// 自定义一个信任所有证书的TrustManager，添加SSLSocketFactory的时候要用到
val trustAllCert: X509TrustManager = object : X509TrustManager {
@Throws(CertificateException::class)
override fun checkClientTrusted(
chain: Array<X509Certificate>,
authType: String
) {
}
@Throws(CertificateException::class)
override fun checkServerTrusted(
chain: Array<X509Certificate>,
authType: String
) {
}
override fun getAcceptedIssuers(): Array<X509Certificate> {
return arrayOf()
}
}
val sslSocketFactory: SSLSocketFactory = SSLSocketFactoryCompat(trustAllCert)
var trustManagerFactory: TrustManagerFactory? = null
trustManagerFactory = TrustManagerFactory.getInstance(
TrustManagerFactory.getDefaultAlgorithm()
)
trustManagerFactory.init(null as KeyStore?)
val trustManagers: Array<TrustManager> = trustManagerFactory.getTrustManagers()
check(!(trustManagers.size != 1 || trustManagers[0] !is X509TrustManager)) {
("Unexpected default trust managers:"
+ Arrays.toString(trustManagers))
}
val trustManager = trustManagers[0] as X509TrustManagerj
sslSocketFactory单参数方法过时
报错：clientBuilder.sslSocketFactory(SSLSocketFactory) not supported on JDK 9+
原因是单参数的 构造函数 被弃用。
OkHttpClient.Builder()
.sslSocketFactory(sslSocketFactory, trustManager)
/**
* SSLSocketFactoryCompat .java
**/
import android.os.Build;
import java.io.IOException;
import java.net.InetAddress;
import java.net.Socket;
import java.net.UnknownHostException;
import java.security.GeneralSecurityException;
import java.util.Arrays;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSocket;
import javax.net.ssl.SSLSocketFactory;
import javax.net.ssl.X509TrustManager;
public class SSLSocketFactoryCompat extends SSLSocketFactory {
private SSLSocketFactory defaultFactory;
// Android 5.0+ (API level21) provides reasonable default settings
// but it still allows SSLv3
// https://developer.android.com/about/versions/android-5.0-changes.html#ssl
static String protocols[] = null, cipherSuites[] = null;
static {
try {
SSLSocket socket = (SSLSocket) SSLSocketFactory.getDefault().createSocket();
if (socket != null) {
/* set reasonable protocol versions */
// - enable all supported protocols (enables TLSv1.1 and TLSv1.2 on Android <5.0)
// - remove all SSL versions (especially SSLv3) because they're insecure now
List<String> protocols = new LinkedList<>();
for (String protocol : socket.getSupportedProtocols())
if (!protocol.toUpperCase().contains("SSL"))
protocols.add(protocol);
SSLSocketFactoryCompat.protocols = protocols.toArray(new String[protocols.size()]);
/* set up reasonable cipher suites */
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
// choose known secure cipher suites
List<String> allowedCiphers = Arrays.asList(
// TLS 1.2
"TLS_RSA_WITH_AES_256_GCM_SHA384",
"TLS_RSA_WITH_AES_128_GCM_SHA256",
"TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256",
"TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256",
"TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384",
"TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256",
"TLS_ECHDE_RSA_WITH_AES_128_GCM_SHA256",
// maximum interoperability
"TLS_RSA_WITH_3DES_EDE_CBC_SHA",
"TLS_RSA_WITH_AES_128_CBC_SHA",
// additionally
"TLS_RSA_WITH_AES_256_CBC_SHA",
"TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA",
"TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA",
"TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA",
"TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA");
List<String> availableCiphers = Arrays.asList(socket.getSupportedCipherSuites());
// take all allowed ciphers that are available and put them into preferredCiphers
HashSet<String> preferredCiphers = new HashSet<>(allowedCiphers);
preferredCiphers.retainAll(availableCiphers);
/* For maximum security, preferredCiphers should *replace* enabled ciphers (thus disabling
* ciphers which are enabled by default, but have become unsecure), but I guess for
* the security level of DAVdroid and maximum compatibility, disabling of insecure
* ciphers should be a server-side task */
// add preferred ciphers to enabled ciphers
HashSet<String> enabledCiphers = preferredCiphers;
enabledCiphers.addAll(new HashSet<>(Arrays.asList(socket.getEnabledCipherSuites())));
SSLSocketFactoryCompat.cipherSuites = enabledCiphers.toArray(new String[enabledCiphers.size()]);
}
}
} catch (IOException e) {
throw new RuntimeException(e);
}
}
public SSLSocketFactoryCompat(X509TrustManager tm) {
try {
SSLContext sslContext = SSLContext.getInstance("TLS");
sslContext.init(null, (tm != null) ? new X509TrustManager[]{tm} : null, null);
defaultFactory = sslContext.getSocketFactory();
} catch (GeneralSecurityException e) {
throw new AssertionError(); // The system has no TLS. Just give up.
}
}
private void upgradeTLS(SSLSocket ssl) {
// Android 5.0+ (API level21) provides reasonable default settings
// but it still allows SSLv3
// https://developer.android.com/about/versions/android-5.0-changes.html#ssl
if (protocols != null) {
ssl.setEnabledProtocols(protocols);
}
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP && cipherSuites != null) {
ssl.setEnabledCipherSuites(cipherSuites);
}
}
@Override
public String[] getDefaultCipherSuites() {
return cipherSuites;
}
@Override
public String[] getSupportedCipherSuites() {
return cipherSuites;
}
@Override
public Socket createSocket(Socket s, String host, int port, boolean autoClose) throws IOException {
Socket ssl = defaultFactory.createSocket(s, host, port, autoClose);
if (ssl instanceof SSLSocket)
upgradeTLS((SSLSocket) ssl);
return ssl;
}
@Override
public Socket createSocket(String host, int port) throws IOException, UnknownHostException {
Socket ssl = defaultFactory.createSocket(host, port);
if (ssl instanceof SSLSocket)
upgradeTLS((SSLSocket) ssl);
return ssl;
}
@Override
public Socket createSocket(String host, int port, InetAddress localHost, int localPort) throws IOException, UnknownHostException {
Socket ssl = defaultFactory.createSocket(host, port, localHost, localPort);
if (ssl instanceof SSLSocket)
upgradeTLS((SSLSocket) ssl);
return ssl;
}
@Override
public Socket createSocket(InetAddress host, int port) throws IOException {
Socket ssl = defaultFactory.createSocket(host, port);
if (ssl instanceof SSLSocket)
upgradeTLS((SSLSocket) ssl);
return ssl;
}
@Override
public Socket createSocket(InetAddress address, int port, InetAddress localAddress, int localPort) throws IOException {
Socket ssl = defaultFactory.createSocket(address, port, localAddress, localPort);
if (ssl instanceof SSLSocket)
upgradeTLS((SSLSocket) ssl);
return ssl;
}
}
