Examples with SIPRequest gov.nist.javax.sip.message.SIPRequest used on opensource projects

Example 21 with SIPRequest

use of gov.nist.javax.sip.message.SIPRequest in project XobotOS by xamarin.

the class SipProviderImpl method sendRequest.

/*
     * (non-Javadoc)
     *
     * @see javax.sip.SipProvider#sendRequest(javax.sip.message.Request)
     */
public void sendRequest(Request request) throws SipException {
    if (!sipStack.isAlive())
        throw new SipException("Stack is stopped.");
    // message.
    if (((SIPRequest) request).getRequestLine() != null && request.getMethod().equals(Request.ACK)) {
        Dialog dialog = sipStack.getDialog(((SIPRequest) request).getDialogId(false));
        if (dialog != null && dialog.getState() != null) {
            if (sipStack.isLoggingEnabled())
                sipStack.getStackLogger().logWarning("Dialog exists -- you may want to use Dialog.sendAck() " + dialog.getState());
        }
    }
    Hop hop = sipStack.getRouter((SIPRequest) request).getNextHop(request);
    if (hop == null)
        throw new SipException("could not determine next hop!");
    SIPRequest sipRequest = (SIPRequest) request;
    // Null request is used to send default proxy keepalive messages.
    if ((!sipRequest.isNullRequest()) && sipRequest.getTopmostVia() == null)
        throw new SipException("Invalid SipRequest -- no via header!");
    try {
        /*
             * JvB: Via branch should already be OK, dont touch it here? Some
             * apps forward statelessly, and then it's not set. So set only when
             * not set already, dont overwrite CANCEL branch here..
             */
        if (!sipRequest.isNullRequest()) {
            Via via = sipRequest.getTopmostVia();
            String branch = via.getBranch();
            if (branch == null || branch.length() == 0) {
                via.setBranch(sipRequest.getTransactionId());
            }
        }
        MessageChannel messageChannel = null;
        if (this.listeningPoints.containsKey(hop.getTransport().toUpperCase()))
            messageChannel = sipStack.createRawMessageChannel(this.getListeningPoint(hop.getTransport()).getIPAddress(), this.getListeningPoint(hop.getTransport()).getPort(), hop);
        if (messageChannel != null) {
            messageChannel.sendMessage((SIPMessage) sipRequest, hop);
        } else {
            throw new SipException("Could not create a message channel for " + hop.toString());
        }
    } catch (IOException ex) {
        if (sipStack.isLoggingEnabled()) {
            sipStack.getStackLogger().logException(ex);
        }
        throw new SipException("IO Exception occured while Sending Request", ex);
    } catch (ParseException ex1) {
        InternalErrorHandler.handleException(ex1);
    } finally {
        if (sipStack.isLoggingEnabled())
            sipStack.getStackLogger().logDebug("done sending " + request.getMethod() + " to hop " + hop);
    }
}

Example 22 with SIPRequest

use of gov.nist.javax.sip.message.SIPRequest in project XobotOS by xamarin.

the class AuthenticationHelperImpl method handleChallenge.

/*
     * (non-Javadoc)
     *
     * @see gov.nist.javax.sip.clientauthutils.AuthenticationHelper#handleChallenge(javax.sip.message.Response,
     *      javax.sip.ClientTransaction, javax.sip.SipProvider)
     */
public ClientTransaction handleChallenge(Response challenge, ClientTransaction challengedTransaction, SipProvider transactionCreator, int cacheTime) throws SipException, NullPointerException {
    try {
        if (sipStack.isLoggingEnabled()) {
            sipStack.getStackLogger().logDebug("handleChallenge: " + challenge);
        }
        SIPRequest challengedRequest = ((SIPRequest) challengedTransaction.getRequest());
        Request reoriginatedRequest = null;
        /*
             * If the challenged request is part of a Dialog and the
             * Dialog is confirmed the re-originated request should be
             * generated as an in-Dialog request.
             */
        if (challengedRequest.getToTag() != null || challengedTransaction.getDialog() == null || challengedTransaction.getDialog().getState() != DialogState.CONFIRMED) {
            reoriginatedRequest = (Request) challengedRequest.clone();
        } else {
            /*
                 * Re-originate the request by consulting the dialog. In particular
                 * the route set could change between the original request and the 
                 * in-dialog challenge.
                 */
            reoriginatedRequest = challengedTransaction.getDialog().createRequest(challengedRequest.getMethod());
            Iterator<String> headerNames = challengedRequest.getHeaderNames();
            while (headerNames.hasNext()) {
                String headerName = headerNames.next();
                if (reoriginatedRequest.getHeader(headerName) != null) {
                    ListIterator<Header> iterator = reoriginatedRequest.getHeaders(headerName);
                    while (iterator.hasNext()) {
                        reoriginatedRequest.addHeader(iterator.next());
                    }
                }
            }
        }
        // remove the branch id so that we could use the request in a new
        // transaction
        removeBranchID(reoriginatedRequest);
        if (challenge == null || reoriginatedRequest == null) {
            throw new NullPointerException("A null argument was passed to handle challenge.");
        }
        ListIterator authHeaders = null;
        if (challenge.getStatusCode() == Response.UNAUTHORIZED) {
            authHeaders = challenge.getHeaders(WWWAuthenticateHeader.NAME);
        } else if (challenge.getStatusCode() == Response.PROXY_AUTHENTICATION_REQUIRED) {
            authHeaders = challenge.getHeaders(ProxyAuthenticateHeader.NAME);
        } else {
            throw new IllegalArgumentException("Unexpected status code ");
        }
        if (authHeaders == null) {
            throw new IllegalArgumentException("Could not find WWWAuthenticate or ProxyAuthenticate headers");
        }
        // Remove all authorization headers from the request (we'll re-add them
        // from cache)
        reoriginatedRequest.removeHeader(AuthorizationHeader.NAME);
        reoriginatedRequest.removeHeader(ProxyAuthorizationHeader.NAME);
        // rfc 3261 says that the cseq header should be augmented for the new
        // request. do it here so that the new dialog (created together with
        // the new client transaction) takes it into account.
        // Bug report - Fredrik Wickstrom
        CSeqHeader cSeq = (CSeqHeader) reoriginatedRequest.getHeader((CSeqHeader.NAME));
        try {
            cSeq.setSeqNumber(cSeq.getSeqNumber() + 1l);
        } catch (InvalidArgumentException ex) {
            throw new SipException("Invalid CSeq -- could not increment : " + cSeq.getSeqNumber());
        }
        /* Resolve this to the next hop based on the previous lookup. If we are not using
             * lose routing (RFC2543) then just attach hop as a maddr param.
             */
        if (challengedRequest.getRouteHeaders() == null) {
            Hop hop = ((SIPClientTransaction) challengedTransaction).getNextHop();
            SipURI sipUri = (SipURI) reoriginatedRequest.getRequestURI();
            // BEGIN android-added
            if (!hop.getHost().equalsIgnoreCase(sipUri.getHost()) && !hop.equals(sipStack.getRouter(challengedRequest).getOutboundProxy()))
                // END android-added
                sipUri.setMAddrParam(hop.getHost());
            if (hop.getPort() != -1)
                sipUri.setPort(hop.getPort());
        }
        ClientTransaction retryTran = transactionCreator.getNewClientTransaction(reoriginatedRequest);
        WWWAuthenticateHeader authHeader = null;
        SipURI requestUri = (SipURI) challengedTransaction.getRequest().getRequestURI();
        while (authHeaders.hasNext()) {
            authHeader = (WWWAuthenticateHeader) authHeaders.next();
            String realm = authHeader.getRealm();
            AuthorizationHeader authorization = null;
            String sipDomain;
            if (this.accountManager instanceof SecureAccountManager) {
                UserCredentialHash credHash = ((SecureAccountManager) this.accountManager).getCredentialHash(challengedTransaction, realm);
                URI uri = reoriginatedRequest.getRequestURI();
                sipDomain = credHash.getSipDomain();
                authorization = this.getAuthorization(reoriginatedRequest.getMethod(), uri.toString(), (reoriginatedRequest.getContent() == null) ? "" : new String(reoriginatedRequest.getRawContent()), authHeader, credHash);
            } else {
                UserCredentials userCreds = ((AccountManager) this.accountManager).getCredentials(challengedTransaction, realm);
                sipDomain = userCreds.getSipDomain();
                if (userCreds == null)
                    throw new SipException("Cannot find user creds for the given user name and realm");
                // we haven't yet authenticated this realm since we were
                // started.
                authorization = this.getAuthorization(reoriginatedRequest.getMethod(), reoriginatedRequest.getRequestURI().toString(), (reoriginatedRequest.getContent() == null) ? "" : new String(reoriginatedRequest.getRawContent()), authHeader, userCreds);
            }
            if (sipStack.isLoggingEnabled())
                sipStack.getStackLogger().logDebug("Created authorization header: " + authorization.toString());
            if (cacheTime != 0)
                cachedCredentials.cacheAuthorizationHeader(sipDomain, authorization, cacheTime);
            reoriginatedRequest.addHeader(authorization);
        }
        if (sipStack.isLoggingEnabled()) {
            sipStack.getStackLogger().logDebug("Returning authorization transaction." + retryTran);
        }
        return retryTran;
    } catch (SipException ex) {
        throw ex;
    } catch (Exception ex) {
        sipStack.getStackLogger().logError("Unexpected exception ", ex);
        throw new SipException("Unexpected exception ", ex);
    }
}

Example 23 with SIPRequest

use of gov.nist.javax.sip.message.SIPRequest in project XobotOS by xamarin.

the class SipProviderImpl method getNewServerTransaction.

/*
     * (non-Javadoc)
     *
     * @see javax.sip.SipProvider#getNewServerTransaction(javax.sip.message.Request)
     */
public ServerTransaction getNewServerTransaction(Request request) throws TransactionAlreadyExistsException, TransactionUnavailableException {
    if (!sipStack.isAlive())
        throw new TransactionUnavailableException("Stack is stopped");
    SIPServerTransaction transaction = null;
    SIPRequest sipRequest = (SIPRequest) request;
    try {
        sipRequest.checkHeaders();
    } catch (ParseException ex) {
        throw new TransactionUnavailableException(ex.getMessage(), ex);
    }
    if (request.getMethod().equals(Request.ACK)) {
        if (sipStack.isLoggingEnabled())
            sipStack.getStackLogger().logError("Creating server transaction for ACK -- makes no sense!");
        throw new TransactionUnavailableException("Cannot create Server transaction for ACK ");
    }
    /*
         * Got a notify.
         */
    if (sipRequest.getMethod().equals(Request.NOTIFY) && sipRequest.getFromTag() != null && sipRequest.getToTag() == null) {
        SIPClientTransaction ct = sipStack.findSubscribeTransaction(sipRequest, (ListeningPointImpl) this.getListeningPoint());
        /* Issue 104 */
        if (ct == null && !sipStack.deliverUnsolicitedNotify) {
            throw new TransactionUnavailableException("Cannot find matching Subscription (and gov.nist.javax.sip.DELIVER_UNSOLICITED_NOTIFY not set)");
        }
    }
    if (!sipStack.acquireSem()) {
        throw new TransactionUnavailableException("Transaction not available -- could not acquire stack lock");
    }
    try {
        if (sipStack.isDialogCreated(sipRequest.getMethod())) {
            if (sipStack.findTransaction((SIPRequest) request, true) != null)
                throw new TransactionAlreadyExistsException("server transaction already exists!");
            transaction = (SIPServerTransaction) ((SIPRequest) request).getTransaction();
            if (transaction == null)
                throw new TransactionUnavailableException("Transaction not available");
            if (transaction.getOriginalRequest() == null)
                transaction.setOriginalRequest(sipRequest);
            try {
                sipStack.addTransaction(transaction);
            } catch (IOException ex) {
                throw new TransactionUnavailableException("Error sending provisional response");
            }
            // So I can handle timeouts.
            transaction.addEventListener(this);
            if (isAutomaticDialogSupportEnabled()) {
                // If automatic dialog support is enabled then
                // this tx gets his own dialog.
                String dialogId = sipRequest.getDialogId(true);
                SIPDialog dialog = sipStack.getDialog(dialogId);
                if (dialog == null) {
                    dialog = sipStack.createDialog(transaction);
                }
                transaction.setDialog(dialog, sipRequest.getDialogId(true));
                if (sipRequest.getMethod().equals(Request.INVITE) && this.isDialogErrorsAutomaticallyHandled()) {
                    sipStack.putInMergeTable(transaction, sipRequest);
                }
                dialog.addRoute(sipRequest);
                if (dialog.getRemoteTag() != null && dialog.getLocalTag() != null) {
                    this.sipStack.putDialog(dialog);
                }
            }
        } else {
            if (isAutomaticDialogSupportEnabled()) {
                /*
                     * Under automatic dialog support, dialog is tied into a transaction. You cannot
                     * create a server tx except for dialog creating transactions. After that, all
                     * subsequent transactions are created for you by the stack.
                     */
                transaction = (SIPServerTransaction) sipStack.findTransaction((SIPRequest) request, true);
                if (transaction != null)
                    throw new TransactionAlreadyExistsException("Transaction exists! ");
                transaction = (SIPServerTransaction) ((SIPRequest) request).getTransaction();
                if (transaction == null)
                    throw new TransactionUnavailableException("Transaction not available!");
                if (transaction.getOriginalRequest() == null)
                    transaction.setOriginalRequest(sipRequest);
                // Map the transaction.
                try {
                    sipStack.addTransaction(transaction);
                } catch (IOException ex) {
                    throw new TransactionUnavailableException("Could not send back provisional response!");
                }
                // If there is a dialog already assigned then just update the
                // dialog state.
                String dialogId = sipRequest.getDialogId(true);
                SIPDialog dialog = sipStack.getDialog(dialogId);
                if (dialog != null) {
                    dialog.addTransaction(transaction);
                    dialog.addRoute(sipRequest);
                    transaction.setDialog(dialog, sipRequest.getDialogId(true));
                }
            } else {
                transaction = (SIPServerTransaction) sipStack.findTransaction((SIPRequest) request, true);
                if (transaction != null)
                    throw new TransactionAlreadyExistsException("Transaction exists! ");
                transaction = (SIPServerTransaction) ((SIPRequest) request).getTransaction();
                if (transaction != null) {
                    if (transaction.getOriginalRequest() == null)
                        transaction.setOriginalRequest(sipRequest);
                    // Map the transaction.
                    sipStack.mapTransaction(transaction);
                    // If there is a dialog already assigned then just
                    // assign the dialog to the transaction.
                    String dialogId = sipRequest.getDialogId(true);
                    SIPDialog dialog = sipStack.getDialog(dialogId);
                    if (dialog != null) {
                        dialog.addTransaction(transaction);
                        dialog.addRoute(sipRequest);
                        transaction.setDialog(dialog, sipRequest.getDialogId(true));
                    }
                    return transaction;
                } else {
                    // tx does not exist so create the tx.
                    MessageChannel mc = (MessageChannel) sipRequest.getMessageChannel();
                    transaction = sipStack.createServerTransaction(mc);
                    if (transaction == null)
                        throw new TransactionUnavailableException("Transaction unavailable -- too many servrer transactions");
                    transaction.setOriginalRequest(sipRequest);
                    sipStack.mapTransaction(transaction);
                    // If there is a dialog already assigned then just
                    // assign the dialog to the transaction.
                    String dialogId = sipRequest.getDialogId(true);
                    SIPDialog dialog = sipStack.getDialog(dialogId);
                    if (dialog != null) {
                        dialog.addTransaction(transaction);
                        dialog.addRoute(sipRequest);
                        transaction.setDialog(dialog, sipRequest.getDialogId(true));
                    }
                    return transaction;
                }
            }
        }
        return transaction;
    } finally {
        sipStack.releaseSem();
    }
}

Example 24 with SIPRequest

use of gov.nist.javax.sip.message.SIPRequest in project XobotOS by xamarin.

the class SIPClientTransaction method createAck.

/*
     * (non-Javadoc)
     * 
     * @see javax.sip.ClientTransaction#createAck()
     */
public Request createAck() throws SipException {
    SIPRequest originalRequest = this.getOriginalRequest();
    if (originalRequest == null)
        throw new SipException("bad state " + getState());
    if (getMethod().equalsIgnoreCase(Request.ACK)) {
        throw new SipException("Cannot ACK an ACK!");
    } else if (lastResponse == null) {
        throw new SipException("bad Transaction state");
    } else if (lastResponse.getStatusCode() < 200) {
        if (sipStack.isLoggingEnabled()) {
            sipStack.getStackLogger().logDebug("lastResponse = " + lastResponse);
        }
        throw new SipException("Cannot ACK a provisional response!");
    }
    SIPRequest ackRequest = originalRequest.createAckRequest((To) lastResponse.getTo());
    // Pull the record route headers from the last reesponse.
    RecordRouteList recordRouteList = lastResponse.getRecordRouteHeaders();
    if (recordRouteList == null) {
        // request URI.
        if (lastResponse.getContactHeaders() != null && lastResponse.getStatusCode() / 100 != 3) {
            Contact contact = (Contact) lastResponse.getContactHeaders().getFirst();
            javax.sip.address.URI uri = (javax.sip.address.URI) contact.getAddress().getURI().clone();
            ackRequest.setRequestURI(uri);
        }
        return ackRequest;
    }
    ackRequest.removeHeader(RouteHeader.NAME);
    RouteList routeList = new RouteList();
    // start at the end of the list and walk backwards
    ListIterator<RecordRoute> li = recordRouteList.listIterator(recordRouteList.size());
    while (li.hasPrevious()) {
        RecordRoute rr = (RecordRoute) li.previous();
        Route route = new Route();
        route.setAddress((AddressImpl) ((AddressImpl) rr.getAddress()).clone());
        route.setParameters((NameValueList) rr.getParameters().clone());
        routeList.add(route);
    }
    Contact contact = null;
    if (lastResponse.getContactHeaders() != null) {
        contact = (Contact) lastResponse.getContactHeaders().getFirst();
    }
    if (!((SipURI) ((Route) routeList.getFirst()).getAddress().getURI()).hasLrParam()) {
        // Contact may not yet be there (bug reported by Andreas B).
        Route route = null;
        if (contact != null) {
            route = new Route();
            route.setAddress((AddressImpl) ((AddressImpl) (contact.getAddress())).clone());
        }
        Route firstRoute = (Route) routeList.getFirst();
        routeList.removeFirst();
        javax.sip.address.URI uri = firstRoute.getAddress().getURI();
        ackRequest.setRequestURI(uri);
        if (route != null)
            routeList.add(route);
        ackRequest.addHeader(routeList);
    } else {
        if (contact != null) {
            javax.sip.address.URI uri = (javax.sip.address.URI) contact.getAddress().getURI().clone();
            ackRequest.setRequestURI(uri);
            ackRequest.addHeader(routeList);
        }
    }
    return ackRequest;
}

Example 25 with SIPRequest

use of gov.nist.javax.sip.message.SIPRequest in project XobotOS by xamarin.

the class SIPClientTransaction method sendMessage.

/**
     * Send a request message through this transaction and onto the client.
     * 
     * @param messageToSend Request to process and send.
     */
public void sendMessage(SIPMessage messageToSend) throws IOException {
    try {
        // Message typecast as a request
        SIPRequest transactionRequest;
        transactionRequest = (SIPRequest) messageToSend;
        // Set the branch id for the top via header.
        Via topVia = (Via) transactionRequest.getViaHeaders().getFirst();
        // Tack on a branch identifier to match responses.
        try {
            topVia.setBranch(getBranch());
        } catch (java.text.ParseException ex) {
        }
        if (sipStack.isLoggingEnabled()) {
            sipStack.getStackLogger().logDebug("Sending Message " + messageToSend);
            sipStack.getStackLogger().logDebug("TransactionState " + this.getState());
        }
        // If this is the first request for this transaction,
        if (TransactionState.PROCEEDING == getState() || TransactionState.CALLING == getState()) {
            // If this is a TU-generated ACK request,
            if (transactionRequest.getMethod().equals(Request.ACK)) {
                // transport and close this transaction
                if (isReliable()) {
                    this.setState(TransactionState.TERMINATED);
                } else {
                    this.setState(TransactionState.COMPLETED);
                }
                // BUGBUG -- This suppresses sending the ACK uncomment this
                // to
                // test 4xx retransmission
                // if (transactionRequest.getMethod() != Request.ACK)
                super.sendMessage(transactionRequest);
                return;
            }
        }
        try {
            // Send the message to the server
            lastRequest = transactionRequest;
            if (getState() == null) {
                // Save this request as the one this transaction
                // is handling
                setOriginalRequest(transactionRequest);
                if (transactionRequest.getMethod().equals(Request.INVITE)) {
                    this.setState(TransactionState.CALLING);
                } else if (transactionRequest.getMethod().equals(Request.ACK)) {
                    // Acks are never retransmitted.
                    this.setState(TransactionState.TERMINATED);
                } else {
                    this.setState(TransactionState.TRYING);
                }
                if (!isReliable()) {
                    enableRetransmissionTimer();
                }
                if (isInviteTransaction()) {
                    enableTimeoutTimer(TIMER_B);
                } else {
                    enableTimeoutTimer(TIMER_F);
                }
            }
            // BUGBUG This supresses sending ACKS -- uncomment to test
            // 4xx retransmission.
            // if (transactionRequest.getMethod() != Request.ACK)
            super.sendMessage(transactionRequest);
        } catch (IOException e) {
            this.setState(TransactionState.TERMINATED);
            throw e;
        }
    } finally {
        this.isMapped = true;
        this.startTransactionTimer();
    }
}