"""Connection request handler under RFC 23 (DID exchange)."""
from aries_cloudagent.protocols.didexchange.v1_0.messages.problem_report import (
DIDXProblemReport,
)
from .....connections.models.conn_record import ConnRecord
from .....messaging.base_handler import BaseHandler, BaseResponder, RequestContext
from ....coordinate_mediation.v1_0.manager import MediationManager
from ..manager import DIDXManager, DIDXManagerError
from ..messages.request import DIDXRequest
[docs]class DIDXRequestHandler(BaseHandler):
"""Handler class for connection request message under RFC 23 (DID exchange)."""
[docs] async def handle(self, context: RequestContext, responder: BaseResponder):
"""Handle connection request under RFC 23 (DID exchange).
Args:
context: Request context
responder: Responder callback
"""
self._logger.debug(f"DIDXRequestHandler called with context {context}")
assert isinstance(context.message, DIDXRequest)
profile = context.profile
mgr = DIDXManager(profile)
mediation_id = None
if context.connection_record:
async with profile.session() as session:
mediation_metadata = await context.connection_record.metadata_get(
session, MediationManager.METADATA_KEY, {}
)
mediation_id = mediation_metadata.get(MediationManager.METADATA_ID)
try:
conn_rec = await mgr.receive_request(
request=context.message,
recipient_did=context.message_receipt.recipient_did,
recipient_verkey=(
None
if context.message_receipt.recipient_did_public
else context.message_receipt.recipient_verkey
),
)
# Auto respond
if conn_rec.accept == ConnRecord.ACCEPT_AUTO:
response = await mgr.create_response(
conn_rec,
mediation_id=mediation_id,
)
await responder.send_reply(
response, connection_id=conn_rec.connection_id
)
conn_rec.state = ConnRecord.State.RESPONSE.rfc23
async with context.session() as session:
await conn_rec.save(session, reason="Sent connection response")
else:
self._logger.debug("DID exchange request will await acceptance")
except DIDXManagerError as e:
self._logger.exception("Error receiving RFC 23 connection request")
if e.error_code:
targets = None
if context.message.did_doc_attach:
try:
targets = mgr.diddoc_connection_targets(
context.message.did_doc_attach,
context.message_receipt.recipient_verkey,
)
except DIDXManagerError:
self._logger.exception(
"Error parsing DIDDoc for problem report"
)
await responder.send_reply(
DIDXProblemReport(
description={"en": e.message, "code": e.error_code}
),
target_list=targets,
)