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/**
* Hold security-related data here
*/
elgg.provide('elgg.security');
elgg.security.token = {};
elgg.security.tokenRefreshFailed = false;
elgg.security.tokenRefreshTimer = null;
/**
* 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 we refresh those every so often.
*
* @private
*/
elgg.security.refreshToken = function() {
elgg.action('security/refreshtoken', function(data) {
if (data && data.output.__elgg_ts && data.output.__elgg_token) {
elgg.security.setToken(data.output);
} else {
clearInterval(elgg.security.tokenRefreshTimer);
}
});
};
/**
* Add elgg action tokens to an object, URL, or query string (with a ?).
*
* @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)) {
// is this a full URL, relative URL, or just the query string?
var parts = elgg.parse_url(data),
args = {},
base = '';
if (parts['host'] == undefined) {
if (data.indexOf('?') === 0) {
// query string
base = '?';
args = elgg.parse_str(parts['query']);
}
} else {
// full or relative URL
if (parts['query'] != undefined) {
// with query string
args = elgg.parse_str(parts['query']);
}
var split = data.split('?');
base = split[0] + '?';
}
args["__elgg_ts"] = elgg.security.token.__elgg_ts;
args["__elgg_token"] = elgg.security.token.__elgg_token;
return base + jQuery.param(args);
}
// 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() {
// elgg.security.interval is set in the js/elgg PHP view.
elgg.security.tokenRefreshTimer = setInterval(elgg.security.refreshToken, elgg.security.interval);
};
elgg.register_hook_handler('boot', 'system', elgg.security.init);
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