定时获取公网ip并发送邮件提醒
0、前言前一段时间路由器刷的老毛子固件“穿透服务”中定时更新阿里DDNS失败了，用了很久第一次遇到。所以需要做个备用的措施用来实时获取公网ip信息。1、基于python实现[*]开启邮箱的SMTP功能
[*]拿到授权码(不是登录密码)
#!/usr/bin/python
# -*- coding: UTF-8 -*-
import os
import re
import random
import requests
import logging
import smtplib
from email.mime.text import MIMEText
from email.header import Header
from string import Template
from email.utils import parseaddr, formataddr
# 输出日志格式
logging.basicConfig(format='%(asctime)s - %(filename)s - %(levelname)s: %(message)s',
level=logging.INFO,
filename='sendWANIP.log',
filemode='a')
def _format_addr(s):
"""
美化邮箱地址,用于可显示发/收件人
:param s: 邮件地址
:return: 美化后的地址
"""
addr = parseaddr(s)
return formataddr(addr)
def get_current_ip():
"""
获取当前公网ip地址
:return: 公网ip地址
"""
ip_reg = re.compile("((2(5|\\d))|?\\d{1,2})(\\.((2(5|\\d))|?\\d{1,2})){3}")
# 可根据需求增删获取ip网址
api_tuple = (
"http://txt.go.sohu.com/ip/soip",
"https://ident.me/",
"https://ifconfig.me/ip",
"https://icanhazip.com/",
"https://checkip.amazonaws.com/",
"http://members.3322.org/dyndns/getip"
)
url = api_tuple
# print(url)
r = requests.get(url)
ip = re.findall(r'\d+.\d+.\d+.\d+', r.text)
# ip
if re.match(ip_reg,ip):
logging.info("从{}获取地址成功!ip={}".format(url,ip))
return ip
else:
logging.error("从{}获取地址失败!".format(url))
exit(-1)
def record_ip(params):
"""
将最新的ip记录在文件中
:param params: 包含ip的参数
"""
filename="./lastwanip"
last_wan_ip=""
if os.path.exists(filename):
f=open(filename,'r');
last_wan_ip=f.readline()
f.close()
logging.info("从文件中读到ip地址为:{}".format(last_wan_ip))
if last_wan_ip!= params['current_ip']:
f = open(filename, 'w');
f.write(params['current_ip'])
f.close()
else:
logging.info("ip地址已经是最新的,无需更新")
exit(0)
def send_mail(params):
"""
给指定用户发送邮件
:param params: 发送邮件信息
:return: 0: 发送成功,>0 发送失败
"""
# 第三方 SMTP 服务
mail_host = "smtp.163.com"# 设置服务器
mail_user = "xxxx"# 用户名
mail_pass = "xxxxxxxx"# 口令,即授权码不是账户密码
receivers = sender = 'xxxx@163.com'
# 邮件内容支持html格式，仿照的腾讯云模板
mail_text="""
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>IP地址</title>
</head>
<body>
<div>
<includetail>
<div align="center">
<div class="open_email" style="margin-left: 8px; margin-top: 8px; margin-bottom: 8px; margin-right: 8px;">
<div>
<br>
<span class="genEmailContent">
<div id="cTMail-Wrap"
style="word-break: break-all;box-sizing:border-box;text-align:center;min-width:320px; max-width:660px; border:1px solid #f6f6f6; background-color:#f7f8fa; margin:auto; padding:20px 0 30px; font-family:'helvetica neue',PingFangSC-Light,arial,'hiragino sans gb','microsoft yahei ui','microsoft yahei',simsun,sans-serif">
<div class="main-content" style="">
<table style="width:100%;font-weight:300;margin-bottom:10px;border-collapse:collapse">
<tbody>
<tr style="font-weight:300">
<td style="width:3%;max-width:30px;"></td>
<td style="max-width:600px;">
<div id="cTMail-logo" style="width:92px; height:25px;">
<a href="#">
<img id="logo" border="0" 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<p style="height:2px;background-color: #00a4ff;border: 0;font-size:0;padding:0;width:100%;margin-top:20px;"></p>
<div id="cTMail-inner" style="background-color:#fff; padding:23px 0 20px;box-shadow: 0px 1px 1px 0px rgba(122, 55, 55, 0.2);text-align:left;">
<table style="width:100%;font-weight:300;margin-bottom:10px;border-collapse:collapse;text-align:left;">
<tbody>
<tr style="font-weight:300">
<td style="width:3.2%;max-width:30px;"></td>
<td style="max-width:480px;text-align:left;">
<h1 id="cTMail-title" style="font-size: 20px; line-height: 36px; margin: 0px 0px 22px;">
</h1>
<p id="cTMail-userName" style="font-size:14px;color:#333; line-height:24px; margin:0;">
<span>
Your current public ip address is :
<strong>${current_ip}</strong>
.
</span>
</p>
<dl style="font-size: 14px; color: rgb(51, 51, 51); line-height: 18px;">
<dd style="margin: 0px 0px 6px; padding: 0px; font-size: 12px; line-height: 22px;">
<p id="cTMail-sender" style="font-size: 14px; line-height: 26px; word-wrap: break-word; word-break: break-all; margin-top: 32px;">
Sincerely,
<br>
<strong>${device}</strong>
</p>
</dd>
</dl>
</td>
<td style="width:3.2%;max-width:30px;"></td>
</tr>
</tbody>
</table>
</div>
<div id="cTMail-copy" style="text-align:center; font-size:12px; line-height:18px; color:#999">
<table style="width:100%;font-weight:300;margin-bottom:10px;border-collapse:collapse">
<tbody>
<tr style="font-weight:300">
<td style="width:3.2%;max-width:30px;"></td>
<td style="max-width:540px;">
<p style="text-align:center; margin:20px auto 14px auto;font-size:12px;color:#999;">
如非本人邮件，请忽略！
</p>
<td style="width:3.2%;max-width:30px;"></td>
</tr>
</tbody>
</table>
</div>
</td>
<td style="width:3%;max-width:30px;"></td>
</tr>
</tbody>
</table>
</div>
</div>
</span>
</div>
</div>
</div>
</includetail>
</div>
</body>
</html>
"""
mail = MIMEText(Template(mail_text).substitute(params), 'html', 'utf-8')
# 显示发件人
mail['From'] = _format_addr(sender)
mail['To'] = _format_addr(receivers)
# 设置邮件主题
subject = ' {}'.format(params['current_ip'])
mail['Subject'] = Header(subject, 'utf-8')
try:
smtpObj = smtplib.SMTP()
smtpObj.connect(mail_host, 25)# 25 为 SMTP 端口号
smtpObj.login(mail_user, mail_pass)
smtpObj.sendmail(sender, receivers, mail.as_string())
logging.info("邮件发送成功,最新ip为{}".format(params['current_ip']))
return 0
except smtplib.SMTPException as ex:
logging.error("邮件发送失败{},".format(ex))
return 1
if __name__=='__main__':
device = os.environ['COMPUTERNAME']
params = {"current_ip": get_current_ip(), "device": device}
record_ip(params)
send_mail(params)
2、创建bat文件启动脚本
"D:\Program Files\Python310\python.exe" D:\Code\Code\sendWANIP\sendWANIP.py
3、Windows任务计划
添加windows任务计划，每隔10分钟执行bat文件获取公网ip
注意：
[*]“程序或脚本”中写的可执行文件不要被引号包裹
[*]起始位置必填，为可执行文件所在的目录否则无法执行
4、shell脚本
路由器上跑的shell脚本，百度得来的出处忘记了，有需要的可以参考
#!/bin/bash
#SMTP配置 #（例子）
#SMTP服务器#smtpserver=smtp.126.com
#邮箱账号#fromaddress=xxxxxx@126.com
#邮箱密码fromaddresspwd=xxxxxxxxxxxxx
#收件人信息#toaddress=xxxxxx@qq.com 英文逗号分隔
#SMTP配置
smtpserver=smtp.163.com
fromaddress=xxxx@163.com
fromaddresspwd=xxxxxxxxxxxxx
toaddress=xxxxx@163.com
#文件路径，最新ip写入lastwanip.txt
iptxt="/etc/storage/lastwanip.txt"
#文件路径，邮件正文，写入mail文件
mailtxtpath="/etc/storage/mail.txt"
#获取WANIP接口
newwanip=`wget http://members.3322.org/dyndns/getip -q -O -`
#如接口获取不到ip，本次取消发送
echo $newwanip
if [ x"$newwanip" = "x" ]; then
newwanip=`wget https://ifconfig.me/ip -q -O -`
echo $newwanip
if [ x"$newwanip" = "x" ]; then
exit
fi
fi
if [ -f $iptxt ]; then
oldwanip=`cat $iptxt`
else
oldwanip="0.0.0.0"
fi
#对比上次IP，如相同则不发邮件，否则发送
echo $oldwanip
if [ "$newwanip" = "$oldwanip" ]; then
exit
fi
if [ -f $mailtxtpath ]; then
rm -f $mailtxtpath
fi
#配置邮件标题，修改“wanip”和在${newwanip} 后面加参数
#不能修改代码格式，行与行之间必须空格！
cat<<EOF >>$mailtxtpath
Subject: WANIP:[ ${newwanip} ]
路由器型号 = RedMi AC2100
IP= ${newwanip}
ok
To: $toaddress
From: $fromaddress
EOF
#调用系统邮件服务
sendmail -f $fromaddress -t $toaddress -S $smtpserver -au$fromaddress -ap$fromaddresspwd < $mailtxtpath
#缓存最新ip地址，写入/etc/storage/lastwanip.txt"
echo $newwanip > $iptxt
#打印系统日志，调用logger接口
logger 发现WANIP变化，外网IP= $newwanip
logger （$fromaddress）已邮件通知（$toaddress）
这个太麻烦了！！看看这个：https://github.com/jeessy2/ddns-go
set CARR_date=%date:~0,4%%date:~5,2%%date:~8,2%
curl http://members.3322.org/dyndns/getip/>>getip.txt
echo ^<br^> %CARR_date% ^<br^> > getip.txt
blat getip.txt -html -to 接收邮箱 -attach "getip.txt" -s "标题" -r -d
批处理cmd命令，4行代码解决问题，最短可能只需2行。
发邮件软件我用的 blat， 其他一样做成 任务计划，
批处理还可以 更改一下，不写时间，大约5~6行，对比上一次获取ip文件 是否和当前ip文件 不同，针对不同，发不同邮件！
发邮件可以能会用的组件：
stunnel https://www.stunnel.org/downloads.html
Blat https://sourceforge.net/projects/blat/
网上有使用方法。 感谢 很实用 没公网，但有ipv6 获取ip的端口收下了 ip6有什么办法穿 获取ip的端口收下了 感谢分享 这可以用来做什么，可以说一下么{:1_904:} 我的树莓派可以用上了。 感谢分享。