Parse GMAIL via IMAP, within steam (label/folder) for emails containing IPv4 address and write to a file. My attempt to deal with brute forcing.

steam.py

#!/usr/bin/env python
# 
# 

import sys
import imaplib
import getpass
import email
import email.header
import datetime
import re
import json

#from IPy import IP
#import BeautifulSoup

EMAIL_ACCOUNT = "my-account-here@gmail.com"
EMAIL_FOLDER = "steam"


def process_mailbox(M):
    """
    Search through inbox/steam and find messages and print some
    headers.
    """

    counter=0
    json_object = []
    rv, data = M.search(None, "ALL")
    if rv != 'OK':
        print "No messages found!"
        return

    for num in data[0].split():

        rv, data = M.fetch(num, '(RFC822)')
        counter=counter+1;
        if rv != 'OK':
            print "ERROR getting message", num
            return

        msg = email.message_from_string(data[0][1])
        #decode = email.header.decode_header(msg['Subject'])[0]
        #subject = unicode(decode[0])
        #body = msg.get_payload(1) #this is for html/mime
        ip_pattern = re.compile('\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}')
        body = msg.get_payload(0) # just the plain-text version
        date_tuple = email.utils.parsedate_tz(msg['Date'])
        if date_tuple:
            local_date = datetime.datetime.fromtimestamp(email.utils.mktime_tz(date_tuple))
        ipv4 = re.findall(ip_pattern, body.as_string())
        if ipv4:
            entry = {'ip_address': ipv4, 'timestamp': local_date.strftime("%a, %d %b %Y %H:%M:%S")}
            json_object.append(entry)

    with open('steam.json', 'w') as outfile:
        json.dump(json_object, outfile)        
    print "%s IPv4 addresses collected" % (counter)


M = imaplib.IMAP4_SSL('imap.gmail.com')

try:
    rv, data = M.login(EMAIL_ACCOUNT, getpass.getpass())
except imaplib.IMAP4.error:
    print "LOGIN FAILED!!! "
    sys.exit(1)

print rv, data

rv, mailboxes = M.list()
# if rv == 'OK':
#    print "Mailboxes:"
#    print mailboxes

rv, data = M.select(EMAIL_FOLDER)
if rv == 'OK':
    # print "Processing mailbox...\n"
    process_mailbox(M)
    M.close()
else:
    print "ERROR: Unable to open mailbox ", rv

M.logout()