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storage.js: Prevent conflicts with other apps accessing the same storage

This commit is contained in:
Johannes Meyer 2019-07-10 08:33:53 +02:00
parent 0f16e20d92
commit 2ac848828a
1 changed files with 10 additions and 2 deletions
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12
public/js/icinga/storage.js
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@ -53,11 +53,12 @@
* @returns {string}
*/
prefixKey: function(key) {
var prefix = 'icinga.';
if (typeof this.prefix !== 'undefined') {
return this.prefix + '.' + key;
prefix = prefix + this.prefix + '.';
}
return key;
return prefix + key;
},
/**
@ -113,6 +114,13 @@
* @param {StorageEvent} event
*/
onStorage: function(event) {
var url = icinga.utils.parseUrl(event.url);
if (! url.path.startsWith(icinga.config.baseUrl)) {
// A localStorage is shared between all paths on the same origin.
// So we need to make sure it's us who made a change.
return;
}
if (typeof this.subscribers[event.key] !== 'undefined') {
var subscriber = this.subscribers[event.key];
subscriber[0].call(subscriber[1], JSON.parse(event.newValue), JSON.parse(event.oldValue), event);