private void switchOverToZLib(Tag currentTag)
throws XmlPullParserException, IOException, NoSuchAlgorithmException {
tagReader.readTag(); // read tag close
tagWriter.setOutputStream(new ZLibOutputStream(tagWriter.getOutputStream()));
tagReader.setInputStream(new ZLibInputStream(tagReader.getInputStream()));
sendStartStream();
Log.d(LOGTAG, account.getJid() + ": compression enabled");
processStream(tagReader.readTag());
}
private void switchOverToTls(Tag currentTag) throws XmlPullParserException, IOException {
Tag nextTag = tagReader.readTag(); // should be proceed end tag
try {
SSLContext sc = SSLContext.getInstance("TLS");
TrustManagerFactory tmf =
TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
// Initialise the TMF as you normally would, for example:
// tmf.in
try {
tmf.init((KeyStore) null);
} catch (KeyStoreException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
TrustManager[] trustManagers = tmf.getTrustManagers();
final X509TrustManager origTrustmanager = (X509TrustManager) trustManagers[0];
TrustManager[] wrappedTrustManagers =
new TrustManager[] {
new X509TrustManager() {
@Override
public void checkClientTrusted(X509Certificate[] chain, String authType)
throws CertificateException {
origTrustmanager.checkClientTrusted(chain, authType);
}
@Override
public void checkServerTrusted(X509Certificate[] chain, String authType)
throws CertificateException {
try {
origTrustmanager.checkServerTrusted(chain, authType);
} catch (CertificateException e) {
if (e.getCause() instanceof CertPathValidatorException) {
String sha;
try {
MessageDigest sha1 = MessageDigest.getInstance("SHA1");
sha1.update(chain[0].getEncoded());
sha = CryptoHelper.bytesToHex(sha1.digest());
if (!sha.equals(account.getSSLFingerprint())) {
changeStatus(Account.STATUS_TLS_ERROR);
if (tlsListener != null) {
tlsListener.onTLSExceptionReceived(sha, account);
}
throw new CertificateException();
}
} catch (NoSuchAlgorithmException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
} else {
throw new CertificateException();
}
}
}
@Override
public X509Certificate[] getAcceptedIssuers() {
return origTrustmanager.getAcceptedIssuers();
}
}
};
sc.init(null, wrappedTrustManagers, null);
SSLSocketFactory factory = sc.getSocketFactory();
SSLSocket sslSocket =
(SSLSocket)
factory.createSocket(
socket, socket.getInetAddress().getHostAddress(), socket.getPort(), true);
tagReader.setInputStream(sslSocket.getInputStream());
tagWriter.setOutputStream(sslSocket.getOutputStream());
sendStartStream();
Log.d(LOGTAG, account.getJid() + ": TLS connection established");
processStream(tagReader.readTag());
sslSocket.close();
} catch (NoSuchAlgorithmException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
} catch (KeyManagementException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
protected void connect() {
Log.d(LOGTAG, account.getJid() + ": connecting");
lastConnect = SystemClock.elapsedRealtime();
try {
shouldAuthenticate = shouldBind = !account.isOptionSet(Account.OPTION_REGISTER);
tagReader = new XmlReader(wakeLock);
tagWriter = new TagWriter();
packetCallbacks.clear();
this.changeStatus(Account.STATUS_CONNECTING);
Bundle namePort = DNSHelper.getSRVRecord(account.getServer());
if ("timeout".equals(namePort.getString("error"))) {
Log.d(LOGTAG, account.getJid() + ": dns timeout");
this.changeStatus(Account.STATUS_OFFLINE);
return;
}
String srvRecordServer = namePort.getString("name");
String srvIpServer = namePort.getString("ipv4");
int srvRecordPort = namePort.getInt("port");
if (srvRecordServer != null) {
if (srvIpServer != null) {
Log.d(
LOGTAG,
account.getJid()
+ ": using values from dns "
+ srvRecordServer
+ "["
+ srvIpServer
+ "]:"
+ srvRecordPort);
socket = new Socket(srvIpServer, srvRecordPort);
} else {
Log.d(
LOGTAG,
account.getJid()
+ ": using values from dns "
+ srvRecordServer
+ ":"
+ srvRecordPort);
socket = new Socket(srvRecordServer, srvRecordPort);
}
} else {
socket = new Socket(account.getServer(), 5222);
}
OutputStream out = socket.getOutputStream();
tagWriter.setOutputStream(out);
InputStream in = socket.getInputStream();
tagReader.setInputStream(in);
tagWriter.beginDocument();
sendStartStream();
Tag nextTag;
while ((nextTag = tagReader.readTag()) != null) {
if (nextTag.isStart("stream")) {
processStream(nextTag);
break;
} else {
Log.d(LOGTAG, "found unexpected tag: " + nextTag.getName());
return;
}
}
if (socket.isConnected()) {
socket.close();
}
} catch (UnknownHostException e) {
this.changeStatus(Account.STATUS_SERVER_NOT_FOUND);
if (wakeLock.isHeld()) {
wakeLock.release();
}
return;
} catch (IOException e) {
if (account.getStatus() != Account.STATUS_TLS_ERROR) {
this.changeStatus(Account.STATUS_OFFLINE);
}
if (wakeLock.isHeld()) {
wakeLock.release();
}
return;
} catch (NoSuchAlgorithmException e) {
this.changeStatus(Account.STATUS_OFFLINE);
Log.d(LOGTAG, "compression exception " + e.getMessage());
if (wakeLock.isHeld()) {
wakeLock.release();
}
return;
} catch (XmlPullParserException e) {
this.changeStatus(Account.STATUS_OFFLINE);
Log.d(LOGTAG, "xml exception " + e.getMessage());
if (wakeLock.isHeld()) {
wakeLock.release();
}
return;
}
}