mirror of
https://github.com/NousResearch/hermes-agent.git
synced 2026-07-29 18:46:59 +00:00
ffb38f0c03
Channel mention-gating was hardcoded on. Add a configurable require_mention (default True, preserving current behavior). When False, the agent responds to every message in a watched channel, not only when @mentioned; DMs always dispatch. Read from config.yaml gateway.platforms.buzz.extra.require_mention with BUZZ_REQUIRE_MENTION env override, bridged via apply_yaml_config_fn like the other settings. A leading mention is still stripped when present. Refs #68871
1100 lines
44 KiB
Python
1100 lines
44 KiB
Python
"""
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Buzz Platform Adapter for Hermes Agent.
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A plugin-based gateway adapter that connects to a Buzz community relay
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(Block's open-source human+agent collaboration platform, built on the
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Nostr protocol) and relays messages to/from the Hermes agent.
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The adapter does not speak Nostr itself — it shells out to the ``buzz``
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CLI binary ("JSON in, JSON out") via ``asyncio.create_subprocess_exec``.
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Inbound delivery uses a poll loop (the CLI is request/response); see the
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"Known limitations" note in the platform docs.
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Configuration in config.yaml::
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gateway:
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platforms:
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buzz:
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enabled: true
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extra:
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relay_url: https://mycommunity.communities.buzz.xyz
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channels: # channel UUIDs to watch (empty = all joined)
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- ccc2bc1a-7a82-5a8f-8c4e-57a070cbe7cd
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home_channel: ccc2bc1a-7a82-5a8f-8c4e-57a070cbe7cd
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poll_interval: 4 # seconds between poll sweeps
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cli_path: "" # path to the buzz binary (default: PATH, then ~/bin/buzz)
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credentials_file: "" # JSON file holding the nsec (fallback for BUZZ_PRIVATE_KEY)
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allowed_users: [] # empty = allow all; entries are hex pubkeys or npubs
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Or via environment variables (overrides config.yaml):
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BUZZ_RELAY_URL, BUZZ_CHANNELS, BUZZ_HOME_CHANNEL, BUZZ_POLL_INTERVAL,
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BUZZ_CLI_PATH, BUZZ_CREDENTIALS_FILE, BUZZ_ALLOWED_USERS,
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BUZZ_ALLOW_ALL_USERS
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The only secret is BUZZ_PRIVATE_KEY (nsec or hex) — it belongs in
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``~/.hermes/.env``. It is passed to the CLI via the subprocess
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environment and is never logged.
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"""
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import asyncio
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import json
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import logging
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import os
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import re
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import shutil
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import time
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from collections import OrderedDict
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from datetime import datetime
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from pathlib import Path
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from typing import Any, Dict, List, Optional, Tuple
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logger = logging.getLogger(__name__)
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from gateway.platforms.base import (
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BasePlatformAdapter,
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SendResult,
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MessageEvent,
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MessageType,
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)
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from gateway.config import Platform
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# Buzz chat messages are Nostr kind 9 events. ``buzz messages get`` also
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# returns housekeeping kinds (joins, canvas updates, …) — only kind 9 is
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# dispatched to the agent.
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_CHAT_KIND = 9
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# How many events to request per poll / seed call.
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_FETCH_LIMIT = 50
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# Bound on the per-channel de-dupe set (events, not bytes).
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_SEEN_CAP = 500
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# Re-run ``buzz dms list`` every N poll sweeps to pick up new conversations.
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_DM_DISCOVERY_EVERY = 5
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_DEFAULT_POLL_INTERVAL = 4.0
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_MIN_POLL_INTERVAL = 1.0
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_CLI_TIMEOUT = 30.0
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# Where to look for a credentials JSON (keys: nsec / private_key_hex) when
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# BUZZ_PRIVATE_KEY is not set. Module-level so tests can point it at a tmpdir.
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_DEFAULT_CREDENTIALS_DIR = Path("~/.config/buzz").expanduser()
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# ---------------------------------------------------------------------------
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# bech32 (BIP-173) helpers — used to convert between npub and hex pubkeys so
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# mention detection and allow-lists accept either form. Pure stdlib.
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# ---------------------------------------------------------------------------
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_BECH32_CHARSET = "qpzry9x8gf2tvdw0s3jn54khce6mua7l"
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def _bech32_polymod(values: List[int]) -> int:
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generator = (0x3B6A57B2, 0x26508E6D, 0x1EA119FA, 0x3D4233DD, 0x2A1462B3)
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chk = 1
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for value in values:
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top = chk >> 25
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chk = (chk & 0x1FFFFFF) << 5 ^ value
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for i in range(5):
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chk ^= generator[i] if ((top >> i) & 1) else 0
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return chk
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def _bech32_hrp_expand(hrp: str) -> List[int]:
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return [ord(c) >> 5 for c in hrp] + [0] + [ord(c) & 31 for c in hrp]
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def _convertbits(data, frombits: int, tobits: int, pad: bool = True) -> Optional[List[int]]:
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acc = 0
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bits = 0
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ret = []
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maxv = (1 << tobits) - 1
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for value in data:
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if value < 0 or (value >> frombits):
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return None
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acc = (acc << frombits) | value
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bits += frombits
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while bits >= tobits:
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bits -= tobits
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ret.append((acc >> bits) & maxv)
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if pad:
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if bits:
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ret.append((acc << (tobits - bits)) & maxv)
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elif bits >= frombits or ((acc << (tobits - bits)) & maxv):
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return None
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return ret
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def hex_to_npub(pubkey_hex: str) -> Optional[str]:
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"""Encode a 64-char hex pubkey as an ``npub1…`` bech32 string."""
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try:
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raw = bytes.fromhex(pubkey_hex)
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except ValueError:
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return None
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if len(raw) != 32:
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return None
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data = _convertbits(raw, 8, 5)
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if data is None:
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return None
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values = _bech32_hrp_expand("npub") + data
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polymod = _bech32_polymod(values + [0, 0, 0, 0, 0, 0]) ^ 1
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checksum = [(polymod >> 5 * (5 - i)) & 31 for i in range(6)]
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return "npub1" + "".join(_BECH32_CHARSET[d] for d in data + checksum)
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def npub_to_hex(npub: str) -> Optional[str]:
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"""Decode an ``npub1…`` bech32 string to a 64-char hex pubkey."""
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npub = npub.strip().lower()
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if not npub.startswith("npub1"):
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return None
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data_part = npub[len("npub1"):]
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try:
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data = [_BECH32_CHARSET.index(c) for c in data_part]
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except ValueError:
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return None
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if _bech32_polymod(_bech32_hrp_expand("npub") + data) != 1:
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return None
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decoded = _convertbits(data[:-6], 5, 8, pad=False)
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if decoded is None or len(decoded) != 32:
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return None
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return bytes(decoded).hex()
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def _normalize_user_ref(ref: str) -> Optional[str]:
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"""Normalize a user reference (hex pubkey or npub) to lowercase hex."""
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ref = (ref or "").strip().lower()
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if not ref:
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return None
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if ref.startswith("npub1"):
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return npub_to_hex(ref)
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if re.fullmatch(r"[0-9a-f]{64}", ref):
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return ref
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return None
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# ---------------------------------------------------------------------------
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# buzz-cli invocation helpers
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# ---------------------------------------------------------------------------
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def _resolve_cli_path(configured: str = "") -> str:
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"""Resolve the buzz CLI binary path portably.
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Order: explicit config value → ``buzz`` on PATH → ``~/bin/buzz``.
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Returns "" when nothing is found so callers can raise a config error.
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"""
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if configured:
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p = Path(configured).expanduser()
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return str(p) if p.is_file() else ""
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found = shutil.which("buzz")
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if found:
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return found
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fallback = Path.home() / "bin" / "buzz"
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return str(fallback) if fallback.is_file() else ""
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def _resolve_private_key(extra: Optional[dict] = None) -> str:
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"""Resolve the Nostr private key: env first, then a credentials JSON.
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NEVER log the return value.
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"""
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key = os.getenv("BUZZ_PRIVATE_KEY", "").strip()
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if key:
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return key
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configured = os.getenv("BUZZ_CREDENTIALS_FILE", "").strip() or (extra or {}).get("credentials_file", "")
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if configured:
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candidates = [Path(configured).expanduser()]
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else:
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try:
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candidates = sorted(_DEFAULT_CREDENTIALS_DIR.glob("*credentials*.json"))
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except OSError:
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candidates = []
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for path in candidates:
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try:
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data = json.loads(path.read_text(encoding="utf-8"))
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except (OSError, ValueError):
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continue
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if not isinstance(data, dict):
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continue
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for field in ("nsec", "private_key_hex", "private_key"):
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value = data.get(field)
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if isinstance(value, str) and value.strip():
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return value.strip()
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return ""
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async def _exec_buzz(
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cli_path: str,
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args: List[str],
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*,
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relay_url: str,
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private_key: str,
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input_text: Optional[str] = None,
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timeout: float = _CLI_TIMEOUT,
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) -> Tuple[int, str, str]:
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"""Run the buzz CLI with an argument list (never a shell) and return
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``(returncode, stdout, stderr)``.
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The private key travels via the subprocess environment only — it never
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appears in argv, so process listings and error logs stay clean.
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"""
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env = os.environ.copy()
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env["BUZZ_RELAY_URL"] = relay_url
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env["BUZZ_PRIVATE_KEY"] = private_key
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proc = await asyncio.create_subprocess_exec(
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cli_path,
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*args,
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stdin=asyncio.subprocess.PIPE if input_text is not None else asyncio.subprocess.DEVNULL,
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stdout=asyncio.subprocess.PIPE,
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stderr=asyncio.subprocess.PIPE,
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env=env,
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)
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try:
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stdout, stderr = await asyncio.wait_for(
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proc.communicate(input_text.encode("utf-8") if input_text is not None else None),
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timeout=timeout,
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)
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except asyncio.TimeoutError:
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proc.kill()
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await proc.wait()
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return 124, "", json.dumps({"error": "timeout", "message": f"buzz {args[0] if args else ''} timed out after {timeout}s"})
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return (
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proc.returncode if proc.returncode is not None else 4,
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stdout.decode("utf-8", errors="replace"),
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stderr.decode("utf-8", errors="replace"),
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)
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def _cli_error_message(stderr: str, returncode: int) -> str:
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"""Extract the human-readable message from the CLI's JSON error contract.
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stderr is ``{"error": "<category>", "message": "<detail>"}`` on failure;
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fall back to the raw (stripped) stderr when it isn't JSON.
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"""
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text = (stderr or "").strip()
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try:
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data = json.loads(text)
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if isinstance(data, dict) and data.get("message"):
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return f"{data.get('error', 'error')}: {data['message']} (exit {returncode})"
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except ValueError:
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pass
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return text or f"buzz CLI failed with exit code {returncode}"
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def _parse_json_list(stdout: str) -> List[dict]:
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"""Parse CLI stdout expected to be a JSON array of objects."""
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try:
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data = json.loads(stdout or "[]")
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except ValueError:
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return []
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if not isinstance(data, list):
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return []
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return [item for item in data if isinstance(item, dict)]
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# ---------------------------------------------------------------------------
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# Buzz Adapter
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# ---------------------------------------------------------------------------
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class BuzzAdapter(BasePlatformAdapter):
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"""Poll-based Buzz adapter implementing the BasePlatformAdapter interface.
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Instantiated by the adapter_factory passed to register_platform().
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"""
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def __init__(self, config, **kwargs):
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platform = Platform("buzz")
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super().__init__(config=config, platform=platform)
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extra = getattr(config, "extra", {}) or {}
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self._extra = extra
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# Connection settings (env vars override config.yaml)
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self.relay_url = (os.getenv("BUZZ_RELAY_URL") or extra.get("relay_url", "")).strip()
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self.cli_path = _resolve_cli_path(
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os.getenv("BUZZ_CLI_PATH", "").strip() or str(extra.get("cli_path", "") or "")
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)
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# Channels to watch: env csv > extra list/csv; empty = all joined channels
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raw_channels = os.getenv("BUZZ_CHANNELS") or extra.get("channels", [])
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if isinstance(raw_channels, str):
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raw_channels = raw_channels.split(",")
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self.channels: List[str] = [c.strip() for c in raw_channels if isinstance(c, str) and c.strip()]
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self.home_channel = (os.getenv("BUZZ_HOME_CHANNEL") or str(extra.get("home_channel", "") or "")).strip()
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try:
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interval = float(os.getenv("BUZZ_POLL_INTERVAL") or extra.get("poll_interval", _DEFAULT_POLL_INTERVAL))
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except (TypeError, ValueError):
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interval = _DEFAULT_POLL_INTERVAL
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self.poll_interval = max(_MIN_POLL_INTERVAL, interval)
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# Whether channel messages must @mention the agent to get a response.
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# Defaults to True (respond only when addressed). Set False to make the
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# agent respond to every message in a watched channel. DMs always
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# dispatch regardless. Env (BUZZ_REQUIRE_MENTION) overrides config.yaml.
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_rm_raw = os.getenv("BUZZ_REQUIRE_MENTION")
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if _rm_raw is None:
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_rm_cfg = extra.get("require_mention", True)
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else:
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_rm_cfg = _rm_raw
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self.require_mention = str(_rm_cfg).strip().lower() not in ("false", "0", "no", "off")
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# Auth: entries may be hex pubkeys or npubs; normalized to hex
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raw_allowed = os.getenv("BUZZ_ALLOWED_USERS") or extra.get("allowed_users", [])
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if isinstance(raw_allowed, str):
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raw_allowed = raw_allowed.split(",")
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self._allowed_pubkeys: set = {
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normalized
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for entry in raw_allowed
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if isinstance(entry, str) and (normalized := _normalize_user_ref(entry))
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}
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# Secret — resolved lazily (never at import/registration time and
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# never logged). connect() re-resolves it to fail fast with a clear
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# error when it is missing.
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self._private_key: str = ""
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# Identity — filled in by connect() from ``buzz users get``
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self._self_pubkey: str = ""
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self._self_npub: str = ""
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self._display_name: str = ""
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# Runtime state
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self._poll_task: Optional[asyncio.Task] = None
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# channel_id -> {"chat_type", "last_ts", "seen": OrderedDict[event_id, None]}
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self._channel_state: Dict[str, dict] = {}
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self._channel_names: Dict[str, str] = {}
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self._user_names: Dict[str, str] = {}
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self._poll_count = 0
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@property
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def name(self) -> str:
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return "Buzz"
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# ── buzz-cli plumbing ─────────────────────────────────────────────────
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async def _run_cli(self, args: List[str], *, input_text: Optional[str] = None) -> Tuple[int, str, str]:
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if not self._private_key:
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self._private_key = _resolve_private_key(self._extra)
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return await _exec_buzz(
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self.cli_path,
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args,
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relay_url=self.relay_url,
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private_key=self._private_key,
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input_text=input_text,
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)
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# ── Connection lifecycle ──────────────────────────────────────────────
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async def connect(self, *, is_reconnect: bool = False) -> bool:
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"""Verify relay credentials, seed high-water marks, start polling."""
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if not self.relay_url:
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logger.error("Buzz: relay URL must be configured")
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self._set_fatal_error("config_missing", "BUZZ_RELAY_URL must be set", retryable=False)
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return False
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if not self.cli_path:
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logger.error("Buzz: buzz CLI binary not found (set BUZZ_CLI_PATH or put 'buzz' on PATH)")
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self._set_fatal_error("cli_missing", "buzz CLI binary not found", retryable=False)
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return False
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self._private_key = _resolve_private_key(self._extra)
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if not self._private_key:
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logger.error("Buzz: no private key (set BUZZ_PRIVATE_KEY or a credentials file)")
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self._set_fatal_error("config_missing", "BUZZ_PRIVATE_KEY must be set", retryable=False)
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return False
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# Learn our own identity: pubkey drives self-echo suppression and
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# display name drives channel mention gating.
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code, out, err = await self._run_cli(["users", "get"])
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if code != 0:
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message = _cli_error_message(err, code)
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logger.error("Buzz: failed to fetch own profile from %s — %s", self.relay_url, message)
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self._set_fatal_error("connect_failed", message, retryable=code == 2)
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return False
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profiles = _parse_json_list(out)
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if not profiles or not profiles[0].get("pubkey"):
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logger.error("Buzz: 'users get' returned no profile — is the key a member of this community?")
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self._set_fatal_error("connect_failed", "buzz users get returned no profile", retryable=True)
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return False
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self._self_pubkey = str(profiles[0]["pubkey"]).lower()
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self._display_name = str(profiles[0].get("display_name") or "").strip()
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self._self_npub = hex_to_npub(self._self_pubkey) or ""
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# Map channel ids to names and pick the watch set.
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code, out, err = await self._run_cli(["channels", "list"])
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if code != 0:
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message = _cli_error_message(err, code)
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logger.error("Buzz: failed to list channels — %s", message)
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self._set_fatal_error("connect_failed", message, retryable=code == 2)
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return False
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listed = _parse_json_list(out)
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self._channel_names = {
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str(ch.get("channel_id")): str(ch.get("name") or ch.get("channel_id"))
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for ch in listed
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if ch.get("channel_id")
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}
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watch = self.channels or list(self._channel_names)
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if not watch:
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logger.error("Buzz: no channels to watch (configure BUZZ_CHANNELS or join a channel)")
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self._set_fatal_error("config_missing", "no Buzz channels to watch", retryable=False)
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return False
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# Seed high-water marks from the newest events so a (re)start never
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# replays channel history into the agent.
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for channel_id in watch:
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await self._seed_channel(channel_id, chat_type="group")
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await self._discover_dms(seed=True)
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self._poll_task = asyncio.create_task(self._poll_loop())
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self._mark_connected()
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logger.info(
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"Buzz: connected to %s as %s, watching %d channel(s), poll interval %.1fs",
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self.relay_url,
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self._display_name or self._self_npub[:16],
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len(self._channel_state),
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self.poll_interval,
|
|
)
|
|
return True
|
|
|
|
async def disconnect(self) -> None:
|
|
"""Stop the poll loop and drop runtime state."""
|
|
self._mark_disconnected()
|
|
if self._poll_task and not self._poll_task.done():
|
|
self._poll_task.cancel()
|
|
try:
|
|
await self._poll_task
|
|
except asyncio.CancelledError:
|
|
pass
|
|
self._poll_task = None
|
|
self._channel_state = {}
|
|
self._poll_count = 0
|
|
|
|
# ── Sending ───────────────────────────────────────────────────────────
|
|
|
|
async def send(
|
|
self,
|
|
chat_id: str,
|
|
content: str,
|
|
reply_to: Optional[str] = None,
|
|
metadata: Optional[Dict[str, Any]] = None,
|
|
) -> SendResult:
|
|
if not content:
|
|
return SendResult(success=False, error="Empty message")
|
|
args = ["messages", "send", "--channel", str(chat_id), "--content", "-"]
|
|
reply_target = reply_to or (metadata or {}).get("thread_id")
|
|
if reply_target:
|
|
args += ["--reply-to", str(reply_target)]
|
|
code, out, err = await self._run_cli(args, input_text=content)
|
|
if code != 0:
|
|
return SendResult(
|
|
success=False,
|
|
error=_cli_error_message(err, code),
|
|
retryable=code == 2,
|
|
)
|
|
try:
|
|
data = json.loads(out or "{}")
|
|
except ValueError:
|
|
data = {}
|
|
event_id = data.get("event_id")
|
|
if event_id:
|
|
# Belt-and-braces echo suppression: the poll loop already skips
|
|
# our own pubkey, but marking the id seen makes de-dupe explicit.
|
|
self._mark_seen(str(chat_id), str(event_id))
|
|
return SendResult(
|
|
success=bool(data.get("accepted", True)),
|
|
message_id=str(event_id) if event_id else None,
|
|
raw_response=data,
|
|
)
|
|
|
|
async def send_typing(self, chat_id: str, metadata=None) -> None:
|
|
"""Buzz has no typing indicator API — no-op."""
|
|
pass
|
|
|
|
async def send_reaction(self, chat_id: str, message_id: str, emoji: str) -> bool:
|
|
"""Add a reaction to a message via buzz-cli.
|
|
|
|
Returns True on success, False on failure. Errors are logged but not
|
|
raised — reactions are best-effort and should never block the main
|
|
message flow.
|
|
"""
|
|
if not self.cli_path or not emoji or not message_id:
|
|
return False
|
|
# buzz-cli: `reactions add --event <64-char hex event id> --emoji <e>`.
|
|
# The event id IS the message_id we recorded on dispatch; channel is
|
|
# not a parameter to this subcommand.
|
|
args = [
|
|
"reactions", "add",
|
|
"--event", str(message_id),
|
|
"--emoji", emoji,
|
|
]
|
|
code, _out, err = await self._run_cli(args)
|
|
if code != 0:
|
|
logger.debug(
|
|
"Buzz: reaction add failed for message %s in %s — %s",
|
|
message_id[:12], chat_id, _cli_error_message(err, code),
|
|
)
|
|
return False
|
|
return True
|
|
|
|
async def send_image(
|
|
self,
|
|
chat_id: str,
|
|
image_url: str,
|
|
caption: Optional[str] = None,
|
|
reply_to: Optional[str] = None,
|
|
metadata: Optional[Dict[str, Any]] = None,
|
|
) -> SendResult:
|
|
"""Send an image: local files upload via --file, URLs go as a link."""
|
|
local = Path(image_url).expanduser() if not image_url.startswith(("http://", "https://")) else None
|
|
if local is not None and local.is_file():
|
|
args = [
|
|
"messages", "send",
|
|
"--channel", str(chat_id),
|
|
"--file", str(local),
|
|
"--content", "-",
|
|
]
|
|
if reply_to:
|
|
args += ["--reply-to", str(reply_to)]
|
|
code, out, err = await self._run_cli(args, input_text=caption or "")
|
|
if code != 0:
|
|
return SendResult(success=False, error=_cli_error_message(err, code), retryable=code == 2)
|
|
try:
|
|
data = json.loads(out or "{}")
|
|
except ValueError:
|
|
data = {}
|
|
event_id = data.get("event_id")
|
|
if event_id:
|
|
self._mark_seen(str(chat_id), str(event_id))
|
|
return SendResult(
|
|
success=bool(data.get("accepted", True)),
|
|
message_id=str(event_id) if event_id else None,
|
|
raw_response=data,
|
|
)
|
|
# Markdown renders in Buzz, so a URL arrives as a clickable image link.
|
|
text = f"{caption}\n{image_url}" if caption else image_url
|
|
return await self.send(chat_id, text, reply_to=reply_to, metadata=metadata)
|
|
|
|
async def get_chat_info(self, chat_id: str) -> Dict[str, Any]:
|
|
chat_id = str(chat_id)
|
|
state = self._channel_state.get(chat_id)
|
|
chat_type = state["chat_type"] if state else "group"
|
|
name = self._channel_names.get(chat_id)
|
|
if name is None and self.cli_path:
|
|
code, out, _err = await self._run_cli(["channels", "get", "--channel", chat_id])
|
|
if code == 0:
|
|
try:
|
|
data = json.loads(out or "{}")
|
|
if isinstance(data, dict) and data.get("name"):
|
|
name = str(data["name"])
|
|
self._channel_names[chat_id] = name
|
|
except ValueError:
|
|
pass
|
|
return {"name": name or chat_id, "type": chat_type, "chat_id": chat_id}
|
|
|
|
# ── Inbound polling ───────────────────────────────────────────────────
|
|
|
|
async def _poll_loop(self) -> None:
|
|
"""Poll every watched channel for new events until cancelled."""
|
|
try:
|
|
while True:
|
|
await asyncio.sleep(self.poll_interval)
|
|
self._poll_count += 1
|
|
try:
|
|
if self._poll_count % _DM_DISCOVERY_EVERY == 0:
|
|
await self._discover_dms(seed=False)
|
|
for channel_id in list(self._channel_state):
|
|
await self._poll_channel(channel_id)
|
|
except asyncio.CancelledError:
|
|
raise
|
|
except Exception:
|
|
logger.warning("Buzz: poll sweep failed", exc_info=True)
|
|
except asyncio.CancelledError:
|
|
raise
|
|
|
|
async def _seed_channel(self, channel_id: str, chat_type: str) -> None:
|
|
"""Initialize a channel's high-water mark from its newest events."""
|
|
state = {"chat_type": chat_type, "last_ts": 0, "seen": OrderedDict()}
|
|
self._channel_state[channel_id] = state
|
|
code, out, err = await self._run_cli(
|
|
["messages", "get", "--channel", channel_id, "--limit", str(_FETCH_LIMIT)]
|
|
)
|
|
if code != 0:
|
|
logger.warning(
|
|
"Buzz: could not seed channel %s — %s", channel_id, _cli_error_message(err, code)
|
|
)
|
|
# Fall back to "now" so a transiently unreadable channel does not
|
|
# replay its whole history once it becomes readable.
|
|
state["last_ts"] = int(time.time())
|
|
return
|
|
for event in _parse_json_list(out):
|
|
event_id = event.get("id")
|
|
created_at = int(event.get("created_at") or 0)
|
|
if event_id:
|
|
state["seen"][str(event_id)] = None
|
|
state["last_ts"] = max(state["last_ts"], created_at)
|
|
self._trim_seen(state)
|
|
|
|
async def _discover_dms(self, *, seed: bool) -> None:
|
|
"""Watch DM conversations. New ones found mid-run dispatch from their
|
|
beginning (a fresh conversation has no history worth suppressing);
|
|
ones present at startup are seeded like channels."""
|
|
code, out, _err = await self._run_cli(["dms", "list"])
|
|
if code != 0:
|
|
return
|
|
for dm in _parse_json_list(out):
|
|
dm_id = str(dm.get("dm_id") or "")
|
|
if not dm_id or dm_id in self._channel_state:
|
|
continue
|
|
if seed:
|
|
await self._seed_channel(dm_id, chat_type="dm")
|
|
else:
|
|
self._channel_state[dm_id] = {"chat_type": "dm", "last_ts": 0, "seen": OrderedDict()}
|
|
self._channel_names.setdefault(dm_id, "DM")
|
|
|
|
async def _poll_channel(self, channel_id: str) -> None:
|
|
state = self._channel_state.get(channel_id)
|
|
if state is None:
|
|
return
|
|
args = ["messages", "get", "--channel", channel_id, "--limit", str(_FETCH_LIMIT)]
|
|
if state["last_ts"]:
|
|
# Nostr `since` is inclusive: same-second events are re-fetched
|
|
# and de-duped by id below.
|
|
args += ["--since", str(state["last_ts"])]
|
|
code, out, err = await self._run_cli(args)
|
|
if code != 0:
|
|
logger.debug(
|
|
"Buzz: poll of channel %s failed — %s", channel_id, _cli_error_message(err, code)
|
|
)
|
|
return
|
|
for event in _parse_json_list(out):
|
|
await self._handle_event(channel_id, state, event)
|
|
self._trim_seen(state)
|
|
|
|
async def _handle_event(self, channel_id: str, state: dict, event: dict) -> None:
|
|
"""De-dupe, filter, and dispatch a single ``messages get`` event."""
|
|
event_id = str(event.get("id") or "")
|
|
created_at = int(event.get("created_at") or 0)
|
|
if not event_id or event_id in state["seen"]:
|
|
return
|
|
state["seen"][event_id] = None
|
|
state["last_ts"] = max(state["last_ts"], created_at)
|
|
|
|
if int(event.get("kind") or 0) != _CHAT_KIND:
|
|
return
|
|
pubkey = str(event.get("pubkey") or "").lower()
|
|
content = event.get("content")
|
|
if not pubkey or not isinstance(content, str) or not content.strip():
|
|
return
|
|
|
|
# Suppress self-echo: never dispatch our own messages back to the agent.
|
|
if pubkey == self._self_pubkey:
|
|
return
|
|
|
|
is_dm = state["chat_type"] == "dm"
|
|
# In shared channels, respond only when addressed — unless
|
|
# require_mention is disabled, in which case respond to every message.
|
|
# DMs always dispatch.
|
|
if not is_dm and self.require_mention and not self._is_mentioned(content):
|
|
return
|
|
|
|
# Adapter-level allow-list (the gateway applies BUZZ_ALLOWED_USERS /
|
|
# BUZZ_ALLOW_ALL_USERS centrally as well; empty list = no filter here).
|
|
if self._allowed_pubkeys and pubkey not in self._allowed_pubkeys:
|
|
logger.debug("Buzz: ignoring message from unauthorized pubkey %s…", pubkey[:8])
|
|
return
|
|
|
|
# In channels the message addressed us with a leading @mention; strip
|
|
# it so slash commands (@Chip /whoami -> /whoami) and clean prompts are
|
|
# recognized. DMs are already clean.
|
|
dispatch_text = content if is_dm else self._strip_mention(content)
|
|
|
|
await self._dispatch_message(
|
|
text=dispatch_text,
|
|
chat_id=channel_id,
|
|
chat_type="dm" if is_dm else "group",
|
|
user_id=pubkey,
|
|
user_name=await self._resolve_user_name(pubkey),
|
|
message_id=event_id,
|
|
created_at=created_at,
|
|
)
|
|
|
|
def _is_mentioned(self, content: str) -> bool:
|
|
"""True when the message addresses this agent (npub, hex, or name)."""
|
|
lowered = content.lower()
|
|
if self._self_pubkey and self._self_pubkey in lowered:
|
|
return True
|
|
if self._self_npub and self._self_npub in lowered:
|
|
return True
|
|
if self._display_name:
|
|
pattern = rf"(?<!\w)@?{re.escape(self._display_name.lower())}(?!\w)"
|
|
if re.search(pattern, lowered):
|
|
return True
|
|
return False
|
|
|
|
def _strip_mention(self, content: str) -> str:
|
|
"""Remove a leading @mention of this agent so the remaining text can be
|
|
recognized as a slash command or clean prompt.
|
|
|
|
Mirrors the Discord adapter, which strips its own ``<@id>`` mention
|
|
before dispatch. Without this a channel message like ``@Chip /whoami``
|
|
arrives with a leading ``@Chip``; the gateway's ``is_command()`` checks
|
|
``text.lstrip().startswith("/")`` and never fires the command. Only a
|
|
LEADING mention is stripped (case-insensitive); mentions mid-sentence
|
|
are left intact so normal prose is unaffected.
|
|
"""
|
|
text = content.strip()
|
|
candidates = []
|
|
if self._display_name:
|
|
candidates.append(re.escape(self._display_name))
|
|
if self._self_npub:
|
|
candidates.append(re.escape(self._self_npub))
|
|
if self._self_pubkey:
|
|
candidates.append(re.escape(self._self_pubkey))
|
|
if not candidates:
|
|
return text
|
|
# Optional leading '@', one of the identity forms, optional trailing
|
|
# ':' or ',' and surrounding whitespace.
|
|
pattern = rf"^@?(?:{'|'.join(candidates)})[\s:,]*"
|
|
stripped = re.sub(pattern, "", text, count=1, flags=re.IGNORECASE)
|
|
return stripped.strip()
|
|
|
|
async def _resolve_user_name(self, pubkey: str) -> str:
|
|
"""Resolve a pubkey to a display name (cached; falls back to npub prefix)."""
|
|
cached = self._user_names.get(pubkey)
|
|
if cached:
|
|
return cached
|
|
name = ""
|
|
code, out, _err = await self._run_cli(["users", "get", "--pubkey", pubkey])
|
|
if code == 0:
|
|
profiles = _parse_json_list(out)
|
|
if profiles:
|
|
name = str(profiles[0].get("display_name") or "").strip()
|
|
if not name:
|
|
name = (hex_to_npub(pubkey) or pubkey)[:16]
|
|
self._user_names[pubkey] = name
|
|
return name
|
|
|
|
@staticmethod
|
|
def _trim_seen(state: dict) -> None:
|
|
seen = state["seen"]
|
|
while len(seen) > _SEEN_CAP:
|
|
seen.popitem(last=False)
|
|
|
|
def _mark_seen(self, channel_id: str, event_id: str) -> None:
|
|
state = self._channel_state.get(channel_id)
|
|
if state is not None:
|
|
state["seen"][event_id] = None
|
|
self._trim_seen(state)
|
|
|
|
async def _dispatch_message(
|
|
self,
|
|
text: str,
|
|
chat_id: str,
|
|
chat_type: str,
|
|
user_id: str,
|
|
user_name: str,
|
|
message_id: str,
|
|
created_at: int,
|
|
) -> None:
|
|
"""Build a MessageEvent and hand it to the base class handler."""
|
|
if not self._message_handler:
|
|
return
|
|
|
|
source = self.build_source(
|
|
chat_id=chat_id,
|
|
chat_name=self._channel_names.get(chat_id, chat_id),
|
|
chat_type=chat_type,
|
|
user_id=user_id,
|
|
user_name=user_name,
|
|
)
|
|
|
|
event = MessageEvent(
|
|
text=text,
|
|
message_type=MessageType.TEXT,
|
|
source=source,
|
|
message_id=message_id,
|
|
timestamp=datetime.fromtimestamp(created_at) if created_at else datetime.now(),
|
|
)
|
|
|
|
await self.handle_message(event)
|
|
|
|
# Add a "seen" reaction after dispatching — signals to the user that
|
|
# their message was received and is being processed.
|
|
try:
|
|
await self.send_reaction(chat_id, message_id, "👀")
|
|
except Exception:
|
|
logger.debug("Buzz: reaction failed for message %s", message_id[:12], exc_info=True)
|
|
|
|
|
|
# ---------------------------------------------------------------------------
|
|
# Plugin registration
|
|
# ---------------------------------------------------------------------------
|
|
|
|
def check_requirements() -> bool:
|
|
"""Check if Buzz is configured: a relay URL plus a resolvable key."""
|
|
if not os.getenv("BUZZ_RELAY_URL", "").strip():
|
|
return False
|
|
return bool(_resolve_private_key())
|
|
|
|
|
|
def validate_config(config) -> bool:
|
|
"""Validate that the platform config has enough info to connect."""
|
|
extra = getattr(config, "extra", {}) or {}
|
|
relay = os.getenv("BUZZ_RELAY_URL") or extra.get("relay_url", "")
|
|
return bool(relay and _resolve_private_key(extra))
|
|
|
|
|
|
def is_connected(config) -> bool:
|
|
"""Check whether Buzz is configured (env or config.yaml)."""
|
|
return validate_config(config)
|
|
|
|
|
|
def _apply_yaml_config(yaml_cfg: dict, buzz_cfg: dict) -> Optional[dict]:
|
|
"""Translate ``config.yaml`` ``buzz.extra`` keys into ``BUZZ_*`` env vars.
|
|
|
|
Implements the ``apply_yaml_config_fn`` contract. ``check_requirements``
|
|
and the adapter's connect path read configuration from the environment, so
|
|
a config.yaml-only setup (no ``BUZZ_*`` env vars beyond the secret) would
|
|
otherwise fail the ``check_fn`` gate and be silently skipped at gateway
|
|
startup. This hook bridges the ``extra`` block into env, mirroring the
|
|
Slack/Telegram pattern. Env vars win over YAML — every assignment is
|
|
guarded by ``not os.getenv(...)`` so explicit env overrides survive a
|
|
config.yaml update. ``BUZZ_PRIVATE_KEY`` is a secret and stays in ``.env``;
|
|
it is never sourced from config.yaml here.
|
|
"""
|
|
extra = buzz_cfg.get("extra", buzz_cfg) or {}
|
|
if not isinstance(extra, dict):
|
|
return None
|
|
_str_keys = {
|
|
"relay_url": "BUZZ_RELAY_URL",
|
|
"cli_path": "BUZZ_CLI_PATH",
|
|
"home_channel": "BUZZ_HOME_CHANNEL",
|
|
}
|
|
for src, env in _str_keys.items():
|
|
val = extra.get(src)
|
|
if val and not os.getenv(env):
|
|
os.environ[env] = str(val)
|
|
interval = extra.get("poll_interval")
|
|
if interval is not None and not os.getenv("BUZZ_POLL_INTERVAL"):
|
|
os.environ["BUZZ_POLL_INTERVAL"] = str(interval)
|
|
channels = extra.get("channels")
|
|
if channels is not None and not os.getenv("BUZZ_CHANNELS"):
|
|
if isinstance(channels, (list, tuple)):
|
|
channels = ",".join(str(c) for c in channels)
|
|
os.environ["BUZZ_CHANNELS"] = str(channels)
|
|
allowed = extra.get("allowed_users")
|
|
if allowed is not None and not os.getenv("BUZZ_ALLOWED_USERS"):
|
|
if isinstance(allowed, (list, tuple)):
|
|
allowed = ",".join(str(a) for a in allowed)
|
|
os.environ["BUZZ_ALLOWED_USERS"] = str(allowed)
|
|
if "allow_all_users" in extra and not os.getenv("BUZZ_ALLOW_ALL_USERS"):
|
|
os.environ["BUZZ_ALLOW_ALL_USERS"] = str(extra["allow_all_users"]).lower()
|
|
if "require_mention" in extra and not os.getenv("BUZZ_REQUIRE_MENTION"):
|
|
os.environ["BUZZ_REQUIRE_MENTION"] = str(extra["require_mention"]).lower()
|
|
return None
|
|
|
|
|
|
def _env_enablement() -> Optional[dict]:
|
|
"""Seed ``PlatformConfig.extra`` from env vars during gateway config load.
|
|
|
|
Called BEFORE adapter construction so env-only setups show up in
|
|
``hermes gateway status`` and ``get_connected_platforms()``. Returns
|
|
``None`` when Buzz isn't minimally configured.
|
|
|
|
The special ``home_channel`` key is handled by the core hook — it becomes
|
|
a proper ``HomeChannel`` on the ``PlatformConfig``.
|
|
"""
|
|
relay = os.getenv("BUZZ_RELAY_URL", "").strip()
|
|
if not relay or not _resolve_private_key():
|
|
return None
|
|
seed: dict = {"relay_url": relay}
|
|
channels = os.getenv("BUZZ_CHANNELS", "").strip()
|
|
if channels:
|
|
seed["channels"] = [c.strip() for c in channels.split(",") if c.strip()]
|
|
interval = os.getenv("BUZZ_POLL_INTERVAL", "").strip()
|
|
if interval:
|
|
try:
|
|
seed["poll_interval"] = float(interval)
|
|
except ValueError:
|
|
pass
|
|
cli_path = os.getenv("BUZZ_CLI_PATH", "").strip()
|
|
if cli_path:
|
|
seed["cli_path"] = cli_path
|
|
# Home channel for deliver=buzz cron jobs; defaults to the first watched
|
|
# channel so env-only setups get a sensible target without extra config.
|
|
home = os.getenv("BUZZ_HOME_CHANNEL", "").strip() or (seed.get("channels") or [""])[0]
|
|
if home:
|
|
seed["home_channel"] = {
|
|
"chat_id": home,
|
|
"name": os.getenv("BUZZ_HOME_CHANNEL_NAME", home),
|
|
}
|
|
return seed
|
|
|
|
|
|
async def _standalone_send(
|
|
pconfig,
|
|
chat_id: str,
|
|
message: str,
|
|
*,
|
|
thread_id: Optional[str] = None,
|
|
media_files: Optional[List[str]] = None,
|
|
force_document: bool = False,
|
|
) -> Dict[str, Any]:
|
|
"""One-shot send without a live adapter (out-of-process cron delivery).
|
|
|
|
Used by ``tools/send_message_tool`` when ``hermes cron`` runs separately
|
|
from the gateway process. Without this hook, ``deliver=buzz`` cron jobs
|
|
fail with ``No live adapter for platform 'buzz'``.
|
|
"""
|
|
extra = getattr(pconfig, "extra", {}) or {}
|
|
relay = (os.getenv("BUZZ_RELAY_URL") or extra.get("relay_url", "")).strip()
|
|
private_key = _resolve_private_key(extra)
|
|
cli_path = _resolve_cli_path(
|
|
os.getenv("BUZZ_CLI_PATH", "").strip() or str(extra.get("cli_path", "") or "")
|
|
)
|
|
if not relay or not private_key:
|
|
return {"error": "Buzz standalone send: BUZZ_RELAY_URL and BUZZ_PRIVATE_KEY must be configured"}
|
|
if not cli_path:
|
|
return {"error": "Buzz standalone send: buzz CLI binary not found"}
|
|
target = (chat_id or "").strip() or (os.getenv("BUZZ_HOME_CHANNEL") or str(extra.get("home_channel", "") or "")).strip()
|
|
if not target:
|
|
return {"error": "Buzz standalone send: no target channel (set BUZZ_HOME_CHANNEL)"}
|
|
|
|
args = ["messages", "send", "--channel", target, "--content", "-"]
|
|
if thread_id:
|
|
args += ["--reply-to", str(thread_id)]
|
|
for path in media_files or []:
|
|
args += ["--file", str(path)]
|
|
try:
|
|
code, out, err = await _exec_buzz(
|
|
cli_path, args, relay_url=relay, private_key=private_key, input_text=message
|
|
)
|
|
except asyncio.CancelledError:
|
|
raise
|
|
except OSError as e:
|
|
return {"error": f"Buzz standalone send failed to launch CLI: {e}"}
|
|
if code != 0:
|
|
return {"error": f"Buzz standalone send failed: {_cli_error_message(err, code)}"}
|
|
try:
|
|
data = json.loads(out or "{}")
|
|
except ValueError:
|
|
data = {}
|
|
return {"success": True, "message_id": str(data.get("event_id") or "")}
|
|
|
|
|
|
def interactive_setup() -> None:
|
|
"""Interactive ``hermes gateway setup`` flow for the Buzz platform.
|
|
|
|
Lazy-imports ``hermes_cli.setup`` helpers so the plugin stays importable
|
|
in non-CLI contexts (gateway runtime, tests).
|
|
"""
|
|
from hermes_cli.setup import (
|
|
prompt,
|
|
prompt_yes_no,
|
|
save_env_value,
|
|
get_env_value,
|
|
print_header,
|
|
print_info,
|
|
print_warning,
|
|
print_success,
|
|
)
|
|
|
|
print_header("Buzz")
|
|
existing_relay = get_env_value("BUZZ_RELAY_URL")
|
|
if existing_relay:
|
|
print_info(f"Buzz: already configured (relay: {existing_relay})")
|
|
if not prompt_yes_no("Reconfigure Buzz?", False):
|
|
return
|
|
|
|
print_info("Connect Hermes to a Buzz community (Block's Nostr-based human+agent platform).")
|
|
print_info(" Requires the buzz CLI binary and a Nostr key that is a community member.")
|
|
print()
|
|
|
|
relay = prompt(
|
|
"Relay URL (e.g. https://mycommunity.communities.buzz.xyz)",
|
|
default=existing_relay or "",
|
|
)
|
|
if not relay:
|
|
print_warning("Relay URL is required — skipping Buzz setup")
|
|
return
|
|
save_env_value("BUZZ_RELAY_URL", relay.strip())
|
|
|
|
key = prompt("Nostr private key (nsec or hex; leave blank to keep current)", password=True)
|
|
if key:
|
|
save_env_value("BUZZ_PRIVATE_KEY", key.strip())
|
|
elif not _resolve_private_key():
|
|
print_warning("No private key configured — set BUZZ_PRIVATE_KEY before starting the gateway")
|
|
|
|
channels = prompt(
|
|
"Channel UUIDs to watch (comma-separated, empty = all joined channels)",
|
|
default=get_env_value("BUZZ_CHANNELS") or "",
|
|
)
|
|
if channels:
|
|
save_env_value("BUZZ_CHANNELS", channels.replace(" ", ""))
|
|
|
|
home = prompt(
|
|
"Home channel UUID for cron/notification delivery (optional)",
|
|
default=get_env_value("BUZZ_HOME_CHANNEL") or "",
|
|
)
|
|
if home:
|
|
save_env_value("BUZZ_HOME_CHANNEL", home.strip())
|
|
|
|
print()
|
|
print_info("🔒 Access control: restrict who can talk to the agent")
|
|
allow_all = prompt_yes_no("Allow all community members to talk to the agent?", False)
|
|
if allow_all:
|
|
save_env_value("BUZZ_ALLOW_ALL_USERS", "true")
|
|
save_env_value("BUZZ_ALLOWED_USERS", "")
|
|
print_warning("⚠️ Open access — anyone in the community can command the agent.")
|
|
else:
|
|
save_env_value("BUZZ_ALLOW_ALL_USERS", "false")
|
|
allowed = prompt(
|
|
"Allowed users (comma-separated npubs or hex pubkeys, empty to deny everyone)",
|
|
default=get_env_value("BUZZ_ALLOWED_USERS") or "",
|
|
)
|
|
save_env_value("BUZZ_ALLOWED_USERS", allowed.replace(" ", "") if allowed else "")
|
|
|
|
print()
|
|
print_success("Buzz configuration saved to ~/.hermes/.env")
|
|
print_info("Restart the gateway for changes to take effect: hermes gateway restart")
|
|
|
|
|
|
def register(ctx):
|
|
"""Plugin entry point: called by the Hermes plugin system."""
|
|
ctx.register_platform(
|
|
name="buzz",
|
|
label="Buzz",
|
|
adapter_factory=lambda cfg: BuzzAdapter(cfg),
|
|
check_fn=check_requirements,
|
|
validate_config=validate_config,
|
|
is_connected=is_connected,
|
|
required_env=["BUZZ_RELAY_URL", "BUZZ_PRIVATE_KEY"],
|
|
install_hint="Requires the buzz CLI binary (https://github.com/block/buzz) on PATH or at BUZZ_CLI_PATH",
|
|
setup_fn=interactive_setup,
|
|
# Env-driven auto-configuration: seeds PlatformConfig.extra with
|
|
# relay/channels/poll interval + home_channel so env-only setups show
|
|
# up in gateway status without instantiating the adapter.
|
|
env_enablement_fn=_env_enablement,
|
|
# Bridge config.yaml buzz.extra -> BUZZ_* env vars so check_fn and the
|
|
# env-driven connect path work for config.yaml-only setups (secret stays
|
|
# in .env). Without this the check_fn gate skips Buzz at startup.
|
|
apply_yaml_config_fn=_apply_yaml_config,
|
|
# Cron home-channel delivery support (deliver=buzz).
|
|
cron_deliver_env_var="BUZZ_HOME_CHANNEL",
|
|
# Out-of-process cron delivery. Without this hook, deliver=buzz
|
|
# cron jobs fail with "No live adapter" when cron runs separately
|
|
# from the gateway.
|
|
standalone_sender_fn=_standalone_send,
|
|
# Auth env vars for _is_user_authorized() integration
|
|
allowed_users_env="BUZZ_ALLOWED_USERS",
|
|
allow_all_env="BUZZ_ALLOW_ALL_USERS",
|
|
# Display
|
|
emoji="🐝",
|
|
# Buzz identities are pubkeys, not phone numbers
|
|
pii_safe=False,
|
|
allow_update_command=True,
|
|
# LLM guidance
|
|
platform_hint=(
|
|
"You are collaborating in a Buzz workspace (Block's Nostr-based "
|
|
"human+agent platform). Markdown IS supported. Users address you "
|
|
"by @-mentioning your name or npub in channels; direct messages "
|
|
"reach you without a mention. Keep responses conversational."
|
|
),
|
|
)
|