import re,requests

# 用于测试IP和端口是否可以用
import telnetlib

# 更换请求头
headers = {'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.146 Safari/537.36'}

# 创造一个类 Agency代理的意思
class Agency:

    # Get_html  获取网页源代码,
    def Get_html(self,url = "https://www.xicidaili.com/nn/"):

        r = requests.get(url,headers=headers)

        # r.encoding = r.apparent_encoding 可以自动选取编码方法
        r.encoding = r.apparent_encoding

        # print(r.text)

        try:
            if r.status_code == 503 or r.status_code == 404:
                print("网站已禁止您的访问或网站维护中，请先更换IP")

        except TypeError:

            print("IP被封无法返回源代码,请先尝试更换IP")

        else:

            # 返回源代码
            return r.text

    # 用正则取 IP 和 端口 并检测
    def Detection(self,url):

        html = self.Get_html()

        Regular = "(\d{1,3}[.]\d{1,3}[.]\d{1,3}[.]\d{2,3})\D*(\d{1,5})"

        ip = re.findall(Regular,html)

        for ips,port in ip:
            print("IP:",ips,"端口:",port)

            try:
                telnetlib.Telnet(ips, port=port, timeout=1)
            except:
                print(ips,'连接失败')
            else:
                print(ips,port,'成功')

    # 分页

    def Run(self):

        users = int(input("检测几页IP和端口？"))

        for i in range(1,users+1):

            urls = f"https://www.xicidaili.com/nn/{i}"
            print(urls)
            self.Detection(urls)

            i+=1

if __name__ == '__main__':

    url = "https://www.xicidaili.com/nn/"
    Agency().Run()