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/**
* Hold security-related data here
*/
elgg.provide('elgg.security');
elgg.security.token = {};
elgg.security.tokenRefreshFailed = false;
/**
* Sets the currently active security token and updates all forms and links on the current page.
*
* @param {Object} json The json representation of a token containing __elgg_ts and __elgg_token
* @return {Void}
*/
elgg.security.setToken = function(json) {
//update the convenience object
elgg.security.token = json;
//also update all forms
$('[name=__elgg_ts]').val(json.__elgg_ts);
$('[name=__elgg_token]').val(json.__elgg_token);
// also update all links that contain tokens and time stamps
$('[href*="__elgg_ts"][href*="__elgg_token"]').each(function() {
this.href = this.href
.replace(/__elgg_ts=\d*/, '__elgg_ts=' + json.__elgg_ts)
.replace(/__elgg_token=[0-9a-f]*/, '__elgg_token=' + json.__elgg_token);
});
};
/**
* Security tokens time out, so lets refresh those every so often.
*
* @todo handle error and bad return data
*/
elgg.security.refreshToken = function() {
elgg.action('security/refreshtoken', function(data) {
// @todo might want to move this to setToken() once http://trac.elgg.org/ticket/3127
// is implemented. It's here right now to avoid soggy code.
if (!data || !(data.output.__elgg_ts && data.output.__elgg_token)) {
elgg.register_error(elgg.echo('js:security:token_refresh_failed', [elgg.get_site_url()]));
elgg.security.tokenRefreshFailed = true;
// don't setToken because we refresh every 5 minutes and tokens are good for 1
// hour by default
return;
}
// if had problems last time, let them know it's working now
if (elgg.security.tokenRefreshFailed) {
elgg.system_message(elgg.echo('js:security:token_refreshed', [elgg.get_site_url()]));
elgg.security.tokenRefreshFailed = false;
}
elgg.security.setToken(data.output);
});
};
/**
* Add elgg action tokens to an object or string (assumed to be url data)
*
* @param {Object|string} data
* @return {Object} The new data object including action tokens
* @private
*/
elgg.security.addToken = function(data) {
// 'http://example.com?data=sofar'
if (elgg.isString(data)) {
var args = [];
if (data) {
args.push(data);
}
args.push("__elgg_ts=" + elgg.security.token.__elgg_ts);
args.push("__elgg_token=" + elgg.security.token.__elgg_token);
return args.join('&');
}
// no input! acts like a getter
if (elgg.isUndefined(data)) {
return elgg.security.token;
}
// {...}
if (elgg.isPlainObject(data)) {
return elgg.extend(data, elgg.security.token);
}
// oops, don't recognize that!
throw new TypeError("elgg.security.addToken not implemented for " + (typeof data) + "s");
};
elgg.security.init = function() {
//refresh security token every 5 minutes
//this is set in the js/elgg PHP view.
setInterval(elgg.security.refreshToken, elgg.security.interval);
};
elgg.register_hook_handler('boot', 'system', elgg.security.init);
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