Elasticsearch does not handle some http methods properly #31017
Description
Currently when we convert a low-level netty http method to an elasticsearch http method we consider an unknown request type to be a GET request.
public Method method() {
HttpMethod httpMethod = request.method();
if (httpMethod == HttpMethod.GET)
return Method.GET;
if (httpMethod == HttpMethod.POST)
return Method.POST;
if (httpMethod == HttpMethod.PUT)
return Method.PUT;
if (httpMethod == HttpMethod.DELETE)
return Method.DELETE;
if (httpMethod == HttpMethod.HEAD) {
return Method.HEAD;
}
if (httpMethod == HttpMethod.OPTIONS) {
return Method.OPTIONS;
}
return Method.GET;
}
Currently that means that PATCH, TRACE, and CONNECT methods are treated as GET methods by elasticsearch. If we do not plan on supporting these methods, we should just return a 405 instead of silently pretending that these are GET requests.
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