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Global/functions.js

@@ -0,0 +1,155 @@
+
+
+/**
+  * scheduler function, runs global.appStat every minute
+  */
+function scheduler()	{
+	appStat();
+	return 60000;
+}
+
+
+/**
+  * initializes requestStat storage on startup
+  */
+function onStart()	{
+	app.requestStat = new HopObject();
+	app.addressFilter = new Packages.helma.util.InetAddressFilter();
+	var str = root.getProperty("allowadmin");
+	if ( str!=null && str!="" )	{
+		var arr = str.split(",");
+		for ( var i in arr )	{
+			var str = new java.lang.String(arr[i]);
+			app.addressFilter.addAddress(str.trim());
+		}
+	}
+}
+
+
+/** 
+  * updates the request stats in app.requestStat every 5 minutes
+  */
+function appStat()	{
+	if ( app.requestStat==null )	{
+		app.requestStat = new HopObject();
+	}
+	if( (new Date()-300000) < app.requestStat.lastRun )	{
+		return;
+	}
+	var arr = root.getApplications();
+	for ( var i=0; i<arr.length; i++ )	{
+		var tmp = app.requestStat.get(arr[i].getName());
+		if ( tmp==null )	{
+			tmp = new HopObject();
+			tmp.lastTotal = 0;
+			tmp.last5Min  = 0;
+		}
+		var ct = arr[i].getRequestCount();
+		tmp.last5Min = ct - tmp.lastTotal;
+		tmp.lastTotal = ct;
+		app.requestStat.set(arr[i].getName(), tmp);
+	}
+	app.requestStat.lastRun = new Date();
+}
+
+
+/**
+  * utility function to sort object-arrays by name
+  */
+function sortByName(a,b)	{
+	if ( a.name>b.name )
+		return 1;
+	else if ( a.name==b.name )
+		return 0;
+	else
+		return -1;
+}
+
+
+/**
+  * utility function to sort property-arrays by key
+  */
+function sortProps(a,b)	{
+	if ( a>b )
+		return 1;
+	else if ( a==b )
+		return 0;
+	else
+		return -1;
+}
+
+/**
+  * check access to an application or the whole server, authenticate against md5-encrypted
+  * properties of base-app or the particular application. if username or password aren't set
+  * go into stealth-mode and return a 404. if username|password are wrong, prepare response-
+  * object for http-auth and return false.
+  * @arg application-object
+  */
+function checkAuth(appObj)	{
+	var ok = false;
+
+	// check against root
+	var rootUsername = root.getProperty("adminusername");
+	var rootPassword = root.getProperty("adminpassword");
+
+	if ( rootUsername==null || rootUsername=="" || rootPassword==null || rootPassword=="" )
+		return forceStealth();
+
+	var uname = req.getUsername();
+	var pwd   = req.getPassword();
+
+	if ( uname==null || uname=="" || pwd==null || pwd=="" )
+		return forceAuth();
+
+	var md5password = calcMD5(uname);
+	var md5username = calcMD5(pwd);
+
+	if ( md5username==rootUsername && md5password==rootPassword )
+		return true;
+
+	if ( appObj!=null && appObj.isActive() )	{
+		// check against application
+		var appUsername = appObj.getProperty("adminusername");
+		var appPassword = appObj.getProperty("adminpassword");
+		if ( appUsername==null || appUsername=="" || appPassword==null || appPassword=="" )
+			return forceStealth();
+		if ( md5username==appUsername && md5password==appPassword )
+			return true;
+	}
+	return forceAuth();
+}
+
+
+/**
+  * check access to the base-app by ip-addresses
+  */
+function checkAddress()	{
+	if ( !app.addressFilter.matches(java.net.InetAddress.getByName(req.data.http_remotehost)) )
+		return forceStealth();
+	else
+		return true;
+}
+
+
+/**
+  * response is reset to 401 / authorization required
+  */
+function forceAuth(appObj)	{
+	res.status = 401;
+	res.realm  = (appObj==null) ? "helma" : appObj.name;
+	res.reset();
+	res.write ("Authorization Required. The server could not verify that you are authorized to access the requested page.");
+	return false;
+}
+
+/**
+  * response is reset to 404 / notfound
+  */
+function forceStealth()	{
+	res.reset();
+	res.status = 404;
+	return false;
+}
+
+
+