def login_view(request):
    if request.method == 'OPTIONS':
        return JsonResponse({})

    error = ""
    session_key = ""
    user_info = {
        'first_name': '',
        'last_name': ''
    }

    try:
        login_dict = json.loads(request.body.replace('\'', '"'))
        username = login_dict['username']
        password = login_dict['password']
        user = auth.authenticate(username=username, password=password)
        if user is not None:
            if user.is_active:
                auth.login(request, user)
            else:
                error = 'Account disabled!'
        else:
            error = 'Invalid credentials!'
    except Exception as e:
        error = 'Invalid credentials!'

    if error == "":
        request.session.set_expiry(3600)
        session_key = request.session.session_key
        if user.first_name:
            user_info['first_name'] = user.first_name
        else:
            user_info['first_name'] = 'Name'
        if user.last_name:
            user_info['last_name'] = user.last_name
        else:
            user_info['last_name'] = 'LastName'
    if user is not None:
        menu = get_user_menu(user)
        response_params = {'error': error, 'session_key': session_key, 'user': user_info, 'menu': menu}
    else:
        response_params = {'error': error}
    return JsonResponse(response_params, status=200)




# LDAP authentication settings
AUTHENTICATION_BACKENDS = (
    'django_auth_ldap.backend.LDAPBackend',
    'django.contrib.auth.backends.ModelBackend')

# Binding and connection options
AUTH_LDAP_SERVER_URI = "ldap://2k8-dc1.hq.bc:389"
AUTH_LDAP_BIND_DN = u"%s" % os.environ['LDAP_USER']
AUTH_LDAP_BIND_PASSWORD = "%s" % os.environ['LDAP_PASSWORD']
AUTH_LDAP_CONNECTION_OPTIONS = {
    ldap.OPT_DEBUG_LEVEL: 0,
    ldap.OPT_REFERRALS: 0
}

# User and group search objects and types
AUTH_LDAP_USER_SEARCH = LDAPSearch(u"OU=БАНК,DC=hq,DC=bc",
    ldap.SCOPE_SUBTREE, "(&(objectClass=user)(sAMAccountname=%(user)s))")
AUTH_LDAP_GROUP_SEARCH = LDAPSearch(u"OU=БАНК,DC=hq,DC=bc",
    ldap.SCOPE_SUBTREE, "(objectClass=group)")
AUTH_LDAP_GROUP_TYPE = NestedActiveDirectoryGroupType()

# Cache settings
AUTH_LDAP_CACHE_GROUPS = True
AUTH_LDAP_GROUP_CACHE_TIMEOUT = 300

# What to do once the user is authenticated
AUTH_LDAP_USER_ATTR_MAP = {
    "first_name": "givenName",
    "last_name": "sn",
    "email": "mail"
}
AUTH_LDAP_USER_FLAGS_BY_GROUP = {
    "is_staff": [u"CN=stash-users,OU=stash,OU=applications,DC=hq,DC=bc"]
}
AUTH_LDAP_FIND_GROUP_PERMS = True