mirror of
https://github.com/simple-login/app.git
synced 2024-11-14 08:01:13 +01:00
89 lines
3 KiB
Python
89 lines
3 KiB
Python
"""
|
|
This is an example on how to integrate SimpleLogin
|
|
with Requests-OAuthlib, a popular library to work with OAuth in Python.
|
|
The step-to-step guide can be found on https://docs.simplelogin.io
|
|
This example is based on
|
|
https://requests-oauthlib.readthedocs.io/en/latest/examples/real_world_example.html
|
|
"""
|
|
import os
|
|
|
|
from flask import Flask, request, redirect, session, url_for
|
|
from flask.json import jsonify
|
|
from requests_oauthlib import OAuth2Session
|
|
|
|
app = Flask(__name__)
|
|
|
|
# this demo uses flask.session that requires the `secret_key` to be set
|
|
app.secret_key = "very secret"
|
|
|
|
# "prettify" the returned json in /profile
|
|
app.config["JSONIFY_PRETTYPRINT_REGULAR"] = True
|
|
|
|
# This client credential is obtained upon registration of a new SimpleLogin App on
|
|
# https://app.simplelogin.io/developer/new_client
|
|
# Please make sure to export these credentials to env variables:
|
|
# export CLIENT_ID={your_client_id}
|
|
# export CLIENT_SECRET={your_client_secret}
|
|
client_id = os.environ.get("CLIENT_ID") or "client-id"
|
|
client_secret = os.environ.get("CLIENT_SECRET") or "client-secret"
|
|
|
|
# SimpleLogin urls
|
|
authorization_base_url = "http://localhost:7777/oauth2/authorize"
|
|
token_url = "http://localhost:7777/oauth2/token"
|
|
userinfo_url = "http://localhost:7777/oauth2/userinfo"
|
|
|
|
|
|
@app.route("/")
|
|
def demo():
|
|
"""Step 1: User Authorization.
|
|
Redirect the user/resource owner to the OAuth provider (i.e. SimpleLogin)
|
|
using an URL with a few key OAuth parameters.
|
|
"""
|
|
simplelogin = OAuth2Session(
|
|
client_id, redirect_uri="http://127.0.0.1:5000/callback"
|
|
)
|
|
authorization_url, state = simplelogin.authorization_url(authorization_base_url)
|
|
|
|
# State is used to prevent CSRF, keep this for later.
|
|
session["oauth_state"] = state
|
|
return redirect(authorization_url)
|
|
|
|
|
|
# Step 2: User authorization, this happens on the provider.
|
|
|
|
|
|
@app.route("/callback", methods=["GET"])
|
|
def callback():
|
|
""" Step 3: Retrieving an access token.
|
|
The user has been redirected back from the provider to your registered
|
|
callback URL. With this redirection comes an authorization code included
|
|
in the redirect URL. We will use that to obtain an access token.
|
|
"""
|
|
|
|
simplelogin = OAuth2Session(client_id, state=session["oauth_state"])
|
|
token = simplelogin.fetch_token(
|
|
token_url, client_secret=client_secret, authorization_response=request.url
|
|
)
|
|
|
|
# At this point you can fetch protected resources but lets save
|
|
# the token and show how this is done from a persisted token
|
|
# in /profile.
|
|
session["oauth_token"] = token
|
|
|
|
return redirect(url_for(".profile"))
|
|
|
|
|
|
@app.route("/profile", methods=["GET"])
|
|
def profile():
|
|
"""Fetching a protected resource using an OAuth 2 token.
|
|
"""
|
|
simplelogin = OAuth2Session(client_id, token=session["oauth_token"])
|
|
return jsonify(simplelogin.get(userinfo_url).json())
|
|
|
|
|
|
# This allows us to use a plain HTTP callback
|
|
os.environ["OAUTHLIB_INSECURE_TRANSPORT"] = "1"
|
|
|
|
if __name__ == "__main__":
|
|
app.secret_key = os.urandom(24)
|
|
app.run(debug=True)
|