338 lines
13 KiB
YAML
338 lines
13 KiB
YAML
debug:
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enabled: true
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hub:
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config:
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Authenticator:
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auto_login: true
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enable_auth_state: true
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JupyterHub:
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tornado_settings:
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headers: { 'Content-Security-Policy': "frame-ancestors *;" }
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db:
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pvc:
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storageClassName: csi-sc-cinderplugin
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extraConfig:
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oauthCode: |
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import time
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import requests
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from datetime import datetime
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from oauthenticator.generic import GenericOAuthenticator
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token_url = 'https://' + os.environ['NEXTCLOUD_HOST'] + '/index.php/apps/oauth2/api/v1/token'
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debug = os.environ.get('NEXTCLOUD_DEBUG_OAUTH', 'false').lower() in ['true', '1', 'yes']
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def get_nextcloud_access_token(refresh_token):
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client_id = os.environ['NEXTCLOUD_CLIENT_ID']
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client_secret = os.environ['NEXTCLOUD_CLIENT_SECRET']
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code = refresh_token
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data = {
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'grant_type': 'refresh_token',
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'code': code,
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'refresh_token': refresh_token,
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'client_id': client_id,
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'client_secret': client_secret
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}
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response = requests.post(token_url, data=data)
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if debug:
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print(response.text)
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return response.json()
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def post_auth_hook(authenticator, handler, authentication):
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user = authentication['auth_state']['oauth_user']['ocs']['data']['id']
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auth_state = authentication['auth_state']
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auth_state['token_expires'] = time.time() + auth_state['token_response']['expires_in']
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authentication['auth_state'] = auth_state
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return authentication
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class NextcloudOAuthenticator(GenericOAuthenticator):
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.user_dict = {}
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async def pre_spawn_start(self, user, spawner):
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super().pre_spawn_start(user, spawner)
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auth_state = await user.get_auth_state()
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if not auth_state:
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return
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access_token = auth_state['access_token']
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spawner.environment['NEXTCLOUD_ACCESS_TOKEN'] = access_token
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async def refresh_user(self, user, handler=None):
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auth_state = await user.get_auth_state()
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if not auth_state:
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if debug:
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print(f'auth_state missing for {user}')
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return False
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access_token = auth_state['access_token']
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refresh_token = auth_state['refresh_token']
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token_response = auth_state['token_response']
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now = time.time()
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now_hr = datetime.fromtimestamp(now)
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expires = auth_state['token_expires']
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expires_hr = datetime.fromtimestamp(expires)
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expires = 0
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if debug:
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print(f'auth_state for {user}: {auth_state}')
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if now >= expires:
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if debug:
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print(f'Time is: {now_hr}, token expired: {expires_hr}')
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print(f'Refreshing token for {user}')
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try:
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token_response = get_nextcloud_access_token(refresh_token)
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auth_state['access_token'] = token_response['access_token']
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auth_state['refresh_token'] = token_response['refresh_token']
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auth_state['token_expires'] = now + token_response['expires_in']
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auth_state['token_response'] = token_response
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if debug:
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print(f'Successfully refreshed token for {user.name}')
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print(f'auth_state for {user.name}: {auth_state}')
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return {'name': user.name, 'auth_state': auth_state}
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except Exception as e:
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if debug:
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print(f'Failed to refresh token for {user}')
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return False
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return False
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if debug:
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print(f'Time is: {now_hr}, token expires: {expires_hr}')
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return True
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c.JupyterHub.authenticator_class = NextcloudOAuthenticator
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c.NextcloudOAuthenticator.client_id = os.environ['NEXTCLOUD_CLIENT_ID']
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c.NextcloudOAuthenticator.client_secret = os.environ['NEXTCLOUD_CLIENT_SECRET']
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c.NextcloudOAuthenticator.login_service = 'Sunet Drive'
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c.NextcloudOAuthenticator.username_claim = lambda r: r.get('ocs', {}).get('data', {}).get('id')
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c.NextcloudOAuthenticator.userdata_url = 'https://' + os.environ['NEXTCLOUD_HOST'] + '/ocs/v2.php/cloud/user?format=json'
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c.NextcloudOAuthenticator.authorize_url = 'https://' + os.environ['NEXTCLOUD_HOST'] + '/index.php/apps/oauth2/authorize'
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c.NextcloudOAuthenticator.token_url = token_url
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c.NextcloudOAuthenticator.oauth_callback_url = 'https://' + os.environ['JUPYTER_HOST'] + '/hub/oauth_callback'
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c.NextcloudOAuthenticator.allow_all = True
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c.NextcloudOAuthenticator.refresh_pre_spawn = True
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c.NextcloudOAuthenticator.enable_auth_state = True
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c.NextcloudOAuthenticator.auth_refresh_age = 3600
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c.NextcloudOAuthenticator.post_auth_hook = post_auth_hook
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serviceCode: |
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import sys
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c.JupyterHub.load_roles = [
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{
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"name": "refresh-token",
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"services": [
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"refresh-token"
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],
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"scopes": [
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"read:users",
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"admin:auth_state"
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]
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},
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{
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"name": "user",
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"scopes": [
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"access:services!service=refresh-token",
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"read:services!service=refresh-token",
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"self",
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],
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},
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{
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"name": "server",
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"scopes": [
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"access:services!service=refresh-token",
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"read:services!service=refresh-token",
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"inherit",
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],
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}
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]
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c.JupyterHub.services = [
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{
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'name': 'refresh-token',
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'url': 'http://' + os.environ.get('HUB_SERVICE_HOST', 'hub') + ':' + os.environ.get('HUB_SERVICE_PORT_REFRESH_TOKEN', '8082'),
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'display': False,
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'oauth_no_confirm': True,
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'api_token': os.environ['JUPYTERHUB_API_KEY'],
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'command': [sys.executable, '/usr/local/etc/jupyterhub/refresh-token.py']
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}
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]
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c.JupyterHub.admin_users = {"refresh-token"}
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c.JupyterHub.api_tokens = {
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os.environ['JUPYTERHUB_API_KEY']: "refresh-token",
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}
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extraFiles:
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refresh-token.py:
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mountPath: /usr/local/etc/jupyterhub/refresh-token.py
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stringData: |
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"""A token refresh service authenticating with the Hub.
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This service serves `/services/refresh-token/`,
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authenticated with the Hub,
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showing the user their own info.
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"""
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import json
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import os
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import requests
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import socket
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from jupyterhub.services.auth import HubAuthenticated
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from jupyterhub.utils import url_path_join
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from tornado.httpserver import HTTPServer
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from tornado.ioloop import IOLoop
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from tornado.web import Application, HTTPError, RequestHandler, authenticated
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from urllib.parse import urlparse
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debug = os.environ.get('NEXTCLOUD_DEBUG_OAUTH', 'false').lower() in ['true', '1', 'yes']
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def my_debug(s):
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if debug:
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with open("/proc/1/fd/1", "a") as stdout:
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print(s, file=stdout)
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class RefreshHandler(HubAuthenticated, RequestHandler):
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def api_request(self, method, url, **kwargs):
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my_debug(f'{self.hub_auth}')
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url = url_path_join(self.hub_auth.api_url, url)
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allow_404 = kwargs.pop('allow_404', False)
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headers = kwargs.setdefault('headers', {})
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headers.setdefault('Authorization', f'token {self.hub_auth.api_token}')
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try:
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r = requests.request(method, url, **kwargs)
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except requests.ConnectionError as e:
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my_debug(f'Error connecting to {url}: {e}')
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msg = f'Failed to connect to Hub API at {url}.'
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msg += f' Is the Hub accessible at this URL (from host: {socket.gethostname()})?'
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if '127.0.0.1' in url:
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msg += ' Make sure to set c.JupyterHub.hub_ip to an IP accessible to' + \
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' single-user servers if the servers are not on the same host as the Hub.'
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raise HTTPError(500, msg)
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data = None
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if r.status_code == 404 and allow_404:
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pass
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elif r.status_code == 403:
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my_debug(
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'Lacking permission to check authorization with JupyterHub,' +
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f' my auth token may have expired: [{r.status_code}] {r.reason}'
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)
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my_debug(r.text)
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raise HTTPError(
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500,
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'Permission failure checking authorization, I may need a new token'
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)
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elif r.status_code >= 500:
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my_debug(f'Upstream failure verifying auth token: [{r.status_code}] {r.reason}')
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my_debug(r.text)
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raise HTTPError(
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502, 'Failed to check authorization (upstream problem)')
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elif r.status_code >= 400:
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my_debug(f'Failed to check authorization: [{r.status_code}] {r.reason}')
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my_debug(r.text)
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raise HTTPError(500, 'Failed to check authorization')
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else:
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data = r.json()
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return data
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@authenticated
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def get(self):
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user_model = self.get_current_user()
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# Fetch current auth state
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user_data = self.api_request('GET', url_path_join('users', user_model['name']))
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auth_state = user_data['auth_state']
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access_token = auth_state['access_token']
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token_expires = auth_state['token_expires']
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self.set_header('content-type', 'application/json')
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self.write(json.dumps({'access_token': access_token, 'token_expires': token_expires}, indent=1, sort_keys=True))
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class PingHandler(RequestHandler):
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def get(self):
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my_debug(f"DEBUG: In ping get")
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self.set_header('content-type', 'application/json')
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self.write(json.dumps({'ping': 1}))
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def main():
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app = Application([
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(os.environ['JUPYTERHUB_SERVICE_PREFIX'] + 'tokens', RefreshHandler),
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(os.environ['JUPYTERHUB_SERVICE_PREFIX'] + '/?', PingHandler),
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])
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http_server = HTTPServer(app)
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url = urlparse(os.environ['JUPYTERHUB_SERVICE_URL'])
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http_server.listen(url.port)
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IOLoop.current().start()
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if __name__ == '__main__':
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main()
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networkPolicy:
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ingress:
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- ports:
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- port: 8082
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from:
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- podSelector:
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matchLabels:
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hub.jupyter.org/network-access-hub: "true"
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service:
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extraPorts:
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- port: 8082
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targetPort: 8082
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name: refresh-token
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extraEnv:
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NEXTCLOUD_DEBUG_OAUTH: "no"
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NEXTCLOUD_HOST: su.drive.test.sunet.se
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JUPYTER_HOST: su-jupyter.drive.test.sunet.se
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JUPYTERHUB_API_KEY:
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valueFrom:
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secretKeyRef:
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name: jupyterhub-secrets
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key: api-key
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JUPYTERHUB_CRYPT_KEY:
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valueFrom:
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secretKeyRef:
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name: jupyterhub-secrets
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key: crypt-key
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NEXTCLOUD_CLIENT_ID:
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valueFrom:
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secretKeyRef:
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name: nextcloud-oauth-secrets
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key: client-id
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NEXTCLOUD_CLIENT_SECRET:
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valueFrom:
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secretKeyRef:
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name: nextcloud-oauth-secrets
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key: client-secret
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networkPolicy:
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enabled: false
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proxy:
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chp:
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networkPolicy:
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egress:
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- to:
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- podSelector:
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matchLabels:
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app: jupyterhub
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component: hub
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ports:
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- port: 8082
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singleuser:
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image:
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name: docker.sunet.se/drive/jupyter-custom
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tag: lab-4.0.10-sunet4
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storage:
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dynamic:
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storageClass: csi-sc-cinderplugin
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extraEnv:
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JUPYTER_ENABLE_LAB: "yes"
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JUPYTER_HOST: su-jupyter.drive.test.sunet.se
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NEXTCLOUD_HOST: su.drive.test.sunet.se
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extraFiles:
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jupyter_notebook_config:
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mountPath: /home/jovyan/.jupyter/jupyter_server_config.py
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stringData: |
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import os
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c = get_config()
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c.NotebookApp.allow_origin = '*'
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c.NotebookApp.tornado_settings = {
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'headers': { 'Content-Security-Policy': "frame-ancestors *;" }
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}
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os.system('/usr/local/bin/nc-sync')
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mode: 0644
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