310 lines
11 KiB
Python
310 lines
11 KiB
Python
|
|
from authlib.integrations.base_client.errors import MissingTokenError, InvalidTokenError
|
|
from base64 import b64encode, b64decode
|
|
from fido2 import cbor
|
|
from fido2.client import ClientData
|
|
from fido2.ctap2 import AttestationObject, AttestedCredentialData, AuthenticatorData
|
|
from flask import Blueprint, Response, redirect, request
|
|
from flask import current_app
|
|
from flask import jsonify, session, flash
|
|
from flask import render_template, url_for
|
|
from flask_login import login_user, logout_user, current_user
|
|
from http import HTTPStatus
|
|
from werkzeug.utils import redirect
|
|
import logging
|
|
from datetime import timedelta
|
|
from base64 import b64decode
|
|
from flask.typing import ResponseReturnValue
|
|
from oauthlib.oauth2.rfc6749.errors import TokenExpiredError
|
|
from ory_hydra_client.api.admin import list_subject_consent_sessions, revoke_consent_sessions
|
|
from ory_hydra_client.models import GenericError
|
|
from urllib.parse import urlencode, parse_qs
|
|
from random import SystemRandom
|
|
import string
|
|
from typing import Optional
|
|
|
|
from ..model import db, User, SecurityUser, Totp, WebauthnCredential
|
|
from ..form.frontend import ClientCertForm, TOTPForm, \
|
|
TOTPDeleteForm, PasswordChangeForm, WebauthnRegisterForm
|
|
from ..form.base import ButtonForm
|
|
from ..auth_providers import LdapAuthProvider
|
|
from .auth import webauthn
|
|
from .oauth2 import redirect_login, oauth2
|
|
from ..hydra import hydra_service
|
|
from ..pki import pki
|
|
from ..lenticular_services import lenticular_services
|
|
|
|
frontend_views = Blueprint('frontend', __name__, url_prefix='')
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
def before_request() -> Optional[ResponseReturnValue]:
|
|
try:
|
|
resp = oauth2.custom.get('/userinfo')
|
|
if not current_user.is_authenticated or resp.status_code != 200:
|
|
logger.info('user not logged in redirect')
|
|
return redirect_login()
|
|
except MissingTokenError:
|
|
logger.info('MissingTokenError redirect user to login')
|
|
return redirect_login()
|
|
except InvalidTokenError:
|
|
logger.info('InvalidTokenError redirect user to login')
|
|
return redirect_login()
|
|
|
|
return None
|
|
|
|
|
|
frontend_views.before_request(before_request)
|
|
|
|
|
|
@frontend_views.route('/logout')
|
|
def logout() -> ResponseReturnValue:
|
|
logout_user()
|
|
return redirect(
|
|
f'{current_app.config["HYDRA_PUBLIC_URL"]}/oauth2/sessions/logout')
|
|
|
|
|
|
@frontend_views.route('/', methods=['GET'])
|
|
def index() -> ResponseReturnValue:
|
|
if 'next_url' in session:
|
|
next_url = session['next_url']
|
|
del session['next_url']
|
|
return redirect(next_url)
|
|
return render_template('frontend/index.html.j2')
|
|
|
|
|
|
@frontend_views.route('/client_cert')
|
|
def client_cert() -> ResponseReturnValue:
|
|
client_certs = {}
|
|
for service in lenticular_services.values():
|
|
client_certs[str(service.name)] = \
|
|
pki.get_client_certs(current_user, service)
|
|
|
|
return render_template(
|
|
'frontend/client_cert.html.j2',
|
|
services=lenticular_services,
|
|
client_certs=client_certs)
|
|
|
|
|
|
@frontend_views.route('/client_cert/<service_name>/<serial_number>')
|
|
def get_client_cert(service_name, serial_number) -> ResponseReturnValue:
|
|
service = lenticular_services[service_name]
|
|
cert = pki.get_client_cert(
|
|
current_user, service, serial_number)
|
|
return jsonify({
|
|
'data': {
|
|
'pem': cert.pem()}
|
|
})
|
|
|
|
|
|
@frontend_views.route(
|
|
'/client_cert/<service_name>/<serial_number>', methods=['DELETE'])
|
|
def revoke_client_cert(service_name, serial_number) -> ResponseReturnValue:
|
|
service = lenticular_services[service_name]
|
|
cert = pki.get_client_cert(
|
|
current_user, service, serial_number)
|
|
pki.revoke_certificate(cert)
|
|
return jsonify({})
|
|
|
|
|
|
@frontend_views.route(
|
|
'/client_cert/<service_name>/new',
|
|
methods=['GET', 'POST'])
|
|
def client_cert_new(service_name) -> ResponseReturnValue:
|
|
service = lenticular_services[service_name]
|
|
form = ClientCertForm()
|
|
if form.validate_on_submit():
|
|
valid_time = int(form.data['valid_time']) * timedelta(1, 0, 0)
|
|
cert = pki.signing_publickey(
|
|
current_user,
|
|
service,
|
|
form.data['publickey'],
|
|
valid_time=valid_time)
|
|
return jsonify({
|
|
'status': 'ok',
|
|
'data': {
|
|
'cert': cert.pem(),
|
|
'ca_cert': pki.get_ca_cert_pem(service)
|
|
}})
|
|
elif form.is_submitted():
|
|
return jsonify({
|
|
'status': 'error',
|
|
'errors': form.errors
|
|
})
|
|
|
|
return render_template(
|
|
'frontend/client_cert_new.html.j2',
|
|
service=service,
|
|
form=form)
|
|
|
|
@frontend_views.route('/app_token')
|
|
def app_token() -> ResponseReturnValue:
|
|
delete_form = TOTPDeleteForm()
|
|
return render_template('frontend/app_token.html.j2', delete_form=delete_form)
|
|
|
|
@frontend_views.route('/app_token/<service_name>/new')
|
|
def app_token_new(service_name: str) -> ResponseReturnValue:
|
|
return
|
|
|
|
@frontend_views.route('/app_token/<service_name>/<token_name>')
|
|
def app_token_delete(service_name: str, token_name: str) -> ResponseReturnValue:
|
|
return
|
|
|
|
@frontend_views.route('/totp')
|
|
def totp() -> ResponseReturnValue:
|
|
delete_form = TOTPDeleteForm()
|
|
return render_template('frontend/totp.html.j2', delete_form=delete_form)
|
|
|
|
|
|
@frontend_views.route('/totp/new', methods=['GET', 'POST'])
|
|
def totp_new() -> ResponseReturnValue:
|
|
form = TOTPForm()
|
|
|
|
if form.validate_on_submit():
|
|
totp = Totp(name=form.data['name'], secret=form.data['secret'])
|
|
if totp.verify(form.data['token']):
|
|
current_user.totps.append(totp)
|
|
db.session.commit()
|
|
return jsonify({
|
|
'status': 'ok'})
|
|
else:
|
|
return jsonify({
|
|
'status': 'error',
|
|
'errors': [
|
|
'TOTP Token invalid'
|
|
]})
|
|
return render_template('frontend/totp_new.html.j2', form=form)
|
|
|
|
|
|
@frontend_views.route('/totp/<totp_name>/delete', methods=['GET', 'POST'])
|
|
def totp_delete(totp_name) -> ResponseReturnValue:
|
|
totp = Totp.query.filter(Totp.name == totp_name).first()
|
|
db.session.delete(totp)
|
|
db.session.commit()
|
|
|
|
return jsonify({
|
|
'status': 'ok'})
|
|
|
|
|
|
@frontend_views.route('/webauthn/list', methods=['GET'])
|
|
def webauthn_list_route() -> ResponseReturnValue:
|
|
"""list registered credentials for current user"""
|
|
|
|
creds = WebauthnCredential.query.all()
|
|
return render_template('frontend/webauthn_list.html', creds=creds, button_form=ButtonForm())
|
|
|
|
|
|
@frontend_views.route('/webauthn/delete/<webauthn_id>', methods=['POST'])
|
|
def webauthn_delete_route(webauthn_id: str) -> ResponseReturnValue:
|
|
"""delete registered credential"""
|
|
|
|
form = ButtonForm()
|
|
if form.validate_on_submit():
|
|
cred = WebauthnCredential.query.filter(WebauthnCredential.id == webauthn_id).one()
|
|
db.session.delete(cred)
|
|
db.session.commit()
|
|
return redirect(url_for('app.webauthn_list_route'))
|
|
|
|
return '', HTTPStatus.BAD_REQUEST
|
|
|
|
|
|
|
|
def webauthn_credentials(user: User) -> list[AttestedCredentialData]:
|
|
"""get and decode all credentials for given user"""
|
|
return [AttestedCredentialData.create(**cbor.decode(cred.credential_data)) for cred in user.webauthn_credentials]
|
|
|
|
|
|
def random_string(length=32) -> str:
|
|
"""generates random string"""
|
|
return ''.join([SystemRandom().choice(string.ascii_letters + string.digits) for i in range(length)])
|
|
|
|
|
|
@frontend_views.route('/webauthn/pkcco', methods=['POST'])
|
|
def webauthn_pkcco_route() -> ResponseReturnValue:
|
|
"""get publicKeyCredentialCreationOptions"""
|
|
|
|
user = User.query.get(current_user.id)
|
|
user_handle = random_string()
|
|
exclude_credentials = webauthn_credentials(user)
|
|
pkcco, state = webauthn.register_begin(
|
|
{'id': user_handle.encode('utf-8'), 'name': user.username, 'displayName': user.username},
|
|
exclude_credentials)
|
|
session['webauthn_register_user_handle'] = user_handle
|
|
session['webauthn_register_state'] = state
|
|
return Response(b64encode(cbor.encode(pkcco)).decode('utf-8'), mimetype='text/plain')
|
|
|
|
|
|
@frontend_views.route('/webauthn/register', methods=['GET', 'POST'])
|
|
def webauthn_register_route() -> ResponseReturnValue:
|
|
"""register credential for current user"""
|
|
|
|
user = User.query.get(current_user.id)
|
|
form = WebauthnRegisterForm()
|
|
if form.validate_on_submit():
|
|
try:
|
|
attestation = cbor.decode(b64decode(form.attestation.data))
|
|
auth_data = webauthn.register_complete(
|
|
session.pop('webauthn_register_state'),
|
|
ClientData(attestation['clientDataJSON']),
|
|
AttestationObject(attestation['attestationObject']))
|
|
|
|
db.session.add(WebauthnCredential(
|
|
user_id=user.id,
|
|
user_handle=session.pop('webauthn_register_user_handle'),
|
|
credential_data=cbor.encode(auth_data.credential_data.__dict__),
|
|
name=form.name.data))
|
|
db.session.commit()
|
|
|
|
return redirect(url_for('app.webauthn_list_route'))
|
|
except (KeyError, ValueError) as e:
|
|
logger.exception(e)
|
|
flash('Error during registration.', 'error')
|
|
|
|
return render_template('frontend/webauthn_register.html', form=form)
|
|
|
|
|
|
@frontend_views.route('/password_change')
|
|
def password_change() -> ResponseReturnValue:
|
|
form = PasswordChangeForm()
|
|
return render_template('frontend/password_change.html.j2', form=form)
|
|
|
|
|
|
@frontend_views.route('/password_change', methods=['POST'])
|
|
def password_change_post() -> ResponseReturnValue:
|
|
form = PasswordChangeForm()
|
|
if form.validate():
|
|
password_old = str(form.data['password_old'])
|
|
password_new = str(form.data['password_new'])
|
|
if not LdapAuthProvider.check_auth_internal(
|
|
current_user, password_old):
|
|
return jsonify(
|
|
{'errors': {'password_old': 'Old Password is invalid'}})
|
|
resp = current_user.change_password(password_new)
|
|
if resp:
|
|
return jsonify({})
|
|
else:
|
|
return jsonify({'errors': {'internal': 'internal server errror'}})
|
|
return jsonify({'errors': form.errors})
|
|
|
|
|
|
@frontend_views.route('/oauth2_token')
|
|
async def oauth2_tokens() -> ResponseReturnValue:
|
|
|
|
subject = oauth2.custom.get('/userinfo').json()['sub']
|
|
consent_sessions = await list_subject_consent_sessions.asyncio(subject=subject, _client=hydra_service.hydra_client)
|
|
if consent_sessions is None or isinstance( consent_sessions, GenericError):
|
|
return 'internal error, could not fetch sessions', 500
|
|
return render_template(
|
|
'frontend/oauth2_tokens.html.j2',
|
|
consent_sessions=consent_sessions)
|
|
|
|
|
|
@frontend_views.route('/oauth2_token/<client_id>', methods=['DELETE'])
|
|
async def oauth2_token_revoke(client_id: str) -> ResponseReturnValue:
|
|
subject = oauth2.session.get('/userinfo').json()['sub']
|
|
await revoke_consent_sessions.asyncio( _client=hydra_service.hydra_client,
|
|
subject=subject,
|
|
client=client_id)
|
|
|
|
return jsonify({})
|