File "AICCComm.html"
Full path: /var/www/vhosts/msproyectoscloud.cl/siadrecursos.msproyectoscloud.cl/RECURSOS/recursos.siadspsminsal.cl/REAS/M3/lms/AICCComm.html
File size: 21.19 KiB (21702 bytes)
MIME-type: text/html
Charset: utf-8
<!--/* Copyright © 2003-2011 Rustici Software, LLC All Rights Reserved. www.scorm.com - See LICENSE.txt for usage restrictions */-->
<html>
<head>
<script language="JavaScript1.2">
function WriteToDebug(str){
window.parent.WriteToDebug("AICCComm - " + str);
}
function DisplayError(strMessage){
window.parent.DisplayError(strMessage);
}
function CreateXmlHttp()
{
var xmlHttp = null;
var arrCtrlName = new Array("MSXML2.XMLHttp.5.0", "MSXML2.XMLHttp.4.0", "MSXML2.XMLHttp.3.0", "MSXML2.XMLHttp", "Microsoft.XMLHttp");
var nIndex = 0;
if (window.XMLHttpRequest)
{
try
{
xmlHttp = new XMLHttpRequest();
}
catch (e)
{
xmlHttp = null;
}
}
if (xmlHttp == null && window.ActiveXObject)
{
// Use the ActiveX Control
while (xmlHttp == null && nIndex < arrCtrlName.length)
{
try
{
xmlHttp = new ActiveXObject(arrCtrlName[nIndex]);
}
catch (e)
{
xmlHttp = null;
}
nIndex++;
}
}
return xmlHttp;
}
</script>
<script language="JavaScript" src="browsersniff.js"></script>
<script language="JavaScript">
var objXMLHTTP = CreateXmlHttp();
var canUseTryCatch = true
//variables to check for the IFrame's load
var intReCheckLoadedInterval = window.parent.AICC_RE_CHECK_LOADED_INTERVAL;
var intReCheckAttemptsBeforeTimeout = window.parent.AICC_RE_CHECK_ATTEMPTS_BEFORE_TIMEOUT;
var intReCheckAttempts = 0;
var IFrameLoaded_TimeOutID = "";
var blnIFrameLoaded = false;
//AICC Data - content will set these variables (through public methods) for submission to the LMS
var strLessonLocation = "";
var strLessonStatus = "i";
var strScore = "";
var strTime = "00:00:00";
var lastPostType = {};
//Communication Capabilities of the current browser - we check the actual capabilities
//rather than specific browsers to ensure forward compatibility and compatibility with untested browsers
var blnCanUseXMLHTTP; //set in the onload event
var blnCanUseIFrame;
var blnXMLHTTPIsAvailable; //determines if the browser supports the XmlHttp object
var blnCanUseSyncXHR;
var blnAppearsToBeCrossDomain;
//constants
var REQUEST_TYPE_GET = "GETPARAM";
var REQUEST_TYPE_PUT = "PUTPARAM";
var REQUEST_TYPE_PUT_INTERACTIONS = "PUTINTERACTIONS";
var REQUEST_TYPE_EXIT = "EXITAU";
WriteToDebug("intReCheckLoadedInterval=" + intReCheckLoadedInterval);
WriteToDebug("intReCheckAttemptsBeforeTimeout=" + intReCheckAttemptsBeforeTimeout);
//---------------------------------------------------------------------
//Public Functions
//---------------------------------------------------------------------
function MakeGetParamRequest(){
var strAICCSID;
var strAICCURL;
WriteToDebug ("In MakeGetParamRequest");
strAICCSID = GetAICCSID();
strAICCURL = GetAICCURL();
WriteToDebug ("Submitting Form");
SubmitForm(strAICCURL, strAICCSID, REQUEST_TYPE_GET, "");
}
function MakePutParamRequest(strAICCData){
var strAICCSID;
var strAICCURL;
var strAICCData;
WriteToDebug ("In MakePutParamRequest");
if (parent.blnReviewModeSoReadOnly){
WriteToDebug("Mode is Review and configuration setting dictates this should be read only so exiting.");
return true;
}
strAICCSID = GetAICCSID();
strAICCURL = GetAICCURL();
WriteToDebug ("Submitting Form");
SubmitForm(strAICCURL, strAICCSID, REQUEST_TYPE_PUT, strAICCData);
}
function MakePutInteractionsRequest(strAICCData){
var strAICCSID;
var strAICCURL;
var strAICCData;
WriteToDebug ("In MakePutInteractionsRequest");
if (parent.blnReviewModeSoReadOnly){
WriteToDebug("Mode is Review and configuration setting dictates this should be read only so exiting.");
return true;
}
strAICCSID = GetAICCSID();
strAICCURL = GetAICCURL();
WriteToDebug ("Submitting Form");
SubmitForm(strAICCURL, strAICCSID, REQUEST_TYPE_PUT_INTERACTIONS, strAICCData);
}
function MakeExitAURequest(){
var strAICCSID;
var strAICCURL;
WriteToDebug ("In MakeExitAURequest");
strAICCSID = GetAICCSID();
strAICCURL = GetAICCURL();
WriteToDebug ("Submitting Form");
SubmitForm(strAICCURL, strAICCSID, REQUEST_TYPE_EXIT, "");
}
//---------------------------------------------------------------------
//Private Functions
//---------------------------------------------------------------------
//---------------------------------------------------------------------
//IFrame Functions
//---------------------------------------------------------------------
function CheckIFrameLoaded(strRequestType){
WriteToDebug("In CheckIFrameLoaded strRequestType=" + strRequestType);
if (blnIFrameLoaded){
WriteToDebug("Frame Loaded");
ProcessLMSResult(strRequestType, GetIFrameContents());
}
else{
//re-call, check for time out
WriteToDebug("Frame Not Loaded");
intReCheckAttempts ++;
if (intReCheckAttempts > intReCheckAttemptsBeforeTimeout){
WriteToDebug("Frame Timeout Error");
parent.InitializeExecuted(false, "The LMS timed out while responding to an AICC request.");
}
else{
WriteToDebug("Resetting CheckIFrameLoaded");
IFrameLoaded_TimeOutID = window.setTimeout("CheckIFrameLoaded('" + strRequestType + "')", intReCheckLoadedInterval);
}
}
}
function IFrameLoaded(){
WriteToDebug(" IFrameLoaded ");
blnIFrameLoaded = true;
}
function GetIFrameContents(){
var strContents;
WriteToDebug("In GetIFrameContents");
if (canUseTryCatch == true){
try{
strContents = window.AICCFrame.document.body.innerHTML;
}
catch (e){
WriteToDebug("Error submitting form via IFrame, falling back to normal form post and returning ''. Error=" + ((e.message)?e.message:e.toString()) );
blnCanUseIFrame = false;
strContents = "";
}
}
else{
strContents = window.AICCFrame.document.body.innerHTML;
}
WriteToDebug("strContents=" + strContents);
return strContents;
}
function SubmitFormUsingIFrame(strAICCURL, strAICCSID, strRequestType, strAICCData){
WriteToDebug ("In SubmitFormUsingIFrame, setting fields");
document.frmAICC.action = strAICCURL;
document.frmAICC.session_id.value = strAICCSID;
document.frmAICC.command.value = strRequestType;
document.frmAICC.aicc_data.value = strAICCData;
WriteToDebug ("Submitting Form");
document.frmAICC.submit();
blnIFrameLoaded = false;
intReCheckAttempts = 0;
WriteToDebug ("Clearing Timeout");
if (IFrameLoaded_TimeOutID != ""){
window.clearTimeout(IFrameLoaded_TimeOutID);
IFrameLoaded_TimeOutID = "";
}
CheckIFrameLoaded(strRequestType);
}
//---------------------------------------------------------------------
//XML HTTP Object Functions
//---------------------------------------------------------------------
var waitingAiccResponse = false;
var aiccQueue = [];
function FormatPostData(strAICCSID, strRequestType, strAICCData) {
return "session_id=" + URLEncode(strAICCSID) +
"&version=3.5" +
"&command=" + URLEncode(strRequestType) +
"&aicc_data=" + URLEncode(strAICCData)
}
function SubmitFormUsingXMLHTTP(strAICCURL, strAICCSID, strRequestType, strAICCData){
if (waitingAiccResponse) {
aiccQueue.push([strAICCURL, strAICCSID, strRequestType, strAICCData]);
return;
}
var strPostData = FormatPostData(strAICCSID, strRequestType, strAICCData);
WriteToDebug("In SubmitFormUsingXMLHTTP, opening connetion");
objXMLHTTP.open("POST", strAICCURL);
WriteToDebug("Setting Request Header");
objXMLHTTP.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
WriteToDebug("Sending Post Data-" + strPostData);
waitingAiccResponse = true;
objXMLHTTP.onload = function (e) {
if (objXMLHTTP.readyState === 4) {
waitingAiccResponse = false;
WriteToDebug("LMS Response=" + objXMLHTTP.responseText);
ProcessLMSResult(strRequestType, objXMLHTTP.responseText);
SendNextQueue();
}
};
objXMLHTTP.send(strPostData);
}
function SubmitFormUsingSyncXHR(strAICCURL, strAICCSID, strRequestType, strAICCData) {
var strPostData = FormatPostData(strAICCSID, strRequestType, strAICCData);
objXMLHTTP.open("POST", strAICCURL, false);
objXMLHTTP.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
objXMLHTTP.send(strPostData);
ProcessLMSResult(strRequestType, objXMLHTTP.responseText);
}
function SendNextQueue() {
if (aiccQueue.length > 0) {
var queuedMsg = aiccQueue.shift();
SubmitFormUsingXMLHTTP(queuedMsg[0], queuedMsg[1], queuedMsg[2], queuedMsg[3]);
}
}
function URLEncode(str){
str = new String(str);
str = escape(str);
str = str.replace(/%20/g, "+");
return str;
}
//---------------------------------------------------------------------
//Blind Form Submit Functions
//---------------------------------------------------------------------
function SubmitFormNormally(strAICCURL, strAICCSID, strRequestType, strAICCData){
WriteToDebug ("In SubmitFormNormally, setting fields");
document.frmAICC.target = "rusticisoftware_aicc_results"; //keep this name fairly unique to avoid a potential naming conflict with LMS frames
document.frmAICC.action = strAICCURL;
document.frmAICC.session_id.value = strAICCSID;
document.frmAICC.command.value = strRequestType;
document.frmAICC.aicc_data.value = strAICCData;
WriteToDebug ("Submitting Form");
document.frmAICC.submit();
ProcessLMSResult(strRequestType, "");
}
//---------------------------------------------------------------------
//Form Submission Functions
//---------------------------------------------------------------------
function DetectPreferredCommMethod(){
//if we have an XMLHTTP object, use that
//else, if we can see the IFrame, use that
//else - use a blind (write only) form submit
/*
MR 5/30/07 - Don't do any hard and fast domain checking, we'll simply try the post in a try/catch and check for
a permission denied error. If the post does not succeed, we'll fall back on a normal form post.
The rules for cross domain scripting have gotten quite complicated recently, they now relate to
how the XmlHttp object was created, the browser type/version and the security context of each site.
*/
//if the domain of the strAICCURL does not match the current domain, then note that cross domain probably won't work
blnAppearsToBeCrossDomain = false;
var strContentDomain = window.document.domain;
var strAICCURL = GetAICCURL();
var aryUrlParts = strAICCURL.split("/");
var strLmsDomain;
var blnCrossDomain = false;
blnCanUseSyncXHR = /MSIE|Trident/.test(window.navigator.userAgent);
if (strAICCURL.toLowerCase().indexOf("http://") == 0 || strAICCURL.toLowerCase().indexOf("https://") == 0){
strLmsDomain = aryUrlParts[2]
}
else{
strLmsDomain = aryUrlParts[0];
}
if (strLmsDomain.toLowerCase() != strContentDomain.toLowerCase()){
//WriteToDebug("LMS and Content Domains don't match, falling back to write-only mode using form submit. strLmsDomain=" + strLmsDomain + ", strContentDomain=" + strContentDomain);
//blnCanUseXMLHTTP = false;
//blnCanUseIFrame = false;
//blnCrossDomain = true;
blnAppearsToBeCrossDomain = true;
}
if (objXMLHTTP != null){
blnXMLHTTPIsAvailable = true;
}
else{
blnXMLHTTPIsAvailable = false;
}
//if (!blnCrossDomain)
//{
if (parent.AICC_COMM_DISABLE_XMLHTTP)
{
WriteToDebug("In DetectPreferredCommMethod, config override of XMLHTTP to false");
blnCanUseXMLHTTP = false;
}
else
{
WriteToDebug("In DetectPreferredCommMethod, checking XMLHTTP");
if (objXMLHTTP != null){
blnCanUseXMLHTTP = true;
}
else{
blnCanUseXMLHTTP = false;
}
}
if (parent.AICC_COMM_DISABLE_IFRAME)
{
WriteToDebug("In DetectPreferredCommMethod, config override of IFRAME to false");
blnCanUseIFrame = false;
}
else
{
//note use of short circuit AND to prevent error if browser doesn't recognize part of the IFrame
//in Opera 7, there needs to be something in the body of the IFrame for the last condition to evaluate to true
//in opera 7.1, all tests will pass, but the onload event doesn not fire due to a bug, add a check for blnIFrameLoaded
//to ensure that the onload event fired
WriteToDebug("Checking IFrame");
if (window.AICCFrame &&
window.AICCFrame.document &&
window.AICCFrame.document.body &&
window.AICCFrame.document.body.innerHTML &&
blnIFrameLoaded){
blnCanUseIFrame = true;
}
else{
blnCanUseIFrame = false;
}
}
//}
WriteToDebug("blnCanUseXMLHTTP=" + blnCanUseXMLHTTP);
WriteToDebug("blnCanUseIFrame=" + blnCanUseIFrame);
}
var courseExiting = false;
var waitingToConcede = false;
function PrepareCourseExit(actionConceded) {
courseExiting = true;
waitingToConcede = actionConceded;
if (navigator.sendBeacon != null && !waitingToConcede) {
for (var i = 0; i < aiccQueue.length; i++) {
var queuedMsg = aiccQueue.shift();
SubmitWithBeacon(queuedMsg[0], queuedMsg[1], queuedMsg[2], queuedMsg[3]);
}
aiccQueue = [];
}
}
function SubmitWithBeacon(strAICCURL, strAICCSID, strRequestType, strAICCData) {
var strPostData = FormatPostData(strAICCSID, strRequestType, strAICCData);
navigator.sendBeacon(strAICCURL, new Blob([strPostData], { type: 'application/x-www-form-urlencoded' }))
}
function SubmitForm(strAICCURL, strAICCSID, strRequestType, strAICCData){
if (lastPostType[strRequestType] === strAICCData) {
return;
}
WriteToDebug ("In SubmitForm, setting fields");
WriteToDebug ("strAICCURL = " + strAICCURL);
WriteToDebug ("strAICCSID = " + strAICCSID);
WriteToDebug ("strCommand = " + strRequestType);
WriteToDebug ("strAICCData = " + strAICCData);
WriteToDebug ("blnCanUseXMLHTTP = " + blnCanUseXMLHTTP);
WriteToDebug ("blnCanUseIFrame = " + blnCanUseIFrame);
WriteToDebug ("canUseTryCatch = " + canUseTryCatch);
if (courseExiting && !waitingToConcede && navigator.sendBeacon != null) {
SubmitWithBeacon(strAICCURL, strAICCSID, strRequestType, strAICCData);
} else if (blnCanUseXMLHTTP){
// try/catch is supported in all browsers that support xmlHttp
try{
if (blnCanUseSyncXHR) {
SubmitFormUsingSyncXHR(strAICCURL, strAICCSID, strRequestType, strAICCData);
} else {
SubmitFormUsingXMLHTTP(strAICCURL, strAICCSID, strRequestType, strAICCData);
}
}
catch(e){
waitingAiccResponse = false;
//we have a cross domain issue, so fall back on normal form posts
WriteToDebug("Error submitting form via XmlHttp, falling back to normal form post. Error=" + ((e.message)?e.message:e.toString()));
blnCanUseXMLHTTP = false;
blnCanUseIFrame = false;
SubmitForm(strAICCURL, strAICCSID, strRequestType, strAICCData);
}
}
else if(blnCanUseIFrame){
//if we're in a browser that can trap errors, try to trap a permission denied error
//otherwise, check our rudimentry domain checking to see if we should try iFrame. If it is
//a disallowed cross domain request that results in a permission denied error
//then we need to manually disable the iFrame post in the configuration file.
if (canUseTryCatch == true){
//this try catch probably won't fire, it will be the one up in GetIFrameContents,
//in there we just set things to fall back on normal form posts
//no need to re-submit the form because it was just the initial Get that won't return data anyway
try{
SubmitFormUsingIFrame(strAICCURL, strAICCSID, strRequestType, strAICCData);
}
catch (e){
//we have a cross domain issue, so fall back on normal form posts
WriteToDebug("Error submitting form via IFrame, falling back to normal form post. Error=" + ((e.message)?e.message:e.toString()));
blnCanUseIFrame = false;
SubmitForm(strAICCURL, strAICCSID, strRequestType, strAICCData);
}
}
else{
if (blnAppearsToBeCrossDomain == false){
SubmitFormUsingIFrame(strAICCURL, strAICCSID, strRequestType, strAICCData);
}
else{
blnCanUseIFrame = false;
SubmitForm(strAICCURL, strAICCSID, strRequestType, strAICCData);
}
}
}
else{
SubmitFormNormally(strAICCURL, strAICCSID, strRequestType, strAICCData);
}
if (strRequestType != REQUEST_TYPE_GET) {
lastPostType[strRequestType] = strAICCData;
}
}
//---------------------------------------------------------------------
//AICC Functions
//---------------------------------------------------------------------
function ProcessLMSResult(strRequestType, strLMSResult){
if (waitingToConcede && strRequestType === REQUEST_TYPE_EXIT) {
parent.PerformConcedeActions();
}
WriteToDebug("In ProcessLMSResult, strRequestType=" + strRequestType + " strLMSResult=" + strLMSResult)
var blnMadeBlindSubmit;
var strAICCErrorLine = "";
var strAICCErrorTextLine = "";
var aryAICCResponseLines;
var strLine;
var strTrimmedLine;
var intPos;
var blnError;
var strErrorMessage;
//if we made a blind submit with a standard form, we can't read the result, so just proceed
blnMadeBlindSubmit = (!blnCanUseXMLHTTP && !blnCanUseIFrame);
WriteToDebug("blnMadeBlindSubmit=" + blnMadeBlindSubmit);
strLMSResult = new String(unescape(strLMSResult));
aryAICCResponseLines = strLMSResult.split("\n"); //only use \n instead of \r\n b/c some LMS's will only use one character
for (var i=0; i < aryAICCResponseLines.length; i++){
WriteToDebug("Processing Line #" + i + ": " + aryAICCResponseLines[i]);
strLine = aryAICCResponseLines[i];
strLine = strLine.replace(/\r/g, "");
strTrimmedLine = parent.Trim(strLine);
//need to look for the text "error" only at the start of the line since the
//value of the field can conceivably contain the text "error"
if (strTrimmedLine.toLowerCase().indexOf("error") == 0){
if (strTrimmedLine.toLowerCase().indexOf("error_text") == 0){
WriteToDebug("Found Error Text Line");
strAICCErrorTextLine = strLine;
}
else{
WriteToDebug("Found Error Number Line");
strAICCErrorLine = strLine;
}
}
}
//check for errors and alert if found, check for AICC error, as well as HTTP error like 404
blnError = false;
strErrorMessage = "";
if (!blnMadeBlindSubmit)
{
if (strAICCErrorLine != "" && strAICCErrorLine.toLowerCase().search(/error\s*=\s*0/) == -1){
blnError = true;
strErrorMessage = "ERROR - LMS returned an error - " + strAICCErrorLine + " - " + strAICCErrorTextLine;
}
}
if (blnError){
WriteToDebug("Found Error");
parent.AICC_SetErrorInfo(strAICCErrorLine, strAICCErrorTextLine);
if (strRequestType == REQUEST_TYPE_GET){
parent.InitializeExecuted(false, strErrorMessage);
return;
}
if (strRequestType == REQUEST_TYPE_PUT){
parent.AICC_PutParamFailed();
return;
}
if (strRequestType == REQUEST_TYPE_PUT_INTERACTIONS){
parent.AICC_PutInteractionsFailed();
return;
}
else{
DisplayError(strErrorMessage);
return;
}
}
if (strRequestType == REQUEST_TYPE_GET){
WriteToDebug("In request type = get");
//keep default values if we made a blind submit
if (!blnMadeBlindSubmit){
window.parent.ParseGetParamData(strLMSResult);
}
WriteToDebug("Calling InitializeExecuted");
parent.InitializeExecuted(true, "");
}
}
function GetAICCSID(){
var strSID = "";
WriteToDebug("In GetAICCSID");
strSID = window.parent.GetQueryStringValue("AICC_SID", window.parent.document.location.search)
WriteToDebug("GetAICCSID returning: " + strSID);
return strSID;
}
function GetAICCURL(){
var strURL = "";
WriteToDebug("In GetAICCURL");
strURL = window.parent.GetQueryStringValue("AICC_URL", window.parent.document.location.search)
WriteToDebug("Querystring value = " + strURL);
if (strURL != null && strURL.length > 0){
if (window.parent.AICC_COMM_PREPEND_HTTP_IF_MISSING === undefined ||
window.parent.AICC_COMM_PREPEND_HTTP_IF_MISSING === null ||
window.parent.AICC_COMM_PREPEND_HTTP_IF_MISSING === true){
WriteToDebug("Checking for presense of 'http://'");
if (strURL.indexOf("http://") < 0 && strURL.indexOf("https://") < 0){
WriteToDebug("Prepending 'http://'");
strURL = "http://" + strURL;
}
}
}
WriteToDebug("GetAICCURL returning: " + strURL);
return strURL;
}
//MR 5/31/05 - added this because this frame is always slightly visible so we have an avenue into the debug information even if the content developer doesn't build one in
window.document.onkeypress = CheckForDebugCommand;
var intQuestionCounter = 0;
var ASCII_QUESTION = 63;
function CheckForDebugCommand(e){
var intKeyCode = 0;
if (window.event) {
e = window.event;
intKeyCode = e.keyCode;
}
else {
intKeyCode = e.which;
}
if (intKeyCode == ASCII_QUESTION){
intQuestionCounter++;
if (intQuestionCounter == 3){
intQuestionCounter = 0;
window.parent.ShowDebugWindow();
}
}
else if (intKeyCode !=0){ //in FireFox, the shift key comes through as a keypress with code of 0...we want to ignore this
intQuestionCounter = 0;
}
}
//MR 5/31/05 - added this call in addition to the frameset onunload calls to give us a better chance of getting an AICC EXITAU call in before the frames unload
function ProcessUnload(){
if (window.parent){
window.parent.Unload();
}
}
</script>
</head>
<body onload="DetectPreferredCommMethod();" onunload="ProcessUnload();" onbeforeunload="ProcessUnload();">
<iframe id="AICCFrame"
name="AICCFrame"
style="width:10px; height:10px; border: 0px"
src="blank.html" onload="IFrameLoaded();"></iframe>
<form name="frmAICC" method="Post" action="blank.html" target="AICCFrame" ID="Form1">
<input type="hidden" name="session_id" value="" ID="Hidden1">
<input type="hidden" name="command" value="" ID="Hidden2">
<input type="hidden" name="version" value="3.5" ID="Hidden3">
<input type="hidden" name="aicc_data" value="" ID="Hidden4">
</form>
</body>
</html>