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32 lines
1.1 KiB
32 lines
1.1 KiB
#include <node.h>
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#include <assert.h>
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#include <openssl/rand.h>
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namespace {
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inline void RandomBytes(const v8::FunctionCallbackInfo<v8::Value>& info) {
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assert(info[0]->IsArrayBufferView());
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auto view = info[0].As<v8::ArrayBufferView>();
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auto byte_offset = view->ByteOffset();
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auto byte_length = view->ByteLength();
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assert(view->HasBuffer());
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auto buffer = view->Buffer();
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auto contents = buffer->GetContents();
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auto data = static_cast<unsigned char*>(contents.Data()) + byte_offset;
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assert(RAND_poll());
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auto rval = RAND_bytes(data, static_cast<int>(byte_length));
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info.GetReturnValue().Set(rval > 0);
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}
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inline void Initialize(v8::Local<v8::Object> exports,
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v8::Local<v8::Value> module,
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v8::Local<v8::Context> context) {
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auto isolate = context->GetIsolate();
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auto key = v8::String::NewFromUtf8(isolate, "randomBytes");
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auto value = v8::FunctionTemplate::New(isolate, RandomBytes)->GetFunction();
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assert(exports->Set(context, key, value).IsJust());
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}
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} // anonymous namespace
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NODE_MODULE_CONTEXT_AWARE(NODE_GYP_MODULE_NAME, Initialize)
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