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Overview

This is a demo Django app that uses login.gov for authentication. We're using a forked copy of the mozilla-django-oidc package (see https://mozilla-django-oidc.readthedocs.io/en/stable/index.html) and https://github.com/fecgov/mozilla-django-oidc

Set up app in login.gov dashboard

See https://developers.login.gov/testing/#how-to-get-started and https://developers.login.gov/testing/#creating-a-public-certificate

Set up virtualenv, install requirements

pyenv virtualenv 3.8.12 login-demo
pyenv activate login-demo
pip install -r requirements.txt

Set env var

export OIDC_RP_CLIENT_ID="From login.gov"

Generate private/public key, save to app/login.gov

See login.gov docs for generating these keys. Moving to S3 with fecgov/fecfile-web-api#110

Save private key in a vars.yml file:

vars.yml

---
cert: |
  -----BEGIN PRIVATE KEY-----
  ...
  -----END PRIVATE KEY-----

manifest-dev.yml:

---
applications:
- name: login-demo
  route: login-demo-dev.app.cloud.gov
  buildpacks:
    - python_buildpack
  memory: 512M
  services:
    - login-demo-rds
    - login-creds
  env:
    DISABLE_COLLECTSTATIC: 1
    OIDC_RP_CLIENT_SECRET: ((cert))

Deploy the app with cf push -f manifest-dev.yml --vars-file .vars.yml

Manifests are additive-only, so I removed the cert from the manifest and it will persist unless the app gets deleted.

Source: cloud foundry slack channel: https://cloudfoundry.slack.com/archives/C032824SM/p1587642436080100

Run the site

cd mysite
gunicorn --bind 0.0.0.0:8080 mysite.wsgi -w 9 -t 200

Test login

http://0.0.0.0:8080/simpleapp

Set redirect URI in login.gov

See docs: https://mozilla-django-oidc.readthedocs.io/en/stable/installation.html#acquire-a-client-id-and-client-secret

https://login-demo.app.cloud.gov/oidc/callback/

Deploy to cloud.gov

cf login --sso

target fec-fecfileonline-prototyping, dev space

cf push -f manifest-dev.yml

Set env vars in cloud.gov dashboard

# In dashboard
OIDC_RP_CLIENT_ID="From login.gov"
OIDC_RP_CLIENT_SECRET=`cat private.pem`  # see login.gov docs on how to generate

# In terminal
cf restage login-demo

Create database service

cf create-service aws-rds small-psql-redundant login-demo-rds

Test on cloud.gov

https://login-demo.app.cloud.gov/simpleapp

Create super user

cf ssh login-demo
/tmp/lifecycle/shell
cd mysite
./manage.py createsuperuser