com.company.project.web.controller.service.CustomRememberMeUserDetailsService.java Source code

Introduction

Here is the source code for com.company.project.web.controller.service.CustomRememberMeUserDetailsService.java

Source

/*
 * Copyright 2014 Romer.
 *
 * 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 com.company.project.web.controller.service;

import java.lang.annotation.Annotation;
import java.security.Permission;
import java.util.ArrayList;
import org.springframework.stereotype.Service;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.springframework.context.annotation.Role;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.core.userdetails.User;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;

/**
 *
 * @author Romer
 */
//@Service("customRememberMeUserDetailsService")
@Service
public class CustomRememberMeUserDetailsService implements UserDetailsService {

    private Map<String, Map<String, String>> users = new HashMap<String, Map<String, String>>();

    public CustomRememberMeUserDetailsService() {
    }

    @Override
    public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
        try {
            Map<String, String> user = new HashMap<String, String>();
            user.put("username", "admin");
            user.put("password", "");
            user.put("role", "ROLE_ADMIN");
            users.put("admin", user);
            user = new HashMap<String, String>();
            user.put("username", "sadmin");
            user.put("password", "");
            user.put("role", "ROLE_SYS_ADMIN");
            users.put("sadmin", user);
            user = new HashMap<String, String>();
            user.put("username", "user");
            user.put("password", "");
            user.put("role", "ROLE_USER");
            users.put("user", user);

            user = users.get(username);

            if (user == null) {
                return null;
            }

            List<GrantedAuthority> authorities = getAuthorities(user.get("role"));
            boolean enabled = true;
            boolean accountNonExpired = true;
            boolean credentialsNonExpired = true;
            boolean accountNonLocked = true;

            // BCryptPasswordEncoder automatically generates a salt and concatenates it.
            PasswordEncoder passwordEncoder = new BCryptPasswordEncoder();
            String encodedPassword = passwordEncoder.encode(user.get("password"));

            return new User(user.get("username"), encodedPassword, enabled, accountNonExpired,
                    credentialsNonExpired, accountNonLocked, authorities);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

    private static List<GrantedAuthority> getAuthorities(String role) {
        List<GrantedAuthority> authorities = new ArrayList<GrantedAuthority>();

        //        for (Role role : employee.getRoles()) {
        //            for (Permission permission : role.getPermissions()) {
        authorities.add(new SimpleGrantedAuthority(role));
        //            }
        //        }
        return authorities;
    }
}