Adapt to deprecation in Spring Security snapshots

See gh-44598

Author: snicoll

spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/howto/security/enablehttps/MySecurityConfig.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2022 the original author or authors.
+ * Copyright 2012-2025 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -18,6 +18,7 @@
 
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.security.config.Customizer;
 import org.springframework.security.config.annotation.web.builders.HttpSecurity;
 import org.springframework.security.web.SecurityFilterChain;
 
@@ -27,7 +28,7 @@ public class MySecurityConfig {
 	@Bean
 	public SecurityFilterChain securityFilterChain(HttpSecurity http) throws Exception {
 		// Customize the application security ...
-		http.requiresChannel((channel) -> channel.anyRequest().requiresSecure());
+		http.redirectToHttps(Customizer.withDefaults());
 		return http.build();
 	}
 

spring-boot-project/spring-boot-docs/src/main/kotlin/org/springframework/boot/docs/howto/security/enablehttps/MySecurityConfig.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2022 the original author or authors.
+ * Copyright 2012-2025 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -18,6 +18,7 @@ package org.springframework.boot.docs.howto.security.enablehttps
 
 import org.springframework.context.annotation.Bean
 import org.springframework.context.annotation.Configuration
+import org.springframework.security.config.Customizer
 import org.springframework.security.config.annotation.web.builders.HttpSecurity
 import org.springframework.security.web.SecurityFilterChain
 
@@ -27,7 +28,7 @@ class MySecurityConfig {
 	@Bean
 	fun securityFilterChain(http: HttpSecurity): SecurityFilterChain {
 		// Customize the application security ...
-		http.requiresChannel { requests -> requests.anyRequest().requiresSecure() }
+		http.redirectToHttps { }
 		return http.build()
 	}