async def create(cls,
server_address: str,
credentials: bytes,
p2p: P2PConnection,
timeout: int = IO_TIMEOUT,
loop: asyncio.AbstractEventLoop = None):
instance = cls(server_address, credentials, p2p, timeout, loop)
await instance._connector.open()
payload = await instance._connector.read(timeout=timeout)
context = Message.deserialize(payload.decode())
msg_type = context.get('@type', None)
if msg_type is None:
raise RuntimeError('message @type is empty')
elif msg_type != cls.MSG_TYPE_CONTEXT:
raise RuntimeError('message @type is empty')
else:
await instance._setup(context)
return instance
def from_url(cls, url: str) -> ConnProtocolMessage:
matches = re.match("(.+)?c_i=(.+)", url)
if not matches:
raise SiriusInvalidMessage("Invite string is improperly formatted")
msg = Message.deserialize(
base64.urlsafe_b64decode(matches.group(2)).decode('utf-8'))
if msg.protocol != cls.PROTOCOL:
raise SiriusInvalidMessage('Unexpected protocol "%s"' %
msg.type.protocol)
if msg.name != cls.NAME:
raise SiriusInvalidMessage('Unexpected protocol name "%s"' %
msg.type.name)
label = msg.pop('label')
if label is None:
raise SiriusInvalidMessage('label attribute missing')
recipient_keys = msg.pop('recipientKeys')
if recipient_keys is None:
raise SiriusInvalidMessage('recipientKeys attribute missing')
endpoint = msg.pop('serviceEndpoint')
if endpoint is None:
raise SiriusInvalidMessage('serviceEndpoint attribute missing')
routing_keys = msg.pop('routingKeys', [])
return Invitation(label, recipient_keys, endpoint, routing_keys, **msg)
async def _reopen(self):
await self._connector.reopen()
payload = await self._connector.read(timeout=1)
context = Message.deserialize(payload.decode())
await self._setup(context)