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Add Spring Boot Example
Closes gh-558
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‎samples/boot/build.gradle

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plugins {
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id 'org.springframework.boot' version '2.6.3'
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id 'io.spring.dependency-management'
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id 'java'
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}
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repositories {
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mavenCentral()
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}
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dependencies {
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implementation 'org.springframework.boot:spring-boot-starter-data-ldap'
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implementation 'org.springframework.boot:spring-boot-starter-security'
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implementation 'org.springframework.boot:spring-boot-starter-web'
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implementation 'org.springframework.security:spring-security-ldap'
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implementation 'com.unboundid:unboundid-ldapsdk'
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testImplementation 'org.springframework.boot:spring-boot-starter-test'
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testImplementation 'org.springframework.security:spring-security-test'
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}
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tasks.named('test') {
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useJUnitPlatform()
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}

‎samples/boot/readme.md

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A Hello World Spring LDAP application using Spring Boot
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The application is protected by Spring Security and uses an embedded UnboundID container for its LDAP server.
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You can authenticate with HTTP basic using `bob`/`bobspassword`:
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```bash
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curl --user bob:bobspassword localhost:8080
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```
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And you should see the response:
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```bash
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Hello, bob
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```
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Also, you can hit the `cn` endpoint which uses `LdapTemplate` to query the datastore for the user's `cn` attribute value, like so:
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```bash
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curl --user bob:bobspassword localhost:8080/cn
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```
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This should result in:
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```bash
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[
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"Bob Hamilton"
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]
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```
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To run the example, do `./gradlew :bootRun`.

‎samples/boot/src/main/java/sample/HelloController.java

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package sample;
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import java.util.List;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.ldap.core.AttributesMapper;
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import org.springframework.ldap.core.LdapTemplate;
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import org.springframework.security.core.Authentication;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.RestController;
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@RestController
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public class HelloController {
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@Autowired
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LdapTemplate ldap;
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@GetMapping
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public String hello(Authentication authentication) {
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return "Hello, " + authentication.getName();
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}
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@GetMapping("/cn")
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public List<String> cn(Authentication authentication) {
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AttributesMapper<String> mapper = (attrs) -> attrs.get("cn").get().toString();
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return this.ldap.search("ou=people", "uid=" + authentication.getName(), mapper);
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}
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}

‎samples/boot/src/main/java/sample/SecurityConfig.java

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package sample;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.ldap.core.ContextSource;
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import org.springframework.ldap.core.support.BaseLdapPathContextSource;
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import org.springframework.security.ldap.DefaultSpringSecurityContextSource;
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import org.springframework.security.ldap.authentication.BindAuthenticator;
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import org.springframework.security.ldap.authentication.LdapAuthenticationProvider;
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import org.springframework.security.ldap.authentication.LdapAuthenticator;
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import org.springframework.security.ldap.server.UnboundIdContainer;
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import org.springframework.security.ldap.userdetails.PersonContextMapper;
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@Configuration
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public class SecurityConfig {
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@Bean
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UnboundIdContainer ldapContainer() {
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UnboundIdContainer container = new UnboundIdContainer("dc=springframework,dc=org", "classpath:users.ldif");
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container.setPort(0);
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return container;
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}
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@Bean
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ContextSource contextSource(UnboundIdContainer container) {
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int port = container.getPort();
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return new DefaultSpringSecurityContextSource("ldap://localhost:" + port + "/dc=springframework,dc=org");
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}
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@Bean
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BindAuthenticator authenticator(BaseLdapPathContextSource contextSource) {
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BindAuthenticator authenticator = new BindAuthenticator(contextSource);
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authenticator.setUserDnPatterns(new String[] { "uid={0},ou=people" });
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return authenticator;
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}
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@Bean
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LdapAuthenticationProvider authenticationProvider(LdapAuthenticator authenticator) {
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LdapAuthenticationProvider provider = new LdapAuthenticationProvider(authenticator);
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provider.setUserDetailsContextMapper(new PersonContextMapper());
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return provider;
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}
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}

‎samples/boot/src/main/java/sample/SpringLdapSimpleSampleApplication.java

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package sample;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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@SpringBootApplication
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public class SpringLdapSimpleSampleApplication {
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public static void main(String[] args) {
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SpringApplication.run(SpringLdapSimpleSampleApplication.class, args);
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}
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}

‎samples/boot/src/main/resources/users.ldif

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dn: ou=groups,dc=springframework,dc=org
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objectclass: top
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objectclass: organizationalUnit
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ou: groups
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dn: ou=subgroups,ou=groups,dc=springframework,dc=org
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objectclass: top
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objectclass: organizationalUnit
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ou: subgroups
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dn: ou=people,dc=springframework,dc=org
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objectclass: top
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objectclass: organizationalUnit
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ou: people
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dn: ou=space cadets,dc=springframework,dc=org
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objectclass: top
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objectclass: organizationalUnit
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ou: space cadets
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dn: ou=\"quoted people\",dc=springframework,dc=org
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objectclass: top
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objectclass: organizationalUnit
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ou: "quoted people"
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dn: ou=otherpeople,dc=springframework,dc=org
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objectclass: top
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objectclass: organizationalUnit
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ou: otherpeople
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dn: uid=ben,ou=people,dc=springframework,dc=org
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objectclass: top
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objectclass: person
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objectclass: organizationalPerson
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objectclass: inetOrgPerson
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cn: Ben Alex
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sn: Alex
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uid: ben
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userPassword: $2a$10$c6bSeWPhg06xB1lvmaWNNe4NROmZiSpYhlocU/98HNr2MhIOiSt36
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dn: uid=bob,ou=people,dc=springframework,dc=org
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objectclass: top
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objectclass: person
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objectclass: organizationalPerson
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objectclass: inetOrgPerson
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cn: Bob Hamilton
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sn: Hamilton
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uid: bob
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userPassword: bobspassword
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dn: uid=joe,ou=otherpeople,dc=springframework,dc=org
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objectclass: top
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objectclass: person
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objectclass: organizationalPerson
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objectclass: inetOrgPerson
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cn: Joe Smeth
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sn: Smeth
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uid: joe
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userPassword: joespassword
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dn: cn=mouse\, jerry,ou=people,dc=springframework,dc=org
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objectclass: top
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objectclass: person
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objectclass: organizationalPerson
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objectclass: inetOrgPerson
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cn: Mouse, Jerry
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sn: Mouse
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uid: jerry
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userPassword: jerryspassword
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dn: cn=slash/guy,ou=people,dc=springframework,dc=org
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objectclass: top
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objectclass: person
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objectclass: organizationalPerson
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objectclass: inetOrgPerson
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cn: slash/guy
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sn: Slash
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uid: slashguy
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userPassword: slashguyspassword
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dn: cn=quote\"guy,ou=\"quoted people\",dc=springframework,dc=org
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objectclass: top
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objectclass: person
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objectclass: organizationalPerson
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objectclass: inetOrgPerson
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cn: quote\"guy
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sn: Quote
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uid: quoteguy
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userPassword: quoteguyspassword
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dn: uid=space cadet,ou=space cadets,dc=springframework,dc=org
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objectclass: top
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objectclass: person
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objectclass: organizationalPerson
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objectclass: inetOrgPerson
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cn: Space Cadet
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sn: Cadet
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uid: space cadet
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userPassword: spacecadetspassword
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dn: cn=developers,ou=groups,dc=springframework,dc=org
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objectclass: top
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objectclass: groupOfUniqueNames
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cn: developers
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ou: developer
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uniqueMember: uid=ben,ou=people,dc=springframework,dc=org
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uniqueMember: uid=bob,ou=people,dc=springframework,dc=org
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dn: cn=managers,ou=groups,dc=springframework,dc=org
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objectclass: top
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objectclass: groupOfUniqueNames
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cn: managers
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ou: manager
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uniqueMember: uid=ben,ou=people,dc=springframework,dc=org
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uniqueMember: cn=mouse\, jerry,ou=people,dc=springframework,dc=org
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dn: cn=submanagers,ou=subgroups,ou=groups,dc=springframework,dc=org
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objectclass: top
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objectclass: groupOfUniqueNames
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cn: submanagers
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ou: submanager
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uniqueMember: uid=ben,ou=people,dc=springframework,dc=org

‎samples/boot/src/test/java/sample/SpringLdapSimpleSampleApplicationTests.java

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package sample;
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import org.junit.jupiter.api.Test;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
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import org.springframework.boot.test.context.SpringBootTest;
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import org.springframework.http.HttpHeaders;
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import org.springframework.test.web.servlet.MockMvc;
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import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
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import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
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import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath;
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import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
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@SpringBootTest
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@AutoConfigureMockMvc
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class SpringLdapSimpleSampleApplicationTests {
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@Autowired
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MockMvc mvc;
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@Test
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void indexWhenCorrectUsernameAndPasswordThenAuthenticates() throws Exception {
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HttpHeaders http = new HttpHeaders();
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http.setBasicAuth("bob", "bobspassword");
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this.mvc.perform(get("/").headers(http))
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.andExpect(status().isOk())
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.andExpect(content().string("Hello, bob"));
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}
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@Test
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void cnWhenCorrectUsernameAndPasswordThenShowsCommonName() throws Exception {
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HttpHeaders http = new HttpHeaders();
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http.setBasicAuth("bob", "bobspassword");
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this.mvc.perform(get("/cn").headers(http))
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.andExpect(status().isOk())
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.andExpect(jsonPath("$.[0]").value("Bob Hamilton"));
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}
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}

‎settings.gradle

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include 'test/integration-tests-ad'
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include 'samples/plain'
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include 'samples/odm'
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include 'samples/boot'
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rootProject.children.each { p->

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