def authentication_required()

in ec2stack/helpers.py [0:0]

• 12 lines of code
• 1 McCabe index (conditional complexity)

def authentication_required(f):
    """
    Check that the given signature is valid.

    @param f: Function to wrap around.
    @return: Result of signature check.
    """

    @wraps(f)
    def decorated(*args, **kwargs):
        required_params = {'Action', 'AWSAccessKeyId', 'Signature',
                           'SignatureMethod', 'SignatureVersion', 'Timestamp',
                           'Version'}
        require_parameters(required_params)

        _valid_signature_method()
        _valid_signature_version()
        _valid_signature()
        return f(*args, **kwargs)

    return decorated