UserFerwaltungsFrontend: Ldap based single sign on and user management web software
Project description
uffd
This is the UserFerwaltungsFrontend. A web service to manage LDAP users, groups and permissions.
Development chat: #uffd-development
dependencies
- python3
- python3-ldap3
- python3-flask
- python3-flask-sqlalchemy
- python3-flask-migrate
- python3-qrcode
- python3-fido2 (version 0.5.0, optional)
- python3-flask-oauthlib
- python3-flask-babel
Some of the dependencies (especially fido2 and flask-oauthlib) changed their API in recent versions, so make sure to install the versions from Debian Buster.
You can also use virtualenv with the supplied requirements.txt.
development
Clone this repository with the --recurse-submodules flag to retrieve submodule dependencies.
Before running uffd, you need to create the database with flask db upgrade. The database is placed in
instance/uffd.sqlit3.
Then use flask run to start the application:
FLASK_APP=uffd flask db upgrade
FLASK_APP=uffd FLASK_ENV=development flask run
During development, you may want to enable LDAP mocking, as you otherwise need to have access to an actual LDAP server with the required schema.
You can do so by setting LDAP_SERVICE_MOCK=True in the config.
Afterwards you can login as a normal user with "testuser" and "userpassword", or as an admin with "testadmin" and "adminpassword".
Please note that the mocked LDAP functionality is very limited and many uffd features do not work correctly without a real LDAP server.
deployment
Use uwsgi. Make sure to run flask db upgrade after every update!
example uwsgi config
[uwsgi]
plugin = python3
env = PYTHONIOENCODING=UTF-8
env = LANG=en_GB.utf8
env = TZ=Europe/Berlin
manage-script-name = true
chdir = /var/www/uffd
module = uffd:create_app()
uid = uffd
gid = uffd
vacuum = true
die-on-term = true
hook-pre-app = exec:FLASK_APP=uffd flask db upgrade
python style conventions
PEP 8 without double new lines, tabs instead of spaces and a max line length of 160 characters.
Config
Uffd reads its default config from uffd/default_config.cfg.
You can overwrite config variables by creating a config file in the instance folder.
The file must be named conifg.cfg (Python syntax), config.json or config.yml/config.yaml.
You can also set a custom file name with the environment variable CONFIG_FILENAME.
Bind with service account or as user?
Uffd can use a dedicated service account for LDAP operations by setting LDAP_SERVICE_BIND_DN.
Leave that variable blank to use anonymouse bind.
Or set LDAP_SERVICE_USER_BIND to use the credentials of the currently logged in user.
If you choose to run with user credentials, some features are not available, like password resets or self signup, since in both cases, no user credentials can exist.
OAuth2 Single-Sign-On Provider
Other services can use uffd as an OAuth2.0-based authentication provider. The required credentials (client_id, client_secret and redirect_uris) for these services are defined in the config. The services need to be setup to use the following URLs with the Authorization Code Flow:
/oauth2/authorize: authorization endpoint/oauth2/token: token request endpoint/oauth2/userinfo: endpoint that provides information about the current user
The userinfo endpoint returns json data with the following structure:
{
"id": 10000,
"name": "Test User",
"nickname": "testuser"
"email": "testuser@example.com",
"ldap_dn": "uid=testuser,ou=users,dc=example,dc=com",
"groups": [
"uffd_access",
"users"
],
}
id is the uidNumber, name the display name (cn) and nickname the uid of the user's LDAP object.
Translation
The web frontend is translated in the following Languages:
The selection uses the language browser header by default but can be overwritten via a UI element. You can specify the availble languages in the config.
License
GNU Affero General Public License v3.0, see LICENSE.
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