def get(self, volume_name_or_id_str):
# try to cast to int, in case it's an ID
volume_name_or_id = None
try:
volume_name_or_id = int(volume_name_or_id_str)
except:
volume_name_or_id = volume_name_or_id_str
volume = Volume.Read(volume_name_or_id)
if volume is None:
response_user_error(self, 404, "No such volume")
response_end(self, 200, volume.volume_cert_bin,
"application/octet-stream")
return
def get(self, volume_name_or_id_str, volume_cert_version_str):
volume_id = None
volume_name = None
volume_cert_version = None
try:
volume_id = int(volume_name_or_id_str)
except:
volume_name = volume_name_or_id_str
try:
volume_cert_version = int(volume_cert_version_str)
except:
response_end(self, 400, "Invalid Request", "text/plain")
return
if volume_id is None:
# look up volume
volume = Volume.Read(volume_name)
if volume is None or volume.deleted:
response_end(self, 404, "Not found", "text/plain")
return
volume_id = volume.volume_id
volume_cert_bundle = VolumeCertBundle.Get(volume_id)
if volume_cert_bundle is None:
response_end(self, 404, "Not found", "text/plain")
return
# verify that it matches
cert_bundle = VolumeCertBundle.Load(volume_cert_bundle)
if cert_bundle.mtime_sec != volume_cert_version:
# send gateway the URL to the latest cert bundle
hdr = "%s/CERTBUNDLE/%s/%s" % (MS_URL, volume_name_or_id_str,
cert_bundle.mtime_sec)
self.response.headers['Location'] = hdr
response_end(self, 302, "Location: %s" % hdr, "text/plain")
return
logging.info("Serve volume %s (%s)" % (volume_id, volume_cert_version))
response_end(self, 200, cert_bundle.SerializeToString(),
"application/octet-stream")
return
