Авторизация через LDAP

from flask import Flask, render_template, request, url_for, redirect, flash
from flask_socketio import SocketIO, emit, join_room
from flask_ldap3_login import LDAP3LoginManager
from flask_login import LoginManager, login_user, logout_user, UserMixin, current_user, login_required
from flask_ldap3_login.forms import LDAPLoginForm
from forms import  searchForm, selectForm
 
app = Flask(__name__)
app.config.update(
    SECRET_KEY = '******',
    DEBUG = True,
    LDAP_HOST = '127.0.0.1',
    LDAP_BASE_DN = 'dc=test',
    LDAP_USER_DN = 'ou=test',
    )
socketio = SocketIO(app)
connected = False
 
login_manager = LoginManager(app) 
ldap_manager = LDAP3LoginManager(app)
login_manager.login_view = '/login'
 
# dictionary для хранения списка пользователей
users = {}
class User(UserMixin):
    def __init__(self, dn, username, data):
        self.dn = dn
        self.username = username
        self.data = data
 
    def __repr__(self):
        return self.dn
 
    def get_id(self):
        return self.dn
        
@login_manager.user_loader
def load_user(id):
    if id in users:
        return users[id]
    return None
 
@ldap_manager.save_user
def save_user(dn, username, data, memberships):
    user = User(dn, username, data)
    users[dn] = user
    return user
 
@app.route('/login', methods=['GET', 'POST'])
def login():
    form = LDAPLoginForm()
    if request.method == 'POST' and form.validate():
        login_user(form.user)
        return redirect('/')
    return render_template('login.html', form=form)
 
@app.route('/logout')
def logout():
    del users[current_user.dn]
    logout_user()
    return redirect('/login')
 
 
@app.route('/', methods=['GET', 'POST'])
@login_required
def select():
 form = selectForm()
 return render_template('select.html', form=form)
 
@app.route('/search', methods=['GET', 'POST'])
@login_required
def search()
 form = searchForm()
 return render_template('search.html', form=form)