first working version

pkg/db/helper.go

@@ -5,6 +5,26 @@ import (
 	"time"
 )
 
+var reservedUsers = []string{
+	"all",
+	"login",
+	"logout",
+	"new",
+	"search",
+	"user",
+	"view",
+	"wiki",
+}
+
+func reservedUser(username string) bool {
+	for _, v := range reservedUsers {
+		if username == v {
+			return true
+		}
+	}
+	return false
+}
+
 func validatePassword(pw string) (b []byte) {
 	b = []byte(pw)
 	if len(pw) <= 56 {