97 lines
3.3 KiB
Python
97 lines
3.3 KiB
Python
import logging
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import os
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from contextlib import asynccontextmanager
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from pathlib import Path
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from fastapi import Cookie, FastAPI, HTTPException, Query, Request, Response
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from fastapi.responses import FileResponse, RedirectResponse
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from fastapi.staticfiles import StaticFiles
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from passkey.util import passphrase
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from . import admin, api, authz, ws
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STATIC_DIR = Path(__file__).parent.parent / "frontend-build"
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@asynccontextmanager
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async def lifespan(app: FastAPI): # pragma: no cover - startup path
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"""Application lifespan to ensure globals (DB, passkey) are initialized in each process.
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We populate configuration from environment variables (set by the CLI entrypoint)
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so that uvicorn reload / multiprocess workers inherit the settings.
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"""
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from .. import globals
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rp_id = os.getenv("PASSKEY_RP_ID", "localhost")
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rp_name = os.getenv("PASSKEY_RP_NAME") or None
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origin = os.getenv("PASSKEY_ORIGIN") or None
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default_admin = (
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os.getenv("PASSKEY_DEFAULT_ADMIN") or None
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) # still passed for context
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default_org = os.getenv("PASSKEY_DEFAULT_ORG") or None
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try:
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# CLI (__main__) performs bootstrap once; here we skip to avoid duplicate work
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await globals.init(
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rp_id=rp_id,
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rp_name=rp_name,
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origin=origin,
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default_admin=default_admin,
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default_org=default_org,
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bootstrap=False,
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)
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except ValueError as e:
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logging.error(f"⚠️ {e}")
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# Re-raise to fail fast
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raise
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yield
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# (Optional) add shutdown cleanup here later
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app = FastAPI(lifespan=lifespan)
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app.mount("/auth/admin", admin.app)
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app.mount("/auth/api", api.app)
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app.mount("/auth/ws", ws.app)
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app.mount("/auth/assets", StaticFiles(directory=STATIC_DIR / "assets"), name="assets")
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@app.get("/auth/")
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async def frontend():
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"""Serve the main authentication app."""
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return FileResponse(STATIC_DIR / "index.html")
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@app.get("/auth/{reset}")
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async def reset_authentication(request: Request, reset: str):
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"""Validate reset token and redirect with it as query parameter (no cookies).
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After validation we 303 redirect to /auth/?reset=<token>. The frontend will:
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- Read the token from location.search
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- Use it via Authorization header or websocket query param
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- history.replaceState to remove it from the address bar/history
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"""
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if not passphrase.is_well_formed(reset):
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raise HTTPException(status_code=404)
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return RedirectResponse(request.url_for("frontend", reset=reset), status_code=303)
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@app.get("/auth/forward-auth")
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async def forward_authentication(request: Request, perm=Query(None), auth=Cookie(None)):
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"""A validation endpoint to use with Caddy forward_auth or Nginx auth_request.
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Query Params:
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- perm: repeated permission IDs the authenticated user must possess (ALL required).
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Success: 204 No Content with x-auth-user-uuid header.
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Failure (unauthenticated / unauthorized): 4xx with index.html body so the
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client (reverse proxy or browser) can initiate auth flow.
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"""
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try:
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s = await authz.verify(auth, perm)
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return Response(
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status_code=204,
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headers={"x-auth-user-uuid": str(s.user_uuid)},
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)
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except HTTPException as e:
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return FileResponse(STATIC_DIR / "index.html", e.status_code)
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