X-Git-Url: http://xvm.mit.edu/gitweb/invirt/packages/invirt-web.git/blobdiff_plain/a5129d860e26e364fff59043900d632e725efced..f0aea0f7a31f022caf37ed0fee99f19a1744054d:/code/validation.py diff --git a/code/validation.py b/code/validation.py index 2f64f9a..25031ef 100644 --- a/code/validation.py +++ b/code/validation.py @@ -272,8 +272,20 @@ 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]) + resolver = dns.resolver.Resolver() + resolver.nameservers = ['127.0.0.1'] + try: + 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 = 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.')