def login_twitter_finish(request):
"""
Finish twitter authentication
"""
consumer_key = str(get_config('tw_consumer_key'))
consumer_secret = str(get_config('tw_consumer_secret'))
token = request.session.get('twitter_request_token')
twitter = Twitter(auth=OAuth(token[0], token[1], consumer_key, consumer_secret), format='', api_version=None)
verifier = request.GET.get('oauth_verifier')
try:
oauth_resp = twitter.oauth.access_token(oauth_verifier=verifier)
except TwitterHTTPError as e:
log.error('Invalid "access_token" request: {0}'.format(str(e)))
return HTTPNotFound()
oauth_resp_data = dict(urllib.parse.parse_qsl(oauth_resp))
# typical response:
# {'user_id': '128607225', 'oauth_token_secret': 'NaGQrWyNRtHHHbvm3tNI0tcr2KTBUEY0J3ng8d7KFXg', 'screen_name': 'otmenych', 'oauth_token': '128607225-NWzT8YL1Wt6qNzMLzmaCEWOxqFtrEI1pjlA8c5FK'}
tw_username = oauth_resp_data['screen_name']
user = find_twitter_user(tw_username)
if user is None:
dbsession = DBSession()
# create user
user = User()
user.kind = 'twitter'
user.login = tw_username
dbsession.add(user)
# re-request again to correctly read roles
user = find_twitter_user(tw_username)
if user is None:
log.error('Unable to create twitter user')
return HTTPServerError()
# save user to the session
user.detach()
remember(request, None, user=user)
return HTTPFound(location=request.GET['pyrone_url'])
