security-and-privacy/CanvasBlocker
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Remove duplicated code

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This commit is contained in:
kkapsner 2020-01-26 01:11:18 +01:00
parent 64b60c834a
commit 6fbb9339a1
6 changed files with 59 additions and 96 deletions
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47
lib/modifiedAudioAPI.js
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@ -157,19 +157,22 @@
};
const getChannelDataAlreadyFakedArrays = new WeakMap();
function fakeArrayCheckerCallback(array, fakeFunction, args, check){
const {prefs, notify, window, original} = check;
notify("fakedAudioReadout");
const ret = original.call(this, ...args);
fakeFunction(array, window, prefs);
return ret;
}
// changed functions and their fakes
scope.changedFunctions = {
getFloatFrequencyData: {
object: ["AnalyserNode"],
fakeGenerator: function(checker){
return function getFloatFrequencyData(array){
return checkerWrapper(checker, this, arguments, function(args, check){
const {prefs, notify, window, original} = check;
notify("fakedAudioReadout");
const ret = original.call(this, ...args);
fakeFloat32Array(array, window, prefs);
return ret;
});
return checkerWrapper(checker, this, arguments,
fakeArrayCheckerCallback.bind(this, array, fakeFloat32Array)
);
};
}
},
@ -177,13 +180,9 @@
object: ["AnalyserNode"],
fakeGenerator: function(checker){
return function getByteFrequencyData(array){
return checkerWrapper(checker, this, arguments, function(args, check){
const {prefs, notify, window, original} = check;
notify("fakedAudioReadout");
const ret = original.call(this, ...args);
fakeUint8Array(array, window, prefs);
return ret;
});
return checkerWrapper(checker, this, arguments,
fakeArrayCheckerCallback.bind(this, array, fakeUint8Array)
);
};
}
},
@ -191,13 +190,9 @@
object: ["AnalyserNode"],
fakeGenerator: function(checker){
return function getFloatTimeDomainData(array){
return checkerWrapper(checker, this, arguments, function(args, check){
const {prefs, notify, window, original} = check;
notify("fakedAudioReadout");
const ret = original.call(this, ...args);
fakeFloat32Array(array, window, prefs);
return ret;
});
return checkerWrapper(checker, this, arguments,
fakeArrayCheckerCallback.bind(this, array, fakeFloat32Array)
);
};
}
},
@ -205,13 +200,9 @@
object: ["AnalyserNode"],
fakeGenerator: function(checker){
return function getByteTimeDomainData(array){
return checkerWrapper(checker, this, arguments, function(args, check){
const {prefs, notify, window, original} = check;
notify("fakedAudioReadout");
const ret = original.call(this, ...args);
fakeUint8Array(array, window, prefs);
return ret;
});
return checkerWrapper(checker, this, arguments,
fakeArrayCheckerCallback.bind(this, array, fakeUint8Array)
);
};
}
},