BAEL-4610: Add {noop} example security config (#10046)

spring-5-security/src/main/java/com/baeldung/inmemory/InMemoryNoOpAuthWebSecurityConfigurer.java

@@ -0,0 +1,29 @@
+package com.baeldung.inmemory;
+
+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.WebSecurityConfigurerAdapter;
+
+//@Configuration
+public class InMemoryNoOpAuthWebSecurityConfigurer extends WebSecurityConfigurerAdapter {
+
+    @Override
+    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
+        auth.inMemoryAuthentication()
+            .withUser("spring")
+            .password("{noop}secret")
+            .roles("USER");
+    }
+
+    @Override
+    protected void configure(HttpSecurity http) throws Exception {
+        http.authorizeRequests()
+            .antMatchers("/private/**")
+            .authenticated()
+            .antMatchers("/public/**")
+            .permitAll()
+            .and()
+            .httpBasic();
+    }
+}