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depends.py
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48 lines (37 loc) · 1.42 KB
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from typing import Union
from datetime import datetime, timedelta
from fastapi import Header, HTTPException, Request
import settings
async def admin_required(pwd: Union[str, None] = Header(default=None)):
if not pwd or pwd != settings.ADMIN_PASSWORD:
raise HTTPException(status_code=401, detail="密码错误")
class IPRateLimit:
ips = {}
count = 0
minutes = 0
def __init__(self, count, minutes):
self.count = count
self.minutes = minutes
def check_ip(self, ip):
# 检查ip是否被禁止
if ip in self.ips:
if self.ips[ip]['count'] >= self.count:
if self.ips[ip]['time'] + timedelta(minutes=self.minutes) > datetime.now():
return False
else:
self.ips.pop(ip)
return True
def add_ip(cls, ip):
ip_info = cls.ips.get(ip, {'count': 0, 'time': datetime.now()})
ip_info['count'] += 1
cls.ips[ip] = ip_info
return ip_info['count']
async def remove_expired_ip(self):
for ip in list(self.ips.keys()):
if self.ips[ip]['time'] + timedelta(minutes=self.minutes) < datetime.now():
self.ips.pop(ip)
def __call__(self, request: Request):
ip = request.client.host
if not self.check_ip(ip):
raise HTTPException(status_code=400, detail=f"请求次数过多，请稍后再试")
return ip