Files
beaver_project/app-instance/backend/beaver/interfaces/channels/connections/external.py

132 lines
5.2 KiB
Python

"""Sidecar-backed channel connectors."""
from __future__ import annotations
from typing import Any
from .models import ChannelRuntimeSpec, ValidationResult
from .sidecar_client import ConnectorSidecarClient
from .store import ChannelConnectionStore, CredentialStore
class ExternalConnectorBase:
kind = ""
capabilities: list[str] = []
def __init__(
self,
*,
connection_store: ChannelConnectionStore,
credential_store: CredentialStore,
sidecar_client: ConnectorSidecarClient | Any,
sidecar_base_url: str,
) -> None:
self.connection_store = connection_store
self.credential_store = credential_store
self.sidecar_client = sidecar_client
self.sidecar_base_url = sidecar_base_url
async def start_session(
self,
*,
display_name: str,
owner_user_id: str | None,
options: dict[str, Any],
) -> dict[str, Any]:
connection = self.connection_store.create(
kind=self.kind,
mode="sidecar",
display_name=display_name or self.kind,
account_id="",
owner_user_id=owner_user_id,
auth_type="connector_session",
runtime_config={"sidecarBaseUrl": self.sidecar_base_url},
capabilities=list(self.capabilities),
)
connection = self.connection_store.update_status(connection.connection_id, status="pairing", last_error=None)
payload = {
"kind": self.kind,
"connectionId": connection.connection_id,
"channelId": connection.channel_id,
"displayName": connection.display_name,
"callbackBaseUrl": "",
"options": dict(options),
}
view = dict(await self.sidecar_client.start_session(payload))
connection.pairing_session_id = str(view.get("sessionId") or "")
self.connection_store.update(connection)
view["connectionId"] = connection.connection_id
view["channelId"] = connection.channel_id
return view
async def poll_session(self, session_id: str) -> dict[str, Any]:
view = dict(await self.sidecar_client.get_session(session_id))
connection = self._connection_for_session(session_id)
status = str(view.get("status") or "")
if status == "connected":
connection.account_id = str(view.get("accountId") or connection.account_id)
connection.display_name = str(view.get("displayName") or connection.display_name)
metadata = view.get("metadata") if isinstance(view.get("metadata"), dict) else {}
state_ref = metadata.get("stateRef")
if state_ref:
connection.credentials_ref = self.credential_store.put(kind=self.kind, values={"stateRef": state_ref})
self.connection_store.update(connection)
self.connection_store.update_status(connection.connection_id, status="connected", last_error=None)
elif status in {"expired", "error", "cancelled"}:
self.connection_store.update_status(
connection.connection_id,
status="error",
last_error=str(view.get("error") or status),
)
view["connectionId"] = connection.connection_id
view["channelId"] = connection.channel_id
return view
async def validate(self, connection_id: str) -> ValidationResult:
connection = self.connection_store.get(connection_id)
if connection.status in {"connected", "running"}:
return ValidationResult(
ok=True,
status="connected",
account_id=connection.account_id,
display_name=connection.display_name,
)
return ValidationResult(ok=False, status=connection.status, error=connection.last_error)
async def materialize_runtime(self, connection_id: str) -> ChannelRuntimeSpec:
connection = self.connection_store.get(connection_id)
if connection.status not in {"connected", "running"}:
raise ValueError(f"Connection is not connected: {connection.connection_id}")
return ChannelRuntimeSpec(
channel_id=connection.channel_id,
kind="external_connector",
mode="http",
account_id=connection.account_id,
display_name=connection.display_name,
config={
"platformKind": self.kind,
"connectionId": connection.connection_id,
"sidecarBaseUrl": connection.runtime_config.get("sidecarBaseUrl") or self.sidecar_base_url,
},
secrets_ref=None,
)
async def revoke(self, connection_id: str) -> None:
await self.sidecar_client.logout(connection_id)
def _connection_for_session(self, session_id: str):
for connection in self.connection_store.list():
if connection.pairing_session_id == session_id:
return connection
raise KeyError(session_id)
class WeixinConnector(ExternalConnectorBase):
kind = "weixin"
capabilities = ["receive_text", "send_text", "receive_media", "direct_messages"]
class FeishuConnector(ExternalConnectorBase):
kind = "feishu"
capabilities = ["receive_text", "send_text", "receive_media", "groups"]