abid.password.springmvc.MutablePasswordAuthenticationProvider.java Source code

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Here is the source code for abid.password.springmvc.MutablePasswordAuthenticationProvider.java

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/**
 * Copyright 2012 Abid Khalil
 *
 * 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 abid.password.springmvc;

import java.util.ArrayList;
import java.util.Collection;
import java.util.List;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.authentication.BadCredentialsException;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.authentication.dao.AbstractUserDetailsAuthenticationProvider;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.core.userdetails.UserDetails;

import abid.password.springmvc.model.User;
import abid.password.springmvc.service.UserException;
import abid.password.springmvc.service.UserService;
import abid.password.springmvc.util.StringUtils;

public class MutablePasswordAuthenticationProvider extends AbstractUserDetailsAuthenticationProvider {

    private static final Logger log = LoggerFactory.getLogger(MutablePasswordAuthenticationProvider.class);

    private UserService userService;

    @Autowired
    public void setUserService(UserService userService) {
        this.userService = userService;
    }

    @Override
    protected void additionalAuthenticationChecks(UserDetails userDetails,
            UsernamePasswordAuthenticationToken authentication) throws AuthenticationException {
    }

    @Override
    protected UserDetails retrieveUser(String username, UsernamePasswordAuthenticationToken authentication)
            throws AuthenticationException {
        if (StringUtils.isEmpty(username)) {
            throw new BadCredentialsException(getLocalisedMessage("authentication.username.required"));
        }
        String password = String.valueOf(authentication.getCredentials());
        if (StringUtils.isEmpty(password)) {
            throw new BadCredentialsException(getLocalisedMessage("authentication.password.required"));
        }

        try {
            User authenticatedUser = userService.authenticate(username, password);
            if (authenticatedUser != null) {
                return new CustomUserDetails(authenticatedUser);
            }
        } catch (UserException e) {
            log.error("Error occurred authentication user", e);
        }

        throw new BadCredentialsException(getLocalisedMessage("authentication.failed"));
    }

    private String getLocalisedMessage(String code) {
        return messages.getMessage(code, "Missing [" + code + "]");
    }

    public static class CustomUserDetails implements UserDetails {

        private static final long serialVersionUID = 1L;
        private User user;

        public CustomUserDetails(User user) {
            this.user = user;
        }

        public Collection<GrantedAuthority> getAuthorities() {
            List<GrantedAuthority> authorities = new ArrayList<GrantedAuthority>();
            authorities.add(new SimpleGrantedAuthority("ROLE_USER"));
            return authorities;
        }

        public String getPassword() {
            return user.getPassword();
        }

        public String getUsername() {
            return user.getUsername();
        }

        public boolean isAccountNonExpired() {
            return true;
        }

        public boolean isAccountNonLocked() {
            return true;
        }

        public boolean isCredentialsNonExpired() {
            return true;
        }

        public boolean isEnabled() {
            return true;
        }
    }
}