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src: gracefully handle errors in GetX509NameObject #41490

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src: gracefully handle errors in GetX509NameObject #41490

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23 changes: 16 additions & 7 deletions src/crypto/crypto_common.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -1035,17 +1035,26 @@ static MaybeLocal<Value> GetX509NameObject(Environment* env, X509* cert) {
// change here without breaking things. Note that this creates nested data
// structures, yet still does not allow representing Distinguished Names
// accurately.
if (result->HasOwnProperty(env->context(), v8_name).ToChecked()) {
Local<Value> accum =
result->Get(env->context(), v8_name).ToLocalChecked();
bool multiple;
if (!result->HasOwnProperty(env->context(), v8_name).To(&multiple)) {
return MaybeLocal<Value>();
} else if (multiple) {
Local<Value> accum;
if (!result->Get(env->context(), v8_name).ToLocal(&accum)) {
return MaybeLocal<Value>();
}
if (!accum->IsArray()) {
accum = Array::New(env->isolate(), &accum, 1);
result->Set(env->context(), v8_name, accum).Check();
if (result->Set(env->context(), v8_name, accum).IsNothing()) {
return MaybeLocal<Value>();
}
}
Local<Array> array = accum.As<Array>();
array->Set(env->context(), array->Length(), v8_value).Check();
} else {
result->Set(env->context(), v8_name, v8_value).Check();
if (array->Set(env->context(), array->Length(), v8_value).IsNothing()) {
return MaybeLocal<Value>();
}
} else if (result->Set(env->context(), v8_name, v8_value).IsNothing()) {
return MaybeLocal<Value>();
}
}

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