1 /**
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19
20 package org.apache.wss4j.common.util;
21
22 import java.time.Instant;
23 import java.time.format.DateTimeFormatter;
24
25 public final class DateUtil {
26
27 private static final org.slf4j.Logger LOG =
28 org.slf4j.LoggerFactory.getLogger(DateUtil.class);
29
30 private static final DateTimeFormatter MILLISECOND_FORMATTER = DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'");
31
32 private static final DateTimeFormatter SECOND_FORMATTER = DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss'Z'");
33
34 private DateUtil() {
35 // complete
36 }
37
38 /**
39 * Return true if the "Created" value is before the current time minus the timeToLive
40 * argument, and if the Created value is not "in the future".
41 *
42 * @param timeToLive the value in seconds for the validity of the Created time
43 * @param futureTimeToLive the value in seconds for the future validity of the Created time
44 * @return true if the Date is before (now-timeToLive), false otherwise
45 */
46 public static boolean verifyCreated(
47 Instant created,
48 int timeToLive,
49 int futureTimeToLive
50 ) {
51 if (created == null) {
52 return true;
53 }
54
55 Instant validCreation = Instant.now();
56 if (futureTimeToLive > 0) {
57 validCreation = validCreation.plusSeconds(futureTimeToLive);
58 }
59 // Check to see if the created time is in the future
60 if (created.isAfter(validCreation)) {
61 LOG.warn("Validation of Created: The message was created in the future!");
62 return false;
63 }
64
65 // Calculate the time that is allowed for the message to travel
66 validCreation = Instant.now().minusSeconds(timeToLive);
67
68 // Validate the time it took the message to travel
69 if (created.isBefore(validCreation)) {
70 LOG.warn("Validation of Created: The message was created too long ago");
71 return false;
72 }
73
74 LOG.debug("Validation of Created: Everything is ok");
75 return true;
76 }
77
78 public static DateTimeFormatter getDateTimeFormatter(boolean milliseconds) {
79 if (milliseconds) {
80 return MILLISECOND_FORMATTER;
81 }
82 return SECOND_FORMATTER;
83 }
84 }