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/*
*
* Copyright 2015, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#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");
}
int force_client_auth = 0;
if (info[2]->IsBoolean()) {
force_client_auth = (int)Nan::To<bool>(info[2]).FromJust();
} 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(
root_certs, key_cert_pairs, key_cert_pair_count, force_client_auth, 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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