security-and-privacy/CanvasBlocker
security-and-privacy/CanvasBlocker
1
0
Fork 0
mirror of https://github.com/kkapsner/CanvasBlocker synced 2025-07-04 20:46:39 +02:00
Code Releases Activity

Switch from frameScript to require("sdk/remote/...").

Browse source 
Fixes #98. Fixes #100.
This commit is contained in:
kkapsner 2017-01-31 21:31:55 +01:00
parent c0c16b6546
commit 602d5a6bfd
3 changed files with 74 additions and 142 deletions
Download patch file Download diff file Expand all files Collapse all files

93
data/frame.js
View file

@ -1,93 +0,0 @@
/* jslint moz: true */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
(function(){
"use strict";
const {utils: Cu} = Components;
const { Loader, Require, unload, Module} = Components.utils.import('resource://gre/modules/commonjs/toolkit/loader.js');
var loader = Loader({
paths: {
"": "resource://gre/modules/commonjs/"
}
});
var requirer = Module("resource://canvasblocker-at-kkapsner-dot-de/data/frame.js", "./data/frame.js");
var require = Require(loader, requirer);
const {intercept} = require("../lib/intercept.js");
const {ask} = require("../lib/askForPermission.js");
// Variable to "unload" the script
var enabled = true;
function check(message){
if (enabled){
var status = sendSyncMessage(
"canvasBlocker-check",
message
);
return status[0];
}
else {
return {type: [], mode: "allow"};
}
}
function checkStack(stack){
if (enabled){
var status = sendSyncMessage(
"canvasBlocker-checkStack",
stack
);
return status[0];
}
else {
return true;
}
}
function askWrapper(data){
return ask(data, {
_: function(token){
return sendSyncMessage(
"canvasBlocker-translate",
token
)[0];
},
prefs
});
}
function notify(data){
sendAsyncMessage("canvasBlocker-notify", data);
}
function prefs(name){
return sendSyncMessage(
"canvasBlocker-pref-get",
name
)[0];
}
function interceptWrapper(ev){
if (enabled){
// window is only equal to content for the top window. For susequent
// calls (e.g. iframe windows) the new generated window has to be
// used.
var window = ev.target.defaultView;
intercept(
{subject: window},
{check, checkStack, ask: askWrapper, notify, prefs}
);
}
}
addEventListener("DOMWindowCreated", interceptWrapper);
var context = this;
addEventListener("unload", function(ev){
if (ev.target === context){
removeEventListener("DOMWindowCreated", interceptWrapper);
}
});
addMessageListener("canvasBlocker-unload", function unload(){
enabled = false;
removeEventListener("DOMWindowCreated", interceptWrapper);
removeMessageListener("canvasBlocker-unload", unload);
});
}());