Files
ihrm/horilla_ldap/management/commands/import_ldap_users.py

158 lines
5.7 KiB
Python

import platform
import re
import sys
from django.contrib.auth.models import User
from django.core.management.base import BaseCommand
from django.db.models import Q
from employee.models import Employee
from horilla_ldap.models import LDAPSettings
if platform.system() == "Linux":
import ldap # Use python-ldap for Linux
else:
from ldap3 import ALL, Connection, Server # Use ldap3 for Windows
class Command(BaseCommand):
help = "Imports employees from LDAP into the Django database using LDAP settings from the database"
def handle(self, *args, **kwargs):
# Detect OS
os_name = platform.system()
# self.stdout.write(self.style.NOTICE(f"Running on {os_name}"))
# Fetch LDAP settings from the database
settings = LDAPSettings.objects.first()
if not settings:
self.stdout.write(self.style.ERROR("LDAP settings are not configured."))
return
ldap_server = settings.ldap_server
bind_dn = settings.bind_dn
bind_password = settings.bind_password
base_dn = settings.base_dn
if not all([ldap_server, bind_dn, bind_password, base_dn]):
self.stdout.write(
self.style.ERROR(
"LDAP settings are incomplete. Please check your configuration."
)
)
return
try:
if os_name == "Linux":
# LDAP connection for Linux (python-ldap)
connection = ldap.initialize(ldap_server)
connection.simple_bind_s(bind_dn, bind_password)
search_filter = "(objectClass=inetOrgPerson)"
results = connection.search_s(
base_dn, ldap.SCOPE_SUBTREE, search_filter
)
for dn, entry in results:
user_id = entry.get("uid", [b""])[0].decode("utf-8")
email = entry.get("mail", [b""])[0].decode("utf-8")
first_name = entry.get("givenName", [b""])[0].decode("utf-8")
last_name = entry.get("sn", [b""])[0].decode("utf-8")
name = entry.get("cn", [b""])[0].decode("utf-8")
phone = entry.get("telephoneNumber", [b""])[0].decode("utf-8")
# Get the password from LDAP
ldap_password = entry.get("telephoneNumber", [b""])[0].decode(
"utf-8"
)
# Remove non-numeric characters but keep numbers
clean_phone = re.sub(r"[^\d]", "", phone)
ldap_password = clean_phone
self.create_or_update_employee(
user_id, email, first_name, last_name, phone, ldap_password
)
connection.unbind_s()
else:
# LDAP connection for Windows (ldap3)
server = Server(ldap_server, get_info=ALL)
connection = Connection(server, user=bind_dn, password=bind_password)
if not connection.bind():
self.stdout.write(
self.style.ERROR(
f"Failed to bind to LDAP server: {connection.last_error}"
)
)
return
search_filter = "(objectClass=inetOrgPerson)"
connection.search(
base_dn,
search_filter,
attributes=[
"uid",
"mail",
"givenName",
"sn",
"cn",
"telephoneNumber",
"userPassword",
],
)
for entry in connection.entries:
user_id = entry.uid.value if entry.uid else ""
email = entry.mail.value if entry.mail else ""
first_name = entry.givenName.value if entry.givenName else ""
last_name = entry.sn.value if entry.sn else ""
name = entry.cn.value if entry.cn else ""
phone = entry.telephoneNumber.value if entry.telephoneNumber else ""
# Get the password from LDAP
clean_phone = re.sub(r"[^\d]", "", phone)
ldap_password = clean_phone
self.create_or_update_employee(
user_id, email, first_name, last_name, phone, ldap_password
)
connection.unbind()
except Exception as e:
self.stderr.write(self.style.ERROR(f"Error: {e}"))
def create_or_update_employee(
self, user_id, email, first_name, last_name, phone, ldap_password
):
employee, created = Employee.objects.update_or_create(
email=email,
defaults={
"employee_first_name": first_name or "",
"employee_last_name": last_name or "",
"phone": phone or "",
},
)
try:
user = User.objects.get(
Q(username=email) | Q(username=user_id) | Q(email=email)
)
user.username = email
user.set_password(ldap_password) # Hash and store password securely
user.save()
action = "Updated"
except User.DoesNotExist:
self.stdout.write(
self.style.WARNING(
f"User for employee {first_name} {last_name} does not exist."
)
)
return
action = "Created" if created else "Updated"
self.stdout.write(
self.style.SUCCESS(f"{action} employee {first_name} {last_name}.")
)