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// Copyright 2018 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.controller.restapi;
import com.yahoo.application.container.handler.Request;
import com.yahoo.jdisc.HeaderFields;
import com.yahoo.jdisc.http.Cookie;
import com.yahoo.jdisc.http.HttpRequest;
import com.yahoo.jdisc.http.filter.DiscFilterRequest;
import com.yahoo.jdisc.http.servlet.ServletOrJdiscHttpRequest;
import java.net.SocketAddress;
import java.net.URI;
import java.security.Principal;
import java.security.cert.X509Certificate;
import java.util.Collections;
import java.util.Enumeration;
import java.util.List;
import java.util.Map;
import java.util.concurrent.TimeUnit;
/**
* Wraps an {@link Request} into a {@link DiscFilterRequest}. Only a few methods are supported.
* Changes are not propagated; updated request instance must be retrieved through {@link #getUpdatedRequest()}.
*
* @author bjorncs
*/
public class ApplicationRequestToDiscFilterRequestWrapper extends DiscFilterRequest {
private final Request request;
private final List<X509Certificate> clientCertificateChain;
private Principal userPrincipal;
public ApplicationRequestToDiscFilterRequestWrapper(Request request) {
this(request, Collections.emptyList());
}
public ApplicationRequestToDiscFilterRequestWrapper(Request request, List<X509Certificate> clientCertificateChain) {
super(new ServletOrJdiscHttpRequest() {
@Override
public void copyHeaders(HeaderFields target) {
request.getHeaders().forEach(target::add);
}
@Override
public Map<String, List<String>> parameters() {
return Collections.emptyMap();
}
@Override
public URI getUri() {
return URI.create(request.getUri()).normalize(); // Consistent with what JDisc does.
}
@Override
public HttpRequest.Version getVersion() {
throw new UnsupportedOperationException();
}
@Override
public String getRemoteHostAddress() {
throw new UnsupportedOperationException();
}
@Override
public String getRemoteHostName() {
throw new UnsupportedOperationException();
}
@Override
public int getRemotePort() {
throw new UnsupportedOperationException();
}
@Override
public void setRemoteAddress(SocketAddress remoteAddress) {
throw new UnsupportedOperationException();
}
@Override
public Map<String, Object> context() {
throw new UnsupportedOperationException();
}
@Override
public List<Cookie> decodeCookieHeader() {
throw new UnsupportedOperationException();
}
@Override
public void encodeCookieHeader(List<Cookie> cookies) {
throw new UnsupportedOperationException();
}
@Override
public long getConnectedAt(TimeUnit unit) {
throw new UnsupportedOperationException();
}
});
this.request = request;
this.userPrincipal = request.getUserPrincipal().orElse(null);
this.clientCertificateChain = clientCertificateChain;
}
public Request getUpdatedRequest() {
Request updatedRequest = new Request(this.request.getUri(), this.request.getBody(), this.request.getMethod(), this.userPrincipal);
this.request.getHeaders().forEach(updatedRequest.getHeaders()::put);
updatedRequest.getAttributes().putAll(this.request.getAttributes());
return updatedRequest;
}
@Override
public String getMethod() {
return request.getMethod().name();
}
@Override
public void setUri(URI uri) {
throw new UnsupportedOperationException();
}
@Override
public String getParameter(String name) {
throw new UnsupportedOperationException();
}
@Override
public Enumeration<String> getParameterNames() {
throw new UnsupportedOperationException();
}
@Override
public void addHeader(String name, String value) {
throw new UnsupportedOperationException();
}
@Override
public String getHeader(String name) {
return request.getHeaders().getFirst(name);
}
@Override
public Enumeration<String> getHeaderNames() {
throw new UnsupportedOperationException();
}
@Override
public List<String> getHeaderNamesAsList() {
throw new UnsupportedOperationException();
}
@Override
public Enumeration<String> getHeaders(String name) {
throw new UnsupportedOperationException();
}
@Override
public List<String> getHeadersAsList(String name) {
throw new UnsupportedOperationException();
}
@Override
public void removeHeaders(String name) {
throw new UnsupportedOperationException();
}
@Override
public void setHeaders(String name, String value) {
throw new UnsupportedOperationException();
}
@Override
public void setHeaders(String name, List<String> values) {
throw new UnsupportedOperationException();
}
@Override
public Principal getUserPrincipal() {
return this.userPrincipal;
}
@Override
public void setUserPrincipal(Principal principal) {
this.userPrincipal = principal;
}
@Override
public List<X509Certificate> getClientCertificateChain() {
return clientCertificateChain;
}
@Override
public void clearCookies() {
throw new UnsupportedOperationException();
}
@Override
public Object getAttribute(String name) {
return request.getAttributes().get(name);
}
@Override
public void setAttribute(String name, Object value) {
request.getAttributes().put(name, value);
}
}
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