def _create_credential()

in alibabacloud_credentials/providers.py [0:0]

• 29 lines of code
• 4 McCabe index (conditional complexity)

    def _create_credential(self, turl=None):
        tea_request = ph.get_new_request()
        tea_request.query = {
            'Action': 'GenerateSessionAccessKey',
            'Format': 'JSON',
            'Version': '2015-04-01',
            'DurationSeconds': str(self.duration_seconds),
            'AccessKeyId': self.access_key_id,
            'SignatureMethod': 'HMAC-SHA1',
            'SignatureVersion': '1.0'
        }
        tea_request.query["Timestamp"] = ph.get_iso_8061_date()
        tea_request.query["SignatureNonce"] = ph.get_uuid()

        str_to_sign = ph.compose_string_to_sign('GET', tea_request.query)
        signature = ph.sign_string(str_to_sign, self.access_key_id + '&')
        tea_request.query['Signature'] = signature
        tea_request.protocol = 'https'
        tea_request.headers['host'] = turl if turl else 'sts.aliyuncs.com'
        # request
        response = TeaCore.do_action(tea_request)
        if response.status_code == 200:
            dic = json.loads(response.body.decode('utf-8'))
            if "SessionAccessKey" in dic:
                cre = dic.get("SessionAccessKey")
                time_array = time.strptime(cre.get("Expiration"), "%Y-%m-%dT%H:%M:%SZ")
                expiration = calendar.timegm(time_array)
                return credentials.RsaKeyPairCredential(cre.get("SessionAccessKeyId"),
                                                        cre.get("SessionAccessKeySecret"),
                                                        expiration, self)
        raise CredentialException(response.body.decode('utf-8'))