69 lines
2.3 KiB
Python
69 lines
2.3 KiB
Python
import re
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import logging
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import socket
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from urllib import request, error, parse
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# 匹配合法 IP 地址
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regex_ip = re.compile(
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r"\D*("
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+ r"(?:1\d{2}|2[0-4]\d|25[0-5]|[1-9]\d|[1-9])\."
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+ r"(?:1\d{2}|2[0-4]\d|25[0-5]|[1-9]\d|\d)\."
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+ r"(?:1\d{2}|2[0-4]\d|25[0-5]|[1-9]\d|\d)\."
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+ r"(?:1\d{2}|2[0-4]\d|25[0-5]|[1-9]\d|\d)"
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+ r")\D*")
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# 增强鲁棒性，用多种方式获取 IP
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def get_ip():
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return (get_ip_by_ipip()
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or get_ip_by_httpbin()
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or get_ip_by_httpbin_direct_1()
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or get_ip_by_httpbin_direct_2() )
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# 这几个函数会在 DNS 遭受污染时失效
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def get_ip_by_ipip():
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url = 'http://myip.ipip.net/'
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try:
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resp = request.urlopen(url=url, timeout=10).read()
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return regex_ip.match(resp.decode("utf-8")).group(1)
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except Exception as e:
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logging.warning("get_ip_by_ipip FAILED, error: %s", str(e))
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return None
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def get_ip_by_httpbin():
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url = 'http://www.httpbin.org/ip'
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try:
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resp = request.urlopen(url=url, timeout=10).read()
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return regex_ip.match(resp.decode("utf-8")).group(1)
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except Exception as e:
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logging.warning("get_ip_by_httpbin FAILED, error: %s", str(e))
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return None
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# 这个函数可以在本地 DNS 遭受污染的时候获取到IP
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# 如需模拟DNS污染，可以在HOSTS文件里加入 127.0.0.1 www.httpbin.org
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def get_ip_by_httpbin_direct_1():
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url = 'http://52.5.182.176/ip'
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try:
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req = request.Request(url=url, method='GET', headers={'Host': 'www.httpbin.org'})
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resp = request.urlopen(req).read()
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return regex_ip.match(resp.decode("utf-8")).group(1)
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except Exception as e:
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logging.warning("get_ip_by_httpbin_direct_1 FAILED, error: %s", str(e))
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return None
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def get_ip_by_httpbin_direct_2():
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url = 'http://52.44.230.61/ip'
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try:
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req = request.Request(url=url, method='GET', headers={'Host': 'www.httpbin.org'})
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resp = request.urlopen(req).read()
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return regex_ip.match(resp.decode("utf-8")).group(1)
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except Exception as e:
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logging.warning("get_ip_by_httpbin_direct_2 FAILED, error: %s", str(e))
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return None
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# 测试
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if __name__ == '__main__':
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print(get_ip() )
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print(get_ip_by_ipip() )
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print(get_ip_by_httpbin() )
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print(get_ip_by_httpbin_direct_1() ) |