org.davidmendoza.esu.config.SecurityConfig.java Source code

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Here is the source code for org.davidmendoza.esu.config.SecurityConfig.java

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/*
 * The MIT License
 *
 * Copyright 2015 J. David Mendoza.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package org.davidmendoza.esu.config;

import java.util.ArrayList;
import java.util.List;
import javax.sql.DataSource;
import org.davidmendoza.esu.utils.LoginHandler;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.access.AccessDecisionManager;
import org.springframework.security.access.hierarchicalroles.RoleHierarchy;
import org.springframework.security.access.hierarchicalroles.RoleHierarchyAuthoritiesMapper;
import org.springframework.security.access.hierarchicalroles.RoleHierarchyImpl;
import org.springframework.security.access.vote.AffirmativeBased;
import org.springframework.security.access.vote.RoleHierarchyVoter;
import org.springframework.security.access.vote.RoleVoter;
import org.springframework.security.authentication.dao.DaoAuthenticationProvider;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.security.web.access.expression.DefaultWebSecurityExpressionHandler;
import org.springframework.security.web.access.expression.WebExpressionVoter;

/**
 *
 * @author J. David Mendoza <jdmendoza@swau.edu>
 */
@Configuration
@EnableWebSecurity
public class SecurityConfig extends WebSecurityConfigurerAdapter {

    @Autowired
    private DataSource dataSource;
    @Autowired
    private LoginHandler loginHandler;
    @Autowired
    private UserDetailsService userDetailsService;

    @Override
    protected void configure(HttpSecurity http) throws Exception {
        http.authorizeRequests().antMatchers("/admin/**").hasRole("ADMIN").anyRequest().permitAll().and()
                .formLogin().loginPage("/login").loginProcessingUrl("/login/authenticate")
                .failureUrl("/login?error=bad_credentials").successHandler(loginHandler).permitAll().and().logout()
                .logoutUrl("/logout").logoutSuccessUrl("/").invalidateHttpSession(true);
    }

    @Override
    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
        auth.authenticationProvider(daoAuthenticationProvider()).jdbcAuthentication().dataSource(dataSource)
                .usersByUsernameQuery(
                        "select username, password, enabled, account_expired, account_locked, password_expired, nombre, apellido from usuarios where username = ?")
                .authoritiesByUsernameQuery(
                        "select u.username, r.authority from usuarios_roles ur inner join usuarios u on ur.usuario_id = u.id inner join roles r on ur.rol_id = r.id where u.username = ?");
    }

    @Bean
    public PasswordEncoder passwordEncoder() {
        PasswordEncoder encoder = new BCryptPasswordEncoder();
        return encoder;
    }

    @Bean
    public RoleHierarchy roleHierarchy() {
        RoleHierarchyImpl roleHierarchy = new RoleHierarchyImpl();
        roleHierarchy.setHierarchy(
                "  ROLE_ADMIN  > ROLE_EDITOR " + "ROLE_EDITOR > ROLE_AUTOR " + "ROLE_AUTOR  > ROLE_USER");

        return roleHierarchy;
    }

    @Bean
    public RoleVoter roleVoter() {
        return new RoleHierarchyVoter(roleHierarchy());
    }

    @Bean
    public DaoAuthenticationProvider daoAuthenticationProvider() {
        DaoAuthenticationProvider authenticationProvider = new DaoAuthenticationProvider();
        authenticationProvider.setUserDetailsService(userDetailsService);
        authenticationProvider.setPasswordEncoder(passwordEncoder());
        authenticationProvider.setAuthoritiesMapper(new RoleHierarchyAuthoritiesMapper(roleHierarchy()));
        return authenticationProvider;
    }

    @Bean
    @SuppressWarnings("unchecked")
    public AccessDecisionManager defaultAccessDecisionManager() {
        DefaultWebSecurityExpressionHandler defaultWebSecurityExpressionHandler = new DefaultWebSecurityExpressionHandler();
        defaultWebSecurityExpressionHandler.setRoleHierarchy(roleHierarchy());
        WebExpressionVoter webExpressionVoter = new WebExpressionVoter();
        webExpressionVoter.setExpressionHandler(defaultWebSecurityExpressionHandler);
        List voters = new ArrayList<>();
        voters.add(webExpressionVoter);
        AccessDecisionManager result = new AffirmativeBased(voters);
        return result;
    }

}