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src: improve error handling in permission.cc #56904

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src: improve error handling in permission.cc #56904

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39 changes: 21 additions & 18 deletions src/permission/permission.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -17,9 +17,9 @@ namespace node {

using v8::Context;
using v8::FunctionCallbackInfo;
using v8::IntegrityLevel;
using v8::Local;
using v8::MaybeLocal;
using v8::NewStringType;
using v8::Object;
using v8::String;
using v8::Value;
Expand All @@ -32,10 +32,9 @@ namespace {
// permission.has('fs.in')
static void Has(const FunctionCallbackInfo<Value>& args) {
Environment* env = Environment::GetCurrent(args);
v8::Isolate* isolate = env->isolate();
CHECK(args[0]->IsString());

String::Utf8Value utf8_deny_scope(isolate, args[0]);
String::Utf8Value utf8_deny_scope(env->isolate(), args[0]);
if (*utf8_deny_scope == nullptr) {
return;
}
Expand All @@ -47,7 +46,7 @@ static void Has(const FunctionCallbackInfo<Value>& args) {
}

if (args.Length() > 1 && !args[1]->IsUndefined()) {
String::Utf8Value utf8_arg(isolate, args[1]);
String::Utf8Value utf8_arg(env->isolate(), args[1]);
if (*utf8_arg == nullptr) {
return;
}
Expand Down Expand Up @@ -111,14 +110,12 @@ MaybeLocal<Value> CreateAccessDeniedError(Environment* env,
PermissionScope perm,
const std::string_view& res) {
Local<Object> err = ERR_ACCESS_DENIED(env->isolate());
Local<String> perm_string;
Local<String> resource_string;
if (!String::NewFromUtf8(env->isolate(),
Permission::PermissionToString(perm),
NewStringType::kNormal)
Local<Value> perm_string;
Local<Value> resource_string;
std::string_view perm_str = Permission::PermissionToString(perm);
if (!ToV8Value(env->context(), perm_str, env->isolate())
.ToLocal(&perm_string) ||
!String::NewFromUtf8(
env->isolate(), std::string(res).c_str(), NewStringType::kNormal)
!ToV8Value(env->context(), res, env->isolate())
.ToLocal(&resource_string) ||
err->Set(env->context(), env->permission_string(), perm_string)
.IsNothing() ||
Expand All @@ -132,18 +129,24 @@ MaybeLocal<Value> CreateAccessDeniedError(Environment* env,
void Permission::ThrowAccessDenied(Environment* env,
PermissionScope perm,
const std::string_view& res) {
MaybeLocal<Value> err = CreateAccessDeniedError(env, perm, res);
if (err.IsEmpty()) return;
env->isolate()->ThrowException(err.ToLocalChecked());
Local<Value> err;
if (CreateAccessDeniedError(env, perm, res).ToLocal(&err)) {
env->isolate()->ThrowException(err);
}
// If ToLocal returned false, then v8 will have scheduled a
// superseding error to be thrown.
}

void Permission::AsyncThrowAccessDenied(Environment* env,
fs::FSReqBase* req_wrap,
PermissionScope perm,
const std::string_view& res) {
MaybeLocal<Value> err = CreateAccessDeniedError(env, perm, res);
if (err.IsEmpty()) return;
return req_wrap->Reject(err.ToLocalChecked());
Local<Value> err;
if (CreateAccessDeniedError(env, perm, res).ToLocal(&err)) {
return req_wrap->Reject(err);
}
// If ToLocal returned false, then v8 will have scheduled a
// superseding error to be thrown.
}

void Permission::EnablePermissions() {
Expand All @@ -167,7 +170,7 @@ void Initialize(Local<Object> target,
void* priv) {
SetMethodNoSideEffect(context, target, "has", Has);

target->SetIntegrityLevel(context, v8::IntegrityLevel::kFrozen).FromJust();
target->SetIntegrityLevel(context, IntegrityLevel::kFrozen).FromJust();
}

void RegisterExternalReferences(ExternalReferenceRegistry* registry) {
Expand Down
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