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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 CSRManager.cpp
@author Stan Kladko
@date 2019
*/
#include "CSRManagerServer.h"
#include "SGXException.h"
#include "sgxwallet_common.h"
#include <iostream>
#include <fstream>
#include <jsonrpccpp/server/connectors/httpserver.h>
#include "spdlog/spdlog.h"
#include "common.h"
CSRManagerServer *cs = nullptr;
jsonrpc::HttpServer *hs3 = nullptr;
CSRManagerServer::CSRManagerServer(AbstractServerConnector &connector,
serverVersion_t type) : abstractCSRManagerServer(connector, type) {}
Json::Value getUnsignedCSRsImpl() {
spdlog::info("Enter getUnsignedCSRsImpl");
Json::Value result;
result["status"] = 0;
result["errorMessage"] = "";
try {
vector<string> hashes_vect = LevelDB::getCsrDb()->writeKeysToVector1(MAX_CSR_NUM);
for (int i = 0; i < (int) hashes_vect.size(); i++) {
result["hashes"][i] = hashes_vect.at(i);
}
} catch (SGXException &_e) {
cerr << " err str " << _e.errString << endl;
result["status"] = _e.status;
result["errorMessage"] = _e.errString;
}
return result;
}
Json::Value signByHashImpl(const string &hash, int status) {
Json::Value result;
result["errorMessage"] = "";
try {
if (!(status == 0 || status == 2)) {
throw SGXException(-111, "Invalid csr status");
}
string csr_db_key = "CSR:HASH:" + hash;
shared_ptr<string> csr_ptr = LevelDB::getCsrDb()->readString(csr_db_key);
if (csr_ptr == nullptr) {
throw SGXException(KEY_SHARE_DOES_NOT_EXIST, "HASH DOES NOT EXIST IN DB");
}
if (status == 0) {
string csr_name = "sgx_data/cert/" + hash + ".csr";
ofstream outfile(csr_name);
outfile << *csr_ptr << endl;
outfile.close();
if (access(csr_name.c_str(), F_OK) != 0) {
LevelDB::getCsrDb()->deleteKey(csr_db_key);
throw SGXException(FILE_NOT_FOUND, "Csr does not exist");
}
string signClientCert = "cd sgx_data/cert && ./create_client_cert " + hash;
if (system(signClientCert.c_str()) == 0) {
spdlog::info("CLIENT CERTIFICATE IS SUCCESSFULLY GENERATED");
} else {
spdlog::info("CLIENT CERTIFICATE GENERATION FAILED");
LevelDB::getCsrDb()->deleteKey(csr_db_key);
string status_db_key = "CSR:HASH:" + hash + "STATUS:";
LevelDB::getCsrStatusDb()->deleteKey(status_db_key);
LevelDB::getCsrStatusDb()->writeDataUnique(status_db_key, "-1");
throw SGXException(FAIL_TO_CREATE_CERTIFICATE, "CLIENT CERTIFICATE GENERATION FAILED");
//exit(-1);
}
}
LevelDB::getCsrDb()->deleteKey(csr_db_key);
string status_db_key = "CSR:HASH:" + hash + "STATUS:";
LevelDB::getCsrStatusDb()->deleteKey(status_db_key);
LevelDB::getCsrStatusDb()->writeDataUnique(status_db_key, to_string(status));
result["status"] = status;
} catch (SGXException &_e) {
cerr << " err str " << _e.errString << endl;
result["status"] = _e.status;
result["errorMessage"] = _e.errString;
}
return result;
}
Json::Value CSRManagerServer::getUnsignedCSRs() {
lock_guard<recursive_mutex> lock(m);
return getUnsignedCSRsImpl();
}
Json::Value CSRManagerServer::signByHash(const string &hash, int status) {
lock_guard<recursive_mutex> lock(m);
return signByHashImpl(hash, status);
}
int init_csrmanager_server() {
hs3 = new jsonrpc::HttpServer(BASE_PORT + 2);
hs3->BindLocalhost();
cs = new CSRManagerServer(*hs3, JSONRPC_SERVER_V2); // server (json-rpc 2.0)
if (!cs->StartListening()) {
spdlog::info("CSR manager server could not start listening");
exit(-1);
} else {
spdlog::info("CSR manager server started on port {}", BASE_PORT + 2);
}
return 0;
};