Spring Security 是一个功能强大且高度可定制的身份验证和访问控制框架,它是保护基于Spring的应用程序的事实标准。会话ID(Session ID)是服务器为每个用户会话分配的唯一标识符,用于跟踪用户状态。
import javax.servlet.http.HttpServletRequest;
@RestController
public class SessionController {
@GetMapping("/session-id")
public String getSessionId(HttpServletRequest request) {
return request.getSession().getId();
}
}
import org.springframework.security.core.context.SecurityContextHolder;
import javax.servlet.http.HttpSession;
@RestController
public class SessionController {
@GetMapping("/session-id")
public String getSessionId() {
HttpSession session = (HttpSession) SecurityContextHolder.getContext()
.getAuthentication()
.getDetails();
return session.getId();
}
}
首先配置SessionRegistry:
@Configuration
@EnableWebSecurity
public class SecurityConfig extends WebSecurityConfigurerAdapter {
@Bean
public SessionRegistry sessionRegistry() {
return new SessionRegistryImpl();
}
@Override
protected void configure(HttpSecurity http) throws Exception {
http
.sessionManagement()
.maximumSessions(1)
.sessionRegistry(sessionRegistry());
}
}
然后使用:
import org.springframework.security.core.session.SessionRegistry;
@RestController
public class SessionController {
@Autowired
private SessionRegistry sessionRegistry;
@GetMapping("/current-session-id")
public String getCurrentSessionId() {
return sessionRegistry.getAllSessions(
SecurityContextHolder.getContext().getAuthentication().getPrincipal(),
false
).get(0).getSessionId();
}
}
原因:可能请求尚未建立会话或会话已过期
解决方案:
@GetMapping("/session-id")
public String getSessionId(HttpServletRequest request) {
HttpSession session = request.getSession(false); // 不创建新会话
return session != null ? session.getId() : "No active session";
}
原因:可能未正确配置SessionRegistry或用户未认证
解决方案:
解决方案:
@Bean
public SecurityFilterChain securityFilterChain(HttpSecurity http) throws Exception {
http
.sessionManagement(session -> session
.sessionFixation().migrateSession()
.sessionCreationPolicy(SessionCreationPolicy.IF_REQUIRED)
)
.headers(headers -> headers
.httpStrictTransportSecurity(hsts -> hsts
.includeSubDomains(true)
.maxAgeInSeconds(31536000)
)
);
return http.build();
}
通过以上方法,您可以安全有效地在Spring Security应用中检索和管理会话ID。
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