mirror of
https://github.com/blakeblackshear/frigate.git
synced 2024-12-29 00:06:19 +01:00
114 lines
4.1 KiB
Python
114 lines
4.1 KiB
Python
import logging
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from typing import Optional
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from fastapi import FastAPI, Request
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from fastapi.responses import JSONResponse
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from playhouse.sqliteq import SqliteQueueDatabase
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from slowapi import _rate_limit_exceeded_handler
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from slowapi.errors import RateLimitExceeded
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from slowapi.middleware import SlowAPIMiddleware
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from starlette_context import middleware, plugins
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from starlette_context.plugins import Plugin
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from frigate.api import app as main_app
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from frigate.api import auth, event, export, media, notification, preview, review
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from frigate.api.auth import get_jwt_secret, limiter
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from frigate.comms.event_metadata_updater import (
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EventMetadataPublisher,
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)
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from frigate.config import FrigateConfig
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from frigate.embeddings import EmbeddingsContext
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from frigate.events.external import ExternalEventProcessor
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from frigate.ptz.onvif import OnvifController
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from frigate.stats.emitter import StatsEmitter
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from frigate.storage import StorageMaintainer
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logger = logging.getLogger(__name__)
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def check_csrf(request: Request):
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if request.method in ["GET", "HEAD", "OPTIONS", "TRACE"]:
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pass
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if "origin" in request.headers and "x-csrf-token" not in request.headers:
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return JSONResponse(
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content={"success": False, "message": "Missing CSRF header"},
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status_code=401,
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)
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# Used to retrieve the remote-user header: https://starlette-context.readthedocs.io/en/latest/plugins.html#easy-mode
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class RemoteUserPlugin(Plugin):
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key = "Remote-User"
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def create_fastapi_app(
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frigate_config: FrigateConfig,
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database: SqliteQueueDatabase,
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embeddings: Optional[EmbeddingsContext],
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detected_frames_processor,
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storage_maintainer: StorageMaintainer,
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onvif: OnvifController,
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external_processor: ExternalEventProcessor,
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stats_emitter: StatsEmitter,
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event_metadata_updater: EventMetadataPublisher,
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):
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logger.info("Starting FastAPI app")
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app = FastAPI(
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debug=False,
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swagger_ui_parameters={"apisSorter": "alpha", "operationsSorter": "alpha"},
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)
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# update the request_address with the x-forwarded-for header from nginx
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# https://starlette-context.readthedocs.io/en/latest/plugins.html#forwarded-for
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app.add_middleware(
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middleware.ContextMiddleware,
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plugins=(plugins.ForwardedForPlugin(),),
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)
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# Middleware to connect to DB before and close connection after request
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# https://github.com/fastapi/full-stack-fastapi-template/issues/224#issuecomment-737423886
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# https://fastapi.tiangolo.com/tutorial/middleware/#before-and-after-the-response
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@app.middleware("http")
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async def frigate_middleware(request: Request, call_next):
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# Before request
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check_csrf(request)
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if database.is_closed():
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database.connect()
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response = await call_next(request)
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# After request https://stackoverflow.com/a/75487519
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if not database.is_closed():
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database.close()
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return response
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# Rate limiter (used for login endpoint)
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auth.rateLimiter.set_limit(frigate_config.auth.failed_login_rate_limit or "")
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app.state.limiter = limiter
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app.add_exception_handler(RateLimitExceeded, _rate_limit_exceeded_handler)
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app.add_middleware(SlowAPIMiddleware)
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# Routes
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# Order of include_router matters: https://fastapi.tiangolo.com/tutorial/path-params/#order-matters
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app.include_router(auth.router)
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app.include_router(review.router)
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app.include_router(main_app.router)
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app.include_router(preview.router)
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app.include_router(notification.router)
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app.include_router(export.router)
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app.include_router(event.router)
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app.include_router(media.router)
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# App Properties
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app.frigate_config = frigate_config
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app.embeddings = embeddings
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app.detected_frames_processor = detected_frames_processor
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app.storage_maintainer = storage_maintainer
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app.camera_error_image = None
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app.onvif = onvif
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app.stats_emitter = stats_emitter
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app.event_metadata_updater = event_metadata_updater
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app.external_processor = external_processor
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app.jwt_token = get_jwt_secret() if frigate_config.auth.enabled else None
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return app
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