Make WebAuthnAuthenticationRequestToken Serializable

config/src/test/java/org/springframework/security/SpringSecurityCoreVersionSerializableTests.java

@@ -212,21 +212,30 @@
 import org.springframework.security.web.server.firewall.ServerExchangeRejectedException;
 import org.springframework.security.web.session.HttpSessionCreatedEvent;
 import org.springframework.security.web.webauthn.api.AuthenticationExtensionsClientInputs;
+import org.springframework.security.web.webauthn.api.AuthenticationExtensionsClientOutputs;
+import org.springframework.security.web.webauthn.api.AuthenticatorAssertionResponse;
 import org.springframework.security.web.webauthn.api.AuthenticatorTransport;
 import org.springframework.security.web.webauthn.api.Bytes;
 import org.springframework.security.web.webauthn.api.CredProtectAuthenticationExtensionsClientInput;
+import org.springframework.security.web.webauthn.api.CredentialPropertiesOutput;
 import org.springframework.security.web.webauthn.api.ImmutableAuthenticationExtensionsClientInput;
 import org.springframework.security.web.webauthn.api.ImmutableAuthenticationExtensionsClientInputs;
+import org.springframework.security.web.webauthn.api.ImmutableAuthenticationExtensionsClientOutputs;
 import org.springframework.security.web.webauthn.api.ImmutablePublicKeyCredentialUserEntity;
+import org.springframework.security.web.webauthn.api.PublicKeyCredential;
 import org.springframework.security.web.webauthn.api.PublicKeyCredentialDescriptor;
 import org.springframework.security.web.webauthn.api.PublicKeyCredentialRequestOptions;
 import org.springframework.security.web.webauthn.api.PublicKeyCredentialType;
 import org.springframework.security.web.webauthn.api.PublicKeyCredentialUserEntity;
+import org.springframework.security.web.webauthn.api.TestAuthenticationAssertionResponses;
 import org.springframework.security.web.webauthn.api.TestBytes;
+import org.springframework.security.web.webauthn.api.TestPublicKeyCredential;
 import org.springframework.security.web.webauthn.api.TestPublicKeyCredentialRequestOptions;
 import org.springframework.security.web.webauthn.api.TestPublicKeyCredentialUserEntity;
 import org.springframework.security.web.webauthn.api.UserVerificationRequirement;
 import org.springframework.security.web.webauthn.authentication.WebAuthnAuthentication;
+import org.springframework.security.web.webauthn.authentication.WebAuthnAuthenticationRequestToken;
+import org.springframework.security.web.webauthn.management.RelyingPartyAuthenticationRequest;
 import org.springframework.util.ReflectionUtils;
 
 import static org.assertj.core.api.Assertions.assertThat;
@@ -629,6 +638,26 @@ class SpringSecurityCoreVersionSerializableTests {
 				.allowCredentials(List.of(descriptor))
 				.build()
 		);
+
+		CredentialPropertiesOutput credentialOutput = new CredentialPropertiesOutput(false);
+		AuthenticationExtensionsClientOutputs outputs = new ImmutableAuthenticationExtensionsClientOutputs(credentialOutput);
+		AuthenticatorAssertionResponse response = TestAuthenticationAssertionResponses.createAuthenticatorAssertionResponse()
+				.build();
+		PublicKeyCredential<AuthenticatorAssertionResponse> credential = TestPublicKeyCredential.createPublicKeyCredential(
+				response, outputs)
+				.build();
+		RelyingPartyAuthenticationRequest authRequest = new RelyingPartyAuthenticationRequest(
+				TestPublicKeyCredentialRequestOptions.create().build(),
+				credential
+		);
+		WebAuthnAuthenticationRequestToken requestToken = new WebAuthnAuthenticationRequestToken(authRequest);
+		requestToken.setDetails(details);
+		generatorByClassName.put(CredentialPropertiesOutput.class, (o) -> credentialOutput);
+		generatorByClassName.put(ImmutableAuthenticationExtensionsClientOutputs.class, (o) -> outputs);
+		generatorByClassName.put(AuthenticatorAssertionResponse.class, (r) -> response);
+		generatorByClassName.put(RelyingPartyAuthenticationRequest.class, (r) -> authRequest);
+		generatorByClassName.put(PublicKeyCredential.class, (r) -> credential);
+		generatorByClassName.put(WebAuthnAuthenticationRequestToken.class, (r) -> requestToken);
 		// @formatter:on
 	}
 

web/src/main/java/org/springframework/security/web/webauthn/api/AuthenticationExtensionsClientOutput.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2024 the original author or authors.
+ * Copyright 2002-2025 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.
@@ -16,6 +16,8 @@
 
 package org.springframework.security.web.webauthn.api;
 
+import java.io.Serializable;
+
 /**
  * A <a href="https://www.w3.org/TR/webauthn-3/#client-extension-output">client extension
  * output</a> entry in {@link AuthenticationExtensionsClientOutputs}.
@@ -24,7 +26,7 @@
  * @see AuthenticationExtensionsClientOutputs#getOutputs()
  * @see CredentialPropertiesOutput
  */
-public interface AuthenticationExtensionsClientOutput<T> {
+public interface AuthenticationExtensionsClientOutput<T> extends Serializable {
 
 	/**
 	 * Gets the <a href="https://www.w3.org/TR/webauthn-3/#extension-identifier">extension

web/src/main/java/org/springframework/security/web/webauthn/api/AuthenticationExtensionsClientOutputs.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2024 the original author or authors.
+ * Copyright 2002-2025 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.
@@ -16,6 +16,7 @@
 
 package org.springframework.security.web.webauthn.api;
 
+import java.io.Serializable;
 import java.util.List;
 
 /**
@@ -31,7 +32,7 @@
  * @since 6.4
  * @see PublicKeyCredential#getClientExtensionResults()
  */
-public interface AuthenticationExtensionsClientOutputs {
+public interface AuthenticationExtensionsClientOutputs extends Serializable {
 
 	/**
 	 * Gets all of the {@link AuthenticationExtensionsClientOutput}.

web/src/main/java/org/springframework/security/web/webauthn/api/AuthenticatorAssertionResponse.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2024 the original author or authors.
+ * Copyright 2002-2025 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.
@@ -16,6 +16,8 @@
 
 package org.springframework.security.web.webauthn.api;
 
+import java.io.Serial;
+
 /**
  * The <a href=
  * "https://www.w3.org/TR/webauthn-3/#authenticatorassertionresponse">AuthenticatorAssertionResponse</a>
@@ -38,6 +40,9 @@
  */
 public final class AuthenticatorAssertionResponse extends AuthenticatorResponse {
 
+	@Serial
+	private static final long serialVersionUID = 324976481675434298L;
+
 	private final Bytes authenticatorData;
 
 	private final Bytes signature;

web/src/main/java/org/springframework/security/web/webauthn/api/AuthenticatorResponse.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2024 the original author or authors.
+ * Copyright 2002-2025 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.
@@ -16,6 +16,8 @@
 
 package org.springframework.security.web.webauthn.api;
 
+import java.io.Serializable;
+
 /**
  * The <a href=
  * "https://www.w3.org/TR/webauthn-3/#iface-authenticatorresponse">AuthenticatorResponse</a>
@@ -26,7 +28,7 @@
  * @author Rob Winch
  * @since 6.4
  */
-public abstract class AuthenticatorResponse {
+public abstract class AuthenticatorResponse implements Serializable {
 
 	private final Bytes clientDataJSON;
 

web/src/main/java/org/springframework/security/web/webauthn/api/CredentialPropertiesOutput.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2024 the original author or authors.
+ * Copyright 2002-2025 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.
@@ -16,6 +16,9 @@
 
 package org.springframework.security.web.webauthn.api;
 
+import java.io.Serial;
+import java.io.Serializable;
+
 /**
  * <a href=
  * "https://www.w3.org/TR/webauthn-3/#dictdef-credentialpropertiesoutput">CredentialPropertiesOutput</a>
@@ -27,6 +30,9 @@
 public class CredentialPropertiesOutput
 		implements AuthenticationExtensionsClientOutput<CredentialPropertiesOutput.ExtensionOutput> {
 
+	@Serial
+	private static final long serialVersionUID = -3201699313968303331L;
+
 	/**
 	 * The extension id.
 	 */
@@ -59,7 +65,10 @@ public ExtensionOutput getOutput() {
 	 * @since 6.4
 	 * @see #getOutput()
 	 */
-	public static final class ExtensionOutput {
+	public static final class ExtensionOutput implements Serializable {
+
+		@Serial
+		private static final long serialVersionUID = 4557406414847424019L;
 
 		private final boolean rk;
 

web/src/main/java/org/springframework/security/web/webauthn/api/ImmutableAuthenticationExtensionsClientOutputs.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2024 the original author or authors.
+ * Copyright 2002-2025 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.
@@ -16,6 +16,7 @@
 
 package org.springframework.security.web.webauthn.api;
 
+import java.io.Serial;
 import java.util.Arrays;
 import java.util.List;
 
@@ -26,6 +27,9 @@
  */
 public class ImmutableAuthenticationExtensionsClientOutputs implements AuthenticationExtensionsClientOutputs {
 
+	@Serial
+	private static final long serialVersionUID = -4656390173585180393L;
+
 	private final List<AuthenticationExtensionsClientOutput<?>> outputs;
 
 	public ImmutableAuthenticationExtensionsClientOutputs(List<AuthenticationExtensionsClientOutput<?>> outputs) {

web/src/main/java/org/springframework/security/web/webauthn/api/PublicKeyCredential.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2024 the original author or authors.
+ * Copyright 2002-2025 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.
@@ -16,6 +16,9 @@
 
 package org.springframework.security.web.webauthn.api;
 
+import java.io.Serial;
+import java.io.Serializable;
+
 /**
  * <a href="https://www.w3.org/TR/webauthn-3/#iface-pkcredential">PublicKeyCredential</a>
  * contains the attributes that are returned to the caller when a new credential is
@@ -24,7 +27,10 @@
  * @author Rob Winch
  * @since 6.4
  */
-public final class PublicKeyCredential<R extends AuthenticatorResponse> {
+public final class PublicKeyCredential<R extends AuthenticatorResponse> implements Serializable {
+
+	@Serial
+	private static final long serialVersionUID = -1864035469276082606L;
 
 	private final String id;
 
@@ -34,7 +40,7 @@ public final class PublicKeyCredential<R extends AuthenticatorResponse> {
 
 	private final R response;
 
-	private final AuthenticatorAttachment authenticatorAttachment;
+	private final transient AuthenticatorAttachment authenticatorAttachment;
 
 	private final AuthenticationExtensionsClientOutputs clientExtensionResults;
 

web/src/main/java/org/springframework/security/web/webauthn/authentication/WebAuthnAuthenticationRequestToken.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2024 the original author or authors.
+ * Copyright 2002-2025 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.
@@ -16,6 +16,8 @@
 
 package org.springframework.security.web.webauthn.authentication;
 
+import java.io.Serial;
+
 import org.springframework.security.authentication.AbstractAuthenticationToken;
 import org.springframework.security.core.authority.AuthorityUtils;
 import org.springframework.security.web.webauthn.management.RelyingPartyAuthenticationRequest;
@@ -30,6 +32,9 @@
  */
 public class WebAuthnAuthenticationRequestToken extends AbstractAuthenticationToken {
 
+	@Serial
+	private static final long serialVersionUID = -1682693433877522403L;
+
 	private final RelyingPartyAuthenticationRequest webAuthnRequest;
 
 	/**

web/src/main/java/org/springframework/security/web/webauthn/management/RelyingPartyAuthenticationRequest.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2024 the original author or authors.
+ * Copyright 2002-2025 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.
@@ -16,6 +16,9 @@
 
 package org.springframework.security.web.webauthn.management;
 
+import java.io.Serial;
+import java.io.Serializable;
+
 import org.springframework.security.web.webauthn.api.AuthenticatorAssertionResponse;
 import org.springframework.security.web.webauthn.api.PublicKeyCredential;
 import org.springframework.security.web.webauthn.api.PublicKeyCredentialRequestOptions;
@@ -29,7 +32,10 @@
  * @since 6.4
  * @see WebAuthnRelyingPartyOperations#authenticate(RelyingPartyAuthenticationRequest)
  */
-public class RelyingPartyAuthenticationRequest {
+public class RelyingPartyAuthenticationRequest implements Serializable {
+
+	@Serial
+	private static final long serialVersionUID = -928083091875202086L;
 
 	private final PublicKeyCredentialRequestOptions requestOptions;
 

web/src/test/java/org/springframework/security/web/webauthn/api/TestAuthenticationAssertionResponses.java

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2002-2025 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.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.security.web.webauthn.api;
+
+/**
+ * @author Max Batischev
+ */
+public final class TestAuthenticationAssertionResponses {
+
+	public static AuthenticatorAssertionResponse.AuthenticatorAssertionResponseBuilder createAuthenticatorAssertionResponse() {
+		return AuthenticatorAssertionResponse.builder()
+			.authenticatorData(Bytes.fromBase64("SZYN5YgOjGh0NBcPZHZgW4_krrmihjLHmVzzuoMdl2MdAAAAAA"))
+			.clientDataJSON(Bytes.fromBase64(
+					"eyJ0eXBlIjoid2ViYXV0aG4uZ2V0IiwiY2hhbGxlbmdlIjoiaDB2Z3dHUWpvQ3pBekRVc216UHBrLUpWSUpSUmduMEw0S1ZTWU5SY0VaYyIsIm9yaWdpbiI6Imh0dHA6Ly9sb2NhbGhvc3Q6ODA4MCIsImNyb3NzT3JpZ2luIjpmYWxzZX0"))
+			.signature(Bytes.fromBase64(
+					"MEUCIAdfzPAn3voyXynwa0IXk1S0envMY5KP3NEe9aj4B2BuAiEAm_KJhQoWXdvfhbzwACU3NM4ltQe7_Il46qFUwtpuTdg"))
+			.userHandle(Bytes.fromBase64("oWJtkJ6vJ_m5b84LB4_K7QKTCTEwLIjCh4tFMCGHO4w"));
+	}
+
+	private TestAuthenticationAssertionResponses() {
+	}
+
+}

web/src/test/java/org/springframework/security/web/webauthn/api/TestPublicKeyCredential.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2024 the original author or authors.
+ * Copyright 2002-2025 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.
@@ -38,6 +38,17 @@ public static <R extends AuthenticatorResponse> PublicKeyCredential.PublicKeyCre
 			.clientExtensionResults(clientExtensionResults);
 	}
 
+	public static <R extends AuthenticatorResponse> PublicKeyCredential.PublicKeyCredentialBuilder<R> createPublicKeyCredential(
+			R response, AuthenticationExtensionsClientOutputs outputs) {
+		return PublicKeyCredential.builder()
+			.id("AX6nVVERrH6opMafUGn3Z9EyNEy6cftfBKV_2YxYl1jdW8CSJxMKGXFV3bnrKTiMSJeInkG7C6B2lPt8E5i3KaM")
+			.rawId(Bytes
+				.fromBase64("AX6nVVERrH6opMafUGn3Z9EyNEy6cftfBKV_2YxYl1jdW8CSJxMKGXFV3bnrKTiMSJeInkG7C6B2lPt8E5i3KaM"))
+			.response(response)
+			.type(PublicKeyCredentialType.PUBLIC_KEY)
+			.clientExtensionResults(outputs);
+	}
+
 	private TestPublicKeyCredential() {
 	}