1 /* Copyright 2004, 2005, 2006 Acegi Technology Pty Limited
2 *
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 package org.acegisecurity.captcha;
17
18 /**
19 * <p>return false if thresold is greater than millis since last captcha test has occured;<br>
20 * Default keyword : REQUIRES_CAPTCHA_AFTER_THRESOLD_IN_MILLIS</p>
21 *
22 * @author Marc-Antoine Garrigue
23 * @version $Id: AlwaysTestAfterTimeInMillisCaptchaChannelProcessor.java 1496 2006-05-23 13:38:33Z benalex $
24 */
25 public class AlwaysTestAfterTimeInMillisCaptchaChannelProcessor extends CaptchaChannelProcessorTemplate {
26 //~ Static fields/initializers =====================================================================================
27
28 /** Keyword for this channelProcessor */
29 public static final String DEFAULT_KEYWORD = "REQUIRES_CAPTCHA_AFTER_THRESOLD_IN_MILLIS";
30
31 //~ Constructors ===================================================================================================
32
33 /**
34 * Constructor
35 */
36 public AlwaysTestAfterTimeInMillisCaptchaChannelProcessor() {
37 super();
38 this.setKeyword(DEFAULT_KEYWORD);
39 }
40
41 //~ Methods ========================================================================================================
42
43 /**
44 * Verify wheter the context is valid concerning humanity
45 *
46 * @param context the CaptchaSecurityContext
47 *
48 * @return true if valid, false otherwise
49 */
50 boolean isContextValidConcerningHumanity(CaptchaSecurityContext context) {
51 if ((System.currentTimeMillis() - context.getLastPassedCaptchaDateInMillis()) < getThresold()) {
52 logger.debug("context is valid : last passed captcha date - current time < thresold");
53
54 return true;
55 } else {
56 logger.debug("context is not valid : last passed captcha date - current time > thresold");
57
58 return false;
59 }
60 }
61 }