fasjson's Introduction

Fedora Account System / IPA JSON gateway

PROOF OF CONCEPT

Installation

Install dependencies

dnf install ipa-client httpd mod_auth_gssapi mod_session python3-mod_wsgi python3-dns python3-flask python3-gssapi python3-ldap python3-pip python3-wheel

Install WSGI app

pip-3 install .
cp fasjson.wsgi /srv/

Enroll the system as an IPA client

$ ipa-client-install

Get service keytab for HTTPd

ipa service-add HTTP/$(hostname)
ipa-getkeytab -p HTTP/$(hostname) -k /var/lib/gssproxy/httpd.keytab
chown root:root /var/lib/gssproxy/httpd.keytab
chmod 640 /var/lib/gssproxy/httpd.keytab

Configure GSSProxy for Apache

cp config/gssproxy-fasjson.conf /etc/gssproxy/99-fasjson.conf
systemctl enable gssproxy.service
systemctl restart gssproxy.service

Configure temporary files

cp config/tmpfiles-fasjson.conf /etc/tmpfiles.d/fasjson.conf
systemd-tmpfiles --create

Tune SELinux Policy

setsebool -P httpd_can_connect_ldap=on

Configure Apache

mkdir mkdir -p /etc/systemd/system/httpd.service.d
cp config/systemd-httpd-service-fasjson.conf /etc/systemd/system/httpd.service.d/fasjson.conf
cp config/httpd-fasjson.conf /etc/httpd/conf.d/fasjson.conf
systemctl daemon-reload
systemctl enable httpd.service
systemctl restart httpd.service

Usage

$ kinit
$ curl --negotiate -u : http://$(hostname)/fasjson/groups
["admins","ipausers","editors","trust admins"]
$ curl --negotiate -u : http://$(hostname)/fasjson/group/admins
["admin"]
$ curl --negotiate -u : http://$(hostname)/fasjson/user/admin
{"gecos":"Administrator"}