Add Jackson 3 TestingAuthenticationToken Support

Without this many of the tests fail when using Jackson 3

core/src/main/java/org/springframework/security/jackson/CoreJacksonModule.java

@@ -107,6 +107,7 @@ public class CoreJacksonModule extends SecurityJacksonModule {
 		context.setMixIn(FactorGrantedAuthority.class, FactorGrantedAuthorityMixin.class);
 		context.setMixIn(User.class, UserMixin.class);
 		context.setMixIn(UsernamePasswordAuthenticationToken.class, UsernamePasswordAuthenticationTokenMixin.class);
+		context.setMixIn(TestingAuthenticationToken.class, TestingAuthenticationTokenMixin.class);
 		context.setMixIn(BadCredentialsException.class, BadCredentialsExceptionMixin.class);
 	}
 

core/src/main/java/org/springframework/security/jackson/TestingAuthenticationTokenMixin.java

@@ -14,36 +14,44 @@
  * limitations under the License.
  */
 
-package org.springframework.security.oauth2.server.authorization.jackson;
+package org.springframework.security.jackson;
 
-import java.util.List;
+import java.util.Collection;
 
 import com.fasterxml.jackson.annotation.JsonAutoDetect;
 import com.fasterxml.jackson.annotation.JsonCreator;
-import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonTypeInfo;
 
-import org.springframework.security.authentication.TestingAuthenticationToken;
 import org.springframework.security.core.GrantedAuthority;
 
 /**
- * This mixin class is used to serialize/deserialize {@link TestingAuthenticationToken}.
+ * This is a Jackson mixin class helps in serialize/deserialize
+ * {@link org.springframework.security.authentication.AnonymousAuthenticationToken} class.
  *
- * @author Steve Riesenberg
+ * @author Sebastien Deleuze
+ * @author Jitendra Singh
  * @since 7.0
- * @see TestingAuthenticationToken
+ * @see CoreJacksonModule
+ * @see SecurityJacksonModules
  */
 @JsonTypeInfo(use = JsonTypeInfo.Id.CLASS)
-@JsonAutoDetect(fieldVisibility = JsonAutoDetect.Visibility.ANY, getterVisibility = JsonAutoDetect.Visibility.NONE,
-		isGetterVisibility = JsonAutoDetect.Visibility.NONE)
-@JsonIgnoreProperties(value = { "authenticated" }, ignoreUnknown = true)
-public class TestingAuthenticationTokenMixin {
+@JsonAutoDetect(fieldVisibility = JsonAutoDetect.Visibility.ANY, isGetterVisibility = JsonAutoDetect.Visibility.NONE,
+		getterVisibility = JsonAutoDetect.Visibility.NONE, creatorVisibility = JsonAutoDetect.Visibility.ANY)
+class TestingAuthenticationTokenMixin {
 
+	/**
+	 * Constructor used by Jackson to create object of
+	 * {@link org.springframework.security.authentication.AnonymousAuthenticationToken}.
+	 * {@link org.springframework.security.authentication.AnonymousAuthenticationToken#AnonymousAuthenticationToken(String, Object, Collection)}
+	 * @param principal the principal (typically a <code>UserDetails</code>)
+	 * @param credentials the credentials
+	 * @param authorities the authorities granted to the principal
+	 */
 	@JsonCreator
 	TestingAuthenticationTokenMixin(@JsonProperty("principal") Object principal,
 			@JsonProperty("credentials") Object credentials,
-			@JsonProperty("authorities") List<GrantedAuthority> authorities) {
+			@JsonProperty("authorities") Collection<? extends GrantedAuthority> authorities) {
 	}
 
 }

core/src/test/java/org/springframework/security/jackson/TestingAuthenticationTokenMixinTests.java

@@ -0,0 +1,72 @@
+/*
+ * Copyright 2004-present 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.jackson;
+
+import org.junit.jupiter.api.Test;
+import org.skyscreamer.jsonassert.JSONAssert;
+
+import org.springframework.security.authentication.TestingAuthenticationToken;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * Tests {@link TestingAuthenticationTokenMixin}.
+ *
+ * @author Rob Winch
+ * @since 7.0
+ */
+class TestingAuthenticationTokenMixinTests extends AbstractMixinTests {
+
+	private static final String EXPECTED_JSON = """
+			{
+				"@class": "org.springframework.security.authentication.TestingAuthenticationToken",
+				"authorities": [
+				  "java.util.Collections$UnmodifiableRandomAccessList",
+				  [
+				    {
+				      "@class": "org.springframework.security.core.authority.SimpleGrantedAuthority",
+				      "authority": "ROLE_A"
+				    },
+				    {
+				      "@class": "org.springframework.security.core.authority.SimpleGrantedAuthority",
+				      "authority": "ROLE_B"
+				    }
+				  ]
+				],
+				"details": null,
+				"authenticated": true,
+				"credentials": null,
+				"principal": "principal"
+			}""";
+
+	private TestingAuthenticationToken expectedToken = new TestingAuthenticationToken("principal", null, "ROLE_A",
+			"ROLE_B");
+
+	@Test
+	void serialize() throws Exception {
+		String json = this.mapper.writeValueAsString(this.expectedToken);
+		JSONAssert.assertEquals(EXPECTED_JSON, json, true);
+	}
+
+	@Test
+	void deserialize() {
+		TestingAuthenticationToken actual = (TestingAuthenticationToken) this.mapper.readValue(EXPECTED_JSON,
+				Object.class);
+		assertThat(actual).isEqualTo(this.expectedToken);
+	}
+
+}