Source code for aries_cloudagent.protocols.issue_credential.v1_0.handlers.credential_request_handler

"""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" )