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WildFly Security HTTP OIDC Mechanism Implementation
/*
* JBoss, Home of Professional Open Source.
* Copyright 2021 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* Licensed 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.
*/
package org.wildfly.security.http.oidc;
import static org.wildfly.security.http.oidc.ElytronMessages.log;
import static org.wildfly.security.http.oidc.Oidc.EnvUtil;
import static org.wildfly.security.http.oidc.Oidc.PROTOCOL_CLASSPATH;
import java.io.FileInputStream;
import java.io.InputStream;
import java.net.URI;
import java.security.KeyStore;
import java.security.SecureRandom;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.Collections;
import java.util.Date;
import java.util.List;
import java.util.concurrent.TimeUnit;
import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSession;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
import org.apache.http.HttpHost;
import org.apache.http.client.CookieStore;
import org.apache.http.client.HttpClient;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.config.Registry;
import org.apache.http.config.RegistryBuilder;
import org.apache.http.conn.HttpClientConnectionManager;
import org.apache.http.conn.socket.ConnectionSocketFactory;
import org.apache.http.conn.socket.PlainConnectionSocketFactory;
import org.apache.http.conn.ssl.DefaultHostnameVerifier;
import org.apache.http.conn.ssl.NoopHostnameVerifier;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.cookie.Cookie;
import org.apache.http.impl.conn.BasicHttpClientConnectionManager;
import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
import org.apache.http.ssl.SSLContexts;
/**
* Abstraction for creating HttpClients. Allows SSL configuration.
*
* @author Bill Burke
* @author Farah Juma
*/
public class HttpClientBuilder {
public enum HostnameVerificationPolicy {
/**
* Hostname verification is not done on the server's certificate
*/
ANY,
/**
* Allows wildcards in subdomain names i.e. *.foo.com
*/
WILDCARD
}
private KeyStore truststore;
private boolean disableTrustManager;
private boolean disableCookieCache = true;
private KeyStore clientKeyStore;
private String clientPrivateKeyPassword;
private int connectionPoolSize = 100;
protected int maxPooledPerRoute = 0;
private HostnameVerificationPolicy policy = HostnameVerificationPolicy.WILDCARD;
private HttpHost proxyHost;
private HostnameVerifier verifier = null;
private SSLContext sslContext;
private long connectionTimeToLive = -1;
private TimeUnit connectionTimeToLiveUnit = TimeUnit.MILLISECONDS;
private long socketTimeout = -1;
private TimeUnit socketTimeoutUnits = TimeUnit.MILLISECONDS;
private long establishConnectionTimeout = -1;
private TimeUnit establishConnectionTimeoutUnits = TimeUnit.MILLISECONDS;
/**
* This should only be set if you cannot or do not want to verify the identity of the
* host you are communicating with.
*
* @return the builder
*/
public HttpClientBuilder setDisableTrustManager() {
this.disableTrustManager = true;
return this;
}
public HttpClientBuilder setDisableCookieCache(boolean disable) {
this.disableCookieCache = disable;
return this;
}
public HttpClientBuilder setKeyStore(KeyStore keyStore, String password) {
this.clientKeyStore = keyStore;
this.clientPrivateKeyPassword = password;
return this;
}
public HttpClientBuilder setConnectionPoolSize(int connectionPoolSize) {
this.connectionPoolSize = connectionPoolSize;
return this;
}
public HttpClientBuilder setHostnameVerification(HostnameVerificationPolicy policy) {
this.policy = policy;
return this;
}
public HttpClientBuilder setTrustStore(KeyStore truststore) {
this.truststore = truststore;
return this;
}
public HttpClientBuilder setConnectionTimeToLive(long timeToLive, TimeUnit timeToLiveUnit) {
this.connectionTimeToLive = timeToLive;
this.connectionTimeToLiveUnit = timeToLiveUnit;
return this;
}
public HttpClientBuilder setMaxPooledPerRoute(int maxPooledPerRoute) {
this.maxPooledPerRoute = maxPooledPerRoute;
return this;
}
public HttpClientBuilder setSocketTimeout(long timeout, TimeUnit unit) {
this.socketTimeout = timeout;
this.socketTimeoutUnits = unit;
return this;
}
public HttpClientBuilder setEstablishConnectionTimeout(long timeout, TimeUnit unit) {
this.establishConnectionTimeout = timeout;
this.establishConnectionTimeoutUnits = unit;
return this;
}
public HttpClient build() {
HostnameVerifier verifier = null;
if (this.verifier != null) verifier = new VerifierWrapper(this.verifier);
else {
switch (policy) {
case ANY:
verifier = new NoopHostnameVerifier();
break;
case WILDCARD:
verifier = new DefaultHostnameVerifier();
break;
}
}
try {
SSLConnectionSocketFactory sslSocketFactory = null;
SSLContext theContext = sslContext;
if (disableTrustManager) {
theContext = SSLContext.getInstance("TLS");
theContext.init(null, new TrustManager[]{ new PassthroughTrustManager() },
new SecureRandom());
verifier = new NoopHostnameVerifier();
sslSocketFactory = new SSLConnectionSocketFactory(theContext, verifier);
} else if (theContext != null) {
sslSocketFactory = new SSLConnectionSocketFactory(theContext, verifier);
} else if (clientKeyStore != null || truststore != null) {
sslSocketFactory = new SSLConnectionSocketFactory(SSLContexts.custom()
.setProtocol(SSLConnectionSocketFactory.TLS)
.setSecureRandom(null)
.loadKeyMaterial(clientKeyStore, clientPrivateKeyPassword != null ? clientPrivateKeyPassword.toCharArray() : null)
.loadTrustMaterial(truststore,null)
.build(), verifier);
} else {
final SSLContext tlsContext = SSLContext.getInstance(SSLConnectionSocketFactory.TLS);
tlsContext.init(null, null, null);
sslSocketFactory = new SSLConnectionSocketFactory(tlsContext, verifier);
}
Registry registry = RegistryBuilder.create()
.register("http", PlainConnectionSocketFactory.getSocketFactory())
.register("https", sslSocketFactory)
.build();
HttpClientConnectionManager connectionManager;
if (connectionPoolSize > 0) {
PoolingHttpClientConnectionManager pcm = new PoolingHttpClientConnectionManager(registry, null, null, null, connectionTimeToLive, connectionTimeToLiveUnit);
pcm.setMaxTotal(connectionPoolSize);
if (maxPooledPerRoute == 0) maxPooledPerRoute = connectionPoolSize;
pcm.setDefaultMaxPerRoute(maxPooledPerRoute);
connectionManager = pcm;
} else {
connectionManager = new BasicHttpClientConnectionManager(registry);
}
org.apache.http.impl.client.HttpClientBuilder clientBuilder = org.apache.http.impl.client.HttpClientBuilder.create();
clientBuilder.setConnectionManager(connectionManager);
RequestConfig.Builder requestConfigBuilder = RequestConfig.custom();
if (proxyHost != null) {
requestConfigBuilder.setProxy(proxyHost);
}
if (socketTimeout > -1) {
requestConfigBuilder.setSocketTimeout((int) socketTimeoutUnits.toMillis(socketTimeout));
}
if (establishConnectionTimeout > -1) {
requestConfigBuilder.setConnectTimeout((int) establishConnectionTimeoutUnits.toMillis(establishConnectionTimeout));
}
clientBuilder.setDefaultRequestConfig(requestConfigBuilder.build());
if (disableCookieCache) {
clientBuilder.setDefaultCookieStore(new CookieStore() {
@Override
public void addCookie(Cookie cookie) {
}
@Override
public List getCookies() {
return Collections.emptyList();
}
@Override
public boolean clearExpired(Date date) {
return false;
}
@Override
public void clear() {
}
});
}
return clientBuilder.build();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
public HttpClient build(OidcJsonConfiguration oidcClientConfig) {
setDisableCookieCache(true); // disable cookie cache as we don't want sticky sessions for load balancing
String truststorePath = oidcClientConfig.getTruststore();
if (truststorePath != null) {
truststorePath = EnvUtil.replace(truststorePath);
String truststorePassword = oidcClientConfig.getTruststorePassword();
try {
this.truststore = loadKeyStore(truststorePath, truststorePassword);
} catch (Exception e) {
throw log.unableToLoadKeyStore(e);
}
}
String clientKeystore = oidcClientConfig.getClientKeystore();
if (clientKeystore != null) {
clientKeystore = EnvUtil.replace(clientKeystore);
String clientKeystorePassword = oidcClientConfig.getClientKeystorePassword();
try {
KeyStore clientCertKeystore = loadKeyStore(clientKeystore, clientKeystorePassword);
setKeyStore(clientCertKeystore, clientKeystorePassword);
} catch (Exception e) {
throw log.unableToLoadTrustStore(e);
}
}
int size = 10;
if (oidcClientConfig.getConnectionPoolSize() > 0) {
size = oidcClientConfig.getConnectionPoolSize();
}
HttpClientBuilder.HostnameVerificationPolicy policy = HttpClientBuilder.HostnameVerificationPolicy.WILDCARD;
if (oidcClientConfig.isAllowAnyHostname()) {
policy = HttpClientBuilder.HostnameVerificationPolicy.ANY;
}
setConnectionPoolSize(size);
setHostnameVerification(policy);
if (oidcClientConfig.isDisableTrustManager()) {
setDisableTrustManager();
} else {
setTrustStore(truststore);
}
configureProxyForAuthServerIfProvided(oidcClientConfig);
return build();
}
/**
* Configures a the proxy to use for auth-server requests if provided.
*
* If the given {@link OidcJsonConfiguration} contains the attribute {@code proxy-url} we use the
* given URL as a proxy server, otherwise the proxy configuration is ignored.
*
*
* @param adapterConfig
*/
private void configureProxyForAuthServerIfProvided(OidcJsonConfiguration adapterConfig) {
if (adapterConfig == null || adapterConfig.getProxyUrl() == null || adapterConfig.getProxyUrl().trim().isEmpty()) {
return;
}
URI uri = URI.create(adapterConfig.getProxyUrl());
this.proxyHost = new HttpHost(uri.getHost(), uri.getPort(), uri.getScheme());
}
private static KeyStore loadKeyStore(String filename, String password) throws Exception {
KeyStore trustStore = KeyStore.getInstance(KeyStore.getDefaultType());
InputStream trustStream = null;
if (filename.startsWith(PROTOCOL_CLASSPATH)) {
String resourcePath = filename.replace(PROTOCOL_CLASSPATH, "");
if (Thread.currentThread().getContextClassLoader() != null) {
trustStream = Thread.currentThread().getContextClassLoader().getResourceAsStream(resourcePath);
}
if (trustStream == null) {
trustStream = HttpClientBuilder.class.getResourceAsStream(resourcePath);
}
if (trustStream == null) {
throw log.unableToFindTrustStoreFile(filename);
}
} else {
trustStream = new FileInputStream(filename);
}
try (InputStream is = trustStream) {
trustStore.load(is, password.toCharArray());
}
return trustStore;
}
static class VerifierWrapper implements HostnameVerifier {
protected HostnameVerifier verifier;
VerifierWrapper(HostnameVerifier verifier) {
this.verifier = verifier;
}
@Override
public boolean verify(String s, SSLSession sslSession) {
return verifier.verify(s, sslSession);
}
}
private static class PassthroughTrustManager implements X509TrustManager {
public void checkClientTrusted(X509Certificate[] chain,
String authType) throws CertificateException {
}
public void checkServerTrusted(X509Certificate[] chain,
String authType) throws CertificateException {
}
public X509Certificate[] getAcceptedIssuers() {
return null;
}
}
}