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How to use parse_policy_expiration_date method in localstack

Best Python code snippet using localstack_python

s3_listener.py

Source:s3_listener.py

...976            or allowed_query977        ):978            return True979    @staticmethod980    def parse_policy_expiration_date(expiration_string):981        try:982            dt = datetime.datetime.strptime(expiration_string, POLICY_EXPIRATION_FORMAT1)983        except Exception:984            dt = datetime.datetime.strptime(expiration_string, POLICY_EXPIRATION_FORMAT2)985        # both date formats assume a UTC timezone ('Z' suffix), but it's not parsed as tzinfo into the datetime object986        dt = dt.replace(tzinfo=datetime.timezone.utc)987        return dt988    def forward_request(self, method, path, data, headers):989        # Create list of query parameteres from the url990        parsed = urlparse.urlparse("{}{}".format(config.get_edge_url(), path))991        query_params = parse_qs(parsed.query)992        path_orig = path993        path = path.replace(994            "#", "%23"995        )  # support key names containing hashes (e.g., required by Amplify)996        # extracting bucket name from the request997        parsed_path = urlparse.urlparse(path)998        bucket_name = extract_bucket_name(headers, parsed_path.path)999        if method == "PUT" and bucket_name and not re.match(BUCKET_NAME_REGEX, bucket_name):1000            if len(parsed_path.path) <= 1:1001                return error_response(1002                    "Unable to extract valid bucket name. Please ensure that your AWS SDK is "1003                    + "configured to use path style addressing, or send a valid "1004                    + '<Bucket>.s3.localhost.localstack.cloud "Host" header',1005                    "InvalidBucketName",1006                    status_code=400,1007                )1008            return error_response(1009                "The specified bucket is not valid.",1010                "InvalidBucketName",1011                status_code=400,1012            )1013        # Detecting pre-sign url and checking signature1014        if any([p in query_params for p in SIGNATURE_V2_PARAMS]) or any(1015            [p in query_params for p in SIGNATURE_V4_PARAMS]1016        ):1017            response = authenticate_presign_url(1018                method=method, path=path, data=data, headers=headers1019            )1020            if response is not None:1021                return response1022        # handling s3 website hosting requests1023        if is_static_website(headers) and method == "GET":1024            return serve_static_website(headers=headers, path=path, bucket_name=bucket_name)1025        # check content md5 hash integrity if not a copy request or multipart initialization1026        if (1027            "Content-MD5" in headers1028            and not self.is_s3_copy_request(headers, path)1029            and not self.is_create_multipart_request(parsed_path.query)1030        ):1031            response = check_content_md5(data, headers)1032            if response is not None:1033                return response1034        modified_data = None1035        # TODO: For some reason, moto doesn't allow us to put a location constraint on us-east-11036        to_find1 = to_bytes("<LocationConstraint>us-east-1</LocationConstraint>")1037        to_find2 = to_bytes("<CreateBucketConfiguration")1038        if data and data.startswith(to_bytes("<")) and to_find1 in data and to_find2 in data:1039            # Note: with the latest version, <CreateBucketConfiguration> must either1040            # contain a valid <LocationConstraint>, or not be present at all in the body.1041            modified_data = b""1042        # If this request contains streaming v4 authentication signatures, strip them from the message1043        # Related isse: https://github.com/localstack/localstack/issues/981044        # TODO: can potentially be removed after this fix in moto: https://github.com/spulec/moto/pull/42011045        is_streaming_payload = headers.get(CONTENT_SHA256_HEADER) == STREAMING_HMAC_PAYLOAD1046        if is_streaming_payload:1047            modified_data = strip_chunk_signatures(not_none_or(modified_data, data))1048            headers["Content-Length"] = headers.get("x-amz-decoded-content-length")1049            headers.pop(CONTENT_SHA256_HEADER)1050        # POST requests to S3 may include a "${filename}" placeholder in the1051        # key, which should be replaced with an actual file name before storing.1052        if method == "POST":1053            original_data = not_none_or(modified_data, data)1054            expanded_data = multipart_content.expand_multipart_filename(original_data, headers)1055            if expanded_data is not original_data:1056                modified_data = expanded_data1057        # If no content-type is provided, 'binary/octet-stream' should be used1058        # src: https://docs.aws.amazon.com/AmazonS3/latest/API/RESTObjectPUT.html1059        if method == "PUT" and not headers.get("content-type"):1060            headers["content-type"] = "binary/octet-stream"1061        # parse query params1062        query = parsed_path.query1063        path = parsed_path.path1064        query_map = urlparse.parse_qs(query, keep_blank_values=True)1065        # remap metadata query params (not supported in moto) to request headers1066        append_metadata_headers(method, query_map, headers)1067        # apply fixes1068        headers_changed = fix_metadata_key_underscores(request_headers=headers)1069        if query == "notification" or "notification" in query_map:1070            # handle and return response for ?notification request1071            response = handle_notification_request(bucket_name, method, data)1072            return response1073        # if the Expires key in the url is already expired then return error1074        if method == "GET" and "Expires" in query_map:1075            ts = datetime.datetime.fromtimestamp(1076                int(query_map.get("Expires")[0]), tz=datetime.timezone.utc1077            )1078            if is_expired(ts):1079                return token_expired_error(path, headers.get("x-amz-request-id"), 400)1080        # If multipart POST with policy in the params, return error if the policy has expired1081        if method == "POST":1082            policy_key, policy_value = multipart_content.find_multipart_key_value(1083                data, headers, "policy"1084            )1085            if policy_key and policy_value:1086                policy = json.loads(base64.b64decode(policy_value).decode("utf-8"))1087                expiration_string = policy.get("expiration", None)  # Example: 2020-06-05T13:37:12Z1088                if expiration_string:1089                    expiration_datetime = self.parse_policy_expiration_date(expiration_string)1090                    if is_expired(expiration_datetime):1091                        return token_expired_error(path, headers.get("x-amz-request-id"), 400)1092        if query == "cors" or "cors" in query_map:1093            if method == "GET":1094                return get_cors(bucket_name)1095            if method == "PUT":1096                return set_cors(bucket_name, data)1097            if method == "DELETE":1098                return delete_cors(bucket_name)1099        if query == "requestPayment" or "requestPayment" in query_map:1100            if method == "GET":1101                return get_request_payment(bucket_name)1102            if method == "PUT":1103                return set_request_payment(bucket_name, data)...

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