private void handleBeforeEvent(InstanceEvent event, InstanceEvent.EventType eventType) {
Context context = (Context) event.getWrapper().getParent();
if (!(context instanceof WebModule)) {
return;
}
WebModule wm = (WebModule)context;
Object instance;
if (eventType == InstanceEvent.EventType.BEFORE_FILTER_EVENT) {
instance = event.getFilter();
} else {
instance = event.getServlet();
}
// set security context
// BEGIN IAfSRI 4688449
//try {
Realm ra = context.getRealm();
/** IASRI 4713234
if (ra != null) {
HttpServletRequest request =
(HttpServletRequest) event.getRequest();
if (request != null && request.getUserPrincipal() != null) {
WebPrincipal prin =
(WebPrincipal) request.getUserPrincipal();
// ra.authenticate(prin);
// It is inefficient to call authenticate just to set
// sec.ctx. Instead, WebPrincipal modified to keep the
// previously created secctx, and set it here directly.
SecurityContext.setCurrent(prin.getSecurityContext());
}
}
**/
// START OF IASRI 4713234
if (ra != null) {
ServletRequest request = event.getRequest();
if (request != null && request instanceof HttpServletRequest) {
HttpServletRequest hreq = (HttpServletRequest)request;
HttpServletRequest base = hreq;
Principal prin = hreq.getUserPrincipal();
Principal basePrincipal = prin;
boolean wrapped = false;
while (prin != null) {
if (base instanceof ServletRequestWrapper) {
// unwarp any wrappers to find the base object
ServletRequest sr =
((ServletRequestWrapper) base).getRequest();
if (sr instanceof HttpServletRequest) {
base = (HttpServletRequest) sr;
wrapped = true;
continue;
}
}
if (wrapped) {
basePrincipal = base.getUserPrincipal();
}
else if (base instanceof RequestFacade) {
// try to avoid the getUnWrappedCoyoteRequest call
// when we can identify see we have the texact class.
if (base.getClass() != RequestFacade.class) {
basePrincipal = ((RequestFacade)base).
getUnwrappedCoyoteRequest().getUserPrincipal();
}
} else {
basePrincipal = base.getUserPrincipal();
}
break;
}
if (prin != null && prin == basePrincipal &&
prin.getClass().getName().equals(SecurityConstants.WEB_PRINCIPAL_CLASS)) {
securityContext.setSecurityContextWithPrincipal(prin);
} else if (prin != basePrincipal) {
// the wrapper has overridden getUserPrincipal
// reject the request if the wrapper does not have
// the necessary permission.
checkObjectForDoAsPermission(hreq);
securityContext.setSecurityContextWithPrincipal(prin);
}
}
}
// END OF IASRI 4713234
// END IASRI 4688449
ComponentInvocation inv = new WebComponentInvocation(wm, instance);
try {
im.preInvoke(inv);
if (eventType == InstanceEvent.EventType.BEFORE_SERVICE_EVENT) {
// Emit monitoring probe event
wm.beforeServiceEvent(event.getWrapper().getName());
// enlist resources with TM for service method
Transaction tran;
if ((tran = tm.getTransaction()) != null) {
inv.setTransaction(tran);
}