Eos/eosweb/redditauth/main.py

78 lines
2.5 KiB
Python

# Eos - Verifiable elections
# Copyright © 2017-18 RunasSudo (Yingtong Li)
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from flask_oauthlib.client import OAuth
import flask
from eos.redditauth.election import *
import base64
import uuid
blueprint = flask.Blueprint('eosweb.redditauth', __name__)
app = None
oauth = None
reddit = None
@blueprint.record
def reddit_register(setup_state):
global app, oauth, reddit
app = setup_state.app
oauth = OAuth()
reddit = oauth.remote_app('Reddit',
request_token_url=None,
authorize_url='https://www.reddit.com/api/v1/authorize.compact',
request_token_params={'duration': 'temporary', 'scope': 'identity'},
access_token_url='https://www.reddit.com/api/v1/access_token',
access_token_method='POST',
access_token_headers={
'Authorization': 'Basic ' + base64.b64encode('{}:{}'.format(app.config['REDDIT_OAUTH_CLIENT_ID'], app.config['REDDIT_OAUTH_CLIENT_SECRET']).encode('ascii')).decode('ascii'),
'User-Agent': app.config['REDDIT_USER_AGENT']
},
consumer_key=app.config['REDDIT_OAUTH_CLIENT_ID'],
consumer_secret=app.config['REDDIT_OAUTH_CLIENT_SECRET']
)
@reddit.tokengetter
def get_reddit_oauth_token():
return (flask.session.get('user').oauth_token, '')
@blueprint.route('/auth/reddit/login')
def reddit_login():
return reddit.authorize(callback=app.config['BASE_URI'] + flask.url_for('eosweb.redditauth.reddit_oauth_authorized'), state=uuid.uuid4())
@blueprint.route('/auth/reddit/oauth_callback')
def reddit_oauth_authorized():
resp = reddit.authorized_response()
if resp is None:
# Request denied
return flask.redirect(flask.url_for('login_cancelled'))
user = RedditUser()
user.oauth_token = resp['access_token']
flask.session['user'] = user
me = reddit.get('https://oauth.reddit.com/api/v1/me', headers={
'User-Agent': app.config['REDDIT_USER_AGENT']
})
user.username = me.data['name']
return flask.redirect(flask.url_for('login_complete'))