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Camunda 7 Keycloak Identity Provider Plugin including all transitive dependencies
/*
* ====================================================================
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* .
*
*/
package org.apache.hc.core5.http.nio.support;
import java.io.IOException;
import java.util.Set;
import org.apache.hc.core5.annotation.Contract;
import org.apache.hc.core5.annotation.ThreadingBehavior;
import org.apache.hc.core5.http.EntityDetails;
import org.apache.hc.core5.http.HttpException;
import org.apache.hc.core5.http.HttpRequest;
import org.apache.hc.core5.http.HttpResponse;
import org.apache.hc.core5.http.HttpStatus;
import org.apache.hc.core5.http.message.BasicHttpResponse;
import org.apache.hc.core5.http.nio.AsyncDataConsumer;
import org.apache.hc.core5.http.nio.AsyncEntityProducer;
import org.apache.hc.core5.http.nio.AsyncFilterChain;
import org.apache.hc.core5.http.nio.AsyncFilterHandler;
import org.apache.hc.core5.http.nio.AsyncPushProducer;
import org.apache.hc.core5.http.nio.AsyncServerExchangeHandler;
import org.apache.hc.core5.http.nio.DataStreamChannel;
import org.apache.hc.core5.http.nio.HandlerFactory;
import org.apache.hc.core5.http.nio.ResponseChannel;
import org.apache.hc.core5.http.nio.entity.AsyncEntityProducers;
import org.apache.hc.core5.http.protocol.HttpContext;
import org.apache.hc.core5.util.Args;
/**
* {@link AsyncFilterHandler} implementation represents a terminal handler
* in an asynchronous request processing pipeline that makes use of {@link HandlerFactory}
* to dispatch the request to a particular {@link AsyncServerExchangeHandler}.
*
* @since 5.0
*/
@Contract(threading = ThreadingBehavior.STATELESS)
public final class TerminalAsyncServerFilter implements AsyncFilterHandler {
final private HandlerFactory handlerFactory;
public TerminalAsyncServerFilter(final HandlerFactory handlerFactory) {
this.handlerFactory = Args.notNull(handlerFactory, "Handler factory");
}
@Override
public AsyncDataConsumer handle(
final HttpRequest request,
final EntityDetails entityDetails,
final HttpContext context,
final AsyncFilterChain.ResponseTrigger responseTrigger,
final AsyncFilterChain chain) throws HttpException, IOException {
final AsyncServerExchangeHandler exchangeHandler = handlerFactory.create(request, context);
if (exchangeHandler != null) {
exchangeHandler.handleRequest(request, entityDetails, new ResponseChannel() {
@Override
public void sendInformation(final HttpResponse response, final HttpContext httpContext) throws HttpException, IOException {
responseTrigger.sendInformation(response);
}
@Override
public void sendResponse(final HttpResponse response, final EntityDetails entityDetails, final HttpContext httpContext) throws HttpException, IOException {
responseTrigger.submitResponse(response, entityDetails != null ? new AsyncEntityProducer() {
@Override
public void failed(final Exception cause) {
exchangeHandler.failed(cause);
}
@Override
public boolean isRepeatable() {
return false;
}
@Override
public long getContentLength() {
return entityDetails.getContentLength();
}
@Override
public String getContentType() {
return entityDetails.getContentType();
}
@Override
public String getContentEncoding() {
return entityDetails.getContentEncoding();
}
@Override
public boolean isChunked() {
return entityDetails.isChunked();
}
@Override
public Set getTrailerNames() {
return entityDetails.getTrailerNames();
}
@Override
public int available() {
return exchangeHandler.available();
}
@Override
public void produce(final DataStreamChannel channel) throws IOException {
exchangeHandler.produce(channel);
}
@Override
public void releaseResources() {
exchangeHandler.releaseResources();
}
} : null);
}
@Override
public void pushPromise(final HttpRequest promise, final AsyncPushProducer pushProducer, final HttpContext httpContext) throws HttpException, IOException {
responseTrigger.pushPromise(promise, pushProducer);
}
}, context);
return exchangeHandler;
}
responseTrigger.submitResponse(new BasicHttpResponse(HttpStatus.SC_NOT_FOUND), AsyncEntityProducers.create("Not found"));
return null;
}
}