your-workflow/backend/app/main.py

154 lines
5.0 KiB
Python

import uvicorn
import uuid
import time
import models.db as DB
import nodes as F
from fastapi import FastAPI, Depends, HTTPException
from models.schemas.system import InitStatusResponse, InitConfigRequest, BaseResponse
from models.schemas.user import LoginRequest, LoginResponse
from core.config import load_init_config, save_init_config
from core.db import init_tortoise, close_tortoise
from core.logger import logger
from contextlib import asynccontextmanager
from fastapi.security import OAuth2PasswordBearer
from apscheduler.schedulers.asyncio import AsyncIOScheduler
# 简单的登陆状态存储
sessions: dict[str, tuple[float, DB.User]] = {}
oauth2_scheme = OAuth2PasswordBearer(tokenUrl="token")
scheduler = AsyncIOScheduler()
# 定时清理过期session
def clear_session():
TTL = 60 * 60 * 24 # 1天有效期
now = time.time()
expired_keys = [token for token, (expires_at, _) in sessions.items() if expires_at + TTL < now]
for token in expired_keys:
sessions.pop(token, None)
if expired_keys:
logger.info(f"清理过期 now: {now} session: {expired_keys}")
def get_current_user(token:str = Depends(oauth2_scheme)) -> DB.User | None:
if not token or token not in sessions:
raise HTTPException(status_code=401, detail="用户未登陆")
_, user = sessions[token]
sessions[token] = time.time(), user
return user
async def is_init():
init_config = await load_init_config()
init_status = init_config.get("is_init")
return init_status
@asynccontextmanager
async def lifespan(app: FastAPI):
# 数据库
if await is_init():
init_config = await load_init_config()
await init_tortoise(init_config["db_type"], init_config, init_config.get("admin_password"))
logger.info("初始化数据库")
# 定时器
scheduler.add_job(clear_session, "interval", seconds=5)
scheduler.start()
logger.info("初始化定时器")
yield
scheduler.shutdown()
logger.info("关闭定时器")
await close_tortoise()
logger.info("关闭数据库")
def create_app():
app = FastAPI(title="Workflow API", version="1.0.0", lifespan=lifespan)
@app.get("/")
async def root():
return {"message": "hello"}
@app.get(
"/check_init",
tags=["System"],
description="系统是否初始化",
response_model=InitStatusResponse,
)
async def check_init():
return InitStatusResponse(data=await is_init())
@app.post(
"/init_system",
tags=["System"],
description="系统初始化",
response_model=InitStatusResponse,
)
async def init_system(request: InitConfigRequest):
logger.info("init_system")
try:
init_config = await load_init_config()
if init_config.get('is_init'):
return InitStatusResponse(data=True)
# 保存配置
init_config["db_type"] = request.db_type
init_config["db_host"] = request.db_host
init_config["db_port"] = request.db_port
init_config["db_user"] = request.db_user
init_config["db_password"] = request.db_password
init_config["db_name"] = request.db_name
init_config["admin_password"] = request.admin_password
init_config["is_init"] = True
init_success = await init_tortoise(request.db_type, init_config, request.admin_password)
if init_success:
await save_init_config(init_config)
return InitStatusResponse(data=True)
return InitStatusResponse(success=False, message="初始化数据库失败")
except Exception as e:
return InitStatusResponse(success=False, message=str(e))
@app.post("/login", tags=["User"], description="用户登录", response_model=LoginResponse)
async def login(login_info: LoginRequest):
user = await DB.User.filter(username=login_info.username, password=login_info.get_md5_password()).first()
if user:
token = uuid.uuid4().hex
sessions[token] = time.time(), user
logger.info(sessions)
return LoginResponse(data={
"token": token,
"user": user.json(del_columns=["password"])
})
return LoginResponse(success=False, message="帐号或密码错误")
@app.post("/logout", tags=["User"], description="退出登录", response_model=BaseResponse)
async def logout(token:str):
sessions.pop(token, None)
logger.info(sessions)
return BaseResponse()
@app.post("/run", tags=["Flow"], description="执行命令", response_model=BaseResponse)
async def flow_run(id: int):
cmd_node = F.CMDNode()
cmd_node.set_params({"cmd": "ls"})
flow = F.AsyncFlow(cmd_node)
flow.set_params({"cmd": """ls && pwd"""})
await flow.run_async({})
return BaseResponse()
return app
app = create_app()
if __name__ == "__main__":
uvicorn.run("main:app", host="0.0.0.0", port=8080, reload=True)