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"""
MeshBay Hub — FastAPI application factory.
Usage:
from meshbay_hub.app import create_app
from meshbay_hub.config import load_config
cfg = load_config()
app = create_app(cfg)
"""
import asyncio
from contextlib import asynccontextmanager
from pathlib import Path
from fastapi import FastAPI
from slowapi import _rate_limit_exceeded_handler
from slowapi.errors import RateLimitExceeded
from meshbay_hub import __version__
from meshbay_hub.auth import generate_hub_keypair, load_hub_keypair
from meshbay_hub.config import HubConfig
from meshbay_hub.db.engine import close_db, init_db
from meshbay_hub.api.hub import router as hub_router
from meshbay_hub.api.users import router as users_router, set_config as users_set_config
from meshbay_hub.api.deps import set_admin_usernames
from meshbay_hub.api.nodes import router as nodes_router
from meshbay_hub.api.groups import router as groups_router
from meshbay_hub.api.revocation import router as revocation_router
from meshbay_hub.api.moderation import router as moderation_router
from meshbay_hub.api.federation import router as federation_router
from meshbay_hub.csam import csam_router
from meshbay_hub.api.health import router as health_router
from meshbay_hub.api.relay import router as relay_router
from meshbay_hub.api.signaling import router as signaling_router
from meshbay_hub.api.webapp import router as webapp_router, STATIC_DIR
from meshbay_hub.api.middleware import limiter
def create_app(cfg: HubConfig | None = None) -> FastAPI:
from meshbay_hub.config import load_config
if cfg is None:
cfg = load_config()
@asynccontextmanager
async def lifespan(app: FastAPI):
# Startup
await init_db(cfg.db.url)
kp = cfg.identity.private_key_path
if not kp.exists():
generate_hub_keypair(kp)
load_hub_keypair(kp, cfg.identity.id)
users_set_config(cfg)
set_admin_usernames(cfg.identity.admin_usernames)
from meshbay_hub.csam import get_csam_checker
get_csam_checker().load()
from meshbay_hub.tasks.cleanup import cleanup_loop
from meshbay_hub.db.engine import get_session_factory
cleanup_task = asyncio.create_task(cleanup_loop(get_session_factory()))
yield
cleanup_task.cancel()
try:
await cleanup_task
except asyncio.CancelledError:
pass
# Shutdown
await close_db()
app = FastAPI(
title="MeshBay Hub",
version=__version__,
description="MeshBay identity authority and group registry",
lifespan=lifespan,
)
# Rate limiting
app.state.limiter = limiter
app.add_exception_handler(RateLimitExceeded, _rate_limit_exceeded_handler)
# Routers (webapp last — catches / before API routes)
app.include_router(hub_router)
app.include_router(users_router)
app.include_router(nodes_router)
app.include_router(groups_router)
app.include_router(revocation_router)
app.include_router(moderation_router)
app.include_router(federation_router)
app.include_router(csam_router)
app.include_router(health_router)
app.include_router(relay_router)
app.include_router(signaling_router)
app.include_router(webapp_router)
from starlette.staticfiles import StaticFiles
app.mount("/", StaticFiles(directory=STATIC_DIR), name="static")
return app
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