import  urllib.request
import  urllib.parse
import  http.cookiejar,re

opener = None

# 帶Cookie訪問
def openurl(parms):
  global opener
  if opener == None:
      #cookie設定
      cj =  http.cookiejar.CookieJar()
      opener = urllib.request.build_opener(urllib.request.HTTPCookieProcessor(cj))
  ret = opener.open(parms)
  return
 
 ret


def login_163(**parms):
  #初始化
  parms_key = ['domain','password','username']
  arg = {}
  for key in parms_key:
    if key in parms:
      arg[key] = parms[key]
    else:
      arg[key] = ''
  #獲取syscheckcode
  pre_login = arg['domain']
  html = openurl(pre_login).read().decode('utf-8')

  patt = re.compile(r'.*?name=syscheckcode.*?value="(.*?)".*?'
 
)
  syscheckcode = patt.search(html)
  if not syscheckcode:
    raise Exception('GET syscheckcode Fail!')
  syscheckcode = syscheckcode.group(1)

  #登陸
  postdata = {
   'syscheckcode':syscheckcode,
   'password':arg['password'],
   'username':arg['username'],
    }
  postdata = urllib.parse.urlencode(postdata)
  postdata = postdata.encode('utf-8'
 
)
  req = urllib.request.Request(
    url= arg['domain'],
    data=postdata
    )
  html = openurl(req).read().decode('utf-8')

  thisurl  = 'http://reg.163.com/Main.jsp?username=' + arg['username']
  html = openurl(thisurl).read().decode('utf-8')
  # 獲取隨機key
  thisurl = 'http://entry.mail.163.com/coremail/fcg/ntesdoor2?verifycookie=1&lightweight=1&from=urs'

  html = openurl(thisurl).read().decode('utf-8')

  patt = re.compile(r'.*[email protected]&sid=(.*?)&from.*?')
  sid = patt.search(html);
  sid = sid.group(1)

  # 獲取sid
  thisurl = 'http://mail.163.com/js6/main.jsp?sid=' + sid
  html = openurl(thisurl).read().decode('utf-8')
  thisurl = 'http://mail.163.com/js6/s?sid=' + sid + '&func=mbox:listMessages&topNav_mobileIcon_show=1&TopTabReaderShow=1&TopTabLofterShow=1'


  # 獲取郵件key --- 可以讀取看看，實際上是一個類似xml的表，所有的郵件都在這裡，我們需要的是key，這裡是抽取的第一封郵件的key
  html = openurl(thisurl).read().decode('utf-8')

  patt = re.compile(r'.*?name="id">(.*?)</string>.*?')
  key =  patt.search(html);
  key = key.group(1)

  # 獲取郵件內容
  thisurl = 'http://mail.163.com/js6/read/readhtml.jsp?mid=' + key
  html = openurl(thisurl).read().decode('utf-8')

  # 測試輸出
  print(html)
  # 假設返回假,,這個驗證可以最後加上
  flag = True
  #if 'succeedhandle_login' in html:
    #flag = True
  return flag


# 這裡是開始，我懶得縮進了 if __name__ == '__main__':
# 使用者名稱 及 密碼
while True:
  user = input('input your username:')
  pwd = input('input your password:')
  if len(user) != 0 and len(pwd) != 0:
    break
  print('輸入錯誤')



# 測試網站
dom='https://reg.163.com/logins.jsp'
try:
  flag = login_163(username=user,password=pwd,domain=dom)
  if not flag:
    print('讀取失敗!')
    exit(0)
  else:
    print('讀取成功')

except Exception as e:
   print('Error:',e)

反正大致過程就是上面那樣，，，很標準的 post登陸，之後 163 的頁面比較特殊，具體可以自己去試試。

那個key頁面是抓包之後找到的，通過那個key就能獲得每一封郵件了。

整個程式碼是從一份功能程式碼中抽出來，因為剩下的內容涉及xxx，所以不發了。

本程式碼為自己所寫，自己抓包測的，沒有任何參考， 如有雷同，絕逼是被抄襲。