From d3fba4c1e6662777906051c8345174f8325db4ed Mon Sep 17 00:00:00 2001
From: Manager Bot <manager@myjekyllblog.net>
Date: Thu, 3 Nov 2022 05:17:35 +0000
Subject: [PATCH] Fix amarith bug.

---
 Web/lib/MJB/Web/Controller/Blog.pm | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Web/lib/MJB/Web/Controller/Blog.pm b/Web/lib/MJB/Web/Controller/Blog.pm
index 3abdbe5..ce8f259 100644
--- a/Web/lib/MJB/Web/Controller/Blog.pm
+++ b/Web/lib/MJB/Web/Controller/Blog.pm
@@ -21,11 +21,17 @@ sub do_create ($c) {
         push @{$c->stash->{errors}}, "You must enter a subdomain."
             unless $subdomain;
 
+        $subdomain = lc($subdomain);
+
+        push @{$c->stash->{errors}}, "Your subdomain may only contain letters, numbers and hypens."
+            unless $subdomain =~ /^[a-z0-9-]+$/;
+
     } elsif ( $domain_type eq 'owned' ) {
         push @{$c->stash->{errors}}, "You must enter a domain."
             unless $domain;
     }
 
+
     return if $c->stash->{errors};
 
     $domain = $domain ? $domain : $subdomain . '.' . $c->config->{customer_domain};