views.py 文件源码

def post(self, request):
        """Receive a list of changed user IDs from Dropbox and process each."""
        # Make sure this is a valid request from Dropbox
        logger.debug('[Dropbox - View - Webhook] received a webhook')
        signature = request.environ.get('HTTP_X_DROPBOX_SIGNATURE')
        try:
            request_body_size = int(request.environ.get('CONTENT_LENGTH', 0))
        except (ValueError):
            request_body_size = 0
            pass

        request_body = request.environ['wsgi.input'].read(request_body_size)
        request_hashed = hmac.new(  APP_SECRET.encode("utf-8"),
                                    request_body,
                                    sha256).hexdigest()

        if not hmac.compare_digest(signature, request_hashed):
            error_url = '{}?status=error'.format(self.get_redirect(request))
            return redirect(error_url)
        try:
            data = json.loads(request_body.decode('utf-8'))

            for user in data['delta']['users']:
                logger.debug('[Dropbox - View - webhook] \
                    firedTrigger for user with id:{}'.format(user))

                tasks.fireTrigger(user)
        except json.decoder.JSONDecodeError:
            pass
        return HttpResponse()