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package org.kuali.rice.kns.web.servlet; |
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import java.io.IOException; |
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import java.util.Arrays; |
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import java.util.Collection; |
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import java.util.HashSet; |
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import java.util.Properties; |
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import java.util.Set; |
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import javax.servlet.ServletException; |
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import javax.servlet.ServletRequest; |
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import javax.servlet.ServletResponse; |
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import javax.servlet.http.HttpServlet; |
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import org.apache.commons.lang.StringUtils; |
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import org.kuali.rice.kns.bo.PersistableBusinessObject; |
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import org.kuali.rice.kns.service.BusinessObjectService; |
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import org.kuali.rice.kns.service.KNSServiceLocator; |
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import org.kuali.rice.kns.service.PostDataLoadEncryptionService; |
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import org.springframework.core.io.FileSystemResource; |
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| 50 | 0 | public class PostDataLoadEncryptionServlet extends HttpServlet { |
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| 52 | 0 | private static final org.apache.log4j.Logger LOG = org.apache.log4j.Logger.getLogger(PostDataLoadEncryptionServlet.class); |
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private static final String ATTRIBUTES_TO_ENCRYPT_PROPERTIES = "attributesToEncryptProperties"; |
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private static final String CHECK_OJB_ENCRYPT_CONFIG = "checkOjbEncryptConfig"; |
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@Override |
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public void service(ServletRequest request, ServletResponse response) |
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throws ServletException, IOException { |
| 60 | 0 | String attributesToEncryptPropertyFileName = request.getParameter(ATTRIBUTES_TO_ENCRYPT_PROPERTIES); |
| 61 | 0 | if (StringUtils.isBlank(attributesToEncryptPropertyFileName)) { |
| 62 | 0 | throw new IllegalArgumentException("No valid " + ATTRIBUTES_TO_ENCRYPT_PROPERTIES + " parameter was passed to this Servlet."); |
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} |
| 64 | 0 | boolean checkOjbEncryptConfig = true; |
| 65 | 0 | String checkOjbEncryptConfigValue = request.getParameter(CHECK_OJB_ENCRYPT_CONFIG); |
| 66 | 0 | if (!StringUtils.isBlank(checkOjbEncryptConfigValue)) { |
| 67 | 0 | checkOjbEncryptConfig = Boolean.valueOf(checkOjbEncryptConfigValue); |
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} |
| 69 | 0 | execute(attributesToEncryptPropertyFileName, checkOjbEncryptConfig); |
| 70 | 0 | response.getOutputStream().write(new String("<html><body><p>Successfully encrypted attributes as defined in: " + attributesToEncryptPropertyFileName + "</p></body></html>").getBytes()); |
| 71 | 0 | } |
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public void execute(String attributesToEncryptPropertyFileName, boolean checkOjbEncryptConfig) { |
| 74 | 0 | PostDataLoadEncryptionService postDataLoadEncryptionService = KNSServiceLocator.getPostDataLoadEncryptionService(); |
| 75 | 0 | Properties attributesToEncryptProperties = new Properties(); |
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try { |
| 77 | 0 | attributesToEncryptProperties.load(new FileSystemResource(attributesToEncryptPropertyFileName).getInputStream()); |
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} |
| 79 | 0 | catch (Exception e) { |
| 80 | 0 | throw new IllegalArgumentException("PostDataLoadEncrypter requires the full, absolute path to a properties file where the keys are the names of the BusinessObject classes that should be processed and the values are the list of attributes on each that require encryption", e); |
| 81 | 0 | } |
| 82 | 0 | for (Object businessObjectClassName : attributesToEncryptProperties.keySet()) { |
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Class businessObjectClass; |
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try { |
| 85 | 0 | businessObjectClass = Class.forName((String) businessObjectClassName); |
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} |
| 87 | 0 | catch (Exception e) { |
| 88 | 0 | throw new IllegalArgumentException(new StringBuffer("Unable to load Class ").append(businessObjectClassName).append(" specified by name in attributesToEncryptProperties file ").append(attributesToEncryptProperties).toString(), e); |
| 89 | 0 | } |
| 90 | 0 | Set<String> attributeNames = null; |
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try { |
| 92 | 0 | attributeNames = new HashSet(Arrays.asList(StringUtils.split((String) attributesToEncryptProperties.get(businessObjectClassName), ","))); |
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} |
| 94 | 0 | catch (Exception e) { |
| 95 | 0 | throw new IllegalArgumentException(new StringBuffer("Unable to load attributeNames Set from comma-delimited list of attribute names specified as value for property with Class name ").append(businessObjectClassName).append(" key in attributesToEncryptProperties file ").append(attributesToEncryptProperties).toString(), e); |
| 96 | 0 | } |
| 97 | 0 | postDataLoadEncryptionService.checkArguments(businessObjectClass, attributeNames, checkOjbEncryptConfig); |
| 98 | 0 | postDataLoadEncryptionService.createBackupTable(businessObjectClass); |
| 99 | 0 | BusinessObjectService businessObjectService = KNSServiceLocator.getBusinessObjectService(); |
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try { |
| 101 | 0 | postDataLoadEncryptionService.prepClassDescriptor(businessObjectClass, attributeNames); |
| 102 | 0 | Collection objectsToEncrypt = businessObjectService.findAll(businessObjectClass); |
| 103 | 0 | for (Object businessObject : objectsToEncrypt) { |
| 104 | 0 | postDataLoadEncryptionService.encrypt((PersistableBusinessObject) businessObject, attributeNames); |
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} |
| 106 | 0 | postDataLoadEncryptionService.restoreClassDescriptor(businessObjectClass, attributeNames); |
| 107 | 0 | LOG.info(new StringBuffer("Encrypted ").append(attributesToEncryptProperties.get(businessObjectClassName)).append(" attributes of Class ").append(businessObjectClassName)); |
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} |
| 109 | 0 | catch (Exception e) { |
| 110 | 0 | postDataLoadEncryptionService.restoreTableFromBackup(businessObjectClass); |
| 111 | 0 | LOG.error(new StringBuffer("Caught exception, while encrypting ").append(attributesToEncryptProperties.get(businessObjectClassName)).append(" attributes of Class ").append(businessObjectClassName).append(" and restored table from backup"), e); |
| 112 | 0 | } |
| 113 | 0 | postDataLoadEncryptionService.dropBackupTable(businessObjectClass); |
| 114 | 0 | } |
| 115 | 0 | } |
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} |