/*
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* Nutzerverwaltung - User and role management in your browser
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* Copyright (C) 2011-2016 Ulrich Hilger, http://uhilger.de
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see http://www.gnu.org/licenses/
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*/
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package de.uhilger.um;
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import java.security.NoSuchAlgorithmException;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import org.apache.catalina.realm.MessageDigestCredentialHandler;
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/**
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* Ein Digester für die Nutzerverwaltung, der die Klasse
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* RealmBase von Tomcat zum Verschlüsseln nutzt
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*
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* @author Copyright (c) Ulrich Hilger, http://uhilger.de
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* @author Published under the terms and conditions of the
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* <a href="http://www.gnu.org/licenses/agpl-3.0" target="_blank">GNU Affero
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* General Public License</a>
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*
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* @version 2, December 27, 2016
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*/
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public class TomcatDigester implements Digester {
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@Override
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public String digest(String text, String algorithm, String encoding) {
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/*
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Die Methode RealmBase.Digest ist mit dem Hinweis 'unused' ab
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Tomcat 9 entfernt worden. Das, obwohl die Tomcat-eigene Dokumentation
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diese Methode ausdruecklich nennt, vgl. "Digested Passwords"
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auf http://tomcat.apache.org/tomcat-10.0-doc/realm-howto.html
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Als Ersatz wird der MessageDigestCredentialHandler verwendet
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*/
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//return RealmBase.Digest(text, algorithm, encoding);
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//return text;
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MessageDigestCredentialHandler mh = new MessageDigestCredentialHandler();
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try {
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mh.setAlgorithm(algorithm);
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} catch (NoSuchAlgorithmException ex) {
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Logger.getLogger(TomcatDigester.class.getName()).log(Level.SEVERE, null, ex);
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}
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mh.setEncoding(encoding);
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return mh.mutate(text);
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}
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}
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