SecurityConfiguration.java

package com.juan.test.spring.oauth2;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.authentication.AuthenticationManager;
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.builders.WebSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.web.util.matcher.AntPathRequestMatcher;

@Configuration
@EnableWebSecurity
public class SecurityConfiguration extends WebSecurityConfigurerAdapter {
	
	@Autowired
    public void globalUserDetails(AuthenticationManagerBuilder auth) throws Exception {
        auth.inMemoryAuthentication()
        			.withUser("user")
        			.password("password")
        			.roles("USER");
    }

    @Override
    public void configure(WebSecurity web) throws Exception {
        web.ignoring().antMatchers("/webjars/**", "/images/**", "/oauth/uncache_approvals", "/oauth/cache_approvals");
    }

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

    @Override
    protected void configure(HttpSecurity http) throws Exception {
         http
         	.httpBasic()//Importat! It's needed to perform implicit authentication
         		.and()
            .authorizeRequests()
                .anyRequest().authenticated()
                .and()
            // TODO: put CSRF protection back into this endpoint
            .csrf()
                .requireCsrfProtectionMatcher(new AntPathRequestMatcher("/oauth/authorize"))
                .disable();
    }
}