"""Credential offer message handler."""
from .....messaging.base_handler import (
BaseHandler,
BaseResponder,
HandlerException,
RequestContext,
)
from ..manager import CredentialManager
from ..messages.credential_offer import CredentialOffer
from .....utils.tracing import trace_event, get_timer
[docs]class CredentialOfferHandler(BaseHandler):
"""Message handler class for credential offers."""
[docs] async def handle(self, context: RequestContext, responder: BaseResponder):
"""
Message handler logic for credential offers.
Args:
context: request context
responder: responder callback
"""
r_time = get_timer()
self._logger.debug("CredentialOfferHandler called with context %s", context)
assert isinstance(context.message, CredentialOffer)
self._logger.info(
"Received credential offer message: %s",
context.message.serialize(as_string=True),
)
if not context.connection_ready:
raise HandlerException("No connection established for credential offer")
credential_manager = CredentialManager(context)
credential_exchange_record = await credential_manager.receive_offer()
r_time = trace_event(
context.settings,
context.message,
outcome="CredentialOfferHandler.handle.END",
perf_counter=r_time,
)
# If auto respond is turned on, automatically reply with credential request
if context.settings.get("debug.auto_respond_credential_offer"):
(_, credential_request_message) = await credential_manager.create_request(
credential_exchange_record=credential_exchange_record,
holder_did=context.connection_record.my_did,
)
await responder.send_reply(credential_request_message)
trace_event(
context.settings,
credential_request_message,
outcome="CredentialOfferHandler.handle.REQUEST",
perf_counter=r_time,
)