lenticular_cloud2/lenticular_cloud/views/frontend.py

259 lines
8.3 KiB
Python

from urllib.parse import urlencode, parse_qs
import flask
from flask import Blueprint, redirect
from flask import current_app, session
from flask import jsonify, send_file
from flask.helpers import make_response
from flask.templating import render_template
from oic.oic.message import TokenErrorResponse, UserInfoErrorResponse, EndSessionRequest
from pyop.access_token import AccessToken, BearerTokenError
from pyop.exceptions import InvalidAuthenticationRequest, InvalidAccessToken, InvalidClientAuthentication, OAuthError, \
InvalidSubjectIdentifier, InvalidClientRegistrationRequest
from pyop.util import should_fragment_encode
from flask import Blueprint, render_template, request, url_for, flash
from flask_login import login_required, login_user, logout_user, current_user
from werkzeug.utils import redirect
import logging
from datetime import timedelta
import pyotp
from base64 import b64decode, b64encode
from flask_dance.consumer import oauth_authorized
from sqlalchemy.orm.exc import NoResultFound
from flask_dance.consumer import OAuth2ConsumerBlueprint
from ..model import User, SecurityUser, Totp
from ..model_db import OAuth, db, User as DbUser
from ..form.frontend import ClientCertForm, TOTPForm, TOTPDeleteForm, PasswordChangeForm
from ..auth_providers import AUTH_PROVIDER_LIST
frontend_views = Blueprint('frontend', __name__, url_prefix='')
def init_login_manager(app):
@app.login_manager.user_loader
def user_loader(username):
return User.query().by_username(username)
@app.login_manager.request_loader
def request_loader(request):
pass
@app.login_manager.unauthorized_handler
def unauthorized():
return redirect(url_for('oauth.login'))
base_url = app.config['HYDRA_PUBLIC_URL']
example_blueprint = OAuth2ConsumerBlueprint(
"oauth", __name__,
client_id=app.config['OAUTH_ID'],
client_secret=app.config['OAUTH_SECRET'],
base_url=base_url,
token_url=f"{base_url}/oauth2/token",
authorization_url=f"{base_url}/oauth2/auth",
scope=['openid', 'profile', 'manage']
)
app.register_blueprint(example_blueprint, url_prefix="/")
app.oauth = example_blueprint
@oauth_authorized.connect_via(app.oauth)
def github_logged_in(blueprint, token):
if not token:
flash("Failed to log in.", category="error")
return False
print(f'debug ---------------{token}')
resp = blueprint.session.get("/userinfo")
if not resp.ok:
msg = "Failed to fetch user info from GitHub."
flash(msg, category="error")
return False
oauth_info = resp.json()
db_user = DbUser.query.get(str(oauth_info["sub"]))
oauth_username = db_user.username
# Find this OAuth token in the database, or create it
query = OAuth.query.filter_by(
provider=blueprint.name,
provider_username=oauth_username,
)
try:
oauth = query.one()
except NoResultFound:
oauth = OAuth(
provider=blueprint.name,
provider_username=oauth_username,
token=token,
)
login_user(SecurityUser(oauth.provider_username))
#flash("Successfully signed in with GitHub.")
# Since we're manually creating the OAuth model in the database,
# we should return False so that Flask-Dance knows that
# it doesn't have to do it. If we don't return False, the OAuth token
# could be saved twice, or Flask-Dance could throw an error when
# trying to incorrectly save it for us.
return True
@frontend_views.route('/logout')
def logout():
logout_user()
return redirect(f'{current_app.config["HYDRA_PUBLIC_URL"]}/oauth2/sessions/logout')
@frontend_views.route('/', methods=['GET'])
@login_required
def index():
return render_template('frontend/index.html.j2')
@frontend_views.route('/client_cert')
@login_required
def client_cert():
client_certs = {}
for service in current_app.lenticular_services.values():
client_certs[str(service.name)] = current_app.pki.get_client_certs(current_user, service)
return render_template('frontend/client_cert.html.j2', services=current_app.lenticular_services, client_certs=client_certs)
@frontend_views.route('/client_cert/<service_name>/<serial_number>')
@login_required
def get_client_cert(service_name, serial_number):
service = current_app.lenticular_services[service_name]
cert = current_app.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'])
@login_required
def revoke_client_cert(service_name, serial_number):
service = current_app.lenticular_services[service_name]
cert = current_app.pki.get_client_cert(
current_user, service, serial_number)
current_app.pki.revoke_certificate(cert)
return jsonify({})
@frontend_views.route(
'/client_cert/<service_name>/new',
methods=['GET', 'POST'])
@login_required
def client_cert_new(service_name):
service = current_app.lenticular_services[service_name]
form = ClientCertForm()
if form.validate_on_submit():
valid_time = int(form.data['valid_time']) * timedelta(1, 0, 0)
cert = current_app.pki.signing_publickey(
current_user,
service,
form.data['publickey'],
valid_time=valid_time)
return jsonify({
'status': 'ok',
'data': {
'cert': cert.pem(),
'ca_cert': current_app.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('/totp')
@login_required
def totp():
delete_form = TOTPDeleteForm()
return render_template('frontend/totp.html.j2', delete_form=delete_form)
@frontend_views.route('/totp/new', methods=['GET', 'POST'])
@login_required
def totp_new():
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.make_writeable()
current_user.totps.append(totp)
current_user._ldap_object.entry_commit_changes()
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'])
@login_required
def totp_delete(totp_name):
current_user.make_writeable()
current_user.totps.delete(totp_name)
current_user._ldap_object.entry_commit_changes()
return jsonify({
'status': 'ok'})
@frontend_views.route('/password_change')
@login_required
def password_change():
form = PasswordChangeForm()
return render_template('frontend/password_change.html.j2', form=form)
@frontend_views.route('/password_change', methods=['POST'])
@login_required
def password_change_post():
form = PasswordChangeForm()
if form.validate():
return jsonify({})
return jsonify({'errors': form.errors})
@frontend_views.route('/oauth2_token')
@login_required
def oauth2_tokens():
subject = current_app.oauth.session.get('/userinfo').json()['sub']
consent_sessions = current_app.hydra_api.list_subject_consent_sessions(
subject)
return render_template('frontend/oauth2_tokens.html.j2', consent_sessions=consent_sessions)
@frontend_views.route('/oauth2_token/<client_id>', methods=['DELETE'])
@login_required
def oauth2_token_revoke(client_id: str):
subject = current_app.oauth.session.get('/userinfo').json()['sub']
current_app.hydra_api.revoke_consent_sessions(
subject,
client=client_id)
return jsonify({})