Login to facebook com python

Question

I would like, for educational reason, to login to facebook with a python script. I tried with lib requests

import requests

s = requests.Session()
post_url = 'https://www.facebook.com/login.php?login_attempt=1&lwv=110'

headers = {"User-agent" : 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:7.0.1) Gecko/20100101 Firefox/7.0.1'}
login_data = {'email': 'USERNAME', 'pass': 'PASSWORD'}
pag_formulario = s.post(formulario_url, headers=headers, data=login_data)

But it doesn’t seem to be working. Someone has already done it?

Answer 1

With requests (only) it is difficult to login to facebook, because they must bet on javascript to generate additional data for security, and it would be very complicated to track everything that happens. In addition you should send (post method) all the values of the form. I know this because I have also tried and it did not work only with requests.

However there are other modules that can help.

For python >= 2.4 and < 3 (python 2.x), you can use mechanize:

import mechanize

url = 'https://m.facebook.com'
loggedin_title = 'Facebook' # isto vai servir para confirmarmos que estamos loggedin, vendo o titulo da pagina para onde fomos redirecionados 
username = 'USERNAME'
password = 'PASSWORD'

browser = mechanize.Browser()
browser.set_handle_robots(False)
browser.addheaders = [('User-Agent', 'Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.0.6)')]

browser.open(url)
browser.select_form(nr=0)
browser.form["email"] = username
browser.form["pass"] = password
browser.submit()

if browser.title() == loggedin_title:
    print '[+] SUCCESS'
    print 'Username: {}\nPassword: {}'.format(username, password)
else:
    print '[-] LOGIN FAILED'

For python >= 3, can install the robobrowser, this also makes use of the requests module:

import robobrowser
import re

url = 'https://m.facebook.com'
loggedin_title = 'Facebook' # isto vai servir para confirmarmos que estamos loggedin, vendo o titulo da pagina para onde fomos redirecionados 

browser = robobrowser.RoboBrowser(history=True, parser='html.parser')
browser.open(url)

form = browser.get_form(id='login_form')
form['email'].value = 'USERNAME'
form['pass'].value = 'PASSWORD'
browser.submit_form(form, submit=form['login'])

redirect_title = re.compile('<title>(.*?)</title>').search(str(browser.parsed)).group(1)

if(redirect_title == loggedin_title):
    print('[+] SUCCESS')
    print('Username: {}\nPassword: {}'.format(form['email'].value, form['pass'].value))
else:
    print('[-] LOGIN FAILED')

This last one does not need to define headers, but can. The headers of this by default are sufficient and valid for facebook.

Note that this code is only stable until facebook change the login mechanics, if this happens it will need to be adapted

Here has the 'official' alternative offered by facebook itself.