fix: correctly track receiver for methods called via ctx bridge (#39978)
* fix: correctly track receiver for methods called via ctx bridge * spec: test for correct contextBridge passage --------- Co-authored-by: Shelley Vohr <shelley.vohr@gmail.com>
This commit is contained in:
Samuel Attard
GitHub
parent
5b105f911f
commit
fd2861117e
5 changed files with 90 additions and 47 deletions
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@ -44,6 +44,8 @@ namespace api {
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namespace context_bridge {
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const char kProxyFunctionPrivateKey[] = "electron_contextBridge_proxy_fn";
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const char kProxyFunctionReceiverPrivateKey[] =
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"electron_contextBridge_proxy_fn_receiver";
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const char kSupportsDynamicPropertiesPrivateKey[] =
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"electron_contextBridge_supportsDynamicProperties";
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const char kOriginalFunctionPrivateKey[] = "electron_contextBridge_original_fn";
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@ -138,6 +140,7 @@ v8::MaybeLocal<v8::Value> PassValueToOtherContext(
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v8::Local<v8::Context> source_context,
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v8::Local<v8::Context> destination_context,
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v8::Local<v8::Value> value,
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v8::Local<v8::Value> parent_value,
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context_bridge::ObjectCache* object_cache,
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bool support_dynamic_properties,
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int recursion_depth,
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@ -199,6 +202,9 @@ v8::MaybeLocal<v8::Value> PassValueToOtherContext(
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v8::Object::New(destination_context->GetIsolate());
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SetPrivate(destination_context, state,
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context_bridge::kProxyFunctionPrivateKey, func);
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SetPrivate(destination_context, state,
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context_bridge::kProxyFunctionReceiverPrivateKey,
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parent_value);
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SetPrivate(destination_context, state,
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context_bridge::kSupportsDynamicPropertiesPrivateKey,
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gin::ConvertToV8(destination_context->GetIsolate(),
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@ -246,10 +252,12 @@ v8::MaybeLocal<v8::Value> PassValueToOtherContext(
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v8::MaybeLocal<v8::Value> val;
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{
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v8::TryCatch try_catch(isolate);
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v8::Local<v8::Context> source_context =
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global_source_context.Get(isolate);
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val = PassValueToOtherContext(
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global_source_context.Get(isolate),
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global_destination_context.Get(isolate), result, &object_cache,
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false, 0, BridgeErrorTarget::kDestination);
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source_context, global_destination_context.Get(isolate), result,
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source_context->Global(), &object_cache, false, 0,
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BridgeErrorTarget::kDestination);
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if (try_catch.HasCaught()) {
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if (try_catch.Message().IsEmpty()) {
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proxied_promise->RejectWithErrorMessage(
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@ -292,10 +300,12 @@ v8::MaybeLocal<v8::Value> PassValueToOtherContext(
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v8::MaybeLocal<v8::Value> val;
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{
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v8::TryCatch try_catch(isolate);
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v8::Local<v8::Context> source_context =
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global_source_context.Get(isolate);
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val = PassValueToOtherContext(
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global_source_context.Get(isolate),
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global_destination_context.Get(isolate), result, &object_cache,
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false, 0, BridgeErrorTarget::kDestination);
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source_context, global_destination_context.Get(isolate), result,
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source_context->Global(), &object_cache, false, 0,
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BridgeErrorTarget::kDestination);
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if (try_catch.HasCaught()) {
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if (try_catch.Message().IsEmpty()) {
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proxied_promise->RejectWithErrorMessage(
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@ -362,7 +372,7 @@ v8::MaybeLocal<v8::Value> PassValueToOtherContext(
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for (size_t i = 0; i < length; i++) {
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auto value_for_array = PassValueToOtherContext(
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source_context, destination_context,
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arr->Get(source_context, i).ToLocalChecked(), object_cache,
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arr->Get(source_context, i).ToLocalChecked(), value, object_cache,
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support_dynamic_properties, recursion_depth + 1, error_target);
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if (value_for_array.IsEmpty())
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return v8::MaybeLocal<v8::Value>();
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@ -442,8 +452,10 @@ void ProxyFunctionWrapper(const v8::FunctionCallbackInfo<v8::Value>& info) {
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context_bridge::kSupportsDynamicPropertiesPrivateKey);
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v8::MaybeLocal<v8::Value> maybe_func = GetPrivate(
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calling_context, data, context_bridge::kProxyFunctionPrivateKey);
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v8::MaybeLocal<v8::Value> maybe_recv = GetPrivate(
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calling_context, data, context_bridge::kProxyFunctionReceiverPrivateKey);
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v8::Local<v8::Value> func_value;
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if (sdp_value.IsEmpty() || maybe_func.IsEmpty() ||
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if (sdp_value.IsEmpty() || maybe_func.IsEmpty() || maybe_recv.IsEmpty() ||
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!gin::ConvertFromV8(args.isolate(), sdp_value.ToLocalChecked(),
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&support_dynamic_properties) ||
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!maybe_func.ToLocal(&func_value))
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@ -463,8 +475,9 @@ void ProxyFunctionWrapper(const v8::FunctionCallbackInfo<v8::Value>& info) {
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for (auto value : original_args) {
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auto arg = PassValueToOtherContext(
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calling_context, func_owning_context, value, &object_cache,
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support_dynamic_properties, 0, BridgeErrorTarget::kSource);
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calling_context, func_owning_context, value,
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calling_context->Global(), &object_cache, support_dynamic_properties,
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0, BridgeErrorTarget::kSource);
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if (arg.IsEmpty())
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return;
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proxied_args.push_back(arg.ToLocalChecked());
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@ -475,8 +488,9 @@ void ProxyFunctionWrapper(const v8::FunctionCallbackInfo<v8::Value>& info) {
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v8::Local<v8::Value> error_message;
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{
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v8::TryCatch try_catch(args.isolate());
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maybe_return_value = func->Call(func_owning_context, func,
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proxied_args.size(), proxied_args.data());
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maybe_return_value =
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func->Call(func_owning_context, maybe_recv.ToLocalChecked(),
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proxied_args.size(), proxied_args.data());
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if (try_catch.HasCaught()) {
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did_error = true;
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v8::Local<v8::Value> exception = try_catch.Exception();
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@ -531,6 +545,7 @@ void ProxyFunctionWrapper(const v8::FunctionCallbackInfo<v8::Value>& info) {
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v8::TryCatch try_catch(args.isolate());
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ret = PassValueToOtherContext(func_owning_context, calling_context,
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maybe_return_value.ToLocalChecked(),
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func_owning_context->Global(),
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&object_cache, support_dynamic_properties,
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0, BridgeErrorTarget::kDestination);
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if (try_catch.HasCaught()) {
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@ -607,18 +622,18 @@ v8::MaybeLocal<v8::Object> CreateProxyForAPI(
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v8::Local<v8::Value> getter_proxy;
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v8::Local<v8::Value> setter_proxy;
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if (!getter.IsEmpty()) {
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if (!PassValueToOtherContext(source_context, destination_context,
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getter, object_cache,
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support_dynamic_properties, 1,
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error_target)
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if (!PassValueToOtherContext(
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source_context, destination_context, getter,
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api.GetHandle(), object_cache,
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support_dynamic_properties, 1, error_target)
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.ToLocal(&getter_proxy))
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continue;
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}
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if (!setter.IsEmpty()) {
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if (!PassValueToOtherContext(source_context, destination_context,
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setter, object_cache,
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support_dynamic_properties, 1,
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error_target)
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if (!PassValueToOtherContext(
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source_context, destination_context, setter,
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api.GetHandle(), object_cache,
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support_dynamic_properties, 1, error_target)
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.ToLocal(&setter_proxy))
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continue;
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}
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@ -635,8 +650,9 @@ v8::MaybeLocal<v8::Object> CreateProxyForAPI(
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continue;
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auto passed_value = PassValueToOtherContext(
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source_context, destination_context, value, object_cache,
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support_dynamic_properties, recursion_depth + 1, error_target);
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source_context, destination_context, value, api.GetHandle(),
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object_cache, support_dynamic_properties, recursion_depth + 1,
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error_target);
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if (passed_value.IsEmpty())
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return v8::MaybeLocal<v8::Object>();
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proxy.Set(key, passed_value.ToLocalChecked());
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@ -683,7 +699,8 @@ void ExposeAPIInWorld(v8::Isolate* isolate,
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v8::Context::Scope target_context_scope(target_context);
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v8::MaybeLocal<v8::Value> maybe_proxy = PassValueToOtherContext(
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electron_isolated_context, target_context, api, &object_cache, false, 0,
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electron_isolated_context, target_context, api,
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electron_isolated_context->Global(), &object_cache, false, 0,
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BridgeErrorTarget::kSource);
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if (maybe_proxy.IsEmpty())
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return;
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@ -732,9 +749,11 @@ void OverrideGlobalValueFromIsolatedWorld(
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{
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v8::Context::Scope main_context_scope(main_context);
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context_bridge::ObjectCache object_cache;
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v8::Local<v8::Context> source_context = value->GetCreationContextChecked();
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v8::MaybeLocal<v8::Value> maybe_proxy = PassValueToOtherContext(
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value->GetCreationContextChecked(), main_context, value, &object_cache,
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support_dynamic_properties, 1, BridgeErrorTarget::kSource);
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source_context, main_context, value, source_context->Global(),
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&object_cache, support_dynamic_properties, 1,
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BridgeErrorTarget::kSource);
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DCHECK(!maybe_proxy.IsEmpty());
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auto proxy = maybe_proxy.ToLocalChecked();
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@ -768,15 +787,19 @@ bool OverrideGlobalPropertyFromIsolatedWorld(
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v8::Local<v8::Value> getter_proxy;
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v8::Local<v8::Value> setter_proxy;
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if (!getter->IsNullOrUndefined()) {
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v8::Local<v8::Context> source_context =
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getter->GetCreationContextChecked();
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v8::MaybeLocal<v8::Value> maybe_getter_proxy = PassValueToOtherContext(
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getter->GetCreationContextChecked(), main_context, getter,
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source_context, main_context, getter, source_context->Global(),
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&object_cache, false, 1, BridgeErrorTarget::kSource);
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DCHECK(!maybe_getter_proxy.IsEmpty());
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getter_proxy = maybe_getter_proxy.ToLocalChecked();
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}
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if (!setter->IsNullOrUndefined() && setter->IsObject()) {
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v8::Local<v8::Context> source_context =
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getter->GetCreationContextChecked();
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v8::MaybeLocal<v8::Value> maybe_setter_proxy = PassValueToOtherContext(
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getter->GetCreationContextChecked(), main_context, setter,
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source_context, main_context, setter, source_context->Global(),
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&object_cache, false, 1, BridgeErrorTarget::kSource);
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DCHECK(!maybe_setter_proxy.IsEmpty());
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setter_proxy = maybe_setter_proxy.ToLocalChecked();
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