIELDS = CONSTRAINTS_FIELDS.USER_REGISTRATIONS
+
+function isRegistrationStateValid (value: string) {
+  return exists(value) && USER_REGISTRATION_STATES[value] !== undefined
+}
+
+function isRegistrationModerationResponseValid (value: string) {
+  return exists(value) && validator.isLength(value, USER_REGISTRATIONS_CONSTRAINTS_FIELDS.MODERATOR_MESSAGE)
+}
+
+function isRegistrationReasonValid (value: string) {
+  return exists(value) && validator.isLength(value, USER_REGISTRATIONS_CONSTRAINTS_FIELDS.REASON_MESSAGE)
+}
+
+// ---------------------------------------------------------------------------
+
+export {
+  isRegistrationStateValid,
+  isRegistrationModerationResponseValid,
+  isRegistrationReasonValid
+}