889 lines
34 KiB
Python
889 lines
34 KiB
Python
"""Discord server introspection and management tool (REST API + bot token).
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Talks to the Discord REST API directly with the bot token — no dependency on
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the gateway adapter's client. Only in the hermes-discord toolset, so it costs
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nothing on other platforms. The model-visible schema is filtered by two
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gates: (1) privileged intents from GET /applications/@me — actions needing an
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intent the bot lacks (search_members / member_info → GUILD_MEMBERS) are hidden,
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and fetch_messages/list_pins are annotated when MESSAGE_CONTENT is missing;
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(2) the ``discord.server_actions`` config allowlist (comma string or YAML list;
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empty/unset = all). Per-guild permissions are NOT pre-checked — a call-time 403
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is mapped to actionable guidance by :func:`_enrich_403`.
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"""
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import hashlib
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import json
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import logging
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import threading
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import time
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import urllib.error
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import urllib.parse
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import urllib.request
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from pathlib import Path
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from typing import Any, Dict, List, Optional, Tuple
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from agent.secret_scope import get_secret
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from tools.registry import registry, tool_error
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logger = logging.getLogger(__name__)
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DISCORD_API_BASE = "https://discord.com/api/v10"
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_DISCORD_RESPONSE_BODY_MAX_BYTES = 4 * 1024 * 1024
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_DISCORD_ERROR_BODY_MAX_BYTES = 64 * 1024
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# Application flag bits (from GET /applications/@me → "flags").
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# Source: https://discord.com/developers/docs/resources/application#application-object-application-flags
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_FLAG_GATEWAY_GUILD_MEMBERS = 1 << 14
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_FLAG_GATEWAY_GUILD_MEMBERS_LIMITED = 1 << 15
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_FLAG_GATEWAY_MESSAGE_CONTENT = 1 << 18
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_FLAG_GATEWAY_MESSAGE_CONTENT_LIMITED = 1 << 19
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class DiscordAPIError(Exception):
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"""Raised when a Discord API call fails."""
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def __init__(self, status: int, body: str):
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self.status = status
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self.body = body
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super().__init__(f"Discord API error {status}: {body}")
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def _read_limited_response_body(source: Any, limit: int, *, label: str) -> bytes:
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body = source.read(limit + 1)
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if len(body) > limit:
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raise DiscordAPIError(502, f"Discord API {label} exceeded {limit} bytes.")
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return body
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def _get_bot_token() -> Optional[str]:
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"""Resolve the Discord bot token under the active profile secret scope."""
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return (get_secret("DISCORD_BOT_TOKEN", "") or "").strip() or None
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def _discord_request(
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method: str,
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path: str,
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token: str,
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params: Optional[Dict[str, str]] = None,
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body: Optional[Dict[str, Any]] = None,
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timeout: int = 15,
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) -> Any:
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"""Make a request to the Discord REST API."""
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url = f"{DISCORD_API_BASE}{path}"
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if params:
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url += "?" + urllib.parse.urlencode(params)
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req = urllib.request.Request(
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url,
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data=None if body is None else json.dumps(body).encode("utf-8"),
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method=method,
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headers={
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"Authorization": f"Bot {token}",
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"Content-Type": "application/json",
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"User-Agent": "Hermes-Agent (https://github.com/NousResearch/hermes-agent)",
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},
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)
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try:
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with urllib.request.urlopen(req, timeout=timeout) as resp:
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if resp.status == 204:
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return None
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response_body = _read_limited_response_body(
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resp,
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_DISCORD_RESPONSE_BODY_MAX_BYTES,
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label="response body",
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)
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return json.loads(response_body.decode("utf-8"))
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except urllib.error.HTTPError as e:
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error_body = ""
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try:
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error_body = _read_limited_response_body(
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e, _DISCORD_ERROR_BODY_MAX_BYTES, label="error body"
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).decode("utf-8", errors="replace")
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except DiscordAPIError as too_large:
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error_body = too_large.body
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except Exception:
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pass
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raise DiscordAPIError(e.code, error_body) from e
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_CHANNEL_TYPE_NAMES = {
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0: "text",
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2: "voice",
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4: "category",
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5: "announcement",
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10: "announcement_thread",
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11: "public_thread",
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12: "private_thread",
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13: "stage",
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15: "forum",
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16: "media",
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}
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def _channel_type_name(type_id: int) -> str:
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return _CHANNEL_TYPE_NAMES.get(type_id, f"unknown({type_id})")
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# ── capability detection (application intents) ──────────────────────────────
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# Per-token in-process cache: the app/me endpoint is hit at most once per process.
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_capability_cache: Dict[str, Dict[str, Any]] = {}
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# Privileged intents change only when the user flips them in the Developer
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# Portal, so 24h disk staleness is harmless: a hidden action re-appears on the
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# next refresh; an exposed action the bot lost fails at call time with an
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# enriched 403.
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_CAPABILITY_DISK_TTL_SECONDS = 24 * 3600
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# One background detection per (process, token) at most.
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_capability_bg_started: set = set()
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_capability_bg_lock = threading.Lock()
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# Permissive default (``detected`` False = detection failed/pending): all actions
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# exposed, call-time 403s mapped to guidance by ``_enrich_403``.
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_PERMISSIVE_CAPS = {"has_members_intent": True, "has_message_content": True, "detected": False}
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def _capability_disk_cache_path() -> Path:
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from hermes_constants import get_hermes_home
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return get_hermes_home() / "cache" / "discord_capabilities.json"
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def _token_cache_key(token: str) -> str:
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"""Stable non-reversible cache key for a bot token."""
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return hashlib.sha256(token.encode("utf-8")).hexdigest()[:16]
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def _load_caps_from_disk(token: str) -> Optional[Dict[str, Any]]:
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"""Return fresh disk-cached capabilities for *token*, or None."""
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try:
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path = _capability_disk_cache_path()
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with path.open("r", encoding="utf-8") as f:
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data = json.load(f)
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entry = data.get(_token_cache_key(token))
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if not isinstance(entry, dict):
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return None
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if time.time() - float(entry.get("ts", 0)) > _CAPABILITY_DISK_TTL_SECONDS:
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return None
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caps = entry.get("caps")
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if isinstance(caps, dict) and "has_members_intent" in caps:
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return caps
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except Exception:
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pass
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return None
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def _save_caps_to_disk(token: str, caps: Dict[str, Any]) -> None:
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try:
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path = _capability_disk_cache_path()
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path.parent.mkdir(parents=True, exist_ok=True)
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try:
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with path.open("r", encoding="utf-8") as f:
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data = json.load(f)
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if not isinstance(data, dict):
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data = {}
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except Exception:
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data = {}
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data[_token_cache_key(token)] = {"caps": caps, "ts": time.time()}
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tmp = path.with_suffix(".json.tmp")
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with tmp.open("w", encoding="utf-8") as f:
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json.dump(data, f)
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tmp.replace(path)
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except Exception:
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logger.debug("discord capability disk-cache write failed", exc_info=True)
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def _detect_capabilities_nonblocking(token: str) -> Dict[str, Any]:
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"""Non-blocking capability lookup for schema builds.
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Order: in-process cache → fresh disk cache → permissive default plus a
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fire-and-forget background detection that fills the disk cache for the
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NEXT process. The blocking HTTPS call (~2-5s) used to sit on the first-token
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critical path of every cold process with DISCORD_BOT_TOKEN set.
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"""
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cached = _capability_cache.get(token)
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if cached is not None:
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return cached
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disk = _load_caps_from_disk(token)
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if disk is not None:
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_capability_cache[token] = disk
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return disk
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# Cold start — pin the permissive default for THIS process: schemas must not
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# change between agent inits within a live process or the per-conversation
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# prompt cache breaks.
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caps_default = dict(_PERMISSIVE_CAPS)
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_capability_cache[token] = caps_default
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with _capability_bg_lock:
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if token not in _capability_bg_started:
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_capability_bg_started.add(token)
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def _bg_detect() -> None:
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try:
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caps = _fetch_capabilities(token)
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if caps.get("detected"):
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_save_caps_to_disk(token, caps)
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except Exception:
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logger.debug("background discord capability detection failed", exc_info=True)
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threading.Thread(
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target=_bg_detect, name="discord-caps-detect", daemon=True
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).start()
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return caps_default
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def _fetch_capabilities(token: str) -> Dict[str, Any]:
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"""Fetch capabilities from GET /applications/@me. Pure network fetch — never
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touches the in-process cache (background detection must not mutate schemas
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mid-process). Detection failure is permissive."""
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caps: Dict[str, Any] = dict(_PERMISSIVE_CAPS)
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try:
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app = _discord_request("GET", "/applications/@me", token, timeout=5)
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flags = int(app.get("flags", 0) or 0)
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caps["has_members_intent"] = bool(
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flags & (_FLAG_GATEWAY_GUILD_MEMBERS | _FLAG_GATEWAY_GUILD_MEMBERS_LIMITED)
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)
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caps["has_message_content"] = bool(
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flags & (_FLAG_GATEWAY_MESSAGE_CONTENT | _FLAG_GATEWAY_MESSAGE_CONTENT_LIMITED)
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)
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caps["detected"] = True
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except Exception as exc: # nosec — detection is best-effort
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logger.info(
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"Discord capability detection failed (%s); exposing all actions.", exc,
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)
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return caps
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def _detect_capabilities(token: str, *, force: bool = False) -> Dict[str, Any]:
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"""Blocking detection via GET /applications/@me, cached per token (the
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warm-up path; schema builds use the non-blocking variant). ``force`` re-fetches."""
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if token in _capability_cache and not force:
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return _capability_cache[token]
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caps = _fetch_capabilities(token)
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_capability_cache[token] = caps
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return caps
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def _reset_capability_cache() -> None:
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"""Test hook: clear the detection cache."""
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global _capability_cache, _capability_bg_started
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_capability_cache = {}
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with _capability_bg_lock:
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_capability_bg_started = set()
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# ── action implementations ───────────────────────────────────────────────────
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def _listing(key: str, items: List[Dict[str, Any]]) -> str:
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return json.dumps({key: items, "count": len(items)})
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def _ok(message: str) -> str:
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return json.dumps({"success": True, "message": message})
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def _member_summary(m: Dict[str, Any], *, full: bool) -> Dict[str, Any]:
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"""Member row; ``full`` adds the avatar/join fields member_info exposes
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(key order is part of the result text, so the two shapes stay explicit)."""
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user = m.get("user", {})
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base = {
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"user_id": user.get("id"),
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"username": user.get("username"),
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"display_name": user.get("global_name"),
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"nickname": m.get("nick"),
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}
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tail = {"bot": user.get("bot", False), "roles": m.get("roles", [])}
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if not full:
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return {**base, **tail}
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return {
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**base,
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"avatar": user.get("avatar"),
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**tail,
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"joined_at": m.get("joined_at"),
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"premium_since": m.get("premium_since"),
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}
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def _message_summary(msg: Dict[str, Any]) -> Dict[str, Any]:
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author = msg.get("author", {})
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return {
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"id": msg["id"],
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"content": msg.get("content", ""),
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"author": {
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"id": author.get("id"),
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"username": author.get("username"),
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"display_name": author.get("global_name"),
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"bot": author.get("bot", False),
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},
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"timestamp": msg.get("timestamp"),
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"edited_timestamp": msg.get("edited_timestamp"),
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"attachments": [
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{"filename": a.get("filename"), "url": a.get("url"), "size": a.get("size")}
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for a in msg.get("attachments", [])
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],
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"reactions": [
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{"emoji": r.get("emoji", {}).get("name"), "count": r.get("count", 0)}
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for r in msg.get("reactions", [])
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] if msg.get("reactions") else [],
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"pinned": msg.get("pinned", False),
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}
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def _int_or(value: Any, default: int) -> int:
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try:
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return int(value)
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except (TypeError, ValueError):
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return default
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def _limit_param(limit: Any, default: int) -> str:
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"""Discord caps list endpoints at 100 per page."""
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return str(min(_int_or(limit, default), 100))
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def _list_guilds(token: str, **_kwargs: Any) -> str:
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"""List all guilds the bot is a member of."""
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guilds = _discord_request("GET", "/users/@me/guilds", token)
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return _listing("guilds", [
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{
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"id": g["id"],
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"name": g["name"],
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"icon": g.get("icon"),
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"owner": g.get("owner", False),
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"permissions": g.get("permissions"),
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}
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for g in guilds
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])
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def _server_info(token: str, guild_id: str, **_kwargs: Any) -> str:
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"""Get detailed information about a guild."""
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g = _discord_request("GET", f"/guilds/{guild_id}", token, params={"with_counts": "true"})
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return json.dumps({
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"id": g["id"],
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"name": g["name"],
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"description": g.get("description"),
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"icon": g.get("icon"),
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"owner_id": g.get("owner_id"),
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"member_count": g.get("approximate_member_count"),
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"online_count": g.get("approximate_presence_count"),
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"features": g.get("features", []),
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"premium_tier": g.get("premium_tier"),
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"premium_subscription_count": g.get("premium_subscription_count"),
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"verification_level": g.get("verification_level"),
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})
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def _list_channels(token: str, guild_id: str, **_kwargs: Any) -> str:
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"""List all channels in a guild, organized by category."""
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channels = _discord_request("GET", f"/guilds/{guild_id}/channels", token)
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categories: Dict[Optional[str], Dict[str, Any]] = {
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ch["id"]: {"id": ch["id"], "name": ch["name"], "position": ch.get("position", 0), "channels": []}
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for ch in channels
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if ch["type"] == 4 # category
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}
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uncategorized: List[Dict[str, Any]] = []
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for ch in channels:
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if ch["type"] == 4:
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continue
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entry = {
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"id": ch["id"],
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"name": ch.get("name", ""),
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"type": _channel_type_name(ch["type"]),
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"position": ch.get("position", 0),
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"topic": ch.get("topic"),
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"nsfw": ch.get("nsfw", False),
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}
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parent = ch.get("parent_id")
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if parent and parent in categories:
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categories[parent]["channels"].append(entry)
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else:
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uncategorized.append(entry)
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sorted_cats = sorted(categories.values(), key=lambda c: c["position"])
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for cat in sorted_cats:
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cat["channels"].sort(key=lambda c: c["position"])
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uncategorized.sort(key=lambda c: c["position"])
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result: List[Dict[str, Any]] = []
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if uncategorized:
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result.append({"category": None, "channels": uncategorized})
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result.extend(
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{"category": {"id": cat["id"], "name": cat["name"]}, "channels": cat["channels"]}
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for cat in sorted_cats
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)
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total = sum(len(group["channels"]) for group in result)
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return json.dumps({"channel_groups": result, "total_channels": total})
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def _channel_info(token: str, channel_id: str, **_kwargs: Any) -> str:
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"""Get detailed info about a specific channel."""
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ch = _discord_request("GET", f"/channels/{channel_id}", token)
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return json.dumps({
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"id": ch["id"],
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"name": ch.get("name"),
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"type": _channel_type_name(ch["type"]),
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"guild_id": ch.get("guild_id"),
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"topic": ch.get("topic"),
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"nsfw": ch.get("nsfw", False),
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"position": ch.get("position"),
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"parent_id": ch.get("parent_id"),
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"rate_limit_per_user": ch.get("rate_limit_per_user", 0),
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"last_message_id": ch.get("last_message_id"),
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})
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def _list_roles(token: str, guild_id: str, **_kwargs: Any) -> str:
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"""List all roles in a guild."""
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roles = _discord_request("GET", f"/guilds/{guild_id}/roles", token)
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return _listing("roles", [
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{
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"id": r["id"],
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"name": r["name"],
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"color": f"#{r.get('color', 0):06x}" if r.get("color") else None,
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"position": r.get("position", 0),
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"mentionable": r.get("mentionable", False),
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"managed": r.get("managed", False),
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"member_count": r.get("member_count"),
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"hoist": r.get("hoist", False),
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}
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for r in sorted(roles, key=lambda r: r.get("position", 0), reverse=True)
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])
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def _member_info(token: str, guild_id: str, user_id: str, **_kwargs: Any) -> str:
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"""Get info about a specific guild member."""
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m = _discord_request("GET", f"/guilds/{guild_id}/members/{user_id}", token)
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return json.dumps(_member_summary(m, full=True))
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def _search_members(token: str, guild_id: str, query: str, limit: int = 20, **_kwargs: Any) -> str:
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"""Search for guild members by name prefix (requires the GUILD_MEMBERS intent)."""
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params = {"query": query, "limit": _limit_param(limit, 20)}
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members = _discord_request("GET", f"/guilds/{guild_id}/members/search", token, params=params)
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return _listing("members", [_member_summary(m, full=False) for m in members])
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def _fetch_messages(
|
|
token: str, channel_id: str, limit: int = 50,
|
|
before: Optional[str] = None, after: Optional[str] = None,
|
|
**_kwargs: Any,
|
|
) -> str:
|
|
"""Recent messages from a channel or thread; ``before``/``after`` are
|
|
message snowflakes for reverse/forward pagination."""
|
|
params: Dict[str, str] = {"limit": _limit_param(limit, 50)}
|
|
if before:
|
|
params["before"] = before
|
|
if after:
|
|
params["after"] = after
|
|
messages = _discord_request("GET", f"/channels/{channel_id}/messages", token, params=params)
|
|
return _listing("messages", [_message_summary(msg) for msg in messages])
|
|
|
|
|
|
def _list_pins(token: str, channel_id: str, **_kwargs: Any) -> str:
|
|
"""List pinned messages in a channel (content truncated for overview)."""
|
|
messages = _discord_request("GET", f"/channels/{channel_id}/pins", token)
|
|
return _listing("pinned_messages", [
|
|
{
|
|
"id": msg["id"],
|
|
"content": msg.get("content", "")[:200],
|
|
"author": msg.get("author", {}).get("username"),
|
|
"timestamp": msg.get("timestamp"),
|
|
}
|
|
for msg in messages
|
|
])
|
|
|
|
|
|
def _pin_message(token: str, channel_id: str, message_id: str, **_kwargs: Any) -> str:
|
|
_discord_request("PUT", f"/channels/{channel_id}/pins/{message_id}", token)
|
|
return _ok(f"Message {message_id} pinned.")
|
|
|
|
|
|
def _unpin_message(token: str, channel_id: str, message_id: str, **_kwargs: Any) -> str:
|
|
_discord_request("DELETE", f"/channels/{channel_id}/pins/{message_id}", token)
|
|
return _ok(f"Message {message_id} unpinned.")
|
|
|
|
|
|
def _delete_message(token: str, channel_id: str, message_id: str, **_kwargs: Any) -> str:
|
|
_discord_request("DELETE", f"/channels/{channel_id}/messages/{message_id}", token)
|
|
return _ok(f"Message {message_id} deleted.")
|
|
|
|
|
|
def _create_thread(
|
|
token: str, channel_id: str, name: str,
|
|
message_id: Optional[str] = None,
|
|
auto_archive_duration: int = 1440,
|
|
**_kwargs: Any,
|
|
) -> str:
|
|
"""Create a thread — anchored to ``message_id`` when given, else standalone public."""
|
|
body: Dict[str, Any] = {"name": name, "auto_archive_duration": auto_archive_duration}
|
|
if message_id:
|
|
path = f"/channels/{channel_id}/messages/{message_id}/threads"
|
|
else:
|
|
path = f"/channels/{channel_id}/threads"
|
|
body["type"] = 11 # PUBLIC_THREAD
|
|
thread = _discord_request("POST", path, token, body=body)
|
|
return json.dumps({"success": True, "thread_id": thread["id"], "name": thread.get("name")})
|
|
|
|
|
|
def _add_role(token: str, guild_id: str, user_id: str, role_id: str, **_kwargs: Any) -> str:
|
|
_discord_request("PUT", f"/guilds/{guild_id}/members/{user_id}/roles/{role_id}", token)
|
|
return _ok(f"Role {role_id} added to user {user_id}.")
|
|
|
|
|
|
def _remove_role(token: str, guild_id: str, user_id: str, role_id: str, **_kwargs: Any) -> str:
|
|
_discord_request("DELETE", f"/guilds/{guild_id}/members/{user_id}/roles/{role_id}", token)
|
|
return _ok(f"Role {role_id} removed from user {user_id}.")
|
|
|
|
|
|
# ── action dispatch + metadata ───────────────────────────────────────────────
|
|
|
|
_ACTIONS = {
|
|
"list_guilds": _list_guilds,
|
|
"server_info": _server_info,
|
|
"list_channels": _list_channels,
|
|
"channel_info": _channel_info,
|
|
"list_roles": _list_roles,
|
|
"member_info": _member_info,
|
|
"search_members": _search_members,
|
|
"fetch_messages": _fetch_messages,
|
|
"list_pins": _list_pins,
|
|
"pin_message": _pin_message,
|
|
"unpin_message": _unpin_message,
|
|
"delete_message": _delete_message,
|
|
"create_thread": _create_thread,
|
|
"add_role": _add_role,
|
|
"remove_role": _remove_role,
|
|
}
|
|
|
|
# Two tools share one action table: ``discord`` (core, the participation trio
|
|
# every bot user wants) and ``discord_admin`` (everything else).
|
|
_CORE_ACTION_NAMES = frozenset({"fetch_messages", "search_members", "create_thread"})
|
|
_CORE_ACTIONS = {k: v for k, v in _ACTIONS.items() if k in _CORE_ACTION_NAMES}
|
|
_ADMIN_ACTIONS = {k: v for k, v in _ACTIONS.items() if k not in _CORE_ACTION_NAMES}
|
|
|
|
# Single source of truth: action → (required-param signature, description).
|
|
# Drives the schema description AND runtime required-param validation.
|
|
_ACTION_MANIFEST: List[Tuple[str, str, str]] = [
|
|
("list_guilds", "()", "list servers the bot is in"),
|
|
("server_info", "(guild_id)", "server details + member counts"),
|
|
("list_channels", "(guild_id)", "all channels grouped by category"),
|
|
("channel_info", "(channel_id)", "single channel details"),
|
|
("list_roles", "(guild_id)", "roles sorted by position"),
|
|
("member_info", "(guild_id, user_id)", "lookup a specific member"),
|
|
("search_members", "(guild_id, query)", "find members by name prefix"),
|
|
("fetch_messages", "(channel_id)", "recent messages; optional before/after snowflakes"),
|
|
("list_pins", "(channel_id)", "pinned messages in a channel"),
|
|
("pin_message", "(channel_id, message_id)", "pin a message"),
|
|
("unpin_message", "(channel_id, message_id)", "unpin a message"),
|
|
("delete_message", "(channel_id, message_id)", "delete a message"),
|
|
("create_thread", "(channel_id, name)", "create a public thread; optional message_id anchor"),
|
|
("add_role", "(guild_id, user_id, role_id)", "assign a role"),
|
|
("remove_role", "(guild_id, user_id, role_id)", "remove a role"),
|
|
]
|
|
|
|
# Actions that require the GUILD_MEMBERS privileged intent.
|
|
_INTENT_GATED_MEMBERS = frozenset({"member_info", "search_members"})
|
|
|
|
# Per-action required params for runtime validation, parsed from the manifest.
|
|
_REQUIRED_PARAMS: Dict[str, List[str]] = {
|
|
name: [p.strip() for p in sig.strip("()").split(",") if p.strip()]
|
|
for name, sig, _desc in _ACTION_MANIFEST
|
|
}
|
|
|
|
|
|
def _load_allowed_actions_config() -> Optional[List[str]]:
|
|
"""``discord.server_actions`` allowlist (comma string or YAML list), or
|
|
``None`` when unrestricted. Unknown names are dropped with a warning."""
|
|
try:
|
|
from hermes_cli.config import load_config
|
|
cfg = load_config()
|
|
except Exception as exc:
|
|
logger.debug("discord: could not load config (%s); allowing all actions.", exc)
|
|
return None
|
|
|
|
raw = (cfg.get("discord") or {}).get("server_actions")
|
|
if raw is None or raw == "":
|
|
return None
|
|
if isinstance(raw, str):
|
|
raw = raw.split(",")
|
|
elif not isinstance(raw, (list, tuple)):
|
|
logger.warning(
|
|
"discord.server_actions: unexpected type %s; ignoring.", type(raw).__name__,
|
|
)
|
|
return None
|
|
names = [str(n).strip() for n in raw if str(n).strip()]
|
|
invalid = [n for n in names if n not in _ACTIONS]
|
|
if invalid:
|
|
logger.warning(
|
|
"discord.server_actions: unknown action(s) ignored: %s. "
|
|
"Known: %s",
|
|
", ".join(invalid), ", ".join(_ACTIONS.keys()),
|
|
)
|
|
return [n for n in names if n in _ACTIONS]
|
|
|
|
|
|
def _available_actions(
|
|
caps: Dict[str, Any],
|
|
allowlist: Optional[List[str]],
|
|
) -> List[str]:
|
|
"""Visible actions from intents + config allowlist, in :data:`_ACTIONS` order."""
|
|
members_ok = caps.get("has_members_intent", True)
|
|
return [
|
|
name
|
|
for name in _ACTIONS
|
|
if (members_ok or name not in _INTENT_GATED_MEMBERS)
|
|
and (allowlist is None or name in allowlist)
|
|
]
|
|
|
|
|
|
# ── schema construction ──────────────────────────────────────────────────────
|
|
|
|
_TOOL_DESCRIPTIONS = {
|
|
"discord_admin": (
|
|
"Manage a Discord server via the REST API.",
|
|
"Call list_guilds first to discover guild_ids, then list_channels for "
|
|
"channel_ids. Runtime errors will tell you if the bot lacks a specific "
|
|
"per-guild permission (e.g. MANAGE_ROLES for add_role).",
|
|
),
|
|
"discord": (
|
|
"Read and participate in a Discord server.",
|
|
"Use the channel_id from the current conversation context. "
|
|
"Use search_members to look up user IDs by name prefix.",
|
|
),
|
|
}
|
|
|
|
_SCHEMA_PROPERTIES: Dict[str, Any] = {
|
|
"guild_id": {"type": "string", "description": "Discord server (guild) ID."},
|
|
"channel_id": {"type": "string", "description": "Discord channel ID."},
|
|
"user_id": {"type": "string", "description": "Discord user ID."},
|
|
"role_id": {"type": "string", "description": "Discord role ID."},
|
|
"message_id": {"type": "string", "description": "Discord message ID."},
|
|
"query": {"type": "string", "description": "Member name prefix to search for (search_members)."},
|
|
"name": {"type": "string", "description": "New thread name (create_thread)."},
|
|
"limit": {
|
|
"type": "integer",
|
|
"minimum": 1,
|
|
"maximum": 100,
|
|
"description": "Max results (default 50). Applies to fetch_messages, search_members.",
|
|
},
|
|
"before": {"type": "string", "description": "Snowflake ID for reverse pagination (fetch_messages)."},
|
|
"after": {"type": "string", "description": "Snowflake ID for forward pagination (fetch_messages)."},
|
|
"auto_archive_duration": {
|
|
"type": "integer",
|
|
"enum": [60, 1440, 4320, 10080],
|
|
"description": "Thread archive duration in minutes (create_thread, default 1440).",
|
|
},
|
|
}
|
|
|
|
|
|
def _build_schema(
|
|
actions: List[str],
|
|
caps: Optional[Dict[str, Any]] = None,
|
|
tool_name: str = "discord",
|
|
) -> Optional[Dict[str, Any]]:
|
|
"""Tool schema for the filtered action list; ``None`` when empty (drop the tool)."""
|
|
caps = caps or {}
|
|
if not actions:
|
|
return None
|
|
|
|
manifest_block = "\n".join(
|
|
f" {name}{sig} — {desc}" for name, sig, desc in _ACTION_MANIFEST if name in actions
|
|
)
|
|
|
|
content_note = ""
|
|
affected_actions = {"fetch_messages", "list_pins"} & set(actions)
|
|
if affected_actions and caps.get("detected") and caps.get("has_message_content") is False:
|
|
names = " and ".join(sorted(affected_actions))
|
|
content_note = (
|
|
f"\n\nNOTE: Bot does NOT have the MESSAGE_CONTENT privileged intent. "
|
|
f"{names} will return message metadata (author, "
|
|
"timestamps, attachments, reactions, pin state) but `content` will be "
|
|
"empty for messages not sent as a direct mention to the bot or in DMs. "
|
|
"Enable the intent in the Discord Developer Portal to see all content."
|
|
)
|
|
|
|
lead, guidance = _TOOL_DESCRIPTIONS["discord_admin" if tool_name == "discord_admin" else "discord"]
|
|
description = f"{lead}\n\nAvailable actions:\n{manifest_block}\n\n{guidance}{content_note}"
|
|
properties: Dict[str, Any] = {"action": {"type": "string", "enum": actions}, **_SCHEMA_PROPERTIES}
|
|
return {
|
|
"name": tool_name,
|
|
"description": description,
|
|
"parameters": {"type": "object", "properties": properties, "required": ["action"]},
|
|
}
|
|
|
|
|
|
def _get_dynamic_schema(
|
|
action_subset: Dict[str, Any],
|
|
tool_name: str,
|
|
) -> Optional[Dict[str, Any]]:
|
|
"""Build a dynamic schema for *action_subset* filtered by intents + config."""
|
|
token = _get_bot_token()
|
|
if not token:
|
|
return None
|
|
caps = _detect_capabilities_nonblocking(token)
|
|
allowlist = _load_allowed_actions_config()
|
|
actions = [a for a in _available_actions(caps, allowlist) if a in action_subset]
|
|
if not actions:
|
|
return None
|
|
return _build_schema(actions, caps, tool_name=tool_name)
|
|
|
|
|
|
def get_dynamic_schema_core() -> Optional[Dict[str, Any]]:
|
|
return _get_dynamic_schema(_CORE_ACTIONS, "discord")
|
|
|
|
|
|
def get_dynamic_schema_admin() -> Optional[Dict[str, Any]]:
|
|
return _get_dynamic_schema(_ADMIN_ACTIONS, "discord_admin")
|
|
|
|
|
|
# ── 403 error enrichment ─────────────────────────────────────────────────────
|
|
|
|
_NO_MANAGE_MESSAGES = "Bot lacks MANAGE_MESSAGES permission in this channel"
|
|
_VIEW_HISTORY = "Bot cannot view this channel (missing VIEW_CHANNEL or READ_MESSAGE_HISTORY)."
|
|
_ROLE_HIERARCHY = (
|
|
"Either the bot lacks MANAGE_ROLES, or the target role sits higher "
|
|
"than the bot's highest role."
|
|
)
|
|
|
|
# Per-action guidance for a call-time 403 (per-guild permissions are never pre-checked).
|
|
_ACTION_403_HINT = {
|
|
"pin_message": (
|
|
f"{_NO_MANAGE_MESSAGES}. "
|
|
"Ask the server admin to grant the bot a role that has MANAGE_MESSAGES, "
|
|
"or a per-channel overwrite."
|
|
),
|
|
"unpin_message": f"{_NO_MANAGE_MESSAGES}.",
|
|
"delete_message": f"{_NO_MANAGE_MESSAGES}, or cannot view the channel/message.",
|
|
"create_thread": "Bot lacks CREATE_PUBLIC_THREADS in this channel, or cannot view it.",
|
|
"add_role": (
|
|
f"{_ROLE_HIERARCHY} Roles can only be assigned below the "
|
|
"bot's own position in the role hierarchy."
|
|
),
|
|
"remove_role": _ROLE_HIERARCHY,
|
|
"fetch_messages": _VIEW_HISTORY,
|
|
"list_pins": _VIEW_HISTORY,
|
|
"channel_info": "Bot cannot view this channel (missing VIEW_CHANNEL).",
|
|
"search_members": (
|
|
"Likely missing the Server Members privileged intent — enable it in the "
|
|
"Discord Developer Portal under your bot's settings."
|
|
),
|
|
"member_info": (
|
|
"Bot cannot see this guild member (missing Server Members intent or "
|
|
"insufficient permissions)."
|
|
),
|
|
}
|
|
|
|
|
|
def _enrich_403(action: str, body: str) -> str:
|
|
"""Return a user-friendly guidance string for a 403 on ``action``."""
|
|
hint = _ACTION_403_HINT.get(action)
|
|
base = f"Discord API 403 (forbidden) on '{action}'."
|
|
return f"{base} {hint} (Raw: {body})" if hint else f"{base} (Raw: {body})"
|
|
|
|
|
|
def check_discord_tool_requirements() -> bool:
|
|
"""Tool is available only when a Discord bot token is configured."""
|
|
return bool(_get_bot_token())
|
|
|
|
|
|
# ── handlers ─────────────────────────────────────────────────────────────────
|
|
|
|
_HANDLER_DEFAULTS = {
|
|
"action": "", "guild_id": "", "channel_id": "", "user_id": "",
|
|
"role_id": "", "message_id": "", "query": "", "name": "",
|
|
"limit": 50, "before": "", "after": "", "auto_archive_duration": 1440,
|
|
}
|
|
|
|
|
|
def _run_discord_action(
|
|
action: str,
|
|
valid_actions: Dict[str, Any],
|
|
tool_label: str,
|
|
**params: Any,
|
|
) -> str:
|
|
"""Shared handler logic for both discord tools (``params`` default per
|
|
:data:`_HANDLER_DEFAULTS`)."""
|
|
token = _get_bot_token()
|
|
if not token:
|
|
return tool_error("DISCORD_BOT_TOKEN not configured.")
|
|
|
|
action_fn = valid_actions.get(action)
|
|
if not action_fn:
|
|
return tool_error(
|
|
f"Unknown action: {action}",
|
|
available_actions=list(valid_actions.keys()),
|
|
)
|
|
|
|
# Config-level allowlist gate (defense in depth): a stale cached schema from
|
|
# a prior config must not let denied actions through.
|
|
allowlist = _load_allowed_actions_config()
|
|
if allowlist is not None and action not in allowlist:
|
|
return tool_error(
|
|
f"Action '{action}' is disabled by config (discord.server_actions). "
|
|
f"Allowed: {', '.join(allowlist) if allowlist else '<none>'}"
|
|
)
|
|
|
|
kwargs = {k: params.get(k, v) for k, v in _HANDLER_DEFAULTS.items() if k != "action"}
|
|
missing = [p for p in _REQUIRED_PARAMS.get(action, []) if not kwargs.get(p)]
|
|
if missing:
|
|
return tool_error(
|
|
f"Missing required parameters for '{action}': {', '.join(missing)}"
|
|
)
|
|
|
|
try:
|
|
return action_fn(token=token, **kwargs)
|
|
except DiscordAPIError as e:
|
|
logger.warning("Discord API error in %s action '%s': %s", tool_label, action, e)
|
|
if e.status == 403:
|
|
return tool_error(_enrich_403(action, e.body))
|
|
return tool_error(str(e))
|
|
except Exception as e:
|
|
logger.exception("Unexpected error in %s action '%s'", tool_label, action)
|
|
return tool_error(f"Unexpected error: {e}")
|
|
|
|
|
|
def discord_core(action: str, **kwargs) -> str:
|
|
"""Execute a core Discord action (fetch_messages, search_members, create_thread)."""
|
|
return _run_discord_action(action, _CORE_ACTIONS, "discord", **kwargs)
|
|
|
|
|
|
def discord_admin_handler(action: str, **kwargs) -> str:
|
|
"""Execute a Discord admin action (server management)."""
|
|
return _run_discord_action(action, _ADMIN_ACTIONS, "discord_admin", **kwargs)
|
|
|
|
|
|
# ── tool registration ────────────────────────────────────────────────────────
|
|
|
|
|
|
def _make_handler(handler_fn):
|
|
"""Registry-compatible handler: fills every schema param from ``_HANDLER_DEFAULTS``."""
|
|
return lambda args, **kw: handler_fn(
|
|
**{k: args.get(k, v) for k, v in _HANDLER_DEFAULTS.items()},
|
|
)
|
|
|
|
|
|
# Static (un-detected) schemas at import; the intent/config-filtered ones come
|
|
# from get_dynamic_schema_core/admin via model_tools' dynamic schema overrides.
|
|
registry.register(
|
|
name="discord",
|
|
toolset="discord",
|
|
schema=_build_schema(list(_CORE_ACTIONS), caps={"detected": False}, tool_name="discord"),
|
|
handler=_make_handler(discord_core),
|
|
check_fn=check_discord_tool_requirements,
|
|
requires_env=["DISCORD_BOT_TOKEN"],
|
|
)
|
|
|
|
registry.register(
|
|
name="discord_admin",
|
|
toolset="discord_admin",
|
|
schema=_build_schema(list(_ADMIN_ACTIONS), caps={"detected": False}, tool_name="discord_admin"),
|
|
handler=_make_handler(discord_admin_handler),
|
|
check_fn=check_discord_tool_requirements,
|
|
requires_env=["DISCORD_BOT_TOKEN"],
|
|
)
|