security-and-privacy/CanvasBlocker
security-and-privacy/CanvasBlocker
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Code Releases Activity

Added fake for readPixels and removed new tab bug

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Bug description: if a new tab is opened the wrong blockmode could be
used.
This commit is contained in:
kkapsner 2015-04-22 11:18:26 +02:00
parent a8f636ba6f
commit 30407e71a0
4 changed files with 169 additions and 113 deletions
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87
data/inject.js
View file

@ -171,7 +171,15 @@
},
readPixels: {
mode: blockMode.readAPI,
object: unsafeWindow.WebGLRenderingContext
object: unsafeWindow.WebGLRenderingContext,
fake: function(x, y, width, height, format, type, pixels){
// fake not working due to XRay copy restrictions...
// for (var i = 0; i < pixels.length; i += 1){
// pixels[i] = Math.floor(
// Math.random() * 256
// );
// }
}
}
};
@ -253,37 +261,56 @@
// Communication with main.js
self.port.on("block", function(){
blockMode.getContext.status = "block";
blockMode.readAPI.status = "allow";
});
self.port.on("ask", function(askOnce){
blockMode.getContext.status = "ask";
blockMode.getContext.askStatus.askOnce = askOnce;
blockMode.readAPI.status = "allow";
});
self.port.on("blockReadout", function(){
blockMode.getContext.status = "allow";
blockMode.readAPI.status = "block";
});
self.port.on("fakeReadout", function(){
blockMode.getContext.status = "allow";
blockMode.readAPI.status = "fake";
});
self.port.on("askReadout", function(askOnce){
blockMode.getContext.status = "allow";
blockMode.readAPI.status = "ask";
blockMode.readAPI.askStatus.askOnce = askOnce;
});
self.port.on("unblock", function(){
blockMode.getContext.status = "allow";
blockMode.readAPI.status = "allow";
});
self.port.on("detach", function(){
blockMode.getContext.status = "allow";
blockMode.readAPI.status = "allow";
function setStatus(mode, askOnce){
switch (mode){
case "block":
blockMode.getContext.status = "block";
blockMode.readAPI.status = "allow";
break;
case "ask":
blockMode.getContext.status = "ask";
blockMode.getContext.askStatus.askOnce = askOnce;
blockMode.readAPI.status = "allow";
break;
case "blockReadout":
blockMode.getContext.status = "allow";
blockMode.readAPI.status = "block";
break;
case "fakeReadout":
blockMode.getContext.status = "allow";
blockMode.readAPI.status = "fake";
break;
case "askReadout":
blockMode.getContext.status = "allow";
blockMode.readAPI.status = "ask";
blockMode.readAPI.askStatus.askOnce = askOnce;
break;
case "unblock":
blockMode.getContext.status = "allow";
blockMode.readAPI.status = "allow";
break;
case "detach":
blockMode.getContext.status = "allow";
blockMode.readAPI.status = "allow";
break;
}
}
["block", "ask", "blockReadout", "fakeReadout", "askReadout", "unblock", "detach"].forEach(function(mode){
self.port.on(mode, function(askOnce){
setStatus(mode, askOnce);
});
});
setStatus(
checkURL(
location,
self.options.blockMode,
getDomainRegExpList(self.options.whiteList),
getDomainRegExpList(self.options.blackList)
),
self.options.askOnce
);
// settings passthrough
self.port.on("set", function(name, value){
settings[name] = value;