public void processSubscribe(Request request, ServerTransaction serverTransaction) {
logger.debug("Processing SUBSCRIBE in progress ");
try {
MessageFactory messageFactory = imUA.getMessageFactory();
HeaderFactory headerFactory = imUA.getHeaderFactory();
AddressFactory addressFactory = imUA.getAddressFactory();
Dialog dialog = serverTransaction.getDialog();
// ********** Terminating subscriptions **********
ExpiresHeader expiresHeader = (ExpiresHeader) request.getHeader(ExpiresHeader.NAME);
if (expiresHeader != null && expiresHeader.getExpires() == 0) {
if (dialog != null) {
// Terminating an existing subscription
Response response = messageFactory.createResponse(Response.OK, request);
serverTransaction.sendResponse(response);
IMNotifyProcessing imNotifyProcessing = imUA.getIMNotifyProcessing();
imNotifyProcessing.sendNotify(response, null, dialog);
return;
} else {
// Terminating an non existing subscription
Response response =
messageFactory.createResponse(Response.CALL_OR_TRANSACTION_DOES_NOT_EXIST, request);
serverTransaction.sendResponse(response);
return;
}
}
// ********** Non-terminating subscriptions ************
// send a 202 Accepted while waiting for authorization from user
Response response = messageFactory.createResponse(Response.ACCEPTED, request);
// Tag:
ToHeader toHeader = (ToHeader) response.getHeader(ToHeader.NAME);
if (toHeader.getTag() == null)
toHeader.setTag(new Integer((int) (Math.random() * 10000)).toString());
serverTransaction.sendResponse(response);
logger.debug(response.toString());
// We have to ask the user to authorize the guy to be in his buddy
// list
String presentityURL = IMUtilities.getKey(request, "From");
SipProvider sipProvider = imUA.getSipProvider();
InstantMessagingGUI imGUI = imUA.getInstantMessagingGUI();
boolean authorization = imGUI.getAuthorizationForBuddy(presentityURL);
if (authorization) {
logger.debug(
"DEBUG: SubscribeProcessing, processSubscribe(), " + " Response 202 Accepted sent.");
// We have to create or update the subscriber!
PresenceManager presenceManager = imUA.getPresenceManager();
String subscriberURL = IMUtilities.getKey(request, "From");
if (dialog != null) presenceManager.addSubscriber(subscriberURL, response, dialog);
else {
logger.debug(
"ERROR, IMSubscribeProcessing, processSubscribe(), the"
+ " dialog for the SUBSCRIBE we received is null!!! No subscriber added....");
return;
}
// Let's see if this buddy is in our buddy list
// if not let's ask to add him!
BuddyList buddyList = imGUI.getBuddyList();
ListenerInstantMessaging listenerIM = imGUI.getListenerInstantMessaging();
if (!buddyList.hasBuddy(subscriberURL)) {
// Let's ask:
listenerIM.addContact(subscriberURL);
}
/** ********************** send NOTIFY ************************* */
// We send a NOTIFY for any of our status but offline
String localStatus = listenerIM.getLocalStatus();
if (!localStatus.equals("offline")) {
IMNotifyProcessing imNotifyProcessing = imUA.getIMNotifyProcessing();
Subscriber subscriber = presenceManager.getSubscriber(subscriberURL);
// Response okSent=subscriber.getOkSent();
subscriberURL = subscriber.getSubscriberName();
String contactAddress = imUA.getIMAddress() + ":" + imUA.getIMPort();
String subStatus = listenerIM.getLocalStatus();
String status = null;
if (subStatus.equals("offline")) status = "closed";
else status = "open";
String xmlBody =
imNotifyProcessing.xmlPidfParser.createXMLBody(
status, subStatus, subscriberURL, contactAddress);
imNotifyProcessing.sendNotify(response, xmlBody, dialog);
}
} else {
// User did not authorize subscription. Terminate it!
logger.debug(
"DEBUG, IMSubsribeProcessing, processSubscribe(), " + " Subscription declined!");
logger.debug(
"DEBUG, IMSubsribeProcessing, processSubscribe(), "
+ " Sending a Notify with Subscribe-state=terminated");
IMNotifyProcessing imNotifyProcessing = imUA.getIMNotifyProcessing();
if (dialog != null) {
imNotifyProcessing.sendNotify(response, null, dialog);
logger.debug(
"DEBUG, IMSubsribeProcessing, processSubscribe(), "
+ " Sending a Notify with Subscribe-state=terminated");
} else {
logger.debug(
"ERROR, IMSubscribeProcessing, processSubscribe(), the"
+ " dialog for the SUBSCRIBE we received is null!!! \n"
+ " No terminating Notify sent");
}
imNotifyProcessing.sendNotify(response, null, dialog);
}
} catch (Exception ex) {
ex.printStackTrace();
}
}
@Override
public void run() {
try {
logger.logEntry();
// From
FromHeader fromHeader = null;
try {
// this keep alive task only makes sense in case we have
// a registrar so we deliberately use our AOR and do not
// use the getOurSipAddress() method.
fromHeader =
provider
.getHeaderFactory()
.createFromHeader(
provider.getRegistrarConnection().getAddressOfRecord(),
SipMessageFactory.generateLocalTag());
} catch (ParseException ex) {
// this should never happen so let's just log and bail.
logger.error("Failed to generate a from header for " + "our register request.", ex);
return;
}
// Call ID Header
CallIdHeader callIdHeader = provider.getDefaultJainSipProvider().getNewCallId();
// CSeq Header
CSeqHeader cSeqHeader = null;
try {
cSeqHeader =
provider.getHeaderFactory().createCSeqHeader(getNextCSeqValue(), Request.OPTIONS);
} catch (ParseException ex) {
// Should never happen
logger.error("Corrupt Sip Stack", ex);
return;
} catch (InvalidArgumentException ex) {
// Should never happen
logger.error("The application is corrupt", ex);
return;
}
// To Header
ToHeader toHeader = null;
try {
// this request isn't really going anywhere so we put our
// own address in the To Header.
toHeader = provider.getHeaderFactory().createToHeader(fromHeader.getAddress(), null);
} catch (ParseException ex) {
logger.error("Could not create a To header for address:" + fromHeader.getAddress(), ex);
return;
}
// MaxForwardsHeader
MaxForwardsHeader maxForwardsHeader = provider.getMaxForwardsHeader();
// Request
Request request = null;
try {
// create a host-only uri for the request uri header.
String domain = ((SipURI) toHeader.getAddress().getURI()).getHost();
// request URI
SipURI requestURI = provider.getAddressFactory().createSipURI(null, domain);
// Via Headers
ArrayList<ViaHeader> viaHeaders = provider.getLocalViaHeaders(requestURI);
request =
provider
.getMessageFactory()
.createRequest(
requestURI,
Request.OPTIONS,
callIdHeader,
cSeqHeader,
fromHeader,
toHeader,
viaHeaders,
maxForwardsHeader);
if (logger.isDebugEnabled()) logger.debug("Created OPTIONS request " + request);
} catch (ParseException ex) {
logger.error("Could not create an OPTIONS request!", ex);
return;
}
Iterator<String> supportedMethods = provider.getSupportedMethods().iterator();
// add to the allows header all methods that we support
while (supportedMethods.hasNext()) {
String method = supportedMethods.next();
// don't support REGISTERs
if (method.equals(Request.REGISTER)) continue;
request.addHeader(provider.getHeaderFactory().createAllowHeader(method));
}
Iterator<String> events = provider.getKnownEventsList().iterator();
synchronized (provider.getKnownEventsList()) {
while (events.hasNext()) {
String event = events.next();
request.addHeader(provider.getHeaderFactory().createAllowEventsHeader(event));
}
}
// Transaction
ClientTransaction optionsTrans = null;
try {
optionsTrans = provider.getDefaultJainSipProvider().getNewClientTransaction(request);
} catch (TransactionUnavailableException ex) {
logger.error("Could not create options transaction!\n", ex);
return;
}
try {
optionsTrans.sendRequest();
if (logger.isDebugEnabled()) logger.debug("sent request= " + request);
} catch (SipException ex) {
logger.error("Could not send out the options request!", ex);
if (ex.getCause() instanceof IOException) {
// IOException problem with network
disconnect();
}
return;
}
} catch (Exception ex) {
logger.error("Cannot send OPTIONS keep alive", ex);
}
}