Function resolve_response_checksum_algorithms

awscli/botocore/httpchecksum.py:499–520

(
    request, operation_model, params, supported_algorithms=None
)

def resolve_response_checksum_algorithms(
    request, operation_model, params, supported_algorithms=None
):
    http_checksum = operation_model.http_checksum
    mode_member = http_checksum.get("requestValidationModeMember")
    if mode_member and mode_member in params:
        if supported_algorithms is None:
            supported_algorithms = _SUPPORTED_CHECKSUM_ALGORITHMS
        response_algorithms = set(
            a.lower() for a in http_checksum.get("responseAlgorithms", [])
        )

        usable_algorithms = []
        for algorithm in _ALGORITHMS_PRIORITY_LIST:
            if algorithm not in response_algorithms:
                continue
            if algorithm in supported_algorithms:
                usable_algorithms.append(algorithm)

        checksum_context = request["context"].get("checksum", {})
        checksum_context["response_algorithms"] = usable_algorithms
        request["context"]["checksum"] = checksum_context


def handle_checksum_body(http_response, response, context, operation_model):