2024-02-23 09:04:40 +00:00
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# Halo 认证扩展点
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此前,Halo 提供了 AdditionalWebFilter 作为扩展点供插件扩展认证相关的功能。但是近期我们明确了 AdditionalWebFilter
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的使用用途,故不再作为认证的扩展点。
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目前,Halo 提供了三种认证扩展点:表单登录认证、普通认证和匿名认证。
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## 表单登录(FormLogin)
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示例如下:
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```java
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import org.springframework.stereotype.Component;
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import org.springframework.web.server.ServerWebExchange;
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import org.springframework.web.server.WebFilterChain;
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import reactor.core.publisher.Mono;
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import run.halo.app.security.FormLoginSecurityWebFilter;
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@Component
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public class MyFormLoginSecurityWebFilter implements FormLoginSecurityWebFilter {
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@Override
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public Mono<Void> filter(ServerWebExchange exchange, WebFilterChain chain) {
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// Do your logic here
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return chain.filter(exchange);
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}
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}
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```
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2024-07-09 14:05:24 +00:00
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2024-02-23 09:04:40 +00:00
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## 普通认证(Authentication)
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示例如下:
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```java
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import org.springframework.stereotype.Component;
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import org.springframework.web.server.ServerWebExchange;
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import org.springframework.web.server.WebFilterChain;
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import reactor.core.publisher.Mono;
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import run.halo.app.security.AuthenticationSecurityWebFilter;
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@Component
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public class MyAuthenticationSecurityWebFilter implements AuthenticationSecurityWebFilter {
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2024-07-09 14:05:24 +00:00
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@Override
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public Mono<Void> filter(ServerWebExchange exchange, WebFilterChain chain) {
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// Do your logic here
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return chain.filter(exchange);
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}
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2024-02-23 09:04:40 +00:00
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}
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```
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## 匿名认证(Anonymous Authentication
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示例如下:
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```java
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import org.springframework.stereotype.Component;
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import org.springframework.web.server.ServerWebExchange;
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import org.springframework.web.server.WebFilterChain;
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import reactor.core.publisher.Mono;
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import run.halo.app.security.AnonymousAuthenticationSecurityWebFilter;
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@Component
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public class MyAnonymousAuthenticationSecurityWebFilter
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2024-07-09 14:05:24 +00:00
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implements AnonymousAuthenticationSecurityWebFilter {
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@Override
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public Mono<Void> filter(ServerWebExchange exchange, WebFilterChain chain) {
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// Do your logic here
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return chain.filter(exchange);
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}
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}
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```
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## 前置过滤器(BeforeSecurityWebFilter)
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主要用于在进行认证之前的一些处理。需要注意的是,当前过滤器中无法直接通过 ReactiveSecurityContextHolder 获取
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SecurityContext。示例如下:
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```java
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public class MyBeforeSecurityWebFilter implements BeforeSecurityWebFilter {
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2024-02-23 09:04:40 +00:00
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2024-07-09 14:05:24 +00:00
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@Override
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public Mono<Void> filter(ServerWebExchange exchange, WebFilterChain chain) {
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// Do your logic here
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return chain.filter(exchange);
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}
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2024-02-23 09:04:40 +00:00
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}
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```
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2024-07-09 14:05:24 +00:00
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## 后置过滤器(AfterSecurityWebFilter)
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主要用于进行认证之后的一些处理。在当前过滤器中,可以通过 ReactiveSecurityContextHolder 获取 SecurityContext。示例如下:
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```java
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public class MyAfterSecurityWebFilter implements AfterSecurityWebFilter {
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@Override
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public Mono<Void> filter(ServerWebExchange exchange, WebFilterChain chain) {
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return ReactiveSecurityContextHolder.getContext()
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.switchIfEmpty(Mono.defer(() -> {
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// do something...
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return chain.filter(exchange).then(Mono.empty());
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}))
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.flatMap(securityContext -> {
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// do something...
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return chain.filter(exchange);
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});
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}
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}
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```
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---
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2024-02-23 09:04:40 +00:00
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我们在实现扩展点的时候需要注意:如果当前请求不满足认证条件,请一定要调用 `chain.filter(exchange)`,给其他 filter 留下机会。
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后续会根据需求实现其他认证相关的扩展点。
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