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/* |
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* Copyright 2014, Armenak Grigoryan, and individual contributors as indicated |
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* by the @authors tag. See the copyright.txt in the distribution for a |
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* full listing of individual contributors. |
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* |
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* This is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU Lesser General Public License as |
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* published by the Free Software Foundation; either version 2.1 of |
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* the License, or (at your option) any later version. |
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* |
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* This software is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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*/ |
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package com.strider.datadefender.anonymizer.functions; |
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import com.strider.datadefender.functions.NamedParameter; |
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import com.strider.datadefender.utils.Encoder; |
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import java.io.IOException; |
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import lombok.extern.log4j.Log4j2; |
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import org.apache.commons.lang3.RandomUtils; |
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/** |
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* Built-in anonymization helper functions for personal bio data. |
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* |
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* @author Armenak Grigoryan |
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*/ |
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@Log4j2 |
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public class Bio extends Core { |
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public String randomFirstName(@NamedParameter("fistName") String firstName) { |
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log.debug("Executing function randomFirstNameD"); |
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String detFirstName = new Encoder().encrypt(firstName, this.getHash()); |
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log.debug("detFirstName = " + detFirstName); |
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log.debug("detFirstName.length() = " + detFirstName.length()); |
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return detFirstName; |
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} |
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public String randomFirstName() throws IOException { |
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return randomStringFromStream( |
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"resource:first_names.txt", |
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() -> Lipsum.class.getResourceAsStream("first_names.txt") |
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); |
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} |
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public String randomLastName() throws IOException { |
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return randomStringFromStream( |
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"resource:last_names.txt", |
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() -> Lipsum.class.getResourceAsStream("last_names.txt") |
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); |
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} |
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public String randomLastName(@NamedParameter("lastName") String lastName) { |
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log.debug("Executing function randomLastNameD"); |
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String detLastName = new Encoder().encrypt(lastName, this.getHash()); |
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log.debug("detLastName = " + detLastName); |
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log.debug("detLastName.length() = " + detLastName.length()); |
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return detLastName; |
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} |
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public String randomMiddleName(final String file) throws IOException { |
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return randomFirstName(); |
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} |
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/** |
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201 |
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* Creates a random username with up to 10 characters and between 0 and 2 |
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201 |
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* digits following. |
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402 |
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* |
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* @return |
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*/ |
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public String randomUser() { |
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return randomUser(10, RandomUtils.nextInt(0, 3)); |
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} |
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/** |
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* Generates a random user of up to maxChars length and followed by |
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* numDigits digits. |
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* |
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* For each '10' chars, an additional word is generated on a random basis |
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* to make up the user name. So a request for a username with 11 characters |
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* may be either a single word, 'user' or maybe two, separated by a "_": |
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* 'user_name'. |
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* |
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* @param maxCharacters |
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* @param numDigits |
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* @return |
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*/ |
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public String randomUser(@NamedParameter("maxCharacters") int maxCharacters, @NamedParameter("numDigits") int numDigits) { |
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int maxWords = (int) Math.ceil(maxCharacters / 10d); |
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int numWords = (maxWords > 1) ? RandomUtils.nextInt(1, maxWords + 1) : 1; |
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String user = randomString(numWords, maxCharacters).toLowerCase().replaceAll("[^a-z ]", "").replace(" ", "_"); |
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String digits = (numDigits > 0) ? Integer.toString(RandomUtils.nextInt(0, (int) Math.pow(10, numDigits))) : ""; |
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return user + ("0".repeat(numDigits) + digits).substring(digits.length()); |
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} |
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/** |
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* Creates an email with a user part up to 20 characters long, and between |
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* 0 and 2 digits following, followed by an '@' character, and the provided |
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* domainName. |
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* |
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* @param domainName |
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* @return |
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*/ |
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public String randomEmail(@NamedParameter("domainName") String domainName) { |
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return randomEmail(domainName, 20, RandomUtils.nextInt(0, 3)); |
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} |
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/** |
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* Uses the randomUser method to create the user portion of an email with |
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* the passed maxUserCharacters and numDigits, but replaces returned '_' |
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* characters with '.'. |
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* |
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* @param domainName |
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* @param maxUserCharacters |
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* @param numDigits |
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* @return |
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*/ |
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public String randomEmail(@NamedParameter("domainName") String domainName, @NamedParameter("maxUserCharacters") int maxUserCharacters, @NamedParameter("numDigits") int numDigits) { |
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String user = randomUser(maxUserCharacters, numDigits).replace("_", "."); |
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return user + "@" + domainName; |
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} |
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} |
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armenak /
DataDefender
