无法基于安全性隐藏链接

Question

只有在允许用户角色的情况下，我才会尝试显示链接。但链接并没有隐藏，任何角色的所有内容都会显示出来。

在这里看到了这么多类似的查询，但没有一个解决方案有效。请告诉我缺少什么。

配置。

@Configuration
@EnableWebSecurity
public class SecConfig extends WebSecurityConfigurerAdapter{
private final String USER = "USER";
private final String ADMIN = "ADMIN";
@Override
protected void configure(HttpSecurity http) throws Exception {
http.authorizeRequests()
.antMatchers("/").hasAnyRole(USER, ADMIN)
.antMatchers("/closed").hasRole(ADMIN).and()
.formLogin().defaultSuccessUrl("/");
}
@Override
protected void configure(AuthenticationManagerBuilder auth) throws Exception {
auth.inMemoryAuthentication()
.withUser("jane").password(passwordEncoder().encode("qwe")).roles(ADMIN, USER).and()
.withUser("john").password(passwordEncoder().encode("qwe")).roles(USER);
}
@Bean
public BCryptPasswordEncoder passwordEncoder(){
return new BCryptPasswordEncoder();
}
}

POM-

<dependency>
<groupId>org.thymeleaf.extras</groupId>
<artifactId>thymeleaf-extras-springsecurity4</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-security</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>

HTML

<a th:href="@{/closed}">Go to closed</a>
<br/><br/>
<form th:action="@{/logout}" method="post">
<input type="submit" value="Log out">
</form>
<br/>
<h2>Welcome</h2>
<p>Spring Security Thymeleaf</p>
<div sec:authorize="hasRole('USER')">Text visible to user.</div>
<div sec:authorize="hasRole('ADMIN')">Text visible to admin.</div>
<div sec:authorize="isAuthenticated()">
Text visible only to authenticated users.
</div>
Authenticated username:
<div sec:authentication="name"></div>
Authenticated user roles:
<div sec:authentication="principal.authorities"></div>

上面的所有内容都显示给Jane，即使她没有管理员访问权限。此外，甚至她的角色和用户名也没有显示。

我还试着如下配置方言，这没有什么区别。

@Configuration
public class LeafConfig {
@Bean
public SpringSecurityDialect springSecurityDialect(){
return new SpringSecurityDialect();
}
}

以下是为简或约翰展示的内容。，无差异：

Welcome
Spring Security Thymeleaf
Text visible to user.
Text visible to admin.
Text visible only to authenticated users.
Authenticated username:
Authenticated user roles:

Answer 1

由于您使用的是Spring Security附加组件，因此您可以尝试使用${#authorization.expression('hasRole(''ROLE_ADMIN'')'}而不是sec:authorization。例如

<div th:if="${#authorization.expression('hasRole(''USER'')'}">Text visible to user.</div>
<div th:if="${#authorization.expression('hasRole(''ADMIN'')'}">Text visible to admin.</div>
<div th:if="${#authorization.expression('isAuthenticated()')}">
Text visible only to authenticated users.
</div>

如果您使用权限而不是角色，下面的代码将起作用。

<div th:if="${#authorization.expression('hasAuthority(''ADMIN'')')}">ADMIN</div>
<div th:if="${#authorization.expression('hasAuthority(''USER'')')}">USER</div>
<div th:if="${#authorization.expression('isAuthenticated()')}">
Text visible only to authenticated users.
</div>
</div>

关于您的配置，在.pom中将org.thymeleaf.extras更改为thymeleaf-extras-springsecurity5，您需要将Spring Dialect@Bean添加到您的配置中。

POM

<dependencies>
...
<dependency>
<groupId>org.thymeleaf.extras</groupId>
<artifactId>thymeleaf-extras-springsecurity5</artifactId>
</dependency>
...
</dependencies>

LeafConfig

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.thymeleaf.extras.springsecurity5.dialect.SpringSecurityDialect;
@Configuration
public class LeafConfig {
@Bean
public SpringSecurityDialect springSecurityDialect(){
return new SpringSecurityDialect();
}
}

经过这些更改后，一切都应该按预期进行。

Answer 2

您应该像下面这样使用它：

<sec:authorize access="hasRole('ADMIN')">
<div>
This content will only be visible to users who have
the "ADMIN" authority in their list of GrantedAuthority's.
</div>
</sec:authorize>