69 lines
1.9 KiB
Python
69 lines
1.9 KiB
Python
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from flask import redirect, url_for, session, jsonify, flash, request
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from flask_login import login_user
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from flask_oauthlib.client import OAuth, OAuthException
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import json
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import requests
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from app import app, db
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from models import User
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oauth = OAuth(app)
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zeus = oauth.remote_app(
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'zeus',
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consumer_key=app.config['ZEUS_KEY'],
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consumer_secret=app.config['ZEUS_SECRET'],
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request_token_params={},
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base_url='https://adams.ugent.be/oauth/api/',
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access_token_method='POST',
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access_token_url='https://adams.ugent.be/oauth/oauth2/token/',
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authorize_url='https://adams.ugent.be/oauth/oauth2/authorize/'
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)
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def zeus_login():
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return zeus.authorize(callback=url_for('authorized', _external=True))
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@app.route('/login/zeus/authorized')
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def authorized():
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resp = zeus.authorized_response()
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if resp is None:
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return 'Access denied: reason=%s error=%s' % (
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request.args['error'],
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request.args['error_description']
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)
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if isinstance(resp, OAuthException):
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return 'Access denied: %s' % resp.message + '<br>' + str(resp.data)
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session['zeus_token'] = (resp['access_token'], '')
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me = zeus.get('current_user/')
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username = me.data.get('username', '').lower()
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user = User.query.filter_by(username=username).first()
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if len(username) > 0 and user:
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return login_and_redirect_user(user)
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elif len(username) > 0:
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user = create_user(username)
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return login_and_redirect_user(user)
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flash("You're not allowed to enter, please contact a system administrator")
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return redirect(url_for("all_users"))
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@zeus.tokengetter
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def get_zeus_oauth_token():
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return session.get('zeus_token')
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def login_and_redirect_user(user):
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login_user(user)
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return redirect(url_for("all_users"))
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def create_user(username):
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user = User(username=username)
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db.session.add(user)
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db.session.commit()
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return user
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