rcpp_framework/libs/brynet/net/SSLHelper.hpp

152 lines
3.2 KiB
C++

#pragma once
#include <brynet/base/Noexcept.hpp>
#include <brynet/base/NonCopyable.hpp>
#include <brynet/base/Platform.hpp>
#include <memory>
#include <mutex>
#include <string>
#include <thread>
#include <unordered_map>
#ifdef BRYNET_USE_OPENSSL
#ifdef __cplusplus
extern "C" {
#endif
#include <openssl/err.h>
#include <openssl/ssl.h>
#ifdef __cplusplus
}
#endif
#endif
#ifdef BRYNET_USE_OPENSSL
#ifndef CRYPTO_THREADID_set_callback
static void cryptoSetThreadIDCallback(CRYPTO_THREADID *id) {
#ifdef BRYNET_PLATFORM_WINDOWS
CRYPTO_THREADID_set_numeric(id,
static_cast<unsigned long>(GetCurrentThreadId()));
#elif defined BRYNET_PLATFORM_LINUX || defined BRYNET_PLATFORM_DARWIN
CRYPTO_THREADID_set_numeric(id,
static_cast<unsigned long>(pthread_self()));
#endif
}
#endif
#ifndef CRYPTO_set_locking_callback
static std::unordered_map<int, std::shared_ptr<std::mutex> > cryptoLocks;
static void cryptoLockingCallback(int mode,
int type,
const char *file, int line) {
(void)file;
(void)line;
if (mode & CRYPTO_LOCK) {
cryptoLocks[type]->lock();
} else if (mode & CRYPTO_UNLOCK) {
cryptoLocks[type]->unlock();
}
}
#endif
static std::once_flag initCryptoThreadSafeSupportOnceFlag;
static void InitCryptoThreadSafeSupport() {
#ifndef CRYPTO_THREADID_set_callback
CRYPTO_THREADID_set_callback(cryptoSetThreadIDCallback);
#endif
#ifndef CRYPTO_set_locking_callback
for (int i = 0; i < CRYPTO_num_locks(); i++) {
cryptoLocks[i] = std::make_shared<std::mutex>();
}
CRYPTO_set_locking_callback(cryptoLockingCallback);
#endif
}
#endif
class SSLHelper : public NonCopyable,
public std::enable_shared_from_this<SSLHelper> {
public:
using Ptr = std::shared_ptr<SSLHelper>;
#ifdef BRYNET_USE_OPENSSL
bool initSSL(const std::string &certificate,
const std::string &privatekey) {
std::call_once(initCryptoThreadSafeSupportOnceFlag,
InitCryptoThreadSafeSupport);
if (mOpenSSLCTX != nullptr) {
return false;
}
if (certificate.empty() || privatekey.empty()) {
return false;
}
mOpenSSLCTX = SSL_CTX_new(SSLv23_method());
SSL_CTX_set_client_CA_list(mOpenSSLCTX,
SSL_load_client_CA_file(certificate.c_str()));
SSL_CTX_set_verify_depth(mOpenSSLCTX, 10);
if (SSL_CTX_use_certificate_chain_file(mOpenSSLCTX,
certificate.c_str()) <= 0) {
SSL_CTX_free(mOpenSSLCTX);
mOpenSSLCTX = nullptr;
return false;
}
if (SSL_CTX_use_PrivateKey_file(mOpenSSLCTX,
privatekey.c_str(),
SSL_FILETYPE_PEM) <= 0) {
SSL_CTX_free(mOpenSSLCTX);
mOpenSSLCTX = nullptr;
return false;
}
if (!SSL_CTX_check_private_key(mOpenSSLCTX)) {
SSL_CTX_free(mOpenSSLCTX);
mOpenSSLCTX = nullptr;
return false;
}
return true;
}
void destroySSL() {
if (mOpenSSLCTX != nullptr) {
SSL_CTX_free(mOpenSSLCTX);
mOpenSSLCTX = nullptr;
}
}
SSL_CTX *getOpenSSLCTX() {
return mOpenSSLCTX;
}
#endif
static Ptr Create() {
class make_shared_enabler : public SSLHelper {
};
return std::make_shared<make_shared_enabler>();
}
protected:
SSLHelper() BRYNET_NOEXCEPT {
#ifdef BRYNET_USE_OPENSSL
mOpenSSLCTX = nullptr;
#endif
}
virtual ~SSLHelper() BRYNET_NOEXCEPT {
#ifdef BRYNET_USE_OPENSSL
destroySSL();
#endif
}
private:
#ifdef BRYNET_USE_OPENSSL
SSL_CTX *mOpenSSLCTX;
#endif
};