"""Credential request message handler."""
from .....messaging.base_handler import (
BaseHandler,
BaseResponder,
HandlerException,
RequestContext,
)
from ..manager import CredentialManager
from ..messages.credential_request import CredentialRequest
from ..messages.credential_proposal import CredentialProposal
from .....utils.tracing import trace_event, get_timer
[docs]class CredentialRequestHandler(BaseHandler):
"""Message handler class for credential requests."""
[docs] async def handle(self, context: RequestContext, responder: BaseResponder):
"""
Message handler logic for credential requests.
Args:
context: request context
responder: responder callback
"""
r_time = get_timer()
self._logger.debug("CredentialRequestHandler called with context %s", context)
assert isinstance(context.message, CredentialRequest)
self._logger.info(
"Received credential request message: %s",
context.message.serialize(as_string=True),
)
if not context.connection_ready:
raise HandlerException("No connection established for credential request")
credential_manager = CredentialManager(context)
cred_exchange_rec = await credential_manager.receive_request()
r_time = trace_event(
context.settings,
context.message,
outcome="CredentialRequestHandler.handle.END",
perf_counter=r_time,
)
# If auto_issue is enabled, respond immediately
if cred_exchange_rec.auto_issue:
if (
cred_exchange_rec.credential_proposal_dict
and "credential_proposal" in cred_exchange_rec.credential_proposal_dict
):
(
cred_exchange_rec,
credential_issue_message,
) = await credential_manager.issue_credential(
credential_exchange_record=cred_exchange_rec,
comment=context.message.comment,
credential_values=CredentialProposal.deserialize(
cred_exchange_rec.credential_proposal_dict
).credential_proposal.attr_dict(),
)
await responder.send_reply(credential_issue_message)
trace_event(
context.settings,
credential_issue_message,
outcome="CredentialRequestHandler.issue.END",
perf_counter=r_time,
)
else:
self._logger.warning(
"Operation set for auto-issue but credential exchange record "
f"{cred_exchange_rec.credential_exchange_id} "
"has no attribute values"
)