diff options
Diffstat (limited to 'src/main/java/de/thedevstack/conversationsplus/xmpp/jingle/JingleConnection.java')
-rw-r--r-- | src/main/java/de/thedevstack/conversationsplus/xmpp/jingle/JingleConnection.java | 1035 |
1 files changed, 0 insertions, 1035 deletions
diff --git a/src/main/java/de/thedevstack/conversationsplus/xmpp/jingle/JingleConnection.java b/src/main/java/de/thedevstack/conversationsplus/xmpp/jingle/JingleConnection.java deleted file mode 100644 index b57653d4..00000000 --- a/src/main/java/de/thedevstack/conversationsplus/xmpp/jingle/JingleConnection.java +++ /dev/null @@ -1,1035 +0,0 @@ -package de.thedevstack.conversationsplus.xmpp.jingle; - -import android.content.Intent; -import android.net.Uri; -import android.util.Pair; - -import java.io.FileNotFoundException; -import java.io.InputStream; -import java.io.OutputStream; -import java.util.ArrayList; -import java.util.Arrays; -import java.util.Iterator; -import java.util.List; -import java.util.Locale; -import java.util.Map.Entry; -import java.util.concurrent.ConcurrentHashMap; - -import de.thedevstack.android.logcat.Logging; -import de.thedevstack.conversationsplus.ConversationsPlusPreferences; -import de.thedevstack.conversationsplus.utils.MessageUtil; -import de.thedevstack.conversationsplus.utils.StreamUtil; -import de.thedevstack.conversationsplus.Config; -import de.thedevstack.conversationsplus.crypto.axolotl.AxolotlService; -import de.thedevstack.conversationsplus.crypto.axolotl.OnMessageCreatedCallback; -import de.thedevstack.conversationsplus.crypto.axolotl.XmppAxolotlMessage; -import de.thedevstack.conversationsplus.entities.Account; -import de.thedevstack.conversationsplus.entities.Conversation; -import de.thedevstack.conversationsplus.entities.DownloadableFile; -import de.thedevstack.conversationsplus.entities.Message; -import de.thedevstack.conversationsplus.entities.Transferable; -import de.thedevstack.conversationsplus.entities.TransferablePlaceholder; -import de.thedevstack.conversationsplus.persistance.FileBackend; -import de.thedevstack.conversationsplus.services.AbstractConnectionManager; -import de.thedevstack.conversationsplus.services.XmppConnectionService; -import de.thedevstack.conversationsplus.xml.Element; -import de.thedevstack.conversationsplus.xmpp.OnIqPacketReceived; -import de.thedevstack.conversationsplus.xmpp.jid.Jid; -import de.thedevstack.conversationsplus.xmpp.jingle.stanzas.Content; -import de.thedevstack.conversationsplus.xmpp.jingle.stanzas.JinglePacket; -import de.thedevstack.conversationsplus.xmpp.jingle.stanzas.Reason; -import de.thedevstack.conversationsplus.xmpp.stanzas.IqPacket; - -public class JingleConnection implements Transferable { - - private JingleConnectionManager mJingleConnectionManager; - private XmppConnectionService mXmppConnectionService; - - protected static final int JINGLE_STATUS_INITIATED = 0; - protected static final int JINGLE_STATUS_ACCEPTED = 1; - protected static final int JINGLE_STATUS_FINISHED = 4; - protected static final int JINGLE_STATUS_TRANSMITTING = 5; - protected static final int JINGLE_STATUS_FAILED = 99; - - private int ibbBlockSize = 8192; - - private int mJingleStatus = -1; - private int mStatus = Transferable.STATUS_UNKNOWN; - private Message message; - private String sessionId; - private Account account; - private Jid initiator; - private Jid responder; - private List<JingleCandidate> candidates = new ArrayList<>(); - private ConcurrentHashMap<String, JingleSocks5Transport> connections = new ConcurrentHashMap<>(); - - private String transportId; - private Element fileOffer; - private DownloadableFile file = null; - - private String contentName; - private String contentCreator; - - private int mProgress = 0; - - private boolean receivedCandidate = false; - private boolean sentCandidate = false; - - private boolean acceptedAutomatically = false; - - private XmppAxolotlMessage mXmppAxolotlMessage; - - private JingleTransport transport = null; - - private OutputStream mFileOutputStream; - private InputStream mFileInputStream; - - private OnIqPacketReceived responseListener = new OnIqPacketReceived() { - - @Override - public void onIqPacketReceived(Account account, IqPacket packet) { - if (packet.getType() != IqPacket.TYPE.RESULT) { - fail(); - } - } - }; - - final OnFileTransmissionStatusChanged onFileTransmissionSatusChanged = new OnFileTransmissionStatusChanged() { - - @Override - public void onFileTransmitted(DownloadableFile file) { - if (responder.equals(account.getJid())) { - sendSuccess(); - MessageUtil.updateFileParams(message); - mXmppConnectionService.databaseBackend.createMessage(message); - mXmppConnectionService.markMessage(message,Message.STATUS_RECEIVED); - if (acceptedAutomatically) { - message.markUnread(); - JingleConnection.this.mXmppConnectionService.getNotificationService().push(message); - } - } else { - if (message.getEncryption() == Message.ENCRYPTION_PGP || message.getEncryption() == Message.ENCRYPTION_DECRYPTED) { - file.delete(); - } - } - Logging.d(Config.LOGTAG,"successfully transmitted file:" + file.getAbsolutePath()+" ("+file.getSha1Sum()+")"); - if (message.getEncryption() != Message.ENCRYPTION_PGP) { - Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE); - intent.setData(Uri.fromFile(file)); - mXmppConnectionService.sendBroadcast(intent); - } else { - account.getPgpDecryptionService().add(message); - } - } - - @Override - public void onFileTransferAborted() { - JingleConnection.this.sendCancel(); - JingleConnection.this.fail(); - } - }; - - public InputStream getFileInputStream() { - return this.mFileInputStream; - } - - public OutputStream getFileOutputStream() { - return this.mFileOutputStream; - } - - private OnProxyActivated onProxyActivated = new OnProxyActivated() { - - @Override - public void success() { - if (initiator.equals(account.getJid())) { - Logging.d(Config.LOGTAG, "we were initiating. sending file"); - transport.send(file, onFileTransmissionSatusChanged); - } else { - transport.receive(file, onFileTransmissionSatusChanged); - Logging.d(Config.LOGTAG, "we were responding. receiving file"); - } - } - - @Override - public void failed() { - Logging.d(Config.LOGTAG, "proxy activation failed"); - } - }; - - public JingleConnection(JingleConnectionManager mJingleConnectionManager) { - this.mJingleConnectionManager = mJingleConnectionManager; - this.mXmppConnectionService = mJingleConnectionManager - .getXmppConnectionService(); - } - - public String getSessionId() { - return this.sessionId; - } - - public Account getAccount() { - return this.account; - } - - public Jid getCounterPart() { - return this.message.getCounterpart(); - } - - public void deliverPacket(JinglePacket packet) { - boolean returnResult = true; - if (packet.isAction("session-terminate")) { - Reason reason = packet.getReason(); - if (reason != null) { - if (reason.hasChild("cancel")) { - this.fail(); - } else if (reason.hasChild("success")) { - this.receiveSuccess(); - } else { - this.fail(); - } - } else { - this.fail(); - } - } else if (packet.isAction("session-accept")) { - returnResult = receiveAccept(packet); - } else if (packet.isAction("transport-info")) { - returnResult = receiveTransportInfo(packet); - } else if (packet.isAction("transport-replace")) { - if (packet.getJingleContent().hasIbbTransport()) { - returnResult = this.receiveFallbackToIbb(packet); - } else { - returnResult = false; - Logging.d(Config.LOGTAG, "trying to fallback to something unknown" - + packet.toString()); - } - } else if (packet.isAction("transport-accept")) { - returnResult = this.receiveTransportAccept(packet); - } else { - Logging.d(Config.LOGTAG, "packet arrived in connection. action was " - + packet.getAction()); - returnResult = false; - } - IqPacket response; - if (returnResult) { - response = packet.generateResponse(IqPacket.TYPE.RESULT); - - } else { - response = packet.generateResponse(IqPacket.TYPE.ERROR); - } - mXmppConnectionService.sendIqPacket(account,response,null); - } - - public void init(final Message message) { - if (message.getEncryption() == Message.ENCRYPTION_AXOLOTL) { - Conversation conversation = message.getConversation(); - conversation.getAccount().getAxolotlService().prepareKeyTransportMessage(conversation, new OnMessageCreatedCallback() { - @Override - public void run(XmppAxolotlMessage xmppAxolotlMessage) { - if (xmppAxolotlMessage != null) { - init(message, xmppAxolotlMessage); - } else { - fail(); - } - } - }); - } else { - init(message, null); - } - } - - private void init(Message message, XmppAxolotlMessage xmppAxolotlMessage) { - this.mXmppAxolotlMessage = xmppAxolotlMessage; - this.contentCreator = "initiator"; - this.contentName = this.mJingleConnectionManager.nextRandomId(); - this.message = message; - this.message.setTransferable(this); - this.mStatus = Transferable.STATUS_UPLOADING; - this.account = message.getConversation().getAccount(); - this.initiator = this.account.getJid(); - this.responder = this.message.getCounterpart(); - this.sessionId = this.mJingleConnectionManager.nextRandomId(); - if (this.candidates.size() > 0) { - this.sendInitRequest(); - } else { - this.mJingleConnectionManager.getPrimaryCandidate(account, - new OnPrimaryCandidateFound() { - - @Override - public void onPrimaryCandidateFound(boolean success, - final JingleCandidate candidate) { - if (success) { - final JingleSocks5Transport socksConnection = new JingleSocks5Transport( - JingleConnection.this, candidate); - connections.put(candidate.getCid(), - socksConnection); - socksConnection - .connect(new OnTransportConnected() { - - @Override - public void failed() { - Logging.d(Config.LOGTAG, - "connection to our own primary candidete failed"); - sendInitRequest(); - } - - @Override - public void established() { - Logging.d(Config.LOGTAG, - "succesfully connected to our own primary candidate"); - mergeCandidate(candidate); - sendInitRequest(); - } - }); - mergeCandidate(candidate); - } else { - Logging.d(Config.LOGTAG, - "no primary candidate of our own was found"); - sendInitRequest(); - } - } - }); - } - - } - - public void init(Account account, JinglePacket packet) { - this.mJingleStatus = JINGLE_STATUS_INITIATED; - Conversation conversation = this.mXmppConnectionService - .findOrCreateConversation(account, - packet.getFrom().toBareJid(), false); - this.message = new Message(conversation, "", Message.ENCRYPTION_NONE); - this.message.setStatus(Message.STATUS_RECEIVED); - this.mStatus = Transferable.STATUS_OFFER; - this.message.setTransferable(this); - final Jid from = packet.getFrom(); - this.message.setCounterpart(from); - this.account = account; - this.initiator = packet.getFrom(); - this.responder = this.account.getJid(); - this.sessionId = packet.getSessionId(); - Content content = packet.getJingleContent(); - this.contentCreator = content.getAttribute("creator"); - this.contentName = content.getAttribute("name"); - this.transportId = content.getTransportId(); - this.mergeCandidates(JingleCandidate.parse(content.socks5transport().getChildren())); - this.fileOffer = packet.getJingleContent().getFileOffer(); - - mXmppConnectionService.sendIqPacket(account,packet.generateResponse(IqPacket.TYPE.RESULT),null); - - if (fileOffer != null) { - Element encrypted = fileOffer.findChild("encrypted", AxolotlService.PEP_PREFIX); - if (encrypted != null) { - this.mXmppAxolotlMessage = XmppAxolotlMessage.fromElement(encrypted, packet.getFrom().toBareJid()); - } - Element fileSize = fileOffer.findChild("size"); - Element fileNameElement = fileOffer.findChild("name"); - if (fileNameElement != null) { - String[] filename = fileNameElement.getContent() - .toLowerCase(Locale.US).toLowerCase().split("\\."); - String extension = filename[filename.length - 1]; - if (VALID_IMAGE_EXTENSIONS.contains(extension)) { - message.setType(Message.TYPE_IMAGE); - message.setRelativeFilePath(message.getUuid()+"."+extension); - } else if (VALID_CRYPTO_EXTENSIONS.contains( - filename[filename.length - 1])) { - if (filename.length == 3) { - extension = filename[filename.length - 2]; - if (VALID_IMAGE_EXTENSIONS.contains(extension)) { - message.setType(Message.TYPE_IMAGE); - message.setRelativeFilePath(message.getUuid()+"."+extension); - } else { - message.setType(Message.TYPE_FILE); - } - if (filename[filename.length - 1].equals("otr")) { - message.setEncryption(Message.ENCRYPTION_OTR); - } else { - message.setEncryption(Message.ENCRYPTION_PGP); - } - } - } else { - message.setType(Message.TYPE_FILE); - } - if (message.getType() == Message.TYPE_FILE) { - String suffix = ""; - if (!fileNameElement.getContent().isEmpty()) { - String parts[] = fileNameElement.getContent().split("/"); - suffix = parts[parts.length - 1]; - if (message.getEncryption() == Message.ENCRYPTION_OTR && suffix.endsWith(".otr")) { - suffix = suffix.substring(0,suffix.length() - 4); - } else if (message.getEncryption() == Message.ENCRYPTION_PGP && (suffix.endsWith(".pgp") || suffix.endsWith(".gpg"))) { - suffix = suffix.substring(0,suffix.length() - 4); - } - } - message.setRelativeFilePath(message.getUuid()+"_"+suffix); - } - long size = Long.parseLong(fileSize.getContent()); - message.setBody(Long.toString(size)); - conversation.add(message); - mXmppConnectionService.updateConversationUi(); - if (mJingleConnectionManager.hasStoragePermission() - && size <= ConversationsPlusPreferences.autoAcceptFileSize() - && mXmppConnectionService.isDownloadAllowedInConnection()) { - Logging.d(Config.LOGTAG, "auto accepting file from "+ packet.getFrom()); - this.acceptedAutomatically = true; - this.sendAccept(); - } else { - message.markUnread(); - Logging.d(Config.LOGTAG, - "not auto accepting new file offer with size: " - + size - + " allowed size:" - + ConversationsPlusPreferences.autoAcceptFileSize()); - this.mXmppConnectionService.getNotificationService().push(message); - } - this.file = FileBackend.getFile(message, false); - if (mXmppAxolotlMessage != null) { - XmppAxolotlMessage.XmppAxolotlKeyTransportMessage transportMessage = account.getAxolotlService().processReceivingKeyTransportMessage(mXmppAxolotlMessage); - if (transportMessage != null) { - message.setEncryption(Message.ENCRYPTION_AXOLOTL); - this.file.setKey(transportMessage.getKey()); - this.file.setIv(transportMessage.getIv()); - message.setAxolotlFingerprint(transportMessage.getFingerprint()); - } else { - Logging.d(Config.LOGTAG,"could not process KeyTransportMessage"); - } - } else if (message.getEncryption() == Message.ENCRYPTION_OTR) { - byte[] key = conversation.getSymmetricKey(); - if (key == null) { - this.sendCancel(); - this.fail(); - return; - } else { - this.file.setKeyAndIv(key); - } - } - this.mFileOutputStream = AbstractConnectionManager.createOutputStream(this.file,message.getEncryption() == Message.ENCRYPTION_AXOLOTL); - if (message.getEncryption() == Message.ENCRYPTION_OTR && Config.REPORT_WRONG_FILESIZE_IN_OTR_JINGLE) { - this.file.setExpectedSize((size / 16 + 1) * 16); - } else { - this.file.setExpectedSize(size); - } - Logging.d(Config.LOGTAG, "receiving file: expecting size of " + this.file.getExpectedSize()); - } else { - this.sendCancel(); - this.fail(); - } - } else { - this.sendCancel(); - this.fail(); - } - } - - private void sendInitRequest() { - JinglePacket packet = this.bootstrapPacket("session-initiate"); - Content content = new Content(this.contentCreator, this.contentName); - if (message.getType() == Message.TYPE_IMAGE || message.getType() == Message.TYPE_FILE) { - content.setTransportId(this.transportId); - this.file = FileBackend.getFile(message, false); - Pair<InputStream,Integer> pair; - try { - if (message.getEncryption() == Message.ENCRYPTION_OTR) { - Conversation conversation = this.message.getConversation(); - if (!this.mXmppConnectionService.renewSymmetricKey(conversation)) { - Logging.d(Config.LOGTAG, account.getJid().toBareJid() + ": could not set symmetric key"); - cancel(); - } - this.file.setKeyAndIv(conversation.getSymmetricKey()); - pair = AbstractConnectionManager.createInputStream(this.file, false); - this.file.setExpectedSize(pair.second); - content.setFileOffer(this.file, true); - } else if (message.getEncryption() == Message.ENCRYPTION_AXOLOTL) { - this.file.setKey(mXmppAxolotlMessage.getInnerKey()); - this.file.setIv(mXmppAxolotlMessage.getIV()); - pair = AbstractConnectionManager.createInputStream(this.file, true); - this.file.setExpectedSize(pair.second); - content.setFileOffer(this.file, false).addChild(mXmppAxolotlMessage.toElement()); - } else { - pair = AbstractConnectionManager.createInputStream(this.file, false); - this.file.setExpectedSize(pair.second); - content.setFileOffer(this.file, false); - } - } catch (FileNotFoundException e) { - cancel(); - return; - } - this.mFileInputStream = pair.first; - this.transportId = this.mJingleConnectionManager.nextRandomId(); - content.setTransportId(this.transportId); - content.socks5transport().setChildren(getCandidatesAsElements()); - packet.setContent(content); - this.sendJinglePacket(packet,new OnIqPacketReceived() { - - @Override - public void onIqPacketReceived(Account account, IqPacket packet) { - if (packet.getType() == IqPacket.TYPE.RESULT) { - Logging.d(Config.LOGTAG,account.getJid().toBareJid()+": other party received offer"); - mJingleStatus = JINGLE_STATUS_INITIATED; - mXmppConnectionService.markMessage(message, Message.STATUS_OFFERED); - } else { - fail(); - } - } - }); - - } - } - - private List<Element> getCandidatesAsElements() { - List<Element> elements = new ArrayList<>(); - for (JingleCandidate c : this.candidates) { - if (c.isOurs()) { - elements.add(c.toElement()); - } - } - return elements; - } - - private void sendAccept() { - mJingleStatus = JINGLE_STATUS_ACCEPTED; - this.mStatus = Transferable.STATUS_DOWNLOADING; - mXmppConnectionService.updateConversationUi(); - this.mJingleConnectionManager.getPrimaryCandidate(this.account, new OnPrimaryCandidateFound() { - @Override - public void onPrimaryCandidateFound(boolean success, final JingleCandidate candidate) { - final JinglePacket packet = bootstrapPacket("session-accept"); - final Content content = new Content(contentCreator,contentName); - content.setFileOffer(fileOffer); - content.setTransportId(transportId); - if (success && candidate != null && !equalCandidateExists(candidate)) { - final JingleSocks5Transport socksConnection = new JingleSocks5Transport( - JingleConnection.this, - candidate); - connections.put(candidate.getCid(), socksConnection); - socksConnection.connect(new OnTransportConnected() { - - @Override - public void failed() { - Logging.d(Config.LOGTAG,"connection to our own primary candidate failed"); - content.socks5transport().setChildren(getCandidatesAsElements()); - packet.setContent(content); - sendJinglePacket(packet); - connectNextCandidate(); - } - - @Override - public void established() { - Logging.d(Config.LOGTAG, "connected to primary candidate"); - mergeCandidate(candidate); - content.socks5transport().setChildren(getCandidatesAsElements()); - packet.setContent(content); - sendJinglePacket(packet); - connectNextCandidate(); - } - }); - } else { - Logging.d(Config.LOGTAG,"did not find a primary candidate for ourself"); - content.socks5transport().setChildren(getCandidatesAsElements()); - packet.setContent(content); - sendJinglePacket(packet); - connectNextCandidate(); - } - } - }); - } - - private JinglePacket bootstrapPacket(String action) { - JinglePacket packet = new JinglePacket(); - packet.setAction(action); - packet.setFrom(account.getJid()); - packet.setTo(this.message.getCounterpart()); - packet.setSessionId(this.sessionId); - packet.setInitiator(this.initiator); - return packet; - } - - private void sendJinglePacket(JinglePacket packet) { - mXmppConnectionService.sendIqPacket(account,packet,responseListener); - } - - private void sendJinglePacket(JinglePacket packet, OnIqPacketReceived callback) { - mXmppConnectionService.sendIqPacket(account,packet,callback); - } - - private boolean receiveAccept(JinglePacket packet) { - Content content = packet.getJingleContent(); - mergeCandidates(JingleCandidate.parse(content.socks5transport() - .getChildren())); - this.mJingleStatus = JINGLE_STATUS_ACCEPTED; - mXmppConnectionService.markMessage(message, Message.STATUS_UNSEND); - this.connectNextCandidate(); - return true; - } - - private boolean receiveTransportInfo(JinglePacket packet) { - Content content = packet.getJingleContent(); - if (content.hasSocks5Transport()) { - if (content.socks5transport().hasChild("activated")) { - if ((this.transport != null) && (this.transport instanceof JingleSocks5Transport)) { - onProxyActivated.success(); - } else { - String cid = content.socks5transport().findChild("activated").getAttribute("cid"); - Logging.d(Config.LOGTAG, "received proxy activated (" + cid - + ")prior to choosing our own transport"); - JingleSocks5Transport connection = this.connections.get(cid); - if (connection != null) { - connection.setActivated(true); - } else { - Logging.d(Config.LOGTAG, "activated connection not found"); - this.sendCancel(); - this.fail(); - } - } - return true; - } else if (content.socks5transport().hasChild("proxy-error")) { - onProxyActivated.failed(); - return true; - } else if (content.socks5transport().hasChild("candidate-error")) { - Logging.d(Config.LOGTAG, "received candidate error"); - this.receivedCandidate = true; - if ((mJingleStatus == JINGLE_STATUS_ACCEPTED) - && (this.sentCandidate)) { - this.connect(); - } - return true; - } else if (content.socks5transport().hasChild("candidate-used")) { - String cid = content.socks5transport() - .findChild("candidate-used").getAttribute("cid"); - if (cid != null) { - Logging.d(Config.LOGTAG, "candidate used by counterpart:" + cid); - JingleCandidate candidate = getCandidate(cid); - candidate.flagAsUsedByCounterpart(); - this.receivedCandidate = true; - if ((mJingleStatus == JINGLE_STATUS_ACCEPTED) - && (this.sentCandidate)) { - this.connect(); - } else { - Logging.d(Config.LOGTAG, - "ignoring because file is already in transmission or we havent sent our candidate yet"); - } - return true; - } else { - return false; - } - } else { - return false; - } - } else { - return true; - } - } - - private void connect() { - final JingleSocks5Transport connection = chooseConnection(); - this.transport = connection; - if (connection == null) { - Logging.d(Config.LOGTAG, "could not find suitable candidate"); - this.disconnectSocks5Connections(); - if (this.initiator.equals(account.getJid())) { - this.sendFallbackToIbb(); - } - } else { - this.mJingleStatus = JINGLE_STATUS_TRANSMITTING; - if (connection.needsActivation()) { - if (connection.getCandidate().isOurs()) { - Logging.d(Config.LOGTAG, "candidate " - + connection.getCandidate().getCid() - + " was our proxy. going to activate"); - IqPacket activation = new IqPacket(IqPacket.TYPE.SET); - activation.setTo(connection.getCandidate().getJid()); - activation.query("http://jabber.org/protocol/bytestreams") - .setAttribute("sid", this.getSessionId()); - activation.query().addChild("activate") - .setContent(this.getCounterPart().toString()); - mXmppConnectionService.sendIqPacket(account,activation, - new OnIqPacketReceived() { - - @Override - public void onIqPacketReceived(Account account, - IqPacket packet) { - if (packet.getType() != IqPacket.TYPE.RESULT) { - onProxyActivated.failed(); - } else { - onProxyActivated.success(); - sendProxyActivated(connection.getCandidate().getCid()); - } - } - }); - } else { - Logging.d(Config.LOGTAG, - "candidate " - + connection.getCandidate().getCid() - + " was a proxy. waiting for other party to activate"); - } - } else { - if (initiator.equals(account.getJid())) { - Logging.d(Config.LOGTAG, "we were initiating. sending file"); - connection.send(file, onFileTransmissionSatusChanged); - } else { - Logging.d(Config.LOGTAG, "we were responding. receiving file"); - connection.receive(file, onFileTransmissionSatusChanged); - } - } - } - } - - private JingleSocks5Transport chooseConnection() { - JingleSocks5Transport connection = null; - for (Entry<String, JingleSocks5Transport> cursor : connections - .entrySet()) { - JingleSocks5Transport currentConnection = cursor.getValue(); - // Logging.d(Config.LOGTAG,"comparing candidate: "+currentConnection.getCandidate().toString()); - if (currentConnection.isEstablished() - && (currentConnection.getCandidate().isUsedByCounterpart() || (!currentConnection - .getCandidate().isOurs()))) { - // Logging.d(Config.LOGTAG,"is usable"); - if (connection == null) { - connection = currentConnection; - } else { - if (connection.getCandidate().getPriority() < currentConnection - .getCandidate().getPriority()) { - connection = currentConnection; - } else if (connection.getCandidate().getPriority() == currentConnection - .getCandidate().getPriority()) { - // Logging.d(Config.LOGTAG,"found two candidates with same priority"); - if (initiator.equals(account.getJid())) { - if (currentConnection.getCandidate().isOurs()) { - connection = currentConnection; - } - } else { - if (!currentConnection.getCandidate().isOurs()) { - connection = currentConnection; - } - } - } - } - } - } - return connection; - } - - private void sendSuccess() { - JinglePacket packet = bootstrapPacket("session-terminate"); - Reason reason = new Reason(); - reason.addChild("success"); - packet.setReason(reason); - this.sendJinglePacket(packet); - this.disconnectSocks5Connections(); - this.mJingleStatus = JINGLE_STATUS_FINISHED; - this.message.setStatus(Message.STATUS_RECEIVED); - this.message.setTransferable(null); - this.mXmppConnectionService.updateMessage(message); - this.mJingleConnectionManager.finishConnection(this); - } - - private void sendFallbackToIbb() { - Logging.d(Config.LOGTAG, "sending fallback to ibb"); - JinglePacket packet = this.bootstrapPacket("transport-replace"); - Content content = new Content(this.contentCreator, this.contentName); - this.transportId = this.mJingleConnectionManager.nextRandomId(); - content.setTransportId(this.transportId); - content.ibbTransport().setAttribute("block-size", - Integer.toString(this.ibbBlockSize)); - packet.setContent(content); - this.sendJinglePacket(packet); - } - - private boolean receiveFallbackToIbb(JinglePacket packet) { - Logging.d(Config.LOGTAG, "receiving fallack to ibb"); - String receivedBlockSize = packet.getJingleContent().ibbTransport() - .getAttribute("block-size"); - if (receivedBlockSize != null) { - int bs = Integer.parseInt(receivedBlockSize); - if (bs > this.ibbBlockSize) { - this.ibbBlockSize = bs; - } - } - this.transportId = packet.getJingleContent().getTransportId(); - this.transport = new JingleInbandTransport(this, this.transportId, this.ibbBlockSize); - this.transport.receive(file, onFileTransmissionSatusChanged); - JinglePacket answer = bootstrapPacket("transport-accept"); - Content content = new Content("initiator", "a-file-offer"); - content.setTransportId(this.transportId); - content.ibbTransport().setAttribute("block-size",this.ibbBlockSize); - answer.setContent(content); - this.sendJinglePacket(answer); - return true; - } - - private boolean receiveTransportAccept(JinglePacket packet) { - if (packet.getJingleContent().hasIbbTransport()) { - String receivedBlockSize = packet.getJingleContent().ibbTransport() - .getAttribute("block-size"); - if (receivedBlockSize != null) { - int bs = Integer.parseInt(receivedBlockSize); - if (bs > this.ibbBlockSize) { - this.ibbBlockSize = bs; - } - } - this.transport = new JingleInbandTransport(this, this.transportId, this.ibbBlockSize); - this.transport.connect(new OnTransportConnected() { - - @Override - public void failed() { - Logging.d(Config.LOGTAG, "ibb open failed"); - } - - @Override - public void established() { - JingleConnection.this.transport.send(file, - onFileTransmissionSatusChanged); - } - }); - return true; - } else { - return false; - } - } - - private void receiveSuccess() { - this.mJingleStatus = JINGLE_STATUS_FINISHED; - this.mXmppConnectionService.markMessage(this.message,Message.STATUS_SEND_RECEIVED); - this.disconnectSocks5Connections(); - if (this.transport != null && this.transport instanceof JingleInbandTransport) { - this.transport.disconnect(); - } - this.message.setTransferable(null); - this.mJingleConnectionManager.finishConnection(this); - } - - public void cancel() { - this.disconnectSocks5Connections(); - if (this.transport != null && this.transport instanceof JingleInbandTransport) { - this.transport.disconnect(); - } - this.sendCancel(); - this.mJingleConnectionManager.finishConnection(this); - if (this.responder.equals(account.getJid())) { - this.message.setTransferable(new TransferablePlaceholder(Transferable.STATUS_FAILED)); - if (this.file!=null) { - file.delete(); - } - this.mXmppConnectionService.updateConversationUi(); - } else { - this.mXmppConnectionService.markMessage(this.message, - Message.STATUS_SEND_FAILED); - this.message.setTransferable(null); - } - } - - private void fail() { - this.mJingleStatus = JINGLE_STATUS_FAILED; - this.disconnectSocks5Connections(); - if (this.transport != null && this.transport instanceof JingleInbandTransport) { - this.transport.disconnect(); - } - StreamUtil.close(mFileInputStream); - StreamUtil.close(mFileOutputStream); - if (this.message != null) { - if (this.responder.equals(account.getJid())) { - this.message.setTransferable(new TransferablePlaceholder(Transferable.STATUS_FAILED)); - if (this.file!=null) { - file.delete(); - } - this.mXmppConnectionService.updateConversationUi(); - } else { - this.mXmppConnectionService.markMessage(this.message, - Message.STATUS_SEND_FAILED); - this.message.setTransferable(null); - } - } - this.mJingleConnectionManager.finishConnection(this); - } - - private void sendCancel() { - JinglePacket packet = bootstrapPacket("session-terminate"); - Reason reason = new Reason(); - reason.addChild("cancel"); - packet.setReason(reason); - this.sendJinglePacket(packet); - } - - private void connectNextCandidate() { - for (JingleCandidate candidate : this.candidates) { - if ((!connections.containsKey(candidate.getCid()) && (!candidate - .isOurs()))) { - this.connectWithCandidate(candidate); - return; - } - } - this.sendCandidateError(); - } - - private void connectWithCandidate(final JingleCandidate candidate) { - final JingleSocks5Transport socksConnection = new JingleSocks5Transport( - this, candidate); - connections.put(candidate.getCid(), socksConnection); - socksConnection.connect(new OnTransportConnected() { - - @Override - public void failed() { - Logging.d(Config.LOGTAG, - "connection failed with " + candidate.getHost() + ":" - + candidate.getPort()); - connectNextCandidate(); - } - - @Override - public void established() { - Logging.d(Config.LOGTAG, - "established connection with " + candidate.getHost() - + ":" + candidate.getPort()); - sendCandidateUsed(candidate.getCid()); - } - }); - } - - private void disconnectSocks5Connections() { - Iterator<Entry<String, JingleSocks5Transport>> it = this.connections - .entrySet().iterator(); - while (it.hasNext()) { - Entry<String, JingleSocks5Transport> pairs = it.next(); - pairs.getValue().disconnect(); - it.remove(); - } - } - - private void sendProxyActivated(String cid) { - JinglePacket packet = bootstrapPacket("transport-info"); - Content content = new Content(this.contentCreator, this.contentName); - content.setTransportId(this.transportId); - content.socks5transport().addChild("activated") - .setAttribute("cid", cid); - packet.setContent(content); - this.sendJinglePacket(packet); - } - - private void sendCandidateUsed(final String cid) { - JinglePacket packet = bootstrapPacket("transport-info"); - Content content = new Content(this.contentCreator, this.contentName); - content.setTransportId(this.transportId); - content.socks5transport().addChild("candidate-used") - .setAttribute("cid", cid); - packet.setContent(content); - this.sentCandidate = true; - if ((receivedCandidate) && (mJingleStatus == JINGLE_STATUS_ACCEPTED)) { - connect(); - } - this.sendJinglePacket(packet); - } - - private void sendCandidateError() { - JinglePacket packet = bootstrapPacket("transport-info"); - Content content = new Content(this.contentCreator, this.contentName); - content.setTransportId(this.transportId); - content.socks5transport().addChild("candidate-error"); - packet.setContent(content); - this.sentCandidate = true; - if ((receivedCandidate) && (mJingleStatus == JINGLE_STATUS_ACCEPTED)) { - connect(); - } - this.sendJinglePacket(packet); - } - - public Jid getInitiator() { - return this.initiator; - } - - public Jid getResponder() { - return this.responder; - } - - public int getJingleStatus() { - return this.mJingleStatus; - } - - private boolean equalCandidateExists(JingleCandidate candidate) { - for (JingleCandidate c : this.candidates) { - if (c.equalValues(candidate)) { - return true; - } - } - return false; - } - - private void mergeCandidate(JingleCandidate candidate) { - for (JingleCandidate c : this.candidates) { - if (c.equals(candidate)) { - return; - } - } - this.candidates.add(candidate); - } - - private void mergeCandidates(List<JingleCandidate> candidates) { - for (JingleCandidate c : candidates) { - mergeCandidate(c); - } - } - - private JingleCandidate getCandidate(String cid) { - for (JingleCandidate c : this.candidates) { - if (c.getCid().equals(cid)) { - return c; - } - } - return null; - } - - public void updateProgress(int i) { - this.mProgress = i; - mXmppConnectionService.updateConversationUi(); - } - - interface OnProxyActivated { - public void success(); - - public void failed(); - } - - public boolean hasTransportId(String sid) { - return sid.equals(this.transportId); - } - - public JingleTransport getTransport() { - return this.transport; - } - - public boolean start() { - if (account.getStatus() == Account.State.ONLINE) { - if (mJingleStatus == JINGLE_STATUS_INITIATED) { - new Thread(new Runnable() { - - @Override - public void run() { - sendAccept(); - } - }).start(); - } - return true; - } else { - return false; - } - } - - @Override - public int getStatus() { - return this.mStatus; - } - - @Override - public long getFileSize() { - if (this.file != null) { - return this.file.getExpectedSize(); - } else { - return 0; - } - } - - @Override - public int getProgress() { - return this.mProgress; - } - - public AbstractConnectionManager getConnectionManager() { - return this.mJingleConnectionManager; - } -} |