(fix) XSRF supprot for all calendar operations

UI/WebServerResources/js/Scheduler/Calendar.service.js

@@ -438,6 +438,16 @@
     });
   };
 
+  /**
+   * @function export
+   * @memberof Calendar.prototype
+   * @desc Export the calendar
+   * @returns a promise of the HTTP operation
+   */
+  Calendar.prototype.export = function() {
+    return Calendar.$$resource.download(this.id + '.ics', 'export', null, {type: 'application/octet-stream'});
+  };
+
   /**
    * @function $setActivation
    * @memberof Calendar.prototype

UI/WebServerResources/js/Scheduler/CalendarsController.js

@@ -20,7 +20,6 @@
     vm.renameFolder = renameFolder;
     vm.share = share;
     vm.importCalendar = importCalendar;
-    vm.exportCalendar = exportCalendar;
     vm.showOnly = showOnly;
     vm.showAll = showAll;
     vm.showLinks = showLinks;
@@ -241,10 +240,6 @@
       }
     }
 
-    function exportCalendar(calendar) {
-      window.location.href = ApplicationBaseURL + '/' + calendar.id + '.ics' + '/export';
-    }
-
     function showOnly(calendar) {
       _.forEach(Calendar.$findAll(), function(o) {
         if (calendar.id == o.id)