util.py 文件源码

def get_disqus_sso_payload(user):
    """Return remote_auth_s3 and api_key for user."""
    DISQUS_PUBLIC_KEY = current_app.config.get('DISQUS_PUBLIC_KEY')
    DISQUS_SECRET_KEY = current_app.config.get('DISQUS_SECRET_KEY')
    if DISQUS_PUBLIC_KEY and DISQUS_SECRET_KEY:
        if user:
            data = simplejson.dumps({
                'id': user.id,
                'username': user.name,
                'email': user.email_addr,
            })
        else:
            data = simplejson.dumps({})
        # encode the data to base64
        message = base64.b64encode(data)
        # generate a timestamp for signing the message
        timestamp = int(time.time())
        # generate our hmac signature
        sig = hmac.HMAC(DISQUS_SECRET_KEY, '%s %s' % (message, timestamp),
                        hashlib.sha1).hexdigest()

        return message, timestamp, sig, DISQUS_PUBLIC_KEY
    else:
        return None, None, None, None