diff options
Diffstat (limited to 'conversations/src/main/java/eu/siacs/conversations/xmpp/jingle')
13 files changed, 1873 insertions, 0 deletions
diff --git a/conversations/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleCandidate.java b/conversations/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleCandidate.java new file mode 100644 index 00000000..3e7c7b68 --- /dev/null +++ b/conversations/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleCandidate.java @@ -0,0 +1,143 @@ +package eu.siacs.conversations.xmpp.jingle; + +import java.util.ArrayList; +import java.util.List; + +import eu.siacs.conversations.xml.Element; + +public class JingleCandidate { + + public static int TYPE_UNKNOWN; + public static int TYPE_DIRECT = 0; + public static int TYPE_PROXY = 1; + + private boolean ours; + private boolean usedByCounterpart = false; + private String cid; + private String host; + private int port; + private int type; + private String jid; + private int priority; + + public JingleCandidate(String cid, boolean ours) { + this.ours = ours; + this.cid = cid; + } + + public String getCid() { + return cid; + } + + public void setHost(String host) { + this.host = host; + } + + public String getHost() { + return this.host; + } + + public void setJid(String jid) { + this.jid = jid; + } + + public String getJid() { + return this.jid; + } + + public void setPort(int port) { + this.port = port; + } + + public int getPort() { + return this.port; + } + + public void setType(int type) { + this.type = type; + } + + public void setType(String type) { + if ("proxy".equals(type)) { + this.type = TYPE_PROXY; + } else if ("direct".equals(type)) { + this.type = TYPE_DIRECT; + } else { + this.type = TYPE_UNKNOWN; + } + } + + public void setPriority(int i) { + this.priority = i; + } + + public int getPriority() { + return this.priority; + } + + public boolean equals(JingleCandidate other) { + return this.getCid().equals(other.getCid()); + } + + public boolean equalValues(JingleCandidate other) { + return other.getHost().equals(this.getHost()) + && (other.getPort() == this.getPort()); + } + + public boolean isOurs() { + return ours; + } + + public int getType() { + return this.type; + } + + public static List<JingleCandidate> parse(List<Element> canditates) { + List<JingleCandidate> parsedCandidates = new ArrayList<JingleCandidate>(); + for (Element c : canditates) { + parsedCandidates.add(JingleCandidate.parse(c)); + } + return parsedCandidates; + } + + public static JingleCandidate parse(Element candidate) { + JingleCandidate parsedCandidate = new JingleCandidate( + candidate.getAttribute("cid"), false); + parsedCandidate.setHost(candidate.getAttribute("host")); + parsedCandidate.setJid(candidate.getAttribute("jid")); + parsedCandidate.setType(candidate.getAttribute("type")); + parsedCandidate.setPriority(Integer.parseInt(candidate + .getAttribute("priority"))); + parsedCandidate + .setPort(Integer.parseInt(candidate.getAttribute("port"))); + return parsedCandidate; + } + + public Element toElement() { + Element element = new Element("candidate"); + element.setAttribute("cid", this.getCid()); + element.setAttribute("host", this.getHost()); + element.setAttribute("port", Integer.toString(this.getPort())); + element.setAttribute("jid", this.getJid()); + element.setAttribute("priority", Integer.toString(this.getPriority())); + if (this.getType() == TYPE_DIRECT) { + element.setAttribute("type", "direct"); + } else if (this.getType() == TYPE_PROXY) { + element.setAttribute("type", "proxy"); + } + return element; + } + + public void flagAsUsedByCounterpart() { + this.usedByCounterpart = true; + } + + public boolean isUsedByCounterpart() { + return this.usedByCounterpart; + } + + public String toString() { + return this.getHost() + ":" + this.getPort() + " (prio=" + + this.getPriority() + ")"; + } +} diff --git a/conversations/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleConnection.java b/conversations/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleConnection.java new file mode 100644 index 00000000..a0b2feb2 --- /dev/null +++ b/conversations/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleConnection.java @@ -0,0 +1,910 @@ +package eu.siacs.conversations.xmpp.jingle; + +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 android.content.Intent; +import android.graphics.BitmapFactory; +import android.net.Uri; +import android.util.Log; +import eu.siacs.conversations.Config; +import eu.siacs.conversations.entities.Account; +import eu.siacs.conversations.entities.Conversation; +import eu.siacs.conversations.entities.Downloadable; +import eu.siacs.conversations.entities.DownloadableFile; +import eu.siacs.conversations.entities.Message; +import eu.siacs.conversations.services.XmppConnectionService; +import eu.siacs.conversations.xml.Element; +import eu.siacs.conversations.xmpp.OnIqPacketReceived; +import eu.siacs.conversations.xmpp.jingle.stanzas.Content; +import eu.siacs.conversations.xmpp.jingle.stanzas.JinglePacket; +import eu.siacs.conversations.xmpp.jingle.stanzas.Reason; +import eu.siacs.conversations.xmpp.stanzas.IqPacket; + +public class JingleConnection implements Downloadable { + + private final String[] extensions = { "webp", "jpeg", "jpg", "png" }; + private final String[] cryptoExtensions = { "pgp", "gpg", "otr" }; + + 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_TERMINATED = 2; + protected static final int JINGLE_STATUS_CANCELED = 3; + 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 = 4096; + + private int mJingleStatus = -1; + private int mStatus = -1; + private Message message; + private String sessionId; + private Account account; + private String initiator; + private String responder; + private List<JingleCandidate> candidates = new ArrayList<JingleCandidate>(); + private ConcurrentHashMap<String, JingleSocks5Transport> connections = new ConcurrentHashMap<String, JingleSocks5Transport>(); + + private String transportId; + private Element fileOffer; + private DownloadableFile file = null; + + private String contentName; + private String contentCreator; + + private boolean receivedCandidate = false; + private boolean sentCandidate = false; + + private boolean acceptedAutomatically = false; + + private JingleTransport transport = null; + + private OnIqPacketReceived responseListener = new OnIqPacketReceived() { + + @Override + public void onIqPacketReceived(Account account, IqPacket packet) { + if (packet.getType() == IqPacket.TYPE_ERROR) { + if (initiator.equals(account.getFullJid())) { + mXmppConnectionService.markMessage(message, + Message.STATUS_SEND_FAILED); + } + mJingleStatus = JINGLE_STATUS_FAILED; + } + } + }; + + final OnFileTransmissionStatusChanged onFileTransmissionSatusChanged = new OnFileTransmissionStatusChanged() { + + @Override + public void onFileTransmitted(DownloadableFile file) { + if (responder.equals(account.getFullJid())) { + sendSuccess(); + if (acceptedAutomatically) { + message.markUnread(); + JingleConnection.this.mXmppConnectionService + .getNotificationService().push(message); + } + BitmapFactory.Options options = new BitmapFactory.Options(); + options.inJustDecodeBounds = true; + BitmapFactory.decodeFile(file.getAbsolutePath(), options); + int imageHeight = options.outHeight; + int imageWidth = options.outWidth; + message.setBody(Long.toString(file.getSize()) + ',' + + imageWidth + ',' + imageHeight); + mXmppConnectionService.databaseBackend.createMessage(message); + mXmppConnectionService.markMessage(message, + Message.STATUS_RECEIVED); + } + Log.d(Config.LOGTAG, + "sucessfully transmitted file:" + file.getAbsolutePath()); + if (message.getEncryption() != Message.ENCRYPTION_PGP) { + Intent intent = new Intent( + Intent.ACTION_MEDIA_SCANNER_SCAN_FILE); + intent.setData(Uri.fromFile(file)); + mXmppConnectionService.sendBroadcast(intent); + } + } + + @Override + public void onFileTransferAborted() { + JingleConnection.this.sendCancel(); + JingleConnection.this.cancel(); + } + }; + + private OnProxyActivated onProxyActivated = new OnProxyActivated() { + + @Override + public void success() { + if (initiator.equals(account.getFullJid())) { + Log.d(Config.LOGTAG, "we were initiating. sending file"); + transport.send(file, onFileTransmissionSatusChanged); + } else { + transport.receive(file, onFileTransmissionSatusChanged); + Log.d(Config.LOGTAG, "we were responding. receiving file"); + } + } + + @Override + public void failed() { + Log.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 String 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.cancel(); + } else if (reason.hasChild("success")) { + this.receiveSuccess(); + } else { + this.cancel(); + } + } else { + this.cancel(); + } + } 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; + Log.d(Config.LOGTAG, "trying to fallback to something unknown" + + packet.toString()); + } + } else if (packet.isAction("transport-accept")) { + returnResult = this.receiveTransportAccept(packet); + } else { + Log.d(Config.LOGTAG, "packet arrived in connection. action was " + + packet.getAction()); + returnResult = false; + } + IqPacket response; + if (returnResult) { + response = packet.generateRespone(IqPacket.TYPE_RESULT); + + } else { + response = packet.generateRespone(IqPacket.TYPE_ERROR); + } + account.getXmppConnection().sendIqPacket(response, null); + } + + public void init(Message message) { + this.contentCreator = "initiator"; + this.contentName = this.mJingleConnectionManager.nextRandomId(); + this.message = message; + this.account = message.getConversation().getAccount(); + this.initiator = this.account.getFullJid(); + 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() { + Log.d(Config.LOGTAG, + "connection to our own primary candidete failed"); + sendInitRequest(); + } + + @Override + public void established() { + Log.d(Config.LOGTAG, + "succesfully connected to our own primary candidate"); + mergeCandidate(candidate); + sendInitRequest(); + } + }); + mergeCandidate(candidate); + } else { + Log.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().split("/", 2)[0], false); + this.message = new Message(conversation, "", Message.ENCRYPTION_NONE); + this.message.setStatus(Message.STATUS_RECEIVED); + this.message.setType(Message.TYPE_IMAGE); + this.mStatus = Downloadable.STATUS_OFFER; + this.message.setDownloadable(this); + String[] fromParts = packet.getFrom().split("/", 2); + this.message.setPresence(fromParts[1]); + this.account = account; + this.initiator = packet.getFrom(); + this.responder = this.account.getFullJid(); + 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(); + if (fileOffer != null) { + Element fileSize = fileOffer.findChild("size"); + Element fileNameElement = fileOffer.findChild("name"); + if (fileNameElement != null) { + boolean supportedFile = false; + String[] filename = fileNameElement.getContent() + .toLowerCase(Locale.US).split("\\."); + if (Arrays.asList(this.extensions).contains( + filename[filename.length - 1])) { + supportedFile = true; + } else if (Arrays.asList(this.cryptoExtensions).contains( + filename[filename.length - 1])) { + if (filename.length == 3) { + if (Arrays.asList(this.extensions).contains( + filename[filename.length - 2])) { + supportedFile = true; + if (filename[filename.length - 1].equals("otr")) { + Log.d(Config.LOGTAG, "receiving otr file"); + this.message + .setEncryption(Message.ENCRYPTION_OTR); + } else { + this.message + .setEncryption(Message.ENCRYPTION_PGP); + } + } + } + } + if (supportedFile) { + long size = Long.parseLong(fileSize.getContent()); + message.setBody(Long.toString(size)); + conversation.add(message); + mXmppConnectionService.updateConversationUi(); + if (size <= this.mJingleConnectionManager + .getAutoAcceptFileSize()) { + Log.d(Config.LOGTAG, "auto accepting file from " + + packet.getFrom()); + this.acceptedAutomatically = true; + this.sendAccept(); + } else { + message.markUnread(); + Log.d(Config.LOGTAG, + "not auto accepting new file offer with size: " + + size + + " allowed size:" + + this.mJingleConnectionManager + .getAutoAcceptFileSize()); + this.mXmppConnectionService.getNotificationService() + .push(message); + } + this.file = this.mXmppConnectionService.getFileBackend() + .getFile(message, false); + if (message.getEncryption() == Message.ENCRYPTION_OTR) { + byte[] key = conversation.getSymmetricKey(); + if (key == null) { + this.sendCancel(); + this.cancel(); + return; + } else { + this.file.setKey(key); + } + } + this.file.setExpectedSize(size); + } else { + this.sendCancel(); + this.cancel(); + } + } else { + this.sendCancel(); + this.cancel(); + } + } else { + this.sendCancel(); + this.cancel(); + } + } + + private void sendInitRequest() { + JinglePacket packet = this.bootstrapPacket("session-initiate"); + Content content = new Content(this.contentCreator, this.contentName); + if (message.getType() == Message.TYPE_IMAGE) { + content.setTransportId(this.transportId); + this.file = this.mXmppConnectionService.getFileBackend().getFile( + message, false); + if (message.getEncryption() == Message.ENCRYPTION_OTR) { + Conversation conversation = this.message.getConversation(); + this.mXmppConnectionService.renewSymmetricKey(conversation); + content.setFileOffer(this.file, true); + this.file.setKey(conversation.getSymmetricKey()); + } else { + content.setFileOffer(this.file, false); + } + this.transportId = this.mJingleConnectionManager.nextRandomId(); + content.setTransportId(this.transportId); + content.socks5transport().setChildren(getCandidatesAsElements()); + packet.setContent(content); + this.sendJinglePacket(packet); + this.mJingleStatus = JINGLE_STATUS_INITIATED; + } + } + + private List<Element> getCandidatesAsElements() { + List<Element> elements = new ArrayList<Element>(); + for (JingleCandidate c : this.candidates) { + elements.add(c.toElement()); + } + return elements; + } + + private void sendAccept() { + mJingleStatus = JINGLE_STATUS_ACCEPTED; + this.mStatus = Downloadable.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) && (!equalCandidateExists(candidate))) { + final JingleSocks5Transport socksConnection = new JingleSocks5Transport( + JingleConnection.this, candidate); + connections.put(candidate.getCid(), socksConnection); + socksConnection.connect(new OnTransportConnected() { + + @Override + public void failed() { + Log.d(Config.LOGTAG, + "connection to our own primary candidate failed"); + content.socks5transport().setChildren( + getCandidatesAsElements()); + packet.setContent(content); + sendJinglePacket(packet); + connectNextCandidate(); + } + + @Override + public void established() { + Log.d(Config.LOGTAG, + "connected to primary candidate"); + mergeCandidate(candidate); + content.socks5transport().setChildren( + getCandidatesAsElements()); + packet.setContent(content); + sendJinglePacket(packet); + connectNextCandidate(); + } + }); + } else { + Log.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.getFullJid()); + packet.setTo(this.message.getCounterpart()); + packet.setSessionId(this.sessionId); + packet.setInitiator(this.initiator); + return packet; + } + + private void sendJinglePacket(JinglePacket packet) { + // Log.d(Config.LOGTAG,packet.toString()); + account.getXmppConnection().sendIqPacket(packet, responseListener); + } + + 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"); + Log.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 { + Log.d(Config.LOGTAG, "activated connection not found"); + this.sendCancel(); + this.cancel(); + } + } + return true; + } else if (content.socks5transport().hasChild("proxy-error")) { + onProxyActivated.failed(); + return true; + } else if (content.socks5transport().hasChild("candidate-error")) { + Log.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) { + Log.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 { + Log.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) { + Log.d(Config.LOGTAG, "could not find suitable candidate"); + this.disconnect(); + if (this.initiator.equals(account.getFullJid())) { + this.sendFallbackToIbb(); + } + } else { + this.mJingleStatus = JINGLE_STATUS_TRANSMITTING; + if (connection.needsActivation()) { + if (connection.getCandidate().isOurs()) { + Log.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()); + this.account.getXmppConnection().sendIqPacket(activation, + new OnIqPacketReceived() { + + @Override + public void onIqPacketReceived(Account account, + IqPacket packet) { + if (packet.getType() == IqPacket.TYPE_ERROR) { + onProxyActivated.failed(); + } else { + onProxyActivated.success(); + sendProxyActivated(connection + .getCandidate().getCid()); + } + } + }); + } else { + Log.d(Config.LOGTAG, + "candidate " + + connection.getCandidate().getCid() + + " was a proxy. waiting for other party to activate"); + } + } else { + if (initiator.equals(account.getFullJid())) { + Log.d(Config.LOGTAG, "we were initiating. sending file"); + connection.send(file, onFileTransmissionSatusChanged); + } else { + Log.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(); + // Log.d(Config.LOGTAG,"comparing candidate: "+currentConnection.getCandidate().toString()); + if (currentConnection.isEstablished() + && (currentConnection.getCandidate().isUsedByCounterpart() || (!currentConnection + .getCandidate().isOurs()))) { + // Log.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()) { + // Log.d(Config.LOGTAG,"found two candidates with same priority"); + if (initiator.equals(account.getFullJid())) { + 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.disconnect(); + this.mJingleStatus = JINGLE_STATUS_FINISHED; + this.message.setStatus(Message.STATUS_RECEIVED); + this.message.setDownloadable(null); + this.mXmppConnectionService.updateMessage(message); + this.mJingleConnectionManager.finishConnection(this); + } + + private void sendFallbackToIbb() { + Log.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) { + Log.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.account, + this.responder, 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", + Integer.toString(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.account, + this.responder, this.transportId, this.ibbBlockSize); + this.transport.connect(new OnTransportConnected() { + + @Override + public void failed() { + Log.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); + this.disconnect(); + this.mJingleConnectionManager.finishConnection(this); + } + + public void cancel() { + this.mJingleStatus = JINGLE_STATUS_CANCELED; + this.disconnect(); + if (this.message != null) { + if (this.responder.equals(account.getFullJid())) { + this.mStatus = Downloadable.STATUS_FAILED; + this.mXmppConnectionService.updateConversationUi(); + } else { + if (this.mJingleStatus == JINGLE_STATUS_INITIATED) { + this.mXmppConnectionService.markMessage(this.message, + Message.STATUS_SEND_REJECTED); + } else { + this.mXmppConnectionService.markMessage(this.message, + Message.STATUS_SEND_FAILED); + } + } + } + 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() { + Log.d(Config.LOGTAG, + "connection failed with " + candidate.getHost() + ":" + + candidate.getPort()); + connectNextCandidate(); + } + + @Override + public void established() { + Log.d(Config.LOGTAG, + "established connection with " + candidate.getHost() + + ":" + candidate.getPort()); + sendCandidateUsed(candidate.getCid()); + } + }); + } + + private void disconnect() { + 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 String getInitiator() { + return this.initiator; + } + + public String 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; + } + + 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.STATUS_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; + } + } +} diff --git a/conversations/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleConnectionManager.java b/conversations/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleConnectionManager.java new file mode 100644 index 00000000..1e7c84d4 --- /dev/null +++ b/conversations/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleConnectionManager.java @@ -0,0 +1,163 @@ +package eu.siacs.conversations.xmpp.jingle; + +import java.math.BigInteger; +import java.security.SecureRandom; +import java.util.HashMap; +import java.util.List; +import java.util.concurrent.CopyOnWriteArrayList; +import android.annotation.SuppressLint; +import android.util.Log; +import eu.siacs.conversations.Config; +import eu.siacs.conversations.entities.Account; +import eu.siacs.conversations.entities.Message; +import eu.siacs.conversations.services.AbstractConnectionManager; +import eu.siacs.conversations.services.XmppConnectionService; +import eu.siacs.conversations.xml.Element; +import eu.siacs.conversations.xmpp.OnIqPacketReceived; +import eu.siacs.conversations.xmpp.jingle.stanzas.JinglePacket; +import eu.siacs.conversations.xmpp.stanzas.IqPacket; + +public class JingleConnectionManager extends AbstractConnectionManager { + private List<JingleConnection> connections = new CopyOnWriteArrayList<JingleConnection>(); + + private HashMap<String, JingleCandidate> primaryCandidates = new HashMap<String, JingleCandidate>(); + + @SuppressLint("TrulyRandom") + private SecureRandom random = new SecureRandom(); + + public JingleConnectionManager(XmppConnectionService service) { + super(service); + } + + public void deliverPacket(Account account, JinglePacket packet) { + if (packet.isAction("session-initiate")) { + JingleConnection connection = new JingleConnection(this); + connection.init(account, packet); + connections.add(connection); + } else { + for (JingleConnection connection : connections) { + if (connection.getAccount() == account + && connection.getSessionId().equals( + packet.getSessionId()) + && connection.getCounterPart().equals(packet.getFrom())) { + connection.deliverPacket(packet); + return; + } + } + account.getXmppConnection().sendIqPacket( + packet.generateRespone(IqPacket.TYPE_ERROR), null); + } + } + + public JingleConnection createNewConnection(Message message) { + JingleConnection connection = new JingleConnection(this); + connection.init(message); + this.connections.add(connection); + return connection; + } + + public JingleConnection createNewConnection(JinglePacket packet) { + JingleConnection connection = new JingleConnection(this); + this.connections.add(connection); + return connection; + } + + public void finishConnection(JingleConnection connection) { + this.connections.remove(connection); + } + + public void getPrimaryCandidate(Account account, + final OnPrimaryCandidateFound listener) { + if (!this.primaryCandidates.containsKey(account.getJid())) { + String xmlns = "http://jabber.org/protocol/bytestreams"; + final String proxy = account.getXmppConnection() + .findDiscoItemByFeature(xmlns); + if (proxy != null) { + IqPacket iq = new IqPacket(IqPacket.TYPE_GET); + iq.setTo(proxy); + iq.query(xmlns); + account.getXmppConnection().sendIqPacket(iq, + new OnIqPacketReceived() { + + @Override + public void onIqPacketReceived(Account account, + IqPacket packet) { + Element streamhost = packet + .query() + .findChild("streamhost", + "http://jabber.org/protocol/bytestreams"); + if (streamhost != null) { + JingleCandidate candidate = new JingleCandidate( + nextRandomId(), true); + candidate.setHost(streamhost + .getAttribute("host")); + candidate.setPort(Integer + .parseInt(streamhost + .getAttribute("port"))); + candidate + .setType(JingleCandidate.TYPE_PROXY); + candidate.setJid(proxy); + candidate.setPriority(655360 + 65535); + primaryCandidates.put(account.getJid(), + candidate); + listener.onPrimaryCandidateFound(true, + candidate); + } else { + listener.onPrimaryCandidateFound(false, + null); + } + } + }); + } else { + listener.onPrimaryCandidateFound(false, null); + } + + } else { + listener.onPrimaryCandidateFound(true, + this.primaryCandidates.get(account.getJid())); + } + } + + public String nextRandomId() { + return new BigInteger(50, random).toString(32); + } + + public void deliverIbbPacket(Account account, IqPacket packet) { + String sid = null; + Element payload = null; + if (packet.hasChild("open", "http://jabber.org/protocol/ibb")) { + payload = packet + .findChild("open", "http://jabber.org/protocol/ibb"); + sid = payload.getAttribute("sid"); + } else if (packet.hasChild("data", "http://jabber.org/protocol/ibb")) { + payload = packet + .findChild("data", "http://jabber.org/protocol/ibb"); + sid = payload.getAttribute("sid"); + } + if (sid != null) { + for (JingleConnection connection : connections) { + if (connection.getAccount() == account + && connection.hasTransportId(sid)) { + JingleTransport transport = connection.getTransport(); + if (transport instanceof JingleInbandTransport) { + JingleInbandTransport inbandTransport = (JingleInbandTransport) transport; + inbandTransport.deliverPayload(packet, payload); + return; + } + } + } + Log.d(Config.LOGTAG, + "couldnt deliver payload: " + payload.toString()); + } else { + Log.d(Config.LOGTAG, "no sid found in incomming ibb packet"); + } + } + + public void cancelInTransmission() { + for (JingleConnection connection : this.connections) { + if (connection.getJingleStatus() == JingleConnection.JINGLE_STATUS_TRANSMITTING) { + connection.cancel(); + } + } + } +} diff --git a/conversations/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleInbandTransport.java b/conversations/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleInbandTransport.java new file mode 100644 index 00000000..cc1e92f6 --- /dev/null +++ b/conversations/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleInbandTransport.java @@ -0,0 +1,191 @@ +package eu.siacs.conversations.xmpp.jingle; + +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 android.util.Base64; +import eu.siacs.conversations.entities.Account; +import eu.siacs.conversations.entities.DownloadableFile; +import eu.siacs.conversations.utils.CryptoHelper; +import eu.siacs.conversations.xml.Element; +import eu.siacs.conversations.xmpp.OnIqPacketReceived; +import eu.siacs.conversations.xmpp.stanzas.IqPacket; + +public class JingleInbandTransport extends JingleTransport { + + private Account account; + private String counterpart; + private int blockSize; + private int bufferSize; + private int seq = 0; + private String sessionId; + + private boolean established = false; + + private DownloadableFile file; + + private InputStream fileInputStream = null; + private OutputStream fileOutputStream; + private long remainingSize; + private MessageDigest digest; + + private OnFileTransmissionStatusChanged onFileTransmissionStatusChanged; + + private OnIqPacketReceived onAckReceived = new OnIqPacketReceived() { + @Override + public void onIqPacketReceived(Account account, IqPacket packet) { + if (packet.getType() == IqPacket.TYPE_RESULT) { + sendNextBlock(); + } + } + }; + + public JingleInbandTransport(Account account, String counterpart, + String sid, int blocksize) { + this.account = account; + this.counterpart = counterpart; + this.blockSize = blocksize; + this.bufferSize = blocksize / 4; + 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.account.getXmppConnection().sendIqPacket(iq, + new OnIqPacketReceived() { + + @Override + public void onIqPacketReceived(Account account, + IqPacket packet) { + if (packet.getType() == IqPacket.TYPE_ERROR) { + 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 = file.createOutputStream(); + if (this.fileOutputStream == null) { + callback.onFileTransferAborted(); + return; + } + this.remainingSize = file.getExpectedSize(); + } catch (NoSuchAlgorithmException e) { + callback.onFileTransferAborted(); + } catch (IOException e) { + callback.onFileTransferAborted(); + } + } + + @Override + public void send(DownloadableFile file, + OnFileTransmissionStatusChanged callback) { + this.onFileTransmissionStatusChanged = callback; + this.file = file; + try { + this.digest = MessageDigest.getInstance("SHA-1"); + this.digest.reset(); + fileInputStream = this.file.createInputStream(); + if (fileInputStream == null) { + callback.onFileTransferAborted(); + return; + } + this.sendNextBlock(); + } catch (NoSuchAlgorithmException e) { + callback.onFileTransferAborted(); + } + } + + private void sendNextBlock() { + byte[] buffer = new byte[this.bufferSize]; + try { + int count = fileInputStream.read(buffer); + if (count == -1) { + file.setSha1Sum(CryptoHelper.bytesToHex(digest.digest())); + fileInputStream.close(); + this.onFileTransmissionStatusChanged.onFileTransmitted(file); + } else { + this.digest.update(buffer); + String base64 = Base64.encodeToString(buffer, 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.seq++; + } + } catch (IOException e) { + 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); + } + } catch (IOException e) { + this.onFileTransmissionStatusChanged.onFileTransferAborted(); + } + } + + public void deliverPayload(IqPacket packet, Element payload) { + if (payload.getName().equals("open")) { + if (!established) { + established = true; + this.account.getXmppConnection().sendIqPacket( + packet.generateRespone(IqPacket.TYPE_RESULT), null); + } else { + this.account.getXmppConnection().sendIqPacket( + packet.generateRespone(IqPacket.TYPE_ERROR), null); + } + } else if (payload.getName().equals("data")) { + this.receiveNextBlock(payload.getContent()); + this.account.getXmppConnection().sendIqPacket( + packet.generateRespone(IqPacket.TYPE_RESULT), null); + } else { + // TODO some sort of exception + } + } +} diff --git a/conversations/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleSocks5Transport.java b/conversations/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleSocks5Transport.java new file mode 100644 index 00000000..1da2f0cd --- /dev/null +++ b/conversations/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleSocks5Transport.java @@ -0,0 +1,212 @@ +package eu.siacs.conversations.xmpp.jingle; + +import java.io.FileNotFoundException; +import java.io.IOException; +import java.io.InputStream; +import java.io.OutputStream; +import java.net.Socket; +import java.net.UnknownHostException; +import java.security.MessageDigest; +import java.security.NoSuchAlgorithmException; +import java.util.Arrays; + +import eu.siacs.conversations.entities.DownloadableFile; +import eu.siacs.conversations.utils.CryptoHelper; + +public class JingleSocks5Transport extends JingleTransport { + private JingleCandidate candidate; + private String destination; + private OutputStream outputStream; + private InputStream inputStream; + private boolean isEstablished = false; + private boolean activated = false; + protected Socket socket; + + public JingleSocks5Transport(JingleConnection jingleConnection, + JingleCandidate candidate) { + this.candidate = candidate; + try { + MessageDigest mDigest = MessageDigest.getInstance("SHA-1"); + StringBuilder destBuilder = new StringBuilder(); + destBuilder.append(jingleConnection.getSessionId()); + if (candidate.isOurs()) { + destBuilder.append(jingleConnection.getAccount().getFullJid()); + destBuilder.append(jingleConnection.getCounterPart()); + } else { + destBuilder.append(jingleConnection.getCounterPart()); + destBuilder.append(jingleConnection.getAccount().getFullJid()); + } + mDigest.reset(); + this.destination = CryptoHelper.bytesToHex(mDigest + .digest(destBuilder.toString().getBytes())); + } catch (NoSuchAlgorithmException e) { + + } + } + + public void connect(final OnTransportConnected callback) { + new Thread(new Runnable() { + + @Override + public void run() { + try { + socket = new Socket(candidate.getHost(), + candidate.getPort()); + inputStream = socket.getInputStream(); + outputStream = socket.getOutputStream(); + byte[] login = { 0x05, 0x01, 0x00 }; + byte[] expectedReply = { 0x05, 0x00 }; + byte[] reply = new byte[2]; + outputStream.write(login); + inputStream.read(reply); + final String connect = Character.toString('\u0005') + + '\u0001' + '\u0000' + '\u0003' + '\u0028' + + destination + '\u0000' + '\u0000'; + if (Arrays.equals(reply, expectedReply)) { + outputStream.write(connect.getBytes()); + byte[] result = new byte[2]; + inputStream.read(result); + int status = result[1]; + if (status == 0) { + isEstablished = true; + callback.established(); + } else { + callback.failed(); + } + } else { + socket.close(); + callback.failed(); + } + } catch (UnknownHostException e) { + callback.failed(); + } catch (IOException e) { + callback.failed(); + } + } + }).start(); + + } + + public void send(final DownloadableFile file, + final OnFileTransmissionStatusChanged callback) { + new Thread(new Runnable() { + + @Override + public void run() { + InputStream fileInputStream = null; + try { + MessageDigest digest = MessageDigest.getInstance("SHA-1"); + digest.reset(); + fileInputStream = file.createInputStream(); + if (fileInputStream == null) { + callback.onFileTransferAborted(); + return; + } + int count; + byte[] buffer = new byte[8192]; + while ((count = fileInputStream.read(buffer)) > 0) { + outputStream.write(buffer, 0, count); + digest.update(buffer, 0, count); + } + outputStream.flush(); + file.setSha1Sum(CryptoHelper.bytesToHex(digest.digest())); + if (callback != null) { + callback.onFileTransmitted(file); + } + } catch (FileNotFoundException e) { + callback.onFileTransferAborted(); + } catch (IOException e) { + callback.onFileTransferAborted(); + } catch (NoSuchAlgorithmException e) { + callback.onFileTransferAborted(); + } finally { + try { + if (fileInputStream != null) { + fileInputStream.close(); + } + } catch (IOException e) { + callback.onFileTransferAborted(); + } + } + } + }).start(); + + } + + public void receive(final DownloadableFile file, + final OnFileTransmissionStatusChanged callback) { + new Thread(new Runnable() { + + @Override + public void run() { + try { + MessageDigest digest = MessageDigest.getInstance("SHA-1"); + digest.reset(); + inputStream.skip(45); + socket.setSoTimeout(30000); + file.getParentFile().mkdirs(); + file.createNewFile(); + OutputStream fileOutputStream = file.createOutputStream(); + if (fileOutputStream == null) { + callback.onFileTransferAborted(); + return; + } + long remainingSize = file.getExpectedSize(); + byte[] buffer = new byte[8192]; + int count = buffer.length; + while (remainingSize > 0) { + count = inputStream.read(buffer); + if (count == -1) { + callback.onFileTransferAborted(); + return; + } else { + fileOutputStream.write(buffer, 0, count); + digest.update(buffer, 0, count); + remainingSize -= count; + } + } + fileOutputStream.flush(); + fileOutputStream.close(); + file.setSha1Sum(CryptoHelper.bytesToHex(digest.digest())); + callback.onFileTransmitted(file); + } catch (FileNotFoundException e) { + callback.onFileTransferAborted(); + } catch (IOException e) { + callback.onFileTransferAborted(); + } catch (NoSuchAlgorithmException e) { + callback.onFileTransferAborted(); + } + } + }).start(); + } + + public boolean isProxy() { + return this.candidate.getType() == JingleCandidate.TYPE_PROXY; + } + + public boolean needsActivation() { + return (this.isProxy() && !this.activated); + } + + public void disconnect() { + if (this.socket != null) { + try { + this.socket.close(); + } catch (IOException e) { + + } + } + } + + public boolean isEstablished() { + return this.isEstablished; + } + + public JingleCandidate getCandidate() { + return this.candidate; + } + + public void setActivated(boolean activated) { + this.activated = activated; + } +} diff --git a/conversations/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleTransport.java b/conversations/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleTransport.java new file mode 100644 index 00000000..1374e61c --- /dev/null +++ b/conversations/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleTransport.java @@ -0,0 +1,13 @@ +package eu.siacs.conversations.xmpp.jingle; + +import eu.siacs.conversations.entities.DownloadableFile; + +public abstract class JingleTransport { + public abstract void connect(final OnTransportConnected callback); + + public abstract void receive(final DownloadableFile file, + final OnFileTransmissionStatusChanged callback); + + public abstract void send(final DownloadableFile file, + final OnFileTransmissionStatusChanged callback); +} diff --git a/conversations/src/main/java/eu/siacs/conversations/xmpp/jingle/OnFileTransmissionStatusChanged.java b/conversations/src/main/java/eu/siacs/conversations/xmpp/jingle/OnFileTransmissionStatusChanged.java new file mode 100644 index 00000000..e45e7441 --- /dev/null +++ b/conversations/src/main/java/eu/siacs/conversations/xmpp/jingle/OnFileTransmissionStatusChanged.java @@ -0,0 +1,9 @@ +package eu.siacs.conversations.xmpp.jingle; + +import eu.siacs.conversations.entities.DownloadableFile; + +public interface OnFileTransmissionStatusChanged { + public void onFileTransmitted(DownloadableFile file); + + public void onFileTransferAborted(); +} diff --git a/conversations/src/main/java/eu/siacs/conversations/xmpp/jingle/OnJinglePacketReceived.java b/conversations/src/main/java/eu/siacs/conversations/xmpp/jingle/OnJinglePacketReceived.java new file mode 100644 index 00000000..2aaf62a1 --- /dev/null +++ b/conversations/src/main/java/eu/siacs/conversations/xmpp/jingle/OnJinglePacketReceived.java @@ -0,0 +1,9 @@ +package eu.siacs.conversations.xmpp.jingle; + +import eu.siacs.conversations.entities.Account; +import eu.siacs.conversations.xmpp.PacketReceived; +import eu.siacs.conversations.xmpp.jingle.stanzas.JinglePacket; + +public interface OnJinglePacketReceived extends PacketReceived { + public void onJinglePacketReceived(Account account, JinglePacket packet); +} diff --git a/conversations/src/main/java/eu/siacs/conversations/xmpp/jingle/OnPrimaryCandidateFound.java b/conversations/src/main/java/eu/siacs/conversations/xmpp/jingle/OnPrimaryCandidateFound.java new file mode 100644 index 00000000..03a437b2 --- /dev/null +++ b/conversations/src/main/java/eu/siacs/conversations/xmpp/jingle/OnPrimaryCandidateFound.java @@ -0,0 +1,6 @@ +package eu.siacs.conversations.xmpp.jingle; + +public interface OnPrimaryCandidateFound { + public void onPrimaryCandidateFound(boolean success, + JingleCandidate canditate); +} diff --git a/conversations/src/main/java/eu/siacs/conversations/xmpp/jingle/OnTransportConnected.java b/conversations/src/main/java/eu/siacs/conversations/xmpp/jingle/OnTransportConnected.java new file mode 100644 index 00000000..38f03c5d --- /dev/null +++ b/conversations/src/main/java/eu/siacs/conversations/xmpp/jingle/OnTransportConnected.java @@ -0,0 +1,7 @@ +package eu.siacs.conversations.xmpp.jingle; + +public interface OnTransportConnected { + public void failed(); + + public void established(); +} diff --git a/conversations/src/main/java/eu/siacs/conversations/xmpp/jingle/stanzas/Content.java b/conversations/src/main/java/eu/siacs/conversations/xmpp/jingle/stanzas/Content.java new file mode 100644 index 00000000..bcadbe77 --- /dev/null +++ b/conversations/src/main/java/eu/siacs/conversations/xmpp/jingle/stanzas/Content.java @@ -0,0 +1,102 @@ +package eu.siacs.conversations.xmpp.jingle.stanzas; + +import eu.siacs.conversations.entities.DownloadableFile; +import eu.siacs.conversations.xml.Element; + +public class Content extends Element { + + private String transportId; + + private Content(String name) { + super(name); + } + + public Content() { + super("content"); + } + + public Content(String creator, String name) { + super("content"); + this.setAttribute("creator", creator); + this.setAttribute("name", name); + } + + public void setTransportId(String sid) { + this.transportId = sid; + } + + public void setFileOffer(DownloadableFile actualFile, boolean otr) { + Element description = this.addChild("description", + "urn:xmpp:jingle:apps:file-transfer:3"); + Element offer = description.addChild("offer"); + Element file = offer.addChild("file"); + file.addChild("size").setContent(Long.toString(actualFile.getSize())); + if (otr) { + file.addChild("name").setContent(actualFile.getName() + ".otr"); + } else { + file.addChild("name").setContent(actualFile.getName()); + } + } + + public Element getFileOffer() { + Element description = this.findChild("description", + "urn:xmpp:jingle:apps:file-transfer:3"); + if (description == null) { + return null; + } + Element offer = description.findChild("offer"); + if (offer == null) { + return null; + } + return offer.findChild("file"); + } + + public void setFileOffer(Element fileOffer) { + Element description = this.findChild("description", + "urn:xmpp:jingle:apps:file-transfer:3"); + if (description == null) { + description = this.addChild("description", + "urn:xmpp:jingle:apps:file-transfer:3"); + } + description.addChild(fileOffer); + } + + public String getTransportId() { + if (hasSocks5Transport()) { + this.transportId = socks5transport().getAttribute("sid"); + } else if (hasIbbTransport()) { + this.transportId = ibbTransport().getAttribute("sid"); + } + return this.transportId; + } + + public Element socks5transport() { + Element transport = this.findChild("transport", + "urn:xmpp:jingle:transports:s5b:1"); + if (transport == null) { + transport = this.addChild("transport", + "urn:xmpp:jingle:transports:s5b:1"); + transport.setAttribute("sid", this.transportId); + } + return transport; + } + + public Element ibbTransport() { + Element transport = this.findChild("transport", + "urn:xmpp:jingle:transports:ibb:1"); + if (transport == null) { + transport = this.addChild("transport", + "urn:xmpp:jingle:transports:ibb:1"); + transport.setAttribute("sid", this.transportId); + } + return transport; + } + + public boolean hasSocks5Transport() { + return this.hasChild("transport", "urn:xmpp:jingle:transports:s5b:1"); + } + + public boolean hasIbbTransport() { + return this.hasChild("transport", "urn:xmpp:jingle:transports:ibb:1"); + } +} diff --git a/conversations/src/main/java/eu/siacs/conversations/xmpp/jingle/stanzas/JinglePacket.java b/conversations/src/main/java/eu/siacs/conversations/xmpp/jingle/stanzas/JinglePacket.java new file mode 100644 index 00000000..77a73643 --- /dev/null +++ b/conversations/src/main/java/eu/siacs/conversations/xmpp/jingle/stanzas/JinglePacket.java @@ -0,0 +1,95 @@ +package eu.siacs.conversations.xmpp.jingle.stanzas; + +import eu.siacs.conversations.xml.Element; +import eu.siacs.conversations.xmpp.stanzas.IqPacket; + +public class JinglePacket extends IqPacket { + Content content = null; + Reason reason = null; + Element jingle = new Element("jingle"); + + @Override + public Element addChild(Element child) { + if ("jingle".equals(child.getName())) { + Element contentElement = child.findChild("content"); + if (contentElement != null) { + this.content = new Content(); + this.content.setChildren(contentElement.getChildren()); + this.content.setAttributes(contentElement.getAttributes()); + } + Element reasonElement = child.findChild("reason"); + if (reasonElement != null) { + this.reason = new Reason(); + this.reason.setChildren(reasonElement.getChildren()); + this.reason.setAttributes(reasonElement.getAttributes()); + } + this.jingle.setAttributes(child.getAttributes()); + } + return child; + } + + public JinglePacket setContent(Content content) { + this.content = content; + return this; + } + + public Content getJingleContent() { + if (this.content == null) { + this.content = new Content(); + } + return this.content; + } + + public JinglePacket setReason(Reason reason) { + this.reason = reason; + return this; + } + + public Reason getReason() { + return this.reason; + } + + private void build() { + this.children.clear(); + this.jingle.clearChildren(); + this.jingle.setAttribute("xmlns", "urn:xmpp:jingle:1"); + if (this.content != null) { + jingle.addChild(this.content); + } + if (this.reason != null) { + jingle.addChild(this.reason); + } + this.children.add(jingle); + this.setAttribute("type", "set"); + } + + public String getSessionId() { + return this.jingle.getAttribute("sid"); + } + + public void setSessionId(String sid) { + this.jingle.setAttribute("sid", sid); + } + + @Override + public String toString() { + this.build(); + return super.toString(); + } + + public void setAction(String action) { + this.jingle.setAttribute("action", action); + } + + public String getAction() { + return this.jingle.getAttribute("action"); + } + + public void setInitiator(String initiator) { + this.jingle.setAttribute("initiator", initiator); + } + + public boolean isAction(String action) { + return action.equalsIgnoreCase(this.getAction()); + } +} diff --git a/conversations/src/main/java/eu/siacs/conversations/xmpp/jingle/stanzas/Reason.java b/conversations/src/main/java/eu/siacs/conversations/xmpp/jingle/stanzas/Reason.java new file mode 100644 index 00000000..610d5e76 --- /dev/null +++ b/conversations/src/main/java/eu/siacs/conversations/xmpp/jingle/stanzas/Reason.java @@ -0,0 +1,13 @@ +package eu.siacs.conversations.xmpp.jingle.stanzas; + +import eu.siacs.conversations.xml.Element; + +public class Reason extends Element { + private Reason(String name) { + super(name); + } + + public Reason() { + super("reason"); + } +} |