New QuerySignatureV1AuthHandler

gistfile1.txt

class QuerySignatureV1AuthHandler(QuerySignatureHelper, AuthHandler):
    """
    Provides Query Signature V1 Authentication.
    """

    SignatureVersion = 1
    capability = ['sign-v1', 'mturk']

    def _calc_signature(self, params, *args):
        boto.log.debug('using _calc_signature_1')
        hmac1 = self._get_hmac()
        keys = params.keys()
        keys.sort(cmp=lambda x, y: cmp(x.lower(), y.lower()))
        pairs = []
        sign_vals=[]
        for key in keys:
            #hmac1.update(key)
            val = boto.utils.get_utf8_value(params[key])
            #hmac1.update(val)
            pairs.append(key + '=' + urllib.quote(val))
            sign_vals.append(key+val)
        qs = '&'.join(pairs)
        signstring="".join(sign_vals)
        new_h=hmac.new(self._provider.secret_key,signstring,sha)
        boto.log.debug('signstring:\n%s' % signstring)
        return (qs, base64.encodestring(new_h.digest()).strip())

This is incredibly central, and should be merged into a tagged release!