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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 "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::Exception;
using v8::External;
using v8::Function;
using v8::FunctionTemplate;
using v8::Integer;
using v8::Local;
using v8::Object;
using v8::ObjectTemplate;
using v8::Value;
Nan::Callback *Credentials::constructor;
Persistent<FunctionTemplate> Credentials::fun_tpl;
Credentials::Credentials(grpc_credentials *credentials)
: wrapped_credentials(credentials) {}
Credentials::~Credentials() {
grpc_credentials_release(wrapped_credentials);
}
void Credentials::Init(Local<Object> exports) {
HandleScope scope;
Local<FunctionTemplate> tpl = Nan::New<FunctionTemplate>(New);
tpl->SetClassName(Nan::New("Credentials").ToLocalChecked());
tpl->InstanceTemplate()->SetInternalFieldCount(1);
fun_tpl.Reset(tpl);
Local<Function> ctr = Nan::GetFunction(tpl).ToLocalChecked();
Nan::Set(ctr, Nan::New("createDefault").ToLocalChecked(),
Nan::GetFunction(
Nan::New<FunctionTemplate>(CreateDefault)).ToLocalChecked());
Nan::Set(ctr, Nan::New("createSsl").ToLocalChecked(),
Nan::GetFunction(
Nan::New<FunctionTemplate>(CreateSsl)).ToLocalChecked());
Nan::Set(ctr, Nan::New("createComposite").ToLocalChecked(),
Nan::GetFunction(
Nan::New<FunctionTemplate>(CreateComposite)).ToLocalChecked());
Nan::Set(ctr, Nan::New("createGce").ToLocalChecked(),
Nan::GetFunction(
Nan::New<FunctionTemplate>(CreateGce)).ToLocalChecked());
Nan::Set(ctr, Nan::New("createIam").ToLocalChecked(),
Nan::GetFunction(
Nan::New<FunctionTemplate>(CreateIam)).ToLocalChecked());
Nan::Set(ctr, Nan::New("createInsecure").ToLocalChecked(),
Nan::GetFunction(
Nan::New<FunctionTemplate>(CreateInsecure)).ToLocalChecked());
Nan::Set(exports, Nan::New("Credentials").ToLocalChecked(), ctr);
constructor = new Nan::Callback(ctr);
}
bool Credentials::HasInstance(Local<Value> val) {
HandleScope scope;
return Nan::New(fun_tpl)->HasInstance(val);
}
Local<Value> Credentials::WrapStruct(grpc_credentials *credentials) {
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_credentials *Credentials::GetWrappedCredentials() {
return wrapped_credentials;
}
NAN_METHOD(Credentials::New) {
if (info.IsConstructCall()) {
if (!info[0]->IsExternal()) {
return Nan::ThrowTypeError(
"Credentials can only be created with the provided functions");
}
Local<External> ext = info[0].As<External>();
grpc_credentials *creds_value =
reinterpret_cast<grpc_credentials *>(ext->Value());
Credentials *credentials = new Credentials(creds_value);
credentials->Wrap(info.This());
info.GetReturnValue().Set(info.This());
return;
} else {
const int argc = 1;
Local<Value> argv[argc] = {info[0]};
MaybeLocal<Object> maybe_instance = constructor->GetFunction()->NewInstance(
argc, argv);
if (maybe_instance.IsEmpty()) {
// There's probably a pending exception
return;
} else {
info.GetReturnValue().Set(maybe_instance.ToLocalChecked());
}
}
}
NAN_METHOD(Credentials::CreateDefault) {
grpc_credentials *creds = grpc_google_default_credentials_create();
if (creds == NULL) {
info.GetReturnValue().SetNull();
} else {
info.GetReturnValue().Set(WrapStruct(creds));
}
}
NAN_METHOD(Credentials::CreateSsl) {
char *root_certs = NULL;
grpc_ssl_pem_key_cert_pair key_cert_pair = {NULL, 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 (::node::Buffer::HasInstance(info[1])) {
key_cert_pair.private_key = ::node::Buffer::Data(info[1]);
} else if (!(info[1]->IsNull() || info[1]->IsUndefined())) {
return Nan::ThrowTypeError(
"createSSl's second argument must be a Buffer if provided");
}
if (::node::Buffer::HasInstance(info[2])) {
key_cert_pair.cert_chain = ::node::Buffer::Data(info[2]);
} else if (!(info[2]->IsNull() || info[2]->IsUndefined())) {
return Nan::ThrowTypeError(
"createSSl's third argument must be a Buffer if provided");
}
grpc_credentials *creds = grpc_ssl_credentials_create(
root_certs, key_cert_pair.private_key == NULL ? NULL : &key_cert_pair,
NULL);
if (creds == NULL) {
info.GetReturnValue().SetNull();
} else {
info.GetReturnValue().Set(WrapStruct(creds));
}
}
NAN_METHOD(Credentials::CreateComposite) {
if (!HasInstance(info[0])) {
return Nan::ThrowTypeError(
"createComposite's first argument must be a Credentials object");
}
if (!HasInstance(info[1])) {
return Nan::ThrowTypeError(
"createComposite's second argument must be a Credentials object");
}
Credentials *creds1 = ObjectWrap::Unwrap<Credentials>(
Nan::To<Object>(info[0]).ToLocalChecked());
Credentials *creds2 = ObjectWrap::Unwrap<Credentials>(
Nan::To<Object>(info[1]).ToLocalChecked());
grpc_credentials *creds = grpc_composite_credentials_create(
creds1->wrapped_credentials, creds2->wrapped_credentials, NULL);
if (creds == NULL) {
info.GetReturnValue().SetNull();
} else {
info.GetReturnValue().Set(WrapStruct(creds));
}
}
NAN_METHOD(Credentials::CreateGce) {
Nan::HandleScope scope;
grpc_credentials *creds = grpc_google_compute_engine_credentials_create(NULL);
if (creds == NULL) {
info.GetReturnValue().SetNull();
} else {
info.GetReturnValue().Set(WrapStruct(creds));
}
}
NAN_METHOD(Credentials::CreateIam) {
if (!info[0]->IsString()) {
return Nan::ThrowTypeError("createIam's first argument must be a string");
}
if (!info[1]->IsString()) {
return Nan::ThrowTypeError("createIam's second argument must be a string");
}
Utf8String auth_token(info[0]);
Utf8String auth_selector(info[1]);
grpc_credentials *creds =
grpc_google_iam_credentials_create(*auth_token, *auth_selector, NULL);
if (creds == NULL) {
info.GetReturnValue().SetNull();
} else {
info.GetReturnValue().Set(WrapStruct(creds));
}
}
NAN_METHOD(Credentials::CreateInsecure) {
info.GetReturnValue().Set(WrapStruct(NULL));
}
} // namespace node
} // namespace grpc
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