Start with LDAP Jackson2 mixins

Issue gh-9263

core/src/main/java/org/springframework/security/jackson2/SecurityJackson2Modules.java

@@ -84,6 +84,8 @@ public final class SecurityJackson2Modules {
 
 	private static final String javaTimeJackson2ModuleClass = "com.fasterxml.jackson.datatype.jsr310.JavaTimeModule";
 
+	private static final String ldapJackson2ModuleClass = "org.springframework.security.ldap.jackson2.LdapJackson2Module";
+
 	private SecurityJackson2Modules() {
 	}
 
@@ -129,6 +131,9 @@ public static List<Module> getModules(ClassLoader loader) {
 		if (ClassUtils.isPresent(javaTimeJackson2ModuleClass, loader)) {
 			addToModulesList(loader, modules, javaTimeJackson2ModuleClass);
 		}
+		if (ClassUtils.isPresent(ldapJackson2ModuleClass, loader)) {
+			addToModulesList(loader, modules, ldapJackson2ModuleClass);
+		}
 		return modules;
 	}
 

ldap/spring-security-ldap.gradle

@@ -8,6 +8,7 @@ dependencies {
 	api 'org.springframework:spring-core'
 	api 'org.springframework:spring-tx'
 
+	optional 'com.fasterxml.jackson.core:jackson-databind'
 	optional 'ldapsdk:ldapsdk'
 	optional "com.unboundid:unboundid-ldapsdk"
 	optional "org.apache.directory.server:apacheds-core"
@@ -34,6 +35,7 @@ dependencies {
 	testImplementation "org.mockito:mockito-core"
 	testImplementation "org.mockito:mockito-junit-jupiter"
 	testImplementation "org.springframework:spring-test"
+	testImplementation 'org.skyscreamer:jsonassert'
 }
 
 integrationTest {

ldap/src/main/java/org/springframework/security/ldap/jackson2/InetOrgPersonMixin.java

@@ -0,0 +1,46 @@
+/*
+ * Copyright 2015-2020 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.ldap.jackson2;
+
+import com.fasterxml.jackson.annotation.JsonAutoDetect;
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import com.fasterxml.jackson.annotation.JsonTypeInfo;
+
+import org.springframework.security.jackson2.SecurityJackson2Modules;
+
+/**
+ * This is a Jackson mixin class helps in serialize/deserialize
+ * {@link org.springframework.security.ldap.userdetails.InetOrgPerson} class. To use this
+ * class you need to register it with {@link com.fasterxml.jackson.databind.ObjectMapper}.
+ *
+ * <pre>
+ *     ObjectMapper mapper = new ObjectMapper();
+ *     mapper.registerModule(new LdapJackson2Module());
+ * </pre>
+ *
+ * <i>Note: This class will save full class name into a property called @class</i>
+ *
+ * @see LdapJackson2Module
+ * @see SecurityJackson2Modules
+ */
+@JsonTypeInfo(use = JsonTypeInfo.Id.CLASS, include = JsonTypeInfo.As.PROPERTY)
+@JsonAutoDetect(fieldVisibility = JsonAutoDetect.Visibility.ANY, getterVisibility = JsonAutoDetect.Visibility.NONE,
+		isGetterVisibility = JsonAutoDetect.Visibility.NONE)
+@JsonIgnoreProperties(ignoreUnknown = true)
+abstract class InetOrgPersonMixin {
+
+}

ldap/src/main/java/org/springframework/security/ldap/jackson2/LdapAuthorityMixin.java

@@ -0,0 +1,62 @@
+/*
+ * Copyright 2015-2020 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.ldap.jackson2;
+
+import java.util.List;
+import java.util.Map;
+
+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.jackson2.SecurityJackson2Modules;
+
+/**
+ * This is a Jackson mixin class helps in serialize/deserialize
+ * {@link org.springframework.security.ldap.userdetails.LdapAuthority} class. To use this
+ * class you need to register it with {@link com.fasterxml.jackson.databind.ObjectMapper}.
+ *
+ * <pre>
+ *     ObjectMapper mapper = new ObjectMapper();
+ *     mapper.registerModule(new LdapJackson2Module());
+ * </pre>
+ *
+ * <i>Note: This class will save full class name into a property called @class</i>
+ *
+ * @see LdapJackson2Module
+ * @see SecurityJackson2Modules
+ */
+@JsonTypeInfo(use = JsonTypeInfo.Id.CLASS, include = JsonTypeInfo.As.PROPERTY)
+@JsonAutoDetect(fieldVisibility = JsonAutoDetect.Visibility.ANY, getterVisibility = JsonAutoDetect.Visibility.NONE)
+@JsonIgnoreProperties(ignoreUnknown = true)
+abstract class LdapAuthorityMixin {
+
+	/**
+	 * Constructor used by Jackson to create object of
+	 * {@link org.springframework.security.ldap.userdetails.LdapAuthority}.
+	 * @param role
+	 * @param dn
+	 * @param attributes
+	 */
+	@JsonCreator
+	LdapAuthorityMixin(@JsonProperty("role") String role, @JsonProperty("dn") String dn,
+			@JsonProperty("attributes") Map<String, List<String>> attributes) {
+	}
+
+}

ldap/src/main/java/org/springframework/security/ldap/jackson2/LdapJackson2Module.java

@@ -0,0 +1,60 @@
+/*
+ * Copyright 2015-2020 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.ldap.jackson2;
+
+import com.fasterxml.jackson.core.Version;
+import com.fasterxml.jackson.databind.module.SimpleModule;
+
+import org.springframework.security.jackson2.SecurityJackson2Modules;
+import org.springframework.security.ldap.userdetails.InetOrgPerson;
+import org.springframework.security.ldap.userdetails.LdapAuthority;
+import org.springframework.security.ldap.userdetails.LdapUserDetailsImpl;
+import org.springframework.security.ldap.userdetails.Person;
+
+/**
+ * Jackson module for spring-security-ldap. This module registers
+ * {@link LdapAuthorityMixin}, {@link LdapUserDetailsImplMixin}, {@link PersonMixin},
+ * {@link InetOrgPersonMixin}. If no default typing enabled by default then it'll enable
+ * it because typing info is needed to properly serialize/deserialize objects. In order to
+ * use this module just add this module into your ObjectMapper configuration.
+ *
+ * <pre>
+ *     ObjectMapper mapper = new ObjectMapper();
+ *     mapper.registerModule(new LdapJackson2Module());
+ * </pre>
+ *
+ * <b>Note: use {@link SecurityJackson2Modules#getModules(ClassLoader)} to get list of all
+ * security modules.</b>
+ *
+ * @see SecurityJackson2Modules
+ */
+public class LdapJackson2Module extends SimpleModule {
+
+	public LdapJackson2Module() {
+		super(LdapJackson2Module.class.getName(), new Version(1, 0, 0, null, null, null));
+	}
+
+	@Override
+	public void setupModule(SetupContext context) {
+		SecurityJackson2Modules.enableDefaultTyping(context.getOwner());
+		context.setMixInAnnotations(LdapAuthority.class, LdapAuthorityMixin.class);
+		context.setMixInAnnotations(LdapUserDetailsImpl.class, LdapUserDetailsImplMixin.class);
+		context.setMixInAnnotations(Person.class, PersonMixin.class);
+		context.setMixInAnnotations(InetOrgPerson.class, InetOrgPersonMixin.class);
+	}
+
+}

ldap/src/main/java/org/springframework/security/ldap/jackson2/LdapUserDetailsImplMixin.java

@@ -0,0 +1,47 @@
+/*
+ * Copyright 2015-2020 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.ldap.jackson2;
+
+import com.fasterxml.jackson.annotation.JsonAutoDetect;
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import com.fasterxml.jackson.annotation.JsonTypeInfo;
+
+import org.springframework.security.jackson2.SecurityJackson2Modules;
+
+/**
+ * This is a Jackson mixin class helps in serialize/deserialize
+ * {@link org.springframework.security.ldap.userdetails.LdapUserDetailsImpl} class. To use
+ * this class you need to register it with
+ * {@link com.fasterxml.jackson.databind.ObjectMapper}.
+ *
+ * <pre>
+ *     ObjectMapper mapper = new ObjectMapper();
+ *     mapper.registerModule(new LdapJackson2Module());
+ * </pre>
+ *
+ * <i>Note: This class will save full class name into a property called @class</i>
+ *
+ * @see LdapJackson2Module
+ * @see SecurityJackson2Modules
+ */
+@JsonTypeInfo(use = JsonTypeInfo.Id.CLASS, include = JsonTypeInfo.As.PROPERTY)
+@JsonAutoDetect(fieldVisibility = JsonAutoDetect.Visibility.ANY, getterVisibility = JsonAutoDetect.Visibility.NONE,
+		isGetterVisibility = JsonAutoDetect.Visibility.NONE)
+@JsonIgnoreProperties(ignoreUnknown = true)
+abstract class LdapUserDetailsImplMixin {
+
+}

ldap/src/main/java/org/springframework/security/ldap/jackson2/PersonMixin.java

@@ -0,0 +1,46 @@
+/*
+ * Copyright 2015-2020 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.ldap.jackson2;
+
+import com.fasterxml.jackson.annotation.JsonAutoDetect;
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import com.fasterxml.jackson.annotation.JsonTypeInfo;
+
+import org.springframework.security.jackson2.SecurityJackson2Modules;
+
+/**
+ * This is a Jackson mixin class helps in serialize/deserialize
+ * {@link org.springframework.security.ldap.userdetails.Person} class. To use this class
+ * you need to register it with {@link com.fasterxml.jackson.databind.ObjectMapper}.
+ *
+ * <pre>
+ *     ObjectMapper mapper = new ObjectMapper();
+ *     mapper.registerModule(new LdapJackson2Module());
+ * </pre>
+ *
+ * <i>Note: This class will save full class name into a property called @class</i>
+ *
+ * @see LdapJackson2Module
+ * @see SecurityJackson2Modules
+ */
+@JsonTypeInfo(use = JsonTypeInfo.Id.CLASS, include = JsonTypeInfo.As.PROPERTY)
+@JsonAutoDetect(fieldVisibility = JsonAutoDetect.Visibility.ANY, getterVisibility = JsonAutoDetect.Visibility.NONE,
+		isGetterVisibility = JsonAutoDetect.Visibility.NONE)
+@JsonIgnoreProperties(ignoreUnknown = true)
+abstract class PersonMixin {
+
+}

ldap/src/test/java/org/springframework/security/ldap/jackson2/InetOrgPersonMixinTests.java

@@ -0,0 +1,95 @@
+/*
+ * Copyright 2002-2020 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.ldap.jackson2;
+
+import org.springframework.ldap.core.DirContextAdapter;
+import org.springframework.ldap.core.DistinguishedName;
+import org.springframework.security.jackson2.SecurityJackson2Modules;
+import org.springframework.security.ldap.userdetails.InetOrgPerson;
+import org.springframework.security.ldap.userdetails.Person;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Disabled;
+import org.junit.jupiter.api.Test;
+import org.skyscreamer.jsonassert.JSONAssert;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.junit.jupiter.api.Assertions.*;
+
+/**
+ * Tests for {@link InetOrgPersonMixin}.
+ */
+class InetOrgPersonMixinTests {
+
+	private ObjectMapper mapper;
+
+	@BeforeEach
+	public void setup() {
+		ClassLoader loader = getClass().getClassLoader();
+		this.mapper = new ObjectMapper();
+		this.mapper.registerModules(SecurityJackson2Modules.getModules(loader));
+	}
+
+	@Disabled
+	@Test
+	public void serializeWhenMixinRegisteredThenSerializes() throws Exception {
+		InetOrgPerson.Essence essence = new InetOrgPerson.Essence(createUserContext());
+		InetOrgPerson p = (InetOrgPerson) essence.createUserDetails();
+
+		String expectedJson = asJson(p);
+		String json = this.mapper.writeValueAsString(p);
+		JSONAssert.assertEquals(expectedJson, json, true);
+	}
+
+	private DirContextAdapter createUserContext() {
+		DirContextAdapter ctx = new DirContextAdapter();
+		ctx.setDn(new DistinguishedName("ignored=ignored"));
+		ctx.setAttributeValue("uid", "ghengis");
+		ctx.setAttributeValue("userPassword", "pillage");
+		ctx.setAttributeValue("carLicense", "HORS1");
+		ctx.setAttributeValue("cn", "Ghengis Khan");
+		ctx.setAttributeValue("description", "Scary");
+		ctx.setAttributeValue("destinationIndicator", "West");
+		ctx.setAttributeValue("displayName", "Ghengis McCann");
+		ctx.setAttributeValue("givenName", "Ghengis");
+		ctx.setAttributeValue("homePhone", "+467575436521");
+		ctx.setAttributeValue("initials", "G");
+		ctx.setAttributeValue("employeeNumber", "00001");
+		ctx.setAttributeValue("homePostalAddress", "Steppes");
+		ctx.setAttributeValue("mail", "ghengis@mongolia");
+		ctx.setAttributeValue("mobile", "always");
+		ctx.setAttributeValue("o", "Hordes");
+		ctx.setAttributeValue("ou", "Horde1");
+		ctx.setAttributeValue("postalAddress", "On the Move");
+		ctx.setAttributeValue("postalCode", "Changes Frequently");
+		ctx.setAttributeValue("roomNumber", "Yurt 1");
+		ctx.setAttributeValue("roomNumber", "Yurt 1");
+		ctx.setAttributeValue("sn", "Khan");
+		ctx.setAttributeValue("street", "Westward Avenue");
+		ctx.setAttributeValue("telephoneNumber", "+442075436521");
+		return ctx;
+	}
+
+	private String asJson(Person person) {
+		// @formatter:off
+		return "{\n" +
+			   "    \"@class\": \"org.springframework.security.ldap.userdetails.InetOrgPerson\"\n" +
+			   "}";
+		// @formatter:on
+	}
+
+}