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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.http2.impl.nio;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.List;
import org.apache.hc.core5.annotation.Internal;
import org.apache.hc.core5.http.Header;
import org.apache.hc.core5.http.HttpException;
import org.apache.hc.core5.http.RequestHeaderFieldsTooLargeException;
import org.apache.hc.core5.http.config.CharCodingConfig;
import org.apache.hc.core5.http.impl.BasicHttpConnectionMetrics;
import org.apache.hc.core5.http.nio.AsyncPushConsumer;
import org.apache.hc.core5.http.nio.AsyncServerExchangeHandler;
import org.apache.hc.core5.http.nio.HandlerFactory;
import org.apache.hc.core5.http.nio.command.ExecutableCommand;
import org.apache.hc.core5.http.protocol.HttpCoreContext;
import org.apache.hc.core5.http.protocol.HttpProcessor;
import org.apache.hc.core5.http2.H2ConnectionException;
import org.apache.hc.core5.http2.H2Error;
import org.apache.hc.core5.http2.config.H2Config;
import org.apache.hc.core5.http2.frame.DefaultFrameFactory;
import org.apache.hc.core5.http2.frame.FrameFactory;
import org.apache.hc.core5.http2.frame.StreamIdGenerator;
import org.apache.hc.core5.http2.hpack.HeaderListConstraintException;
import org.apache.hc.core5.reactor.ProtocolIOSession;
import org.apache.hc.core5.util.Args;
/**
* I/O event handler for events fired by {@link ProtocolIOSession} that implements
* server side HTTP/2 messaging protocol with full support for
* multiplexed message transmission.
*
* @since 5.0
*/
@Internal
public class ServerH2StreamMultiplexer extends AbstractH2StreamMultiplexer {
private final HandlerFactory exchangeHandlerFactory;
public ServerH2StreamMultiplexer(
final ProtocolIOSession ioSession,
final FrameFactory frameFactory,
final HttpProcessor httpProcessor,
final HandlerFactory exchangeHandlerFactory,
final CharCodingConfig charCodingConfig,
final H2Config h2Config,
final H2StreamListener streamListener) {
super(ioSession, frameFactory, StreamIdGenerator.EVEN, httpProcessor, charCodingConfig, h2Config, streamListener);
this.exchangeHandlerFactory = Args.notNull(exchangeHandlerFactory, "Handler factory");
}
public ServerH2StreamMultiplexer(
final ProtocolIOSession ioSession,
final HttpProcessor httpProcessor,
final HandlerFactory exchangeHandlerFactory,
final CharCodingConfig charCodingConfig,
final H2Config h2Config) {
this(ioSession, DefaultFrameFactory.INSTANCE, httpProcessor, exchangeHandlerFactory, charCodingConfig, h2Config, null);
}
@Override
void acceptHeaderFrame() throws H2ConnectionException {
}
@Override
void acceptPushRequest() throws H2ConnectionException {
}
@Override
void acceptPushFrame() throws H2ConnectionException {
throw new H2ConnectionException(H2Error.PROTOCOL_ERROR, "Push not supported");
}
@Override
H2StreamHandler createRemotelyInitiatedStream(
final H2StreamChannel channel,
final HttpProcessor httpProcessor,
final BasicHttpConnectionMetrics connMetrics,
final HandlerFactory pushHandlerFactory) throws IOException {
final HttpCoreContext context = HttpCoreContext.create();
context.setAttribute(HttpCoreContext.SSL_SESSION, getSSLSession());
context.setAttribute(HttpCoreContext.CONNECTION_ENDPOINT, getEndpointDetails());
return new ServerH2StreamHandler(channel, httpProcessor, connMetrics, exchangeHandlerFactory, context);
}
@Override
H2StreamHandler createLocallyInitiatedStream(
final ExecutableCommand command,
final H2StreamChannel channel,
final HttpProcessor httpProcessor,
final BasicHttpConnectionMetrics connMetrics) throws IOException {
throw new H2ConnectionException(H2Error.INTERNAL_ERROR, "Illegal attempt to execute a request");
}
@Override
List decodeHeaders(final ByteBuffer payload) throws HttpException {
try {
return super.decodeHeaders(payload);
} catch (final HeaderListConstraintException ex) {
throw new RequestHeaderFieldsTooLargeException(ex.getMessage(), ex);
}
}
@Override
public String toString() {
final StringBuilder buf = new StringBuilder();
buf.append("[");
appendState(buf);
buf.append("]");
return buf.toString();
}
}