cheogram/src/main/java/eu/siacs/conversations/services/MemorizingTrustManager.java
Stephen Paul Weber e5a83b9697
Allow extended settings and tor in any build flavour
Trust the setting, don't override it by flavour.
2022-04-06 08:51:42 -05:00

705 lines
28 KiB
Java

/* MemorizingTrustManager - a TrustManager which asks the user about invalid
* certificates and memorizes their decision.
*
* Copyright (c) 2010 Georg Lukas <georg@op-co.de>
*
* MemorizingTrustManager.java contains the actual trust manager and interface
* code to create a MemorizingActivity and obtain the results.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package eu.siacs.conversations.services;
import android.app.Application;
import android.app.NotificationManager;
import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.net.Uri;
import android.os.Handler;
import android.preference.PreferenceManager;
import android.util.Base64;
import android.util.Log;
import android.util.SparseArray;
import androidx.appcompat.app.AppCompatActivity;
import com.google.common.base.Charsets;
import com.google.common.base.Joiner;
import com.google.common.io.ByteStreams;
import com.google.common.io.CharStreams;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.security.cert.Certificate;
import java.security.cert.CertificateEncodingException;
import java.security.cert.CertificateException;
import java.security.cert.CertificateParsingException;
import java.security.cert.X509Certificate;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;
import java.util.Locale;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.regex.Pattern;
import javax.net.ssl.TrustManager;
import javax.net.ssl.TrustManagerFactory;
import javax.net.ssl.X509TrustManager;
import eu.siacs.conversations.Config;
import eu.siacs.conversations.R;
import eu.siacs.conversations.crypto.XmppDomainVerifier;
import eu.siacs.conversations.entities.MTMDecision;
import eu.siacs.conversations.http.HttpConnectionManager;
import eu.siacs.conversations.persistance.FileBackend;
import eu.siacs.conversations.ui.MemorizingActivity;
/**
* A X509 trust manager implementation which asks the user about invalid
* certificates and memorizes their decision.
* <p>
* The certificate validity is checked using the system default X509
* TrustManager, creating a query Dialog if the check fails.
* <p>
* <b>WARNING:</b> This only works if a dedicated thread is used for
* opening sockets!
*/
public class MemorizingTrustManager {
private static final SimpleDateFormat DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd", Locale.US);
final static String DECISION_INTENT = "de.duenndns.ssl.DECISION";
public final static String DECISION_INTENT_ID = DECISION_INTENT + ".decisionId";
public final static String DECISION_INTENT_CERT = DECISION_INTENT + ".cert";
public final static String DECISION_TITLE_ID = DECISION_INTENT + ".titleId";
final static String NO_TRUST_ANCHOR = "Trust anchor for certification path not found.";
private static final Pattern PATTERN_IPV4 = Pattern.compile("\\A(25[0-5]|2[0-4]\\d|[0-1]?\\d?\\d)(\\.(25[0-5]|2[0-4]\\d|[0-1]?\\d?\\d)){3}\\z");
private static final Pattern PATTERN_IPV6_HEX4DECCOMPRESSED = Pattern.compile("\\A((?:[0-9A-Fa-f]{1,4}(?::[0-9A-Fa-f]{1,4})*)?) ::((?:[0-9A-Fa-f]{1,4}:)*)(25[0-5]|2[0-4]\\d|[0-1]?\\d?\\d)(\\.(25[0-5]|2[0-4]\\d|[0-1]?\\d?\\d)){3}\\z");
private static final Pattern PATTERN_IPV6_6HEX4DEC = Pattern.compile("\\A((?:[0-9A-Fa-f]{1,4}:){6,6})(25[0-5]|2[0-4]\\d|[0-1]?\\d?\\d)(\\.(25[0-5]|2[0-4]\\d|[0-1]?\\d?\\d)){3}\\z");
private static final Pattern PATTERN_IPV6_HEXCOMPRESSED = Pattern.compile("\\A((?:[0-9A-Fa-f]{1,4}(?::[0-9A-Fa-f]{1,4})*)?)::((?:[0-9A-Fa-f]{1,4}(?::[0-9A-Fa-f]{1,4})*)?)\\z");
private static final Pattern PATTERN_IPV6 = Pattern.compile("\\A(?:[0-9a-fA-F]{1,4}:){7}[0-9a-fA-F]{1,4}\\z");
private final static Logger LOGGER = Logger.getLogger(MemorizingTrustManager.class.getName());
static String KEYSTORE_DIR = "KeyStore";
static String KEYSTORE_FILE = "KeyStore.bks";
private static int decisionId = 0;
private static final SparseArray<MTMDecision> openDecisions = new SparseArray<MTMDecision>();
Context master;
AppCompatActivity foregroundAct;
NotificationManager notificationManager;
Handler masterHandler;
private File keyStoreFile;
private KeyStore appKeyStore;
private final X509TrustManager defaultTrustManager;
private X509TrustManager appTrustManager;
private String poshCacheDir;
/**
* Creates an instance of the MemorizingTrustManager class that falls back to a custom TrustManager.
* <p>
* You need to supply the application context. This has to be one of:
* - Application
* - Activity
* - Service
* <p>
* The context is used for file management, to display the dialog /
* notification and for obtaining translated strings.
*
* @param m Context for the application.
* @param defaultTrustManager Delegate trust management to this TM. If null, the user must accept every certificate.
*/
public MemorizingTrustManager(Context m, X509TrustManager defaultTrustManager) {
init(m);
this.appTrustManager = getTrustManager(appKeyStore);
this.defaultTrustManager = defaultTrustManager;
}
/**
* Creates an instance of the MemorizingTrustManager class using the system X509TrustManager.
* <p>
* You need to supply the application context. This has to be one of:
* - Application
* - Activity
* - Service
* <p>
* The context is used for file management, to display the dialog /
* notification and for obtaining translated strings.
*
* @param m Context for the application.
*/
public MemorizingTrustManager(Context m) {
init(m);
this.appTrustManager = getTrustManager(appKeyStore);
this.defaultTrustManager = getTrustManager(null);
}
private static boolean isIp(final String server) {
return server != null && (
PATTERN_IPV4.matcher(server).matches()
|| PATTERN_IPV6.matcher(server).matches()
|| PATTERN_IPV6_6HEX4DEC.matcher(server).matches()
|| PATTERN_IPV6_HEX4DECCOMPRESSED.matcher(server).matches()
|| PATTERN_IPV6_HEXCOMPRESSED.matcher(server).matches());
}
private static String getBase64Hash(X509Certificate certificate, String digest) throws CertificateEncodingException {
MessageDigest md;
try {
md = MessageDigest.getInstance(digest);
} catch (NoSuchAlgorithmException e) {
return null;
}
md.update(certificate.getEncoded());
return Base64.encodeToString(md.digest(), Base64.NO_WRAP);
}
private static String hexString(byte[] data) {
StringBuffer si = new StringBuffer();
for (int i = 0; i < data.length; i++) {
si.append(String.format("%02x", data[i]));
if (i < data.length - 1)
si.append(":");
}
return si.toString();
}
private static String certHash(final X509Certificate cert, String digest) {
try {
MessageDigest md = MessageDigest.getInstance(digest);
md.update(cert.getEncoded());
return hexString(md.digest());
} catch (CertificateEncodingException | NoSuchAlgorithmException e) {
return e.getMessage();
}
}
public static void interactResult(int decisionId, int choice) {
MTMDecision d;
synchronized (openDecisions) {
d = openDecisions.get(decisionId);
openDecisions.remove(decisionId);
}
if (d == null) {
LOGGER.log(Level.SEVERE, "interactResult: aborting due to stale decision reference!");
return;
}
synchronized (d) {
d.state = choice;
d.notify();
}
}
void init(final Context m) {
master = m;
masterHandler = new Handler(m.getMainLooper());
notificationManager = (NotificationManager) master.getSystemService(Context.NOTIFICATION_SERVICE);
Application app;
if (m instanceof Application) {
app = (Application) m;
} else if (m instanceof Service) {
app = ((Service) m).getApplication();
} else if (m instanceof AppCompatActivity) {
app = ((AppCompatActivity) m).getApplication();
} else
throw new ClassCastException("MemorizingTrustManager context must be either Activity or Service!");
File dir = app.getDir(KEYSTORE_DIR, Context.MODE_PRIVATE);
keyStoreFile = new File(dir + File.separator + KEYSTORE_FILE);
poshCacheDir = app.getCacheDir().getAbsolutePath() + "/posh_cache/";
appKeyStore = loadAppKeyStore();
}
/**
* Get a list of all certificate aliases stored in MTM.
*
* @return an {@link Enumeration} of all certificates
*/
public Enumeration<String> getCertificates() {
try {
return appKeyStore.aliases();
} catch (KeyStoreException e) {
// this should never happen, however...
throw new RuntimeException(e);
}
}
/**
* Removes the given certificate from MTMs key store.
*
* <p>
* <b>WARNING</b>: this does not immediately invalidate the certificate. It is
* well possible that (a) data is transmitted over still existing connections or
* (b) new connections are created using TLS renegotiation, without a new cert
* check.
* </p>
*
* @param alias the certificate's alias as returned by {@link #getCertificates()}.
* @throws KeyStoreException if the certificate could not be deleted.
*/
public void deleteCertificate(String alias) throws KeyStoreException {
appKeyStore.deleteEntry(alias);
keyStoreUpdated();
}
X509TrustManager getTrustManager(KeyStore ks) {
try {
TrustManagerFactory tmf = TrustManagerFactory.getInstance("X509");
tmf.init(ks);
for (TrustManager t : tmf.getTrustManagers()) {
if (t instanceof X509TrustManager) {
return (X509TrustManager) t;
}
}
} catch (Exception e) {
// Here, we are covering up errors. It might be more useful
// however to throw them out of the constructor so the
// embedding app knows something went wrong.
LOGGER.log(Level.SEVERE, "getTrustManager(" + ks + ")", e);
}
return null;
}
KeyStore loadAppKeyStore() {
KeyStore ks;
try {
ks = KeyStore.getInstance(KeyStore.getDefaultType());
} catch (KeyStoreException e) {
LOGGER.log(Level.SEVERE, "getAppKeyStore()", e);
return null;
}
FileInputStream fileInputStream = null;
try {
ks.load(null, null);
fileInputStream = new FileInputStream(keyStoreFile);
ks.load(fileInputStream, "MTM".toCharArray());
} catch (java.io.FileNotFoundException e) {
LOGGER.log(Level.INFO, "getAppKeyStore(" + keyStoreFile + ") - file does not exist");
} catch (Exception e) {
LOGGER.log(Level.SEVERE, "getAppKeyStore(" + keyStoreFile + ")", e);
} finally {
FileBackend.close(fileInputStream);
}
return ks;
}
void storeCert(String alias, Certificate cert) {
try {
appKeyStore.setCertificateEntry(alias, cert);
} catch (KeyStoreException e) {
LOGGER.log(Level.SEVERE, "storeCert(" + cert + ")", e);
return;
}
keyStoreUpdated();
}
void storeCert(X509Certificate cert) {
storeCert(cert.getSubjectDN().toString(), cert);
}
void keyStoreUpdated() {
// reload appTrustManager
appTrustManager = getTrustManager(appKeyStore);
// store KeyStore to file
java.io.FileOutputStream fos = null;
try {
fos = new java.io.FileOutputStream(keyStoreFile);
appKeyStore.store(fos, "MTM".toCharArray());
} catch (Exception e) {
LOGGER.log(Level.SEVERE, "storeCert(" + keyStoreFile + ")", e);
} finally {
if (fos != null) {
try {
fos.close();
} catch (IOException e) {
LOGGER.log(Level.SEVERE, "storeCert(" + keyStoreFile + ")", e);
}
}
}
}
// if the certificate is stored in the app key store, it is considered "known"
private boolean isCertKnown(X509Certificate cert) {
try {
return appKeyStore.getCertificateAlias(cert) != null;
} catch (KeyStoreException e) {
return false;
}
}
private void checkCertTrusted(X509Certificate[] chain, String authType, String domain, boolean isServer, boolean interactive)
throws CertificateException {
LOGGER.log(Level.FINE, "checkCertTrusted(" + chain + ", " + authType + ", " + isServer + ")");
try {
LOGGER.log(Level.FINE, "checkCertTrusted: trying appTrustManager");
if (isServer)
appTrustManager.checkServerTrusted(chain, authType);
else
appTrustManager.checkClientTrusted(chain, authType);
} catch (final CertificateException ae) {
LOGGER.log(Level.FINER, "checkCertTrusted: appTrustManager failed", ae);
if (isCertKnown(chain[0])) {
LOGGER.log(Level.INFO, "checkCertTrusted: accepting cert already stored in keystore");
return;
}
try {
if (defaultTrustManager == null)
throw ae;
LOGGER.log(Level.FINE, "checkCertTrusted: trying defaultTrustManager");
if (isServer)
defaultTrustManager.checkServerTrusted(chain, authType);
else
defaultTrustManager.checkClientTrusted(chain, authType);
} catch (final CertificateException e) {
final SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(master);
final boolean trustSystemCAs = !preferences.getBoolean("dont_trust_system_cas", false);
if (domain != null && isServer && trustSystemCAs && !isIp(domain) && !domain.endsWith(".onion")) {
final String hash = getBase64Hash(chain[0], "SHA-256");
final List<String> fingerprints = getPoshFingerprints(domain);
if (hash != null && fingerprints.size() > 0) {
if (fingerprints.contains(hash)) {
Log.d(Config.LOGTAG, "trusted cert fingerprint of " + domain + " via posh");
return;
} else {
Log.d(Config.LOGTAG, "fingerprint " + hash + " not found in " + fingerprints);
}
if (getPoshCacheFile(domain).delete()) {
Log.d(Config.LOGTAG, "deleted posh file for " + domain + " after not being able to verify");
}
}
}
if (interactive) {
interactCert(chain, authType, e);
} else {
throw e;
}
}
}
}
private List<String> getPoshFingerprints(final String domain) {
final List<String> cached = getPoshFingerprintsFromCache(domain);
if (cached == null) {
return getPoshFingerprintsFromServer(domain);
} else {
return cached;
}
}
private List<String> getPoshFingerprintsFromServer(String domain) {
return getPoshFingerprintsFromServer(domain, "https://" + domain + "/.well-known/posh/xmpp-client.json", -1, true);
}
private List<String> getPoshFingerprintsFromServer(String domain, String url, int maxTtl, boolean followUrl) {
Log.d(Config.LOGTAG, "downloading json for " + domain + " from " + url);
final SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(master);
final boolean useTor = preferences.getBoolean("use_tor", master.getResources().getBoolean(R.bool.use_tor));
try {
final List<String> results = new ArrayList<>();
final InputStream inputStream = HttpConnectionManager.open(url, useTor);
final String body = CharStreams.toString(new InputStreamReader(ByteStreams.limit(inputStream,10_000), Charsets.UTF_8));
final JSONObject jsonObject = new JSONObject(body);
int expires = jsonObject.getInt("expires");
if (expires <= 0) {
return new ArrayList<>();
}
if (maxTtl >= 0) {
expires = Math.min(maxTtl, expires);
}
String redirect;
try {
redirect = jsonObject.getString("url");
} catch (JSONException e) {
redirect = null;
}
if (followUrl && redirect != null && redirect.toLowerCase().startsWith("https")) {
return getPoshFingerprintsFromServer(domain, redirect, expires, false);
}
final JSONArray fingerprints = jsonObject.getJSONArray("fingerprints");
for (int i = 0; i < fingerprints.length(); i++) {
final JSONObject fingerprint = fingerprints.getJSONObject(i);
final String sha256 = fingerprint.getString("sha-256");
results.add(sha256);
}
writeFingerprintsToCache(domain, results, 1000L * expires + System.currentTimeMillis());
return results;
} catch (final Exception e) {
Log.d(Config.LOGTAG, "error fetching posh",e);
return new ArrayList<>();
}
}
private File getPoshCacheFile(String domain) {
return new File(poshCacheDir + domain + ".json");
}
private void writeFingerprintsToCache(String domain, List<String> results, long expires) {
final File file = getPoshCacheFile(domain);
file.getParentFile().mkdirs();
try {
file.createNewFile();
JSONObject jsonObject = new JSONObject();
jsonObject.put("expires", expires);
jsonObject.put("fingerprints", new JSONArray(results));
FileOutputStream outputStream = new FileOutputStream(file);
outputStream.write(jsonObject.toString().getBytes());
outputStream.flush();
outputStream.close();
} catch (Exception e) {
e.printStackTrace();
}
}
private List<String> getPoshFingerprintsFromCache(String domain) {
final File file = getPoshCacheFile(domain);
try {
final InputStream inputStream = new FileInputStream(file);
final String json = CharStreams.toString(new InputStreamReader(inputStream, Charsets.UTF_8));
final JSONObject jsonObject = new JSONObject(json);
long expires = jsonObject.getLong("expires");
long expiresIn = expires - System.currentTimeMillis();
if (expiresIn < 0) {
file.delete();
return null;
} else {
Log.d(Config.LOGTAG, "posh fingerprints expire in " + (expiresIn / 1000) + "s");
}
final List<String> result = new ArrayList<>();
final JSONArray jsonArray = jsonObject.getJSONArray("fingerprints");
for (int i = 0; i < jsonArray.length(); ++i) {
result.add(jsonArray.getString(i));
}
return result;
} catch (final IOException e) {
return null;
} catch (JSONException e) {
file.delete();
return null;
}
}
private X509Certificate[] getAcceptedIssuers() {
return defaultTrustManager == null ? new X509Certificate[0] : defaultTrustManager.getAcceptedIssuers();
}
private int createDecisionId(MTMDecision d) {
int myId;
synchronized (openDecisions) {
myId = decisionId;
openDecisions.put(myId, d);
decisionId += 1;
}
return myId;
}
private void certDetails(final StringBuffer si, final X509Certificate c, final boolean showValidFor) {
si.append("\n");
if (showValidFor) {
try {
si.append("Valid for: ");
si.append(Joiner.on(", ").join(XmppDomainVerifier.parseValidDomains(c).all()));
} catch (final CertificateParsingException e) {
si.append("Unable to parse Certificate");
}
si.append("\n");
} else {
si.append(c.getSubjectDN());
}
si.append("\n");
si.append(DATE_FORMAT.format(c.getNotBefore()));
si.append(" - ");
si.append(DATE_FORMAT.format(c.getNotAfter()));
si.append("\nSHA-256: ");
si.append(certHash(c, "SHA-256"));
si.append("\nSHA-1: ");
si.append(certHash(c, "SHA-1"));
si.append("\nSigned by: ");
si.append(c.getIssuerDN().toString());
si.append("\n");
}
private String certChainMessage(final X509Certificate[] chain, CertificateException cause) {
Throwable e = cause;
LOGGER.log(Level.FINE, "certChainMessage for " + e);
final StringBuffer si = new StringBuffer();
if (e.getCause() != null) {
e = e.getCause();
// HACK: there is no sane way to check if the error is a "trust anchor
// not found", so we use string comparison.
if (NO_TRUST_ANCHOR.equals(e.getMessage())) {
si.append(master.getString(R.string.mtm_trust_anchor));
} else
si.append(e.getLocalizedMessage());
si.append("\n");
}
si.append("\n");
si.append(master.getString(R.string.mtm_connect_anyway));
si.append("\n\n");
si.append(master.getString(R.string.mtm_cert_details));
si.append('\n');
for(int i = 0; i < chain.length; ++i) {
certDetails(si, chain[i], i == 0);
}
return si.toString();
}
/**
* Returns the top-most entry of the activity stack.
*
* @return the Context of the currently bound UI or the master context if none is bound
*/
Context getUI() {
return (foregroundAct != null) ? foregroundAct : master;
}
int interact(final String message, final int titleId) {
/* prepare the MTMDecision blocker object */
MTMDecision choice = new MTMDecision();
final int myId = createDecisionId(choice);
masterHandler.post(new Runnable() {
public void run() {
Intent ni = new Intent(master, MemorizingActivity.class);
ni.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
ni.setData(Uri.parse(MemorizingTrustManager.class.getName() + "/" + myId));
ni.putExtra(DECISION_INTENT_ID, myId);
ni.putExtra(DECISION_INTENT_CERT, message);
ni.putExtra(DECISION_TITLE_ID, titleId);
// we try to directly start the activity and fall back to
// making a notification
try {
getUI().startActivity(ni);
} catch (Exception e) {
LOGGER.log(Level.FINE, "startActivity(MemorizingActivity)", e);
}
}
});
LOGGER.log(Level.FINE, "openDecisions: " + openDecisions + ", waiting on " + myId);
try {
synchronized (choice) {
choice.wait();
}
} catch (InterruptedException e) {
LOGGER.log(Level.FINER, "InterruptedException", e);
}
LOGGER.log(Level.FINE, "finished wait on " + myId + ": " + choice.state);
return choice.state;
}
void interactCert(final X509Certificate[] chain, String authType, CertificateException cause)
throws CertificateException {
switch (interact(certChainMessage(chain, cause), R.string.mtm_accept_cert)) {
case MTMDecision.DECISION_ALWAYS:
storeCert(chain[0]); // only store the server cert, not the whole chain
case MTMDecision.DECISION_ONCE:
break;
default:
throw (cause);
}
}
public X509TrustManager getNonInteractive(String domain) {
return new NonInteractiveMemorizingTrustManager(domain);
}
public X509TrustManager getInteractive(String domain) {
return new InteractiveMemorizingTrustManager(domain);
}
public X509TrustManager getNonInteractive() {
return new NonInteractiveMemorizingTrustManager(null);
}
public X509TrustManager getInteractive() {
return new InteractiveMemorizingTrustManager(null);
}
private class NonInteractiveMemorizingTrustManager implements X509TrustManager {
private final String domain;
public NonInteractiveMemorizingTrustManager(String domain) {
this.domain = domain;
}
@Override
public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException {
MemorizingTrustManager.this.checkCertTrusted(chain, authType, domain, false, false);
}
@Override
public void checkServerTrusted(X509Certificate[] chain, String authType)
throws CertificateException {
MemorizingTrustManager.this.checkCertTrusted(chain, authType, domain, true, false);
}
@Override
public X509Certificate[] getAcceptedIssuers() {
return MemorizingTrustManager.this.getAcceptedIssuers();
}
}
private class InteractiveMemorizingTrustManager implements X509TrustManager {
private final String domain;
public InteractiveMemorizingTrustManager(String domain) {
this.domain = domain;
}
@Override
public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException {
MemorizingTrustManager.this.checkCertTrusted(chain, authType, domain, false, true);
}
@Override
public void checkServerTrusted(X509Certificate[] chain, String authType)
throws CertificateException {
MemorizingTrustManager.this.checkCertTrusted(chain, authType, domain, true, true);
}
@Override
public X509Certificate[] getAcceptedIssuers() {
return MemorizingTrustManager.this.getAcceptedIssuers();
}
}
}