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/*
* ====================================================================
* 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
*
* SSLSocketFactory can be used to validate the identity of the HTTPS server against a list of
* trusted certificates and to authenticate to the HTTPS server using a private key.
*
*
* SSLSocketFactory will enable server authentication when supplied with
* a {@link KeyStore trust-store} file containing one or several trusted certificates. The client
* secure socket will reject the connection during the SSL session handshake if the target HTTPS
* server attempts to authenticate itself with a non-trusted certificate.
*
*
* Use JDK keytool utility to import a trusted certificate and generate a trust-store file:
*
* keytool -import -alias "my server cert" -file server.crt -keystore my.truststore
*
*
* In special cases the standard trust verification process can be bypassed by using a custom
* {@link TrustStrategy}. This interface is primarily intended for allowing self-signed
* certificates to be accepted as trusted without having to add them to the trust-store file.
*
*
* SSLSocketFactory will enable client authentication when supplied with
* a {@link KeyStore key-store} file containing a private key/public certificate
* pair. The client secure socket will use the private key to authenticate
* itself to the target HTTPS server during the SSL session handshake if
* requested to do so by the server.
* The target HTTPS server will in its turn verify the certificate presented
* by the client in order to establish client's authenticity.
*
*
* Use the following sequence of actions to generate a key-store file
*
*
* -
*
* Use JDK keytool utility to generate a new key
*
* keytool -genkey -v -alias "my client key" -validity 365 -keystore my.keystore
*
* For simplicity use the same password for the key as that of the key-store
*
*
* -
*
* Issue a certificate signing request (CSR)
*
* keytool -certreq -alias "my client key" -file mycertreq.csr -keystore my.keystore
*
* -
*
* Send the certificate request to the trusted Certificate Authority for signature.
* One may choose to act as her own CA and sign the certificate request using a PKI
* tool, such as OpenSSL.
*
*
* -
*
* Import the trusted CA root certificate
*
* keytool -import -alias "my trusted ca" -file caroot.crt -keystore my.keystore
*
* -
*
* Import the PKCS#7 file containg the complete certificate chain
*
* keytool -import -alias "my client key" -file mycert.p7 -keystore my.keystore
*
* -
*
* Verify the content the resultant keystore file
*
* keytool -list -v -keystore my.keystore
*
*
*
* @since 4.0
*
* @deprecated (4.3) use {@link SSLConnectionSocketFactory}.
*/
@Contract(threading = ThreadingBehavior.SAFE_CONDITIONAL)
@Deprecated
public class SSLSocketFactory implements LayeredConnectionSocketFactory, SchemeLayeredSocketFactory,
LayeredSchemeSocketFactory, LayeredSocketFactory {
public static final String TLS = "TLS";
public static final String SSL = "SSL";
public static final String SSLV2 = "SSLv2";
public static final X509HostnameVerifier ALLOW_ALL_HOSTNAME_VERIFIER
= new AllowAllHostnameVerifier();
public static final X509HostnameVerifier BROWSER_COMPATIBLE_HOSTNAME_VERIFIER
= new BrowserCompatHostnameVerifier();
public static final X509HostnameVerifier STRICT_HOSTNAME_VERIFIER
= new StrictHostnameVerifier();
/**
* Obtains default SSL socket factory with an SSL context based on the standard JSSE
* trust material ({@code cacerts} file in the security properties directory).
* System properties are not taken into consideration.
*
* @return default SSL socket factory
*/
public static SSLSocketFactory getSocketFactory() throws SSLInitializationException {
return new SSLSocketFactory(
SSLContexts.createDefault(),
BROWSER_COMPATIBLE_HOSTNAME_VERIFIER);
}
private static String[] split(final String s) {
if (TextUtils.isBlank(s)) {
return null;
}
return s.split(" *, *");
}
/**
* Obtains default SSL socket factory with an SSL context based on system properties
* as described in
*
* "JavaTM Secure Socket Extension (JSSE) Reference Guide for the JavaTM 2 Platform
* Standard Edition 5
*
* @return default system SSL socket factory
*/
public static SSLSocketFactory getSystemSocketFactory() throws SSLInitializationException {
return new SSLSocketFactory(
(javax.net.ssl.SSLSocketFactory) javax.net.ssl.SSLSocketFactory.getDefault(),
split(System.getProperty("https.protocols")),
split(System.getProperty("https.cipherSuites")),
BROWSER_COMPATIBLE_HOSTNAME_VERIFIER);
}
private final javax.net.ssl.SSLSocketFactory socketfactory;
private final HostNameResolver nameResolver;
// TODO: make final
private volatile X509HostnameVerifier hostnameVerifier;
private final String[] supportedProtocols;
private final String[] supportedCipherSuites;
public SSLSocketFactory(
final String algorithm,
final KeyStore keystore,
final String keyPassword,
final KeyStore truststore,
final SecureRandom random,
final HostNameResolver nameResolver)
throws NoSuchAlgorithmException, KeyManagementException, KeyStoreException, UnrecoverableKeyException {
this(SSLContexts.custom()
.useProtocol(algorithm)
.setSecureRandom(random)
.loadKeyMaterial(keystore, keyPassword != null ? keyPassword.toCharArray() : null)
.loadTrustMaterial(truststore)
.build(),
nameResolver);
}
/**
* @since 4.1
*/
public SSLSocketFactory(
final String algorithm,
final KeyStore keystore,
final String keyPassword,
final KeyStore truststore,
final SecureRandom random,
final TrustStrategy trustStrategy,
final X509HostnameVerifier hostnameVerifier)
throws NoSuchAlgorithmException, KeyManagementException, KeyStoreException, UnrecoverableKeyException {
this(SSLContexts.custom()
.useProtocol(algorithm)
.setSecureRandom(random)
.loadKeyMaterial(keystore, keyPassword != null ? keyPassword.toCharArray() : null)
.loadTrustMaterial(truststore, trustStrategy)
.build(),
hostnameVerifier);
}
/**
* @since 4.1
*/
public SSLSocketFactory(
final String algorithm,
final KeyStore keystore,
final String keyPassword,
final KeyStore truststore,
final SecureRandom random,
final X509HostnameVerifier hostnameVerifier)
throws NoSuchAlgorithmException, KeyManagementException, KeyStoreException, UnrecoverableKeyException {
this(SSLContexts.custom()
.useProtocol(algorithm)
.setSecureRandom(random)
.loadKeyMaterial(keystore, keyPassword != null ? keyPassword.toCharArray() : null)
.loadTrustMaterial(truststore)
.build(),
hostnameVerifier);
}
public SSLSocketFactory(
final KeyStore keystore,
final String keystorePassword,
final KeyStore truststore)
throws NoSuchAlgorithmException, KeyManagementException, KeyStoreException, UnrecoverableKeyException {
this(SSLContexts.custom()
.loadKeyMaterial(keystore, keystorePassword != null ? keystorePassword.toCharArray() : null)
.loadTrustMaterial(truststore)
.build(),
BROWSER_COMPATIBLE_HOSTNAME_VERIFIER);
}
public SSLSocketFactory(
final KeyStore keystore,
final String keystorePassword)
throws NoSuchAlgorithmException, KeyManagementException, KeyStoreException, UnrecoverableKeyException{
this(SSLContexts.custom()
.loadKeyMaterial(keystore, keystorePassword != null ? keystorePassword.toCharArray() : null)
.build(),
BROWSER_COMPATIBLE_HOSTNAME_VERIFIER);
}
public SSLSocketFactory(
final KeyStore truststore)
throws NoSuchAlgorithmException, KeyManagementException, KeyStoreException, UnrecoverableKeyException {
this(SSLContexts.custom()
.loadTrustMaterial(truststore)
.build(),
BROWSER_COMPATIBLE_HOSTNAME_VERIFIER);
}
/**
* @since 4.1
*/
public SSLSocketFactory(
final TrustStrategy trustStrategy,
final X509HostnameVerifier hostnameVerifier)
throws NoSuchAlgorithmException, KeyManagementException, KeyStoreException, UnrecoverableKeyException {
this(SSLContexts.custom()
.loadTrustMaterial(null, trustStrategy)
.build(),
hostnameVerifier);
}
/**
* @since 4.1
*/
public SSLSocketFactory(
final TrustStrategy trustStrategy)
throws NoSuchAlgorithmException, KeyManagementException, KeyStoreException, UnrecoverableKeyException {
this(SSLContexts.custom()
.loadTrustMaterial(null, trustStrategy)
.build(),
BROWSER_COMPATIBLE_HOSTNAME_VERIFIER);
}
public SSLSocketFactory(final SSLContext sslContext) {
this(sslContext, BROWSER_COMPATIBLE_HOSTNAME_VERIFIER);
}
public SSLSocketFactory(
final SSLContext sslContext, final HostNameResolver nameResolver) {
super();
this.socketfactory = sslContext.getSocketFactory();
this.hostnameVerifier = BROWSER_COMPATIBLE_HOSTNAME_VERIFIER;
this.nameResolver = nameResolver;
this.supportedProtocols = null;
this.supportedCipherSuites = null;
}
/**
* @since 4.1
*/
public SSLSocketFactory(
final SSLContext sslContext, final X509HostnameVerifier hostnameVerifier) {
this(Args.notNull(sslContext, "SSL context").getSocketFactory(),
null, null, hostnameVerifier);
}
/**
* @since 4.3
*/
public SSLSocketFactory(
final SSLContext sslContext,
final String[] supportedProtocols,
final String[] supportedCipherSuites,
final X509HostnameVerifier hostnameVerifier) {
this(Args.notNull(sslContext, "SSL context").getSocketFactory(),
supportedProtocols, supportedCipherSuites, hostnameVerifier);
}
/**
* @since 4.2
*/
public SSLSocketFactory(
final javax.net.ssl.SSLSocketFactory socketfactory,
final X509HostnameVerifier hostnameVerifier) {
this(socketfactory, null, null, hostnameVerifier);
}
/**
* @since 4.3
*/
public SSLSocketFactory(
final javax.net.ssl.SSLSocketFactory socketfactory,
final String[] supportedProtocols,
final String[] supportedCipherSuites,
final X509HostnameVerifier hostnameVerifier) {
this.socketfactory = Args.notNull(socketfactory, "SSL socket factory");
this.supportedProtocols = supportedProtocols;
this.supportedCipherSuites = supportedCipherSuites;
this.hostnameVerifier = hostnameVerifier != null ? hostnameVerifier : BROWSER_COMPATIBLE_HOSTNAME_VERIFIER;
this.nameResolver = null;
}
/**
* @param params Optional parameters. Parameters passed to this method will have no effect.
* This method will create a unconnected instance of {@link Socket} class.
* @since 4.1
*/
@Override
public Socket createSocket(final HttpParams params) throws IOException {
return createSocket((HttpContext) null);
}
@Override
public Socket createSocket() throws IOException {
return createSocket((HttpContext) null);
}
/**
* @since 4.1
*/
@Override
public Socket connectSocket(
final Socket socket,
final InetSocketAddress remoteAddress,
final InetSocketAddress localAddress,
final HttpParams params) throws IOException, UnknownHostException, ConnectTimeoutException {
Args.notNull(remoteAddress, "Remote address");
Args.notNull(params, "HTTP parameters");
final HttpHost host;
if (remoteAddress instanceof HttpInetSocketAddress) {
host = ((HttpInetSocketAddress) remoteAddress).getHttpHost();
} else {
host = new HttpHost(remoteAddress.getHostName(), remoteAddress.getPort(), "https");
}
final int socketTimeout = HttpConnectionParams.getSoTimeout(params);
final int connectTimeout = HttpConnectionParams.getConnectionTimeout(params);
socket.setSoTimeout(socketTimeout);
return connectSocket(connectTimeout, socket, host, remoteAddress, localAddress, null);
}
/**
* Checks whether a socket connection is secure.
* This factory creates TLS/SSL socket connections
* which, by default, are considered secure.
*
* Derived classes may override this method to perform
* runtime checks, for example based on the cypher suite.
*
*
* @param sock the connected socket
*
* @return {@code true}
*
* @throws IllegalArgumentException if the argument is invalid
*/
@Override
public boolean isSecure(final Socket sock) throws IllegalArgumentException {
Args.notNull(sock, "Socket");
Asserts.check(sock instanceof SSLSocket, "Socket not created by this factory");
Asserts.check(!sock.isClosed(), "Socket is closed");
return true;
}
/**
* @since 4.2
*/
@Override
public Socket createLayeredSocket(
final Socket socket,
final String host,
final int port,
final HttpParams params) throws IOException, UnknownHostException {
return createLayeredSocket(socket, host, port, (HttpContext) null);
}
@Override
public Socket createLayeredSocket(
final Socket socket,
final String host,
final int port,
final boolean autoClose) throws IOException, UnknownHostException {
return createLayeredSocket(socket, host, port, (HttpContext) null);
}
public void setHostnameVerifier(final X509HostnameVerifier hostnameVerifier) {
Args.notNull(hostnameVerifier, "Hostname verifier");
this.hostnameVerifier = hostnameVerifier;
}
public X509HostnameVerifier getHostnameVerifier() {
return this.hostnameVerifier;
}
@Override
public Socket connectSocket(
final Socket socket,
final String host, final int port,
final InetAddress local, final int localPort,
final HttpParams params) throws IOException, UnknownHostException, ConnectTimeoutException {
final InetAddress remote;
if (this.nameResolver != null) {
remote = this.nameResolver.resolve(host);
} else {
remote = InetAddress.getByName(host);
}
InetSocketAddress localAddress = null;
if (local != null || localPort > 0) {
localAddress = new InetSocketAddress(local, localPort > 0 ? localPort : 0);
}
final InetSocketAddress remoteAddress = new HttpInetSocketAddress(
new HttpHost(host, port), remote, port);
return connectSocket(socket, remoteAddress, localAddress, params);
}
@Override
public Socket createSocket(
final Socket socket,
final String host, final int port,
final boolean autoClose) throws IOException, UnknownHostException {
return createLayeredSocket(socket, host, port, autoClose);
}
/**
* Performs any custom initialization for a newly created SSLSocket
* (before the SSL handshake happens).
*
* The default implementation is a no-op, but could be overridden to, e.g.,
* call {@link SSLSocket#setEnabledCipherSuites(java.lang.String[])}.
* @throws IOException (only if overridden)
*
* @since 4.2
*/
protected void prepareSocket(final SSLSocket socket) throws IOException {
}
private void internalPrepareSocket(final SSLSocket socket) throws IOException {
if (supportedProtocols != null) {
socket.setEnabledProtocols(supportedProtocols);
}
if (supportedCipherSuites != null) {
socket.setEnabledCipherSuites(supportedCipherSuites);
}
prepareSocket(socket);
}
@Override
public Socket createSocket(final HttpContext context) throws IOException {
return SocketFactory.getDefault().createSocket();
}
@Override
public Socket connectSocket(
final int connectTimeout,
final Socket socket,
final HttpHost host,
final InetSocketAddress remoteAddress,
final InetSocketAddress localAddress,
final HttpContext context) throws IOException {
Args.notNull(host, "HTTP host");
Args.notNull(remoteAddress, "Remote address");
final Socket sock = socket != null ? socket : createSocket(context);
if (localAddress != null) {
sock.bind(localAddress);
}
try {
sock.connect(remoteAddress, connectTimeout);
} catch (final SocketTimeoutException ex) {
throw new ConnectTimeoutException("Connect to " + remoteAddress + " timed out");
}
// Setup SSL layering if necessary
if (sock instanceof SSLSocket) {
final SSLSocket sslsock = (SSLSocket) sock;
sslsock.startHandshake();
verifyHostname(sslsock, host.getHostName());
return sock;
} else {
return createLayeredSocket(sock, host.getHostName(), remoteAddress.getPort(), context);
}
}
@Override
public Socket createLayeredSocket(
final Socket socket,
final String target,
final int port,
final HttpContext context) throws IOException {
final SSLSocket sslsock = (SSLSocket) this.socketfactory.createSocket(
socket,
target,
port,
true);
internalPrepareSocket(sslsock);
sslsock.startHandshake();
verifyHostname(sslsock, target);
return sslsock;
}
private void verifyHostname(final SSLSocket sslsock, final String hostname) throws IOException {
try {
this.hostnameVerifier.verify(hostname, sslsock);
// verifyHostName() didn't blowup - good!
} catch (final IOException iox) {
// close the socket before re-throwing the exception
try { sslsock.close(); } catch (final Exception x) { /*ignore*/ }
throw iox;
}
}
}