mirror of
https://gitee.com/wanwujie/deer-flow
synced 2026-04-25 07:04:44 +08:00
feat: add IM channels for Feishu, Slack, and Telegram (#1010)
* feat: add IM channels system for Feishu, Slack, and Telegram integration Bridge external messaging platforms to DeerFlow via LangGraph Server with async message bus, thread management, and per-channel configuration. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com> * fix: address review comments on IM channels system Fix topic_id handling in store remove/list_entries and manager commands, correct Telegram reply threading, remove unused imports/variables, update docstrings and docs to match implementation, and prevent config mutation. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com> * update skill creator * fix im reply text * fix comments --------- Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
DanielWalnut
223
backend/src/channels/slack.py
Normal file
223
backend/src/channels/slack.py
Normal file
@@ -0,0 +1,223 @@
|
||||
"""Slack channel — connects via Socket Mode (no public IP needed)."""
|
||||
|
||||
from __future__ import annotations
|
||||
|
||||
import asyncio
|
||||
import logging
|
||||
from typing import Any
|
||||
|
||||
from markdown_to_mrkdwn import SlackMarkdownConverter
|
||||
|
||||
from src.channels.base import Channel
|
||||
from src.channels.message_bus import InboundMessageType, MessageBus, OutboundMessage
|
||||
|
||||
logger = logging.getLogger(__name__)
|
||||
|
||||
_slack_md_converter = SlackMarkdownConverter()
|
||||
|
||||
|
||||
class SlackChannel(Channel):
|
||||
"""Slack IM channel using Socket Mode (WebSocket, no public IP).
|
||||
|
||||
Configuration keys (in ``config.yaml`` under ``channels.slack``):
|
||||
- ``bot_token``: Slack Bot User OAuth Token (xoxb-...).
|
||||
- ``app_token``: Slack App-Level Token (xapp-...) for Socket Mode.
|
||||
- ``allowed_users``: (optional) List of allowed Slack user IDs. Empty = allow all.
|
||||
"""
|
||||
|
||||
def __init__(self, bus: MessageBus, config: dict[str, Any]) -> None:
|
||||
super().__init__(name="slack", bus=bus, config=config)
|
||||
self._socket_client = None
|
||||
self._web_client = None
|
||||
self._loop: asyncio.AbstractEventLoop | None = None
|
||||
self._allowed_users: set[str] = set(config.get("allowed_users", []))
|
||||
|
||||
async def start(self) -> None:
|
||||
if self._running:
|
||||
return
|
||||
|
||||
try:
|
||||
from slack_sdk import WebClient
|
||||
from slack_sdk.socket_mode import SocketModeClient
|
||||
from slack_sdk.socket_mode.response import SocketModeResponse
|
||||
except ImportError:
|
||||
logger.error("slack-sdk is not installed. Install it with: uv add slack-sdk")
|
||||
return
|
||||
|
||||
self._SocketModeResponse = SocketModeResponse
|
||||
|
||||
bot_token = self.config.get("bot_token", "")
|
||||
app_token = self.config.get("app_token", "")
|
||||
|
||||
if not bot_token or not app_token:
|
||||
logger.error("Slack channel requires bot_token and app_token")
|
||||
return
|
||||
|
||||
self._web_client = WebClient(token=bot_token)
|
||||
self._socket_client = SocketModeClient(
|
||||
app_token=app_token,
|
||||
web_client=self._web_client,
|
||||
)
|
||||
self._loop = asyncio.get_event_loop()
|
||||
|
||||
self._socket_client.socket_mode_request_listeners.append(self._on_socket_event)
|
||||
|
||||
self._running = True
|
||||
self.bus.subscribe_outbound(self._on_outbound)
|
||||
|
||||
# Start socket mode in background thread
|
||||
asyncio.get_event_loop().run_in_executor(None, self._socket_client.connect)
|
||||
logger.info("Slack channel started")
|
||||
|
||||
async def stop(self) -> None:
|
||||
self._running = False
|
||||
self.bus.unsubscribe_outbound(self._on_outbound)
|
||||
if self._socket_client:
|
||||
self._socket_client.close()
|
||||
self._socket_client = None
|
||||
logger.info("Slack channel stopped")
|
||||
|
||||
async def send(self, msg: OutboundMessage, *, _max_retries: int = 3) -> None:
|
||||
if not self._web_client:
|
||||
return
|
||||
|
||||
kwargs: dict[str, Any] = {
|
||||
"channel": msg.chat_id,
|
||||
"text": _slack_md_converter.convert(msg.text),
|
||||
}
|
||||
if msg.thread_ts:
|
||||
kwargs["thread_ts"] = msg.thread_ts
|
||||
|
||||
last_exc: Exception | None = None
|
||||
for attempt in range(_max_retries):
|
||||
try:
|
||||
await asyncio.to_thread(self._web_client.chat_postMessage, **kwargs)
|
||||
# Add a completion reaction to the thread root
|
||||
if msg.thread_ts:
|
||||
await asyncio.to_thread(
|
||||
self._add_reaction,
|
||||
msg.chat_id,
|
||||
msg.thread_ts,
|
||||
"white_check_mark",
|
||||
)
|
||||
return
|
||||
except Exception as exc:
|
||||
last_exc = exc
|
||||
if attempt < _max_retries - 1:
|
||||
delay = 2**attempt # 1s, 2s
|
||||
logger.warning(
|
||||
"[Slack] send failed (attempt %d/%d), retrying in %ds: %s",
|
||||
attempt + 1,
|
||||
_max_retries,
|
||||
delay,
|
||||
exc,
|
||||
)
|
||||
await asyncio.sleep(delay)
|
||||
|
||||
logger.error("[Slack] send failed after %d attempts: %s", _max_retries, last_exc)
|
||||
# Add failure reaction on error
|
||||
if msg.thread_ts:
|
||||
try:
|
||||
await asyncio.to_thread(
|
||||
self._add_reaction,
|
||||
msg.chat_id,
|
||||
msg.thread_ts,
|
||||
"x",
|
||||
)
|
||||
except Exception:
|
||||
pass
|
||||
raise last_exc # type: ignore[misc]
|
||||
|
||||
# -- internal ----------------------------------------------------------
|
||||
|
||||
def _add_reaction(self, channel_id: str, timestamp: str, emoji: str) -> None:
|
||||
"""Add an emoji reaction to a message (best-effort, non-blocking)."""
|
||||
if not self._web_client:
|
||||
return
|
||||
try:
|
||||
self._web_client.reactions_add(
|
||||
channel=channel_id,
|
||||
timestamp=timestamp,
|
||||
name=emoji,
|
||||
)
|
||||
except Exception as exc:
|
||||
if "already_reacted" not in str(exc):
|
||||
logger.warning("[Slack] failed to add reaction %s: %s", emoji, exc)
|
||||
|
||||
def _send_running_reply(self, channel_id: str, thread_ts: str) -> None:
|
||||
"""Send a 'Working on it......' reply in the thread (called from SDK thread)."""
|
||||
if not self._web_client:
|
||||
return
|
||||
try:
|
||||
self._web_client.chat_postMessage(
|
||||
channel=channel_id,
|
||||
text=":hourglass_flowing_sand: Working on it...",
|
||||
thread_ts=thread_ts,
|
||||
)
|
||||
logger.info("[Slack] 'Working on it...' reply sent in channel=%s, thread_ts=%s", channel_id, thread_ts)
|
||||
except Exception:
|
||||
logger.exception("[Slack] failed to send running reply in channel=%s", channel_id)
|
||||
|
||||
def _on_socket_event(self, client, req) -> None:
|
||||
"""Called by slack-sdk for each Socket Mode event."""
|
||||
try:
|
||||
# Acknowledge the event
|
||||
response = self._SocketModeResponse(envelope_id=req.envelope_id)
|
||||
client.send_socket_mode_response(response)
|
||||
|
||||
event_type = req.type
|
||||
if event_type != "events_api":
|
||||
return
|
||||
|
||||
event = req.payload.get("event", {})
|
||||
etype = event.get("type", "")
|
||||
|
||||
# Handle message events (DM or @mention)
|
||||
if etype in ("message", "app_mention"):
|
||||
self._handle_message_event(event)
|
||||
|
||||
except Exception:
|
||||
logger.exception("Error processing Slack event")
|
||||
|
||||
def _handle_message_event(self, event: dict) -> None:
|
||||
# Ignore bot messages
|
||||
if event.get("bot_id") or event.get("subtype"):
|
||||
return
|
||||
|
||||
user_id = event.get("user", "")
|
||||
|
||||
# Check allowed users
|
||||
if self._allowed_users and user_id not in self._allowed_users:
|
||||
logger.debug("Ignoring message from non-allowed user: %s", user_id)
|
||||
return
|
||||
|
||||
text = event.get("text", "").strip()
|
||||
if not text:
|
||||
return
|
||||
|
||||
channel_id = event.get("channel", "")
|
||||
thread_ts = event.get("thread_ts") or event.get("ts", "")
|
||||
|
||||
if text.startswith("/"):
|
||||
msg_type = InboundMessageType.COMMAND
|
||||
else:
|
||||
msg_type = InboundMessageType.CHAT
|
||||
|
||||
# topic_id: use thread_ts as the topic identifier.
|
||||
# For threaded messages, thread_ts is the root message ts (shared topic).
|
||||
# For non-threaded messages, thread_ts is the message's own ts (new topic).
|
||||
inbound = self._make_inbound(
|
||||
chat_id=channel_id,
|
||||
user_id=user_id,
|
||||
text=text,
|
||||
msg_type=msg_type,
|
||||
thread_ts=thread_ts,
|
||||
)
|
||||
inbound.topic_id = thread_ts
|
||||
|
||||
if self._loop and self._loop.is_running():
|
||||
# Acknowledge with an eyes reaction
|
||||
self._add_reaction(channel_id, event.get("ts", thread_ts), "eyes")
|
||||
# Send "running" reply first (fire-and-forget from SDK thread)
|
||||
self._send_running_reply(channel_id, thread_ts)
|
||||
asyncio.run_coroutine_threadsafe(self.bus.publish_inbound(inbound), self._loop)
|
||||
Reference in New Issue
Block a user