Support multiple RequestRejectedHandler beans

Closes gh-10603

config/src/test/java/org/springframework/security/config/annotation/web/builders/WebSecurityTests.java

@@ -17,6 +17,7 @@
 package org.springframework.security.config.annotation.web.builders;
 
 import javax.servlet.http.HttpServletResponse;
+import javax.servlet.ServletException;
 
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeEach;
@@ -24,6 +25,7 @@ import org.junit.jupiter.api.Test;
 
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.http.HttpStatus;
 import org.springframework.mock.web.MockFilterChain;
 import org.springframework.mock.web.MockHttpServletRequest;
 import org.springframework.mock.web.MockHttpServletResponse;
@@ -32,6 +34,7 @@ import org.springframework.security.config.annotation.authentication.builders.Au
 import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
 import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
 import org.springframework.security.web.FilterChainProxy;
+import org.springframework.security.web.firewall.HttpStatusRequestRejectedHandler;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.context.support.AnnotationConfigWebApplicationContext;
@@ -39,6 +42,8 @@ import org.springframework.web.servlet.config.annotation.EnableWebMvc;
 import org.springframework.web.servlet.config.annotation.PathMatchConfigurer;
 import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
 
+import java.io.IOException;
+
 import static org.assertj.core.api.Assertions.assertThat;
 
 /**
@@ -92,6 +97,15 @@ public class WebSecurityTests {
 		assertThat(this.response.getStatus()).isEqualTo(HttpServletResponse.SC_UNAUTHORIZED);
 	}
 
+	@Test
+	public void requestRejectedHandlerInvoked() throws ServletException, IOException {
+		loadConfig(RequestRejectedHandlerConfig.class);
+		this.request.setServletPath("/spring");
+		this.request.setRequestURI("/spring/\u0019path");
+		this.springSecurityFilterChain.doFilter(this.request, this.response, this.chain);
+		assertThat(this.response.getStatus()).isEqualTo(HttpServletResponse.SC_BAD_REQUEST);
+	}
+
 	@Test
 	public void ignoringMvcMatcherServletPath() throws Exception {
 		loadConfig(MvcMatcherServletPathConfig.class, LegacyMvcMatchingConfig.class);
@@ -223,4 +237,14 @@ public class WebSecurityTests {
 
 	}
 
+	@EnableWebSecurity
+	static class RequestRejectedHandlerConfig extends WebSecurityConfigurerAdapter {
+
+		@Override
+		public void configure(WebSecurity web) throws Exception {
+			web.requestRejectedHandler(new HttpStatusRequestRejectedHandler(HttpStatus.BAD_REQUEST.value()));
+		}
+
+	}
+
 }