/** Exit the proxy, throws Exception that which can be caught by the upper application */
public void exit() throws Exception {
Iterator sipProviders = sipStack.getSipProviders();
if (sipProviders != null) {
while (sipProviders.hasNext()) {
SipProvider sp = (SipProvider) sipProviders.next();
sp.removeSipListener(this);
sipStack.deleteSipProvider(sp);
sipProviders = sipStack.getSipProviders();
System.out.println("One sip Provider removed!");
}
} else {
ProxyDebug.println("WARNING, STOP_PROXY, The proxy " + " has no sip Provider to remove!");
}
Iterator listeningPoints = sipStack.getListeningPoints();
if (listeningPoints != null) {
while (listeningPoints.hasNext()) {
ListeningPoint lp = (ListeningPoint) listeningPoints.next();
sipStack.deleteListeningPoint(lp);
listeningPoints = sipStack.getListeningPoints();
System.out.println("One listening point removed!");
}
} else {
ProxyDebug.println("WARNING, STOP_PROXY, The proxy " + " has no listening points to remove!");
}
ProxyDebug.println("Proxy exit.........................");
configuration.listeningPoints.clear();
registrar.clean();
}
/**
* Stop the proxy, this method has to be called after the start method throws Exception that which
* can be caught by the upper application
*/
public void stop() throws Exception {
if (sipStack == null) return;
this.presenceServer.stop();
Iterator sipProviders = sipStack.getSipProviders();
if (sipProviders != null) {
while (sipProviders.hasNext()) {
SipProvider sp = (SipProvider) sipProviders.next();
sp.removeSipListener(this);
sipStack.deleteSipProvider(sp);
sipProviders = sipStack.getSipProviders();
System.out.println("One sip Provider removed!");
}
} else {
ProxyDebug.println("WARNING, STOP_PROXY, The proxy " + " has no sip Provider to remove!");
}
Iterator listeningPoints = sipStack.getListeningPoints();
if (listeningPoints != null) {
while (listeningPoints.hasNext()) {
ListeningPoint lp = (ListeningPoint) listeningPoints.next();
sipStack.deleteListeningPoint(lp);
listeningPoints = sipStack.getListeningPoints();
System.out.println("One listening point removed!");
}
} else {
ProxyDebug.println("WARNING, STOP_PROXY, The proxy " + " has no listening points to remove!");
}
registrar.clean();
}
/** JAIN Listener method. */
public void processTimeout(TimeoutEvent timeOutEvent) {
ProxyDebug.println("TimeoutEvent received");
SipProvider sipProvider = (SipProvider) timeOutEvent.getSource();
TransactionsMapping transactionsMapping = null;
if (timeOutEvent.isServerTransaction()) {
ServerTransaction serverTransaction = timeOutEvent.getServerTransaction();
Dialog dialog = serverTransaction.getDialog();
if (dialog != null) {
transactionsMapping = (TransactionsMapping) dialog.getApplicationData();
transactionsMapping.removeMapping(serverTransaction);
}
} else {
ClientTransaction clientTransaction = timeOutEvent.getClientTransaction();
Dialog dialog = clientTransaction.getDialog();
ServerTransaction st = null;
if (dialog != null) {
transactionsMapping = (TransactionsMapping) dialog.getApplicationData();
if (transactionsMapping != null) {
st = transactionsMapping.getServerTransaction(clientTransaction);
}
if (st == null) {
ProxyDebug.println(
"ERROR, Unable to retrieve the server transaction," + " cannot process timeout!");
return;
}
} else {
ProxyDebug.println(
"ERROR, Unable to retrieve the transaction Mapping," + " cannot process timeout!");
return;
}
Request request = st.getRequest();
// This removes the given mapping from the table but not
// necessarily the whole thing.
transactionsMapping.removeMapping(clientTransaction);
if (!transactionsMapping.hasMapping(st)) {
// No more mappings left in the transaction table.
try {
Response response = messageFactory.createResponse(Response.REQUEST_TIMEOUT, request);
st.sendResponse(response);
} catch (ParseException ex) {
ex.printStackTrace();
} catch (SipException ex1) {
ex1.printStackTrace();
}
}
}
}
/** Default constructor. */
public DigestServerAuthenticationMethod() {
try {
messageDigest = MessageDigest.getInstance(DEFAULT_ALGORITHM);
} catch (NoSuchAlgorithmException ex) {
ProxyDebug.println("Algorithm not found " + ex);
ex.printStackTrace();
}
passwordTable = new Hashtable();
}
/**
* Initialize -- load password files etc. Password file format is name:authentication
* domain:password
*
* @param pwFileName is the password file name.
* @param Exception is thrown when the password file is bad.
*/
public void initialize(String pwFileName) {
try {
XMLAuthenticationParser parser = new XMLAuthenticationParser(pwFileName);
String def = parser.getRealm();
if (def != null) DEFAULT_REALM = def;
ProxyDebug.println(
"DEBUG, DigestAuthenticationMethod, initialize()," + " the realm is:" + DEFAULT_REALM);
Vector usersTagList = parser.getUsersTagList();
if (usersTagList != null)
for (int i = 0; i < usersTagList.size(); i++) {
UserTag userTag = (UserTag) usersTagList.elementAt(i);
String userName = userTag.getUserName();
// String userRealm=userTag.getUserRealm();
String userPassword = userTag.getUserPassword();
if (userName != null) {
if (userPassword == null) {
ProxyDebug.println(
"DEBUG, DigestAuthenticationMethod, initialize(),"
+ " the userPassword parameter does not exist for user: "******", we use the default: \""
+ NULL_PASSWORD
+ "\"");
userPassword = NULL_PASSWORD;
}
passwordTable.put(userName + "@" + DEFAULT_REALM, userPassword);
} else {
ProxyDebug.println(
"DEBUG, DigestAuthenticationMethod, initialize(),"
+ " the userName parameter does not exist, we skip this entry!!");
}
}
else
ProxyDebug.println(
"DEBUG, DigestAuthenticationMethod, initialize(),"
+ "Error during parsing the passwords file!");
} catch (Exception e) {
ProxyDebug.println("ERROR, DigestAuthenticationMethod, initialize()," + "exception raised:");
e.printStackTrace();
}
}
/** This is a listener method. */
public void processResponse(ResponseEvent responseEvent) {
try {
Response response = responseEvent.getResponse();
SipProvider sipProvider = (SipProvider) responseEvent.getSource();
ClientTransaction clientTransaction = responseEvent.getClientTransaction();
ProxyDebug.println(
"\n***************************************************************"
+ "\n***************************************************************"
+ "\nResponse "
+ response.getStatusCode()
+ " "
+ response.getReasonPhrase()
+ " received:\n"
+ response.toString());
ProxyDebug.println("Processing Response in progress");
if (ProxyDebug.debug) ProxyUtilities.printTransaction(clientTransaction);
// Henrik - added handling of responses addressed to server
// If we use a presenceserver, and if statuscode was OK...
CSeqHeader cseqHeader = (CSeqHeader) response.getHeader(CSeqHeader.NAME);
if (cseqHeader.getMethod().equals("SUBSCRIBE")) {
presenceServer.processSubscribeResponse((Response) response.clone(), clientTransaction);
} else if (cseqHeader.getMethod().equals("NOTIFY")) {
// presenceServer.processNotifyResponse((Response)response.clone(),
// clientTransaction);
}
responseForwarding.forwardResponse(sipProvider, response, clientTransaction);
} catch (Exception ex) {
if (ProxyDebug.debug) {
ProxyDebug.println("Proxy, processResponse(), internal error, " + "exception raised:");
ProxyDebug.logException(ex);
}
}
}
/** ********************************************************************* */
public static void main(String args[]) {
try {
// the Proxy:
if (args.length == 0) {
System.out.println("Config file missing!");
System.exit(0);
}
System.out.println("Using configuration file " + args[1]);
String confFile = (String) args[1];
Proxy proxy = new Proxy(confFile);
proxy.start();
ProxyDebug.println("Proxy ready to work");
} catch (Exception e) {
System.out.println(
"ERROR: Set the configuration file flag: " + "USE: -cf configuration_file_location.xml");
System.out.println("ERROR, the proxy can not be started, " + " exception raised:\n");
e.printStackTrace();
}
}
/**
* Check the response and answer true if authentication succeeds. We are making simplifying
* assumptions here and assuming that the password is available to us for computation of the MD5
* hash. We also dont cache authentications so that the user has to authenticate on each
* registration.
*
* @param user is the username
* @param authHeader is the Authroization header from the SIP request.
* @param requestLine is the SIP Request line from the SIP request.
* @exception SIPAuthenticationException is thrown when authentication fails or message is bad
*/
public boolean doAuthenticate(String user, AuthorizationHeader authHeader, Request request) {
String realm = authHeader.getRealm();
String username = authHeader.getUsername();
URI requestURI = request.getRequestURI();
if (username == null) {
ProxyDebug.println(
"DEBUG, DigestAuthenticateMethod, doAuthenticate(): "
+ "WARNING: userName parameter not set in the header received!!!");
username = user;
}
if (realm == null) {
ProxyDebug.println(
"DEBUG, DigestAuthenticateMethod, doAuthenticate(): "
+ "WARNING: realm parameter not set in the header received!!! WE use the default one");
realm = DEFAULT_REALM;
}
ProxyDebug.println(
"DEBUG, DigestAuthenticateMethod, doAuthenticate(): "
+ "Trying to authenticate user: "******" for "
+ " the realm: "
+ realm);
String password = (String) passwordTable.get(username + "@" + realm);
if (password == null) {
ProxyDebug.println(
"DEBUG, DigestAuthenticateMethod, doAuthenticate(): "
+ "ERROR: password not found for the user: "******"@"
+ realm);
return false;
}
String nonce = authHeader.getNonce();
// If there is a URI parameter in the Authorization header,
// then use it.
URI uri = authHeader.getURI();
// There must be a URI parameter in the authorization header.
if (uri == null) {
ProxyDebug.println(
"DEBUG, DigestAuthenticateMethod, doAuthenticate(): "
+ "ERROR: uri paramater not set in the header received!");
return false;
}
ProxyDebug.println(
"DEBUG, DigestAuthenticationMethod, doAuthenticate(), username:"******"!");
ProxyDebug.println("DEBUG, DigestAuthenticationMethod, doAuthenticate(), realm:" + realm + "!");
ProxyDebug.println(
"DEBUG, DigestAuthenticationMethod, doAuthenticate(), password:"******"!");
ProxyDebug.println("DEBUG, DigestAuthenticationMethod, doAuthenticate(), uri:" + uri + "!");
ProxyDebug.println("DEBUG, DigestAuthenticationMethod, doAuthenticate(), nonce:" + nonce + "!");
ProxyDebug.println(
"DEBUG, DigestAuthenticationMethod, doAuthenticate(), method:" + request.getMethod() + "!");
String A1 = username + ":" + realm + ":" + password;
String A2 = request.getMethod().toUpperCase() + ":" + uri.toString();
byte mdbytes[] = messageDigest.digest(A1.getBytes());
String HA1 = ProxyUtilities.toHexString(mdbytes);
ProxyDebug.println("DEBUG, DigestAuthenticationMethod, doAuthenticate(), HA1:" + HA1 + "!");
mdbytes = messageDigest.digest(A2.getBytes());
String HA2 = ProxyUtilities.toHexString(mdbytes);
ProxyDebug.println("DEBUG, DigestAuthenticationMethod, doAuthenticate(), HA2:" + HA2 + "!");
String cnonce = authHeader.getCNonce();
String KD = HA1 + ":" + nonce;
if (cnonce != null) {
KD += ":" + cnonce;
}
KD += ":" + HA2;
mdbytes = messageDigest.digest(KD.getBytes());
String mdString = ProxyUtilities.toHexString(mdbytes);
String response = authHeader.getResponse();
ProxyDebug.println(
"DEBUG, DigestAuthenticateMethod, doAuthenticate(): "
+ "we have to compare his response: "
+ response
+ " with our computed"
+ " response: "
+ mdString);
int res = (mdString.compareTo(response));
if (res == 0) {
ProxyDebug.println(
"DEBUG, DigestAuthenticateMethod, doAuthenticate(): " + "User authenticated...");
} else {
ProxyDebug.println(
"DEBUG, DigestAuthenticateMethod, doAuthenticate(): " + "User not authenticated...");
}
return res == 0;
}
/**
* Start the proxy, this method has to be called after the init method throws Exception that which
* can be caught by the upper application
*/
public void start() throws Exception {
if (configuration != null && configuration.isValidConfiguration()) {
Properties properties = new Properties();
// LOGGING property:
if (configuration.enableDebug) {
ProxyDebug.debug = true;
ProxyDebug.setProxyOutputFile(configuration.outputProxy);
ProxyDebug.println("DEBUG properties set!");
if (configuration.badMessageLogFile != null)
properties.setProperty(
"gov.nist.javax.sip.BAD_MESSAGE_LOG", configuration.badMessageLogFile);
if (configuration.debugLogFile != null) {
properties.setProperty("gov.nist.javax.sip.DEBUG_LOG", configuration.debugLogFile);
}
if (configuration.serverLogFile != null)
properties.setProperty("gov.nist.javax.sip.SERVER_LOG", configuration.serverLogFile);
if (configuration.debugLogFile != null)
properties.setProperty("gov.nist.javax.sip.TRACE_LEVEL", "32");
else if (configuration.serverLogFile != null)
properties.setProperty("gov.nist.javax.sip.TRACE_LEVEL", "16");
else properties.setProperty("gov.nist.javax.sip.TRACE_LEVEL", "0");
} else {
System.out.println("DEBUG properties not set!");
}
registrar.setExpiresTime(configuration.expiresTime);
// STOP TIME
if (configuration.stopTime != null) {
try {
long stopTime = Long.parseLong(configuration.stopTime);
StopProxy stopProxy = new StopProxy(this);
Timer timer = new Timer();
timer.schedule(stopProxy, stopTime);
} catch (Exception e) {
e.printStackTrace();
}
}
sipStack = null;
SipFactory sipFactory = SipFactory.getInstance();
sipFactory.setPathName("gov.nist");
headerFactory = sipFactory.createHeaderFactory();
addressFactory = sipFactory.createAddressFactory();
messageFactory = sipFactory.createMessageFactory();
// Create SipStack object
properties.setProperty("javax.sip.IP_ADDRESS", configuration.stackIPAddress);
// We have to add the IP address of the proxy for the domain:
configuration.domainList.addElement(configuration.stackIPAddress);
ProxyDebug.println("The proxy is responsible for the domain:" + configuration.stackIPAddress);
properties.setProperty("javax.sip.STACK_NAME", configuration.stackName);
if (configuration.check(configuration.outboundProxy))
properties.setProperty("javax.sip.OUTBOUND_PROXY", configuration.outboundProxy);
if (configuration.check(configuration.routerPath))
properties.setProperty("javax.sip.ROUTER_PATH", configuration.routerPath);
if (configuration.check(configuration.extensionMethods))
properties.setProperty("javax.sip.EXTENSION_METHODS", configuration.extensionMethods);
// This has to be hardcoded to true. for the proxy.
properties.setProperty("javax.sip.RETRANSMISSION_FILTER", "on");
if (configuration.check(configuration.maxConnections))
properties.setProperty("gov.nist.javax.sip.MAX_CONNECTIONS", configuration.maxConnections);
if (configuration.check(configuration.maxServerTransactions))
properties.setProperty(
"gov.nist.javax.sip.MAX_SERVER_TRANSACTIONS", configuration.maxServerTransactions);
if (configuration.check(configuration.threadPoolSize))
properties.setProperty("gov.nist.javax.sip.THREAD_POOL_SIZE", configuration.threadPoolSize);
if (configuration.domainList != null)
for (int j = 0; j < configuration.domainList.size(); j++) {
String domain = (String) configuration.domainList.elementAt(j);
ProxyDebug.println("Here is one domain to take care of:" + domain);
}
else ProxyDebug.println("No domain to take care of...");
if (configuration.accessLogViaRMI) {
properties.setProperty("gov.nist.javax.sip.ACCESS_LOG_VIA_RMI", "true");
properties.setProperty("gov.nist.javax.sip.RMI_PORT", configuration.logRMIPort);
if (configuration.check(configuration.logLifetime))
properties.setProperty("gov.nist.javax.sip.LOG_LIFETIME", configuration.logLifetime);
}
sipStack = sipFactory.createSipStack(properties);
// Authentication part:
if (configuration.enableAuthentication) {
authentication = new Authentication(this);
try {
Class authMethodClass = Class.forName(configuration.classFile);
AuthenticationMethod authMethod = (AuthenticationMethod) authMethodClass.newInstance();
authMethod.initialize(configuration.passwordsFile);
authentication.setAuthenticationMethod(authMethod);
} catch (Exception e) {
ProxyDebug.println("ERROR, authentication process stopped, exception raised:");
e.printStackTrace();
}
}
// We create the Listening points:
Vector lps = configuration.getListeningPoints();
for (int i = 0; lps != null && i < lps.size(); i++) {
Association a = (Association) lps.elementAt(i);
try {
System.out.println("transport " + a.transport);
System.out.println("port " + Integer.valueOf(a.port).intValue());
ListeningPoint lp =
sipStack.createListeningPoint(Integer.valueOf(a.port).intValue(), a.transport);
this.listeningPoints.add(lp);
SipProvider sipProvider = sipStack.createSipProvider(lp);
if (this.defaultProvider == null) this.defaultProvider = sipProvider;
sipProvider.addSipListener(this);
} catch (Exception e) {
e.printStackTrace();
ProxyDebug.println("ERROR: listening point not created ");
}
}
// Export the registry for polling by the responder.
if (configuration.exportRegistry)
// initialize the registrar for RMI.
this.registrar.initRMIBindings();
// Parse static configuration for registrar.
if (configuration.enableRegistrations) {
String value = configuration.registrationsFile;
ProxyDebug.println("Parsing the XML registrations file: " + value);
if (value == null || value.trim().equals(""))
ProxyDebug.println("You have to set the registrations file...");
else registrar.parseXMLregistrations(value);
} else ProxyDebug.println("No registrations to parse...");
// Register to proxies if any:
registrar.registerToProxies();
} else {
System.out.println(
"ERROR: the configuration file is not correct!" + " Correct the errors first.");
}
}
/** This is a listener method. */
public void processRequest(RequestEvent requestEvent) {
Request request = requestEvent.getRequest();
SipProvider sipProvider = (SipProvider) requestEvent.getSource();
ServerTransaction serverTransaction = requestEvent.getServerTransaction();
try {
if (ProxyDebug.debug)
ProxyDebug.println(
"\n****************************************************"
+ "\nRequest "
+ request.getMethod()
+ " received:\n"
+ request.toString());
if (ProxyDebug.debug) ProxyUtilities.printTransaction(serverTransaction);
/** **************************************************************************** */
/** ********************* PROXY BEHAVIOR *********************************** */
/** **************************************************************************** */
/*
* RFC 3261: 16.2: For all new requests, including any with unknown
* methods, an element intending to proxy the request MUST:
*
* 1. Validate the request (Section 16.3)
*
* 2. Preprocess routing information (Section 16.4)
*
* 3. Determine target(s) for the request (Section 16.5)
*
* 4. Forward the request to each target (Section 16.6)
*
* 5. Process all responses (Section 16.7)
*/
/** **************************************************************************** */
/** *************************** 1. Validate the request (Section 16.3) ********* */
/** **************************************************************************** */
/*
* Before an element can proxy a request, it MUST verify the
* message's validity
*/
RequestValidation requestValidation = new RequestValidation(this);
if (!requestValidation.validateRequest(sipProvider, request, serverTransaction)) {
// An appropriate response has been sent back by the request
// validation step, so we just return. The request has been
// processed!
if (ProxyDebug.debug)
ProxyDebug.println(
"Proxy, processRequest(), the request has not been"
+ " validated, so the request is discarded "
+ " (an error code has normally been"
+ " sent back)");
return;
}
// Let's check if the ACK is for the proxy: if there is no Route
// header: it is mandatory for the ACK to be forwarded
if (request.getMethod().equals(Request.ACK)) {
ListIterator routes = request.getHeaders(RouteHeader.NAME);
if (routes == null || !routes.hasNext()) {
if (ProxyDebug.debug)
ProxyDebug.println(
"Proxy, processRequest(), "
+ "the request is an ACK"
+ " targeted for the proxy, we ignore it");
return;
}
/* added code */
CallID call_id = (CallID) request.getHeader(CallID.CALL_ID);
String call_id_str = call_id.getCallId();
TimeThreadController.Start(call_id_str);
/* end of added code */
}
if (serverTransaction == null) {
String method = request.getMethod();
// Methods that creates dialogs, so that can
// generate transactions
if (method.equals(Request.INVITE) || method.equals(Request.SUBSCRIBE)) {
try {
serverTransaction = sipProvider.getNewServerTransaction(request);
TransactionsMapping transactionsMapping =
(TransactionsMapping) serverTransaction.getDialog().getApplicationData();
if (transactionsMapping == null) {
transactionsMapping = new TransactionsMapping(serverTransaction);
}
} catch (TransactionAlreadyExistsException e) {
if (ProxyDebug.debug)
ProxyDebug.println(
"Proxy, processRequest(), this request" + " is a retransmission, we drop it!");
}
}
}
/** ************************************************************************ */
/** **** 2. Preprocess routing information (Section 16.4) ****************** */
/** ************************************************************************ */
/*
* The proxy MUST inspect the Request-URI of the request. If the
* Request-URI of the request contains a value this proxy previously
* placed into a Record-Route header field (see Section 16.6 item
* 4), the proxy MUST replace the Request-URI in the request with
* the last value from the Route header field, and remove that value
* from the Route header field. The proxy MUST then proceed as if it
* received this modified request. ..... (idem to below:) 16.12. The
* proxy will inspect the URI in the topmost Route header field
* value. If it indicates this proxy, the proxy removes it from the
* Route header field (this route node has been reached).
*/
ListIterator routes = request.getHeaders(RouteHeader.NAME);
if (routes != null) {
if (routes.hasNext()) {
RouteHeader routeHeader = (RouteHeader) routes.next();
Address routeAddress = routeHeader.getAddress();
SipURI routeSipURI = (SipURI) routeAddress.getURI();
String host = routeSipURI.getHost();
int port = routeSipURI.getPort();
if (sipStack.getIPAddress().equals(host)) {
Iterator lps = sipStack.getListeningPoints();
while (lps != null && lps.hasNext()) {
ListeningPoint lp = (ListeningPoint) lps.next();
if (lp.getPort() == port) {
if (ProxyDebug.debug)
ProxyDebug.println(
"Proxy, processRequest(),"
+ " we remove the first route form "
+ " the RouteHeader;"
+ " it matches the proxy");
routes.remove();
break;
}
}
}
}
}
/*
* If the Request-URI contains a maddr parameter, the proxy MUST
* check to see if its value is in the set of addresses or domains
* the proxy is configured to be responsible for. If the Request-URI
* has a maddr parameter with a value the proxy is responsible for,
* and the request was received using the port and transport
* indicated (explicitly or by default) in the Request-URI, the
* proxy MUST strip the maddr and any non-default port or transport
* parameter and continue processing as if those values had not been
* present in the request.
*/
URI requestURI = request.getRequestURI();
if (requestURI.isSipURI()) {
SipURI requestSipURI = (SipURI) requestURI;
if (requestSipURI.getMAddrParam() != null) {
// The domain the proxy is configured to be responsible for
// is defined
// by stack_domain parameter in the configuration file:
if (configuration.hasDomain(requestSipURI.getMAddrParam())) {
if (ProxyDebug.debug)
ProxyDebug.println(
"Proxy, processRequest(),"
+ " The maddr contains a domain we are responsible for,"
+ " we remove the mAddr parameter from the original"
+ " request");
// We have to strip the madr parameter:
requestSipURI.removeParameter("maddr");
// We have to strip the port parameter:
if (requestSipURI.getPort() != 5060 && requestSipURI.getPort() != -1) {
requestSipURI.setPort(5060);
}
// We have to strip the transport parameter:
requestSipURI.removeParameter("transport");
} else {
// The Maddr parameter is not a domain we have to take
// care of, we pass this check...
}
} else {
// No Maddr parameter, we pass this check...
}
} else {
// No SipURI, so no Maddr parameter, we pass this check...
}
/** *************************************************************************** */
/** *********** 3. Determine target(s) for the request (Section 16.5) ********* */
/** ************************************************************************** */
/*
* The set of targets will either be predetermined by the contents
* of the request or will be obtained from an abstract location
* service. Each target in the set is represented as a URI.
*/
Vector targetURIList = new Vector();
URI targetURI;
/*
* If the Request-URI of the request contains an maddr parameter,
* the Request-URI MUST be placed into the target set as the only
* target URI, and the proxy MUST proceed to Section 16.6.
*/
if (requestURI.isSipURI()) {
SipURI requestSipURI = (SipURI) requestURI;
if (requestSipURI.getMAddrParam() != null) {
targetURI = requestURI;
targetURIList.addElement(targetURI);
if (ProxyDebug.debug)
ProxyDebug.println(
"Proxy, processRequest(),"
+ " the only target is the Request-URI (mAddr parameter)");
// 4. Forward the request statefully:
requestForwarding.forwardRequest(
targetURIList, sipProvider, request, serverTransaction, true);
return;
}
}
/*
* If the domain of the Request-URI indicates a domain this element
* is not responsible for, the Request-URI MUST be placed into the
* target set as the only target, and the element MUST proceed to
* the task of Request Forwarding (Section 16.6).
*/
if (requestURI.isSipURI()) {
SipURI requestSipURI = (SipURI) requestURI;
if (!configuration.hasDomain(requestSipURI.getHost())) {
if (ProxyDebug.debug)
ProxyDebug.println(
"Proxy, processRequest(),"
+ " we are not responsible for the domain: Let's check if we have"
+ " a registration for this domain from another proxy");
// We have to check if another proxy did not registered
// to us, in this case we have to use the contacts provided
// by the registered proxy to create the targets:
if (registrar.hasDomainRegistered(request)) {
targetURIList = registrar.getDomainContactsURI(request);
if (targetURIList != null && !targetURIList.isEmpty()) {
if (ProxyDebug.debug) {
ProxyDebug.println(
"Proxy, processRequest(), we have"
+ " a registration for this domain from another proxy");
}
// 4. Forward the request statefully:
requestForwarding.forwardRequest(
targetURIList, sipProvider, request, serverTransaction, true);
return;
} else {
targetURIList = new Vector();
ProxyDebug.println(
"Proxy, processRequest(),"
+ " we are not responsible for the domain: the only target"
+ " URI is given by the request-URI");
targetURI = requestURI;
targetURIList.addElement(targetURI);
}
} else {
ProxyDebug.println(
"Proxy, processRequest(),"
+ " we are not responsible for the domain: the only target"
+ " URI is given by the request-URI");
targetURI = requestURI;
targetURIList.addElement(targetURI);
}
// 4. Forward the request statelessly:
requestForwarding.forwardRequest(
targetURIList, sipProvider, request, serverTransaction, false);
return;
} else {
ProxyDebug.println(
"Proxy, processRequest(),"
+ " we are responsible for the domain... Let's find the contact...");
}
}
// we use a SIP registrar:
if (request.getMethod().equals(Request.REGISTER)) {
if (ProxyDebug.debug) ProxyDebug.println("Incoming request Register");
// we call the RegisterProcessing:
registrar.processRegister(request, sipProvider, serverTransaction);
// Henrik: let the presenceserver do some processing too
if (isPresenceServer()) {
presenceServer.processRegisterRequest(sipProvider, request, serverTransaction);
}
return;
}
/*
* If we receive a subscription targeted to a user that is
* publishing its state here, send to presence server
*/
if (isPresenceServer() && (request.getMethod().equals(Request.SUBSCRIBE))) {
ProxyDebug.println("Incoming request Subscribe");
if (presenceServer.isStateAgent(request)) {
Request clonedRequest = (Request) request.clone();
presenceServer.processSubscribeRequest(sipProvider, clonedRequest, serverTransaction);
} else {
// Do we know this guy?
targetURIList = registrar.getContactsURI(request);
if (targetURIList == null) {
// If not respond that we dont know him.
ProxyDebug.println(
"Proxy: received a Subscribe request to "
+ " a user in our domain that was not found, "
+ " responded 404");
Response response = messageFactory.createResponse(Response.NOT_FOUND, request);
if (serverTransaction != null) serverTransaction.sendResponse(response);
else sipProvider.sendResponse(response);
return;
} else {
ProxyDebug.println(
"Trying to forward subscribe to "
+ targetURIList.toString()
+ "\n"
+ request.toString());
requestForwarding.forwardRequest(
targetURIList, sipProvider, request, serverTransaction, false);
}
}
return;
}
/** Received a Notify. TOADD: Check if it match active VirtualSubscriptions and update it */
if (isPresenceServer() && (request.getMethod().equals(Request.NOTIFY))) {
System.out.println("Incoming request Notify");
Response response = messageFactory.createResponse(481, request);
response.setReasonPhrase("Subscription does not exist");
if (serverTransaction != null) serverTransaction.sendResponse(response);
else sipProvider.sendResponse(response);
ProxyDebug.println("Proxy: received a Notify request. Probably wrong, responded 481");
return;
}
if (isPresenceServer() && (request.getMethod().equalsIgnoreCase("PUBLISH"))) {
System.out.println("Incoming request Publish");
ProxyDebug.println("Proxy: received a Publish request.");
Request clonedRequest = (Request) request.clone();
if (presenceServer.isStateAgent(clonedRequest)) {
ProxyDebug.println("PresenceServer.isStateAgent");
} else {
ProxyDebug.println("PresenceServer is NOT StateAgent");
}
if (presenceServer.isStateAgent(clonedRequest)) {
presenceServer.processPublishRequest(sipProvider, clonedRequest, serverTransaction);
} else {
Response response = messageFactory.createResponse(Response.NOT_FOUND, request);
if (serverTransaction != null) serverTransaction.sendResponse(response);
else sipProvider.sendResponse(response);
}
return;
}
// Forward to next hop but dont reply OK right away for the
// BYE. Bye is end-to-end not hop by hop!
if (request.getMethod().equals(Request.BYE)) {
if (serverTransaction == null) {
if (ProxyDebug.debug) ProxyDebug.println("Proxy, null server transaction for BYE");
return;
}
/* added code */
CallID call_id = (CallID) request.getHeader(CallID.CALL_ID);
String call_id_str = call_id.getCallId();
long end_time = TimeThreadController.Stop(call_id_str);
To tou = (To) request.getHeader(ToHeader.NAME);
From fromu = (From) request.getHeader(FromHeader.NAME);
String FromUser = fromu.getUserAtHostPort();
String ToUser = tou.getUserAtHostPort();
StringBuffer sb = new StringBuffer(FromUser);
int endsAt = sb.indexOf("@");
String FromUsername = sb.substring(0, endsAt);
sb = new StringBuffer(ToUser);
endsAt = sb.indexOf("@");
String ToUsername = sb.substring(0, endsAt);
BillStrategyApply bill = new BillStrategyApply(new StandardBillPolicy());
long start_time = TimeThreadController.getStartTime();
java.sql.Timestamp s = new java.sql.Timestamp(start_time);
System.out.println("START TIME POU BIKE :" + s.toString());
BigDecimal cost = bill.executeStrategy(1, 2, start_time, end_time);
ProcessBill.updateCallDB(FromUsername, ToUsername, start_time, end_time, cost);
/* end of added code */
Dialog d = serverTransaction.getDialog();
TransactionsMapping transactionsMapping = (TransactionsMapping) d.getApplicationData();
Dialog peerDialog = (Dialog) transactionsMapping.getPeerDialog(serverTransaction);
Request clonedRequest = (Request) request.clone();
FromHeader from = (FromHeader) clonedRequest.getHeader(FromHeader.NAME);
from.removeParameter("tag");
ToHeader to = (ToHeader) clonedRequest.getHeader(ToHeader.NAME);
to.removeParameter("tag");
ViaHeader via = this.getStackViaHeader();
clonedRequest.addHeader(via);
if (peerDialog.getState() != null) {
ClientTransaction newct = sipProvider.getNewClientTransaction(clonedRequest);
transactionsMapping.addMapping(serverTransaction, newct);
peerDialog.sendRequest(newct);
return;
} else {
// the peer dialog is not yet established so bail out.
// this is a client error - client is sending BYE
// before dialog establishment.
if (ProxyDebug.debug) ProxyDebug.println("Proxy, bad dialog state - BYE dropped");
return;
}
}
/*
* If the target set for the request has not been predetermined as
* described above, this implies that the element is responsible for
* the domain in the Request-URI, and the element MAY use whatever
* mechanism it desires to determine where to send the request. ...
* When accessing the location service constructed by a registrar,
* the Request-URI MUST first be canonicalized as described in
* Section 10.3 before being used as an index.
*/
if (requestURI.isSipURI()) {
SipURI requestSipURI = (SipURI) requestURI;
Iterator iterator = requestSipURI.getParameterNames();
if (ProxyDebug.debug)
ProxyDebug.println("Proxy, processRequest(), we canonicalized" + " the request-URI");
while (iterator != null && iterator.hasNext()) {
String name = (String) iterator.next();
requestSipURI.removeParameter(name);
}
}
if (registrar.hasRegistration(request)) {
targetURIList = registrar.getContactsURI(request);
// We fork only INVITE
if (targetURIList != null
&& targetURIList.size() > 1
&& !request.getMethod().equals("INVITE")) {
if (ProxyDebug.debug)
ProxyDebug.println(
"Proxy, processRequest(), the request "
+ " to fork is not an INVITE, so we will process"
+ " it with the first target as the only target.");
targetURI = (URI) targetURIList.firstElement();
targetURIList = new Vector();
targetURIList.addElement(targetURI);
// 4. Forward the request statefully to the target:
requestForwarding.forwardRequest(
targetURIList, sipProvider, request, serverTransaction, true);
return;
}
if (targetURIList != null && !targetURIList.isEmpty()) {
if (ProxyDebug.debug)
ProxyDebug.println(
"Proxy, processRequest(), the target set"
+ " is the set of the contacts URI from the "
+ " location service");
To to = (To) request.getHeader(ToHeader.NAME);
From from = (From) request.getHeader(FromHeader.NAME);
String FromUser = from.getUserAtHostPort();
String ToUser = to.getUserAtHostPort();
StringBuffer sb = new StringBuffer(FromUser);
int endsAt = sb.indexOf("@");
String FromUsername = sb.substring(0, endsAt);
sb = new StringBuffer(ToUser);
endsAt = sb.indexOf("@");
String ToUsername = sb.substring(0, endsAt);
if (!block.CheckBlock(FromUsername, ToUsername)) {
Response response =
messageFactory.createResponse(Response.TEMPORARILY_UNAVAILABLE, request);
if (serverTransaction != null) serverTransaction.sendResponse(response);
else sipProvider.sendResponse(response);
return;
}
/*
* // ECE355 Changes - Aug. 2005. // Call registry service,
* get response (uri - wsdl). // if response is not null
* then // do our staff // send to caller decline message by
* building a decline msg // and attach wsdl uri in the
* message body // else .. continue the logic below ...
*
*
* // Lets assume that wsdl_string contains the message with
* all the // service names and uri's for each service in
* the required format
*
* // Query for web services for the receiver of INVITE //
* Use WebServices class to get services for org
*
* String messageBody = "" ; WebServicesQuery wsq = null ;
* wsq = WebServicesQuery.getInstance();
*
* // Get services info for receiver // A receiver is
* represented as an organization in the Service Registry
*
* To to = (To)request.getHeader(ToHeader.NAME); String
* toAddress = to.getUserAtHostPort();
*
* // Remove all characters after the @ sign from To address
* StringBuffer sb = new StringBuffer(toAddress); int endsAt
* = sb.indexOf("@"); String orgNamePattern =
* sb.substring(0, endsAt);
*
*
* Collection serviceInfoColl =
* wsq.findServicesForOrg(orgNamePattern);
*
* // If services are found for this receiver (Org), build
* DECLINE message and // send to client if (serviceInfoColl
* != null) { if (serviceInfoColl.size()!= 0 ){
* System.out.println("Found " + serviceInfoColl.size() +
* " services for o rg " + orgNamePattern) ; // Build
* message body for DECLINE message with Service Info
* messageBody = serviceInfoColl.size()+ " -- " ;
*
* Iterator servIter = serviceInfoColl.iterator(); while
* (servIter.hasNext()) { ServiceInfo servInfo =
* (ServiceInfo)servIter.next(); messageBody = messageBody +
* servInfo.getDescription()+ " " + servInfo.getWsdluri() +
* " " + servInfo.getEndPoint()+ " -- ";
*
*
* System.out.println("Name: " + servInfo.getName()) ;
* System.out.println("Providing Organization: " +
* servInfo.getProvidingOrganization()) ;
* System.out.println("Description: " +
* servInfo.getDescription()) ;
* System.out.println("Service End Point " +
* servInfo.getEndPoint()) ; System.out.println("wsdl wri "
* + servInfo.getWsdluri()) ;
* System.out.println("---------------------------------");
*
*
*
* }
*
* System.out.println("ServiceInfo - Message Body " +
* messageBody) ;
*
* // Build and send DECLINE message with web service info
*
* ContentTypeHeader contentTypeHeader = new ContentType(
* "text", "plain");
*
* Response response = messageFactory.createResponse(
* Response.DECLINE, request, contentTypeHeader,
* messageBody);
*
*
*
* if (serverTransaction != null)
* serverTransaction.sendResponse(response); else
* sipProvider.sendResponse(response); return; } else
* System.out.println("There are no services for org " +
* orgNamePattern) ;
*
* }
*
* // End of ECE355 change
*/
// 4. Forward the request statefully to each target Section
// 16.6.:
requestForwarding.forwardRequest(
targetURIList, sipProvider, request, serverTransaction, true);
return;
} else {
// Let's continue and try the default hop.
}
}
// The registrar cannot help to decide the targets, so let's use
// our router: the default hop!
ProxyDebug.println(
"Proxy, processRequest(), the registrar cannot help"
+ " to decide the targets, so let's use our router: the default hop");
Router router = sipStack.getRouter();
if (router != null) {
ProxyHop hop = (ProxyHop) router.getOutboundProxy();
if (hop != null) {
if (ProxyDebug.debug)
ProxyDebug.println(
"Proxy, processRequest(), the target set" + " is the defaut hop: outbound proxy");
// Bug fix contributed by Joe Provino
String user = null;
if (requestURI.isSipURI()) {
SipURI requestSipURI = (SipURI) requestURI;
user = requestSipURI.getUser();
}
SipURI hopURI = addressFactory.createSipURI(user, hop.getHost());
hopURI.setTransportParam(hop.getTransport());
hopURI.setPort(hop.getPort());
targetURI = hopURI;
targetURIList.addElement(targetURI);
// 4. Forward the request statelessly to each target Section
// 16.6.:
requestForwarding.forwardRequest(
targetURIList, sipProvider, request, serverTransaction, false);
return;
}
}
/*
* If the target set remains empty after applying all of the above,
* the proxy MUST return an error response, which SHOULD be the 480
* (Temporarily Unavailable) response.
*/
Response response = messageFactory.createResponse(Response.TEMPORARILY_UNAVAILABLE, request);
if (serverTransaction != null) serverTransaction.sendResponse(response);
else sipProvider.sendResponse(response);
if (ProxyDebug.debug)
ProxyDebug.println(
"Proxy, processRequest(), unable to set "
+ " the targets, 480 (Temporarily Unavailable) replied:\n"
+ response.toString());
} catch (Exception ex) {
try {
if (ProxyDebug.debug) {
ProxyDebug.println("Proxy, processRequest(), internal error, " + "exception raised:");
ProxyDebug.logException(ex);
ex.printStackTrace();
}
// This is an internal error:
// Let's return a 500 SERVER_INTERNAL_ERROR
Response response = messageFactory.createResponse(Response.SERVER_INTERNAL_ERROR, request);
if (serverTransaction != null) serverTransaction.sendResponse(response);
else sipProvider.sendResponse(response);
if (ProxyDebug.debug)
ProxyDebug.println(
"Proxy, processRequest(),"
+ " 500 SERVER_INTERNAL_ERROR replied:\n"
+ response.toString());
} catch (Exception e) {
e.printStackTrace();
}
}
}