1049 lines
48 KiB
Java
1049 lines
48 KiB
Java
package eu.siacs.conversations.xmpp.jingle;
|
||
|
||
import android.util.Base64;
|
||
import android.util.Log;
|
||
|
||
import com.google.common.base.Objects;
|
||
import com.google.common.base.Optional;
|
||
import com.google.common.base.Preconditions;
|
||
import com.google.common.cache.Cache;
|
||
import com.google.common.cache.CacheBuilder;
|
||
import com.google.common.collect.Collections2;
|
||
import com.google.common.collect.ComparisonChain;
|
||
import com.google.common.collect.ImmutableSet;
|
||
|
||
import java.lang.ref.WeakReference;
|
||
import java.security.SecureRandom;
|
||
import java.util.Collection;
|
||
import java.util.Collections;
|
||
import java.util.HashMap;
|
||
import java.util.List;
|
||
import java.util.Map;
|
||
import java.util.Set;
|
||
import java.util.concurrent.ConcurrentHashMap;
|
||
import java.util.concurrent.Executors;
|
||
import java.util.concurrent.ScheduledExecutorService;
|
||
import java.util.concurrent.ScheduledFuture;
|
||
import java.util.concurrent.TimeUnit;
|
||
|
||
import eu.siacs.conversations.Config;
|
||
import eu.siacs.conversations.entities.Account;
|
||
import eu.siacs.conversations.entities.Contact;
|
||
import eu.siacs.conversations.entities.Conversation;
|
||
import eu.siacs.conversations.entities.Conversational;
|
||
import eu.siacs.conversations.entities.Message;
|
||
import eu.siacs.conversations.entities.RtpSessionStatus;
|
||
import eu.siacs.conversations.entities.Transferable;
|
||
import eu.siacs.conversations.services.AbstractConnectionManager;
|
||
import eu.siacs.conversations.services.XmppConnectionService;
|
||
import eu.siacs.conversations.xml.Element;
|
||
import eu.siacs.conversations.xml.Namespace;
|
||
import eu.siacs.conversations.xmpp.Jid;
|
||
import eu.siacs.conversations.xmpp.OnIqPacketReceived;
|
||
import eu.siacs.conversations.xmpp.XmppConnection;
|
||
import eu.siacs.conversations.xmpp.jingle.stanzas.Content;
|
||
import eu.siacs.conversations.xmpp.jingle.stanzas.FileTransferDescription;
|
||
import eu.siacs.conversations.xmpp.jingle.stanzas.GenericDescription;
|
||
import eu.siacs.conversations.xmpp.jingle.stanzas.JinglePacket;
|
||
import eu.siacs.conversations.xmpp.jingle.stanzas.Propose;
|
||
import eu.siacs.conversations.xmpp.jingle.stanzas.Reason;
|
||
import eu.siacs.conversations.xmpp.jingle.stanzas.RtpDescription;
|
||
import eu.siacs.conversations.xmpp.stanzas.IqPacket;
|
||
import eu.siacs.conversations.xmpp.stanzas.MessagePacket;
|
||
|
||
public class JingleConnectionManager extends AbstractConnectionManager {
|
||
static final ScheduledExecutorService SCHEDULED_EXECUTOR_SERVICE =
|
||
Executors.newSingleThreadScheduledExecutor();
|
||
final ToneManager toneManager;
|
||
private final HashMap<RtpSessionProposal, DeviceDiscoveryState> rtpSessionProposals =
|
||
new HashMap<>();
|
||
private final ConcurrentHashMap<AbstractJingleConnection.Id, AbstractJingleConnection>
|
||
connections = new ConcurrentHashMap<>();
|
||
|
||
private final Cache<PersistableSessionId, TerminatedRtpSession> terminatedSessions =
|
||
CacheBuilder.newBuilder().expireAfterWrite(24, TimeUnit.HOURS).build();
|
||
|
||
private final HashMap<Jid, JingleCandidate> primaryCandidates = new HashMap<>();
|
||
|
||
public JingleConnectionManager(XmppConnectionService service) {
|
||
super(service);
|
||
this.toneManager = new ToneManager(service);
|
||
}
|
||
|
||
static String nextRandomId() {
|
||
final byte[] id = new byte[16];
|
||
new SecureRandom().nextBytes(id);
|
||
return Base64.encodeToString(id, Base64.NO_WRAP | Base64.NO_PADDING);
|
||
}
|
||
|
||
public void deliverPacket(final Account account, final JinglePacket packet) {
|
||
final String sessionId = packet.getSessionId();
|
||
if (sessionId == null) {
|
||
respondWithJingleError(account, packet, "unknown-session", "item-not-found", "cancel");
|
||
return;
|
||
}
|
||
final AbstractJingleConnection.Id id = AbstractJingleConnection.Id.of(account, packet);
|
||
final AbstractJingleConnection existingJingleConnection = connections.get(id);
|
||
if (existingJingleConnection != null) {
|
||
existingJingleConnection.deliverPacket(packet);
|
||
} else if (packet.getAction() == JinglePacket.Action.SESSION_INITIATE) {
|
||
final Jid from = packet.getFrom();
|
||
final Content content = packet.getJingleContent();
|
||
final String descriptionNamespace =
|
||
content == null ? null : content.getDescriptionNamespace();
|
||
final AbstractJingleConnection connection;
|
||
if (FileTransferDescription.NAMESPACES.contains(descriptionNamespace)) {
|
||
connection = new JingleFileTransferConnection(this, id, from);
|
||
} else if (Namespace.JINGLE_APPS_RTP.equals(descriptionNamespace)
|
||
&& isUsingClearNet(account)) {
|
||
final boolean sessionEnded =
|
||
this.terminatedSessions.asMap().containsKey(PersistableSessionId.of(id));
|
||
final boolean stranger =
|
||
isWithStrangerAndStrangerNotificationsAreOff(account, id.with);
|
||
if (isBusy() != null || sessionEnded || stranger) {
|
||
Log.d(
|
||
Config.LOGTAG,
|
||
id.account.getJid().asBareJid()
|
||
+ ": rejected session with "
|
||
+ id.with
|
||
+ " because busy. sessionEnded="
|
||
+ sessionEnded
|
||
+ ", stranger="
|
||
+ stranger);
|
||
mXmppConnectionService.sendIqPacket(
|
||
account, packet.generateResponse(IqPacket.TYPE.RESULT), null);
|
||
final JinglePacket sessionTermination =
|
||
new JinglePacket(JinglePacket.Action.SESSION_TERMINATE, id.sessionId);
|
||
sessionTermination.setTo(id.with);
|
||
sessionTermination.setReason(Reason.BUSY, null);
|
||
mXmppConnectionService.sendIqPacket(account, sessionTermination, null);
|
||
return;
|
||
}
|
||
connection = new JingleRtpConnection(this, id, from);
|
||
} else {
|
||
respondWithJingleError(
|
||
account, packet, "unsupported-info", "feature-not-implemented", "cancel");
|
||
return;
|
||
}
|
||
connections.put(id, connection);
|
||
mXmppConnectionService.updateConversationUi();
|
||
connection.deliverPacket(packet);
|
||
} else {
|
||
Log.d(Config.LOGTAG, "unable to route jingle packet: " + packet);
|
||
respondWithJingleError(account, packet, "unknown-session", "item-not-found", "cancel");
|
||
}
|
||
}
|
||
|
||
private boolean isUsingClearNet(final Account account) {
|
||
return !account.isOnion() && !mXmppConnectionService.useTorToConnect();
|
||
}
|
||
|
||
public String isBusy() {
|
||
if (mXmppConnectionService.isPhoneInCall()) {
|
||
return "isPhoneInCall";
|
||
}
|
||
for (AbstractJingleConnection connection : this.connections.values()) {
|
||
if (connection instanceof JingleRtpConnection) {
|
||
if (((JingleRtpConnection) connection).isTerminated()) {
|
||
continue;
|
||
}
|
||
return "connection !isTerminated";
|
||
}
|
||
}
|
||
synchronized (this.rtpSessionProposals) {
|
||
if (this.rtpSessionProposals.containsValue(DeviceDiscoveryState.DISCOVERED)) return "discovered";
|
||
if (this.rtpSessionProposals.containsValue(DeviceDiscoveryState.SEARCHING)) return "searching";
|
||
if (this.rtpSessionProposals.containsValue(DeviceDiscoveryState.SEARCHING_ACKNOWLEDGED)) return "searching_acknolwedged";
|
||
return null;
|
||
}
|
||
}
|
||
|
||
public void notifyPhoneCallStarted() {
|
||
for (AbstractJingleConnection connection : connections.values()) {
|
||
if (connection instanceof JingleRtpConnection) {
|
||
final JingleRtpConnection rtpConnection = (JingleRtpConnection) connection;
|
||
if (rtpConnection.isTerminated()) {
|
||
continue;
|
||
}
|
||
rtpConnection.notifyPhoneCall();
|
||
}
|
||
}
|
||
}
|
||
|
||
private Optional<RtpSessionProposal> findMatchingSessionProposal(
|
||
final Account account, final Jid with, final Set<Media> media) {
|
||
synchronized (this.rtpSessionProposals) {
|
||
for (Map.Entry<RtpSessionProposal, DeviceDiscoveryState> entry :
|
||
this.rtpSessionProposals.entrySet()) {
|
||
final RtpSessionProposal proposal = entry.getKey();
|
||
final DeviceDiscoveryState state = entry.getValue();
|
||
final boolean openProposal =
|
||
state == DeviceDiscoveryState.DISCOVERED
|
||
|| state == DeviceDiscoveryState.SEARCHING
|
||
|| state == DeviceDiscoveryState.SEARCHING_ACKNOWLEDGED;
|
||
if (openProposal
|
||
&& proposal.account == account
|
||
&& proposal.with.equals(with.asBareJid())
|
||
&& proposal.media.equals(media)) {
|
||
return Optional.of(proposal);
|
||
}
|
||
}
|
||
}
|
||
return Optional.absent();
|
||
}
|
||
|
||
private String hasMatchingRtpSession(final Account account, final Jid with, final Set<Media> media) {
|
||
for (AbstractJingleConnection connection : this.connections.values()) {
|
||
if (connection instanceof JingleRtpConnection) {
|
||
final JingleRtpConnection rtpConnection = (JingleRtpConnection) connection;
|
||
if (rtpConnection.isTerminated()) {
|
||
continue;
|
||
}
|
||
if (rtpConnection.getId().account == account
|
||
&& rtpConnection.getId().with.asBareJid().equals(with.asBareJid())
|
||
&& rtpConnection.getMedia().equals(media)) {
|
||
return rtpConnection.getId().sessionId;
|
||
}
|
||
}
|
||
}
|
||
return null;
|
||
}
|
||
|
||
private boolean isWithStrangerAndStrangerNotificationsAreOff(final Account account, Jid with) {
|
||
final boolean notifyForStrangers =
|
||
mXmppConnectionService.getNotificationService().notificationsFromStrangers();
|
||
if (notifyForStrangers) {
|
||
return false;
|
||
}
|
||
final Contact contact = account.getRoster().getContact(with);
|
||
return !contact.showInContactList();
|
||
}
|
||
|
||
ScheduledFuture<?> schedule(
|
||
final Runnable runnable, final long delay, final TimeUnit timeUnit) {
|
||
return SCHEDULED_EXECUTOR_SERVICE.schedule(runnable, delay, timeUnit);
|
||
}
|
||
|
||
void respondWithJingleError(
|
||
final Account account,
|
||
final IqPacket original,
|
||
String jingleCondition,
|
||
String condition,
|
||
String conditionType) {
|
||
final IqPacket response = original.generateResponse(IqPacket.TYPE.ERROR);
|
||
final Element error = response.addChild("error");
|
||
error.setAttribute("type", conditionType);
|
||
error.addChild(condition, "urn:ietf:params:xml:ns:xmpp-stanzas");
|
||
error.addChild(jingleCondition, Namespace.JINGLE_ERRORS);
|
||
account.getXmppConnection().sendIqPacket(response, null);
|
||
}
|
||
|
||
public void deliverMessage(
|
||
final Account account,
|
||
final Jid to,
|
||
final Jid from,
|
||
final Element message,
|
||
String remoteMsgId,
|
||
String serverMsgId,
|
||
long timestamp) {
|
||
Preconditions.checkArgument(Namespace.JINGLE_MESSAGE.equals(message.getNamespace()));
|
||
final String sessionId = message.getAttribute("id");
|
||
if (sessionId == null) {
|
||
return;
|
||
}
|
||
if ("accept".equals(message.getName())) {
|
||
for (AbstractJingleConnection connection : connections.values()) {
|
||
if (connection instanceof JingleRtpConnection) {
|
||
final JingleRtpConnection rtpConnection = (JingleRtpConnection) connection;
|
||
final AbstractJingleConnection.Id id = connection.getId();
|
||
if (id.account == account && id.sessionId.equals(sessionId)) {
|
||
rtpConnection.deliveryMessage(from, message, serverMsgId, timestamp);
|
||
return;
|
||
}
|
||
}
|
||
}
|
||
return;
|
||
}
|
||
final boolean fromSelf = from.asBareJid().equals(account.getJid().asBareJid());
|
||
final boolean addressedDirectly = to != null && to.equals(account.getJid());
|
||
final AbstractJingleConnection.Id id;
|
||
if (fromSelf) {
|
||
if (to != null && to.isFullJid()) {
|
||
id = AbstractJingleConnection.Id.of(account, to, sessionId);
|
||
} else {
|
||
return;
|
||
}
|
||
} else {
|
||
id = AbstractJingleConnection.Id.of(account, from, sessionId);
|
||
}
|
||
final AbstractJingleConnection existingJingleConnection = connections.get(id);
|
||
if (existingJingleConnection != null) {
|
||
if (existingJingleConnection instanceof JingleRtpConnection) {
|
||
((JingleRtpConnection) existingJingleConnection)
|
||
.deliveryMessage(from, message, serverMsgId, timestamp);
|
||
} else {
|
||
Log.d(
|
||
Config.LOGTAG,
|
||
account.getJid().asBareJid()
|
||
+ ": "
|
||
+ existingJingleConnection.getClass().getName()
|
||
+ " does not support jingle messages");
|
||
}
|
||
return;
|
||
}
|
||
|
||
if (fromSelf) {
|
||
if ("proceed".equals(message.getName())) {
|
||
final Conversation c =
|
||
mXmppConnectionService.findOrCreateConversation(
|
||
account, id.with, false, false);
|
||
final Message previousBusy = c.findRtpSession(sessionId, Message.STATUS_RECEIVED);
|
||
if (previousBusy != null) {
|
||
previousBusy.setBody(new RtpSessionStatus(true, 0).toString());
|
||
if (serverMsgId != null) {
|
||
previousBusy.setServerMsgId(serverMsgId);
|
||
}
|
||
previousBusy.setTime(timestamp);
|
||
mXmppConnectionService.updateMessage(previousBusy, true);
|
||
Log.d(
|
||
Config.LOGTAG,
|
||
id.account.getJid().asBareJid()
|
||
+ ": updated previous busy because call got picked up by another device");
|
||
return;
|
||
}
|
||
}
|
||
// TODO handle reject for cases where we don’t have carbon copies (normally reject is to
|
||
// be sent to own bare jid as well)
|
||
Log.d(
|
||
Config.LOGTAG,
|
||
account.getJid().asBareJid() + ": ignore jingle message from self");
|
||
return;
|
||
}
|
||
|
||
if ("propose".equals(message.getName())) {
|
||
final Propose propose = Propose.upgrade(message);
|
||
final List<GenericDescription> descriptions = propose.getDescriptions();
|
||
final Collection<RtpDescription> rtpDescriptions =
|
||
Collections2.transform(
|
||
Collections2.filter(descriptions, d -> d instanceof RtpDescription),
|
||
input -> (RtpDescription) input);
|
||
if (rtpDescriptions.size() > 0
|
||
&& rtpDescriptions.size() == descriptions.size()
|
||
&& isUsingClearNet(account)) {
|
||
final Collection<Media> media =
|
||
Collections2.transform(rtpDescriptions, RtpDescription::getMedia);
|
||
if (media.contains(Media.UNKNOWN)) {
|
||
Log.d(
|
||
Config.LOGTAG,
|
||
account.getJid().asBareJid()
|
||
+ ": encountered unknown media in session proposal. "
|
||
+ propose);
|
||
return;
|
||
}
|
||
final Optional<RtpSessionProposal> matchingSessionProposal =
|
||
findMatchingSessionProposal(account, id.with, ImmutableSet.copyOf(media));
|
||
if (matchingSessionProposal.isPresent()) {
|
||
final String ourSessionId = matchingSessionProposal.get().sessionId;
|
||
final String theirSessionId = id.sessionId;
|
||
if (ComparisonChain.start()
|
||
.compare(ourSessionId, theirSessionId)
|
||
.compare(
|
||
account.getJid().toEscapedString(),
|
||
id.with.toEscapedString())
|
||
.result()
|
||
> 0) {
|
||
Log.d(
|
||
Config.LOGTAG,
|
||
account.getJid().asBareJid()
|
||
+ ": our session lost tie break. automatically accepting their session. winning Session="
|
||
+ theirSessionId);
|
||
// TODO a retract for this reason should probably include some indication of
|
||
// tie break
|
||
retractSessionProposal(matchingSessionProposal.get());
|
||
final JingleRtpConnection rtpConnection =
|
||
new JingleRtpConnection(this, id, from);
|
||
this.connections.put(id, rtpConnection);
|
||
rtpConnection.setProposedMedia(ImmutableSet.copyOf(media));
|
||
rtpConnection.deliveryMessage(from, message, serverMsgId, timestamp);
|
||
} else {
|
||
Log.d(
|
||
Config.LOGTAG,
|
||
account.getJid().asBareJid()
|
||
+ ": our session won tie break. waiting for other party to accept. winningSession="
|
||
+ ourSessionId);
|
||
}
|
||
return;
|
||
}
|
||
final boolean stranger = isWithStrangerAndStrangerNotificationsAreOff(account, id.with);
|
||
if (isBusy() != null || stranger) {
|
||
writeLogMissedIncoming(account, id.with.asBareJid(), id.sessionId, serverMsgId, timestamp);
|
||
if (stranger) {
|
||
Log.d(
|
||
Config.LOGTAG,
|
||
id.account.getJid().asBareJid()
|
||
+ ": ignoring call proposal from stranger "
|
||
+ id.with);
|
||
return;
|
||
}
|
||
final int activeDevices = account.activeDevicesWithRtpCapability();
|
||
Log.d(Config.LOGTAG, "active devices with rtp capability: " + activeDevices);
|
||
if (activeDevices == 0) {
|
||
final MessagePacket reject =
|
||
mXmppConnectionService
|
||
.getMessageGenerator()
|
||
.sessionReject(from, sessionId);
|
||
mXmppConnectionService.sendMessagePacket(account, reject);
|
||
} else {
|
||
Log.d(
|
||
Config.LOGTAG,
|
||
id.account.getJid().asBareJid()
|
||
+ ": ignoring proposal because busy on this device but there are other devices");
|
||
}
|
||
} else {
|
||
final JingleRtpConnection rtpConnection =
|
||
new JingleRtpConnection(this, id, from);
|
||
this.connections.put(id, rtpConnection);
|
||
rtpConnection.setProposedMedia(ImmutableSet.copyOf(media));
|
||
rtpConnection.deliveryMessage(from, message, serverMsgId, timestamp);
|
||
}
|
||
} else {
|
||
Log.d(
|
||
Config.LOGTAG,
|
||
account.getJid().asBareJid()
|
||
+ ": unable to react to proposed session with "
|
||
+ rtpDescriptions.size()
|
||
+ " rtp descriptions of "
|
||
+ descriptions.size()
|
||
+ " total descriptions");
|
||
}
|
||
} else if (addressedDirectly && "proceed".equals(message.getName())) {
|
||
synchronized (rtpSessionProposals) {
|
||
final RtpSessionProposal proposal =
|
||
getRtpSessionProposal(account, from.asBareJid(), sessionId);
|
||
if (proposal != null) {
|
||
rtpSessionProposals.remove(proposal);
|
||
final JingleRtpConnection rtpConnection =
|
||
new JingleRtpConnection(this, id, account.getJid());
|
||
rtpConnection.setProposedMedia(proposal.media);
|
||
this.connections.put(id, rtpConnection);
|
||
rtpConnection.transitionOrThrow(AbstractJingleConnection.State.PROPOSED);
|
||
rtpConnection.deliveryMessage(from, message, serverMsgId, timestamp);
|
||
} else {
|
||
Log.d(
|
||
Config.LOGTAG,
|
||
account.getJid().asBareJid()
|
||
+ ": no rtp session proposal found for "
|
||
+ from
|
||
+ " to deliver proceed");
|
||
if (remoteMsgId == null) {
|
||
return;
|
||
}
|
||
final MessagePacket errorMessage = new MessagePacket();
|
||
errorMessage.setTo(from);
|
||
errorMessage.setId(remoteMsgId);
|
||
errorMessage.setType(MessagePacket.TYPE_ERROR);
|
||
final Element error = errorMessage.addChild("error");
|
||
error.setAttribute("code", "404");
|
||
error.setAttribute("type", "cancel");
|
||
error.addChild("item-not-found", "urn:ietf:params:xml:ns:xmpp-stanzas");
|
||
mXmppConnectionService.sendMessagePacket(account, errorMessage);
|
||
}
|
||
}
|
||
} else if (addressedDirectly && "reject".equals(message.getName())) {
|
||
final RtpSessionProposal proposal =
|
||
getRtpSessionProposal(account, from.asBareJid(), sessionId);
|
||
synchronized (rtpSessionProposals) {
|
||
if (proposal != null && rtpSessionProposals.remove(proposal) != null) {
|
||
writeLogMissedOutgoing(
|
||
account, proposal.with, proposal.sessionId, serverMsgId, timestamp);
|
||
toneManager.transition(RtpEndUserState.DECLINED_OR_BUSY, proposal.media);
|
||
mXmppConnectionService.notifyJingleRtpConnectionUpdate(
|
||
account,
|
||
proposal.with,
|
||
proposal.sessionId,
|
||
RtpEndUserState.DECLINED_OR_BUSY);
|
||
} else {
|
||
Log.d(
|
||
Config.LOGTAG,
|
||
account.getJid().asBareJid()
|
||
+ ": no rtp session proposal found for "
|
||
+ from
|
||
+ " to deliver reject");
|
||
}
|
||
}
|
||
} else {
|
||
Log.d(
|
||
Config.LOGTAG,
|
||
account.getJid().asBareJid()
|
||
+ ": retrieved out of order jingle message"
|
||
+ message);
|
||
}
|
||
}
|
||
|
||
private RtpSessionProposal getRtpSessionProposal(
|
||
final Account account, Jid from, String sessionId) {
|
||
for (RtpSessionProposal rtpSessionProposal : rtpSessionProposals.keySet()) {
|
||
if (rtpSessionProposal.sessionId.equals(sessionId)
|
||
&& rtpSessionProposal.with.equals(from)
|
||
&& rtpSessionProposal.account.getJid().equals(account.getJid())) {
|
||
return rtpSessionProposal;
|
||
}
|
||
}
|
||
return null;
|
||
}
|
||
|
||
private void writeLogMissedOutgoing(
|
||
final Account account,
|
||
Jid with,
|
||
final String sessionId,
|
||
String serverMsgId,
|
||
long timestamp) {
|
||
final Conversation conversation =
|
||
mXmppConnectionService.findOrCreateConversation(
|
||
account, with.asBareJid(), false, false);
|
||
final Message message =
|
||
new Message(conversation, Message.STATUS_SEND, Message.TYPE_RTP_SESSION, sessionId);
|
||
message.setBody(new RtpSessionStatus(false, 0).toString());
|
||
message.setServerMsgId(serverMsgId);
|
||
message.setTime(timestamp);
|
||
writeMessage(message);
|
||
}
|
||
|
||
private void writeLogMissedIncoming(
|
||
final Account account,
|
||
Jid with,
|
||
final String sessionId,
|
||
String serverMsgId,
|
||
long timestamp) {
|
||
final Conversation conversation =
|
||
mXmppConnectionService.findOrCreateConversation(
|
||
account, with.asBareJid(), false, false);
|
||
final Message message =
|
||
new Message(
|
||
conversation, Message.STATUS_RECEIVED, Message.TYPE_RTP_SESSION, sessionId);
|
||
message.setBody(new RtpSessionStatus(false, 0).toString());
|
||
message.setServerMsgId(serverMsgId);
|
||
message.setTime(timestamp);
|
||
writeMessage(message);
|
||
}
|
||
|
||
private void writeMessage(final Message message) {
|
||
final Conversational conversational = message.getConversation();
|
||
if (conversational instanceof Conversation) {
|
||
((Conversation) conversational).add(message);
|
||
mXmppConnectionService.databaseBackend.createMessage(message);
|
||
mXmppConnectionService.updateConversationUi();
|
||
} else {
|
||
throw new IllegalStateException("Somehow the conversation in a message was a stub");
|
||
}
|
||
}
|
||
|
||
public void startJingleFileTransfer(final Message message) {
|
||
Preconditions.checkArgument(
|
||
message.isFileOrImage(), "Message is not of type file or image");
|
||
final Transferable old = message.getTransferable();
|
||
if (old != null) {
|
||
old.cancel();
|
||
}
|
||
final Account account = message.getConversation().getAccount();
|
||
final AbstractJingleConnection.Id id = AbstractJingleConnection.Id.of(message);
|
||
final JingleFileTransferConnection connection =
|
||
new JingleFileTransferConnection(this, id, account.getJid());
|
||
mXmppConnectionService.markMessage(message, Message.STATUS_WAITING);
|
||
this.connections.put(id, connection);
|
||
connection.init(message);
|
||
}
|
||
|
||
public Optional<OngoingRtpSession> getOngoingRtpConnection(final Contact contact) {
|
||
for (final Map.Entry<AbstractJingleConnection.Id, AbstractJingleConnection> entry :
|
||
this.connections.entrySet()) {
|
||
if (entry.getValue() instanceof JingleRtpConnection) {
|
||
final AbstractJingleConnection.Id id = entry.getKey();
|
||
if (id.account == contact.getAccount()
|
||
&& id.with.asBareJid().equals(contact.getJid().asBareJid())) {
|
||
return Optional.of(id);
|
||
}
|
||
}
|
||
}
|
||
synchronized (this.rtpSessionProposals) {
|
||
for (Map.Entry<RtpSessionProposal, DeviceDiscoveryState> entry :
|
||
this.rtpSessionProposals.entrySet()) {
|
||
RtpSessionProposal proposal = entry.getKey();
|
||
if (proposal.account == contact.getAccount()
|
||
&& contact.getJid().asBareJid().equals(proposal.with)) {
|
||
final DeviceDiscoveryState preexistingState = entry.getValue();
|
||
if (preexistingState != null
|
||
&& preexistingState != DeviceDiscoveryState.FAILED) {
|
||
return Optional.of(proposal);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
return Optional.absent();
|
||
}
|
||
|
||
void finishConnection(final AbstractJingleConnection connection) {
|
||
this.connections.remove(connection.getId());
|
||
}
|
||
|
||
void finishConnectionOrThrow(final AbstractJingleConnection connection) {
|
||
final AbstractJingleConnection.Id id = connection.getId();
|
||
if (this.connections.remove(id) == null) {
|
||
throw new IllegalStateException(
|
||
String.format("Unable to finish connection with id=%s", id.toString()));
|
||
}
|
||
}
|
||
|
||
public boolean fireJingleRtpConnectionStateUpdates() {
|
||
boolean firedUpdates = false;
|
||
for (final AbstractJingleConnection connection : this.connections.values()) {
|
||
if (connection instanceof JingleRtpConnection) {
|
||
final JingleRtpConnection jingleRtpConnection = (JingleRtpConnection) connection;
|
||
if (jingleRtpConnection.isTerminated()) {
|
||
continue;
|
||
}
|
||
jingleRtpConnection.fireStateUpdate();
|
||
firedUpdates = true;
|
||
}
|
||
}
|
||
return firedUpdates;
|
||
}
|
||
|
||
void getPrimaryCandidate(
|
||
final Account account,
|
||
final boolean initiator,
|
||
final OnPrimaryCandidateFound listener) {
|
||
if (Config.DISABLE_PROXY_LOOKUP) {
|
||
listener.onPrimaryCandidateFound(false, null);
|
||
return;
|
||
}
|
||
if (!this.primaryCandidates.containsKey(account.getJid().asBareJid())) {
|
||
final Jid proxy =
|
||
account.getXmppConnection().findDiscoItemByFeature(Namespace.BYTE_STREAMS);
|
||
if (proxy != null) {
|
||
IqPacket iq = new IqPacket(IqPacket.TYPE.GET);
|
||
iq.setTo(proxy);
|
||
iq.query(Namespace.BYTE_STREAMS);
|
||
account.getXmppConnection()
|
||
.sendIqPacket(
|
||
iq,
|
||
new OnIqPacketReceived() {
|
||
|
||
@Override
|
||
public void onIqPacketReceived(
|
||
Account account, IqPacket packet) {
|
||
final Element streamhost =
|
||
packet.query()
|
||
.findChild(
|
||
"streamhost",
|
||
Namespace.BYTE_STREAMS);
|
||
final String host =
|
||
streamhost == null
|
||
? null
|
||
: streamhost.getAttribute("host");
|
||
final String port =
|
||
streamhost == null
|
||
? null
|
||
: streamhost.getAttribute("port");
|
||
if (host != null && port != null) {
|
||
try {
|
||
JingleCandidate candidate =
|
||
new JingleCandidate(nextRandomId(), true);
|
||
candidate.setHost(host);
|
||
candidate.setPort(Integer.parseInt(port));
|
||
candidate.setType(JingleCandidate.TYPE_PROXY);
|
||
candidate.setJid(proxy);
|
||
candidate.setPriority(
|
||
655360 + (initiator ? 30 : 0));
|
||
primaryCandidates.put(
|
||
account.getJid().asBareJid(), candidate);
|
||
listener.onPrimaryCandidateFound(true, candidate);
|
||
} catch (final NumberFormatException e) {
|
||
listener.onPrimaryCandidateFound(false, null);
|
||
}
|
||
} else {
|
||
listener.onPrimaryCandidateFound(false, null);
|
||
}
|
||
}
|
||
});
|
||
} else {
|
||
listener.onPrimaryCandidateFound(false, null);
|
||
}
|
||
|
||
} else {
|
||
listener.onPrimaryCandidateFound(
|
||
true, this.primaryCandidates.get(account.getJid().asBareJid()));
|
||
}
|
||
}
|
||
|
||
public void retractSessionProposal(final Account account, final Jid with) {
|
||
synchronized (this.rtpSessionProposals) {
|
||
RtpSessionProposal matchingProposal = null;
|
||
for (RtpSessionProposal proposal : this.rtpSessionProposals.keySet()) {
|
||
if (proposal.account == account && with.asBareJid().equals(proposal.with)) {
|
||
matchingProposal = proposal;
|
||
break;
|
||
}
|
||
}
|
||
if (matchingProposal != null) {
|
||
retractSessionProposal(matchingProposal);
|
||
}
|
||
}
|
||
}
|
||
|
||
private void retractSessionProposal(RtpSessionProposal rtpSessionProposal) {
|
||
final Account account = rtpSessionProposal.account;
|
||
toneManager.transition(RtpEndUserState.ENDED, rtpSessionProposal.media);
|
||
Log.d(
|
||
Config.LOGTAG,
|
||
account.getJid().asBareJid()
|
||
+ ": retracting rtp session proposal with "
|
||
+ rtpSessionProposal.with);
|
||
this.rtpSessionProposals.remove(rtpSessionProposal);
|
||
final MessagePacket messagePacket =
|
||
mXmppConnectionService.getMessageGenerator().sessionRetract(rtpSessionProposal);
|
||
writeLogMissedOutgoing(
|
||
account,
|
||
rtpSessionProposal.with,
|
||
rtpSessionProposal.sessionId,
|
||
null,
|
||
System.currentTimeMillis());
|
||
mXmppConnectionService.sendMessagePacket(account, messagePacket);
|
||
}
|
||
|
||
public String initializeRtpSession(
|
||
final Account account, final Jid with, final Set<Media> media) {
|
||
final AbstractJingleConnection.Id id = AbstractJingleConnection.Id.of(account, with);
|
||
final JingleRtpConnection rtpConnection =
|
||
new JingleRtpConnection(this, id, account.getJid());
|
||
rtpConnection.setProposedMedia(media);
|
||
this.connections.put(id, rtpConnection);
|
||
rtpConnection.sendSessionInitiate();
|
||
return id.sessionId;
|
||
}
|
||
|
||
public String proposeJingleRtpSession(final Account account, final Jid with, final Set<Media> media) {
|
||
synchronized (this.rtpSessionProposals) {
|
||
for (Map.Entry<RtpSessionProposal, DeviceDiscoveryState> entry :
|
||
this.rtpSessionProposals.entrySet()) {
|
||
RtpSessionProposal proposal = entry.getKey();
|
||
if (proposal.account == account && with.asBareJid().equals(proposal.with)) {
|
||
final DeviceDiscoveryState preexistingState = entry.getValue();
|
||
if (preexistingState != null
|
||
&& preexistingState != DeviceDiscoveryState.FAILED) {
|
||
final RtpEndUserState endUserState = preexistingState.toEndUserState();
|
||
toneManager.transition(endUserState, media);
|
||
mXmppConnectionService.notifyJingleRtpConnectionUpdate(
|
||
account,
|
||
with,
|
||
proposal.sessionId,
|
||
endUserState
|
||
);
|
||
return proposal.sessionId;
|
||
}
|
||
}
|
||
}
|
||
String busyCode = isBusy();
|
||
if (busyCode != null) {
|
||
String sessionId = hasMatchingRtpSession(account, with, media);
|
||
if (sessionId != null) {
|
||
Log.d(Config.LOGTAG, "ignoring request to propose jingle session because the other party already created one for us: " + sessionId);
|
||
return sessionId;
|
||
}
|
||
throw new IllegalStateException("There is already a running RTP session: " + busyCode);
|
||
}
|
||
final RtpSessionProposal proposal =
|
||
RtpSessionProposal.of(account, with.asBareJid(), media);
|
||
this.rtpSessionProposals.put(proposal, DeviceDiscoveryState.SEARCHING);
|
||
mXmppConnectionService.notifyJingleRtpConnectionUpdate(
|
||
account, proposal.with, proposal.sessionId, RtpEndUserState.FINDING_DEVICE);
|
||
final MessagePacket messagePacket =
|
||
mXmppConnectionService.getMessageGenerator().sessionProposal(proposal);
|
||
mXmppConnectionService.sendMessagePacket(account, messagePacket);
|
||
return proposal.sessionId;
|
||
}
|
||
}
|
||
|
||
public boolean hasMatchingProposal(final Account account, final Jid with) {
|
||
synchronized (this.rtpSessionProposals) {
|
||
for (Map.Entry<RtpSessionProposal, DeviceDiscoveryState> entry :
|
||
this.rtpSessionProposals.entrySet()) {
|
||
final RtpSessionProposal proposal = entry.getKey();
|
||
if (proposal.account == account && with.asBareJid().equals(proposal.with)) {
|
||
return true;
|
||
}
|
||
}
|
||
}
|
||
return false;
|
||
}
|
||
|
||
public void deliverIbbPacket(Account account, IqPacket packet) {
|
||
final String sid;
|
||
final Element payload;
|
||
if (packet.hasChild("open", Namespace.IBB)) {
|
||
payload = packet.findChild("open", Namespace.IBB);
|
||
sid = payload.getAttribute("sid");
|
||
} else if (packet.hasChild("data", Namespace.IBB)) {
|
||
payload = packet.findChild("data", Namespace.IBB);
|
||
sid = payload.getAttribute("sid");
|
||
} else if (packet.hasChild("close", Namespace.IBB)) {
|
||
payload = packet.findChild("close", Namespace.IBB);
|
||
sid = payload.getAttribute("sid");
|
||
} else {
|
||
payload = null;
|
||
sid = null;
|
||
}
|
||
if (sid != null) {
|
||
for (final AbstractJingleConnection connection : this.connections.values()) {
|
||
if (connection instanceof JingleFileTransferConnection) {
|
||
final JingleFileTransferConnection fileTransfer =
|
||
(JingleFileTransferConnection) connection;
|
||
final JingleTransport transport = fileTransfer.getTransport();
|
||
if (transport instanceof JingleInBandTransport) {
|
||
final JingleInBandTransport inBandTransport =
|
||
(JingleInBandTransport) transport;
|
||
if (inBandTransport.matches(account, sid)) {
|
||
inBandTransport.deliverPayload(packet, payload);
|
||
}
|
||
return;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
Log.d(Config.LOGTAG, "unable to deliver ibb packet: " + packet.toString());
|
||
account.getXmppConnection()
|
||
.sendIqPacket(packet.generateResponse(IqPacket.TYPE.ERROR), null);
|
||
}
|
||
|
||
public void notifyRebound(final Account account) {
|
||
for (final AbstractJingleConnection connection : this.connections.values()) {
|
||
connection.notifyRebound();
|
||
}
|
||
final XmppConnection xmppConnection = account.getXmppConnection();
|
||
if (xmppConnection != null && xmppConnection.getFeatures().sm()) {
|
||
resendSessionProposals(account);
|
||
}
|
||
}
|
||
|
||
public WeakReference<JingleRtpConnection> findJingleRtpConnection(
|
||
Account account, Jid with, String sessionId) {
|
||
final AbstractJingleConnection.Id id =
|
||
AbstractJingleConnection.Id.of(account, with, sessionId);
|
||
final AbstractJingleConnection connection = connections.get(id);
|
||
if (connection instanceof JingleRtpConnection) {
|
||
return new WeakReference<>((JingleRtpConnection) connection);
|
||
}
|
||
return null;
|
||
}
|
||
|
||
private void resendSessionProposals(final Account account) {
|
||
synchronized (this.rtpSessionProposals) {
|
||
for (final Map.Entry<RtpSessionProposal, DeviceDiscoveryState> entry :
|
||
this.rtpSessionProposals.entrySet()) {
|
||
final RtpSessionProposal proposal = entry.getKey();
|
||
if (entry.getValue() == DeviceDiscoveryState.SEARCHING
|
||
&& proposal.account == account) {
|
||
Log.d(
|
||
Config.LOGTAG,
|
||
account.getJid().asBareJid()
|
||
+ ": resending session proposal to "
|
||
+ proposal.with);
|
||
final MessagePacket messagePacket =
|
||
mXmppConnectionService.getMessageGenerator().sessionProposal(proposal);
|
||
mXmppConnectionService.sendMessagePacket(account, messagePacket);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
public void updateProposedSessionDiscovered(
|
||
Account account, Jid from, String sessionId, final DeviceDiscoveryState target) {
|
||
synchronized (this.rtpSessionProposals) {
|
||
final RtpSessionProposal sessionProposal =
|
||
getRtpSessionProposal(account, from.asBareJid(), sessionId);
|
||
final DeviceDiscoveryState currentState =
|
||
sessionProposal == null ? null : rtpSessionProposals.get(sessionProposal);
|
||
if (currentState == null) {
|
||
Log.d(Config.LOGTAG, "unable to find session proposal for session id " + sessionId);
|
||
return;
|
||
}
|
||
if (currentState == DeviceDiscoveryState.DISCOVERED) {
|
||
Log.d(
|
||
Config.LOGTAG,
|
||
"session proposal already at discovered. not going to fall back");
|
||
return;
|
||
}
|
||
this.rtpSessionProposals.put(sessionProposal, target);
|
||
final RtpEndUserState endUserState = target.toEndUserState();
|
||
toneManager.transition(endUserState, sessionProposal.media);
|
||
mXmppConnectionService.notifyJingleRtpConnectionUpdate(
|
||
account, sessionProposal.with, sessionProposal.sessionId, endUserState);
|
||
Log.d(
|
||
Config.LOGTAG,
|
||
account.getJid().asBareJid()
|
||
+ ": flagging session "
|
||
+ sessionId
|
||
+ " as "
|
||
+ target);
|
||
}
|
||
}
|
||
|
||
public void rejectRtpSession(final String sessionId) {
|
||
for (final AbstractJingleConnection connection : this.connections.values()) {
|
||
if (connection.getId().sessionId.equals(sessionId)) {
|
||
if (connection instanceof JingleRtpConnection) {
|
||
((JingleRtpConnection) connection).rejectCall();
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
public void endRtpSession(final String sessionId) {
|
||
for (final AbstractJingleConnection connection : this.connections.values()) {
|
||
if (connection.getId().sessionId.equals(sessionId)) {
|
||
if (connection instanceof JingleRtpConnection) {
|
||
((JingleRtpConnection) connection).endCall();
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
public void failProceed(Account account, final Jid with, String sessionId) {
|
||
final AbstractJingleConnection.Id id =
|
||
AbstractJingleConnection.Id.of(account, with, sessionId);
|
||
final AbstractJingleConnection existingJingleConnection = connections.get(id);
|
||
if (existingJingleConnection instanceof JingleRtpConnection) {
|
||
((JingleRtpConnection) existingJingleConnection).deliverFailedProceed();
|
||
}
|
||
}
|
||
|
||
void ensureConnectionIsRegistered(final AbstractJingleConnection connection) {
|
||
if (connections.containsValue(connection)) {
|
||
return;
|
||
}
|
||
final IllegalStateException e =
|
||
new IllegalStateException(
|
||
"JingleConnection has not been registered with connection manager");
|
||
Log.e(Config.LOGTAG, "ensureConnectionIsRegistered() failed. Going to throw", e);
|
||
throw e;
|
||
}
|
||
|
||
void setTerminalSessionState(
|
||
AbstractJingleConnection.Id id, final RtpEndUserState state, final Set<Media> media) {
|
||
this.terminatedSessions.put(
|
||
PersistableSessionId.of(id), new TerminatedRtpSession(state, media));
|
||
}
|
||
|
||
public TerminatedRtpSession getTerminalSessionState(final Jid with, final String sessionId) {
|
||
return this.terminatedSessions.getIfPresent(new PersistableSessionId(with, sessionId));
|
||
}
|
||
|
||
private static class PersistableSessionId {
|
||
private final Jid with;
|
||
private final String sessionId;
|
||
|
||
private PersistableSessionId(Jid with, String sessionId) {
|
||
this.with = with;
|
||
this.sessionId = sessionId;
|
||
}
|
||
|
||
public static PersistableSessionId of(AbstractJingleConnection.Id id) {
|
||
return new PersistableSessionId(id.with, id.sessionId);
|
||
}
|
||
|
||
@Override
|
||
public boolean equals(Object o) {
|
||
if (this == o) return true;
|
||
if (o == null || getClass() != o.getClass()) return false;
|
||
PersistableSessionId that = (PersistableSessionId) o;
|
||
return Objects.equal(with, that.with) && Objects.equal(sessionId, that.sessionId);
|
||
}
|
||
|
||
@Override
|
||
public int hashCode() {
|
||
return Objects.hashCode(with, sessionId);
|
||
}
|
||
}
|
||
|
||
public static class TerminatedRtpSession {
|
||
public final RtpEndUserState state;
|
||
public final Set<Media> media;
|
||
|
||
TerminatedRtpSession(RtpEndUserState state, Set<Media> media) {
|
||
this.state = state;
|
||
this.media = media;
|
||
}
|
||
}
|
||
|
||
public enum DeviceDiscoveryState {
|
||
SEARCHING,
|
||
SEARCHING_ACKNOWLEDGED,
|
||
DISCOVERED,
|
||
FAILED;
|
||
|
||
public RtpEndUserState toEndUserState() {
|
||
switch (this) {
|
||
case SEARCHING:
|
||
case SEARCHING_ACKNOWLEDGED:
|
||
return RtpEndUserState.FINDING_DEVICE;
|
||
case DISCOVERED:
|
||
return RtpEndUserState.RINGING;
|
||
default:
|
||
return RtpEndUserState.CONNECTIVITY_ERROR;
|
||
}
|
||
}
|
||
}
|
||
|
||
public static class RtpSessionProposal implements OngoingRtpSession {
|
||
public final Jid with;
|
||
public final String sessionId;
|
||
public final Set<Media> media;
|
||
private final Account account;
|
||
|
||
private RtpSessionProposal(Account account, Jid with, String sessionId) {
|
||
this(account, with, sessionId, Collections.emptySet());
|
||
}
|
||
|
||
private RtpSessionProposal(Account account, Jid with, String sessionId, Set<Media> media) {
|
||
this.account = account;
|
||
this.with = with;
|
||
this.sessionId = sessionId;
|
||
this.media = media;
|
||
}
|
||
|
||
public static RtpSessionProposal of(Account account, Jid with, Set<Media> media) {
|
||
return new RtpSessionProposal(account, with, nextRandomId(), media);
|
||
}
|
||
|
||
@Override
|
||
public boolean equals(Object o) {
|
||
if (this == o) return true;
|
||
if (o == null || getClass() != o.getClass()) return false;
|
||
RtpSessionProposal proposal = (RtpSessionProposal) o;
|
||
return Objects.equal(account.getJid(), proposal.account.getJid())
|
||
&& Objects.equal(with, proposal.with)
|
||
&& Objects.equal(sessionId, proposal.sessionId);
|
||
}
|
||
|
||
@Override
|
||
public int hashCode() {
|
||
return Objects.hashCode(account.getJid(), with, sessionId);
|
||
}
|
||
|
||
@Override
|
||
public Account getAccount() {
|
||
return account;
|
||
}
|
||
|
||
@Override
|
||
public Jid getWith() {
|
||
return with;
|
||
}
|
||
|
||
@Override
|
||
public String getSessionId() {
|
||
return sessionId;
|
||
}
|
||
}
|
||
}
|