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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.jdisc.http.server.jetty;
import com.yahoo.jdisc.http.HttpRequest;
import com.yahoo.jdisc.service.CurrentContainer;
import jakarta.servlet.http.HttpServletRequest;
import org.eclipse.jetty.server.Request;
import org.eclipse.jetty.util.Utf8Appendable;
import javax.net.ssl.SSLSession;
import java.net.InetSocketAddress;
import java.net.URI;
import java.security.cert.X509Certificate;
import java.util.Enumeration;
import static com.yahoo.jdisc.Response.Status.BAD_REQUEST;
import static com.yahoo.jdisc.Response.Status.METHOD_NOT_ALLOWED;
import static com.yahoo.jdisc.http.server.jetty.RequestUtils.getConnection;
import static com.yahoo.jdisc.http.server.jetty.RequestUtils.getConnectorLocalPort;
/**
* @author Simon Thoresen Hult
* @author bjorncs
*/
class HttpRequestFactory {
public static HttpRequest newJDiscRequest(CurrentContainer container, HttpServletRequest servletRequest) {
try {
var jettyRequest = (Request) servletRequest;
var jdiscHttpReq = HttpRequest.newServerRequest(
container,
getUri(servletRequest),
getMethod(servletRequest),
HttpRequest.Version.fromString(servletRequest.getProtocol()),
new InetSocketAddress(servletRequest.getRemoteAddr(), servletRequest.getRemotePort()),
getConnection(jettyRequest).getCreatedTimeStamp(),
jettyRequest.getTimeStamp());
jdiscHttpReq.context().put(RequestUtils.JDISC_REQUEST_X509CERT, getCertChain(servletRequest));
jdiscHttpReq.context().put(RequestUtils.JDICS_REQUEST_PORT, servletRequest.getLocalPort());
SSLSession sslSession = (SSLSession) servletRequest.getAttribute(RequestUtils.JETTY_REQUEST_SSLSESSION);
jdiscHttpReq.context().put(RequestUtils.JDISC_REQUEST_SSLSESSION, sslSession);
servletRequest.setAttribute(HttpRequest.class.getName(), jdiscHttpReq);
return jdiscHttpReq;
} catch (Utf8Appendable.NotUtf8Exception e) {
throw createBadQueryException(e);
}
}
private static HttpRequest.Method getMethod(HttpServletRequest servletRequest) {
String method = servletRequest.getMethod();
try {
return HttpRequest.Method.valueOf(method);
} catch (IllegalArgumentException e) {
throw new RequestException(METHOD_NOT_ALLOWED, "Invalid method '" + method + "'");
}
}
// Implementation based on org.eclipse.jetty.server.Request.getRequestURL(), but with the connector's local port instead
public static URI getUri(HttpServletRequest servletRequest) {
try {
String scheme = servletRequest.getScheme();
String host = servletRequest.getServerName();
int port = getConnectorLocalPort((Request) servletRequest);
String path = servletRequest.getRequestURI();
String query = servletRequest.getQueryString();
URI uri = URI.create(scheme + "://" +
host + ":" + port +
(path != null ? path : "") +
(query != null ? "?" + query : ""));
validateSchemeHostPort(scheme, host, port, uri);
return uri;
}
catch (IllegalArgumentException e) {
throw createBadQueryException(e);
}
}
private static void validateSchemeHostPort(String scheme, String host, int port, URI uri) {
if ( ! scheme.equals(uri.getScheme()))
throw new IllegalArgumentException("Bad scheme: " + scheme);
if ( ! host.equals(uri.getHost()) || port != uri.getPort())
throw new IllegalArgumentException("Bad authority: " + uri.getRawAuthority() + " != " + host + ":" + port);
}
private static RequestException createBadQueryException(IllegalArgumentException e) {
return new RequestException(BAD_REQUEST, "URL violates RFC 2396: " + e.getMessage(), e);
}
public static void copyHeaders(HttpServletRequest from, HttpRequest to) {
for (Enumeration<String> it = from.getHeaderNames(); it.hasMoreElements(); ) {
String key = it.nextElement();
for (Enumeration<String> value = from.getHeaders(key); value.hasMoreElements(); ) {
to.headers().add(key, value.nextElement());
}
}
}
private static X509Certificate[] getCertChain(HttpServletRequest servletRequest) {
return (X509Certificate[]) servletRequest.getAttribute(RequestUtils.SERVLET_REQUEST_X509CERT);
}
}
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