Spring Boot Shiro Remember Me

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接着《Spring-Boot-shiro用户认证》，当用户成功登录后，关闭浏览器然后再打开浏览器访问http://localhost:8080/web/index，页面会跳转到登录页，之前的登录因为浏览器的关闭已经失效。

Shiro为我们提供了Remember Me的功能，用户的登录状态不会因为浏览器的关闭而失效，直到Cookie过期。

更改 ShiroConfig

继续编辑ShiroConfig，加入：

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/**
 * cookie对象
 * @return
 */
public SimpleCookie rememberMeCookie() {
    // 设置cookie名称，对应login.html页面的<input type="checkbox" name="rememberMe"/>
    SimpleCookie cookie = new SimpleCookie("rememberMe");
    // 设置cookie的过期时间，单位为秒，这里为一天
    cookie.setMaxAge(86400);
    return cookie;
}

/**
 * cookie管理对象
 * @return
 */
public CookieRememberMeManager rememberMeManager() {
    CookieRememberMeManager cookieRememberMeManager = new CookieRememberMeManager();
    cookieRememberMeManager.setCookie(rememberMeCookie());
    // rememberMe cookie加密的密钥 
    cookieRememberMeManager.setCipherKey(Base64.decode("4AvVhmFLUs0KTA3Kprsdag=="));
    return cookieRememberMeManager;
}

接下来将cookie管理对象设置到SecurityManager中：

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@Bean  
public SecurityManager securityManager(){  
    DefaultWebSecurityManager securityManager =  new DefaultWebSecurityManager();
    securityManager.setRealm(shiroRealm());
    securityManager.setRememberMeManager(rememberMeManager());
    return securityManager;  
}

最后修改权限配置，将ShiroFilterFactoryBean的filterChainDefinitionMap.put("/**", "authc");更改为filterChainDefinitionMap.put("/**", "user");。user指的是用户认证通过或者配置了Remember Me记住用户登录状态后可访问。

更改 login.html

在login.html中加入Remember Me checkbox：

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<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>登录</title>
    <link rel="stylesheet" th:href="@{/css/login.css}" type="text/css">
    <script th:src="@{/js/jquery-1.11.1.min.js}"></script>
</head>
<body>
    <div class="login-page">
        <div class="form">
            <input type="text" placeholder="用户名" name="username" required="required"/>
            <input type="password" placeholder="密码" name="password" required="required"/>
            <p><input type="checkbox" name="rememberMe" />记住我</p>
            <button onclick="login()">登录</button>
        </div>
    </div>
</body>
<script th:inline="javascript"> 
    var ctx = [[@{/}]];
    function login() {
        var username = $("input[name='username']").val();
        var password = $("input[name='password']").val();
        var rememberMe = $("input[name='rememberMe']").is(':checked');
        $.ajax({
            type: "post",
            url: ctx + "login",
            data: {"username": username,"password": password,"rememberMe": rememberMe},
            dataType: "json",
            success: function (r) {
                if (r.code == 0) {
                    location.href = ctx + 'index';
                } else {
                    alert(r.msg);
                }
            }
        });
    }
</script>
</html>

更改 LoginController

更改LoginController的login()方法：

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@PostMapping("/login")
@ResponseBody
public ResponseBo login(String username, String password, Boolean rememberMe) {
    password = MD5Utils.encrypt(username, password);
    UsernamePasswordToken token = new UsernamePasswordToken(username, password, rememberMe);
    Subject subject = SecurityUtils.getSubject();
    try {
        subject.login(token);
        return ResponseBo.ok();
    } catch (UnknownAccountException e) {
        return ResponseBo.error(e.getMessage());
    } catch (IncorrectCredentialsException e) {
        return ResponseBo.error(e.getMessage());
    } catch (LockedAccountException e) {
        return ResponseBo.error(e.getMessage());
    } catch (AuthenticationException e) {
        return ResponseBo.error("认证失败！");
    }
}

当rememberMe参数为true的时候，Shiro就会帮我们记住用户的登录状态。启动项目即可看到效果。

源码链接：https://github.com/wuyouzhuguli/Spring-Boot-Demos/tree/master/12.Spring-Boot-Shiro-RememberMe

请作者喝瓶肥宅水🥤
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