From 535b488c9985504537aa5b4ff09309f102841b88 Mon Sep 17 00:00:00 2001
From: erickson <erickson@dcc99617-32d9-48b4-a31d-7c20da2025e4>
Date: Wed, 7 Dec 2005 21:47:04 +0000
Subject: [PATCH] added login session timeout alerts for when the session is
 about to expire and for when the session has expired

git-svn-id: svn://svn.open-ils.org/ILS/trunk@2272 dcc99617-32d9-48b4-a31d-7c20da2025e4
---
 Open-ILS/web/opac/common/js/config.js         |  2 ++
 Open-ILS/web/opac/common/js/opac_utils.js     | 33 ++++++++++++++++---
 Open-ILS/web/opac/locale/en-US/lang.dtd       |  2 ++
 .../web/opac/skin/default/xml/ilsevents.xml   |  4 +++
 4 files changed, 37 insertions(+), 4 deletions(-)

diff --git a/Open-ILS/web/opac/common/js/config.js b/Open-ILS/web/opac/common/js/config.js
index d4604c0d36..133c5e114d 100644
--- a/Open-ILS/web/opac/common/js/config.js
+++ b/Open-ILS/web/opac/common/js/config.js
@@ -59,6 +59,8 @@ var STYPE_SUBJECT	= "subject";
 var STYPE_SERIES	= "series";
 var STYPE_KEYWORD	= "keyword";
 
+var LOGOUT_WARNING_TIME = 15;
+
 
 /* container for global variables shared accross pages */
 var G		= {};
diff --git a/Open-ILS/web/opac/common/js/opac_utils.js b/Open-ILS/web/opac/common/js/opac_utils.js
index 994e38e317..8617f25acf 100644
--- a/Open-ILS/web/opac/common/js/opac_utils.js
+++ b/Open-ILS/web/opac/common/js/opac_utils.js
@@ -250,10 +250,18 @@ function grabUser(ses, force) {
 			return G.user;
 
 	/* first make sure the session is valid */
-	var request = new Request(FETCH_SESSION, ses );
+	var request = new Request(FETCH_SESSION, ses, 1 );
 	request.send(true);
 	var user = request.result();
+	//if(checkILSEvent(user)) throw user; /* unable to grab the session */
+
+	if(checkILSEvent(user)) {
+		doLogout();
+		return false; /* unable to grab the session */
+	}
+
 	if( !(typeof user == 'object' && user._isfieldmapper) ) {
+		doLogout();
 		return false;
 	}
 
@@ -267,6 +275,9 @@ function grabUser(ses, force) {
 	if(G.user.prefs['opac.hits_per_page'])
 		COUNT = parseInt(G.user.prefs['opac.hits_per_page']);
 
+	//new AuthTimer(getAuthtime()).run();
+	new AuthTimer(20).run();
+
 	return G.user;
 
 }
@@ -601,16 +612,30 @@ function _timerRun(tname) {
 	_t.count++;
 }
 
-
-
 function checkILSEvent(obj) {
 	if( obj.ilsevent != null && obj.ilsevent != 0 )
 		return parseInt(obj.ilsevent);
 	return null;
 }
 function alertILSEvent(code) {
-	/*alert(code);*/
 	alert( $('ilsevent.' + code).innerHTML );
 }
 
 
+var __authTimer;
+function AuthTimer(time) { 
+	this.time = (time - LOGOUT_WARNING_TIME) * 1000; 
+	__authTimer = this;
+}
+
+AuthTimer.prototype.run = function() {
+	setTimeout('_authTimerAlert()', this.time);
+}
+
+function _authTimerAlert() {
+	if( confirm( $('auth_session_expiring').innerHTML ) ) 
+		doLogout();
+	else grabUser(null, true);
+}
+
+
diff --git a/Open-ILS/web/opac/locale/en-US/lang.dtd b/Open-ILS/web/opac/locale/en-US/lang.dtd
index b48a1cae3d..ef28aa9495 100644
--- a/Open-ILS/web/opac/locale/en-US/lang.dtd
+++ b/Open-ILS/web/opac/locale/en-US/lang.dtd
@@ -50,6 +50,8 @@
 <!ENTITY opac.llt "&lt;">
 <!ENTITY opac.ggt "&gt;">
 
+<!ENTITY opac.session_expiring "Your login session will soon expire.  Click 'OK' to logout and return to the home page.  Click 'Cancel' to continue browsing.">
+<!ENTITY opac.session_expired "Your login session has expired">
 
 <!-- Navigations links -->
 <!ENTITY navigate.home "Home">
diff --git a/Open-ILS/web/opac/skin/default/xml/ilsevents.xml b/Open-ILS/web/opac/skin/default/xml/ilsevents.xml
index 75759b643e..6db5f476f6 100644
--- a/Open-ILS/web/opac/skin/default/xml/ilsevents.xml
+++ b/Open-ILS/web/opac/skin/default/xml/ilsevents.xml
@@ -2,5 +2,9 @@
 	<span id='ilsevent.1000'>&ilsevent.1000;</span>
 	<span id='ilsevent.5000'>&ilsevent.5000;</span>
 	<span id='ilsperm.CREATE_HOLD'>&ilsperm.CREATE_HOLD;</span>
+
+	<!-- Local OPAC Specific strings/events -->
+	<span id='auth_session_expiring'>&opac.session_expiring;</span>
+	<span id='auth_session_expired'>&opac.session_expired;</span>
 </span>
 
-- 
2.43.2