Old QuerySignatureV1Handler

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')
        hmac = self._get_hmac()
        keys = params.keys()
        keys.sort(cmp=lambda x, y: cmp(x.lower(), y.lower()))
        pairs = []
        for key in keys:
            hmac.update(key)
            val = boto.utils.get_utf8_value(params[key])
            hmac.update(val)
            pairs.append(key + '=' + urllib.quote(val))
        qs = '&'.join(pairs)
        return (qs, base64.b64encode(hmac.digest()))