def twitter_wall_authenticate(self, wall):
""" Authenticate twitter account """
auth = Oauth(wall.stream_id.twitter_api_key, wall.stream_id.twitter_api_secret)
callback_url = '%s/%s/%s' % (request.env['ir.config_parameter'].get_param('web.base.url'), 'twitter_wall/callback', wall.id)
HEADER = auth._generate_header(auth.REQUEST_URL, 'HMAC-SHA1', '1.0', callback_url=callback_url)
HTTP_REQUEST = Request(auth.REQUEST_URL)
HTTP_REQUEST.add_header('Authorization', HEADER)
request_response = urlopen(HTTP_REQUEST, '').read()
request_response = auth._string_to_dict(request_response)
if request_response['oauth_token'] and request_response['oauth_callback_confirmed']:
url = auth.AUTHORIZE_URL + '?oauth_token=' + request_response['oauth_token']
return request.redirect(url)
