securityconfig

package cc.serviceops.config;
//import cc.serviceops.account.UserDetailsServiceImpl;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.access.expression.SecurityExpressionHandler;
import org.springframework.security.access.hierarchicalroles.RoleHierarchy;
import org.springframework.security.access.hierarchicalroles.RoleHierarchyImpl;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.authentication.dao.DaoAuthenticationProvider;
import org.springframework.security.config.BeanIds;
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.factory.PasswordEncoderFactories;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.security.web.FilterInvocation;
import org.springframework.security.web.access.expression.DefaultWebSecurityExpressionHandler;
import javax.sql.DataSource;

@Configuration
@EnableWebSecurity
public class SecurityConfig extends WebSecurityConfigurerAdapter {
    private DataSource dataSource;

    @Autowired
    public void setDataSource(DataSource dataSource){
        this.dataSource = dataSource;
    }
    //@Bean
    //public UserDetailsService userDetailsService() {
        //return new UserDetailsServiceImpl();
    //}

    @Bean
    public PasswordEncoder encoder() {
        return PasswordEncoderFactories.createDelegatingPasswordEncoder();
    }

    @Bean
    public DaoAuthenticationProvider authenticationProvider() {
        DaoAuthenticationProvider authenticationProvider = new DaoAuthenticationProvider();
        authenticationProvider.setUserDetailsService(userDetailsService());
        authenticationProvider.setPasswordEncoder(encoder());
        return authenticationProvider;
    }

    // ========= Custom login and permissions ========= //
    @Override
    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
        auth
                .jdbcAuthentication()
                .dataSource(dataSource)
                .usersByUsernameQuery("select email,password,enabled from account where email = ?")
                .authoritiesByUsernameQuery("select email,role from account where email = ?");
               // .authenticationProvider(authenticationProvider());
    }

    @Override
    protected void configure(HttpSecurity http) throws Exception {
        http
            .authorizeRequests()
                .expressionHandler(webExpressionHandler())
                .antMatchers("/", "/home", "/register", "/css/**", "/img/**", "/scripts/**", "/fonts/**", "/api/organisations**").permitAll()
                .antMatchers("/signup", "/**", "/**/**").permitAll()
                .antMatchers("/dashboard").hasAnyRole("AGENT", "ADMIN")
                .antMatchers("/organisation", "/categories", "/teams", "/users").hasRole("ADMIN")
                .anyRequest().authenticated()
            .and()
                .formLogin()
                .loginPage("/login")
                .defaultSuccessUrl("/dashboard", true)
                .permitAll()
            .and()
                .logout()
                .logoutSuccessUrl("/login?logout")
                .permitAll()
                .and()
                .rememberMe().key("uniqueAndSecret");
    }

    @Bean
    public PasswordEncoder passwordEncoder() {
        return PasswordEncoderFactories.createDelegatingPasswordEncoder();
    }

    @Bean(name = BeanIds.AUTHENTICATION_MANAGER)
    @Override
    public AuthenticationManager authenticationManagerBean() throws Exception {
        return super.authenticationManagerBean();
    }

    @Bean
    public RoleHierarchy roleHierarchy() {
        RoleHierarchyImpl hierarchy = new RoleHierarchyImpl();
        hierarchy.setHierarchy("ADMIN > AGENT\nAGENT > GUEST");
        return hierarchy;
    }

    private SecurityExpressionHandler<FilterInvocation> webExpressionHandler() {
        DefaultWebSecurityExpressionHandler defaultWebSecurityExpressionHandler = new DefaultWebSecurityExpressionHandler();
        defaultWebSecurityExpressionHandler.setRoleHierarchy(roleHierarchy());
        return defaultWebSecurityExpressionHandler;
    }
}