https://www.linkedin.com/learning/search?entityType=COURSE&keywords=spring%20security
    ! 216

2022
https://www.linkedin.com/learning/instructors/frank-p-moley-iii
https://www.linkedin.com/learning/spring-spring-security-15832928/
    ! 1h31m, 2022
    https://www.linkedin.com/learning/spring-spring-security-15832928/in-memory-authentication
        deps (org.springframework.boot)
            * spring-boot-starter-security
            * spring-security-test

        create a new class ...config/WebSecurityConfig
            ...
            import org.springframework.context.annotation.Bean;
            import org.springframework.context.annotation.Configuration;
            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.User;
            import org.springframework.security.core.userdetails.UserDetails;
            import org.springframework.security.core.userdetails.UserDetailsService;
            import org.springframework.security.provisioning.InMemoryUserDetailsManager;
            ...
            @Configuration
            @EnableWebSecurity
            public class WebSecurityConfig extends WebSecurityConfigurerAdopter {
                @Override
                protected void configure(HttpSecurity httpSecurity) throws Exception {
                    http
                        .authorizeRequest()
                        .antMatchers("/", "/home").permitAll()
                        .anyRequest().authenticated()
                        .and()
                        .httpBasic();
                }
                @Bean
                @Override
                public UserDetailsService userDetailsService() {
                    UserDetails user = User
                        .withDefaultPasswordEncoder() // deprecated, for test purp only
                        .username("user")
                        .password("password")
                        .roles("USER")
                        .build();
                    return new InMemoryUserDatailsManager(user);
                }
            }
    https://www.linkedin.com/learning/spring-spring-security-15832928/jdbc-authentication