diff options
Diffstat (limited to 'src/main/java/eu/siacs/conversations/xmpp/jingle/JingleInbandTransport.java')
-rw-r--r-- | src/main/java/eu/siacs/conversations/xmpp/jingle/JingleInbandTransport.java | 239 |
1 files changed, 0 insertions, 239 deletions
diff --git a/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleInbandTransport.java b/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleInbandTransport.java deleted file mode 100644 index 0b0cb4083..000000000 --- a/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleInbandTransport.java +++ /dev/null @@ -1,239 +0,0 @@ -package eu.siacs.conversations.xmpp.jingle; - -import android.util.Base64; -import android.util.Log; - -import java.io.IOException; -import java.io.InputStream; -import java.io.OutputStream; -import java.security.MessageDigest; -import java.security.NoSuchAlgorithmException; -import java.util.Arrays; - -import eu.siacs.conversations.Config; -import eu.siacs.conversations.entities.Account; -import eu.siacs.conversations.entities.DownloadableFile; -import eu.siacs.conversations.persistance.FileBackend; -import eu.siacs.conversations.utils.CryptoHelper; -import eu.siacs.conversations.xml.Element; -import eu.siacs.conversations.xmpp.OnIqPacketReceived; -import eu.siacs.conversations.xmpp.jid.Jid; -import eu.siacs.conversations.xmpp.stanzas.IqPacket; - -public class JingleInbandTransport extends JingleTransport { - - private Account account; - private Jid counterpart; - private int blockSize; - private int seq = 0; - private String sessionId; - - private boolean established = false; - - private boolean connected = true; - - private DownloadableFile file; - private JingleConnection connection; - - private InputStream fileInputStream = null; - private OutputStream fileOutputStream = null; - private long remainingSize = 0; - private long fileSize = 0; - private MessageDigest digest; - - private OnFileTransmissionStatusChanged onFileTransmissionStatusChanged; - - private OnIqPacketReceived onAckReceived = new OnIqPacketReceived() { - @Override - public void onIqPacketReceived(Account account, IqPacket packet) { - if (connected && packet.getType() == IqPacket.TYPE.RESULT) { - sendNextBlock(); - } - } - }; - - public JingleInbandTransport(final JingleConnection connection, final String sid, final int blocksize) { - this.connection = connection; - this.account = connection.getAccount(); - this.counterpart = connection.getCounterPart(); - this.blockSize = blocksize; - this.sessionId = sid; - } - - public void connect(final OnTransportConnected callback) { - IqPacket iq = new IqPacket(IqPacket.TYPE.SET); - iq.setTo(this.counterpart); - Element open = iq.addChild("open", "http://jabber.org/protocol/ibb"); - open.setAttribute("sid", this.sessionId); - open.setAttribute("stanza", "iq"); - open.setAttribute("block-size", Integer.toString(this.blockSize)); - this.connected = true; - this.account.getXmppConnection().sendIqPacket(iq, - new OnIqPacketReceived() { - - @Override - public void onIqPacketReceived(Account account, - IqPacket packet) { - if (packet.getType() != IqPacket.TYPE.RESULT) { - callback.failed(); - } else { - callback.established(); - } - } - }); - } - - @Override - public void receive(DownloadableFile file, - OnFileTransmissionStatusChanged callback) { - this.onFileTransmissionStatusChanged = callback; - this.file = file; - try { - this.digest = MessageDigest.getInstance("SHA-1"); - digest.reset(); - file.getParentFile().mkdirs(); - file.createNewFile(); - this.fileOutputStream = connection.getFileOutputStream(); - if (this.fileOutputStream == null) { - Log.d(Config.LOGTAG,account.getJid().toBareJid()+": could not create output stream"); - callback.onFileTransferAborted(); - return; - } - this.remainingSize = this.fileSize = file.getExpectedSize(); - } catch (final NoSuchAlgorithmException | IOException e) { - Log.d(Config.LOGTAG,account.getJid().toBareJid()+" "+e.getMessage()); - callback.onFileTransferAborted(); - } - } - - @Override - public void send(DownloadableFile file, - OnFileTransmissionStatusChanged callback) { - this.onFileTransmissionStatusChanged = callback; - this.file = file; - try { - this.remainingSize = this.file.getExpectedSize(); - this.fileSize = this.remainingSize; - this.digest = MessageDigest.getInstance("SHA-1"); - this.digest.reset(); - fileInputStream = connection.getFileInputStream(); - if (fileInputStream == null) { - Log.d(Config.LOGTAG,account.getJid().toBareJid()+": could no create input stream"); - callback.onFileTransferAborted(); - return; - } - if (this.connected) { - this.sendNextBlock(); - } - } catch (NoSuchAlgorithmException e) { - callback.onFileTransferAborted(); - Log.d(Config.LOGTAG,account.getJid().toBareJid()+": "+e.getMessage()); - } - } - - @Override - public void disconnect() { - this.connected = false; - if (this.fileOutputStream != null) { - try { - this.fileOutputStream.close(); - } catch (IOException e) { - - } - } - if (this.fileInputStream != null) { - try { - this.fileInputStream.close(); - } catch (IOException e) { - - } - } - } - - private void sendNextBlock() { - byte[] buffer = new byte[this.blockSize]; - try { - int count = fileInputStream.read(buffer); - if (count == -1) { - file.setSha1Sum(CryptoHelper.bytesToHex(digest.digest())); - this.onFileTransmissionStatusChanged.onFileTransmitted(file); - fileInputStream.close(); - return; - } else if (count != buffer.length) { - int rem = fileInputStream.read(buffer,count,buffer.length-count); - if (rem > 0) { - count += rem; - } - } - this.remainingSize -= count; - this.digest.update(buffer,0,count); - String base64 = Base64.encodeToString(buffer,0,count, Base64.NO_WRAP); - IqPacket iq = new IqPacket(IqPacket.TYPE.SET); - iq.setTo(this.counterpart); - Element data = iq.addChild("data", "http://jabber.org/protocol/ibb"); - data.setAttribute("seq", Integer.toString(this.seq)); - data.setAttribute("block-size", Integer.toString(this.blockSize)); - data.setAttribute("sid", this.sessionId); - data.setContent(base64); - this.account.getXmppConnection().sendIqPacket(iq, this.onAckReceived); - this.account.getXmppConnection().r(); //don't fill up stanza queue too much - this.seq++; - if (this.remainingSize > 0) { - connection.updateProgress((int) ((((double) (this.fileSize - this.remainingSize)) / this.fileSize) * 100)); - } else { - file.setSha1Sum(CryptoHelper.bytesToHex(digest.digest())); - this.onFileTransmissionStatusChanged.onFileTransmitted(file); - fileInputStream.close(); - } - } catch (IOException e) { - Log.d(Config.LOGTAG,account.getJid().toBareJid()+": "+e.getMessage()); - FileBackend.close(fileInputStream); - this.onFileTransmissionStatusChanged.onFileTransferAborted(); - } - } - - private void receiveNextBlock(String data) { - try { - byte[] buffer = Base64.decode(data, Base64.NO_WRAP); - if (this.remainingSize < buffer.length) { - buffer = Arrays.copyOfRange(buffer, 0, (int) this.remainingSize); - } - this.remainingSize -= buffer.length; - this.fileOutputStream.write(buffer); - this.digest.update(buffer); - if (this.remainingSize <= 0) { - file.setSha1Sum(CryptoHelper.bytesToHex(digest.digest())); - fileOutputStream.flush(); - fileOutputStream.close(); - this.onFileTransmissionStatusChanged.onFileTransmitted(file); - } else { - connection.updateProgress((int) ((((double) (this.fileSize - this.remainingSize)) / this.fileSize) * 100)); - } - } catch (IOException e) { - Log.d(Config.LOGTAG,account.getJid().toBareJid()+": "+e.getMessage()); - FileBackend.close(fileOutputStream); - this.onFileTransmissionStatusChanged.onFileTransferAborted(); - } - } - - public void deliverPayload(IqPacket packet, Element payload) { - if (payload.getName().equals("open")) { - if (!established) { - established = true; - connected = true; - this.receiveNextBlock(""); - this.account.getXmppConnection().sendIqPacket( - packet.generateResponse(IqPacket.TYPE.RESULT), null); - } else { - this.account.getXmppConnection().sendIqPacket( - packet.generateResponse(IqPacket.TYPE.ERROR), null); - } - } else if (connected && payload.getName().equals("data")) { - this.receiveNextBlock(payload.getContent()); - this.account.getXmppConnection().sendIqPacket( - packet.generateResponse(IqPacket.TYPE.RESULT), null); - } else { - // TODO some sort of exception - } - } -} |