security-and-privacy/CanvasBlocker
security-and-privacy/CanvasBlocker
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Completely remove function monitoring for white listed sites.

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Fixes #84.
This commit is contained in:
kkapsner 2016-11-19 15:35:00 +01:00
parent bda00e5741
commit fc07961c6b
2 changed files with 60 additions and 50 deletions
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2
lib/intercept.js
View File

@ -23,6 +23,7 @@
exports.setRandomSupplyByType = setRandomSupplyByType;
exports.intercept = function intercept({subject: window}, {check, checkStack, ask, notify, prefs}){
var siteStatus = check({url: window.location.href});
if (siteStatus.mode !== "allow"){
apiNames.forEach(function(name){
var changedFunction = changedFunctions[name];
var original = window.wrappedJSObject[changedFunction.object].prototype[name];
@ -77,5 +78,6 @@
);
}
});
}
};
}());

8
lib/modifiedAPI.js
View File

@ -94,6 +94,7 @@
};
}
else {
var status = Object.create(status);
status.active = false;
return status;
}
@ -109,6 +110,7 @@
},
toDataURL: {
getStatus: function(obj, status){
var status = Object.create(status);
if (hasType(status, "input")){
var contextType = canvasContextType.get(obj);
status.active = contextType !== "2d";
@ -129,6 +131,7 @@
},
toBlob: {
getStatus: function(obj, status){
var status = Object.create(status);
if (hasType(status, "input")){
var contextType = canvasContextType.get(obj);
status.active = contextType !== "2d";
@ -150,6 +153,7 @@
},
mozGetAsFile: {
getStatus: function(obj, status){
var status = Object.create(status);
if (hasType(status, "input")){
var contextType = canvasContextType.get(obj);
status.active = contextType !== "2d";
@ -170,6 +174,7 @@
},
getImageData: {
getStatus: function(obj, status){
var status = Object.create(status);
if (hasType(status, "input")){
var contextType = canvasContextType.get(obj);
status.active = contextType !== "2d";
@ -207,6 +212,7 @@
},
fillText: {
getStatus: function(obj, status){
var status = Object.create(status);
status.active = hasType(status, "input");
return status;
},
@ -225,6 +231,7 @@
},
strokeText: {
getStatus: function(obj, status){
var status = Object.create(status);
status.active = hasType(status, "input");
return status;
},
@ -243,6 +250,7 @@
},
readPixels: {
getStatus: function(obj, status){
var status = Object.create(status);
status.active = hasType(status, "readout") || hasType(status, "input");
return status;
},