/*
 * Copyright (C) 2005 Alfresco, Inc.
 *
 * Licensed under the Mozilla Public License version 1.1 
 * with a permitted attribution clause. You may obtain a
 * copy of the License at
 *
 *   http://www.alfresco.org/legal/license.txt
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied. See the License for the specific
 * language governing permissions and limitations under the
 * License.
 */
package org.alfresco.repo.webservice.authentication;

import java.rmi.RemoteException;

import org.alfresco.repo.security.authentication.AuthenticationException;
import org.alfresco.service.cmr.security.AuthenticationService;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

/**
 * Web service implementation of the AuthenticationService. The WSDL for this
 * service can be accessed from
 * http://localhost:8080/alfresco/wsdl/authentication-service.wsdl
 * 
 * @author gavinc
 */
public class AuthenticationWebService implements AuthenticationServiceSoapPort
{
    private static Log logger = LogFactory.getLog(AuthenticationWebService.class);

    private AuthenticationService authenticationService;

    /**
     * Sets the AuthenticationService instance to use
     * 
     * @param authenticationSvc
     *            The AuthenticationService
     */
    public void setAuthenticationService(AuthenticationService authenticationSvc)
    {
        this.authenticationService = authenticationSvc;
    }

    /**
     * @see org.alfresco.repo.webservice.authentication.AuthenticationServiceSoapPort#startSession(java.lang.String,
     *      java.lang.String)
     */
    public AuthenticationResult startSession(String username, String password)
            throws RemoteException, AuthenticationFault
    {
        try
        {
            this.authenticationService.authenticate(username, password.toCharArray());
            String ticket = this.authenticationService.getCurrentTicket();

            if (logger.isDebugEnabled())
            {
                logger.debug("Issued ticket '" + ticket + "' for '" + username + "'");
            }

            return new AuthenticationResult(username, ticket);
        } 
        catch (AuthenticationException ae)
        {
            throw new AuthenticationFault(100, ae.getMessage());
        } 
        catch (Throwable e)
        {
            throw new AuthenticationFault(0, e.getMessage());
        }
    }

    /**
     * @see org.alfresco.repo.webservice.authentication.AuthenticationServiceSoapPort#endSession()
     */
    public void endSession(String ticket) throws RemoteException, AuthenticationFault
    {
        try
        {
            if (ticket != null)
            {
                this.authenticationService.invalidateTicket(ticket);
                this.authenticationService.clearCurrentSecurityContext();
    
                if (logger.isDebugEnabled())
                {
                    logger.debug("Session ended for ticket '" + ticket + "'");
                }
            }
        } 
        catch (Throwable e)
        {
            throw new AuthenticationFault(0, e.getMessage());
        }
    }
}