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
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