auth.py 文件源码

def add_auth(self, req, **kwargs):
        req.params['AWSAccessKeyId'] = self._provider.access_key
        req.params['SignatureVersion'] = self.SignatureVersion
        req.params['Timestamp'] = boto.utils.get_ts()
        qs, signature = self._calc_signature(req.params, req.method,
                                             req.auth_path, req.host)
        boto.log.debug('query_string: %s Signature: %s' % (qs, signature))
        if req.method == 'POST':
            req.headers['Content-Length'] = str(len(req.body))
            req.headers['Content-Type'] = req.headers.get('Content-Type',
                                                          'text/plain')
        else:
            req.body = ''
        # if this is a retried req, the qs from the previous try will
        # already be there, we need to get rid of that and rebuild it
        req.path = req.path.split('?')[0]
        req.path = (req.path + '?' + qs +
                             '&Signature=' + urllib.quote_plus(signature))