51 lines
1.3 KiB
JavaScript
51 lines
1.3 KiB
JavaScript
/**
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* File: LeftAndMain.Ping.js
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*/
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import $ from 'jQuery';
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$.entwine('ss.ping', function($){
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$('.cms-container').entwine(/** @lends ss.Form_EditForm */{
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/**
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* Variable: PingIntervalSeconds
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* (Number) Interval in which /Security/ping will be checked for a valid login session.
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*/
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PingIntervalSeconds: 5*60,
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onadd: function() {
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this._setupPinging();
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this._super();
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},
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/**
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* Function: _setupPinging
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*
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* This function is called by prototype when it receives notification that the user was logged out.
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* It uses /Security/ping for this purpose, which should return '1' if a valid user session exists.
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* It redirects back to the login form if the URL is either unreachable, or returns '0'.
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*/
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_setupPinging: function() {
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var onSessionLost = function(xmlhttp, status) {
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if(xmlhttp.status > 400 || xmlhttp.responseText == 0) {
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// TODO will pile up additional alerts when left unattended
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if(window.open('Security/login')) {
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alert('Please log in and then try again');
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} else {
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alert('Please enable pop-ups for this site');
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}
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}
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};
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// setup pinging for login expiry
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setInterval(function() {
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$.ajax({
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url: 'Security/ping',
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global: false,
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type: 'POST',
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complete: onSessionLost
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});
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}, this.getPingIntervalSeconds() * 1000);
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}
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});
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});
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