update readme and completed auth flask apps

Author: mattmakai

.gitignore

@@ -98,3 +98,4 @@ monitor-django-apps/djmonitor/db.sqlite3
 # Flask auth Okta post
 flask-auth-okta/openidconnect_secrets.json
 flask-auth-okta/.env
+auth-existing-flask-app/completed/openidconnect_secrets.json

README.md

@@ -7,6 +7,8 @@ Posts and associated code:
 
 |Post|Code Directory|
 |---|---|
+|[Fresh Tutorials on Full Stack Python](https://www.fullstackpython.com/blog/fresh-tutorials-october-2018.html)|No code in post.|
+|[How to Provision Ubuntu 18.04 LTS Linux Servers on DigitalOcean](https://www.fullstackpython.com/blog/provision-ubuntu-1804-linux-servers-digitalocean.html)|No code in post.|
 |[How to Add User Authentication to Flask Apps with Okta](https://www.fullstackpython.com/blog/add-user-authentication-flask-apps-okta.html)|[flask-auth-okta](./flask-auth-okta)|
 |[Running Bottle Apps in Docker Containers on macOS](https://www.fullstackpython.com/blog/first-steps-bottle-web-apps-docker-containers.html)|[docker-bottle-mac](./docker-bottle-mac)|
 |[How to Add Maps to Django Web App Projects with Mapbox](https://www.fullstackpython.com/blog/maps-django-web-applications-projects-mapbox.html)|[maps-django-mapbox](./maps-django-mapbox)|

auth-existing-flask-app/completed/app/__init__.py

@@ -0,0 +1,31 @@
+import redis
+from os import environ
+from flask import Flask
+from app.utils import make_celery
+from config import Config
+from flask_sqlalchemy import SQLAlchemy
+from flask_migrate import Migrate
+from flask_oidc import OpenIDConnect
+from okta import UsersClient
+
+
+app = Flask(__name__, static_url_path='/static')
+app.config.from_object(Config)
+db = SQLAlchemy(app)
+migrate = Migrate(app, db) 
+
+# connect to Redis instance
+redis_db = redis.StrictRedis(host=app.config['REDIS_SERVER'],
+                             port=app.config['REDIS_PORT'],
+                             db=app.config['REDIS_DB'])
+celery = make_celery(app)
+
+
+# instantiate OpenID client to handle user session
+oidc = OpenIDConnect(app)
+# Okta client will determine if a user has an appropriate account
+okta_client = UsersClient(environ.get("OKTA_ORG_URL"),
+                          environ.get("OKTA_AUTH_TOKEN"))
+
+
+from app import routes

auth-existing-flask-app/completed/app/models.py

@@ -0,0 +1,44 @@
+from flask import send_from_directory, render_template
+from flask import redirect, g
+from app import app, oidc, okta_client
+
+
+@app.before_request
+def before_request():
+    if oidc.user_loggedin:
+        g.user = okta_client.get_user(oidc.user_getfield("sub"))
+    else:
+        g.user = None
+
+
+@app.route('/js/<path:path>')
+def send_js(path):
+    return send_from_directory('js', path)
+
+
+@app.route('/css/<path:path>')
+def send_css(path):
+    return send_from_directory('css', path)
+
+
+@app.route("/")
+def dashboard():
+    return render_template('dashboard.html')
+
+
+@app.route("/repositories")
+@oidc.require_login
+def repositories():
+    return render_template('repositories.html')
+
+
+@app.route("/login")
+@oidc.require_login
+def login():
+    return redirect(url_for(".repositories"))
+
+
+@app.route("/logout")
+def logout():
+    oidc.logout()
+    return redirect(url_for(".landing_page"))