要在Spring Boot应用程序中集成LDAP身份认证，您需要遵循以下步骤：
在pom.xml文件中添加Spring Security LDAP依赖：
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-security</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.ldap</groupId>
<artifactId>spring-ldap-core</artifactId>
</dependency>
在application.properties或application.yml文件中配置LDAP连接属性：
# application.properties
spring.ldap.urls=ldap://your-ldap-server:389
spring.ldap.base=ou=users,dc=example,dc=com
spring.ldap.username=your-ldap-username
spring.ldap.password=your-ldap-password
或
# application.yml
spring:
ldap:
urls: ldap://your-ldap-server:389
base: ou=users,dc=example,dc=com
username: your-ldap-username
password: your-ldap-password
创建一个配置类，继承WebSecurityConfigurerAdapter，并重写configure方法以配置LDAP身份认证：
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.core.userdetails.ldap.LdapUserDetailsManager;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.security.ldap.authentication.LdapAuthenticationProvider;
import org.springframework.security.ldap.userdetails.LdapUserDetailsServiceImpl;
@Configuration
@EnableWebSecurity
public class SecurityConfig extends WebSecurityConfigurerAdapter {
@Override
protected void configure(HttpSecurity http) throws Exception {
http
.authorizeRequests()
.anyRequest().authenticated()
.and()
.formLogin()
.loginPage("/login")
.permitAll()
.and()
.logout()
.permitAll();
}
@Override
protected void configure(AuthenticationManagerBuilder auth) throws Exception {
LdapAuthenticationProvider ldapAuthenticationProvider = new LdapAuthenticationProvider(
ldapUserDetailsManager(),
new BCryptPasswordEncoder()
);
auth.authenticationProvider(ldapAuthenticationProvider);
}
@Bean
public LdapUserDetailsManager ldapUserDetailsManager() throws Exception {
LdapUserDetailsServiceImpl userDetailsService = new LdapUserDetailsServiceImpl();
userDetailsService.setLdapTemplate(ldapTemplate());
return userDetailsService;
}
@Bean
public LdapTemplate ldapTemplate() throws Exception {
return new LdapTemplate(contextSource());
}
@Bean
public LdapContextSource contextSource() throws Exception {
LdapContextSource contextSource = new LdapContextSource();
contextSource.setUrl("ldap://your-ldap-server:389");
contextSource.setBase("ou=users,dc=example,dc=com");
contextSource.setUsername("your-ldap-username");
contextSource.setPassword("your-ldap-password");
return contextSource;
}
}
在src/main/resources/templates目录下创建一个名为login.html的文件，添加登录页面的HTML代码。
<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
<title>Login</title>
</head>
<body>
<h1>Login</h1>
<form action="/login" method="post">
<label for="username">Username:</label>
<input type="text" id="username" name="username" required /><br/>
<label for="password">Password:</label>
<input type="password" id="password" name="password" required /><br/>
<button type="submit">Login</button>
</form>
</body>
</html>
现在，当用户尝试访问受保护的资源时，他们将被重定向到登录页面。在成功登录后，用户将被重定向回他们原本请求的资源。
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