String aor = URIUtil.toCanonical(register.getTo().getURI());
ListIterator<String> it2 = register.getHeaders(Constants.REQUIRE);
if (it2.hasNext())
{
SipServletResponse response = register.createResponse(SipServletResponse.SC_BAD_EXTENSION);
while (it2.hasNext())
response.addHeader(Constants.UNSUPPORTED, it2.next());
response.send();
return;
}
long now = System.currentTimeMillis();
List<Binding> bindings;
Registration record = _locationService.get(aor);
record.addListener(_regEventPackage.getRegistrationListener());
try
{
bindings = record.getBindings();
if (bindings == null)
bindings = Collections.emptyList();
Iterator<Address> it = register.getAddressHeaders(Constants.CONTACT);
if (it.hasNext())
{
List<Address> contacts = new ArrayList<Address>();
boolean wildcard = false;
while (it.hasNext())
{
Address contact = it.next();
if (contact.isWildcard())
{
wildcard = true;
if (it.hasNext() || contacts.size() > 0 || register.getExpires() > 0)
{
register.createResponse(SipServletResponse.SC_BAD_REQUEST, "Invalid wildcard").send();
return;
}
}
contacts.add(contact);
}
String callId = register.getCallId();
int cseq;
try
{
String s = register.getHeader(Constants.CSEQ);
cseq = Integer.parseInt(s.substring(0, s.indexOf(' ')));
}
catch (Exception e)
{
register.createResponse(SipServletResponse.SC_BAD_REQUEST).send();
return;
}
if (wildcard)
{
for (Binding binding : bindings)
{
if (callId.equals(binding.getCallId()) && cseq < binding.getCSeq())
{
_log.debug("Got lower CSeq for aor {} and call-ID {}", aor, binding.getCallId());
register.createResponse(SipServletResponse.SC_SERVER_INTERNAL_ERROR, "Lower CSeq").send();
return;
}
}
if (_log.isDebugEnabled())
_log.debug("removing all bindings for aor " + aor);
record.removeAllBindings();
}
else
{
for (Address contact : contacts)
{
int expires = -1;
expires = contact.getExpires();
if (expires < 0)
expires = register.getExpires();
if (expires != 0)
{
if (expires < 0)
expires = _defaultExpires;
if (expires > _maxExpires)
expires = _maxExpires;
if (expires < _minExpires)
{
SipServletResponse response = register.createResponse(SipServletResponse.SC_INTERVAL_TOO_BRIEF);
response.addHeader(Constants.MIN_EXPIRES, Integer.toString(_minExpires));
response.send();
return;
}
}
Binding binding = null;
for (int i = 0; i < bindings.size() && binding == null; i++)
{
binding = bindings.get(i);
if (!contact.getURI().equals(binding.getContact()))
binding = null;
}
if (binding != null)
{
if (callId.equals(binding.getCallId()) && cseq < binding.getCSeq())
{
_log.debug("Got lower CSeq for aor {} and call-ID {}", aor, binding.getCallId());
register.createResponse(SipServletResponse.SC_SERVER_INTERNAL_ERROR, "Lower CSeq").send();
return;
}
if (expires == 0)
{
if (_log.isDebugEnabled())
_log.debug("removing binding {} for aor {}", binding, aor);
record.removeBinding(binding);
}
else
{
if (_log.isDebugEnabled())
_log.debug("updating binding {} for aor {}", binding, aor);
record.updateBinding(binding, contact.getURI(), callId, cseq, now + expires*1000);
}
}
if (binding == null && expires != 0)
{
binding = new Binding(contact.getURI(), callId, cseq, now + expires*1000);
if (_log.isDebugEnabled())
_log.debug("adding binding {} to aor {}", binding, aor);
record.addBinding(binding);
}
}
}
bindings = record.getBindings();
}
}
finally
{
_locationService.put(record);
}
SipServletResponse ok = register.createResponse(SipServletResponse.SC_OK);
ok.addHeader(Constants.DATE, _dateFormat.format(new Date(now)));
if (bindings != null)
{
for (Binding binding : bindings)
{
Address address = _sipFactory.createAddress(binding.getContact());
address.setExpires((int) ((binding.getExpirationTime() - now) / 1000));
ok.addAddressHeader(Constants.CONTACT, address,false);
}
}
ok.send();
}