Add input validation for domain creation

core/admin/mailu/ui/views/domains.py

@@ -18,6 +18,7 @@ def domain_list():
 def domain_create():
     form = forms.DomainForm()
     if form.validate_on_submit():
+        if validators.domain(form.name.data) is True:
             conflicting_domain = models.Domain.query.get(form.name.data)
             conflicting_alternative = models.Alternative.query.get(form.name.data)
             conflicting_relay = models.Relay.query.get(form.name.data)
@@ -29,6 +30,8 @@ def domain_create():
                 models.db.session.add(domain)
                 models.db.session.commit()
                 flask.flash('Domain %s created' % domain)
+        else:
+            flask.flash('Domain %s is invalid' % form.name.data, 'error')
         return flask.redirect(flask.url_for('.domain_list'))
     return flask.render_template('domain/create.html', form=form)