}
private Packet processRequest(Packet request) throws Exception {
AuthStatus status = AuthStatus.SUCCESS;
PacketMessageInfo info= new PacketMapMessageInfo(request,new Packet());
// XXX at this time, we expect the server subject to be null
Subject serverSubject = (Subject)
request.invocationProperties.get(PipeConstants.SERVER_SUBJECT);
//could change the request packet
ServerAuthContext sAC =
helper.getServerAuthContext(info,serverSubject);
Subject clientSubject = getClientSubject(request);
final Packet validatedRequest;
try {
if (sAC != null) {
// client subject must not be null
// and when return status is SUCCESS, module
// must have called handler.handle(CallerPrincipalCallback)
status = sAC.validateRequest(info,clientSubject,serverSubject);
}
} catch(Exception e) {
_logger.log(Level.SEVERE,"ws.error_validate_request", e);
WebServiceException wse = new WebServiceException
(localStrings.getLocalString
("enterprise.webservice.cantValidateRequest",
"Cannot validate request for {0}",
new Object[] { helper.getModelName() }),e);
//set status for audit
status = AuthStatus.SEND_FAILURE;
// if unable to determine if two-way will return empty response
return helper.getFaultResponse
(info.getRequestPacket(),info.getResponsePacket(),wse);
} finally {
validatedRequest = info.getRequestPacket();
helper.auditInvocation(validatedRequest,status);
}
Packet response = null;
if (status == AuthStatus.SUCCESS) {
boolean authorized = false;
try {
helper.authorize(validatedRequest);
authorized = true;
} catch (Exception e) {
// not authorized, construct fault and proceded
response = helper.getFaultResponse
(validatedRequest,info.getResponsePacket(),e);
}
if (authorized) {
// only do doAdPriv if SecurityManager is in effect
if (System.getSecurityManager() == null) {
try {
// proceed to invoke the endpoint
response = next.process(validatedRequest);
} catch (Exception e) {
_logger.log(Level.SEVERE, "ws.error_next_pipe", e);
response = helper.getFaultResponse(validatedRequest, info.getResponsePacket(), e);
}
} else {
try {
response = (Packet)Subject.doAsPrivileged
(clientSubject,new PrivilegedExceptionAction() {
public Object run() throws Exception {
// proceed to invoke the endpoint
return next.process(validatedRequest);
}
}, null);
} catch (PrivilegedActionException pae) {
Throwable cause = pae.getCause();
_logger.log(Level.SEVERE,"ws.error_next_pipe", cause);
response = helper.getFaultResponse
(validatedRequest,info.getResponsePacket(),cause);
}
}
}
//pipes are not supposed to return a null response packet
if (response == null) {
WebServiceException wse = new WebServiceException
(localStrings.getLocalString
("enterprise.webservice.nullResponsePacket",
"Invocation of Service {0} returned null response packet",
new Object[] { helper.getModelName() }));
response = helper.getFaultResponse
(validatedRequest,info.getResponsePacket(),wse);
_logger.log(Level.SEVERE,"",wse);
}
// secure response, including if it is a fault
if (sAC != null && response.getMessage() != null) {
info.setResponsePacket(response);
response = processResponse(info, sAC, serverSubject);
}
} else {
// validateRequest did not return success
if (_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE,"ws.status_validate_request", status);
}
// even for one-way mep, may return response with non-empty message
response = info.getResponsePacket();
}
return response;
}