/*
    * This file is part of Waarp Project (named also Waarp or GG).
    *
    *  Copyright (c) 2019, Waarp SAS, and individual contributors by the @author
    *  tags. See the COPYRIGHT.txt in the distribution for a full listing of
    * individual contributors.
    *
    *  All Waarp Project is free software: you can redistribute it and/or
    * modify it under the terms of the GNU General Public License as published by
   * the Free Software Foundation, either version 3 of the License, or (at your
   * option) any later version.
   *
   * Waarp is distributed in the hope that it will be useful, but WITHOUT ANY
   * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
   * A PARTICULAR PURPOSE. See the GNU General Public License for more details.
   *
   *  You should have received a copy of the GNU General Public License along with
   * Waarp . If not, see <http://www.gnu.org/licenses/>.
   */
  
  package org.waarp.http.protocol.servlet;
  
  import org.waarp.common.command.exception.Reply421Exception;
  import org.waarp.common.command.exception.Reply530Exception;
  import org.waarp.http.protocol.HttpSession;
  import org.waarp.openr66.context.R66Session;
  
  import java.util.Map;
  
  /**
   * Default implementation of HttpAuthent based on standard Waarp R66
   * authentication
   */
  public class HttpAuthentDefault implements HttpAuthent {
  
    /**
     * Package protected for the tests
     */
    protected String user;
    protected byte[] key;
  
    /**
     * Empty for instantiation from class name
     */
    public HttpAuthentDefault() {
      // Empty
    }
  
    @Override
    public final void initializeAuthent(final Map<String, String> arguments) {
      user = arguments.get(FIELD_USER);
      final String skey = arguments.get(FIELD_KEY);
      key = org.waarp.common.digest.FilesystemBasedDigest.getFromHex(skey);
    }
  
    @Override
    public final void checkAuthent(final HttpSession httpSession,
                                   final R66Session session)
        throws IllegalArgumentException {
      try {
        session.getAuth().connection(user, key, false);
      } catch (final Reply530Exception e) {
        httpSession.error(e, session.getBusinessObject());
      } catch (final Reply421Exception e) {
        httpSession.error(e, session.getBusinessObject());
      }
    }
  
    @Override
    public final String getUserId() {
      return user;
    }
  
    @Override
    public final void finalizeTransfer(final HttpSession httpSession,
                                       final R66Session session)
        throws IllegalArgumentException {
      // Do nothing
    }
  }