/**
     * Attempts to re-generate the corresponding request with the proper credentials.
     *
     * @param clientTransaction the corresponding transaction
     * @param response the challenge
     * @param jainSipProvider the provider that received the challenge
     * @throws OperationFailedException if processing the authentication challenge fails.
     */
    private void processAuthenticationChallenge(
        ClientTransaction clientTransaction, Response response, SipProvider jainSipProvider)
        throws OperationFailedException {
      try {
        if (logger.isDebugEnabled()) logger.debug("Authenticating a message request.");

        ClientTransaction retryTran = null;

        // we synch here to protect seqN increment
        synchronized (this) {
          retryTran =
              sipProvider
                  .getSipSecurityManager()
                  .handleChallenge(response, clientTransaction, jainSipProvider, seqN++);
        }

        if (retryTran == null) {
          if (logger.isTraceEnabled()) logger.trace("No password supplied or error occured!");
          return;
        }

        retryTran.sendRequest();
        return;
      } catch (Exception exc) {
        logger.error("We failed to authenticate a message request.", exc);

        throw new OperationFailedException(
            "Failed to authenticate" + "a message request",
            OperationFailedException.INTERNAL_ERROR,
            exc);
      }
    }
  /**
   * Sends <tt>messageRequest</tt> to the specified destination and logs <tt>messageContent</tt> for
   * later use.
   *
   * @param messageRequest the <tt>SipRequest</tt> that we are about to send.
   * @param to the Contact that we are sending <tt>messageRequest</tt> to.
   * @param messageContent the SC <tt>Message</tt> that was used to create the <tt>Request</tt> .
   * @throws TransactionUnavailableException if we fail creating the transaction required to send
   *     <tt>messageRequest</tt>.
   * @throws SipException if we fail sending <tt>messageRequest</tt>.
   */
  void sendMessageRequest(Request messageRequest, Contact to, Message messageContent)
      throws TransactionUnavailableException, SipException {
    // Transaction
    ClientTransaction messageTransaction;
    SipProvider jainSipProvider = this.sipProvider.getDefaultJainSipProvider();

    messageTransaction = jainSipProvider.getNewClientTransaction(messageRequest);

    // send the message
    messageTransaction.sendRequest();

    // we register the reference to this message to retrieve it when
    // we'll receive the response message
    String key = ((CallIdHeader) messageRequest.getHeader(CallIdHeader.NAME)).getCallId();

    this.sentMsg.put(key, messageContent);
  }
Пример #3
0
    @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);
      }
    }