io.quarkus.undertow.runtime.RewriteCorrectingHandlerWrappers Maven / Gradle / Ivy
package io.quarkus.undertow.runtime;
import io.undertow.server.HandlerWrapper;
import io.undertow.server.HttpHandler;
import io.undertow.server.HttpServerExchange;
import io.undertow.servlet.handlers.ServletPathMatch;
import io.undertow.servlet.handlers.ServletRequestContext;
import io.undertow.util.AttachmentKey;
/**
* Handler that works around issues with rewrites() and undertow-handlers.conf.
*
* Because the rewrite happens after the initial dispatch this handler detects if
* the path has been rewritten and updates the servlet target.
*
* This is a bit of a hack, it needs a lot more thinking about a clean way to handle
* this
*/
public class RewriteCorrectingHandlerWrappers {
private static final AttachmentKey OLD_RELATIVE_PATH = AttachmentKey.create(String.class);
static class PreWrapper implements HandlerWrapper {
@Override
public HttpHandler wrap(final HttpHandler handler) {
return new HttpHandler() {
@Override
public void handleRequest(HttpServerExchange exchange) throws Exception {
exchange.putAttachment(OLD_RELATIVE_PATH, exchange.getRelativePath());
handler.handleRequest(exchange);
}
};
}
}
static class PostWrapper implements HandlerWrapper {
@Override
public HttpHandler wrap(final HttpHandler handler) {
return new HttpHandler() {
@Override
public void handleRequest(HttpServerExchange exchange) throws Exception {
String old = exchange.getAttachment(OLD_RELATIVE_PATH);
if (!old.equals(exchange.getRelativePath())) {
ServletRequestContext src = exchange.getAttachment(ServletRequestContext.ATTACHMENT_KEY);
ServletPathMatch info = src.getDeployment().getServletPaths()
.getServletHandlerByPath(exchange.getRelativePath());
src.setCurrentServlet(info.getServletChain());
src.setServletPathMatch(info);
}
handler.handleRequest(exchange);
}
};
}
}
}