Files
gemini-balance/app/main.py

115 lines
3.8 KiB
Python

from fastapi import FastAPI, Request
from fastapi.middleware.cors import CORSMiddleware
from fastapi.responses import HTMLResponse, RedirectResponse
from fastapi.templating import Jinja2Templates
from app.core.logger import get_main_logger
from app.core.security import verify_auth_token
from app.services.key_manager import get_key_manager_instance
from app.core.config import settings
from app.api import gemini_routes, openai_routes
import uvicorn
# 配置日志
logger = get_main_logger()
app = FastAPI()
# 配置Jinja2模板
templates = Jinja2Templates(directory="app/templates")
# 创建 KeyManager 实例
key_manager = None
@app.on_event("startup")
async def startup_event():
global key_manager
key_manager = await get_key_manager_instance(settings.API_KEYS)
# 添加中间件来处理未经身份验证的请求
@app.middleware("http")
async def auth_middleware(request: Request, call_next):
# 允许 gemini_routes 和 openai_routes 中的端点绕过身份验证
if (request.url.path not in ["/", "/auth"] and
not request.url.path.startswith("/static") and
not request.url.path.startswith("/gemini") and
not request.url.path.startswith("/v1") and
not request.url.path.startswith("/v1beta") and
not request.url.path.startswith("/health") and
not request.url.path.startswith("/hf")):
auth_token = request.cookies.get("auth_token")
if not auth_token or not verify_auth_token(auth_token):
return RedirectResponse(url="/")
response = await call_next(request)
return response
# 添加请求日志中间件
# app.add_middleware(RequestLoggingMiddleware)
# 配置CORS中间件
app.add_middleware(
CORSMiddleware,
allow_origins=["*"], # 生产环境建议配置具体的域名
allow_credentials=True,
allow_methods=["GET", "POST", "PUT", "DELETE", "OPTIONS"], # 明确指定允许的HTTP方法
allow_headers=["*"], # 生产环境建议配置具体的请求头
expose_headers=["*"], # 允许前端访问的响应头
max_age=600, # 预检请求缓存时间(秒)
)
# 包含所有路由
app.include_router(openai_routes.router)
app.include_router(gemini_routes.router)
app.include_router(gemini_routes.router_v1beta)
@app.get("/", response_class=HTMLResponse)
async def auth_page(request: Request):
return templates.TemplateResponse("auth.html", {"request": request})
@app.post("/auth")
async def authenticate(request: Request):
try:
form = await request.form()
auth_token = form.get("auth_token")
if not auth_token:
return RedirectResponse(url="/", status_code=302)
if verify_auth_token(auth_token):
response = RedirectResponse(url="/keys", status_code=302)
response.set_cookie(key="auth_token", value=auth_token, httponly=True, max_age=3600)
return response
return RedirectResponse(url="/", status_code=302)
except Exception as e:
logger.error(f"Authentication error: {str(e)}")
return RedirectResponse(url="/", status_code=302)
@app.get("/keys", response_class=HTMLResponse)
async def keys_page(request: Request):
auth_token = request.cookies.get("auth_token")
if not auth_token or not verify_auth_token(auth_token):
return RedirectResponse(url="/", status_code=302)
keys_status = await key_manager.get_keys_by_status()
total = len(keys_status["valid_keys"]) + len(keys_status["invalid_keys"])
return templates.TemplateResponse("keys_status.html", {
"request": request,
"valid_keys": keys_status["valid_keys"],
"invalid_keys": keys_status["invalid_keys"],
"total": total
})
@app.get("/health")
async def health_check(request: Request):
logger.info("Health check endpoint called")
return {"status": "healthy"}
if __name__ == "__main__":
uvicorn.run(app, host="0.0.0.0", port=8001)