uk.ac.ebi.intact.editor.security.EditorAuthenticationProvider.java Source code

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Here is the source code for uk.ac.ebi.intact.editor.security.EditorAuthenticationProvider.java

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/**
 * Copyright 2010 The European Bioinformatics Institute, and others.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * 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 uk.ac.ebi.intact.editor.security;

import com.google.common.collect.Lists;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.*;
import org.springframework.security.providers.AuthenticationProvider;
import org.springframework.security.providers.UsernamePasswordAuthenticationToken;
import uk.ac.ebi.intact.editor.controller.UserListener;
import uk.ac.ebi.intact.editor.controller.admin.UserManagerController;
import uk.ac.ebi.intact.editor.services.UserSessionService;
import uk.ac.ebi.intact.jami.ApplicationContextProvider;
import uk.ac.ebi.intact.jami.model.user.Role;
import uk.ac.ebi.intact.jami.model.user.User;

import javax.annotation.Resource;
import java.util.Collection;
import java.util.Map;

/**
 * @author Bruno Aranda (baranda@ebi.ac.uk)
 * @version $Id$
 */
public class EditorAuthenticationProvider implements AuthenticationProvider {

    private static final Log log = LogFactory.getLog(EditorAuthenticationProvider.class);

    @Autowired
    private UserManagerController userManagerController;
    @Resource(name = "userSessionService")
    private UserSessionService userSessionService;

    public Authentication authenticate(Authentication authentication) throws AuthenticationException {

        log.debug("======================= AUTHENTICATE ======================");

        if (log.isDebugEnabled()) {
            log.debug("Currently, there are " + userManagerController.getLoggedInUsers().size()
                    + " users connected.");
            log.debug("Authenticating user: " + authentication.getPrincipal());
        }

        final User user = loadIntactUser(authentication);

        // get all the "user listener" beans and notify the login
        final Map<String, UserListener> userListeners = ApplicationContextProvider.getApplicationContext()
                .getBeansOfType(UserListener.class);

        for (UserListener userListener : userListeners.values()) {
            userListener.userLoggedIn(user);
        }

        Collection<GrantedAuthority> authorities = Lists.newArrayList();
        log.info(user.getLogin() + " roles: " + user.getRoles());
        for (Role role : user.getRoles()) {
            final String authorityName = "ROLE_" + role.getName();
            log.info("Adding GrantedAuthority: '" + authorityName + "'");
            authorities.add(new GrantedAuthorityImpl(authorityName));
        }

        return new UsernamePasswordAuthenticationToken(authentication.getPrincipal(),
                authentication.getCredentials(), authorities.toArray(new GrantedAuthority[authorities.size()]));
    }

    public User loadIntactUser(Authentication authentication) {
        final User user = userSessionService.loadUser(authentication.getPrincipal().toString());

        if (user == null || !user.getPassword().equals(authentication.getCredentials())) {
            if (log.isDebugEnabled())
                log.debug("Bad credentials for user: " + authentication.getPrincipal());
            throw new BadCredentialsException("Unknown user or incorrect password.");
        }

        if (user.isDisabled()) {
            throw new DisabledException(
                    "User " + user.getLogin() + " has been disabled, please contact the IntAct team.");
        }

        if (log.isInfoEnabled())
            log.info("Authentication successful for user: " + authentication.getPrincipal());
        return user;
    }

    public boolean supports(Class authentication) {
        return true;
    }
}