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website/functions/node_modules/grpc/ext/server_credentials.cc

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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 <vector>
+
+#include <nan.h>
+#include <node.h>
+
+#include "grpc/grpc.h"
+#include "grpc/grpc_security.h"
+#include "grpc/support/log.h"
+#include "server_credentials.h"
+#include "util.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;
+  StringOrNull root_certs;
+  if (::node::Buffer::HasInstance(info[0])) {
+    root_certs.assign(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();
+  std::vector<grpc_ssl_pem_key_cert_pair> key_cert_pairs(key_cert_pair_count);
+  std::vector<StringOrNull> key_strings(key_cert_pair_count);
+  std::vector<StringOrNull> cert_strings(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()) {
+      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)) {
+      return Nan::ThrowTypeError("private_key must be a Buffer");
+    }
+    if (!::node::Buffer::HasInstance(maybe_cert)) {
+      return Nan::ThrowTypeError("cert_chain must be a Buffer");
+    }
+    key_strings[i].assign(maybe_key);
+    cert_strings[i].assign(maybe_cert);
+    key_cert_pairs[i].private_key = key_strings[i].get();
+    key_cert_pairs[i].cert_chain = cert_strings[i].get();
+  }
+  grpc_server_credentials *creds = grpc_ssl_server_credentials_create_ex(
+      root_certs.get(), key_cert_pairs.data(), key_cert_pair_count,
+      client_certificate_request, NULL);
+  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