from __future__ import annotations
import json
import socket
import ssl
import time
from abc import ABC, abstractmethod
from typing import TYPE_CHECKING, Dict, Generic, Iterable, Optional, Set, Type, TypeVar
import weechat
from websocket import (
ABNF,
WebSocket,
WebSocketConnectionClosedException,
create_connection,
)
from slack.error import (
SlackApiError,
SlackError,
SlackRtmError,
store_and_format_exception,
)
from slack.log import DebugMessageType, LogLevel, log, print_error
from slack.proxy import Proxy
from slack.shared import shared
from slack.slack_api import SlackApi
from slack.slack_buffer import SlackBuffer
from slack.slack_conversation import SlackConversation
from slack.slack_message import SlackMessage, SlackTs
from slack.slack_thread import SlackThread
from slack.slack_user import SlackBot, SlackUser, SlackUsergroup
from slack.task import Future, Task, create_task, gather, run_async
from slack.util import get_callback_name
if TYPE_CHECKING:
from slack_api.slack_bots_info import SlackBotInfo
from slack_api.slack_conversations_info import SlackConversationsInfo
from slack_api.slack_usergroups_info import SlackUsergroupInfo
from slack_api.slack_users_conversations import SlackUsersConversations
from slack_api.slack_users_info import SlackUserInfo
from slack_rtm.slack_rtm_message import SlackRtmMessage
from typing_extensions import Literal
else:
SlackBotInfo = object
SlackConversationsInfo = object
SlackUsergroupInfo = object
SlackUserInfo = object
SlackItemClass = TypeVar(
"SlackItemClass", SlackConversation, SlackUser, SlackBot, SlackUsergroup
)
SlackItemInfo = TypeVar(
"SlackItemInfo",
SlackConversationsInfo,
SlackUserInfo,
SlackBotInfo,
SlackUsergroupInfo,
)
class SlackItem(
ABC, Generic[SlackItemClass, SlackItemInfo], Dict[str, Future[SlackItemClass]]
):
def __init__(self, workspace: SlackWorkspace, item_class: Type[SlackItemClass]):
super().__init__()
self.workspace = workspace
self._item_class = item_class
def __missing__(self, key: str):
self[key] = create_task(self._create_item(key))
return self[key]
def initialize_items(self, item_ids: Iterable[str]):
item_ids_to_init = set(item_id for item_id in item_ids if item_id not in self)
if item_ids_to_init:
items_info_task = create_task(self._fetch_items_info(item_ids_to_init))
for item_id in item_ids_to_init:
self[item_id] = create_task(self._create_item(item_id, items_info_task))
async def _create_item(
self,
item_id: str,
items_info_task: Optional[Future[Dict[str, SlackItemInfo]]] = None,
) -> SlackItemClass:
if items_info_task:
items_info = await items_info_task
item = items_info.get(item_id)
if item is None:
raise SlackError(self.workspace, "item_not_found")
return self._create_item_from_info(item)
else:
return await self._item_class.create(self.workspace, item_id)
@abstractmethod
async def _fetch_items_info(
self, item_ids: Iterable[str]
) -> Dict[str, SlackItemInfo]:
raise NotImplementedError()
@abstractmethod
def _create_item_from_info(self, item_info: SlackItemInfo) -> SlackItemClass:
raise NotImplementedError()
class SlackConversations(SlackItem[SlackConversation, SlackConversationsInfo]):
def __init__(self, workspace: SlackWorkspace):
super().__init__(workspace, SlackConversation)
async def _fetch_items_info(
self, item_ids: Iterable[str]
) -> Dict[str, SlackConversationsInfo]:
responses = await gather(
*(
self.workspace.api.fetch_conversations_info(item_id)
for item_id in item_ids
)
)
return {
response["channel"]["id"]: response["channel"] for response in responses
}
def _create_item_from_info(
self, item_info: SlackConversationsInfo
) -> SlackConversation:
return self._item_class(self.workspace, item_info)
class SlackUsers(SlackItem[SlackUser, SlackUserInfo]):
def __init__(self, workspace: SlackWorkspace):
super().__init__(workspace, SlackUser)
async def _fetch_items_info(
self, item_ids: Iterable[str]
) -> Dict[str, SlackUserInfo]:
response = await self.workspace.api.fetch_users_info(item_ids)
return {info["id"]: info for info in response["users"]}
def _create_item_from_info(self, item_info: SlackUserInfo) -> SlackUser:
return self._item_class(self.workspace, item_info)
class SlackBots(SlackItem[SlackBot, SlackBotInfo]):
def __init__(self, workspace: SlackWorkspace):
super().__init__(workspace, SlackBot)
async def _fetch_items_info(
self, item_ids: Iterable[str]
) -> Dict[str, SlackBotInfo]:
response = await self.workspace.api.fetch_bots_info(item_ids)
return {info["id"]: info for info in response["bots"]}
def _create_item_from_info(self, item_info: SlackBotInfo) -> SlackBot:
return self._item_class(self.workspace, item_info)
class SlackUsergroups(SlackItem[SlackUsergroup, SlackUsergroupInfo]):
def __init__(self, workspace: SlackWorkspace):
super().__init__(workspace, SlackUsergroup)
async def _fetch_items_info(
self, item_ids: Iterable[str]
) -> Dict[str, SlackUsergroupInfo]:
response = await self.workspace.api.edgeapi.fetch_usergroups_info(
list(item_ids)
)
return {info["id"]: info for info in response["results"]}
def _create_item_from_info(self, item_info: SlackUsergroupInfo) -> SlackUsergroup:
return self._item_class(self.workspace, item_info)
class SlackWorkspace:
def __init__(self, name: str):
self.name = name
self.config = shared.config.create_workspace_config(self.name)
self.api = SlackApi(self)
self._is_connected = False
self._connect_task: Optional[Task[None]] = None
self._ws: Optional[WebSocket] = None
self._hook_ws_fd: Optional[str] = None
self._debug_ws_buffer_pointer: Optional[str] = None
self.conversations = SlackConversations(self)
self.open_conversations: Dict[str, SlackConversation] = {}
self.users = SlackUsers(self)
self.bots = SlackBots(self)
self.usergroups = SlackUsergroups(self)
self.muted_channels: Set[str] = set()
def __repr__(self):
return f"{self.__class__.__name__}({self.name})"
@property
def token_type(self) -> Literal["oauth", "session", "unknown"]:
if self.config.api_token.value.startswith("xoxp-"):
return "oauth"
elif self.config.api_token.value.startswith("xoxc-"):
return "session"
else:
return "unknown"
@property
def is_connected(self):
return self._is_connected
@property
def is_connecting(self):
return self._connect_task is not None
@is_connected.setter
def is_connected(self, value: bool):
self._is_connected = value
weechat.bar_item_update("input_text")
async def connect(self) -> None:
if self.is_connected:
return
weechat.prnt("", f"Connecting to workspace {self.name}")
self._connect_task = create_task(self._connect())
await self._connect_task
weechat.prnt("", f"Connected to workspace {self.name}")
self._connect_task = None
async def _connect(self) -> None:
try:
rtm_connect = await self.api.fetch_rtm_connect()
except SlackApiError as e:
print_error(
f'failed connecting to workspace "{self.name}": {e.response["error"]}'
)
return
self.id = rtm_connect["team"]["id"]
self.enterprise_id = rtm_connect["team"].get("enterprise_id")
self.my_user = await self.users[rtm_connect["self"]["id"]]
await self._connect_ws(rtm_connect["url"])
prefs = await self.api.fetch_users_get_prefs("muted_channels")
self.muted_channels = set(prefs["prefs"]["muted_channels"].split(","))
if not self.api.edgeapi.is_available:
usergroups = await self.api.fetch_usergroups_list()
for usergroup in usergroups["usergroups"]:
future = Future[SlackUsergroup]()
future.set_result(SlackUsergroup(self, usergroup))
self.usergroups[usergroup["id"]] = future
users_conversations_response = await self.api.fetch_users_conversations(
"public_channel,private_channel,mpim,im"
)
channels = users_conversations_response["channels"]
self.conversations.initialize_items(channel["id"] for channel in channels)
conversations_if_should_open = await gather(
*(self._conversation_if_should_open(channel) for channel in channels)
)
conversations_to_open = [
c for c in conversations_if_should_open if c is not None
]
for _, conversation in sorted(conversations_to_open):
await conversation.open_buffer()
await gather(
*(slack_buffer.set_hotlist() for slack_buffer in shared.buffers.values())
)
self.is_connected = True
async def _conversation_if_should_open(self, info: SlackUsersConversations):
conversation = await self.conversations[info["id"]]
if not conversation.should_open():
if conversation.type != "im" and conversation.type != "mpim":
return
if conversation.last_read == SlackTs("0.0"):
history = await self.api.fetch_conversations_history(conversation)
else:
history = await self.api.fetch_conversations_history_after(
conversation, conversation.last_read
)
if not history["messages"]:
return
sort_key = await conversation.sort_key()
return sort_key, conversation
async def _connect_ws(self, url: str):
proxy = Proxy()
# TODO: Handle errors
self._ws = create_connection(
url,
self.config.network_timeout.value,
cookie=self.config.api_cookies.value,
proxy_type=proxy.type,
http_proxy_host=proxy.address,
http_proxy_port=proxy.port,
http_proxy_auth=(proxy.username, proxy.password),
http_proxy_timeout=self.config.network_timeout.value,
)
self._hook_ws_fd = weechat.hook_fd(
self._ws.sock.fileno(),
1,
0,
0,
get_callback_name(self._ws_read_cb),
"",
)
self._ws.sock.setblocking(False)
def _ws_read_cb(self, data: str, fd: int) -> int:
if self._ws is None:
raise SlackError(self, "ws_read_cb called while _ws is None")
while True:
try:
opcode, recv_data = self._ws.recv_data(control_frame=True)
except ssl.SSLWantReadError:
# No more data to read at this time.
return weechat.WEECHAT_RC_OK
except (WebSocketConnectionClosedException, socket.error) as e:
print("lost connection on receive, reconnecting", e)
run_async(self.reconnect())
return weechat.WEECHAT_RC_OK
if opcode == ABNF.OPCODE_PONG:
# TODO: Maybe record last time anything was received instead
self.last_pong_time = time.time()
return weechat.WEECHAT_RC_OK
elif opcode != ABNF.OPCODE_TEXT:
return weechat.WEECHAT_RC_OK
run_async(self._ws_recv(json.loads(recv_data.decode())))
async def _ws_recv(self, data: SlackRtmMessage):
# TODO: Remove old messages
log(LogLevel.DEBUG, DebugMessageType.WEBSOCKET_RECV, json.dumps(data))
try:
if data["type"] == "hello":
return
elif data["type"] == "pref_change":
if data["name"] == "muted_channels":
new_muted_channels = set(data["value"].split(","))
changed_channels = self.muted_channels ^ new_muted_channels
self.muted_channels = new_muted_channels
for channel_id in changed_channels:
channel = self.open_conversations.get(channel_id)
if channel:
await channel.update_buffer_props()
return
elif data["type"] == "user_status_changed":
user = await self.users[data["user"]["id"]]
user.update_info_json(data["user"])
for conversation in self.open_conversations.values():
if conversation.im_user_id == user.id:
await conversation.update_buffer_props()
return
elif data["type"] == "reaction_added" or data["type"] == "reaction_removed":
channel_id = data["item"]["channel"]
elif (
data["type"] == "thread_marked"
or data["type"] == "thread_subscribed"
or data["type"] == "thread_unsubscribed"
) and data["subscription"]["type"] == "thread":
channel_id = data["subscription"]["channel"]
elif data["type"] == "sh_room_join" or data["type"] == "sh_room_update":
channel_id = data["huddle"]["channel_id"]
elif "channel" in data and type(data["channel"]) == str:
channel_id = data["channel"]
else:
log(
LogLevel.DEBUG,
DebugMessageType.LOG,
f"unknown websocket message type (without channel): {data.get('type')}",
)
return
channel = self.open_conversations.get(channel_id)
if channel is None:
log(
LogLevel.DEBUG,
DebugMessageType.LOG,
f"received websocket message for not open conversation, discarding",
)
return
if data["type"] == "message":
if "subtype" in data and data["subtype"] == "message_changed":
await channel.change_message(data)
elif "subtype" in data and data["subtype"] == "message_deleted":
await channel.delete_message(data)
elif "subtype" in data and data["subtype"] == "message_replied":
await channel.change_message(data)
else:
if "subtype" in data and data["subtype"] == "channel_topic":
await channel.set_topic(data["topic"])
message = SlackMessage(channel, data)
await channel.add_new_message(message)
elif data["type"] == "reaction_added" and data["item"]["type"] == "message":
await channel.reaction_add(
SlackTs(data["item"]["ts"]), data["reaction"], data["user"]
)
elif (
data["type"] == "reaction_removed" and data["item"]["type"] == "message"
):
await channel.reaction_remove(
SlackTs(data["item"]["ts"]), data["reaction"], data["user"]
)
elif (
data["type"] == "channel_marked"
or data["type"] == "group_marked"
or data["type"] == "mpim_marked"
or data["type"] == "im_marked"
):
channel.last_read = SlackTs(data["ts"])
elif (
data["type"] == "thread_marked"
and data["subscription"]["type"] == "thread"
):
message = channel.messages.get(
SlackTs(data["subscription"]["thread_ts"])
)
if message:
message.last_read = SlackTs(data["subscription"]["last_read"])
elif (
data["type"] == "thread_subscribed"
or data["type"] == "thread_unsubscribed"
) and data["subscription"]["type"] == "thread":
message = channel.messages.get(
SlackTs(data["subscription"]["thread_ts"])
)
if message:
subscribed = data["type"] == "thread_subscribed"
await message.update_subscribed(subscribed, data["subscription"])
elif data["type"] == "sh_room_join" or data["type"] == "sh_room_update":
await channel.update_message_room(data)
elif data["type"] == "user_typing":
await channel.typing_add_user(data)
else:
log(
LogLevel.DEBUG,
DebugMessageType.LOG,
f"unknown websocket message type (with channel): {data.get('type')}",
)
except Exception as e:
slack_error = SlackRtmError(self, e, data)
print_error(store_and_format_exception(slack_error))
def ping(self):
if not self.is_connected:
raise SlackError(self, "Can't ping when not connected")
if self._ws is None:
raise SlackError(self, "is_connected is True while _ws is None")
try:
self._ws.ping()
# workspace.last_ping_time = time.time()
except (WebSocketConnectionClosedException, socket.error):
print("lost connection on ping, reconnecting")
run_async(self.reconnect())
def send_typing(self, buffer: SlackBuffer):
if not self.is_connected:
raise SlackError(self, "Can't send typing when not connected")
if self._ws is None:
raise SlackError(self, "is_connected is True while _ws is None")
msg = {
"type": "user_typing",
"channel": buffer.conversation.id,
}
if isinstance(buffer, SlackThread):
msg["thread_ts"] = buffer.parent.ts
self._ws.send(json.dumps(msg))
async def reconnect(self):
self.disconnect()
await self.connect()
def disconnect(self):
self.is_connected = False
weechat.prnt("", f"Disconnected from workspace {self.name}")
if self._connect_task:
self._connect_task.cancel()
if self._hook_ws_fd:
weechat.unhook(self._hook_ws_fd)
self._hook_ws_fd = None
if self._ws:
self._ws.close()
self._ws = None
