class HTTP01Responder(object):
"""
An ``http-01`` challenge responder for txsni.
"""
challenge_type = u'http-01'
def __init__(self):
self.resource = Resource()
def start_responding(self, server_name, challenge, response):
"""
Add the child resource.
"""
self.resource.putChild(
challenge.encode('token').encode('utf-8'),
Data(response.key_authorization.encode('utf-8'), 'text/plain'))
def stop_responding(self, server_name, challenge, response):
"""
Remove the child resource.
"""
encoded_token = challenge.encode('token').encode('utf-8')
if self.resource.getStaticEntity(encoded_token) is not None:
self.resource.delEntity(encoded_token)
