Files
ds-chat/backend/app/routers/bots.py
T
ksmithandClaude Sonnet 5 0ab23c44a7 Phase 7: Bot/extension system
Bot accounts (User rows with is_bot=True), scoped API tokens (read:messages,
write:messages, manage:rooms) authenticated via Authorization: Bearer on both
REST and the WS handshake, live bot WebSocket access on the same /ws/chat
endpoint humans use, message editing (WS "edit" envelope -> message_update
broadcast, fans out cross-instance for free via the existing broadcaster),
incoming webhooks (room-scoped, no auth beyond the URL token), and outgoing
webhooks/event subscriptions (HMAC-SHA256 signed, backgrounded delivery,
creation-time SSRF validation against private/loopback/link-local targets).

Token auth is additive, not a parallel system: a bearer-token-authenticated
bot goes through the exact same room-membership/role checks a session-
authenticated human does everywhere; only read:messages/write:messages are
separately scope-gated (the two message endpoints). manage:rooms scope
enforcement, full per-delivery SSRF re-validation, and bot API rate limiting
were explicitly scoped out (confirmed with the repo owner) as disproportionate
to this phase -- documented as known gaps in backend/README.md rather than
silently skipped.

Admin portal gains a Bots tab (create bots, issue/revoke scoped tokens,
cross-room webhook visibility); RoomInfoPanel gains room-scoped webhook/
subscription management, mirroring how invites already work there. The chat
UI also gets a minimal "edit your own message" affordance -- not asked for
by the issue, but the only practical way to exercise the edit pipeline by
hand instead of only via a scripted bot client.

Along the way: fixed a real bug caught while writing the incoming-webhook
test -- offline-push notification relied on the sender being "connected" to
exclude themselves, true for WS-originated messages but not for the new
webhook path, which has no WS connection for the attributed sender at all.
Now explicitly excluded. Also discovered the REST-only test fixture never
triggered ASGI lifespan, so app.state.broadcaster/presence didn't exist for
it; moved their construction out of the lifespan into create_app() itself
(Redis client construction is synchronous/lazy) so both the WS and
REST-only paths always have them.

New tests/test_bots.py, test_message_edit.py, test_webhooks.py (full suite
now 78/78, stable across repeated runs) plus a scripted end-to-end smoke
test (bot WS join/post/edit, incoming webhook, SSRF rejection, outgoing
delivery) and a full browser walkthrough of the new admin/room UI.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-08-14 08:12:41 -06:00

92 lines
2.8 KiB
Python

import uuid
from fastapi import APIRouter, Depends, HTTPException
from sqlalchemy.ext.asyncio import AsyncSession
from app.database import get_db
from app.dependencies import get_current_user, require_site_admin
from app.models import User
from app.schemas.bot import ApiTokenCreate, ApiTokenCreated, ApiTokenRead, BotCreate, BotRead
from app.services.bot_service import (
BotNotFoundError,
DuplicateBotError,
InvalidScopeError,
TokenNotFoundError,
create_api_token,
create_bot,
list_api_tokens,
list_bots,
revoke_api_token,
)
router = APIRouter(prefix="/api/admin/bots", tags=["bots"])
@router.post("", response_model=BotRead, status_code=201)
async def create_bot_endpoint(
data: BotCreate,
current_user: User = Depends(get_current_user),
db: AsyncSession = Depends(get_db),
):
require_site_admin(current_user)
try:
return await create_bot(db, current_user, data.username)
except DuplicateBotError:
raise HTTPException(status_code=409, detail="A user with this username already exists")
@router.get("", response_model=list[BotRead])
async def list_bots_endpoint(
current_user: User = Depends(get_current_user),
db: AsyncSession = Depends(get_db),
):
require_site_admin(current_user)
return await list_bots(db)
@router.post("/{bot_id}/tokens", response_model=ApiTokenCreated, status_code=201)
async def create_token_endpoint(
bot_id: uuid.UUID,
data: ApiTokenCreate,
current_user: User = Depends(get_current_user),
db: AsyncSession = Depends(get_db),
):
require_site_admin(current_user)
try:
token, plaintext = await create_api_token(db, current_user, bot_id, data.scopes)
except BotNotFoundError:
raise HTTPException(status_code=404, detail="Bot not found")
except InvalidScopeError:
raise HTTPException(status_code=400, detail="Unrecognized scope")
return ApiTokenCreated(
id=token.id,
owner_id=token.owner_id,
scopes=token.scopes,
last_used_at=token.last_used_at,
created_at=token.created_at,
token=plaintext,
)
@router.get("/{bot_id}/tokens", response_model=list[ApiTokenRead])
async def list_tokens_endpoint(
bot_id: uuid.UUID,
current_user: User = Depends(get_current_user),
db: AsyncSession = Depends(get_db),
):
require_site_admin(current_user)
return await list_api_tokens(db, bot_id)
@router.delete("/tokens/{token_id}", status_code=204)
async def revoke_token_endpoint(
token_id: uuid.UUID,
current_user: User = Depends(get_current_user),
db: AsyncSession = Depends(get_db),
):
require_site_admin(current_user)
try:
await revoke_api_token(db, current_user, token_id)
except TokenNotFoundError:
raise HTTPException(status_code=404, detail="Token not found")