/*
* Copyright 2014 The Netty Project
*
* The Netty Project 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.
*/
package io.netty.handler.ssl;
import io.netty.buffer.ByteBufAllocator;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelPipeline;
import io.netty.handler.ssl.ApplicationProtocolConfig.Protocol;
import io.netty.handler.ssl.ApplicationProtocolConfig.SelectedListenerFailureBehavior;
import io.netty.handler.ssl.ApplicationProtocolConfig.SelectorFailureBehavior;
import javax.net.ssl.KeyManager;
import javax.net.ssl.KeyManagerFactory;
import javax.crypto.Cipher;
import javax.crypto.EncryptedPrivateKeyInfo;
import javax.crypto.NoSuchPaddingException;
import javax.crypto.SecretKey;
import javax.crypto.SecretKeyFactory;
import javax.crypto.spec.PBEKeySpec;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLEngine;
import javax.net.ssl.SSLException;
import javax.net.ssl.SSLSessionContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.TrustManagerFactory;
import java.io.File;
import java.io.IOException;
import java.security.InvalidAlgorithmParameterException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.CertificateException;
import java.security.cert.CertificateFactory;
import java.security.spec.InvalidKeySpecException;
import java.security.spec.PKCS8EncodedKeySpec;
import java.util.List;
/**
* A secure socket protocol implementation which acts as a factory for {@link SSLEngine} and {@link SslHandler}.
* Internally, it is implemented via JDK's {@link SSLContext} or OpenSSL's {@code SSL_CTX}.
*
* <h3>Making your server support SSL/TLS</h3>
* <pre>
* // In your {@link ChannelInitializer}:
* {@link ChannelPipeline} p = channel.pipeline();
* {@link SslContext} sslCtx = {@link #newServerContext(File, File) SslContext.newServerContext(...)};
* p.addLast("ssl", {@link #newEngine(ByteBufAllocator) sslCtx.newEngine(channel.alloc())});
* ...
* </pre>
*
* <h3>Making your client support SSL/TLS</h3>
* <pre>
* // In your {@link ChannelInitializer}:
* {@link ChannelPipeline} p = channel.pipeline();
* {@link SslContext} sslCtx = {@link #newClientContext(File) SslContext.newClientContext(...)};
* p.addLast("ssl", {@link #newEngine(ByteBufAllocator, String, int) sslCtx.newEngine(channel.alloc(), host, port)});
* ...
* </pre>
*/
public abstract class SslContext {
static final CertificateFactory X509_CERT_FACTORY;
static {
try {
X509_CERT_FACTORY = CertificateFactory.getInstance("X.509");
} catch (CertificateException e) {
throw new IllegalStateException("unable to instance X.509 CertificateFactory", e);
}
}
/**
* Returns the default server-side implementation provider currently in use.
*
* @return {@link SslProvider#OPENSSL} if OpenSSL is available. {@link SslProvider#JDK} otherwise.
*/
public static SslProvider defaultServerProvider() {
return defaultProvider();
}
/**
* Returns the default client-side implementation provider currently in use.
*
* @return {@link SslProvider#OPENSSL} if OpenSSL is available. {@link SslProvider#JDK} otherwise.
*/
public static SslProvider defaultClientProvider() {
return defaultProvider();
}
private static SslProvider defaultProvider() {
if (OpenSsl.isAvailable()) {
return SslProvider.OPENSSL;
} else {
return SslProvider.JDK;
}
}
/**
* Creates a new server-side {@link SslContext}.
*
* @param certChainFile an X.509 certificate chain file in PEM format
* @param keyFile a PKCS#8 private key file in PEM format
* @return a new server-side {@link SslContext}
*/
public static SslContext newServerContext(File certChainFile, File keyFile) throws SSLException {
return newServerContext(certChainFile, keyFile, null);
}
/**
* Creates a new server-side {@link SslContext}.
*
* @param certChainFile an X.509 certificate chain file in PEM format
* @param keyFile a PKCS#8 private key file in PEM format
* @param keyPassword the password of the {@code keyFile}.
* {@code null} if it's not password-protected.
* @return a new server-side {@link SslContext}
*/
public static SslContext newServerContext(
File certChainFile, File keyFile, String keyPassword) throws SSLException {
return newServerContext(null, certChainFile, keyFile, keyPassword);
}
/**
* @deprecated Use the factory methods that accept {@link ApplicationProtocolConfig} instead.
*
* Creates a new server-side {@link SslContext}.
*
* @param certChainFile an X.509 certificate chain file in PEM format
* @param keyFile a PKCS#8 private key file in PEM format
* @param keyPassword the password of the {@code keyFile}.
* {@code null} if it's not password-protected.
* @param ciphers the cipher suites to enable, in the order of preference.
* {@code null} to use the default cipher suites.
* @param nextProtocols the application layer protocols to accept, in the order of preference.
* {@code null} to disable TLS NPN/ALPN extension.
* @param sessionCacheSize the size of the cache used for storing SSL session objects.
* {@code 0} to use the default value.
* @param sessionTimeout the timeout for the cached SSL session objects, in seconds.
* {@code 0} to use the default value.
* @return a new server-side {@link SslContext}
*/
@Deprecated
public static SslContext newServerContext(
File certChainFile, File keyFile, String keyPassword,
Iterable<String> ciphers, Iterable<String> nextProtocols,
long sessionCacheSize, long sessionTimeout) throws SSLException {
return newServerContext(
null, certChainFile, keyFile, keyPassword,
ciphers, nextProtocols, sessionCacheSize, sessionTimeout);
}
/**
* Creates a new server-side {@link SslContext}.
*
* @param certChainFile an X.509 certificate chain file in PEM format
* @param keyFile a PKCS#8 private key file in PEM format
* @param keyPassword the password of the {@code keyFile}.
* {@code null} if it's not password-protected.
* @param ciphers the cipher suites to enable, in the order of preference.
* {@code null} to use the default cipher suites.
* @param cipherFilter a filter to apply over the supplied list of ciphers
* @param apn Provides a means to configure parameters related to application protocol negotiation.
* @param sessionCacheSize the size of the cache used for storing SSL session objects.
* {@code 0} to use the default value.
* @param sessionTimeout the timeout for the cached SSL session objects, in seconds.
* {@code 0} to use the default value.
* @return a new server-side {@link SslContext}
*/
public static SslContext newServerContext(
File certChainFile, File keyFile, String keyPassword,
Iterable<String> ciphers, CipherSuiteFilter cipherFilter, ApplicationProtocolConfig apn,
long sessionCacheSize, long sessionTimeout) throws SSLException {
return newServerContext(
null, certChainFile, keyFile, keyPassword,
ciphers, cipherFilter, apn, sessionCacheSize, sessionTimeout);
}
/**
* Creates a new server-side {@link SslContext}.
*
* @param provider the {@link SslContext} implementation to use.
* {@code null} to use the current default one.
* @param certChainFile an X.509 certificate chain file in PEM format
* @param keyFile a PKCS#8 private key file in PEM format
* @return a new server-side {@link SslContext}
*/
public static SslContext newServerContext(
SslProvider provider, File certChainFile, File keyFile) throws SSLException {
return newServerContext(provider, certChainFile, keyFile, null);
}
/**
* Creates a new server-side {@link SslContext}.
*
* @param provider the {@link SslContext} implementation to use.
* {@code null} to use the current default one.
* @param certChainFile an X.509 certificate chain file in PEM format
* @param keyFile a PKCS#8 private key file in PEM format
* @param keyPassword the password of the {@code keyFile}.
* {@code null} if it's not password-protected.
* @return a new server-side {@link SslContext}
*/
public static SslContext newServerContext(
SslProvider provider, File certChainFile, File keyFile, String keyPassword) throws SSLException {
return newServerContext(provider, certChainFile, keyFile, keyPassword, null, IdentityCipherSuiteFilter.INSTANCE,
null, 0, 0);
}
/**
* @deprecated Use the factory methods that accept {@link ApplicationProtocolConfig} instead.
*
* Creates a new server-side {@link SslContext}.
*
* @param provider the {@link SslContext} implementation to use.
* {@code null} to use the current default one.
* @param certChainFile an X.509 certificate chain file in PEM format
* @param keyFile a PKCS#8 private key file in PEM format
* @param keyPassword the password of the {@code keyFile}.
* {@code null} if it's not password-protected.
* @param ciphers the cipher suites to enable, in the order of preference.
* {@code null} to use the default cipher suites.
* @param nextProtocols the application layer protocols to accept, in the order of preference.
* {@code null} to disable TLS NPN/ALPN extension.
* @param sessionCacheSize the size of the cache used for storing SSL session objects.
* {@code 0} to use the default value.
* @param sessionTimeout the timeout for the cached SSL session objects, in seconds.
* {@code 0} to use the default value.
* @return a new server-side {@link SslContext}
*/
@Deprecated
public static SslContext newServerContext(
SslProvider provider,
File certChainFile, File keyFile, String keyPassword,
Iterable<String> ciphers, Iterable<String> nextProtocols,
long sessionCacheSize, long sessionTimeout) throws SSLException {
return newServerContext(provider, certChainFile, keyFile, keyPassword,
ciphers, IdentityCipherSuiteFilter.INSTANCE,
toApplicationProtocolConfig(nextProtocols), sessionCacheSize, sessionTimeout);
}
/**
* Creates a new server-side {@link SslContext}.
*
* @param provider the {@link SslContext} implementation to use.
* {@code null} to use the current default one.
* @param certChainFile an X.509 certificate chain file in PEM format
* @param keyFile a PKCS#8 private key file in PEM format
* @param keyPassword the password of the {@code keyFile}.
* {@code null} if it's not password-protected.
* @param trustManagerFactory the {@link TrustManagerFactory} that provides the {@link javax.net.ssl.TrustManager}s
* that verifies the certificates sent from servers.
* {@code null} to use the default.
* @param ciphers the cipher suites to enable, in the order of preference.
* {@code null} to use the default cipher suites.
* @param nextProtocols the application layer protocols to accept, in the order of preference.
* {@code null} to disable TLS NPN/ALPN extension.
* @param sessionCacheSize the size of the cache used for storing SSL session objects.
* {@code 0} to use the default value.
* @param sessionTimeout the timeout for the cached SSL session objects, in seconds.
* {@code 0} to use the default value.
* @return a new server-side {@link SslContext}
*/
public static SslContext newServerContext(
SslProvider provider,
File certChainFile, File keyFile, String keyPassword, TrustManagerFactory trustManagerFactory,
Iterable<String> ciphers, Iterable<String> nextProtocols,
long sessionCacheSize, long sessionTimeout) throws SSLException {
return newServerContext(
provider, null, trustManagerFactory, certChainFile, keyFile, keyPassword,
null, ciphers, IdentityCipherSuiteFilter.INSTANCE,
toApplicationProtocolConfig(nextProtocols), sessionCacheSize, sessionTimeout);
}
/**
* Creates a new server-side {@link SslContext}.
*
* @param provider the {@link SslContext} implementation to use.
* {@code null} to use the current default one.
* @param certChainFile an X.509 certificate chain file in PEM format
* @param keyFile a PKCS#8 private key file in PEM format
* @param keyPassword the password of the {@code keyFile}.
* {@code null} if it's not password-protected.
* @param ciphers the cipher suites to enable, in the order of preference.
* {@code null} to use the default cipher suites.
* @param cipherFilter a filter to apply over the supplied list of ciphers
* Only required if {@code provider} is {@link SslProvider#JDK}
* @param apn Provides a means to configure parameters related to application protocol negotiation.
* @param sessionCacheSize the size of the cache used for storing SSL session objects.
* {@code 0} to use the default value.
* @param sessionTimeout the timeout for the cached SSL session objects, in seconds.
* {@code 0} to use the default value.
* @return a new server-side {@link SslContext}
*/
public static SslContext newServerContext(SslProvider provider,
File certChainFile, File keyFile, String keyPassword,
Iterable<String> ciphers, CipherSuiteFilter cipherFilter, ApplicationProtocolConfig apn,
long sessionCacheSize, long sessionTimeout) throws SSLException {
return newServerContext(provider, null, null, certChainFile, keyFile, keyPassword, null,
ciphers, cipherFilter, apn, sessionCacheSize, sessionTimeout);
}
/**
* Creates a new server-side {@link SslContext}.
* @param provider the {@link SslContext} implementation to use.
* {@code null} to use the current default one.
* @param trustCertChainFile an X.509 certificate chain file in PEM format.
* This provides the certificate chains used for mutual authentication.
* {@code null} to use the system default
* @param trustManagerFactory the {@link TrustManagerFactory} that provides the {@link TrustManager}s
* that verifies the certificates sent from clients.
* {@code null} to use the default or the results of parsing {@code trustCertChainFile}.
* This parameter is ignored if {@code provider} is not {@link SslProvider#JDK}.
* @param keyCertChainFile an X.509 certificate chain file in PEM format
* @param keyFile a PKCS#8 private key file in PEM format
* @param keyPassword the password of the {@code keyFile}.
* {@code null} if it's not password-protected.
* @param keyManagerFactory the {@link KeyManagerFactory} that provides the {@link KeyManager}s
* that is used to encrypt data being sent to clients.
* {@code null} to use the default or the results of parsing
* {@code keyCertChainFile} and {@code keyFile}.
* This parameter is ignored if {@code provider} is not {@link SslProvider#JDK}.
* @param ciphers the cipher suites to enable, in the order of preference.
* {@code null} to use the default cipher suites.
* @param cipherFilter a filter to apply over the supplied list of ciphers
* Only required if {@code provider} is {@link SslProvider#JDK}
* @param apn Provides a means to configure parameters related to application protocol negotiation.
* @param sessionCacheSize the size of the cache used for storing SSL session objects.
* {@code 0} to use the default value.
* @param sessionTimeout the timeout for the cached SSL session objects, in seconds.
* {@code 0} to use the default value.
* @return a new server-side {@link SslContext}
*/
public static SslContext newServerContext(
SslProvider provider,
File trustCertChainFile, TrustManagerFactory trustManagerFactory,
File keyCertChainFile, File keyFile, String keyPassword, KeyManagerFactory keyManagerFactory,
Iterable<String> ciphers, CipherSuiteFilter cipherFilter, ApplicationProtocolConfig apn,
long sessionCacheSize, long sessionTimeout) throws SSLException {
if (provider == null) {
provider = defaultServerProvider();
}
switch (provider) {
case JDK:
return new JdkSslServerContext(
trustCertChainFile, trustManagerFactory, keyCertChainFile, keyFile, keyPassword,
keyManagerFactory, ciphers, cipherFilter, apn, sessionCacheSize, sessionTimeout);
case OPENSSL:
return new OpenSslServerContext(
keyCertChainFile, keyFile, keyPassword, trustManagerFactory,
ciphers, apn, sessionCacheSize, sessionTimeout);
default:
throw new Error(provider.toString());
}
}
/**
* Creates a new client-side {@link SslContext}.
*
* @return a new client-side {@link SslContext}
*/
public static SslContext newClientContext() throws SSLException {
return newClientContext(null, null, null);
}
/**
* Creates a new client-side {@link SslContext}.
*
* @param certChainFile an X.509 certificate chain file in PEM format
*
* @return a new client-side {@link SslContext}
*/
public static SslContext newClientContext(File certChainFile) throws SSLException {
return newClientContext(null, certChainFile);
}
/**
* Creates a new client-side {@link SslContext}.
*
* @param trustManagerFactory the {@link TrustManagerFactory} that provides the {@link TrustManager}s
* that verifies the certificates sent from servers.
* {@code null} to use the default.
*
* @return a new client-side {@link SslContext}
*/
public static SslContext newClientContext(TrustManagerFactory trustManagerFactory) throws SSLException {
return newClientContext(null, null, trustManagerFactory);
}
/**
* Creates a new client-side {@link SslContext}.
*
* @param certChainFile an X.509 certificate chain file in PEM format.
* {@code null} to use the system default
* @param trustManagerFactory the {@link TrustManagerFactory} that provides the {@link TrustManager}s
* that verifies the certificates sent from servers.
* {@code null} to use the default.
*
* @return a new client-side {@link SslContext}
*/
public static SslContext newClientContext(
File certChainFile, TrustManagerFactory trustManagerFactory) throws SSLException {
return newClientContext(null, certChainFile, trustManagerFactory);
}
/**
* @deprecated Use the factory methods that accept {@link ApplicationProtocolConfig} instead.
*
* Creates a new client-side {@link SslContext}.
*
* @param certChainFile an X.509 certificate chain file in PEM format.
* {@code null} to use the system default
* @param trustManagerFactory the {@link TrustManagerFactory} that provides the {@link TrustManager}s
* that verifies the certificates sent from servers.
* {@code null} to use the default.
* @param ciphers the cipher suites to enable, in the order of preference.
* {@code null} to use the default cipher suites.
* @param nextProtocols the application layer protocols to accept, in the order of preference.
* {@code null} to disable TLS NPN/ALPN extension.
* @param sessionCacheSize the size of the cache used for storing SSL session objects.
* {@code 0} to use the default value.
* @param sessionTimeout the timeout for the cached SSL session objects, in seconds.
* {@code 0} to use the default value.
*
* @return a new client-side {@link SslContext}
*/
@Deprecated
public static SslContext newClientContext(
File certChainFile, TrustManagerFactory trustManagerFactory,
Iterable<String> ciphers, Iterable<String> nextProtocols,
long sessionCacheSize, long sessionTimeout) throws SSLException {
return newClientContext(
null, certChainFile, trustManagerFactory,
ciphers, nextProtocols, sessionCacheSize, sessionTimeout);
}
/**
* Creates a new client-side {@link SslContext}.
*
* @param certChainFile an X.509 certificate chain file in PEM format.
* {@code null} to use the system default
* @param trustManagerFactory the {@link TrustManagerFactory} that provides the {@link TrustManager}s
* that verifies the certificates sent from servers.
* {@code null} to use the default.
* @param ciphers the cipher suites to enable, in the order of preference.
* {@code null} to use the default cipher suites.
* @param cipherFilter a filter to apply over the supplied list of ciphers
* @param apn Provides a means to configure parameters related to application protocol negotiation.
* @param sessionCacheSize the size of the cache used for storing SSL session objects.
* {@code 0} to use the default value.
* @param sessionTimeout the timeout for the cached SSL session objects, in seconds.
* {@code 0} to use the default value.
*
* @return a new client-side {@link SslContext}
*/
public static SslContext newClientContext(
File certChainFile, TrustManagerFactory trustManagerFactory,
Iterable<String> ciphers, CipherSuiteFilter cipherFilter, ApplicationProtocolConfig apn,
long sessionCacheSize, long sessionTimeout) throws SSLException {
return newClientContext(
null, certChainFile, trustManagerFactory,
ciphers, cipherFilter, apn, sessionCacheSize, sessionTimeout);
}
/**
* Creates a new client-side {@link SslContext}.
*
* @param provider the {@link SslContext} implementation to use.
* {@code null} to use the current default one.
*
* @return a new client-side {@link SslContext}
*/
public static SslContext newClientContext(SslProvider provider) throws SSLException {
return newClientContext(provider, null, null);
}
/**
* Creates a new client-side {@link SslContext}.
*
* @param provider the {@link SslContext} implementation to use.
* {@code null} to use the current default one.
* @param certChainFile an X.509 certificate chain file in PEM format.
* {@code null} to use the system default
*
* @return a new client-side {@link SslContext}
*/
public static SslContext newClientContext(SslProvider provider, File certChainFile) throws SSLException {
return newClientContext(provider, certChainFile, null);
}
/**
* Creates a new client-side {@link SslContext}.
*
* @param provider the {@link SslContext} implementation to use.
* {@code null} to use the current default one.
* @param trustManagerFactory the {@link TrustManagerFactory} that provides the {@link TrustManager}s
* that verifies the certificates sent from servers.
* {@code null} to use the default.
*
* @return a new client-side {@link SslContext}
*/
public static SslContext newClientContext(
SslProvider provider, TrustManagerFactory trustManagerFactory) throws SSLException {
return newClientContext(provider, null, trustManagerFactory);
}
/**
* Creates a new client-side {@link SslContext}.
*
* @param provider the {@link SslContext} implementation to use.
* {@code null} to use the current default one.
* @param certChainFile an X.509 certificate chain file in PEM format.
* {@code null} to use the system default
* @param trustManagerFactory the {@link TrustManagerFactory} that provides the {@link TrustManager}s
* that verifies the certificates sent from servers.
* {@code null} to use the default.
*
* @return a new client-side {@link SslContext}
*/
public static SslContext newClientContext(
SslProvider provider, File certChainFile, TrustManagerFactory trustManagerFactory) throws SSLException {
return newClientContext(provider, certChainFile, trustManagerFactory, null, IdentityCipherSuiteFilter.INSTANCE,
null, 0, 0);
}
/**
* @deprecated Use the factory methods that accept {@link ApplicationProtocolConfig}.
*
* Creates a new client-side {@link SslContext}.
*
* @param provider the {@link SslContext} implementation to use.
* {@code null} to use the current default one.
* @param certChainFile an X.509 certificate chain file in PEM format.
* {@code null} to use the system default
* @param trustManagerFactory the {@link TrustManagerFactory} that provides the {@link TrustManager}s
* that verifies the certificates sent from servers.
* {@code null} to use the default.
* @param ciphers the cipher suites to enable, in the order of preference.
* {@code null} to use the default cipher suites.
* @param nextProtocols the application layer protocols to accept, in the order of preference.
* {@code null} to disable TLS NPN/ALPN extension.
* @param sessionCacheSize the size of the cache used for storing SSL session objects.
* {@code 0} to use the default value.
* @param sessionTimeout the timeout for the cached SSL session objects, in seconds.
* {@code 0} to use the default value.
*
* @return a new client-side {@link SslContext}
*/
@Deprecated
public static SslContext newClientContext(
SslProvider provider,
File certChainFile, TrustManagerFactory trustManagerFactory,
Iterable<String> ciphers, Iterable<String> nextProtocols,
long sessionCacheSize, long sessionTimeout) throws SSLException {
return newClientContext(
provider, certChainFile, trustManagerFactory, null, null, null, null,
ciphers, IdentityCipherSuiteFilter.INSTANCE,
toApplicationProtocolConfig(nextProtocols), sessionCacheSize, sessionTimeout);
}
/**
* Creates a new client-side {@link SslContext}.
*
* @param provider the {@link SslContext} implementation to use.
* {@code null} to use the current default one.
* @param certChainFile an X.509 certificate chain file in PEM format.
* {@code null} to use the system default
* @param trustManagerFactory the {@link TrustManagerFactory} that provides the {@link TrustManager}s
* that verifies the certificates sent from servers.
* {@code null} to use the default.
* @param ciphers the cipher suites to enable, in the order of preference.
* {@code null} to use the default cipher suites.
* @param cipherFilter a filter to apply over the supplied list of ciphers
* @param apn Provides a means to configure parameters related to application protocol negotiation.
* @param sessionCacheSize the size of the cache used for storing SSL session objects.
* {@code 0} to use the default value.
* @param sessionTimeout the timeout for the cached SSL session objects, in seconds.
* {@code 0} to use the default value.
*
* @return a new client-side {@link SslContext}
*/
public static SslContext newClientContext(
SslProvider provider,
File certChainFile, TrustManagerFactory trustManagerFactory,
Iterable<String> ciphers, CipherSuiteFilter cipherFilter, ApplicationProtocolConfig apn,
long sessionCacheSize, long sessionTimeout) throws SSLException {
return newClientContext(
provider, certChainFile, trustManagerFactory, null, null, null, null,
ciphers, cipherFilter, apn, sessionCacheSize, sessionTimeout);
}
/**
* Creates a new client-side {@link SslContext}.
* @param provider the {@link SslContext} implementation to use.
* {@code null} to use the current default one.
* @param trustCertChainFile an X.509 certificate chain file in PEM format.
* {@code null} to use the system default
* @param trustManagerFactory the {@link TrustManagerFactory} that provides the {@link TrustManager}s
* that verifies the certificates sent from servers.
* {@code null} to use the default or the results of parsing {@code trustCertChainFile}.
* This parameter is ignored if {@code provider} is not {@link SslProvider#JDK}.
* @param keyCertChainFile an X.509 certificate chain file in PEM format.
* This provides the public key for mutual authentication.
* {@code null} to use the system default
* @param keyFile a PKCS#8 private key file in PEM format.
* This provides the private key for mutual authentication.
* {@code null} for no mutual authentication.
* @param keyPassword the password of the {@code keyFile}.
* {@code null} if it's not password-protected.
* Ignored if {@code keyFile} is {@code null}.
* @param keyManagerFactory the {@link KeyManagerFactory} that provides the {@link KeyManager}s
* that is used to encrypt data being sent to servers.
* {@code null} to use the default or the results of parsing
* {@code keyCertChainFile} and {@code keyFile}.
* This parameter is ignored if {@code provider} is not {@link SslProvider#JDK}.
* @param ciphers the cipher suites to enable, in the order of preference.
* {@code null} to use the default cipher suites.
* @param cipherFilter a filter to apply over the supplied list of ciphers
* @param apn Provides a means to configure parameters related to application protocol negotiation.
* @param sessionCacheSize the size of the cache used for storing SSL session objects.
* {@code 0} to use the default value.
* @param sessionTimeout the timeout for the cached SSL session objects, in seconds.
* {@code 0} to use the default value.
*
* @return a new client-side {@link SslContext}
*/
public static SslContext newClientContext(
SslProvider provider,
File trustCertChainFile, TrustManagerFactory trustManagerFactory,
File keyCertChainFile, File keyFile, String keyPassword, KeyManagerFactory keyManagerFactory,
Iterable<String> ciphers, CipherSuiteFilter cipherFilter, ApplicationProtocolConfig apn,
long sessionCacheSize, long sessionTimeout) throws SSLException {
if (provider == null) {
provider = defaultClientProvider();
}
switch (provider) {
case JDK:
return new JdkSslClientContext(
trustCertChainFile, trustManagerFactory, keyCertChainFile, keyFile, keyPassword,
keyManagerFactory, ciphers, cipherFilter, apn, sessionCacheSize, sessionTimeout);
case OPENSSL:
return new OpenSslClientContext(
trustCertChainFile, trustManagerFactory, ciphers, apn, sessionCacheSize, sessionTimeout);
}
// Should never happen!!
throw new Error();
}
static ApplicationProtocolConfig toApplicationProtocolConfig(Iterable<String> nextProtocols) {
ApplicationProtocolConfig apn;
if (nextProtocols == null) {
apn = ApplicationProtocolConfig.DISABLED;
} else {
apn = new ApplicationProtocolConfig(
Protocol.NPN_AND_ALPN, SelectorFailureBehavior.CHOOSE_MY_LAST_PROTOCOL,
SelectedListenerFailureBehavior.ACCEPT, nextProtocols);
}
return apn;
}
SslContext() { }
/**
* Returns {@code true} if and only if this context is for server-side.
*/
public final boolean isServer() {
return !isClient();
}
/**
* Returns the {@code true} if and only if this context is for client-side.
*/
public abstract boolean isClient();
/**
* Returns the list of enabled cipher suites, in the order of preference.
*/
public abstract List<String> cipherSuites();
/**
* Returns the size of the cache used for storing SSL session objects.
*/
public abstract long sessionCacheSize();
/**
* Returns the timeout for the cached SSL session objects, in seconds.
*/
public abstract long sessionTimeout();
/**
* @deprecated Use {@link #applicationProtocolNegotiator()} instead.
*/
@Deprecated
public final List<String> nextProtocols() {
return applicationProtocolNegotiator().protocols();
}
/**
* Returns the object responsible for negotiating application layer protocols for the TLS NPN/ALPN extensions.
*/
public abstract ApplicationProtocolNegotiator applicationProtocolNegotiator();
/**
* Creates a new {@link SSLEngine}.
*
* @return a new {@link SSLEngine}
*/
public abstract SSLEngine newEngine(ByteBufAllocator alloc);
/**
* Creates a new {@link SSLEngine} using advisory peer information.
*
* @param peerHost the non-authoritative name of the host
* @param peerPort the non-authoritative port
*
* @return a new {@link SSLEngine}
*/
public abstract SSLEngine newEngine(ByteBufAllocator alloc, String peerHost, int peerPort);
/**
* Returns the {@link SSLSessionContext} object held by this context.
*/
public abstract SSLSessionContext sessionContext();
/**
* Creates a new {@link SslHandler}.
*
* @return a new {@link SslHandler}
*/
public final SslHandler newHandler(ByteBufAllocator alloc) {
return newHandler(newEngine(alloc));
}
/**
* Creates a new {@link SslHandler} with advisory peer information.
*
* @param peerHost the non-authoritative name of the host
* @param peerPort the non-authoritative port
*
* @return a new {@link SslHandler}
*/
public final SslHandler newHandler(ByteBufAllocator alloc, String peerHost, int peerPort) {
return newHandler(newEngine(alloc, peerHost, peerPort));
}
private static SslHandler newHandler(SSLEngine engine) {
return new SslHandler(engine);
}
/**
* Generates a key specification for an (encrypted) private key.
*
* @param password characters, if {@code null} or empty an unencrypted key is assumed
* @param key bytes of the DER encoded private key
*
* @return a key specification
*
* @throws IOException if parsing {@code key} fails
* @throws NoSuchAlgorithmException if the algorithm used to encrypt {@code key} is unkown
* @throws NoSuchPaddingException if the padding scheme specified in the decryption algorithm is unkown
* @throws InvalidKeySpecException if the decryption key based on {@code password} cannot be generated
* @throws InvalidKeyException if the decryption key based on {@code password} cannot be used to decrypt
* {@code key}
* @throws InvalidAlgorithmParameterException if decryption algorithm parameters are somehow faulty
*/
protected static PKCS8EncodedKeySpec generateKeySpec(char[] password, byte[] key)
throws IOException, NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeySpecException,
InvalidKeyException, InvalidAlgorithmParameterException {
if (password == null || password.length == 0) {
return new PKCS8EncodedKeySpec(key);
}
EncryptedPrivateKeyInfo encryptedPrivateKeyInfo = new EncryptedPrivateKeyInfo(key);
SecretKeyFactory keyFactory = SecretKeyFactory.getInstance(encryptedPrivateKeyInfo.getAlgName());
PBEKeySpec pbeKeySpec = new PBEKeySpec(password);
SecretKey pbeKey = keyFactory.generateSecret(pbeKeySpec);
Cipher cipher = Cipher.getInstance(encryptedPrivateKeyInfo.getAlgName());
cipher.init(Cipher.DECRYPT_MODE, pbeKey, encryptedPrivateKeyInfo.getAlgParameters());
return encryptedPrivateKeyInfo.getKeySpec(cipher);
}
}