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Python 利用邮件系统完成远程控制电脑的实现(关机、重启等)

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0. 我们如何通过邮件系统完成远程控制电脑(关机、重启等)?

实现思路:

需要有两个邮箱:接收指令邮箱(A)发送指令邮箱(B)

被控制的电脑(查看 A 邮箱):
1. 每隔指定时间监听 A 邮箱 查看最近的邮件
2. 打开最近邮件,看是否是 B 邮箱地址发来的执行命令
3. 向 A 和 B 邮箱都发送 主题为:反馈 内容为:“目标计算机已收到指令!开始执行:xxx 指令!” 邮件
4. 执行指定邮箱发送的执行命令

远程人员操作:

登录 B 邮箱,向 A 邮箱发送 主题为:“目标计算机执行” 内容为:xxx指令(例如:关机)

1. 代码编写

import poplib
import smtplib
import os
import time
from email.parser import Parser
from email.header import decode_header
from email.utils import parseaddr
from email.mime.text import MIMEText
from email.header import Header
 
email_params = dict()
email_params['email_message'] = '反馈'
email_params['email_subject'] = '目标计算机反馈'
email_params['email_from'] = 'A邮箱'
email_params['email_user'] = 'A邮箱'
email_params['email_exec'] = 'B邮箱'
email_params['email_to'] = ['A邮箱', 'B邮箱']
email_params['email_smtp'] = 'smtp.163.com'
email_params['email_pop'] = 'pop.163.com'
email_params['email_pass'] = 'A邮箱的密码(smtp、pop3的密码)'
interval_time = 5
 
 
def decode_str(s):
  value, charset = decode_header(s)[0]
  if charset:
    value = value.decode(charset)
  return value
 
 
def get_headers(message):
  headers = dict()
  for header in ['From', 'To', 'Subject']:
    value = message.get(header, '')
    if value:
      if header == 'Subject':
        headers['Subject'] = decode_str(value)
      elif header == 'From':
        hdr, addr = parseaddr(value)
        headers['From'] = decode_str(addr)
      elif header == 'To':
        hdr, addr = parseaddr(value)
        headers['To'] = decode_str(addr)
  return headers
 
 
def guess_charset(message):
  charset = message.get_charset()
  if charset is None:
    content_type = message.get('Content-Type', '').lower()
    pos = content_type.find('charset=')
    if pos >= 0:
      charset = content_type[pos + 8:].strip()
  return charset
 
 
def get_content(message):
  for part in message.walk():
    content_type = part.get_content_type()
    charset = guess_charset(part)
    if content_type == 'text/plain' and charset:
      try:
        return part.get_payload(decode=True).decode(charset)
      except AttributeError:
        print('type error')
      except LookupError:
        print("unknown encoding: utf-8")
 
 
def receive_email():
  email_server = poplib.POP3_SSL(email_params['email_pop'])
  email_server.user(email_params['email_user'])
  email_server.pass_(email_params['email_pass'])
  resp, mails, octets = email_server.list()
  index = len(mails)
  if index == 0:
    return None, None
  resp, lines, octets = email_server.retr(index)
  message = b'\r\n'.join(lines).decode('utf-8', 'ignore')
  message = Parser().parsestr(message)
  email_server.quit()
  return get_headers(message), get_content(message)
 
 
def send_email(email_message):
  message = MIMEText(email_message, 'plain', 'utf-8')
  message['Subject'] = Header(email_params['email_subject'], 'utf-8')
  message['From'] = Header(email_params['email_from'])
  message['To'] = Header(','.join(email_params['email_to']), 'utf-8')
 
  email_server = smtplib.SMTP_SSL(email_params['email_smtp'])
  email_server.login(email_params['email_from'], email_params['email_pass'])
  email_server.sendmail(email_params['email_from'], email_params['email_to'], message.as_string())
  email_server.close()
 
 
def exec_operator(exec_content):
  if exec_content == '关机':
    os.system("shutdown -s -t 1")
  elif exec_content == '重启':
    os.system("shutdown -r")
  else:
    os.system(exec_content)
 
 
if __name__ == '__main__':
  while True:
    headers, content = receive_email()
    if headers and content and headers['From'] == email_params['email_exec'] and headers['Subject'] == '目标计算机执行':
      email_message = "目标计算机已接收到指令!开始执行: " + content + " 指令!"
      send_email(email_message)
      exec_operator(content)
    time.sleep(interval_time)

2. 解释说明

A 邮箱:是 163 邮箱,需要开启 smtp、pop3 服务

上面所说的 smtp、pop3 密码,指的是开启上图所示的服务要设定的密码!!!

B 邮箱:是 QQ 邮箱,只是用来发送执行命令到 A 邮箱的,所以不必开启 smtp、pop2 服务

3. 运行截图

B 邮箱向 A 邮箱发送命令 👇

B 邮箱从 A 邮箱接收到的反馈邮件 👇

至于关机的画面,就不展示了,大家自己运行后尝试看吧!(*^_^*)

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