update:新增限制时间内上传次数，移除IP黑名单列表过期IP，防止炸内存

depends.py

@@ -13,25 +13,36 @@ async def admin_required(pwd: Union[str, None] = Header(default=None)):
 
 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'] >= settings.ERROR_COUNT:
-                if self.ips[ip]['time'] + timedelta(minutes=settings.ERROR_MINUTE) > datetime.now():
+            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="错误次数过多，请稍后再试")
+            raise HTTPException(status_code=400, detail=f"请求次数过多，请稍后再试")
         return ip