"""Credential ack message handler."""
from .....core.oob_processor import OobMessageProcessor
from .....messaging.base_handler import BaseHandler, HandlerException
from .....messaging.request_context import RequestContext
from .....messaging.responder import BaseResponder
from .....utils.tracing import trace_event, get_timer
from ..manager import V20CredManager
from ..messages.cred_ack import V20CredAck
[docs]class V20CredAckHandler(BaseHandler):
"""Message handler class for credential acks."""
[docs] async def handle(self, context: RequestContext, responder: BaseResponder):
"""Message handler logic for credential acks.
Args:
context: request context
responder: responder callback
"""
r_time = get_timer()
self._logger.debug("V20CredAckHandler called with context %s", context)
assert isinstance(context.message, V20CredAck)
self._logger.info(
"Received v2.0 credential ack message: %s",
context.message.serialize(as_string=True),
)
# If connection is present it must be ready for use
if context.connection_record and not context.connection_ready:
raise HandlerException("Connection used for credential ack not ready")
# Find associated oob record
oob_processor = context.inject(OobMessageProcessor)
oob_record = await oob_processor.find_oob_record_for_inbound_message(context)
# Either connection or oob context must be present
if not context.connection_record and not oob_record:
raise HandlerException(
"No connection or associated connectionless exchange found for credential"
" ack"
)
cred_manager = V20CredManager(context.profile)
await cred_manager.receive_credential_ack(
context.message,
(
context.connection_record.connection_id
if context.connection_record
else None
),
)
trace_event(
context.settings,
context.message,
outcome="V20CredAckHandler.handle.END",
perf_counter=r_time,
)