springboot shiro 单点登录代码
时间: 2023-06-01 19:04:26 浏览: 91
抱歉,我是一个AI语言模型,无法提供您所需的完整代码。不过,我可以为您提供一些Spring Boot和Shiro单点登录的基本实现步骤。
1. 配置Shiro的Realm,用于认证和授权用户信息。
2. 配置Shiro的Filter,用于拦截用户请求,判断用户是否已经登录。
3. 实现单点登录的逻辑,包括用户登录和退出登录的处理。
4. 在其他应用中配置Shiro,使其也能够使用单点登录。
以下是一个简单的示例代码,仅供参考:
1. 配置Shiro的Realm
```java
public class MyRealm extends AuthorizingRealm {
@Autowired
private UserService userService;
// 认证
@Override
protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken token) throws AuthenticationException {
String username = (String) token.getPrincipal();
User user = userService.findByUsername(username);
if (user == null) {
throw new UnknownAccountException();
}
return new SimpleAuthenticationInfo(user.getUsername(), user.getPassword(), getName());
}
// 授权
@Override
protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principals) {
String username = (String) principals.getPrimaryPrincipal();
User user = userService.findByUsername(username);
SimpleAuthorizationInfo authorizationInfo = new SimpleAuthorizationInfo();
authorizationInfo.addRole(user.getRole());
authorizationInfo.addStringPermission(user.getPermission());
return authorizationInfo;
}
}
```
2. 配置Shiro的Filter
```java
public class MyFilter extends AccessControlFilter {
@Autowired
private SessionManager sessionManager;
// 拦截请求
@Override
protected boolean isAccessAllowed(ServletRequest request, ServletResponse response, Object mappedValue) throws Exception {
HttpServletRequest req = (HttpServletRequest) request;
HttpServletResponse resp = (HttpServletResponse) response;
String sessionId = req.getRequestedSessionId();
if (sessionId != null && sessionManager.getSession(sessionId) != null) {
return true;
}
resp.sendRedirect("/login"); // 未登录,跳转到登录页
return false;
}
// 处理未登录的情况
@Override
protected boolean onAccessDenied(ServletRequest request, ServletResponse response) throws Exception {
return false;
}
}
```
3. 实现单点登录的逻辑
```java
public class LoginController {
@Autowired
private UserService userService;
@Autowired
private SessionManager sessionManager;
// 登录
@RequestMapping("/login")
public String login(String username, String password, HttpSession session) {
User user = userService.findByUsername(username);
if (user != null && user.getPassword().equals(password)) {
String sessionId = sessionManager.createSession(user);
session.setAttribute("sessionId", sessionId);
return "redirect:/index";
}
return "login";
}
// 退出登录
@RequestMapping("/logout")
public String logout(HttpSession session) {
String sessionId = (String) session.getAttribute("sessionId");
sessionManager.removeSession(sessionId);
session.invalidate();
return "redirect:/login";
}
}
```
4. 在其他应用中配置Shiro
在其他应用中,需要配置Shiro使用单点登录,以便于共享用户信息。具体实现方式可以参考Shiro的官方文档。