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/*
*
* Copyright 2015 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include <node.h>
#include "grpc/grpc.h"
#include "grpc/grpc_security.h"
#include "grpc/support/log.h"
#include "server_credentials.h"
namespace grpc {
namespace node {
using Nan::Callback;
using Nan::EscapableHandleScope;
using Nan::HandleScope;
using Nan::Maybe;
using Nan::MaybeLocal;
using Nan::ObjectWrap;
using Nan::Persistent;
using Nan::Utf8String;
using v8::Array;
using v8::Exception;
using v8::External;
using v8::Function;
using v8::FunctionTemplate;
using v8::Integer;
using v8::Local;
using v8::Object;
using v8::ObjectTemplate;
using v8::String;
using v8::Value;
Nan::Callback *ServerCredentials::constructor;
Persistent<FunctionTemplate> ServerCredentials::fun_tpl;
ServerCredentials::ServerCredentials(grpc_server_credentials *credentials)
: wrapped_credentials(credentials) {}
ServerCredentials::~ServerCredentials() {
grpc_server_credentials_release(wrapped_credentials);
}
void ServerCredentials::Init(Local<Object> exports) {
Nan::HandleScope scope;
Local<FunctionTemplate> tpl = Nan::New<FunctionTemplate>(New);
tpl->SetClassName(Nan::New("ServerCredentials").ToLocalChecked());
tpl->InstanceTemplate()->SetInternalFieldCount(1);
Local<Function> ctr = tpl->GetFunction();
Nan::Set(
ctr, Nan::New("createSsl").ToLocalChecked(),
Nan::GetFunction(Nan::New<FunctionTemplate>(CreateSsl)).ToLocalChecked());
Nan::Set(ctr, Nan::New("createInsecure").ToLocalChecked(),
Nan::GetFunction(Nan::New<FunctionTemplate>(CreateInsecure))
.ToLocalChecked());
fun_tpl.Reset(tpl);
constructor = new Nan::Callback(ctr);
Nan::Set(exports, Nan::New("ServerCredentials").ToLocalChecked(), ctr);
}
bool ServerCredentials::HasInstance(Local<Value> val) {
Nan::HandleScope scope;
return Nan::New(fun_tpl)->HasInstance(val);
}
Local<Value> ServerCredentials::WrapStruct(
grpc_server_credentials *credentials) {
Nan::EscapableHandleScope scope;
const int argc = 1;
Local<Value> argv[argc] = {
Nan::New<External>(reinterpret_cast<void *>(credentials))};
MaybeLocal<Object> maybe_instance =
Nan::NewInstance(constructor->GetFunction(), argc, argv);
if (maybe_instance.IsEmpty()) {
return scope.Escape(Nan::Null());
} else {
return scope.Escape(maybe_instance.ToLocalChecked());
}
}
grpc_server_credentials *ServerCredentials::GetWrappedServerCredentials() {
return wrapped_credentials;
}
NAN_METHOD(ServerCredentials::New) {
if (info.IsConstructCall()) {
if (!info[0]->IsExternal()) {
return Nan::ThrowTypeError(
"ServerCredentials can only be created with the provided functions");
}
Local<External> ext = info[0].As<External>();
grpc_server_credentials *creds_value =
reinterpret_cast<grpc_server_credentials *>(ext->Value());
ServerCredentials *credentials = new ServerCredentials(creds_value);
credentials->Wrap(info.This());
info.GetReturnValue().Set(info.This());
} else {
// This should never be called directly
return Nan::ThrowTypeError(
"ServerCredentials can only be created with the provided functions");
}
}
NAN_METHOD(ServerCredentials::CreateSsl) {
Nan::HandleScope scope;
char *root_certs = NULL;
if (::node::Buffer::HasInstance(info[0])) {
root_certs = ::node::Buffer::Data(info[0]);
} else if (!(info[0]->IsNull() || info[0]->IsUndefined())) {
return Nan::ThrowTypeError(
"createSSl's first argument must be a Buffer if provided");
}
if (!info[1]->IsArray()) {
return Nan::ThrowTypeError(
"createSsl's second argument must be a list of objects");
}
// Default to not requesting the client certificate
grpc_ssl_client_certificate_request_type client_certificate_request =
GRPC_SSL_DONT_REQUEST_CLIENT_CERTIFICATE;
if (info[2]->IsBoolean()) {
client_certificate_request =
Nan::To<bool>(info[2]).FromJust()
? GRPC_SSL_REQUEST_AND_REQUIRE_CLIENT_CERTIFICATE_AND_VERIFY
: GRPC_SSL_DONT_REQUEST_CLIENT_CERTIFICATE;
} else if (!(info[2]->IsUndefined() || info[2]->IsNull())) {
return Nan::ThrowTypeError(
"createSsl's third argument must be a boolean if provided");
}
Local<Array> pair_list = Local<Array>::Cast(info[1]);
uint32_t key_cert_pair_count = pair_list->Length();
grpc_ssl_pem_key_cert_pair *key_cert_pairs =
new grpc_ssl_pem_key_cert_pair[key_cert_pair_count];
Local<String> key_key = Nan::New("private_key").ToLocalChecked();
Local<String> cert_key = Nan::New("cert_chain").ToLocalChecked();
for (uint32_t i = 0; i < key_cert_pair_count; i++) {
Local<Value> pair_val = Nan::Get(pair_list, i).ToLocalChecked();
if (!pair_val->IsObject()) {
delete[] key_cert_pairs;
return Nan::ThrowTypeError("Key/cert pairs must be objects");
}
Local<Object> pair_obj = Nan::To<Object>(pair_val).ToLocalChecked();
Local<Value> maybe_key = Nan::Get(pair_obj, key_key).ToLocalChecked();
Local<Value> maybe_cert = Nan::Get(pair_obj, cert_key).ToLocalChecked();
if (!::node::Buffer::HasInstance(maybe_key)) {
delete[] key_cert_pairs;
return Nan::ThrowTypeError("private_key must be a Buffer");
}
if (!::node::Buffer::HasInstance(maybe_cert)) {
delete[] key_cert_pairs;
return Nan::ThrowTypeError("cert_chain must be a Buffer");
}
key_cert_pairs[i].private_key = ::node::Buffer::Data(maybe_key);
key_cert_pairs[i].cert_chain = ::node::Buffer::Data(maybe_cert);
}
grpc_server_credentials *creds = grpc_ssl_server_credentials_create_ex(
root_certs, key_cert_pairs, key_cert_pair_count,
client_certificate_request, NULL);
delete[] key_cert_pairs;
if (creds == NULL) {
info.GetReturnValue().SetNull();
} else {
info.GetReturnValue().Set(WrapStruct(creds));
}
}
NAN_METHOD(ServerCredentials::CreateInsecure) {
info.GetReturnValue().Set(WrapStruct(NULL));
}
} // namespace node
} // namespace grpc
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