From: Evan Broder Date: Sat, 1 Nov 2008 08:21:49 +0000 (-0400) Subject: Display a helpful error on the website if a name has specifically been X-Git-Tag: 0.0.6~2 X-Git-Url: http://xvm.mit.edu/gitweb/invirt/packages/invirt-web.git/commitdiff_plain/fcfdb35beb5e69fa3355743472dd956ba929c5b0 Display a helpful error on the website if a name has specifically been reserved svn path=/trunk/packages/invirt-web/; revision=1492 --- diff --git a/code/validation.py b/code/validation.py index 2f64f9a..39c0084 100644 --- a/code/validation.py +++ b/code/validation.py @@ -272,8 +272,18 @@ def testName(user, name, machine=None): if machine is not None and name == machine.name: return None try: - f = open('/tmp/log', 'a') - dns.resolver.query('%s.%s.' % (name, config.dns.domains[0]), 'A') + hostname = '%s.%s.' % (name, config.dns.domains[0]) + try: + dns.resolver.query(hostname, 'A') + except dns.resolver.NoAnswer, e: + # If we can get the TXT record, then we can verify it's + # reserved. If this lookup fails, let it bubble up and be + # dealt with + answer = dns.resolver.query(hostname, 'TXT') + txt = answer[0].strings[0] + if txt.startswith('Reserved'): + raise InvalidInput('name', name, 'The name you have requested has been %s. For more information, contact us at %s' % (txt, config.dns.contact)) + # If the hostname didn't exist, it would have thrown an # exception by now - error out raise InvalidInput('name', name, 'Name is already taken.')