malmert
c19fab4d32
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133 lines
3.9 KiB
Python
133 lines
3.9 KiB
Python
"""FastAPI application entrypoint and runtime wiring."""
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import asyncio
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import logging
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import os
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from fastapi import FastAPI
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from fastapi.middleware.cors import CORSMiddleware
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import src.api.network_api as network_api
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import src.api.sniffer_api as sniffer_api
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import src.shared_objects as shared_objects
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from src.api import nft_manager
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from src.api import packet_api
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from src.api import packet_scripting_api
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from src.config import settings
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from src.utilities.database import DatabasePool
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from src.utilities.packet_broadcaster import PacketBroadcaster
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logging.basicConfig(level=getattr(logging, settings.log_level.upper(), logging.DEBUG))
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shared_objects.db = DatabasePool(
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settings.db_dsn,
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min_size=settings.db_pool_min_size,
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max_size=settings.db_pool_max_size,
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)
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app = FastAPI(
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root_path="/api",
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title="MITM Webserver Backend",
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description="Backend API for MITM Webserver",
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version="1.0.0",
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docs_url="/docs",
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redoc_url="/redoc",
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openapi_url="/openapi.json",
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)
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app.add_middleware(
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CORSMiddleware,
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allow_origins=["*"],
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allow_credentials=True,
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allow_methods=["*"],
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allow_headers=["*"],
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)
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@app.on_event("startup")
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async def on_startup() -> None:
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"""Initialize shared runtime objects on the FastAPI event loop."""
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loop = asyncio.get_running_loop()
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shared_objects.web_loop = loop
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try:
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await shared_objects.db.init_pool()
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except Exception:
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logging.exception("Failed to initialize DB pool")
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raise
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try:
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shared_objects.broadcaster = PacketBroadcaster(loop, queue_maxsize=settings.broadcaster_queue_maxsize)
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shared_objects.db.broadcaster = shared_objects.broadcaster
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except Exception:
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logging.exception("Failed to create/attach broadcaster")
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try:
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from src import network_sniffer as sniffer
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try:
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sniffer.drain_buffer_to_shared_db()
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except Exception:
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logging.exception("Failed to drain sniffer buffer")
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except ImportError:
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logging.debug("Sniffer module not importable at startup; skipping buffer drain")
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@app.on_event("shutdown")
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async def shutdown_event() -> None:
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"""Stop network resources and release shared runtime objects."""
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try:
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network_api.shutdown_network_api()
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except Exception:
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logging.exception("Error shutting down network API")
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try:
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from src.utilities.bridge_telemetry import bridge_telemetry_manager
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bridge_telemetry_manager.stop()
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except Exception:
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logging.exception("Failed to stop bridge telemetry collector")
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try:
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from src.utilities.packet_tracker import packet_tracker
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packet_tracker.stop()
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except Exception:
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logging.exception("Failed to stop packet tracker")
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try:
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if shared_objects.broadcaster is not None:
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await shared_objects.broadcaster.close()
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except Exception:
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logging.exception("Failed to close packet broadcaster during shutdown")
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try:
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web_db = getattr(shared_objects, "db", None)
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if web_db is not None:
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await web_db.close_pool()
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except Exception:
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logging.exception("Failed to close DB pool during shutdown")
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shared_objects.db = None
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shared_objects.broadcaster = None
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shared_objects.web_loop = None
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@app.get("/hello")
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def hello() -> dict[str, str]:
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"""Simple health-check endpoint."""
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return {"message": "Hello from FastAPI 🎉"}
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@app.get("/versions")
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def versions() -> dict[str, str]:
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"""Return runtime Python version."""
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message = os.popen("python --version").read().strip()
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return {"message": message}
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app.include_router(network_api.router, prefix="/network", tags=["network"])
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app.include_router(sniffer_api.router, prefix="/sniffer", tags=["sniffer"])
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app.include_router(packet_api.router, prefix="/packets", tags=["packets"])
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app.include_router(nft_manager.router, tags=["firewall"])
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app.include_router(packet_scripting_api.router, prefix="/scripts", tags=["scripts"])
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