Spring Boot Application Connect to LDAP Userstore
There are detailed instructions on connecting Java Spring Boot applications to LDAP and an example using Apache Directory Studio.
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Join For FreeIn this blog post, we are going to connect a sample spring boot application with LDAP-based userstore to do the authentication.
First, create an LDAP server. I've created a sample server using Apache Directory Studio.
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.3.3.RELEASE</version>
<relativePath/>
</parent>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-security</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-ldap</artifactId>
</dependency>
<dependency>
<groupId>org.apache.directory.server</groupId>
<artifactId>apacheds-server-jndi</artifactId>
<version>1.5.5</version>
</dependency>
</dependencies>Then in your sample application extend the WebSecurityConfigurerAdapter class and override the below two methods. Provide the connection details as per the LDAP server created above.
@Configuration
@EnableWebSecurity
public class LdapSecurity extends WebSecurityConfigurerAdapter {
@Override
protected void configure(HttpSecurity httpSecurity) throws Exception {
httpSecurity.httpBasic().and().authorizeRequests().anyRequest().authenticated().and().csrf().disable();
}
@Override
protected void configure(AuthenticationManagerBuilder authenticationManagerBuilder) throws Exception {
authenticationManagerBuilder.ldapAuthentication()
.contextSource().url("ldap://localhost:10389/dc=example,dc=com")
.managerDn("uid=admin,ou=system").managerPassword("secret")
.and()
.userSearchBase("ou=users")
.userSearchFilter("(cn={0})");
}
}That's it the spring will engage basic authenticate your requests to the webapp.
Now start the app using mvn spring-boot:run or using the java -jar spring-boot-ldap-sample.jar, Access the webapp using
http://localhost:8080/ and provide the credentials of a user in the LDAP user base. You'll see the authenticated user's details after a successful authentication.
Full source to the sample can be found here.
Full source to the sample can be found here.
Spring Framework
Spring Boot
application
Published at DZone with permission of Aruna Karunarathna. See the original article here.
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