AuthenticationServiceImpl.java

/**
 * Copyright 2011 the original author or authors.
 *
 * 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 org.bricket.plugin.authentication.service.impl;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import org.bricket.plugin.authentication.service.AuthenticationService;
import org.bricket.plugin.authentication.service.AuthenticationServiceException;
import org.bricket.plugin.mail.service.MailPluginService;
import org.bricket.plugin.role.domain.Role;
import org.bricket.plugin.role.service.RoleService;
import org.bricket.plugin.user.domain.User;
import org.bricket.plugin.user.service.UserService;
import org.bricket.plugin.user.service.impl.UserDetailsImpl;
import org.bricket.plugin.user_role.service.UserRoleService;
import org.bricket.service.BricketServiceException;
import org.bricket.service.BricketServiceImpl;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.authentication.BadCredentialsException;
import org.springframework.security.authentication.DisabledException;
import org.springframework.security.authentication.LockedException;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.GrantedAuthorityImpl;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import brix.plugins.springsecurity.BrixUserProvider;

@Service(value = "authenticationService")
@Transactional(readOnly = true)
public class AuthenticationServiceImpl extends BricketServiceImpl implements AuthenticationService, UserDetailsService,
        BrixUserProvider {
    private final Logger log = LoggerFactory.getLogger(AuthenticationServiceImpl.class);

    @Autowired
    @Qualifier("authenticationManager")
    private AuthenticationManager authenticationManager;

    @Autowired
    private UserService userService;

    @Autowired
    private RoleService roleService;

    @Autowired
    private UserRoleService userRoleService;

    @Autowired
    private MailPluginService mailPluginService;

    @Transactional
    @Override
    protected void onInit() throws BricketServiceException {
        userService.init();
        roleService.init();
        userRoleService.init();
        mailPluginService.init();

        log.info("user service initialized");
    }

    @Override
    public UserDetails loadUserByUsername(String email) {
        final User user = userService.loadUserByEmail(email);
        if (user == null) {
            throw new UsernameNotFoundException("no user for email: " + email);
        }
        return new UserDetailsImpl(user, userRoleService.loadRolesByUser(user));
    }

    @Override
    @Transactional
    public void signupUser(User user) throws BricketServiceException {
        signupUser(user, false);
    }

    @Override
    @Transactional
    public void signupUser(User user, boolean sendActivationMail) throws BricketServiceException {
        signupUser(user, sendActivationMail, Collections.<String> emptyList());
    }

    @Override
    @Transactional
    public void signupUser(User user, boolean sendActivationMail, List<String> roles) throws BricketServiceException {
        try {
            User u = userService.saveUser(user);
            log.debug("signup user: {}", u);

            userRoleService.assignRoles(user, roles);

            if (sendActivationMail) {
                try {
                    mailPluginService.sendSignupMail(u);
                } catch (BricketServiceException e) {
                    throw new AuthenticationServiceException(
                            AuthenticationServiceException.AUTHENTICATION_SERVICE_SIGNUP_FAILED, e);
                }
            } else {
                activateUser(u);
            }
        } catch (BricketServiceException e) {
            throw new AuthenticationServiceException(
                    AuthenticationServiceException.AUTHENTICATION_SERVICE_SIGNUP_FAILED, e);
        }
    }

    @Override
    public User authenticateUser(String email, String password) throws BricketServiceException {
        try {
            Authentication authentication = authenticationManager.authenticate(new UsernamePasswordAuthenticationToken(
                    email, password));
            SecurityContextHolder.getContext().setAuthentication(authentication);

            if (authentication.isAuthenticated() && authentication.getPrincipal() instanceof UserDetailsImpl) {
                User user = ((UserDetailsImpl) authentication.getPrincipal()).getUser();
                log.debug("authenticated user: {}", user);
                return user;
            }
            throw new AuthenticationServiceException(
                    AuthenticationServiceException.AUTHENTICATION_SERVICE_AUTHENTICATION_FAILED);
        } catch (DisabledException de) {
            throw new AuthenticationServiceException(
                    AuthenticationServiceException.AUTHENTICATION_SERVICE_USER_DISABLED, de);
        } catch (LockedException le) {
            throw new AuthenticationServiceException(AuthenticationServiceException.AUTHENTICATION_SERVICE_USER_LOCKED,
                    le);
        } catch (BadCredentialsException bce) {
            throw new AuthenticationServiceException(
                    AuthenticationServiceException.AUTHENTICATION_SERVICE_BAD_CREDENTIALS, bce);
        } catch (AuthenticationException ae) {
            throw new AuthenticationServiceException(
                    AuthenticationServiceException.AUTHENTICATION_SERVICE_AUTHENTICATION_FAILED, ae);
        } catch (RuntimeException re) {
            throw new AuthenticationServiceException(
                    AuthenticationServiceException.AUTHENTICATION_SERVICE_AUTHENTICATION_FAILED, re);
        }
    }

    @Override
    @Transactional
    public void activateUser(String email, String activationKey) throws BricketServiceException {
        activateUser(userService.loadUserByEmailAndActivationKey(email, activationKey));
    }

    private void activateUser(User user) throws BricketServiceException {
        if (user != null && !user.isEnabled()) {
            try {
                user.setEnabled(true);
                userService.saveUser(user);
                log.debug("activated user: {}", user);
                return;
            } catch (BricketServiceException bse) {
                throw new AuthenticationServiceException(
                        AuthenticationServiceException.AUTHENTICATION_SERVICE_ACTIVATION_FAILED, bse);
            }
        }
        throw new AuthenticationServiceException(
                AuthenticationServiceException.AUTHENTICATION_SERVICE_ACTIVATION_FAILED);
    }

    @Override
    public List<GrantedAuthority> getAllAuthorities() {
        ArrayList<GrantedAuthority> res = new ArrayList<GrantedAuthority>();
        List<Role> roles = roleService.loadAllRoles();
        for (Role role : roles) {
            res.add(new GrantedAuthorityImpl(role.getName()));
        }
        return res;
    }

    @Override
    public GrantedAuthority getGrantedAuthorityByID(String name) {
        return new GrantedAuthorityImpl(roleService.loadRoleByName(name).getName());
    }
}