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

Simplified code structure

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This commit is contained in:
kkapsner 2019-12-12 23:44:02 +01:00
parent 0d331d91a6
commit af1dfe755c
2 changed files with 100 additions and 95 deletions
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43
lib/intercept.js
View File

@ -315,21 +315,25 @@
const changedFunction = changedFunctions[name];
const functionStatus = changedFunction.getStatus(undefined, siteStatus, prefs);
logging.verbose("status for", name, ":", functionStatus);
if (functionStatus.active){
if (!functionStatus.active) return;
getAllFunctionObjects(windowToProcess, changedFunction).forEach(function(object){
if (object){
if (!object) return;
const original = object[name];
const checker = generateChecker({
name, changedFunction, siteStatus, original,
window: windowToProcess, prefs, checkStack, ask, notify
});
const descriptor = Object.getOwnPropertyDescriptor(object, name);
if (descriptor){
if (!descriptor) return;
if (descriptor.hasOwnProperty("value")){
if (changedFunction.fakeGenerator){
descriptor.value = exportFunction(
descriptor.value = extension.exportFunctionWithName(
changedFunction.fakeGenerator(checker, original, windowToProcess),
windowToProcess
windowToProcess,
original.name
);
}
else {
@ -337,18 +341,16 @@
}
}
else {
descriptor.get = exportFunction(function(){
return exportFunction(
descriptor.get = extension.exportFunctionWithName(function(){
return extension.exportFunctionWithName(
changedFunction.fakeGenerator(checker),
windowToProcess
windowToProcess,
original.name
);
}, windowToProcess);
}, windowToProcess, descriptor.get.name);
}
Object.defineProperty(object, name, descriptor);
}
}
});
}
});
}
function interceptGetters(windowToProcess, siteStatus, {checkStack, ask, notify, prefs}){
@ -356,12 +358,16 @@
const name = changedGetter.name;
const functionStatus = changedGetter.getStatus(undefined, siteStatus, prefs);
logging.verbose("status for", changedGetter, ":", functionStatus);
if (functionStatus.active){
if (!functionStatus.active) return;
changedGetter.objectGetters.forEach(function(objectGetter){
const object = objectGetter(extension.getWrapped(windowToProcess));
if (object){
if (!object) return;
const descriptor = Object.getOwnPropertyDescriptor(object, name);
if (descriptor && descriptor.hasOwnProperty("get")){
if (!descriptor) return;
if (descriptor.hasOwnProperty("get")){
const original = descriptor.get;
const checker = generateChecker({
name, changedFunction: changedGetter, siteStatus, original,
@ -384,15 +390,12 @@
}
else if (
changedGetter.valueGenerator &&
descriptor && descriptor.hasOwnProperty("value")
descriptor.hasOwnProperty("value")
){
const protectedAPIFeatures = prefs("protectedAPIFeatures");
if (
functionStatus.active &&
(
!protectedAPIFeatures.hasOwnProperty(name + " @ " + changedGetter.api) ||
protectedAPIFeatures[name + " @ " + changedGetter.api]
)
){
switch (functionStatus.mode){
case "ask": case "block": case "fake":
@ -418,9 +421,7 @@
else {
logging.error("Try to fake non getter property:", changedGetter);
}
}
});
}
});
}
scope.intercept = function intercept({subject: windowToProcess}, apis){

4
versions/updates.json
View File

@ -85,6 +85,10 @@
{
"version": "0.5.15RC1",
"update_link": "https://canvasblocker.kkapsner.de/versions/canvasblocker_beta-0.5.15RC1-an+fx.xpi"
},
{
"version": "0.5.15RC2",
"update_link": "https://canvasblocker.kkapsner.de/versions/canvasblocker_beta-0.5.15RC2-an+fx.xpi"
}
]
}