SecurityConfig

package com.example.loginbysocial.security;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
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.crypto.bcrypt.BCryptPasswordEncoder;
@Configuration
@EnableWebSecurity
public class SecurityConfig extends WebSecurityConfigurerAdapter {
    @Override
    protected void configure(HttpSecurity http) throws Exception {
        http.authorizeRequests().antMatchers("/admin/**").access("hasRole('ROLE_ADMIN')");
        http.authorizeRequests().antMatchers("/user/**").access("hasRole('ROLE_ADMIN') or hasRole('ROLE_USER')");
        http.authorizeRequests().and().exceptionHandling().accessDeniedPage("/403");
        http.authorizeRequests().and().formLogin()//
                .loginProcessingUrl("/j_spring_security_login")
                .loginPage("/login")
                .defaultSuccessUrl("/user")
                .failureUrl("/login?message=error")
                .usernameParameter("username")
                .passwordParameter("password")
                .and().logout().logoutUrl("/j_spring_security_logout").logoutSuccessUrl("/login?message=logout");
    }
}