source: src/main/java/project/educatum/config/SecurityConfig.java

package project.educatum.config;


import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.security.oauth2.client.EnableOAuth2Sso;
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.builders.WebSecurity;
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.password.PasswordEncoder;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;

@Configuration
@EnableOAuth2Sso
@EnableWebSecurity
public class SecurityConfig extends WebSecurityConfigurerAdapter {

    private final PasswordEncoder passwordEncoder;
    private final CustomAuthenticationProvider customAuthenticationProvider;

    public SecurityConfig(PasswordEncoder passwordEncoder, CustomAuthenticationProvider customAuthenticationProvider) {
        this.passwordEncoder = passwordEncoder;
        this.customAuthenticationProvider = customAuthenticationProvider;
    }

    @Override
    public void configure(WebSecurity web) throws Exception {
        web.ignoring().antMatchers("/h2**");
        web.ignoring().antMatchers("/**");
    }

    @Override
    protected void configure(HttpSecurity http) throws Exception {
        http.csrf().disable()
                .authorizeRequests()
                .antMatchers("/", "/home", "/assets/**", "/register", "/login").permitAll()
                .antMatchers("/admin/**").hasRole("ADMIN")
                .anyRequest()
                .authenticated()
                .and()
                .formLogin()
                .loginPage("/login").permitAll()
                .failureUrl("/login?error=BadCredentials")
                .defaultSuccessUrl("/home", true)
                .and()
                .logout()
                .logoutUrl("/logout")
                .clearAuthentication(true)
                .invalidateHttpSession(true)
                .deleteCookies("JSESSIONID")
                .logoutSuccessUrl("/login");
    }

    @Override
    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
        auth.authenticationProvider(customAuthenticationProvider);
    }
}