#!/usr/bin/env python
#
'''
    File name: imap_recursor.py
    License: GNU LESSER GENERAL PUBLIC LICENSE
    Author: Kevin Chollet
    Date created: 04/05/2018
    Date last modified: 04/05/2018
    Python Version: 3.2.3
    Sources : sample used : http://www.voidynullness.net/blog/2013/07/25/gmail-email-with-python-via-imap/
'''

import sys
import imaplib
import email
import argparse
import subprocess

def process_mailbox(M, command):
    """
    Do something with emails messages in the folder.
    For the sake of this example, print some headers.
    """

    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)')
        if rv != 'OK':
            print("ERROR getting message", num)
            return

        print(data[0][1].decode("utf-8"))
        """msg = email.message_from_bytes(data[0][1])"""
        proc = subprocess.Popen(command.split(' '), stdin=subprocess.PIPE)
        proc.stdin.write(data[0][1])




#Parsing arguments
parser = argparse.ArgumentParser(description='Recurse over each email of imap directory')

parser.add_argument('-u', '--username',
    action="store", dest="username",
help="Username", required=True)

parser.add_argument('-p', '--password',
    action="store", dest="password",
help="Password", required=True)

parser.add_argument('-s', '--server',
    action="store", dest="server",
help="Imap server", required=True)

parser.add_argument('-S', '--ssl',
    action="store", dest="ssl",
help="using ssl or not (imaps vs imap)", default="true", choices=['false', 'true'])

parser.add_argument('-f', '--folder',
    action="store", dest="folder",
help="Folder to explore", default="INBOX")

parser.add_argument('-e', '--exec',
    action="store", dest="execute",
help="Command to execute" )


options = parser.parse_args()

if options.ssl == "true" :
    imap_ressource = imaplib.IMAP4_SSL(options.server)
else :
    imap_ressource = imaplib.IMAP4(options.server)

try:
    result, data = imap_ressource.login(options.username, options.password)
except imaplib.IMAP4.error:
    print("LOGIN FAILED!!! ")
    sys.exit(1)

print(result, data)

result, mailboxes = imap_ressource.list()
if result == 'OK':
    print("Mailboxes:")
    print(mailboxes)

result, data = imap_ressource.select(options.folder)
if result == 'OK':
    print("Processing mailbox...\n")
    process_mailbox(imap_ressource,options.execute)
    imap_ressource.close()
else:
    print("ERROR: Unable to open mailbox ", rv)

imap_ressource.logout()