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SGXRegistrationServer.cpp
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SGXRegistrationServer.cpp
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/*
Copyright (C) 2019-Present SKALE Labs
This file is part of sgxwallet.
sgxwallet is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
sgxwallet is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with sgxwallet. If not, see <https://www.gnu.org/licenses/>.
@file SGXRegistrationServer.cpp
@author Stan Kladko
@date 2019
*/
#include <fstream>
#include <iostream>
#include <sstream>
#include <jsonrpccpp/server/connectors/httpserver.h>
#include <third_party/cryptlite/sha256.h>
#include <stdio.h>
#include "sgxwallet_common.h"
#include "LevelDB.h"
#include "SGXException.h"
#include <thread>
#include <time.h>
#include <functional>
#include "LevelDB.h"
#include "SGXRegistrationServer.h"
#include "Log.h"
#include "common.h"
bool printDebugInfo = false;
bool useHTTPS = false;
bool enterBackupKey = false;
bool autoconfirm = false;
shared_ptr<SGXRegistrationServer> SGXRegistrationServer::server = nullptr;
shared_ptr<HttpServer> SGXRegistrationServer::httpServer = nullptr;
SGXRegistrationServer::SGXRegistrationServer(AbstractServerConnector &connector,
serverVersion_t type,
bool _autoSign)
: AbstractRegServer(connector, type), autoSign(_autoSign) {}
Json::Value SGXRegistrationServer::SignCertificate(const string &csr) {
spdlog::info(__FUNCTION__);
INIT_RESULT(result)
result["result"] = false;
try {
std::lock_guard<std::mutex> lock(m);
string hash = cryptlite::sha256::hash_hex(csr);
if (system("ls " CERT_DIR "/" CERT_CREATE_COMMAND) != 0) {
spdlog::error("cert/create_client_cert does not exist");
throw SGXException(FAIL_TO_CREATE_CERTIFICATE,
"CLIENT CERTIFICATE GENERATION FAILED");
}
string csr_name = string(CERT_DIR) + "/" + hash + ".csr";
ofstream outfile(csr_name);
outfile.exceptions(std::ifstream::failbit | std::ifstream::badbit);
outfile << csr << endl;
outfile.close();
if (system(("ls " + csr_name).c_str()) != 0) {
spdlog::error("could not create csr file");
throw SGXException(FAIL_TO_CREATE_CERTIFICATE,
"CLIENT CERTIFICATE GENERATION FAILED");
}
if (system(("openssl req -in " + csr_name).c_str()) != 0) {
spdlog::error("Incorrect CSR format: {}", csr);
throw SGXException(FAIL_TO_CREATE_CERTIFICATE, "Incorrect CSR format ");
}
if (autoSign) {
string genCert =
string("cd ") + CERT_DIR + "&& ./" + CERT_CREATE_COMMAND + " " + hash;
if (system(genCert.c_str()) == 0) {
spdlog::info("Client cert " + hash + " generated");
} else {
spdlog::error("Client cert generation failed: {} ", genCert);
throw SGXException(FAIL_TO_CREATE_CERTIFICATE,
"CLIENT CERTIFICATE GENERATION FAILED");
}
} else {
string db_key = "CSR:HASH:" + hash;
LevelDB::getCsrStatusDb()->writeDataUnique(db_key, csr);
}
string db_key = "CSR:HASH:" + hash + "STATUS:";
string status = "0";
LevelDB::getCsrStatusDb()->writeDataUnique(db_key, status);
result["result"] = true;
result["hash"] = hash;
}
HANDLE_SGX_EXCEPTION(result)
RETURN_SUCCESS(result)
}
Json::Value SGXRegistrationServer::GetCertificate(const string &hash) {
spdlog::info(__FUNCTION__);
Json::Value result;
string cert;
try {
string db_key = "CSR:HASH:" + hash + "STATUS:";
shared_ptr<string> status_str_ptr =
LevelDB::getCsrStatusDb()->readString(db_key);
if (status_str_ptr == nullptr) {
throw SGXException(CERT_REQUEST_DOES_NOT_EXIST,
"Data with this name does not exist in csr db");
}
int status = atoi(status_str_ptr->c_str());
if (status == 0) {
string crtPath = "cert/" + hash + ".crt";
if (system(("ls " + crtPath).c_str()) != 0) {
throw SGXException(FILE_NOT_FOUND, "Certificate does not exist");
}
ifstream infile(crtPath);
infile.exceptions(std::ifstream::failbit | std::ifstream::badbit);
ostringstream ss;
ss << infile.rdbuf();
infile.close();
cert = ss.str();
}
result["status"] = status;
result["cert"] = cert;
}
HANDLE_SGX_EXCEPTION(result)
RETURN_SUCCESS(result)
}
void SGXRegistrationServer::initRegistrationServer(bool _autoSign) {
httpServer = make_shared<HttpServer>(BASE_PORT + 1);
server = make_shared<SGXRegistrationServer>(
*httpServer, JSONRPC_SERVER_V2,
_autoSign); // hybrid server (json-rpc 1.0 & 2.0)
spdlog::info("Starting registration server on port {} ...", BASE_PORT + 1);
if (!server->StartListening()) {
spdlog::error("Registration server could not start listening on port {}",
BASE_PORT + 1);
throw SGXException(REGISTRATION_SERVER_FAILED_TO_START,
"Registration server could not start listening.");
} else {
spdlog::info("Registration server started on port {}", BASE_PORT + 1);
}
}
int SGXRegistrationServer::exitServer() {
spdlog::info("Stoping registration server");
if (server && !server->StopListening()) {
spdlog::error("Registration server could not be stopped. Will forcefully "
"terminate the app");
} else {
spdlog::info("Registration server stopped");
}
return 0;
}
shared_ptr<SGXRegistrationServer> SGXRegistrationServer::getServer() {
CHECK_STATE(server);
return server;
}