fix: postMessage
crash with invalid transferrable (#46639)
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e8117f8e40
commit
352a403efd
5 changed files with 82 additions and 31 deletions
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@ -10,6 +10,23 @@
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namespace gin_helper {
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bool IsValidWrappable(const v8::Local<v8::Value>& val,
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const gin::WrapperInfo* wrapper_info) {
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if (!val->IsObject())
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return false;
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v8::Local<v8::Object> port = val.As<v8::Object>();
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if (port->InternalFieldCount() != gin::kNumberOfInternalFields)
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return false;
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const gin::WrapperInfo* info = static_cast<gin::WrapperInfo*>(
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port->GetAlignedPointerFromInternalField(gin::kWrapperInfoIndex));
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if (info != wrapper_info)
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return false;
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return true;
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}
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WrappableBase::WrappableBase() = default;
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WrappableBase::~WrappableBase() {
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@ -11,6 +11,9 @@
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namespace gin_helper {
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bool IsValidWrappable(const v8::Local<v8::Value>& obj,
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const gin::WrapperInfo* wrapper_info);
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namespace internal {
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void* FromV8Impl(v8::Isolate* isolate, v8::Local<v8::Value> val);
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