Remove valid domains as a possibility here

cmd.go

@@ -14,7 +14,6 @@ var (
 	xmppSharedSecret        = flag.String("shared-secret", "changeme", "Shared secret for authenticating to the XMPP server")
 	xmppName                = flag.String("name", "changeme", "Name for the XMPP component. Usually something like prekeys.example.org")
 	prekeyServerFingerprint = flag.String("fingerprint", "0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000", "Fingerprint for the prekey server. This is expected to be 56 bytes expressed in hexadecimal - thus 112 digits")
-	validDomains            = flag.String("valid-domains", "", "A list of all domains that are valid for users, separated by commas. An empty list is equal to no restriction.")
 )
 
 func isFingerprint(name string) bool {

message_handler.go

@@ -2,33 +2,11 @@ package main
 
 import (
 	"fmt"
-	"strings"
 
 	xco "github.com/sheenobu/go-xco"
 )
 
-func contains(a []string, x string) bool {
-	for _, n := range a {
-		if x == n {
-			return true
-		}
-	}
-	return false
-}
-func validDomain(d string) bool {
-	if *validDomains == "" {
-		return true
-	}
-	ds := strings.Split(*validDomains, ",")
-	return contains(ds, d)
-}
-
 func messageHandler(c *xco.Component, m *xco.Message) error {
-	if !validDomain(m.Header.From.DomainPart) {
-		fmt.Printf("Attempt to add data from unauthorized domain: %v@%v\n", m.Header.From.LocalPart, m.Header.From.DomainPart)
-		return nil
-	}
-
 	res, e := getPrekeyResponseFromRealServer(fmt.Sprintf("%s@%s", m.Header.From.LocalPart, m.Header.From.DomainPart), []byte(m.Body))
 	if e != nil {
 		fmt.Printf("encountered error when communicating with the raw server: %v\n", e)