From ecda1269f11efd861baa2b5cb3816e89af719aed Mon Sep 17 00:00:00 2001
From: Trygve Aaberge <trygveaa@gmail.com>
Date: Sun, 15 Jan 2023 00:14:48 +0100
Subject: Connect to websocket

---
 slack/slack_workspace.py | 70 +++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 69 insertions(+), 1 deletion(-)

(limited to 'slack/slack_workspace.py')

diff --git a/slack/slack_workspace.py b/slack/slack_workspace.py
index c95821c..0ddef89 100644
--- a/slack/slack_workspace.py
+++ b/slack/slack_workspace.py
@@ -1,14 +1,21 @@
 from __future__ import annotations
 
-from typing import Dict
+import json
+import socket
+import ssl
+import time
+from typing import Any, Dict
 
 import weechat
+from websocket import ABNF, WebSocketConnectionClosedException, create_connection
 
+from slack.proxy import Proxy
 from slack.shared import shared
 from slack.slack_api import SlackApi
 from slack.slack_conversation import SlackConversation
 from slack.slack_user import SlackUser
 from slack.task import Future, create_task
+from slack.util import get_callback_name
 
 
 class SlackUsers(Dict[str, Future[SlackUser]]):
@@ -44,6 +51,8 @@ class SlackWorkspace:
         self.id = rtm_connect["team"]["id"]
         self.my_user = await self.users[rtm_connect["self"]["id"]]
 
+        await self.connect_ws(rtm_connect["url"])
+
         # "types": "public_channel,private_channel,im",
         user_channels_response = await self.api.fetch_users_conversations(
             "public_channel"
@@ -63,3 +72,62 @@ class SlackWorkspace:
         # print([c["name"] for c in user_channels])
         self.is_connected = True
         weechat.bar_item_update("input_text")
+
+    async def connect_ws(self, url: str):
+        sslopt_ca_certs = {}
+        if hasattr(ssl, "get_default_verify_paths") and callable(
+            ssl.get_default_verify_paths
+        ):
+            ssl_defaults = ssl.get_default_verify_paths()
+            if ssl_defaults.cafile is not None:
+                sslopt_ca_certs = {"ca_certs": ssl_defaults.cafile}
+
+        proxy = Proxy()
+        proxy_options = {
+            "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.slack_timeout.value,
+        }
+        # TODO: Handle errors
+        self.ws = create_connection(
+            url,
+            self.config.slack_timeout.value,
+            sslopt=sslopt_ca_certs,
+            **proxy_options,
+        )
+
+        self.hook = 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:
+        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:
+                # TODO: Handle error
+                # handle_socket_error(e, team, "receive")
+                print(e)
+                return weechat.WEECHAT_RC_OK
+
+            if opcode == ABNF.OPCODE_PONG:
+                self.last_pong_time = time.time()
+                return weechat.WEECHAT_RC_OK
+            elif opcode != ABNF.OPCODE_TEXT:
+                return weechat.WEECHAT_RC_OK
+
+            self.ws_recv(json.loads(recv_data.decode()))
+
+    def ws_recv(self, data: Any):
+        print(f"received: {data}")
-- 
cgit