Mattermost Auth Token extractor for MM + GitLab + LDAP

mm-gitlab-ldap-auth.py

from requests import session
import re

username = ""
password = ""
gitlab_url = "https://gitlab.example.com"
mattermost_url = "https://mattermost.example.com"

sess = session()

csrf = re.search(
    r'<meta name="csrf-token" content="([^"]+)" \/>',
    sess.get(f"{gitlab_url}/users/sign_in").text
).groups()[0]

gitlab_login = sess.post(
    f"{gitlab_url}/users/auth/ldapmain/callback",
    data={
        "authenticity_token": csrf,
        "username": username,
        "password": password
    }
)

sess.get(re.search(
    r'window.location= "([^\"]+)',
    sess.get(f"{mattermost_url}/oauth/gitlab/login").text
).groups()[0])

print(sess.cookies["MMAUTHTOKEN"])