001    /*
002     * Copyright (C) 2012 eXo Platform SAS.
003     *
004     * This is free software; you can redistribute it and/or modify it
005     * under the terms of the GNU Lesser General Public License as
006     * published by the Free Software Foundation; either version 2.1 of
007     * the License, or (at your option) any later version.
008     *
009     * This software is distributed in the hope that it will be useful,
010     * but WITHOUT ANY WARRANTY; without even the implied warranty of
011     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012     * Lesser General Public License for more details.
013     *
014     * You should have received a copy of the GNU Lesser General Public
015     * License along with this software; if not, write to the Free
016     * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
017     * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
018     */
019    
020    package org.crsh.auth;
021    
022    import org.crsh.plugin.CRaSHPlugin;
023    import org.crsh.plugin.PluginContext;
024    import org.crsh.plugin.PropertyDescriptor;
025    
026    import java.util.Arrays;
027    
028    public class SimpleAuthenticationPlugin extends
029      CRaSHPlugin<AuthenticationPlugin> implements
030      AuthenticationPlugin<String> {
031    
032      /** The username. */
033      public static final PropertyDescriptor<String> SIMPLE_USERNAME =
034        PropertyDescriptor.create(
035          "auth.simple.username",
036          "admin",
037          "The username");
038    
039      /** The password. */
040      public static final PropertyDescriptor<String> SIMPLE_PASSWORD =
041        PropertyDescriptor.create(
042          "auth.simple.password",
043          "admin",
044          "The password",
045          true);
046    
047      /** . */
048      private String username;
049    
050      /** . */
051      private String password;
052    
053      @Override
054      protected Iterable<PropertyDescriptor<?>> createConfigurationCapabilities() {
055        return Arrays.<PropertyDescriptor<?>>asList(
056          SIMPLE_USERNAME,
057          SIMPLE_PASSWORD);
058      }
059    
060      public Class<String> getCredentialType() {
061        return String.class;
062      }
063    
064      @Override
065      public AuthenticationPlugin getImplementation() {
066        return this;
067      }
068    
069      @Override
070      public void init() {
071        PluginContext context = getContext();
072        this.username = context.getProperty(SIMPLE_USERNAME);
073        this.password = context.getProperty(SIMPLE_PASSWORD);
074      }
075    
076      public String getName() {
077        return "simple";
078      }
079    
080      public boolean authenticate(String username, String password)
081        throws Exception {
082        return this.username != null &&
083          this.password != null &&
084          this.username.equals(username) &&
085          this.password.equals(password);
086      }
087    }