Last active
October 5, 2017 18:45
-
-
Save manekinekko/9d784b4c3b0f3283d70f to your computer and use it in GitHub Desktop.
Prevent users to access Window properties on server side
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
declare module NodeJS { | |
interface Global { | |
window: any | Window; | |
} | |
} | |
global.window = {}; | |
/** | |
* Warn the developer about direct access to Window props | |
* | |
* @param {String} prop The property being accessed | |
*/ | |
function beDefensive(prop){ | |
return (<any>window).__defineGetter__(prop, () => { | |
console.warn(`[WARNING] Property/method "${prop}" should not be called...<put a better message here>`); | |
return prop; | |
}); | |
} | |
let unforgeableAttributes = [ | |
"window", | |
"document", | |
"location", | |
"top" | |
].map(beDefensive); | |
let replaceableAttributes = [ | |
"self", | |
"locationbar", | |
"menubar", | |
"personalbar", | |
"scrollbars", | |
"statusbar", | |
"toolbar", | |
"frames", | |
"parent", | |
"external", | |
"length", | |
// CSSOM-View | |
"screen", | |
"scrollX", | |
"scrollY", | |
"pageXOffset", | |
"pageYOffset", | |
"innerWidth", | |
"innerHeight", | |
"screenX", | |
"screenY", | |
"outerWidth", | |
"outerHeight", | |
"devicePixelRatio", | |
].map(beDefensive); | |
let methods = [ | |
"close", | |
"stop", | |
"focus", | |
"blur", | |
"open", | |
"alert", | |
"confirm", | |
"prompt", | |
"print", | |
"postMessage", | |
// WindowBase64 | |
"btoa", | |
"atob", | |
// WindowTimers | |
"setTimeout", | |
"clearTimeout", | |
"setInterval", | |
"clearInterval", | |
// HTML Editing APIs | |
"getSelection", | |
// CSSOM | |
"getComputedStyle", | |
// CSSOM-View | |
"matchMedia", | |
"scroll", | |
"scrollTo", | |
"scrollBy" | |
].map(beDefensive); | |
let readonlyAttributes = [ | |
"history", | |
"frameElement", | |
"navigator", | |
"applicationCache", | |
// WindowSessionStorage | |
"sessionStorage", | |
// WindowLocalStorage | |
"localStorage", | |
].map(beDefensive); | |
let writableAttributes = [ | |
"name", | |
"status", | |
"opener", | |
"onabort", | |
"onafterprint", | |
"onbeforeprint", | |
"onbeforeunload", | |
"onblur", | |
"oncancel", | |
"oncanplay", | |
"oncanplaythrough", | |
"onchange", | |
"onclick", | |
"onclose", | |
"oncontextmenu", | |
"oncuechange", | |
"ondblclick", | |
"ondrag", | |
"ondragend", | |
"ondragenter", | |
"ondragleave", | |
"ondragover", | |
"ondragstart", | |
"ondrop", | |
"ondurationchange", | |
"onemptied", | |
"onended", | |
"onerror", | |
"onfocus", | |
"onhashchange", | |
"oninput", | |
"oninvalid", | |
"onkeydown", | |
"onkeypress", | |
"onkeyup", | |
"onload", | |
"onloadeddata", | |
"onloadedmetadata", | |
"onloadstart", | |
"onmessage", | |
"onmousedown", | |
"onmousemove", | |
"onmouseout", | |
"onmouseover", | |
"onmouseup", | |
"onmousewheel", | |
"onoffline", | |
"ononline", | |
"onpause", | |
"onplay", | |
"onplaying", | |
"onpagehide", | |
"onpageshow", | |
"onpopstate", | |
"onprogress", | |
"onratechange", | |
"onreset", | |
"onresize", | |
"onscroll", | |
"onseeked", | |
"onseeking", | |
"onselect", | |
"onshow", | |
"onstalled", | |
"onstorage", | |
"onsubmit", | |
"onsuspend", | |
"ontimeupdate", | |
"onunload", | |
"onvolumechange", | |
"onwaiting" | |
].map(beDefensive); | |
// Testing | |
// console.log(JSON.stringify(window,null,1)); | |
console.log(window.location); | |
console.log(window.document); | |
console.log(window.history); |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment