Johan LEROY
85cb7c9eeb
Corrige les 10 points de la revue du systeme de design : garde-fou de route explicite pour /docs, /redoc et /static, ton distinct pour les alertes critical vs high, flex-shrink sur le bon element du badge, mutualisation du bloc ev-card dans _auth-page.scss, bouton de deconnexion migre vers ev-button (nouvel input fullWidth), tokens manquants (--color-danger-hover, --color-warning-text, --color-text-inverse, --color-critical), test de synchronisation des deux copies du logo, openapi_avec_logo qui enveloppe application.openapi au lieu de le reimplementer, doc du frontend et index mis a jour, et suppression du CSS mort .form-error.
120 lines
4.4 KiB
Python
120 lines
4.4 KiB
Python
from collections.abc import AsyncIterator
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from contextlib import asynccontextmanager
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from pathlib import Path
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from fastapi import Depends, FastAPI
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from fastapi.middleware.cors import CORSMiddleware
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from fastapi.openapi.docs import get_redoc_html, get_swagger_ui_html
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from fastapi.staticfiles import StaticFiles
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from prometheus_fastapi_instrumentator import Instrumentator
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from starlette.requests import Request
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from starlette.responses import HTMLResponse
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from app.api.errors import register_error_handlers
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from app.api.middleware import SecurityHeadersMiddleware
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from app.api.openapi import DESCRIPTION, SUMMARY, TAGS
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from app.api.security import require_metrics_token
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from app.api.v1.router import api_router
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from app.core.config import Settings, get_settings
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from app.core.logging import configure_logging, get_logger
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from app.db.session import get_engine
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logger = get_logger(__name__)
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METHODES_AUTORISEES = ["GET", "POST", "PATCH", "PUT", "DELETE", "OPTIONS"]
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EN_TETES_AUTORISES = ["Authorization", "Content-Type"]
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STATIC_DIR = Path(__file__).parent / "static"
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LOGO_URL = "/static/logo-icon.png"
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@asynccontextmanager
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async def lifespan(_: FastAPI) -> AsyncIterator[None]:
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settings = get_settings()
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logger.info(
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"Démarrage de %s %s en environnement %s", settings.name, settings.version, settings.env
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)
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yield
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await get_engine().dispose()
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def create_app(settings: Settings | None = None) -> FastAPI:
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resolved = settings or get_settings()
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configure_logging(resolved)
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documentee = resolved.api_docs_are_exposed
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application = FastAPI(
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title=resolved.name,
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version=resolved.version,
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summary=SUMMARY,
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description=DESCRIPTION,
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openapi_tags=TAGS,
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debug=resolved.debug,
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lifespan=lifespan,
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docs_url=None,
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redoc_url=None,
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openapi_url="/openapi.json" if documentee else None,
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)
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if documentee:
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application.mount("/static", StaticFiles(directory=STATIC_DIR), name="static")
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# ReDoc supporte nativement `info.x-logo` (extension Redocly) pour afficher un logo
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# en en-tête ; Swagger UI n'a pas d'equivalent, il ne reprend que le favicon.
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openapi_original = application.openapi
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def openapi_avec_logo() -> dict[str, object]:
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schema = openapi_original()
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schema["info"]["x-logo"] = {"url": LOGO_URL, "altText": "EnerVision"}
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return schema
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application.openapi = openapi_avec_logo # type: ignore[method-assign]
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@application.get("/docs", include_in_schema=False)
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async def docs_swagger(_: Request) -> HTMLResponse:
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return get_swagger_ui_html(
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openapi_url="/openapi.json",
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title=f"{application.title} · Swagger UI",
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swagger_favicon_url=LOGO_URL,
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)
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@application.get("/redoc", include_in_schema=False)
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async def docs_redoc(_: Request) -> HTMLResponse:
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return get_redoc_html(
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openapi_url="/openapi.json",
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title=f"{application.title} · ReDoc",
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redoc_favicon_url=LOGO_URL,
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)
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application.add_middleware(SecurityHeadersMiddleware)
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if resolved.allowed_origins:
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# Méthodes et en-têtes listés plutôt que joker : avec `allow_credentials`, la liste
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# d'origines devient l'unique contrôle, autant documenter le contrat exact.
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application.add_middleware(
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CORSMiddleware,
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allow_origins=resolved.allowed_origins,
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allow_credentials=True,
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allow_methods=METHODES_AUTORISEES,
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allow_headers=EN_TETES_AUTORISES,
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expose_headers=["Retry-After"],
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max_age=600,
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)
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register_error_handlers(application)
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Instrumentator().instrument(application).expose(
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application,
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endpoint="/metrics",
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include_in_schema=False,
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dependencies=[Depends(require_metrics_token)],
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)
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application.include_router(api_router, prefix=resolved.api_prefix)
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# Piège : sans cette surcharge, une configuration passée à `create_app()` ne piloterait
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# que la construction, et les dépendances continueraient de lire `get_settings()` depuis
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# l'environnement. Un test « en production » ne testerait alors pas la production.
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if settings is not None:
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application.dependency_overrides[get_settings] = lambda: resolved
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return application
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