async def handle(self, context: RequestContext, responder: BaseResponder):
"""Handle create invitation request."""
connection_mgr = ConnectionManager(context)
connection, invitation = await connection_mgr.create_invitation(
my_label=context.message.label,
their_role=context.message.role,
auto_accept=context.message.auto_accept,
multi_use=bool(context.message.multi_use),
public=False,
alias=context.message.alias,
)
invite_response = Invitation(
id=connection.connection_id,
label=invitation.label,
alias=connection.alias,
role=connection.their_role,
auto_accept=connection.accept == ConnectionRecord.ACCEPT_AUTO,
multi_use=(
connection.invitation_mode ==
ConnectionRecord.INVITATION_MODE_MULTI
),
invitation_url=invitation.to_url(),
created_date=connection.created_at,
raw_repr={
'connection': connection.serialize(),
'invitation': invitation.serialize(),
}
)
invite_response.assign_thread_from(context.message)
await responder.send_reply(invite_response)
async def handle(self, context: RequestContext, responder: BaseResponder):
"""Handle recieve invitation request."""
connection_mgr = ConnectionManager(context)
invitation = ConnectionInvitation.from_url(context.message.invitation)
connection = await connection_mgr.receive_invitation(
invitation, auto_accept=context.message.auto_accept)
connection_resp = Connection(**conn_record_to_message_repr(connection))
await responder.send_reply(connection_resp)
async def handle(self, context: RequestContext, responder: BaseResponder):
"""Handle static connection get list request."""
session = await context.session()
connection_mgr = ConnectionManager(session)
wallet: BaseWallet = session.inject(BaseWallet)
try:
tag_filter = dict(
filter(
lambda item: item[1] is not None, {
'my_did': context.message.my_did,
'their_did': context.message.their_did,
}.items()))
post_filter_positive = dict(
filter(
lambda item: item[1] is not None, {
'initiator': context.message.initiator,
'invitation_key': context.message.invitation_key,
'invitation_mode': ConnRecord.INVITATION_MODE_STATIC,
'their_role': context.message.their_role
}.items()))
records = await ConnRecord.query(
session, tag_filter, post_filter_positive=post_filter_positive)
except StorageNotFoundError:
report = ProblemReport(explain_ltxt='Connection not found.',
who_retries='none')
report.assign_thread_from(context.message)
await responder.send_reply(report)
return
def flatten_target(connection, target, my_info):
"""Map for flattening results."""
return {
'connection_id': connection.connection_id,
'their_info': {
'label': target.label,
'did': target.did,
'vk': target.recipient_keys[0],
'endpoint': target.endpoint
},
'my_info': {
'did': my_info.did,
'vk': my_info.verkey,
'endpoint': context.settings.get("default_endpoint")
}
}
targets = []
my_info = []
for record in records:
targets.extend(
await connection_mgr.get_connection_targets(connection=record))
my_info.append(await wallet.get_local_did(record.my_did))
results = list(map(flatten_target, records, targets, my_info))
static_connections = StaticConnectionList(results=results)
static_connections.assign_thread_from(context.message)
await responder.send_reply(static_connections)
async def handle(self, context: RequestContext, responder: BaseResponder):
"""Handle received basic message."""
session = await context.session()
msg = BasicMessageRecord(
connection_id=context.connection_record.connection_id,
message_id=context.message._id,
sent_time=context.message.sent_time,
content=context.message.content,
state=BasicMessageRecord.STATE_RECV)
await msg.save(session, reason='New message received.')
await responder.send_webhook(
"basicmessages",
{
"connection_id": context.connection_record.connection_id,
"message_id": context.message._id,
"content": context.message.content,
"state": "received",
},
)
session = await context.session()
connection_mgr = ConnectionManager(session)
storage = session.inject(BaseStorage)
admin_ids = map(
lambda record: record.tags['connection_id'],
filter(
lambda record: json.loads(record.value) == 'admin', await
storage.find_all_records(ConnRecord.RECORD_TYPE_METADATA,
{'key': 'group'})))
admins = [
await ConnRecord.retrieve_by_id(session, id) for id in admin_ids
]
if not admins:
return
admins = filter(lambda admin: admin.state == 'active', admins)
admin_verkeys = [
target.recipient_keys[0] for admin in admins
for target in await connection_mgr.get_connection_targets(
connection=admin)
]
notification = New(
connection_id=context.connection_record.connection_id, message=msg)
for verkey in admin_verkeys:
await responder.send(notification,
reply_to_verkey=verkey,
to_session_only=True)
async def handle(self, context: RequestContext, responder: BaseResponder):
"""Handle static connection creation request."""
session = await context.session()
connection_mgr = ConnectionManager(session)
wallet: BaseWallet = session.inject(BaseWallet)
# Make our info for the connection
my_info = await wallet.create_local_did()
# Create connection record
connection = ConnRecord(
initiator=ConnRecord.INITIATOR_SELF,
my_did=my_info.did,
their_did=context.message.static_did,
their_label=context.message.label,
their_role=context.message.role if context.message.role else None,
state=ConnRecord.STATE_ACTIVE,
invitation_mode=ConnRecord.INVITATION_MODE_STATIC)
# Construct their did doc from the basic components in message
diddoc = DIDDoc(context.message.static_did)
public_key = PublicKey(did=context.message.static_did,
ident="1",
value=context.message.static_key,
pk_type=PublicKeyType.ED25519_SIG_2018,
controller=context.message.static_did)
service = Service(did=context.message.static_did,
ident="indy",
typ="IndyAgent",
recip_keys=[public_key],
routing_keys=[],
endpoint=context.message.static_endpoint)
diddoc.set(public_key)
diddoc.set(service)
# Save
await connection_mgr.store_did_document(diddoc)
await connection.save(session, reason='Created new static connection')
# Prepare response
info = StaticConnectionInfo(
did=my_info.did,
key=my_info.verkey,
endpoint=context.settings.get("default_endpoint"))
info.assign_thread_from(context.message)
await responder.send_reply(info)
return
async def handle(self, context: RequestContext, responder: BaseResponder):
"""Message handler implementation."""
self._logger.debug("InvitationRequestHandler called with context %s",
context)
assert isinstance(context.message, InvitationRequest)
if not context.connection_ready:
raise HandlerException(
"No connection established for invitation request message")
# Need a way to prompt the user for acceptance?
if context.settings.get("accept_requests"):
# Create a new connection invitation and send it back in an Invitation
connection_mgr = ConnectionManager(context)
_connection, invite = await connection_mgr.create_invitation()
response = Invitation(invitation=invite)
response.assign_thread_from(context.message)
response.assign_trace_from(context.message)
await responder.send_reply(response)
async def handle(self, context: RequestContext, responder: BaseResponder):
"""Message handler implementation."""
self._logger.debug("ForwardInvitationHandler called with context %s",
context)
assert isinstance(context.message, ForwardInvitation)
if not context.connection_ready:
raise HandlerException(
"No connection established for forward invitation message")
# Store invitation
connection_mgr = ConnectionManager(context)
connection = await connection_mgr.receive_invitation(
context.message.invitation, their_role=None)
# Auto-accept
if context.settings.get("accept_invites"):
request = await connection_mgr.create_request(connection)
await responder.send(request,
connection_id=connection.connection_id)
async def handle(self, context: RequestContext, responder: BaseResponder):
"""Handle received basic message."""
msg = BasicMessageRecord(
connection_id=context.connection_record.connection_id,
message_id=context.message._id,
sent_time=context.message.sent_time,
content=context.message.content,
state=BasicMessageRecord.STATE_RECV)
await msg.save(context, reason='New message received.')
await responder.send_webhook(
"basicmessages",
{
"connection_id": context.connection_record.connection_id,
"message_id": context.message._id,
"content": context.message.content,
"state": "received",
},
)
connection_mgr = ConnectionManager(context)
admins = await ConnectionRecord.query(
context, post_filter_positive={'their_role': 'admin'})
if not admins:
return
admins = filter(lambda admin: admin.state == 'active', admins)
admin_verkeys = [
target.recipient_keys[0] for admin in admins
for target in await connection_mgr.get_connection_targets(
connection=admin)
]
notification = New(
connection_id=context.connection_record.connection_id, message=msg)
for verkey in admin_verkeys:
await responder.send(notification,
reply_to_verkey=verkey,
to_session_only=True)
async def handle(self, context: RequestContext, responder: BaseResponder):
"""Message handler implementation."""
self._logger.debug(
"%s called with context %s", self.__class__.__name__, context
)
assert isinstance(context.message, RouteUpdateResponse)
if not context.connection_ready:
raise HandlerException("Cannot handle updated routes: no active connection")
conn_mgr = ConnectionManager(context)
router_id = context.connection_record.connection_id
for update in context.message.updated:
if update.action == RouteUpdate.ACTION_CREATE:
if update.result in (
RouteUpdated.RESULT_NO_CHANGE,
RouteUpdated.RESULT_SUCCESS,
):
routing_state = ConnectionRecord.ROUTING_STATE_ACTIVE
else:
routing_state = ConnectionRecord.ROUTING_STATE_ERROR
self._logger.warning(
f"Unexpected result from inbound route update ({update.action})"
)
await conn_mgr.update_inbound(
router_id, update.recipient_key, routing_state
)
elif update.action == RouteUpdate.ACTION_DELETE:
self._logger.info(
"Inbound route deletion status: {}, {}".format(
update.recipient_key, update.result
)
)
else:
self._logger.error(f"Unsupported inbound route action: {update.action}")
async def create_invitation(
self,
my_label: str = None,
my_endpoint: str = None,
use_public_did: bool = False,
include_handshake: bool = False,
multi_use: bool = False,
attachments: list = None,
) -> InvitationModel:
"""
Generate new out of band invitation.
This interaction represents an out-of-band communication channel. The resulting
message is expected to be used to bootstrap the secure peer-to-peer communication
channel.
Args:
my_label: label for this connection
my_endpoint: endpoint where other party can reach me
public: set to create an invitation from the public DID
multi_use: set to True to create an invitation for multiple use
attachments: list of dicts in the form of
{"id": "jh5k23j5gh2123", "type": "credential-offer"}
Returns:
A tuple of the new `InvitationModel` and out of band `InvitationMessage`
instances
"""
connection_mgr = ConnectionManager(self.context)
connection, connection_invitation = await connection_mgr.create_invitation(
auto_accept=True, public=use_public_did, multi_use=multi_use)
# wallet: BaseWallet = await self.context.inject(BaseWallet)
if not my_label:
my_label = self.context.settings.get("default_label")
# if not my_endpoint:
# my_endpoint = self.context.settings.get("default_endpoint")
message_attachments = []
if attachments:
for attachment in attachments:
if attachment["type"] == "credential-offer":
instance_id = attachment["id"]
model = await V10CredentialExchange.retrieve_by_id(
self.context, instance_id)
# Wrap as attachment decorators
message_attachments.append(
InvitationMessage.wrap_message(
model.credential_offer_dict))
elif attachment["type"] == "present-proof":
instance_id = attachment["id"]
model = await V10PresentationExchange.retrieve_by_id(
self.context, instance_id)
# Wrap as attachment decorators
message_attachments.append(
InvitationMessage.wrap_message(
model.presentation_request_dict))
else:
raise OutOfBandManagerError(
f"Unknown attachment type: {attachment['type']}")
# We plug into existing connection structure during migration phase
if use_public_did:
# service = (await wallet.get_public_did()).did
service = connection_invitation.did
else:
# connection_key = await wallet.create_signing_key()
# service = ServiceMessage(
# id="#inline",
# type="did-communication",
# recipient_keys=[connection_key.verkey],
# routing_keys=[],
# service_endpoint=my_endpoint,
# )
service = ServiceMessage(
_id="#inline",
_type="did-communication",
recipient_keys=connection_invitation.recipient_keys,
routing_keys=connection_invitation.routing_keys,
service_endpoint=connection_invitation.endpoint,
).validate()
handshake_protocols = []
if include_handshake:
# handshake_protocols.append("https://didcomm.org/connections/1.0")
# handshake_protocols.append("https://didcomm.org/didexchange/1.0")
handshake_protocols.append(
"did:sov:BzCbsNYhMrjHiqZDTUASHg;spec/connections/1.0/invitation"
)
invitation_message = InvitationMessage(
label=my_label,
service=[service],
request_attach=message_attachments,
handshake_protocols=handshake_protocols,
).validate()
# Create record
invitation_model = InvitationModel(
state=InvitationModel.STATE_INITIAL,
invitation=invitation_message.serialize(),
)
await invitation_model.save(self.context,
reason="Created new invitation")
return invitation_model
async def receive_invitation(
self, invitation: InvitationMessage) -> ConnectionRecord:
"""Receive an out of band invitation message."""
ledger: BaseLedger = await self.context.inject(BaseLedger)
# New message format
invitation_message = InvitationMessage.deserialize(invitation)
# Convert to old format and pass to relevant manager
# The following logic adheres to Aries RFC 0496
# There must be exactly 1 service entry
if (len(invitation_message.service_blocks) +
len(invitation_message.service_dids) != 1):
raise OutOfBandManagerError(
"service array must have exactly one element")
# Get the single service item
if invitation_message.service_blocks:
service = invitation_message.service_blocks[0]
else:
# If it's in the did format, we need to convert to a full service block
service_did = invitation_message.service_dids[0]
async with ledger:
verkey = await ledger.get_key_for_did(service_did)
endpoint = await ledger.get_endpoint_for_did(service_did)
service = ServiceMessage.deserialize({
"id": "#inline",
"type": "did-communication",
"recipientKeys": [verkey],
"routingKeys": [],
"serviceEndpoint": endpoint,
})
# If we are dealing with an invitation
if (len(invitation_message.handshake_protocols) == 1
and invitation_message.handshake_protocols[0] ==
"did:sov:BzCbsNYhMrjHiqZDTUASHg;spec/connections/1.0/invitation"
):
if len(invitation_message.request_attach) != 0:
raise OutOfBandManagerError(
"request block must be empty for invitation message type.")
# Convert to the old message format
connection_invitation = ConnectionInvitation.deserialize({
"@id":
invitation_message._id,
"@type":
invitation_message.handshake_protocols[0],
"label":
invitation_message.label,
"recipientKeys":
service.recipient_keys,
"serviceEndpoint":
service.service_endpoint,
"routingKeys":
service.routing_keys,
})
connection_mgr = ConnectionManager(self.context)
connection = await connection_mgr.receive_invitation(
connection_invitation, auto_accept=True)
elif (len(invitation_message.request_attach) == 1
and invitation_message.request_attach[0].data.json["@type"]
== "did:sov:BzCbsNYhMrjHiqZDTUASHg;spec" +
"/present-proof/1.0/request-presentation"):
raise OutOfBandManagerNotImplementedError(
"did:sov:BzCbsNYhMrjHiqZDTUASHg;spec" +
"/present-proof/1.0/request-presentation " +
"request type not implemented.")
else:
raise OutOfBandManagerError("Invalid request type")
return connection