feat: add codex telegram bridge scripts

This commit is contained in:
banteg
2025-12-28 20:06:28 +04:00
parent c913c52233
commit a2141856bc
7 changed files with 978 additions and 0 deletions
@@ -0,0 +1,232 @@
from __future__ import annotations
import json
import os
import sqlite3
import time
import urllib.error
import urllib.request
from dataclasses import dataclass
from typing import Any, Dict, Iterable, List, Optional, Tuple
TELEGRAM_HARD_LIMIT = 4096
DEFAULT_CHUNK_LEN = 3500 # leave room for formatting / safety
def _now_unix() -> int:
return int(time.time())
def chunk_text(text: str, limit: int = DEFAULT_CHUNK_LEN) -> List[str]:
"""
Telegram hard limit is 4096 chars. Chunk at newlines when possible.
"""
text = text or ""
if len(text) <= limit:
return [text]
out: List[str] = []
buf: List[str] = []
size = 0
for line in text.splitlines(keepends=True):
if len(line) > limit:
# flush current buffer
if buf:
out.append("".join(buf))
buf, size = [], 0
# hard-split this long line
for i in range(0, len(line), limit):
out.append(line[i : i + limit])
continue
if size + len(line) > limit:
out.append("".join(buf))
buf, size = [line], len(line)
else:
buf.append(line)
size += len(line)
if buf:
out.append("".join(buf))
return out
class TelegramClient:
"""
Minimal Telegram Bot API client using standard library (no requests dependency).
Env:
TELEGRAM_BOT_TOKEN
"""
def __init__(self, token: str, timeout_s: int = 120) -> None:
if not token:
raise ValueError("Telegram token is empty")
self._base = f"https://api.telegram.org/bot{token}"
self._timeout_s = timeout_s
def _call(self, method: str, params: Dict[str, Any]) -> Any:
url = f"{self._base}/{method}"
data = json.dumps(params).encode("utf-8")
req = urllib.request.Request(
url,
data=data,
headers={"Content-Type": "application/json"},
method="POST",
)
try:
with urllib.request.urlopen(req, timeout=self._timeout_s) as resp:
payload = json.loads(resp.read().decode("utf-8"))
except urllib.error.HTTPError as e:
body = e.read().decode("utf-8", errors="replace")
raise RuntimeError(f"Telegram HTTPError {e.code}: {body}") from e
except urllib.error.URLError as e:
raise RuntimeError(f"Telegram URLError: {e}") from e
if not payload.get("ok"):
raise RuntimeError(f"Telegram API error: {payload}")
return payload["result"]
def get_updates(
self,
offset: Optional[int],
timeout_s: int = 50,
allowed_updates: Optional[List[str]] = None,
) -> List[Dict[str, Any]]:
params: Dict[str, Any] = {"timeout": timeout_s}
if offset is not None:
params["offset"] = offset
if allowed_updates is not None:
params["allowed_updates"] = allowed_updates
return self._call("getUpdates", params)
def send_message(
self,
chat_id: int,
text: str,
reply_to_message_id: Optional[int] = None,
disable_notification: bool = False,
) -> Dict[str, Any]:
if len(text) > TELEGRAM_HARD_LIMIT:
raise ValueError("send_message received too-long text; chunk it first")
params: Dict[str, Any] = {
"chat_id": chat_id,
"text": text,
"disable_notification": disable_notification,
}
if reply_to_message_id is not None:
params["reply_to_message_id"] = reply_to_message_id
return self._call("sendMessage", params)
def send_message_chunked(
self,
chat_id: int,
text: str,
reply_to_message_id: Optional[int] = None,
disable_notification: bool = False,
chunk_len: int = DEFAULT_CHUNK_LEN,
) -> List[Dict[str, Any]]:
sent: List[Dict[str, Any]] = []
chunks = chunk_text(text, limit=chunk_len)
for i, c in enumerate(chunks):
msg = self.send_message(
chat_id=chat_id,
text=c,
reply_to_message_id=(reply_to_message_id if i == 0 else None),
disable_notification=disable_notification,
)
sent.append(msg)
return sent
@dataclass(frozen=True)
class Route:
route_type: str # "exec" | "mcp" | "tmux"
route_id: str # session_id / conversationId / tmux target
meta: Dict[str, Any]
class RouteStore:
"""
Stores mapping: (chat_id, bot_message_id) -> route
so Telegram replies can be routed.
"""
def __init__(self, path: str) -> None:
os.makedirs(os.path.dirname(path) or ".", exist_ok=True)
self._conn = sqlite3.connect(path, check_same_thread=False)
self._conn.execute("PRAGMA journal_mode=WAL;")
self._conn.execute(
"""
CREATE TABLE IF NOT EXISTS routes (
chat_id INTEGER NOT NULL,
bot_message_id INTEGER NOT NULL,
route_type TEXT NOT NULL,
route_id TEXT NOT NULL,
meta_json TEXT,
created_at INTEGER NOT NULL,
PRIMARY KEY (chat_id, bot_message_id)
);
"""
)
self._conn.execute(
"CREATE INDEX IF NOT EXISTS idx_routes_route_id ON routes(route_id);"
)
self._conn.commit()
def link(
self,
chat_id: int,
bot_message_id: int,
route_type: str,
route_id: str,
meta: Optional[Dict[str, Any]] = None,
) -> None:
meta_json = json.dumps(meta or {}, ensure_ascii=False)
self._conn.execute(
"""
INSERT OR REPLACE INTO routes(chat_id, bot_message_id, route_type, route_id, meta_json, created_at)
VALUES(?, ?, ?, ?, ?, ?)
""",
(chat_id, bot_message_id, route_type, route_id, meta_json, _now_unix()),
)
self._conn.commit()
def resolve(self, chat_id: int, bot_message_id: int) -> Optional[Route]:
cur = self._conn.execute(
"""
SELECT route_type, route_id, meta_json
FROM routes
WHERE chat_id = ? AND bot_message_id = ?
""",
(chat_id, bot_message_id),
)
row = cur.fetchone()
if not row:
return None
route_type, route_id, meta_json = row
try:
meta = json.loads(meta_json) if meta_json else {}
except json.JSONDecodeError:
meta = {}
return Route(route_type=route_type, route_id=route_id, meta=meta)
def close(self) -> None:
self._conn.close()
def parse_allowed_chat_ids(env_value: str) -> Optional[set[int]]:
"""
Parse ALLOWED_CHAT_IDS="123,456"
"""
v = (env_value or "").strip()
if not v:
return None
out: set[int] = set()
for part in v.split(","):
part = part.strip()
if not part:
continue
out.add(int(part))
return out