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/**
* ownCloud
*
* @file core/js/requesttoken.js
* @brief Routine to refresh the Request protection request token periodically
* @author Christian Reiner (arkascha)
* @copyright 2011-2012 Christian Reiner <foss@christian-reiner.info>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the license, or any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
*
* You should have received a copy of the GNU Affero General Public
* License along with this library.
* If not, see <http://www.gnu.org/licenses/>.
*
*/
OC.Request = {
// the request token
Token: {},
// the lifespan span (in secs)
Lifespan: {},
// method to refresh the local request token periodically
Refresh: function(){
// just a client side console log to preserve efficiency
console.log("refreshing request token (lifebeat)");
var dfd=new $.Deferred();
$.ajax({
type: 'POST',
url: OC.filePath('core','ajax','requesttoken.php'),
cache: false,
data: { },
dataType: 'json'
}).done(function(response){
// store refreshed token inside this class
OC.Request.Token=response.token;
dfd.resolve();
}).fail(dfd.reject);
return dfd;
}
}
// accept requesttoken and lifespan into the OC namespace
OC.Request.Token = oc_requesttoken;
OC.Request.Lifespan = oc_requestlifespan;
// refresh the request token periodically shortly before it becomes invalid on the server side
setInterval(OC.Request.Refresh,Math.floor(1000*OC.Request.Lifespan*0.93)), // 93% of lifespan value, close to when the token expires
// early bind token as additional ajax argument for every single request
$(document).bind('ajaxSend', function(elm, xhr, s){xhr.setRequestHeader('requesttoken', OC.Request.Token);});
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