Checkin/Checkout OfficeCentral using CLI

attendance-checkin.service

[Unit]
Description=Checkin attendance in OfficeCentral
Wants=attendance-checkin.timer

[Service]
Type=oneshot
ExecStart=/usr/bin/python3 /path/to/attendance.py -a /path/to/login_file -i

[Install]
WantedBy=multi-user.target

attendance-checkin.timer

[Unit]
Description=Checkin attendance in OfficeCentral
Requires=attendance-checkin.service

[Timer]
Unit=attendance-checkin.service
OnCalendar=Mon..Fri *-*-* 08:50:00

[Install]
WantedBy=timers.target

attendance-checkout.service

[Unit]
Description=Checkout attendance in OfficeCentral
Wants=attendance-checkout.timer

[Service]
Type=oneshot
ExecStart=/usr/bin/python3 /path/to/attendance.py -a /path/to/login_file -o

[Install]
WantedBy=multi-user.target

attendance-checkout.timer

[Unit]
Description=Checkout attendance in OfficeCentral
Requires=attendance-checkout.service

[Timer]
Unit=attendance-checkout.service
OnCalendar=Mon..Fri *-*-* 18:30:00

[Install]
WantedBy=timers.target

attendance.py

#!/usr/bin/python3
# 
# Checkin / checkout office central using command line
# 
# Usage:
# 
# 
#  checkin:
#     python3 attendance.py -a login_file -i
#
#  checkout:
#     python3 attendance.py -a login_file -o
#
#
#  `login_file` is a simple text file with 2 lines, first line is username, second line is password:
#
#     username
#     password
#
#

import requests
from lxml.html import fromstring as load_html
import argparse
import base64
import sys
import os
from datetime import datetime

LOGIN_URL = 'https://v2.officecentral.asia/Account/login'
CHECKIN_URL = 'https://v2.officecentral.asia/StaffPortal/Attendance/CheckIn'
CHECKOUT_URL = 'https://v2.officecentral.asia/StaffPortal/Attendance/CheckOut'
LOCATIONS = {'office': {
   'latitude': 2.925964,
   'longitude': 101.649996,
   'currenttimezone': 'Asia/Kuala_Lumpur',
   'autoaddress': 'C2-2-7, Block C2, CBD Perdana 3, Lingkaran Cyber Point Timur, Cyber 12, 63000 Cyberjaya, Selangor',
   'remarks': '',
}}

def login(session, username, password):
    print("Logging in")
    r = session.get(LOGIN_URL)
    e = load_html(r.text)
    login_form = e.cssselect('.login-form')[0]
    verification_token = login_form.cssselect('[name="__RequestVerificationToken"]')[0].value
    form_data = {
        'username': username,
        'password': password,
        '__RequestVerificationToken': verification_token,
        'remember': '1',
        'returnurl': '/'
    }
    r = session.post(LOGIN_URL, data=form_data)
    if r.status_code != 200:
        raise Exception("Invalid Login")
    print('Login successful')

def checkin(session, location):
    print("Checking in")
    data = {'submit': 'Check In'}
    data.update(LOCATIONS[location])
    r = session.post(CHECKIN_URL, data=data)
    if r.status_code != 200:
        raise Exception("Unable to checkin\n\n" + r.text)
    print(f'Checkin successful at "{location}" on {datetime.now().isoformat()}')

def checkout(session, location):
    print("Checking out")
    data = {'submit': ' Check Out '}
    data.update(LOCATIONS[location])
    r = session.post(CHECKOUT_URL, data=data)
    if r.status_code != 200:
        raise Exception("Unable to checkout\n\n" + r.text)
    print(f'Checkout successful at "{location}" on {datetime.now().isoformat()}')

parser = argparse.ArgumentParser()
parser.add_argument('-a', '--login-file', required=True)
parser.add_argument('-i', '--checkin', action='store_true', default=False)
parser.add_argument('-o', '--checkout', action='store_true', default=False)
parser.add_argument('-l', '--location', default='office')
args = parser.parse_args()

filename = os.path.basename(sys.argv[0])

if args.checkin and args.checkout:
    print(f'{filename}: error: Only one of "--checkin" or "--checkout" can be specified', file=sys.stderr)
    sys.exit(1)
elif not (args.checkin or args.checkout):
    print(f'{filename}: error: Either "--checkin" or "--checkout"  is required', file=sys.stderr)
    sys.exit(1)

if args.location not in LOCATIONS.keys():
    print(f'{filename}: error: Unknown location "{args.location}"', file=sys.stderr)
    sys.exit(1)

with open(args.login_file) as f:
    username, password = f.read().strip().split('\n')
    
session = requests.Session()
login(session, username, password)

if args.checkin:
    checkin(session, args.location)

if args.checkout:
    checkout(session, args.location)