Source code: org/acegisecurity/captcha/AlwaysTestAfterTimeInMillisCaptchaChannelProcessor.java
1 /* Copyright 2004, 2005 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 package org.acegisecurity.captcha;
16
17 /**
18 * <p>
19 * return false if thresold is greater than millis since last captcha test has occured;<br>
20 * Default keyword : REQUIRES_CAPTCHA_AFTER_THRESOLD_IN_MILLIS
21 * </p>
22 *
23 * @author Marc-Antoine Garrigue
24 * @version $Id: AlwaysTestAfterTimeInMillisCaptchaChannelProcessor.java,v 1.2 2005/11/17 00:55:49 benalex Exp $
25 */
26 public class AlwaysTestAfterTimeInMillisCaptchaChannelProcessor
27 extends CaptchaChannelProcessorTemplate {
28 //~ Static fields/initializers =============================================
29
30 /** Keyword for this channelProcessor */
31 public static final String DEFAULT_KEYWORD = "REQUIRES_CAPTCHA_AFTER_THRESOLD_IN_MILLIS";
32
33 //~ Constructors ===========================================================
34
35 /**
36 * Constructor
37 */
38 public AlwaysTestAfterTimeInMillisCaptchaChannelProcessor() {
39 super();
40 this.setKeyword(DEFAULT_KEYWORD);
41 }
42
43 //~ Methods ================================================================
44
45 /**
46 * Verify wheter the context is valid concerning humanity
47 *
48 * @param context the CaptchaSecurityContext
49 *
50 * @return true if valid, false otherwise
51 */
52 boolean isContextValidConcerningHumanity(CaptchaSecurityContext context) {
53 if ((System.currentTimeMillis()
54 - context.getLastPassedCaptchaDateInMillis()) < getThresold()) {
55 logger.debug(
56 "context is valid : last passed captcha date - current time < thresold");
57
58 return true;
59 } else {
60 logger.debug(
61 "context is not valid : last passed captcha date - current time > thresold");
62
63 return false;
64 }
65 }
66 }