Backup all emails

gistfile.py

import re
import shutil
import requests

USERNAME = '***'
PASSWORD = '***'
MAILBOX_ID = '***'
OUTPUT_FOLDER = 'inbox'
MESSAGE_START = 1
MESSAGE_END = 149
LOGIN_URL = 'https://***/egroupware/login.php'
INDEX_URL = 'https://***/egroupware/index.php'


def login(session, username, password):
    return session.post(LOGIN_URL, verify=False, data={
        'passwd_type': 'text',
        'account_type': 'u',
        'logindomain': 'default',
        'login': username,
        'passwd': password,
        'submitit': 'Conectar'
    })


def get_message(session, id):
    return session.get(INDEX_URL, stream=True, verify=False, params={
        'menuaction': 'felamimail.uidisplay.saveMessage',
        'uid': id,
        'mailbox': MAILBOX_ID
    })


def save_message(filename, data):
    with open(filename, 'wb') as f:
        shutil.copyfileobj(data, f)

with requests.Session() as session:
    login(session, USERNAME, PASSWORD)
    for message_id in reversed(range(MESSAGE_START, MESSAGE_END)):
        response = get_message(session, message_id)
        subject = response.headers['Content-Disposition']
        subject = re.findall(r'filename="(.*?)"', subject)[0]
        subject = re.sub('[\\/:*?"<>|]', '', subject)
        filename = '%s/[%s] %s' % (OUTPUT_FOLDER, message_id, subject)
        save_message(filename, response.raw)