session.setAttribute("_FIRST_VISIT_EVENTS_", "complete");
for (ConfigXMLReader.Event event: controllerConfig.getFirstVisitEventList().values()) {
try {
String returnString = this.runEvent(request, response, event, null, "firstvisit");
if (returnString != null && !returnString.equalsIgnoreCase("success")) {
throw new EventHandlerException("First-Visit event did not return 'success'.");
} else if (returnString == null) {
interruptRequest = true;
}
} catch (EventHandlerException e) {
Debug.logError(e, module);
}
}
}
// Invoke the pre-processor (but NOT in a chain)
for (ConfigXMLReader.Event event: controllerConfig.getPreprocessorEventList().values()) {
try {
String returnString = this.runEvent(request, response, event, null, "preprocessor");
if (returnString != null && !returnString.equalsIgnoreCase("success")) {
if (!returnString.contains(":_protect_:")) {
throw new EventHandlerException("Pre-Processor event did not return 'success'.");
} else { // protect the view normally rendered and redirect to error response view
returnString = returnString.replace(":_protect_:", "");
if (returnString.length() > 0) {
request.setAttribute("_ERROR_MESSAGE_", returnString);
}
eventReturn = "protect";
// check to see if there is an "protect" response, if so it's ok else show the default_error_response_view
if (!requestMap.requestResponseMap.containsKey("protect")) {
String protectView = controllerConfig.getProtectView();
if (protectView != null) {
overrideViewUri = protectView;
} else {
overrideViewUri = UtilProperties.getPropertyValue("security.properties", "default.error.response.view");
}
}
}
} else if (returnString == null) {
interruptRequest = true;
}
} catch (EventHandlerException e) {
Debug.logError(e, module);
}
}
}
// Pre-Processor/First-Visit event(s) can interrupt the flow by returning null.
// Warning: this could cause problems if more then one event attempts to return a response.
if (interruptRequest) {
if (Debug.infoOn()) Debug.logInfo("[Pre-Processor Interrupted Request, not running: [" + requestMap.uri + "], sessionId=" + UtilHttp.getSessionId(request), module);
return;
}
if (Debug.verboseOn()) Debug.logVerbose("[Processing Request]: " + requestMap.uri + " sessionId=" + UtilHttp.getSessionId(request), module);
request.setAttribute("thisRequestUri", requestMap.uri); // store the actual request URI
// Perform security check.
if (requestMap.securityAuth) {
// Invoke the security handler
// catch exceptions and throw RequestHandlerException if failed.
if (Debug.verboseOn()) Debug.logVerbose("[RequestHandler]: AuthRequired. Running security check. sessionId=" + UtilHttp.getSessionId(request), module);
ConfigXMLReader.Event checkLoginEvent = requestMapMap.get("checkLogin").event;
String checkLoginReturnString = null;
try {
checkLoginReturnString = this.runEvent(request, response, checkLoginEvent, null, "security-auth");
} catch (EventHandlerException e) {
throw new RequestHandlerException(e.getMessage(), e);
}
if (!"success".equalsIgnoreCase(checkLoginReturnString)) {
// previous URL already saved by event, so just do as the return says...
eventReturn = checkLoginReturnString;
requestMap = requestMapMap.get("checkLogin");
}
}
// after security check but before running the event, see if a post-login redirect has completed and we have data from the pre-login request form to use now
// we know this is the case if the _PREVIOUS_PARAM_MAP_ attribute is there, but the _PREVIOUS_REQUEST_ attribute has already been removed
if (request.getSession().getAttribute("_PREVIOUS_PARAM_MAP_FORM_") != null && request.getSession().getAttribute("_PREVIOUS_REQUEST_") == null) {
Map<String, Object> previousParamMap = UtilGenerics.checkMap(request.getSession().getAttribute("_PREVIOUS_PARAM_MAP_FORM_"), String.class, Object.class);
for (Map.Entry<String, Object> previousParamEntry: previousParamMap.entrySet()) {
request.setAttribute(previousParamEntry.getKey(), previousParamEntry.getValue());
}
// to avoid this data being included again, now remove the _PREVIOUS_PARAM_MAP_ attribute
request.getSession().removeAttribute("_PREVIOUS_PARAM_MAP_FORM_");
}
// now we can start looking for the next request response to use
ConfigXMLReader.RequestResponse nextRequestResponse = null;
// Invoke the defined event (unless login failed)
if (eventReturn == null && requestMap.event != null) {
if (requestMap.event.type != null && requestMap.event.path != null && requestMap.event.invoke != null) {
try {
long eventStartTime = System.currentTimeMillis();
// run the request event
eventReturn = this.runEvent(request, response, requestMap.event, requestMap, "request");
// save the server hit for the request event
if (this.trackStats(request)) {
ServerHitBin.countEvent(cname + "." + requestMap.event.invoke, request, eventStartTime,
System.currentTimeMillis() - eventStartTime, userLogin);
}
// set the default event return
if (eventReturn == null) {
nextRequestResponse = ConfigXMLReader.emptyNoneRequestResponse;
}
} catch (EventHandlerException e) {
// check to see if there is an "error" response, if so go there and make an request error message
if (requestMap.requestResponseMap.containsKey("error")) {
eventReturn = "error";
Locale locale = UtilHttp.getLocale(request);
String errMsg = UtilProperties.getMessage("WebappUiLabels", "requestHandler.error_call_event", locale);
request.setAttribute("_ERROR_MESSAGE_", errMsg + ": " + e.toString());
} else {
throw new RequestHandlerException("Error calling event and no error response was specified", e);
}
}
}
}
// Process the eventReturn
// at this point eventReturnString is finalized, so get the RequestResponse
ConfigXMLReader.RequestResponse eventReturnBasedRequestResponse = eventReturn == null ? null : requestMap.requestResponseMap.get(eventReturn);
if (eventReturnBasedRequestResponse != null) {
//String eventReturnBasedResponse = requestResponse.value;
if (Debug.verboseOn()) Debug.logVerbose("[Response Qualified]: " + eventReturnBasedRequestResponse.name + ", " + eventReturnBasedRequestResponse.type + ":" + eventReturnBasedRequestResponse.value + " sessionId=" + UtilHttp.getSessionId(request), module);
// If error, then display more error messages:
if ("error".equals(eventReturnBasedRequestResponse.name)) {
if (Debug.errorOn()) {
String errorMessageHeader = "Request " + requestMap.uri + " caused an error with the following message: ";
if (request.getAttribute("_ERROR_MESSAGE_") != null) {
Debug.logError(errorMessageHeader + request.getAttribute("_ERROR_MESSAGE_"), module);
}
if (request.getAttribute("_ERROR_MESSAGE_LIST_") != null) {
Debug.logError(errorMessageHeader + request.getAttribute("_ERROR_MESSAGE_LIST_"), module);
}
}
}
} else if (eventReturn != null) {
// only log this warning if there is an eventReturn (ie skip if no event, etc)
Debug.logWarning("Could not find response in request [" + requestMap.uri + "] for event return [" + eventReturn + "]", module);
}
// Set the next view (don't use event return if success, default to nextView (which is set to eventReturn later if null); also even if success if it is a type "none" response ignore the nextView, ie use the eventReturn)
if (eventReturnBasedRequestResponse != null && (!"success".equals(eventReturnBasedRequestResponse.name) || "none".equals(eventReturnBasedRequestResponse.type))) nextRequestResponse = eventReturnBasedRequestResponse;
// get the previous request info
String previousRequest = (String) request.getSession().getAttribute("_PREVIOUS_REQUEST_");
String loginPass = (String) request.getAttribute("_LOGIN_PASSED_");
// restore previous redirected request's attribute, so redirected page can display previous request's error msg etc.
String preReqAttStr = (String) request.getSession().getAttribute("_REQ_ATTR_MAP_");
Map<String, Object> previousRequestAttrMap = null;
if (preReqAttStr != null) {
previousRequestAttrMap = FastMap.newInstance();
request.getSession().removeAttribute("_REQ_ATTR_MAP_");
byte[] reqAttrMapBytes = StringUtil.fromHexString(preReqAttStr);
Map<String, Object> preRequestMap = checkMap(UtilObject.getObject(reqAttrMapBytes), String.class, Object.class);
if (UtilValidate.isNotEmpty(preRequestMap)) {
for (Map.Entry<String, Object> entry: preRequestMap.entrySet()) {
String key = entry.getKey();
if ("_ERROR_MESSAGE_LIST_".equals(key) || "_ERROR_MESSAGE_MAP_".equals(key) || "_ERROR_MESSAGE_".equals(key) ||
"_EVENT_MESSAGE_LIST_".equals(key) || "_EVENT_MESSAGE_".equals(key)) {
request.setAttribute(key, entry.getValue());
previousRequestAttrMap.put(key, entry.getValue());
}
}
}
}
if (Debug.verboseOn()) Debug.logVerbose("[RequestHandler]: previousRequest - " + previousRequest + " (" + loginPass + ")" + " sessionId=" + UtilHttp.getSessionId(request), module);
// if previous request exists, and a login just succeeded, do that now.
if (previousRequest != null && loginPass != null && loginPass.equalsIgnoreCase("TRUE")) {
request.getSession().removeAttribute("_PREVIOUS_REQUEST_");
// special case to avoid login/logout looping: if request was "logout" before the login, change to null for default success view; do the same for "login" to avoid going back to the same page
if ("logout".equals(previousRequest) || "/logout".equals(previousRequest) || "login".equals(previousRequest) || "/login".equals(previousRequest) || "checkLogin".equals(previousRequest) || "/checkLogin".equals(previousRequest) || "/checkLogin/login".equals(previousRequest)) {
Debug.logWarning("Found special _PREVIOUS_REQUEST_ of [" + previousRequest + "], setting to null to avoid problems, not running request again", module);
} else {
if (Debug.infoOn()) Debug.logInfo("[Doing Previous Request]: " + previousRequest + " sessionId=" + UtilHttp.getSessionId(request), module);
// note that the previous form parameters are not setup (only the URL ones here), they will be found in the session later and handled when the old request redirect comes back
Map<String, Object> previousParamMap = UtilGenerics.checkMap(request.getSession().getAttribute("_PREVIOUS_PARAM_MAP_URL_"), String.class, Object.class);
String queryString = UtilHttp.urlEncodeArgs(previousParamMap, false);
String redirectTarget = previousRequest;
if (UtilValidate.isNotEmpty(queryString)) {
redirectTarget += "?" + queryString;
}
callRedirect(makeLink(request, response, redirectTarget), response, request);
// the old/uglier way: doRequest(request, response, previousRequest, userLogin, delegator);
// this is needed as the request handled will be taking care of the view, etc
return;
}
}
ConfigXMLReader.RequestResponse successResponse = requestMap.requestResponseMap.get("success");
if ((eventReturn == null || "success".equals(eventReturn)) && successResponse != null && "request".equals(successResponse.type)) {
// chains will override any url defined views; but we will save the view for the very end
if (UtilValidate.isNotEmpty(overrideViewUri)) {
request.setAttribute("_POST_CHAIN_VIEW_", overrideViewUri);
}
nextRequestResponse = successResponse;
}
// Make sure we have some sort of response to go to
if (nextRequestResponse == null) nextRequestResponse = successResponse;
if (nextRequestResponse == null) {
throw new RequestHandlerException("Illegal response; handler could not process request [" + requestMap.uri + "] and event return [" + eventReturn + "].");
}
if (Debug.verboseOn()) Debug.logVerbose("[Event Response Selected] type=" + nextRequestResponse.type + ", value=" + nextRequestResponse.value + ", sessionId=" + UtilHttp.getSessionId(request), module);
// ========== Handle the responses - chains/views ==========
// if the request has the save-last-view attribute set, save it now before the view can be rendered or other chain done so that the _LAST* session attributes will represent the previous request
if (nextRequestResponse.saveLastView) {
// Debug.log("======save last view: " + session.getAttribute("_LAST_VIEW_NAME_"));
String lastViewName = (String) session.getAttribute("_LAST_VIEW_NAME_");
// Do not save the view if the last view is the same as the current view and saveCurrentView is false
if (!(!nextRequestResponse.saveCurrentView && "view".equals(nextRequestResponse.type) && nextRequestResponse.value.equals(lastViewName))) {
session.setAttribute("_SAVED_VIEW_NAME_", session.getAttribute("_LAST_VIEW_NAME_"));
session.setAttribute("_SAVED_VIEW_PARAMS_", session.getAttribute("_LAST_VIEW_PARAMS_"));
}
}
String saveName = null;
if (nextRequestResponse.saveCurrentView) { saveName = "SAVED"; }
if (nextRequestResponse.saveHomeView) { saveName = "HOME"; }
if ("request".equals(nextRequestResponse.type)) {
// chained request
Debug.logInfo("[RequestHandler.doRequest]: Response is a chained request." + " sessionId=" + UtilHttp.getSessionId(request), module);
doRequest(request, response, nextRequestResponse.value, userLogin, delegator);
} else {
// ======== handle views ========
// first invoke the post-processor events.
for (ConfigXMLReader.Event event: controllerConfig.getPostprocessorEventList().values()) {
try {
String returnString = this.runEvent(request, response, event, requestMap, "postprocessor");
if (returnString != null && !returnString.equalsIgnoreCase("success")) {
throw new EventHandlerException("Post-Processor event did not return 'success'.");
}
} catch (EventHandlerException e) {
Debug.logError(e, module);
}
}