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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  
16  /*
17   * Copyright (c) 2005 Your Corporation. All Rights Reserved.
18   */
19  package org.acegisecurity.captcha;
20  
21  /***
22   * <p>
23   * return false if ny CaptchaChannelProcessorTemplate of mapped urls has been
24   * requested more than thresold; <br>
25   * Default keyword : REQUIRES_CAPTCHA_ABOVE_THRESOLD_REQUESTS
26   * </p>
27   *
28   * @author Marc-Antoine Garrigue
29   * @version $Id: AlwaysTestAfterMaxRequestsCaptchaChannelProcessor.java,v 1.2 2005/11/17 00:55:49 benalex Exp $
30   */
31  public class AlwaysTestAfterMaxRequestsCaptchaChannelProcessor
32      extends CaptchaChannelProcessorTemplate {
33      //~ Static fields/initializers =============================================
34  
35      /*** Keyword for this channelProcessor */
36      public static final String DEFAULT_KEYWORD = "REQUIRES_CAPTCHA_ABOVE_THRESOLD_REQUESTS";
37  
38      //~ Constructors ===========================================================
39  
40      /***
41       * Constructor
42       */
43      public AlwaysTestAfterMaxRequestsCaptchaChannelProcessor() {
44          super();
45          this.setKeyword(DEFAULT_KEYWORD);
46      }
47  
48      //~ Methods ================================================================
49  
50      /***
51       * Verify wheter the context is valid concerning humanity
52       *
53       * @param context
54       *
55       * @return true if valid, false otherwise
56       */
57      boolean isContextValidConcerningHumanity(CaptchaSecurityContext context) {
58          if (context.getHumanRestrictedResourcesRequestsCount() < getThresold()) {
59              logger.debug("context is valid : request count < thresold");
60  
61              return true;
62          } else {
63              logger.debug("context is not valid : request count > thresold");
64  
65              return false;
66          }
67      }
68  }