291 lines
9.2 KiB
Python
291 lines
9.2 KiB
Python
from flask import Blueprint, session, flash, request, redirect, url_for, render_template, jsonify
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from werkzeug.security import generate_password_hash
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from music.model.user import User, get_admins
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from music.model.config import Config
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from music.auth.jwt_keys import generate_key
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from music.api.decorators import no_cache
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from music.notif.notifier import notify_admin_new_user
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from music.magic_strings import SPOT_CLIENT_URI, SPOT_SECRET_URI
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from urllib.parse import urlencode, urlunparse
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import datetime
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from datetime import timedelta
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from numbers import Number
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import logging
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from base64 import b64encode
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from google.cloud import secretmanager
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import requests
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blueprint = Blueprint('authapi', __name__)
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logger = logging.getLogger(__name__)
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secret_client = secretmanager.SecretManagerServiceClient()
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@blueprint.route('/login', methods=['GET', 'POST'])
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@no_cache
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def login():
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"""Login route allowing retrieval of HTML page and submission of results
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Returns:
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HTTP Response: Home page redirect for GET, login request on POST
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"""
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if request.method == 'POST':
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session.pop('username', None)
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username = request.form.get('username', None)
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password = request.form.get('password', None)
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if username is None or password is None:
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flash('malformed request')
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return redirect(url_for('index'))
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user = User.collection.filter('username', '==', username.strip().lower()).get()
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if user is None:
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flash('user not found')
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return redirect(url_for('index'))
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if user.check_password(password):
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if user.locked:
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logger.warning(f'locked account attempt {username}')
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flash('account locked')
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return redirect(url_for('index'))
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user.last_login = datetime.datetime.utcnow()
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user.update()
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logger.info(f'success {username}')
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session['username'] = username
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return redirect(url_for('app_route'))
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else:
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logger.warning(f'failed attempt {username}')
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flash('incorrect password')
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return redirect(url_for('index'))
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else:
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return redirect(url_for('index'))
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@blueprint.route('/logout', methods=['GET', 'POST'])
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@no_cache
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def logout():
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if 'username' in session:
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logger.info(f'logged out {session["username"]}')
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session.pop('username', None)
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flash('logged out')
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return redirect(url_for('index'))
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@blueprint.route('/token', methods=['POST'])
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@no_cache
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def jwt_token():
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"""Generate JWT
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Returns:
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HTTP Response: token request on POST
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"""
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request_json = request.get_json()
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username = request_json.get('username', None)
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password = request_json.get('password', None)
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if username is None or password is None:
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return jsonify({"message": 'username and password fields required', "status": "error"}), 400
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user = User.collection.filter('username', '==', username.strip().lower()).get()
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if user is None:
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return jsonify({"message": 'user not found', "status": "error"}), 404
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if user.check_password(password):
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if user.locked:
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logger.warning(f'locked account token attempt {username}')
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return jsonify({"message": 'user locked', "status": "error"}), 403
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user.last_keygen = datetime.datetime.utcnow()
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user.update()
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logger.info(f'generating token for {username}')
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config = Config.collection.get("config/music-tools")
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if isinstance(expiry := request_json.get('expiry', None), Number):
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expiry = min(expiry, config.jwt_max_length)
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else:
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expiry = config.jwt_default_length
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generated_token = generate_key(user, timeout=timedelta(seconds=expiry))
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return jsonify({"token": generated_token, "status": "success"}), 200
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else:
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logger.warning(f'failed token attempt {username}')
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return jsonify({"message": 'authentication failed', "status": "error"}), 401
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@blueprint.route('/register', methods=['GET', 'POST'])
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@no_cache
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def register():
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if 'username' in session:
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return redirect(url_for('index'))
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if request.method == 'GET':
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return render_template('register.html')
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else:
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api_user = False
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username = request.form.get('username', None)
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password = request.form.get('password', None)
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password_again = request.form.get('password_again', None)
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if username is None or password is None or password_again is None:
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if (request_json := request.get_json()) is not None:
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username = request_json.get('username', None)
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password = request_json.get('password', None)
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password_again = request_json.get('password_again', None)
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api_user = True
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if username is None or password is None or password_again is None:
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logger.info(f'malformed register api request, {username}')
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return jsonify({'status': 'error', 'message': 'malformed request'}), 400
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else:
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flash('malformed request')
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return redirect('authapi.register')
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username = username.lower()
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if password != password_again:
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if api_user:
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return jsonify({'message': 'passwords didnt match', 'status': 'error'}), 400
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else:
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flash('password mismatch')
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return redirect('authapi.register')
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if username in [i.username for i in
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User.collection.fetch()]:
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if api_user:
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return jsonify({'message': 'user already exists', 'status': 'error'}), 409
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else:
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flash('username already registered')
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return redirect('authapi.register')
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user = User()
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user.username = username
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user.password = generate_password_hash(password)
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user.last_login = datetime.datetime.utcnow()
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user.save()
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logger.info(f'new user {username}')
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for admin in get_admins():
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notify_admin_new_user(admin, username)
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if api_user:
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return jsonify({'message': 'account created', 'status': 'succeeded'}), 201
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else:
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session['username'] = username
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return redirect(url_for('authapi.auth'))
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@blueprint.route('/spotify')
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@no_cache
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def auth():
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if 'username' in session:
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spot_client = secret_client.access_secret_version(request={"name": SPOT_CLIENT_URI})
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params = urlencode(
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{
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'client_id': spot_client.payload.data.decode("UTF-8"),
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'response_type': 'code',
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'scope': 'playlist-modify-public playlist-modify-private playlist-read-private '
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'user-read-playback-state user-modify-playback-state user-library-read',
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'redirect_uri': 'https://mixonomer.sarsoo.xyz/auth/spotify/token'
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}
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)
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return redirect(urlunparse(['https', 'accounts.spotify.com', 'authorize', '', params, '']))
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return redirect(url_for('index'))
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@blueprint.route('/spotify/token')
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@no_cache
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def token():
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if 'username' in session:
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code = request.args.get('code', None)
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if code is None:
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flash('authorization failed')
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return redirect('app_route')
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else:
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spot_client = secret_client.access_secret_version(request={"name": SPOT_CLIENT_URI})
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spot_secret = secret_client.access_secret_version(request={"name": SPOT_SECRET_URI})
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idsecret = b64encode(
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bytes(spot_client.payload.data.decode("UTF-8") + ':' + spot_secret.payload.data.decode("UTF-8"), "utf-8")
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).decode("ascii")
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headers = {'Authorization': 'Basic %s' % idsecret}
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data = {
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'grant_type': 'authorization_code',
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'code': code,
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'redirect_uri': 'https://mixonomer.sarsoo.xyz/auth/spotify/token'
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}
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req = requests.post('https://accounts.spotify.com/api/token', data=data, headers=headers)
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if 200 <= req.status_code < 300:
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resp = req.json()
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user = User.collection.filter('username', '==', session['username'].strip().lower()).get()
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user.access_token = resp['access_token']
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user.refresh_token = resp['refresh_token']
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user.last_refreshed = datetime.datetime.now(datetime.timezone.utc)
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user.token_expiry = resp['expires_in']
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user.spotify_linked = True
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user.update()
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else:
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flash('http error on token request')
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return redirect('app_route')
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return redirect('/app/settings/spotify')
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return redirect(url_for('index'))
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@blueprint.route('/spotify/deauth')
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@no_cache
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def deauth():
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if 'username' in session:
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user = User.collection.filter('username', '==', session['username'].strip().lower()).get()
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user.access_token = None
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user.refresh_token = None
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user.last_refreshed = datetime.datetime.now(datetime.timezone.utc)
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user.token_expiry = None
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user.spotify_linked = False
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user.update()
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return redirect('/app/settings/spotify')
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return redirect(url_for('index'))
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