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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
* socketFactoryRegistry;
private final SchemePortResolver schemePortResolver;
private final DnsResolver dnsResolver;
public DefaultHttpClientConnectionOperator(
final Lookup socketFactoryRegistry,
final SchemePortResolver schemePortResolver,
final DnsResolver dnsResolver) {
super();
Args.notNull(socketFactoryRegistry, "Socket factory registry");
this.socketFactoryRegistry = socketFactoryRegistry;
this.schemePortResolver = schemePortResolver != null ? schemePortResolver :
DefaultSchemePortResolver.INSTANCE;
this.dnsResolver = dnsResolver != null ? dnsResolver :
SystemDefaultDnsResolver.INSTANCE;
}
@SuppressWarnings("unchecked")
private Lookup getSocketFactoryRegistry(final HttpContext context) {
Lookup reg = (Lookup) context.getAttribute(
SOCKET_FACTORY_REGISTRY);
if (reg == null) {
reg = this.socketFactoryRegistry;
}
return reg;
}
@Override
public void connect(
final ManagedHttpClientConnection conn,
final HttpHost host,
final InetSocketAddress localAddress,
final TimeValue connectTimeout,
final SocketConfig socketConfig,
final HttpContext context) throws IOException {
final Timeout timeout = connectTimeout != null ? Timeout.of(connectTimeout.getDuration(), connectTimeout.getTimeUnit()) : null;
connect(conn, host, localAddress, timeout, socketConfig, null, context);
}
@Override
public void connect(
final ManagedHttpClientConnection conn,
final HttpHost host,
final InetSocketAddress localAddress,
final Timeout connectTimeout,
final SocketConfig socketConfig,
final Object attachment,
final HttpContext context) throws IOException {
Args.notNull(conn, "Connection");
Args.notNull(host, "Host");
Args.notNull(socketConfig, "Socket config");
Args.notNull(context, "Context");
final Lookup registry = getSocketFactoryRegistry(context);
final ConnectionSocketFactory sf = registry.lookup(host.getSchemeName());
if (sf == null) {
throw new UnsupportedSchemeException(host.getSchemeName() + " protocol is not supported");
}
final InetAddress[] remoteAddresses;
if (host.getAddress() != null) {
remoteAddresses = new InetAddress[] { host.getAddress() };
} else {
if (LOG.isDebugEnabled()) {
LOG.debug("{} resolving remote address", host.getHostName());
}
remoteAddresses = this.dnsResolver.resolve(host.getHostName());
if (LOG.isDebugEnabled()) {
LOG.debug("{} resolved to {}", host.getHostName(), Arrays.asList(remoteAddresses));
}
}
final Timeout soTimeout = socketConfig.getSoTimeout();
final int port = this.schemePortResolver.resolve(host);
for (int i = 0; i < remoteAddresses.length; i++) {
final InetAddress address = remoteAddresses[i];
final boolean last = i == remoteAddresses.length - 1;
Socket sock = sf.createSocket(context);
if (soTimeout != null) {
sock.setSoTimeout(soTimeout.toMillisecondsIntBound());
}
sock.setReuseAddress(socketConfig.isSoReuseAddress());
sock.setTcpNoDelay(socketConfig.isTcpNoDelay());
sock.setKeepAlive(socketConfig.isSoKeepAlive());
if (socketConfig.getRcvBufSize() > 0) {
sock.setReceiveBufferSize(socketConfig.getRcvBufSize());
}
if (socketConfig.getSndBufSize() > 0) {
sock.setSendBufferSize(socketConfig.getSndBufSize());
}
final int linger = socketConfig.getSoLinger().toMillisecondsIntBound();
if (linger >= 0) {
sock.setSoLinger(true, linger);
}
conn.bind(sock);
final InetSocketAddress remoteAddress = new InetSocketAddress(address, port);
if (LOG.isDebugEnabled()) {
LOG.debug("{}:{} connecting {}->{} ({})",
host.getHostName(), host.getPort(), localAddress, remoteAddress, connectTimeout);
}
try {
sock = sf.connectSocket(sock, host, remoteAddress, localAddress, connectTimeout, attachment, context);
conn.bind(sock);
conn.setSocketTimeout(soTimeout);
if (LOG.isDebugEnabled()) {
LOG.debug("{}:{} connected {}->{} as {}",
host.getHostName(), host.getPort(), localAddress, remoteAddress, ConnPoolSupport.getId(conn));
}
return;
} catch (final IOException ex) {
if (last) {
if (LOG.isDebugEnabled()) {
LOG.debug("{}:{} connection to {} failed ({}); terminating operation",
host.getHostName(), host.getPort(), remoteAddress, ex.getClass());
}
throw ConnectExceptionSupport.enhance(ex, host, remoteAddresses);
} else {
if (LOG.isDebugEnabled()) {
LOG.debug("{}:{} connection to {} failed ({}); retrying connection to the next address",
host.getHostName(), host.getPort(), remoteAddress, ex.getClass());
}
}
}
}
}
@Override
public void upgrade(
final ManagedHttpClientConnection conn,
final HttpHost host,
final HttpContext context) throws IOException {
upgrade(conn, host, null, context);
}
@Override
public void upgrade(
final ManagedHttpClientConnection conn,
final HttpHost host,
final Object attachment,
final HttpContext context) throws IOException {
final HttpClientContext clientContext = HttpClientContext.adapt(context);
final Lookup registry = getSocketFactoryRegistry(clientContext);
final ConnectionSocketFactory sf = registry.lookup(host.getSchemeName());
if (sf == null) {
throw new UnsupportedSchemeException(host.getSchemeName() +
" protocol is not supported");
}
if (!(sf instanceof LayeredConnectionSocketFactory)) {
throw new UnsupportedSchemeException(host.getSchemeName() +
" protocol does not support connection upgrade");
}
final LayeredConnectionSocketFactory lsf = (LayeredConnectionSocketFactory) sf;
Socket sock = conn.getSocket();
if (sock == null) {
throw new ConnectionClosedException("Connection is closed");
}
final int port = this.schemePortResolver.resolve(host);
sock = lsf.createLayeredSocket(sock, host.getHostName(), port, attachment, context);
conn.bind(sock);
}
}