import base64

import requests

import json

    if 'remote_oauth_authorizationcode' not in session:

        next_url = request.args.get('next') or request.referrer or None

        return remote.authorize(

            callback=url_for('authorized', next=next_url, _external=True)

        )

    if 'me' not in session:

        resp = remote.get('user/InfoComplete')

        print("authcode resp data: "+str(resp.data))

        me = resp.data.get("username", "")

        session["me"] = me

    if 'remote_oauth_clientcredentials' not in session:

        auth_string = bytes(app.config["CLIENT_ID"]+':'+app.config['CLIENT_SECRET'], "utf-8")

        auth_code = base64.b64encode(auth_string).decode("utf-8")

        resp = requests.post(app.config["ACCESS_TOKEN_URL"]+"?grant_type=client_credentials&scope=basic", data={}, headers={

            'Authorization': 'Basic %s' % auth_code,

        })

        if resp is None:

            return 'Access denied: reason=%s error=%s' % (

                request.args['error_reason'],

                request.args['error_description']

            )

        session['remote_oauth_clientcredentials'] = (json.loads(resp.text)['access_token'], '')

        resp = remote.get('user/InfoComplete')

        print("clientcredentials resp data: "+str(resp.data))

        server = resp.data.get("username", "")

        session["server"] = server

    return render_template('client/index.html', current_username=session["me"], oauth_username=session["server"])

@app.route('/renkan-request')

def renkan_request():

    if 'remote_oauth_clientcredentials' in session:

        resp = requests.post(

            app.config["CREATE_RENKAN_ENDPOINT"]+"?act_as="+session.get("me", "anonymous"), 

            {"title": "RENKAN_FROM_GED"},

            headers={

                'Authorization': 'Bearer %s' % session['remote_oauth_clientcredentials'][0],

                'renkan-act-as': session.get("me", "anonymous")

            }

        )

        print(resp.text)

    return redirect('/')

    session['remote_oauth_authorizationcode'] = (resp['access_token'], '')

    print("referrer : "+request.referrer)

    if 'remote_oauth_clientcredentials' in session and 'server' not in session:

        return session['remote_oauth_clientcredentials']

    else:

        return session.get('remote_oauth_authorizationcode', '')