com.alibaba.arthas.nat.agent.common.handler.HttpOptionRequestHandler Maven / Gradle / Ivy
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package com.alibaba.arthas.nat.agent.common.handler;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.http.*;
/**
* @description: HttpOptionRequestHandler
* @author：flzjkl
* @date: 2024-09-22 7:21
*/
public class HttpOptionRequestHandler {
public FullHttpResponse handleOptionsRequest(ChannelHandlerContext ctx, FullHttpRequest request) {
FullHttpResponse response = new DefaultFullHttpResponse(
request.getProtocolVersion(),
HttpResponseStatus.OK,
Unpooled.EMPTY_BUFFER);
// Set the CORS response header
String origin = request.headers().get(HttpHeaderNames.ORIGIN);
if (origin != null) {
response.headers().set(HttpHeaderNames.ACCESS_CONTROL_ALLOW_ORIGIN, origin);
} else {
response.headers().set(HttpHeaderNames.ACCESS_CONTROL_ALLOW_ORIGIN, "*");
}
response.headers().set(HttpHeaderNames.ACCESS_CONTROL_ALLOW_METHODS, "GET, POST, PUT, DELETE, OPTIONS");
response.headers().set(HttpHeaderNames.ACCESS_CONTROL_MAX_AGE, 3600L);
response.headers().set(HttpHeaderNames.ACCESS_CONTROL_ALLOW_HEADERS, "Content-Type, Authorization, X-Requested-With, Accept, Origin");
// If the request contains an Access-Control-Request-Method, a response is required
String accessControlRequestMethod = request.headers().get(HttpHeaderNames.ACCESS_CONTROL_REQUEST_METHOD);
if (accessControlRequestMethod != null) {
response.headers().set(HttpHeaderNames.ACCESS_CONTROL_ALLOW_METHODS, accessControlRequestMethod);
}
// If the request contains Access-Control-Request-Headers, a response is required
String accessControlRequestHeaders = request.headers().get(HttpHeaderNames.ACCESS_CONTROL_REQUEST_HEADERS);
if (accessControlRequestHeaders != null) {
response.headers().set(HttpHeaderNames.ACCESS_CONTROL_ALLOW_HEADERS, accessControlRequestHeaders);
}
return response;
}
}