139 lines
2.4 KiB
Python
139 lines
2.4 KiB
Python
from __future__ import annotations
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import asyncio
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import logging
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import sys
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from contextlib import asynccontextmanager
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from pathlib import Path
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from fastapi import (
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FastAPI,
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Request,
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)
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from fastapi.middleware.cors import (
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CORSMiddleware,
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)
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PROJECT_ROOT = Path(__file__).resolve().parents[1]
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if str(PROJECT_ROOT) not in sys.path:
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sys.path.insert(
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0,
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str(PROJECT_ROOT),
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)
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from app.routes import router
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from app.security import (
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validate_security_configuration,
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)
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from scripts.embedding_utils import embed_query
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logger = logging.getLogger(__name__)
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OPENWEBUI_ORIGIN = (
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"https://ui.tukekemt.xyz"
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)
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@asynccontextmanager
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async def lifespan(
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_: FastAPI,
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):
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validate_security_configuration()
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try:
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await asyncio.to_thread(
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embed_query,
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"warmup",
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)
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except Exception:
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logger.exception(
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"Predhriatie embedding modelu "
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"zlyhalo. API pokračuje bez "
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"úspešného warm-upu."
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)
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yield
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app = FastAPI(
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title="ZP Agent API",
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description=(
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"RAG API pre vyhľadávanie "
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"a získavanie informácií "
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"z repozitára záverečných prác "
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"ZP Wiki."
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),
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version="0.9.0",
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lifespan=lifespan,
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# Interaktívne Swagger/ReDoc rozhrania
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# nepotrebujeme vystavovať.
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# /openapi.json zostáva dostupné,
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# pretože ho používa OpenWebUI.
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docs_url=None,
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redoc_url=None,
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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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OPENWEBUI_ORIGIN,
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],
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allow_credentials=True,
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allow_methods=[
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"GET",
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"POST",
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"OPTIONS",
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],
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allow_headers=[
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"Authorization",
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"Content-Type",
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"X-API-Key",
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],
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allow_private_network=True,
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)
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@app.middleware(
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"http"
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)
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async def add_security_headers(
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request: Request,
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call_next,
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):
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response = await call_next(
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request
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)
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# API odpovede obsahujú retrieval kontext,
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# preto ich nechceme ukladať do cache.
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response.headers[
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"Cache-Control"
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] = "no-store"
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response.headers[
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"X-Content-Type-Options"
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] = "nosniff"
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response.headers[
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"Referrer-Policy"
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] = "no-referrer"
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response.headers[
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"X-Frame-Options"
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] = "DENY"
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return response
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app.include_router(
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router
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)
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