Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

How to use authenticate_presign_url_signv4 method in localstack

Best Python code snippet using localstack_python

s3_utils.py

Source:s3_utils.py

...256                X-Amz-SignedHeaders and X-Amz-Signature parameters.",257            code_string="AccessDenied",258        )259    elif is_v4 and not is_v2:260        response = authenticate_presign_url_signv4(261            method, path, headers, data, url, query_params, request_dict262        )263    if response is not None:264        LOGGER.info("Presign signature calculation failed: %s" % response)265        return response266    LOGGER.debug("Valid presign url.")267def authenticate_presign_url_signv2(method, path, headers, data, url, query_params, request_dict):268    # Calculating Signature269    aws_request = create_request_object(request_dict)270    credentials = Credentials(271        access_key=TEST_AWS_ACCESS_KEY_ID,272        secret_key=TEST_AWS_SECRET_ACCESS_KEY,273        token=query_params.get("X-Amz-Security-Token", None),274    )275    auth = HmacV1QueryAuth(credentials=credentials, expires=query_params["Expires"][0])276    split = urlsplit(aws_request.url)277    string_to_sign = auth.get_string_to_sign(278        method=method, split=split, headers=aws_request.headers279    )280    signature = auth.get_signature(string_to_sign=string_to_sign)281    # Comparing the signature in url with signature we calculated282    query_sig = urlparse.unquote(query_params["Signature"][0])283    if config.S3_SKIP_SIGNATURE_VALIDATION:284        if query_sig != signature:285            LOGGER.warning(286                "Signatures do not match, but not raising an error, as S3_SKIP_SIGNATURE_VALIDATION=1"287            )288        signature = query_sig289    if query_sig != signature:290        return requests_error_response_xml_signature_calculation(291            code=403,292            code_string="SignatureDoesNotMatch",293            aws_access_token=TEST_AWS_ACCESS_KEY_ID,294            string_to_sign=string_to_sign,295            signature=signature,296            message="The request signature we calculated does not match the signature you provided. \297                    Check your key and signing method.",298        )299    # Checking whether the url is expired or not300    if int(query_params["Expires"][0]) < time.time():301        return requests_error_response_xml_signature_calculation(302            code=403,303            code_string="AccessDenied",304            message="Request has expired",305            expires=query_params["Expires"][0],306        )307def authenticate_presign_url_signv4(method, path, headers, data, url, query_params, request_dict):308    is_presign_valid = False309    for port in PORT_REPLACEMENT:310        match = re.match(HOST_COMBINATION_REGEX, urlparse.urlparse(request_dict["url"]).netloc)311        if match and match.group(2):312            request_dict["url"] = request_dict["url"].replace("%s" % match.group(2), "%s" % port)313        else:314            request_dict["url"] = "%s:%s" % (request_dict["url"], port)315        # Calculating Signature316        aws_request = create_request_object(request_dict)317        ReadOnlyCredentials = namedtuple(318            "ReadOnlyCredentials", ["access_key", "secret_key", "token"]319        )320        credentials = ReadOnlyCredentials(321            TEST_AWS_ACCESS_KEY_ID,...

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.