java - 无法基于安全性隐藏链接

Question

我试图仅在允许用户角色时显示链接。但是链接并没有隐藏，任何角色的所有内容都会显示出来。

在这里看到这么多类似的查询，但没有一个解决方案有效。请告诉我我缺少什么。

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>

上面的所有内容都会为 Jane 显示，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不显示。

我也试过如下配置方言，这没有什么区别。

@Configuration
public class LeafConfig {

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

以下是为 Jane 或 John 显示的内容。没有区别:

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 附加功能，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，则以下代码可以解决问题。

<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，在您的 .pom 中将您的 org.thymeleaf.extras 更改为 thymeleaf-extras-springsecurity5 并且您需要将 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>

叶子配置

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();
    }

}

在这些更改之后，一切都应该按预期工作。