对于最新的稳定版本,请使用 Spring Security 6.3.3! |
对于最新的稳定版本,请使用 Spring Security 6.3.3! |
您可以使用安全 HTTP 响应标头来提高 Web 应用程序的安全性。 本节专门介绍基于 WebFlux 的安全 HTTP 响应标头支持。
默认安全标头
Spring Security 提供了一组默认的安全 HTTP 响应 Headers 来提供安全的默认值。 虽然这些标头中的每一个都被视为最佳实践,但应该注意的是,并非所有客户端都使用标头,因此鼓励进行额外的测试。
您可以自定义特定的标头。
例如,假设你想要默认值,但希望为 X-Frame-Options
指定。SAMEORIGIN
您可以使用以下配置执行此操作:
-
Java
-
Kotlin
@Bean
SecurityWebFilterChain springSecurityFilterChain(ServerHttpSecurity http) {
http
// ...
.headers(headers -> headers
.frameOptions(frameOptions -> frameOptions
.mode(Mode.SAMEORIGIN)
)
);
return http.build();
}
@Bean
fun webFilterChain(http: ServerHttpSecurity): SecurityWebFilterChain {
return http {
// ...
headers {
frameOptions {
mode = Mode.SAMEORIGIN
}
}
}
}
如果您不希望添加默认值并希望明确控制应该使用的内容,则可以禁用默认值:
-
Java
-
Kotlin
@Bean
SecurityWebFilterChain springSecurityFilterChain(ServerHttpSecurity http) {
http
// ...
.headers(headers -> headers.disable());
return http.build();
}
@Bean
fun webFilterChain(http: ServerHttpSecurity): SecurityWebFilterChain {
return http {
// ...
headers {
disable()
}
}
}
缓存控制
默认情况下,Spring Security 包括 Cache Control 标头。
但是,如果你真的想缓存特定的响应,你的应用程序可以有选择地将它们添加到ServerHttpResponse
中,以覆盖 Spring Security 设置的 Headers。
这对于确保正确缓存 CSS、JavaScript 和图像等内容非常有用。
使用 Spring WebFlux 时,通常在配置中执行此操作。 您可以在 Spring 参考文档的 Static Resources 部分找到有关如何执行此操作的详细信息。
如有必要,您还可以禁用 Spring Security 的缓存控制 HTTP 响应标头。
-
Java
-
Kotlin
@Bean
SecurityWebFilterChain springSecurityFilterChain(ServerHttpSecurity http) {
http
// ...
.headers(headers -> headers
.cache(cache -> cache.disable())
);
return http.build();
}
@Bean
fun webFilterChain(http: ServerHttpSecurity): SecurityWebFilterChain {
return http {
// ...
headers {
cache {
disable()
}
}
}
}
内容类型选项
默认情况下, Spring Security 包括 Content-Type Headers。 但是,您可以禁用它:
-
Java
-
Kotlin
@Bean
SecurityWebFilterChain springSecurityFilterChain(ServerHttpSecurity http) {
http
// ...
.headers(headers -> headers
.contentTypeOptions(contentTypeOptions -> contentTypeOptions.disable())
);
return http.build();
}
@Bean
fun webFilterChain(http: ServerHttpSecurity): SecurityWebFilterChain {
return http {
// ...
headers {
contentTypeOptions {
disable()
}
}
}
}
HTTP 严格传输安全 (HSTS)
默认情况下,Spring Security 提供 Strict Transport Security 标头。 但是,您可以显式自定义结果。 例如,以下示例显式提供 HSTS:
-
Java
-
Kotlin
@Bean
SecurityWebFilterChain springSecurityFilterChain(ServerHttpSecurity http) {
http
// ...
.headers(headers -> headers
.hsts(hsts -> hsts
.includeSubdomains(true)
.preload(true)
.maxAge(Duration.ofDays(365))
)
);
return http.build();
}
@Bean
fun webFilterChain(http: ServerHttpSecurity): SecurityWebFilterChain {
return http {
// ...
headers {
hsts {
includeSubdomains = true
preload = true
maxAge = Duration.ofDays(365)
}
}
}
}
X 框架选项
默认情况下,Spring Security 通过使用X-Frame-Options
禁用 iframe 中的渲染。
您可以自定义框架选项以使用相同的原点:
-
Java
-
Kotlin
@Bean
SecurityWebFilterChain springSecurityFilterChain(ServerHttpSecurity http) {
http
// ...
.headers(headers -> headers
.frameOptions(frameOptions -> frameOptions
.mode(SAMEORIGIN)
)
);
return http.build();
}
@Bean
fun webFilterChain(http: ServerHttpSecurity): SecurityWebFilterChain {
return http {
// ...
headers {
frameOptions {
mode = SAMEORIGIN
}
}
}
}
X-XSS 保护
默认情况下,Spring Security 指示浏览器通过使用<<headers-xss-protection,X-XSS-Protection头>来禁用 XSS 审计器。
您可以完全禁用标头:X-XSS-Protection
-
Java
-
Kotlin
@Bean
SecurityWebFilterChain springSecurityFilterChain(ServerHttpSecurity http) {
http
// ...
.headers(headers -> headers
.xssProtection(xssProtection -> xssProtection.disable())
);
return http.build();
}
@Bean
fun webFilterChain(http: ServerHttpSecurity): SecurityWebFilterChain {
return http {
// ...
headers {
xssProtection {
disable()
}
}
}
}
您还可以更改标头值:
-
Java
-
Kotlin
@Bean
SecurityWebFilterChain springSecurityFilterChain(ServerHttpSecurity http) {
http
// ...
.headers(headers -> headers
.xssProtection(xssProtection -> xssProtection.headerValue(XXssProtectionServerHttpHeadersWriter.HeaderValue.ENABLED_MODE_BLOCK))
);
return http.build();
}
@Bean
fun webFilterChain(http: ServerHttpSecurity): SecurityWebFilterChain {
return http {
// ...
headers {
xssProtection {
headerValue = XXssProtectionServerHttpHeadersWriter.HeaderValue.ENABLED_MODE_BLOCK
}
}
}
}
内容安全策略 (CSP)
默认情况下, Spring Security 不添加内容安全策略,因为如果没有应用程序的上下文,就不可能知道合理的默认值。 Web 应用程序作者必须声明安全策略以实施和/或监控受保护的资源。
例如,请考虑以下安全策略:
Content-Security-Policy: script-src 'self' https://trustedscripts.example.com; object-src https://trustedplugins.example.com; report-uri /csp-report-endpoint/
根据上述策略,您可以启用 CSP 标头:
-
Java
-
Kotlin
@Bean
SecurityWebFilterChain springSecurityFilterChain(ServerHttpSecurity http) {
http
// ...
.headers(headers -> headers
.contentSecurityPolicy(policy -> policy
.policyDirectives("script-src 'self' https://trustedscripts.example.com; object-src https://trustedplugins.example.com; report-uri /csp-report-endpoint/")
)
);
return http.build();
}
@Bean
fun webFilterChain(http: ServerHttpSecurity): SecurityWebFilterChain {
return http {
// ...
headers {
contentSecurityPolicy {
policyDirectives = "script-src 'self' https://trustedscripts.example.com; object-src https://trustedplugins.example.com; report-uri /csp-report-endpoint/"
}
}
}
}
要启用 CSP 标头,请提供以下配置:report-only
-
Java
-
Kotlin
@Bean
SecurityWebFilterChain springSecurityFilterChain(ServerHttpSecurity http) {
http
// ...
.headers(headers -> headers
.contentSecurityPolicy(policy -> policy
.policyDirectives("script-src 'self' https://trustedscripts.example.com; object-src https://trustedplugins.example.com; report-uri /csp-report-endpoint/")
.reportOnly()
)
);
return http.build();
}
@Bean
fun webFilterChain(http: ServerHttpSecurity): SecurityWebFilterChain {
return http {
// ...
headers {
contentSecurityPolicy {
policyDirectives = "script-src 'self' https://trustedscripts.example.com; object-src https://trustedplugins.example.com; report-uri /csp-report-endpoint/"
reportOnly = true
}
}
}
}
反向链接策略
默认情况下,Spring Security 使用指令添加 Referrer Policy 标头。
您可以使用配置更改 Referrer Policy 标头,如下所示:no-referrer
-
Java
-
Kotlin
@Bean
SecurityWebFilterChain springSecurityFilterChain(ServerHttpSecurity http) {
http
// ...
.headers(headers -> headers
.referrerPolicy(referrer -> referrer
.policy(ReferrerPolicy.SAME_ORIGIN)
)
);
return http.build();
}
@Bean
fun webFilterChain(http: ServerHttpSecurity): SecurityWebFilterChain {
return http {
// ...
headers {
referrerPolicy {
policy = ReferrerPolicy.SAME_ORIGIN
}
}
}
}
功能策略
默认情况下,Spring Security 不添加 Feature Policy 标头。
请考虑以下标头:Feature-Policy
Feature-Policy: geolocation 'self'
您可以启用前面的 Feature Policy 标头:
-
Java
-
Kotlin
@Bean
SecurityWebFilterChain springSecurityFilterChain(ServerHttpSecurity http) {
http
// ...
.headers(headers -> headers
.featurePolicy("geolocation 'self'")
);
return http.build();
}
@Bean
fun webFilterChain(http: ServerHttpSecurity): SecurityWebFilterChain {
return http {
// ...
headers {
featurePolicy("geolocation 'self'")
}
}
}
权限策略
默认情况下,Spring Security 不添加 Permissions Policy 标头。
请考虑以下标头:Permissions-Policy
Permissions-Policy: geolocation=(self)
您可以启用前面的 Permissions Policy 标头:
-
Java
-
Kotlin
@Bean
SecurityWebFilterChain springSecurityFilterChain(ServerHttpSecurity http) {
http
// ...
.headers(headers -> headers
.permissionsPolicy(permissions -> permissions
.policy("geolocation=(self)")
)
);
return http.build();
}
@Bean
fun webFilterChain(http: ServerHttpSecurity): SecurityWebFilterChain {
return http {
// ...
headers {
permissionsPolicy {
policy = "geolocation=(self)"
}
}
}
}
清除站点数据
默认情况下,Spring Security 不添加 Clear-Site-Data 标头。
请考虑以下标头:Clear-Site-Data
Clear-Site-Data: "cache", "cookies"
您可以在注销时发送标头:Clear-Site-Data
-
Java
-
Kotlin
@Bean
SecurityWebFilterChain springSecurityFilterChain(ServerHttpSecurity http) {
ServerLogoutHandler securityContext = new SecurityContextServerLogoutHandler();
ClearSiteDataServerHttpHeadersWriter writer = new ClearSiteDataServerHttpHeadersWriter(CACHE, COOKIES);
ServerLogoutHandler clearSiteData = new HeaderWriterServerLogoutHandler(writer);
DelegatingServerLogoutHandler logoutHandler = new DelegatingServerLogoutHandler(securityContext, clearSiteData);
http
// ...
.logout()
.logoutHandler(logoutHandler);
return http.build();
}
@Bean
fun webFilterChain(http: ServerHttpSecurity): SecurityWebFilterChain {
val securityContext: ServerLogoutHandler = SecurityContextServerLogoutHandler()
val writer = ClearSiteDataServerHttpHeadersWriter(CACHE, COOKIES)
val clearSiteData: ServerLogoutHandler = HeaderWriterServerLogoutHandler(writer)
val customLogoutHandler = DelegatingServerLogoutHandler(securityContext, clearSiteData)
return http {
// ...
logout {
logoutHandler = customLogoutHandler
}
}
}