alibabacloud_credentials/provider/ram_role_arn.py [123:135]:
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        if pre_credentials is None:
            raise CredentialException('unable to load original credentials from the provider in RAM role arn')

        tea_request.query['AccessKeyId'] = pre_credentials.get_access_key_id()
        security_token = pre_credentials.get_security_token()
        if security_token is not None and security_token != '':
            tea_request.query['SecurityToken'] = security_token

        string_to_sign = ph.compose_string_to_sign('GET', tea_request.query)
        signature = ph.sign_string(string_to_sign, pre_credentials.get_access_key_secret() + '&')
        tea_request.query['Signature'] = signature
        tea_request.protocol = 'https'
        tea_request.headers['host'] = self._sts_endpoint
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alibabacloud_credentials/provider/ram_role_arn.py [189:201]:
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        if pre_credentials is None:
            raise CredentialException('unable to load original credentials from the provider in RAM role arn')

        tea_request.query['AccessKeyId'] = pre_credentials.get_access_key_id()
        security_token = pre_credentials.get_security_token()
        if security_token is not None and security_token != '':
            tea_request.query['SecurityToken'] = security_token

        string_to_sign = ph.compose_string_to_sign('GET', tea_request.query)
        signature = ph.sign_string(string_to_sign, pre_credentials.get_access_key_secret() + '&')
        tea_request.query['Signature'] = signature
        tea_request.protocol = 'https'
        tea_request.headers['host'] = self._sts_endpoint
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