| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||||||
| AlwaysTestBelowAverageTimeInMillisBetweenRequestsChannelProcessor |
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| 2.0;2 |
| 1 | /* Copyright 2004, 2005, 2006 Acegi Technology Pty Limited |
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| 2 | * |
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| 3 | * Licensed under the Apache License, Version 2.0 (the "License"); |
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| 4 | * you may not use this file except in compliance with the License. |
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| 5 | * You may obtain a copy of the License at |
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| 6 | * |
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| 7 | * http://www.apache.org/licenses/LICENSE-2.0 |
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| 8 | * |
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| 9 | * Unless required by applicable law or agreed to in writing, software |
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| 10 | * distributed under the License is distributed on an "AS IS" BASIS, |
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| 11 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 12 | * See the License for the specific language governing permissions and |
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| 13 | * limitations under the License. |
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| 14 | */ |
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| 15 | ||
| 16 | package org.acegisecurity.captcha; |
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| 17 | ||
| 18 | import org.springframework.util.Assert; |
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| 19 | ||
| 20 | ||
| 21 | /** |
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| 22 | * <p>return false if thresold is lower than average time millis between any CaptchaChannelProcessorTemplate mapped |
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| 23 | * urls requests and is human;<br> |
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| 24 | * Default keyword : REQUIRES_CAPTCHA_BELOW_AVERAGE_TIME_IN_MILLIS_REQUESTS <br> |
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| 25 | * Note : before first humanity check</p> |
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| 26 | * |
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| 27 | * @author Marc-Antoine Garrigue |
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| 28 | * @version $Id: AlwaysTestBelowAverageTimeInMillisBetweenRequestsChannelProcessor.java 1496 2006-05-23 13:38:33Z benalex $ |
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| 29 | */ |
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| 30 | public class AlwaysTestBelowAverageTimeInMillisBetweenRequestsChannelProcessor extends CaptchaChannelProcessorTemplate { |
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| 31 | //~ Static fields/initializers ===================================================================================== |
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| 32 | ||
| 33 | /** Keyword for this channelProcessor */ |
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| 34 | public static final String DEFAULT_KEYWORD = "REQUIRES_CAPTCHA_BELOW_AVERAGE_TIME_IN_MILLIS_REQUESTS"; |
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| 35 | ||
| 36 | //~ Constructors =================================================================================================== |
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| 37 | ||
| 38 | /** |
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| 39 | * Constructor |
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| 40 | */ |
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| 41 | public AlwaysTestBelowAverageTimeInMillisBetweenRequestsChannelProcessor() { |
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| 42 | 1 | super(); |
| 43 | 1 | this.setKeyword(DEFAULT_KEYWORD); |
| 44 | 1 | } |
| 45 | ||
| 46 | //~ Methods ======================================================================================================== |
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| 47 | ||
| 48 | /** |
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| 49 | * Verify if thresold is > 0 |
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| 50 | * |
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| 51 | * @throws Exception if false |
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| 52 | */ |
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| 53 | public void afterPropertiesSet() throws Exception { |
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| 54 | 0 | super.afterPropertiesSet(); |
| 55 | 0 | Assert.isTrue(getThresold() > 0, "thresold must be > 0"); |
| 56 | 0 | } |
| 57 | ||
| 58 | /** |
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| 59 | * Verify wheter the context is valid concerning humanity |
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| 60 | * |
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| 61 | * @param context |
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| 62 | * |
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| 63 | * @return true if valid, false otherwise |
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| 64 | */ |
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| 65 | boolean isContextValidConcerningHumanity(CaptchaSecurityContext context) { |
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| 66 | 0 | int req = context.getHumanRestrictedResourcesRequestsCount(); |
| 67 | 0 | float thresold = getThresold(); |
| 68 | 0 | float duration = System.currentTimeMillis() - context.getLastPassedCaptchaDateInMillis(); |
| 69 | float average; |
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| 70 | ||
| 71 | 0 | if (req == 0) { |
| 72 | 0 | average = thresold + 1; |
| 73 | } else { |
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| 74 | 0 | average = duration / req; |
| 75 | } |
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| 76 | ||
| 77 | 0 | if (context.isHuman() && (average > thresold)) { |
| 78 | 0 | logger.debug("context is valid : average time between requests < thresold && is human"); |
| 79 | ||
| 80 | 0 | return true; |
| 81 | } else { |
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| 82 | 0 | logger.debug("context is not valid : request count > thresold or is not human"); |
| 83 | ||
| 84 | 0 | return false; |
| 85 | } |
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| 86 | } |
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| 87 | } |