英文:
Logging a request header before Spring Security filter chain
问题
我希望尽早记录所给进来的请求头的内容。
我了解诸如 CommonsRequestLoggingFilter 或日志记录 HandlerInterceptor 之类的方法，然而这些似乎只会在Spring执行了许多其他代码（如Spring安全过滤器链）之后才进行记录。
我想在Spring执行任何操作之前进行记录，根据一个单一要求尽早进行记录：日志消息需要能够从HTTP请求中提取一个头。
有没有办法实现这个？
英文:
I want to log the contents of a given incoming request header as early as possible.
I know about approaches like CommonsRequestLoggingFilter or a logging HandlerInterceptor, however these seem to only log after Spring has executed a lot of other code, such as the Spring Security filter chain.
I want to log before Spring has done any of that, as early as possible based on a single requirement: the log message needs to be able to extract a header from the HTTP request.
Is there a way to do this?
答案1
得分: 0
我已找到一种使用嵌入式Tomcat实现此目标的方法。由于Tomcat在Spring之前接收请求，您可以在此处捕获整个分派的请求。
public class CustomLoggerValve extends ValveBase {
private static final Logger logger = LoggerFactory.getLogger(CustomLoggerValve.class);
@Override
public void invoke(Request request, Response response) throws IOException, ServletException {
try {
MDC.put("requestId", UUID.randomUUID().toString());
logger.info("Received request");
getNext().invoke(request, response);
} finally {
MDC.remove("requestId");
}
}
}
由于我正在使用非Spring Boot的Spring，我可以直接将这个添加到我的Tomcat中：
Tomcat tomcat = // ... 你的Tomcat设置
tomcat.getService().getContainer().getPipeline().addValve(new CustomLoggerValve());
我尚未尝试过，但在Spring Boot中似乎也可以相当容易地添加这个功能。
据推测，类似的方法也适用于嵌入式Jetty或其他JVM Web服务器。
英文:
I have found a way to do this using the embedded Tomcat. Since this receives the request before Spring does, you can capture the entire dispatched request from here.
public class CustomLoggerValve extends ValveBase {
private static final Logger logger = LoggerFactory.getLogger(CustomLoggerValve.class);
@Override
public void invoke(Request request, Response response) throws IOException, ServletException {
try {
MDC.put("requestId", UUID.randomUUID().toString());
logger.info("Received request");
getNext().invoke(request, response);
} finally {
MDC.remove("requestId");
}
}
}
Since I'm using Spring without Spring Boot, I can just add this to my Tomcat directly:
Tomcat tomcat = // ... your tomcat setup
tomcat.getService().getContainer().getPipeline().addValve(new CustomLoggerValve());
I haven't tried, but it looks like you could add this quite easily in Spring Boot too.
Presumably a similar approach would work with embedded Jetty/other JVM web servers.
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