HTTP Status 403

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一、问题日志:
HTTP Status 403 - Invalid CSRF Token ‘null’ was found on the request parameter ‘_csrf’ or header ‘X-CSRF-TOKEN’
二、问题原因:
Spring Security 4.0之后,引入了CSRF,默认状态为开启。CSRF和RESTful技术有冲突。CSRF默认支持的方法: GET|HEAD|TRACE|OPTIONS,不支持POST。CSRF(Cross-site request forgery跨站请求伪造,也被称为“One Click Attack” 或者Session Riding,攻击方通过伪造用户请求访问受信任站点。
三、采用的解决办法:
(1)方法一、
修改工程下WebSecurityConfig.java
@Override
protected void configure(HttpSecurity http) throws Exception {
http.authorizeRequests()
.antMatchers(“/”, “/home”).permitAll()
.and()
.formLogin()
.loginPage(“/login”).permitAll()
.and()
.logout().logoutUrl(“/logout”)
.logoutSuccessUrl(“/hello”)
.permitAll();
http.csrf().disable();//在原本的配置文件下添加这行代码,禁用security的csrf
}
(2)方法二、
将http.csrf().disable();注释掉

@Override    protected void configure(HttpSecurity http) throws Exception {        //http.csrf().disable();        http.authorizeRequests()                        .antMatchers("/", "/springbootbase").permitAll()                        .anyRequest().authenticated()                        .and()                    .formLogin()                        .loginPage("/login")                        .failureUrl("/login?error")                        .permitAll() //5                        .and()                    .logout().permitAll();    }

将index.html 改成JSP 文件: index.jsp
将csrf token 作为表单的隐藏域一起提交即可解决

<!DOCTYPE html><html xmlns:th="http://www.thymeleaf.org"      xmlns:sec="http://www.thymeleaf.org/thymeleaf-extras-springsecurity4"><head>    <title>Hello World!</title></head><body>    <h1 th:inline="text">Hello World</h1>    <form th:action="@{/logout}" action="./logout" method="post">        <input type="hidden" name="${_csrf.parameterName}" value="${_csrf.token}"/>        <input type="submit" value="Sign Out"/>    </form></body></html>

重启tomcat server, 运行

参考博文:
http://blog.csdn.net/u012373815/article/details/55047285
http://blog.csdn.net/ltwang_tech/article/details/55100271?locationNum=7&fps=1
http://blog.csdn.net/wyccyw123456/article/details/51778398
http://blog.csdn.net/hong0220/article/details/52922381

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