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# -*- coding: utf-8 -*-
import re
import httpx
from app.core.logger import log
class IpLocalUtil:
"""
获取IP归属地工具类
"""
@classmethod
def is_valid_ip(cls, ip: str) -> bool:
"""
校验IP格式是否合法。
参数:
- ip (str): IP地址。
返回:
- bool: 是否合法。
"""
ip_pattern = r'^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$'
return bool(re.match(ip_pattern, ip))
@classmethod
def is_private_ip(cls, ip: str) -> bool:
"""
判断是否为内网IP。
参数:
- ip (str): IP地址。
返回:
- bool: 是否为内网IP。
"""
priv_pattern = r'^(127\.|10\.|172\.(1[6-9]|2[0-9]|3[01])\.|192\.168\.)'
return bool(re.match(priv_pattern, ip))
@classmethod
async def get_ip_location(cls, ip: str) -> str | None:
"""
获取IP归属地信息。
参数:
- ip (str): IP地址。
返回:
- str | None: IP归属地信息失败时返回"未知"或None。
"""
# 校验IP格式
if not cls.is_valid_ip(ip):
log.error(f"IP格式不合法: {ip}")
return "未知"
# 内网IP直接返回
if cls.is_private_ip(ip):
return '内网IP'
try:
# 使用ip-api.com API获取IP归属地信息
async with httpx.AsyncClient(timeout=10.0) as client:
# 尝试使用 ip9.com.cn API
url = f'https://ip9.com.cn/get?ip={ip}'
response = await cls._make_api_request(client, url)
if response and response.json().get('ret') == 200:
result = response.json().get('data', {})
return f"{result.get('country','')}-{result.get('prov','')}-{result.get('city','')}-{result.get('area','')}-{result.get('isp','')}"
# 尝试使用百度 API
url = f'https://qifu-api.baidubce.com/ip/geo/v1/district?ip={ip}'
response = await cls._make_api_request(client, url)
if response and response.json().get('code') == "Success":
data = response.json().get('data', {})
# 修正原代码中的格式错误
return f"{data.get('country','')}-{data.get('prov','')}-{data.get('city','')}-{data.get('district','')}-{data.get('isp','')}"
except Exception as e:
log.error(f"获取IP归属地失败: {e}")
return "未知"
@classmethod
async def _make_api_request(cls, client, url):
"""
单独的 API 请求方法,包含重试机制。
参数:
- client (AsyncClient): httpx 异步客户端。
- url (str): 请求 URL。
返回:
- Response | None: 响应对象失败时返回None。
"""
max_retries = 3
for attempt in range(max_retries):
try:
response = await client.get(url, timeout=10)
if response.status_code == 200:
return response
except Exception as e:
if attempt < max_retries - 1:
continue
log.error(f"请求 {url} 失败: {e}")
return None