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,...
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