lenticular_cloud2/lenticular_cloud/views/auth.py
2020-06-21 13:58:57 +02:00

180 lines
6.2 KiB
Python

from urllib.parse import urlencode, parse_qs
import flask
from flask import Blueprint, redirect
from flask import current_app, session
from flask.templating import render_template
from flask_babel import gettext
from flask import request, url_for, jsonify
from flask_login import login_required, login_user, logout_user, current_user
import logging
from urllib.parse import urlparse
from base64 import b64decode, b64encode
import http
import crypt
import ory_hydra_client
from datetime import datetime
import logging
from ..model import db, User, SecurityUser, UserSignUp
from ..form.auth import ConsentForm, LoginForm, RegistrationForm
from ..auth_providers import AUTH_PROVIDER_LIST
logger = logging.getLogger(__name__)
auth_views = Blueprint('auth', __name__, url_prefix='/auth')
@auth_views.route('/consent', methods=['GET', 'POST'])
def consent():
"""Always grant consent."""
# DUMMPY ONLY
form = ConsentForm()
remember_for = 60*60*24*30 # remember for 7 days
try:
consent_request = current_app.hydra_api.get_consent_request(
request.args['consent_challenge'])
except ory_hydra_client.exceptions.ApiValueError:
logger.info('ory exception - could not fetch user data ApiValueError')
return redirect(url_for('frontend.index'))
except ory_hydra_client.exceptions.ApiException:
logger.exception('ory exception - could not fetch user data')
return redirect(url_for('frontend.index'))
requested_scope = consent_request.requested_scope
requested_audiences = consent_request.requested_access_token_audience
if form.validate_on_submit() or consent_request.skip:
user = User.query.get(consent_request.subject)
token_data = {
'name': str(user.username),
'preferred_username': str(user.username),
'email': str(user.email),
'email_verified': True,
'groups': [group.name for group in user.groups]
}
id_token_data = {}
if 'openid' in requested_scope:
id_token_data = token_data
resp = current_app.hydra_api.accept_consent_request(
consent_request.challenge, body={
'grant_scope': requested_scope,
'grant_access_token_audience': requested_audiences,
'remember': form.data['remember'],
'remember_for': remember_for,
'session': {
'access_token': token_data,
'id_token': id_token_data
}
})
return redirect(resp.redirect_to)
return render_template(
'auth/consent.html.j2',
form=form,
client=consent_request.client,
requested_scope=requested_scope,
requested_audiences=requested_audiences)
@auth_views.route('/login', methods=['GET', 'POST'])
def login():
login_challenge = request.args.get('login_challenge')
try:
login_request = current_app.hydra_api.get_login_request(login_challenge)
except ory_hydra_client.exceptions.ApiException:
return redirect(url_for('frontend.index'))
if login_request.skip:
resp = current_app.hydra_api.accept_login_request(
login_challenge,
body={'subject': login_request.subject})
return redirect(resp.redirect_to)
form = LoginForm()
if form.validate_on_submit():
user = User.query_().by_username(form.data['name'])
if user:
session['username'] = str(user.username)
else:
session['user'] = None
session['auth_providers'] = []
return redirect(
url_for('auth.login_auth', login_challenge=login_challenge))
return render_template('auth/login.html.j2', form=form)
@auth_views.route('/login/auth', methods=['GET', 'POST'])
def login_auth():
login_challenge = request.args.get('login_challenge')
try:
login_request = current_app.hydra_api.get_login_request(login_challenge)
except ory_hydra_client.exceptions.ApiValueError:
return redirect(url_for('frontend.index'))
if 'username' not in session:
return redirect(url_for('auth.login'))
auth_forms = {}
user = User.query_().by_username(session['username'])
for auth_provider in AUTH_PROVIDER_LIST:
form = auth_provider.get_form()
if auth_provider.get_name() not in session['auth_providers'] and\
auth_provider.check_auth(user, form):
session['auth_providers'].append(auth_provider.get_name())
if auth_provider.get_name() not in session['auth_providers']:
auth_forms[auth_provider.get_name()]=form
if len(session['auth_providers']) >= 2:
remember_me = True
# if db_user is None:
# db_user = User(username=session['username'])
# db.session.add(db_user)
# db.session.commit()
subject = user.id
user.last_login = datetime.now()
db.session.commit()
resp = current_app.hydra_api.accept_login_request(
login_challenge, body={
'subject': subject,
'remember': remember_me,
})
return redirect(resp.redirect_to)
return render_template('auth/login_auth.html.j2', forms=auth_forms)
@auth_views.route("/logout")
def logout():
logout_challenge = request.args.get('logout_challenge')
logout_request = current_app.hydra_api.get_logout_request(logout_challenge)
resp = current_app.hydra_api.accept_logout_request(logout_challenge)
# TODO confirm
return redirect(resp.redirect_to)
@auth_views.route("/sign_up", methods=["GET"])
def sign_up():
form = RegistrationForm()
return render_template('auth/sign_up.html.j2', form=form)
@auth_views.route("/sign_up", methods=["POST"])
def sign_up_submit():
form = RegistrationForm()
if form.validate_on_submit():
user = UserSignUp()
user.username = form.data['username']
user.password = crypt.crypt(form.data['password'])
user.alternative_email = form.data['alternative_email']
db.session.add(user)
db.session.commit()
return jsonify({})
return jsonify({
'status': 'error',
'errors': form.errors
})