Content-Security-Policy Spring Security

让人想犯罪 __ 提交于 2020-11-26 08:05:27

问题


assuming a working hello world example of spring security and spring mvc.

when i take a trace with wireshark i see the following flags on the http request

X-Content-Type-Options: nosniff 
X-XSS-Protection: 1; mode=block 
Cache-Control: no-cache, no-store, max-age=0, must-revalidate 
Pragma: no-cache 
Expires: 0 
Strict-Transport-Security: max-age=31536000 ; includeSubDomains 
X-Frame-Options: DENY 
Set-Cookie: JSESSIONID=XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX; Path=/; Secure; HttpOnly 

i would like to add this to my headers:

Content-Security-Policy: script-src 'self'

I know that the X-Frame-Options is doing almost the same job, but still it makes me sleep better. Now i guess that i would need to do it under the configure function of my spring security configuration however i do not know how exactly, i.e. i suppose .headers().something.something(self)

 @Override
    protected void configure(HttpSecurity http) throws Exception {
        http
//          .csrf().disable()
//          .headers().disable()
            .authorizeRequests()
                .antMatchers(   "/register",
                                "/static/**",
                                "/h2/**",
                                "/resources/**",
                            "/resources/static/css/**", 
                                "/resources/static/img/**" , 
                                "/resources/static/js/**", 
                                "/resources/static/pdf/**"                              
                                ).permitAll()
                .anyRequest().authenticated()
                .and()
            .formLogin()
                .loginPage("/login")
                .permitAll()
                .and()
            .logout()
                .permitAll();
    }

回答1:


Simply use the addHeaderWriter method like this:

@EnableWebSecurity
@Configuration
public class WebSecurityConfig extends
   WebSecurityConfigurerAdapter {

  @Override
  protected void configure(HttpSecurity http) throws Exception {
    http
      // ...
      .headers()
        .addHeaderWriter(new StaticHeadersWriter("X-Content-Security-Policy","script-src 'self'"))
      // ...
  }
}

Note that as soon as you specify any headers that should be included, then only those headers will be include.

To include the default headers you can do:

http
  .headers()
    .contentTypeOptions()
    .xssProtection()
    .cacheControl()
    .httpStrictTransportSecurity()
    .frameOptions()
    .addHeaderWriter(new StaticHeadersWriter("X-Content-Security-Policy","script-src 'self'"))
    // ...

You can refer to the spring security documentation.




回答2:


While the approach with StaticHeadersWriter works, in the newest versions of Spring Security it's possible to use a special method:

headers()
    .contentSecurityPolicy("script-src 'self'");

See documentation for details: https://docs.spring.io/spring-security/site/docs/4.2.x/reference/html/headers.html#headers-csp-configure




回答3:


As documented in Spring security documentation: https://docs.spring.io/spring-security/site/docs/current/reference/html/headers.html

@EnableWebSecurity
public class WebSecurityConfig extends
WebSecurityConfigurerAdapter {

@Override
protected void configure(HttpSecurity http) throws Exception {
    http
    // ...
    .headers()
        .contentSecurityPolicy("script-src 'self' https://trustedscripts.example.com; object-src https://trustedplugins.example.com; report-uri /csp-report-endpoint/")
        .reportOnly();
}
}


来源:https://stackoverflow.com/questions/24057040/content-security-policy-spring-security

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